Automatic extrusion equipment for PVC (polyvinyl chloride) sheath material

Abstract

The utility model discloses automatic PVC (polyvinyl chloride) sheath material extrusion equipment, which belongs to the technical field of PVC processing equipment and comprises an equipment main body, a first cover body and a second cover body are symmetrically arranged at the output end of the equipment main body respectively, and the first cover body and the second cover body wrap the output end of the equipment main body. A cavity used for extruding materials is formed between the two first cover bodies and the second cover body, a support is arranged outside the first cover bodies and the second cover body, the first cover bodies and the second cover body are hinged to the support, hydraulic cylinders are symmetrically arranged in the support, one ends of the two hydraulic cylinders are hinged to the support, and the other ends of the two hydraulic cylinders are hinged to the support. The other ends of the two hydraulic cylinders are hinged to the first cover body and the second cover body correspondingly, cavities of the first cover body and the second cover body can be opened in a rotating mode, at the moment, the cavities of the first cover body and the second cover body are upward, and therefore the interiors of the first cover body and the second cover body can be cleaned conveniently; and a worker does not need to enter between the first cover body and the second cover body.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC processing equipment, and more specifically to automatic extrusion equipment for PVC sheathing materials. Background Art

[0002] Polyvinyl chloride (PVC) is the third largest synthetic polymer plastic in the world.

[0003] Chinese patent application number CN202222346125.2 discloses an automatic extrusion device for PVC sheathing materials, including an upper cover shell, the bottom of the upper cover shell is an upper arc groove with an inward concave semicircular shape, and a lower cover shell is provided below the upper cover shell, and a lower arc groove is provided on the top of the lower cover shell to form a complete circular cavity with the upper arc groove, and an adaptive spiral rod is provided on the inner periphery of the circular cavity, a gear box is provided between one side of the upper cover shell and the lower cover shell, and both ends of both sides of the upper cover shell and the lower cover shell are connected with a nut seat with a thread in the center, and a bidirectional screw is threadedly connected between the inner peripheries of the corresponding two nut seats, and the bottom end of the bidirectional screw is connected with a driving motor through a coupling, and a cooling jacket for cooling is provided on the side of the upper cover shell and the lower cover shell away from the spiral rod. The automatic extrusion device for PVC sheathing materials is not only more convenient for internal inspection and cleaning, but also can achieve efficient pre-circulation cooling.

[0004] The above scheme is connected through a bidirectional screw during implementation, so that when the bidirectional screw rotates, it will drive the upper cover shell and the upper cover shell to move the rod in opposite directions, thereby completing the separation of the upper cover shell and the lower cover shell, that is, it is convenient to inspect and clean the inside of the upper cover shell and the lower cover shell. However, after the upper cover shell and the lower cover shell are separated, due to the small gap, it is still difficult for workers to quickly clean the inside of the upper cover shell and the lower cover shell, the cleaning efficiency is low and the actual operation is difficult. A solution is proposed below to address the above problems. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide an automatic extrusion device for PVC sheathing material, which can facilitate the cleaning between the upper cover shell and the lower cover shell and improve the work efficiency.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A PVC sheath material automatic extrusion device comprises a device body, wherein the output end of the device body is symmetrically provided with a first cover body and a second cover body, wherein the first cover body and the second cover body are wrapped around the output end of the device body, and a cavity for extruding material is formed between the two first cover bodies and the second cover bodies, wherein the first cover body and the second cover body are provided with a bracket on the outside, wherein the first cover body and the second cover body are both hinged to the bracket, wherein hydraulic cylinders are symmetrically provided inside the bracket, wherein one end of the two hydraulic cylinders is hinged to the bracket, and the other end of the two hydraulic cylinders is hinged to the corresponding first cover body and the second cover body, respectively.

[0008] Preferably, a mounting seat is fixedly connected to the bottom of the first cover body and the second cover body, a rotating block is hinged on the mounting seat through a rotating shaft, the bottom of the rotating block is fixedly connected to the output end of the hydraulic cylinder, the bottom of the bracket is symmetrically and fixedly connected to a base, a bottom block is hinged on the base through a rotating shaft, and the bottom block is fixedly connected to the bottom of the hydraulic cylinder.

[0009] Preferably, the first cover body and the second cover body are arranged symmetrically in the horizontal direction, and the bracket is arranged horizontally.

[0010] Preferably, a notch is provided on the bracket, and support shafts are symmetrically and fixedly connected to both ends of the first cover body and the second cover body, and the support shafts are rotatably matched with the notch.

