Angular contact main shaft clamping seat

Abstract

The utility model belongs to the technical field of main shaft clamping seats, and particularly relates to an angular contact main shaft clamping seat which comprises a clamping seat body provided with a mounting through groove, and the mounting through groove is in a step shape. The built-in shaft protection assembly is arranged in the mounting through groove; the front end cover assembly is connected to the small end of the mounting through groove; a rear end cover water channel of the rear end cover assembly is connected to the large end of the mounting through groove; wherein the two ends of the built-in shaft protection assembly are matched with the front end cover assembly and the rear end cover assembly.

Description

Technical Field

[0001] The utility model belongs to the technical field of a spindle clamp seat, in particular to an angular contact spindle clamp seat. Background Art

[0002] The spindle clamp is used to clamp round rod-like workpieces and is widely used in machine tools. There are many types of spindle clamps. The most commonly used spindle clamp is the elastic chuck. The elastic chuck is a conical structure with multiple openings in the generatrix direction of the cone. The elastic chuck can be placed in the cone head spindle and moved relative to the cone head spindle to tighten and loosen the workpiece.

[0003] The existing spindle clamp is generally directly matched with the spindle, but during the assembly process with the spindle and during operation, the spindle or the spindle clamp is easily worn due to collisions and high-speed vibrations, which affects the service life. Therefore, we have specially designed an angular contact spindle clamp. Utility Model Content

[0004] The purpose of the utility model is to provide an angular contact spindle clamp seat to achieve the effect of wear resistance in view of the above-mentioned existing technical problems.

[0005] In view of this, the utility model provides an angular contact spindle clamp, comprising:

[0006] The clamp seat body is provided with a mounting groove, and the mounting groove is in a stepped shape;

[0007] A built-in shaft guard assembly, the built-in shaft guard assembly is arranged in the installation slot;

[0008] A front end cover assembly, the front end cover assembly is connected to the small end of the installation slot;

[0009] A rear end cover assembly, the rear end cover assembly is connected to the large end of the installation slot;

[0010] Among them, the two ends of the built-in shaft guard assembly cooperate with the front end cover assembly and the rear end cover assembly.

[0011] In the above technical solution, further, the built-in shaft guard assembly includes:

[0012] A bushing assembly, the bushing assembly comprising a first bushing and a second bushing;

[0013] The shaft sleeve combination includes a connecting sleeve and a matching sleeve, and the connecting sleeve is arranged at both ends of the matching sleeve;

[0014] A bearing assembly, the bearing assembly comprising a first bearing group and a second bearing group;

[0015] The bushing assembly is arranged outside the shaft sleeve assembly, and the bearing assembly is arranged outside the bushing assembly and matched with the installation through groove;

[0016] Wherein, a metal guard ring is arranged between the second bushing and the connecting sleeve.

[0017] In the above technical solution, further, it also includes:

[0018] A ferrule assembly, the ferrule assembly comprising a ferrule body, a first fixing ring, a first clamping ring and a first gasket;

[0019] The first fixing ring is threadedly connected to the first bushing, the first clamping ring is arranged between the matching surfaces of the first bushing and the second bushing, and the first gasket is arranged outside the clamping ring;

[0020] The fixing ring, the clamping ring and the gasket form a connecting surface, and the ferrule body is tightly fitted and fixed on the connecting surface.

[0021] In the above technical solution, further, the front end cover assembly includes:

[0022] A first cover plate, an annular protrusion is arranged on the inner side of the first cover plate, the annular protrusion is matched with the ferrule body, and a second gasket is arranged between the matching surfaces of the annular protrusion and the ferrule body;

[0023] A first fixed retaining ring is arranged on the first cover plate and connected to the outside of the first bushing. A second retaining ring is arranged between the first fixed retaining ring and the first bushing.

[0024] In the above technical solution, further, the rear end cover assembly includes:

[0025] A second cover plate;

[0026] A third gasket ring, which is arranged between the second cover plate and the clamp seat body;

[0027] Wherein, the peripheral side wall surface of the second cover plate is configured as a toothed surface.

