CN220498597U - Valve foundry goods terminal surface grinding mechanism - Google Patents

Abstract

The utility model discloses a valve casting end face grinding mechanism which comprises a frame, wherein a conveying device is arranged in the middle of the frame and comprises a first motor, a conveying frame, a chain wheel and a chain, the chain wheel is arranged on the conveying frame, the first motor is fixed on the frame, an output shaft of the first motor is fixedly connected with the chain wheel, a plurality of clamps for clamping a valve casting are arranged on the conveying device, the conveying device drives the clamps to intermittently convey towards one side, and processing devices for grinding the end face of the valve casting are arranged on two sides of the conveying device.

Description

Valve foundry goods terminal surface grinding mechanism

Technical Field

The utility model discloses a valve casting end face grinding mechanism, and belongs to the technical field of casting production and processing equipment.

Background

The valve (valve) is a control component in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing countercurrent, stabilizing pressure, diverting or overflow pressure relief and the like. The variety and size of valves used in extremely complex self-control systems, ranging from the simplest shut-off valves, is quite large. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

The main body part of the valve comprises a valve seat, a valve core and a valve, wherein the valve seat is basically formed by casting, the end face of the valve seat is provided with a flange connected with a pipeline, in order to ensure the tightness of the valve in a high-pressure use environment, the surface roughness of the flange is required, the surface of the flange is subjected to grinding processing by adopting a surface grinding machine after casting rough machining, but only one end face is processed each time, the valve seat is required to be disassembled and assembled each time, and the processing efficiency is limited to be relatively high.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a valve casting end face grinding mechanism.

The valve casting end face grinding mechanism comprises a frame, wherein a conveying device is arranged in the middle of the frame, the conveying device comprises a first motor, a conveying frame, a chain wheel and a chain, the chain wheel is arranged on the conveying frame, the first motor is fixed on the frame, an output shaft of the first motor is fixedly connected with the chain wheel, a plurality of clamps for clamping a valve casting are arranged on the conveying device, the conveying device drives the clamps to intermittently convey towards one side, machining devices for grinding the end face of the valve casting are arranged on two sides of the conveying device, each machining device comprises a fixing frame, a transmission piece and at least three grinding rollers, the grinding rollers are rotatably arranged on the fixing frame in a vertical state according to a center line, the grinding rollers are arranged side by side along the moving direction of the clamps, and the machining devices are positioned between two adjacent intermittent conveying positions of the clamps.

Preferably, the transmission member comprises a second motor, a belt wheel and a belt, wherein the belt wheel is arranged on an output shaft of the second motor and the grinding roller, and the belt is sleeved on the outer side of the belt wheel.

Preferably, the bottom of mount is provided with the boss, the lower extreme at the mount is installed to the driving medium, be provided with in the frame and supply the gliding track of mount, and still be provided with in the frame and be used for driving the gliding first cylinder of mount.

Preferably, the grinding accuracy of the grinding roller is gradually increased along the moving direction of the jig.

Preferably, the fixture comprises a mounting seat, a positioning column and a movable clamping block, wherein supporting tables are arranged on two sides of the mounting seat, grooves matched with the outer circle of the valve casting are formed in the supporting tables, the positioning column and the movable clamping block are arranged between the two supporting tables, the movable clamping block is provided with two sliding grooves for the movable clamping block to slide, springs and positioning bolts are respectively arranged on two sides of the movable clamping block, the springs are located on the inner side of the mounting seat, the positioning bolts are in threaded connection with the mounting seat, and one ends of the positioning bolts are in interference with the movable clamping block.

Preferably, the two sides of the mounting seat are provided with transmission shafts, the transmission shafts are provided with fixed blocks connected with chains, and the two sides of the mounting seat are also provided with rollers which are arranged in a sliding manner with the conveying frame.

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

through setting up conveyer, anchor clamps and processingequipment for the anchor clamps of clamping valve foundry goods are carried forward under conveyer's drive intermittent type, and pass through the grinding roller of three different grinding precision in proper order, make it can accomplish the abrasive machining of two terminal surfaces under the condition of once clamping, and the machining precision can satisfy the requirement to the leakproofness simultaneously, and not only abrasive machining is efficient, and the clamping is convenient simple moreover, has reduced workman's intensity of labour.

