CN220993855U

CN220993855U - Gear end face polishing device

Info

Publication number: CN220993855U
Application number: CN202322923245.9U
Authority: CN
Inventors: 刘光涛; 汪胜淋; 王勇力; 李春江; 宋光伟
Original assignee: Chongqing Wangdefu Machinery Co ltd
Current assignee: Chongqing Wangdefu Machinery Co ltd
Priority date: 2023-10-30
Filing date: 2023-10-30
Publication date: 2024-05-24
Anticipated expiration: 2033-10-30

Abstract

The utility model discloses a workbench, which comprises a workbench, wherein the upper end face of the workbench is provided with a fixing assembly for fixing a gear, the side edge of the workbench is provided with a lifting assembly, and the lifting assembly is connected with a polishing assembly for polishing the end face of the gear; the fixing assembly comprises a placing frame arranged on the upper end face of the workbench, a positioning column is arranged at the center of the placing frame, a plurality of hydraulic rods facing the center of the placing frame are arranged on the inner wall of the placing frame, and clamping blocks used for being matched with external teeth of the gear are arranged on the hydraulic rods. According to the utility model, the gear is fixed in the placing frame through the clamping block, so that the gear can be effectively prevented from moving during polishing, and further polishing precision and effect are affected.

Description

Gear end face polishing device

Technical Field

The utility model relates to the technical field of gear machining, in particular to a gear end face polishing device.

Background

The gear means a mechanical element on the rim, which is continuously engaged with the gear to transmit motion and power. The use of gears in transmissions has long emerged. At the end of the 19 th century, the principle of generating tooth cutting method and the sequential appearance of special machine tools and cutters for cutting teeth by using the principle are emphasized, and with the development of production, the stability of gear operation is important.

The gear processing utilizes the mechanical method to obtain the technological process of gear specific structure and precision, need grind the gear terminal surface when gear processing, and current gear is when grinding, is usually artifical to be placed the gear on grinding the device, grinds the single face of gear through rotatory platform of polishing, but produces rocking easily when the platform of polishing grinds the gear plate, has led to fluted disc roughness of polishing relatively poor, influences the precision of polishing of gear, and then produces unqualified product, need improve this.

Disclosure of utility model

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the gear end face polishing device comprises a workbench, wherein a fixing assembly used for fixing a gear is arranged on the upper end face of the workbench, a lifting assembly is arranged on the side edge of the workbench, and a polishing assembly used for polishing the gear end face is connected to the lifting assembly;

The fixing assembly comprises a placing frame arranged on the upper end face of the workbench, a positioning column is arranged at the center of the placing frame, a plurality of hydraulic rods facing the center of the placing frame are arranged on the inner wall of the placing frame, and clamping blocks used for being matched with external teeth of the gear are arranged on the hydraulic rods.

Further, the polishing assembly comprises a first driving motor, a polishing disc and a telescopic cylinder, wherein the telescopic cylinder is transversely and fixedly connected to the lifting assembly, the first driving motor is fixedly installed at the telescopic end of the telescopic cylinder, the driving shaft of the first driving motor is vertically downward and located at the upper end of the workbench, and the polishing disc is installed on the driving shaft.

Further, the lifting assembly comprises a support column, the support column is vertically arranged on one side edge of the workbench, a vertical chute is formed in the support column, an installation seat is connected with the support column in a sliding mode through the chute, and the installation seat is connected with the fixed end of the telescopic cylinder.

Further, the upper end of support column and be close to lower extreme department and all be provided with the bearing frame, the second driving motor is installed to the lower extreme of support column, fixedly connected with lead screw in the drive shaft of second driving motor, and the lead screw passes bearing frame, mount pad and the bearing frame of support column upper end that is close to support column lower extreme department in proper order and be connected with the bearing on the bearing frame and with mount pad threaded connection.

Further, the clamping block is an arc-shaped block, the outer wall of the clamping block is fixedly connected with the hydraulic rod, and the inner wall of the clamping block is provided with fixed saw teeth which are matched with the gear and used for fixing the gear.

Further, the first driving motor is provided with a protective cover, and the polishing disc is sleeved inside the protective cover.

Further, the protective cover is provided with a spray head, and the spray head is connected with a cooling box through a connecting pipe and a pressure pump.

Compared with the prior art, the utility model has the advantages that:

The gear is fixed in the placing frame through the clamping block, so that the gear can be effectively prevented from moving during polishing, and polishing precision and effect are further affected.