[0028] In the above technical solution, further, it also includes:

[0029] Cooling water channels, including countersunk channels, inclined channels, side water inlet channels and side water outlet channels;

[0030] Among them, the outer port of the small end of the mounting groove is provided with an inner groove, and multiple countersunk channels are provided on the end surface of the inner groove. The inclined channel is arranged in the countersunk channel and connects the adjacent countersunk channels. The ports of the side water inlet channel and the side water outlet channel are arranged on one side of the clamp seat body and pass through the countersunk channel.

[0031] In the above technical solution, further, it also includes:

[0032] The sealing steel ring is arranged in the inner cut groove and is fixed when the second cover plate is connected to the clamp seat body. The sealing steel ring is provided with bolt holes and cooperates with the clamp seat body through bolts.

[0033] The beneficial effects of the utility model are as follows: the overall structure is compact, and the main shaft can be protected, thereby extending the service life of the main shaft, thereby helping to reduce the enclosure cost of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the structure of one side of the utility model;

[0035] Figure 2 It is a structural schematic diagram of another side of the utility model;

[0036] Figure 3 It is a cross-sectional view of the utility model;

[0037] Figure 4 It is a schematic diagram of the cooling water channel on the clamp seat body of the utility model;

[0038] The markings in the figure are as follows: 1. clamp seat body; 11. mounting groove; 12. pull ring structure; 2. built-in shaft guard assembly; 21. bushing assembly; 211. first bushing; 212. second bushing; 22. shaft sleeve assembly; 221. connecting sleeve; 222. matching sleeve; 23. bearing assembly; 231. first bearing group; 232. second bearing group; 3. front end cover assembly; 31. first cover plate; 32. first fixed retaining ring; 4. rear end cover assembly; 41. second cover plate; 42. third gasket; 43. tooth surface; 5. ferrule assembly; 51. ferrule body; 52. first fixed ring; 53. first retaining ring; 54. first gasket; 6. second gasket; 7. second retaining ring; 8. cooling water channel; 81. countersunk channel; 82. inclined channel; 83. side water inlet; 84. side water outlet; 9. sealing steel ring. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0040] Embodiment 1:

[0041] This embodiment provides an angular contact spindle clamp, comprising:

[0042] A clamping seat body 1 is provided with a mounting groove 11, and the mounting groove 11 is in a stepped shape;

[0043] A built-in shaft guard assembly 2, the built-in shaft guard assembly 2 is arranged in the installation slot 11;

[0044] A front end cover assembly 3, the front end cover assembly 3 is connected to the small end of the installation slot 11;

[0045] A rear end cover assembly 4, which is connected to the large end of the installation slot 11;

[0046] Among them, the two ends of the built-in shaft guard assembly 2 cooperate with the front end cover assembly 3 and the rear end cover assembly 4.

[0047] It can be seen from this embodiment that an angular contact spindle clamp includes a clamp body 1, a built-in shaft protection component 2, a front end cover component 3 and a rear end cover component 4;

[0048] A stepped installation slot 11 is provided on the clamp body 1, and a pull ring structure 12 is provided at the upper end of the clamp body 1, so as to facilitate the movement during use;

[0049] The built-in shaft guard assembly 2 is arranged in the installation slot 11. When in use, the built-in shaft guard assembly 2 clamps and protects the main shaft, thereby reducing the friction of the main shaft and increasing the service life of the main shaft;

[0050] The front end cover assembly 3 is arranged on the small end of the installation slot 11 and is clamped on the outside of one end of the built-in shaft guard assembly 2. The rear end cover assembly 4 is arranged on the end of the installation slot 11 and is clamped on the outside of the other end of the built-in shaft guard assembly 2. The front end cover assembly 3 and the rear end cover assembly 4 cooperate to clamp the shaft guard assembly.

[0051] The overall structure is compact and can protect the main shaft, prolonging the service life of the main shaft, thereby helping to reduce the company's enclosure costs.

[0052] Embodiment 2:

[0053] This embodiment provides an angular contact spindle clamp, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0054] The built-in shaft guard assembly 2 includes:

[0055] A bushing assembly 21, the bushing assembly 21 comprises a first bushing 211 and a second bushing 212;

[0056] The shaft sleeve assembly 22 includes a connecting sleeve 221 and a matching sleeve 222, wherein the connecting sleeve 221 is arranged at both ends of the matching sleeve 222;

[0057] A bearing assembly 23, the bearing assembly 23 comprises a first bearing group 231 and a second bearing group 232;

[0058] The bushing assembly 21 is arranged on the outside of the shaft sleeve assembly 22 , and the bearing assembly 23 is arranged on the outside of the bushing assembly 21 and matched with the installation through groove 11 .

