Constant-speed electric cylinder with buffer mechanism

Abstract

The utility model belongs to the technical field of constant-speed electric cylinders, and discloses a constant-speed electric cylinder with a buffer mechanism, which comprises a base, a mounting seat is mounted on one side of the top end of the base, a sleeve is mounted at the top end of the mounting seat, a telescopic groove is formed in the top end of the sleeve, a telescopic rod is mounted in the telescopic groove in a sliding manner, and the top end of the telescopic rod extends to the outside of the telescopic groove. A limiting base is installed at the bottom end of the telescopic rod, a first buffering assembly is installed at the bottom end of the limiting base, and a sealing cover is installed at the top end of the sleeve through a flange. According to the device, in the moving process of the limiting base, collision between the limiting base and the two ends of the telescopic groove in the moving process of the limiting base can be reduced through the first rubber pad and the second rubber pad, and therefore damage to the limiting base and the telescopic groove is reduced; and the first rubber pad and the second rubber pad are quickly taken down and replaced, so that the maintenance cost is reduced, and the service life of the constant-speed electric cylinder is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of constant velocity electric cylinders, and more specifically, relates to a constant velocity electric cylinder with a buffer mechanism. Background Art

[0002] Electric cylinders are products designed for continuous motion, low to high loads (usually high speeds), and are capable of multiple cycles throughout their service life. These products have extremely high positioning accuracy and controllability, and can achieve precise motion control with loads ranging from several kilograms to 50 tons.

[0003] When some current constant velocity electric cylinders are in operation, the limit seat installed at the bottom of the telescopic rod is prone to collision with the top and bottom ends of the movable chamber, causing noise and easily causing greater wear and damage to the internal components of the constant velocity electric cylinder.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a constant velocity electric cylinder with a buffer mechanism is provided to achieve a more practical purpose. Utility Model Content

[0005] In order to solve the above technical problems, the present invention provides a constant velocity electric cylinder with a buffer mechanism, which is achieved by the following specific technical means:

[0006] A constant velocity electric cylinder with a buffer mechanism comprises a base, a mounting seat is installed on one side of the top of the base, a sleeve is installed on the top of the mounting seat, a telescopic slot is provided at the top of the sleeve, a telescopic rod is slidably installed in the telescopic slot, and the top of the telescopic rod extends to the outside of the telescopic slot, a limit seat is installed at the bottom end of the telescopic rod, a first buffer assembly is installed at the bottom end of the limit seat, a sealing cover is installed at the top end of the sleeve through a flange, a connecting seat is installed at the bottom end of the sealing cover, a second buffer assembly is installed at the bottom end of the connecting seat, a mounting slot is provided inside the base, a threaded rod is rotatably installed on one side of the mounting slot, the threaded rod passes through the base and the mounting seat and extends into the telescopic slot, and the threaded rod is threadedly connected to the telescopic rod.

[0007] Furthermore, the size of the connecting seat matches the size of the telescopic slot.

[0008] Furthermore, the first buffer assembly includes a first annular slide groove and a first buffer seat, the first annular slide groove is opened at the bottom end of the limit seat, and a plurality of first slide grooves are equidistantly arranged on the circumference of the first annular slide groove, a first slider is slidably installed in the first slide groove, and one end of the first slider extends to the outside of the first slide groove, the first slider is provided with a spherical protrusion at one end located outside the first slide groove, the first slider is installed with a first compression spring on one side located inside the first slide groove, and the other end of the first compression spring is connected to one side of the first slide groove, a plurality of first grooves are provided on the circumference of the first buffer seat, and a first rubber pad is installed at the bottom end of the first buffer seat.

[0009] Furthermore, the size of the first buffer seat matches the size of the first annular sliding groove.

[0010] Furthermore, the positions and sizes of the first grooves respectively match the positions and sizes of the first sliding blocks.

[0011] Furthermore, the second buffer assembly includes a second annular slide groove and a second buffer seat, the second annular slide groove is opened at the bottom end of the connecting seat, a plurality of second slide grooves are equidistantly arranged on the circumference of the second annular slide groove, a second slider is slidably installed in the second slide groove, and one end of the second slider extends to the outside of the second slide groove, the second slider is provided with a spherical protrusion at one end located outside the second slide groove, the second slider is installed with a second compression spring on both sides located inside the second slide groove, and the other two ends of the second compression spring are connected to the two sides of the second slide groove, a plurality of second grooves are provided on the circumference of the second buffer seat, and a second rubber pad is installed at the bottom end of the second buffer seat.

