CN115741345A

CN115741345A - Multistage abrasive machining device in sealing valve block surface

Info

Publication number: CN115741345A
Application number: CN202211502701.6A
Authority: CN
Inventors: 张衡; 张�杰; 张斌
Original assignee: Wenzhou Hongtai Machinery Manufacturing Co ltd
Current assignee: Wenzhou Hongtai Machinery Manufacturing Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-07

Abstract

The invention discloses a multistage grinding device for the surface of a sealing valve plate, which comprises a rack, a mold and a grinding head, wherein a square rail is arranged on the rack, a placing station, a first grinding station, a second grinding station and a third grinding station are sequentially arranged on the periphery of the rack corresponding to the square rail, the mold and the grinding head are respectively provided with a plurality of molds, the molds are arranged in the square rail at equal intervals according to installation, the grinding head is arranged on the first grinding station, the second grinding station and the third grinding station of the rack, and a clamping mechanism for clamping the valve plate is arranged on the mold.

Description

Multistage abrasive machining device in sealing valve block surface

Technical Field

The invention discloses a multistage grinding device for the surface of a sealing valve plate, and belongs to the technical field of grinding equipment.

Background

The air valve is a part which is arranged on a cylinder of the compressor and used for controlling the air to enter and exit, the performance of the air valve directly influences the economy and the reliability of the compressor, the compressor is a driven fluid machine which can improve low-pressure air into high-pressure air, the compressor is a heart of a refrigerating system, low-temperature low-pressure refrigerant air is sucked from an air suction pipe, after a piston is driven by the operation of a motor to compress the refrigerant air, high-temperature high-pressure refrigerant air is discharged to an exhaust pipe, and power is provided for a refrigerating cycle.

Gaseous circulation mode of pneumatic valve control mainly relies on the valve block overall arrangement to decide, and be provided with a lot of air vents on the valve block, and stack in proper order on the thickness direction, utilize the dislocation between the air vent, thereby change gaseous flow direction, need have fine gas tightness between valve block and the valve block this moment, so reduce gaseous emergence edge leakage, so the valve block both sides need have higher plane degree, current valve block processing mode, mostly adopt flat grinder, its grinding process's at every turn part quantity is limited, the machining precision of emery wheel also dies certainly simultaneously, and the grinding process of high accuracy valve block is gone on step by step, satisfy different machining precision and just need change the grinding machine, the grinding machining efficiency of the unable promotion valve block of clamping is so relapse.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a multistage grinding device for the surface of a sealing valve plate.

The invention achieves the purpose through the following technical scheme, and the multistage grinding machining device for the surface of the sealing valve plate comprises a rack, a mold and a grinding head, wherein a square rail is arranged on the rack, a placing station, a first grinding station, a second grinding station and a third grinding station are sequentially arranged on the periphery of the rack corresponding to the square rail, the mold and the grinding head are respectively provided with a plurality of molds, the molds are arranged in the square rail at equal intervals according to installation, the grinding head is arranged on the first grinding station, the second grinding station and the third grinding station of the rack, a clamping mechanism for clamping the valve plate is arranged on the mold, a conveying device for pushing the mold to slide along the square rail is arranged below the rack, a transmission device for driving the grinding head to rotate is arranged in the rack, the grinding head is of a cylindrical structure, and the central line of the grinding head is parallel to the plane where the square rail is located.

Preferably, the clamping mechanism comprises a workbench, a fixing column, a rotating disc and a fastener, the fixing column is arranged on the workbench, the rotating disc is rotatably connected with the workbench, a movable column is arranged on the rotating disc, and the fastener is in transmission connection with the rotating disc.

Preferably, the fastener includes driving gear, driven gear and spacing bolt, the driving gear rotates with driven gear and installs the inboard at the workstation, the rolling disc passes through fixing bolt and driven gear fixed connection, spacing bolt and workstation threaded connection, and the one end of spacing bolt has spacing projection, spacing projection is pegged graft with the driving gear, be provided with the clearance that dodges spacing bolt on the workstation.

Preferably, the limiting convex column is inserted into the driving gear, and a movable gap for avoiding the limiting bolt is formed in the workbench.

Preferably, bosses are arranged on two sides of the driving gear and the driven gear.

Preferably, the transmission device comprises four groups of first conveyor belts, each first conveyor belt comprises a first driving belt wheel, a first driven belt wheel, a first toothed belt, a first motor and a push block, the first toothed belt is sleeved outside the first driving belt wheel and the first driven belt wheel, the first driving belt wheel is fixedly connected with an output shaft of the first motor, and the push blocks are arranged in a plurality and fixed outside the first toothed belt at equal intervals.

