Corrugated pipe extrusion die core with small extrusion pressure

Abstract

The utility model relates to the technical field of dies, in particular to a corrugated pipe extrusion die core with small extrusion pressure, which comprises a base, the inner bottom wall of the base is fixedly connected with the bottom of a forming mechanism, the inner bottom wall of the base is fixedly connected with the bottom of a rotating mechanism, and the forming mechanism consists of four supporting legs, a lower die, a die core body and an upper die. The rotating mechanism comprises a rotating motor, a sleeve, a lead screw and a gasket, one end of the rotating mechanism is in transmission connection with one end of the transmission mechanism through a bevel gear, the rotating sleeve rotates through the sleeve, the rotating sleeve drives a transmission rod to rotate through the bevel gear, the rotating transmission rod drives a connecting rod to rotate through the bevel gear, and the rotating connecting rod drives a transmission block to rotate; friction force generated by contact of the surface of the transmission block and the surface of the vibration block enables the spring to be stressed and extruded through the sleeve rod, and when the surface of the transmission block does not make contact with the surface of the vibration block, the spring pops up elastically to generate vibration, so that demolding is facilitated, and working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a corrugated pipe extrusion mold core with low extrusion pressure. Background Art

[0002] A mold core, as the name suggests, refers to a precision component used for critical operations at the center of a mold. Mold cores are typically extremely complex, challenging to manufacture, and expensive, with labor costs often significantly exceeding the material itself. The choice of core material directly impacts both the mold's cost and lifespan. Cores include wire drawing cores, ceramic cores, vacuum cores, exhaust cores, and automotive component cores.

[0003] Currently, most corrugated pipe extrusion die cores on the market have streamlined structures. However, when producing corrugated pipes, the extrusion pressure increases significantly, the wall thickness is uneven, it is difficult to adjust to a qualified state, and the product is easily damaged during demolding. Therefore, a new type of corrugated pipe extrusion die core with low extrusion pressure is needed. Utility Model Content

[0004] The purpose of the present utility model is to provide a corrugated pipe extrusion die core with low extrusion pressure, so as to solve the problem that the corrugated pipe extrusion die core structure is a streamlined die core proposed in the above background technology. However, when producing corrugated pipes, the extrusion pressure increases significantly, and the wall thickness is uneven, which is not easy to adjust to a qualified state, and the product is easily damaged during demoulding. In order to achieve the above purpose, the present utility model provides the following technical solution: a corrugated pipe extrusion die core with low extrusion pressure, comprising a base, the inner bottom wall of the base is fixedly connected to the bottom of a molding mechanism, the inner bottom wall of the base is fixedly connected to the bottom of a rotating mechanism, the molding mechanism is composed of four supporting legs, a lower mold, a core body and an upper mold, and the rotating mechanism includes a rotating motor, a sleeve, a screw and a gasket.

[0005] One end of the rotating mechanism is connected to one end of the transmission mechanism through a bevel gear, and one side of the transmission mechanism is movably abutted against one side of the vibration mechanism. The transmission mechanism is composed of a transmission rod, a fixed block, a connecting rod, a support block and a transmission block, and the vibration mechanism includes a vibration block, a sleeve rod, a spring and a limit pad.

[0006] Preferably, the base includes four feet, an extrusion box body and a box door, the tops of the four feet are fixedly connected to the bottom of the extrusion box body, and the inner wall of the extrusion box body is rotatably connected to the outer wall of the box door.

[0007] Preferably, the bottoms of the four support legs are fixedly connected to the inner bottom wall of the extrusion box body, and the tops of the four support legs are fixedly connected to the bottom of the lower mold, the inner wall of the lower mold is movably abutted against the outer wall of the core body, and the outer wall of the core body is movably abutted against the inner wall of the upper mold.

[0008] Preferably, the bottom of the rotating motor is fixedly connected to the inner bottom wall of the extrusion box body, and one end of the rotating motor is fixedly connected to one end of the sleeve through a coupling, the inner wall of the sleeve is threadedly connected to the outer wall of the screw rod, and the top of the screw rod is fixedly connected to the bottom of the gasket, and a bevel gear is provided on the outer wall of the sleeve near the bottom end.

