Crane valve casting sandblasting device

Abstract

The utility model relates to the technical field of sandblasting processing of crane valves, in particular to a crane valve casting sandblasting device, which can realize uniform grinding of the valve body, improve the sandblasting grinding quality of the valve body, and improve practicality; it comprises a sandblasting box, four groups of legs are fixedly arranged at the bottom of the sandblasting box, a take-in and put-out port is arranged at the front end of the sandblasting box, a sealing cover is arranged on a rotating cover on the take-in and put-out port, a discharge pipe is connected to the bottom end of the sandblasting box, a sandblasting machine is fixedly installed at the rear end of the sandblasting box, a jet feed pipe is connected to the output end of the sandblasting machine, the output ends on both sides of the jet feed pipe pass through the sandblasting box and are respectively connected with two groups of jet pipes, the top end of the rotating shaft is fixedly connected to the output end of the lower side of the double-axis motor, and the transmission worm wheel is meshed with the transmission worm, a transmission strip plate is arranged on the transmission crankshaft through a bearing rotating sleeve, a fixed plate is fixedly connected to the middle of the front end of the fixed frame, a hinge seat is fixedly arranged at the bottom end of the fixed plate, and the top end of the transmission strip plate is hinged to the hinge seat.

Description

Technical Field

[0001] The utility model relates to the technical field of crane valve sandblasting, in particular to a crane valve casting sandblasting device. Background Art

[0002] Crane valves are control components for oil delivery on cranes. They have functions such as shutoff, regulation, diversion, backflow prevention, pressure stabilization, diversion or overflow pressure relief. Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. Valves are also divided into cast iron valves, cast steel valves, stainless steel valves, etc. according to the material.

[0003] Among them, the valve body of the cast valve will have many irregular burrs on its surface after casting. The way to deal with the burrs on the surface of the cast valve body is to use a high-speed sandblasting machine to spray abrasives at high speed onto the surface of the valve body to achieve impact and cutting effects on the surface of the valve body, so that the surface of the valve body has a certain degree of cleanliness and different roughness, and at the same time, it also improves the mechanical properties of the workpiece surface.

[0004] The existing sandblasting device cannot achieve uniform grinding of the valve body during the spraying and grinding process of the cast valve body of the lug valve, which affects the sandblasting and grinding quality of the valve body and is insufficient in practicality. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a crane valve casting sandblasting device which can achieve uniform grinding of the valve body, improve the sandblasting quality of the valve body, and improve practicality.

[0006] Technical Solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crane valve casting sandblasting device, comprising a sandblasting box, a rotating lifting mechanism and a recovery mechanism, wherein four groups of legs are fixedly arranged at the bottom of the sandblasting box, a pick-up and release port is arranged at the front end of the sandblasting box, a sealing cover is installed on the rotating cover of the pick-up and release port, a discharge pipe is connected to the bottom of the sandblasting box, a sandblasting machine is fixedly installed at the rear end of the sandblasting box, a jet feed pipe is connected to the output end of the sandblasting machine, the jet feed pipe is installed on the outside of the sandblasting box, jet pipes are fixedly installed on the inner walls on the left and right sides of the sandblasting box, the output ends on both sides of the jet feed pipe pass through the sandblasting box and are respectively connected to two groups of jet pipes, a plurality of groups of jet nozzles are equidistantly connected on the inner sides of the two groups of jet pipes, a recovery mechanism is placed at the bottom of the discharge pipe for recovering abrasive, the rotating lifting mechanism comprises a lifting plate and a dual-axis motor, a fixed frame is fixedly connected to the top of the sandblasting box, and the fixed frame is symmetrical to the top of the sandblasting box The lifting plate is provided with two sets of guide rods, and the lifting plate is slidably sleeved on the two sets of guide rods through the guide holes. A double-axis motor is fixedly installed on the lifting plate, and a rotating shaft is rotatably installed at the bottom of the lifting plate. The top of the rotating shaft is fixedly connected to the lower output end of the double-axis motor, and the rotating shaft slides through the top of the sandblasting box, and a connecting plate is fixedly connected to the bottom of the rotating shaft. A plurality of valve body hooks are fixedly connected to the bottom of the connecting plate at equidistant intervals in an annular manner, and a transmission worm is fixedly connected to the upper output end of the double-axis motor. Two sets of support plates are symmetrically fixedly connected to the top of the lifting plate, and a transmission crankshaft is rotatably installed on the two sets of support plates. A transmission worm gear is fixedly sleeved on the transmission crankshaft, and the transmission worm gear is meshed with the transmission worm gear. A transmission strip plate is rotatably sleeved on the transmission crankshaft through a bearing, and a fixed plate is fixedly connected to the middle of the front end of the fixed frame, and a hinge seat is fixedly provided at the bottom end of the fixed plate, and the top of the transmission strip plate is hinged to the hinge seat.