[0012] Furthermore, the size of the second buffer seat matches the size of the second annular sliding groove.

[0013] Furthermore, the positions and sizes of the plurality of second grooves respectively match the positions and sizes of the plurality of second sliding blocks.

[0014] Furthermore, a group of synchronous pulleys are installed in the installation groove, the group of synchronous pulleys are connected through a transmission belt, and one of the group of synchronous pulleys is connected to the threaded rod.

[0015] Furthermore, a motor is installed on the other side of the top of the base, and the output end of the motor is transmission-connected to another one of the set of synchronous pulleys through a coupling.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The constant velocity electric cylinder with a buffer mechanism in the utility model is used in conjunction with a base, a mounting seat, a sleeve, a telescopic groove, a telescopic rod, a limit seat, a sealing cover, a connecting seat, a mounting groove, a threaded rod, a first annular groove, a first buffer seat, a first slide groove, a first slider, a first compression spring, a first groove, a first rubber pad, a second annular groove, a second buffer seat, a second slide groove, a second slider, a second compression spring, a second groove, a second rubber pad, a synchronous pulley and a motor, so that during the movement of the limit seat, the first rubber pad and the second rubber pad can reduce the collision between the limit seat and the two ends of the telescopic groove during the movement, thereby reducing damage to the limit seat and the telescopic groove, and when the first rubber pad and the second rubber pad are worn, the first rubber pad and the second rubber pad can be quickly removed and replaced, thereby reducing maintenance costs and extending the service life of the constant velocity electric cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the present utility model.

[0019] Figure 2 It is a front sectional schematic diagram of the present utility model.

[0020] Figure 3 This utility model Figure 2 Enlarged schematic diagram of part A.

[0021] Figure 4 This utility model Figure 2 Schematic diagram of the enlarged portion B.

[0022] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0023] 1. Base; 2. Mounting seat; 3. Sleeve; 4. Telescopic slot; 5. Telescopic rod; 6. Limiting seat; 7. Sealing cover; 8. Connecting seat; 9. Mounting slot; 10. Threaded rod; 11. First annular slot; 12. First buffer seat; 13. First slot; 14. First slider; 15. First compression spring; 16. First groove; 17. First rubber pad; 18. Second annular slot; 19. Second buffer seat; 20. Second slot; 21. Second slider; 22. Second compression spring; 23. Second groove; 24. Second rubber pad; 25. Synchronous pulley; 26. Motor. DETAILED DESCRIPTION

[0024] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0025] Example:

[0026] As attached Figure 1 To the attached Figure 4 As shown:

[0027] The utility model provides a constant velocity electric cylinder with a buffer mechanism, comprising a base 1, a mounting seat 2 is installed on one side of the top of the base 1, a sleeve 3 is installed on the top of the mounting seat 2, a telescopic slot 4 is provided on the top of the sleeve 3, a telescopic rod 5 is slidably installed in the telescopic slot 4, and the top of the telescopic rod 5 extends to the outside of the telescopic slot 4, a limiting seat 6 is installed on the bottom end of the telescopic rod 5, a first buffer assembly is installed on the bottom end of the limiting seat 6, a sealing cover 7 is installed on the top of the sleeve 3 through a flange, a connecting seat 8 is installed on the bottom end of the sealing cover 7, a second buffer assembly is installed on the bottom end of the connecting seat 8, a mounting slot 9 is provided inside the base 1, a threaded rod 10 is rotatably installed on one side of the mounting slot 9, the threaded rod 10 passes through the base 1 and the mounting seat 2 and extends into the telescopic slot 4, and the threaded rod 10 is threadedly connected to the telescopic rod 5.

[0028] The size of the connecting seat 8 matches the size of the telescopic slot 4 , so that the connecting seat 8 can enter the telescopic rod 5 .

