Precision machining device for inner wall of deep hole part

Abstract

The utility model discloses a deep hole part inner wall precision machining device which comprises a multi-station deep hole grinding structure, a rotating transposition assembly is fixedly installed on the outer surface of the lower end of the multi-station deep hole grinding structure, and the multi-station deep hole grinding structure comprises a regular hexagon frame, a second motor, a rotating shaft, a grinding roller and a regular hexagon supporting block. The rotating transposition assembly comprises a base plate, a transmission box, a first motor, a cover plate, a supporting frame, a first driven shaft, a connecting block, a holder, a first bevel gear, a second driven shaft and a second bevel gear. According to the precise machining device for the inner wall of the deep-hole part, the multi-station deep-hole grinding structure is arranged, six types of grinding rollers are installed in the multi-station deep-hole grinding structure, selection can be conveniently carried out according to needs, the applicability is improved, the workpiece machining efficiency is improved, and the machining cost is reduced. And the multi-station deep hole polishing structure is conveniently driven to rotate through the arranged rotating transposition assembly, the position of the polishing roller is conveniently switched, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of workpiece grinding, in particular to a precision machining device for the inner wall of deep-hole parts. Background Technique

[0002] The functions of grinding the inside of parts mainly include removing burrs, debris, particles, roughness and unevenness, enhancing layer adhesion, and improving dimensional accuracy and surface quality.

[0003] In the prior art, in a Chinese patent document with the authorization announcement number CN214642294U, there is described an inner wall grinding device for deep-hole precision parts. This patent includes a support sleeve rod, a longitudinal moving plate, an electric telescopic rod, a transverse moving seat, a guide rail plate, and a guide rod. The guide rail plate is attached to the left side of the upper end surface of the operating table. The transverse moving seat is arranged at the middle position of the lower end surface of the guide rail plate. Guide rods are symmetrically inserted through the front and rear sides inside the transverse moving seat. The electric telescopic rod is assembled at the middle position of the left end surface of the transverse moving seat. The longitudinal moving plate is attached to the upper end surface of the guide rail plate. The support sleeve rod is welded at the middle position of the upper end surface of the longitudinal moving plate.

[0004] It only has a grinding head of one size. According to workpieces of different models, different grinding heads need to be replaced. However, it is necessary to disassemble the original grinding head and then install a grinding head of other models, which reduces the processing efficiency.

[0005] Therefore, we propose a precision machining device for the inner wall of deep-hole parts. Content of the Utility Model

[0006] (1) Technical Problems to be Solved

[0007] Aiming at the deficiencies of the prior art, the utility model provides a precision machining device for the inner wall of deep-hole parts, which has six types of grinding rollers, improves applicability, improves processing efficiency, etc., and can effectively solve the problems in the background technique.

[0008] (2) Technical Solution

[0009] To achieve the above object, the technical solution adopted by the utility model is: a precision machining device for the inner wall of deep-hole parts, including a multi-station deep-hole grinding structure. A rotation and displacement component is fixedly installed on the lower outer surface of the multi-station deep-hole grinding structure. The multi-station deep-hole grinding structure includes a regular hexagon frame, a second motor, a rotating shaft, grinding rollers, and a regular hexagon support block. And the rotation and displacement component includes a substrate, a transmission box, a first motor, a cover plate, a support frame, a first driven shaft, a connecting block, a cage, a first bevel gear, a second driven shaft, and a second bevel gear. And the connecting block is fixedly installed between the middle of the lower outer surface of the regular hexagon frame and the upper outer surface of the first driven shaft. The regular hexagon support block is fixedly installed in the middle of the inner cavity of the regular hexagon frame.

[0010] Preferably, the number of the second motors, the rotating shafts and the grinding rollers is six. The six second motors are fixedly installed between the outer wall of the regular hexagon support block and the inner wall of the regular hexagon frame. The rotating shafts are connected to the outer surface of one end of the second motors, and the grinding rollers are fixedly installed on the outer wall of the end of the rotating shafts far from the second motors.

