Machining device for producing bottom shell of pressure regulator

Abstract

The invention relates to the technical field of pressure regulators, and particularly discloses a processing device for producing a bottom shell of a pressure regulator, which comprises a base in a circular ring shape; the adjusting seat is in a circular ring shape and is mounted on the inner ring of the base; the at least three positioning heads are uniformly distributed along the circumferential direction of the adjusting seat; the magnetic attraction piece is arranged at the top end of the positioning head and is used for performing magnetic attraction positioning on the bottom surface of the pressure regulator bottom shell; the bottom face of the bottom shell is fixed through the magnetic attraction piece and the suction cup on the positioning head, the clamping area is concentrated on the bottom face of the bottom shell, key machining areas such as peripheral flange edges, sealing faces and mounting holes are completely avoided, the outer ring, the inner ring and the side face of the bottom shell are completely exposed, all-round machining can be completed in one-time clamping, and the machining efficiency is improved. The annular structure of the base and the adjusting base ensures that the middle area is completely open, and precision machining of a complex cavity in the bottom shell is adapted.

Description

Technical Field

[0001] The invention belongs to the technical field of pressure regulators, and particularly relates to a processing device for producing a bottom shell of a pressure regulator. Background Art

[0002] As a core pressure-bearing component of fluid control systems such as gas and hydraulic pressure, the processing quality of the bottom shell of a pressure regulator directly affects the sealing performance, reliability and service life of the pressure regulator. The structures of such parts usually have the following characteristics: multi-sided complex cavities, high-precision sealing surfaces, dense hole systems and thin-wall flange structures. During machining, multiple areas such as the bottom surface, side surface, top surface and inner cavity need to be processed.

[0003] After retrieval, the publication number CN119658556A discloses a production and processing device for a bottom shell of a pressure regulator, including a workbench. A clamping and centering mechanism and a processing and grinding mechanism are arranged on the workbench. A baffle is fixedly connected to the top of the workbench. A hydraulic cylinder I is fixedly connected to the rear side of the baffle. The output shaft of the hydraulic cylinder I slidably penetrates through the baffle. A slider I is fixedly connected to the output shaft of the hydraulic cylinder I. An inner die is arranged above the slider I. The inner die is fixedly connected to the workbench. A support I is arranged above the inner die. The support I is fixedly connected to the workbench. A hydraulic cylinder II is fixedly connected to the top of the support I.

[0004] The clamping and positioning of the bottom shell of a pressure regulator generally adopt a general processing device. However, the clamping area of the existing processing device usually occupies the key processing positions on the outer periphery of the bottom shell, resulting in the area to be processed being blocked by the fixture in a circle and unable to achieve full-area processing. The thin-wall feature of the bottom shell of a pressure regulator further exacerbates the clamping contradiction. If peripheral rigid clamping is adopted, the clamping force is likely to cause deformation of the bottom shell of the pressure regulator. Summary of the Invention

[0005] The purpose of the invention is to provide a processing device for producing a bottom shell of a pressure regulator to solve the problems put forward in the above background art.

[0006] To achieve the above purpose, the invention provides the following technical solutions:

[0007] A processing device for producing a bottom shell of a pressure regulator, including:

[0008] A base, in a circular ring shape;

[0009] An adjusting seat, in a circular ring shape, and the adjusting seat is installed on the inner ring of the base;

[0010] At least three positioning heads, evenly distributed along the circumferential direction of the adjusting seat, and each positioning head includes;

[0011] A magnetic attracting member, arranged at the top end of the positioning head, and used for magnetically positioning the bottom surface of the bottom shell of the pressure regulator;

[0012] The suction cup is arranged at the top end of the positioning head, and the adsorption direction of the suction cup is towards the bottom surface of the pressure regulator bottom shell, and is used for vacuum adsorption and fixation of the bottom surface of the pressure regulator bottom shell.

[0013] Preferably, at least three grooves are formed at the top of the adjusting seat, and the positioning head is installed in the grooves.

[0014] Preferably, an external thread is provided on the outer ring of the adjusting seat, an internal thread is provided on the inner ring of the base, and the external thread of the adjusting seat and the internal thread of the base form a screw pair. When the adjusting seat rotates relative to the base, the adjusting seat generates a displacement along the axial direction.