[0009] Preferably, the outer walls of both ends of the transmission rod are provided with bevel gears, and the outer wall of one end of the transmission rod is transmission-connected to the outer wall of the sleeve near the bottom end through the bevel gear, the outer wall of the transmission rod is rotatably connected to the inner wall of the fixed block, and the bottom of the fixed block is fixedly connected to the inner bottom wall of the extrusion box body, the outer wall of one end of the connecting rod is provided with a bevel gear, and the outer wall of the other end of the transmission rod is transmission-connected to the outer wall of one end of the connecting rod through the bevel gear, the outer wall of the connecting rod is rotatably connected to the inner wall of the support block, and the bottom of the support block is fixedly connected to the inner bottom wall of the extrusion box body, and one end of the connecting rod is fixedly connected to one side of the transmission block.

[0010] Preferably, one side of the vibration block is movably abutted against one side of the transmission block, and one side of the vibration block is fixedly connected to one side of the sleeve rod, the outer wall of the sleeve rod is movably sleeved with the inner wall of the spring, and the other end of the sleeve rod is fixedly connected to one end of the limit pad.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] In the utility model, the sleeve rotates, and the rotating sleeve drives the transmission rod to rotate through the bevel gear. The rotating transmission rod drives the connecting rod to rotate through the bevel gear. The rotating connecting rod drives the transmission block to rotate. The friction force generated by the contact between the surface of the transmission block and the surface of the vibration block causes the spring to be squeezed through the sleeve rod. When the surface of the transmission block is no longer in contact with the surface of the vibration block, the spring elastically pops out to generate vibration, thereby facilitating demoulding and improving work efficiency.

[0013] In the utility model, by starting the rotating motor, the rotating motor drives the sleeve to rotate, the rotating sleeve drives the screw rod to move vertically, the vertically moving screw rod drives the gasket to move vertically, and the vertical movement of the gasket drives the core body to move vertically. By adjusting the position of the core body, the gap between the lower mold and the upper mold and the core body can be adjusted, thereby improving the ovality of the corrugated tube, thereby reducing the extrusion force and improving the production quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3It is an exploded view of the utility model;

[0017] Figure 4 It is a structural diagram of the vibration mechanism in the utility model.

[0018] In the figure: 1. Base; 101. Bottom foot; 102. Extrusion box body; 103. Box door; 2. Molding mechanism; 201. Support leg; 202. Lower mold; 203. Core body; 204. Upper mold; 3. Rotating mechanism; 301. Rotating motor; 302. Sleeve; 303. Screw; 304. Gasket; 4. Transmission mechanism; 401. Transmission rod; 402. Fixed block; 403. Connecting rod; 404. Support block; 405. Transmission block; 5. Vibration mechanism; 501. Vibration block; 502. Sleeve rod; 503. Spring; 504. Limit pad. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0020] See also Figures 1 to 4 The utility model provides a technical solution: a corrugated pipe extrusion die core with low extrusion pressure, comprising a base 1, the inner bottom wall of the base 1 is fixedly connected to the bottom of a forming mechanism 2, the inner bottom wall of the base 1 is fixedly connected to the bottom of a rotating mechanism 3, the forming mechanism 2 is composed of four supporting legs 201, a lower mold 202, a core body 203 and an upper mold 204, the rotating mechanism 3 includes a rotating motor 301, a sleeve 302, a screw 303 and a gasket 304;

[0021] One end of the rotating mechanism 3 is connected to one end of the transmission mechanism 4 through a bevel gear, and one side of the transmission mechanism 4 is movably abutted against one side of the vibration mechanism 5. The transmission mechanism 4 is composed of a transmission rod 401, a fixed block 402, a connecting rod 403, a support block 404 and a transmission block 405. The vibration mechanism 5 includes a vibration block 501, a sleeve rod 502, a spring 503 and a limit pad 504.

[0022] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, the base 1 includes four feet 101, an extrusion box body 102 and a box door 103. The tops of the four feet 101 are fixedly connected to the bottom of the extrusion box body 102, and the inner wall of the extrusion box body 102 is rotatably connected to the outer wall of the box door 103. The four feet 101 increase stability.

