Single-shaft automatic lathe for machining needle valve seat

Abstract

The utility model relates to the technical field of needle valve seat manufacturing, and discloses a single-shaft automatic lathe for needle valve seat machining, which comprises an operating platform, a polishing device and a moving machine, the left side of the top of the operating platform is fixedly connected with a fixed seat, the right side of the operating platform is in threaded connection with an adjusting bolt, and the outer wall of the adjusting bolt is in threaded connection with a moving seat. The adjacent sides of the movable base and the fixed base are rotationally connected with rotating discs, the adjacent sides of the two rotating discs are fixedly connected with connecting plates, and the adjacent sides of the two connecting plates are slidably connected with sliding columns. According to the blank polishing device, the adjusting bolt is rotated to drive the moving base to limit a blank, meanwhile, the reinforcing bolt is rotated to be matched with the clamping plate to clamp and fix the two ends of the blank, under the condition that the stability of the blank is ensured, precise polishing machining of the blank is improved, and large-particle chippings are collected and treated through the cooperation of the collecting cover and the collecting box; and the fan is started to discharge the dust into the filter box for filtering treatment.

Description

Technical Field

[0001] The utility model relates to the technical field of needle valve seat manufacturing, in particular to a single-axis automatic lathe for processing needle valve seats. Background Art

[0002] The needle valve seat is an important component in a valve, which is used to be installed in the valve body and cooperate with the valve core or valve rod to play a role in sealing and regulating the flow rate. It is usually made of materials such as metal or plastic, and has the characteristics of high strength, corrosion resistance and wear resistance. During the processing, fine cutting and forming operations need to be carried out through a single-axis automatic lathe. As a key device in modern manufacturing, the single-axis automatic lathe provides strong support for the processing process with its high precision and high efficiency.

[0003] After retrieval, the Chinese patent publication number is: CN205927127U, which discloses a single-axis automatic lathe, including a lathe body, a spindle fixture, a transverse movement mechanism and a longitudinal movement mechanism. The spindle fixture is arranged on the lathe body. The lathe body is provided with a transverse movement mechanism. The transverse movement mechanism is provided with a longitudinal movement mechanism. The longitudinal movement mechanism is provided with a tool rest. The spindle fixture includes a chuck, a chuck body, a first cylinder and a compression sleeve. The chuck body is connected to the transmission system. The chuck body is provided with multiple channels. The chuck is embedded in the channels. The compression sleeve is provided with a tapered hole. The chuck is sleeved in the compression sleeve. The compression sleeve is connected to the piston rod of the first cylinder. The first cylinder is arranged on the lathe body. The single-axis automatic lathe described in this utility model uses a servo system for control to realize the transverse and longitudinal movement of the tool rest, and performs turning, drilling and other processing on the workpiece. The spindle fixture uses a cylinder for automatic clamping to improve efficiency. However, in actual use, the above device has the problem that when clamping and fixing the blank used for processing the needle valve seat, it is difficult to accurately clamp and fix it due to the different surface sizes of the blanks, resulting in easy loosening during the grinding process. Therefore, a single-axis automatic lathe for processing needle valve seats is proposed to solve the above problems. Summary of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides a single-axis automatic lathe for processing needle valve seats, aiming to improve the problem that it is difficult to accurately clamp the blank in the prior art, resulting in easy loosening during the grinding process.

