Vertical collet chuck

Abstract

The invention relates to the field of collet chucks, in particular to a vertical collet chuck which comprises a vertical seat, a chuck body, a driving motor and a transmission part, the vertical seat is provided with a mounting opening, the chuck body is coaxially and rotatably connected to the inner wall of the mounting opening, a motor shell of the driving motor is fixedly connected to the vertical seat, and the transmission part is fixedly connected to the vertical seat. A motor shaft of the driving motor is connected to the chuck body through a transmission piece. The driving motor is directly installed on the vertical base and drives the chuck to rotate through the transmission piece, an extra power source is not needed, the assembling and debugging time before use is shortened, the peripheral structure is simplified, the working space is saved, and use convenience is improved.

Description

Technical Field

[0001] The present application relates to the field of collet chucks, and in particular to a vertical collet chuck. Background Art

[0002] Collet chuck is a kind of fixture widely used in lathes, milling machines, machining centers and automation equipment for high precision and fast clamping of workpieces. Its core is to use a collet with elastic deformation ability to clamp the workpiece or tool.

[0003] In the prior art, collet chucks generally require a flange to be connected to the end of the chuck body. When using the collet chuck, an additional power source and a connecting mechanism are required to drive the flange to rotate the collet. These external components require additional surrounding space, and the chuck and external drive source need to be installed separately and the two need to be precisely connected. The installation and debugging process is more complicated and time-consuming. Summary of the Invention

[0004] In order to improve the convenience of use, the present application provides a vertical collet chuck.

[0005] The vertical collet chuck provided in this application adopts the following technical solution: A vertical collet chuck comprises a stand, a chuck body, a drive motor and a transmission member. The stand is provided with a mounting opening, the chuck body is coaxially rotatably connected to the inner wall of the mounting opening, the motor housing of the drive motor is fixedly connected to the stand, and the motor shaft of the drive motor is connected to the chuck body via a transmission member.

[0006] By adopting the above technical solution, the drive motor is directly installed on the stand, and the drive motor drives the chuck to rotate through the transmission parts, without the need for an additional power source, shortening the assembly and debugging time before use, simplifying the peripheral structure, saving working space, and improving the convenience of use.

[0007] Preferably, the transmission member includes a first gear and a second gear, the motor shaft of the drive motor is coaxially fixedly connected to the first gear, the second gear is coaxially fixedly connected to the outer wall of the chuck body, and the first gear is engaged with the second gear.

[0008] By adopting the above technical solution, the driving motor drives the chuck body to rotate through the first gear and the second gear. Direct meshing transmission usually has higher mechanical efficiency and faster response speed, reduces power loss, and is easy to use.

[0009] Preferably, the stand includes a support seat, a mounting seat and a connecting seat, the mounting seat is fixedly connected to the upper end of the support seat, the connecting seat is fixedly connected to the mounting seat, the mounting seat is provided with a mounting port, the connecting seat is provided with a connecting groove at one end facing the chuck body, the outer wall of the connecting seat is provided with a connecting port, the connecting port is connected to the connecting groove, the motor housing of the driving motor is fixedly connected to the connecting seat, the motor shaft of the driving motor passes through the connecting port, and one end of the transmission member is provided in the connecting groove.

[0010] By adopting the above technical solution, the connecting seat covers the transmission member, reduces the pollution of the transmission member by external impurities, reduces the accidental contact of the transmission member by the outside world, protects the transmission member, and at the same time improves the overall aesthetics of the appearance.

[0011] Preferably, the chuck body includes a rotating ring, a cylinder and a clamping block, the rotating ring rotates coaxially in the mounting port, the cylinder is connected to the inner wall of the mounting port, the cylinder is provided with a deformation port and an expansion joint, the expansion joint is connected to the deformation port, the expansion joint extends to the end away from the deformation port and passes through the cylinder, there are multiple deformation ports, and the multiple deformation ports are evenly spaced around the axis of the cylinder, there are multiple expansion joints, and the expansion joints are arranged one to one, the clamping block is fixedly connected to the inner wall of the cylinder, there are multiple clamping blocks, and a clamping block is provided between two adjacent expansion joints.