[0015] Preferably, a wedge-shaped inclined surface is provided at the bottom of the positioning head, and the inclination direction of the wedge-shaped inclined surface forms an acute angle with the radial plane of the adjusting seat. An annular supporting surface matching with the wedge-shaped inclined surface is formed at the edge of the inner ring of the base;

[0016] When the adjusting seat rotates and axially descends, a radial component force is generated at the contact point between the wedge-shaped inclined surface and the annular supporting surface, driving the positioning head to move linearly along the inner wall of the groove, and the positioning head synchronously approaches or moves away from the center of the adjusting seat.

[0017] Preferably, fixing blocks are installed on the inner wall of the groove, and moving grooves are formed on the side surface of the positioning head, and the fixing blocks are installed in the moving grooves.

[0018] Preferably, a first elastic member is installed on one side of the fixing block, and one end of the first elastic member is connected to the inner wall of the groove.

[0019] Preferably, the number of magnetic attraction members is two, and the suction cup is arranged between the two magnetic attraction members.

[0020] Preferably, the positioning head further includes:

[0021] A connecting groove is formed at the top end of the positioning head;

[0022] A moving plate is installed in the connecting groove, and the suction cup is installed on the moving plate.

[0023] Preferably, a second elastic member is installed on the bottom wall of the connecting groove, and one end of the second elastic member is installed at the bottom of the moving plate;

[0024] The suction cup is higher than the top surfaces of the two magnetic attraction members in the non-adsorption state.

[0025] Preferably, exhaust channels are connected to both sides of the bottom end of the connecting groove, and multiple groups of air outlet holes are formed inside the magnetic attraction members, and the exhaust channels are connected to the air outlet holes in communication.

[0026] Compared with the prior art, the beneficial effects of the present invention are:

[0027] The present invention fixes the bottom surface of the bottom shell through the magnetic components and suckers on the positioning head. The clamping area is concentrated on the bottom surface of the bottom shell, completely avoiding key processing areas such as the flange edge, sealing surface, and mounting holes on the outer periphery. The outer ring, inner ring, and side surface of the bottom shell are completely exposed, and full-circle processing can be completed in one clamping. The annular structures of the base and the adjusting seat ensure that the middle area is completely open, suitable for the precision processing of the complex cavity inside the bottom shell.

[0028] The adjusting seat is matched with the base through threads. When rotating, the axial movement drives the radial contraction or expansion of the positioning head, and the distance between the positioning heads can be finely adjusted. It can adapt to different sizes of the bottom shell of the voltage regulator without replacing the fixture, and can also blow off impurities such as dust adsorbed on the bottom shell of the voltage regulator to achieve a cleaning effect. Brief Description of the Drawings

[0029] Figure 1 is a three-dimensional structure schematic diagram of the present invention;

[0030] Figure 2 is a three-dimensional structure schematic diagram of another perspective of the present invention;

[0031] Figure 3 is a structure schematic diagram of the base, adjusting seat, and positioning head of the present invention;

[0032] Figure 4 is a schematic cross-sectional view of the base of the present invention;

[0033] Figure 5 is a structure schematic diagram of the adjusting seat and positioning head of the present invention;

[0034] Figure 6 is a structure schematic diagram of the adjusting seat of the present invention;

[0035] Figure 7 is a structure schematic diagram of the positioning head of the present invention;

[0036] Figure 8 is a schematic cross-sectional view of the positioning head of the present invention;

[0037] Figure 9 is a partial cross-sectional view of the present invention.

[0038] In the figure: 100, base; 200, adjusting seat; 201, groove; 202, fixing block; 300, positioning head; 301, moving groove; 302, first elastic member; 303, magnetic component; 304, sucker; 305, connecting groove; 306, moving plate; 307, second elastic member; 308, exhaust passage; 309, air outlet. Detailed Description of the Invention

[0039] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0040] Embodiment 1:

[0041] Referring to Figures 1 - 8 , a processing device for producing a voltage regulator bottom shell includes: a base 100, which is annular; an adjusting seat 200, which is annular, and the adjusting seat 200 is installed in the inner ring of the base 100; at least three positioning heads 300, which are evenly distributed along the circumferential direction of the adjusting seat 200, and each positioning head 300 includes: a magnetic attraction member 303, which is arranged at the top of the positioning head 300 and is used for magnetically positioning the bottom surface of the voltage regulator bottom shell; a suction cup 304, which is arranged at the top of the positioning head 300, and the adsorption direction of the suction cup 304 is the bottom surface of the voltage regulator bottom shell, and is used for vacuum adsorption and fixation of the bottom surface of the voltage regulator bottom shell.

