Automatic production line small piece feeding robot gripper

By designing a gripper structure with a bidirectional threaded rod and a cylinder drive, the stability problem of existing grippers when gripping small and long workpieces has been solved, realizing multi-directional, stable workpiece gripping and adaptive adjustment.

CN223947930UActive Publication Date: 2026-02-27山西建投装备制造有限公司
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Patent Information

Application Number
CN202520692273.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-02-27
Estimated Expiration
2035-04-14

AI Technical Summary

Technical Problem

Existing robotic grippers are prone to causing instability in the center of gravity of small but long workpieces, posing a risk of them falling off, and are difficult to adjust adaptively according to the length of the workpiece.

Method used

A gripper for loading small parts on an automated production line was designed. It adopts a gripper structure driven by a bidirectional threaded rod and a cylinder. It can rotate 360 ​​degrees through a rotary drive shaft. The spacing of the gripper blocks can be adjusted by the cylinder and guide rod to adapt to workpieces of different lengths and improve gripping stability.

Benefits of technology

It achieves stable gripping of small, elongated workpieces, and can grip from multiple angles according to the workpiece's angle and length, thus improving the stability and adaptability of gripping.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic production line small piece feeding robot gripper, and particularly relates to the technical field of automatic production lines, which comprises a fixing frame, a first flange plate fixedly connected to the top end of the fixing frame, a second flange plate fixedly connected to the top end of the first flange plate, and a rotary driving shaft fixedly connected to the top end of the second flange plate. The bottoms of the two ends of the fixing frame are fixedly connected with a first fixing plate and a second fixing plate correspondingly, a two-way threaded rod is connected between the first fixing plate and the second fixing plate, and a motor for driving the two-way threaded rod to rotate is fixedly installed on the outer wall of the first fixing plate. The distance between the two gripper blocks at the bottom is changed through operation of the air cylinder, so that gripping and loosening are achieved, small but too long workpieces can be stably gripped by arranging the two gripping parts, and by arranging a structure for adjusting the distance between the two gripping parts, the workpiece gripping efficiency is improved, and the workpiece gripping efficiency is improved. And adaptive adjustment can be conveniently carried out according to the length of the to-be-grabbed workpiece, and the stability during workpiece grabbing is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automatic production line, more specifically, the utility model relates to a kind of automatic production line small piece loading robot gripper. BACKGROUND

[0002] With the continuous development of industrial automation, improving production efficiency, reducing cost, ensuring product quality has become the key to the sustainable development of enterprises. In the automatic production line, small piece loading is a frequent and key operation link, which is directly related to the overall efficiency of the production line and product quality. The traditional manual loading method has many drawbacks, such as high labor intensity, low efficiency, easy to make mistakes, etc., which is difficult to meet the modern efficient, accurate production demand. Automatic production line is a modern production mode, which realizes automation and digitization through key components such as robots, sensors, controllers, conveying equipment, warehousing equipment, communication equipment and software systems. These components work together to enable the production line to efficiently handle various tasks. The automatic production line needs robots to cooperate to realize small piece loading and transfer. The transplanting robot automatically takes and welds the workpiece according to the workpiece information transmitted by the identification system in advance, and automatically loads it on the corresponding conveying line.

[0003] The existing loading robot gripper generally closes two clamping blocks to realize the grabbing of the workpiece. The design defect of this structure is that although the workpiece is small, the length is not necessarily short. Only the end part is grabbed, and the center of gravity of the entire workpiece itself is not necessarily stable, which is easy to cause the risk of falling off. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of automatic production line small piece loading robot gripper.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of automatic production line small piece loading robot gripper, including fixed frame, the top of the fixed frame is fixedly connected with first flange plate, the top of the first flange plate is fixedly connected with second flange plate, the top of the second flange plate is fixedly connected with rotary drive shaft, the bottom of the both ends of the fixed frame is fixedly connected with first fixed plate and second fixed plate respectively, two-way threaded rod is connected between the first fixed plate and the second fixed plate, the outer wall of the first fixed plate is fixedly installed with motor that drives two-way threaded rod rotation, the outer part of the both ends of two-way threaded rod is connected with first movable block and second movable block respectively in opposite screw threads, the bottom of the first movable block and the second movable block is connected with gripper assembly.