Drawings

FIG. 1 is a schematic diagram of a valve casting end face grinding mechanism of the present utility model;

FIG. 2 is a schematic view of a processing apparatus according to the present utility model;

FIG. 3 is a schematic view of a clamp according to the present utility model;

reference numerals: 1. a processing device; 2. a clamp; 3. a transfer device; 4. a track; 5. a frame; 6. a chain; 7. a sprocket; 8. a conveying frame; 9. a first motor; 10. a fixing frame; 11. a first cylinder; 12. a second motor; 13. a boss; 14. a belt wheel; 15. a belt; 16. grinding rollers; 17. positioning bolts; 18. a spring; 19. a roller; 20. a transmission shaft; 21. a fixed block; 22. a support table; 23. a movable clamping block; 24. positioning columns; 25. a groove; 26. and (5) a mounting seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, a valve casting end face grinding mechanism comprises a frame 5, and is characterized in that a conveying device 3 is arranged in the middle of the frame 5, the conveying device 3 comprises a first motor 9, a conveying frame 8, a chain wheel 7 and a chain 6, the chain wheel 7 is installed on the conveying frame 8, the first motor 9 is fixed on the frame 5, an output shaft of the first motor is fixedly connected with the chain wheel 7, a plurality of clamps 2 for clamping a valve casting are arranged on the conveying device 3, the conveying device 3 drives the clamps 2 to intermittently convey towards one side, the clamps 2 comprise a mounting seat 26, positioning columns 24 and movable clamp blocks 23, supporting tables 22 are arranged on two sides of the mounting seat 26, grooves 25 matched with the outer circles of the valve casting are formed in the supporting tables 22, the positioning columns 24 and the movable clamp blocks 23 are arranged between the two supporting tables 22, the movable clamp blocks 23 are provided with two sliding grooves for the movable clamp blocks 23, springs 18 and positioning bolts 17 are respectively arranged on two sides of the movable clamp blocks 23, the springs 18 are positioned on the inner sides of the mounting seat 26, the positioning bolts 17 are in threaded connection with the mounting seat 26, one ends of the positioning bolts 17 are abutted against one ends of the movable clamp blocks 23, the two sides of the movable clamp blocks 23 are in contact with the two sides of the movable clamp blocks 26, the two sides of the transmission shaft 20 are also arranged on the two sides of the movable clamp blocks 20, and are in sliding shafts 20 are connected with the two sides of the movable clamp blocks, and are respectively arranged on the two sides of the movable clamp blocks, and are respectively, and are provided with a transmission shaft 20.

The two sides of the conveying device 3 are provided with processing devices 1 for grinding the end faces of valve castings, the processing devices 1 comprise a fixing frame 10, a transmission piece and at least three grinding rollers 16, the grinding rollers 16 are rotatably arranged on the fixing frame 10 in a vertical state according to a central line, the grinding rollers 16 are arranged side by side along the moving direction of the clamps 2, meanwhile, the grinding accuracy of the grinding rollers 16 is gradually improved along the moving direction of the clamps 2, the processing devices 1 are located between two adjacent intermittent conveying positions of the clamps 2, the transmission piece comprises a second motor 12, a belt wheel 14 and a belt 15, the belt wheel 14 is arranged on an output shaft of the second motor 12 and the grinding rollers 16, the belt 15 is sleeved on the outer side of the belt wheel 14, a boss 13 is arranged at the bottom of the fixing frame 10, the transmission piece is arranged at the lower end of the fixing frame 10, a track 4 for the fixing frame 10 to slide is arranged on the frame 5, and a first air cylinder 11 for driving the fixing frame 10 to slide is further arranged on the frame 5.

