CN113352074A

CN113352074A - Accurate equipment system of scissors foot

Info

Publication number: CN113352074A
Application number: CN202110621376.4A
Authority: CN
Inventors: 叶元革; 叶泽仁; 叶毅
Original assignee: Suzhou Yiyuan Precision Mould Co ltd
Current assignee: Suzhou Yiyuan Precision Mould Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-09-07
Anticipated expiration: 2041-06-03
Also published as: CN113352074B

Abstract

The application relates to a scissor-leg precise assembly system; the cutting assembly and the assembling assembly are respectively connected to the workbench in a sliding manner and can move to the upper part of the bottom template; the cutting assembly is provided with a guide pillar, and the bottom template is provided with a guide hole for the guide pillar to be inserted into; a material distribution unit is arranged on the bottom template; the outer frame is arranged in the inclined bottom groove and sleeved outside the stop block, and the inner frame is arranged in the flat bottom groove; the cutting assembly is provided with a cutter for cutting the batching unit; the assembly has a take off bar for insertion into the inner frame and snap-fitting into the outer frame. The accurate assembly system for the scissor legs can be used for automatically assembling the inner frame and the outer frame of the scissor legs, so that the assembly efficiency is improved; simultaneously, the guide pillar inserts the setting of guiding hole, has improved the precision of cutting, has improved the size nature of inside casing and frame, and then has improved the quality of equipment back scissors foot.

Description

Accurate equipment system of scissors foot

Technical Field

The application relates to the field of scissors foot, especially relate to an accurate equipment system of scissors foot.

Background

The membrane keyboard can be divided into a crater keyboard, a column-shaped keyboard and a scissor-foot keyboard according to different key structures. The scissor-foot keyboard is widely applied to notebook computers and desktop computers due to the fact that the keycaps are stable, the pressure is balanced, and the resilience is rapid.

In the scissors foot keyboard, the scissors feet are core components, and the quality of the scissors foot keyboard is determined. The scissor legs consist of an inner frame and an outer frame; the two sides of the outer ring of the inner frame are symmetrically provided with a plurality of rotating shafts, and the two sides of the inner ring of the outer frame are symmetrically provided with shaft grooves for clamping the rotating shafts. The inner frame is assembled in the outer frame to form a finished scissor leg product.

At present, in the related art, the assembly of the inner frame and the outer frame of the scissor feet is completed by workers. Firstly, an operator cuts the inner frame and the outer frame from the batching unit by adopting a cutter or a punching head; then the rotating shaft at one side of the inner frame is clamped into the shaft groove at one side of the outer frame; and pulling the outer frame part positioned on the other opposite side outwards and sleeving the outer frame part outside the inner frame, and clamping the rotating shaft which is not clamped in the inner frame into the corresponding shaft groove to complete the assembly of the inner frame and the outer frame of the scissor legs, thereby obtaining the finished scissor leg.

With respect to the above-described related art, the inventors consider that: the efficiency of manually assembling the scissor legs is low, and five operators can only assemble 2-3 thousands of scissor legs in one day, so that the requirements of actual production cannot be met.

Disclosure of Invention

In order to improve the packaging efficiency of scissors foot, the application provides a accurate equipment system of scissors foot.

The application provides a pair of accurate equipment system of scissors foot adopts following technical scheme:

the accurate assembly system of scissors foot, including the work station, bottom template fixedly connected to work station, and cutting assembly and assembly that connect to work station slidably separately, and can move to the bottom template above;

the cutting assembly is provided with a cutter pressing plate and a first lifting driving mechanism; the cutter pressing plate is driven by the first lifting driving mechanism to press downwards, a cutter and a guide pillar are connected to the lower surface of the cutter pressing plate, and the lower end face of the guide pillar is lower than the cutter;

the assembly component is provided with an upper pressure plate and a second lifting driving mechanism; the upper pressing plate is driven by the second lifting driving mechanism to press downwards, and the lower surface of the upper pressing plate is connected with a material taking rod;

the bottom template comprises a plurality of working units, each working unit comprises a plurality of inclined bottom grooves and a plurality of flat bottom grooves, and the inclined bottom grooves correspond to the flat bottom grooves one to one; the bottom of the inclined bottom groove inclines towards the corresponding flat bottom groove, and the lower side of the bottom of the inclined bottom groove is provided with a stop block; the bottom template is also provided with a guide hole for inserting the guide pillar;

the bottom template is used for placing a batching unit, the batching unit comprises an outer frame, an inner frame and a connecting rod for connecting the outer frame and the inner frame, the outer frame is placed in the inclined bottom groove and sleeved outside the stop block, and the inner frame is placed in the flat bottom groove; the cutter is used for cutting the batching unit; the material taking rod is used for being inserted into the inner frame and being clamped into the outer frame.

By adopting the technical scheme, the cutting assembly moves above the bottom template, the first lifting driving mechanism drives the cutter pressing plate and drives the cutter and the guide pillar to move towards the bottom template on which the batching unit is placed; the guide pillar contacts the batching unit earlier, and in inserting the guiding hole of die block board, can play the effect of location, makes the cutter cut batching unit more accurately, makes frame and inside casing break away from and make the frame place in oblique kerve to one side from the connecting rod. Then the assembly moves above the bottom template, the second lifting driving mechanism drives the upper pressure plate and drives the material taking rod to move towards the bottom template, and the material taking rod is inserted into the inner ring of the inner frame; then the material taking rod moves to the outer frame along with the assembling component, one side of the inner frame is firstly clamped into the part of the outer frame at the high side, and the outer frame is driven to move horizontally; under the matching of the stop block and the oblique bottom groove, the part of the outer frame at the low side is pulled and gradually lifted to be horizontal, so that the inner frame is completely clamped into the outer frame, and the assembly of the inner frame and the outer frame is completed. The equipment realizes the automatic assembly of the inner frame and the outer frame of the scissor legs, not only improves the production efficiency, but also saves manpower and material resources; meanwhile, the cutting device can cut more accurately, and the quality of the finished scissor feet is improved.

