Electric spindle grinding head device

Abstract

The utility model relates to a motorized spindle grinding head device which comprises a spindle, a supporting piece arranged on the end face of the spindle, an adjusting piece rotating on the supporting piece, a clamping piece clamping a grinding head and a rotating piece adjusting rotation of the adjusting piece. The rotating piece is rotationally connected to the supporting piece; the clamping piece is rotationally arranged on the supporting piece; and the adjusting piece drives the clamping piece to rotate. The problems that in the prior art, fixing columns on the two sides need to be rotated at the same time to enable arc-shaped plates on the two sides to press a grinding head at the same time, according to the scheme, it is difficult to make the grinding head coaxial with an electric spindle, and deviation is generated in the using process due to the fact that only two-side pressing is adopted in the fixing mode are solved.

Description

Technical Field

[0001] The utility model relates to the field of electric spindles, in particular to an electric spindle grinding head device. Background Art

[0002] In the field of CNC machine tools, the new technology that integrates the machine tool spindle and the spindle motor is called an electric spindle. Together with linear motors and high-speed tool technology, it realizes high-speed machining. The electric spindle includes the electric spindle itself and its accessories. The rotor of the motor is used as the spindle of the machine tool, and the housing of the spindle power supply is the base of the motor. In conjunction with other components, the integration of the motor and the machine tool spindle is realized.

[0003] Most of the existing electric spindle grinding heads increase the flexibility of the grinding head during grinding by using a pneumatic floating structure inside the spindle when grinding a workpiece. However, it is only suitable for lighter grinding processes. If deeper grinding or roughing is required, the necessary rigidity is lacking, and the electric spindle needs to be replaced for processing. Utility model CN220007346U discloses an electric spindle grinding head device, including an electric spindle housing, a connecting shaft is provided at the front end of the electric spindle housing, two support plates are symmetrically provided on both sides of the front end of the connecting shaft, and a fixed The fixed column has an arc-shaped resistance plate connected to its bottom, which is rotated on the support plate by the fixed column and drives the arc-shaped resistance plate to move downward until the arc-shaped surface of the arc-shaped resistance plate contacts the side wall of the grinding head and resists the upper and lower sides of the grinding head at the same time, thereby replacing the flexible connection of the pneumatic floating structure of the electric spindle and the grinding head with the rigid connection with the arc-shaped resistance plate; however, it is necessary to rotate the fixed columns on both sides at the same time so that the arc-shaped plates on both sides press the grinding head at the same time. This scheme makes it difficult to make the grinding head coaxial with the electric spindle, and the fixing method is only through pressing on both sides, which will cause deviation during use. Utility Model Content

[0004] The embodiment of the present application provides an electric spindle grinding head device, which solves the problem in the prior art that it is necessary to simultaneously rotate the fixed columns on both sides so that the arc plates on both sides can simultaneously press the grinding head. This solution makes it difficult to make the grinding head coaxial with the electric spindle, and the fixing method is only through pressing on both sides, which will cause deviation during use.

[0005] The technical solution adopted in the embodiments of the present application is as follows.

[0006] An electric spindle grinding head device comprises a spindle, a support member arranged on the end face of the spindle, an adjusting member rotating on the support member, a clamping member for clamping the grinding head, and a rotating member for adjusting the rotation of the adjusting member; the rotating member is rotatably connected to the support member; the clamping member rotates on the support member; and the adjusting member drives the clamping member to rotate.

[0007] As a further improvement of the above technical solution: a rack is arranged inside the adjusting member; the rack corresponds to the clamping member.

[0008] As a further improvement of the above technical solution: the clamping member includes a gear, a connecting rod arranged on the gear, and a pressing wheel rotatably arranged on the connecting rod; the gear rotates on a supporting member; the connecting rod is fixed on the gear; the rotation axis of the connecting rod is consistent with the axis of the gear; the pressing wheel is arranged at one end of the connecting rod away from the gear.

[0009] As a further improvement of the above technical solution: tooth blocks are arranged on the outer side of the adjusting member; a plurality of tooth blocks are arranged in a circumferential array; the rotating member meshes with the tooth blocks; the rotating member drives the adjusting member to rotate.

[0010] As a further improvement of the above technical solution: the rotating member is a worm.

[0011] As a further improvement of the above technical solution: a rotating groove is formed on the rotating member; the rotating groove is hexagonal.

[0012] As a further improvement of the above technical solution: a first groove is formed on the supporting member; a plurality of planes are formed on the end surface of the first groove; the diameter of each group of planes gradually increases.

