CN210081462U

CN210081462U - Polishing machine

Info

Publication number: CN210081462U
Application number: CN201920162835.5U
Authority: CN
Inventors: 贺立明; 董鹏鹏
Original assignee: Mai Shidefu Science And Technology Co Ltd Of Shenzhen
Current assignee: Mai Shidefu Science And Technology Co Ltd Of Shenzhen
Priority date: 2019-01-28
Filing date: 2019-01-28
Publication date: 2020-02-18
Anticipated expiration: 2029-01-28

Abstract

The utility model discloses a polishing machine, including the rack, be used for loading the processing platform of machined part, locate on the rack in order to be used for driving the processing platform to remove or pivoted power component, be used for polishing the burnishing device of processing and locating the rack in order to be used for driving the drive assembly that burnishing device removed, burnishing device includes the fixing base that is connected with drive assembly, is used for polishing the piece of polishing of processing and elastic connection in the fixing base and the elastic connection subassembly between the piece of polishing to the machined part. The utility model discloses a design a burnishing machine, with the people and come out from numerous and complicated polishing work, burnishing device includes elastic connection in the elastic connection subassembly between fixing base and the piece of polishing, this elastic connection subassembly can effectively avoid the piece of polishing to carry out the phenomenon that the in-process of polishing appears breaking to the machined part, this burnishing machine is fast, efficient, is suitable for the polishing operation of big batch machined part.

Description

Polishing machine

Technical Field

The utility model relates to a burnishing machine technical field especially relates to a burnishing machine.

Background

With the widespread use of plastic products such as daily chemical products and beverage packaging containers, the surfaces of the cavities of these plastic molds often need to be mirror-polished, and the requirement for polishing performance is extremely high. Polishing not only increases the beauty of the workpiece, but also improves the corrosion resistance and the wear resistance of the surface of the workpiece, and also enables the mold for manufacturing the plastic products to have other advantages, such as easy demolding of the plastic products, reduction of the production injection molding period and the like. Thus, polishing is an important process in the fabrication of plastic molds.

However, at present, manual die-saving polishing is selected for polishing, the manual die-saving polishing consumes time, the repetitive labor intensity is high, the energy consumption is high, and the dust of the die-saving polishing is harmful to human bodies.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a polishing machine, which solves the technical problems that the existing manual die-saving polishing is time-consuming, the repetitive labor intensity is high, the high energy consumption and the low energy consumption are needed, and the dust of the die-saving polishing is harmful to the human body.

The utility model discloses a following technical scheme realizes:

the utility model provides a polishing machine, include the rack, be used for loading the machined part processing platform, locate in order to be used for the drive on the rack processing platform removes or pivoted power component, is used for right the machined part carries out the burnishing device of polishing processing and locates in order to be used for the drive on the rack the drive assembly that burnishing device removed, burnishing device include with the fixing base that drive assembly is connected, be used for right the machined part carries out polishing processing's the piece of polishing and elastic connection in the fixing base with the elastic connection subassembly between the piece of polishing.

Furthermore, the elastic connection assembly comprises a polished rod, a pin and an elastic piece, a limit groove is formed in the fixing base, the elastic piece is installed in the limit groove, one end of the polished rod is connected with the fixing base in a rotating mode through the pin, the other end of the polished rod is connected with the polishing piece, and the middle of the polished rod is located in the limit groove and is elastically connected with the elastic piece.

Furthermore, the elastic part comprises two spring thimbles which are respectively arranged at two ends of the limiting groove, and the two spring thimbles are respectively butted against the polished rod from two opposite sides of the polished rod in opposite directions; and/or the presence of a gas in the atmosphere,

the elastic connecting assembly further comprises an extension rod, the polished rod is connected with the polishing piece through the extension rod, and the extension rod is connected with the polished rod in a sliding or detachable mode; and/or the presence of a gas in the atmosphere,

the fixing seat comprises a moving seat connected with the polishing rod and a limiting frame connected with the driving assembly, a sliding groove is formed in the limiting frame, the moving seat is slidably mounted in the sliding groove, and the limiting groove is formed in the moving seat.

Furthermore, the driving assembly comprises a first driving mechanism connected with the fixed seat and used for driving the fixed seat to move along the vertical direction and a second driving mechanism connected with the first driving mechanism and used for driving the first driving mechanism to move along the horizontal direction, and the second driving mechanism is installed on the machine cabinet.

