CN218052190U

CN218052190U - Metal workpiece clamping device

Info

Publication number: CN218052190U
Application number: CN202220952831.9U
Authority: CN
Inventors: 孙金魁
Original assignee: Nanjing Shenliu Mechanical Equipment Manufacturing Co ltd
Current assignee: Nanjing Shenliu Mechanical Equipment Manufacturing Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-12-16
Anticipated expiration: 2032-04-24

Abstract

The utility model relates to a metal work piece processing technology field, and a metal work piece clamping device is disclosed, including two bases, the equal fixed backup pad that is equipped with in the opposite one end of terminal surface of two bases, the lateral wall of two backup pads is all fixed to be pegged graft and is had electric cylinder, the equal fixedly connected with mounting box of output of two electric cylinder, two mounting boxes all are connected with fixture, the equal fixedly connected with guide bar in lateral wall both ends of the opposite one side of two mounting boxes, the equal common fixedly connected with fly leaf in the rod end of two guide bars of homonymy, the top of two fly leaves all is equipped with the L shaped plate. The metal workpiece that this application can be as required centre gripping carries out nimble regulation in advance to centre gripping protrusion distance, ensures under the sufficient condition of clamp force, prevents to cause the damage because of the clamp force is too big to metal workpiece, can improve the application scope of centre gripping simultaneously, is convenient for exist to can fix a position metal workpiece.

Description

Metal workpiece clamping device

Technical Field

The application relates to the technical field of metal workpiece machining, in particular to a metal workpiece clamping device.

Background

When a metal workpiece is machined, the metal workpiece needs to be stably clamped by a clamping device, so that a worker can conveniently machine the workpiece through external equipment.

The patent publication No. CN212706364U discloses a metal workpiece clamping device, which comprises a base, wherein two mounting boxes are mounted at the top of the base, a bidirectional screw rod is mounted on the inner side of each mounting box, and moving blocks are meshed with the outer walls of two opposite threaded parts of each bidirectional screw rod; the metal workpiece clamping device disclosed by the patent can be flexibly adjusted according to a workpiece when used, but in the actual use process, when the telescopic hydraulic cylinder controls the clamping plate to clamp the workpiece, the workpiece processed according to needs cannot be controlled to control the clamping force, when the clamping force is too large, the workpiece is easily damaged, the clamping force is too small, the workpiece is easily clamped unstably, and the normal processing of the metal workpiece is influenced, so that the metal workpiece clamping device is provided.

SUMMERY OF THE UTILITY MODEL

The purpose of this application is in order to solve among the prior art when the control pinch-off blades presss from both sides tightly the work piece, the size of the work piece control clamp force that can't control processing as required, when the clamp force is too big, easily causes the work piece damage, and the clamp force undersize easily leads to the work piece centre gripping unstability again, influences the problem of metal workpiece's normal processing, and a metal workpiece clamping device who provides.

In order to achieve the purpose, the following technical scheme is adopted in the application:

the utility model provides a metal workpiece clamping device, includes two bases, two the equal fixed backup pad that is equipped with of the opposite one end of terminal surface of base, two the lateral wall of backup pad is all fixed to be pegged graft and is had electric cylinder, two the equal fixedly connected with mounting box of electric cylinder's the equal fixedly connected with mounting box of output, two the mounting box all is connected with fixture, two the equal fixedly connected with guide bar in lateral wall both ends of the opposite one side of mounting box, homonymy two the equal common fixedly connected with fly leaf of rod end of guide bar, two the top of fly leaf all is equipped with L shaped plate, two the equal sliding connection of horizontal part lower extreme of L shaped plate has the movable block, two the lateral wall of movable block is all fixed to be pegged graft and is had travel switch.

By adopting the technical scheme, the metal workpiece clamped according to the requirement can flexibly adjust the clamping extending distance in advance, and the metal workpiece is prevented from being damaged due to overlarge clamping force under the condition of ensuring enough clamping force.

Preferably, the two sides of the end face of one of the bases are fixedly connected with the insertion plates, the end face of the other base is provided with two insertion grooves, the side walls of the two insertion plates are slidably connected with the groove walls of the insertion grooves on the same side, and the two insertion plates and the bases on the same side are jointly connected with the locking mechanism.

By adopting the technical scheme, the distance between the two bases can be adjusted, so that the application range of clamping the metal workpiece can be enlarged, and the occupied space can be reduced when the metal workpiece is not used.

Preferably, two positioning grooves are formed in one opposite side of the upper end of the base, each positioning groove is internally and rotatably connected with an adjusting screw rod, each rod wall of each adjusting screw rod is in threaded connection with a positioning block, and the positioning blocks are located in the positioning grooves in a sliding mode.

By adopting the technical scheme, the front side and the rear side of the metal workpiece can be positioned through the positioning blocks, and the metal workpiece can be clamped in an auxiliary manner in the subsequent process, so that the clamping stability is improved.

