Mechanical arm tail end connecting device used for being connected with operation tool

By combining clamps, positioning rods, and springs, the design solves the problems of complex installation and loosening of traditional robotic arm end effector devices, enabling fast and stable connection, simplified disassembly, and convenient tool replacement.

CN223573217UActive Publication Date: 2025-11-21XIHUA UNIV
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Patent Information

Application Number
CN202423125018.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-11-21
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Traditional robotic arm end effector connections are complex to install and disassemble, and are prone to loosening or damage during long-term use or when changing tools, affecting the stability and flexibility of the connection.

Method used

It adopts a combination design of clamping plate, positioning rod, spring and snap-fit ​​mechanism to achieve quick positioning and locking through sliding connection and elastic compression, and simplifies the disassembly process through connecting rod and snap-fit ​​mechanism.

Benefits of technology

It enables a quick and stable connection between the work tools and the robotic arm, simplifies the disassembly and replacement process, and improves work efficiency and flexibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mechanical arm tail end connecting device for connecting an operation tool, which relates to the technical field of mechanical arm connecting devices and comprises a device body and a mounting plate, clamping plates are slidably connected to the left side and the right side of the mounting plate, a tightening mechanism is mounted in the mounting plate, and a positioning rod is fixedly connected to one side of each clamping plate. A clamping hole is formed in the outer portion of the positioning rod, mounting grooves are formed in the two sides of the connecting base, connecting grooves are formed in the upper sides of the mounting grooves, positioning mechanisms are installed in the connecting grooves, sliding grooves are formed in the upper side of the connecting base, pull rods are slidably connected to the inner sides of the sliding grooves, through holes are formed in the outer portions of the pull rods, and clamping mechanisms are installed on the upper side of the connecting base. And a mounting seat is fixedly connected outside the mounting plate. According to the device, rapid and stable connection of the operation tool and the mechanical arm is achieved, the disassembly and replacement process is greatly simplified, the operation efficiency and flexibility are improved, and a more efficient and convenient solution is provided for automatic operation.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical arm connecting device technical field, specifically, relate to a kind of mechanical arm end connecting device for connecting operation tool. BACKGROUND

[0002] With the rapid development of automation technology and its wide application in various industries, mechanical arms play an increasingly important role in performing various types of tasks. As a key component connecting the operation tool and the actuator, the design of the mechanical arm end connecting device directly affects the efficiency and flexibility of task execution. Traditional mechanical arm end connecting devices are mostly fixed in design, such as bolt fastening or buckle locking. These designs meet the basic connection needs to some extent, but in actual application, they expose a series of problems.

[0003] For example, bolt fastening requires additional tools, and the installation and removal process is complex and time-consuming, which not only reduces work efficiency, but also increases the difficulty of operation in emergency situations. Secondly, although the buckle locking method simplifies the installation steps and improves work efficiency, it is prone to looseness or damage during long-term use, especially when subjected to large forces or frequent replacement of operation tools, affecting the stability and reliability of the connection. In addition, traditional connecting devices usually require complex adjustments when replacing different models of operation tools or connecting seats, which not only increases the workload of operators, but also limits the adaptability of mechanical arms in variable operating environments. Therefore, to address the above technical problems, a mechanical arm end connecting device for connecting operation tools is proposed. SUMMARY

[0004] The utility model aims to provide a kind of mechanical arm end connecting device for connecting operation tools, which not only realizes the quick and stable connection of operation tools and mechanical arms, but also greatly simplifies the disassembly and replacement process, improves work efficiency and flexibility, and provides a more efficient and convenient solution for automated operations.

[0005] The utility model is implemented by the following technical solutions:

[0006] A kind of mechanical arm end connecting device for connecting operation tool, including device main body and mounting plate, the outside of device main body is fixedly connected with connecting seat, the left and right sides of mounting plate are slidably connected with clamping plate, the inside of mounting plate is installed with tightening mechanism, one side of clamping plate is fixedly connected with positioning rod, the outside of positioning rod is provided with clamping hole, the two sides of connecting seat are provided with mounting slot, the upper side of mounting slot is provided with connecting slot, the inside of connecting slot is installed with positioning mechanism, the upper side of connecting seat is provided with sliding slot, and sliding slot is communicated with connecting slot, the inside of sliding slot is slidably connected with pull rod, the outside of pull rod is provided with through hole, the upper side of connecting seat is installed with clamping mechanism, the outside of mounting plate is fixedly connected with mounting seat, and the inside of mounting seat is marked with screw thread.