Further, the power assembly is a combination of a motor and a worm gear transmission; and/or the presence of a gas in the atmosphere,

the first driving mechanism and the second driving mechanism are both a combination of a motor and a ball screw for transmission.

Further, the polishing machine further comprises an oil dispensing system for dispensing oil to the workpiece, and the oil dispensing system is mounted on the machine cabinet.

Furthermore, the oil dispensing system comprises an oil dispensing assembly, a magnetic base connected with the cabinet in a magnetic adsorption manner, and a universal arm rotatably mounted on the magnetic base, wherein the oil dispensing assembly is mounted on the universal arm.

Further, the oil dispensing assembly comprises an electromagnetic valve, an air source, a needle cylinder for dispensing oil to the workpiece, and a vacuum generator driven by the air source to enable a piston in the needle cylinder to run in a reverse direction, wherein the needle cylinder is mounted on the universal arm, the electromagnetic valve is provided with a first interface, a second interface and a third interface, the first interface is connected with the needle cylinder through the vacuum generator, the second interface is connected with the needle cylinder, and the third interface is connected with the air source.

Furthermore, the oil spotting component also comprises a first one-way throttling valve and a second one-way throttling valve, the vacuum generator is connected with the first interface on the electromagnetic valve through the first one-way throttling valve, and the needle cylinder is connected with the second interface on the electromagnetic valve through the second one-way throttling valve.

Furthermore, the processing platform comprises a turntable connected with the power assembly and at least two clamps arranged on the turntable, each clamp comprises a positioning bolt, a pressing block, a nut and two wedge blocks, one end of each positioning bolt is fixed on the turntable, the other end of each positioning bolt penetrates through the corresponding pressing block and then is connected with the corresponding nut, and one end of the bottom of each pressing block abuts against the two wedge blocks.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a design a burnishing machine, with the people and come out from numerous and complicated polishing work, burnishing device includes elastic connection in the elastic connection subassembly between fixing base and the piece of polishing, this elastic connection subassembly can effectively avoid the piece of polishing to carry out the phenomenon that the in-process of polishing appears breaking to the machined part, this burnishing machine is fast, efficient, is suitable for the polishing operation of big batch machined part.

Drawings

Fig. 1 is a schematic structural diagram of a polishing machine provided by an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a cross-sectional view of a polishing assembly mounted on a fixing base according to an embodiment of the present invention;

fig. 4 is a schematic view of a part of the structure of an oil dispensing system provided by an embodiment of the present invention;

fig. 5 is a gas path diagram of the oil dispensing assembly provided in the embodiment of the present invention;

fig. 6 is a schematic structural view illustrating a workpiece mounted on a processing table according to an embodiment of the present invention;

fig. 7 is a sectional view of the workpiece of fig. 6 mounted on a machining table.

In the figure: 10. a cabinet; 20. processing a workpiece; 30. a processing table; 31. a turntable; 311. a central positioning block; 32. A clamp; 321. positioning the bolt; 322. briquetting; 323. a nut; 324. a wedge block; 40. a power assembly; 50. a polishing device; 51. a fixed seat; 511. a limiting groove; 512. a movable seat; 513. a limiting frame; 514. A side plate; 515. a middle plate; 516. a chute; 52. polishing the workpiece; 53. an elastic connection assembly; 531. polishing the rod; 532. an extension rod; 533. a pin; 534. an elastic member; 60. a drive assembly; 61. a first drive mechanism; 62. a second drive mechanism; 70. an oil dispensing system; 71. an oil dispensing assembly; 711. an electromagnetic valve; 712. a gas source; 713. a first one-way throttle valve; 714. a second one-way throttle valve; 715. a needle cylinder; 716. a vacuum generator; 717. a first interface; 718. a second interface; 719. a third interface; 720. adjusting a valve; 72. a magnetic base; 73. a gimbal arm; 80. and (5) a man-machine operation interface.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1-7, the present invention provides a polishing machine, which comprises a cabinet 10, a processing table 30 for loading a workpiece 20 (mold core), a power assembly 40 disposed on the cabinet 10 for driving the processing table 30 to move or rotate, a polishing device 50 for polishing the workpiece 20, and a driving assembly 60 disposed on the cabinet 10 for driving the polishing device 50 to move, wherein the polishing device 50 comprises a fixing base 51 connected to the driving assembly 60, a polishing member 52 for polishing the workpiece 20, and an elastic connection assembly 53 elastically connected between the fixing base 51 and the polishing member 52, the elastic connection assembly 53 can effectively prevent the polishing member 52 from being broken during polishing the workpiece 20, and meanwhile, the polishing member 52 in this embodiment is preferably an oilstone, the oilstone is adhered to the elastic connection assembly 53 through glue, the oilstone is disposed against the surface of the workpiece 20.