[0012] By adopting the above technical solution, the deformation opening and the expansion joint provide space for the cylinder to deform, making it easier for the clamping block to clamp or release the workpiece, thereby improving the convenience of use.

[0013] Preferably, the chuck body further comprises a first bearing, an outer wall of the first bearing is coaxially fixedly connected to the inner wall of the mounting opening, and an outer wall of the rotating ring is coaxially fixedly connected to the inner wall of the first bearing.

[0014] By adopting the above technical solution, the friction between the rotating ring and the inner wall of the installation opening is reduced by the first bearing, which makes it easier to control the rotation of the rotating ring and facilitates user use.

[0015] Preferably, the chuck body also includes a fixed disk and a push block, one end of the cylinder is fixedly connected to the inner wall of the rotating ring, and the outer wall of the other end of the cylinder is provided with an abutment surface, the fixed disk and the abutment surface are respectively arranged on both sides of the rotating ring, the fixed disk is coaxially fixedly connected to one end of the rotating ring, the transmission member is connected to the fixed disk, the diameter of the abutment surface increases as it moves away from the fixed disk, the push block is slidably connected to the outer wall of the rotating ring, and the push block abuts the abutment surface.

[0016] By adopting the above technical solution, the sliding of the push block causes the cylinder to deform, and controls multiple clamping blocks to clamp or release the workpiece at the same time, which is convenient for users to use.

[0017] Preferably, the chuck body includes a first sealing ring, a second sealing ring and a third sealing ring, the inner wall of the mounting port is coaxially provided with an avoidance groove, the outer wall of the push block is slidably connected to the bottom of the avoidance groove, the bottom of the avoidance groove is provided with a control groove, the outer wall of the push block is fixedly connected to the control block, the control block is slidably connected to the bottom of the control groove, the first sealing ring and the second sealing ring are respectively arranged on both sides of the control groove, the first sealing ring and the second sealing ring are both sleeved on the outer periphery of the push block, the third sealing ring is coaxially fixedly connected to the outer wall of the control block, the outer wall of the seat is provided with a first opening and a second opening, the first opening and the second opening are respectively arranged on both sides of the control block, and the first opening and the second opening are both connected to the control groove.

[0018] By adopting the above technical solution, the first opening and the second opening are used to introduce liquid or gas into the control groove to push the sliding of the control block, thereby controlling the sliding of the push block and controlling the clamping and loosening of the cylinder, which is easy to operate and convenient to use.

[0019] Preferably, the bottom of the avoidance groove is provided with a first sealing groove and a second sealing groove, the first sealing groove and the second sealing groove are respectively provided on both sides of the control groove, the first sealing ring is embedded in the first sealing groove, and the second sealing ring is embedded in the second sealing groove, and the inner wall of the first sealing ring and the inner wall of the second sealing ring both abut the outer wall of the push block.

[0020] By adopting the above technical solution, the sealing performance is improved, the probability of liquid or gas leakage is reduced, and the stability is improved.

[0021] Preferably, the push block includes a sliding block, a second bearing and an abutment block, the sliding block is slidably connected to the bottom of the avoidance groove, the abutment block is slidably connected to the inner wall of the rotating ring, and the sliding block and the abutment block are respectively fixedly connected to the two ends of the second bearing.

[0022] By adopting the above technical solution, the rotation of the rotating ring drives the cylinder and the abutment block to rotate synchronously, reducing the influence of the friction between the cylinder and the abutment block on the rotation of the rotating ring and improving the stability of use.

[0023] In summary, this application includes at least one of the following beneficial technical effects: 1. The drive motor is directly installed on the stand. The drive motor drives the chuck to rotate through the transmission parts, eliminating the need for an additional power source. This shortens the assembly and debugging time before use, simplifies the peripheral structure, saves work space, and improves ease of use. 2. The driving motor drives the chuck body to rotate through the first gear and the second gear. Direct meshing transmission usually has higher mechanical efficiency and faster response speed, reduces power loss, and is easy to use. 3. The connecting seat covers the transmission parts, reduces the pollution of the transmission parts by external impurities, reduces the accidental contact of the transmission parts by the outside world, protects the transmission parts, and at the same time improves the overall aesthetics of the appearance. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of a vertical collet chuck.

