File grabbing mechanical arm with protection structure
By introducing a protective structure consisting of antistatic pads, soft pads, and limiting components onto the robotic arm, the problem of paper damage during the robotic arm's gripping of documents was solved, achieving safe gripping and efficient storage of documents.
Patent Information
- Application Number
- CN202520440387.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Existing robotic arms are prone to damaging paper when gripping documents, especially thin paper, which may tear at the edges or scratch the surface, affecting the appearance and content of the documents.
The document gripping robotic arm features a protective structure, including an antistatic pad, a soft pad, an anti-slip pad, and a limiting component. It achieves flexible gripping through a worm gear transmission system, and combined with a detachable mounting structure, it ensures the stability of the gripping process and prevents paper slippage.
It effectively prevents paper from being damaged by hard squeezing or friction during the gripping process, ensuring the integrity and usability of documents. It is simple to operate and easy to install and maintain.
Smart Images

Figure CN223802612U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical hand technical field especially relates to a file grabbing mechanical arm with protection structure. BACKGROUND
[0002] Mechanical arm is a kind of mechanical equipment that can imitate the part action of human arm, can realize the movement of multiple degrees of freedom in three-dimensional space, is composed of main frame, drive system, control system etc., can complete various tasks by programming or artificial control.In the file grabbing work, mechanical arm is used, because it can accurately position different position files, realizes efficient, fast grabbing, greatly improves file access efficiency, reduces the labor intensity of artificial operation.
[0003] In prior art, part mechanical arm is in use, because the mechanical arm grabbing part is mostly hard material, when directly contacting file, even small operation deviation, paper is extremely easy to appear damaged condition, like when frequently grabbing thin file paper, the rigid clamping action of mechanical arm often makes paper edge tear, or in the carrying process due to friction causes paper surface scratch, these damages not only affect the appearance of file, more seriously, can make file content missing, greatly influence normal use of file, for this, aiming at the above problems, a file grabbing mechanical arm with protection structure is provided to solve the above problems. UTILITY MODEL CONTENT
[0004] In order to make up for the above shortcomings, the utility model provides a file grabbing mechanical arm with protection structure, aims at improving the rigid clamping action of mechanical arm in prior art, often makes paper edge tear, or in the carrying process due to friction causes paper surface scratch, these damages not only affect the appearance of file, more seriously, can make file content missing, greatly influence normal use of file.
[0005] In order to realize the above purpose, the utility model adopts the following technical scheme:
[0006] A file grabbing mechanical arm with protection structure, including mechanical hand, the top of the mechanical hand is fixedly connected with connecting plate, the inside of the connecting plate is fixedly connected with motor, the drive end of the motor is fixedly connected with worm, the inside of the connecting plate is rotatably connected with two worm gears, the other end of the worm gear is rotatably connected with link plate, the outside of the link plate is fixedly connected with clamping plate, the outside of the clamping plate is fixedly connected with antistatic pad, the other side of the antistatic pad is fixedly connected with soft pad, the outside of the link plate is provided with limit assembly, the bottom of the mechanical hand is provided with mounting assembly;
[0007] As a further description of the above technical scheme:
[0008] The limiting assembly comprises two limiting plates, one end of the limiting plate is rotationally connected to the inside of the connecting plate, the other end of the limiting plate is rotationally connected to the outside of the connecting plate, the bottom of the connecting plate is provided with a sliding groove, and the soft pad is fixedly connected with a plurality of anti-skid pads on the side away from the anti-static pad.
[0009] As a further description of the above technical solution:
[0010] The external teeth of the worm are in meshing connection with the external teeth of the two worm gears, and the external of the worm gear and the external of the limiting plate are both slidingly connected to the inner wall of the sliding groove.
[0011] As a further description of the above technical solution:
[0012] The bottom of the mechanical hand is fixedly connected with a base, and the bottom of the base is detachably connected with a mounting seat.
[0013] As a further description of the above technical solution:
[0014] The mounting assembly comprises a plurality of fixed columns, the outside of the fixed column is detachably connected to the inside of the base, the inside of the fixed column is provided with a cavity, the inner wall of the cavity is slidingly connected with an adjusting column, the top of the adjusting column is fixedly connected with a handle, the bottom of the adjusting column is fixedly connected with a protruding block, and the outside of the adjusting column is sleeved with a spring.
[0015] As a further description of the above technical solution:
[0016] One end of the spring is fixedly connected to the outside of the adjusting column, and the other end of the spring is fixedly connected to the inner wall of the cavity.
[0017] As a further description of the above technical solution:
[0018] The inside of the cavity is provided with two steel balls, and the left and right sides of the fixed column are provided with a movable groove.