[0042] In this embodiment, both the base 100 and the adjusting seat 200 are annular. After the voltage regulator bottom shell is fixed by the positioning head 300, the outer ring and the inner ring of the voltage regulator bottom shell will not be blocked, and processing operations can be carried out in the middle areas of the base 100 and the adjusting seat 200. Moreover, the voltage regulator base 100 can be pre-placed in the inner ring of the base 100, and then the voltage regulator bottom shell can be placed on the adjusting seat 200, which is convenient for installing and processing the voltage regulator base 100 and the voltage regulator bottom shell.

[0043] When the voltage regulator bottom shell is placed, the magnetic attraction member 303 first adsorbs the bottom surface of the voltage regulator bottom shell to achieve initial positioning. Press the voltage regulator bottom shell downward so that the bottom shell presses the magnetic attraction member 303 until the bottom surface of the bottom shell contacts the magnetic attraction member 303, and the magnetic attraction member 303 adsorbs the bottom shell to achieve double fixation. The magnetic attraction member 303 uses a strong magnet sheet or a samarium-cobalt magnet block can also be used.

[0044] Referring to Figure 6 , at least three grooves 201 are provided at the top of the adjusting seat 200, and the positioning heads 300 are installed in the grooves 201.

[0045] Referring to Figure 3 and Figure 4 , an external thread is provided on the outer ring of the adjusting seat 200, and an internal thread is provided on the inner ring of the base 100. The external thread of the adjusting seat 200 and the internal thread of the base 100 form a screw pair. When the adjusting seat 200 rotates relative to the base 100, the adjusting seat 200 generates a displacement along the axial direction.

[0046] Referring to Figure 4, a wedge-shaped inclined surface is provided at the bottom of the positioning head 300. The inclination direction of the wedge-shaped inclined surface forms an acute angle with the radial plane of the adjusting seat 200. An annular supporting surface that cooperates with the wedge-shaped inclined surface is formed at the inner ring edge of the base 100; when the adjusting seat 200 rotates and axially descends, the contact point between the wedge-shaped inclined surface and the annular supporting surface generates a radial component force, driving the positioning head 300 to move linearly along the inner wall of the groove 201, and the positioning head 300 synchronously approaches or moves away from the center of the adjusting seat 200.

[0047] When the adjusting seat 200 rotates, the screw pair converts the circumferential rotational motion into an axial linear motion (descending when rotating clockwise and ascending when rotating counterclockwise), providing a power source for the radial movement of the positioning head 300. By using the rotation of the adjusting seat 200, the movement of several positioning heads 300 can be controlled simultaneously, enabling the respective positioning seats to synchronously approach or move away from the center of the adjusting seat 200, and different sizes of the bottom shell of the voltage regulator can be adapted.

[0048] Refer to Figure 5 and Figure 7 , a fixing block 202 is installed on the inner wall of the groove 201, a moving groove 301 is formed on the side surface of the positioning head 300, and the fixing block 202 is installed in the moving groove 301; a first elastic member 302 is installed on one side of the fixing block 202, and one end of the first elastic member 302 is connected to the inner wall of the groove 201.

[0049] During the movement of the positioning head 300, the fixing block 202 moves relative to the positioning head 300 in the moving groove 301, the first elastic member 302 is compressed or stretched, and the first elastic member 302 deforms and can provide a displacement force for the positioning head 300. That is, when the adjusting seat 200 moves upward, the positioning head 300 can always be in contact with the base 100 under the drive of the first elastic member 302. The first elastic member 302 can be a spring or an elastic block.