[0025] Figure 2 It is a cross-sectional view of a vertical collet chuck.

[0026] Figure 3 It is a cross-sectional view of the mounting base, chuck body and auxiliary parts.

[0027] Figure 4 yes Figure 3 Enlarged view of point A in the middle.

[0028] Explanation of reference numerals: 1. seat; 11. support seat; 12. mounting seat; 121. mounting opening; 122. avoidance groove; 1221. control groove; 1222. first sealing groove; 1223. second sealing groove; 1224. locking groove; 123. first opening; 1231. first communicating groove; 124. second opening; 1241. second communicating groove; 125. communicating cavity; 13. connecting seat; 131. connecting groove; 132. connecting opening; 2. chuck body; 21. first bearing; 22. rotating ring; 23. cylinder; 231. abutting surface; 232. deformation opening; 233. expansion joint; 24. fixing plate; 25. clamp Block; 26, push block; 261, sliding block; 2611, control block; 2612, third sealing groove; 2613, limit groove; 2614, fourth sealing groove; 262, second bearing; 263, abutment block; 27, seal; 271, first sealing ring; 272, second sealing ring; 273, third sealing ring; 274, fourth sealing ring; 3, drive motor; 4, transmission member; 41, first gear; 42, second gear; 5, auxiliary member; 51, spring; 52, locking block; 521, guide surface; 53, third gear; 54, first rack; 55, second rack; 56, blocking column; 57, fifth sealing ring. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-4 This application is described in further detail.

[0030] The embodiment of the present application discloses a vertical collet chuck.

[0031] Example 1 Reference Figure 1 and Figure 2 The vertical collet chuck includes a stand 1, a chuck body 2, a drive motor 3 and a transmission part 4.

[0032] The stand 1 includes a support base 11, a mounting base 12, and a connecting base 13. The mounting base 12 is fixedly connected to the upper end of the support base 11, and the connecting base 13 is fixedly connected to the upper end of the mounting base 12. The mounting base 12 is provided with a mounting opening 121, the axis of which is horizontal and which passes through the mounting base 12. The chuck body 2 is coaxially connected to the inner wall of the mounting opening 121. The end of the connecting base 13 facing the chuck body 2 is provided with a connecting groove 131, which is located directly above the chuck body 2. The outer wall of the connecting base 13 is provided with a connecting opening 132, which is located on the side of the connecting groove 131 away from the mounting opening 121. The connecting opening 132 is connected to the connecting groove 131, and the axis of the connecting opening 132 is parallel to the axis of the mounting opening 121.

[0033] Reference Figure 1 and Figure 2 The motor housing of the drive motor 3 is fixedly connected to the connecting seat 13. The motor shaft of the drive motor 3 passes through the connecting port 132 and is connected to the chuck body 2 via the transmission member 4. The transmission member 4 includes a first gear 41 and a second gear 42. The motor shaft of the drive motor 3 is coaxially fixedly connected to the first gear 41. The second gear 42 is coaxially fixedly connected to the outer wall of the chuck body 2. The first gear 41 meshes with the second gear 42. The first gear 41 is disposed in the connecting groove 131.

[0034] The implementation principle of Example 1 of the present application is: the drive motor is directly installed on the stand, and the drive motor drives the chuck body to rotate through the first gear and the second gear, without the need for an additional power source, shortening the assembly and debugging time before use, simplifying the peripheral structure, saving working space, and improving the convenience of use.

[0035] Example 2 Reference Figure 2 and Figure 3 The chuck body 2 includes a first bearing 21, a rotating ring 22, a cylindrical body 23, a fixed plate 24, a clamping block 25, a push block 26, and a seal 27. The outer wall of the first bearing 21 is coaxially fixedly connected to the inner wall of the mounting opening 121, and the outer wall of the rotating ring 22 is coaxially fixedly connected to the inner wall of the first bearing 21. One end of the cylindrical body 23 is fixedly connected to the inner wall of the rotating ring 22, and the outer wall of the other end of the cylindrical body 23 is provided with an abutment surface 231. The fixed plate 24 and the abutment surface 231 are respectively provided on either side of the rotating ring 22.

