Automatic flanging device for pipe fittings

Abstract

The utility model discloses an automatic pipe fitting flanging device, relates to the technical field of pipe fitting manufacturing, and aims to solve the technical problem that the extrusion flanging width is limited due to the fact that an extrusion part structure of an existing extrusion type automatic pipe fitting flanging device is fixed in size and inconvenient to adjust in width. A mounting seat is fixedly arranged on the upper surface of the bottom plate through a linear motor, an opening assembly and a pressing assembly are leftwards mounted in the mounting seat, and a clamp corresponding to the opening assembly in position is fixedly arranged on the upper surface of the bottom plate; by designing the mounting base, the opening assembly and the pressing assembly, the range of opening a pipe fitting can be adjusted, so that the width of a turned edge can be adjusted conveniently, and the opening angle of a plurality of extrusion plates can be adjusted conveniently through the cooperation of the fixing rod, the connecting block, the adjusting rod, the supporting rod, the adjusting piece and the push-pull piece. The utility model has the advantages that the opening width of the pipe orifice can be flexibly adjusted, and the device is suitable for flangings with different widths.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe fitting production, and more specifically to an automatic flanging device for pipe fittings. Background Art

[0002] Flanging is a type of stamping process. There are many types of flanging, and the classification methods are also different. According to the deformation properties, it can be divided into elongation flanging and compression flanging.

[0003] The existing automatic flanging device for extruded pipe fittings usually fixes the pipe fitting in position with a clamp first, and then punches the protruding side end of the pipe fitting through an extrusion structure to achieve the flanging effect. However, the size of the extrusion part on the extrusion structure currently used is generally fixed, so that only a single width of flanging can be completed when flanging the pipe fitting, resulting in low flexibility in the use of the structure and inconvenience in adjusting the flanging width of the pipe fitting. Therefore, a flanging device that can automatically adjust the extrusion flanging width is needed. In view of this, we propose an automatic flanging device for pipe fittings. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art, meet actual needs, and provide an automatic flanging device for pipe fittings to solve the technical problem that the extrusion part structure of the current automatic flanging device for extruded pipe fittings is fixed in size, which is not convenient for adjusting the width and leads to limited width size of the extruded flanging.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: an automatic flanging device for pipe fittings, comprising a bottom plate, a mounting seat is fixedly provided on the upper surface of the bottom plate through a linear motor, a spreading component and a pressing component are installed to the left inside the mounting seat, and a clamp corresponding to the position of the spreading component is fixedly provided on the upper surface of the bottom plate;

[0006] The expansion assembly includes a first electric push rod installed in a mounting seat, a fixing rod is fixedly provided on the telescopic end of the first electric push rod, a connecting piece is installed on the side end of the fixing rod, a plurality of adjusting rods are rotatably installed on the connecting piece via a connecting shaft, a supporting rod is movably installed on the rod wall of the adjusting rod via a connecting shaft, the other ends of the plurality of supporting rods are rotatably installed with adjusting pieces combined with the fixing rod via a connecting shaft, extrusion plates are fixedly provided on the rod walls of the plurality of adjusting rods, and a push-pull piece is fixedly provided on the side of the adjusting piece close to the mounting seat.

[0007] The utility model can adjust the range of the expanded pipe fitting by designing the mounting seat, the expanding assembly and the pressing assembly, thereby facilitating the adjustment of the width of the flanging; the cooperation of the fixing rod, the connecting block, the adjusting rod, the supporting rod, the adjusting member and the push-pull member can conveniently adjust the opening angle of a plurality of extrusion plates; the cooperation with the first electric push rod can conveniently expand the pipe opening; then the cooperation of the third electric push rod and the pressing assembly can flatten the position of the expanded pipe fitting, thereby achieving the effect of automatic flanging; the cooperation of the overall structure solves the problem of inconvenient adjustment of the extruded flanging width, thereby improving the effect of structural cooperation.

[0008] Preferably, the push-pull member includes a plurality of connecting rods fixed on the adjusting member, a plurality of adjusting plates of the connecting rods, and the plate walls of the adjusting plates are penetrated by through holes corresponding to the fixing rods, and a second electric push rod connected to the mounting seat is fixed on the side of the adjusting plate.

[0009] Preferably, the extrusion member includes a plurality of third electric push rods installed in the mounting seat, a circular pressure plate is fixedly connected between the telescopic ends of the plurality of third electric push rods, and a circular groove is penetrated through the plate wall of the circular pressure plate.