Optionally, the cutting assembly further includes a first fixing plate and a first pressing block;

the first fixing plate is connected to the workbench in a sliding mode and can slide to the upper portion of the bottom template; the first lifting driving mechanism is a cylinder and is fixedly connected to the first fixing plate, and a piston rod of the first lifting driving mechanism extends downwards through the first fixing plate and is connected with the cutter pressing plate;

the lower end face of the first pressing block is lower than the lower end face of the cutter but higher than the lower end face of the guide post.

Through adopting above-mentioned technical scheme, first briquetting can be pushed down batching unit before cutter cutting batching unit, makes it fixed to batching unit removes and leads to the problem of cutting failure when having reduced the cutting. Simultaneously, first briquetting passes through the setting of guide shaft sliding connection on the cutter clamp plate, makes first briquetting after pushing down the batching unit cutter can continue to push down until first briquetting and cutter clamp plate laminating, has guaranteed that the cutter can cut the batching unit smoothly.

Optionally, the first pressing block has an inclined bottom pressing head corresponding to the inclined bottom groove and a flat bottom pressing head corresponding to the flat bottom groove.

Through adopting above-mentioned technical scheme, the pressure head can make frame and oblique kerve tank bottom laminate more to one side, makes the frame arrange oblique kerve in better in, makes things convenient for the block of inside casing and frame.

Optionally, the guide shaft is sleeved with a spring element.

Through adopting above-mentioned technical scheme, be convenient for push down the back, the reset of first briquetting and cutter clamp plate relative position.

Optionally, the assembly further includes a second fixing plate, a lower pressing plate, a second pressing block, and a third lifting driving mechanism;

the second fixing plate is connected to the workbench in a sliding mode and can slide above the bottom template; the second lifting driving mechanism is an electric cylinder which is fixedly connected to the second fixing plate, and a piston rod of the second lifting driving mechanism extends downwards through the second fixing plate and then is connected with the upper pressure plate;

the third lifting driving mechanism is a cylinder which is fixedly connected to the upper pressure plate, and a piston rod of the third lifting driving mechanism extends downwards through the upper pressure plate and then is connected with the lower pressure plate;

the second pressing block is connected to the lower surface of the lower pressing plate and provided with a lower pressing head, and the material taking rod penetrates through the lower pressing head from top to bottom and is exposed below the lower pressing head.

By adopting the technical scheme, the second pressing block can play a role in fixing the inner frame, so that the material taking rod can be inserted into the inner ring of the inner frame more smoothly.

Optionally, the working unit further comprises a plurality of holes, and the holes are located below the connecting rods and penetrate through the bottom formwork.

Through adopting above-mentioned technical scheme, be favorable to the smooth cutting of cutter, be convenient for simultaneously with the waste discharge of the connecting rod of frame and inside casing separation.

Optionally, the work unit still includes a plurality of holding tanks of seting up on the die block board, holding tank and flat bottom groove one-to-one, and the opening of holding tank is located the bottom in flat bottom groove.

By adopting the technical scheme, the material taking rod can be smoothly and accurately inserted into the inner ring of the inner frame.

Optionally, the device further comprises a screw rod linear module fixedly connected to the workbench; the screw rod linear module is provided with a sliding table which is connected with the assembly component through a connecting plate; and the lead screw linear module drives the assembly to move above the bottom template.

Through adopting above-mentioned technical scheme, the linear module drive slip table of lead screw, and then drive the equipment subassembly and remove the die block board top.

Optionally, the cutting device further comprises an air cylinder horizontally arranged on the workbench, and a piston rod of the air cylinder abuts against a first connecting block arranged on the cutting assembly; the cylinder drives the cutting assembly to move above the bottom template;

the workbench is also provided with a buffer piece which is positioned at the tail end of the motion path of the first connecting block and used for enabling the first connecting block to stop stably.

Through adopting above-mentioned technical scheme, the cylinder drives first connecting block, and then drives cutting assembly and removes the bottom die plate top.

Optionally, the cutting device further comprises two lead screws horizontally arranged on two sides of the cutting assembly respectively, one end of each lead screw is connected with the motor, and the other end of each lead screw is in threaded connection with a second connecting block arranged on the cutting assembly; the two screw rods are matched with each other to drive the cutting assembly to move above the bottom template;

and the workbench is also provided with a laser range finder for measuring the distance from the laser range finder to the second connecting block.

Through adopting above-mentioned technical scheme, through the rotation of lead screw, drive second connecting block, and then drive cutting assembly removes the bottom die plate top. Moreover, the distance from the laser range finder to the second connecting block can be accurately judged, and further the position parameters of the cutting assembly can be obtained; when the preset distance is reached, the laser range finder gives a signal to stop the screw rod, so that the cutting assembly is accurately positioned.

In summary, the present application includes at least one of the following beneficial technical effects:

1. this application can assemble inside casing and the frame of scissors foot fully automated ground, has improved the efficiency of equipment, has saved manpower and materials. According to the measurement and calculation, two operators control one system, and 35 ten thousand scissor feet can be assembled in one day.

2. This application inserts the setting of guiding hole through the guide pillar. The cutting precision is improved, and the cutter can more accurately position and cut the batching unit, thereby improving the size property of the inner frame and the outer frame and further improving the quality of the assembled scissor legs.

