CN216030297U

CN216030297U - Tight mechanism in top

Info

Publication number: CN216030297U
Application number: CN202121763493.6U
Authority: CN
Inventors: 徐剑
Original assignee: Shanghai Yikun Automobile Equipment Co ltd
Current assignee: Shanghai Yikun Automobile Equipment Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-03-15
Anticipated expiration: 2031-07-30

Abstract

The utility model relates to a tight mechanism in top, including frame and the tight subassembly in top of rack-mounted, the tight subassembly in top includes the tight unit in top, the tight unit in top includes first cylinder, the axle sleeve, transfer line and kicking block, the transfer line is fixed at the piston rod tip of first cylinder and, the axle sleeve cover is established on the transfer line and is fixed with the transfer line, the through-hole has been seted up on the kicking block, the tight subassembly in top still includes auxiliary unit, auxiliary unit includes second cylinder and cushion, the setting of second cylinder perpendicular to first cylinder, the piston rod tip at the second cylinder is fixed to the cushion, the thickness of cushion is not more than the distance that the axle sleeve removed when the top is tight, the axle sleeve includes the portion of cup jointing and fixes the tight dish in top of cup jointing, cup joint portion and transfer line are fixed, the tight dish in top is fixed on cup joint portion lateral wall, the height of cup jointing portion is greater than the thickness of the tight dish in top. This application has the load that can reduce the cylinder, prolongs the life of cylinder, reduces manufacturing cost's effect simultaneously.

Description

Tight mechanism in top

Technical Field

The application relates to the field of automobile parts, in particular to a jacking mechanism.

Background

The tightening mechanism is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in an automobile manufacturing process.

Referring to fig. 1, the conventional jacking mechanism is composed of a first cylinder 1, a shaft sleeve 2, a transmission rod 3 and a jacking block 4, and when the mechanism works, the first cylinder 1 operates to push the transmission rod 3 to move upwards, and the shaft sleeve 2 is fixed with the transmission rod 3 through a screw, so that the transmission rod 3 drives the shaft sleeve 2 to move upwards. The round hole that is used for holding transfer line 3 is offered at kicking block 4 center for when axle sleeve 2 rebound, kicking block 4 can be withstood to the roof of axle sleeve 2, and the work piece of treating the processing is placed kicking block 4 and is deviated from axle sleeve 2 one side, realizes the top tightly.

In view of the above-mentioned related technologies, the inventor thinks that the first cylinder cannot jump or leak due to the fact that the first cylinder is tightly jacked in the whole process, otherwise, the upper jacking block cannot be tightly jacked, which results in that the first cylinder must keep a running state from the beginning to the end of the processing, and the load on the cylinder is large, which shortens the service life of the cylinder and increases the production cost.

SUMMERY OF THE UTILITY MODEL

In order to reduce the load of cylinder, the life of extension cylinder reduces manufacturing cost simultaneously, and this application provides a tight mechanism in top.

The application provides a tight mechanism in top adopts following technical scheme:

a jacking mechanism comprises a rack and at least one jacking assembly arranged on the rack, wherein the jacking assembly comprises at least one jacking unit, the jacking unit comprises a first air cylinder, a shaft sleeve, a transmission rod and a jacking block, the transmission rod is fixedly connected to the end part of a piston rod of the first air cylinder and coaxially arranged with the piston rod of the first air cylinder, the shaft sleeve is sleeved on the transmission rod and fixed with the transmission rod, a through hole for inserting one end of the transmission rod away from the first air cylinder is formed in the jacking block, the projection area of the shaft sleeve is larger than the area of the through hole, the jacking assembly further comprises an auxiliary unit, the auxiliary unit comprises a second air cylinder and a cushion block for supporting the lifted shaft sleeve, the second air cylinder is arranged perpendicular to the first air cylinder, the cushion block is fixed at the end part of the piston rod of the second air cylinder, the shaft sleeve comprises a sleeve joint part and a jacking disc fixed at the top end of the sleeve joint part, and the sleeve joint part is fixed with the transmission rod, the jacking disc is fixed on the side wall of the sleeving part, and the height of the sleeving part is larger than the thickness of the jacking disc.

