CN221216100U

CN221216100U - Clamping device

Info

Publication number: CN221216100U
Application number: CN202323054209.XU
Authority: CN
Inventors: 赵高飞; 武国川; 付明辉
Original assignee: Luxshare Automation Jiangsu Ltd
Current assignee: Luxshare Automation Jiangsu Ltd
Priority date: 2023-11-13
Filing date: 2023-11-13
Publication date: 2024-06-25
Anticipated expiration: 2033-11-13

Abstract

The utility model belongs to the technical field of automatic clamps, and discloses a clamping device which comprises a supporting frame, bearing frames, a distance changing mechanism and a clamping mechanism, wherein a plurality of bearing frames are arranged in a row along a first direction, the distance changing mechanism can adjust the interval between adjacent bearing frames, the clamping mechanism comprises a clamping driver, a transmission beam and a plurality of clamping jaw assemblies, the clamping jaw assemblies are in one-to-one correspondence with the bearing frames, the clamping jaw assemblies comprise clamping jaw bodies and elastic pieces, the clamping jaw bodies are movably arranged on the bearing frames, the elastic pieces can drive the clamping jaw bodies to stop in a clamping state, and the clamping driver can synchronously push the clamping jaw bodies of the clamping jaw assemblies to a releasing state through the transmission beam. According to the utility model, when the distance changing mechanism adjusts the interval variation among the plurality of bearing frames, the transmission beam can always correspond to the plurality of clamping jaw assemblies, so that the clamping driver of the clamping mechanism can synchronously drive the plurality of clamping jaw assemblies to act through the transmission beam, and synchronously clamp and release products on the plurality of bearing frames.

Description

Clamping device

Technical Field

The utility model relates to the technical field of automatic clamps, in particular to a clamping device.

Background

On the existing automatic production line, in order to meet the requirements of feeding and discharging, a distance-changing mechanism is usually arranged on a clamping device, and the distance-changing mechanism can adjust the intervals of a plurality of clamping positions on the clamping device so as to adapt to the difference of product intervals during feeding and discharging.

Disclosure of utility model

The utility model aims to provide a clamping device which can synchronously clamp and release products on a plurality of clamping positions.

To achieve the purpose, the utility model adopts the following technical scheme:

Clamping device, comprising:

A support frame;

The plurality of bearing frames are arranged in a row along the first direction, one bearing frame is fixedly arranged on the supporting frame, and the rest bearing frames are respectively arranged on the supporting frame in a sliding manner along the first direction;

The distance changing mechanism can adjust the interval between the adjacent bearing frames;

The clamping mechanism comprises a clamping driver, a transmission beam and a plurality of clamping jaw assemblies, wherein the clamping jaw assemblies are in one-to-one correspondence with the bearing frames, each clamping jaw assembly comprises a clamping jaw body and an elastic piece, each clamping jaw body is movably arranged on each bearing frame, each elastic piece is arranged on each bearing frame and is configured to drive each clamping jaw body to be stopped in a clamping state, the clamping driver is arranged on each supporting frame, and the clamping driver can synchronously push the corresponding clamping jaw body of each clamping jaw assembly to a releasing state through the corresponding transmission beam.

Preferably, the clamping jaw assembly comprises two clamping jaw bodies, each clamping jaw body is provided with one elastic piece, and the two clamping jaw bodies of the clamping jaw assembly are arranged at intervals in a second direction, and the second direction is perpendicular to the first direction.

Preferably, the clamping mechanism further comprises a transmission block, the transmission block is mounted at the output end of the clamping driver, two transmission beams are arranged, the two transmission beams are mounted on the transmission block respectively, and the two clamping jaw bodies of the clamping jaw assembly are in one-to-one correspondence with the two transmission beams.

Preferably, the clamping jaw body is rotatably arranged on the bearing frame, a clamping part and a pushing part are arranged on the clamping jaw body, the clamping part is configured to be abutted against a product on the bearing frame in the clamping state, and the transmission beam can be abutted against the pushing part.

Preferably, the bearing frame is provided with an avoidance groove penetrating along the first direction, the transmission beam extends into the avoidance grooves of the plurality of bearing frames, and the clamping jaw body part extends into the avoidance groove in the clamping state.

Preferably, the bearing frame is provided with a limiting table, a product can be sleeved on the limiting table, and the clamping jaw body is propped against the inner wall of the product under the support of the elastic piece.

Preferably, the limiting table is provided with an accommodating groove, and the clamping jaw body is positioned in the accommodating groove.

