CN219426468U

CN219426468U - End grinding chamfering equipment

Info

Publication number: CN219426468U
Application number: CN202223523579.9U
Authority: CN
Inventors: 吴春燕
Original assignee: Hunan Nenghong Technology Co ltd
Current assignee: Hunan Nenghong Technology Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-07-28
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses end part flattening chamfering equipment, relates to the technical field of grinding devices, and solves the problems that an existing grinding device does not have a pressure limiting structure, so that standard grinding degree cannot be achieved when the pressure is small, and production precision of a rotary shaft is reduced due to easy excessive grinding when the pressure is large. The grinding assembly can be driven by the driving motor to carry out trowelling chamfering treatment on the end part of the rotary shaft, and meanwhile, the grinding assembly is internally provided with a grinding pressure limiting structure, so that excessive grinding and machining operation on the end part of the rotary shaft can be avoided by automatically triggering a protection function when the grinding pressure is overlarge, the use is stable, and meanwhile, the triggering sensitivity of the protection function can be freely adjusted, so that the grinding device can be suitable for end part grinding machining operations of different types of rotary shafts.

Description

End grinding chamfering equipment

Technical Field

The utility model belongs to the technical field of grinding devices, and particularly relates to end part flattening and chamfering equipment.

Background

The rotary shaft is an important part in a mechanical instrument, the numerical control rotary table is a five-axis linkage basis, the two-coordinate positioning of the rotary shaft and the swinging shaft can be realized, the rotary shaft is a simple way for expanding the use function of a machine tool, and in the production and processing of the rotary shaft at present, in order to ensure the processing and assembly precision of the rotary shaft, the end part of the rotary shaft is required to be subjected to grinding and chamfering treatment through a grinding device.

The existing grinding device does not have a pressure limiting structure when the end part of the rotating shaft is subjected to grinding and chamfering treatment, so that the standard grinding degree cannot be achieved when the pressure is small, the production precision of the rotating shaft is reduced by easy excessive grinding when the pressure is large, the flexibility is poor, and the practicability is low.

Disclosure of Invention

In order to solve the technical problems, the utility model provides end part flattening chamfering equipment, which aims to solve the problems that the existing grinding device does not have a pressure limiting structure, so that the standard grinding degree cannot be achieved when the pressure is smaller, and the production precision of a rotary shaft is reduced due to easy excessive grinding when the pressure is larger.

The purpose and the effect of the end part flattening and chamfering equipment are achieved by the following specific technical means:

the end part flattening chamfering equipment comprises a mounting assembly, wherein the mounting assembly comprises a holding handle, a mounting block, a driving motor, an adjusting cylinder and a positioning disc, the mounting block is fixedly arranged on the side surface of the top of the holding handle, the driving motor is fixedly arranged on the top of the mounting block, the adjusting cylinder is rotationally connected to the bottom of the mounting block, and the positioning disc is spliced in the mounting block; the grinding assembly comprises a control gear, a driving rod, a grinding disc and a synchronous disc, wherein the control gear is rotationally connected to the top of the installation block, a rod body of the driving rod sequentially penetrates through the control gear and the inside of the installation block from top to bottom, the grinding disc is fixedly installed at the bottom of the driving rod, the synchronous disc is rotationally connected to the outside of the driving rod, and the positioning disc is located at the bottom of the synchronous disc.

Further, one end of a rotating shaft of the driving motor is provided with a grinding gear, and the grinding gear is meshed with gear teeth of the control gear for transmission.

Further, the top of the driving rod is provided with a protection gear, the inside of the control gear is provided with a protection tooth slot, and the protection gear is inserted into the protection tooth slot.

Further, the side of locating plate is equipped with the track piece, and the block of track piece passes the inside of installation piece.

Further, the inner wall of the cylinder body of the adjusting cylinder is provided with threads, and the outer end of the track block is in threaded fit with the inner wall of the cylinder body of the adjusting cylinder.