In this embodiment, the elastic connection assembly 53 includes a polished rod 531, an extension rod 532, a pin 533 and an elastic member 534, the fixing base 51 is provided with a limit groove 511, the elastic member 534 is installed in the limit groove 511, one end of the polished rod 531 is rotatably connected with the fixing base 51 through the pin 533, the extension rod 532 is slidably connected or detachably connected with the other end of the polished rod 531, the extension rod 532 can adjust the polishing depth, the polishing member 52 is adhered to the extension rod 532 through glue, and the middle portion of the polished rod 531 is located in the limit groove 511 and elastically connected with the elastic member 534. The elastic member 534 comprises two spring ejector pins respectively installed at two ends of the limiting groove 511, the two spring ejector pins are respectively abutted against the polishing rod 531 from two opposite sides of the polishing rod 531 in opposite directions, the polishing rod 531 can only swing along the length direction of the spring ejector pins, so that the grinding member 52 fixed on the extension rod 532 has a certain contact force with the surface of the workpiece 20 all the time, and the elasticity is maintained, thereby preventing the grinding member 52 from rigidly contacting the surface of the workpiece 20, damaging the surface of the workpiece 20, and ensuring the accuracy of the die-saving polishing position.

In a preferred embodiment, the fixed base 51 comprises a movable base 512 connected with the polishing rod 531 and a limiting frame 513 connected with the driving assembly 60, the limiting frame 513 comprises two side plates 514 arranged at intervals and a middle plate 515 arranged between the two side plates 514 and connected with the driving assembly 60, the two side plates 514 are respectively provided with a sliding groove 516 with a U-shaped structure, the movable base 512 is slidably arranged in the sliding groove 516 for adjusting the front and rear range of the operation of the polishing element 52, the adjusting structures can greatly expand the polishing range of the polishing machine, and the limiting groove 511 is arranged on the movable base 512.

As a preferred embodiment, the driving assembly 60 includes a first driving mechanism 61 connected with the fixed base 51 for driving the fixed base 51 to move in the vertical direction and a second driving mechanism 62 connected with the first driving mechanism 61 for driving the first driving mechanism 61 to move in the horizontal direction, and the second driving mechanism 62 is mounted on the cabinet 10, so that the grinding member 52 is driven by the driving assembly 60 to move to a desired position.

As a preferred embodiment, the power assembly 40 is a combination of a three-phase asynchronous motor and a worm gear reducer; the first driving mechanism 61 and the second driving mechanism 62 are both a combination of a motor and a ball screw transmission, the combination of a servo motor and the ball screw transmission has high motion precision and large transmission torque, can conveniently realize reciprocating motion and rotation, and has high mold-saving polishing efficiency.

The polishing machine further comprises an oil dispensing system 70 for dispensing oil to the workpiece 20, the oil dispensing system 70 is installed on the cabinet 10, the oil dispensing system 70 comprises an oil dispensing assembly 71, a magnetic base 72 connected with the cabinet 10 in a magnetic adsorption mode and a universal arm 73 installed on the magnetic base 72 in a rotating mode, the oil dispensing assembly 71 is installed on the universal arm 73, the oil dispensing system 70 can add lubricant to the surface of the workpiece 20 at regular time, the lubricant can cool the surface of the workpiece 20 at the same time, burning of the surface of the workpiece 20 is prevented, the universal arm 73 can rotate at any angle, the magnetic base 72 is provided with a magnetic switch, and when the magnetic switch is turned on, the magnetic base 72 can be adsorbed on the cabinet 10.

The point oil assembly 71 comprises a solenoid valve 711, a gas source 712, a first one-way throttle valve 713, a second one-way throttle valve 714, a syringe 715 for point oil to the workpiece 20, and a vacuum generator 716 driven by the gas source 712 for reverse operation of a piston in the syringe 715, the syringe 715 is filled with lubricant or coolant, the syringe 715 is mounted on the universal arm 73, the solenoid valve 711 has three interfaces respectively defined as a first interface 717, a second interface 718 and a third interface 719, wherein the first interface 717 is connected with the syringe 715 through the vacuum generator 716, the second interface 718 is connected with the syringe 715, the third interface 719 is connected with the gas source 712, the vacuum generator 716 is connected with the first interface 717 on the solenoid valve 711 through the first one-way throttle valve 713, the syringe 715 is connected with the second interface 718 on the solenoid valve 711 through the second one-way throttle valve 714, and a regulating valve 720 is further arranged between the third interface 719 and the gas source 712, for regulating the size of the gas source 712.