[0010] Preferably, a plurality of the extrusion plates are arranged on the adjusting rod in a ring array, the surface of the extrusion plate is an arc surface, and the extrusion plate is connected to the adjusting rod via a fixing block.

[0011] Preferably, a strip groove combined with the connecting shaft is formed on the rod wall of the adjusting rod, and side surfaces at both ends of the strip groove are semicircular arc surfaces adapted to the connecting shaft.

[0012] Preferably, a plurality of through grooves are formed through the plate wall of the circular pressure plate, and the narrow side length of the through grooves is greater than the narrow side length of the extrusion plate, and the plurality of through grooves correspond to the positions of the plurality of extrusion plates.

[0013] Preferably, a movable limit piece is provided on the mounting frame of the clamp, and the limit piece comprises a threaded rod threadedly connected to the mounting frame, and a limit round block adaptably connected to the clamping groove is fixedly provided on one end of the threaded rod close to the clamping groove on the clamp.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model can adjust the range of the expanded pipe fitting by designing the mounting seat, the expansion assembly and the pressing assembly, so as to facilitate the adjustment of the width of the flanging. The cooperation of the fixing rod, the connecting block, the adjusting rod, the supporting rod, the adjusting member and the push-pull member can conveniently adjust the opening angle of several extrusion plates. The first electric push rod can be used to conveniently expand the pipe opening, and then the third electric push rod and the pressing assembly can be used to flatten the position of the expanded pipe fitting, so as to achieve the effect of automatic flanging. The overall structural cooperation solves the problem of inconvenient adjustment of the extruded flanging width, and improves the effect of structural cooperation.

[0016] 2. The utility model can also increase the moving range of the pressing component by opening a through groove on the circular pressure plate, thereby facilitating the pressing component to move to the outer side of the expansion component, thereby increasing the diversity of expansion width adjustment, enhancing the effect of structural coordination, and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a partial structural schematic diagram of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the support assembly in the utility model;

[0020] Figure 4 It is a schematic diagram of the structural decomposition of the support assembly in the utility model;

[0021] Figure 5 It is a structural schematic diagram of the pressing component in the utility model;

[0022] Figure 6 It is an enlarged schematic diagram of the structure of part A in the utility model;

[0023] Figure 7 The utility model is a plane schematic diagram of a usage state.

[0024] Explanation of the numbers in the figure: 1. Base plate; 2. Mounting seat; 3. Spreading assembly; 301. First electric push rod; 302. Fixing rod; 303. Connecting block; 304. Adjusting rod; 305. Strip groove; 306. Support rod; 307. Adjusting member; 308. Extrusion plate; 309. Push-pull member; 3091. Connecting rod; 3092. Adjusting plate; 3093. Second electric push rod; 4. Pressing assembly; 401. Third electric push rod; 402. Circular pressure plate; 403. Circular groove; 404. Through groove; 5. Clamp; 6. Limiting member; 601. Threaded rod; 602. Limiting circular block. DETAILED DESCRIPTION

[0025] like Figures 1 to 7 As shown, the utility model relates to an automatic flanging device for pipe fittings, comprising a base plate 1, a mounting seat 2 is fixedly provided on the upper surface of the base plate 1 by a linear motor, an opening component 3 and a pressing component 4 are installed to the left inside the mounting seat 2, and a clamp 5 corresponding to the position of the opening component 3 is fixedly provided on the upper surface of the base plate 1; the linear motor is a prior art structure, fixed on the fixed plate, and at the same time, a stamping part is also arranged on the side of the mounting seat 2, which is composed of a hydraulic cylinder and a stamping plate, and can further stamp the flanging surface after pressing the pipe fitting to improve the flanging effect, the arrangement of the opening component 3 can facilitate the opening of the pipe fitting, and the pressing component 4 can be used to extrude and flatten the opened part, and the arrangement of the clamp 5 can limit the pipe fitting to reduce the probability of displacement during extrusion.