[0008] Preferably, the recycling mechanism comprises a collecting box, which is placed below the discharge pipe, and has four sets of casters symmetrically mounted on the collecting box for rotation, and a hand handle fixedly connected to the front end of the collecting box.

[0009] Preferably, an anti-slip handle sleeve is fixed on the circumferential outer wall of the push handle.

[0010] Preferably, reinforcing plates are fixedly connected between the left and right ends of the fixing frame and the top of the sandblasting box.

[0011] Preferably, sliding sleeves are provided in both sets of guide holes on the lifting plate.

[0012] Compared with the prior art, the utility model has the following beneficial effects: when in use, the sealing cover is opened, the valve body to be processed is hung on the valve body hook, and then the sealing cover is closed and the double-shaft motor is started. By starting the double-shaft motor, the double-shaft motor drives the rotating shaft and the transmission worm to rotate at the same time, and the rotating shaft drives the connecting plate to rotate, so that the connecting plate drives the valve body to rotate through the valve body hook, and the transmission worm drives the transmission crankshaft to rotate through the engagement with the transmission worm wheel, so that the transmission crankshaft drives the transmission strip plate to swing, and under the swinging action of the transmission strip plate, the lifting plate is driven to slide up and down along the guide rod. , so that the lifting plate drives the dual-axis motor and the rotating shaft to move up and down, and the rotating shaft drives the connecting plate to rotate and move up and down at the same time, so that the connecting plate drives the valve body to rotate and move up and down at the same time through the valve body hook. At the same time, by starting the sandblasting machine, the sandblasting machine conveys the abrasive to the injection pipe through the injection feed pipe, and then injects the abrasive to the surface of the valve body at high speed through the injection nozzle, so that the valve body completes uniform sandblasting and grinding treatment in the process of rotation and up and down movement, thereby achieving uniform grinding of the valve body, improving the sandblasting and grinding quality of the valve body, and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the axonometric cross-section structure of the utility model;

[0015] Figure 3 It is a bottom axonometric structural diagram of the rotary lifting mechanism in the utility model;

[0016] Figure 4 It is an axonometric structural diagram of the recovery mechanism in the utility model;

[0017] Markings in the attached drawings: 1. Sandblasting box; 2. Support legs; 3. Sealing cover; 4. Discharge pipe; 5. Fixed frame; 6. Guide rod; 7. Lifting plate; 8. Dual-axis motor; 9. Rotating shaft; 10. Connecting plate; 11. Valve body hook; 12. Transmission worm; 13. Support plate; 14. Transmission crankshaft; 15. Transmission worm gear; 16. Transmission strip; 17. Fixed plate; 18. Articulated seat; 19. Collecting box; 20. Casters; 21. Hand push handle; 22. Anti-slip handle cover; 23. Reinforcement plate; 24. Sleeve; 25. Sandblasting machine; 26. Injection feed pipe; 27. Injection pipe; 28. Injection nozzle. DETAILED DESCRIPTION