3. The first press block of the present application has a sloping bottom ram; through the setting of oblique end pressure head, make the frame arrange in oblique kerve better in one side, make the block of inside casing and frame more smooth.

4. This application makes the cutting assembly location more accurate through the setting of laser range finder and the second connecting block that corresponds rather than.

Drawings

Fig. 1 is a schematic structural diagram of a dosing unit in embodiment 1 of the present application.

Fig. 2 is a schematic structural view of the scissor assembly system according to embodiment 1 of the present application.

Fig. 3 is an exploded view of the scissors foot assembly system without the housing of example 1 of the present application.

Fig. 4 is a schematic structural view of a cutting assembly according to embodiment 1 of the present application.

Fig. 5 is an enlarged view at a in fig. 4.

Fig. 6 is a schematic structural view of a scissors foot assembly system without a housing according to embodiment 1 of the present application.

Fig. 7 is an external view of the assembled component of embodiment 1 of the present application.

Fig. 8 is a schematic structural view of an assembly component of embodiment 1 of the present application.

Fig. 9 is an external view of the scissors foot assembly system without the housing according to embodiment 1 of the present application.

Fig. 10 is a schematic structural view of a base mold plate according to embodiment 1 of the present application.

Fig. 11 is a schematic view of the assembly system of the scissors foot without the housing according to example 1 of the present application from another angle.

Fig. 12 is a schematic structural view of a retainer plate according to embodiment 1 of the present application.

Fig. 13 is a schematic structural view of a scissors foot assembly system without a housing according to embodiment 2 of the present application.

Description of reference numerals: 1. a work table; 11. a support; 2. a cutting assembly; 21. a first fixing plate; 22. pressing a cutter plate; 23. a first pressing block; 231. a sloping bottom ram; 232. a flat bottom indenter; 233. an annular connecting block; 24. a cutter; 241. a blade; 25. a guide post; 26. a first elevation drive mechanism; 27. a guide shaft; 28. a first connection block; 29. a second connecting block; 3. assembling the components; 31. a second fixing plate; 311. a vertical plate; 32. an upper pressure plate; 33. a lower pressing plate; 34. a second pressing block; 341. a lower pressure head; 35. taking a material rod; 36. a second elevation drive mechanism; 37. a third elevation drive mechanism; 4. a bottom template; 41. a sloping bottom groove; 411. a stopper; 42. a flat bottom groove; 43. a guide hole; 44. a bar hole; 45. accommodating grooves; 46. positioning pins; 5. a material collecting plate; 51. a blanking through hole; 52. a lifting cylinder; 61. a screw rod linear module; 611. a sliding table; 612. an induction sheet; 613. a chute; 614. a U-shaped groove photoelectric switch; 62. a cylinder; 63. a buffer member; 64. a screw rod; 65. a motor; 66. a laser range finder; 71. a slide rail; 72. a waste discharge channel; 73. a nozzle; 74. a nozzle connecting strip; 8. a housing; 9. a dosing unit; 91. an outer frame; 911. a shaft groove; 92. an inner frame; 921. a rotating shaft; 93. a connecting rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-13.

Example 1

The embodiment of the application discloses a scissors foot accurate assembly system for cut off outer frame 91 and inner frame 92 on the batching unit 9 from connecting rod 93, and with inner frame 92 block to in outer frame 91. Referring to fig. 1, the dosage unit 9 comprises a connecting rod 93 and an outer frame 91 and an inner frame 92 connected thereto. In this embodiment, one connecting rod 93 is provided, and the outer frame 91 and the inner frame 92 are provided with four connecting rods. The outer frames 91 are connected to both sides of the connecting rod 93 two by two symmetrically, and the inner frames 92 are connected to both sides of the connecting rod 93 two by two symmetrically; the outer frame 91 and the inner frame 92 located on the same side as the connecting rod 93 are alternately arranged. Meanwhile, the inner ring of the outer frame 91 is provided with shaft grooves 911 at opposite sides thereof, and correspondingly, the outer ring of the inner frame 92 is provided with rotation shafts 921 at opposite sides thereof, which are matched with the shaft grooves 911. The outer frame 91 and the inner frame 92 are assembled into a scissor leg finished product by clamping the shaft groove 911 with the corresponding rotating shaft 921.

Referring to fig. 2 and 3, the scissor-leg precise assembly system comprises a housing 8, and a workbench 1, a cutting assembly 2, an assembly 3, a bottom template 4, a material receiving plate 5 and a slide rail 71 which are arranged in the housing. Wherein, the workbench 1 is a rectangular plate, and the bottom template 4 is arranged in the middle of the workbench 1; the material receiving plate 5 is arranged on the workbench 1 and located on one side of the bottom template 4, and the material receiving plate 5 and the bottom template 4 are arranged along the length direction of the workbench 1. The two slide rails 71 are symmetrically arranged on the workbench 1; the two slide rails 71 extend from the short edge at one side of the workbench 1 to the short edge at the opposite side of the workbench 1 along the length direction of the workbench 1; the bottom template 4 and the material receiving plate 5 are positioned between the two slide rails 71. Meanwhile, the two slide rails 71 are elevated by the longitudinal supports 11 fixed to the table 1. The cutting assembly 2 is arranged on the workbench 1 through a sliding rail 71 in a sliding mode and is positioned on one side, away from the material receiving plate 5, of the bottom template 4; the cutting assembly 2 can slide directly above the bottom template 4, guided by the slide rails 71. The assembly component 3 is also arranged on the workbench 1 through a sliding rack 71 in a sliding way and is positioned at one side of the bottom template 4 close to the material receiving plate 5; under the guidance of the slide rails 71, the assembly components 3 can slide right above the bottom template 4 or the material receiving plate 5.