[0050] Refer to Figure 7 , the number of magnetic attracting members 303 is two, a suction cup 304 is arranged between the two magnetic attracting members 303, and the suction cup 304 is higher than the top surfaces of the two magnetic attracting members 303 in the non-adsorbed state.

[0051] Refer to Figure 8 , the positioning head 300 further includes: a connecting groove 305 formed at the top end of the positioning head 300; a moving plate 306 installed in the connecting groove 305, and the suction cup 304 is installed on the moving plate 306. A second elastic member 307 is installed on the bottom wall of the connecting groove 305, and one end of the second elastic member 307 is installed at the bottom of the moving plate 306.

[0052] The second elastic member 307 is a spring or can also be an elastic block. After the suction cup 304 is squeezed, it drives the moving plate 306 to move within the connecting groove 305. The moving plate 306 squeezes the second elastic member 307, causing the second elastic member 307 to deform and provide a displacement force for the moving plate 306.

[0053] Embodiment 2:

[0054] Refer to Figures 1 - 9 , a processing device for producing a voltage regulator bottom shell, comprising: a base 100, which is circular ring-shaped; an adjusting seat 200, which is circular ring-shaped, and the adjusting seat 200 is installed in the inner ring of the base 100; at least three positioning heads 300, which are evenly distributed along the circumferential direction of the adjusting seat 200, and each positioning head 300 includes; a magnetic attracting member 303, which is arranged at the top of the positioning head 300 and is used for magnetically attracting and positioning the bottom surface of the voltage regulator bottom shell; a suction cup 304, which is arranged at the top of the positioning head 300, and the adsorption direction of the suction cup 304 is the bottom surface of the voltage regulator bottom shell, and is used for vacuum adsorbing and fixing the bottom surface of the voltage regulator bottom shell.

[0055] In this embodiment, both the base 100 and the adjusting seat 200 are circular ring-shaped. After the voltage regulator bottom shell is fixed using the positioning head 300, the outer ring and the inner ring of the voltage regulator bottom shell will not be blocked, and processing operations can be carried out in the middle area of the base 100 and the adjusting seat 200. Moreover, the voltage regulator base 100 can be pre-placed in the inner ring of the base 100, and then the voltage regulator bottom shell can be placed on the adjusting seat 200, which is convenient for installing and processing the voltage regulator base 100 and the voltage regulator bottom shell.

[0056] When the voltage regulator bottom shell is placed, the magnetic attracting member 303 first adsorbs the bottom surface of the voltage regulator bottom shell to achieve initial positioning. Press the voltage regulator bottom shell downward so that the bottom shell presses the magnetic attracting member 303 until the bottom surface of the bottom shell contacts the magnetic attracting member 303, and the magnetic attracting member 303 adsorbs the bottom shell to achieve double fixation. The magnetic attracting member 303 can be a strong magnet sheet or can also be a samarium-cobalt magnet block.

[0057] Refer to Figure 6 , at least three grooves 201 are opened at the top of the adjusting seat 200, and the positioning head 300 is installed in the grooves 201.

[0058] Refer to Figure 3 and Figure 4 , an external thread is provided on the outer ring of the adjusting seat 200, an internal thread is provided on the inner ring of the base 100, and the external thread of the adjusting seat 200 and the internal thread of the base 100 form a screw pair. When the adjusting seat 200 rotates relative to the base 100, the adjusting seat 200 generates a displacement along the axial direction.

[0059] Refer to Figure 4, a wedge-shaped inclined surface is provided at the bottom of the positioning head 300, and the inclination direction of the wedge-shaped inclined surface forms an acute angle with the radial plane of the adjusting seat 200. An annular support surface that cooperates with the wedge-shaped inclined surface is formed at the inner ring edge of the base 100; when the adjusting seat 200 rotates and axially descends, a radial component force is generated at the contact point between the wedge-shaped inclined surface and the annular support surface, driving the positioning head 300 to move linearly along the inner wall of the groove 201, and the positioning head 300 synchronously approaches or moves away from the center of the adjusting seat 200.