Preferably, the distance changing mechanism includes:

The limiting pieces are arranged on two adjacent bearing frames, one is provided with a limiting piece, the other is provided with a strip-shaped limiting groove, the length direction of the limiting groove is parallel to the first direction, one end of the limiting groove is a synchronous end, and the limiting piece extends into the limiting groove;

The distance-changing driver is arranged on the supporting frame, one ends of the supporting frames are fixed ends, the other ends of the supporting frames are adjusting ends, the supporting frames of the fixed ends are fixedly arranged on the supporting frame, the supporting frames of the adjusting ends are connected to the output ends of the distance-changing driver, the distance-changing driver can drive the supporting frames to switch between an initial state and a distance-changing state, the supporting frames are sequentially attached to each other in the initial state, and the limiting pieces are abutted to the synchronous ends in the distance-changing state.

Preferably, the method further comprises:

the support frame is rotatably arranged on the underframe;

the rotating mechanism is arranged on the underframe and is configured to drive the supporting frame to rotate.

Preferably, the rotation mechanism includes:

The rotary driver is arranged on the underframe, and the supporting frame is connected to the output end of the rotary driver;

The two rotation stopping seats can be abutted against one rotation stopping seat when the support frame rotates along one direction under the driving of the rotation driver, and the support frame can be abutted against the other rotation stopping seat when the support frame rotates along the other direction under the driving of the rotation driver.

The utility model has the beneficial effects that:

when the interval between a plurality of bearing frames is adjusted to the displacement mechanism, the transmission beam can correspond a plurality of clamping jaw assemblies all the time for the clamping driver of fixture can synchronous drive a plurality of clamping jaw assemblies action through the transmission beam, synchronous centre gripping and release the product on a plurality of bearing frames, simplified fixture, the uniformity and the efficiency of centre gripping and release of product when having guaranteed the unloading.

Drawings

FIG. 1 is a schematic view of a clamping device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of a clamping device according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a portion of a clamping device according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a clamping mechanism according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a carrier with a product held thereon according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a carrier with jaw assemblies disposed thereon according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a structure of a carrier according to an embodiment of the present utility model;

fig. 8 is a schematic view of a structure of a jaw body and an elastic member according to an embodiment of the present utility model.

In the figure:

100. A product;

1. A support frame;

11. An abutment arm;

2. a carrier;

21. an avoidance groove; 22. a limiting table; 23. a receiving groove; 24. a limit groove;

3. A pitch-changing mechanism;

31. a limiting piece; 32. a variable-pitch drive;

4. A clamping mechanism;

41. A grip drive; 42. a drive beam; 43. a jaw assembly; 431. a clamping jaw body; 4311. a clamping part; 4312. a pushing part; 432. an elastic member; 44. a transmission block;

5. A chassis;

6. A rotation mechanism;

61. A rotary driver; 62. and rotating the stop seat.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar parts throughout, or parts having like or similar functions. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be interpreted broadly, as for example, they may be fixedly connected, or may be detachably connected, or may be electrically connected, or may be directly connected, or may be indirectly connected through an intermediary, or may be in communication with one another in two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, unless explicitly stated and limited otherwise, a first feature "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in fig. 1-8, the utility model provides a clamping device, which comprises a supporting frame 1, a bearing frame 2, a distance changing mechanism 3 and a clamping mechanism 4. The bearing frames 2 are arranged in a plurality, the bearing frames 2 are arranged in a row along a first direction, one bearing frame 2 of the bearing frames 2 is fixedly mounted on the supporting frame 1, the rest bearing frames 2 are respectively arranged on the supporting frame 1 in a sliding manner along the first direction, the distance changing mechanism 3 can adjust the interval between the adjacent bearing frames 2, the clamping mechanism 4 comprises a clamping driver 41, a transmission beam 42 and a plurality of clamping jaw assemblies 43, the clamping jaw assemblies 43 are in one-to-one correspondence with the bearing frames 2, the clamping jaw assemblies 43 comprise clamping jaw bodies 431 and elastic pieces 432, the clamping jaw bodies 431 are movably arranged on the bearing frames 2, the elastic pieces 432 are arranged on the bearing frames 2 and are configured to drive the clamping jaw bodies 431 to stop in a clamping state, the clamping driver 41 is arranged on the supporting frame 1, and the clamping driver 41 can synchronously push the clamping jaw bodies 431 of the clamping jaw assemblies 43 to a releasing state through the transmission beam 42.