Referring to fig. 4, the cutting assembly 2 includes a first fixing plate 21, a cutter pressing plate 22, a first pressing block 23, a cutter 24, a guide post 25, and a first elevation driving mechanism 26.

Referring to fig. 4, the first fixing plate 21 is a rectangular plate, which is horizontally disposed. Two short edges of the lower surface of the first fixing plate 21 are respectively and fixedly connected with a group of sliding blocks, and the sliding blocks are matched with the sliding rails 71; the two sets of sliding blocks are respectively connected with the two sliding rails 71 in a matching manner, so that the first fixing plate 21 is slidably connected to the sliding rails 71.

Referring to fig. 4, the first lifting driving mechanism 26 is a cylinder, which is fixedly connected to the first fixing plate 21, and a piston rod of the cylinder extends downward through the first fixing plate 21 and then is connected to the cutter pressing plate 22 disposed below the first fixing plate 21; the cutter presser plate 22 is driven to be pressed down or retracted by the ejection or retraction of the piston rod of the first elevation drive mechanism 26. In order to make the relative movement between the first fixing plate 21 and the cutter pressing plate 22 smoother, a plurality of guide rods sleeved with linear bearings are arranged between the first fixing plate and the cutter pressing plate.

Referring to fig. 5, the first press block 23 includes an annular connecting block 233, and a slant bottom ram 231 and a flat bottom ram 232 provided at the bottom thereof and extending downward; each first pressing block 23 corresponds to one batching unit 9; specifically, the number, size and position of the inclined bottom pressing heads 231 are all matched with the outer frame 9 of the batching unit 9, and the number, size and position of the flat bottom pressing heads 232 are all matched with the outer frame 92; i.e. each first press piece 23 has four sloping bottom rams 231 and four flat bottom rams 232. The first pressing block 23 is positioned below the cutter pressing plate 22; the upper surface of the first pressing block 23 is symmetrically and fixedly connected with a plurality of vertically arranged guide shafts 27, and the free ends of the guide shafts 27 extend upwards through the through holes formed in the cutter pressing plate 22 and then are exposed on the cutter pressing plate 22. A linear bearing is arranged between the guide shaft 27 and the through hole of the cutter pressing plate 22, so that the first pressing block 23 and the cutter pressing plate 22 can be smoothly and slidably connected. In addition, the guide shaft 27 is also sleeved with a spring piece, and two ends of the spring piece are respectively connected with the cutter pressing plate 22 and the first pressing block 23.

Referring to fig. 5, the cutter 24 is fixedly connected to the lower surface of the cutter pressing plate 22 and is located in the inner ring of the annular connecting block 233. The cutter 24 has a plurality of blades 241, the tips of the blades 241 are disposed downward and located at the lowermost end of the cutter 24; meanwhile, the cutting head of the blade 241 is higher than the lowest end of the inclined bottom pressure head 231 or the flat bottom pressure head 232.

Referring to fig. 5, the guide post 25 is also fixedly connected to the lower surface of the cutter presser plate 22, and the lower end surface of the guide post 25 is lower than the lowest end of the inclined bottom head 231 or the flat bottom head 232. In the embodiment, four guide posts 25 are arranged and symmetrically distributed on the lower surface of the cutter pressing plate 22; each guide post 25 is located between two first press blocks 23.

Referring to fig. 6, the air cylinder 62 is horizontally disposed on the working platform 1, and the air cylinder 62 is located inside one of the slide rails 71 (defining: one side facing the area between the two slide rails 71 is the inside, and the other opposite side is the outside, the same applies below). Specifically, the base of the cylinder 62 is fixed to the inner side of the slide rail 71 corresponding to the bracket 11 and located near the material receiving plate 5, the piston rod of the cylinder 62 extends along the length direction of the workbench 1 and abuts against the first connecting block 28 installed below the first fixing plate 21, and the first connecting block 28 is disposed on the lower surface of the first fixing plate 21 and is close to the short side of one side of the first fixing plate 21. When the piston rod of the air cylinder 62 is jacked up, the cutting assembly 2 is positioned above the side of the bottom template 4; when the cylinder 62 piston is retracted, the first fixing plate 21, and therefore the cutting assembly 2, can be driven to slide along the slide rails 71 and move to a position directly above the bottom die plate 4. Meanwhile, a buffer member 63 is arranged on the workbench 1, is positioned below the piston rod of the air cylinder 62 and is positioned at the tail end of the motion path of the first connecting block 28; the buffer 63 is used for buffering the first connecting block 28, and further buffering the cutting assembly 2 to stop smoothly. In addition, in order to better cushion the cutting assembly 2, a first connecting block 28 is also arranged at the short side of the other side of the first fixing plate 21; meanwhile, the first connecting block 28 is also provided with a buffer member 63 fixedly connected to the workbench 1; therefore, during buffering, the stress of the cutting assembly 2 can be more balanced, and the cutting assembly 2 can be stopped smoothly.

Referring to fig. 7, the assembly kit 3 includes a second fixing plate 31, an upper pressing plate 32, a lower pressing plate 33, a second pressing block 34, a reclaiming rod 35, a second elevation driving mechanism 36, and a third elevation driving mechanism 37.

Referring to fig. 7, the second fixing plate 31 is a rectangular plate, which is horizontally disposed. Two short sides of the lower surface of the second fixing plate 31 are respectively provided with a vertical plate 311 having a sliding block at the bottom, the vertical plates 311 correspond to the sliding rails 71 one by one, and the sliding blocks of the vertical plates 311 are connected with the corresponding sliding rails 71 in a matching manner, so that the second fixing plate 31 is slidably connected to the sliding rails 71.

