Round-head hammer polishing clamping hand for mechanical arm
By designing a robotic arm to grind the gripper with a round-headed hammer, and utilizing a rotating mechanism driven by a movable cylinder and a motor to achieve internal fixation and rotation of the hammer head, the problem of repeatedly changing the hammer head gripping point is solved, thus improving processing efficiency and reducing grinding difficulty.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-03-24
AI Technical Summary
In existing technologies, the clamping points of the hammer need to be changed repeatedly, resulting in low processing efficiency.
A robotic arm was designed to use a round-headed hammer to grind a gripper. By combining a movable cylinder, a cylinder shaft, a fixed block, and a support plate, the internal fixing and rotation functions of the hammer head are achieved, avoiding direct clamping of the outer wall of the hammer head. The rotation of the hammer head is achieved by a motor driving a gear and a gear ring.
It improves the processing efficiency of the hammer head, reduces the grinding difficulty, and enhances the practicality of the device.
Smart Images

Figure CN224027319U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of hammer head polishing fixture, especially relates to a round head hammer polishing clamp hand for mechanical arm. BACKGROUND
[0002] The round head hammer for mechanical arm is a special tool combination, which combines the flexibility of the mechanical arm and the knocking function of the round head hammer to realize automatic or semi-automatic knocking operation, and is usually applied to occasions requiring high-precision, high-efficiency and repetitive knocking operation.
[0003] At present, the hammer head needs to be polished after casting, and the two sides and the side surface of the hammer head are polished smooth, and the round head hammer also needs to polish the hammer head into an arc, and the hammer head is generally polished by the mechanical arm clamping, and since the outer surface of the hammer head needs to be polished, the clamping point of the hammer head needs to be replaced repeatedly, and the processing efficiency is low. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of round head hammer polishing clamp hands for mechanical arm to solve the shortcomings of the clamping point of hammer head in prior art needs to be repeatedly replaced.
[0005] In order to solve the problems existing in the prior art, the utility model adopts the following technical scheme:
[0006] A kind of round head hammer polishing clamp hand for mechanical arm, including movable cylinder, cylinder shaft is slidably arranged on the movable cylinder, fixed ring is fixedly arranged on one side of the movable cylinder end cover, cylinder is rotatably arranged on one side of the fixed ring, fixed block is rotatably arranged at the end of the cylinder shaft, two pairs of support plates are arranged outside the cylinder, four pairs of rotating rods are arranged between the two pairs of support plates, the four pairs of rotating rods are rotatably connected with cylinder and fixed block respectively, the rotating rods are rotatably connected with each other in pairs, sliding block is rotatably arranged on the rotating rod, and the four pairs of sliding blocks are slidably connected with the two pairs of support plates respectively.
[0007] Preferably, the cylinder shaft penetrates the fixed ring and the cylinder.
[0008] Preferably, a pair of limiting plates are fixedly arranged on the cylinder and the fixed block, and the two pairs of limiting plates are slidably connected.
[0009] Preferably, the support plates are in the shape of a circular arc, and rubber pads are fixedly arranged outside the support plates.
[0010] Preferably, a fixed plate is fixedly arranged on the movable cylinder, a motor is fixedly arranged on the fixed plate, a gear is fixedly arranged on the output shaft of the motor, a tooth ring is fixedly arranged on the cylinder, and the gear is engaged with the tooth ring.
[0011] Preferably, a fixed frame is arranged on the movable cylinder.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] 1、In the utility model, two pairs of support plates are directly inserted into the hammer head, the movable cylinder contracts the cylinder shaft, the cylinder shaft drives the fixed block to move, the fixed block drives the rotating rod, the rotating rod drives the support plate to expand, the support plate fixes the hammer head from the inside, the mode of directly clamping the outer wall of the hammer head by the mechanical arm is abandoned, the surface of the hammer head is completely exposed, subsequent polishing is facilitated, the clamping point of the hammer head does not need to be repeatedly replaced, and the processing efficiency is higher.
