CN214054343U

CN214054343U - Automatic polishing equipment of padlock

Info

Publication number: CN214054343U
Application number: CN202021903879.8U
Authority: CN
Inventors: 张瑞军
Original assignee: Ju Hua Machinery Making Co ltd
Current assignee: Ju Hua Machinery Making Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-08-27
Anticipated expiration: 2030-09-03

Abstract

The utility model discloses an automatic burnishing and polishing equipment of padlock relates to polishing equipment technical field, it includes carousel mechanism, circumference is equipped with the fixture mechanism who is used for the centre gripping and upset padlock in the carousel mechanism, the traffic direction of following carousel mechanism is equipped with the mill flat mechanism who is used for milling flat padlock lock body in proper order, a first abrasive band grinding machanism for polishing padlock lock body positive and negative curved surface, a second abrasive band grinding machanism for polishing padlock lock body side plane, a second grinding machanism for polishing padlock lock body positive and negative curved surface's first polishing machanism and be used for polishing padlock lock body side plane. The utility model mainly solves the problem that the prior padlock body surface treatment production line needs a large amount of equipment and personnel; the automatic polishing equipment of polishing of padlock can accomplish the mill of a plurality of surfaces in the padlock lock body flat, polish and the polishing process automatically, improves the degree of automation of padlock production water line, improves production efficiency, reduction in production cost.

Description

Automatic polishing equipment of padlock

Technical Field

The utility model relates to a polishing equipment technical field specifically is an automatic burnishing and polishing equipment of padlock.

Background

The padlock is widely applied in life, and the padlock body needs to be subjected to surface treatment procedures such as milling, grinding and polishing, so that the surface of the padlock body is smooth, and the padlock body can be put into the market as a commodity.

In current padlock lock body surface treatment production line, at least need to set up and mill the flat station, the station of polishing and the polishing station, and partial padlock lock body surface has positive and negative curved surface and side plane, because curved surface and plane are different in the technological requirement of polishing and polishing, need set up two at least stations of polishing and two at least polishing stations, so that polish and polish the processing to the positive and negative curved surface and the side plane of padlock lock body respectively, consequently, current padlock lock body surface treatment production line need drop into equipment and personnel in large quantity, the production efficiency is lower and manufacturing cost is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic burnishing and polishing equipment of padlock can accomplish the mill of a plurality of surfaces in the padlock lock body flat, polish and the polishing process automatically, improves production efficiency, reduction in production cost.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic burnishing and polishing equipment of padlock, includes carousel mechanism, the last circumference of carousel mechanism is equipped with the fixture mechanism who is used for the centre gripping and upset padlock, follows the traffic direction of carousel mechanism is equipped with in proper order and is used for milling the flat mechanism of milling of padlock lock body, is used for polishing the first abrasive band grinding machanism of the positive and negative curved surface of padlock lock body, is used for polishing the planar second abrasive band grinding machanism of padlock lock body side, is used for polishing the first polishing mechanism of the positive and negative curved surface of padlock lock body and is used for polishing the planar second polishing mechanism of padlock lock body side.

In the technical scheme, the milling mechanism comprises a main shaft assembly, a cutter feeding table assembly, a milling cutter transverse moving sliding table, a milling cutter advancing and retreating sliding table and a milling cutter lifting sliding table; the milling cutter transverse moving sliding table is linked with the milling cutter advancing and retreating sliding table to move along the tangential direction of the rotary table mechanism, the milling cutter advancing and retreating sliding table is linked with the milling cutter lifting sliding table to move along the radial direction of the rotary table mechanism, and the milling cutter lifting sliding table is linked with the cutter feeding table assembly to lift; the front end of the spindle assembly is used for milling a milling cutter of the padlock body, the spindle assembly is arranged on the cutter feeding table assembly, and the cutter feeding table assembly is linked with the spindle assembly for feeding.

In the above technical solution, the first belt sanding mechanism, the second belt sanding mechanism, the first polishing mechanism and the second polishing mechanism are respectively driven by a displacement mechanism to displace; the displacement mechanism comprises an X-axis displacement assembly, a Y-axis displacement assembly and a Z-axis displacement assembly; the X-axis displacement assembly is linked with the Y-axis displacement assembly to displace along the X-axis direction, and the Y-axis displacement assembly is linked with the Z-axis displacement assembly to displace along the Y-axis direction; the first abrasive belt grinding mechanism, the second abrasive belt grinding mechanism, the first polishing mechanism and the second polishing mechanism are correspondingly arranged on a Z-axis displacement component of the displacement mechanism.

In the technical scheme, the first abrasive belt grinding mechanism comprises a first bracket component, a first driving wheel component, a driven wheel component and a first abrasive belt; the first driving wheel assembly and the driven wheel assembly are arranged on the first support assembly, the first driving wheel assembly and the driven wheel assembly tension the first abrasive belt, and the position of the first abrasive belt between the first driving wheel assembly and the driven wheel assembly is a grinding position; two first abrasive belt grinding mechanisms are arranged; the first bracket component is fixed on a moving part of the corresponding Z-axis displacement component, the two first abrasive belt grinding mechanisms are opposite to each other on the Z-axis displacement component, and the Z-axis displacement component is linked with the two first abrasive belt grinding mechanisms to close or separate along the Z-axis direction.

In the above technical scheme, the second belt sanding mechanism comprises a second bracket assembly, a second driving wheel assembly, a fixed driven wheel assembly, a movable driven wheel assembly, a belt pressing assembly and a second belt; the second driving wheel assembly, the fixed driven wheel assembly, the movable driven wheel assembly and the sand pressing belt assembly are all arranged on the second bracket assembly, the second driving wheel assembly, the fixed driven wheel assembly and the movable driven wheel assembly tension the second sand belt, the sand pressing belt assembly presses the second sand belt from the inner side of the tensioned second sand belt, and the part of the second sand belt pressed by the sand pressing belt assembly is a grinding part; two second abrasive belt grinding mechanisms are arranged; the second support assembly is fixed on a moving part of the corresponding Z-axis displacement assembly, the two second abrasive belt grinding mechanisms are opposite to each other on the Z-axis displacement assembly, and the Z-axis displacement assembly is used for linking the two second abrasive belt grinding mechanisms to close or separate along the Z-axis direction.

In the above technical solution, the first polishing mechanism includes a third bracket assembly, a driving shaft assembly, a swing arm assembly, a nylon wheel assembly, and a transmission assembly; the driving shaft assembly is arranged on the third support assembly, the swing arm assembly is pivoted on the third support assembly, the nylon wheel assembly is arranged on the swing arm assembly, and the transmission assembly transmits between the driving shaft assembly and the nylon wheel assembly; two first polishing mechanisms are arranged; the third support assembly is fixed on a corresponding moving part of the Z-axis displacement assembly, the two first polishing mechanisms are opposite to each other on the Z-axis displacement assembly, and the Z-axis displacement assembly drives the two first polishing mechanisms to close or separate along the Z-axis direction.

In the above technical solution, the second polishing mechanism includes a fourth bracket assembly, a second polishing motor, a second nylon wheel and a second nylon wheel shaft; the second polishing motor is fixed on the fourth support assembly, the second nylon wheel shaft is pivoted on the fourth support assembly, the second nylon wheel is sleeved on the second nylon wheel shaft, and the second polishing motor is linked with the second nylon wheel shaft to rotate; two second polishing mechanisms are arranged; the fourth support assembly is fixed on a corresponding moving part of the Z-axis displacement assembly, the two second polishing mechanisms are opposite to each other on the Z-axis displacement assembly, and the Z-axis displacement assembly drives the two second polishing mechanisms to close or separate along the Z-axis direction.

In the technical scheme, the clamp mechanism comprises a clamp base, a clamp motor, a clamp rotating seat, a clamp cylinder, a lower clamping block and an upper clamping block; the clamp base is fixed on a turntable of the turntable mechanism, and the clamp motor is fixed on the clamp base; the lower clamping block is provided with a U-shaped groove matched with a lock hook of a padlock, the clamp cylinder and the lower clamping block are both fixed on the clamp rotating seat, and the clamp cylinder is linked with the upper clamping block to be close to or far away from the lower clamping block; the clamp motor is linked with the clamp rotating seat to rotate.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of automatic burnishing and polishing equipment of padlock follows the traffic direction of carousel mechanism is equipped with in proper order mills flat mechanism, first abrasive band grinding machanism, second abrasive band grinding machanism, first polishing mechanism and second polishing mechanism, can accomplish the mill of a plurality of surfaces in the padlock lock body flat, polish and the polishing process automatically, improves the degree of automation of padlock production water line, improves production efficiency, reduction in production cost.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view of the present invention in another direction.

Fig. 3 is a top view of the present invention.

Fig. 4 is a perspective view of the turntable mechanism and the clamping mechanism of the present invention.

Fig. 5 is an exploded view of the clamp mechanism of the present invention.

Fig. 6 is a perspective view of the milling mechanism of the present invention.

Fig. 7 is a perspective view of the milling mechanism of the present invention in another direction.

Fig. 8 is an exploded view of the milling mechanism of the present invention.

Fig. 9 is a perspective view of the displacement mechanism of the present invention.

Fig. 10 is a perspective view of the displacement mechanism of the present invention in another direction.

Fig. 11 is an exploded view of the displacement mechanism of the present invention.