In the utility model, when the distance changing mechanism 3 adjusts the interval variation among the plurality of bearing frames 2, the transmission beam 42 can always correspond to the plurality of clamping jaw assemblies 43, so that the clamping driver 41 of the clamping mechanism 4 can synchronously drive the plurality of clamping jaw assemblies 43 to act through the transmission beam 42, synchronously clamp and release the products 100 on the plurality of bearing frames 2, simplify the clamping mechanism 4 and ensure the consistency and efficiency of clamping and release of the products 100 during loading and unloading.

In this embodiment, the bearing frame 2 is slidably disposed on the supporting frame 1 through a sliding rail and sliding block mechanism, the sliding rail is disposed on the supporting frame 1, and the sliding block is fixedly connected to the bearing frame 2.

Specifically, the carrying frames 2 are provided with avoiding grooves 21 penetrating along the first direction, the transmission beams 42 extend into the avoiding grooves 21 of the carrying frames 2, and in the clamping state, the clamping jaw bodies 431 partially extend into the avoiding grooves 21. By providing the escape groove 21, the drive beam 42 can possibly be aligned with the plurality of jaw bodies 431.

More specifically, the carrier 2 is provided with a limiting table 22, the product 100 can be sleeved on the limiting table 22, and the clamping jaw body 431 is propped against the inner wall of the product 100 under the support of the elastic piece 432. By arranging the limiting table 22, the taking and placing position of the product 100 on the bearing frame 2 is more accurate, and the clamping of the clamping jaw body 431 is more reliable by taking the limiting table 22 as a reference.

More specifically, the limiting table 22 is provided with a receiving groove 23, and the clamping jaw body 431 is located in the receiving groove 23. By providing the receiving groove 23, the jaw body 431 can more conveniently abut against the inner wall of the product 100 from inside to outside.

Specifically, the pitch change mechanism 3 includes a stopper 31 and a pitch change driver 32. Wherein, two adjacent bearing frames 2 are provided with a spacing piece 31, another is provided with a strip-shaped spacing groove 24, the length direction of the spacing groove 24 is parallel to the first direction, one end is a synchronous end, the spacing piece 31 stretches into the spacing groove 24, the displacement driver 32 is arranged on the support frame 1, one end of a plurality of bearing frames 2 is a fixed end, the other end is an adjusting end, the bearing frames 2 of the fixed end are fixedly arranged on the support frame 1, the bearing frames 2 of the adjusting end are connected with the output end of the displacement driver 32, the displacement driver 32 can drive the plurality of bearing frames 2 to switch between an initial state and a displacement state, the plurality of bearing frames 2 are sequentially attached in the initial state, and the spacing piece 31 is abutted against the synchronous end in the displacement state. Under the limit of the limiting piece 31, one distance changing driver 32 can simply and conveniently drive a plurality of bearing frames 2 to change distances.

More specifically, one end of the limiting member 31 is provided with a linkage projection, and the linkage projection extends into the limiting groove 24, and when the pitch is changed, the linkage projection abuts against the synchronous end of the limiting groove 24, so that two adjacent carriers 2 move synchronously.

In this embodiment, the variable-pitch driver 32 is a cylinder, the cylinder body of which is fixed on the support frame 1, and the piston rod of the cylinder is connected to the bearing frame 2 at the adjusting end through a connecting block. In other embodiments, the distance-changing mechanism 3 may further include a plurality of cylinders, where one cylinder is sandwiched between two adjacent carriers 2, and when the piston rods of the plurality of cylinders are retracted, the plurality of carriers 2 are in an initial state, and when the piston rods of the plurality of cylinders are extended, the plurality of carriers 2 are in a distance-changing state. In other embodiments, the middle position of the carrier 2 is fixedly mounted on the supporting frame 1, and the variable-pitch driver 32 drives the carriers 2 on two sides to move and spread respectively.

Specifically, the jaw assembly 43 includes two jaw bodies 431, each jaw body 431 is configured with an elastic member 432, and the two jaw bodies 431 of the jaw assembly 43 are spaced apart in a second direction, which is perpendicular to the first direction. By providing two jaw bodies 431, the product 100 is more balanced in stress in the clamped state.