Referring to fig. 7, the second elevation driving mechanism 36 is an electric cylinder, which is fixedly connected to the second fixing plate 31, and a piston rod of which extends downward through the second fixing plate 31 and is connected to the upper pressing plate 32 disposed below the second fixing plate 31; the upper platen 32 is pressed down or retracted by the second elevation drive mechanism 36. In addition, a plurality of guide rods sleeved with linear bearings are symmetrically arranged between the second fixing plate 31 and the upper pressure plate 32 in a conventional manner, so that the smoothness of the relative movement between the second fixing plate 31 and the upper pressure plate 32 is improved.

Referring to fig. 7 and 8, the third elevation driving mechanism 37 is embodied as a cylinder, and has two; the two cylinders are symmetrically and fixedly connected to the upper pressure plate 32. A piston rod of the third lifting driving mechanism 37 extends downwards through the upper pressing plate 32 and is connected with the lower pressing plate 33 arranged below the upper pressing plate 32; the upper platen 32 and the lower platen 33 are separated or combined by the jacking or retraction of the piston rod of the third elevation drive mechanism 37. In addition, in order to make the relative movement of the upper pressing plate 32 and the lower pressing plate 33 smoother, a plurality of guide shafts are arranged on the lower pressing plate 33, and the free ends of the guide shafts extend upwards through the through hole formed in the upper pressing plate 32 and are positioned above the upper pressing plate 32; the copper sleeve is arranged in the through hole formed in the upper pressure plate 32, so that the relative sliding between the guide shaft and the upper pressure plate 32 is smoother.

Referring to fig. 7 and 8, a second pressing block 34 is fixedly attached to the lower surface of the lower pressing plate 33, the second pressing block 34 having a lower pressing head 341 extending downward; each second presser block 34 has two lower presser heads 341 corresponding to a pair of inner frames 92 symmetrically positioned on both sides of the connecting rod 93 of the batching unit 9. The material taking rod 35 is fixedly connected to the lower surface of the upper press plate 32 and corresponds to the lower press heads 341 one by one; the free end of the material-taking rod 35 extends downward, passes through the lower press plate 33, and then passes through the corresponding lower press head 341 from top to bottom to be exposed below the lower press head 341. The material taking rod 35 and the lower pressing plate 33 can slide smoothly with each other by providing a copper guide sleeve.

Referring to fig. 9, the table 1 is fixedly connected with a lead screw linear module 61 which is located outside a slide rail 71, and the length direction of the lead screw linear module 61 is parallel to the length direction of the table 1. The top of the lead screw linear module 61 is provided with a sliding table 611, and the sliding table 611 is fixedly connected with the second fixing plate 31 through a connecting plate. The sliding of the sliding table 611 on the linear lead screw module 61 drives the second fixing plate 31, and further drives the assembly component 3 to slide along the sliding rail 71, and move to the position right above the bottom mold plate 4 or the material receiving plate 5. In addition, a sensing piece 612 is arranged on the outer side of the sliding table 611, a sliding groove 613 extending along the length direction of the linear lead screw module 61 is arranged on the outer side surface of the linear lead screw module, and a U-shaped groove photoelectric switch 614 corresponding to the sensing piece 612 is connected to the sliding groove 613 through screws. When the sliding table 611 carries the sensing piece 612 to move to the U-shaped groove photoelectric switch 614, the lead screw linear module 61 receives a signal to stop operating, and then the sliding table 611 stops moving, and the assembly component 3 stops moving. The assembly module 3 can be controlled to stop at a designated position by adjusting the position of the U-shaped groove photoelectric switch 614 on the sliding groove 613.

Referring to fig. 9 and 10, the base mold plate 4 is fixedly attached to the table 1 for placing the ingredient unit 9. The bottom template 4 comprises a plurality of working units arranged in an array, which are matched with the dosing units 9. Specifically, in this embodiment, the working unit includes a bar hole 44 penetrating through the bottom mold plate 4, two pairs of inclined bottom grooves 41 symmetrically disposed at both sides of the bar hole 44, and two pairs of flat bottom grooves 42 symmetrically disposed at both sides of the bar hole 44. The inclined bottom grooves 41 and the flat bottom grooves 42 on the same side of the bar hole 44 are alternately arranged and correspond to each other. The bottom of the inclined bottom groove 41 is inclined to the corresponding flat bottom groove 42, i.e. the side of the bottom of the inclined bottom groove 41 adjacent to the corresponding flat bottom groove 42 is a low side. At the lower side of the bottom of the slanted bottom slot 41, a stopper 411 is provided, extending upward and having a chamfered surface, the chamfered surface of the stopper 411 facing the corresponding flat bottom slot 42.

Referring to fig. 10, the working unit further includes receiving grooves 45, the receiving grooves 45 corresponding to the flat bottom grooves 42 one to one; each receiving groove 45 is open at the bottom of the corresponding flat bottom groove 42 and extends vertically inward of the bottom form 4. Each accommodating groove 45 is provided with a positioning pin 46, and the bottom of the positioning pin 46 is connected with the bottom of the accommodating groove 45 through an elastic piece (such as a spring).

Referring to fig. 10, the bottom form 4 is further provided with a plurality of guide holes 43 into which the guide posts 25 are inserted. In the present embodiment, the guide holes 43 are through holes penetrating the bottom mold plate 4; four guide holes 43 are arranged and symmetrically distributed on the bottom template 4; each guide hole 43 is located between two working units.

