CN214212994U

CN214212994U - Machining clamp

Info

Publication number: CN214212994U
Application number: CN202023304721.1U
Authority: CN
Inventors: 刘大虎
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-17
Anticipated expiration: 2030-12-31

Abstract

The utility model provides a machining clamp, which belongs to the technical field of water level observation and comprises a workbench, wherein the left side and the right side of the upper end of the workbench are fixedly connected with clamping frames, the upper end of each clamping frame is fixedly connected with a fixing clamp through bolts, a linkage clamp is slidably connected in each clamping frame, the upper end of the workbench is fixedly connected with a mounting frame, the mounting frame is positioned between the two clamping frames, a first rotating shaft and a second rotating shaft are rotatably connected between the front inner wall and the rear inner wall of the mounting frame, the front end of the mounting frame is fixedly connected with a positive and negative motor, the output end of the positive and negative motor is fixedly connected with the first rotating shaft, the surface of the first rotating shaft is fixedly connected with a connecting rod and a special-shaped disc, the front end of the connecting rod is fixedly connected with a linkage rod, the linkage rod is positioned at the gap of the special-shaped disc, the surface of the second rotating shaft is fixedly connected with a linkage block, the linkage block is matched with the special-shaped disc and the linkage rod, realize self-holding, improve the centre gripping effect, facilitate the use.

Description

Machining clamp

Technical Field

The utility model belongs to the machining field, concretely relates to machining anchor clamps.

Background

Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. The difference in processing modes can be divided into cutting processing and pressure processing, and in the production process, all the processes of changing the shape, size, position, property and the like of a production object to make the production object become a finished product or a semi-finished product are called as technological processes. It is an integral part of the production process. The processes can be divided into casting, forging, stamping, welding, machining, assembling and other processes, the mechanical manufacturing process generally refers to the sum of the machining process of the parts and the assembling process of the machine, and other processes are called auxiliary processes, such as transportation, storage, power supply, equipment maintenance and the like.

The clamping tools can not be separated in mechanical processing, particularly, a workpiece needs to be clamped by plates, steel and the like, and some clamping tools are unstable in clamping effect and inconvenient to use.

Disclosure of Invention

An object of the utility model is to provide a machining anchor clamps aims at solving the not good problem of centre gripping effect among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

a machining clamp comprises a workbench, wherein clamping frames are fixedly connected to the left side and the right side of the upper end of the workbench, a fixing clamp is fixedly connected to the upper end of each clamping frame through bolts, a linkage clamp is slidably connected in each clamping frame, a mounting frame is fixedly connected to the upper end of the workbench and is positioned between the two clamping frames, a first rotating shaft and a second rotating shaft are rotatably connected between the front inner wall and the rear inner wall of the mounting frame, a positive and negative motor is fixedly connected to the front end of the mounting frame, the output end of the positive and negative motor is fixedly connected with a first rotating shaft, a connecting rod and a special-shaped disc are fixedly connected to the surface of the first rotating shaft, a linkage rod is fixedly connected to the front end of the connecting rod and is positioned at a gap of the special-shaped disc, a linkage block is fixedly connected to the surface of the second rotating shaft and is matched with the special-shaped disc and the linkage rod, the utility model discloses a rack, including mounting bracket, second pivot, installation rail, rack groove, every, rack equal sliding connection in rack groove, two the third gear all meshes with the rack mutually, the rear side of linkage slide is provided with first slider, two linkage anchor clamps are connected to first slider.

As a preferred scheme, a plurality of evenly distributed's first spout and arcwall face are seted up on the surface of linkage piece, the circumferential surface and the arcwall face phase-match of dysmorphism dish, gangbar sliding connection is in first spout.

As an optimized scheme, the circumference fixed surface of second pivot is connected with the third pivot, the fixed surface of second pivot is connected with the second gear, the holding frame is located the rear side of mounting bracket, the second gear meshes with first gear mutually.

As a preferred scheme, the rear side of installation rail is opened and is equipped with the second spout, first slider sliding connection is in the second spout, the rear end fixedly connected with link of first slider, the equal fixed connection in linkage anchor clamps in the front end left and right sides of link.