[0005] To achieve the above object, the utility model adopts the following technical solutions: A single-axis automatic lathe for processing a needle valve seat, including an operating table, a grinding device and a moving machine. A fixed seat is fixedly connected to the left side of the top of the operating table. A regulating bolt is threadedly connected to the right side of the operating table. A moving seat is threadedly connected to the outer wall of the regulating bolt. Rotating discs are rotatably connected to the adjacent sides of the moving seat and the fixed seat. Connecting plates are fixedly connected to the adjacent sides of the two rotating discs. Sliding columns are slidably connected to the adjacent sides of the two connecting plates. Springs are fixedly connected to the outer walls of the plurality of sliding columns. Top plates are fixedly connected to the adjacent ends of the plurality of sliding columns. A plurality of sliding grooves are formed in the outer walls of the two rotating discs. Limiting plates are slidably connected to the interiors of the plurality of sliding grooves. Clamping plates are fixedly connected to the adjacent sides of the plurality of limiting plates. Reinforcing bolts are threadedly connected to the outer walls of the two rotating discs. The adjacent ends of the plurality of reinforcing bolts penetrate through the outer walls of the rotating discs and are rotatably connected to the opposite sides of the clamping plates. A servo motor is fixedly connected to the left side of the fixed seat. The output end of the servo motor penetrates through the left side of the fixed seat and is fixedly connected to the left side of the rotating disc. A collecting mechanism is arranged on the top of the operating table.

[0006] Through the above technical solution: By placing the blank on the rotating disc, then rotating the regulating bolt to drive the moving plate to clamp and fix both sides of it, and at the same time rotating the reinforcing bolt to cooperate with the clamping plate to further reinforce the blank, this can ensure the overall stability of the blank during high-speed rotation.

[0007] As a further description of the above technical solution:

[0008] The collecting mechanism includes a collecting cover. The rear side of the collecting cover is fixedly connected to the front side of the grinding device. A strainer is fixedly connected to the interior of the collecting cover. An output pipe is communicated with the rear side of the collecting cover. The other end of the output pipe is communicated with a blower. The output end of the blower is communicated with a connecting pipe. The left end of the connecting pipe is communicated with a filtering box. A blanking pipe is communicated with the bottom of the collecting cover. A collecting box is slidably connected to the bottom of the blanking pipe.

[0009] Through the above technical solution: The collecting cover can accurately block the debris ground off, prevent the debris from splashing, and at the same time achieve accurate collection of the debris. The blocked debris falls into the collecting box through the blanking pipe for collection and treatment. At the same time, starting the blower can suck the dust generated by grinding into the filtering box for gas filtering treatment.

[0010] As a further description of the above technical solution:

[0011] A handle one is fixedly connected to the front side of the collecting box. An anti-slip sleeve is fixedly connected to the outer wall of the handle one.

[0012] Through the above technical solution: The handle on the collection box cooperates with the anti-slip sleeve, which can make it more convenient to pick it up.

[0013] As a further description of the above technical solution:

[0014] Both the left and right sides of the collection cover are fixedly connected with a plurality of reinforcing rods, and the adjacent ends of the plurality of reinforcing rods are fixedly connected to the left and right sides of the grinding device.

[0015] Through the above technical solution: The grinding device and the collection cover are reinforced by a plurality of reinforcing rods, improving the overall firmness.

[0016] As a further description of the above technical solution:

[0017] A switch box is fixedly connected to the front side of the operation table, and a dust-proof cover is rotatably connected to the front side of the switch box.

[0018] Through the above technical solution: The switch box can facilitate the simple operation and control of the operating equipment on the entire device.

[0019] As a further description of the above technical solution:

[0020] A storage box is slidably connected to the front side of the operation table, and a second handle is fixedly connected to the front side of the storage box.

[0021] Through the above technical solution: The storage box can facilitate the placement of tools required during work, making it convenient to use.

[0022] As a further description of the above technical solution:

[0023] Both the left and right sides of the bottom of the operation table are fixedly connected with support frames.

[0024] Through the above technical solution: The stability of the device is improved by the support frames.

[0025] As a further description of the above technical solution:

[0026] Both the bottoms of the two support frames are fixedly connected with a bottom plate.

[0027] Through the above technical solution: The bottom plate is installed at the bottom of the support frame, improving the firmness and wear resistance of the support frame.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the present utility model, the rotation adjustment bolt drives the moving seat to cooperate with the fixed seat to limit the blank, and at the same time, the rotation reinforcement bolt cooperates with the clamping plate to clamp and fix both ends of the blank. The servo motor is started to drive the blank on the turntable to rotate, so as to cooperate with the grinding equipment to perform a comprehensive grinding process on it. On the premise of ensuring the stability of the blank, the precision grinding and processing of the blank is improved.