[0014] 2、In the utility model, the motor drives the gear to rotate, the gear drives the gear ring to rotate through meshing, the gear ring drives the cylinder to rotate, the cylinder drives the fixed block to rotate through the limiting plate, the cylinder and the fixed block drive the rotating rod to rotate, the rotating rod drives the support plate to rotate, and the support plate drives the hammer head to rotate, so that the device has the function of rotation on the basis of clamping, the difficulty of polishing the hammer head is greatly reduced, and the device has high practicability. BRIEF DESCRIPTION OF DRAWINGS
[0015] The drawings described herein are used to provide further understanding of the utility model and constitute a part of the application, the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:
[0016] Figure 1 It is a front view structural schematic diagram of the utility model;
[0017] Figure 2 It is a rotating rod structural schematic diagram of the utility model;
[0018] Figure 3 It is a limiting plate structural schematic diagram of the utility model;
[0019] Figure 4 It is a gear and gear ring position relation schematic diagram of the utility model.
[0020] In the drawing, serial number: 1, movable cylinder;11, cylinder shaft;12, fixed ring;13, cylinder;14, fixed block;15, support plate;16, rotating rod;17, sliding block;2, limiting plate;3, rubber pad;4, fixed plate;41, motor;42, gear;43, gear ring;5, fixed frame. DETAILED DESCRIPTION
[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood in a broad sense, for example, "connected" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0023] Embodiment: The embodiment provides a round head hammer polishing clamp hand for a mechanical arm, referring to Figures 1-4 , specifically, including movable cylinder 1, movable cylinder 1 is provided with cylinder shaft 11 which slides, movable cylinder 1 end cover one side is fixedly provided with fixed ring 12, one side of fixed ring 12 is rotatably provided with cylinder 13, end of cylinder shaft 11 is rotatably provided with fixed block 14, two pairs of supporting plates 15 are arranged outside cylinder 13, four pairs of rotating rods 16 are arranged between the two pairs of supporting plates 15, the four pairs of rotating rods 16 are rotatably connected with cylinder 13 and fixed block 14 respectively, the four pairs of rotating rods 16 are rotatably connected with each other respectively, sliding block 17 is rotatably arranged on rotating rod 16, the four pairs of sliding blocks 17 are slidably connected with the two pairs of supporting plates 15 respectively, cylinder shaft 11 penetrates fixed ring 12 and cylinder 13, a pair of limiting plates 2 are fixedly arranged on cylinder 13 and fixed block 14, the two pairs of limiting plates 2 are slidably connected, fixed frame 5 is fixedly arranged on movable cylinder 1;
[0024] The two pairs of supporting plates 15 are directly inserted into the hammer head, the movable cylinder 1 contracts the cylinder shaft 11, the cylinder shaft 11 drives the fixed block 14 to move, the fixed block 14 drives the rotating rod 16, the rotating rod 16 drives the supporting plate 15 to support outward, the supporting plate 15 fixes the hammer head from the inside, abandoning the mode that the mechanical arm directly clamps the outer wall of the hammer head, the surface of the hammer head is completely exposed, which can facilitate subsequent polishing, so that the clamping point of the hammer head does not need to be repeatedly replaced, and the processing efficiency is higher;
[0025] The supporting plates 15 are all arc-shaped, and the rubber pads 3 are fixedly arranged on the outer sides of the supporting plates 15.
[0026] The rubber pads 3 avoid the direct contact between the supporting plates 15 and the inner wall of the hammer head, prevent the damage of the inner wall of the hammer head caused by excessive supporting force, and do not affect the subsequent installation and use of the hammer head.
[0027] The movable cylinder 1 is fixedly provided with a fixed plate 4, the fixed plate 4 is fixedly provided with a motor 41, the output shaft of the motor 41 is fixedly provided with a gear 42, the cylinder 13 is fixedly provided with a tooth ring 43, and the gear 42 is engaged with the tooth ring 43.