[0019] As a further description of the above technical solution:
[0020] The outside of the steel ball is slidingly connected to the inner wall of the movable groove, and the inside of the mounting seat is provided with a plurality of clamping grooves.
[0021] As a further description of the above technical solution:
[0022] The outside of the steel ball is clamped with the inner wall of the clamping groove, and the outside of the fixed column is slidingly connected to the inner wall of the clamping groove.
[0023] The utility model has the advantages of:
[0024] 1. The utility model discloses a buffer effect is played to when clamping plate is caught file, and is pasted file surface, prevents rigid extrusion injury, and the non -skid pad is made of high friction material, provides additional friction after clamping plate clamps file, avoids the paper from falling off due to gravity or external force, and all -sided protection ensures that file is not damaged in the process of catching.
[0025] 2. The utility model discloses, operating handle control adjustment post drives the lug downward, and the spring is compressed to make the lug and steel ball contact, and steel ball can be freely moved in the movable slot, when fixed column and the bottom end inner wall of card slot contact, release the handle, and spring resets and drives the lug upward extrusion steel ball, makes it and the inner wall of card slot and is locked, when disassembling, reverse operation adjustment post is unlocked, can the fixed column be taken out from the mounting seat, and the separation of base and mounting seat is completed, simple operation, the subsequent maintenance work of convenient mechanical arm in different scenes installation. ACCURACY OF DRAWINGS
[0026] Figure 1 It is a three-dimensional schematic view of the file catching mechanical arm with the protection structure provided by the utility model;
[0027] Figure 2 It is a structural schematic view of the file catching mechanical arm connecting plate with the protection structure provided by the utility model;
[0028] Figure 3 It is Figure 2 the enlarged view of A in the middle;
[0029] Figure 4 It is a structural schematic view of the file catching mechanical arm base with the protection structure provided by the utility model.
[0030] LEGEND:
[0031] 1, mechanical hand;2, connecting plate;3, motor;4, worm;5, worm wheel;6, limit plate;7, link plate;8, clamping plate;9, antistatic pad;10, soft pad;11, non -skid pad;12, base;13, mounting seat;14, fixed column;15, cavity;16, adjustment post;17, handle;18, lug;19, spring;20, steel ball;21, movable slot;22, card slot. DETAILED DESCRIPTION
[0032] The technical solutions 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, rather than 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 protection of the utility model.
[0033] Referring to Figures 1 to 3 The utility model provides an embodiment with a protection structure's file grabbing mechanical arm, including manipulator 1, manipulator 1 is the core of entire file grabbing mechanical arm, the top fixedly connected with connecting plate 2 of manipulator 1, the inside fixedly connected with motor 3 of connecting plate 2, motor 3 is the power source of entire file grabbing mechanical arm, the drive end fixedly connected with worm 4 of motor 3, under the drive of motor 3, worm 4 starts to rotate in circumference.
[0034] The inside space of connecting plate 2 provides the basis for installation and operation for important components such as motor 3 and worm 4. Two worm gears 5 are rotatably connected inside the connecting plate 2. When the worm 4 starts to rotate under the drive of the motor 3, the teeth on the outside of the worm 4 gradually engage with the teeth on the top of the worm gear 5. With the continuous rotation of the worm 4, the worm gear 5 starts to expand outward under the force of the teeth. When the teeth at the bottom of the worm gear 5 engage with the teeth at the bottom of the worm 4, the worm gear 5 gradually approaches.
[0035] The other end of the worm gear 5 is rotatably connected to the adapter plate 7. The clamping plate 8 is fixedly connected to the outside of the adapter plate 7. The clamping plate 8 is the structure that directly contacts the file data and realizes the grabbing function. The adapter plate 7 can withstand the power transmitted from the worm gear 5 and can also adapt to the slight angle adjustment of the clamping plate 8 when grabbing the file data. The outside of the clamping plate 8 is fixedly connected to the anti-static pad 9. The main function of the anti-static pad 9 is to effectively avoid static electricity generated after the clamping plate 8 contacts the file data.
[0036] The other side of the anti-static pad 9 is fixedly connected to the soft pad 10. The soft pad 10 can play a buffering role when the clamping plate 8 grabs the file data, avoiding hard extrusion and damage to the surface of the file data. The outside of the adapter plate 7 is provided with a limiting assembly. The limiting assembly includes two limiting plates 6. One end of the limiting plate 6 is rotatably connected to the inside of the connecting plate 2. The outside of the worm gear 5 and the outside of the limiting plate 6 are both slidingly connected to the inner wall of the sliding groove, further accurately controlling the movement range and ensuring the stability and accuracy of the entire grabbing process.
