CN216940120U

CN216940120U - Quick locking axial reference mechanism for different machined parts for machining of grinding machine

Info

Publication number: CN216940120U
Application number: CN202220081732.8U
Authority: CN
Inventors: 刘金朵; 张绍山
Original assignee: Hefei Jinshao Machinery Co ltd
Current assignee: Hefei Jinshao Machinery Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-07-12
Anticipated expiration: 2032-01-10

Abstract

The application relates to an axial reference mechanism capable of quickly locking different machined parts for machining a grinding machine, which comprises a base ring, wherein an annular array is arranged on the base ring and provided with four sliding blocks, the inner side of the base ring is rotatably connected with a rotating ring, the upper end surface of the rotating ring is provided with threads, the bottoms of the four sliding blocks are respectively provided with a clamping groove, the sliding blocks are meshed with the threads through the clamping grooves, a positioning block is slidably connected above the sliding blocks and is limited by a knob, one end of the positioning block, which is close to the axis of the rotating ring, is rotatably connected with a ball, a reference block capable of sliding up and down is arranged at the axis position of the base ring, the scheme ensures the same advancing distance by arranging the rotating ring and synchronously driving the four sliding blocks distributed in the annular array to synchronously slide by the threads, and improves the positioning accuracy, and the positioning accuracy of the device is further improved by utilizing point contact between the ball and the workpiece.

Description

Quick locking axial reference mechanism for different machined parts for machining of grinding machine

Technical Field

The application relates to the technical field of grinding machine machining, in particular to a quick axial reference locking mechanism for different machined parts for grinding machine machining.

Background

The grinding machine is a machine tool for grinding the surface of a workpiece by using a grinding tool; most grinding machines perform grinding using a grinding wheel rotating at a high speed, and a few grinding machines perform grinding using oilstones, sanding belts and other grinders and free abrasives, such as honing machines, superfinishing machines, sanding belt grinders, grinding machines, polishing machines, and the like.

When an existing grinding machine is used for machining a precise annular piece, the axial datum of the grinding machine needs to be positioned generally, and the fact that the axial positioning is not accurate can lead to different polishing effects on the edge position in the subsequent polishing process, so that defective products are generated, and the existing grinding machine is not sufficient in axial datum positioning accuracy and prone to deviation. Therefore, the technical personnel in the field provide a quick locking axial reference mechanism for different workpieces for grinding machine processing, so as to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the application provides a quick locking axial reference mechanism for different workpieces for grinding machine machining.

The application provides a quick locking axial reference mechanism of different machined parts for grinding machine processing adopts following technical scheme:

the utility model provides a grinding machine processing is with quick locking axial reference mechanism of different machined parts, includes the base ring, annular array has four sliding blocks on the base ring, the inboard rotation of base ring is connected with the change, and the change up end is provided with the screw thread, the draw-in groove has all been seted up to the bottom of four sliding blocks, and sliding block passes through and meshes between draw-in groove and the screw thread, sliding block's top sliding connection has the locating piece, and the locating piece passes through between knob and the sliding block spacingly to the one end that the locating piece is close to the change axis rotates and is connected with the ball, the axis position department of base ring is provided with the reference block that can slide from top to bottom.

Through adopting above-mentioned technical scheme, displacement about the benchmark piece, the displacement of cooperation sliding block on the change, the realization is to the position transmission of locating piece to convenient realization calibration and location operation promote device's precision.

Preferably, bolt fixedly connected with driving motor on the base ring, and driving motor's output shaft cover is equipped with the toothed disc, be provided with the latch ring on the outer wall of change ring, driving motor passes through the meshing transmission between toothed disc and the latch ring.

Through adopting above-mentioned technical scheme, driving motor passes through the toothed disc and realizes meshing the latch ring, and then realizes the coaxial rotation of swivel in the base ring inboard to this realizes through the position transmission of screw to the sliding block.

Preferably, the outer side of the base ring is provided with an outer ring, the annular array on the outer ring is provided with four groups of positioning rods, two sides of the sliding block are fixedly connected with a group of sleeves, and the sleeves and the positioning rods are matched.

Through adopting above-mentioned technical scheme, the slip embedding cooperation each other between the sleeve pipe of locating lever and sliding block both sides realizes the position restriction of sliding block to guarantee the position stability of sliding block.

Preferably, the bottom end of the base ring is fixedly connected with a bearing disc, a hydraulic cylinder coaxially arranged is fixedly connected to the axial position of the bearing disc, and the end part of the hydraulic cylinder is fixedly connected with the reference block.