Further, the top of the synchronous disc is provided with a protection top spring, and two ends of the protection top spring are respectively propped against the top of the synchronous disc and the inside of the installation block.

Compared with the prior art, the utility model has the following beneficial effects:

1. when the device is used, the grinding assembly can be driven by the driving motor to carry out trowelling chamfering treatment on the end part of the rotary shaft, and meanwhile, the grinding assembly is internally provided with a grinding pressure limiting structure, so that the protection function can be automatically triggered when the grinding pressure is overlarge to avoid excessive grinding and processing operation on the end part of the rotary shaft, the use is stable, the triggering sensitivity of the protection function can be freely adjusted, and the device can be suitable for end part grinding processing operations of different types of rotary shafts and has extremely high flexibility, adaptability and practicability.

2. The driving motor can drive the grinding disc to rotate so as to realize the grinding and chamfering processing on the end part of the rotary shaft, the grinding gear can drive the control gear to rotate when the driving motor rotates, and the protection gear is inserted into the protection tooth slot under the cooperation of the protection top spring and the synchronous disc when the driving motor is in a normal use state, so that the driving rod and the grinding disc can be driven to synchronously rotate when the control gear rotates, and the grinding and chamfering operation on the end part of the rotary shaft is realized, and the use is convenient and flexible.

3. When the grinding pressure is overlarge, the device can automatically trigger the protection function of the grinding assembly, when the grinding pressure is overlarge, the grinding pressure is larger than the acting force of the protection top spring on the synchronous disc, so that the driving rod can move upwards to compress the protection top spring under the action of the grinding pressure, the driving rod can be separated from the inside of the protection tooth slot after moving upwards, the transmission relation between the control gear and the driving rod is disconnected, the grinding disc cannot continue to rotate for processing, and stable and accurate grinding processing of the rotating shaft is ensured, and the use is stable.

4. The triggering sensitivity of the protection function of the grinding component can be freely adjusted through the adjusting cylinder, the adjusting cylinder can drive the positioning disc to move up and down to change the using position under the action of the threaded fit of the outer end of the inner wall and the track block when the adjusting cylinder is rotated, and the positioning disc can synchronously drive the driving rod to move up and down to change the using position through the synchronous disc when changing the using position, so that the moving stroke of the protection gear, which is required by the protection gear, is changed, namely the triggering sensitivity of the protection function of the grinding component is changed, and the adaptability of the device is improved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the internal structure in the reset state of the present utility model.

Fig. 3 is a schematic view of the structure of the inside after triggering the protection function according to the present utility model.

Fig. 4 is a schematic view of the structure of the inside after the trigger sensitivity is adjusted according to the present utility model.

FIG. 5 is a schematic view of the structure of the present utility model with the mounting assembly disassembled.

Fig. 6 is a schematic view of the grinding assembly of the present utility model after disassembly.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a mounting assembly; 101. a grip; 102. a mounting block; 103. a driving motor; 1031. grinding the gear; 104. an adjustment cylinder; 105. a positioning plate; 1051. a track block; 2. a grinding assembly; 201. a control gear; 2011. protecting tooth grooves; 202. a driving rod; 2021. protecting the gear; 203. grinding the disc; 204. a synchronization disk; 2041. and protecting the top spring.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.

Examples:

as shown in fig. 1 to 6:

the utility model provides end part flattening chamfering equipment, which comprises a mounting assembly 1, wherein the mounting assembly 1 comprises a holding handle 101, a mounting block 102, a driving motor 103, an adjusting cylinder 104 and a positioning disc 105, the mounting block 102 is fixedly arranged on the side surface of the top of the holding handle 101, the driving motor 103 is fixedly arranged on the top of the mounting block 102, the adjusting cylinder 104 is rotationally connected to the bottom of the mounting block 102, and the positioning disc 105 is spliced in the mounting block 102; the grinding assembly 2, the grinding assembly 2 includes a control gear 201, a driving rod 202, a grinding disc 203 and a synchronizing disc 204, the control gear 201 is rotatably connected to the top of the mounting block 102, the rod body of the driving rod 202 sequentially passes through the control gear 201 and the inside of the mounting block 102 from top to bottom, the grinding disc 203 is fixedly mounted at the bottom of the driving rod 202, the synchronizing disc 204 is rotatably connected to the outside of the driving rod 202, and the positioning disc 105 is located at the bottom of the synchronizing disc 204.