[0018] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0019] Example

[0020] See also Figure 1-Figure 4 The utility model of the crane valve casting sandblasting device comprises a sandblasting box 1, the bottom of the sandblasting box 1 is fixedly provided with four groups of legs 2, the front end of the sandblasting box 1 is provided with a take-in and put-out port, the rotating cover on the take-in and put-out port is provided with a sealing cover 3, the bottom end of the sandblasting box 1 is connected with a discharge pipe 4, the rear end of the sandblasting box 1 is fixedly provided with a sandblasting machine 25, the output end of the sandblasting machine 25 is connected with a jet conveying pipe 26, the jet conveying pipe 26 is installed on the outside of the sandblasting box 1, and the inner walls on both sides of the sandblasting box 1 are fixedly provided with jet pipes 27, the output ends of the jet conveying pipe 26 pass through the sandblasting box 1 and are respectively connected with two groups of jet pipes 27, the inner sides of the two groups of jet pipes 27 are equidistantly connected with a plurality of groups of jet nozzles 28, a recovery mechanism is placed at the bottom of the discharge pipe 4 for recovering abrasive, and the top of the sandblasting box 1 is fixedly connected There is a fixed frame 5, and the fixed frame 5 is symmetrically fixedly connected with two groups of guide rods 6 on the top of the sandblasting box 1. Two groups of guide holes are provided on the lifting plate 7. The lifting plate 7 is slidably sleeved on the two groups of guide rods 6 through the guide holes. A double-axis motor 8 is fixedly installed on the lifting plate 7. A rotating shaft 9 is rotatably installed at the bottom of the lifting plate 7. The top of the rotating shaft 9 is fixedly connected to the lower output end of the double-axis motor 8. The rotating shaft 9 slides through the top of the sandblasting box 1. A connecting plate 10 is fixedly connected to the bottom of the connecting plate 10. A plurality of groups of valve body hooks 11 are fixedly connected to the upper output end of the double-axis motor 8. A transmission worm 12 is fixedly connected to the upper output end of the double-axis motor 8. Two groups of support plates 13 are symmetrically fixedly connected to the top of the lifting plate 7. A transmission crankshaft 14 is rotatably installed on the two groups of support plates 13. A fixed sleeve on the transmission crankshaft 14 A transmission worm wheel 15 is provided, and the transmission worm wheel 15 is meshed with the transmission worm 12. A transmission strip plate 16 is provided on the transmission crankshaft 14 through a bearing rotation sleeve. A fixing plate 17 is fixedly connected to the middle of the front end of the fixing frame 5. A hinge seat 18 is fixedly provided at the bottom end of the fixing plate 17. The top of the transmission strip plate 16 is hinged to the hinge seat 18. When in use, the sealing cover 3 is opened, the valve body to be processed is hung on the valve body hook 11, and then the sealing cover 3 is closed and the double-axis motor 8 is started. By starting the double-axis motor 8, the double-axis motor 8 drives the rotating shaft 9 and the transmission worm 12 to rotate at the same time, and the rotating shaft 9 drives the connecting disk 10 to rotate, so that the connecting disk 10 drives the valve body to rotate through the valve body hook 11, and the transmission worm 12 drives the transmission crankshaft 14 to rotate by meshing with the transmission worm wheel 15. The transmission crankshaft 14 drives the transmission strip 16 to swing, and the swinging action of the transmission strip 16 drives the lifting plate 7 to slide up and down along the guide rod 6, so that the lifting plate 7 drives the dual-axis motor 8 and the rotating shaft 9 to move up and down, and the rotating shaft 9 drives the connecting plate 10 to rotate and move up and down at the same time, so that the connecting plate 10 drives the valve body to rotate through the valve body hook 11 and moves up and down at the same time, and at the same time, the sandblasting machine 25 is started, so that the sandblasting machine 25 conveys the abrasive to the injection pipe 27 through the injection feed pipe 26, and then the abrasive is injected into the valve body surface at a high speed through the injection nozzle 28, so that the valve body is evenly sandblasted and polished during the rotation and up and down movement, so that the valve body can be evenly polished, the sandblasting quality of the valve body is improved, and the practicality is improved.

[0021] The recycling mechanism includes a collecting box 19, which is placed below the discharge pipe 4. Four sets of casters 20 are symmetrically mounted on the collecting box 19 for rotation, and a hand handle 21 is fixedly connected to the front end of the collecting box 19. After the abrasive is sprayed on the surface of the valve body and polished, it falls back into the collecting box 19 through the discharge pipe 4, and the abrasive is collected by the collecting box 19. The collecting box 19 is conveniently pushed to move by the hand handle 21, so as to recycle the abrasive and avoid waste.

[0022] An anti-skid handle 22 is fixedly sleeved on the circumferential outer wall of the hand push handle 21 ; the anti-skid handle 22 can prevent the hand from slipping when the hand push handle 21 is used to push the collection box 19 to move.

[0023] Reinforcement plates 23 are fixedly connected between the left and right ends of the fixing frame 5 and the top of the sandblasting box 1 ; by providing the reinforcement plates 23 , the connection between the fixing frame 5 and the sandblasting box 1 can be made more firm and stable.

[0024] Sliding sleeves 24 are provided in the two sets of guide holes on the lifting plate 7 ; by providing the sliding sleeves 24 , the lifting plate 7 can slide on the guide rod 6 more smoothly.

[0025] The working principle of the crane valve casting sandblasting device of the utility model is that when in use, the sealing cover 3 is opened, the valve body to be processed is hung on the valve body hook 11, and then the sealing cover 3 is closed and the double-axis motor 8 is started. By starting the double-axis motor 8, the double-axis motor 8 drives the rotating shaft 9 and the transmission worm 12 to rotate at the same time, and the rotating shaft 9 drives the connecting plate 10 to rotate, so that the connecting plate 10 drives the valve body to rotate through the valve body hook 11, and the transmission worm 12 drives the transmission crankshaft 14 to rotate by meshing with the transmission worm wheel 15, so that the transmission crankshaft 14 drives the transmission strip plate 16 to swing, and under the swinging action of the transmission strip plate 16, the lifting plate 7 is driven to slide up and down along the guide rod 6, so that the lifting plate 7 drives the double-axis motor 8 and The rotating shaft 9 moves up and down, so that the rotating shaft 9 drives the connecting plate 10 to rotate and move up and down at the same time, so that the connecting plate 10 drives the valve body to rotate and move up and down at the same time through the valve body hook 11. At the same time, by starting the sandblasting machine 25, the sandblasting machine 25 conveys the abrasive to the injection pipe 27 through the injection feed pipe 26, and then the abrasive is sprayed onto the surface of the valve body at high speed through the injection nozzle 28, so that the valve body is evenly sandblasted and polished during the rotation and up and down movement. After the abrasive is sprayed on the surface of the valve body and polished, it falls back into the collection box 19 through the discharge pipe 4, and the abrasive is collected by the collection box 19. The collection box 19 is conveniently pushed to move by the hand push handle 21 so as to recycle the abrasive.