Through adopting above-mentioned technical scheme, the position of pneumatic cylinder is stabilized through accepting the dish to the base ring, utilizes the pneumatic cylinder to realize upwards advancing its reference block of tip, realizes the locate function.

Preferably, the bearing plate is provided with a leakage groove, and the leakage groove is formed along the radius direction of the bearing plate.

Through adopting above-mentioned technical scheme, accept the dish and accept the piece to discharge the piece through the small opening, be convenient for clastic clearance.

To sum up, the application comprises the following beneficial technical effects:

by arranging the rotating ring and arranging the threads on the upper end surface of the rotating ring, the threads are used for synchronously driving the four sliding blocks which are distributed in an annular array on the rotating ring to synchronously slide, so that the same travelling distance is ensured, the positioning accuracy is improved, and the positioning accuracy of the device is further improved by utilizing point contact between the ball and the workpiece; through sliding connection locating piece on the sliding block, and the locating piece carries out position fixing between through knob and the sliding block, sets up liftable reference block, utilizes the contact between reference block outer wall and the ball, realizes manual convenient zero setting operation to this precision that guarantees that the device lasts.

Drawings

FIG. 1 is an isometric view of a quick lock axial reference mechanism for different workpieces for grinding operations in an embodiment of the present application;

FIG. 2 is a bottom isometric view of a quick lock axial reference mechanism for a different workpiece for grinding in an embodiment of the present application;

fig. 3 is an enlarged view of a positioning mechanism of a quick locking axial reference mechanism for different workpieces for machining by a grinding machine in the embodiment of the application.

Description of reference numerals: 1. a base ring; 2. rotating the ring; 3. a thread; 4. a snap ring; 5. a drive motor; 6. a gear plate; 7. an outer ring; 8. positioning a rod; 9. a sliding block; 901. a card slot; 10. positioning blocks; 11. a knob; 12. a bearing plate; 13. a hydraulic cylinder; 14. a reference block; 15. a leak groove; 16. a sleeve; 17. and a ball.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses different machined parts are used in grinding machine processing and are locked axial benchmark mechanism fast. Referring to fig. 1-3, a fast locking axial reference mechanism for different workpieces for grinding machine processing comprises a base ring 1, four sliding blocks 9 are arranged on the base ring 1 in an annular array, a rotary ring 2 is rotatably connected to the inner side of the base ring 1, threads 3 are arranged on the upper end face of the rotary ring 2, clamping grooves 901 are formed in the bottoms of the four sliding blocks 9, the sliding blocks 9 are meshed with the threads 3 through the clamping grooves 901, the preferred clamping grooves 901 are of an arc structure matched with the threads 3, the longitudinal section of the preferred clamping grooves is of a triangular structure, the thread pitch of the threads 3 is preferably 2mm, the precision during transmission is improved, a positioning block 10 is slidably connected to the upper portion of each sliding block 9, clamping strips of an L-shaped structure are arranged on two upper sides of the preferred sliding block 9, L-shaped grooves corresponding to the L-shaped clamping strips are arranged on two bottom sides of the positioning block 10, and the L-shaped clamping strips are slidably connected inside the grooves in an attaching manner, the small enough gap between the positioning block and the rotating ring is beneficial to improving the precision of the device, the positioning block 10 is limited between the knob 11 and the sliding block 9, one end of the positioning block 10 close to the axis of the rotating ring 2 is rotatably connected with a ball 17, a reference block 14 capable of sliding up and down is arranged at the axis position of the base ring 1, the base ring 1 is fixedly connected with a driving motor 5 through a bolt, an output shaft of the driving motor 5 is sleeved with a gear disc 6, the outer wall of the rotating ring 2 is provided with a latch ring 4, the driving motor 5 is in meshing transmission with the latch ring 4 through the gear disc 6, the outer side of the base ring 1 is provided with an outer ring 7, an annular array on the outer ring 7 is provided with four groups of positioning rods 8, two sides of the sliding block 9 are fixedly connected with a group of sleeves 16, the sleeves 16 and the positioning rods 8 are matched, preferably, two positioning rods 8 are arranged in each group of the sleeves 16, and the positioning rods 8 are slidably embedded in the sleeves 16, and the outer wall of the locating rod 8 and the inner wall of the sleeve 16 are arranged in a fitting manner, so that the position of the sliding block 9 on the rotating ring 2 is relatively stable, the bottom end of the base ring 1 is fixedly connected with a bearing disc 12, the axial position of the bearing disc 12 is fixedly connected with a hydraulic cylinder 13 coaxially arranged, the end part of the hydraulic cylinder 13 is fixedly connected with a reference block 14, a leakage groove 15 is formed in the bearing disc 12, the leakage groove 15 is formed in the radial direction of the bearing disc 12, a push rod is preferably rotatably connected to the inside of the bearing disc 12, the push rod is used for cleaning the scraps in the bearing disc 12, and the scraps are poured to the outside of the device through the leakage groove 15.