[0011] Preferably, a sealed bearing is arranged between the rotating shaft and the regular hexagon frame. The rotating shaft is rotationally connected to the regular hexagon frame through the sealed bearing. A coupling is arranged between the rotating shaft and the second motor. The outer surface of one end of the rotating shaft is fixedly connected to the outer surface of one end of the output shaft in the second motor through the coupling.

[0012] Preferably, the transmission case is fixedly installed in the middle of the upper outer surface of the substrate. The cover plate is fixedly installed on the upper outer surface of the transmission case. The support frame is fixedly installed on the upper outer surface of the cover plate. The first driven shaft penetrates through the support frame and extends into the interior of the transmission case. The first motor is fixedly installed at the lower part of the outer surface of one side of the transmission case. The second bevel gear, the cage and the first bevel gear are all located inside the transmission case.

[0013] Preferably, the first bevel gear is fixedly installed on the outer surface of the lower end of the first driven shaft. The cage is fixedly installed on the upper part of the inner cavity of the transmission case. The second bevel gear is located on the outer surface of one side of the first bevel gear. The second bevel gear is fixedly installed on the outer wall of one end of the second driven shaft. The outer surface of one end of the second driven shaft is connected to the first motor. A coupling is arranged between the second driven shaft and the first motor. The outer surface of one end of the second driven shaft is fixedly connected to the outer surface of one end of the output shaft in the first motor through the coupling.

[0014] Preferably, the outer surface of one side of the second bevel gear meshes with the outer surface of one side of the first bevel gear. A sealed bearing is arranged between the second driven shaft and the transmission case. The second driven shaft is rotationally connected to the transmission case through the sealed bearing. Sealed bearings are arranged between the first driven shaft and the cover plate and the cage respectively. The first driven shaft is rotationally connected to the cover plate and the cage through the sealed bearings. A sealed bearing is arranged between the first driven shaft and the support frame. The first driven shaft is rotationally connected to the support frame through the sealed bearing.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the present utility model provides a precise machining device for the inner wall of deep-hole parts, having the following beneficial effects:

[0017] 1. The precision machining device for the inner wall of deep-hole parts is provided with a multi-station deep-hole grinding structure. Six types of grinding rollers are installed in the multi-station deep-hole grinding structure, which is convenient for selection according to needs, improves applicability, and enhances the machining efficiency of workpieces.

[0018] 2. The precision machining device for the inner wall of deep-hole parts is provided with a rotation and position conversion component, which is convenient for driving the multi-station deep-hole grinding structure to rotate, facilitating the switching of the positions of the grinding rollers and making it easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the precision machining device for the inner wall of deep-hole parts of the present utility model.

[0020] Figure 2 It is a schematic diagram of the structure of the rotation and position conversion component in the precision machining device for the inner wall of deep-hole parts of the present utility model.

[0021] Figure 3 It is a side sectional view of the transmission box in the precision machining device for the inner wall of deep-hole parts of the present utility model.

[0022] Figure 4 It is a top sectional view of the multi-station deep-hole grinding structure in the precision machining device for the inner wall of deep-hole parts of the present utility model.

[0023] In the figure: 1. Multi-station deep-hole grinding structure; 2. Rotation and position conversion component; 3. Substrate; 4. Transmission box; 5. First motor; 6. Cover plate; 7. Support frame; 8. First driven shaft; 9. Connecting block; 10. Cage; 11. First bevel gear; 12. Second driven shaft; 13. Second bevel gear; 14. Regular hexagon frame; 15. Second motor; 16. Rotating shaft; 17. Grinding roller; 18. Regular hexagon support block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] This embodiment is a precision machining device for the inner wall of deep-hole parts.

[0026] As Figures 1-4As shown in the figure, it includes a multi-station deep-hole grinding structure 1. A rotation and displacement component 2 is fixedly installed on the outer surface of the lower end of the multi-station deep-hole grinding structure 1. The multi-station deep-hole grinding structure 1 includes a regular hexagon frame 14, a second motor 15, a rotating shaft 16, a grinding roller 17 and a regular hexagon support block 18. The rotation and displacement component 2 includes a substrate 3, a transmission box 4, a first motor 5, a cover plate 6, a support frame 7, a first driven shaft 8, a connecting block 9, a cage 10, a first bevel gear 11, a second driven shaft 12 and a second bevel gear 13. The connecting block 9 is fixedly installed between the middle of the outer surface of the lower end of the regular hexagon frame 14 and the outer surface of the upper end of the first driven shaft 8. The regular hexagon support block 18 is fixedly installed in the middle of the inner cavity of the regular hexagon frame 14.