As a preferred scheme of the utility model, first through-hole has been seted up to the upper end of linkage slide, the first stock of fixedly connected with between the upper and lower inner wall of installation rail, first stock runs through in first through-hole.

As a preferred scheme of the utility model, every the third spout, every have all been seted up to the inner wall about the holding frame the equal fixedly connected with second slider in both ends, every about linkage anchor clamps the equal sliding connection of second slider is in the third spout.

As an optimal scheme of the utility model, every equal fixedly connected with second stock, every between the upper and lower inner wall of holding frame the upper end of linkage anchor clamps has all been seted up, every the second stock all runs through in, every the surface of second stock all is equipped with gasket and spring, the gasket is located between spring and the linkage anchor clamps, every the front end of holding frame all is provided with the scale mark.

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

1. the scheme can drive a first rotating shaft to rotate through a positive and negative motor, the first rotating shaft drives a connecting rod and a special-shaped disc to rotate, the circumferential surface of the special-shaped disc is matched with an arc-shaped surface, so that a linkage block cannot be driven to move when the special-shaped disc rotates, the connecting rod drives a linkage rod to rotate by taking the first rotating shaft as a circle center when rotating, the linkage rod drives the linkage block to rotate by a fixed angle through a first sliding groove, the linkage block drives a second rotating shaft to rotate, the second rotating shaft drives a second gear to rotate, the second gear drives a third rotating shaft to reversely and synchronously rotate through the first gear, so that two third gears reversely and synchronously rotate, the two third gears rotate intermittently, a driving rack moves upwards intermittently when the third gear rotates, the rack drives a linkage sliding plate to upwards and intermittently slide upwards, the linkage sliding plate drives a first sliding block to upwards and intermittently slide upwards, the first sliding block drives two linkage clamps upwards through a connecting frame, the linkage clamp moves upwards to clamp the workpiece, and the workpiece is stably clamped through intermittent movement, so that the clamping effect is improved, and the workpiece is protected.

2. The setting of this scheme spring for when linkage anchor clamps rebound, drive the spring rebound through the gasket, the spring is located between linkage anchor clamps and the mounting fixture, can avoid linkage anchor clamps accidental injury staff, and the setting of scale mark makes things convenient for the accurate centre gripping of staff simultaneously.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

fig. 2 is a rear perspective view of the present invention;

fig. 3 is a first exploded view of the present invention;

fig. 4 is a second exploded view of the present invention;

fig. 5 is a third exploded view of the present invention.

In the figure: 1. a work table; 2. a clamping frame; 201. fixing the clamp; 202. linking the clamps; 3. a mounting frame; 301. a positive and negative motor; 302. a first rotating shaft; 303. a connecting rod; 304. a shaped disc; 305. a linkage rod; 4. a second rotating shaft; 401. a linkage block; 402. a first chute; 403. an arc-shaped surface; 5. a third rotating shaft; 501. a first gear; 502. a second gear; 503. a third gear; 6. mounting a rail; 601. a linkage sliding plate; 602. a rack; 603. a rack slot; 604. a second chute; 7. a first slider; 701. a connecting frame; 8. a first through hole; 801. a first long rod; 9. a third chute; 901. a second slider; 10. a second long rod; 11. a gasket; 12. a spring; 13. graduation marks, 1001 are perforated.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-5, the technical solution provided in this embodiment is as follows:

