An industrial robot telescopic shaft

Abstract

This utility model relates to the field of industrial robot parts technology, and discloses an industrial robot telescopic shaft, including a base tube and a telescopic shaft. The telescopic shaft moves telescopically inside the base tube. A connecting block one is installed at the tail end of the base tube, and a connecting block two is installed at the extended end of the telescopic shaft. A positioning tube is sleeved on the outside of the base tube, and the tail end of the positioning tube is fixedly connected to the connecting block one. A protective sleeve is slidably sleeved on the outside of the positioning tube, and the end of the protective sleeve is connected to the connecting block two. The inner wall of the protective sleeve is provided with multiple sets of limiting strips, and the outside of the positioning tube is provided with multiple sets of limiting grooves, in which the limiting strips slide. The advantages of this utility model compared with the prior art are: by the protective sleeve being sleeved on the outside of the telescopic shaft and the base tube, the telescopic shaft is prevented from bending and dust from accumulating on the outside; by the limiting strips and limiting grooves, the protective sleeve is prevented from rotating outside the positioning tube, thus limiting the telescopic shaft and preventing it from rotating inside the base tube, which would cause damage to the telescopic shaft.

Description

Technical Field

[0001] This utility model relates to the field of industrial robot parts technology, specifically to an industrial robot telescopic shaft. Background Technology

[0002] Industrial robots can perform various desired tasks according to predetermined programs, replacing heavy human labor to achieve mechanization and automation of production. An industrial robot consists of a robotic arm and an end effector mounted on the wrist at the end of the robotic arm, such as a welding torch, a spray gun, or a gripper. By installing different actuators, industrial robots can perform different industrial tasks. A telescopic shaft is often installed between the end effector and the robotic arm; this shaft is responsible for extending and retracting, thereby moving the end effector and adjusting its working position as needed.

[0003] Existing industrial robot telescopic axes lack a stable positioning structure. Under prolonged operation with a heavy end effector, the telescopic axis is prone to bending or rotation due to the weight of the end effector, causing damage to the telescopic axis. In addition, the telescopic axis is exposed on the outside, making it susceptible to bumps and knocks during use. Furthermore, dust can accumulate on the telescopic axis and be introduced into the base tube, affecting its normal use and reducing its service life.

[0004] To address the aforementioned technical problems, this application proposes a telescopic shaft for industrial robots. Utility Model Content

[0005] I. Technical problems to be solved

[0006] The technical problem this invention aims to solve is that the telescopic shaft is prone to bending or rotation due to the weight of the end effector. The telescopic shaft is exposed on the outside and is easily bumped during use, and it also gets dusty.

[0007] II. Technical Solution

[0008] To solve the above technical problems, the technical solution provided by this utility model is: an industrial robot telescopic shaft, including a base tube and a telescopic shaft, wherein the telescopic shaft moves telescopically inside the base tube, a connecting block one is installed at the tail end of the base tube, and a connecting block two is installed at the extended end of the telescopic shaft;

[0009] A positioning tube is sleeved on the outside of the base tube. The tail end of the positioning tube is fixedly connected to a connecting block one. A protective sleeve is slidably sleeved on the outside of the positioning tube. The end of the protective sleeve is connected to a connecting block two.

[0010] The inner wall of the protective sleeve is provided with multiple sets of limiting strips, and the outer side of the positioning tube is provided with multiple sets of limiting grooves. The limiting strips slide in the limiting grooves, so that the protective sleeve cannot rotate on the outside of the positioning tube.

[0011] As an improvement, a sealing gasket is installed on the outer wall of the positioning tube, and it fits against the inner wall of the protective sleeve.

[0012] As an improvement, the inner wall of the limiting groove is provided with a sealing gasket that fits against the limiting strip.

[0013] As an improvement, a connecting ring is installed at the tail end of the positioning tube, and the connecting ring is fixedly installed on the front side of the connecting block by bolts.

[0014] As an improvement, a second connecting ring is installed at the front end of the protective sleeve, and a third connecting ring is fixedly sleeved on the outside of the second connecting block. The third connecting ring is installed on the rear side of the second connecting ring by bolts.

[0015] As an improvement, the protective sleeve has multiple sets of air guide holes on its side wall, and a dust filter plate is installed inside the air guide holes.

[0016] III. Beneficial Effects

[0017] The advantages of this utility model compared with the prior art are as follows: by covering the outside of the telescopic shaft and the base pipe with a protective sleeve, the telescopic shaft is prevented from bending and dust from getting on the outside. The limiting strip and the limiting groove prevent the protective sleeve from rotating outside the positioning pipe, thus limiting the telescopic shaft and preventing it from rotating inside the base pipe, which would cause damage to the telescopic shaft. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of a telescopic shaft for an industrial robot according to this utility model.

[0019] Figure 2 This is a schematic diagram of the connection structure between the base tube and the telescopic shaft of an industrial robot according to this utility model.

[0020] Figure 3 This is a schematic diagram of the positioning tube structure of the telescopic shaft of an industrial robot according to this utility model.