[0037] The other end of the limiting plate 6 is rotatably connected to the outside of the adapter plate 7. The bottom of the connecting plate 2 is provided with a sliding groove. The side of the soft pad 10 away from the anti-static pad 9 is fixedly connected to a plurality of anti-skid pads 11. The function of the anti-skid pads 11 is to avoid the paper or file from sliding down due to gravity or other external forces during the process of grabbing the file data.
[0038] Referring to Figure 4The bottom of the mechanical arm 1 is fixedly connected with a base 12, the base 12 plays an important role in supporting and connecting, the bottom of the base 12 is detachably connected with a mounting seat 13, the mounting seat 13 provides a stable mounting basis for the mechanical arm 1. The bottom of the mechanical arm 1 is provided with a mounting assembly, the mounting assembly comprises a plurality of fixed columns 14, the outer part of the plurality of fixed columns 14 is detachably connected to the inner part of the base 12, the fixed column 14 is a key structure for detachably connecting the base 12 and the mounting seat 13, the inner part of the fixed column 14 is provided with a cavity 15, which has high flatness and smoothness.
[0039] The inner wall of the cavity 15 is slidably connected with an adjusting column 16, the adjusting column 16 plays an important role in controlling the internal locking structure in the inner cavity 15 of the fixed column 14. The top of the adjusting column 16 is fixedly connected with a handle 17, the handle 17 provides a convenient operating point for the operator. The bottom of the adjusting column 16 is fixedly connected with a protrusion 18, the outer part of the adjusting column 16 is sleeved with a spring 19, one end of the spring 19 is fixedly connected to the outer part of the adjusting column 16, the spring 19 can provide stable elastic force during the up and down movement of the adjusting column 16.
[0040] The other end of the spring 19 is fixedly connected to the inner wall of the cavity 15, when the operator presses the handle 17 downward, the adjusting column 16 drives the protrusion 18 to move downward, the spring 19 is compressed and stores elastic potential energy. The inner part of the cavity 15 is provided with two steel balls 20, when the operator presses the handle 17 downward, the adjusting column 16 drives the protrusion 18 to move downward, the protrusion 18 will be out of contact with the steel ball 20. At this time, the elastic force direction of the spring 19 is opposite to the moving direction of the adjusting column 16, which hinders the continuous downward movement of the adjusting column 16. When the handle 17 is released, the spring 19 releases the stored elastic potential energy, and its elastic force pushes the adjusting column 16 to reset upward, thereby driving the protrusion 18 to move upward, realizing the extrusion of the steel ball 20 and the locking function between the fixed column 14 and the mounting seat 13.
[0041] The left and right sides of the fixed column 14 are both provided with a movable groove 21, the outer part of the steel ball 20 is slidably connected to the inner wall of the movable groove 21, the movable groove 21 is matched with the diameter of the steel ball 20, ensuring that the steel ball 20 can smoothly slide therein, the inner part of the mounting seat 13 is provided with a plurality of clamping grooves 22, the outer part of the fixed column 14 is slidably connected to the inner wall of the clamping groove 22, when the outer diameter of the steel ball 20 is clamped with the inner diameter of the movable groove 21, the steel ball 20 is further clamped with the inner wall of the clamping groove 22, thereby firmly locking the fixed column 14 in the clamping groove 22 of the mounting seat 13, realizing the stable connection between the base 12 and the mounting seat 13. The outer part of the steel ball 20 is clamped with the inner wall of the clamping groove 22, the steel ball 20 loses the extrusion effect of the protrusion 18 and can freely move in the movable groove 21.
[0042] When the handle 17 is loosened, the adjusting column 16 drives the lug 18 to reset upward under the elastic force of the spring 19, the lug 18 gradually approaches the steel ball 20, and with the continuous movement of the lug 18, the steel ball 20 is pressed to move to the inner wall of the movable groove 21 on both sides, and finally is clamped with the inner wall of the clamping groove 22, so as to realize the locking between the fixing column 14 and the mounting seat 13.
[0043] Working principle: first, the mechanical hand 1 is placed in a suitable position, then the base 12 is placed on the top of the mounting seat 13, then the fixing column 14 is placed in the four corners of the base 12, then the fixing column 14 is pressed downward and rotated, with the movement of the fixing column 14, the lug 18 moves downward, and the spring 19 is compressed under stress, the lug 18 is no longer in contact with the steel ball 20, when the fixing column 14 contacts the inner wall at the bottom of the clamping groove 22, the handle 17 is loosened, at this time the spring 19 is no longer compressed under stress, and the lug 18 resets upward due to its elastic characteristics, with the continuous movement of the lug 18, the steel ball 20 is pressed, so that the steel ball 20 enters the inner wall of the movable groove 21 on both sides, when the outer diameter of the steel ball 20 is clamped with the inner diameter of the movable groove 21, the steel ball 20 is clamped with the inner wall of the clamping groove 22, at this time the base 12 can be fixed on the top of the mounting seat 13.