a machining clamp comprises a workbench 1, wherein the left side and the right side of the upper end of the workbench 1 are fixedly connected with clamping frames 2, the upper end of each clamping frame 2 is fixedly connected with a fixing clamp 201 through bolts, a linkage clamp 202 is slidably connected in each clamping frame 2, the upper end of the workbench 1 is fixedly connected with a mounting frame 3, the mounting frame 3 is positioned between the two clamping frames 2, a first rotating shaft 302 and a second rotating shaft 4 are rotatably connected between the front inner wall and the rear inner wall of the mounting frame 3, the front end of the mounting frame 3 is fixedly connected with a positive and negative motor 301, the output end of the positive and negative motor 301 is fixedly connected with the first rotating shaft 302, the surface of the first rotating shaft 302 is fixedly connected with a connecting rod 303 and a special-shaped disc 304, the front end of the connecting rod 303 is fixedly connected with a linkage rod 305, the linkage rod 305 is positioned at the notch of the special-shaped disc 304, the surface of the second rotating shaft 4 is fixedly connected with a linkage block 401, the linkage block 401 is matched with the special-shaped disc 304 and the linkage rod 305, second pivot 4 rotates the rear end that runs through mounting bracket 3 and extends backward, the rear end of mounting bracket 3 rotates and is connected with third pivot 5, the rear end of third pivot 5 and second pivot 4 all rotates and is connected with third gear 503, the upper end fixedly connected with installation rail 6 of workstation 1, sliding connection has linkage slide 601 in the installation rail 6, the equal fixedly connected with rack 602 in both ends about linkage slide 601, rack groove 603 has all been seted up at both ends about installation rail 6, the equal sliding connection of every rack 602 is in rack groove 603, two third gear 503 all mesh with rack 602 mutually, the rear side of linkage slide 601 is provided with first slider 7, two linkage anchor clamps 202 are connected to first slider 7.

In the embodiment of the present invention, the fixing clamp 201 is fixedly connected to the upper end of the holding frame 2 by bolts, so as to facilitate the replacement of the fixing clamp 201 with different sizes, when the workpiece is required to be clamped, the workpiece is firstly placed between the two sets of fixing clamps 201 and the linking clamp 202, the forward and reverse motor 301 is started, the output end of the forward and reverse motor 301 drives the first rotating shaft 302 to rotate, the first rotating shaft 302 drives the connecting rod 303 and the special-shaped disc 304 to rotate, the circumferential surface of the special-shaped disc 304 is matched with the arc surface 403, so that the special-shaped disc 304 does not drive the linking block 401 to move when rotating, the connecting rod 303 drives the linking rod 305 to rotate around the first rotating shaft 302 as the center of a circle, so that the linking rod 305 drives the linking block 401 to rotate by a fixed angle through the first sliding groove 402, the linking block 401 drives the second rotating shaft 4 to rotate, the second rotating shaft 4 drives the second gear 502 to rotate, the second gear 502 drives the third rotating shaft 5 to reversely rotate through the first gear 501, make two reverse synchronous rotations of third gear 503, and two intermittent type rotations of third gear 503, drive rack 602 intermittent type removal that makes progress when third gear 503 rotates, rack 602 drives linkage slide 601 intermittent type slip that makes progress, linkage slide 601 drives first slider 7 and makes progress intermittent type slip, first slider 7 drives two linkage anchor clamps 202 through link 701 and makes progress intermittent type slip, make linkage anchor clamps 202 upward movement press from both sides the work piece tightly, through intermittent type removal, realize stably pressing from both sides tight work piece, improve the effect of pressing from both sides tightly, play the effect of protection work piece simultaneously, what need explain is: the XD-3420 motor can be used, and the use of the motor is common general knowledge and will not be described in detail.

Specifically, referring to fig. 4, the surface of the linkage block 401 is provided with a plurality of first sliding grooves 402 and arc-shaped surfaces 403 which are uniformly distributed, the circumferential surface of the special-shaped disc 304 is matched with the arc-shaped surfaces 403, and the linkage rod 305 is slidably connected in the first sliding grooves 402.

The utility model discloses an in the embodiment, when dysmorphism dish 304 rotates, the arcwall face and the arcwall face 403 phase-match of dysmorphism dish 304 can not drive linkage block 401 and remove, and when gangbar 305 removed in first spout 402, can drive linkage block 401 and rotate fixed angle to realize intermittent type pivoted effect.

Specifically, referring to fig. 4, a third rotating shaft 5 is fixedly connected to a circumferential surface of the second rotating shaft 4, a second gear 502 is fixedly connected to a surface of the second rotating shaft 4, the clamping frame 2 is located at a rear side of the mounting frame 3, and the second gear 502 is engaged with the first gear 501.