[0007] Preferably, the tightening mechanism includes a baffle and a first spring, the baffle is fixedly connected to the middle part of the inside of the mounting plate, the first spring is fixedly connected to the two sides of the baffle, and the end of the first spring is fixedly connected to one side of the clamping plate, the outside of the clamping plate is fixedly connected with a pull plate.

[0008] Preferably, the inside of the mounting slot is slidably connected with a connecting block, the inside of the mounting slot is fixedly connected with a second spring, and the end of the second spring is fixedly connected to one side of the connecting block.

[0009] Preferably, the positioning mechanism includes a third spring and a wedge-shaped block, the third spring is fixedly connected to the inside of the connecting slot, the wedge-shaped block is fixedly connected to the end of the third spring, and the end of the wedge-shaped block extends into the inside of the mounting slot, the wedge-shaped block is matched with the clamping hole, and the end of the wedge-shaped block is provided with an inclined surface close to the opening side of the mounting slot.

[0010] Preferably, the top of the two groups of pull rods is fixedly connected with a connecting rod.

[0011] Preferably, the clamping mechanism includes a vertical plate, a horizontal slot, a sliding rod and a clamping rod, the vertical plate is fixedly connected to the upper side of the connecting seat, and the number of the vertical plate is four and is symmetrically arranged, the horizontal slot is provided on the outside of the vertical plate, the sliding rod is slidably connected between the two groups of horizontal slots, the clamping rod is fixedly connected to the outside of the sliding rod, and the clamping rod is matched with the through hole.

[0012] Preferably, the outside of the device main body is fixedly connected with a connecting plate, and the outside of the connecting plate is provided with a mounting hole.

[0013] The technical scheme of the utility model has at least the following beneficial effects:

[0014] The utility model provides a kind of mechanical arm end connecting device for connecting operation tool, in assembly process, by pulling the pull plate of clamping plate both sides, not only stretch the first spring inside mounting plate, enough operating space for the alignment of positioning rod and installation groove is provided, after positioning rod is inserted installation groove, its end will extrude the inclined surface of wedge block under the tension of first spring, prompting wedge block to shrink into connecting groove and compress third spring, with the continuous advance of positioning rod, when card hole and wedge block are aligned, wedge block is quickly clamped into card hole under the impetus of third spring, preliminary positioning locking is realized, simultaneously, positioning rod also abuts with connecting block in advancing process, compresses second spring, further enhances the stability of connection, in addition, when needing to disassemble and replace mounting seat, just by pulling up connecting rod, make pull rod from slide groove pull out, control through-hole and card rod alignment, wedge block can be easily pulled out, positioning rod is pulled out at this time, the disassembly of entire structure is completed, another connection mode's mounting seat is replaced easily. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic diagram of the utility model;

[0016] Figure 2 It is the first local structure front view of the utility model;

[0017] Figure 3 It is the second overall structure schematic diagram of the utility model;

[0018] Figure 4 It is Figure 3 The enlarged view of A in;

[0019] Figure 5 It is the second local structure front view of the utility model;

[0020] Figure 6 It is Figure 5 The enlarged view of B in;

[0021] Figure 7 It is Figure 5 The enlarged view of C in;

[0022] Figure 8 It is Figure 1 The enlarged view of D in;

[0023] Icon: 1, device body; 2, connecting seat; 3, mounting plate; 4, clamping plate; 5, partition; 6, first spring; 7, pull plate; 8, positioning rod; 9, card hole; 10, mounting groove; 11, connecting block; 12, second spring; 13, connecting groove; 14, third spring; 15, wedge block; 16, sliding groove; 17, pull rod; 18, through hole; 19, connecting rod; 20, vertical plate; 21, transverse groove; 22, sliding rod; 23, clamping rod; 24, mounting seat; 25, connecting plate; 26, mounting hole. DETAILED DESCRIPTION

[0024] 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.