When the dosing unit 9 is placed on the bottom template 4: the inclined bottom groove 41 is used for receiving the outer frame 91, and the stopper 411 is positioned in the inner ring of the outer frame 91; the flat bottom slot 42 is used for bearing the inner frame 92; the bar hole 44 corresponds to the connecting rod 93 and is located below the connecting rod 93; after the connecting rods 93 are separated from the outer frame 91 and the inner frame 92, the connecting rods 93 may fall below the bottom mold plate 4.

Referring to fig. 11, a waste discharge passage 72 with an outlet end exposed outside the housing 8 is arranged below the working platform 1, a waste discharge hole (not shown) is formed in the working platform 1 below the bottom formwork 4, and an inlet end of the waste discharge passage 72 is communicated with the waste discharge hole; therefore, the connecting rod 93 separated from the outer frame 91 and the inner frame 92 falls from the bar hole 44 to the waste hole, enters the waste discharge passage 72 through the waste hole, and finally is discharged out of the system along the waste discharge passage 72.

Referring to fig. 11, to keep the bed plate 4 clean, debris is removed; a plurality of nozzles 73 are fixed to the assembly unit 3 in a downward direction. Specifically, a nozzle connecting strip 74 arranged horizontally is fixedly connected between the two vertical plates 311; the nozzle link 74 has a lengthwise direction parallel to the lengthwise direction of the second fixing plate 31. The plurality of nozzles 73 are fixed to the nozzle link 74 and arranged at equal intervals in the longitudinal direction of the nozzle link 74.

Referring to fig. 12, the material receiving plate 5 is provided with a plurality of blanking through holes 51 for receiving the scissors foot finished product; the plurality of blanking through holes 51 are arranged in an array, and the openings of the blanking through holes 51 on the lower surface of the material receiving plate 5 are communicated with the packaging bags. The material receiving plate 5 is connected to the workbench 1 through a lifting cylinder 52; specifically, two lifting cylinders 52 are symmetrically and fixedly connected below the workbench 1 through supports, and piston rods of the lifting cylinders 52 extend upwards and penetrate through a material receiving plate through hole formed in the workbench 1 to be connected to the lower surface of the material receiving plate 5; the receiving plate 5 can be lifted or hidden under the table 1 by the driving of the lifting cylinder 52.

In addition, in order to enable the system to operate smoothly, the system is also provided with an electric control device, an operation panel, an indicator light, a tank chain and other devices; at the same time, movable wheels and support feet are arranged below the shell 8 to move or fix the system. These devices are all of conventional structure and will not be described herein.

The application principle of the accurate equipment system of scissors foot of this application:

1. driving the manipulator to place the batching unit 9 on the bottom template 4; wherein, the outer frame 91 is arranged in the inclined bottom groove 41, the stop 411 is arranged in the inner ring of the outer frame 91, the inner frame 92 is arranged in the flat bottom groove 42, and the connecting rod 93 is arranged on the strip hole 44.

2. The piston rod of the cylinder 62 retracts to drive the first fixing plate 21, so as to drive the cutting assembly 2 to slide along the slide rail 71 and move to a position right above the bottom template 4. At this time, the piston rod of the first elevation drive mechanism 26 is retracted.

3. Starting the first lifting driving mechanism 26 to eject the piston rod of the first lifting driving mechanism, and driving the cutter pressing plate 22, the first pressing block 23 arranged on the cutter pressing plate, the cutter 24 and the guide post 25 to move downwards together; because the lower end surface of the guide post 25 is the lowest, the guide post 25 firstly contacts the bottom template 4 and is inserted into the corresponding guide hole 43, so that the guiding and positioning functions are realized; therefore, the cutting position of the cutter 24 is more accurate, and the cutting precision is higher. Then the first pressing block 23 contacts the batching unit 9 on the bottom template 4, the inclined bottom pressing head 231 presses the outer frame 91 in the inclined bottom groove 41, and the flat bottom pressing head 232 presses the inner frame 92 in the flat bottom groove 42, so that the batching unit 9 is fixed, the situation that the batching unit 9 is displaced when the cutting is carried out later is reduced, and the cutting precision is improved.

4. The cutter pressing plate 22 is further pressed downwards, the cutter pressing plate 22 and the first pressing block 23 slide relatively under the guidance of the guide shaft 27, and the spring part sleeved on the guide shaft 27 is compressed. The cutter 24 continues to be pressed downwards and the blade 241 contacts the dosage unit 9 and cuts the outer frame 91 and the inner frame 92 off the connecting rod 93; the connecting rod 93 falls and is discharged out of the system through the bar hole 44 and the waste channel 72. Meanwhile, after the outer frame 91 is cut, it is tilted by the effect of the inclined bottom ram 231 and attached to the bottom of the inclined bottom groove 41.

5. The piston rod of the first lifting driving mechanism 26 retracts to drive the cutter pressing plate 22, the first pressing block 23 arranged on the cutter pressing plate, the cutter 24 and the guide post 25 to move upwards together to return to the initial position; at the same time, the spring element on the guide shaft 27 returns to return the cutter presser plate 22 and the first presser piece 23 to the original distance. The piston rod of the cylinder 62 is ejected to drive the cutting assembly 2 to leave the position right above the bottom die plate 4.

6. The linear lead screw module 61 is started to drive the sliding table 611 to slide, so as to drive the second fixing plate 31, further drive the assembly component 3 located above the material receiving plate 5 to slide along the sliding rail 71, and move to the position right above the bottom template 4. At this time, the piston rods of the second elevation drive mechanism 36 and the third elevation drive mechanism 37 are retracted, and the upper platen 32 and the lower platen 33 are attached together.