[0023] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the bottoms of the four support legs 201 are fixedly connected to the inner bottom wall of the extrusion box body 102, and the tops of the four support legs 201 are fixedly connected to the bottom of the lower mold 202. The inner wall of the lower mold 202 is movably abutted against the outer wall of the core body 203, and the outer wall of the core body 203 is movably abutted against the inner wall of the upper mold 204. The position of the core body 203 can be adjusted, so that the gap between the lower mold 202 and the upper mold 204 and the core body 203 can be adjusted, thereby improving the ovality of the corrugated tube, reducing the extrusion force, and improving the production quality of the product.

[0024] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the bottom of the rotating motor 301 is fixedly connected to the inner bottom wall of the extrusion box body 102, and one end of the rotating motor 301 is fixedly connected to one end of the sleeve 302 through a coupling, the inner wall of the sleeve 302 is threadedly connected to the outer wall of the screw rod 303, and the top of the screw rod 303 is fixedly connected to the bottom of the gasket 304, and a bevel gear is provided on the outer wall of the sleeve 302 near the bottom end. By starting the rotating motor 301, the rotating motor 301 drives the sleeve 302 to rotate, the rotating sleeve 302 drives the screw rod 303 to move vertically, and the vertically moving screw rod 303 drives the gasket 304 to move vertically.

[0025] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, the outer walls of both ends of the transmission rod 401 are provided with bevel gears, and the outer wall of one end of the transmission rod 401 is connected to the outer wall of the sleeve 302 near the bottom end through the bevel gear, the outer wall of the transmission rod 401 is rotatably connected to the inner wall of the fixed block 402, and the bottom of the fixed block 402 is fixedly connected to the inner bottom wall of the extrusion box body 102, the outer wall of one end of the connecting rod 403 is provided with a bevel gear, and the outer wall of the other end of the transmission rod 401 is connected to the outer wall of one end of the connecting rod 403 through the bevel gear. Transmission connection, the outer wall of the connecting rod 403 is rotatably connected to the inner wall of the support block 404, and the bottom of the support block 404 is fixedly connected to the inner bottom wall of the extrusion box body 102, one end of the connecting rod 403 is fixedly connected to one side of the transmission block 405, and rotates through the sleeve 302. The rotating sleeve 302 drives the transmission rod 401 to rotate through the bevel gear, and the rotating transmission rod 401 drives the connecting rod 403 to rotate through the bevel gear, and the rotating connecting rod 403 drives the transmission block 405 to rotate.

[0026] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, one side of the vibration block 501 is movably abutted against one side of the transmission block 405, and one side of the vibration block 501 is fixedly connected to one side of the sleeve rod 502, the outer wall of the sleeve rod 502 is movably sleeved with the inner wall of the spring 503, and the other end of the sleeve rod 502 is fixedly connected to one end of the limit pad 504, and the friction force generated by the contact between the surface of the transmission block 405 and the surface of the vibration block 501 causes the spring 503 to be squeezed by the sleeve rod 502. When the surface of the transmission block 405 is no longer in contact with the surface of the vibration block 501, the spring 503 elastically pops out to generate vibration, thereby facilitating demoulding and improving work efficiency.

[0027] The use method and advantages of the utility model: When the corrugated pipe extrusion die core with low extrusion pressure is working, the working process is as follows:

[0028] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, by starting the rotating motor 301, the rotating motor 301 drives the sleeve 302 to rotate, the rotating sleeve 302 drives the screw rod 303 to move vertically, the vertically moving screw rod 303 drives the gasket 304 to move vertically, and the vertical movement of the gasket 304 drives the core body 203 to move vertically. By adjusting the position of the core body 203, the gap between the lower mold 202 and the upper mold 204 and the core body 203 can be adjusted, thereby improving the ovality of the corrugated tube, thereby reducing the extrusion force and improving the production quality of the product. The sleeve 302 rotates, and the rotating sleeve 302 drives the transmission rod 401 to rotate through the bevel gear. The rotating transmission rod 401 drives the connecting rod 403 to rotate through the bevel gear. The rotating connecting rod 403 drives the transmission block 405 to rotate. The friction force generated by the contact between the surface of the transmission block 405 and the surface of the vibration block 501 causes the spring 503 to be squeezed through the sleeve rod 502. When the surface of the transmission block 405 is no longer in contact with the surface of the vibration block 501, the spring 503 elastically pops out to generate vibration, thereby facilitating demoulding and improving work efficiency.

