Manipulator clamping tool
By introducing protective components and mounting structures into the robotic arm clamping fixture, buffer protection for the workpiece and convenient replacement of the clamping plates are achieved, solving the problem of workpiece damage caused by excessive clamping force and improving yield and applicability.
Patent Information
- Application Number
- CN202520551065.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Existing robotic clamping fixtures lack protective structures when gripping workpieces, making the workpieces easily damaged by excessive clamping force, thus reducing yield and practicality.
A robotic clamping fixture comprising a main body, a fixed base, and protective components was designed. The fixture utilizes a motor-driven bidirectional screw to move the moving plate and clamping plate, combined with the elastic buffering of springs to achieve buffering protection for the workpiece. The fixture also allows for easy replacement of the clamping plate to accommodate workpieces of different shapes through the installation components.
The buffer protection structure prevents workpiece damage, improves workpiece yield and usability, and facilitates clamping of workpieces of different shapes, thus expanding its application range.
Smart Images

Figure CN223877006U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical hand technical field, concretely is a mechanical hand dress clamping frock. BACKGROUND
[0002] Mechanical hand is the automatic operation device that is according to fixed program to fetch, carry object or operate tool, it completes various expected work through programming, and it has the advantage of people and machine on structure and performance, is widely used in industrial manufacturing, metallurgy, electronics, light industry and atomic energy etc.
[0003] The existing patent CN215846901U discloses a kind of mechanical hand dress clamping frock, including transition base, mechanical hand, hydraulic pull rod, positioning disc and support column;The upper surface of the transition base is equipped with fixed screw hole, hydraulic pull rod through hole and machine tool connection fixed hole, and the lower surface of the transition base is provided with machine tool assembly hole;The mechanical hand is provided with dress clamping arm, connecting arm and fixed base, and the dress clamping arm is provided with upper and lower pin hole, the connecting arm is provided with upper and lower pin hole, and the fixed base is provided with connecting screw hole and connecting pin hole;The utility model structure is processed to product by positioning disc protruding positioning and mechanical hand tensioning primary positioning clamping, and it is proved by actual processing that processing dimension is stable, and processing efficiency is not only more than doubled than machining center, and precision is also higher than machining center.
[0004] The current mechanical hand dress clamping frock can clamp and fix workpiece when using, but lacks protection structure when clamping, and workpiece is easily damaged due to excessive clamping force, which leads to decrease in yield, thereby reducing practicability. INVENTION CONTENTS
[0005] The utility model aims at providing a kind of mechanical hand dress clamping frock, to solve the problem that the existing mechanical hand dress clamping frock in above background art is clamped and fixed when using, but lacks protection structure when clamping, and workpiece is easily damaged due to excessive clamping force, which leads to decrease in yield, thereby reducing practicability.
[0006] To achieve the above object, the utility model provides following technical scheme: a mechanical hand clamping tool, including main part, fixed base and the protection component for protecting work piece, the protection component includes the vertical board fixed connection with fixed base bottom both sides respectively, the two -way screw rod connected with vertical board, the motor fixed connection with two -way screw rod one end, the drive block connected with two -way screw rod both sides respectively, the moving plate fixed connection with drive block bottom, the through -going hole of opening in moving plate one side, the guide rod in through -going hole, the spring of sheathed in guide rod outside, the mounting seat fixed connection with guide rod one end, the clamping plate of being located in mounting seat one side and the installation component for replacing clamping plate, two -way screw rod is screwed with drive block, two -way screw rod is connected with vertical board rotation, guide rod is connected with through -going hole sliding.
[0007] Preferably, the installation component includes an installation slot opened on one side of the mounting seat, an installation plate fixedly connected with one side of the clamping plate, a fixing hole opened on the bottom of the installation plate, a threaded rod connected with the bottom of the mounting seat, a sliding plate rotationally connected with the top of the threaded rod, a fixing rod fixedly connected with the top of the sliding plate, and a knob fixedly connected with the bottom of the threaded rod.
[0008] Preferably, the mounting seat is fixedly connected with a rotation stopping rod on both sides, and the moving plate is provided with a rotation stopping hole on both sides.
[0009] Preferably, the inner wall of the installation slot is fixedly connected with a limiting block, and the top of the installation plate is provided with a limiting slot.
[0010] Preferably, an auxiliary slot is opened on one side of the installation slot, and an auxiliary block is fixedly connected with one side of the sliding plate.
[0011] Preferably, a support slot is opened on both sides of the top of the fixed base, and a support block is slidingly connected in the support slot.
[0012] Preferably, a hydraulic cylinder is fixedly connected with the top of the fixed base, and the hydraulic cylinder is fixedly connected with the main part.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1. By setting the main part, the fixed base and the protection component, the motor can control the rotation of the two-way screw rod, and then the two moving plates can move towards the middle, and then the mounting seat and the clamping plate can be moved. The clamping plate can clamp and fix the work piece, and the elasticity of the spring can buffer the clamping force, thereby buffering and protecting the work piece, preventing the work piece from being damaged due to excessive clamping force, and greatly improving the practicality.
