Industrial robot composite clamp

By driving the rack and pinion to rise and fall through the drive mechanism and electric actuator, combined with the limiting component and the reverse lead screw, the fixture achieves efficient clamping and multi-angle placement of precision parts, solving the problem of low clamping efficiency caused by long clamping stroke and large clamping head in the existing technology, and improving the use effect of the fixture.

CN223558454UActive Publication Date: 2025-11-18YANGZHOU POLYTECHNIC INST
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Patent Information

Application Number
CN202423034620.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-11-18
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

In the prior art, the clamps have a long stroke and a large clamp head when clamping precision parts, resulting in low clamping efficiency for densely arranged precision parts.

Method used

The system employs a drive mechanism to lift the movable plate and an electric actuator to lift the rack. Combined with limiters and a reverse lead screw, it enables the lifting and angle adjustment of precision parts in the clamping plate, avoiding excessive overall travel of the clamp and improving clamping efficiency and angle adaptability.

Benefits of technology

It improves the clamping efficiency and angle adjustment capability of precision parts, avoids the offset of parts during placement, adapts to the clamping of densely arranged parts, and enhances the overall performance of the fixture.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a composite clamp for an industrial robot. The composite clamp comprises a robot connecting piece body, a connecting plate rotationally connected to the bottom end of the robot connecting piece body and two symmetrically-arranged clamping plates slidably connected to the interior of the connecting plate. A movable groove is formed in each clamping plate, a movable plate is slidably connected into each movable groove, and a driving mechanism for driving the movable plate to ascend and descend is arranged in each clamping plate. According to the industrial robot composite clamp, the driving mechanism drives the movable plate to ascend and descend in the clamping plate, so that a workpiece can be driven to ascend and descend, the whole device plays a good role in placing a clamped precision part, and the situation that the precision part deviates when being placed due to the fact that the overall moving stroke of the clamp is too long and too fast is avoided; and meanwhile, some densely-arranged precise parts can be well clamped, and therefore the overall clamping efficiency of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of clamp, concretely to a kind of industrial robot composite fixture. BACKGROUND

[0002] Clamp is the device that is used to fix the machining object in the process of mechanical manufacturing, make it occupy correct position, to accept construction or detection device, from broad sense, in any process in the process, the device that is used to quickly, conveniently, safely install workpiece can be called clamp, industrial robot composite fixture needs to be installed on manipulator first when using, then it is grabbed by the movement of manipulator.

[0003] Most clamps in prior art are generally driven by electric push rod to move as a whole when clamping, stroke is long, and due to the large clamp head, it is not suitable for clamping some densely arranged precision parts, thereby reducing the clamping efficiency of clamp. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of industrial robot composite fixture to solve the problem that most clamps in prior art are generally driven by electric push rod to move as a whole when clamping in the background art, stroke is long, and due to the large clamp head, it is not suitable for clamping some densely arranged precision parts, thereby reducing the clamping efficiency of clamp.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of industrial robot composite fixture, including robot connecting piece main body, the connecting plate rotationally connected in the bottom end of robot connecting piece main body, and two symmetrically arranged clamping plates slidingly connected in the inside of connecting plate;

[0006] Each clamping plate is internally provided with a movable slot, each movable slot is slidingly connected with a movable plate, and each clamping plate is provided with a driving mechanism for driving the movable plate to lift.

[0007] As the preferred technical scheme of the present application, the driving mechanism includes a first motor, a first gear, a tooth block and a limiting piece.

[0008] Each clamping plate is externally provided with a first motor, the output end of the first motor is sleeved with a first gear, each first gear is rotationally connected in the inside of clamping plate, each movable plate is externally connected with a plurality of tooth blocks at equal intervals, and the external wall of the plurality of tooth blocks is engaged with the external wall of the first gear.

[0009] As the preferred technical scheme of the present application, the limiting piece includes a T-shaped sliding groove and a T-shaped sliding block.

[0010] Two T-shaped sliding grooves are symmetrically arranged in each clamping plate, and a T-shaped sliding block is slidably connected in each T-shaped sliding groove.

[0011] As the preferred technical scheme of the present application, a plurality of clamping grooves are equidistantly arranged on each movable plate.

[0012] As the preferred technical scheme of the present application, a second motor is mounted on the outer wall of the connecting plate, a reverse screw rod is sleeved on the output end of the second motor, two symmetrically arranged threaded blocks are threadedly connected to the outer wall of the reverse screw rod, and the top end of each threaded block is rotatably connected to the top end of the clamping plate.

[0013] As the preferred technical scheme of the present application, a sliding rod is connected in the connecting plate, and each threaded block is slidably connected to the outer wall of the sliding rod.