Preferably, transmission includes second motor, transmission shaft and three groups of second conveyer belts, the second conveyer belt includes fixed axle, second toothed belt and two second driven pulleys, the inboard of frame is provided with the mounting bracket, the fixed axle passes frame and mounting bracket, the second driven pulley is located between frame and the mounting bracket to with fixed axle fixed connection, the fixed axle passes the one end and the bistrique fixed connection of frame, the output shaft fixed connection of transmission shaft and second motor, and be provided with driving pulley and driving medium on the second motor, driving pulley and the second toothed belt drive that is located the second grinding station, the fixed axle transmission in driving medium and first grinding station and the third grinding station.

Preferably, the transmission part comprises a driving bevel gear and two driven bevel gears, the driving bevel gear is fixed on the transmission shaft, and the two driven bevel gears are fixed on the fixed shafts in the first grinding station and the third grinding station.

Preferably, the machine frame is provided with baffles on two sides corresponding to the grinding head.

Preferably, the machining precision of the grinding heads in the first grinding station, the second grinding station and the third grinding station is gradually improved.

Compared with the prior art, the invention has the beneficial effects that:

1. through setting up square rail, a plurality of moulds and bistrique, the valve block is fixed on the mould after, drives it by conveyer and slides along square rail, and a plurality of bistriques grind the valve block in proper order, can realize multistage automatic abrasive machining, both can guarantee that size processing meets the requirements, and the plane degree also can obtain guaranteeing moreover for the valve block when stacking, its advantage that has high leakproofness.

2. A plurality of moulds can a plurality of valve blocks of clamping simultaneously to carry in proper order in square orbit by conveyer, conveyer adopts intermittent type driven mode, can take and the clamping valve block at the interval, and the machining precision of each bistrique improves step by step moreover, need not to change the lathe and separately processes, so promoted the machining efficiency of valve block greatly.

Drawings

FIG. 1 is a schematic structural view of a valve plate;

FIG. 2 is a schematic structural view of a multistage grinding device for the surface of a sealing valve plate according to the present invention;

FIG. 3 is a schematic view of the structure of the mold of the present invention;

FIG. 4 is a cross-sectional view of the mold of the present invention;

FIG. 5 is a schematic view of the structure of the transfer device of the present invention;

FIG. 6 is a schematic structural view of a middle drive unit;

reference numerals are as follows: 1. a square rail; 2. placing a station; 3. a conveying device; 4. a baffle plate; 5. a first grinding station; 6. a mold; 7. a second grinding station; 8. grinding heads; 9. a transmission device; 10. a third grinding station; 11. a mounting frame; 12. a frame; 13. a transmission member; 14. a movable post; 15. fixing the column; 16. a work table; 17. a limit bolt; 18. rotating the disc; 19. a driven gear; 20. a driving gear; 21. a limiting convex column; 22. a boss; 23. a second conveyor belt; 24. a second toothed belt; 25. a second motor; 26. a second driven pulley; 27. a drive pulley; 28. a drive shaft; 29. a fixed shaft; 30. a driven bevel gear; 31. a drive bevel gear; 32. a first toothed belt; 33. a push block; 34. a first driving pulley; 35. a first motor; 36. a first conveyor belt; 37. a first driven pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

As shown in fig. 1-6, a multistage grinding processing device for a surface of a sealing valve plate, which includes a frame 12, a mold 6 and a grinding head 8, wherein the frame 12 is provided with a square rail 1, the frame 12 is provided with a placing station 2 corresponding to the periphery of the square rail 1 in sequence, a first grinding station 5, a second grinding station 7 and a third grinding station 10, the mold 6 and the grinding head 8 are provided with a plurality of parts, the mold 6 is arranged in the square rail 1 at equal intervals according to installation, the grinding head 8 is installed on the first grinding station 5, the second grinding station 7 and the third grinding station 10 of the frame 12, the mold 6 is provided with a clamping mechanism for clamping the valve plate, a conveying device 3 for pushing the mold 6 to slide along the square rail 1 is arranged below the frame 12, a transmission device 9 for driving the grinding head 8 to rotate is arranged in the frame 12, the grinding head 8 is of a cylindrical structure, the center line of the grinding head is parallel to the plane where the square rail 1 is located, the first grinding station 5, the second grinding station 7 and the third grinding station 10, the conveying device 3 drives the mold 6 to slide along the square rail 1, the grinding station 8, the grinding head, the grinding station 8 sequentially passes through the sliding surface of the square rail 1, and the grinding baffle plate, so that the grinding baffle plate can generate effective dust on two sides of the grinding head 4.