Fig. 12 is a perspective view of a first belt sander mechanism according to the present invention.

Fig. 13 is a perspective view of the first belt sander mechanism of the present invention in another direction.

Figure 14 is an exploded view of a first belt sanding mechanism according to the present invention.

Fig. 15 is a structural view of a tension adjusting assembly according to the present invention.

Fig. 16 is a front view of the displacement mechanism and the first belt sander mechanism of the present invention.

Fig. 17 is an assembly diagram of the displacement mechanism and the first belt grinding mechanism according to the present invention.

Fig. 18 is a perspective view of a second belt sander mechanism according to the present invention.

Fig. 19 is a perspective view of a second belt sander mechanism of the present invention in another orientation.

Fig. 20 is a perspective view of a movable driven wheel assembly in accordance with the present invention.

Fig. 21 is a perspective view of the belt assembly of the present invention.

Figure 22 is an elevation view of the displacement mechanism and second belt sander mechanism of the present invention.

Fig. 23 is an assembly view of the displacement mechanism and the second belt sander mechanism of the present invention.

Fig. 24 is a perspective view of a first polishing mechanism according to the present invention.

Fig. 25 is a perspective view of the first polishing mechanism of the present invention in another direction.

Fig. 26 is an exploded view of a first polishing mechanism of the present invention.

Fig. 27 is a cross-sectional view of a first polishing mechanism according to the present invention.

Fig. 28 is a front view of the displacement mechanism and the first polishing mechanism of the present invention.

Fig. 29 is a schematic view of the assembly of the displacement mechanism and the first polishing mechanism according to the present invention.

Fig. 30 is a perspective view of a second polishing mechanism according to the present invention.

Fig. 31 is an internal structural view of a second polishing mechanism according to the present invention.

Fig. 32 is a front view of the displacement mechanism and the second polishing mechanism of the present invention.

Fig. 33 is an assembly diagram of the displacement mechanism and the second polishing mechanism according to the present invention.

Fig. 34 is a perspective view of the first belt sander mechanism of the present invention during operation.

Fig. 35 is a partially enlarged view a in fig. 34.

Figure 36 is a perspective view of a second belt sander mechanism according to the present invention in operation.

Fig. 37 is a partially enlarged view B in fig. 36.

Fig. 38 is a perspective view of the first polishing mechanism of the present invention during operation.

Fig. 39 is a partially enlarged view of C in fig. 38.

Fig. 40 is a perspective view of the second polishing mechanism of the present invention during operation.

Fig. 41 is a partially enlarged view D in fig. 40.

The reference signs are: 1. a turntable mechanism; 11. a turntable; 2. a clamp mechanism; 201. a clamp base; 202. a clamp motor; 203. the clamp is rotated; 204. a clamp cylinder; 205. a lower clamping block; 206. a U-shaped groove; 207. an upper clamping block; 3. a milling mechanism; 301. a spindle motor; 302. a main shaft; 303. a nut; 304. milling cutters; 305. a spindle base plate; 306. a main shaft supporting seat; 307. a feed base plate; 308. an angle adjusting section; 309. An arc-shaped slot; 310. a feed cylinder; 311. a feed guide rail; 312. the milling cutter transversely moves the sliding table; 313. advancing and retreating the milling cutter to and from the sliding table; 314. a milling cutter lifting sliding table; 4. a displacement mechanism; 41. an X-axis displacement assembly; 411. an X-axis motor; 412. an X-axis lead screw; 413. an X-axis screw nut; 414. an X-axis guide rail; 415. an X-axis base plate; 42. a Y-axis displacement assembly; 421. a Y-axis motor; 422. a Y-axis lead screw; 423. a Y-axis screw nut; 424. a Y-axis guide rail; 425. a Y-axis base plate; 43. a Z-axis displacement assembly; 431. a Z-axis motor; 432. a Z-axis lead screw; 433. a Z-axis linkage frame; 44. a Z-axis guide rail; 45. a Z-axis support; 46. a partition plate; 47. an organ cover; 5. a first belt sanding mechanism; 51. a first bracket assembly; 511. a main support; 512. an abrasive belt support plate; 52. a first drive wheel assembly; 521. a first belt motor; 522. a driving wheel shaft sleeve; 523. a first belt drive wheel; 53. a tension adjustment assembly; 531. a shaft sleeve sliding plate; 532. a pivot pin; 533. tensioning the slide bar; 534. a first tensioning cylinder; 535. rotating the shaft; 536. an adjustment lever; 537. a spindle plate; 538. clamping arms; 54. a driven wheel assembly; 541. a swing shaft; 542. a swing shaft sleeve; 543. a swing arm; 544. a belt driven wheel; 545. a shaft closing cylinder; 55. a first abrasive belt; 56. a scrap suction cover; 561. a tracheal tube interface; 57. a dust cover; 6. A second belt sanding mechanism; 61. a second bracket assembly; 611. a main supporting plate; 612. a belt motor support; 62. a second drive wheel assembly; 621. A second belt motor; 622. a first drive pulley; 623. a first drive belt; 624. a second belt drive wheel; 625. a driving wheel shaft; 63. a fixed driven wheel assembly; 631. fixing the driven wheel; 632. fixing a driven wheel shaft; 64. a movable driven wheel assembly; 641. a movable driven wheel; 642. the driven wheel is pivoted with the frame; 643. a second tensioning cylinder; 65. pressing the sand belt assembly; 651. a sanding belt pressing cylinder; 652. pressing the movable plate; 653. an elastic member; 654. A contact plate; 66. a second abrasive belt; 67. a sand belt cover; 7. a first polishing mechanism; 71. a third bracket assembly; 711. a support plate; 712. polishing the motor bracket; 713. a driving shaft sleeve; 72. a main drive shaft assembly; 721. a first polishing motor; 722. a second transmission wheel; 723. a second belt; 724. a drive shaft; 725. a drive shaft bearing; 73. a swing arm assembly; 731. swinging arms; 732. a swing arm shaft sleeve; 733. a swing arm bearing; 74. A nylon wheel assembly; 741. a first nylon wheel; 742. a first nylon wheel axle; 743. a nylon wheel axle sleeve; 75. a transmission assembly; 751. a third transmission wheel; 752. a third belt; 76. a swing arm cylinder assembly; 761. a swing arm cylinder; 762. a linkage arm; 763. a spring; 77. a first nylon wheel cover; 78. a first belt guard; 8. a second polishing mechanism; 801. a vertical mounting plate; 802. a horizontal mounting plate; 803. a second polishing motor; 804. A fourth transmission wheel; 805. a fourth belt; 806. a supporting seat; 807. a second nylon wheel; 808. a second nylon wheel axle; 809. a buffer seat; 810. a second nylon wheel cover; 811. a second belt guard; 812. a nylon wheel axle cover; 9. a frame; 10. a padlock is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

An automatic polishing device for a padlock is used for carrying out surface treatment procedures of milling, polishing and polishing on a padlock body; the front and back surfaces of the lock body of the padlock 10 are curved surfaces, and the two side surfaces are planes.

Referring to fig. 1-3, the automatic polishing device for the padlock includes a turntable mechanism 1 disposed on a frame 9, a clamp mechanism 2 for clamping and turning a padlock 10 is disposed on the turntable mechanism 1 in the circumferential direction, a milling mechanism 3 for milling a padlock body, a first abrasive belt polishing mechanism 5 for polishing the front and back curved surfaces of the padlock body, a second abrasive belt polishing mechanism 6 for polishing the side plane of the padlock body, a first polishing mechanism 7 for polishing the front and back curved surfaces of the padlock body, and a second polishing mechanism 8 for polishing the side plane of the padlock body are sequentially disposed along the running direction of the turntable mechanism 1.

The first belt sanding mechanism 5, the second belt sanding mechanism 6, the first polishing mechanism 7 and the second polishing mechanism 8 are respectively driven by a displacement mechanism 4 to displace.

Referring to fig. 4, the turntable mechanism 1 is a turntable mechanism in the prior art, and a servo motor and a divider are disposed inside the turntable mechanism 1; in the divider in the embodiment, the input end is a shaft hole or an input shaft, and the output end is a flat disc surface; a rotating shaft of the servo motor is connected to the input end of the divider, a rotary disc 11 of the rotary disc mechanism 1 is horizontally fixed on the surface of the output end of the divider, and the rotary disc 11 is coaxial with the output end of the divider; the divider in the embodiment is set to six equal parts, namely, when the servo motor of the turntable mechanism 1 rotates for one circle, the output end of the divider rotates for 60 degrees and links the turntable 11 to rotate for 60 degrees; the turntable mechanism 1 is fixed in the center of the frame 9.