The height of the polishing assembly can be adjusted through the mounting seat which is connected to the support column in a sliding manner, when the gear needs to be turned over, the polishing assembly is lifted, an operation space is provided for operators, and meanwhile the operators can be prevented from touching the polishing assembly by mistake.

Can effectually stop the flying dust of polishing through the protection casing, avoid flying dust to cause the injury to operating personnel, the coolant liquid in the cooling tank 18 is spouted to the gear through shower nozzle 15 to pressure pump 17, reduces the temperature when the gear polishes, avoids gear annealing hardness to reduce.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the connection of the support post to the mount of the present utility model;

Fig. 3 is an enlarged view of a portion a in fig. 1.

In the figure: 1. a work table; 2. a support column; 201. a chute; 3. a mounting base; 4. a bearing seat; 5. a second driving motor; 6. a screw rod; 7. a first driving motor; 8. polishing the grinding disc; 9. a telescopic cylinder; 10. placing a frame; 11. positioning columns; 12. a hydraulic rod; 13. a clamping block; 14. a protective cover; 15. a spray head; 16. a connecting pipe; 17. a pressure pump; 18. and a cooling box.

Detailed Description

The present utility model will be further described below.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, based on the embodiments of the application, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the application.

Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, based on the embodiments of the application, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the application.

Please refer to fig. 1-3

The gear end face polishing device comprises a workbench 1, wherein a fixing component for fixing a gear is arranged on the upper end face of the workbench 1, a lifting component is arranged on the side edge of the workbench 1, and a polishing component for polishing the gear end face is connected to the lifting component;

The fixed subassembly, including setting up the frame 10 of placing at workstation 1 up end, the center department of placing frame 10 is provided with reference column 11, the inner wall of placing frame 10 is provided with a plurality of hydraulic levers 12 towards its center department, be equipped with on the hydraulic levers 12 be used for with gear external tooth complex clamp block 13, clamp block 13 is the arc piece, its outer wall and hydraulic levers 12 fixed connection, the fixed sawtooth that is used for fixed gear with the gear adaptation has been seted up to the inner wall.

Working principle:

When the gear polishing device is used, firstly, a gear to be polished is placed in a placement frame 10, meanwhile, an opening in the center of the gear is aligned to a positioning column 11, quick and accurate installation of the gear on the placement frame 10 is realized through the positioning column 11, at the moment, the hydraulic rods 12 are in a contracted state, then the hydraulic rods 12 are started, in the embodiment, the hydraulic rods 12 are preferably four, the four hydraulic rods 12 drive clamping blocks 13 to stretch towards the axis of the gear, fixed saw teeth on the clamping blocks 13 are clamped with teeth on the circumference of the gear, then a polishing assembly moves downwards to polish the end face of the gear under the drive of a lifting assembly, and the height of the placement frame 10 is smaller than the thickness of the gear, namely, when the gear is placed in the placement frame 10, the upper end face of the gear can extend out of the placement frame 10 to facilitate polishing of the polishing assembly, and when the polishing assembly polishes, the gear is fixed in the placement frame 10 through the four clamping blocks 13, so that the gear can be effectively prevented from moving during polishing, and further polishing precision and effect are affected; when one end face of the gear is polished, the hydraulic rod 12 is contracted, and the gear is turned over to polish the other end face.

Specifically, in this embodiment, the polishing assembly includes a first driving motor 7, a polishing disc 8 and a telescopic cylinder 9, the telescopic cylinder 9 is transversely and fixedly connected to the lifting assembly, the first driving motor 7 is fixedly mounted on the telescopic end of the telescopic cylinder 9, the driving shaft of the first driving motor 7 is vertically downward and is located at the upper end of the workbench 1, and the polishing disc 8 is mounted on the driving shaft.

Further, the telescopic cylinder 9 transversely stretches, the transverse positions of the first driving motor 7 and the polishing disc 8 can be adjusted in real time, and the polishing disc 8 can be matched with a gear better to finish end face polishing.

Specifically, in this embodiment, the lifting assembly includes a support column 2, the support column 2 is vertically disposed at a side edge of the workbench 1, a vertical chute 201 is formed on the support column 2, and an installation seat 3 is slidably connected through the chute 201, and the installation seat 3 is connected with a fixed end of the telescopic cylinder 9.

Further, the height of the polishing assembly can be adjusted through the mounting seat 3 which is connected to the support column 2 in a sliding manner, when the gear needs to be overturned, the polishing assembly is lifted, an operation space is provided for operators, and meanwhile the operators can be prevented from touching the polishing assembly by mistake.