The clamping mechanism comprises a workbench 16, a fixed column 15, a rotating disc 18 and a fastener, wherein the fixed column 15 is arranged on the workbench 16, the rotating disc 18 is rotatably connected with the workbench 16, a movable column 14 is arranged on the rotating disc 18, the fastener is in transmission connection with the rotating disc 18, the fastener comprises a driving gear 20, a driven gear 19 and a limiting bolt 17, the driving gear 20 and the driven gear 19 are rotatably installed on the inner side of the workbench 16, the rotating disc 18 is fixedly connected with the driven gear 19 through a fixing bolt, the limiting bolt 17 is in threaded connection with the workbench 16, one end of the limiting bolt 17 is provided with a limiting convex column 21, the limiting convex column 21 is inserted into the driving gear 20, the workbench 16 is provided with a movable gap avoiding the limiting bolt 17, the valve plate is provided with a plurality of air vents, the fixed column 15 and the movable column 14 can be respectively inserted into different air vents, the limiting bolt 17 is rotated to increase or reduce the movable gap, the limiting boss 22 drives the driving gear 20 to rotate, relative sliding exists between the driving gear 20 and the driving gear and the driven gear 15, so that the valve plate can be clamped or loosened by the movable column 14 and the driven gear 15, the boss 22 are arranged on two sides of the driving gear 20 and the driven gear 19, and the boss 22 can be kept in a suspended state when the driven gear 19, and the driven gear is in a suspended state, and the driven gear 19, and the friction state is reduced.

The transmission device 9 comprises four groups of first transmission belts 36, each first transmission belt 36 comprises a first driving belt wheel 34, a first driven belt wheel 37, a first toothed belt 32, a first motor 35 and a push block 33, the first toothed belt 32 is sleeved outside the first driving belt wheel 34 and the first driven belt wheel 37, the first driving belt wheel 34 is fixedly connected with an output shaft of the first motor 35, the push blocks 33 are provided in plurality and fixed on the outer side of the first toothed belt wheel 32 at equal intervals, the first motor 35 drives the first driving belt wheel 34 to rotate, so that the first toothed belt wheel 32 and the first driven belt wheel 37 are in transmission, the push blocks 33 synchronously move along with the first toothed belt wheel 32 and can push the mold 6, the first motor 35 controls the rotation time by giving intermittent electric signals, so that the push blocks 33 push the mold 6 to slide at the same distance in the time, and the first toothed belt wheel 32 can give enough thrust to the push blocks 33, so as to ensure that grinding of the valve plates can be smoothly performed, and transmission can also be performed in a gear and chain manner.

The transmission device 9 comprises a second motor 25, a transmission shaft 28 and three groups of second transmission belts 23, each second transmission belt 23 comprises a fixed shaft 29, a second toothed belt 24 and two second driven pulleys 26, the mounting frame 11 is arranged on the inner side of the frame 12, the fixed shaft 29 penetrates through the frame 12 and the mounting frame 11, each second driven pulley 26 is arranged between the frame 12 and the mounting frame 11 and is fixedly connected with the fixed shaft 29, the fixed shaft 29 penetrates through one end of the frame 12 and is fixedly connected with the grinding head 8, the transmission shaft 28 is fixedly connected with an output shaft of the second motor 25, the second motor 25 is provided with the transmission pulley 27 and the transmission member 13, the transmission pulley 27 is in transmission with the second toothed belt 24 arranged in the second grinding station 7, the transmission member 13 is in transmission with the fixed shaft 29 in the first grinding station 5 and the third grinding station 10, the transmission member 13 comprises a driving bevel gear 31 and two driven bevel gears 30, the driving bevel gear 31 is fixed on the transmission shaft 28, the two driven bevel gears 30 are fixed on the fixed shafts 29 in the first grinding station 5 and the third grinding station 10, the second motor 25 can drive the transmission pulley 27 and the transmission member 13, the driving bevel gears 10, and the driven bevel gears 26 are driven by the driven grinding stations 8, and the driven grinding heads 8, and the driven by the driven bevel gears 26 in the driven bevel gears 8, and the driven bevel gears 7 synchronously.