[0036] Reference Figure 1 and Figure 2 The fixed disk 24 is arranged directly below the connecting groove 131 , the fixed disk 24 is coaxially fixedly connected to the outer wall of the rotating ring 22 , the second gear 42 is coaxially fixedly connected to the outer wall of the fixed disk 24 , and the diameter of the abutment surface 231 increases as it moves away from the fixed disk 24 .

[0037] Reference Figure 2 and Figure 3 The cylinder 23 is provided with a deformation port 232 and an expansion joint 233. One end of the expansion joint 233 is connected to the deformation port 232, and the other end of the expansion joint 233 extends toward the end away from the fixed plate 24 to pass through the cylinder 23. There are multiple deformation ports 232, and the multiple deformation ports 232 are evenly spaced around the axis of the cylinder 23. There are multiple expansion joints 233, and the expansion joints 233 are arranged one-to-one corresponding to the deformation ports 232. The clamping block 25 is fixedly connected to the inner wall of the cylinder 23. There are multiple clamping blocks 25, and a clamping block 25 is provided between two adjacent expansion joints 233.

[0038] Reference Figure 3 The push block 26 includes a sliding block 261, a second bearing 262, and an abutting block 263. The inner wall of the mounting opening 121 is coaxially provided with an avoidance groove 122. The sliding block 261 is slidably connected to the bottom of the avoidance groove 122, and the abutting block 263 is slidably connected to the outer wall of the rotating ring 22. The sliding block 261 and the abutting block 263 are respectively fixedly connected to the ends of the second bearing 262, and the abutting block 263 abuts the abutting surface 231. The bottom of the avoidance groove 122 is provided with a control groove 1221. The outer wall of the sliding block 261 is fixedly connected to a control block 2611, which is slidably connected to the bottom of the control groove 1221.

[0039] Reference Figure 3 and Figure 4 The sealing member 27 includes a first sealing ring 271, a second sealing ring 272, a third sealing ring 273 and a fourth sealing ring 274. The bottom of the avoidance groove 122 is provided with a first sealing groove 1222 and a second sealing groove 1223. The first sealing groove 1222 and the second sealing groove 1223 are respectively provided on both sides of the control groove 1221. The first sealing ring 271 is embedded in the first sealing groove 1222, and the second sealing ring 272 is embedded in the second sealing groove 1223. The inner wall of the first sealing ring 271 and the inner wall of the second sealing ring 272 both abut against the outer wall of the sliding block 261.

[0040] Reference Figure 4 The outer wall of the control block 2611 is provided with a third sealing groove 2612, a limiting groove 2613 and a fourth sealing groove 2614. The third sealing groove 2612 and the fourth sealing groove 2614 are respectively provided on both sides of the limiting groove 2613. The third sealing ring 273 is embedded in the third sealing groove 2612, and the fourth sealing ring 274 is embedded in the fourth sealing groove 2614. The outer walls of the third sealing ring 273 and the outer walls of the fourth sealing ring 274 are both in contact with the bottom of the control groove 1221.

[0041] Reference Figure 3 and Figure 4The outer wall of the mounting seat 12 is provided with a first opening 123 and a second opening 124, which are respectively provided on either side of the control block 2611. The first opening 123 and the second opening 124 are both connected to the control groove 1221. The first opening 123 is provided on a side of the control block 2611 close to the fixed plate 24, and the third sealing groove 2612 is provided on a side of the limiting groove 2613 close to the first opening 123.