Referring to fig. 4 and 5, each of the clamp mechanisms 2 includes a clamp base 201, a clamp motor 202, a clamp rotation base 203, a clamp cylinder 204, a lower clamp block 205, and an upper clamp block 207; the clamp base 201 is a metal base, and is provided with a horizontal plane and a vertical plane, and the vertical plane is provided with a circular hole; the clamp motor 202 is a servo motor or a stepping motor with a speed reducer, an output shaft of the speed reducer is a rotating shaft of the clamp motor 202, a main body of the clamp motor 202 is fixed on a vertical surface of the clamp base 201, and the rotating shaft of the clamp motor 202 penetrates out of a circular hole of the vertical surface; the clamp rotating seat 203 is a metal seat, the main body of the clamp rotating seat is a flat plate, the back of the flat plate is provided with a shaft sleeve of which the outer diameter is slightly smaller than the round hole of the clamp base 201, the shaft sleeve is sleeved on the rotating shaft of the clamp motor 202 and is connected with the rotating shaft key of the clamp motor 202, and the rotating shaft of the clamp motor 202 supports the weight of the clamp rotating seat 203 and drives the clamp rotating seat 203 to rotate; the lower clamping block 205 is a metal block, a U-shaped groove 206 matched with the lock hook of the padlock 10 is formed in the upper surface of the lower clamping block 205, and the lower clamping block 205 is fixed to the lower portion of the front face of the flat plate of the clamp swivel base 203; the cylinder body of the clamp cylinder 204 is fixed on the upper part of the front surface of the flat plate of the clamp swivel base 203, and the piston rod of the clamp cylinder 204 points to the direction of the lower clamping block 205; the upper clamping block 207 is a metal block, the upper clamping block 207 is fixed at the front end of a piston rod of the clamp cylinder 204, and the clamp cylinder 204 is linked with the upper clamping block 207 to move so that the upper clamping block 207 is close to or far away from the lower clamping block 205. The clamp base 201 of the clamp mechanism 2 is fixed on the turntable 11 of the turntable mechanism 1, six clamp mechanisms 2 are arranged, the six clamp mechanisms 2 are uniformly and circumferentially arranged on the turntable 11 of the turntable mechanism 1, and the lower clamping block 205 and the upper clamping block 207 of each clamp mechanism 2 face the outer side of the turntable mechanism 1.

Referring to fig. 6 to 8, the milling mechanism 3 includes a spindle assembly, a cutter feeding table assembly, a lateral sliding table 312 of a milling cutter, a forward and backward sliding table 313 of a milling cutter, and a lifting sliding table 314 of a milling cutter; the milling cutter transverse sliding table 312 is a linear electric sliding table driven by a servo motor, a mounting table is arranged on the rack 9, a bottom plate of the milling cutter transverse sliding table 312 is fixed on the mounting table, and the moving direction of the sliding table of the milling cutter transverse sliding table 312 is the tangential direction of the turntable mechanism 1; the milling cutter advancing and retreating sliding table 313 is a linear manual sliding table with a hand wheel, and a base plate of the milling cutter advancing and retreating sliding table 313 is fixed on a sliding table of the milling cutter transverse moving sliding table 312, so that the milling cutter transverse moving sliding table 312 can drive the milling cutter advancing and retreating sliding table 313 to move along the tangential direction of the turntable mechanism 1, and the moving direction of the sliding table of the milling cutter advancing and retreating sliding table 313 is the radial direction of the turntable mechanism 1; the milling cutter lifting sliding table 314 is a linear manual sliding table with a hand wheel, the milling cutter lifting sliding table 314 is vertically arranged, namely, the sliding table of the milling cutter lifting sliding table 314 moves along the vertical direction, and a base plate of the milling cutter lifting sliding table 314 is fixed on the sliding table of the milling cutter advancing and retreating sliding table 313, so that the milling cutter advancing and retreating sliding table 313 can be linked with the milling cutter lifting sliding table 314 to move along the radial direction of the turntable mechanism 1. The spindle assembly comprises a spindle motor 301, a spindle 302, a nut 303, a milling cutter 304, a spindle base plate 305 and a spindle supporting seat 306; the spindle base plate 305 is a metal flat plate, the spindle motor 301 is fixed on the upper part of the spindle base plate 305, the spindle support base 306 is a support base with a bearing, and the spindle support base 306 is fixed on the lower part of the spindle base plate 305; the spindle 302 is arranged in the spindle support base 306 in a penetrating manner and supported in the spindle support base 306 through a bearing, one end of the spindle 302 is connected with a rotating shaft of the spindle motor 301 through a coupler, and the other end of the spindle 302 is fixed with a milling cutter 304 through a nut 303, that is, the front end of the spindle assembly is the milling cutter 304 for milling the padlock body. The main shaft assembly is arranged on the cutter feeding table assembly, the cutter feeding table assembly is linked with the main shaft assembly for feeding, and specifically, the cutter feeding table assembly comprises a cutter feeding bottom plate 307, a cutter feeding cylinder 310 and a cutter feeding guide rail 311; the feed bottom plate 307 is a metal flat plate, the feed cylinder 310 is fixed on the upper part of the feed bottom plate 307, and a piston rod of the feed cylinder 310 points downwards vertically; two feed guide rails 311 are provided, and the two feed guide rails 311 are both fixed in the middle of the feed bottom plate 307 and are parallel to the piston rod of the feed cylinder 310; the main shaft bottom plate 305 is fixed on a slide block of the feed guide rail 311, and a piston rod of the feed cylinder 310 is connected with the main shaft bottom plate 305 through a push block, so that the feed cylinder 310 can be linked with the main shaft assembly for feeding.

Further, arc-shaped angle adjusting portions 308 are formed on two sides of the feed bottom plate 307 respectively, arc-shaped grooves 309 are formed in the two angle adjusting portions 308 respectively, screws penetrate through the arc-shaped grooves 309 and then are locked into sliding tables of the milling cutter lifting sliding tables 314, the angle of the feed bottom plate 307 can be adjusted by adjusting the matching positions of the arc-shaped grooves 309 and the screws, and then the angle of the milling cutter 304 in the spindle assembly is adjusted.

Referring to fig. 9-11, the displacement mechanism 4 includes an X-axis displacement assembly 41, a Y-axis displacement assembly 42, a Z-axis displacement assembly 43, and a Z-axis support 45. The X-axis displacement assembly 41 comprises an X-axis motor 411, an X-axis lead screw 412, an X-axis lead screw nut 413, an X-axis guide rail 414 and an X-axis bottom plate 415; the X-axis base plate 415 is a metal flat plate and can be fixed on a fixed object such as a rack, a base or a ground platform; the X-axis motor 411 is one of a servo motor or a stepping motor, and a body of the X-axis motor 411 is fixed on a side surface of the X-axis base plate 415; two ends of the X-axis lead screw 412 are respectively supported on the X-axis base plate 415 through a support seat, one end of the X-axis lead screw 412 is connected with a rotating shaft of the X-axis motor 411 through a coupler, and an X-axis lead screw nut 413 is sleeved on the X-axis lead screw 412; the two X-axis guide rails 414 are both linear guide rails, and are sleeved with sliders, and the two X-axis guide rails 414 are both fixed on the X-axis base plate 415, located on both sides of the X-axis lead screw 412, and parallel to the X-axis lead screw 412. The Y-axis displacement assembly 42 comprises a Y-axis motor 421, a Y-axis screw 422, a Y-axis screw nut 423, a Y-axis guide rail 424 and a Y-axis bottom plate 425; the Y-axis bottom plate 425 is a metal flat plate and is fixed on the sliding block of the X-axis guide rail 414, and the bottom of the Y-axis bottom plate 425 is fixed with the X-axis screw nut 413; the Y-axis motor 421 is one of a servo motor or a stepping motor, and the Y-axis motor 421 has a speed reducer, that is, a rotating shaft of the Y-axis motor 421 is connected to an input shaft of the speed reducer, and the Y-axis motor 421 and the speed reducer are fixed on a side surface of the Y-axis bottom plate 425; two ends of a Y-axis screw 422 are supported on a Y-axis bottom plate 425 through supporting seats respectively, the Y-axis screw 422 and an X-axis screw 412 are horizontally arranged and are vertical to each other, one end of the Y-axis screw 422 is connected with a reducer output shaft of a Y-axis motor 421 through a coupler, and a Y-axis screw nut 423 is sleeved on the Y-axis screw 422; the two Y-axis guide rails 424 are linear guide rails, a sliding block is sleeved on the linear guide rails 424, and the two Y-axis guide rails 424 are fixed on the Y-axis base plate 425 and are located on two sides of the Y-axis screw 422 and parallel to the Y-axis screw 422. The Z-axis bracket 45 is a square metal frame, a partition plate 46 is fixedly arranged at the middle part of the Z-axis bracket 45, and the partition plate 46 divides the Z-axis bracket 45 into an upper half part and a lower half part; the Z-axis bracket 45 is vertically disposed and fixed on the slider of the Y-axis guide 424, and the bottom of the Z-axis bracket 45 is fixed with the Y-axis screw nut 423. The displacement mechanism 4 comprises two Z-axis displacement assemblies 43, wherein each Z-axis displacement assembly 43 comprises a Z-axis motor 431, a Z-axis lead rod 432 and a Z-axis linkage frame 433; the Z-axis motor 431 is one of a servo motor or a stepping motor, and the Z-axis motor 431 is provided with a speed reducer, that is, a rotating shaft of the Z-axis motor 431 is connected to an input shaft of the speed reducer; the Z-axis motor 431 of one Z-axis displacement assembly 43 is fixed on the top of the Z-axis bracket 45, and the Z-axis motor 431 of the other Z-axis displacement assembly 43 is fixed on the partition plate 46; a Z-axis lead screw 432 of one Z-axis displacement assembly 43 is supported at the upper half part of the Z-axis bracket 45 through a bearing penetrating the top of the Z-axis bracket 45, the Z-axis lead screw 432 is vertically arranged, and one end of the Z-axis lead screw 432 is connected to the output end of a speed reducer of a Z-axis motor 431 at the top of the Z-axis bracket 45; a Z-axis screw rod 432 of the other Z-axis displacement assembly 43 is supported at the lower half part of the Z-axis bracket 45 through a bearing arranged on the partition plate 46 in a penetrating way, the Z-axis screw rod 432 is also vertically arranged, and one end of the Z-axis screw rod 432 is connected to the output end of a speed reducer of a Z-axis motor 431 on the partition plate 46; two Z-axis lead screws 432 are connected into a straight line; the Z-axis linkage frames 433 are metal frame bodies, each Z-axis linkage frame 433 is internally provided with a screw rod nut which can be matched with the Z-axis screw rods 432, and the screw rod nuts of the Z-axis linkage frames 433 of the two Z-axis displacement assemblies 43 are respectively sleeved on the two Z-axis screw rods 432, so that the Z-axis motor 431 can be lifted through the linkage of the Z-axis screw rods 432 and the Z-axis linkage frames 433; thus, two Z-axis displacement units 43 are formed, one Z-axis displacement unit 43 being provided on the upper half of the Z-axis support 45, the other Z-axis displacement unit 43 being provided on the lower half of the Z-axis support 45, and two Z-axis link supports 433 being moving members of the two Z-axis displacement units 43. The displacement mechanism 4 further includes two Z-axis guide rails 44, the two Z-axis guide rails 44 are linear guide rails, each of the two Z-axis guide rails 44 is provided with a slider, the two Z-axis guide rails 44 are vertically fixed on the Z-axis support 45 and are located on two sides of the Z-axis lead 432 and parallel to the Z-axis lead 432, and the two Z-axis guide rails 44 penetrate through the upper half portion and the lower half portion of the Z-axis support 45, that is, the two Z-axis displacement assemblies 43 formed by the Z-axis motor 431, the Z-axis lead 432 and the Z-axis link frame 433 share the two Z-axis guide rails 44. The X-axis displacement unit 41 moves in the X-axis direction in conjunction with the Y-axis displacement unit 42, and the Y-axis displacement unit 42 moves in the Y-axis direction in conjunction with the Z-axis displacement unit 43. Further, a bellows cover 47 is fixed to the X-axis base plate 415 and the Z-axis support 45, respectively, to protect the X-axis displacement assembly 41 and the Z-axis displacement assembly 43.