Specifically, in this embodiment, the bearing seats 4 are disposed at the upper end and the position close to the lower end of the support column 2, the second driving motor 5 is mounted at the lower end of the support column 2, the driving shaft of the second driving motor 5 is fixedly connected with a lead screw 6, and the lead screw 6 sequentially passes through the bearing seat 4 close to the lower end of the support column 2, the mounting seat 3 and the bearing seat 4 at the upper end of the support column 2, and is connected with the bearing on the bearing seat 4 and is in threaded connection with the mounting seat 3.

Specifically, in this embodiment, the first driving motor 7 is provided with a protection cover 14, the protection cover 14, and the polishing disc 8 is sleeved inside the protection cover 14.

Further, when polishing the gear end face, can effectually stop the flying chip of polishing through protection casing 14, avoid flying chip to cause the injury to operating personnel.

Specifically, in this embodiment, the protection cover 14 is provided with a spray head 15, and the spray head 15 is connected to a cooling tank 18 through a connection pipe 16 and a pressure pump 17.

During polishing, the end face of the gear and the polishing disc 8 generate friction heat, so that the temperature of the gear and the polishing disc 8 rises, the gear is annealed, the hardness of the gear is affected, the hardness of the gear is reduced, and therefore the pressure pump 17 sprays cooling liquid in the cooling box 18 to the gear through the spray head 15, and the temperature of the gear during polishing is reduced.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present utility model and the core ideas thereof; also, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a gear end face grinding device which characterized in that: the automatic polishing machine comprises a workbench (1), wherein a fixing assembly for fixing a gear is arranged on the upper end face of the workbench (1), a lifting assembly is arranged on the side edge of the workbench (1), and a polishing assembly for polishing the end face of the gear is connected to the lifting assembly;

The fixing assembly comprises a placement frame (10) arranged on the upper end face of the workbench (1), a positioning column (11) is arranged at the center of the placement frame (10), a plurality of hydraulic rods (12) facing the center of the placement frame (10) are arranged on the inner wall of the placement frame (10), and clamping blocks (13) used for being matched with external teeth of gears are arranged on the hydraulic rods (12).

2. The gear end face grinding device according to claim 1, wherein: the polishing assembly comprises a first driving motor (7), a polishing disc (8) and a telescopic air cylinder (9), wherein the telescopic air cylinder (9) is transversely and fixedly connected to the lifting assembly, the first driving motor (7) is fixedly installed at the telescopic end of the telescopic air cylinder (9), a driving shaft of the first driving motor (7) is vertically downward and located at the upper end of the workbench (1), and the polishing disc (8) is installed on the driving shaft.

3. A gear face grinding apparatus as set forth in claim 2 wherein: the lifting assembly comprises a supporting column (2), the supporting column (2) is vertically arranged on one side of the workbench (1), a vertical sliding groove (201) is formed in the supporting column (2), an installation seat (3) is connected through the sliding groove (201) in a sliding mode, and the installation seat (3) is connected with the fixed end of the telescopic cylinder (9).

4. A gear face grinding apparatus according to claim 3, wherein: the upper end of support column (2) and be close to lower extreme department and all be provided with bearing frame (4), second driving motor (5) are installed to the lower extreme of support column (2), fixedly connected with lead screw (6) in the drive shaft of second driving motor (5), and lead screw (6) pass bearing frame (4) near support column (2) lower extreme department, mount pad (3) and bearing frame (4) of support column (2) upper end in proper order and with bearing connection on bearing frame (4) and with mount pad (3) threaded connection.

5. The gear end face grinding device according to claim 1, wherein: the clamping block (13) is an arc-shaped block, the outer wall of the clamping block is fixedly connected with the hydraulic rod (12), and the inner wall of the clamping block is provided with fixed saw teeth which are matched with the gear and used for fixing the gear.

6. A gear face grinding apparatus as set forth in claim 2 wherein: the polishing device is characterized in that a protective cover (14) is arranged on the first driving motor (7), the protective cover (14) is arranged on the polishing disc (8) in a sleeved mode, and the protective cover (14) is arranged inside the polishing disc.

7. The gear end face grinding device according to claim 6, wherein: the protective cover (14) is provided with a spray head (15), and the spray head (15) is connected with a cooling box (18) through a connecting pipe (16) and a pressure pump (17).