Through adopting above-mentioned technical scheme, when needing to push up tightly, can be with treating that the work piece of processing is as for the kicking block on, then operate through first cylinder and promote the transfer line rebound, the transfer line drives axle sleeve rebound, and the kicking block is withstood to the roof of the tight dish in top, realizes pushing up tightly. Then operate through the second cylinder and promote the cushion and remove, when the cushion removed the below of tight dish bottom in top, second cylinder and first cylinder all stop to operate for the tight dish in top falls on the cushion, because the support of cushion, and the tight more firm in top, and second cylinder and first cylinder need not operate all the time, have prolonged life, have practiced thrift manufacturing cost.

Optionally, one end, away from the second cylinder, of the cushion block is provided with a yielding groove for accommodating the sleeve joint part, and one end, away from the second cylinder, of the yielding groove is open.

Through adopting above-mentioned technical scheme for the distance that the cushion can remove is bigger, supports the adjacent three direction of tight dish in top, further improves the tight steadiness in top.

Optionally, the auxiliary unit further comprises an anti-dropping plate, a sliding opening for the sleeving part to pass through is formed in the anti-dropping plate, the anti-dropping plate is fixed to one end, away from the second cylinder, of the cushion block, the sliding opening penetrates through the side wall of the anti-dropping plate and is communicated with the yielding groove, the thickness of the anti-dropping plate is smaller than that of the cushion block, and the difference between the thickness of the anti-dropping plate and that of the cushion block is equal to the distance of the upward movement of the jacking disc.

Through adopting above-mentioned technical scheme, when second cylinder operation drove the cushion and resets, the anticreep board can restrict the distance that the cushion removed.

Optionally, the frame includes a hollow cabinet, and the first cylinder is located in the cabinet.

Through adopting above-mentioned technical scheme, the machine case can protect first cylinder, reduces the impaired possibility of first cylinder.

Optionally, install the mounting panel on the machine case, set up the round hole that supplies the portion of cup jointing to pass on the mounting panel, install two piece at least parallel arrangement's of each other first stopper on the mounting panel, cushion and anticreep board set up between two first stoppers, the lateral wall of cushion and anticreep board contacts with the lateral wall of first stopper, the mounting hole that is used for fixed mounting panel is seted up to the machine roof wall, the projected area of mounting panel is greater than the area of mounting hole, the mounting panel deviates from first stopper one side and is fixed with the post of inserting that can pass the mounting hole.

Through adopting above-mentioned technical scheme, first limiting plate is spacing to cushion and anticreep piece, reduces cushion and anticreep piece and slides the possibility that the in-process takes place to incline.

Optionally, two jacking units are provided.

Through adopting above-mentioned technical scheme, the tight unit in top can be treated two positions of work piece of processing and carry out the top simultaneously tightly for the top is tight more firm.

Optionally, the two jacking units are arranged on the same straight line, the auxiliary unit further comprises a connecting rod, the two cushion blocks are arranged on the two cushion blocks and fixed at one end of the connecting rod respectively, and the cushion blocks are arranged on the same side of the jacking units.

Through adopting above-mentioned technical scheme for when second cylinder operation drive rather than the cushion that links to each other removed, the connecting rod was driven by the cushion that links to each other with the second cylinder, and the connecting rod drives another cushion again and removes, makes two cushions of simultaneous drive remove, supports two tight dishes in top of pushing up the tight unit simultaneously, reduces the quantity of second cylinder, further practices thrift the cost.

Optionally, the chassis is provided with a through heat dissipation hole.

Through adopting above-mentioned technical scheme, the louvre is favorable to the heat effluvium that the first cylinder produced in the quick-witted case, further prolongs the life of first cylinder, reduces the cost.

Optionally, two second limiting plates are installed to the mounting panel, and the setting of second limiting plate perpendicular to mounting panel is fixed with the slider on the tight dish in top, and the axle sleeve one end setting is kept away from to the slider is between two second limiting plates and can be followed the slip of second limiting plate direction of height.

Through adopting above-mentioned technical scheme, the second limiting plate is spacing to the slider, and then carries on spacingly to the tight dish in top, reduces the crooked possibility when the tight dish in top reciprocates.

Optionally, the two jacking assemblies are arranged in parallel.

By adopting the technical scheme, the four jacking units can simultaneously jack four parts of the workpiece to be processed tightly, so that the jacking is more stable.

Drawings

FIG. 1 is a schematic view showing the overall structure of a prior art tightening mechanism;

FIG. 2 is a schematic view of the overall structure of the tightening mechanism according to the embodiment of the present application;

FIG. 3 is a schematic view for illustrating the connection between the tightening unit and the auxiliary unit according to the embodiment of the present application;

FIG. 4 is a cross-sectional view taken in the direction B-B of FIG. 3;

FIG. 5 is a schematic view of the connection between the cushion block and the anti-dropping block in the embodiment of the present application;

fig. 6 is an enlarged view of a portion a in fig. 2.