[0014] As the preferred technical scheme of the present application, a second motor is mounted on the outer wall of the connecting plate, a reverse screw rod is sleeved on the output end of the second motor, two symmetrically arranged threaded blocks are threadedly connected to the outer wall of the reverse screw rod, and the top end of each threaded block is rotatably connected to the top end of the clamping plate.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] 1. The driving mechanism drives the movable plate to ascend and descend in the clamping plate, so as to drive the workpiece to ascend and descend, so that the device as a whole plays a good placing role on the precision parts in clamping, avoids that the overall movement stroke of the clamp is too long and too fast, and causes the precision parts to deviate when placed, and also can better clamp some densely arranged precision parts, thereby improving the clamping efficiency of the device as a whole.

[0017] 2. The electric push rod drives the rack to ascend and descend, so as to cause the angle of the clamping plate to deviate, thereby playing an angle adjusting role on the parts clamped by the movable plate, so as to facilitate the device as a whole to place the parts at multiple angles, and improve the use effect of the device as a whole. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the present application;

[0019] Figure 2 It is a three-dimensional structure sectional view of the connecting plate of the present application;

[0020] Figure 3 It is a three-dimensional structure schematic view of the clamping plate, the threaded block, the movable slot and the movable plate of the present application;

[0021] Figure 4The utility model discloses a clamping plate, movable plate, first gear, tooth block and the partial view of the local stereo structure section of the slot of the utility model,

[0022] Figure 5 The utility model discloses movable plate, slot and the stereo structure schematic diagram of T-shaped sliding block of the utility model,

[0023] Figure 6 The utility model discloses Figure 2 The structure amplification schematic diagram of A place in the middle.

[0024] In the drawing: 1, robot connecting piece main body, 2, connecting plate, 3, clamping plate, 4, reverse screw rod, 5, threaded block, 6, sliding rod, 7, movable slot, 8, movable plate, 9, first gear, 10, tooth block, 11, slot, 12, T-shaped sliding slot, 13, T-shaped sliding block, 14, fixed rod, 15, second gear, 16, rack, 17, electric push rod. Specific implementation

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 And Figure 6 , the utility model provides a kind of technical scheme: a kind of industrial robot composite clamp, including robot connecting piece main body 1, connecting plate 2 being rotatably connected at the bottom end of robot connecting piece main body 1, and two symmetrical arrangement clamping plates 3 being slidably connected in connecting plate 2 interior;

[0027] Each clamping plate 3 is internally provided with movable slot 7, and each movable slot 7 is slidably connected with movable plate 8, and each clamping plate 3 is provided with driving mechanism for driving movable plate 8 to lift;Movable plate 8 is lifted in the clamping plate 3 by driving mechanism, so as to lift workpiece, so that the device as a whole plays a good placing role to precision parts in clamping, avoids that the overall movement stroke of clamp is too long and too fast, causes that precision parts appear deviation when placing, and simultaneously can better be clamped for some densely arranged precision parts, to improve the clamping efficiency of the device as a whole.

[0028] In a preferred embodiment, the driving mechanism includes a first motor, a first gear 9, a tooth block 10 and a limiting member.

[0029] The first motor is arranged on the outer wall of each clamping plate 3, the first gear 9 is sleeved on the output end of the first motor, each first gear 9 is rotationally connected in the inner part of the clamping plate 3, a plurality of tooth blocks 10 are equidistantly connected on the outer wall of each movable plate 8, and the outer wall of the plurality of tooth blocks 10 is engaged on the outer wall of the first gear 9.

[0030] In a preferred embodiment, the limiting piece comprises a T-shaped sliding groove 12 and a T-shaped sliding block 13.

[0031] Two T-shaped sliding grooves 12 are arranged symmetrically in the inner part of each clamping plate 3, a T-shaped sliding block 13 is slidably connected in the inner part of each T-shaped sliding groove 12, and each two T-shaped sliding blocks 13 are connected on the outer wall of the movable plate 8. By arranging the limiting piece, the movement stroke of the movable plate 8 can be limited.

[0032] In a preferred embodiment, a plurality of clamping grooves 11 are equidistantly arranged on each movable plate 8. By arranging the clamping groove 11, the friction between the movable plate 8 and the workpiece can be increased, so as to improve the stability of the movable plate 8 when clamping the workpiece.

[0033] In a preferred embodiment, a second motor is arranged on the outer wall of the connecting plate 2, a reverse screw rod 4 is sleeved on the output end of the second motor, two symmetrically arranged threaded blocks 5 are threadedly connected on the outer wall of the reverse screw rod 4, and the top end of each threaded block 5 is rotationally connected on the clamping plate 3. By driving the reverse screw rod 4 to rotate through the second motor, the threaded block 5 is moved on the outer wall of the reverse screw rod 4 while sliding on the sliding rod 6, so as to drive the clamping plate 3 to move towards each other, thereby facilitating the movable plate 8 on the clamping plate 3 to clamp workpieces of different specifications.

[0034] In a preferred embodiment, a sliding rod 6 is connected in the inner part of the connecting plate 2, and the outer wall of each threaded block 5 is slidably connected on the outer wall of the sliding rod 6. By arranging the sliding rod 6, the movement of the threaded block 5 can be limited.