The utility model discloses an in the embodiment, through first gear 501's setting for second gear 502 can drive third pivot 5 antiport when rotating, thereby realizes that two third gear 503 reverse synchronization rotate.

Specifically, referring to fig. 2 and 5, a second sliding groove 604 is formed at the rear side of the mounting rail 6, the first sliding block 7 is slidably connected in the second sliding groove 604, the rear end of the first sliding block 7 is fixedly connected with a connecting frame 701, and the left side and the right side of the front end of the connecting frame 701 are fixedly connected to the linkage clamp 202.

The utility model discloses an in the embodiment, link 701's setting for connect linkage anchor clamps 202 and first slider 7, drive first slider 7 through installation rail 6 and remove, thereby drive two linkage anchor clamps 202 and reciprocate in step.

Specifically, referring to fig. 5, a first through hole 8 is formed at an upper end of the linkage sliding plate 601, a first long rod 801 is fixedly connected between an upper inner wall and a lower inner wall of the mounting rail 6, and the first long rod 801 penetrates through the first through hole 8.

In the embodiment of the present invention, the sliding linkage plate 601 can slide up and down on the surface of the first long rod 801 through the first through hole 8, so that the sliding linkage plate 601 will not shift when moving up and down, thereby improving stability.

Specifically, referring to fig. 3, the left and right inner walls of each clamping frame 2 are respectively provided with a third sliding groove 9, the left and right ends of each linkage clamp 202 are respectively and fixedly connected with a second sliding block 901, and each second sliding block 901 is slidably connected in the third sliding groove 9.

The utility model discloses an in the embodiment, the setting of second slider 901 for linkage anchor clamps 202 is more stable when reciprocating, can not take place the skew, improves the centre gripping effect.

Specifically, please refer to fig. 1-3, the second long rod 10 is fixedly connected between the upper and lower inner walls of each clamping frame 2, the upper end of each linkage clamp 202 is provided with a hole 1001, each second long rod 10 is penetrated through the hole 1001, the surface of each second long rod 10 is sleeved with a gasket 11 and a spring 12, the gasket 11 is located between the spring 12 and the linkage clamp 202, and the front end of each clamping frame 2 is provided with a scale mark 13.

The utility model discloses an in the embodiment, spring 12's setting for when linkage anchor clamps 202 rebound, drive spring 12 rebound through gasket 11, spring 12 is located between linkage anchor clamps 202 and the mounting fixture 201, can avoid linkage anchor clamps 202 accidental injury staff, and the setting of scale mark 13 makes things convenient for the accurate centre gripping of staff simultaneously.

The working principle or the working process is as follows: when a workpiece needs to be clamped, the workpiece is firstly placed between two groups of fixed clamps 201 and a linkage clamp 202, a positive and negative motor 301 is started, the output end of the positive and negative motor 301 drives a first rotating shaft 302 to rotate, the first rotating shaft 302 drives a connecting rod 303 and a special-shaped disc 304 to rotate, the circumferential surface of the special-shaped disc 304 is matched with an arc-shaped surface 403, so that the linkage block 401 is not driven to move when the special-shaped disc 304 rotates, the connecting rod 303 drives a linkage rod 305 to rotate around the first rotating shaft 302 as a circle center, so that the linkage rod 305 drives the linkage block 401 to rotate by a fixed angle through a first sliding chute 402, the linkage block 401 drives a second rotating shaft 4 to rotate, the second rotating shaft 4 drives a second gear 502 to rotate, the second gear 502 drives a third rotating shaft 5 to rotate in a reverse synchronous manner through a first gear 501, so that two third gears 503 rotate in a reverse synchronous manner, and the two third gears 503 intermittently rotate, and drives a rack 602 to intermittently move upwards when the third gear 503 rotates, the rack 602 drives the linkage sliding plate 601 to intermittently slide upwards, the linkage sliding plate 601 drives the first sliding block 7 to intermittently slide upwards, the first sliding block 7 drives the two linkage clamps 202 to intermittently slide upwards through the connecting frame 701, so that the linkage clamps 202 move upwards to clamp the workpiece, the workpiece is stably clamped through intermittent movement, the clamping effect is improved, and meanwhile, the workpiece is protected.