[0025] Please refer to Figures 1-8 The utility model proposes a kind of mechanical arm end connecting device for connecting operation tool, including device body 1 and mounting plate 3, the outside of device body 1 is fixedly connected with connecting seat 2, the left and right sides of mounting plate 3 are slidably connected with clamping plate 4, and clamping plate 4 is fixedly connected with positioning rod 8 on one side, positioning rod 8 is externally provided with card hole 9, the two sides of connecting seat 2 are provided with mounting groove 10, and mounting groove 10 is provided with connecting groove 13 on the upper side, and connecting groove 13 is internally provided with positioning mechanism, the upper side of connecting seat 2 is provided with sliding groove 16, and sliding groove 16 is communicated with connecting groove 13, and pull rod 17 is slidably connected in the inner side of sliding groove 16, and pull rod 17 is externally provided with through hole 18, and connecting seat 2 is installed with clamping mechanism on the upper side, and mounting seat 24 is fixedly connected on the outside of mounting plate 3, and the inside of mounting seat 24 is engraved with thread.

[0026] The tightening mechanism includes partition 5 and first spring 6, partition 5 is fixedly connected to the middle part of the inner side of mounting plate 3, first spring 6 is fixedly connected to the two sides of partition 5, and the end of first spring 6 is fixedly connected to one side of clamping plate 4, and clamping plate 4 is fixedly connected with pull plate 7 outside.

[0027] Connecting block 11 is slidably connected to the inner side of mounting groove 10, second spring 12 is fixedly connected to the inner side of mounting groove 10, and the end of second spring 12 is fixedly connected to one side of connecting block 11, and setting connecting block 11 and second spring 12 can play auxiliary positioning effect.

[0028] The positioning mechanism comprises a third spring 14 and a wedge block 15. The third spring 14 is fixedly connected to the inner side of the connecting groove 13. The wedge block 15 is fixedly connected to the end of the third spring 14. The end of the wedge block 15 extends into the interior of the mounting groove 10. The wedge block 15 is matched with the clamping hole 9. A slope is formed on the side of the wedge block 15 close to the opening of the mounting groove 10.

[0029] The top portions of the two groups of pull rods 17 are fixedly connected with a connecting rod 19. The connecting rod 19 is arranged to facilitate the synchronous movement of the two groups of pull rods 17.

[0030] The clamping mechanism comprises a vertical plate 20, a horizontal groove 21, a sliding rod 22 and a clamping rod 23. The vertical plate 20 is fixedly connected to the upper side of the connecting seat 2. The number of the vertical plate 20 is four and the vertical plate 20 is symmetrically arranged. The horizontal groove 21 is formed on the outer side of the vertical plate 20. The sliding rod 22 is slidingly connected between the two groups of horizontal grooves 21. The clamping rod 23 is fixedly connected to the outer side of the sliding rod 22. The clamping rod 23 is matched with the through hole 18.

[0031] The device body 1 is fixedly connected with a connecting plate 25. The connecting plate 25 is externally provided with a mounting hole 26. The mounting hole 26 on the connecting plate 25 facilitates the mounting of the device body 1 on the mechanical arm of the work robot.

[0032] The working principle of the end connecting device of the mechanical arm for connecting the working tool based on the embodiment is that when the device is assembled, first, the pull plates 7 on both sides of the clamping plates 4 are pulled out to a sufficient length, the first springs 6 inside the mounting plates 3 are stretched, then the mounting plates 3 are controlled to be close to the connecting seat 2, the positioning rods 8 are aligned with the mounting grooves 10, the pull plates 7 are released gently, the positioning rods 8 are controlled to be inserted into the mounting grooves 10, at this time, the positioning rods 8 are pressed against the inclined surface of the wedge-shaped blocks 15 under the pulling force of the first springs 6, the wedge-shaped blocks 15 are retracted into the connecting grooves 13 under the force, the third springs 14 are compressed, when the positioning rods 8 continuously advance until the clamping holes 9 are aligned with the wedge-shaped blocks 15, the wedge-shaped blocks 15 are quickly clamped into the clamping holes 9 under the pushing of the third springs 14, and in the process of continuous advancement of the positioning rods 8, the connecting blocks 11 are abutted to move inward and compress the second springs 12, so that the positioning rods 8 are limited by the mounting grooves 10 and the limiting force of the first springs 6 and the second springs 12, and the positioning effect of the wedge-shaped blocks 15 is combined, the two sets of clamping plates 4 can be quickly and stably installed, then the working tool is installed into the mounting seat 24 through the threads, so that the working tool can be quickly installed by the mechanical arm, and when another type of mounting seat 24 needs to be disassembled and replaced, the connecting rod 19 is pulled up, the pull rod 17 is pulled out of the sliding groove 16, the through hole 18 is controlled to be aligned with the clamping rod 23, at this time, the wedge-shaped blocks 15 are pulled out of the clamping holes 9, then the clamping rod 23 is clamped into the through hole 18 by sliding the sliding rod 22 in the transverse groove 21, the positioning clamping of the pull rod 17 is completed, at this time, the clamping plates 4 on both sides are pulled out, the positioning rods 8 are pulled out, the structure is disassembled, and the mounting seat 24 of another connecting mode is replaced, which is more convenient.

