Industrial robot clamp

By arranging a rotatable scraper and a torsion spring on the clamping plate, the problem of unstable clamping of the clamp when clamping the chip workpiece is solved, stable clamping of the workpiece and clean scraping are achieved, and the clamping effect is improved.

CN223456019UActive Publication Date: 2025-10-21WOCHUAN ROBOT (ZHEJIANG) CO LTD
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Patent Information

Application Number
CN202422572495.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-10-21
Estimated Expiration
2034-10-24

AI Technical Summary

Technical Problem

In the prior art, when a clamp clamps a workpiece with chips adhering to the surface, the chips may interfere with the clamping effect and cause the workpiece to fall off.

Method used

A rotatable scraper and torsion spring are installed on the clamping plate. The scraper is driven by the clamping cylinder to approach the side wall of the workpiece to scrape off the chips, and is reset under the action of the torsion spring. It cooperates with the baffle to fix the workpiece to ensure stable clamping.

Benefits of technology

Effectively remove chips from the side wall of the workpiece, improve clamping stability, prevent the workpiece from falling off, and enhance the clamping effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223456019U_ABST
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Abstract

The utility model provides an industrial robot clamp and belongs to the technical field of auxiliary machinery. Comprising a mounting frame, two symmetrically-arranged clamping air cylinders are fixed to the mounting frame, clamping plates are fixed to the telescopic ends of the clamping air cylinders, scraping plates are rotationally mounted on the clamping plates, notches allowing the clamping plates to penetrate through are formed in the scraping plates, cylinders are fixed to the two side walls in the notches, and circular grooves allowing the two corresponding cylinders to be embedded are formed in the two ends of each clamping plate. The cylinder is sleeved with a torsional spring, the two ends of the torsional spring abut against the inner wall of the circular groove, a groove is formed in the lower end of the scraper, one end of the groove penetrates through the scraper and is communicated with the notch, a baffle is fixed to one end of the clamping plate, and one end of the baffle is embedded in the groove. According to the utility model, cuttings adhered to the side wall of the to-be-clamped workpiece can be effectively scraped and cleaned, so that the clamping stability of the workpiece is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of auxiliary machinery, and relates to an industrial robot clamp. BACKGROUND

[0002] With the development of the times, the work of various trades and professions in order to solve the work problem or is to improve work efficiency, spawned all kinds of fixtures, fixture since the birth plays an important role.

[0003] The patent document with the authorized publication number CN221583602U, an industrial robot clamp, including horizontal plate, the both ends of horizontal plate fixed installation lift cylinder, the inner rod end of lift cylinder fixed installation clamping cylinder, the inner rod end of clamping cylinder fixed installation push plate, push plate is fixedly connected with clamping plate through spring, the both ends of clamping plate are fixedly installed motor towards the face of push plate, the rotary shaft end of motor is fixedly installed lifting plate.

[0004] But the prior art still has the following problems:

[0005] When the above-mentioned prior art clamps the regular-shaped workpiece, some square workpieces may have adhered chips on the surface after machining, and when the clamp is used to clamp the workpiece with chips on the surface, the chips will interfere with the clamping effect of the clamp, causing the workpiece to fall off. INVENTION CONTENTS

[0006] The utility model aims at the deficiency of prior art, proposes an industrial robot clamp, to solve the technical problem that the prior art mentioned in the background art cannot clean the chips on the clamping surface of the workpiece when using the clamp to clamp the workpiece with chips adhered to the surface.

[0007] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] An industrial robot clamp, comprising a mounting frame, two symmetrical clamping cylinders are fixed on the mounting frame, a clamping plate is fixed on the telescopic end of the clamping cylinder, a scraper is rotatably installed on the clamping plate, the scraper has a notch for the clamping plate to pass through, a cylinder is fixed on the inner wall of the notch, a circular groove is formed on the both ends of the clamping plate for embedding the corresponding two cylinders, a torsional spring is sleeved on the cylinder, the both ends of the torsional spring abut against the inner wall of the circular groove, a recess is formed on the lower end of the scraper, the recess communicates with the notch through the scraper, a baffle is fixed on one end of the clamping plate, and the baffle is embedded in the recess.