[0027] The number of the second motors 15, the rotating shafts 16 and the grinding rollers 17 is six groups. The six groups of second motors 15 are fixedly installed between the outer wall of the regular hexagon support block 18 and the inner wall of the regular hexagon frame 14. The rotating shaft 16 is connected to the outer surface of one end of the second motor 15. The grinding roller 17 is fixedly installed on the outer wall of the end of the rotating shaft 16 far from the second motor 15. A sealing bearing is arranged between the rotating shaft 16 and the regular hexagon frame 14. The rotating shaft 16 is rotationally connected to the regular hexagon frame 14 through the sealing bearing. A coupling is arranged between the rotating shaft 16 and the second motor 15. The outer surface of one end of the rotating shaft 16 is fixedly connected to the outer surface of the output shaft of the second motor 15 through the coupling. The transmission box 4 is fixedly installed in the middle of the upper outer surface of the substrate 3. The cover plate 6 is fixedly installed on the upper outer surface of the transmission box 4. The support frame 7 is fixedly installed on the upper outer surface of the cover plate 6. The first driven shaft 8 penetrates through the support frame 7 and extends into the interior of the transmission box 4. The first motor 5 is fixedly installed at the lower part of the outer surface of one side of the transmission box 4. The second bevel gear 13, the cage 10 and the first bevel gear 11 are all located inside the transmission box 4. The first bevel gear 11 is fixedly installed on the outer surface of the lower end of the first driven shaft 8. The cage 10 is fixedly installed in the upper part of the inner cavity of the transmission box 4. The second bevel gear 13 is located on the outer surface of one side of the first bevel gear 11. The second bevel gear 13 is fixedly installed on the outer wall of one end of the second driven shaft 12. The outer surface of one end of the second driven shaft 12 is connected to the first motor 5. A coupling is arranged between the second driven shaft 12 and the first motor 5. The outer surface of one end of the second driven shaft 12 is fixedly connected to the outer surface of the output shaft of the first motor 5 through the coupling. The outer surface of one side of the second bevel gear 13 meshes with the outer surface of one side of the first bevel gear 11. A sealing bearing is arranged between the second driven shaft 12 and the transmission box 4. The second driven shaft 12 is rotationally connected to the transmission box 4 through the sealing bearing. Sealing bearings are arranged between the first driven shaft 8 and the cover plate 6 and the cage 10 respectively. The first driven shaft 8 is rotationally connected to the cover plate 6 and the cage 10 through the sealing bearings. A sealing bearing is arranged between the first driven shaft 8 and the support frame 7. The first driven shaft 8 is rotationally connected to the support frame 7 through the sealing bearing.

[0028] It should be noted that the present utility model is a precision machining device for the inner wall of deep-hole parts. A multi-station deep-hole grinding structure 1 is provided. In the multi-station deep-hole grinding structure 1, six groups of second motors 15, rotating shafts 16 and grinding rollers 17 are provided. The rotation of the grinding rollers 17 can be driven by the operation of the second motors 15 to realize the grinding of the inner wall of the parts. Six types of grinding rollers 17 are provided, which is convenient for selection according to needs, improves applicability and the machining efficiency of workpieces. A rotation and position-changing assembly 2 is provided. The rotation of the second driven shaft 12 is driven by the operation of the first motor 5. The second driven shaft 12 drives the second bevel gear 13 to rotate. The second bevel gear 13 meshes with the first bevel gear 11. The second bevel gear 13 drives the first driven shaft 8 to rotate through the first bevel gear 11. The first driven shaft 8 can drive the multi-station deep-hole grinding structure 1 to rotate, so as to realize the position change of the grinding rollers 17 in the multi-station deep-hole grinding structure 1, which is convenient for switching the required grinding rollers 17 according to needs and is convenient for use.