[0042] Reference Figure 3 and Figure 4 The vertical collet chuck also includes an auxiliary component 5, which includes a spring 51, a locking block 52, a third gear 53, a first rack 54, a second rack 55, a blocking column 56, and a fifth sealing ring 57. A locking groove 1224 is provided at the bottom of the control groove 1221. The locking groove 1224 is located on the side of the fourth sealing ring 274 away from the second opening 124. When the clamping block 25 clamps the material, the locking groove 1224 faces the limiting groove 2613. There are multiple locking grooves 1224, which are evenly spaced around the axis of the installation opening 121. The auxiliary components 5 are provided in a one-to-one correspondence with the locking grooves 1224. One end of the spring 51 is fixedly connected to the bottom of the locking groove 1224, and the other end of the spring 51 is fixedly connected to the locking block 52. The locking block 52 has a guide surface 521 on the end facing the fixed plate 24. The guide surface 521 is configured as an inclined surface, and the distance from the guide surface 521 to the second opening 124 decreases as the distance away from the spring 51 is increased. Lubricating fluid is provided in the limiting groove 2613.

[0043] Reference Figure 4 The mounting seat 12 is provided with a connecting cavity 125, the second opening 124 is provided with a second connecting groove 1241 on the inner wall away from the connecting cavity 125, the first opening 123 is provided with a first connecting groove 1231 on the inner wall away from the connecting cavity 125, the first connecting groove 1231 and the second connecting groove 1241 are both connected to the connecting cavity 125, the second connecting groove 1241 is provided below the connecting cavity 125, the third gear 53 rotates around its own axis and is connected to the inner wall of the connecting cavity 125, the first rack 54 It is slidably connected to the bottom of the first communicating groove 1231, the first rack 54 is fixedly connected to the locking block 52, the second rack 55 is slidably connected to the groove wall of the second communicating groove 1241, the second rack 55 and the first rack 54 are both engaged with the third gear 53, the blocking column 56 is fixedly connected to one end of the second rack 55 facing the second opening 124, the outer wall of the blocking column 56 is fixedly connected to the fifth sealing ring 57, and the outer wall of the fifth sealing ring 57 abuts the groove wall of the second communicating groove 1241.

[0044] The implementation principle of Example 2 of the present application is as follows: the first port 123 and the second port 124 are connected to an external power source (gas / liquid cylinder). When the workpiece is installed in the cylinder 23, pressure is applied to the first port 123, and the control block 2611 slides to control the deformation of the cylinder 23 and clamp the workpiece. At this time, the locking block 52 is embedded in the limiting groove 2613. When it is necessary to control the rotation of the workpiece, the driving motor 3 drives the rotating ring 22 to rotate through the first gear 41 and the second gear 42, so that the cylinder 23 and the workpiece rotate together. After the workpiece is processed, pressure is applied to the second port 124, and the blocking column 56 moves through the gear rack to drive the locking block 52 to move away from the limiting groove 2613, and the control block 2611 slides, so that the cylinder 23 releases the workpiece.

[0045] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A vertical collet chuck, characterized by: The invention comprises a stand (1), a chuck body (2), a drive motor (3) and a transmission member (4); the stand (1) is provided with a mounting opening (121); the chuck body (2) is coaxially rotatably connected to the inner wall of the mounting opening (121); the motor housing of the drive motor (3) is fixedly connected to the stand (1); and the motor shaft of the drive motor (3) is connected to the chuck body (2) via the transmission member (4).

2. The vertical collet chuck according to claim 1, characterized in that: The transmission member (4) comprises a first gear (41) and a second gear (42), the motor shaft of the drive motor (3) is coaxially fixedly connected to the first gear (41), the second gear (42) is coaxially fixedly connected to the outer wall of the chuck body (2), and the first gear (41) is meshed with the second gear (42).

3. The vertical collet chuck according to claim 1, characterized in that: The stand (1) comprises a support seat (11), a mounting seat (12) and a connecting seat (13), wherein the mounting seat (12) is fixedly connected to the upper end of the support seat (11), and the connecting seat (13) is fixedly connected to the mounting seat (12), the mounting seat (12) is provided with a mounting port (121), and the connecting seat (13) is provided with a connecting groove (131) at one end facing the chuck body (2), and the outer wall of the connecting seat (13) is provided with a connecting port (132), and the connecting port (132) is connected to the connecting groove (131), the motor housing of the driving motor (3) is fixedly connected to the connecting seat (13), the motor shaft of the driving motor (3) passes through the connecting port (132), and one end of the transmission member (4) is provided in the connecting groove (131).