[0059] Wherein, a metal guard ring is provided between the second bushing 212 and the connecting sleeve 221;

[0060] It can be seen from this embodiment that the built-in shaft protection assembly 2 includes a bushing assembly 21, a shaft sleeve assembly 22 and a bearing assembly 23;

[0061] The bushing assembly 21 includes a first bushing 211 and a second bushing 212. The first bushing 211 has a protruding section, and the first bushing 211 cooperates with the second bushing 212 through the protruding section. The shaft sleeve assembly 22 includes a connecting sleeve 221 and a matching sleeve 222. The connecting sleeve 221 is arranged at both ends of the matching sleeve 222 and is used to connect the main shaft when in use. Furthermore, the shaft hole on the connecting sleeve 221 is larger than the shaft hole on the matching sleeve 222, so that when encountering a main shaft with a different caliber, it can be matched and connected with the shaft hole on the matching sleeve 222 or the connecting sleeve 221, so as to facilitate use. The bearing assembly 23 includes a first bearing group 231 and a second bearing group 232. The first bearing group 231 is arranged on the outside of the first sleeve and cooperates with the installation groove 11. The second bearing group 232 is arranged on the outside of the second bushing 212 and cooperates with the installation groove 11. The first bearing group 231 and the second bearing group 232 can effectively reduce the friction between the bushing assembly 21 and the installation groove 11, thereby protecting the bushing assembly 21, thereby improving the service life of the bushing assembly 21. Furthermore, a metal guard ring is arranged between the second bushing 212 and the connecting sleeve 221. The metal guard ring is provided with bolt holes and is embedded in the outer port of the second bushing 212. It is fixed to the second bushing 212 by bolts, and the connecting sleeve 221 extends from the metal guard ring.

[0062] The built-in shaft guard assembly 2 has a compact structure and high structural strength, and is more stable and less prone to shaking when used in conjunction with the main shaft, thereby improving the transmission effect of the main shaft.

[0063] Embodiment 3:

[0064] This embodiment provides an angular contact spindle clamp, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0065] The ferrule assembly 5 includes a ferrule body 51, a first fixing ring 52, a first clamping ring 53 and a first gasket 54;

[0066] The first fixing ring 52 is threadedly connected to the first bushing 211, the first clamping ring 53 is arranged between the matching surfaces of the first bushing 211 and the second bushing 212, and the first gasket 54 is arranged outside the clamping ring;

[0067] The fixing ring, the clamping ring and the gasket form a connecting surface, and the ferrule body 51 is tightly fitted and fixed on the connecting surface.

[0068] It can be seen from this embodiment that the ferrule assembly includes a ferrule body 51, a first fixing ring 52, a first clamping ring 53 and a first gasket 54;

[0069] The ferrule body 51 is connected to the outer side of the first bushing 211 and cooperates with the large end wall of the installation groove 11. The first fixing ring 52 is connected to the wall of the first bushing 211 on the side close to the protruding section. The first fixing ring 52 and the first bushing 211 are threadedly connected. The first clamping ring 53 is arranged on the protruding section of the first bushing 211. The first gasket 54 is arranged on the second bushing 212 and abuts against one side of the second bearing group 232. The first clamping ring 53 and the first gasket 54 are tightly fixed after the first bushing 211 and the second bushing 212 cooperate. Further, a first keyway is formed on the inner side of the first clamping ring 53, and a second keyway is correspondingly formed on the second bushing 212. When in use, the first clamping ring 53 is fixed by connecting the first keyway and the second keyway through a key.

[0070] The ferrule body 51 is tightly connected to the assembly surface formed by the first fixing ring 52, the first clamping ring 53 and the first gasket 54 connected to the outside of the bushing assembly 21, so that the bushing assembly 21 is tightly assembled in the installation groove 11, thereby making the connection between the built-in shaft guard assembly 2 and the clamp seat body 1 stable.