[0029] It should be noted that in this article, relational terms such as first and second (No. 1, No. 2) are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the phrase "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0030] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. A device for precision machining the inner wall of a deep hole part, comprising a multi-station deep hole grinding structure (1), characterized in that: A rotation transposition assembly (2) is fixedly mounted on the outer surface of the lower end of the multi-station deep hole grinding structure (1), the multi-station deep hole grinding structure (1) comprises a regular hexagonal frame (14), a second motor (15), a rotating shaft (16), a grinding roller (17) and a regular hexagonal support block (18), and the rotation transposition assembly (2) comprises a base plate (3), a transmission box (4), a first motor (5), a cover plate (6), a support frame (7), a first driven shaft (8), a connecting block (9), a retaining frame (10), a first bevel gear (11), a second driven shaft (12) and a second bevel gear (13), and the connecting block (9) is fixedly mounted between the middle part of the outer surface of the lower end of the regular hexagonal frame (14) and the outer surface of the upper end of the first driven shaft (8), and the regular hexagonal support block (18) is fixedly mounted in the middle part of the inner cavity of the regular hexagonal frame (14).

2. A device for precision machining inner wall of deep hole parts according to claim 1, characterized in that: The number of the second motor (15), the rotating shaft (16) and the grinding roller (17) is six sets. The six sets of the second motor (15) are fixedly mounted between the outer wall of the regular hexagonal support block (18) and the inner wall of the regular hexagonal frame (14). The rotating shaft (16) is connected to the outer surface of one end of the second motor (15). The grinding roller (17) is fixedly mounted on the outer wall of the rotating shaft (16) away from the second motor (15).

3. A device for precision machining inner wall of deep hole parts according to claim 2, characterized in that: A sealed bearing is provided between the rotating shaft (16) and the regular hexagonal frame (14), the rotating shaft (16) is rotatably connected to the regular hexagonal frame (14) via the sealed bearing, a coupling is provided between the rotating shaft (16) and the second motor (15), and an outer surface of one end of the rotating shaft (16) is fixedly connected to an outer surface of one end of an output shaft in the second motor (15) via the coupling.

4. A device for precision machining inner wall of deep hole parts according to claim 3, characterized in that: The transmission box (4) is fixedly mounted on the middle part of the upper outer surface of the base plate (3); the cover plate (6) is fixedly mounted on the upper outer surface of the transmission box (4); the support frame (7) is fixedly mounted on the upper outer surface of the cover plate (6); the first driven shaft (8) penetrates the support frame (7) and extends into the interior of the transmission box (4); the first motor (5) is fixedly mounted on the lower part of the outer surface of one side of the transmission box (4); and the second bevel gear (13), the retaining frame (10) and the first bevel gear (11) are all located inside the transmission box (4).

5. A device for precision machining inner wall of deep hole parts according to claim 4, characterized in that: The first bevel gear (11) is fixedly mounted on the outer surface of the lower end of the first driven shaft (8); the retaining frame (10) is fixedly mounted on the upper part of the inner cavity of the transmission box (4); the second bevel gear (13) is located on the outer surface of one side of the first bevel gear (11); the second bevel gear (13) is fixedly mounted on the outer wall of one end of the second driven shaft (12); the outer surface of one end of the second driven shaft (12) is connected to the first motor (5); a coupling is provided between the second driven shaft (12) and the first motor (5); the outer surface of one end of the second driven shaft (12) is fixedly connected to the outer surface of one end of the output shaft of the first motor (5) through the coupling.

6. The device for precision machining inner wall of deep hole parts according to claim 5, characterized in that: An outer surface of one side of the second bevel gear (13) meshes with an outer surface of one side of the first bevel gear (11); a sealed bearing is provided between the second driven shaft (12) and the transmission box (4); the second driven shaft (12) is rotationally connected to the transmission box (4) via the sealed bearing; sealed bearings are provided between the first driven shaft (8) and the cover plate (6) and the retaining frame (10); the first driven shaft (8) is rotationally connected to the cover plate (6) and the retaining frame (10) via the sealed bearing; a sealed bearing is provided between the first driven shaft (8) and the support frame (7); the first driven shaft (8) is rotationally connected to the support frame (7) via the sealed bearing.

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