More specifically, the clamping mechanism 4 further includes a transmission block 44, the transmission block 44 is mounted at the output end of the clamping driver 41, two transmission beams 42 are provided, the two transmission beams 42 are respectively mounted on the transmission block 44, and two clamping jaw bodies 431 of the clamping jaw assembly 43 are in one-to-one correspondence with the two transmission beams 42. The arrangement described above enables the clamping driver 41 to drive the movement of the two drive beams 42 simultaneously, thereby driving the two jaw bodies 431 of the plurality of jaw assemblies 43 simultaneously.

In other embodiments, the jaw assembly 43 may further include four or six jaw bodies 431, with half of the number of jaw bodies 431 corresponding to one drive beam 42 and the other half of the number of jaw bodies 431 corresponding to another drive beam 42.

Specifically, the clamping jaw body 431 is rotatably disposed on the carrier 2, and the clamping jaw body 431 is provided with a clamping portion 4311 and a pushing portion 4312, where in the clamped state, the clamping portion 4311 is configured to abut against the product 100 on the carrier 2, and the transmission beam 42 can push the pushing portion 4312. By providing the clamping portion 4311 and the pushing portion 4312, the clamping of the clamping jaw body 431 and the driving of the transmission beam 42 are more targeted.

In this embodiment, the clamping driver 41 is an air cylinder, the cylinder body of the air cylinder is fixed on the support frame 1, the piston rod of the air cylinder extends out along the third direction, the first direction, the second direction and the third direction are perpendicular to each other, the transmission beam 42 extends along the first direction, the elastic member 432 is a spring, one end of the spring abuts against the support frame 1, and the other end of the spring abuts against the clamping jaw body 431. In other embodiments, the jaw body 431 may be slidably disposed on the carrier 2 along the second direction, and the clamping driver 41 may be capable of driving the two jaw bodies 431 of the jaw assembly 43 to move toward or away from each other by the transmission beam 42, where the transmission beam 42 moves along the second direction.

In particular, the clamping device further comprises a chassis 5 and a rotation mechanism 6. The support frame 1 is rotatably disposed on the chassis 5, and the rotation mechanism 6 is disposed on the chassis 5 and configured to drive the support frame 1 to rotate. Above-mentioned setting can be convenient with support frame 1 rotation to setting for the orientation, go up going on of unloading of being convenient for.

More specifically, the rotation mechanism 6 includes a rotation driver 61 and two rotation stop seats 62. The rotation driver 61 is disposed on the chassis 5, the support frame 1 is connected to an output end of the rotation driver 61, the support frame 1 can abut against one rotation stop seat 62 when being driven by the rotation driver 61 to rotate along one direction, and the support frame 1 can abut against the other rotation stop seat 62 when being driven by the rotation driver 61 to rotate along the other direction. The above arrangement enables the support 1 to be safely rotated within a set range.

In this embodiment, the rotary driver 61 is a motor, the support frame 1 is rotatably disposed on the chassis 5 through a bearing, the rotation axis is parallel to the first direction, one end of the support frame 1 is connected to an output shaft of the motor through a coupling, the support frame 1 can rotate 180 ° on the chassis 5 under the limit of two rotation stopping seats 62, a hydraulic buffer is disposed on the rotation stopping seats 62, the support frame 1 can be buffered, and an abutting arm 11 is disposed on the support frame 1 and abuts against the hydraulic buffer through the abutting arm 11.

The working process of the clamping device of the utility model is as follows:

Firstly, the clamping driver 41 drives the transmission beam 42 to push the pushing part 4312 of the clamping jaw body 431, and the two clamping parts 4311 of the clamping jaw assembly 43 move in opposite directions; then, the mechanical arm sleeves the product 100 on the limiting table 22 of the bearing frame 2 for preliminary positioning; thereafter, the clamping driver 41 drives the transmission beam 42 to reset and retract, and the two clamping parts 4311 of the clamping jaw assembly 43 move oppositely to clamp the product 100 under the support of the elastic piece 432; then, the distance-changing driver 32 drives the bearing frames 2 at the adjusting end to be far away from the bearing frames 2 at the fixed end, and the plurality of bearing frames 2 are driven by the limiting piece 31 to sequentially move until the distance between two adjacent bearing frames 2 is the same, so that the clamping and distance changing of the product 100 are realized; afterwards, the rotating mechanism 6 drives the supporting frame 1 to rotate to a set orientation relative to the underframe 5, so as to prepare for taking the product 100 out of the next station manipulator.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. Clamping device, its characterized in that includes:

a support (1);