[0060] When the adjusting seat 200 rotates, the screw pair converts the circumferential rotational motion into an axial linear motion (descending when rotating clockwise and ascending when rotating counterclockwise), providing a power source for the radial movement of the positioning head 300. By using the rotation of the adjusting seat 200, the movement of several positioning heads 300 can be controlled simultaneously, enabling the respective positioning seats to synchronously approach or move away from the center of the adjusting seat 200, and different sizes of the bottom shell of the voltage regulator can be adapted.

[0061] Refer to Figure 5 and Figure 7 , a fixing block 202 is installed on the inner wall of the groove 201, a moving groove 301 is formed on the side surface of the positioning head 300, and the fixing block 202 is installed in the moving groove 301; a first elastic member 302 is installed on one side of the fixing block 202, and one end of the first elastic member 302 is connected to the inner wall of the groove 201.

[0062] During the movement of the positioning head 300, the fixing block 202 moves relative to the positioning head 300 in the moving groove 301, the first elastic member 302 is compressed or stretched, and the first elastic member 302 deforms and can provide a displacement force for the positioning head 300. That is, when the adjusting seat 200 moves upward, the positioning head 300 can always be in contact with the base 100 under the drive of the first elastic member 302. The first elastic member 302 can be a spring or an elastic block.

[0063] Refer to Figure 7 , the number of magnetic attraction members 303 is two, a suction cup 304 is arranged between the two magnetic attraction members 303, and the suction cup 304 is higher than the top surfaces of the two magnetic attraction members 303 in the non-adsorbed state.

[0064] Refer to Figure 8 , the positioning head 300 further includes: a connection groove 305, which is opened at the top end of the positioning head 300; a moving plate 306, which is installed in the connection groove 305, and the suction cup 304 is installed on the moving plate 306. A second elastic member 307 is installed on the bottom wall of the connection groove 305, and one end of the second elastic member 307 is installed at the bottom of the moving plate 306.

[0065] The second elastic member 307 is a spring or can also be an elastic block. After the suction cup 304 is squeezed, it drives the moving plate 306 to move in the connecting groove 305. The moving plate 306 squeezes the second elastic member 307, and the second elastic member 307 deforms and provides a displacement force for the moving plate 306.

[0066] Referring to Figure 9 , exhaust channels 308 are connected to both sides of the bottom end of the connecting groove 305. A plurality of groups of air outlet holes 309 are formed inside the magnetic attracting member 303. The exhaust channels 308 are connected to the air outlet holes 309 in a communicating manner. The moving plate 306 is arranged as a piston block. When the moving plate 306 moves inside the connecting groove 305, the air inside the connecting groove 305 can be compressed into the exhaust channels 308 and discharged from the air outlet holes 309, and the bottom end surface of the pressure regulator bottom shell is blown, so that the dust and other impurities adsorbed on its surface can be blown away, avoiding affecting the tight fit between the suction cup 304 and the bottom surface of the bottom shell, and also avoiding the adsorption of dust and other impurities between the magnetic attracting member 303 and the bottom surface of the bottom shell, and realizing a simple cleaning function; further, a corresponding group of air outlet holes 309 close to the suction cup 304 can be set to be inclined and aligned directly above the suction cup 304, which is further beneficial for the group of air outlet holes 309 to blow up the bottom end surface of the pressure regulator bottom shell located directly above the suction cup 304 to achieve the cleaning function.

[0067] The working principle and usage process of the present invention:

[0068] Rotate the adjusting seat 200 counterclockwise to the highest axial position. Under the pulling force of the first elastic member 302, the positioning head 300 moves radially outward along the groove 201 to the maximum diameter. The positioning head 300 is pre-adjusted according to the size of the bottom shell. Rotate the adjusting seat 200 clockwise, and it axially descends through the screw pair. The wedge-shaped inclined surface contacts the annular supporting surface of the base 100, and drives the positioning head 300 to radially contract to the target position. Place the pressure regulator bottom shell vertically above the adjusting seat 200, align the center of the bottom surface of the bottom shell with the suction cup 304 of the positioning head 300, and manually press the bottom shell downward. The bottom surface of the bottom shell presses the suction cup 304, so that the moving plate 306 descends in the connecting groove 305 against the resistance of the second elastic member 307, and the suction cup 304 is tightly attached to the bottom surface of the bottom shell. Continuously press the bottom shell until its bottom surface completely contacts the top surface of the magnetic attracting member 303. The magnetic attracting member 303 firmly fixes the central area of the bottom shell at the top end of the positioning head 300. The suction cup 304 and the magnetic attracting member 303 form a double fixing structure of edge elastic support and central magnetic adsorption. Check whether the outer ring, inner ring and flange edge of the bottom shell are completely exposed, and confirm that multi-process machining of the bottom surface, side surface, inner cavity, etc. can be completed in one clamping.

