Concentric clamp for motor end cover machining unit

Abstract

The utility model discloses a concentric clamp for a motor end cover machining unit, and relates to the technical field of clamps. According to the technical scheme, the clamping device is characterized by comprising a tubular connecting sleeve, a clamping device is arranged at one end of the connecting sleeve and comprises a positioning base fixedly connected to one end of the connecting sleeve, a groove is formed in the surface of the positioning base, and a sliding seat is slidably connected into the groove in the vertical direction; the device further comprises a driving part used for driving the sliding seat, the upper surface of the positioning base is covered with and fixedly connected with a positioning top seat, a plurality of vertical positioning rods are evenly arranged on the surface of the sliding seat in the circumferential direction, and pressing claws are arranged at the ends, extending out of the surface of the positioning top seat, of the positioning rods. A centering assembly is further arranged in the center of the positioning top base. The utility model aims to provide a concentric clamp for a motor end cover processing unit.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, and more specifically, to a concentric clamp used for a motor end cover processing unit. Background Art

[0002] Turning is a part of lathe machining. Lathe machining mainly uses the turning tool to rotate the workpiece for turning. When turning, the workpiece needs to be effectively fixed and loaded, so a fixture is used. The fixture is used to stably clamp the workpiece to ensure the stability of the workpiece during the turning displacement process.

[0003] In the prior art, there is a motor end cover 31 as shown in the figure, which includes a ring-shaped end cover body 3101, an outer connecting edge 3102 is arranged along the outer circumference of the end cover body, an inner connecting edge 3103 is arranged along the inner circumference, and four connecting blocks 3104 are evenly arranged at the bottom of the outer wall of the outer connecting edge. Many traditional clamps in the prior art cannot conveniently and effectively clamp and position it.

[0004] Therefore, a new technical solution is urgently needed to solve the above technical problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a concentric fixture for a motor end cover processing unit.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a concentric clamp for a motor end cover processing unit, comprising a tubular connecting sleeve, a clamping device is arranged at one end of the connecting sleeve, the clamping device comprises a positioning base fixedly connected to one end of the connecting sleeve, a groove is provided on the surface of the positioning base, a sliding seat is slidably connected in the groove along the vertical direction, and also comprises a driving member for driving the sliding seat, a positioning top seat is covered and fixedly connected on the upper surface of the positioning base, a plurality of vertical positioning rods are evenly arranged on the surface of the sliding seat along the circumferential direction, a pressure claw is arranged on the end of the positioning rod extending out of the surface of the positioning top seat, and a centering component is also arranged at the center of the positioning top seat.

[0007] The utility model is further configured as follows: a plurality of first connecting columns are provided on the surface of the sliding seat, a first limiting plate is provided at the bottom end of the positioning rod, a first sliding groove for sliding connection of the first limiting plate is provided inside the first connecting column, a through hole for the positioning rod to pass through is provided on the top of the first connecting column, and the positioning rod is located between the first limiting plate and the top of the first sliding groove and is sleeved with a first spring.

[0008] The utility model is further configured as follows: a first thread groove is provided on the top end of the positioning rod, and a first bolt is provided on the pressure claw and is threadedly connected in the first thread groove.

[0009] The utility model is further configured as follows: an annular groove is opened at the top center of the positioning top seat, the centering component includes a tensioning sleeve arranged in the annular groove, the tensioning sleeve includes a bottom plate arranged at the bottom of the annular groove, a plurality of arc-shaped plates are arranged on the surface of the bottom plate along the circumferential direction, and also includes a control component for controlling the opening of the tensioning sleeve.

[0010] The utility model is further configured as follows: the control component includes an abutment plate provided with a top of a tensioning sleeve, the circumferential side wall of the abutment plate is an inclined surface, the top of the inner side wall of the arc plate is an inclined surface parallel to the circumferential side wall of the abutment plate, and the sliding seat is connected to the abutment plate.

[0011] The utility model is further configured as follows: a pull rod is fixedly connected to the bottom of the abutment plate, a second connecting column is provided on the surface of the sliding seat, a second sliding groove is opened inside the second connecting column, a second limiting plate sliding in the second sliding groove is provided at the bottom end of the pull rod, a second spring is sleeved on the pull rod between the second limiting plate and the top of the second sliding groove, and the driving member simultaneously drives the pull rod to move.