Description of reference numerals: 1. a first cylinder; 2. a shaft sleeve; 21. a socket joint part; 22. tightly pushing the disc; 23. a slider; 3. a transmission rod; 4. a top block; 41. a through hole; 5. a second cylinder; 6. cushion blocks; 61. a receding groove; 7. an anti-drop plate; 71. a sliding port; 8. a chassis; 81. heat dissipation holes; 9. mounting a plate; 91. a circular hole; 92. inserting a column; 10. a first stopper; 11. a connecting rod; 12. a second limiting plate; 13. a base.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses tight mechanism in top.

Referring to fig. 2 and 3, a tight mechanism in top, includes the frame and installs two tight subassemblies in top in the frame, and the frame includes base 13 and two quick-witted casees 8, and base 13 is the metal rectangular plate, and quick-witted case 8 is inside hollow cuboid, and quick-witted case 8 passes through the fix with screw on base 13, and two quick-witted cases 8 are parallel to each other and the interval sets up, and the line of two quick-witted cases 8 and two quick-witted case 8 tip encloses into the square. A plurality of penetrating circular heat dissipation holes 81 are formed in the case 8, so that heat in the case 8 can be dissipated. Two circular mounting holes are formed in the top wall of the case 8, and the mounting holes are used for mounting the jacking assembly.

The tight subassembly in top includes two tight units in top and sets up the auxiliary unit between two tight units in top, and the tight unit in top includes first cylinder 1, axle sleeve 2, transfer line 3, kicking block 4 and mounting panel 9, and mounting panel 9 is the diameter that disc and mounting panel 9 are greater than the diameter of mounting hole, and mounting panel 9 one side integrated into one piece has columniform to insert post 92, and the diameter of inserting post 92 is less than the diameter of mounting hole for insert post 92 can pass the mounting hole, thereby fix mounting panel 9 on quick-witted case 8. First cylinder 1 sets up in quick-witted case 8, and quick-witted case 8 can protect first cylinder 1, reduces the impaired possibility of first cylinder 1, and louvre 81 is favorable to the heat effluvium that first cylinder 1 produced, prolongs first cylinder 1's life, reduces the cost.

The first cylinder 1 is fixed with the insert column 92 through a screw, so that the first cylinder 1 is more stable. Round hole 91 has been seted up in the axle center of mounting panel 9, and transfer line 3 is round rod-shaped, and transfer line 3 passes through the shaft coupling to be fixed at the piston rod tip of first cylinder 1 and with the coaxial setting of the piston rod of first cylinder 1 for the motion energy of first cylinder 1 drives transfer line 3 and reciprocates. The transmission rod 3 has a diameter smaller than the circular hole 91 and thus can pass through the circular hole 91.

Referring to fig. 3 and 4, the transmission rod 3 is fixed to the shaft sleeve 2, the shaft sleeve 2 includes a sleeve portion 21 and a tightening plate 22, the sleeve portion 21 is in a circular tube shape, the inner wall of the sleeve portion 21 and the outer wall of the transmission rod 3 are integrally formed and fixed, and the length of the sleeve portion 21 is smaller than that of the transmission rod 3, so that the top end of the transmission rod 3 is higher than the sleeve portion 21. The tightening plate 22 is annular and is integrally fixed on the peripheral wall of the top end of the sleeve part 21, so that the first cylinder 1 drives the sleeve part 21 to move when operating, and further drives the tightening plate 22 to move. The height of the socket 21 is greater than the thickness of the tightening tray 22, so that a step is formed between the tightening tray 22 and the socket 21.

The ejector block 4 is in a circular plate shape, the ejector block 4 can be arranged on the workbench, a penetrating positioning hole is formed in the workbench, the diameter of the positioning hole is smaller than that of the ejector block 4 and larger than that of the transmission rod 3, and therefore the transmission rod 3 can pass through the positioning hole. The axis of the top block 4 is provided with a through hole 41, and when the top block 4 is arranged on the workbench, the through hole 41 and the positioning hole are coaxially arranged, so that one end of the transmission rod 3, far away from the first cylinder 1, can be inserted. The diameter of the tightening disc 22 is larger than that of the through hole 41, so that the tightening disc 22 cannot penetrate through the through hole 41, and when the first cylinder 1 operates to drive the tightening disc 22 to move upwards, the top wall of the tightening disc 22 props against the jacking block 4, and tightening is realized.