[0044] Then the direction of grabbing is changed by the mechanical hand 1, then the motor 3 is started, and the worm 4 rotates under the drive of the motor 3, with the rotation of the worm 4, the two side worm gears 5 rotate, when the teeth at the top of the worm gears 5 engage with the teeth outside the worm 4, the two worm gears 5 expand outward, and the two limiting plates 6 also expand outward, when the teeth at the bottom of the worm gears 5 engage with the teeth at the bottom of the worm 4, the two worm gears 5 gradually approach, and the two limiting plates 6 also gradually approach, at this time the worm gears 5 and the limiting plates 6 can push the clamping plates 8 to grab the data, and the antistatic pad 9 can avoid static electricity generated after the clamping plates 8 contact the data, the soft pad 10 can increase the flexibility of the clamping plates 8, and the non-slip pad 11 can prevent the paper from slipping.
[0045] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. An archival grabbing robot with a protective structure, comprising a manipulator (1), characterized in that: The top of the mechanical arm (1) is fixedly connected with a connecting plate (2), the inside of the connecting plate (2) is fixedly connected with a motor (3), the driving end of the motor (3) is fixedly connected with a worm (4), the inside of the connecting plate (2) is rotatably connected with two worm gears (5), the other end of the worm gear (5) is rotatably connected with a connecting plate (7), the outside of the connecting plate (7) is fixedly connected with a clamping plate (8), the outside of the clamping plate (8) is fixedly connected with an antistatic pad (9), the other side of the antistatic pad (9) is fixedly connected with a soft pad (10), the outside of the connecting plate (7) is provided with a limiting assembly, and the bottom of the mechanical arm (1) is provided with a mounting assembly.
2. The archive grabbing robot with a protection structure according to claim 1, characterized in that: The limiting assembly comprises two limiting plates (6), one end of the limiting plate (6) is rotatably connected to the inside of the connecting plate (2), the other end of the limiting plate (6) is rotatably connected to the outside of the connecting plate (7), the bottom of the connecting plate (2) is provided with a sliding groove, and the side, away from the antistatic pad (9), of the soft pad (10) is fixedly connected with a plurality of anti-skid pads (11).
3. The archival grabbing robot with a protective structure according to claim 2, wherein: The external teeth of the worm (4) are meshedly connected with the external teeth of the two worm gears (5), and the outside of the worm gear (5) and the outside of the limiting plate (6) are both slidably connected to the inner wall of the sliding groove.
4. The archive grabbing robot with a protection structure according to claim 1, characterized in that: The bottom of the mechanical arm (1) is fixedly connected with a base (12), and the bottom of the base (12) is detachably connected with a mounting seat (13).
5. The archival grasping robot arm with a protective structure according to claim 4, wherein: The mounting assembly comprises a plurality of fixed columns (14), the outside of the fixed column (14) is detachably connected to the inside of the base (12), the inside of the fixed column (14) is provided with a cavity (15), the inner wall of the cavity (15) is slidably connected with an adjusting column (16), the top of the adjusting column (16) is fixedly connected with a handle (17), the bottom of the adjusting column (16) is fixedly connected with a protruding block (18), and the outside of the adjusting column (16) is sleeved with a spring (19).
6. The archival grabbing robot with a protective structure according to claim 5, wherein: One end of the spring (19) is fixedly connected to the outside of the adjusting column (16), and the other end of the spring (19) is fixedly connected to the inner wall of the cavity (15).
7. The archival grabbing robot with a protective structure according to claim 5, wherein: The inside of the cavity (15) is provided with two steel balls (20), and the left and right sides of the fixed column (14) are both provided with a movable groove (21).
8. The archival grabbing robot with a protection structure according to claim 7, characterized in that: The outside of the steel ball (20) is slidably connected to the inner wall of the movable groove (21), and the inside of the mounting seat (13) is provided with a plurality of clamping grooves (22).
9. The archival grasping robot arm with a protective structure according to claim 8, characterized in that: The outside of the steel ball (20) is clamped with the inner wall of the clamping groove (22), and the outside of the fixed column (14) is slidably connected to the inner wall of the clamping groove (22).