Referring to fig. 12-17, first belt sander mechanism 5 includes a first frame assembly 51, a first drive wheel assembly 52, a driven wheel assembly 54, and a first sanding belt 55. The first bracket assembly 51 is a metal assembly including a main bracket 511 and a belt support plate 512; the main stand 511 is composed of a horizontal plate and a vertical plate, and the belt support plate 512 is fixed on the horizontal plate of the main stand 511 and is perpendicular to the horizontal plate; the first abrasive belt 55 is a strip-shaped abrasive belt for polishing, which has a certain flexibility to be attached to a curved surface; first drive wheel assembly 52 and driven wheel assembly 54 are each disposed on first frame assembly 51, first drive wheel assembly 52 and driven wheel assembly 54 tension first abrasive belt 55, and the location of first abrasive belt 55 between first drive wheel assembly 52 and driven wheel assembly 54 is the sanding location. Specifically, driven wheel assembly 54 includes a swing shaft 541, a swing bushing 542, a swing arm 543, and a belt driven wheel 544; the swing shaft 541 is a metal rotation shaft, and is fixed on the belt supporting plate 512 of the first bracket assembly 51; the swing shaft sleeve 542 is a cylindrical metal sleeve, the swing arm 543 is a metal swing arm, the swing shaft sleeve 542 is fixed at one end of the swing arm 543 by welding or integral molding, and the abrasive belt driven wheel 544 is pivoted at the other end of the swing arm 543; the swinging shaft sleeve 542 is sleeved on the swinging shaft 541, a bearing is arranged between the swinging shaft sleeve 542 and the swinging shaft 541, and the rotating shafts of the abrasive belt driven wheel 544 and the swinging shaft sleeve 542 are parallel to each other; after the assembly is completed, the driven wheel assembly 54 can rotate around the swinging shaft 541, namely, the swinging of the driven wheel assembly 54 is realized; after assembly, first drive wheel assembly 52 and belt driven wheel 544 tension first belt 55. Further, driven wheel assembly 54 also includes a clutch cylinder 545; the shaft closing cylinder 545 is fixed on the first frame assembly 51, a piston rod of the shaft closing cylinder 545 points to the swing arm 543, and a piston rod of the shaft closing cylinder 545 is hinged at one end of the swing arm 543 close to the belt driven wheel 544, for example, a hinge seat is arranged on the top surface of the swing arm 543, the piston rods of the swing arm 543 and the shaft closing cylinder 545 are connected by a pin penetrating through the hinge seat and the piston rod of the shaft closing cylinder 545, so that the hinge between the piston rod of the shaft closing cylinder 545 and the swing arm 543 is realized, and the shaft closing cylinder 545 can link the driven wheel assembly 54 to swing. When the piston rod of the closing cylinder 545 extends, the linkage swinging arm 543 swings outwards; when the piston rod of the closing cylinder 545 is retracted, the interlocking swing arm 543 swings inward. First drive wheel assembly 52 comprises first belt motor 521, drive wheel sleeve 522, and first belt drive wheel 523; the first belt motor 521 is a spindle motor 301, one end of a driving wheel sleeve 522 is a fixed disk which can be fixed on the first belt motor 521, the other end of the driving wheel sleeve is a sleeve part, and one end of a first belt driving wheel 523 is provided with a rotating shaft which can penetrate through the driving wheel sleeve 522; drive axle sleeve 522 is fixed to first belt motor 521, belt support plate 512 of first frame assembly 51 is provided with a through hole for drive axle sleeve 522 to pass through, and a sleeve portion of drive axle sleeve 522 passes through the through hole, so that the front end of the sleeve portion and belt driven wheel 544 are both located on the same side of belt support plate 512; a rotating shaft of the first belt driving wheel 523 penetrates through the driving wheel shaft sleeve 522 and then is connected with a rotating shaft of the first belt motor 521, so that the first belt motor 521 can drive the first belt driving wheel 523 to rotate, and a bearing is arranged between the rotating shaft of the first belt driving wheel 523 and the driving wheel shaft sleeve 522; after assembly, first belt drive wheel 523 and driven wheel assembly 54 tension first belt 55. In each first belt sanding mechanism 5, first belt 55 is supported and tensioned by first belt drive wheel 523 and belt driven wheel 544, first belt drive wheel 523 driving the first belt in motion when rotating, and belt driven wheel 544 rotating with first belt 55. Further, first belt sander mechanism 5 further includes a tension adjustment assembly 53 for adjusting the tension and angle of first belt drive wheel 523. The tensioning adjustment assembly 53 comprises a sleeve slide 531, a tensioning slide 533 and a first tensioning cylinder 534; the tensioning slide bars 533 are slide bars with holding ribs, two tensioning slide bars 533 are arranged, and the two tensioning slide bars 533 are horizontally fixed on the abrasive belt support plate 512 of the first bracket component 51; the main body of the shaft sleeve sliding plate 531 is a vertically arranged metal plate, two wing plates which are parallel to each other are horizontally arranged on the shaft sleeve sliding plate 531, a through hole for a sleeve part of the driving wheel shaft sleeve 522 to pass through is further formed in the shaft sleeve sliding plate 531, and the driving wheel shaft sleeve 522 is pivoted on the wing plates of the shaft sleeve sliding plate 531 through a pivoting pin 532 after passing through the through hole; the shaft sleeve sliding plate 531 is clamped between the two tensioning sliding strips 533, and the clamping ribs of the tensioning sliding strips 533 clamp the upper side and the lower side of the shaft sleeve sliding plate 531, so that the shaft sleeve sliding plate 531 can slide on the tensioning sliding strips 533; first tensioning cylinder 534 is fixed at one end of abrasive belt support plate 512, and the piston rod of first tensioning cylinder 534 is fixedly connected with bushing sliding plate 531, so that first tensioning cylinder 534 can link bushing sliding plate 531 to slide on tensioning slide 533. When the piston rod of the first tensioning cylinder 534 retracts, the sleeve sliding plate 531 and the driving wheel sleeve 522 are pulled to pull up the first abrasive belt driving wheel 523, so that the tensioning force of the first abrasive belt driving wheel 523 on the first abrasive belt 55 is improved; when the piston rod of first tensioning cylinder 534 extends, sleeve slide 531 and drive pulley sleeve 522 are pushed out, pushing out first belt drive wheel 523, thereby reducing the tension of first belt drive wheel 523 on first belt 55. The tension adjustment assembly 53 further includes a swivel 535, an adjustment lever 536, and a swivel plate 537; a rotating shaft plate 537 spans and is fixed on the two wing plates of the shaft sleeve sliding plate 531, and a rotating shaft 535 penetrates through the rotating shaft plate 537 and is in threaded fit with the rotating shaft plate 537; the adjusting lever 536 is a crank connecting rod, the middle part of the adjusting lever 536 is a pivot shaft, and the pivot shaft of the adjusting lever 536 spans and is pivoted on the two wing plates of the shaft sleeve sliding plate 531; the two ends of the adjusting lever 536 are respectively pivoted with the rotary shaft 535 and the driving hub 522; the driving axle sleeve 522 is provided with a clamping arm 538 matched with one end of the adjusting lever 536, and the clamping arm 538 clamps one end of the adjusting lever 536 to realize the pivoting of the adjusting lever 536 and the driving axle sleeve 522; one end of the rotating shaft 535 is a handle, and the other end is a clamping wheel, and one end of the adjusting lever 536 is clamped through the clamping wheel, so that the adjusting lever 536 and the rotating shaft 535 are pivoted. When the handle of rotary shaft 535 is rotated, the clamping wheel of rotary shaft 535 moves towards the inner side or the outer side of rotary shaft plate 537, so that adjusting lever 536 is pulled to pivot at one end of rotary shaft 535 and lever 536 is pried to move the other end of adjusting lever 536 pivoted at driving wheel hub 522, thereby adjusting the angle of driving wheel hub 522 relative to hub sliding plate 531 and further adjusting the angle of first belt driving wheel 523. Furthermore, abrasive belt support plate 512 front side is fixed with the bits cover 56 that inhales that partly surrounds first abrasive belt 55, inhales to be equipped with on bits cover 56 with inhale the inside trachea interface 561 of intercommunication of bits cover 56, inserts dust collecting equipment's trachea into trachea interface 561, and dust collecting equipment moves the back, makes to inhale the inside negative pressure that produces of bits cover 56, and the piece that the in-process of polishing produced is inhaled dust collecting equipment through trachea interface 561 and trachea, avoids the piece that the in-process of polishing produced to splash. Further, a dust cover 57 is secured to the rear side of belt support plate 512, semi-surrounding tension adjustment assembly 53, to prevent dust and debris from entering tension adjustment assembly 53. The first bracket assembly 51 of the first belt sanding mechanisms 5 is fixed on the Z-axis linkage frame 433, specifically, the main bracket 511 in each first belt sanding mechanism 5 is fixed on one Z-axis linkage frame 433 through a bolt, and the main bracket 511 is also fixed with the slide block of the Z-axis guide rail 44, so that the two Z-axis displacement assemblies 43 respectively link the two first belt sanding mechanisms 5 to move along the Z-axis direction; the two first abrasive belt grinding mechanisms 5 are opposite to each other on the Z-axis displacement component 43, so that grinding positions in the first abrasive belts 55 of the two first abrasive belt grinding mechanisms 5 are opposite to each other, and the Z-axis displacement component 43 links the two first abrasive belt grinding mechanisms 5 to be closed or separated along the Z-axis direction, so that the first abrasive belts 55 of the two first abrasive belt grinding mechanisms 5 can be close to or far away from a workpiece to be ground from the upper surface and the lower surface respectively. The X-axis base plate 415 of the displacement mechanism 4 for driving the first belt sanding mechanism 5 to move is fixed on the frame 9, so that the displacement mechanism 4 and the first belt sanding mechanism 5 are located beside the turntable mechanism 1. Lower clamp block 205 and upper clamp block 207 of clamp mechanism 2 face the area between the two first belt sanding mechanisms 5, and after clamp mechanism 2 clamps padlock 10, the padlock body extends to the area between the two first belt sanding mechanisms 5, between the two first belts 55 of the two first belt sanding mechanisms 5 that are opposite to each other.