The auxiliary unit comprises a second cylinder 5, two cushion blocks 6 and a connecting rod 11, the second cylinder 5 is fixed on the top wall of the case 8 through screws, the second cylinder 5 is perpendicular to the first cylinder 1, and the cushion blocks 6 are fixed at the end part of a piston rod of the second cylinder 5.

Cushion 6 is kept away from connecting rod 11 one end and has been seted up and let groove 61, and it is uncovered to let groove 61 keep away from connecting rod 11 one end for it is uncovered to hold cup joint portion 21, makes the distance that cushion 6 can remove bigger, thereby supports the adjacent three direction of tight dish 22 in top, further improves the tight steadiness in top.

Referring to fig. 4 and 5, cushion 6 is close to and moves back groove 61 open end integrated into one piece and has anticreep board 7, anticreep board 7's thickness is less than cushion 6's thickness, set up the slippery fell 71 that supplies to cup joint portion 21 to pass on the anticreep board 7, slippery fell 71 runs through anticreep board 7's lateral wall and with move back and let groove 61 intercommunication for cushion 6 and anticreep board 7 can cup joint portion 21 relatively and remove, when second cylinder 5 function drive cushion 6 resets, anticreep board 7 can restrict the distance that cushion 6 removed. The difference between the thickness of the anti-falling plate 7 and the thickness of the cushion block 6 is equal to the upward movement distance of the jacking disc 22, so that when jacking is not needed, the jacking disc 22 is positioned on the anti-falling plate 7. When needing the top tightly, the tight dish 22 of top moves up with the tight back in kicking block 4 top, operate through second cylinder 5 and promote cushion 6 to move, when cushion 6 moves the below of the tight dish 22 bottom in top, second cylinder 5 and first cylinder 1 all stop working, make the tight dish 22 in top fall on cushion 6, because the support of cushion 6, the tight more firm in top, and second cylinder 5 and first cylinder 1 need not operate all the time, and the service life is prolonged, and the production cost is saved.

Two tight units in top set up on same straight line, and two positions that two tight units in top can treat the work piece of processing are pushed up tightly simultaneously for it is more firm to push up tightly. Two cushion 6 fix respectively at one of them tip of connecting rod 11, two cushion 6 set up the homonymy at the tight unit in top, make the second cylinder 5 drive when operation and its continuous cushion 6 remove, connecting rod 11 is driven by the cushion 6 that links to each other with second cylinder 5, connecting rod 11 drives another cushion 6 again and removes, make two cushion 6 removals of second cylinder 5 simultaneous drive, support the tight dish 22 in top of two tight units in top simultaneously, reduce the quantity of second cylinder 5, further practice thrift the cost.

Referring to fig. 3, there are two first stopper 10 of parallel arrangement of each other through the fix with screw on the mounting panel 9, first stopper 10 is the cuboid block, two first stopper 10 set up relatively, cushion 6 and anticreep board 7 set up between two first stoppers 9, the lateral wall of cushion 6 and anticreep board 7 and the lateral wall contact of first stopper 10, first limiting plate 10 is spacing to cushion 6 and anticreep piece 7, reduce cushion 6 and anticreep piece 7 and slide the in-process and take place crooked possibility.

Referring to fig. 6, there are two second limiting plates 12 through the fix with screw on the mounting panel 9, second limiting plate 12 is the cuboid, second limiting plate 12 perpendicular to mounting panel 9 sets up, be fixed with slider 23 on the tight dish 22 in top, slider 23 is kept away from the tight dish 22 one end in top and is set up between two second limiting plates 12 and can be followed the slip of second limiting plate 12 direction of height, second limiting plate 12 is spacing to slider 23, and then carry on spacingly to the tight dish 22 in top, reduce the tight dish 22 in top and reciprocate the crooked possibility.

The two jacking components are arranged in parallel and oppositely, so that the four jacking units can jack four parts of the workpiece to be processed simultaneously, and the jacking is more stable.