[0009] Working principle:

[0010] Simultaneously drive two clamping cylinders, two clamping cylinders drive two clamping plates to be close to each other, two clamping plates drive two scrapers to be close to each other respectively, until the ends of two scrapers away from the clamping plates are all moved to above the workpiece, the mounting frame is lowered through the lifting equipment outside, so that the lower end of the scraper abuts against the top of the workpiece, the mounting frame continues to descend, the scraper rotates around the clamping plate, the scraper is in an inclined state, one end of the scraper abuts against the side wall of the workpiece, under the action of the torsional spring, one end of the scraper is closely attached to the side wall of the workpiece, so that the cuttings adhered to the side wall of the workpiece are scraped off, when the mounting frame is lowered to a certain height, the scraper no longer abuts against the side wall of the workpiece, under the action of the torsional spring, the scraper rotates around the clamping plate and resets, at this time, the baffle abuts against the inner top wall of the groove, the scraper is perpendicular to the clamping plate, and then two clamping cylinders are continuously driven, so that the workpiece is clamped and fixed between the two clamping plates, and the two scrapers are located below the workpiece.

[0011] The utility model discloses the beneficial effects are:

[0012] The utility model discloses a rotatable scraper and torsional spring are set up on the clamping plate, one end of the scraper is closely attached to the side wall of the workpiece, the cuttings on the side wall of the workpiece are scraped off completely, the clamping effect is not affected by the cuttings during the clamping of the two clamping plates, the workpiece is not unstable or falls off, the baffle is set up, the baffle abuts against the scraper under the action of the torsional spring after the workpiece is clamped, the scraper is perpendicular to the clamping plate, when the workpiece falls off accidentally, the two scrapers support the workpiece, the workpiece falls off is further avoided, and the utility model discloses greatly improve the clamping stability of workpiece. ACCURACY OF DRAWINGS

[0013] Figure 1 It is the structure schematic diagram of the utility model embodiment;

[0014] Figure 2 It is the sectional view of the utility model embodiment;

[0015] Figure 3 It is the bottom view of the scraper of the utility model embodiment;

[0016] Figure 4 It is the assembly schematic diagram of the clamping plate and the baffle of the utility model embodiment;

[0017] Figure 5 It is the assembly schematic diagram of the clamping plate and the scraper of the utility model embodiment.

[0018] Explanation of the accompanying drawings: 1. Mounting frame; 2. Clamping cylinder; 3. Clamping plate; 4. Scraper; 5. Notch; 6. Cylinder; 7. Circular groove; 8. Torsion spring; 9. Groove; 10. Baffle; 11. Horizontal plate; 12. Support plate; 13. Inclined portion; 14. Cleaning cylinder; 15. Cleaning brush; 16. Limiting plate. DETAILED DESCRIPTION

[0019] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0020] like Figures 1-5 As shown, an industrial robot clamp includes a mounting frame 1, on which two symmetrically arranged clamping cylinders 2 are fixed, and a clamping plate 3 is fixed to the telescopic end of the clamping cylinder 2. A scraper 4 is rotatably mounted on the clamping plate 3, and the scraper 4 has a notch 5 for the clamping plate 3 to pass through. Cylinders 6 are fixed to both side walls of the notch 5, and circular grooves 7 are respectively provided at both ends of the clamping plate 3 for the corresponding two cylinders 6 to be embedded. The scraper 4 passes through the two cylinders 6 around the clamping plate 3. When the holding plate 3 and the scraper 4 rotate, the clamping plate 3 can pass through the notch 5. A torsion spring 8 is sleeved on the cylinder 6. Both ends of the torsion spring 8 are in contact with the inner wall of the circular groove 7. A groove 9 is provided at the lower end of the scraper 4. One end of the groove 9 passes through the scraper 4 and is connected to the notch 5. A baffle 10 is fixed to one end of the clamping plate 3. One end of the baffle 10 is embedded in the groove 9. In a normal state, the upper end of the baffle 10 is in contact with the inner top wall of the groove 9, and the scraper 4 is perpendicular to the clamping plate 3.

[0021] like Figure 2 and Figure 5 As shown, the mounting frame 1 includes a horizontal plate 11 and two L-shaped support plates 12, the two support plates 12 are symmetrically fixed at the lower end of the horizontal plate 11, the two clamping cylinders 2 are respectively fixed on the corresponding two support plates 12, the scraper 4 has an inclined portion 13 at one end away from the clamping plate 3, the lower end of the scraper 4 and the lower end of the clamping plate 3 are located in the same horizontal plane, two symmetrically arranged cleaning cylinders 14 are fixed on the top of the horizontal plate 11, the telescopic end of the cleaning cylinder 14 passes through one end of the horizontal plate 11 and is fixed with a cleaning brush 15 located at the lower end of the horizontal plate 11, the length of the cleaning brush 15 is the same as the length of the clamping plate 3, and two symmetrically arranged limit plates 16 are fixed to the lower end of the horizontal plate 11, the two clamping plates 3 and the two cleaning brushes 15 are all located between the two limit plates 16.

