Lengthened grinding rod of deep hole grinding head

Abstract

The utility model relates to the field of machining, in particular to a deep hole grinding head lengthened grinding rod which comprises a grinding rod assembly, the grinding rod assembly comprises an inner rod, a threaded sleeve head, an output inner shaft, a grinding head sleeve, a threaded hole, a limiting bolt and an outer pipe, the inner rod is connected in front of the outer pipe, the threaded sleeve head is fixed at the front end of the inner rod, and the output inner shaft is arranged at the front end of the threaded sleeve head. And the output inner shaft is fixedly connected with an output shaft of the servo motor. When the grinding rod is used, the mode that the inner rod is connected with the outer pipe and the output shaft of the servo motor is connected through the output inner shaft is adopted, a traditional grinding rod is modified, the length is increased, stable connection is achieved through multiple bearings, vibration in the rotating grinding process is reduced, and therefore stability in the grinding process and corresponding grinding precision are guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of mechanical processing, in particular to a deep hole grinding head and a lengthened grinding rod. Background Art

[0002] In the process of deep hole processing, when grinding the inner wall of a long inner hole, traditional grinders and lathes cannot provide a long grinding distance. The grinding length of the inner hole of a general grinder is about 30 cm, and the grinding accuracy and stability are limited. Therefore, those skilled in the art provide a deep hole grinding head with a lengthened grinding rod to solve the problems raised in the above background technology. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a deep hole grinding head and an extended grinding rod, including a grinding rod assembly, the grinding rod assembly including an inner rod, a threaded sleeve, an output inner shaft, a grinding head sleeve, a threaded hole, a limit bolt and an outer tube, the outer tube is connected to the inner rod in front, the threaded sleeve is fixed at the front end of the inner rod, the output inner shaft is arranged at the front end of the threaded sleeve, the output inner shaft is fixedly connected to the output shaft of the servo motor, a plurality of bearings are arranged at the connection between the outer tube, the inner rod and the internal part of the output inner shaft, so that when the servo motor is driven, the accurate rotation of the output inner shaft is ensured, and the grinding stability is increased, the limit bolt of the output inner shaft is provided with a grinding head sleeve, a threaded hole is opened in the middle part of the front end face of the output inner shaft, a limit bolt is built in the threaded hole, and the limit bolt is used to prevent the grinding head sleeve from slipping out of the output inner shaft during the grinding process.

[0004] Preferably, a servo motor is fixedly mounted on the rear end of the grinding rod assembly, and the servo motor is externally connected to a drive connector.

[0005] Preferably: the front end limit sleeve of the grinding rod assembly is provided with a stabilizing device, the stabilizing device includes a stabilizing base, an arc-shaped piece, an arc-shaped clip strip, an annular piece, an arc-shaped clip groove, a threaded groove, a sliding support, a limit sliding groove, a bolt hole, a support plate, a limit clip strip, a fixed bolt hole and a limit sleeve plate; the arc-shaped piece is fixedly installed on the upper end of the stabilizing base, an arc-shaped clip strip is fixedly installed in the middle of the inner side surface of the arc-shaped piece, an annular piece is arranged in the middle of the arc-shaped piece, an arc-shaped clip groove is opened in the middle of the outer wall surface of the annular piece, the arc-shaped clip groove and the arc-shaped clip strip are arranged to slide correspondingly, and a limit sleeve plate is symmetrically arranged on the upper end surface of the front side of the support plate.

[0006] Preferably, a thread groove is arranged in the annular member, and the thread groove is arranged corresponding to the threaded sleeve.

[0007] Preferably, a sliding support is fixedly installed at the front end of the stable base, a limiting sliding groove is provided on the upper end surface of the sliding support, and a plurality of bolt holes are provided at the bottom of the limiting sliding groove.

[0008] Preferably: a support plate is provided in the sliding support, and limit strips are symmetrically installed on the left and right sides of the support plate. The limit strips slide correspondingly with the limit slide grooves, and a plurality of fixed bolt holes are opened on the support plate. The bolt holes are connected with the fixed bolt holes by using fixed bolts, so as to control the telescopic length of the support plate, so that the limit sleeve limits the grinding head sleeve, ensuring that the grinding head sleeve will not slide or deviate during the grinding and rotation process.

[0009] Technical effects and advantages of the utility model:

[0010] 1. When the utility model is used, the inner rod and the outer tube are connected, and the output inner shaft is used to connect the output shaft of the servo motor. The traditional grinding rod is modified to increase the length, and multiple bearings are used for stable connection, which reduces the vibration during the rotation grinding process, thereby ensuring the stability of the grinding process and the corresponding grinding accuracy.