[0013] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0014] 1. Since a supporting member is arranged on the end surface of the main shaft, a first groove is formed on the supporting member, the first groove is in a circular groove shape, a plurality of planes are formed on the end surface of the first groove, the planes are in a stepped shape and the diameter of each group of planes gradually increases, so as to adapt to grinding heads with different diameters. The adjusting member is rotatably connected to the end surface of the supporting member, the adjusting member is sleeved on the supporting member, a rack is arranged on the adjusting member, a gear is rotatably connected to the supporting member, a connecting rod is fixedly connected to the gear, the connecting rod rotates synchronously with the gear, a pressing wheel is rotatably connected to the end surface of the connecting rod, the gear meshes with the rack. When the adjusting member rotates, it drives the gear to rotate, so that the pressing wheel gradually approaches or moves away from the grinding head. The rotating member rotates on the supporting member, the rotating member is a worm, a rotating groove is formed on the rotating member, the rotating groove is hexagonal, the rotating groove is adapted to a hexagonal wrench, tooth blocks are arranged on the adjusting member, the tooth blocks correspond to the rotating member. When the rotating member rotates, the adjusting member rotates, and since the rotating member is a worm, it prevents the adjusting member from rotating and driving the rotating member to rotate, so as to always keep the grinding member fixed, and further realizes preventing the grinding head from shifting and making the grinding head coaxial with the electric main shaft. Description of the Drawings

[0015] Figure 1 It is a schematic structural diagram of the electric main shaft grinding head device in the present utility model.

[0016] Figure 2 This is a cross-sectional view of the electric spindle grinding head device in the present utility model.

[0017] Figure 3 This is a cross-sectional view of the electric spindle grinding head device in the present utility model.

[0018] In the figure: 1, main shaft; 2, support member; 21, first groove; 22, plane; 3, adjusting member; 31, rack; 32, tooth block; 4, clamping member; 41, gear; 42, connecting rod; 43, pressing wheel; 5, rotating member; 51, rotating groove. Detailed implementation manner

[0019] By providing an electric spindle grinding head device in the embodiments of the present application, the problem in the prior art that it is necessary to rotate the fixed columns on both sides simultaneously to press the arc-shaped plates on both sides against the grinding head at the same time is solved. This solution is difficult to make the grinding head coaxial with the electric spindle, and the fixing method only presses from both sides, which will cause deviation during use.

[0020] The technical solutions in the embodiments of the present application are to solve the above problems, and the general idea is as follows

[0021] To better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the accompanying drawings of the specification and specific implementation manners.

[0022] An electric spindle grinding head device includes a main shaft 1, a support member 2 arranged on the end face of the main shaft 1, an adjusting member 3 rotatable on the support member 2, a clamping member 4 for clamping the grinding head, and a rotating member 5 for adjusting the rotation of the adjusting member 3; the rotating member 5 is rotatably connected to the support member 2; the clamping member 4 rotates on the support member 2; the adjusting member 3 drives the clamping member 4 to rotate.

[0023] A rack 31 is arranged inside the adjusting member 3; the rack 31 corresponds to the clamping member 4.

[0024] The clamping member 4 includes a gear 41, a connecting rod 42 arranged on the gear 41, and a pressing wheel 43 rotatable on the connecting rod 42; the gear 41 rotates on the support member 2; the connecting rod 42 is fixed to the gear 41; the rotation axis of the connecting rod 42 is consistent with the axis of the gear 41; the pressing wheel 43 is arranged at one end of the connecting rod 42 away from the gear 41.

[0025] Tooth blocks 32 are arranged on the outer side of the adjusting member 3; a plurality of tooth blocks 32 are arranged in a circumferential array; the rotating member 5 meshes with the tooth blocks 32; the rotating member 5 drives the adjusting member 3 to rotate.

[0026] The rotating member 5 is a worm.

[0027] A rotating groove 51 is formed on the rotating member 5; the rotating groove 51 is hexagonal.

[0028] The support member 2 is provided with a first groove 21; a plurality of planes 22 are provided on the end surface of the first groove 21; the diameters of each group of planes 22 gradually increase.

[0029] The end surface of the main shaft 1 is provided with a support member 2. The support member 2 is provided with a first groove 21. The first groove 21 is in the shape of a circular groove. A plurality of planes 22 are provided on the end surface of the first groove 21. The planes 22 are in a stepped shape and the diameters of each group of planes 22 gradually increase, so as to adapt to grinding heads of different diameters. An adjusting member 3 is rotatably connected to the end surface of the support member 2. The adjusting member 3 is sleeved on the support member 2. A rack 31 is provided on the adjusting member 3. A gear 41 is rotatably connected to the support member 2. A connecting rod 42 is fixedly connected to the gear 41. The connecting rod 42 rotates synchronously with the gear 41. A pressing wheel 43 is rotatably connected to the end surface of the connecting rod 42. The gear 41 meshes with the rack 31. When the adjusting member 3 rotates, it drives the gear 41 to rotate, so that the pressing wheel 43 gradually approaches or moves away from the grinding head. A rotating member 5 rotates on the support member 2. The rotating member 5 is a worm. A rotating groove 51 is provided on the rotating member 5. The rotating groove 51 is hexagonal. The rotating groove 51 is adapted to a hexagon wrench. A tooth block 32 is provided on the adjusting member 3. The tooth block 32 corresponds to the rotating member 5. When the rotating member 5 is rotated, the adjusting member 3 is rotated, and the rotating member 5 is a worm, so as to prevent the adjusting member 3 from rotating and driving the rotating member 5 to rotate, so as to always keep the grinding member fixed.