The plurality of bearing frames (2) are arranged in a row along a first direction, one bearing frame (2) of the plurality of bearing frames (2) is fixedly arranged on the supporting frame (1), and the rest bearing frames (2) are respectively arranged on the supporting frame (1) in a sliding manner along the first direction;

a distance-changing mechanism (3) capable of adjusting the interval between adjacent bearing frames (2);

Clamping mechanism (4), including clamping driver (41), drive beam (42) and a plurality of clamping jaw subassembly (43), a plurality of clamping jaw subassembly (43) with a plurality of bear frame (2) one-to-one, clamping jaw subassembly (43) include clamping jaw body (431) and elastic component (432), clamping jaw body (431) activity set up in bear on frame (2), elastic component (432) set up in bear on frame (2), be configured to the drive clamping jaw body (431) stop in the clamping state, clamping driver (41) set up in on support frame (1), clamping driver (41) can be through drive beam (42) synchronization push a plurality of clamping jaw body (431) of clamping jaw subassembly (43) to the release state.

2. Clamping device according to claim 1, characterized in that the clamping jaw assembly (43) comprises two clamping jaw bodies (431), each clamping jaw body (431) being provided with one of the elastic members (432), the two clamping jaw bodies (431) of the clamping jaw assembly (43) being arranged at a distance in a second direction, which is perpendicular to the first direction.

3. Clamping device according to claim 2, wherein the clamping mechanism (4) further comprises a transmission block (44), the transmission block (44) is mounted at the output end of the clamping driver (41), two transmission beams (42) are arranged, two transmission beams (42) are respectively mounted on the transmission block (44), and two clamping jaw bodies (431) of the clamping jaw assembly (43) are in one-to-one correspondence with the two transmission beams (42).

4. Clamping device according to claim 1, characterized in that the clamping jaw body (431) is rotatably arranged on the carrier (2), that the clamping jaw body (431) is provided with a clamping part (4311) and a pushing part (4312), that in the clamped state the clamping part (4311) is arranged to be pushed against a product (100) on the carrier (2), and that the transmission beam (42) can push against the pushing part (4312).

5. Clamping device according to claim 1, characterized in that the carrier (2) is provided with through-going relief grooves (21) running in the first direction, the drive beams (42) extending into a plurality of the relief grooves (21) of the carrier (2), in the clamped state the clamping jaw bodies (431) extending partly into the relief grooves (21).

6. Clamping device according to claim 1, characterized in that the carrier (2) is provided with a limit table (22), the product (100) can be sleeved on the limit table (22), and the clamping jaw body (431) is propped against the inner wall of the product (100) under the support of the elastic piece (432).

7. Clamping device according to claim 6, characterized in that the limit table (22) is provided with a receiving groove (23), and the clamping jaw body (431) is located in the receiving groove (23).

8. Clamping device according to claim 1, characterized in that the pitch change mechanism (3) comprises:

The limiting pieces (31) are arranged on two adjacent bearing frames (2), one bearing frame is provided with a limiting piece (31), the other bearing frame is provided with a strip-shaped limiting groove (24), the length direction of the limiting groove (24) is parallel to the first direction, one end of the limiting groove is a synchronous end, and the limiting piece (31) stretches into the limiting groove (24);

The distance-changing driver (32) is arranged on the supporting frame (1), one ends of the bearing frames (2) are fixed ends, the other ends of the bearing frames (2) are adjusting ends, the bearing frames (2) of the fixed ends are fixedly arranged on the supporting frame (1), the bearing frames (2) of the adjusting ends are connected to the output ends of the distance-changing driver (32), the distance-changing driver (32) can drive a plurality of the bearing frames (2) to switch between an initial state and a distance-changing state, in the initial state, the bearing frames (2) are sequentially attached, and in the distance-changing state, the limiting piece (31) is abutted to the synchronous end.

9. The clamping device as recited in any of claims 1-8, further comprising:

The support frame (1) is rotatably arranged on the underframe (5);

and the rotating mechanism (6) is arranged on the underframe (5) and is configured to drive the support frame (1) to rotate.

10. Clamping device according to claim 9, characterized in that the rotation mechanism (6) comprises:

A rotary driver (61) arranged on the underframe (5), wherein the support frame (1) is connected with the output end of the rotary driver (61);

Two rotation stop seats (62), wherein the support frame (1) can be abutted against one rotation stop seat (62) when being driven by the rotation driver (61) to rotate along one direction, and the support frame (1) can be abutted against the other rotation stop seat (62) when being driven by the rotation driver (61) to rotate along the other direction.