Referring to fig. 18-23, the second belt sanding mechanism 6 includes a second frame assembly 61, a second driving wheel assembly 62, a fixed driven wheel assembly 63, a movable driven wheel assembly 64, a belt pressing assembly 65, and a second belt 66. The second bracket assembly 61 is a metal assembly, and comprises a main support plate 611 and a belt motor bracket 612, and the belt motor bracket 612 is fixed on the rear side of the main support plate 611; second abrasive belt 66 is a strip-shaped abrasive belt for polishing, which has a certain flexibility; the second driving wheel assembly 62, the fixed driven wheel assembly 63, the movable driven wheel assembly 64 and the abrasive belt pressing assembly 65 are all arranged on the second bracket component 61, the second driving wheel assembly 62, the fixed driven wheel assembly 63 and the movable driven wheel assembly 64 tension the second abrasive belt 66, the abrasive belt pressing assembly 65 presses the second abrasive belt 66 from the inner side of the tensioned second abrasive belt 66, and the part of the second abrasive belt 66 pressed by the abrasive belt pressing assembly 65 is a grinding part. Specifically, second drive wheel assembly 62 includes a second belt motor 621, a first drive wheel 622, a first drive belt 623, a second belt drive wheel 624, and a drive wheel axle 625; a second belt motor 621 is fixed on the belt motor support 612 of the second support assembly 61, and a first driving wheel 622 is sleeved on a rotating shaft of the second belt motor 621; the driving wheel shaft 625 is pivoted on the second bracket assembly 61, specifically, a bearing is arranged on the main supporting plate 611 of the second bracket assembly 61 in a penetrating manner, and the driving wheel shaft 625 penetrates through the bearing; one end of the driving wheel shaft 625 is sleeved with a first driving wheel 622, the second belt driving wheel 624 is sleeved at the other end of the driving wheel shaft 625, and the first driving belt 623 drives the two first driving wheels 622, so that the second belt motor 621 can drive the second belt driving wheel 624 to rotate; in this embodiment, the first driving belt 623 is a driving belt, and correspondingly, the first driving wheel 622 is a belt pulley; in other embodiments, the first drive belt 623 is a synchronous belt and, correspondingly, the first drive wheel 622 is a synchronous wheel. Specifically, fixed driven wheel assembly 63 includes a fixed driven wheel 631 and a fixed driven wheel axle 632; the fixed driven wheel 631 is pivotally connected to the second support assembly 61 through a fixed driven wheel shaft 632, specifically, the fixed driven wheel shaft 632 is fixed to the main support plate 611 of the second support assembly 61, the fixed driven wheel 631 is sleeved on the fixed driven wheel shaft 632, and a bearing is disposed between the fixed driven wheel 631 and the fixed driven wheel shaft 632. Specifically, the movable driven wheel assembly 64 includes a movable driven wheel 641, a driven wheel pivot frame 642 and a second tensioning cylinder 643; the cylinder body of the second tensioning cylinder 643 is fixed on the main supporting plate 611 of the second bracket component 61; the movable driven wheel 641 is pivoted on the driven wheel pivoting frame 642, specifically, the driven wheel pivoting frame 642 is a metal frame body, a pivoting shaft for pivoting the movable driven wheel 641 is arranged on the driven wheel pivoting frame 642, the movable driven wheel 641 is sleeved on the pivoting shaft, and a bearing is arranged between the movable driven wheel 641 and the pivoting shaft of the driven wheel pivoting frame 642; the driven wheel pivot frame 642 is fixed to the front end of the piston rod of the second tensioning cylinder 643, so that the second tensioning cylinder 643 can be linked with the movable driven wheel 641 to move up and down through the driven wheel pivot frame 642. After the assembly is completed, the second belt driving wheel 624, the fixed driven wheel assembly 63 and the movable driven wheel assembly 64 are all located on the same surface of the main support plate 611, and the second driving wheel assembly 62, the fixed driven wheel assembly 63 and the movable driven wheel assembly 64 tension the second belt 66 into a triangle, that is, the second belt driving wheel 624, the fixed driven wheel 631 and the movable driven wheel 641 are three vertexes, and the second belt 66 is tensioned into a triangle. When the piston rod of the second tensioning cylinder 643 extends, the movable driven wheel 641 is jacked up, so that the tensioning force of the movable driven wheel 641 on the second abrasive belt 66 is improved; when the piston rod of second tensioning cylinder 643 retracts, movable driven wheel 641 is retracted, thereby reducing the tension of movable driven wheel 641 on second abrasive belt 66. The belt pressing assembly 65 includes a belt pressing cylinder 651, a pressing plate 652, an elastic member 653, and a contact plate 654; the cylinder body of the abrasive belt pressing cylinder 651 is fixed on the main supporting plate 611 of the second bracket assembly 61; the pressing plate 652 is a metal flat plate and is fixed on a piston rod of the sanding belt cylinder 651, the contact plate 654 is a metal plate with a flat surface, the elastic member 653 is a plastic member with elasticity, such as rubber and silica gel, the contact plate 654 is connected with the pressing plate 652 through the elastic member 653, that is, one end of the elastic member 653 is connected with the contact plate 654, and the other end is connected with the pressing plate 652; after the screw penetrates through the pressing plate 652, the screw is screwed into the elastic piece 653 to realize the connection between the elastic piece 653 and the pressing plate 652; similarly, after the screw passes through the contact plate 654, the screw is screwed into the elastic element 653 to realize the connection between the elastic element 653 and the contact plate 654; the contact plate 654 is connected with the four corners of the pressing plate 652 by an elastic element 653; after assembly, the entire belt assembly 65 is positioned inside the open triangle of second belt 66, contact plate 654 is aligned with second belt 66 from the inside of second belt 66, and the point at which contact plate 654 is aligned is located between second belt drive wheel 624 and stationary driven wheel 631. After the piston rod of the sanding belt pressing cylinder 651 extends out, the contact plate 654 can contact and press the second sanding belt 66, the part of the second sanding belt 66 pressed by the contact plate 654 is the grinding part, when the grinding part is in contact with the workpiece to be machined, the contact plate 654 can press the grinding part of the second sanding belt 66 on the plane of the workpiece to be machined, thereby realizing the plane grinding process; the elastic member 653 can relieve the pressing belt cylinder 651 from the force applied to the contact plate 654 to protect the workpiece to be processed and the pressing belt cylinder 651. Furthermore, second belt sanding mechanism 6 further includes belt cover 67 that semi-encloses second belt 66, belt cover 67 is a metal cover, belt cover 67 is fixed on main support plate 611 of second bracket assembly 61, and the cover of belt cover 67 encloses the rest of second belt 66 except the sanding area. The second bracket component 61 of the second belt sanding mechanism 6 is fixed on the Z-axis linkage frame 433, specifically, the main support plate 611 in each second belt sanding mechanism 6 is fixed on one Z-axis linkage frame 433 through a bolt, and the main support plate 611 is also fixed with the slide block of the Z-axis guide rail 44, so that the two Z-axis displacement components 43 respectively link the two second belt sanding mechanisms 6 to move along the Z-axis direction; the two second belt sanding mechanisms 6 are opposite to each other on the Z-axis displacement assembly 43, so that the sanding positions in the second belts 66 of the two second belt sanding mechanisms 6 are opposite to each other, and the Z-axis displacement assembly 43 links the two second belt sanding mechanisms 6 to close or separate along the Z-axis direction, so that the sanding positions in the second belts 66 of the two second belt sanding mechanisms 6 can be close to or far away from a workpiece to be sanded from the upper surface and the lower surface respectively. The X-axis base plate 415 of the displacement mechanism 4 for driving the second belt sanding mechanism 6 to move is fixed on the frame 9, so that the displacement mechanism 4 and the second belt sanding mechanism 6 are located beside the turntable mechanism 1. Lower clamp block 205 and upper clamp block 207 of clamp mechanism 2 face the area between the two second belt sanding mechanisms 6, and after clamp mechanism 2 clamps padlock 10, the padlock body extends to the area between the two second belt sanding mechanisms 6, between the two second belts 66 of the two second belt sanding mechanisms 6 that are opposite to each other.