[0022] The driving clamping cylinder 2 drives the clamping plate 3 to move until the one end of the clamping plate 3 abuts against the limiting plate 16, the driving cleaning cylinder 14 drives the cleaning brush 15 to descend, the cleaning end of the cleaning brush 15 abuts against the clamping surface of the clamping plate 3, the cleaning brush 15 cleans the clamping surface of the clamping plate 3, and the clamping surface of the clamping plate 3 is prevented from adhering impurities.

[0023] The specific operation mode of the utility model is as follows:

[0024] When clamping, two clamping cylinders 2 are simultaneously driven, the two clamping cylinders 2 drive two clamping plates 3 to approach each other, the two clamping plates 3 drive two scrapers 4 to approach each other, until the one end of the two scrapers 4 away from the clamping plate 3 is moved above the workpiece, the mounting frame 1 is driven to descend by the external lifting equipment, so that the lower end of the scraper 4 abuts against the top of the workpiece, the mounting frame 1 continues to descend, the scraper 4 rotates around the clamping plate 3, the scraper 4 is in an inclined state, the scraper 4 drives the cylinder 6 to rotate, the one end of the scraper 4 abuts against the side wall of the workpiece, under the action of the torsional spring 8, the one end of the scraper 4 is closely attached to the side wall of the workpiece, so that the cuttings adhered to the side wall of the workpiece are scraped off, when the mounting frame 1 is lowered to a certain height, the scraper 4 no longer abuts against the side wall of the workpiece, under the action of the torsional spring 8, the scraper 4 rotates around the clamping plate 3 and resets, at this time, the baffle 10 abuts against the inner top wall of the groove 9, the scraper 4 is perpendicular to the clamping plate 3, and then the two clamping cylinders 2 are continuously driven, so that the workpiece is clamped and fixed between the two clamping plates 3, and the two scrapers 4 are located below the workpiece.

[0025] After clamping, the two clamping cylinders 2 are simultaneously driven to drive the two clamping plates 3 to move away from each other until the one end of the clamping plate 3 abuts against the limiting plate 16, the driving cleaning cylinder 14 drives the cleaning brush 15 to descend, the cleaning end of the cleaning brush 15 abuts against the clamping surface of the clamping plate 3, the cleaning brush 15 cleans the clamping surface of the clamping plate 3, and the clamping surface of the clamping plate 3 is prevented from adhering impurities.

[0026] Finally, it should be explained that the above embodiments are only used to illustrate the technical solutions of the utility model and not to limit, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the utility model, and all should be covered in the claim range of the utility model.

Claims

1. An industrial robot gripper comprising a mounting frame (1), characterized in that, Two symmetrical clamping cylinders (2) are fixed on the mounting frame (1), the telescopic end of the clamping cylinder (2) is fixed with a clamping plate (3), the clamping plate (3) is rotatably installed with a scraper (4), the scraper (4) is provided with a notch (5) for the clamping plate (3) to pass through, the notch (5) is fixed with a cylinder (6) on both sides, the clamping plate (3) is provided with a circular groove (7) at both ends for embedding the corresponding two cylinders (6), the cylinder (6) is sleeved with a torsion spring (8), both ends of the torsion spring (8) abut against the inner wall of the circular groove (7), the lower end of the scraper (4) is provided with a groove (9), one end of the groove (9) penetrates the scraper (4) and communicates with the notch (5), one end of the clamping plate (3) is fixed with a baffle (10), the baffle (10) is embedded in the groove (9).

2. An industrial robot gripper according to claim 1, characterized in that The mounting frame (1) comprises a horizontal plate (11) and two L-shaped support plates (12), the two support plates (12) are symmetrically fixed on the lower end of the horizontal plate (11), and the two clamping cylinders (2) are respectively fixed on the corresponding two support plates (12).

3. An industrial robot gripper according to claim 1, characterized in that The scraper (4) has an inclined part (13) away from the clamping plate (3).

4. An industrial robot gripper according to claim 1, characterized in that The lower end of the scraper (4) is at the same horizontal plane with the lower end of the clamping plate (3).

5. An industrial robot gripper according to claim 2, characterized in that The horizontal plate (11) is fixed with two symmetrical cleaning cylinders (14) on the top, the telescopic end of the cleaning cylinder (14) penetrates one end of the horizontal plate (11) and is fixed with a cleaning brush (15) at the lower end of the horizontal plate (11).

6. An industrial robot gripper according to claim 5, characterized in that The length of the cleaning brush (15) is the same as the length of the clamping plate (3), the lower end of the horizontal plate (11) is fixed with two symmetrical limiting plates (16), and the two clamping plates (3) and the two cleaning brushes (15) are located between the two limiting plates (16).

Citation Information

Patent Citations

  • Industrial robot clamp

    CN221583602U