[0011] Preferably, a plurality of connecting plates are respectively provided on one side of the first cover body and the second cover body, the connecting plates are provided with through openings, bolts are passed through the through openings, and matching nuts are threadedly connected to the bolts.

[0012] Preferably, one side of the first cover body and the second cover body is provided with a step block with concave-convex matching to play a sealing role.

[0013] Preferably, one side of the first cover body and the second cover body is set as a curved surface, and the curved surface of the first cover body and the curved surface of the second cover body are in contact with each other, and the center of the curved surface is concentric with the center of the support shaft.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] 1. This solution connects the first cover body and the second cover body with the bracket so that the cavities of the first cover body and the second cover body can be opened by rotation. At this time, the cavity of the first cover body and the cavity of the second cover body are upward, so it is convenient to clean the inside of the first cover body and the second cover body, and there is no need for workers to enter between the first cover body and the second cover body. The rotation of the first cover body and the second cover body can be controlled by the extension and retraction of the hydraulic cylinder, so as to realize automatic opening and closing, reduce manual operation steps and improve efficiency. Because the first cover body and the second cover body are heavy in themselves, the use of a hydraulic cylinder can improve safety and avoid the trouble of manual operation.

[0016] Second, through the rotational cooperation between the mounting seat and the rotating block, and the rotational cooperation between the base and the bottom block, the rotation between the hydraulic cylinder and the bracket and the first cover body and the second cover body can be realized, so that the rotation of the first cover body and the second cover body can be driven by the extension and contraction of the hydraulic cylinder to avoid jamming.

[0017] Third, the first cover body and the second cover body are arranged horizontally and symmetrically, so that when the first cover body and the second cover body are rotated and opened, the corresponding inner side surfaces are facing upward, which is convenient for subsequent maintenance and cleaning.

[0018] Fourth, the cooperation between the notch and the support shaft can realize the rotation between the first cover body, the second cover body and the bracket. The design of the notch can make the first cover body and the second cover body be in a horizontal state, so as to facilitate cleaning.

[0019] 5. The cooperation of the connecting piece, the through-hole, the bolt and the nut can tightly connect the first cover body and the second cover body to make it more stable, thereby ensuring the stability of the device body during operation.

[0020] 6. The matching of the concave and convex parts can increase the contact area between the first cover body and the second cover body, thereby ensuring the sealing between the first cover body and the second cover body.

[0021] 7. The arc surface design can ensure that the first cover body and the second cover body can rotate when they are in close contact, ensuring that the first cover body and the second cover body are easy to open. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the top view of the bracket, the first cover body and the second cover body of the utility model;

[0024] Figure 3 It is a schematic diagram of a side cross-sectional structure of the bracket, the first cover body and the second cover body of the utility model;

[0025] Figure 4It is a schematic diagram of the enlarged structure of A of the utility model;

[0026] Figure 5 It is a schematic diagram of the enlarged structure of B of the utility model;

[0027] Figure 6 The utility model is a schematic cross-sectional structure diagram of the connecting piece, bolts and nuts.

[0028] Description of the numbers in the figure:

[0029] 1. Equipment body; 2. First cover body; 3. Second cover body; 4. Cavity; 5. Bracket; 6. Hydraulic cylinder; 7. Mounting seat; 8. Rotating block; 9. Base; 10. Bottom block; 11. Notch; 12. Support shaft; 13. Connecting piece; 14. Through-hole; 15. Bolt; 16. Nut; 17. Step block; 18. Arc surface. DETAILED DESCRIPTION

[0030] Embodiment 1:

[0031] See also Figure 1-6 , a PVC sheath material automatic extrusion equipment, including an equipment body 1, an output end of the equipment body 1 is horizontally symmetrically provided with a first cover body 2 and a second cover body 3, the first cover body 2 and the second cover body 3 are horizontally symmetrically arranged, when the first cover body 2 and the second cover body 3 are rotated and opened, the corresponding inner side surfaces are all facing upward, which is convenient for subsequent maintenance and cleaning, the cross-section of the first cover body 2 and the second cover body 3 is semicircular, the first cover body 2 and the second cover body 3 are wrapped on the output end of the equipment body 1, and a cavity 4 for extruding material is formed between the two first cover bodies 2 and the second cover bodies 3, a feeding port is opened at the connection between the first cover body 2 and the second cover body 3, a hopper is detachably installed on the feeding port, the hopper can increase the area of ​​the feeding port, and it is convenient to add PVC particles, and the detachable cooperation of the feeding hopper can be conveniently disassembled, so that the first cover body 2 and the second cover body 3 are conveniently rotated and opened, and it is convenient to clean, so that it is convenient to add PVC particles into the cavity 4, and a heater is arranged on the surface of the first cover body 2 and the second cover body 3, so that the internal PVC particles are heated and melted by the heater.