The implementation principle of a tight mechanism in top of this application embodiment does: when the jacking device needs to be jacked tightly, a workpiece to be machined can be placed on the jacking block 4, then the first air cylinder 1 operates to push the transmission rod 3 to move upwards, the transmission rod 3 drives the shaft sleeve 2 to move upwards, and the top wall of the jacking disc 22 jacks the jacking block 4 to realize jacking tightly. Then operate through second cylinder 5 and promote cushion 6 to remove, when cushion 6 removed the below of the tight dish 22 bottom in top, second cylinder 5 and first cylinder 1 all stop to operate for the tight dish 22 in top falls on cushion 6, because the support of cushion 6, the top is tight to be more firm, and second cylinder 5 and first cylinder 1 need not operate all the time, have prolonged life, have practiced thrift manufacturing cost.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a tight mechanism in top, including the frame with install the tight subassembly in at least one top in the frame, the tight subassembly in top includes the tight unit in at least one top, the tight unit in top includes first cylinder (1), axle sleeve (2), transfer line (3) and kicking block (4), transfer line (3) fixed connection at the tailpiece of the piston rod portion of first cylinder (1) and with the coaxial setting of the piston rod of first cylinder (1), axle sleeve (2) and transfer line (3) are fixed, offer on kicking block (4) and supply transfer line (3) to keep away from first cylinder (1) one end male through-hole (41), the projection area of axle sleeve (2) is greater than the area of through-hole (41), its characterized in that: the tight subassembly in top still includes auxiliary unit, auxiliary unit includes second cylinder (5) and is used for carrying out cushion (6) that support to axle sleeve (2) after rising, the first cylinder of second cylinder (5) perpendicular to (1) sets up, the tailpiece of the piston rod portion in second cylinder (5) is fixed in cushion (6), axle sleeve (2) including cup joint portion (21) with fix the tight dish (22) in top of cup joint portion (21), cup joint portion (21) and transfer line (3) are fixed, the tight dish (22) in top is fixed on cup joint portion (21) lateral wall, the height that cup joints portion (21) is greater than the thickness of the tight dish (22) in top.

2. The tightening mechanism according to claim 1, wherein: the end, far away from the second cylinder (5), of the cushion block (6) is provided with a yielding groove (61) used for accommodating the sleeve joint part (21), and the end, far away from the second cylinder (5), of the yielding groove (61) is open.

3. A tightening mechanism according to claim 2, wherein: the auxiliary unit still includes anticreep board (7), offers spout (71) that supplies cup joint portion (21) to pass on anticreep board (7), second cylinder (5) one end is kept away from in cushion (6) are fixed in anticreep board (7), spout (71) run through the lateral wall of anticreep board (7) and with retreat groove (61) intercommunication, the thickness of anticreep board (7) is less than the thickness of cushion (6), the difference between the thickness of anticreep board (7) and cushion (6) equals the distance of tight dish (22) rebound in top.

4. A tightening mechanism according to claim 3, wherein: the frame comprises a case (8) with a hollow inner part, and the first cylinder (1) is positioned in the case (8).

5. The tightening mechanism according to claim 4, wherein: install mounting panel (9) on quick-witted case (8), set up round hole (91) that supply cup joint portion (21) to pass on mounting panel (9), install two piece at least parallel arrangement's of each other first stopper (10) on mounting panel (9), cushion (6) and anticreep board (7) set up between two first stoppers (10), the lateral wall of cushion (6) and anticreep board (7) contacts with the lateral wall of first stopper (10), the mounting hole that is used for fixed mounting panel (9) is seted up to quick-witted case (8) roof, the area of projection area of mounting panel (9) is greater than the area of mounting hole, mounting panel (9) deviate from first stopper (10) one side and are fixed with inserted column (92) that can pass the mounting hole.

6. The tightening mechanism according to claim 1, wherein: the jacking units are two.

7. The tightening mechanism according to claim 5, wherein: two tight unit setting in top still includes connecting rod (11), and cushion (6) set up two and two cushion (6) and fix respectively in one of them tip of connecting rod (11), and cushion (6) set up the homonymy at tight unit in top.

8. The tightening mechanism according to claim 4, wherein: and the chassis (8) is provided with a through heat dissipation hole (81).

9. The tightening mechanism according to claim 5, wherein: install two second limiting plate (12) on mounting panel (9), second limiting plate (12) perpendicular to mounting panel (9) set up, are fixed with slider (23) on axle sleeve (2), and axle sleeve (2) one end setting is kept away from in slider (23) between two second limiting plate (12) and can slide along second limiting plate (12) direction of height.

10. The tightening mechanism according to claim 1, wherein: the two jacking components are arranged in parallel.