The implementation principle of the quick locking axial reference mechanism for different workpieces for machining of the grinding machine is as follows: before axial positioning, firstly calibrating the device, driving a datum block 14 to move upwards by a hydraulic cylinder 13, starting a driving motor 5 to rotate, driving the gear ring 4 by the meshing of a gear disc 6 by the driving motor 5, rotating a rotating ring 2 at the moment, rotating a thread 3 on the rotating ring, changing the position of the thread 3 in different clamping grooves 901 when the thread 3 moves in the clamping grooves 901 at the bottoms of the sliding blocks 9, further pushing the sliding blocks 9 to the middle positions of the rotating ring 2, and loosening an upper knob 11 of the four sliding blocks when the balls 17 are not attached to the datum block 14 because the four sliding blocks 9 synchronously move, wherein four balls 17 are attached to the outer wall of the datum block 14 under the condition of no error, the position of the four positioning blocks 10 is accurate at the moment, subsequent workpiece positioning operation can be carried out, pushing the positioning block 10 to horizontally slide on the sliding block 9, so that the ball 17 is attached to the outer wall of the reference block 14, and completing recalibration; after the calibration is completed, the hydraulic cylinder 13 drives the reference block 14 to move downwards, a workpiece to be processed is placed above the reference block 14 and is supported through the reference block 14, the positioning block 10 is driven by the rotary ring 2 to make the ball 17 of the positioning block contact with the outer wall of the workpiece, and the eccentric side is pushed to a certain extent, so that the axis of the positioning block and the axis of the reference block 14 are aligned with each other, the accurate positioning operation is completed, the polishing operation can be performed after the positioning block is clamped through an external clamping mechanism, the polished chips fall into the receiving disc 12 below, the convenient cleaning of the chips in the receiving disc 12 can be realized through the leakage grooves 15 in the receiving disc 12, and the practicability of the device is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a quick locking axial benchmark mechanism of different machined parts is used in grinding machine processing, includes base ring (1), annular array has four sliding block (9) on base ring (1), its characterized in that: the inboard of base ring (1) is rotated and is connected with swivel (2), and swivel (2) up end is provided with screw thread (3), draw-in groove (901) have all been seted up to the bottom of four sliding block (9), and sliding block (9) mesh between through draw-in groove (901) and screw thread (3), the top sliding connection of sliding block (9) has locating piece (10), and locating piece (10) are spacing between through knob (11) and sliding block (9) to one end rotation that locating piece (10) are close to swivel (2) axis is connected with ball (17), the axis position department of base ring (1) is provided with reference block (14) that can slide from top to bottom.

2. The quick locking axial reference mechanism for different machined parts for grinding machine machining according to claim 1 is characterized in that: bolt fixedly connected with driving motor (5) on base ring (1), and the output shaft cover of driving motor (5) is equipped with toothed disc (6), be provided with latch ring (4) on the outer wall of swivel (2), meshing transmission between driving motor (5) through toothed disc (6) and latch ring (4).

3. The quick locking axial reference mechanism for different machined parts for grinding machine machining according to claim 1 is characterized in that: the outside of base ring (1) is provided with outer ring (7), and annular array has four group locating levers (8) on outer ring (7), the equal fixedly connected with in both sides of sliding block (9) a set of sleeve pipe (16), and cooperate the setting between sleeve pipe (16) and locating lever (8).

4. The quick locking axial reference mechanism for different machined parts for grinding machine machining according to claim 1 is characterized in that: the bottom end of the base ring (1) is fixedly connected with a bearing disc (12), a hydraulic cylinder (13) coaxially arranged is fixedly connected to the axis position of the bearing disc (12), and the end part of the hydraulic cylinder (13) is fixedly connected with a reference block (14).

5. The quick locking axial reference mechanism for different machined parts for grinding machine machining according to claim 4, is characterized in that: the bearing disc (12) is provided with a leakage groove (15), and the leakage groove (15) is arranged along the radius direction of the bearing disc (12).