[0071] Embodiment 4:

[0072] This embodiment provides an angular contact spindle clamp, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0073] The front end cover assembly 3 includes:

[0074] A first cover plate 31, an annular protrusion is disposed on the inner side of the first cover plate 31, the annular protrusion is matched with the ferrule body 51, and a second gasket 6 is disposed between the matching surfaces of the annular protrusion and the ferrule body 51;

[0075] The first fixed retaining ring 32 is disposed on the first cover plate 31 and connected to the outside of the first bushing 211 . A second clamping ring 7 is disposed between the first fixed retaining ring 32 and the first bushing 211 .

[0076] It can be seen from this embodiment that the front end cover assembly 3 includes a first cover plate 31 and a first fixed retaining ring 32;

[0077] An annular protrusion is formed on the inner wall surface of the first cover plate 31. When the first cover plate 31 is connected to the large end of the installation groove 11, the annular protrusion is embedded in the installation groove 11 and clamped on the ferrule body 51 for tight fitting connection. Furthermore, a second gasket 6 is provided on the mating surface between the annular protrusion and the ferrule body 51. The second gasket 6 fills the gap between the mating surfaces, thereby achieving a good tight fitting effect.

[0078] The first fixed retaining ring 32 is arranged on the first cover plate 31 and connected to the outer side of the first bushing 211. A plurality of bolt holes are arranged on the first fixed retaining ring 32. Bolt holes are arranged on the first cover plate 31 and the first fixed retaining ring 32, and are connected to the ferrule body 51 by bolts. Furthermore, a second retaining ring 7 is arranged between the first fixed retaining ring 32 and the first bushing 211. The first retaining ring 53 limits the corresponding bushing after the first fixed retaining ring 32 is fixed with the ferrule body 51 by bolts to prevent the bushing from being thrown out when the main shaft rotates at high speed.

[0079] Embodiment 5:

[0080] This embodiment provides an angular contact spindle clamp, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0081] The rear end cover assembly 4 comprises:

[0082] A second cover plate 41;

[0083] A third gasket 42, which is disposed between the second cover plate 41 and the clamp body 1;

[0084] The peripheral side wall surface of the second cover plate 41 is configured as a toothed surface.

[0085] It can be seen from this embodiment that the rear end cover assembly 4 includes a second cover plate 41 and a second gasket 6;

[0086] The second cover plate 41 is connected to the outer side of the small end port of the mounting groove 11, and a second gasket 6 is arranged between the second cover plate 41 and the mounting groove 11. A tooth surface 43 is formed on the peripheral side wall surface of the second cover plate 41, and the tooth surface 43 is used for linkage. The second gasket 6 is arranged between the second cover plate 41 and the matching surface of the clamp seat body 1, and the second gasket 6 acts as a gasket.

[0087] Embodiment 6:

[0088] This embodiment provides an angular contact spindle clamp, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0089] The cooling water channel 8 includes a countersunk channel 81, an inclined channel 82, a side water inlet channel 83 and a side water outlet channel 84;

[0090] Among them, the outer port of the small end of the mounting groove 11 is provided with an inner groove, and the countersunk channel 81 is provided with multiple inner groove end surfaces, the inclined channel 82 is arranged in the countersunk channel 81 and connects the adjacent countersunk channels 81, and the ports of the side water inlet channel 83 and the side water outlet channel 84 are arranged on one side of the clamp seat body 1 and pass through the countersunk channel 81.

[0091] It can be seen from this embodiment that a cooling water channel 8 is provided on the clamp body 1, and the cooling water channel 8 is composed of a countersunk channel 81, an inclined channel 82, a side water inlet channel 83 and a side water outlet channel 84. The cooling water channel 8 can provide heat dissipation protection for the clamp body 1 when in use.

[0092] Embodiment 7:

[0093] This embodiment provides an angular contact spindle clamp, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0094] The sealing steel ring 9 is arranged in the inner groove and is fixed when the second cover plate 41 is connected to the clamp seat body 1. Bolt holes are opened on the sealing steel ring 9 and the sealing steel ring 9 cooperates with the clamp seat body 1 through bolts.