7. A piston rod of the second lifting driving mechanism 36 is ejected out to drive the upper pressing plate 32, the lower pressing plate 33, the second pressing block 34 and the material taking rod 35 which are arranged on the upper pressing plate and the lower pressing plate to move downwards; and simultaneously, the piston rod of the third lifting driving mechanism 37 is also ejected out, so that the lower pressing plate 33 is driven to further move downwards. At this time, the lower press plate 33 is separated from the upper press plate 32, and the second press block 34 and the take-out rod 35 slide relative to each other, and the lower end surface of the lower press head 341 is lower than the lower end surface of the take-out rod 35. Therefore, the lower press head 341 contacts the batching unit 9 on the bottom die plate 4 before the material taking rod 35 and fixes the inner frame 92; at this time, the third elevation driving mechanism 37 is released, the piston rod of the second elevation driving mechanism 36 continues to push downward, the upper pressing plate 32 continues to move downward and is attached to the lower pressing plate 33 again, the free end of the material taking rod 35 penetrates through the lower pressing head 341 and is smoothly inserted into the inner ring of the corresponding inner frame 92, and the positioning pin 46 is pushed into the accommodating groove 45.

8. The piston rod of the second lifting driving mechanism 36 retracts to drive the upper pressing plate 32, the lower pressing plate 33, the second pressing block 34 and the material taking rod 35 to move upwards to return to the initial position; at this time, the inner frame 92 is fitted over the pickup bar 35 and moves together therewith.

9. The screw rod linear module 61 is started to drive the upper pressing plate 32, the lower pressing plate 33, the second pressing block 34 and the material taking rod 35 to horizontally move together, so that the inner frame 92 sleeved on the material taking rod 35 moves to the position right above the outer frame 91. The piston rod of the second elevation drive mechanism 36 is ejected again, and the piston rod of the third elevation drive mechanism 37 is partially ejected, so that the inner frame 92 is attached to the outer frame 91 by the coarse adjustment and the fine adjustment.

10. The linear lead screw module 61 is started again, the material taking rod 35 is driven to carry the inner frame 92 to make slight horizontal displacement (the displacement direction is consistent with the horizontal displacement direction in the step 9), so that the rotating shaft 921 on one side of the inner frame 92 is clamped into the shaft groove 911 on the high side of the outer frame 91, and meanwhile, the outer frame 91 is translated. Since the stopper 411 is located in the inner ring of the outer frame 91, the portion of the outer frame 91 at the lower side is pulled away by the stopper 411 by the translation of the outer frame 91 and is gradually lifted up by the guidance of the oblique section of the stopper 411 and the engagement of the groove bottom of the oblique bottom groove 41. The outer frame 91 is pulled open, facilitating the inner frame 92 to enter the inner ring of the outer frame 91; meanwhile, since the portion of the outer frame 91 at the low side gradually becomes horizontal, the rotation shaft 921, which is not engaged with the inner frame 92, is engaged with the corresponding shaft groove 911 of the outer frame 91, thereby completing the assembly of the inner frame 92 and the outer frame 91.

11. The piston rods of the second elevation driving mechanism 36 and the third elevation driving mechanism 37 are retracted, so that the material taking rod 35 moves upwards with the assembled scissor feet. The linear lead screw module 61 is started again to drive the assembly component 3 and the loaded scissor feet to horizontally move right above the material receiving plate 5. The material receiving plate 5 is driven by the lifting cylinder 52 to ascend and approach the material taking rod 35; the piston rods of the second lifting driving mechanism 36 and the third lifting driving mechanism 37 are all completely ejected out, so that the material taking rod 35 is close to the blanking through hole 51, and the material taking rod 35 and the lower press head 341 move relatively; the lower press head 341 pulls the assembled scissors legs down from the material taking bar 35, so that the scissors fall into the blanking through hole 51 and enter the packaging bag to realize collection. The lifting cylinder 52 lifts the material receiving plate 5, so that the falling stroke of the assembled scissor feet is reduced, and the scissor feet can smoothly fall into the blanking through holes 51 and enter the packaging bag.

Example 2

The embodiment of the application discloses accurate equipment system of scissors foot. This embodiment is substantially the same as embodiment 1 except that, referring to fig. 13, the present scissors foot precision assembling system does not provide the air cylinder 62 but replaces it with the screw 64. Specifically, two screw rods 64 are horizontally arranged on the workbench 1, and the two screw rods 64 are symmetrically arranged on two sides of the cutting assembly 2 and are respectively positioned on the inner sides of the corresponding slide rails 71; each lead screw 64 extends in the length direction of the table 1. One end of each screw rod 64 is connected with a motor 65 which is fixedly connected on the corresponding bracket 11 and is positioned beside the material receiving plate 5, and the other end is in threaded connection with a second connecting block 29 which is arranged on the lower surface of the first fixing plate 21. Through the matching rotation of the two screw rods 64, the first fixing plate 21 can be driven, and then the cutting assembly 2 is driven to slide along the slide rail 71 and move to the position right above the bottom template 4. Meanwhile, the workbench 1 is also provided with laser range finders 66 which are in one-to-one correspondence with the second connecting blocks 29, and the laser range finders 66 are positioned below the corresponding screw rods 64. The laser distance measuring instrument 66 is used for measuring the distance from the laser distance measuring instrument to the corresponding second connecting block 29, further obtaining the position parameters of the cutting assembly 2 and positioning the cutting assembly; when the distance between the second connecting block 29 and the laser distance measuring instrument 66 reaches the preset distance, the motor 65 stops driving, and the cutting assembly 2 stops moving and stops at the designated position.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Accurate equipment system of scissors foot, its characterized in that: comprises a workbench (1), a bottom template (4) fixedly connected on the workbench (1), and a cutting assembly (2) and an assembling assembly (3) which are respectively connected on the workbench (1) in a sliding way and can move above the bottom template (4);