[0011] 2. When the utility model is used, the threaded groove on the inner side of the annular member cooperates with the threaded sleeve, so that the annular member drives the stable base to slide on the threaded sleeve in a directional manner, and cooperates with the fixing bolt to make the bolt hole and the fixed bolt hole dock, thereby controlling the telescopic length of the support plate, so that the limiting sleeve limits the grinding head sleeve, ensuring that the grinding head sleeve will not slide or deviate during the grinding and rotation process, thereby enhancing the stability during the grinding process and reducing the vibration during the grinding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure provided by this application;

[0013] Figure 2 It is a structural schematic diagram of the grinding rod assembly provided by the present application;

[0014] Figure 3 It is a schematic diagram of the structure of the stabilizing device provided by the present application;

[0015] In the figure: 1. Grinding rod assembly; 2. Servo motor; 3. Drive joint; 4. Stabilizing device;

[0016] 11. Inner rod; 12. Threaded sleeve; 13. Output inner shaft; 14. Grinding sleeve; 15. Threaded hole; 16. Limit bolt; 17. Outer tube;

[0017] 41. Stable base; 42. Arc-shaped member; 43. Arc-shaped clip strip; 44. Ring member; 45. Arc-shaped slot; 46. Threaded slot; 47. Sliding support; 48. Limiting slot; 49. Bolt hole; 410. Support plate; 411. Limiting clip strip; 412. Fixed bolt hole; 413. Limiting sleeve. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.

[0019] See also Figures 1 to 3 In this embodiment, a deep hole grinding head and a lengthened grinding rod are provided, including a grinding rod assembly 1, a servo motor 2 is fixedly installed at the rear end of the grinding rod assembly 1, the servo motor 2 is externally connected to a drive joint 3, and a stabilizing device 4 is provided at the front end limit sleeve of the grinding rod assembly 1;

[0020] The grinding rod assembly 1 includes an inner rod 11, a threaded sleeve 12, an output inner shaft 13, a grinding head sleeve 14, a threaded hole 15, a limit bolt 16 and an outer tube 17. The outer tube 17 is connected to the inner rod 11 in front. The threaded sleeve 12 is fixed at the front end of the inner rod 11. The output inner shaft 13 is fixedly connected to the output shaft of the servo motor 2. A plurality of bearings are arranged at the inner connection of the outer tube 17, the inner rod 11 and the output inner shaft 13, so that when the servo motor 2 is driven, the output inner shaft 13 can be accurately rotated and the grinding can be stabilized. The upper limit sleeve of the output inner shaft 13 is provided with a grinding head sleeve 14. A threaded hole 15 is arranged in the middle of the front end face of the output inner shaft 13. The threaded hole 15 has a limit bolt 16 built in it. The limit bolt 16 is used to prevent the grinding head sleeve 14 from slipping out of the output inner shaft 13 during the grinding process.

[0021] The stabilizing device 4 comprises a stabilizing base 41, an arc-shaped piece 42, an arc-shaped clip strip 43, an annular piece 44, an arc-shaped clip groove 45, a threaded groove 46, a sliding support 47, a limiting slide groove 48, a bolt hole 49, a support plate 410, a limiting clip strip 411, a fixed bolt hole 412 and a limiting sleeve plate 413. The arc-shaped piece 42 is fixedly installed on the upper end of the stabilizing base 41, and an arc-shaped clip strip 43 is fixedly installed in the middle of the inner side surface of the arc-shaped piece 42. An annular piece 44 is arranged in the middle of the arc-shaped piece 42, and an arc-shaped clip groove 45 is opened in the middle of the outer wall surface of the annular piece 44. The arc-shaped clip groove 45 is arranged to slide corresponding to the arc-shaped clip strip 43. A threaded groove 46 is arranged in the annular piece 44, and the threaded groove 46 is arranged corresponding to the threaded sleeve 12. The front end of the stabilizing base 41 A sliding support 47 is fixedly installed, and a limiting slide groove 48 is provided on the upper end surface of the sliding support 47. A plurality of bolt holes 49 are provided at the bottom of the limiting slide groove 48. A support plate 410 is provided in the sliding support 47. Limiting clips 411 are symmetrically installed on the left and right sides of the support plate 410. The limiting clips 411 slide correspondingly with the limiting slide groove 48. A plurality of fixed bolt holes 412 are provided on the support plate 410. A limiting sleeve 413 is symmetrically provided on the upper end surface of the front side of the support plate 410. The bolt hole 49 is connected to the fixed bolt hole 412 by a fixing bolt, so as to control the telescopic length of the support plate 410, so that the limiting sleeve 413 limits the grinding head sleeve 14 to ensure that the grinding head sleeve 14 will not slide or deviate during the grinding and rotation process.

