Shearing device for plastic extrusion molding

Abstract

The utility model relates to a shearing device for plastic extrusion molding, which comprises a shearing table, the upper surface of the shearing table is fixedly connected with a U-shaped support frame, the interior of the top of the U-shaped support frame is fixedly connected with a shearing mechanism, support mechanisms are symmetrically arranged on the shearing table, and the symmetrically arranged support mechanisms are respectively positioned on two sides of the shearing mechanism. The supporting mechanism is fixedly connected with a supporting rod, the upper end face of the supporting rod is fixedly connected with a supporting plate, the supporting plate is movably connected with a moving mechanism, and the lower end face of the moving mechanism penetrates through the supporting plate and is fixedly connected with an arc-shaped limiting plate. When the shearing device for plastic extrusion molding is used, a plastic pipe needing to be sheared is placed on the symmetrically-arranged supporting mechanisms, springs are matched with arc-shaped limiting plates, the placed pipe body can be limited, and therefore the phenomenon that when the plastic pipe body is sheared off through the shearing mechanism, the plastic pipe body cannot be sheared off is avoided as much as possible. And when the plastic pipe body is displaced, the shearing effect on the plastic pipe body can be enhanced.

Description

Technical Field

[0001] The present application relates to the technical field of plastic processing, and in particular to a shearing device for plastic extrusion molding. Background Art

[0002] Plastic extrusion molding, also known as extrusion molding, is a major production process for plastic pipes. It is mainly suitable for the molding of thermoplastic plastics, and is also suitable for the molding of some thermosetting and reinforced plastics with good fluidity. Plastic extrusion molding is to extrude the heated and molten thermoplastic raw materials from a die with a circular cross-section shape, and then use a shaper to characterize it, and then use a cooler to harden it, and finally obtain a plastic pipe. After the plastic pipe is extruded, in order to obtain a plastic pipe of a fixed length, it is necessary to use a shearing device for plastic extrusion molding to cut the extruded plastic pipe.

[0003] The utility model with announcement number CN207415453U discloses an integrated processing device for air-drying and cutting of modified plastics, which belongs to the technical field of modified plastic processing equipment and is composed of an air-drying device and a cutting device; the air-drying device is composed of a bracket, a fan and an outer cover; the cutting device is composed of a motor, a first connecting rod, a second connecting rod, a slider, a slide groove and a cutting tool; the novel structure is compact and reasonable, and the working principle is clear. The fan and the conical hole are used in combination in the air-drying device, and the air supply temperature is low, while the crank slider mechanism and the cutting tool are used in combination in the cutting device, and the cutting speed can be adjusted accordingly through the length of the connecting rod. Compared with the traditional air-drying and cutting process, the utility model manufactures a process-dispersed device into a process-relatively concentrated device, which can not only complete the air-drying and cutting of modified plastics, but also improve the air-drying speed of the extruded material, improve the cutting speed and the quality of the cutting, and meet the requirements of the modified plastic assembly line operation.

[0004] When the above technical solution is in use, the starting motor cooperates with the first connecting rod and the second connecting rod through the motor output shaft to control the slider to move up and down inside the slide groove. The movement of the slider can control the cutting tool to move up and down to cut the plastic product. However, the above solution lacks a limiting device when shearing the plastic product, so that the plastic product may move when shearing the plastic product, which will affect the shearing effect of the plastic product and is not conducive to actual use. Therefore, those skilled in the art provide a shearing device for plastic extrusion molding to solve the problems raised in the above background technology. Utility Model Content

[0005] In order to solve the problem described in the background art that there is a lack of a limiting device when shearing a plastic product, so that the plastic product may move when shearing the plastic product, the present application provides a shearing device for plastic extrusion molding.

[0006] The present application provides a shearing device for plastic extrusion molding, which adopts the following technical solution:

[0007] A shearing device for plastic extrusion molding comprises a shearing table, the upper surface of the shearing table is fixedly connected to a U-shaped support frame, the top of the U-shaped support frame is fixedly connected to a shearing mechanism, the shearing table is symmetrically provided with support mechanisms, the symmetrically provided support mechanisms are respectively located on both sides of the shearing mechanism, a support rod is fixedly connected to the support mechanism, the upper end surface of the support rod is fixedly connected to a support plate, a moving mechanism is movably connected to the support plate, the lower end surface of the moving mechanism passes through the support plate and is fixedly connected to an arc-shaped limiting plate, the arc-shaped limiting plate is located above the support mechanism, a spring is sleeved on the moving mechanism, and the spring is supported between the support plate and the arc-shaped limiting plate.