[0095] It can be seen from this embodiment that the sealing steel ring 9 is installed in the inner groove and closes the port of the counterbore channel 81 to seal the cooling water channel 8.

[0096] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. An angular contact spindle holder, characterized in that: include: A clamp seat body (1), wherein the clamp seat body (1) is provided with a mounting groove (11), and the mounting groove (11) is in a stepped shape; A built-in shaft guard component (2), wherein the built-in shaft guard component (2) is arranged in the installation slot (11); A front end cover assembly (3), wherein the front end cover assembly (3) is connected to the small end of the installation slot (11); A rear end cover assembly (4), wherein the rear end cover assembly is connected to the large end of the mounting slot (11); Wherein, the two ends of the built-in shaft protection component (2) cooperate with the front end cover component (3) and the rear end cover component (4); Wherein, the built-in shaft protection component (2) comprises: A bushing assembly (21), wherein the bushing assembly (21) comprises a first bushing (211) and a second bushing (212); A shaft sleeve assembly (22), wherein the shaft sleeve assembly (22) comprises a connecting sleeve (221) and a matching sleeve (222), wherein the connecting sleeve (221) is arranged at both ends of the matching sleeve (222); A bearing assembly (23), wherein the bearing assembly (23) comprises a first bearing group (231) and a second bearing group (232); The bushing assembly (21) is arranged outside the shaft sleeve assembly (22), and the bearing assembly (23) is arranged outside the bushing assembly (21) and cooperates with the installation groove (11); Wherein, a metal guard ring is provided between the second bushing (212) and the connecting sleeve (221).

2. The angular contact spindle holder according to claim 1, characterized in that include: A ferrule assembly (5), wherein the ferrule assembly (5) comprises a ferrule body (51), a first fixing ring (52), a first clamping ring (53) and a first gasket (54); The first fixing ring (52) is threadedly connected to the first bushing (211), the first clamping ring (53) is arranged between the matching surfaces of the first bushing (211) and the second bushing (212), and the first gasket (54) is arranged outside the clamping ring; The fixing ring, the clamping ring and the washer form a connecting surface, and the clamping sleeve body (51) is tightly fitted and fixed on the connecting surface.

3. The angular contact spindle holder according to claim 2, characterized in that: The front end cover assembly (3) comprises: A first cover plate (31), wherein an annular protrusion is arranged on the inner side of the first cover plate (31), the annular protrusion is matched with the ferrule body (51), and a second gasket (6) is arranged between the matching surfaces of the annular protrusion and the ferrule body (51); A first fixed retaining ring (32), wherein the first fixed retaining ring (32) is arranged on the first cover plate (31) and connected to the outside of the first bushing (211), and a second retaining ring (7) is arranged between the first fixed retaining ring (32) and the first bushing (211); Wherein, the first cover plate (31) and the first fixed retaining ring (32) are both provided with bolt holes and are connected to the ferrule body (51) via bolts.

4. The angular contact spindle holder according to claim 3, characterized in that: The rear end cover assembly (4) comprises: A second cover plate (41); A third gasket (42), wherein the third gasket (42) is arranged between the second cover plate (41) and the clamp seat body (1); Wherein, the peripheral side wall surface of the second cover plate (41) is configured as a toothed surface.

5. The angular contact spindle holder according to claim 4, characterized in that include: A cooling water channel (8), wherein the cooling water channel (8) comprises a countersunk channel (81), an inclined channel (82), a side water inlet channel (83) and a side water outlet channel (84); The outer port of the small end of the mounting slot (11) is provided with an inner groove, the countersunk channel (81) is provided with a plurality of inner groove end surfaces, the inclined channel (82) is provided in the countersunk channel (81) and is connected to adjacent countersunk channels (81), and the ports of the side water inlet channel (83) and the side water outlet channel (84) are provided on one side of the clamp seat body (1) and are connected to the countersunk channel (81).

6. The angular contact spindle holder according to claim 5, characterized in that include: A sealing steel ring (9), wherein the sealing steel ring (9) is arranged in the inner groove and is fixed when the second cover plate (41) is connected to the clamp seat body (1); a bolt hole is opened on the sealing steel ring (9) and is matched with the clamp seat body (1) through bolts.

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