[0006] As a further improvement of the utility model technical scheme, the first flange plate and the top end of the fixing frame are welded and fixed, and the second flange plate and the first flange plate are fixedly connected through the bolts at the edge.

[0007] As a further improvement of the utility model technical scheme, the inner wall of the second fixed plate is provided with a bearing seat at the position corresponding to the end of the bidirectional threaded rod, and the motor is fixedly connected to the outer wall of the first fixed plate through screws.

[0008] As a further improvement of the utility model technical scheme, the top end of the first movable block and the second movable block is provided with a T-shaped sliding block inserted into the bottom of the fixing frame, and the bottom of the fixing frame is provided with a T-shaped sliding groove outside the two T-shaped sliding blocks in the horizontal direction.

[0009] As a further improvement of the utility model technical scheme, the inside of the first movable block and the second movable block is provided with an internal thread hole matched with the reverse external thread structure of the two ends of the bidirectional threaded rod.

[0010] As a further improvement of the utility model technical scheme, the gripper assembly comprises a gas cylinder fixedly connected to the bottom end of the first movable block and the second movable block, the rear end of the gas cylinder is fixedly connected to a connecting plate, the output end of the gas cylinder is fixedly connected to a movable plate, the bottom of the connecting plate and the movable plate is fixedly connected to a gripper block, the top inner wall of the movable plate is fixedly connected to a guide rod in the horizontal direction, one end of the guide rod penetrates and extends to the outside of the connecting plate, and the inside of the connecting plate is provided with a hole for the guide rod to pass through.

[0011] As a further improvement of the utility model technical scheme, the bottom of the connecting plate and the movable plate is provided with a top part provided with an embedded groove for the top part of the gripper block to be embedded, the top of the gripper block is provided with an embedded block embedded and installed on the embedded groove, the outer wall of the embedded block is connected to a locking bolt, the inside of the embedded block is provided with a connecting hole for the locking bolt to pass through, and the bottom of the movable plate is provided with a screw hole corresponding to the connecting position of the locking bolt.

[0012] As a further improvement of the utility model technical scheme, the inner side end of the gripper block is provided with a clamping groove, and the outer surface of the clamping groove is provided with a silica gel pad.

[0013] The utility model discloses the beneficial effect:

[0014] The utility model discloses can according to the placement angle of work piece, it is convenient to 360 degree rotation to whole gripper structure to can need to carry out multidirectional capture to part, utilize the operation of cylinder to make the spacing of two gripper blocks of bottom change to can realize capture and loosening, through setting up two capture parts, can stably capture small but long work piece, and through setting up the structure of the spacing between two capture parts, it is convenient to adaptively adjust according to the length of the work piece to be captured, improve the stability when capturing work piece. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view of the utility model.

[0016] Figure 2 It is the side view of the utility model.

[0017] Figure 3 It is the partial sectional view of the utility model.

[0018] Figure 4 It is the connecting structure schematic view of guide rod and movable plate in the utility model.

[0019] Figure 5 It is the structure schematic view of gripper block in the utility model.