[0069] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A processing device for producing a voltage regulator bottom shell, characterized in that Comprising: A base (100), in a circular ring shape; An adjustment base (200), in a circular ring shape, and the adjustment base (200) is installed on the inner ring of the base (100); At least three positioning heads (300), evenly distributed along the circumferential direction of the adjustment base (200), and each positioning head (300) includes; A magnetic attracting member (303), arranged at the top end of the positioning head (300), for magnetically attracting and positioning the bottom surface of the voltage regulator bottom case; A suction cup (304), arranged at the top end of the positioning head (300), and the adsorption direction of the suction cup (304) is the bottom surface of the voltage regulator bottom case, for vacuum adsorption and fixation of the bottom surface of the voltage regulator bottom case.

2. The processing device for producing the pressure regulator bottom shell according to claim 1, wherein: At least three grooves (201) are formed at the top of the adjustment base (200), and the positioning heads (300) are installed in the grooves (201).

3. The processing device for producing the pressure regulator bottom shell according to claim 2, characterized in that: An external thread is provided on the outer ring of the adjustment base (200), and an internal thread is provided on the inner ring of the base (100). The external thread of the adjustment base (200) and the internal thread of the base (100) form a screw pair. When the adjustment base (200) rotates relative to the base (100), the adjustment base (200) generates a displacement along the axial direction.

4. The processing device for producing the pressure regulator bottom shell according to claim 3, characterized in that: A wedge-shaped inclined surface is provided at the bottom of the positioning head (300), and the inclination direction of the wedge-shaped inclined surface forms an acute angle with the radial plane of the adjustment base (200). An annular supporting surface is formed at the edge of the inner ring of the base (100) to cooperate with the wedge-shaped inclined surface; When the adjustment base (200) rotates and axially descends, the contact point between the wedge-shaped inclined surface and the annular supporting surface generates a radial component force, driving the positioning head (300) to move linearly along the inner wall of the groove (201), and the positioning head (300) synchronously approaches or moves away from the center of the adjustment base (200).

5. The processing device for producing the pressure regulator bottom shell according to claim 4, characterized in that: A fixing block (202) is installed on the inner wall of the groove (201), a moving groove (301) is formed on the side surface of the positioning head (300), and the fixing block (202) is installed in the moving groove (301).

6. The processing device for producing a voltage regulator bottom shell according to claim 5, characterized in that: A first elastic member (302) is installed on one side of the fixing block (202), and one end of the first elastic member (302) is connected to the inner wall of the groove (201).

7. The processing device for producing the pressure regulator bottom shell according to claim 6, characterized in that: The number of the magnetic attracting members (303) is two, and the suction cup (304) is arranged between the two magnetic attracting members (303).

8. The processing device for producing the pressure regulator bottom shell according to claim 7, characterized in that: The positioning head (300) further includes: A connecting groove (305), formed at the top end of the positioning head (300); A moving plate (306), installed in the connecting groove (305), and the suction cup (304) is installed on the moving plate (306).

9. The processing device for producing the pressure regulator bottom shell according to claim 8, characterized in that: A second elastic member (307) is installed on the bottom wall of the connecting groove (305), and one end of the second elastic member (307) is installed at the bottom of the moving plate (306); The suction cup (304) is higher than the top surface of the two magnetic attracting members (303) in the non-adsorbed state.

10. The processing device for producing the pressure regulator bottom shell according to claim 9, characterized in that: Exhaust channels (308) are connected to both sides of the bottom end of the connecting groove (305), and a plurality of groups of air outlet holes (309) are formed inside the magnetic attracting member (303), and the exhaust channels (308) are communicated with the air outlet holes (309).

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