[0032] Pour the PVC particles into the cavity 4, heat the internal PVC particles with the heating device on the surface of the first cover 2, and then extrude the heated PVC particles through the device body 1 to fuse them, and finally extrude and cool them to form.

[0033] A bracket 5 is provided on the outside of the first cover body 2 and the second cover body 3, and the bracket 5 is arranged horizontally. A notch 11 is provided on the bracket 5. The two ends of the first cover body 2 and the second cover body 3 are symmetrically and fixedly connected with a support shaft 12. The support shaft 12 and the notch 11 are rotatably matched. The matching of the notch 11 and the support shaft 12 can realize the rotation between the first cover body 2 and the second cover body 3 and the bracket 5. The design of the notch 11 can make the first cover body 2 and the second cover body 3 be in a horizontal state, so as to facilitate cleaning. A plurality of connecting pieces 13 are respectively provided on one side of the first cover body 2 and the second cover body 3. A through hole 14 is provided on the connecting piece 13. A bolt 15 is passed through the through hole 14. An adaptable nut 16 is threadedly connected to the bolt 15. The matching of the connecting piece 13, the through hole 14, the bolt 15 and the nut 16 can tightly connect the first cover body 2 and the second cover body 3 More stable, to ensure the stability of the device body 1 during operation.

[0034] A step block 17 with a concave-convex fit for sealing is provided on the side of the first cover body 2 and the second cover body 3 away from the support shaft 12. The concave-convex fit can increase the contact area between the first cover body 2 and the second cover body 3, thereby ensuring the sealing between the first cover body 2 and the second cover body 3. The side of the first cover body 2 and the second cover body 3 close to the support shaft 12 is provided with an arc surface 18, and the arc surface 18 of the first cover body 2 and the arc surface 18 of the second cover body 3 are in contact with each other, and the center of the arc surface 18 is concentric with the center of the support shaft 12. The design of the arc surface 18 can ensure that the first cover body 2 and the second cover body 3 can still rotate when they are in close contact, avoiding the first cover body 2 and the second cover body 3 from getting stuck, and ensuring that the first cover body 2 and the second cover body 3 are easy to open.

[0035] A hydraulic cylinder 6 is symmetrically arranged inside the bracket 5, and a mounting seat 7 is fixedly connected to the bottom of the first cover body 2 and the second cover body 3. A rotating block 8 is hinged on the mounting seat 7 through a rotating shaft, and the bottom of the rotating block 8 is fixedly connected to the output end of the hydraulic cylinder 6. A base 9 is symmetrically and fixedly connected to the bottom of the bracket 5, and a bottom block 10 is hinged on the base 9 through a rotating shaft. The bottom block 10 is fixedly connected to the bottom of the hydraulic cylinder 6. Through the rotational coordination of the mounting seat 7 and the rotating block 8, and the rotational coordination of the base 9 and the bottom block 10, the rotation of the hydraulic cylinder 6 and the bracket 5 and the first cover body 2 and the second cover body 3 can be realized respectively, so that the rotation of the first cover body 2 and the second cover body 3 can be driven by the extension and retraction of the hydraulic cylinder 6 to avoid jamming.

[0036] By connecting the first cover body 2 and the second cover body 3 with the bracket 5, the cavity 4 of the first cover body 2 and the second cover body 3 can be opened by rotation. At this time, the cavity 4 of the first cover body 2 and the cavity 4 of the second cover body 3 are upward, so it is convenient to clean the inside of the first cover body 2 and the second cover body 3, and there is no need for workers to enter between the first cover body 2 and the second cover body 3. The rotation of the first cover body 2 and the second cover body 3 can be controlled by the extension and retraction of the hydraulic cylinder 6, so as to realize automatic opening and closing, reduce manual operation steps and improve efficiency. Because the first cover body 2 and the second cover body 3 are heavy in themselves, the use of the hydraulic cylinder 6 can improve safety and avoid the trouble of manual operation.