[0008] By adopting the above technical solution, the plastic tube to be cut can be supported by a symmetrically arranged support mechanism, and the tube body placed on the support mechanism can be limited by cooperating with the arranged spring and the arc-shaped limit plate, thereby minimizing the displacement of the plastic tube body when the plastic tube body is cut.

[0009] Preferably, the shearing table comprises a rectangular table, a lower surface of which is evenly and fixedly connected with a plurality of supporting legs, an upper surface of which is symmetrically and fixedly connected with limiting side plates, and a lower end surface of the U-shaped support frame is fixedly connected with the symmetrically arranged limiting side plates.

[0010] By adopting the above technical solution, a plurality of supporting legs can support the rectangular table, and the symmetrically arranged limiting side plates can limit the plastic products placed on the rectangular table.

[0011] Preferably, the moving mechanism includes a connecting strip located above the support plate, a connecting rod is fixedly connected to the lower surface of the connecting strip, the lower end of the connecting rod passes through the support plate, and the two are slidably connected, the lower end surface of the support plate passes through the inside of the spring and is fixedly connected to the arc-shaped limit plate, and a pull handle is fixedly connected to the upper surface of the connecting strip.

[0012] By adopting the above technical solution, the connecting rod can limit the installation position of the arc-shaped limit plate and the spring, and the user can control the arc-shaped limit plate to move upward by pulling the handle to cooperate with the connecting rod through the connecting strip.

[0013] Preferably, the shearing mechanism comprises a hydraulic cylinder fixedly connected to the top of the inner wall of the U-shaped support frame, and a shearing blade is fixedly connected to the output end of the hydraulic cylinder.

[0014] By adopting the above technical solution, starting the hydraulic cylinder can control the shearing blade to move downward, and perform a shearing operation on the plastic pipe placed below the shearing blade.

[0015] Preferably, the support mechanism includes a mounting plate connected to the upper surface of the rectangular table by bolts, the lower end surface of the support rod is fixedly connected to the upper surface of the mounting plate, and the upper surface of the mounting plate is fixedly connected with an arc-shaped support limit plate.

[0016] By adopting the above technical solution, the mounting plate can limit the installation positions of the arc-shaped support and limit plate and the support rod, and the arc-shaped support and limit plate can support and limit the pipe body.

[0017] Preferably, the support plate is evenly provided with limiting holes that penetrate the support plate, the lower surface of the connecting strip is evenly fixedly connected with a guide rod, the guide rod passes through the inside of the limiting hole, and the two are slidably connected, and the lower end surface of the guide rod is fixedly connected to the arc-shaped limiting plate.

[0018] By adopting the above technical solution, the limiting hole can play a guiding role for the movement of the arc-shaped limiting plate by cooperating with the guide rod.

[0019] Preferably, a shearing groove is provided on the upper surface of the rectangular table, and the shearing groove is located below the shearing blade. A scale is fixedly connected to the upper surface of the rectangular table.

[0020] By adopting the above technical solution, the shearing groove and the shearing blade cooperate to enhance the shearing effect of the plastic pipe, and the scale can facilitate users to observe the shearing size of the symmetrical plastic pipe.

[0021] In summary, this application includes the following beneficial technical effects:

[0022] 1. The shearing device for plastic extrusion molding can support the plastic tube to be sheared through a symmetrically arranged supporting mechanism, and can install the arc-shaped limiting plate above the supporting mechanism through a moving mechanism. A spring is elastically connected between the arc-shaped limiting plate and the supporting plate. The spring cooperates with the arc-shaped limiting plate to limit the tube body placed on the supporting mechanism, thereby avoiding the displacement of the plastic tube body when shearing the plastic tube body as much as possible, and enhancing the shearing effect of the plastic tube body. The user can control the arc-shaped limiting plate to move upward by pulling the moving mechanism upward, so that the user can take and place the tube body placed between the supporting mechanism and the arc-shaped limiting plate conveniently;