Referring to fig. 24-29, the first polishing mechanism 7 includes a third bracket assembly 71, a main shaft assembly 72, a swing arm assembly 73, a nylon wheel assembly 74, and a transmission assembly 75. The third bracket assembly 71 is a metal assembly, and includes a support plate 711 and a polishing motor bracket 712, wherein the polishing motor bracket 712 is fixed at the rear side of the support plate 711; the driving shaft assembly 72 is arranged on the third bracket assembly 71, the swing arm assembly 73 is pivoted on the third bracket assembly 71, the nylon wheel assembly 74 is arranged on the swing arm assembly 73, and the transmission assembly 75 transmits between the driving shaft assembly 72 and the nylon wheel assembly 74. Specifically, the driving shaft assembly 72 includes a first polishing motor 721, a second driving wheel 722, a second driving belt 723, a driving shaft 724, and a driving shaft bearing 725. The third bracket assembly 71 is provided with an active shaft sleeve 713, the active shaft sleeve 713 is a cylindrical shaft sleeve, the support plate 711 is provided with a through hole matched with the inner wall of the active shaft sleeve 713, and the active shaft sleeve 713 is fixed on the support plate 711 and aligned with the through hole on the support plate 711; the driving shaft 724 is arranged in the driving shaft sleeve 713 in a penetrating mode, and two driving shaft bearings 725 are arranged and are located between the driving shaft 724 and the driving shaft sleeve 713, so that the driving shaft 724 is supported in the driving shaft sleeve 713, and the driving shaft 724 can rotate in the driving shaft sleeve 713; one end of the driving shaft 724 penetrates through the driving shaft sleeve 713 from the front side, and the other end penetrates through the supporting plate 711 from the rear side; the first polishing motor 721 is fixed on the polishing motor support 712 of the third support assembly 71, a second driving wheel 722 is respectively sleeved on the rear end of the driving shaft 724 and the rotating shaft of the first polishing motor 721, the two second driving wheels 722 are respectively in key connection with the driving shaft 724 and the rotating shaft of the first polishing motor 721, and a second driving belt 723 is driven between the two second driving wheels 722, so that the driving shaft 724 can be driven to rotate by the first polishing motor 721 through the second driving wheels 722 and the second driving belt 723. In this embodiment, the second transmission belt 723 is a transmission belt, and correspondingly, the second transmission wheel 722 is a belt pulley; in other embodiments, the second drive belt 723 is a synchronous belt and correspondingly, the second drive pulley 722 is a synchronous wheel. Specifically, the swing arm assembly 73 includes a swing arm 731, a swing arm bushing 732, and a swing arm bearing 733. The swing arm shaft sleeve 732 is sleeved on the driving shaft sleeve 713, so that the swing arm shaft sleeve 732 is coaxial with the driving shaft 724, and the swing arm bearing 733 is arranged between the swing arm shaft sleeve 732 and the driving shaft sleeve 713; one end of the swing arm 731 is connected to a swing arm bushing 732, and in this embodiment, the swing arm bushing 732 is inserted into one end of the swing arm 731 and fixed to the swing arm 731 by screws; after the assembly is completed, the swing arm 731 can rotate around the axis of the swing arm shaft sleeve 732, that is, the swing arm 731 can swing on the third bracket assembly 71; the nylon wheel assembly 74 is arranged on the swing arm 731, so that the nylon wheel assembly 74 can swing along with the swing arm 731. Specifically, the nylon wheel assembly 74 includes a first nylon wheel 741, a first nylon wheel shaft 742, and a nylon wheel hub 743; the nylon wheel shaft sleeve 743 is arranged in the swing arm 731 in a penetrating mode and is located at the other end, opposite to the swing arm shaft sleeve 732, of the swing arm 731; the first nylon wheel shaft 742 is arranged in the nylon wheel shaft sleeve 743 in a penetrating mode, and a bearing is arranged between the first nylon wheel shaft 742 and the nylon wheel shaft sleeve 743, so that the first nylon wheel shaft 742 can rotate in the nylon wheel shaft sleeve 743; the first nylon wheel 741 is a nylon wheel for metal polishing, the first nylon wheel 741 is sleeved at one end of the first nylon wheel shaft 742 and is in key connection with the first nylon wheel shaft 742, so that the first nylon wheel 741 is located at the outermost side of the first polishing mechanism 7, and the first nylon wheel 741 and the first nylon wheel shaft 742 can rotate together; the transmission assembly 75 transmits between the driving shaft 724 and the first nylon wheel shaft 742, so that the first polishing motor 721 can drive the first nylon wheel 741 to rotate. In particular, the transmission assembly 75 comprises a third transmission wheel 751 and a third transmission belt 752; a third driving wheel 751 is respectively sleeved on the driving shaft 724 and the first nylon wheel shaft 742, the two third driving wheels 751 are respectively in key joint with the driving shaft 724 and the first nylon wheel shaft 742, and a third driving belt 752 is driven between the two third driving wheels 751; in this embodiment, the third belt 752 is a synchronous belt, and correspondingly, the third driving wheel 751 is a synchronous wheel; in other embodiments, the third drive belt 752 is a drive belt and correspondingly, the third drive wheel 751 is a pulley. Further, the first polishing mechanism 7 further includes a swing arm cylinder assembly 76 for linking the swing arm assembly 73 to swing so as to adjust the pressure of the first nylon wheel 741 on the workpiece to be processed. Specifically, the swing arm cylinder assembly 76 includes a swing arm cylinder 761, a linkage arm 762, and a spring 763; the cylinder body of the swing arm cylinder 761 is fixed on the support plate 711 of the third bracket assembly 71; the linkage arm 762 is a metal arm, and comprises a rectangular horizontal part and a cylindrical vertical part, the horizontal part of the linkage arm 762 is fixed at the front end of a piston rod of the swing arm cylinder 761, and the end part of the vertical part is hinged on the swing arm 731, for example, a hinged seat is arranged on the top surface of the swing arm 731, and the swing arm 731 and the linkage arm 762 are connected through a bolt penetrating through the hinged seat and the vertical part of the linkage arm 762, so that the vertical part is hinged with the swing arm 731; the swing arm cylinder 761 can swing through the linkage arm 762 to link the swing arm assembly 73, that is, when a piston rod of the swing arm cylinder 761 extends, the linkage arm 762 to link the swing arm 731 to swing to the outer side of the third bracket assembly 71, so as to increase the pressure of the first nylon wheel 741 on the workpiece to be processed, and when the piston rod of the swing arm cylinder 761 retracts, the linkage arm 762 to link the swing arm 731 to swing to the inner side of the third bracket assembly 71, so as to reduce the pressure of the first nylon wheel 741 on the workpiece to be processed; the spring 763 is sleeved on the vertical portion of the linkage arm 762 to buffer the impact on the swing arm assembly 73 and the nylon wheel assembly 74 when the swing arm cylinder 761 operates, and also buffer the impact on the swing arm cylinder 761 when the first nylon wheel 741 contacts with a workpiece to be processed. Further, the swing arm 731 is provided with a first belt cover 78 surrounding the transmission assembly 75, and the first belt cover 78 is fixed on the swing arm 731 and covers the entire transmission assembly 75. Further, a first nylon wheel cover 77 which semi-surrounds the first nylon wheel 741 is arranged on the swing arm 731, and the first nylon wheel cover 77 is fixed on the first driving belt cover 78 and surrounds the first nylon wheel 741 for half circle; the part of the first nylon wheel 741 not surrounded by the first nylon wheel cover 77 is a polishing part contacting with the workpiece to be processed. The third bracket assembly 71 of the first polishing mechanism 7 is fixed on the Z-axis linkage frame 433, specifically, the support plate 711 in each first polishing mechanism 7 is fixed on one Z-axis linkage frame 433 through a bolt, and the support plate 711 is also fixed with the slider of the Z-axis guide rail 44, so that the two Z-axis displacement assemblies 43 respectively link the two first polishing mechanisms 7 to move along the Z-axis direction; the two first polishing mechanisms 7 are opposite to each other on the Z-axis displacement assembly 43, so that the polishing portions of the first nylon wheels 741 of the two first polishing mechanisms 7 are opposite to each other, and the Z-axis displacement assembly 43 links the two first polishing mechanisms 7 to close or separate along the Z-axis direction, so that the polishing portions of the first nylon wheels 741 of the two first polishing mechanisms 7 can respectively approach or separate from the workpiece to be processed from the upper surface and the lower surface. The X-axis base plate 415 of the displacement mechanism 4 for driving the first polishing mechanism 7 to move is fixed to the frame 9, and the displacement mechanism 4 and the first polishing mechanism 7 are located near the turntable mechanism 1. The lower clamping block 205 and the upper clamping block 207 of the clamping mechanism 2 face the area between the two first polishing mechanisms 7, and after the clamping mechanism 2 clamps the padlock 10, the padlock body extends to the area between the two first polishing mechanisms 7 and is positioned between the two first nylon wheels 741 of the two first polishing mechanisms 7 which are opposite to each other.

