Valve body hole internal thread machining equipment

Abstract

The utility model relates to the technical field of valve body processing, in particular to valve body hole internal thread processing equipment, which provides a plurality of groups of processing stations through a rotating device, is convenient for an operator to fix and disassemble a workpiece, and enables the operator to complete the installation and disassembly of a valve body when the device performs thread processing on an inner hole of the valve body. The production efficiency of the device is improved; the position of the valve body is fixed through the fixing device, the position of the valve body in the moving process is limited through the limiting device, and the machining precision and practicability of the device are improved; comprising an internal thread machining device which is installed on a rack. Comprising a rotating device, a plurality of fixing devices and a limiting device, the fixing devices are installed on the rotating device, and the limiting device is installed on the fixing devices.

Description

Technical Field

[0001] The utility model relates to the technical field of valve body processing, in particular to a valve body hole internal thread processing device. Background Art

[0002] The valve body is a major component in the valve. There are different mechanical manufacturing methods according to the pressure level, such as casting, forging, etc. The function of the valve body is to control the flow. It can effectively withstand the medium pressure after forming a seal with the valve core and the valve seat seal ring. According to different process media, the material of the valve body is also different. Commonly used ones are cast iron, cast steel, stainless steel, carbon steel, plastic, copper, etc. The existence of the internal thread of the valve is to facilitate the connection of the valve to the pipeline or other equipment through screws or bolts. For occasions where the valve needs to be connected to the pipeline, it is usually necessary to process the internal thread.

[0003] The Chinese utility model patent with application number CN202220008144.1 in the prior art involves an internal thread processing device, including an internal thread processing device, a protective cover, a limit block, a positioning groove, a control rod, etc., which can solve the problem that when the existing internal thread processing device performs internal thread processing on the workpiece, the internal waste chips are easily squeezed and fly out, which can easily injure surrounding users.

[0004] However, in actual use, the above device requires an operator to fix the valve body before processing the internal threads. The valve body needs to be disassembled to complete the processing, resulting in reduced production efficiency of the equipment. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a plurality of processing stations through a rotating device, which is convenient for operators to fix and disassemble the workpiece, so that when the device is performing thread processing on the inner hole of the valve body, the operator can complete the installation and disassembly of the valve body, thereby improving the production efficiency of the device; the position of the valve body is fixed by a fixing device, and the position of the valve body during the movement is limited by a limiting device, thereby improving the processing accuracy and practicality of the device. A kind of internal thread processing equipment for valve body holes.

[0006] The utility model discloses a valve body hole internal thread processing equipment, comprising an internal thread processing device, which is installed on a frame; comprising a rotating device, multiple sets of fixing devices and a limiting device, wherein the fixing device is installed on the rotating device, and the limiting device is installed on the fixing device; multiple sets of processing stations are provided by the rotating device, which is convenient for operators to fix and disassemble the workpiece, so that when the device is performing thread processing on the valve body hole, the operator can complete the installation and disassembly of the valve body, thereby improving the production efficiency of the device; the position of the valve body is fixed by the fixing device, and the position of the valve body during movement is limited by the limiting device, thereby improving the processing accuracy of the device and the practicability of the device.

[0007] Preferably, the rotating device includes a base, a rotating shaft, a reduction motor, a worm and a turntable, a chamber is provided inside the base, a reduction motor is installed on the side of the base, an output end of the reduction motor passes through the base and enters into the base and is connected to the worm, the rotating shaft is connected to the upper part of the base through a bearing, the lower part of the rotating shaft extends into the base, the lower part of the rotating shaft is connected to a turbine structure and is meshed with the worm, a turntable is installed on the upper end surface of the rotating shaft, and one side of the turntable is located on the lower side of the internal thread processing device; turning on the reduction motor transmits power to the rotating shaft through the worm to drive the turntable to rotate, and cooperating with the fixing device to transport the workpiece to the lower part of the internal thread processing device, and providing multiple groups of workstations for the operator through the turntable, so that the device can be completed in the process of processing the valve, the fixing of the new valve and the removal of the processed valve, thereby improving the practicality of the device.

[0008] Preferably, the fixing device includes a fixed seat, an adjusting seat, a screw, a handwheel, a nut and a transverse platform, a fixed seat is installed on the upper end surface of the turntable, three groups of adjusting seats are evenly installed on the upper end surface of the fixed seat, a chamber is arranged in the adjusting seat, a rectangular hole is opened on the upper end surface of the adjusting seat, the rectangular hole is connected to the chamber in the adjusting seat, one end of the rectangular hole points to the center of a circle where the three groups of fixed seats are located, a screw is horizontally installed in the chamber in the adjusting seat, the nut is sleeved on the screw, the upper part of the nut is connected to the transverse platform, one end of the screw close to the outer side of the fixed seat passes through the fixed seat and extends to the outer side of the fixed seat, a handwheel is connected to the end surface of the screw located on the outer side of the fixed seat; power is transmitted to the nut through the screw by rotating the handwheel to drive the transverse platform to move forward and backward, thereby fixing the position of the valve body.