[0012] The utility model is further configured as follows: a mounting groove is provided on the surface of the sliding seat for the second connecting column to be inserted and fixedly connected, the second sliding groove passes through the bottom of the second connecting column, and the second limit plate abuts against the bottom of the mounting groove when sliding downward, and the driving member is specifically a cylinder installed on the connecting sleeve at the other end of the clamping device, and the end of the piston rod of the cylinder is fixedly connected to a driving rod, and the driving rod passes through the sliding positioning base and the sliding seat and is fixedly connected to the bottom of the second limit plate.

[0013] The utility model is further configured as follows: a second thread groove is opened on the top of the pull rod, a second bolt is arranged on the abutting plate, and the bottom end of the second bolt is threadedly connected in the second thread groove.

[0014] The utility model is further configured as follows: the positioning base and the positioning top seat are detachably fixedly connected by a third bolt.

[0015] The utility model has the following beneficial effects: when processing the motor end cover, the motor end cover is placed on the surface of the positioning base, and the position of the motor end cover is adjusted so that the connecting block of the motor end cover is located below the corresponding pressing claw, and the sliding seat is driven downward by the driving member to drive each positioning rod to move downward, so that the pressing claw has a pressing effect on the connecting block, and at the same time, the inner connecting edge of the motor end cover is positioned through the centering component, so as to facilitate and effectively position the motor end cover and ensure the stability of the motor end cover in subsequent processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the three-dimensional structure of this embodiment;

[0017] Figure 2 is a schematic structural diagram of the clamping device of this embodiment;

[0018] Figure 3 is a schematic cross-sectional structure diagram of the clamping device of this embodiment;

[0019] Figure 4 is a schematic cross-sectional structural diagram of this embodiment;

[0020] Figure 5 Schematic diagram of the cross-sectional structure of the pressure claw of this embodiment;

[0021] Figure 6 is a schematic cross-sectional structure diagram of the centering assembly of this embodiment;

[0022] Figure 7 Schematic diagram of the structure of the motor end cover of this embodiment.

[0023] Description of the drawings: 1. Positioning base; 2. Groove; 3. Sliding seat; 4. Driving member; 5. Positioning top seat; 6. Positioning rod; 7. Pressing claw; 8. First connecting column; 9. First limiting plate; 10. First sliding groove; 11. First spring; 12. First threaded groove; 13. First bolt; 14. Annular groove; 15. Tension sleeve; 16. Bottom plate; 17. Arc plate; 18. Abutment plate; 19. Pull rod; 20. Second connecting column; 21. Second sliding groove; 22. Second limiting plate; 23. Second spring; 24. Mounting groove; 25. Driving rod; 26. Connecting sleeve; 27. Clamping device; 28. Second threaded groove; 29. ​​Second bolt; 30. Third bolt; 31. Motor end cover; 3101. End cover body; 3102. Outer connecting edge; 3103. Inner connecting edge; 3104. Connecting block. DETAILED DESCRIPTION

[0024] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0025] The same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0026] As shown in the figure, a concentric clamp for a motor end cover processing unit includes a tubular connecting sleeve 26, one end of which is provided with a clamping device 27, and the clamping device 27 includes a positioning base 1 fixedly connected to one end of the connecting sleeve 26, a groove 2 is provided on the surface of the positioning base 1, a sliding seat 3 is slidably connected in the groove 2 along the vertical direction, and also includes a driving member 4 for driving the sliding seat 3, the upper surface of the positioning base 1 is covered and fixedly connected with a positioning top seat 5, the surface of the sliding seat 3 is evenly provided with four vertical positioning rods 6 along the circumferential direction, the end of the positioning rod 6 extending out of the surface of the positioning top seat 5 is provided with a pressure claw 7, and a centering component is also provided at the center of the positioning top seat 5.

[0027] When processing the motor end cover, the motor end cover is placed on the surface of the positioning base 1, and the position of the motor end cover is adjusted so that the connecting block of the motor end cover is located under the corresponding pressing claw 7. The sliding seat 3 is driven downward by the driving member 4, and each positioning rod 6 is driven downward, so that the pressing claw 7 has a pressing effect on the connecting block. At the same time, the inner connecting edge of the motor end cover is positioned through the centering component, so as to facilitate and effectively position the motor end cover and ensure the stability of the motor end cover in subsequent processing.