[0021] Figure 4 This is a schematic diagram of a protective sleeve structure for the telescopic shaft of an industrial robot according to this utility model.

[0022] As shown in the figure: 1. Base pipe; 2. Telescopic shaft; 3. Connecting block one; 4. Connecting block two; 5. Positioning pipe; 6. Protective sleeve; 7. Connecting ring one; 8. Connecting ring two; 9. Connecting ring three; 10. Limiting strip; 11. Limiting groove; 12. Air guide hole. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0024] As attached Figure 2 As shown, an industrial robot telescopic shaft includes a base tube 1 and a telescopic shaft 2. The telescopic shaft 2 moves telescopically inside the base tube 1. A connecting block 3 is installed at the tail end of the base tube 1. The connecting block 3 is connected to the industrial robot arm by bolts. A connecting block 4 is installed at the extended end of the telescopic shaft 2. An end effector is connected to the connecting block 4 by bolts.

[0025] As attached Figure 1 Appendix Figure 3 and attached Figure 4 As shown, a positioning tube 5 is sleeved on the outside of the base tube 1. A connecting ring 7 is installed at the tail end of the positioning tube 5. The connecting ring 7 is fixedly installed on the front side of the connecting block 3 by bolts, so that the tail end of the positioning tube 5 is fixedly connected to the connecting block 3. A protective sleeve 6 is slidably sleeved on the outside of the positioning tube 5. A connecting ring 8 is installed at the front end of the protective sleeve 6. A connecting ring 9 is fixedly sleeved on the outside of the connecting block 4. The connecting ring 9 is installed on the rear side of the connecting ring 8 by bolts, so that the end of the protective sleeve 6 is connected to the connecting block 4. The inner wall of the protective sleeve 6 is provided with multiple sets of limiting strips 10. The outside of the positioning tube 5 is provided with multiple sets of limiting grooves 11. The limiting strips 10 slide in the limiting grooves 11, so that the protective sleeve 6 cannot rotate outside the positioning tube 5, thus protecting the telescopic shaft 2 and preventing the telescopic shaft 2 from bending or rotating due to the weight of the end effector, and preventing the telescopic shaft 2 from being damaged by impact.

[0026] As attached Figure 3 and attached Figure 4 As shown, a sealing gasket is installed on the outer wall of the positioning tube 5 and fits against the inner wall of the protective sleeve 6. A sealing gasket is provided on the inner wall of the limiting slide groove 11 and fits against the limiting strip 10, so that there is no gap between the positioning tube 5 and the protective sleeve 6, preventing dust from entering the interior of the protective sleeve 6. Multiple sets of air guide holes 12 are provided on the side wall of the protective sleeve 6. A dust filter mesh plate is installed inside the air guide hole 12. When the telescopic shaft 2 extends and retracts inside the base tube 1, the air inside the protective sleeve 6 is discharged through the air guide hole 12. The dust filter mesh plate prevents dust from entering the interior of the protective sleeve 6. If the telescopic shaft is contaminated with dust, it will be brought into the interior of the base tube, affecting the normal use of the telescopic shaft.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0029] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A telescopic shaft for an industrial robot, comprising a base tube (1) and a telescopic shaft (2), wherein the telescopic shaft (2) extends and retracts within the base tube (1), a connecting block one (3) is installed at the tail end of the base tube (1), and a connecting block two (4) is installed at the protruding end of the telescopic shaft (2), characterized in that: The base pipe (1) is fitted with a positioning pipe (5) on the outside. The tail end of the positioning pipe (5) is fixedly connected to the connecting block one (3). The positioning pipe (5) is slidably fitted with a protective sleeve (6) on the outside. The end of the protective sleeve (6) is connected to the connecting block two (4). The inner wall of the protective sleeve (6) is provided with multiple sets of limiting strips (10), and the outer side of the positioning tube (5) is provided with multiple sets of limiting grooves (11). The limiting strips (10) slide in the limiting grooves (11), so that the protective sleeve (6) cannot rotate outside the positioning tube (5).

2. The telescopic shaft of an industrial robot according to claim 1, characterized in that: The outer wall of the positioning tube (5) is fitted with a sealing gasket, which is in contact with the inner wall of the protective sleeve (6).

3. The telescopic shaft of an industrial robot according to claim 2, characterized in that: The inner wall of the limiting groove (11) is provided with a sealing gasket, which is in contact with the limiting strip (10).

4. The telescopic shaft of an industrial robot according to claim 1, characterized in that: The positioning tube (5) is equipped with a connecting ring (7) at its tail end. The connecting ring (7) is fixedly installed on the front side of the connecting block (3) by bolts.

5. The telescopic shaft of an industrial robot according to claim 4, characterized in that: The protective sleeve (6) is equipped with a connecting ring two (8) at its front end, and a connecting ring three (9) is fixedly sleeved on the outside of the connecting block two (4). The connecting ring three (9) is installed on the rear side of the connecting ring two (8) by bolts.

6. The telescopic shaft of an industrial robot according to claim 1, characterized in that: The protective sleeve (6) has multiple sets of air guide holes (12) on its side wall, and a dust filter plate is installed inside the air guide holes (12).

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