Mouth-variable hydraulic machine head for rubber products

Abstract

An outer frame and an inner frame of the rubber product hydraulic machine head are respectively provided with a sliding plate frame, a machine head frame is arranged at the near end of the outer side of the outer frame, a machine tail frame is arranged at the far end of the outer side of the inner frame, sliding plates are arranged on the sliding plate frames in a sliding mode, the near ends of the sliding plates are in a convex arc shape, and hydraulic pistons of hydraulic devices are fixedly connected with the outer sides of the sliding plates. A piston rod of the hydraulic device is fixedly connected with the machine head frame and the machine tail frame, the near end of the outer frame is connected with the near end of the outer frame through an outer connecting piece arranged in parallel, the near end of the inner frame is connected with the near end of the inner frame through an inner connecting piece arranged in parallel, the inner side of the outer connecting piece is fixedly connected with the outer side of the inner connecting piece, and the outer connecting piece and the inner connecting piece perpendicularly intersect. By the adoption of the technical scheme, when rubber products of different mouth shapes can be continuously produced, the production efficiency is improved, and meanwhile the problem that square rubber products cannot be normally produced due to rubber expansion is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rubber product hydraulic machine head, especially a variable port shape rubber product hydraulic machine head, belongs to the rubber processing technical field. BACKGROUND

[0002] With the continuous development of global economy and the continuous progress of industrial technology, rubber as an important industrial raw material is increasingly widely used in various fields. Especially in the key fields such as automobile, building, aerospace, the performance and quality requirements of rubber products are higher and higher. As the core equipment of rubber product production, the technical level and operation efficiency of rubber extruder are directly related to the quality and yield of rubber products.

[0003] In the prior art, when the rubber machine head continuously produces rubber products of different port shapes, the port shape mold needs to be replaced after producing a rubber product of one port shape, and the rubber product of another port shape can be produced again after cleaning the solidified rubber, resulting in low production efficiency. At the same time, since the port shape mold adopts a plane structure, when producing square rubber products, the expansion of rubber leads to the failure to normally produce square rubber products. SUMMARY

[0004] In order to solve the technical problems of low production efficiency and failure to normally produce square rubber products due to the expansion of rubber when continuously producing rubber products of different port shapes in the prior art, the utility model provides a variable port shape rubber product hydraulic machine head, and the technical scheme is as follows:

[0005] A variable port shape rubber product hydraulic machine head, the outer frame and the inner frame are both provided with a sliding plate frame, the outer frame is provided with a machine head frame at the proximal end of the outer side, the inner frame is provided with a machine tail frame at the distal end of the outer side, a sliding plate is slidingly arranged on the sliding plate frame, the proximal end of the sliding plate is in a convex arc shape, a hydraulic piston of a hydraulic device is fixedly connected to the outer side of the sliding plate, a piston rod of the hydraulic device is fixedly connected to the machine head frame and the machine tail frame, the proximal end of the outer frame is connected to the proximal end of the outer frame through parallel arranged outer connecting pieces, the proximal end of the inner frame is connected to the proximal end of the inner frame through parallel arranged inner connecting pieces, the inner side of the outer connecting piece is fixedly connected to the outer side of the inner connecting piece, and the outer connecting piece and the inner connecting piece are perpendicular to each other.

[0006] Optionally, a sliding plate groove is arranged on the inner side of the sliding plate frame of the outer frame, the sliding plate groove is a square groove, a ladder-shaped table is arranged on the outer side of the sliding plate frame of the outer frame, the sliding plate is arranged in the sliding plate groove, and the shoulder part of the ladder-shaped table is aligned with the axial edge of the sliding plate groove.

[0007] Optionally, the hydraulic piston on the outer frame moves in a range of 10-120mm, and the hydraulic piston on the inner frame moves in a range of 50-230mm.

[0008] Optionally, the hydraulic piston is connected with the fixed support on both sides, and the fixed support is connected with the outer side of the sliding plate through bolts.

[0009] Optionally, the hydraulic cylinder of the hydraulic device is connected with the hydraulic station through a high-pressure resistant hydraulic rubber pipe, and the high-pressure resistant hydraulic rubber pipe is provided with a loose joint at both ends.