the cutting assembly (2) is provided with a cutter pressing plate (22) and a first lifting driving mechanism (26); the cutter pressing plate (22) is driven by a first lifting driving mechanism (26) to press downwards, a cutter (24) and a guide pillar (25) are connected to the lower surface of the cutter pressing plate (22), and the lower end surface of the guide pillar (25) is lower than the cutter (24);

the assembly component (3) is provided with an upper pressure plate (32) and a second lifting driving mechanism (36); the upper pressing plate (32) is driven by a second lifting driving mechanism (36) to press downwards, and the lower surface of the upper pressing plate (32) is connected with a material taking rod (35);

the bottom template (4) comprises a plurality of working units, each working unit comprises a plurality of inclined bottom grooves (41) and a plurality of flat bottom grooves (42), and the inclined bottom grooves (41) correspond to the flat bottom grooves (42) one by one; the bottom of the inclined bottom groove (41) inclines towards the corresponding flat bottom groove (42), and a stop block (411) is arranged at the lower side of the bottom of the groove; the bottom template (4) is also provided with a guide hole (43) for inserting the guide post (25);

the bottom template (4) is used for placing a batching unit (9), the batching unit (9) comprises an outer frame (91), an inner frame (92) and a connecting rod (93) for connecting the outer frame and the inner frame, the outer frame (91) is placed in the inclined bottom groove (41) and sleeved outside the stop block (411), and the inner frame (92) is placed in the flat bottom groove (42); the cutting knife (24) is used for cutting the batching unit (9); the material taking rod (35) is inserted into the inner frame (92) and clamped into the outer frame (91).

2. The scissors foot precision assembly system of claim 1, wherein: the cutting assembly (2) further comprises a first fixing plate (21) and a first pressing block (23);

the first fixing plate (21) is connected to the workbench (1) in a sliding manner and can slide to the upper part of the bottom template (4); the first lifting driving mechanism (26) is an air cylinder and is fixedly connected to the first fixing plate (21), and a piston rod of the first lifting driving mechanism extends downwards through the first fixing plate (21) and then is connected with the cutter pressing plate (22);

the first pressing block (23) is connected to the lower surface of the cutter pressing plate (22) in a sliding mode through a guide shaft (27), and the lower end face of the first pressing block (23) is lower than the lower end face of the cutter (24) but higher than the lower end face of the guide post (25).

3. The scissors foot precision assembly system of claim 2, wherein: the first pressing block (23) is provided with an inclined bottom pressing head (231) corresponding to the inclined bottom groove (41) and a flat bottom pressing head (232) corresponding to the flat bottom groove (42).

4. The scissors foot precision assembly system of claim 2, wherein: the guide shaft (27) is sleeved with a spring piece.

5. The scissors foot precision assembly system of claim 1, wherein: the assembly component (3) further comprises a second fixing plate (31), a lower pressing plate (33), a second pressing block (34) and a third lifting driving mechanism (37);

the second fixing plate (31) is connected to the workbench (1) in a sliding manner and can slide to the upper part of the bottom template (4); the second lifting driving mechanism (36) is an electric cylinder, is fixedly connected to the second fixing plate (31), and is connected with the upper pressure plate (32) after a piston rod of the second lifting driving mechanism extends downwards through the second fixing plate (31);

the third lifting driving mechanism (37) is an air cylinder, is fixedly connected to the upper pressure plate (32), and is connected with the lower pressure plate (33) after a piston rod of the third lifting driving mechanism extends downwards through the upper pressure plate (32);

the second pressing block (34) is connected to the lower surface of the lower pressing plate (33), the second pressing block (34) is provided with a lower pressing head (341), and the material taking rod (35) penetrates through the lower pressing head (341) from top to bottom and is exposed below the lower pressing head (341).

6. The scissors foot precision assembly system of claim 1, wherein: the working unit further comprises a plurality of holes (44), and the holes (44) are located below the connecting rods (93) and penetrate through the bottom template (4).

7. The scissors foot precision assembly system of claim 6, wherein: the work unit still includes a plurality of holding tanks (45) of seting up on die block board (4), holding tank (45) and flat bottom groove (42) one-to-one, and the opening of holding tank (45) is located the bottom in flat bottom groove (42).

8. The scissors foot precision assembly system of claim 1, wherein: the device also comprises a screw rod linear module (61) fixedly connected on the workbench (1); the screw rod linear module (61) is provided with a sliding table (611), and the sliding table (611) is connected with the assembly component (3) through a connecting plate; and the screw rod linear module (61) drives the assembly component (3) to move above the bottom template (4).

9. The scissors foot precision assembly system of claim 8, wherein: the cutting machine further comprises an air cylinder (62) horizontally arranged on the workbench (1), and a piston rod of the air cylinder (62) abuts against a first connecting block (28) installed on the cutting assembly (2); the air cylinder (62) drives the cutting assembly (2) to move above the bottom template (4);

the workbench (1) is also provided with a buffer piece (63) which is positioned at the tail end of the motion path of the first connecting block (28) and used for enabling the first connecting block (28) to stop stably.

10. The scissors foot precision assembly system of claim 8, wherein: the cutting machine is characterized by further comprising two lead screws (64) which are horizontally arranged on two sides of the cutting assembly (2) respectively, wherein one end of each lead screw (64) is connected with a motor (65), and the other end of each lead screw is in threaded connection with a second connecting block (29) arranged on the cutting assembly (2); the two screw rods (64) are matched with each other to drive the cutting assembly (2) to move above the bottom template (4);

the workbench (1) is also provided with a laser range finder (66) for measuring the distance from the laser range finder to the second connecting block (29).