[0029] Among them, the first buffer assembly includes a first annular slide 11 and a first buffer seat 12. The first annular slide 11 is opened at the bottom end of the limit seat 6. A plurality of first slides 13 are equidistantly provided on the circumference of the first annular slide 11. A first slider 14 is slidably installed in the first slide 13, and one end of the first slider 14 extends to the outside of the first slide 13. The first slider 14 is provided with a spherical protrusion at one end located outside the first slide 13. The first slider 14 is installed with a first compression spring 15 on one side located inside the first slide 13, and the other end of the first compression spring 15 is connected to the first slide 1 3, a plurality of first grooves 16 are provided on the circumference of the first buffer seat 12, and a first rubber pad 17 is installed at the bottom end of the first buffer seat 12. The first rubber pad 17 can cushion the impact generated when the limit seat 6 rises and contacts the top of the telescopic slot 4. When the first buffer seat 12 needs to be replaced, the staff can rotate the first buffer seat 12 so that the first buffer seat 12 pushes the first slider 14 out of the first groove 16 during the rotation, so that the first slider 14 no longer cushions the first buffer seat 12, thereby facilitating the removal of the first buffer seat 12.

[0030] The size of the first buffer seat 12 matches the size of the first annular chute 11 , so that the first buffer seat 12 can enter the first annular chute 11 .

[0031] The positions and sizes of the first grooves 16 match the positions and sizes of the first sliders 14 , respectively, so that the first sliders 14 can enter the first grooves 16 .

[0032] Among them, the second buffer assembly includes a second annular slide 18 and a second buffer seat 19. The second annular slide 18 is opened at the bottom end of the connecting seat 8. A plurality of second slides 20 are equidistantly provided on the circumference of the second annular slide 18. A second slider 21 is slidably installed in the second slide 20, and one end of the second slider 21 extends to the outside of the second slide 20. The second slider 21 is provided with a spherical protrusion at one end located outside the second slide 20. The second slider 21 is provided with a second compression spring 22 on both sides of the second slide 20, and the other two ends of the second compression spring 22 are connected to the second slide 20. 0 is connected on both sides, a plurality of second grooves 23 are provided on the circumference of the second buffer seat 19, and a second rubber pad 24 is installed at the bottom end of the second buffer seat 19. The second rubber pad 24 can cushion the impact generated when the limit seat 6 descends and contacts the bottom end of the telescopic slot 4. When the second buffer seat 19 needs to be replaced, the staff can rotate the second buffer seat 19 so that the second buffer seat 19 pushes the second slider 21 out of the second groove 23 during the rotation, so that the second slider 21 no longer cushions the second buffer seat 19, thereby facilitating the removal of the second buffer seat 19.

[0033] The size of the second buffer seat 19 matches the size of the second annular chute 18 , so that the second buffer seat 19 can enter the second annular chute 18 .

[0034] The positions and sizes of the second grooves 23 match the positions and sizes of the second sliders 21 , respectively, so that the second sliders 21 can enter the second grooves 23 .

[0035] Among them, a group of synchronous pulleys 25 are installed in the installation groove 9, and the group of synchronous pulleys 25 are connected through a transmission belt, and one of the group of synchronous pulleys 25 is connected to the threaded rod 10 to facilitate driving the threaded rod 10 to rotate.

[0036] Among them, a motor 26 is installed on the other side of the top of the base 1, and the output end of the motor 26 is connected to another one of a set of synchronous pulleys 25 through a coupling. The motor 26 drives the synchronous pulley 25 to rotate, and then drives the threaded rod 10 to rotate.

[0037] The working principle of this embodiment: when the constant velocity electric cylinder with a buffer mechanism is in use, the first rubber pad 17 can buffer the impact generated when the limit seat 6 rises and contacts the top end of the telescopic slot 4, and the second rubber pad 24 can buffer the impact generated when the limit seat 6 descends and contacts the bottom end of the telescopic slot 4. When the first rubber pad 17 and the second rubber pad 24 need to be replaced, the staff can disassemble the constant velocity electric cylinder, rotate the first buffer seat 12, so that the first buffer seat 12 pushes the first slider 14 out of the first groove 16 during the rotation, and then the first slider 14 no longer buffers the first buffer seat 12, thereby removing the first buffer seat 12, and then rotate the second buffer seat 19, so that the second buffer seat 19 pushes the second slider 21 out of the second groove 23 during the rotation, thereby preventing the second slider 21 from buffering the second buffer seat 19, thereby removing the second buffer seat 19.