Preferably, the inside of two L shaped plate all rotates and is equipped with drive screw, two drive screw's pole wall all with the lateral wall threaded connection of homonymy movable block.

By adopting the technical scheme, the position of the travel switch can be stably adjusted.

Preferably, each locking mechanism comprises a locking rod fixedly arranged on the side wall of the insertion plate, and a locking nut is connected to the rod wall of the locking rod through threads.

By adopting the technical scheme, the base and the plug board can be locked and fixed.

Preferably, the rod walls of the two locking rods are movably sleeved with anti-skidding blocks.

By adopting the technical scheme, the stability of the locking nut after locking can be improved.

Preferably, the horizontal planes of the upper ends of the two movable plates are higher than the horizontal plane of the upper end of the travel switch on the same side.

By adopting the technical scheme, the movable plate can be ensured to impact and trigger the travel switch.

Compared with the prior art, the application provides a metal workpiece clamping device, possesses following beneficial effect:

1. this metal workpiece clamping device, through two bases that are equipped with, two backup pads, two electric cylinder, two mounting boxes, two fixture mutually support, can carry out the centre gripping to metal workpiece, through four guide bars that are equipped with, two fly leafs, two L shaped plates, two movable blocks and two travel switch mutually support, the metal workpiece that can the centre gripping as required is to the centre gripping distance of stretching out nimble regulation in advance, ensures under the sufficient condition of clamp force, prevents to cause the damage because of the clamp force is too big to metal workpiece.

2. This metal workpiece clamping device through mutually supporting of two plugboards and two locking mechanism that are equipped with, can carry out the regulation in the certain limit to the distance between two bases to can improve the application scope of centre gripping, also can reduce the space and occupy during daily existence, through two adjusting screw and two locating pieces that are equipped with, can fix a position metal workpiece's both sides, and supplementary two clamp structure to metal workpiece's centre gripping, improve centre gripping stability.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, and the metal work piece that this application can centre gripping as required carries out nimble regulation in advance to centre gripping protrusion distance, guarantees under the sufficient condition of clamp force, prevents to cause the damage to metal work piece because of the clamp force is too big, can improve the application scope of centre gripping simultaneously, is convenient for exist to can fix a position metal work piece.

Drawings

FIG. 1 is a schematic structural view of a metal workpiece clamping device according to the present application;

FIG. 2 is a schematic view of a connection structure between the L-shaped plate and the movable plate on the same side in FIG. 1;

fig. 3 is a schematic side view of the positioning block of fig. 1.

In the figure: 1. a base; 2. a support plate; 3. an electric oil cylinder; 4. mounting a box; 5. a clamping mechanism; 6. a guide bar; 7. a movable plate; 8. an L-shaped plate; 9. a movable block; 10. a travel switch; 11. a plugboard; 12. adjusting the screw rod; 13. positioning blocks; 14. a drive screw; 15. a locking lever; 16. locking the nut; 17. and (4) an anti-skid block.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

Embodiment 1 refers to fig. 1-3, a metal workpiece clamping device, including two bases 1, the opposite one end of terminal surface of two bases 1 is all fixed and is equipped with backup pad 2, the lateral wall of two backup pads 2 is all fixed the pegging graft and is equipped with electric cylinder 3, the equal fixedly connected with mounting box 4 of output of two electric cylinder 3, two mounting boxes 4 are all connected with fixture 5, the equal fixedly connected with guide bar 6 in lateral wall both ends of the opposite one side of two mounting boxes 4, the common fixedly connected with fly leaf 7 of the rod end of two guide bar 6 of homonymy, the top of two fly leaf 7 all is equipped with L shaped plate 8, the equal sliding connection of horizontal part lower extreme of two L shaped plate 8 has movable block 9, the lateral wall of two movable block 9 is all fixed the pegging graft and is equipped with travel switch 10, wherein fixture 5's specific structure can refer to patent (CN 212706364U) and set up, do not make too much repeated description herein.

The inside of two L shaped plates 8 all rotates and is equipped with drive screw 14, and the pole wall of two drive screw 14 all with the lateral wall threaded connection of homonymy movable block 9, through rotating drive screw 14, because movable block 9 slides on homonymy L shaped plate 8, so can drive movable block 9 and remove on the L shaped plate 8 to can stabilize the regulation to travel switch 10's position.

The upper end horizontal planes of the two movable plates 7 are both arranged higher than the upper end horizontal plane of the travel switch 10 on the same side, and by means of the arrangement, the movable plates 7 can be ensured to impact and trigger the travel switch 10.