Referring to fig. 30-33, the second polishing mechanism 8 includes a fourth bracket assembly, a second polishing motor 803, a second nylon wheel 807, a second nylon wheel shaft 808, a fourth driving wheel 804 and a fourth driving belt 805; the second polishing motor 803 is fixed on the fourth bracket component, the second nylon wheel shaft 808 is pivoted on the fourth bracket component, the second nylon wheel 807 is sleeved on the second nylon wheel shaft 808, and the second polishing motor 803 is linked with the second nylon wheel shaft 808 to rotate. Specifically, the fourth bracket assembly comprises a vertical mounting plate 801 and a horizontal mounting plate 802 which are vertically arranged, and the vertical mounting plate 801 and the horizontal mounting plate 802 are fixed with each other; the second polishing motor 803 is fixed on the vertical mounting plate 801 of the fourth bracket assembly, the bottom surface of the horizontal mounting plate 802 is provided with two supporting seats 806 with bearings, and a second nylon wheel shaft 808 respectively penetrates through the bearings in the two supporting seats 806; the second nylon wheel 807 is sleeved at one end of the second nylon wheel shaft 808 and is positioned at the outer side of the fourth bracket component; a fourth driving wheel 804 is respectively sleeved on the other end of the second nylon wheel shaft 808 and the rotating shaft of the second polishing motor 803, and a fourth driving belt 805 is driven between the two fourth driving wheels 804, so that the second polishing motor 803 can be linked with the second nylon wheel shaft 808 to rotate, and further linked with the second nylon wheel 807 to rotate. Further, the second polishing mechanism 8 further includes a buffer base 809; the buffer seat 809 is a spring buffer seat in the prior art, the second polishing motor 803 is fixed on the fourth bracket component through the buffer seat 809, that is, the buffer seat 809 is fixed on the vertical mounting plate 801, and the second polishing motor 803 is fixed on the buffer seat 809; a buffer base 809 is provided in order to protect the second polishing motor 803. Further, the second polishing mechanism 8 further includes a second nylon wheel cover 810 fixed on the horizontal mounting plate 802 and semi-surrounding the second nylon wheel 807, and a portion of the second nylon wheel 807 not surrounded by the second nylon wheel cover 810 is a polishing portion contacting with the workpiece to be processed. Further, the second polishing mechanism 8 further includes a nylon wheel shaft cover 812 fixed below the cross mounting plate 802 and covering the support base 806 and the second nylon wheel shaft 808. Further, the second polishing mechanism 8 further includes a second belt cover 811 fixed to the second polishing motor 803 and covering the fourth driving pulley 804 and the fourth driving belt 805. The fourth bracket assembly of the second polishing mechanism 8 is fixed on the Z-axis linkage frame 433, specifically, the vertical mounting plate 801 in each second polishing mechanism 8 is fixed on one Z-axis linkage frame 433 through a bolt, and the vertical mounting plate 801 is also fixed with the slider of the Z-axis guide rail 44, so that the two Z-axis displacement assemblies 43 respectively link the two second polishing mechanisms 8 to move along the Z-axis direction; the two second polishing mechanisms 8 are opposite to each other on the Z-axis displacement assembly 43, so that the polishing portions in the second nylon wheels 807 of the two second polishing mechanisms 8 are opposite to each other, and the Z-axis displacement assembly 43 links the two second polishing mechanisms 8 to close or separate along the Z-axis direction, so that the polishing portions in the second nylon wheels 807 of the two second polishing mechanisms 8 can respectively approach or separate from the upper surface and the lower surface of a workpiece to be processed. The X-axis base plate 415 of the displacement mechanism 4 for driving the second polishing mechanism 8 to move is fixed to the frame 9, and the displacement mechanism 4 and the second polishing mechanism 8 are located near the turntable mechanism 1. The lower clamping block 205 and the upper clamping block 207 of the clamping mechanism 2 face the area between the two second polishing mechanisms 8, and after the clamping mechanism 2 clamps the padlock 10, the padlock body extends to the area between the two second polishing mechanisms 8 and is located between two second nylon wheels 807 of the two second polishing mechanisms 8 opposite to each other.

When the automatic polishing equipment for the padlock operates, the operation is carried out according to the following steps:

s1, a loading and unloading stage: a piston rod of a clamp cylinder 204 of a clamp mechanism 2 in front of the milling mechanism 3 retracts to open the upper clamping block 207, a worker, an external mechanism or a robot takes off the polished padlock 10, a shackle of the padlock 10 to be processed is placed in a U-shaped groove 206 of the lower clamping block 205, and the piston rod of the clamp cylinder 204 extends out to fold the upper clamping block 207 and the lower clamping block 205 to clamp the shackle of the padlock 10.

S2, milling: the turntable 11 of the turntable mechanism 1 rotates 60 degrees, so that the clamp mechanism 2 is aligned with the milling mechanism 3, the padlock 10 to be processed is positioned below the milling cutter 304, the spindle motor 301 runs in advance, the piston rod of the feed cylinder 310 extends out to drive the spindle assembly to feed, the milling cutter 304 rotating at high speed is contacted with the curved surface on the front surface of the padlock 10 to mill the arched surface of the front part of the padlock 10 flat, then the piston rod of the feed cylinder 310 retracts to drive the spindle assembly to withdraw.

S3, grinding the upper and lower curved surfaces: referring to fig. 34-35, the turntable 11 of the turntable mechanism 1 is rotated 60 ° to align the clamp mechanism 2 with the first belt sanding mechanisms 5, and the padlock 10 to be processed reaches the area between the two first belt sanding mechanisms 5; first belt motors 521 of two first belt sanding mechanisms 5 are started in advance, so that first belt drive wheels 523 rotate to drive first belt 55 to run; the Z-axis motor 431 operates to drive the two first belt sanding mechanisms 5 to fold up and down, the first belts 55 of the two first belt sanding mechanisms 5 contact the padlock body, and the flexible first belts 55 will adhere to the two curved surfaces above and below the padlock body, thereby sanding the two curved surfaces of the padlock body. After the sanding process is completed, the Z-axis motor 431 is operated again to drive the two first belt sanding mechanisms 5 to separate up and down.

S4, side plane grinding: referring to fig. 36-37, the turntable 11 of the turntable mechanism 1 is rotated 60 ° to align the clamp mechanism 2 with the second belt sanding mechanisms 6, and the padlock 10 to be processed reaches the area between the two second belt sanding mechanisms 6; the rotating shaft of the clamp motor 202 rotates by 90 degrees, so that the clamp rotating seat 203, the clamp air cylinder 204, the lower clamping block 205 and the upper clamping block 207 rotate by 90 degrees, and two side planes of the padlock body rotate to the horizontal direction; second belt motors 621 of two second belt sanding mechanisms 6 have been previously activated to rotate second belt drive wheel 624, thereby driving second belt 66 in motion; the piston rod of the sanding belt pressing cylinder 651 extends out to push out the contact plate 654 and press the second sanding belt 66, the Z-axis motor 431 operates to drive the two second sanding mechanisms 6 to close up and down, the second sanding belts 66 of the two second sanding mechanisms 6 are in contact with the two side planes of the padlock lock body, and the contact plate 654 of the sanding belt pressing assembly 65 can tightly press the second sanding belt 66 on the side planes of the padlock lock body, so that the two side planes of the padlock lock body can be sanded. After the sanding process is completed, the Z-axis motor 431 is operated again to drive the two second belt sanding mechanisms 6 to separate up and down.