Working principle: the middle part of the valve casting is positioned by the positioning column 24 and the two ends of the valve casting are aligned under the cooperation of the groove 25, then the movable clamping block 23 is pushed by the knob positioning bolt 17, so that the spring 18 is compressed, the middle part of the valve casting is clamped, shaking is avoided during grinding, the sprocket 7 and the chain 6 are driven by the first motor 9, the clamp 2 is driven by the fixed block 21 and the transmission shaft 20 to horizontally slide along the transmission direction of the chain 6, the roller 19 can play a supporting role on the mounting seat 26, friction between the mounting seat 26 and the transmission frame 8 can be reduced, and the clamp 2 can be smoothly ground by the clamp 2 due to the fact that the first motor 9 drives the clamp 2 to intermittently transmit and the processing device 1 is arranged between the two transmission positions of the clamp 2.

And three grinding rollers 16 in processingequipment 1 are according to vertical setting to drive belt 15 by second motor 12 and carry out the transmission, make the rotation direction of three grinding rollers 16 unanimous, and the machining precision of three improves step by step, can let the valve foundry goods carry out abrasive machining through different grinding rollers 16 in proper order, finally make its machining precision can satisfy the production requirement, and first cylinder 11 can drive mount 10 horizontal slip, can satisfy the processing of different model valve foundry goods, abrasive machining's efficiency obtains great promotion.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The utility model provides a valve foundry goods terminal surface grinding machanism, includes frame (5), its characterized in that, the middle part of frame (5) is provided with conveyer (3), conveyer (3) are including first motor (9), conveying frame (8), sprocket (7) and chain (6), sprocket (7) are installed on conveying frame (8), first motor (9) are fixed on frame (5), and its output shaft and sprocket (7) fixed connection, be provided with anchor clamps (2) of a plurality of clamp valve foundry goods on conveyer (3), conveyer (3) drive anchor clamps (2) towards one side intermittent type conveying, the both sides of conveyer (3) are provided with processingequipment (1) that grinds valve foundry goods terminal surface, processingequipment (1) are including mount (10), driving medium and at least three grinding roller (16), grinding roller (16) are vertical state according to the central line and rotate and install on mount (10), and grinding roller (16) set up side by side along the direction of movement of anchor clamps (2), processing equipment (1) are located between two adjacent positions of anchor clamps (2).

2. A valve casting end face grinding mechanism according to claim 1, characterized in that the transmission member comprises a second motor (12), a belt wheel (14) and a belt (15), the belt wheel (14) is mounted on an output shaft of the second motor (12) and a grinding roller (16), and the belt (15) is sleeved on the outer side of the belt wheel (14).

3. The valve casting end face grinding mechanism according to claim 2, wherein a boss (13) is arranged at the bottom of the fixing frame (10), the transmission piece is arranged at the lower end of the fixing frame (10), a track (4) for sliding the fixing frame (10) is arranged on the frame (5), and a first air cylinder (11) for driving the fixing frame (10) to slide is further arranged on the frame (5).

4. A valve casting end face grinding mechanism according to claim 3, wherein the grinding accuracy of the grinding roller (16) is increased stepwise along the moving direction of the jig (2).

5. The valve casting end face grinding mechanism according to claim 1, wherein the clamp (2) comprises a mounting seat (26), a positioning column (24) and a movable clamping block (23), supporting tables (22) are arranged on two sides of the mounting seat (26), grooves (25) matched with the outer circle of the valve casting are formed in the supporting tables (22), the positioning column (24) and the movable clamping block (23) are located between the two supporting tables (22), the movable clamping block (23) is provided with two sliding grooves for sliding the movable clamping block (23) are formed in the mounting seat (26), springs (18) and positioning bolts (17) are arranged on two sides of the movable clamping block (23) respectively, the springs (18) are located on the inner sides of the mounting seat (26), the positioning bolts (17) are in threaded connection with the mounting seat (26), and one ends of the positioning bolts (17) are in interference with the movable clamping block (23).

6. The valve casting end face grinding mechanism according to claim 5, wherein transmission shafts (20) are arranged on two sides of the mounting seat (26), fixed blocks (21) connected with the chain (6) are arranged on the transmission shafts (20), and rollers (19) slidably arranged with the conveying frame (8) are further arranged on two sides of the mounting seat (26).