[0023] 2. The shearing device for plastic extrusion molding has several supporting legs that can support the rectangular table, and the symmetrically arranged limiting side plates can limit the plastic products placed on the rectangular table. The hydraulic cylinder is started to control the shearing blade to move downward, so that the plastic pipe placed under the shearing blade can be sheared. The shearing groove cooperates with the shearing blade to enhance the shearing effect of the plastic pipe. The scale can facilitate users to observe the shearing size of the symmetrical plastic pipe;

[0024] 3. The shearing device for plastic extrusion molding is provided with a connecting rod that can limit the installation position of the arc limit plate and the spring. The user pulls the handle to cooperate with the connecting rod through the connecting strip to control the arc limit plate to move upward. The mounting plate can limit the installation position of the arc support limit plate and the support rod. The arc support limit plate can support and limit the pipe body. The limit hole cooperates with the guide rod to guide the movement of the arc limit plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0026] Figure 2 It is a schematic diagram of the shearing table structure in an embodiment of the present application;

[0027] Figure 3 Schematic diagram of the structure of the arc-shaped limiting plate in the embodiment of the present application;

[0028] Figure 4 is a schematic diagram of the support mechanism structure in an embodiment of the present application;

[0029] Figure 5 It is a schematic diagram of the structure of the mobile mechanism in the embodiment of the present application.

[0030] Explanation of the accompanying reference numerals: 1. shearing table; 101. rectangular table; 102. supporting leg; 103. limiting side plate; 2. U-shaped supporting frame; 3. shearing mechanism; 301. hydraulic cylinder; 302. shearing blade; 4. supporting mechanism; 401. mounting plate; 402. arc-shaped supporting limiting plate; 5. supporting rod; 6. supporting plate; 7. moving mechanism; 701. connecting strip; 702. connecting rod; 703. pull handle; 8. arc-shaped limiting plate; 9. spring; 10. shearing groove; 11. scale; 12. limiting hole; 13. guide rod. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-5 This application is described in further detail.

[0032] The present application embodiment discloses a shearing device for plastic extrusion molding. Figure 1 , Figure 2 and Figure 3The shearing device for plastic extrusion molding comprises a shearing table 1, the upper surface of the shearing table 1 is fixedly connected with a U-shaped support frame 2, the top of the U-shaped support frame 2 is fixedly connected with a shearing mechanism 3, the shearing table 1 is symmetrically provided with a support mechanism 4, the symmetrically provided support mechanisms 4 are respectively located on both sides of the shearing mechanism 3, the support mechanism 4 is fixedly connected with a support rod 5, the upper end surface of the support rod 5 is fixedly connected with a support plate 6, the support plate 6 is movably connected with a moving mechanism 7, the lower end surface of the moving mechanism 7 penetrates the support plate 6 and is fixedly connected with an arc-shaped limiting plate 8, the arc-shaped limiting plate 8 is located above the support mechanism 4, and a spring 9 is sleeved on the moving mechanism 7, and the spring 9 is supported between the support plate 6 and the arc-shaped limiting plate 8.

[0033] In this embodiment, the U-shaped support frame 2 provided in the shearing device for plastic extrusion molding can limit the installation position of the shearing mechanism 3 on the shearing table 1. The shearing mechanism 3 can shear the plastic tube placed on the shearing table 1 when it is started, and the support mechanism 4 is symmetrically arranged on the shearing table 1. The symmetrically arranged support mechanism 4 can support the plastic tube to be sheared, the support rod 5 can limit the installation position of the support plate 6, the support plate 6 can limit the installation position of the moving mechanism 7, and the arc-shaped limit plate 8 can be installed above the support mechanism 4 through the moving mechanism 7. , and a spring 9 is elastically connected between the arc-shaped limiting plate 8 and the supporting plate 6. By cooperating with the arranged spring 9 and the arc-shaped limiting plate 8, the tube body placed on the supporting mechanism 4 can be limited, so as to avoid the displacement of the plastic tube body when the plastic tube body is cut as much as possible, and can enhance the cutting effect of the plastic tube body, making the present application more conducive to practical use, and the user can control the arc-shaped limiting plate 8 to move upward by pulling the moving mechanism 7 upward, so as to facilitate the personnel to take and place the tube body placed between the supporting mechanism 4 and the arc-shaped limiting plate 8.