[0026] The expansion assembly 3 includes a first electric push rod 301 installed in the mounting seat 2, a fixed rod 302 is fixed on the telescopic end of the first electric push rod 301, a plurality of connecting blocks 303 are fixed on the side ends of the fixed rod 302, a plurality of adjusting rods 304 are rotatably installed on the plurality of connecting blocks 303 through connecting shafts, a support rod 306 is movably installed on the rod wall of the adjusting rod 304 through the connecting shaft, and the other ends of the plurality of supporting rods 306 are rotatably installed with adjusting members 307 combined with the fixed rod 302 through the connecting shaft, and a plurality of squeezing plates 308 are fixed on the rod walls of the plurality of adjusting rods 304, and the adjusting members 307 are close to the adjusting members 307. A push-pull member 309 is fixedly provided on one side of the mounting base 2; the fixing rod 302 and the adjusting rod 304 cooperate with the connecting shaft through the connecting block 303, so that the adjusting rod 304 can be easily flipped to adjust the angle; the movable rotatable connection between the adjusting rod 304 and the supporting rod 306 can change the connection position while adjusting the angle; the limit of the adjusting member 307 can conveniently adjust the unfolding angle of several adjusting rods 304, so that the opening and closing angle of the extrusion plate 308 can be adjusted, which is convenient for supporting operations of different widths of pipe fittings; the adjusting member 307 can move on the outside of the fixing rod 302 under the support of the push-pull member 309.

[0027] In an embodiment of the utility model, the push-pull member 309 includes a plurality of connecting rods 3091 fixed on the adjusting member 307, and an adjusting plate 3092 of the plurality of connecting rods 3091, and the plate wall of the adjusting plate 3092 is penetrated with a through hole corresponding to the fixed rod 302, and a second electric push rod 3093 connected to the mounting seat 2 is fixed on the side of the adjusting plate 3092; through the cooperation, the lateral movement of the adjusting member 307 can be controlled.

[0028] In an embodiment of the utility model, the pressing assembly 4 includes a plurality of third electric push rods 401 installed in the mounting base 2, a circular pressure plate 402 is fixedly connected between the telescopic ends of the plurality of third electric push rods 401, and a circular groove 403 is penetrated through the plate wall of the circular pressure plate 402; the circular pressure plate 402 can facilitate the movement of the star under the control of the third electric push rod 401, and the setting of the circular groove 403 does not affect the movement outside the fixed rod 302.

[0029] In an embodiment of the utility model, a plurality of extrusion plates 308 are arranged on the adjusting rod 304 in a circular array. The surface of the extrusion plate 308 is an arc surface, and the extrusion plate 308 and the adjusting rod 304 are connected by a fixed block. The setting of the arc surface and the arrangement of the circular array can increase the contact area with the inner wall of the pipe fitting, improve the uniformity of the extrusion force, and facilitate the expansion operation.

[0030] In an embodiment of the utility model, a strip groove 305 combined with the connecting shaft is opened on the rod wall of the adjusting rod 304, and the side surfaces at both ends of the strip groove 305 are semicircular arc surfaces adapted to the connecting shaft; the setting of the strip groove 305 facilitates the support rod 306 to adjust the position of the connection with the adjusting rod 304 when adjusting the angle, and the setting of the semicircular arc surface can increase the moving distance of the connecting shaft.

[0031] In an embodiment of the utility model, a plurality of through grooves 404 are opened through the plate wall of the circular pressure plate 402, and the narrow side length of the through grooves 404 is greater than the narrow side length of the extrusion plate 308, and the plurality of through grooves 404 correspond to the positions of the plurality of extrusion plates 308; the arrangement of the through grooves 404 can facilitate the passage of the extrusion plate 308, and facilitates the movement of the circular pressure plate 402 on the outside of the extrusion plate 308, which can improve the flexibility of position adjustment.

[0032] In an embodiment of the utility model, a movable limit member 6 is provided on the mounting frame of the clamp 5, and the limit member 6 includes a threaded rod 601 threadedly connected to the mounting frame, and one end of the threaded rod 601 close to the clamping groove on the clamp 5 is fixedly provided with a limit round block 602 adapted to be connected to the clamping groove; through the setting of the limit member 6, the position of the pipe can be limited when the flange width of the pipe is adjusted, and the clamp 5 can conveniently clamp and fix the position of the pipe through the cooperation of the mounting frame, the hydraulic lever and the two clamps.