The working principle is as follows: the valve plate is pre-installed on the workbench 16 through the movable column 14 and the fixed column 15, then the limiting bolt 17 is rotated, the driving gear 20 drives the driven gear 19 to rotate, the rotating disc 18 drives the movable column 14 to rotate and clamp the valve plate, after the valve plate is installed, the four groups of first conveying belts 36 drive the die 6 to slide along the square rail 1 for a circle and return to the initial position, in the process, the valve plate is ground and processed in multiple stages by the grinding heads 8 on the first grinding station 5, the second grinding station 7 and the third grinding station 10 in sequence, wherein the sliding direction of the die 6 is shown as A in fig. 2, the rotating direction of the grinding head 8 is shown as B in fig. 5, so that the flatness and the size precision of the valve plate meet the production requirements, the plurality of dies 6 clamp the valve plate, and the production and processing efficiency of the valve plate can be greatly improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a multistage grinding processingequipment in sealing valve block surface, includes frame (12), mould (6) and bistrique (8), a serial communication port, be provided with square rail (1) on frame (12), and frame (12) correspond square rail (1) have in proper order all around and place station (2), first grinding station (5), second grinding station (7) and third grinding station (10), mould (6) and bistrique (8) all are provided with a plurality ofly, and mould (6) arrange in square rail (1) according to the installation equidistant, bistrique (8) are installed on first grinding station (5), second grinding station (7) and third grinding station (10) of frame (12), be provided with the clamping mechanism who is used for the clamping valve block on mould (6), the below of frame (12) is provided with and is used for promoting mould (6) along the gliding conveyer (3) of square rail (1), be provided with in frame (12) and be used for driving bistrique (8) pivoted transmission (9), bistrique (8) are the plane structure, and its plane center line is parallel at square rail (1).

2. The multistage grinding machining device for the surface of the sealing valve plate according to claim 1, characterized in that the clamping mechanism comprises a workbench (16), a fixed column (15), a rotating disc (18) and a fastening piece, wherein the fixed column (15) is arranged on the workbench (16), the rotating disc (18) is rotatably connected with the workbench (16), a movable column (14) is arranged on the rotating disc (18), and the fastening piece is in transmission connection with the rotating disc (18).

3. The multistage grinding machining device for the surface of the sealing valve plate according to claim 2, characterized in that the fastener comprises a driving gear (20), a driven gear (19) and a limiting bolt (17), the driving gear (20) and the driven gear (19) are rotatably installed on the inner side of the workbench (16), the rotating disc (18) is fixedly connected with the driven gear (19) through a fixing bolt, the limiting bolt (17) is in threaded connection with the workbench (16), one end of the limiting bolt (17) is provided with a limiting convex column (21), the limiting convex column (21) is inserted into the driving gear (20), and a movable gap avoiding the limiting bolt (17) is formed in the workbench (16).

4. The multistage grinding device for the surface of the seal valve plate according to claim 3, wherein bosses (22) are arranged on two sides of the driving gear (20) and the driven gear (19).

5. The multistage grinding device for the surface of the sealing valve plate according to claim 1, wherein the transmission device (9) comprises four groups of first transmission belts (36), the first transmission belts (36) comprise a first driving pulley (34), a first driven pulley (37), a first toothed belt (32), a first motor (35) and a push block (33), the first toothed belt (32) is sleeved outside the first driving pulley (34) and the first driven pulley (37), the first driving pulley (34) is fixedly connected with an output shaft of the first motor (35), and the push block (33) is provided in plurality and fixed outside the first toothed belt (32) at equal intervals.

6. The multistage grinding device for the surface of the sealing valve plate according to claim 1, wherein the transmission device (9) comprises a second motor (25), a transmission shaft (28) and three groups of second transmission belts (23), each second transmission belt (23) comprises a fixed shaft (29), a second toothed belt (24) and two second driven pulleys (26), a mounting frame (11) is arranged on the inner side of the frame (12), the fixed shaft (29) penetrates through the frame (12) and the mounting frame (11), the second driven pulleys (26) are located between the frame (12) and the mounting frame (11) and are fixedly connected with the fixed shaft (29), one end, penetrating through the frame (12), of the fixed shaft (29) is fixedly connected with the grinding head (8), the transmission shaft (28) is fixedly connected with an output shaft of the second motor (25), the second motor (25) is provided with the transmission pulley (27) and a transmission member (13), the transmission pulley (27) is in transmission with the second toothed belt (24) located in the second grinding station (7), and the transmission member (13) is in the third grinding station (5) and the third grinding station (29).

7. The multistage grinding device for the surface of the sealing valve plate according to claim 6, wherein the transmission member (13) comprises a driving bevel gear (31) and two driven bevel gears (30), the driving bevel gear (31) is fixed on the transmission shaft (28), and the two driven bevel gears (30) are fixed on the fixed shaft (29) in the first grinding station (5) and the third grinding station (10).

8. The multistage grinding machining device for the surface of the sealing valve plate according to claim 1 is characterized in that the frame (12) is provided with baffles (4) corresponding to two sides of the grinding head (8).

9. The multistage grinding machining device for the surface of the sealing valve plate according to claim 1, characterized in that machining accuracy of the grinding heads (8) in the first grinding station (5), the second grinding station (7) and the third grinding station (10) is gradually improved.