[0038] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. A constant velocity electric cylinder with a buffer mechanism, comprising a base (1), characterized in that: A mounting seat (2) is installed on one side of the top of the base (1), a sleeve (3) is installed on the top of the mounting seat (2), a telescopic slot (4) is provided on the top of the sleeve (3), a telescopic rod (5) is slidably installed in the telescopic slot (4), and the top of the telescopic rod (5) extends to the outside of the telescopic slot (4), a limit seat (6) is installed on the bottom end of the telescopic rod (5), a first buffer assembly is installed on the bottom end of the limit seat (6), a sealing cover (7) is installed on the top of the sleeve (3) through a flange, a connecting seat (8) is installed on the bottom end of the sealing cover (7), and a second buffer assembly is installed on the bottom end of the connecting seat (8), a mounting slot (9) is provided inside the base (1), a threaded rod (10) is rotatably installed on one side of the mounting slot (9), the threaded rod (10) passes through the base (1) and the mounting seat (2) and extends into the telescopic slot (4), and the threaded rod (10) is threadedly connected to the telescopic rod (5).

2. The constant velocity electric cylinder with a buffer mechanism according to claim 1, characterized in that: The size of the connecting seat (8) matches the size of the telescopic slot (4).

3. The constant velocity electric cylinder with a buffer mechanism according to claim 1, characterized in that: The first buffer assembly includes a first annular groove (11) and a first buffer seat (12), the first annular groove (11) is opened at the bottom end of the limit seat (6), and a plurality of first grooves (13) are equidistantly provided on the circumference of the first annular groove (11), a first slider (14) is slidably installed in the first groove (13), and one end of the first slider (14) extends to the outside of the first groove (13), the first slider (14) is provided with a spherical protrusion at one end located outside the first groove (13), the first slider (14) is installed with a first compression spring (15) on one side located inside the first groove (13), and the other end of the first compression spring (15) is connected to one side of the first groove (13), the circumference of the first buffer seat (12) is provided with a plurality of first grooves (16), and the bottom end of the first buffer seat (12) is installed with a first rubber pad (17).

4. The constant velocity electric cylinder with a buffer mechanism according to claim 3, characterized in that: The size of the first buffer seat (12) matches the size of the first annular sliding groove (11).

5. The constant velocity electric cylinder with a buffer mechanism according to claim 3, characterized in that: The positions and sizes of the plurality of first grooves (16) respectively match the positions and sizes of the plurality of first sliding blocks (14).

6. The constant velocity electric cylinder with a buffer mechanism according to claim 1, characterized in that: The second buffer assembly includes a second annular groove (18) and a second buffer seat (19), the second annular groove (18) is opened at the bottom end of the connecting seat (8), and a plurality of second grooves (20) are equidistantly provided on the circumference of the second annular groove (18), a second slider (21) is slidably installed in the second groove (20), and one end of the second slider (21) extends to the outside of the second groove (20), the second slider (21) is provided with a spherical protrusion at one end located outside the second groove (20), the second slider (21) is installed with second compression springs (22) on both sides located inside the second groove (20), and the other two ends of the second compression spring (22) are connected to the two sides of the second groove (20), the circumference of the second buffer seat (19) is provided with a plurality of second grooves (23), and the bottom end of the second buffer seat (19) is installed with a second rubber pad (24).

7. The constant velocity electric cylinder with a buffer mechanism according to claim 6, characterized in that: The size of the second buffer seat (19) matches the size of the second annular sliding groove (18).

8. The constant velocity electric cylinder with a buffer mechanism according to claim 6, characterized in that: The positions and sizes of the plurality of second grooves (23) respectively match the positions and sizes of the plurality of second sliding blocks (21).

9. The constant velocity electric cylinder with a buffer mechanism according to claim 1, characterized in that: A group of synchronous pulleys (25) is installed in the installation groove (9), and the group of synchronous pulleys (25) are connected through a transmission belt, and one of the group of synchronous pulleys (25) is connected to the threaded rod (10).

10. The constant velocity electric cylinder with a buffer mechanism according to claim 9, characterized in that: A motor (26) is installed on the other side of the top of the base (1), and the output end of the motor (26) is transmission-connected to another one of the set of synchronous pulleys (25) via a coupling.

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