[0028] The motor 41 drives the gear 42 to rotate, the gear 42 drives the tooth ring 43 to rotate through engagement, the tooth ring 43 drives the cylinder 13 to rotate, the cylinder 13 drives the fixed block 14 to rotate through the limiting plate 2, the cylinder 13 and the fixed block 14 drive the rotating rod 16 to rotate, the rotating rod 16 drives the supporting plate 15 to rotate, and the supporting plate 15 drives the hammer head to rotate, so that the device has the rotating function on the basis of clamping, the difficulty of polishing the hammer head is greatly reduced, and the device has relatively high practicability.
[0029] Specifically, the working principle and the operation method of the utility model are as follows:
[0030] The two pairs of supporting plates 15 are directly inserted into the hammer head, the movable cylinder 1 is contracted, the cylinder shaft 11 drives the fixed block 14 to move, the fixed block 14 drives the rotating rod 16, the rotating rod 16 drives the supporting plate 15 to expand outward, and the supporting plate 15 fixes the hammer head from the inside, the mode that the mechanical arm directly clamps the outer wall of the hammer head is abandoned, the surface of the hammer head is completely exposed, subsequent polishing can be facilitated, the clamping point of the hammer head does not need to be repeatedly replaced, and the processing efficiency is relatively high.
[0031] The motor 41 drives the gear 42 to rotate, the gear 42 drives the tooth ring 43 to rotate through engagement, the tooth ring 43 drives the cylinder 13 to rotate, the cylinder 13 drives the fixed block 14 to rotate through the limiting plate 2, the cylinder 13 and the fixed block 14 drive the rotating rod 16 to rotate, the rotating rod 16 drives the supporting plate 15 to rotate, and the supporting plate 15 drives the hammer head to rotate, so that the device has the rotating function on the basis of clamping, the difficulty of polishing the hammer head is greatly reduced, and the device has relatively high practicability.
[0032] The above merely describes a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all of them should be covered in the protection scope of the utility model.
Claims
1. A round-head hammer polishing gripper for a robot arm, comprising a movable cylinder (1), characterized in that: The movable cylinder (1) is provided with a cylinder shaft (11) sliding thereon, a fixed ring (12) is fixedly arranged on one side of the end cover of the movable cylinder (1), a cylinder (13) is rotatably arranged on one side of the fixed ring (12), a fixed block (14) is rotatably arranged on the end portion of the cylinder shaft (11), two pairs of support plates (15) are arranged outside the cylinder (13), four pairs of rotating rods (16) are arranged between the two pairs of support plates (15), the four pairs of rotating rods (16) are rotatably connected with the cylinder (13) and the fixed block (14) respectively, the four pairs of rotating rods (16) are rotatably connected with each other respectively, and a sliding block (17) is rotatably arranged on the rotating rod (16).
2. The round-head hammer polishing and clamping hand for a mechanical arm according to claim 1, characterized in that: The cylinder shaft (11) penetrates the fixed ring (12) and the cylinder (13).
3. The round-head hammer polishing gripper for a mechanical arm according to claim 1, characterized in that: A pair of limiting plates (2) are fixedly arranged on the cylinder (13) and the fixed block (14), and the two pairs of limiting plates (2) are slidably connected.
4. The round-head hammer polishing gripper for a mechanical arm according to claim 1, characterized in that: The support plates (15) are in arc shape, and rubber pads (3) are fixedly arranged outside the support plates (15).
5. The round-head hammer polishing gripper for a mechanical arm according to claim 1, characterized in that: A fixed plate (4) is fixedly arranged on the movable cylinder (1), a motor (41) is fixedly arranged on the fixed plate (4), a gear (42) is fixedly arranged on the output shaft of the motor (41), a tooth ring (43) is fixedly arranged on the cylinder (13), and the gear (42) is engaged with the tooth ring (43).
6. The round-head hammer polishing gripper for a mechanical arm according to claim 1, characterized in that: A fixed frame (5) is fixedly arranged on the movable cylinder (1).