The embodiment can drive the first driving mechanism 61 and the second driving mechanism 62 to make the grinding member 52 abut against the surface of the workpiece 20, and in a specific use, the first driving mechanism 61 is driven to determine the highest point and the lowest point of polishing of the workpiece 20. The needle cylinder 715 of the oil applying system 70 is moved by hand to make the needle point close to the surface of the workpiece 20 but not contact the surface of the workpiece 20, and parameters required by the oil applying system 70 are input, such as oil applying interval time, and the polishing machine automatically operates according to the input parameters after a single oil applying. The workpiece 20 rotates along with the turntable 31, the first driving mechanism 61 drives the grinding part 52 to reciprocate up and down, and the grinding part 52 always presses the surface of the workpiece 20 due to certain elasticity of the polishing rod 531, so that the die-saving polishing function is achieved.

The polishing machine further comprises a man-machine operation interface 80, the power assembly 40, the driving assembly 60 and the oiling system 70 are electrically connected with the man-machine operation interface 80, the electric control parts of the power assembly 40, the driving assembly 60 and the oiling system 70 are controlled in a PLC (programmable logic controller) full-automatic mode, the man-machine operation interface 80 enables all actions of the polishing machine to automatically coordinate and move according to set parameters, and operation is simple.

When oil is required to be dispensed, the PLC connects the third interface 719 on the control solenoid valve 711 with the second interface 718, the air source 712 is connected to the cylinder 715 through the solenoid valve 711, the air presses the piston in the cylinder 715, and the air flow is adjusted through the second one-way throttle valve 714, so that the lubricant (or coolant) in the cylinder 715 flows out and drops on the surface of the workpiece 20; when the lubricant (or coolant) on the surface of the workpiece 20 is enough, the third interface 719 on the PLC control solenoid valve 711 is communicated with the first interface 717, the gas enters the vacuum generator 716 through the first one-way throttle 713, the first interface 717 and the vacuum generator 716 suck back the gas, so that the back pressure is generated in the needle cylinder 715, and the liquid cannot flow out; when the liquid in the syringe 715 is used up, the needle tip of the syringe 715 is immersed in the liquid, the PLC controls the solenoid valve 711 to connect the third port 719 to the first port 717, and the first one-way throttle 713 is adjusted to generate a larger negative pressure in the vacuum generator 716, so that the piston in the syringe 715 moves in the opposite direction, and the liquid can be sucked back into the syringe 715.

The processing table 30 comprises a turntable 31 connected with the power assembly 40 and at least two clamps 32 arranged on the turntable 31, each clamp 32 comprises a positioning bolt 321, a pressing block 322, a nut 323 and two wedges 324, one end of each positioning bolt 321 is fixed on the turntable 31, the other end of each positioning bolt passes through the corresponding pressing block 322 and then is connected with the corresponding nut 323, and one end of the bottom of each pressing block 322 abuts against the two wedges 324. The center of the turntable 31 is provided with a center positioning block 311 for positioning the workpiece 20, so that the workpiece 20 is concentric with the turntable 31; and the upper portion of the rotary table 31 is provided with a cross T-shaped groove, a T-shaped positioning bolt 321 is inversely hung in the T-shaped groove, a U-shaped groove on the pressing block 322 penetrates through the T-shaped positioning bolt 321, the workpiece 20 is pressed while being supported by two wedge blocks 324, the workpiece 20 is pressed by a nut 323, and the fixing is rapid and convenient. The inclined surfaces of the two wedges 324 are provided with sawtooth grooves, so that the two wedges 324 cannot slide, the height can be adjusted, and meanwhile, the positioning bolt 321 can slide in the T-shaped groove on the turntable 31, the size can be adjusted, and the fixation of workpieces 20 with different heights and sizes is met. The power assembly 40 of the polishing machine can also drive the processing table 30 to move linearly, the turntable 31 moves left and right along with the power assembly 40, a plane die can be polished, and the modification of the equipment is included in the scope of the patent.