[0030] Due to the fact that the end surface of the main shaft 1 is provided with a support member 2. The support member 2 is provided with a first groove 21. The first groove 21 is in the shape of a circular groove. A plurality of planes 22 are provided on the end surface of the first groove 21. The planes 22 are in a stepped shape and the diameters of each group of planes 22 gradually increase, so as to adapt to grinding heads of different diameters. An adjusting member 3 is rotatably connected to the end surface of the support member 2. The adjusting member 3 is sleeved on the support member 2. A rack 31 is provided on the adjusting member 3. A gear 41 is rotatably connected to the support member 2. A connecting rod 42 is fixedly connected to the gear 41. The connecting rod 42 rotates synchronously with the gear 41. A pressing wheel 43 is rotatably connected to the end surface of the connecting rod 42. The gear 41 meshes with the rack 31. When the adjusting member 3 rotates, it drives the gear 41 to rotate, so that the pressing wheel 43 gradually approaches or moves away from the grinding head. A rotating member 5 rotates on the support member 2. The rotating member 5 is a worm. A rotating groove 51 is provided on the rotating member 5. The rotating groove 51 is hexagonal. The rotating groove 51 is adapted to a hexagon wrench. A tooth block 32 is provided on the adjusting member 3. The tooth block 32 corresponds to the rotating member 5. When the rotating member 5 is rotated, the adjusting member 3 is rotated, and the rotating member 5 is a worm, so as to prevent the adjusting member 3 from rotating and driving the rotating member 5 to rotate, so as to always keep the grinding member fixed, thereby preventing the grinding head from shifting and making the grinding head coaxial with the electric main shaft 1.

[0031] Although the preferred embodiments of the present invention have been described, those skilled in the art can make additional changes and modifications once they know the basic creative concept. Therefore, the appended claims are intended to be construed to include the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0032] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention is also intended to include these modifications and variations. Those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention is also intended to include these modifications and variations.

[0033] The above are only the preferred embodiments of the present invention, and do not impose any formal restrictions on the present invention. Although the present invention has been disclosed above with the preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to the equivalent embodiments of the equivalent changes by using the above-disclosed technical content within the scope of the technical solution of the present invention. However, as long as it does not depart from the content of the technical solution of the present invention, any simple modification, equivalent replacement and improvement made to the above embodiments according to the technical essence of the present invention within the spirit and principle of the present invention still fall within the protection scope of the technical solution of the present invention.

[0034] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. An electric spindle grinding head device, characterized in that: The invention comprises a main shaft (1), a support member (2) arranged on the end surface of the main shaft (1), an adjusting member (3) rotating on the supporting member (2), a clamping member (4) clamping a grinding head, and a rotating member (5) adjusting the rotation of the adjusting member (3); the rotating member (5) is rotatably connected to the supporting member (2); the clamping member (4) rotates on the supporting member (2); and the adjusting member (3) drives the clamping member (4) to rotate.

2. The electric spindle grinding head device according to claim 1, characterized in that: A rack (31) is arranged inside the adjusting member (3); the rack (31) corresponds to the clamping member (4).

3. The electric spindle grinding head device according to claim 1, characterized in that: The clamping member (4) comprises a gear (41), a connecting rod (42) arranged on the gear (41) and a pressure wheel (43) rotating on the connecting rod (42); the gear (41) rotates on the support member (2); the connecting rod (42) is fixed on the gear (41); the rotation axis of the connecting rod (42) is consistent with the axis of the gear (41); the pressure wheel (43) is arranged at one end of the connecting rod (42) away from the gear (41).

4. The electric spindle grinding head device according to claim 1, characterized in that: A tooth block (32) is arranged on the outer side of the adjusting member (3); a plurality of tooth blocks (32) are arranged in a circumferential array; the rotating member (5) engages with the tooth block (32); and the rotating member (5) drives the adjusting member (3) to rotate.

5. The electric spindle grinding head device according to claim 1, characterized in that: The rotating member (5) is a worm.

6. The electric spindle grinding head device according to claim 1, characterized in that: The rotating member (5) is provided with a rotating groove (51); the rotating groove (51) is hexagonal.

7. The electric spindle grinding head device according to claim 1, characterized in that: The support member (2) is provided with a first groove (21); a plurality of planes (22) are provided on the end surface of the first groove (21); and the diameter of each group of the planes (22) gradually increases.

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