4. The vertical collet chuck according to claim 1, characterized in that: The chuck body (2) includes a rotating ring (22), a cylinder (23) and a clamping block (25), wherein the rotating ring (22) rotates coaxially in the mounting port (121), the cylinder (23) is connected to the inner wall of the mounting port (121), the cylinder (23) is provided with a deformation port (232) and an expansion joint (233), the expansion joint (233) is connected to the deformation port (232), the expansion joint (233) extends to the end away from the deformation port (232) and passes through the cylinder (23), a plurality of the deformation ports (232) are provided, and the plurality of the deformation ports (232) are evenly spaced around the axis of the cylinder (23), a plurality of the expansion joints (233) are provided, and the expansion joints (233) are arranged one to one, and the clamping block (25) is fixedly connected to the inner wall of the cylinder (23), a plurality of the clamping blocks (25) are provided, and a clamping block (25) is provided between two adjacent expansion joints (233).

5. The vertical collet chuck according to claim 4, characterized in that: The chuck body (2) further comprises a first bearing (21), the outer wall of the first bearing (21) being coaxially fixedly connected to the inner wall of the mounting opening (121), and the outer wall of the rotating ring (22) being coaxially fixedly connected to the inner wall of the first bearing (21).

6. The vertical collet chuck according to claim 4, characterized in that: The chuck body (2) further includes a fixed disk (24) and a push block (26), one end of the cylinder (23) is fixedly connected to the inner wall of the rotating ring (22), and the outer wall of the other end of the cylinder (23) is provided with an abutting surface (231), the fixed disk (24) and the abutting surface (231) are respectively arranged on both sides of the rotating ring (22), the fixed disk (24) is coaxially fixedly connected to one end of the rotating ring (22), the transmission member (4) is connected to the fixed disk (24), the diameter of the abutting surface (231) increases as it moves away from the fixed disk (24), the push block (26) is slidably connected to the outer wall of the rotating ring (22), and the push block (26) abuts against the abutting surface (231).

7. The vertical collet chuck according to claim 6, characterized in that: The chuck body (2) includes a first sealing ring (271), a second sealing ring (272) and a third sealing ring (273); the inner wall of the mounting port (121) is coaxially provided with an avoidance groove (122); the outer wall of the push block (26) is slidably connected to the bottom of the avoidance groove (122); the bottom of the avoidance groove (122) is provided with a control groove (1221); the outer wall of the push block (26) is fixedly connected to a control block (2611); the control block (2611) is slidably connected to the bottom of the control groove (1221); the first sealing ring (271) and the second sealing ring (272) are respectively arranged on both sides of the control groove (1221), the first sealing ring (271) and the second sealing ring (272) are both sleeved on the outer periphery of the push block (26), the third sealing ring (273) is coaxially fixedly connected to the outer wall of the control block (2611), and the outer wall of the stand (1) is provided with a first opening (123) and a second opening (124), the first opening (123) and the second opening (124) are respectively arranged on both sides of the control block (2611), and the first opening (123) and the second opening (124) are both connected to the control groove (1221).

8. The vertical collet chuck according to claim 7, characterized in that: A first sealing groove (1222) and a second sealing groove (1223) are provided at the bottom of the avoidance groove (122); the first sealing groove (1222) and the second sealing groove (1223) are respectively provided on both sides of the control groove (1221); the first sealing ring (271) is embedded in the first sealing groove (1222); the second sealing ring (272) is embedded in the second sealing groove (1223); the inner wall of the first sealing ring (271) and the inner wall of the second sealing ring (272) both abut against the outer wall of the push block (26).

9. The vertical collet chuck according to claim 7, characterized in that: The push block (26) includes a sliding block (261), a second bearing (262) and an abutting block (263), wherein the sliding block (261) is slidably connected to the bottom of the avoidance groove (122), and the abutting block (263) is slidably connected to the inner wall of the rotating ring (22), and the sliding block (261) and the abutting block (263) are respectively fixedly connected to the two ends of the second bearing (262).

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