Claims

1. The utility model provides a machining anchor clamps which characterized in that: comprises a workbench (1), the left and right sides of the upper end of the workbench (1) are fixedly connected with clamping frames (2), the upper end of each clamping frame (2) is fixedly connected with a fixing clamp (201) through a bolt, each clamping frame (2) is internally and slidably connected with a linkage clamp (202), the upper end of the workbench (1) is fixedly connected with a mounting frame (3), the mounting frame (3) is positioned between the two clamping frames (2), a first rotating shaft (302) and a second rotating shaft (4) are rotatably connected between the front inner wall and the rear inner wall of the mounting frame (3), the front end of the mounting frame (3) is fixedly connected with a positive and negative motor (301), the output end of the positive and negative motor (301) is fixedly connected with the first rotating shaft (302), the surface of the first rotating shaft (302) is fixedly connected with a connecting rod (303) and a special-shaped disc (304), the front end of the connecting rod (303) is fixedly connected with a linkage rod (305), the utility model discloses a special-shaped dish (304) of workstation, including gangbar (305), linkage rod (305), linkage block (401) and special-shaped dish (304) and gangbar (305) cooperate, second pivot (4) rotate the rear end that runs through mounting bracket (3) and extend backward, the rear end of mounting bracket (3) rotates and is connected with third pivot (5), the rear end of third pivot (5) and second pivot (4) all rotates and is connected with third gear (503), the upper end fixedly connected with installation rail (6) of workstation (1), sliding connection has linkage slide board (601) in installation rail (6), the equal fixedly connected with rack (602) in both ends about linkage slide board (601), rack groove (603) have all been seted up at both ends about installation rail (6), every equal sliding connection of rack (602) is in rack groove (603), the two third gears (503) are meshed with the rack (602), a first sliding block (7) is arranged on the rear side of the linkage sliding plate (601), and the first sliding block (7) is connected with the two linkage clamps (202).

2. A machining jig according to claim 1, wherein: the surface of linkage piece (401) is seted up a plurality of evenly distributed's first spout (402) and arcwall face (403), the circumference surface and the arcwall face (403) phase-match of dysmorphism dish (304), gangbar (305) sliding connection is in first spout (402).

3. A machining jig according to claim 2, wherein: the circumference fixed surface of second pivot (4) is connected with third pivot (5), the fixed surface of second pivot (4) is connected with second gear (502), clamping frame (2) are located the rear side of mounting bracket (3), second gear (502) and first gear (501) mesh mutually.

4. A machining fixture according to claim 3, wherein: the rear side of installation rail (6) is opened and is equipped with second spout (604), first slider (7) sliding connection is in second spout (604), the rear end fixedly connected with link (701) of first slider (7), the equal fixed connection in linkage anchor clamps (202) of the front end left and right sides of link (701).

5. A machining jig according to claim 4 wherein: the upper end of the linkage sliding plate (601) is provided with a first through hole (8), a first long rod (801) is fixedly connected between the upper inner wall and the lower inner wall of the mounting rail (6), and the first long rod (801) penetrates through the first through hole (8).

6. A machining jig according to claim 5 wherein: third sliding grooves (9) are formed in the left inner wall and the right inner wall of each clamping frame (2), second sliding blocks (901) are fixedly connected to the left end and the right end of each linkage clamp (202), and each second sliding block (901) is connected into each third sliding groove (9) in a sliding mode.

7. A machining jig according to claim 6 wherein: every equal fixedly connected with second stock (10), every between the upper and lower inner wall of holding frame (2) trompil (1001), every have all been seted up to the upper end of linkage anchor clamps (202) second stock (10) all runs through in trompil (1001), every the surface of second stock (10) all overlaps and is equipped with gasket (11) and spring (12), gasket (11) are located between spring (12) and linkage anchor clamps (202), every the front end of holding frame (2) all is provided with scale mark (13).