[0015] 2、Through setting the installation component, the installation plate can be inserted into the installation slot, rotating the knob can drive the threaded rod to rotate, and then can drive the sliding plate and the fixed rod to move, can make the fixed rod inserted into the fixed port, can fix the clamping plate, at the same time can disassemble the clamping plate, convenient to replace the clamping plate of different properties, and then can be convenient for clamping the workpiece of different shapes, can improve the application range. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The utility model provides a three-dimensional structure schematic diagram;
[0017] Figure 2 The utility model provides a left view;
[0018] Figure 3 The utility model provides a Figure 2 The utility model provides a sectional view of A-A;
[0019] Figure 4 The utility model provides a Figure 3 The utility model provides an enlarged view of B;
[0020] Figure 5 The utility model provides a Figure 4 The utility model provides an enlarged view of C.
[0021] In the drawing: 1, main body;11, fixed seat;21, vertical board;22, two-way screw;23, motor;24, drive block;25, moving plate;26, through mouth;27, guide rod;28, spring;29, mounting seat;30, clamping plate;31, installation slot;32, installation plate;33, fixed port;34, threaded rod;35, sliding plate;36, fixed rod;37, knob;41, rotation stopper;42, rotation stopper mouth;51, limit block;52, limit slot;61, auxiliary slot;62, auxiliary block;71, support slot;72, support block;81, hydraulic cylinder. DETAILED DESCRIPTION
[0022] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, 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 ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model.
[0023] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4The utility model provides a technical scheme: a mechanical hand clamping tool, including main body 1, fixed base 11 and the protection component for protecting work piece, protection component includes the vertical board 21 fixed connection with fixed base 11 bottom both sides respectively, with vertical board 21 links to two way screw rod 22, with two way screw rod 22 one end fixed connection motor 23, with two way screw rod 22 both sides links to drive block 24 respectively, with drive block 24 bottom fixed connection moving plate 25, the through -opening 26 of being set in moving plate 25 one side, the guide rod 27 of being located in through -opening 26, the spring 28 of being set in the guide rod 27 outside, with guide rod 27 one end fixed connection mounting seat 29, the clamping plate 30 of being located in mounting seat 29 one side and the installation component for replacing clamping plate 30, two way screw rod 22 and drive block 24 screw, two way screw rod 22 and vertical board 21 rotation connection, guide rod 27 and through -opening 26 sliding connection, motor 23 can drive two way screw rod 22 rotation, and then can make two drive block 24 reverse movement, and then can drive moving plate 25 and mounting seat 29 move, and then can drive clamping plate 30 move, can clamp and fix work piece, utilize the elasticity of spring 28 simultaneously, can buffer the clamping force, and then can protect work piece, prevent its damage, mounting seat 29 both sides are fixedly connected with the rotation stopper 41 respectively, moving plate 25 both sides are set with the rotation stopper 42 respectively, rotation stopper 41 and rotation stopper 42 sliding connection, mounting seat 29 can drive rotation stopper 41 sliding in rotation stopper 42, can prevent mounting seat 29 rotation, and then can prevent spring 28 rotation damage, fixed base 11 top both sides are set with support groove 71 respectively, support groove 71 sliding connection has support block 72, support block 72 and drive block 24 fixed connection, support block 72 can with drive block 24 synchronous rotation, prevent drive block 24 rotation through support block 72, guarantee drive block 24 transverse stable sliding, fixed base 11 top fixed connection has hydraulic cylinder 81, hydraulic cylinder 81 and main body 1 fixed connection, hydraulic cylinder 81 can push fixed base 11 vertical movement, is convenient for drive work piece vertical movement.
[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 And Figure 5The mounting component comprises a mounting groove 31 opened on one side of the mounting base 29, a mounting plate 32 fixedly connected with one side of the clamping plate 30, a fixing opening 33 opened on the bottom of the mounting plate 32, a threaded rod 34 connected with the bottom of the mounting base 29, a sliding plate 35 rotationally connected with the top of the threaded rod 34, a fixing rod 36 fixedly connected with the top of the sliding plate 35, and a knob 37 fixedly connected with the bottom of the threaded rod 34. The threaded rod 34 is rotationally connected with the mounting base 29, the fixing rod 36 is inserted into the fixing opening 33, the mounting plate 32 is inserted into the mounting groove 31, the threaded rod 34 is driven to rotate by rotating the knob 37, the sliding plate 35 and the fixing rod 36 are driven to move, the fixing rod 36 is inserted into the fixing opening 33, the clamping plate 30 can be fixed, and meanwhile, the clamping plate 30 can be conveniently released and disassembled, different shapes of clamping plates 30 can be replaced, different shapes of workpieces can be adapted, the inner wall of the mounting groove 31 is fixedly connected with a limiting block 51, a limiting groove 52 is opened on the top of the mounting plate 32, the limiting block 51 is inserted into the limiting groove 52, the clamping plate 30 can be vertically limited, and the clamping plate 30 is prevented from moving vertically. An auxiliary groove 61 is opened on one side in the mounting groove 31, an auxiliary block 62 is fixedly connected with one side of the sliding plate 35, the auxiliary block 62 is slidingly connected with the auxiliary groove 61, and the auxiliary block 62 can synchronously move with the sliding plate 35, and the sliding plate 35 is prevented from rotating.