When the outer circle surface needs to be polished, the polishing rod 531 naturally inclines outwards, and the polishing rod 531 is continuously pressed forwards to be close to a vertical state after contacting the surface of the workpiece 20, so that the grinding part 52 has a certain contact force with the surface of the workpiece 20; when the inner circular surface needs to be polished, the direction of the whole fixed seat 51 can be directly changed, the polishing rod 531 naturally inclines inwards, and the polishing rod 531 is continuously pressed backwards after contacting the surface of the workpiece 20 to be close to a vertical state, so that the grinding piece 52 has a certain contact force with the surface of the workpiece 20. The surface that needs the inner and outer circle saves the mould polishing, and this equipment only needs whole change direction, and locking side screw just can realize, convenient operation, when improving production efficiency, reduces the harm of dust to the human body simultaneously.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The polishing machine is characterized by comprising a machine cabinet, a processing table for loading a workpiece, a power assembly arranged on the machine cabinet and used for driving the processing table to move or rotate, a polishing device used for polishing the workpiece and a driving assembly arranged on the machine cabinet and used for driving the polishing device to move, wherein the polishing device comprises a fixed seat connected with the driving assembly, a polishing piece used for polishing the workpiece and an elastic connecting assembly elastically connected between the fixed seat and the polishing piece.

2. The polishing machine of claim 1, wherein: the elastic connection assembly comprises a polished rod, a pin and an elastic piece, a limit groove is formed in the fixing base, the elastic piece is installed in the limit groove, one end of the polished rod is connected with the fixing base in a rotating mode through the pin, the other end of the polished rod is connected with the polishing piece, and the middle of the polished rod is located in the limit groove and elastically connected with the elastic piece.

3. The polishing machine of claim 2, wherein: the elastic piece comprises two spring thimbles which are respectively arranged at two ends of the limiting groove, and the two spring thimbles are respectively butted against the polished rod from two opposite side parts of the polished rod in an opposite way; and/or the presence of a gas in the atmosphere,

4. The polishing machine of claim 1, wherein: the driving assembly comprises a first driving mechanism connected with the fixed seat and used for driving the fixed seat to move along the vertical direction and a second driving mechanism connected with the first driving mechanism and used for driving the first driving mechanism to move along the horizontal direction, and the second driving mechanism is installed on the machine cabinet.

5. The polishing machine of claim 4, wherein: the power assembly is a combination of a motor and a worm gear transmission; and/or the presence of a gas in the atmosphere,

6. The polishing machine of any one of claims 1 to 5, wherein: the polishing machine further comprises an oil dispensing system for dispensing oil to the workpiece, and the oil dispensing system is mounted on the machine cabinet.

7. The polishing machine of claim 6, wherein: the oil dispensing system comprises an oil dispensing assembly, a magnetic base and a universal arm, wherein the magnetic base is connected with the cabinet in a magnetic adsorption mode, the universal arm is rotatably installed on the magnetic base, and the oil dispensing assembly is installed on the universal arm.

8. The polishing machine of claim 7, wherein: the oil dispensing assembly comprises an electromagnetic valve, an air source, a needle cylinder and a vacuum generator, wherein the needle cylinder is used for dispensing oil to the workpiece, the vacuum generator is used for enabling a piston in the needle cylinder to run reversely under the driving of the air source, the needle cylinder is installed on the universal arm, the electromagnetic valve is provided with a first interface, a second interface and a third interface, the first interface is connected with the needle cylinder through the vacuum generator, the second interface is connected with the needle cylinder, and the third interface is connected with the air source.

9. The polishing machine of claim 8, wherein: the oil dispensing assembly further comprises a first one-way throttle valve and a second one-way throttle valve, the vacuum generator is connected with the first interface on the electromagnetic valve through the first one-way throttle valve, and the needle cylinder is connected with the second interface on the electromagnetic valve through the second one-way throttle valve.

10. The polishing machine of any one of claims 1 to 5, wherein: the processing platform comprises a rotary table connected with the power assembly and at least two fixtures arranged on the rotary table, each fixture comprises a positioning bolt, a pressing block, a nut and two wedge blocks, one end of each positioning bolt is fixed on the rotary table, the other end of each positioning bolt penetrates through the corresponding pressing block and then is connected with the corresponding nut, and one end of the bottom of each pressing block abuts against the corresponding two wedge blocks.