[0033] Working principle: This embodiment provides an automatic flanging device for pipe fittings. When in use, first place the pipe fittings in a fixed position between the clamps 5, and then adjust the opening width of the opening assembly 3 according to the required flanging width. The second electric push rod 3093 can be started to control the adjustment member 307 to move outside the fixed rod 302, so that the support rod 306, the adjustment rod 304 and the connecting block 303 can be rotated to open a plurality of extrusion plates 308, so as to achieve the extrusion width required for flanging. Then, the third electric push rod 401 can be used to adjust the circular pressing plate 402 to the position aligned with the extrusion plate 308. 8 corresponding position, after completion, the expansion component 3 and the pressing component 4 can be moved synchronously by starting the first electric push rod 301 and the third electric push rod 401, and the pipe mouth of the pipe fitting can be flattened under the extrusion of the pressing component 4 after the expansion component 3 expands the pipe mouth. After completion, the two are reset, and then the stamping part is moved to the pipe mouth position under the operation of the linear motor, so that the pipe wall after flanging can be further flattened, thereby improving the quality of flanging and completing the flanging operation. Through the coordination of the overall structure, the use needs of different flanging widths can be met according to the adjustment of different pipe mouths, and the use effect of the structural coordination can be improved.

[0034] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. An automatic flanging device for pipe fittings, characterized in that: It comprises a base plate (1), a mounting seat (2) is fixedly provided on the upper surface of the base plate (1) via a linear motor, an opening component (3) and a pressing component (4) are installed to the left inside the mounting seat (2), and a clamp (5) corresponding to the position of the opening component (3) is fixedly provided on the upper surface of the base plate (1); The expansion assembly (3) comprises a first electric push rod (301) installed in the mounting seat (2), a fixed rod (302) being fixedly provided on the telescopic end of the first electric push rod (301), a plurality of connecting blocks (303) being fixedly provided on the side ends of the fixed rod (302), a plurality of adjusting rods (304) being rotatably installed on the plurality of connecting blocks (303) via connecting shafts, a supporting rod (306) being movably installed on the rod wall of the adjusting rod (304) via connecting shafts, an adjusting member (307) being rotatably installed on the other ends of the plurality of supporting rods (306) via connecting shafts and being combined with the fixed rod (302), an extrusion plate (308) being fixedly provided on the rod wall of the plurality of adjusting rods (304), and a push-pull member (309) being fixedly provided on the side of the adjusting member (307) close to the mounting seat (2).

2. The automatic flanging device for pipe fittings according to claim 1, characterized in that: The push-pull member (309) comprises a plurality of connecting rods (3091) fixed on the adjusting member (307), and a plurality of adjusting plates (3092) of the connecting rods (3091), and the plate wall of the adjusting plate (3092) is penetrated by holes corresponding to the fixing rods (302), and a second electric push rod (3093) connected to the mounting seat (2) is fixed on the side of the adjusting plate (3092).

3. The automatic flanging device for pipe fittings according to claim 1, characterized in that: The pressing assembly (4) comprises a plurality of third electric push rods (401) installed in the mounting seat (2), a circular pressing plate (402) is fixedly connected between the telescopic ends of the plurality of third electric push rods (401), and a circular groove (403) is penetrated through the plate wall of the circular pressing plate (402).

4. The automatic flanging device for pipe fittings according to claim 1, characterized in that: A plurality of the extrusion plates (308) are arranged on the adjustment rod (304) in a circular array manner, the surface of the extrusion plates (308) is an arc surface, and the extrusion plates (308) are connected to the adjustment rod (304) via a fixing block.

5. The automatic flanging device for pipe fittings according to claim 3, characterized in that: The rod wall of the adjusting rod (304) is provided with a strip groove (305) coupled with the connecting shaft, and the side surfaces at both ends of the strip groove (305) are semicircular arc surfaces adapted to the connecting shaft.

6. The automatic flanging device for pipe fittings according to claim 3, characterized in that: A plurality of through grooves (404) are formed through the plate wall of the circular pressing plate (402), and the narrow side length of the through grooves (404) is greater than the narrow side length of the extrusion plate (308), and the positions of the plurality of through grooves (404) and the plurality of extrusion plates (308) correspond.

7. The automatic flanging device for pipe fittings according to claim 1, characterized in that: A movable limiting member (6) is provided on the mounting frame of the clamp (5), wherein the limiting member (6) comprises a threaded rod (601) threadedly connected to the mounting frame, and a limiting round block (602) adapted to be connected to the clamping groove is fixedly provided at one end of the threaded rod (601) close to the clamping groove on the clamp (5).

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