[0029] The above shows and describes the basic principles, main features, and advantages of the present invention. Persons skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A bellows extrusion die core with low extrusion pressure, comprising a base (1), characterized in that: The inner bottom wall of the base (1) is fixedly connected to the bottom of the forming mechanism (2), and the inner bottom wall of the base (1) is fixedly connected to the bottom of the rotating mechanism (3). The forming mechanism (2) is composed of four supporting legs (201), a lower mold (202), a mold core body (203) and an upper mold (204). The rotating mechanism (3) includes a rotating motor (301), a sleeve (302), a screw (303) and a gasket (304). One end of the rotating mechanism (3) is connected to one end of the transmission mechanism (4) through a bevel gear, and one side of the transmission mechanism (4) is movably abutted against one side of the vibration mechanism (5). The transmission mechanism (4) is composed of a transmission rod (401), a fixed block (402), a connecting rod (403), a support block (404) and a transmission block (405). The vibration mechanism (5) includes a vibration block (501), a sleeve rod (502), a spring (503) and a limit pad (504).

2. The corrugated pipe extrusion die core with low extrusion pressure according to claim 1, characterized in that: The base (1) comprises four feet (101), an extrusion box body (102) and a box door (103), the tops of the four feet (101) are fixedly connected to the bottom of the extrusion box body (102), and the inner wall of the extrusion box body (102) is rotatably connected to the outer wall of the box door (103).

3. The corrugated pipe extrusion die core with low extrusion pressure according to claim 2, characterized in that: The bottoms of the four support legs (201) are fixedly connected to the inner bottom wall of the extrusion box body (102), and the tops of the four support legs (201) are fixedly connected to the bottom of the lower mold (202), the inner wall of the lower mold (202) is movably abutted against the outer wall of the core body (203), and the outer wall of the core body (203) is movably abutted against the inner wall of the upper mold (204).

4. The corrugated pipe extrusion die core with low extrusion pressure according to claim 3, characterized in that: The bottom of the rotating motor (301) is fixedly connected to the inner bottom wall of the extrusion box body (102), and one end of the rotating motor (301) is fixedly connected to one end of the sleeve (302) through a coupling. The inner wall of the sleeve (302) is threadedly connected to the outer wall of the screw rod (303), and the top of the screw rod (303) is fixedly connected to the bottom of the gasket (304). A bevel gear is provided on the outer wall of the sleeve (302) near the bottom end.

5. The corrugated pipe extrusion die core with low extrusion pressure according to claim 4, characterized in that: The outer walls of both ends of the transmission rod (401) are provided with bevel gears, and the outer wall of one end of the transmission rod (401) is transmission-connected to the outer wall of the sleeve (302) near the bottom end through the bevel gear, the outer wall of the transmission rod (401) is rotationally connected to the inner wall of the fixed block (402), and the bottom of the fixed block (402) is fixedly connected to the inner bottom wall of the extrusion box body (102), the outer wall of one end of the connecting rod (403) is provided with a bevel gear, and the outer wall of the other end of the transmission rod (401) is transmission-connected to the outer wall of one end of the connecting rod (403) through the bevel gear, the outer wall of the connecting rod (403) is rotationally connected to the inner wall of the support block (404), and the bottom of the support block (404) is fixedly connected to the inner bottom wall of the extrusion box body (102), and one end of the connecting rod (403) is fixedly connected to one side of the transmission block (405).

6. The corrugated pipe extrusion die core with low extrusion pressure according to claim 5, characterized in that: One side of the vibration block (501) is movably abutted against one side of the transmission block (405), and one side of the vibration block (501) is fixedly connected to one side of the sleeve rod (502); the outer wall of the sleeve rod (502) is movably sleeved with the inner wall of the spring (503), and the other end of the sleeve rod (502) is fixedly connected to one end of the limit pad (504).

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