[0026] The installation method, connection method or setting method of the crane valve casting sandblasting device of the utility model are all common mechanical methods, and can be implemented as long as they can achieve their beneficial effects; the dual-axis motor of the crane valve casting sandblasting device of the utility model is purchased on the market, and technical personnel in this industry only need to install and operate it according to the accompanying instruction manual. In addition, the sandblasting machine in this application is quoted from the sandblasting machine described in a valve shell sandblasting and polishing device disclosed in patent publication number CN212240629U, which belongs to the prior art, so it will not be repeated in this application.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A sandblasting device for crane valve casting, comprising a sandblasting box (1), characterized in that: It also includes a rotating lifting mechanism and a recovery mechanism; A sandblasting box (1), wherein four groups of legs (2) are fixedly provided at the bottom of the sandblasting box (1), a take-in and put-out port is provided at the front end of the sandblasting box (1), a sealing cover (3) is installed on the rotating cover of the take-in and put-out port, a discharge pipe (4) is connected to the bottom end of the sandblasting box (1), a sandblasting machine (25) is fixedly installed at the rear end of the sandblasting box (1), an injection conveying pipe (26) is connected to the output end of the sandblasting machine (25), the injection conveying pipe (26) is installed on the outside of the sandblasting box (1), injection pipes (27) are fixedly installed on the inner walls on both sides of the sandblasting box (1), the output ends of the injection conveying pipe (26) pass through the sandblasting box (1) and are respectively connected to two groups of injection pipes (27), the inner sides of the two groups of injection pipes (27) are evenly spaced and connected to multiple groups of injection nozzles (28), and a recovery mechanism is placed at the bottom of the discharge pipe (4) for recovering abrasive; A rotary lifting mechanism, the rotary lifting mechanism comprising a lifting plate (7) and a double-axis motor (8), the top of a sandblasting box (1) is fixedly connected with a fixing frame (5), the fixing frame (5) and the top of the sandblasting box (1) are symmetrically fixedly connected with two groups of guide rods (6), the lifting plate (7) is provided with two groups of guide holes, the lifting plate (7) is slidably sleeved on the two groups of guide rods (6) through the guide holes, the lifting plate (7) is fixedly installed with a double-axis motor (8), the bottom of the lifting plate (7) is rotatably installed with a rotating shaft (9), the top of the rotating shaft (9) is fixedly connected with the lower output end of the double-axis motor (8), the rotating shaft (9) slides through the top of the sandblasting box (1), the bottom of the rotating shaft (9) is fixedly connected with a connecting plate (10), the connecting plate (10 ) are annularly and equidistantly fixedly connected to the bottom end of the lifting plate (7), a transmission worm (12) is fixedly connected to the upper output end of the double-axis motor (8), two groups of support plates (13) are symmetrically fixedly connected to the top end of the lifting plate (7), a transmission crankshaft (14) is rotatably mounted on the two groups of support plates (13), a transmission worm gear (15) is fixedly sleeved on the transmission crankshaft (14), and the transmission worm gear (15) is meshed with the transmission worm (12), a transmission strip plate (16) is rotatably sleeved on the transmission crankshaft (14) through a bearing, a fixed plate (17) is fixedly connected to the middle of the front end of the fixed frame (5), a hinge seat (18) is fixedly provided at the bottom end of the fixed plate (17), and the top end of the transmission strip plate (16) is hinged to the hinge seat (18).

2. The crane valve casting sandblasting device according to claim 1, characterized in that: The recovery mechanism comprises a collection box (19), which is placed below the discharge pipe (4). Four sets of casters (20) are symmetrically mounted on the collection box (19) for rotation, and a hand handle (21) is fixedly connected to the front end of the collection box (19).

3. The crane valve casting sandblasting device according to claim 2, characterized in that: An anti-slip handle sleeve (22) is fixedly sleeved on the circumferential outer wall of the hand push handle (21).

4. The crane valve casting sandblasting device as claimed in claim 3, characterized in that: Reinforcement plates (23) are fixedly connected between the left and right ends of the fixed frame (5) and the top of the sandblasting box (1).

5. The crane valve casting sandblasting device as claimed in claim 4, characterized in that: Sliding sleeves (24) are provided in the two groups of guide holes on the lifting plate (7).

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