Embodiment 2 is as shown in fig. 1-3 on the basis of embodiment 1, the equal fixedly connected with plugboard 11 in terminal surface both sides of one of them base 1, and two inserting grooves have been seted up to the terminal surface of another base 1, the lateral wall of two plugboards 11 all with the cell wall sliding connection of homonymy plugboard, two plugboards 11 all are connected with locking mechanism with homonymy base 1 jointly, through two plugboards 11, can adjust the distance between two bases 1, thereby can improve the application scope to metal workpiece centre gripping, when not using, can reduce occupation space.

Every locking mechanism all includes fixed locking lever 15 that sets up in plugboard 11 lateral wall, and the pole wall threaded connection of locking lever 15 has lock nut 16, through lock nut 16 cooperation lock lever 15, can lock fixedly base 1 and plugboard 11.

The rod walls of the two locking rods 15 are movably sleeved with the anti-slip blocks 17, and the stability of the locking nuts 16 after locking can be improved through the anti-slip blocks 17.

Embodiment 3 is as shown in fig. 1 to 3 on the basis of embodiment 1, two positioning grooves are respectively formed in opposite sides of upper ends of two bases 1, each positioning groove is rotatably connected with an adjusting screw 12, a rod wall of each adjusting screw 12 is connected with a positioning block 13 in a threaded manner, the two positioning blocks 13 are respectively located in the positioning grooves and slidably arranged, before a metal workpiece is placed, the corresponding adjusting screw 12 is screwed, and the positioning blocks 13 can only slide along the insides of the positioning grooves, so that the positioning blocks 13 can be driven to move in the positioning grooves until the positioning blocks 13 are adjusted to proper positions, at this time, the front side and the rear side of the metal workpiece can be positioned through the positioning blocks 13, and the metal workpiece can be secondarily clamped in subsequent processes, so that the clamping stability is improved.

In this application, during the use, the metal work piece of centre gripping as required, remove the position of movable block 9 on homonymy L shaped plate 8, move to suitable position until driving homonymy travel switch 10, then place metal work piece in the position between two fixture 5, restart two electric cylinder 3, can drive two mounting boxes 4 and remove, thereby can drive four guide bars 6 and remove, and then can drive two fly leaves 7 and remove in opposite directions, when two fly leaves 7 removed to homonymy travel switch 10's position, fly leaf 7 can strike homonymy travel switch 10, thereby can make homonymy electric cylinder 3 stop work, the clamp force is suitable this moment, can not produce excessive clamp force again, after the follow-up processing is accomplished, open two electric cylinder 3's shrink switch, again take out the work piece can.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present application in the scope of the present application.

Claims

1. The utility model provides a metal workpiece clamping device, includes two bases (1), its characterized in that, two equal fixed backup pad (2) that are equipped with of the opposite one end of terminal surface of base (1), two the equal fixed connection of lateral wall of backup pad (2) has electric cylinder (3), two equal fixedly connected with mounting box (4) of output of electric cylinder (3), two mounting box (4) all is connected with fixture (5), two equal fixedly connected with guide bar (6) in lateral wall both ends of the opposite one side of mounting box (4), homonymy two the equal common fixedly connected with fly leaf (7) of rod end of guide bar (6), two the top of fly leaf (7) all is equipped with L shaped plate (8), two equal sliding connection of horizontal part lower extreme of L shaped plate (8) has movable block (9), two the equal fixed grafting of lateral wall of movable block (9) has travel switch (10).

2. The metal workpiece clamping device as recited in claim 1, characterized in that both sides of the end surface of one of the bases (1) are fixedly connected with the insertion plate (11), and the end surface of the other base (1) is provided with two insertion grooves, the side walls of the two insertion plates (11) are slidably connected with the groove walls of the insertion grooves on the same side, and the two insertion plates (11) are connected with the locking mechanism together with the bases (1) on the same side.

3. The metal workpiece clamping device as recited in claim 1, wherein two positioning grooves are formed in opposite sides of the upper ends of the two bases (1), an adjusting screw (12) is rotatably connected inside each positioning groove, a positioning block (13) is in threaded connection with the rod wall of each adjusting screw (12), and the two positioning blocks (13) are slidably arranged inside the positioning grooves.

4. A metal workpiece clamping device as in claim 1, characterized in that the inside of each of the two L-shaped plates (8) is rotatably provided with a driving screw (14), and the rod walls of the two driving screws (14) are in threaded connection with the side walls of the movable blocks (9) on the same side.

5. A metal workpiece holding device as claimed in claim 2, characterised in that each locking mechanism comprises a locking lever (15) fixedly arranged on a side wall of the plug plate (11), and a locking nut (16) is screwed on the lever wall of the locking lever (15).

6. A metal workpiece clamping device as in claim 5, characterised in that the walls of both locking bars (15) are fitted with anti-slipping blocks (17).

7. A metal workpiece clamping device according to claim 1, characterised in that the upper level of both moving plates (7) is arranged higher than the upper level of the same side travel switch (10).