[0034] In a further preferred embodiment of the present invention, Figure 1 and Figure 2 As shown, the shearing table 1 includes a rectangular table 101, the lower surface of which is evenly fixedly connected with a plurality of supporting legs 102, the upper surface of which is symmetrically fixedly connected with limiting side plates 103, and the lower end surface of the U-shaped support frame 2 is fixedly connected with the symmetrically arranged limiting side plates 103.

[0035] In this embodiment, the rectangular table 101 can limit the installation position of the supporting mechanism 4 , the plurality of supporting legs 102 can support the rectangular table 101 , and the symmetrically arranged limiting side plates 103 can limit the plastic products placed on the rectangular table 101 .

[0036] In a further preferred embodiment of the present invention, Figure 1 and Figure 2As shown, the shearing mechanism 3 includes a hydraulic cylinder 301 fixedly connected to the top of the inner wall of the U-shaped support frame 2, and a shearing blade 302 is fixedly connected to the output end of the hydraulic cylinder 301.

[0037] In this embodiment, the hydraulic cylinder 301 is activated to control the shear blade 302 to move up and down, and the plastic pipe placed under the shear blade 302 can be sheared by moving the shear blade 302 downward.

[0038] In a further preferred embodiment of the present invention, Figure 1 and Figure 2 As shown, a shearing groove 10 is formed on the upper surface of the rectangular platform 101 , and the shearing groove 10 is located below the shearing blade 302 . A scale 11 is fixedly connected to the upper surface of the rectangular platform 101 .

[0039] In this embodiment, the shearing groove 10 is matched with the cutting edge of the shearing blade 302. The shearing effect of the plastic tube can be enhanced by cooperating with the shearing groove 10 and the shearing blade 302. The scale 11 can facilitate users to observe the shearing size of the symmetrical plastic tube.

[0040] In a further preferred embodiment of the present invention, Figure 1 , Figure 3 and Figure 4 As shown, the support mechanism 4 includes a mounting plate 401 connected to the upper surface of the rectangular platform 101 by bolts, the lower end surface of the support rod 5 is fixedly connected to the upper surface of the mounting plate 401, and the upper surface of the mounting plate 401 is fixedly connected with an arc-shaped support limit plate 402.

[0041] In this embodiment, the installation plate 401 is provided to limit the installation positions of the arc-shaped support and limit plate 402 and the support rod 5, and the arc-shaped support and limit plate 402 is provided to support and limit the pipe body.

[0042] In a further preferred embodiment of the present invention, Figure 3 and Figure 5 As shown, the moving mechanism 7 includes a connecting strip 701 located above the support plate 6, and the lower surface of the connecting strip 701 is fixedly connected to a connecting rod 702. The lower end of the connecting rod 702 passes through the support plate 6, and the two are slidably connected. The lower end surface of the support plate 6 passes through the inside of the spring 9 and is fixedly connected to the arc-shaped limit plate 8, and the upper surface of the connecting strip 701 is fixedly connected to a pull handle 703.

[0043] In this embodiment, the connecting strip 701 is capable of limiting the installation positions of the connecting rod 702 and the pull handle 703. The connecting rod 702 is capable of limiting the installation positions of the arc-shaped limit plate 8 and the spring 9. When in use, the user pulls the pull handle 703 to cooperate with the connecting strip 701 and the connecting rod 702 to control the arc-shaped limit plate 8 to move upward. When the arc-shaped limit plate 8 moves upward, the spring 9 can be squeezed to contract.

[0044] In a further preferred embodiment of the present invention, Figure 3 , Figure 4 and Figure 5 As shown, the support plate 6 is evenly provided with limiting holes 12 that pass through the support plate 6, and the lower surface of the connecting strip 701 is evenly fixedly connected with a guide rod 13, which passes through the inside of the limiting hole 12 and is slidably connected therebetween, and the lower end surface of the guide rod 13 is fixedly connected to the arc-shaped limiting plate 8.