[0009] Preferably, it also includes a fixing claw and a first fastening bolt. A limiting groove is opened on the side surface of the transverse moving platform close to the center direction of the fixed seat. A limiting block is arranged on the rear end surface of the fixing claw and is inserted into the limiting groove of the transverse moving platform through the limiting block. A first fastening bolt is connected to the upper end surface of the transverse moving platform, and the lower end surface of the first fastening bolt extends to the inside of the limiting groove of the transverse moving platform. By selecting different fixing claws to cooperate with the fixing device to fix valve bodies of different models, the device can adapt to different valve body fixations, and the fixing claw is fixed by the first fastening bolt.

[0010] Preferably, it also includes a handle, and the handle is installed on the handwheel through a bearing; the handle facilitates the operator to quickly adjust the fixing device, thereby reducing the labor intensity of the operator.

[0011] Preferably, the limiting device includes a support seat, a limiting light rod, a sleeve, a supporting platform and a second fastening bolt. The upper end surface of the fixing seat is provided with a circular groove, and the bottom of the circular groove is connected to the support seat by bolts. The limiting light rod is installed on the upper end surface of the support seat, the sleeve is sleeved on the limiting light rod and can move on the sleeve, and multiple groups of supporting platforms are provided on the upper end surface of the sleeve, and the second fastening bolt is installed on the side of the sleeve; when fixing the valve body, the limiting light rod is inserted into the other port of the valve body, and the height of the sleeve is adjusted according to the model of the valve body. The other port of the valve body is supported by multiple groups of supporting platforms, and the position of the sleeve on the limiting light rod is fixed by the second fastening bolt. The multiple groups of supporting platforms prevent the limiting light rod from directly contacting the internal structure of the valve body, which causes the sealing of the valve body to be reduced, thereby improving the practicability of the device.

[0012] Preferably, it also includes an electric cylinder, a positioning block and a limit seat, an electric cylinder is installed on the upper end surface of the base, the electric cylinder is located at the lower side of the internal thread processing device, a positioning block is installed on the movable end of the electric cylinder, and multiple groups of limit seats are installed on the lower end surface of the turntable, and limiting grooves are opened on the lower end surfaces of the limit seats, and the multiple groups of limit seats are respectively located on the lower sides of the multiple groups of fixing devices; when the optional device moves the fixing device equipped with the valve body to the lower side of the internal thread processing device, the electric cylinder is controlled to extend so that the positioning block extends upward to the limiting groove on the lower end surface of the limiting seat, thereby providing an upward supporting force for the turntable to reduce the influence of the device's own vibration on the processing accuracy during the valve body processing, and at the same time limit the position of the fixing device to prevent the influence of the movement error of the rotating device on the workpiece processing.

[0013] Compared with the prior art, the utility model has the following beneficial effects: a plurality of processing stations are provided through the rotating device, which is convenient for the operator to fix and disassemble the workpiece, so that when the device is performing thread processing on the inner hole of the valve body, the operator can complete the installation and disassembly of the valve body, thereby improving the production efficiency of the device; the position of the valve body is fixed by the fixing device, and the position of the valve body during movement is limited by the limiting device, thereby improving the processing accuracy and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0015] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0016] Figure 3 It is a partial enlarged structural schematic diagram of the utility model;

[0017] Figure 4 It is a third axonometric structural schematic diagram of the utility model;

[0018] Figure 5It is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Markings in the attached drawings: 1. internal thread processing device; 2. base; 3. rotating shaft; 4. reduction motor; 5. worm; 6. turntable; 7. fixed seat; 8. adjustment seat; 9. lead screw; 10. hand wheel; 11. nut; 12. transverse platform; 13. fixing claw; 14. first fastening bolt; 15. handle; 16. support seat; 17. limiting rod; 18. sleeve; 19. supporting platform; 20. second fastening bolt; 21. electric cylinder; 22. positioning block; 23. limiting seat. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The fixing device shown is mounted on the rotating device;

[0023] First, put the non-processed port of the valve body on the limiting polished rod 17, adjust the height of the sleeve 18 according to the model of the valve body, provide support for the other port of the valve body through multiple sets of support platforms 19, and fix the position of the sleeve 18 on the limiting polished rod 17 through the second fastening bolt 20. Then the operator turns the hand wheel 10 to transmit the power to the nut 11 through the screw 9 to drive the transverse platform 12 to move toward the valve body, and fix the position of the valve body through the multiple sets of fixed claws 13 on the transverse platform 12. After the valve body is fixed, turn on the reduction motor 4 to transmit the power to the rotating shaft 3 through the worm 5 to drive the turntable 6 to rotate, so as to move the fixing device with the valve body to the lower side of the internal thread processing device 1, and the internal thread processing device 1 can be used to perform thread processing on the inner hole of the valve body;