[0028] Four first connecting columns 8 are arranged on the surface of the sliding seat 3, a first limiting plate 9 is arranged at the bottom end of the positioning rod 6, a first sliding groove 10 for sliding connection of the first limiting plate 9 is provided inside the first connecting column 8, a through hole for the positioning rod 6 to pass through is provided at the top of the first connecting column 8, the positioning rod 6 is located between the first limiting plate 9 and the top of the first sliding groove 10, and a first spring 11 is sleeved, and both ends of the first spring 11 are fixedly connected to the top of the first limiting plate 9 and the first sliding friction. When the driving member 4 pulls the sliding seat 3 to move downward, after the pressing claw 7 abuts against the connecting block of the motor end cover, the sliding seat 3 continues to slide downward, and the positioning rod 6 stops moving, so that the first spring 11 is compressed. Under the action of the spring elastic force, the connecting block is pressed while being prevented from being damaged.

[0029] A first thread groove 12 is formed at the top of the positioning rod 6 , and a first bolt 13 is provided on the pressing claw 7 and is threadedly connected in the first thread groove 12 , so that the pressing claw 7 can be repaired and replaced later.

[0030] An annular groove 14 is provided at the center of the top of the positioning top seat 5. The centering assembly includes a tension sleeve 15 disposed in the annular groove 14. The tension sleeve 15 includes a bottom plate 16 disposed at the bottom of the annular groove 14. A plurality of arc plates 17 are provided on the surface of the bottom plate 16 along the circumferential direction. The control assembly also includes a control assembly for controlling the opening of the tension sleeve 15. When positioning the motor end cover, the inner connecting edge of the motor end cover is inserted into the groove 2 and sleeved on the peripheral side of the tension sleeve 15. The control assembly controls the arc plate 17 to open toward the outside so that the arc plate 17 is pressed against the inner wall of the inner connecting edge to further improve the stability of the motor end cover.

[0031] The control component includes an abutment plate 18 provided with the top of the tensioning sleeve 15, the circumferential side wall of the abutment plate 18 is an inclined surface, the top of the inner side wall of the arc plate 17 is an inclined surface parallel to the circumferential side wall of the abutment plate 18, and the sliding seat 3 is connected to the abutment plate 18. When the driving member 4 drives the sliding seat 3 to move downward, the abutment plate 18 is pulled downward, so that the tensioning sleeve 15 is opened under the action of the inclined surface.

[0032] A pull rod 19 is fixedly connected to the bottom of the abutment plate 18, a second connecting column 20 is provided on the surface of the sliding seat 3, a second sliding groove 21 is opened inside the second connecting column 20, a second limit plate 22 sliding in the second sliding groove 21 is provided at the bottom end of the pull rod 19, the pull rod 19 is located between the second limit plate 22 and the top of the second sliding groove 21, and a second spring 23 is sleeved thereon, the two ends of the second spring 23 are fixed to the second limit plate and the top of the sliding groove, an installation groove 24 is opened on the surface of the sliding seat 3 for the second connecting column 20 to be inserted and fixedly connected, the second sliding groove 21 passes through the bottom of the second connecting column 20, and the second limit plate 22 abuts against the bottom of the installation groove 24 when sliding downward.

[0033] The driving member 4 is specifically a cylinder installed on the connecting sleeve 26 at the other end of the clamping device 27, and the end of the piston rod of the cylinder is fixedly connected with the driving rod 25, which passes through the sliding positioning base 1 and the sliding seat 3 and is fixedly connected to the bottom of the second limit plate 22. The driving member 4 drives the pull rod 19 to move, and while driving the pull rod 19 to move downward, the second spring 23 is compressed, which ensures that the tension sleeve 15 is fully opened and prevents the tension sleeve 15 from being damaged.

[0034] A second thread groove 28 is formed at the top of the pull rod 19 , and a second bolt 29 is disposed on the abutting plate 18 . The bottom end of the second bolt 29 is threadedly connected in the second thread groove 28 .

[0035] The positioning base 1 and the positioning top seat 5 are detachably fixedly connected by a third bolt 30, so that the positioning base 1 and the positioning top seat 5 can be easily installed and removed, and the internal maintenance of the device can be easily performed.