S5, polishing the upper and lower curved surfaces: referring to fig. 38-39, the turntable 11 of the turntable mechanism 1 is rotated by 60 ° to align the clamping mechanism 2 with the first polishing mechanisms 7, and the padlock 10 to be processed reaches the area between the two first polishing mechanisms 7; the rotating shaft of the clamp motor 202 rotates by 90 degrees, so that the clamp rotating seat 203, the clamp air cylinder 204, the lower clamping block 205 and the upper clamping block 207 rotate by 90 degrees, and two curved surface planes of the padlock body rotate to the horizontal direction; the first polishing motors 721 of the two first polishing mechanisms 7 are previously started, the first polishing motors 721 drive the first nylon wheels 741 to rotate through the driving shafts 724 and the transmission assemblies 75, the Z-axis motor 431 operates to drive the two first polishing mechanisms 7 to fold up and down, and the first nylon wheels 741 of the two first polishing mechanisms 7 contact with the upper and lower curved surfaces of the padlock body, so that the upper and lower curved surfaces of the padlock body are polished. After the polishing process is completed, the Z-axis motor 431 is operated again to drive the two first polishing mechanisms 7 to be separated up and down.

S6, side plane polishing stage: referring to fig. 40-41, the turntable 11 of the turntable mechanism 1 is rotated by 60 ° to align the fixture mechanism 2 with the second polishing mechanisms 8, and the padlock 10 to be processed reaches the area between the two second polishing mechanisms 8; the rotating shaft of the clamp motor 202 rotates by 90 degrees, so that the clamp rotating seat 203, the clamp air cylinder 204, the lower clamping block 205 and the upper clamping block 207 rotate by 90 degrees, and two side planes of the padlock body rotate to the horizontal direction; the second polishing motors 803 of the two second polishing mechanisms 8 are started in advance, the second polishing motors 803 drive the second nylon wheels 807 to rotate through the fourth transmission wheels 804 and the fourth transmission belt 805, the Z-axis motor 431 operates to drive the two second polishing mechanisms 8 to fold up and down, and the second nylon wheels 807 of the two second polishing mechanisms 8 are in contact with the two side planes of the padlock body, so that the two side planes of the padlock body are polished. After the polishing process is completed, the Z-axis motor 431 is operated again to drive the two second polishing mechanisms 8 to be separated up and down.

S7, resetting: the rotating shaft of the clamp motor 202 rotates by 90 degrees, so that the clamp rotating seat 203, the clamp air cylinder 204, the lower clamping block 205 and the upper clamping block 207 rotate by 90 degrees, and two curved surfaces of the padlock body rotate to the horizontal direction; the turntable 11 of the turntable mechanism 1 rotates by 60 °, the jig mechanism 2 is aligned with the worker, the external mechanism, or the robot, and the process returns to step S1.

And repeating the steps to finish the automatic surface treatment processes of milling, grinding and polishing the padlock body. It can be understood that, since six gripper mechanisms 2 are provided on the turntable mechanism 1, corresponding to six stations, the above steps S1-S7 are performed simultaneously.

This kind of automatic burnishing and polishing equipment of padlock follows the traffic direction of carousel mechanism 1 is equipped with in proper order mills flat mechanism 3, first abrasive band grinding machanism 5, second abrasive band grinding machanism 6, first polishing mechanism 7 and second polishing mechanism 8, can accomplish the mill of a plurality of surfaces in the padlock lock body flat, polish and polish the process automatically, improves the degree of automation of padlock production water line, improves production efficiency, reduction in production cost.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The automatic polishing equipment for the padlock is characterized by comprising a rotary table mechanism, wherein a clamp mechanism used for clamping and overturning the padlock is circumferentially arranged on the rotary table mechanism, a milling mechanism used for milling the padlock body, a first abrasive belt polishing mechanism used for polishing the front and back curved surfaces of the padlock body, a second abrasive belt polishing mechanism used for polishing the lateral plane of the padlock body, a first polishing mechanism used for polishing the front and back curved surfaces of the padlock body and a second polishing mechanism used for polishing the lateral plane of the padlock body are sequentially arranged along the running direction of the rotary table mechanism.

2. The automatic padlock sanding and polishing device according to claim 1, wherein: the milling mechanism comprises a main shaft assembly, a cutter feeding table assembly, a milling cutter transverse sliding table, a milling cutter advancing and retreating sliding table and a milling cutter lifting sliding table;

the milling cutter transverse moving sliding table is linked with the milling cutter advancing and retreating sliding table to move along the tangential direction of the rotary table mechanism, the milling cutter advancing and retreating sliding table is linked with the milling cutter lifting sliding table to move along the radial direction of the rotary table mechanism, and the milling cutter lifting sliding table is linked with the cutter feeding table assembly to lift; the front end of the spindle assembly is used for milling a milling cutter of the padlock body, the spindle assembly is arranged on the cutter feeding table assembly, and the cutter feeding table assembly is linked with the spindle assembly for feeding.

3. The automatic padlock sanding and polishing device according to claim 1, wherein: the first abrasive belt grinding mechanism, the second abrasive belt grinding mechanism, the first polishing mechanism and the second polishing mechanism are respectively driven by a displacement mechanism to displace;

the displacement mechanism comprises an X-axis displacement assembly, a Y-axis displacement assembly and a Z-axis displacement assembly; the X-axis displacement assembly is linked with the Y-axis displacement assembly to displace along the X-axis direction, and the Y-axis displacement assembly is linked with the Z-axis displacement assembly to displace along the Y-axis direction; the first abrasive belt grinding mechanism, the second abrasive belt grinding mechanism, the first polishing mechanism and the second polishing mechanism are correspondingly arranged on a Z-axis displacement component of the displacement mechanism.

4. The automatic padlock sanding and polishing device according to claim 3, wherein: the first abrasive belt grinding mechanism comprises a first bracket component, a first driving wheel component, a driven wheel component and a first abrasive belt; the first driving wheel assembly and the driven wheel assembly are arranged on the first support assembly, the first driving wheel assembly and the driven wheel assembly tension the first abrasive belt, and the position of the first abrasive belt between the first driving wheel assembly and the driven wheel assembly is a grinding position;

two first abrasive belt grinding mechanisms are arranged; the first bracket component is fixed on a moving part of the corresponding Z-axis displacement component, the two first abrasive belt grinding mechanisms are opposite to each other on the Z-axis displacement component, and the Z-axis displacement component is linked with the two first abrasive belt grinding mechanisms to close or separate along the Z-axis direction.

5. The automatic padlock sanding and polishing device according to claim 3, wherein: the second abrasive belt polishing mechanism comprises a second support assembly, a second driving wheel assembly, a fixed driven wheel assembly, a movable driven wheel assembly, an abrasive belt pressing assembly and a second abrasive belt; the second driving wheel assembly, the fixed driven wheel assembly, the movable driven wheel assembly and the sand pressing belt assembly are all arranged on the second bracket assembly, the second driving wheel assembly, the fixed driven wheel assembly and the movable driven wheel assembly tension the second sand belt, the sand pressing belt assembly presses the second sand belt from the inner side of the tensioned second sand belt, and the part of the second sand belt pressed by the sand pressing belt assembly is a grinding part;

two second abrasive belt grinding mechanisms are arranged; the second support assembly is fixed on a moving part of the corresponding Z-axis displacement assembly, the two second abrasive belt grinding mechanisms are opposite to each other on the Z-axis displacement assembly, and the Z-axis displacement assembly is used for linking the two second abrasive belt grinding mechanisms to close or separate along the Z-axis direction.

6. The automatic padlock sanding and polishing device according to claim 3, wherein: the first polishing mechanism comprises a third bracket assembly, a driving shaft assembly, a swing arm assembly, a nylon wheel assembly and a transmission assembly; the driving shaft assembly is arranged on the third support assembly, the swing arm assembly is pivoted on the third support assembly, the nylon wheel assembly is arranged on the swing arm assembly, and the transmission assembly transmits between the driving shaft assembly and the nylon wheel assembly;

two first polishing mechanisms are arranged; the third support assembly is fixed on a corresponding moving part of the Z-axis displacement assembly, the two first polishing mechanisms are opposite to each other on the Z-axis displacement assembly, and the Z-axis displacement assembly drives the two first polishing mechanisms to close or separate along the Z-axis direction.

7. The automatic padlock sanding and polishing device according to claim 3, wherein: the second polishing mechanism comprises a fourth bracket assembly, a second polishing motor, a second nylon wheel and a second nylon wheel shaft; the second polishing motor is fixed on the fourth support assembly, the second nylon wheel shaft is pivoted on the fourth support assembly, the second nylon wheel is sleeved on the second nylon wheel shaft, and the second polishing motor is linked with the second nylon wheel shaft to rotate;

two second polishing mechanisms are arranged; the fourth support assembly is fixed on a corresponding moving part of the Z-axis displacement assembly, the two second polishing mechanisms are opposite to each other on the Z-axis displacement assembly, and the Z-axis displacement assembly drives the two second polishing mechanisms to close or separate along the Z-axis direction.

8. The automatic padlock sanding and polishing device according to claim 1, wherein: the clamp mechanism comprises a clamp base, a clamp motor, a clamp rotating seat, a clamp cylinder, a lower clamping block and an upper clamping block; the clamp base is fixed on a turntable of the turntable mechanism, and the clamp motor is fixed on the clamp base; the lower clamping block is provided with a U-shaped groove matched with a lock hook of a padlock, the clamp cylinder and the lower clamping block are both fixed on the clamp rotating seat, and the clamp cylinder is linked with the upper clamping block to be close to or far away from the lower clamping block; the clamp motor is linked with the clamp rotating seat to rotate.