[0030] 2. In the present utility model, when the grinding equipment moves left and right, the collecting cover is used to block the debris generated during grinding. At the same time, the large-particle debris falls into the collecting box through the feeding pipe, and the debris is collected. At the same time, the fan is started to suck the dust generated by grinding and discharge it into the filter box, improving the working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 is a three-dimensional schematic diagram of a single-axis automatic lathe for processing a needle valve seat proposed by the present utility model;

[0032] Figure 2 is an exploded view of a single-axis automatic lathe for processing a needle valve seat proposed by the present utility model;

[0033] Figure 3 is a structural schematic diagram of a collecting device of a single-axis automatic lathe for processing a needle valve seat proposed by the present utility model.

[0034] LEGEND DESCRIPTION:

[0035] 1. Operating table; 2. Collecting mechanism; 201. Collecting cover; 202. Sieve; 203. Output pipe; 204. Fan; 205. Connecting pipe; 206. Filter box; 207. Feeding pipe; 208. Collecting box; 209. Anti-slip sleeve; 210. Handle 1; 211. Reinforcing rod; 3. Fixed seat; 4. Adjustment bolt; 5. Moving seat; 6. Servo motor; 7. Turntable; 8. Connecting plate; 9. Sliding column; 10. Spring; 11. Top plate; 12. Chute; 13. Limiting plate; 14. Clamping plate; 15. Reinforcement bolt; 16. Switch box; 17. Dust-proof cover; 18. Storage box; 19. Handle 2; 20. Support frame; 21. Bottom plate; 22. Mover; 23. Grinding equipment. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0036] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0037] Refer to Figure 1and Figure 2 An embodiment provided by the present utility model: a single-axis automatic lathe for processing a needle valve seat, comprising an operation table 1, a grinding device 23 and a moving machine 22. A fixed seat 3 is fixedly connected to the left side of the top of the operation table 1. A regulating bolt 4 is threadedly connected to the right side of the operation table 1. A moving seat 5 is threadedly connected to the outer wall of the regulating bolt 4. A turntable 7 is rotatably connected to the adjacent sides of the moving seat 5 and the fixed seat 3. A connecting plate 8 is fixedly connected to the adjacent sides of the two turntables 7. A sliding column 9 is slidably connected to the adjacent sides of the two connecting plates 8. Springs 10 are fixedly connected to the outer walls of a plurality of sliding columns 9. A top plate 11 is fixedly connected to the adjacent ends of a plurality of sliding columns 9. A plurality of sliding grooves 12 are formed in the outer walls of the two turntables 7. A limiting plate 13 is slidably connected to the inside of each of the plurality of sliding grooves 12. A clamping plate 14 is fixedly connected to the adjacent sides of a plurality of limiting plates 13. A reinforcing bolt 15 is threadedly connected to the outer walls of the two turntables 7. The adjacent ends of a plurality of reinforcing bolts 15 penetrate through the outer walls of the turntables 7 and are rotatably connected to the opposite sides of the clamping plate 14. A servo motor 6 is fixedly connected to the left side of the fixed seat 3. The output end of the servo motor 6 penetrates through the left side of the fixed seat 3 and is fixedly connected to the left side of the turntable 7. A collecting mechanism 2 is arranged on the top of the operation table 1.