[0035] In a preferred embodiment, a fixed rod 14 is connected on the side wall of each clamping plate 3, a second gear 15 is sleeved on the outer wall of each fixed rod 14, a rack 16 is engaged on the outer wall of each second gear 15, an electric push rod 17 is arranged on the outer wall of each threaded block 5, and the output end of each electric push rod 17 is connected on the top end of the rack 16. By driving the rack 16 to ascend and descend through the electric push rod 17, the angle of the clamping plate 3 can be offset, thereby the angle of the part clamped by the movable plate 8 can be adjusted, so as to facilitate the overall device to place the part at multiple angles, and improve the use effect of the overall device.

[0036] Working principle: first through the second motor drive reverse screw rod 4 in the connecting plate 2 inside rotation, make threaded block 5 in reverse screw rod 4 outer wall moves while sliding on the slide rod 6, further make threaded block 5 drive the clamping plate 3 move towards, so that the movable plate 8 on the clamping plate 3 can clamp different specifications of workpiece;

[0037] Through the first motor drive first gear 9 in the clamping plate 3 inside rotation, make first gear 9 and gear block 10 mesh, thereby drive movable plate 8 in the movable groove 7 inside lift, make T-shaped slide block 13 connected to the movable plate 8 slide in the T-shaped slide 12 inside, thereby avoid movable plate 8 from the clamping plate 3 inside, through the movable plate 8 lift, so that it can drive the workpiece to lift, make the device overall to the clamping in the precision parts play a good role in placing, avoid the fixture overall movement stroke too long too fast, cause the precision parts to appear deviation when placing, at the same time also can better clamp some dense arrangement precision parts, thereby improve the overall clamping efficiency of the device;

[0038] Through the electric push rod 17 drive rack 16 lift, make rack 16 drive second gear 15 rotation, further drive the clamping plate 3 connected to the fixed rod 14 in threaded block 5 bottom end rotation, so that it can make the angle of clamping plate 3 produce deviation, further can play the role of angle adjustment to the parts clamped by movable plate 8, so as to facilitate the overall device to the multi-angle placement of parts, improve the overall use effect of the device.

[0039] The above is the working process of the whole device, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0040] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An industrial robot composite clamp, comprising a robot connecting piece body (1), a connecting plate (2) rotatably connected to the bottom end of the robot connecting piece body (1), and two symmetrically arranged clamping plates (3) slidably connected inside the connecting plate (2); characterized in that: each of the clamping plates (3) is provided with a movable slot (7) inside, each of the movable slots (7) is slidably connected with a movable plate (8), and each of the clamping plates (3) is provided with a driving mechanism for driving the movable plate (8) to lift.

2. An industrial robot composite fixture according to claim 1, characterized in that: The driving mechanism comprises a first motor, a first gear (9), a tooth block (10) and a limiting piece; each of the clamping plates (3) is provided with a first motor, the output end of the first motor is provided with a first gear (9), each of the first gears (9) is rotatably connected inside the clamping plate (3), and each of the movable plates (8) is provided with a plurality of tooth blocks (10) connected equidistantly on the outer wall, and the outer wall of the plurality of tooth blocks (10) is engaged with the outer wall of the first gear (9).

3. An industrial robot composite fixture according to claim 2, characterized in that: The limiting piece comprises a T-shaped sliding groove (12) and a T-shaped sliding block (13); each of the clamping plates (3) is provided with two symmetrically arranged T-shaped sliding grooves (12) inside, each of the T-shaped sliding grooves (12) is slidably connected with a T-shaped sliding block (13), and each of the T-shaped sliding blocks (13) is connected to the outer wall of the movable plate (8).

4. An industrial robot composite fixture according to claim 3, characterized in that: Each of the movable plates (8) is provided with a plurality of clamping grooves (11) equidistantly.

5. The composite fixture for an industrial robot according to claim 1, wherein: The connecting plate (2) is provided with a second motor on the outer wall, the output end of the second motor is provided with a reverse screw rod (4), the outer wall of the reverse screw rod (4) is provided with two symmetrically arranged threaded blocks (5), and the outer wall of the two threaded blocks (5) is rotatably connected to the top end of the clamping plate (3).

6. An industrial robot composite fixture according to claim 5, characterized in that: The connecting plate (2) is connected with a sliding rod (6) inside, and the two threaded blocks (5) are slidably connected to the outer wall of the sliding rod (6).

7. An industrial robot composite fixture according to claim 5, characterized in that: Each of the clamping plates (3) is connected with a fixed rod (14), each of the fixed rods (14) is provided with a second gear (15) on the outer wall, each of the second gears (15) is engaged with a rack (16) on the outer wall, each of the threaded blocks (5) is provided with an electric push rod (17) on the outer wall, and the output end of each of the electric push rods (17) is connected to the top end of the rack (16).