[0033] Although the embodiments of the utility model 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 utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A robotic arm end effector for connecting working tools, characterized in that: The device includes a main body (1) and a mounting plate (3). A connecting seat (2) is fixedly connected to the outside of the main body (1). Clamping plates (4) are slidably connected to the left and right sides of the mounting plate (3). A tightening mechanism is installed inside the mounting plate (3). A positioning rod (8) is fixedly connected to one side of the clamping plate (4). A locking hole (9) is provided on the outside of the positioning rod (8). Mounting grooves (10) are provided on both sides of the connecting seat (2). A connecting groove (9) is provided on the upper side of the mounting groove (10). 13) A positioning mechanism is installed inside the connecting groove (13). A sliding groove (16) is opened on the upper side of the connecting seat (2), and the sliding groove (16) is connected to the connecting groove (13). A pull rod (17) is slidably connected to the inner side of the sliding groove (16). A through hole (18) is opened on the outer side of the pull rod (17). A snap-fit ​​mechanism is installed on the upper side of the connecting seat (2). A mounting seat (24) is fixedly connected to the outer side of the mounting plate (3), and the mounting seat (24) is threaded inside.

2. The robotic arm end effector for connecting working tools according to claim 1, characterized in that: The tightening mechanism includes a partition (5) and a first spring (6). The partition (5) is fixedly connected to the middle part of the inner side of the mounting plate (3). The first spring (6) is fixedly connected to both sides of the partition (5), and the end of the first spring (6) is fixedly connected to one side of the clamping plate (4). A pull plate (7) is fixedly connected to the outside of the clamping plate (4).

3. The robotic arm end effector for connecting working tools according to claim 1, characterized in that: A connecting block (11) is slidably connected to the inner side of the mounting groove (10), and a second spring (12) is fixedly connected inside the mounting groove (10), with the end of the second spring (12) fixedly connected to one side of the connecting block (11).

4. The robotic arm end effector for connecting working tools according to claim 1, characterized in that: The positioning mechanism includes a third spring (14) and a wedge block (15). The third spring (14) is fixedly connected to the inner side of the connecting groove (13). The wedge block (15) is fixedly connected to the end of the third spring (14), and the end of the wedge block (15) extends into the interior of the mounting groove (10). The wedge block (15) matches the card hole (9), and the wedge block (15) has an inclined surface on the side near the opening of the mounting groove (10).

5. The robotic arm end effector for connecting working tools according to claim 1, characterized in that: A connecting rod (19) is fixedly connected between the tops of the two sets of tie rods (17).

6. The robotic arm end effector for connecting working tools according to claim 1, characterized in that: The snap-fit ​​mechanism includes a vertical plate (20), a transverse groove (21), a slide rod (22), and a locking rod (23). The vertical plate (20) is fixedly connected to the upper side of the connecting seat (2), and there are four sets of vertical plates (20) arranged symmetrically. The transverse groove (21) is opened on the outside of the vertical plate (20). The slide rod (22) is slidably connected between two sets of the transverse grooves (21). The locking rod (23) is fixedly connected to the outside of the slide rod (22), and the locking rod (23) matches the through hole (18).

7. The robotic arm end effector for connecting working tools according to claim 1, characterized in that: A connecting plate (25) is fixedly connected to the outside of the main body (1) of the device, and the connecting plate (25) has mounting holes (26) on its outside.