[0024] The rotating device includes a base 2, a rotating shaft 3, a reduction motor 4, a worm 5 and a turntable 6. A chamber is provided inside the base 2. The reduction motor 4 is installed on the side of the base 2. The output end of the reduction motor 4 passes through the base 2 and enters the inside of the base 2 to be connected with the worm 5. The rotating shaft 3 is connected with the upper part of the base 2 through a bearing. The lower part of the rotating shaft 3 extends into the inside of the base 2. The lower part of the rotating shaft 3 is connected with a turbine structure and meshed with the worm 5. A turntable 6 is installed on the upper end surface of the rotating shaft 3. One side of the turntable 6 is located at the lower side of the internal thread processing device 1.

[0025] The fixing device comprises a fixing seat 7, an adjusting seat 8, a lead screw 9, a hand wheel 10, a nut 11 and a transverse platform 12. The fixing seat 7 is installed on the upper end surface of the turntable 6. Three groups of adjusting seats 8 are evenly installed on the upper end surface of the fixing seat 7. A chamber is arranged in the adjusting seat 8. A rectangular hole is opened on the upper end surface of the adjusting seat 8. The rectangular hole is communicated with the chamber in the adjusting seat 8. One end of the rectangular hole points to the center of the circle where the three groups of fixing seats 7 are located. A lead screw 9 is horizontally installed in the inner chamber of the adjusting seat 8. The nut 11 is sleeved on the lead screw 9. The upper part of the nut 11 is connected to the transverse platform 12. One end of the lead screw 9 close to the outer side of the fixing seat 7 passes through the fixing seat 7 and extends to the outer side of the fixing seat 7. The end surface of the lead screw 9 located on the outer side of the fixing seat 7 is connected to the hand wheel 10.

[0026] It also includes a fixing claw 13 and a first fastening bolt 14. A limiting groove is formed on the side of the lateral platform 12 close to the center direction of the fixed seat 7. A limiting block is provided on the rear end surface of the fixing claw 13 and inserted into the limiting groove of the lateral platform 12 through the limiting block. The upper end surface of the lateral platform 12 is connected with a first fastening bolt 14, and the lower end surface of the first fastening bolt 14 extends to the inside of the limiting groove of the lateral platform 12.

[0027] It also includes a handle 15, and the handle 15 is mounted on the hand wheel 10 through a bearing;

[0028] The rotating device provides multiple processing stations, which is convenient for operators to fix and disassemble the workpiece. When the device is threading the hole in the valve body, the operator can complete the installation and disassembly of the valve body, thereby improving the production efficiency of the device; the position of the valve body is fixed by the fixing device.

[0029] Example 2

[0030] The improvement is based on the first embodiment, and includes a limiting device, which is installed on the rotating device;

[0031] The position of the valve body during movement is limited by the limit device, which improves the processing accuracy and practicality of the device;

[0032] When fixing the valve body, the position limiting rod 17 is inserted into the other port of the valve body, the height of the sleeve 18 is adjusted according to the model of the valve body, and the other port of the valve body is supported by multiple sets of support platforms 19. The position of the sleeve 18 on the position limiting rod 17 is fixed by the second fastening bolt 20. The multiple sets of support platforms 19 prevent the position limiting rod 17 from directly contacting the internal structure of the valve body, which reduces the sealing performance of the valve body, thereby improving the practicality of the device;

[0033] The limiting device includes a support seat 16, a limiting light rod 17, a sleeve 18, a support platform 19 and a second fastening bolt 20. A circular groove is provided on the upper end surface of the fixed seat 7, and the bottom of the circular groove is connected to the support seat 16 by bolts. The limiting light rod 17 is installed on the upper end surface of the support seat 16, and the sleeve 18 is mounted on the limiting light rod 17 and can move on the sleeve 18. Multiple groups of support platforms 19 are provided on the upper end surface of the sleeve 18, and a second fastening bolt 20 is installed on the side of the sleeve 18.

[0034] like Figures 1 to 5 As shown, the utility model is a valve body hole internal thread processing equipment. When it is working, the non-processed port of the valve body is firstly placed on the limiting light rod 17, and the height of the sleeve 18 is adjusted according to the model of the valve body. The other port of the valve body is supported by multiple sets of support platforms 19, and the position of the sleeve 18 on the limiting light rod 17 is fixed by the second fastening bolt 20. Then the operator turns the hand wheel 10 to transmit the power to the nut 11 through the screw 9 to drive the transverse moving platform 12 to move toward the valve body, and the position of the valve body is fixed by the fixing claws 13 on the multiple sets of transverse moving platforms 12. After the valve body is fixed, the reduction motor 4 is turned on to transmit the power to the rotating shaft 3 through the worm 5 to drive the turntable 6 to rotate, thereby moving the fixing device with the valve body to the lower side of the internal thread processing device 1, and at the same time controlling the electric cylinder 21 to extend so that the positioning block 22 extends upward to the limiting groove on the lower end face of the limiting seat 23, and then the inner hole of the valve body is threaded by the internal thread processing device 1.