The driving motor 103 is electrically connected with an external power supply and a control device, and the specific structure and the working principle thereof are the existing mature technology and are not described herein.

Wherein, the pivot one end of driving motor 103 is equipped with grinding gear 1031, and grinding gear 1031 and the tooth interlock transmission of control gear 201, in use, driving motor 103 can drive grinding dish 203 rotation thereby realize the processing of grinding and chamfering to the revolving shaft tip, grinding gear 1031 can drive control gear 201 rotation when driving motor 103 rotates, the top of actuating lever 202 is equipped with protection gear 2021, and the inside of control gear 201 is equipped with protection tooth groove 2011, protection gear 2021 peg graft in the inside of protection tooth groove 2011, under the cooperation effect of protection top spring 2041 and synchro disc 204, protection gear 2021 peg graft in the inside of protection tooth groove 2011, thereby can drive actuating lever 202 and grinding dish 203 synchronous rotation when control gear 201 rotates, thereby realize the operation of grinding and chamfering to the revolving shaft tip, convenient to use is nimble.

The top of the synchronization disc 204 is provided with a protection top spring 2041, two ends of the protection top spring 2041 respectively prop against the top of the synchronization disc 204 and the inside of the installation block 102, in use, when the grinding pressure is overlarge, the device can automatically trigger the protection function of the grinding assembly 2, when the grinding pressure is overlarge, the grinding pressure is larger than the acting force of the protection top spring 2041 on the synchronization disc 204, so that the driving rod 202 moves upwards to compress the protection top spring 2041 under the action of the grinding pressure, the driving rod 202 moves upwards, the protection gear 2021 can be separated from the inside of the protection tooth slot 2011, and the transmission relation between the control gear 201 and the driving rod 202 is disconnected, so that the grinding disc 203 cannot continue to rotate for processing, and stable and accurate grinding processing of a rotary shaft is ensured.

The inner wall of the cylinder of the adjusting cylinder 104 is provided with threads, the outer end of the track block 1051 is in threaded fit with the inner wall of the cylinder of the adjusting cylinder 104, in use, the triggering sensitivity of the protection function of the grinding assembly 2 can be freely adjusted through the adjusting cylinder 104, the side surface of the positioning plate 105 is provided with the track block 1051, the block body of the track block 1051 penetrates through the inside of the mounting block 102, the positioning plate 105 cannot rotate in the inside of the mounting block 102 due to the design, when the adjusting cylinder 104 is rotated, the adjusting cylinder 104 can drive the positioning plate 105 to move up and down to change the using position under the action of the threaded fit of the inner wall and the outer end of the track block 1051, and the positioning plate 105 can synchronously drive the driving rod 202 to move up and down to change the using position through the synchronous plate 204 when changing the using position, so that the moving stroke required by the protection gear 2021 is separated from the protection tooth groove 2011 is changed, namely the triggering sensitivity of the protection function of the grinding assembly 2 is changed, and the adaptability of the device is improved.

In another embodiment, different gauges of protective top spring 2041 may be used, thereby changing the maximum grinding pressure when triggering the protective function of the grinding assembly 2, further improving the utility of the device.