[0038] Specifically, a moving machine 22 is installed on the top of the operation table 1. The grinding device 23 is connected and installed through the moving machine 22, so that the grinding device 23 can move left and right on the moving machine 22, improving the precise grinding and processing of the blank. A fixed seat 3 is fixed to the left side of the top of the operation table 1. At the same time, a regulating bolt 4 is installed on the right side of the operation table 1, and the regulating bolt 4 is connected to the moving seat 5. Turntables 7 are installed between the moving seat 5 and the fixed seat 3. A connecting plate 8 is installed inside the turntable 7. A sliding column 9 is slidably installed inside the connecting plate 8. The other end of the sliding column 9 is fixed to the top plate 11. When the regulating bolt 4 is rotated to drive the moving seat 5 to cooperate with the fixed seat 3 to clamp the blank, the blank is extruded by the top plate 11. Sliding grooves 12 are formed in the outer wall of the turntable 7. The clamping plate 14 is connected through the reinforcing bolt 15. Limiting plates 13 are fixed on both sides of the clamping plate 14. The limiting plates 13 are installed in the sliding grooves 12. The blank is clamped and fixed by rotating the reinforcing bolt 15 in cooperation with the clamping plate 14. A servo motor 6 is installed on the left side of the fixed seat 3. The output end of the servo motor 6 penetrates through the fixed seat 3 and is fixed on the turntable 7. Starting the servo motor 6 can drive the blank on the turntable 7 to rotate, so as to cooperate with the grinding device 23 to perform comprehensive grinding on it.

[0039] Refer to Figure 1 and Figure 3, the collection mechanism 2 includes a collection cover 201. The rear side of the collection cover 201 is fixedly connected to the front side of the grinding device 23. A sieve 202 is fixedly connected inside the collection cover 201. The rear side of the collection cover 201 is communicated with an output pipe 203. The other end of the output pipe 203 is communicated with a blower 204. The output end of the blower 204 is communicated with a connecting pipe 205. The left end of the connecting pipe 205 is communicated with a filter box 206. The bottom of the collection cover 201 is communicated with a blanking pipe 207. The bottom of the blanking pipe 207 is slidably connected to a collection box 208. The front side of the collection box 208 is fixedly connected to a first handle 210. An anti-slip sleeve 209 is fixedly connected to the outer wall of the first handle 210. A plurality of reinforcing rods 211 are fixedly connected to both the left and right sides of the collection cover 201. The adjacent ends of the plurality of reinforcing rods 211 are fixedly connected to the left and right sides of the grinding device 23.

[0040] Specifically, a collection cover 201 is fixed to the front side of the grinding device 23. Through the collection cover 201, the debris generated during grinding can be blocked and collected at the same time. A blanking pipe 207 is communicated with the bottom of the collection cover 201. A collection box 208 is installed at the bottom of the blanking pipe 207. The debris is collected and processed by the collection box 208. At the same time, a sieve 202 is installed inside the collection cover 201. Through the sieve 202, the situation of tools falling can be avoided. An output pipe 203 is communicated with the rear side of the collection cover 201. The other end of the output pipe 203 is communicated with the blower 204. The output end of the blower 204 and the filter box 206 are communicated through a connecting pipe 205. The blower 204 is started to suck the dust generated by grinding and discharge it into the filter box 206, improving the working environment.

[0041] Refer to Figure 1 , a switch box 16 is fixedly connected to the front side of the operating table 1. A dust-proof cover 17 is rotatably connected to the front side of the switch box 16. A storage box 18 is slidably connected to the front side of the operating table 1. A second handle 19 is fixedly connected to the front side of the storage box 18. Support frames 20 are fixedly connected to both the left and right sides of the bottom of the operating table 1. The bottoms of the two support frames 20 are fixedly connected to a bottom plate 21.

[0042] Specifically, through the switch box 16, the operating equipment on the entire device can be conveniently and simply operated and controlled. The dust-proof cover 17 is installed on the front side of the switch box 16 to prevent dust from falling into the switch box 16, improving the service life of the switch box 16. The support frames 20 cooperate with the bottom plate 21 to improve the stability and firmness of the device.

[0043] Working principle: First, rotate the adjusting bolt 4 to drive the moving seat 5 to cooperate with the fixed seat 3 to limit the blank. At the same time, the top plate 11 squeezes the blank. Then, rotate the reinforcing bolt 15 to cooperate with the clamping plate 14 to clamp and fix both ends of the blank. Start the servo motor 6 to drive the blank on the turntable 7 to rotate, so as to cooperate with the grinding device 23 to perform comprehensive grinding on it. A moving machine 22 is installed on the top of the operating table 1. The moving machine 22 drives the grinding device 23 to move left and right, improving the precise grinding and processing of the blank. And a collection hood 201 is fixed on the front side of the grinding device 23. When the grinding device 23 moves left and right, the collection hood 201 can block the debris generated during grinding and collect the debris at the same time. The large-particle debris collected by the collection box 208 falls into the collection box 208 through the discharge pipe 207 to collect the debris. At the same time, start the fan 204 to suck the dust generated by grinding and discharge it into the filter box 206 to improve the working environment.