[0035] The reduction motor 4 and the electric cylinder 21 of the valve body hole internal thread processing equipment of the utility model are purchased on the market, and the technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0036] 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 valve body hole internal thread processing device, comprising an internal thread processing device (1); characterized in that: The invention comprises a rotating device, a plurality of fixing devices and a limiting device, wherein the fixing device is mounted on the rotating device, and the limiting device is mounted on the fixing device; the rotating device comprises a base (2), a rotating shaft (3), a reduction motor (4), a worm (5) and a turntable (6); a chamber is arranged inside the base (2); a reduction motor (4) is mounted on the side of the base (2); an output end of the reduction motor (4) passes through the base (2) and enters the inside of the base (2) to be connected with the worm (5); the rotating shaft (3) is connected with the upper part of the base (2) through a bearing; the lower part of the rotating shaft (3) extends into the inside of the base (2); the lower part of the rotating shaft (3) is connected with a turbine structure and meshes with the worm (5); a turntable (6) is mounted on the upper end surface of the rotating shaft (3); one side of the turntable (6) is located at the lower side of the internal thread processing device (1).

2. A valve body hole internal thread processing device as claimed in claim 1, characterized in that: The fixing device comprises a fixing seat (7), an adjusting seat (8), a lead screw (9), a hand wheel (10), a nut (11) and a transverse platform (12). The fixing seat (7) is installed on the upper end surface of the turntable (6). Three groups of adjusting seats (8) are evenly installed on the upper end surface of the fixing seat (7). A chamber is arranged in the adjusting seat (8). A rectangular hole is opened on the upper end surface of the adjusting seat (8). The rectangular hole is communicated with the chamber in the adjusting seat (8). One end of the rectangular hole points to the center of the circle where the three groups of fixing seats (7) are located. A lead screw (9) is horizontally installed in the chamber in the adjusting seat (8). The nut (11) is sleeved on the lead screw (9). The upper part of the nut (11) is connected to the transverse platform (12). One end of the lead screw (9) close to the outer side of the fixing seat (7) passes through the fixing seat (7) and extends to the outer side of the fixing seat (7). The hand wheel (10) is connected to the end surface of the lead screw (9) located on the outer side of the fixing seat (7).

3. The valve body hole internal thread processing equipment according to claim 2, characterized in that: It also includes a fixing claw (13) and a first fastening bolt (14); a limiting groove is opened on the side surface of the transverse moving platform (12) close to the center direction of the fixed seat (7); a limiting block is arranged on the rear end surface of the fixing claw (13) and is inserted into the limiting groove of the transverse moving platform (12) through the limiting block; the first fastening bolt (14) is connected to the upper end surface of the transverse moving platform (12); and the lower end surface of the first fastening bolt (14) extends to the inside of the limiting groove of the transverse moving platform (12).

4. The valve body hole internal thread processing equipment according to claim 2, characterized in that: It also comprises a handle (15), and the handle (15) is mounted on the hand wheel (10) via a bearing.

5. The valve body hole internal thread processing equipment according to claim 1, characterized in that: The limiting device comprises a support seat (16), a limiting rod (17), a sleeve (18), a support platform (19) and a second fastening bolt (20); a circular groove is arranged on the upper end surface of the fixing seat (7); the bottom of the circular groove is connected to the support seat (16) by bolts; a limiting rod (17) is installed on the upper end surface of the support seat (16); the sleeve (18) is mounted on the limiting rod (17) and can move on the sleeve (18); a plurality of support platforms (19) are arranged on the upper end surface of the sleeve (18); and a second fastening bolt (20) is installed on the side surface of the sleeve (18).

6. The valve body hole internal thread processing equipment according to claim 5, characterized in that: The invention also comprises an electric cylinder (21), a positioning block (22) and a limiting seat (23); the electric cylinder (21) is mounted on the upper end surface of the base (2); the electric cylinder (21) is located at the lower side of the internal thread processing device (1); the positioning block (22) is mounted on the movable end of the electric cylinder (21); a plurality of groups of limiting seats (23) are mounted on the lower end surface of the rotating disk (6); limiting grooves are formed on the lower end surface of the limiting seats (23); and the plurality of groups of limiting seats (23) are respectively located at the lower sides of the plurality of groups of fixing devices.

Images