Specific use and action of the embodiment:

in the utility model, the driving motor 103 can drive the grinding disc 203 to rotate so as to realize the grinding and chamfering processing on the end part of the rotary shaft, when the driving motor 103 rotates, the grinding gear 1031 can drive the control gear 201 to rotate, under the cooperation of the protection top spring 2041 and the synchronizing disc 204, the protection gear 2021 is inserted into the protection tooth slot 2011, thereby when the control gear 201 rotates, the driving rod 202 and the grinding disc 203 can be driven to synchronously rotate, the grinding and chamfering operation on the end part of the rotary shaft is realized, when the grinding pressure is overlarge, the device can automatically trigger the protection function of the grinding assembly 2, when the grinding pressure is overlarge, the moment is larger than the acting force of the protection top spring 2041 on the synchronizing disc 204, so that the driving rod 202 can move upwards under the action of the grinding pressure to compress the protection top spring 2041, the protection gear 2021 can be separated from the protection tooth slot 2011 after the moment, the transmission relation between the control gear 201 and the driving rod 202 is disconnected, the grinding disc 203 can not continue to rotate and process, the grinding shaft is stable, the grinding disc 203 can be guaranteed to precisely rotate, the grinding function can be triggered by the grinding sleeve 105 can be driven by the protection tooth slot 202 to move, and the position of the protection disc can be driven by the protection disc to move the inner wall 105 is changed, namely, the position of the protection disc can be moved by the inner wall 105 can be moved by the change, and the position of the protection disc is moved by the sensitivity of the protection disc is moved by the protection disc 105, and the sensitivity of the protection disc is changed, and the position of the protection disc is moved by the sensitivity of the protection disc is moved by the protection disc 105.

Claims

1. End grinding chamfering equipment, its characterized in that: comprising the following steps: the mounting assembly (1), the mounting assembly (1) comprises a holding handle (101), a mounting block (102), a driving motor (103), an adjusting cylinder (104) and a positioning disc (105), wherein the mounting block (102) is fixedly arranged on the side surface of the top of the holding handle (101), the driving motor (103) is fixedly arranged on the top of the mounting block (102), the adjusting cylinder (104) is rotationally connected to the bottom of the mounting block (102), and the positioning disc (105) is inserted into the mounting block (102); grinding subassembly (2), grinding subassembly (2) are including control gear (201), actuating lever (202), grinding dish (203) and synchronization disk (204), control gear (201) rotate and connect at the top of installation piece (102), and the body of rod top-down of actuating lever (202) passes the inside of control gear (201) and installation piece (102) in proper order, grinding dish (203) fixed mounting is in the bottom of actuating lever (202), synchronization disk (204) rotate and connect the outside at actuating lever (202), and positioning disk (105) are located the bottom of synchronization disk (204).

2. The end mill leveling and chamfering apparatus as set forth in claim 1, wherein: one end of a rotating shaft of the driving motor (103) is provided with a grinding gear (1031), and the grinding gear (1031) is meshed with gear teeth of the control gear (201) for transmission.

3. The end mill leveling and chamfering apparatus as set forth in claim 1, wherein: the top of the driving rod (202) is provided with a protection gear (2021), the inside of the control gear (201) is provided with a protection tooth socket (2011), and the protection gear (2021) is spliced in the protection tooth socket (2011).

4. The end mill leveling and chamfering apparatus as set forth in claim 1, wherein: the side of the positioning disc (105) is provided with a track block (1051), and a block body of the track block (1051) penetrates through the inside of the installation block (102).

5. The end mill leveling and chamfering apparatus as set forth in claim 4, wherein: the inner wall of the cylinder body of the adjusting cylinder (104) is provided with threads, and the outer end of the track block (1051) is in threaded fit with the inner wall of the cylinder body of the adjusting cylinder (104).

6. The end mill leveling and chamfering apparatus as set forth in claim 1, wherein: the top of the synchronous disc (204) is provided with a protection top spring (2041), and two ends of the protection top spring (2041) respectively prop against the top of the synchronous disc (204) and the inside of the installation block (102).