[0044] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A single-axis automatic lathe for machining a needle valve seat, comprising an operating table (1), a grinding device (23) and a moving machine (22), characterized in that: The top left side of the operating table (1) is fixedly connected to a fixed seat (3), the right side of the operating table (1) is threadedly connected to an adjusting bolt (4), the outer wall of the adjusting bolt (4) is threadedly connected to a movable seat (5), the adjacent sides of the movable seat (5) and the fixed seat (3) are rotatably connected to a turntable (7), the adjacent sides of the two turntables (7) are fixedly connected to a connecting plate (8), the adjacent sides of the two connecting plates (8) are slidably connected to a sliding column (9), the outer walls of the plurality of sliding columns (9) are fixedly connected to a spring (10), the adjacent ends of the plurality of sliding columns (9) are fixedly connected to a top plate (11), and the outer walls of the two turntables (7) are open. A plurality of slide grooves (12) are provided, the interiors of the plurality of slide grooves (12) are slidably connected to limit plates (13), adjacent sides of the plurality of limit plates (13) are fixedly connected to clamping plates (14), the outer walls of the two turntables (7) are threadedly connected to reinforcing bolts (15), adjacent ends of the plurality of reinforcing bolts (15) penetrate the outer wall of the turntable (7) and are rotatably connected to the opposite side of the clamping plate (14), the left side of the fixed seat (3) is fixedly connected to a servo motor (6), the output end of the servo motor (6) penetrates the left side of the fixed seat (3) and is fixedly connected to the left side of the turntable (7), and a collecting mechanism (2) is provided on the top of the operating table (1).

2. The single-axis automatic lathe for machining a needle valve seat according to claim 1, characterized in that: The collecting mechanism (2) comprises a collecting hood (201), the rear side of the collecting hood (201) is fixedly connected to the front side of the grinding device (23), the interior of the collecting hood (201) is fixedly connected with a leakage net (202), the rear side of the collecting hood (201) is connected with an output pipe (203), the other end of the output pipe (203) is connected with a fan (204), the output end of the fan (204) is connected with a connecting pipe (205), the left end of the connecting pipe (205) is connected with a filter box (206), the bottom of the collecting hood (201) is connected with a discharge pipe (207), and the bottom of the discharge pipe (207) is slidably connected with a collecting box (208).

3. The single-axis automatic lathe for machining a needle valve seat according to claim 2, characterized in that: A handle 1 (210) is fixedly connected to the front side of the collection box (208), and an anti-slip sleeve (209) is fixedly connected to the outer wall of the handle 1 (210).

4. The single-axis automatic lathe for machining a needle valve seat according to claim 2, characterized in that: A plurality of reinforcement rods (211) are fixedly connected to both left and right sides of the collection cover (201), and adjacent ends of the plurality of reinforcement rods (211) are fixedly connected to both left and right sides of the grinding device (23).

5. The single-axis automatic lathe for machining a needle valve seat according to claim 1, characterized in that: A switch box (16) is fixedly connected to the front side of the operating table (1), and a dust cover (17) is rotatably connected to the front side of the switch box (16).

6. The single-axis automatic lathe for machining a needle valve seat according to claim 1, characterized in that: The front side of the operating table (1) is slidably connected to a storage box (18), and the front side of the storage box (18) is fixedly connected to a second handle (19).

7. The single-axis automatic lathe for machining a needle valve seat according to claim 1, characterized in that: Support frames (20) are fixedly connected to both left and right sides of the bottom of the operating table (1).

8. The single-axis automatic lathe for machining a needle valve seat according to claim 7, characterized in that: The bottoms of the two support frames (20) are both fixedly connected to a bottom plate (21).

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