[0036] The specific embodiments are merely explanations of the present invention and are not limitations of the present invention. After reading this specification, those skilled in the art may make modifications to the embodiments without any creative contribution as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A concentric fixture for a motor end cover processing unit, characterized in that: The invention comprises a tubular connecting sleeve (26), one end of which is provided with a clamping device (27), the clamping device (27) comprising a positioning base (1) fixedly connected to one end of the connecting sleeve (26), a groove (2) being provided on the surface of the positioning base (1), a sliding seat (3) being slidably connected in the groove (2) along a vertical direction, and a driving member (4) for driving the sliding seat (3), the upper surface of the positioning base (1) being covered with and fixedly connected with a positioning top seat (5), the surface of the sliding seat (3) being evenly provided with a plurality of vertical positioning rods (6) along a circumferential direction, the ends of the positioning rods (6) extending out of the surface of the positioning top seat (5) being provided with pressure claws (7), and a centering component being further provided at the center of the positioning top seat (5).

2. A concentric fixture for a motor end cover processing unit according to claim 1, characterized in that: A plurality of first connecting columns (8) are arranged on the surface of the sliding seat (3); a first limiting plate (9) is arranged at the bottom end of the positioning rod (6); a first sliding groove (10) is provided inside the first connecting column (8) for sliding connection with the first limiting plate (9); a through hole is provided at the top of the first connecting column (8) for the positioning rod (6) to pass through; and a first spring (11) is sleeved on the positioning rod (6) between the first limiting plate (9) and the top of the first sliding groove (10).

3. A concentric fixture for a motor end cover processing unit according to claim 1, characterized in that: A first thread groove (12) is formed at the top end of the positioning rod (6), and a first bolt (13) is provided on the pressure claw (7) and is threadedly connected in the first thread groove (12).

4. A concentric fixture for a motor end cover processing unit according to claim 1, characterized in that: An annular groove (14) is provided at the top center of the positioning top seat (5), and the centering component includes a tensioning sleeve (15) arranged in the annular groove (14). The tensioning sleeve (15) includes a bottom plate (16) arranged at the bottom of the annular groove (14), and a plurality of arc-shaped plates (17) are provided on the surface of the bottom plate (16) along the circumferential direction, and also includes a control component for controlling the opening of the tensioning sleeve (15).

5. A concentric fixture for a motor end cover processing unit according to claim 4, characterized in that: The control assembly comprises an abutment plate (18) provided with a top of a tension sleeve (15); the circumferential side wall of the abutment plate (18) is an inclined surface; the top of the inner side wall of the arc-shaped plate (17) is an inclined surface parallel to the circumferential side wall of the abutment plate (18); and the sliding seat (3) is connected to the abutment plate (18).

6. A concentric fixture for a motor end cover processing unit according to claim 5, characterized in that: The bottom of the abutment plate (18) is fixedly connected with a pull rod (19), the surface of the sliding seat (3) is provided with a second connecting column (20), the second connecting column (20) is provided with a second sliding groove (21), the bottom end of the pull rod (19) is provided with a second limiting plate (22) sliding in the second sliding groove (21), the pull rod (19) is located between the second limiting plate (22) and the top of the second sliding groove (21) and is provided with a second spring (23), and the driving member (4) simultaneously drives the pull rod (19) to move.

7. A concentric fixture for a motor end cover processing unit according to claim 6, characterized in that: The surface of the sliding seat (3) is provided with a mounting groove (24) for the second connecting column (20) to be inserted and fixedly connected. The second sliding groove (21) passes through the bottom of the second connecting column (20). When the second limiting plate (22) slides downward, it abuts against the bottom of the mounting groove (24). The driving member (4) is specifically a cylinder installed on the connecting sleeve (26) at the other end of the clamping device (27). The end of the piston rod of the cylinder is fixedly connected to a driving rod (25). The driving rod (25) passes through the sliding positioning base (1) and the sliding seat (3) and is fixedly connected to the bottom of the second limiting plate (22).

8. A concentric fixture for a motor end cover processing unit according to claim 7, characterized in that: A second thread groove (28) is formed at the top of the pull rod (19), a second bolt (29) is provided on the abutment plate (18), and the bottom end of the second bolt (29) is threadedly connected in the second thread groove (28).

9. A concentric fixture for a motor end cover processing unit according to claim 8, characterized in that: The positioning base (1) and the positioning top base (5) are detachably fixedly connected via a third bolt (30).

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