[0037] Working principle:

[0038] When in use, the PVC particles are poured into the cavity 4 through the feeding port, the PVC particles inside the cavity 4 are melted by the heater, the melted PVC particles are pushed to move by the feeding screw at the output end of the equipment body 1, and are extruded and cooled and formed at the extrusion end of the equipment body 1 to complete the processing.

[0039] When cleaning or maintenance is required, the restriction on the two connecting pieces 13 is removed by opening the bolts 15 and the nuts 16, that is, the two connecting pieces 13 can be separated, and the hydraulic cylinder 6 is started, and the hydraulic cylinder 6 contracts. Since the hydraulic cylinder 6 is connected to the bracket 5 through the base 9 and the bottom block 10, the hydraulic cylinder 6 will not move, so that the hydraulic cylinder 6 will drive the rotating block 8 to move, and the rotating block 8 will labor the mounting seat 7 to move. The rotational cooperation between the base 9 and the bottom block 10 and the rotational cooperation between the rotating block 8 and the mounting seat 7 can prevent the hydraulic cylinder 6 from getting stuck, thereby realizing the normal driving of the rotating block 8 to move. Thereby, the first cover body 2 and the second cover body 3 are rotated around the support shaft 12. Since the bracket 5 is provided with a recess 11, the first cover body 2 and the second cover body 3 can be rotated into the recess 11. At this time, the connecting piece 13 will contact the top of the bracket 5, and the first cover body 2 and the second cover body 3 are supported by the connecting piece 13, thereby ensuring that the first cover body 2 and the second cover body 3 are in a horizontal state, making it convenient for workers to clean and maintain the cavity 4 inside the first cover body 2 and the second cover body 3 without manual entry into the cavity 4, and the horizontal cavity 4 is convenient for operation.

Claims

1. A PVC sheath material automatic extrusion equipment, characterized by: The invention comprises an equipment body (1), wherein the output end of the equipment body (1) is symmetrically provided with a first cover body (2) and a second cover body (3), the first cover body (2) and the second cover body (3) are wrapped around the output end of the equipment body (1), and a cavity (4) for extruding materials is formed between the two first cover bodies (2) and the second cover bodies (3), a bracket (5) is arranged outside the first cover body (2) and the second cover body (3), the first cover body (2) and the second cover body (3) are both hinged to the bracket (5), and hydraulic cylinders (6) are symmetrically arranged inside the bracket (5), one end of the two hydraulic cylinders (6) is hinged to the bracket (5), and the other end of the two hydraulic cylinders (6) is respectively hinged to the corresponding first cover body (2) and the second cover body (3).

2. The automatic extrusion equipment for PVC sheath material according to claim 1 is characterized in that: The bottom of the first cover body (2) and the second cover body (3) are fixedly connected with a mounting seat (7), a rotating block (8) is hinged on the mounting seat (7) via a rotating shaft, the bottom of the rotating block (8) is fixedly connected to the output end of the hydraulic cylinder (6), the bottom of the bracket (5) is symmetrically and fixedly connected with a base (9), a bottom block (10) is hinged on the base (9) via a rotating shaft, and the bottom block (10) is fixedly connected to the bottom of the hydraulic cylinder (6).

3. The automatic extrusion equipment for PVC sheath material according to claim 1 is characterized in that: The first cover body (2) and the second cover body (3) are arranged symmetrically in the horizontal direction, and the bracket (5) is arranged horizontally.

4. The automatic extrusion equipment for PVC sheath material according to claim 1, characterized in that: The bracket (5) is provided with a notch (11); the first cover body (2) and the second cover body (3) are symmetrically and fixedly connected with a support shaft (12) at both ends; the support shaft (12) and the notch (11) are rotatably matched.

5. The automatic extrusion equipment for PVC sheath material according to claim 1 is characterized in that: A plurality of connecting plates (13) are respectively provided on one side of the first cover body (2) and the second cover body (3), each of which has a through hole (14) through which a bolt (15) is passed, and each of the bolts (15) is threadedly connected to a matching nut (16).

6. The automatic extrusion equipment for PVC sheath material according to claim 1, characterized in that: One side of the first cover body (2) and the second cover body (3) is provided with a step block (17) with concave and convex matching to play a sealing role.

7. The automatic extrusion equipment for PVC sheath material according to claim 1, characterized in that: One side of the first cover body (2) and the second cover body (3) is arranged as a curved surface (18), and the curved surface (18) of the first cover body (2) and the curved surface (18) of the second cover body (3) are in contact with each other, and the center of the curved surface (18) is concentric with the center of the support shaft (12).

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