[0020] The figure mark is: 1, fixed frame;2, first flange plate;3, second flange plate;4, rotary drive shaft;5, first fixed plate;6, second fixed plate;7, two-way threaded rod;8, motor;9, first movable block;10, second movable block;11, cylinder;12, connecting plate;13, movable plate;14, guide rod;15, gripper block;16, locking bolt;17, T-shaped slider;18, T-shaped sliding slot;19, embedding groove;20, screw hole;151, embedded block;152, connecting hole;153, clamping groove;154, silica gel pad. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] As the drawing Figures 1-5The illustrated one kind is automated production line small piece loading robot gripper, including fixed frame 1, the top of fixed frame 1 is fixedly connected with first flange plate 2, the top of first flange plate 2 is fixedly connected with second flange plate 3, the top of second flange plate 3 is fixedly connected with rotary drive shaft 4, the bottom of both ends of fixed frame 1 is fixedly connected with first fixed plate 5 and second fixed plate 6, and the both ends of first fixed plate 5 and second fixed plate 6 are connected with two-way threaded rod 7, the outer wall of first fixed plate 5 is fixedly installed with motor 8 for driving two-way threaded rod 7 to rotate, and the outer parts of both ends of two-way threaded rod 7 are connected with first movable block 9 and second movable block 10 respectively with opposite threads, and the bottom of first movable block 9 and second movable block 10 is connected with gripper assembly.

[0023] As shown in the accompanying drawings Figures 1-2 The top of first flange plate 2 and fixed frame 1 is welded and fixed, and the second flange plate 3 and the first flange plate 2 are fixedly connected through the bolts at the edge, which is convenient for the connection and fixation between the second flange plate 3 and the first flange plate 2, and further facilitates the rotation of the rotary drive shaft 4 driven by the external driving motor to make the whole gripper structure rotate 360 degrees, so that the parts can be grasped in multiple directions as needed.

[0024] As shown in the accompanying drawings Figures 1-3 The inner wall of second fixed plate 6 is provided with a bearing seat corresponding to the end position of two-way threaded rod 7, and motor 8 is fixedly connected to the outer wall of first fixed plate 5 through screws, which is convenient for stable rotation of two-way threaded rod 7 and fixed installation of motor 8.

[0025] As shown in the accompanying drawings Figure 1 And the accompanying drawings Figure 3 The top of first movable block 9 and second movable block 10 is provided with T-shaped slider 17 inserted into the bottom of fixed frame 1, and the outer part of fixed frame 1 is provided with T-shaped sliding groove 18 along the horizontal direction corresponding to the two T-shaped sliders 17, wherein the inner thread hole of first movable block 9 and second movable block 10 is provided with the inner thread hole matched with the two end opposite outer thread structures of two-way threaded rod 7, which is convenient for limiting the movement of first movable block 9 and second movable block 10 outside two-way threaded rod 7, so that when two-way threaded rod 7 rotates, first movable block 9 and second movable block 10 can keep opposite movement in horizontal direction.

[0026] As shown in the accompanying drawings Figure 1-2 And the accompanying drawings Figures 4-5As shown, the gripper assembly includes a cylinder 11 fixedly connected at the bottom end of the first movable block 9 and the second movable block 10, the rear end of the cylinder 11 is fixedly connected with a connecting plate 12, and the output end of the cylinder 11 is fixedly connected with a movable plate 13, the bottom of the connecting plate 12 and the movable plate 13 is fixedly connected with a gripper block 15, the top inner side wall of the movable plate 13 is fixedly connected with a guide rod 14 in the horizontal direction, one end of the guide rod 14 penetrates and extends to the outside of the connecting plate 12, the inside of the connecting plate 12 is provided with a hole for the guide rod 14 to pass through, the bottom of the connecting plate 12 and the movable plate 13 is provided with a top embedded with a top embedded groove 19, the top of the gripper block 15 is provided with an embedded block 151 embedded and installed on the embedded groove 19, the outer wall of the embedded block 151 is connected with a locking bolt 16, the inside of the embedded block 151 is provided with a connecting hole 152 for the locking bolt 16 to pass through, the bottom of the movable plate 13 is provided with a screw hole 20 corresponding to the connection of the locking bolt 16, the inner side end of the gripper block 15 is provided with a clamping groove 153, the outer surface of the clamping groove 153 is provided with a silica gel pad 154, and the gripper assembly is convenient for grabbing the workpiece on the automatic production line during use.