[0025] Working principle: in work, firstly, according to the workpiece, the appropriate clamping plate 30 is selected, the mounting plate 32 on one side of the clamping plate 30 is inserted into the mounting groove 31, the limiting block 51 is inserted into the limiting groove 52 at this time, the knob 37 is rotated, the threaded rod 34 is driven to rotate by rotating the knob 37, the sliding plate 35 is driven to move by rotating the threaded rod 34, the fixing rod 36 is driven to move, the fixing rod 36 is inserted into the fixing opening 33, the clamping plate 30 can be fixed, the double-way screw rod 22 is driven to rotate by starting the motor 23, the two driving blocks 24 are driven to move to the middle, the moving plate 25 and the mounting base 29 are driven to move, the clamping plate 30 is driven to move, the clamping plate 30 is contacted with the workpiece and clamps the workpiece, the spring 28 is deformed along with the continuous movement of the moving plate 25, the clamping force is buffered, the workpiece is protected, and the workpiece is prevented from being damaged. 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 by the person skilled in the art.
[0026] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A mechanical hand gripping tool comprising a main body (1), a fixing seat (11) and a protection member for protecting a workpiece, characterized in that: The protection component includes vertical plates (21) fixedly connected with the bottom of the fixing seat (11) on both sides, a bidirectional screw rod (22) connected with the vertical plate (21), a motor (23) fixedly connected with one end of the bidirectional screw rod (22), driving blocks (24) connected with the bidirectional screw rod (22) on both sides, respectively, a moving plate (25) fixedly connected with the bottom of the driving block (24), an opening (26) formed on one side of the moving plate (25), a guide rod (27) arranged in the opening (26), a spring (28) sleeved outside the guide rod (27), a mounting seat (29) fixedly connected with one end of the guide rod (27), a clamping plate (30) arranged on one side of the mounting seat (29), and a mounting component for replacing the clamping plate (30), the bidirectional screw rod (22) is screwed with the driving block (24), the bidirectional screw rod (22) is rotationally connected with the vertical plate (21), and the guide rod (27) is slidingly connected with the opening (26).
2. The mechanical hand gripping tool according to claim 1, wherein: The mounting component includes a mounting groove (31) formed on one side of the mounting seat (29), a mounting plate (32) fixedly connected with one side of the clamping plate (30), a fixing opening (33) formed in the bottom of the mounting plate (32), a threaded rod (34) connected with the bottom of the mounting seat (29), a sliding plate (35) rotationally connected with the top of the threaded rod (34), a fixing rod (36) fixedly connected with the top of the sliding plate (35), and a knob (37) fixedly connected with the bottom of the threaded rod (34), the threaded rod (34) is rotationally connected with the mounting seat (29), the fixing rod (36) is inserted into the fixing opening (33), and the mounting plate (32) is inserted into the mounting groove (31).
3. The mechanical hand gripping tool according to claim 1, wherein: The mounting seat (29) is fixedly connected with a rotation stopping rod (41) on both sides, the moving plate (25) is formed with a rotation stopping opening (42) on both sides, and the rotation stopping rod (41) is slidingly connected with the rotation stopping opening (42).
4. The mechanical hand gripping tool according to claim 2, wherein: The inner wall of the mounting groove (31) is fixedly connected with a limiting block (51), the top of the mounting plate (32) is formed with a limiting groove (52), and the limiting block (51) is inserted into the limiting groove (52).
5. The mechanical hand gripping tool according to claim 2, wherein: One side of the mounting groove (31) is formed with an auxiliary groove (61), one side of the sliding plate (35) is fixedly connected with an auxiliary block (62), and the auxiliary block (62) is slidingly connected with the auxiliary groove (61).
6. The mechanical hand gripping tool according to claim 1, wherein: The top of the fixing seat (11) is fixedly connected with a hydraulic cylinder (81), and the hydraulic cylinder (81) is fixedly connected with the main body (1).
7. The mechanical hand gripping tool according to claim 1, wherein: The top of the fixing seat (11) is fixedly connected with a hydraulic cylinder (81), and the hydraulic cylinder (81) is fixedly connected with the main body (1).