[0045] In this embodiment, the limiting hole 12 cooperates with the guide rod 13 to guide the movement of the arc-shaped limiting plate 8, thereby enhancing the stability of the arc-shaped limiting plate 8 during movement.

[0046] The implementation principle of the shearing device for plastic extrusion molding in the embodiment of the present application is:

[0047] When in use, the plastic tube that needs to be cut after the plastic is extruded and cooled is placed on the symmetrically arranged support mechanism 4. The arranged spring 9 cooperates with the arc-shaped limiting plate 8 to limit the tube body placed on the support mechanism 4, thereby avoiding as much as possible the displacement of the plastic tube body when the plastic tube body is cut by the cutting mechanism 3, and can enhance the cutting effect of the plastic tube body, making the present application more conducive to practical use.

[0048] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A shearing device for plastic extrusion molding, comprising a shearing table (1), characterized in that: The upper surface of the shearing table (1) is fixedly connected to a U-shaped support frame (2), and the top of the U-shaped support frame (2) is fixedly connected to a shearing mechanism (3). The shearing table (1) is symmetrically provided with a support mechanism (4), and the symmetrically provided support mechanisms (4) are respectively located on both sides of the shearing mechanism (3). The support mechanism (4) is fixedly connected to a support rod (5), and the upper end surface of the support rod (5) is fixedly connected to a support plate (6), and the support plate (6) is movably connected to a moving mechanism (7), and the lower end surface of the moving mechanism (7) passes through the support plate (6) and is fixedly connected to an arc-shaped limiting plate (8), and the arc-shaped limiting plate (8) is located above the support mechanism (4), and a spring (9) is sleeved on the moving mechanism (7), and the spring (9) is supported between the support plate (6) and the arc-shaped limiting plate (8).

2. A shearing device for plastic extrusion molding according to claim 1, characterized in that: The shearing table (1) comprises a rectangular table (101), the lower surface of the rectangular table (101) being evenly and fixedly connected to a plurality of support legs (102), the upper surface of the rectangular table (101) being symmetrically and fixedly connected to a limiting side plate (103), and the lower end surface of the U-shaped support frame (2) being fixedly connected to the symmetrically arranged limiting side plates (103).

3. A shearing device for plastic extrusion molding according to claim 1, characterized in that: The moving mechanism (7) comprises a connecting strip (701) located above the support plate (6); a connecting rod (702) is fixedly connected to the lower surface of the connecting strip (701); the lower end of the connecting rod (702) passes through the support plate (6), and the two are slidably connected; the lower end surface of the support plate (6) passes through the inside of the spring (9) and is fixedly connected to the arc-shaped limit plate (8); and a pull handle (703) is fixedly connected to the upper surface of the connecting strip (701).

4. A shearing device for plastic extrusion molding according to claim 2, characterized in that: The shearing mechanism (3) comprises a hydraulic cylinder (301) fixedly connected to the top of the inner wall of the U-shaped support frame (2), and a shearing blade (302) is fixedly connected to the output end of the hydraulic cylinder (301).

5. A shearing device for plastic extrusion molding according to claim 2, characterized in that: The support mechanism (4) comprises a mounting plate (401) connected to the upper surface of the rectangular platform (101) by bolts, the lower end surface of the support rod (5) is fixedly connected to the upper surface of the mounting plate (401), and the upper surface of the mounting plate (401) is fixedly connected with an arc-shaped support limit plate (402).

6. A shearing device for plastic extrusion molding according to claim 3, characterized in that: The support plate (6) is evenly provided with limiting holes (12) passing through the support plate (6); the lower surface of the connecting strip (701) is evenly fixedly connected with a guide rod (13); the guide rod (13) passes through the inside of the limiting hole (12) and is slidably connected therebetween; the lower end surface of the guide rod (13) is fixedly connected to the arc-shaped limiting plate (8).

7. A shearing device for plastic extrusion molding according to claim 4, characterized in that: The upper surface of the rectangular platform (101) is provided with a shearing groove (10), the shearing groove (10) is located below the shearing blade (302), and the upper surface of the rectangular platform (101) is fixedly connected with a scale (11).

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