[0027] Working principle: the utility model discloses a kind of automatic production line small piece feeding robot gripper, specific structure as attached Figures 1-5 As shown, the utility model discloses a kind of automatic production line small piece feeding robot gripper, specific structure as attached

[0028] Among them, the utility model discloses an embodiment of the drawings, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0029] Finally: the above described is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An automated production line small piece loading robot gripper, comprising a fixing frame (1), characterized in that: The top end of the fixed frame (1) is fixedly connected with a first flange plate (2), the top end of the first flange plate (2) is fixedly connected with a second flange plate (3), the top end of the second flange plate (3) is fixedly connected with a rotary drive shaft (4), the bottom of the two ends of the fixed frame (1) is fixedly connected with a first fixed plate (5) and a second fixed plate (6) respectively, the two-way threaded rod (7) is connected between the first fixed plate (5) and the second fixed plate (6), the motor (8) for driving the two-way threaded rod (7) to rotate is fixedly installed on the outer wall of the first fixed plate (5), the two ends of the two-way threaded rod (7) are reversely screwed and connected with a first movable block (9) and a second movable block (10) respectively, and the bottom of the first movable block (9) and the second movable block (10) is connected with a gripper assembly.

2. The automated line small part feeding robot gripper of claim 1, wherein: The first flange plate (2) and the top end of the fixed frame (1) are welded and fixed, and the second flange plate (3) and the first flange plate (2) are fixedly connected through bolts at the edge.

3. The automated line small part feeding robot gripper of claim 1, wherein: The inner wall of the second fixed plate (6) is provided with a bearing seat at the position corresponding to the end of the two-way threaded rod (7), and the motor (8) is fixedly connected to the outer wall of the first fixed plate (5) through screws.

4. The automated line small part feeding robot gripper of claim 1, wherein: The top end of the first movable block (9) and the second movable block (10) is provided with a T-shaped sliding block (17) inserted into the bottom of the fixed frame (1), and the bottom of the fixed frame (1) is provided with a T-shaped sliding groove (18) outside the two T-shaped sliding blocks (17) in the horizontal direction.

5. The automated line small part feeding robot gripper of claim 1, wherein: The inside of the first movable block (9) and the second movable block (10) is provided with an internal thread hole matched with the reverse external thread structure of the two ends of the two-way threaded rod (7).

6. The automated line small part feeding robot gripper of claim 1, wherein: The gripper assembly comprises a cylinder (11) fixedly connected to the bottom of the first movable block (9) and the second movable block (10), the rear end of the cylinder (11) is fixedly connected with a connecting plate (12), and the output end of the cylinder (11) is fixedly connected with a movable plate (13), the bottom of the connecting plate (12) and the movable plate (13) is fixedly connected with a gripper block (15), the top inner wall of the movable plate (13) is fixedly connected with a guide rod (14) in the horizontal direction, one end of the guide rod (14) penetrates and extends to the outside of the connecting plate (12), and the inside of the connecting plate (12) is provided with a hole for the guide rod (14) to pass through.

7. The automated line small part feeding robot gripper of claim 6, wherein: The bottom of the connecting plate (12) and the movable plate (13) is provided with a (hole) for embedding the top of the gripper block (15), the top of the gripper block (15) is provided with an embedded block (151) embedded and installed in the embedding groove (19), the outer wall of the embedded block (151) is connected with a locking bolt (16), the inside of the embedded block (151) is provided with a connecting hole (152) for the locking bolt (16) to pass through, and the bottom of the movable plate (13) is provided with a screw hole (20) corresponding to the connection of the locking bolt (16).

8. The automated line small part feeding robot gripper of claim 6, wherein: The inner side of the gripper block (15) is provided with a clamping groove (153), and the outer surface of the clamping groove (153) is provided with a silica gel pad (154).