[0022] The working principle of the utility model is:

[0023] When the utility model is used, the inner rod 11 and the outer tube 17 are connected, and the output inner shaft 13 is used to connect the output shaft of the servo motor 2. The traditional grinding rod is modified to increase the length, and multiple bearings are used for stable connection, thereby reducing the vibration during the rotational grinding process, thereby ensuring the stability of the grinding process and the corresponding grinding accuracy. At the same time, through the threaded cooperation between the inner thread groove 46 of the annular member 44 and the threaded sleeve 12, the annular member 44 drives the stable base 41 to slide on the threaded sleeve 12 in a directional manner, and cooperates with the fixing bolt to make the bolt hole 49 dock with the fixed bolt hole 412, thereby controlling the telescopic length of the support plate 410, so that the limiting sleeve plate 413 limits the grinding head sleeve 14, ensuring that the grinding head sleeve 14 will not slide or deviate during the grinding rotation process, thereby enhancing the stability of the grinding process and reducing the vibration during the grinding process.

[0024] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A deep hole grinding head with an extended grinding rod, comprising a grinding rod assembly (1), characterized in that: The grinding rod assembly (1) comprises an inner rod (11), a threaded sleeve (12), an output inner shaft (13), a grinding head sleeve (14), a threaded hole (15), a stop bolt (16) and an outer tube (17); the outer tube (17) is connected to the inner rod (11) in front; the threaded sleeve (12) is fixed at the front end of the inner rod (11); the output inner shaft (13) is arranged at the front end of the threaded sleeve (12); the output inner shaft (13) is fixedly connected to the output shaft of the servo motor (2); a plurality of bearings are arranged at the internal connection of the outer tube (17), the inner rod (11) and the output inner shaft (13); the upper limit sleeve of the output inner shaft (13) is provided with a grinding head sleeve (14); a threaded hole (15) is arranged in the middle of the front end surface of the output inner shaft (13); and the stop bolt (16) is arranged in the threaded hole (15).

2. The deep hole grinding head and lengthened grinding rod according to claim 1, characterized in that: A servo motor (2) is fixedly mounted on the rear end of the grinding rod assembly (1), and the servo motor (2) is externally connected to a drive connector (3).

3. The deep hole grinding head and lengthened grinding rod according to claim 2, characterized in that: The front end limit sleeve of the grinding rod assembly (1) is provided with a stabilizing device (4), and the stabilizing device (4) comprises a stabilizing base (41), an arc-shaped member (42), an arc-shaped clamping strip (43), an annular member (44), an arc-shaped clamping groove (45), a threaded groove (46), a sliding support (47), a limit sliding groove (48), a bolt hole (49), a support plate (410), a limit clamping strip (411), a fixed bolt hole (412) and a limit sleeve plate (413). The upper end of the stabilizing base (41) is fixedly mounted with the arc-shaped member (42), the middle part of the inner side surface of the arc-shaped member (42) is fixedly mounted with the arc-shaped clamping strip (43), the middle part of the arc-shaped member (42) is provided with an annular member (44), the middle part of the outer wall surface of the annular member (44) is provided with an arc-shaped clamping groove (45), the arc-shaped clamping groove (45) and the arc-shaped clamping strip (43) are provided to slide correspondingly, and the limit sleeve plate (413) is symmetrically arranged on the upper end surface of the front side of the support plate (410).

4. The deep hole grinding head and lengthened grinding rod according to claim 3, characterized in that: A thread groove (46) is arranged in the annular member (44), and the thread groove (46) is arranged corresponding to the threaded sleeve (12).

5. The deep hole grinding head and lengthened grinding rod according to claim 3, characterized in that: A sliding support (47) is fixedly mounted on the front end of the stable base (41), a limiting sliding groove (48) is provided on the upper end surface of the sliding support (47), and a plurality of bolt holes (49) are provided at the bottom of the limiting sliding groove (48).

6. The deep hole grinding head and lengthened grinding rod according to claim 5, characterized in that: A support plate (410) is arranged inside the sliding support (47), and limit clamping strips (411) are symmetrically installed on the left and right sides of the support plate (410). The limit clamping strips (411) slide correspondingly with the limit sliding grooves (48), and a plurality of fixed bolt holes (412) are opened on the support plate (410).

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