[0010] Optionally, the outer frame and the inner frame are welded by 16MNR spring steel, and the welded part is provided with a reinforcing rib.

[0011] Optionally, the proximal end of the sliding plate is provided with an inclination angle.

[0012] Optionally, the inner side of the sliding plate of the outer frame is provided with a block body, the block body comprises upper and lower block bodies and left and right block bodies, the upper and lower block bodies are parallel square block bodies, and the left and right block bodies are L-shaped square block bodies. A copper piece is arranged at the combined part of the block body and the sliding plate, the block body serves to ensure the movement of the sliding plate within the use range and serves as a fixed support, and the copper piece serves to serve as wear resistance for the sliding plate.

[0013] Optionally, the outer frame and the inner frame are provided with a scale, and the outer side of the sliding plate is provided with a pointer matched with the scale.

[0014] Optionally, the sliding plate is embedded in the sliding plate groove.

[0015] Compared with the prior art, the technical scheme has the beneficial effects that the hydraulic device drives the mouth plate to form various sizes of the mouth, and realizes the continuous production of products with different sizes of the mouth; and the arc-shaped mouth plate at the distal end overcomes the problem that the normal production of square rubber products cannot be realized due to the expansion of the rubber. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic view of the overall structure of the embodiment of the utility model;

[0017] Figure 2 is a schematic view of the structure of the sliding plate on the inner frame of the embodiment of the utility model;

[0018] Figure 3 is a sectional view of the sliding plate on the inner frame of the embodiment of the utility model;

[0019] Figure 4 is an elevation view of the sliding plate on the inner frame of the embodiment of the utility model;

[0020] Figure 5 is the near end inclination angle schematic view of the sliding plate of the embodiment of the utility model;

[0021] Figure 6 is the structure schematic view of the sliding plate on the outer frame of the embodiment of the utility model;

[0022] Figure 7 is the sectional view of the sliding plate on the outer frame of the embodiment of the utility model;

[0023] Figure 8 is the elevation view of the sliding plate on the outer frame of the embodiment of the utility model;

[0024] Figure 9 is the structure schematic view of the outer frame of the embodiment of the utility model;

[0025] Figure 10 is the sectional view of the outer frame of the embodiment of the utility model;

[0026] Figure 11 is the structure schematic view of the outer frame of the embodiment of the utility model;

[0027] Figure 12 is the structure schematic view of the sliding plate of the embodiment of the utility model;

[0028] Figure 13 is the structure schematic view of the outer frame near end through parallel setting outer connecting piece and outer frame near end upper and lower connection of the embodiment of the utility model;

[0029] Figure 14 is the structure schematic view of the inner frame sliding plate machine head body of the embodiment of the utility model;

[0030] Figure 15 is the structure schematic view of the sliding plate frame and sliding plate cooperation of the embodiment of the utility model;

[0031] Figure 16 is the structure schematic view of the other side of the machine head of the embodiment of the utility model;

[0032] In the figure: 1, outer frame; 2, inner frame; 3, sliding plate frame; 4, machine head frame; 5, machine tail frame; 6, outer connecting piece; 7, sliding plate; 8, sliding plate groove; 9, ladder type platform; 10, hydraulic piston; 11, piston rod; 12, hydraulic cylinder; 13, fixed support; 14, scale; 15, pointer; 16, stop block body. DETAILED DESCRIPTION Embodiment 1

[0033] As Figures 1 to 16As shown, the embodiment provides a variable port shape rubber product hydraulic head, the outer frame 1 and the inner frame 2 are provided with slide plate frames 3, the outer frame 1 is provided with a head frame 4 at the proximal end of the outer side, the inner frame 2 is provided with a tail frame 5 at the distal end of the outer side, the slide plate 7 is slidably arranged on the slide plate frame 3, the proximal end of the slide plate 7 is in convex arc shape, the hydraulic piston 10 of the hydraulic device is fixedly connected to the outer side of the slide plate 7, the piston rod 11 of the hydraulic device is fixedly connected to the head frame 4 and the tail frame 5, the proximal end of the outer frame 1 is connected to the proximal end of the outer frame 1 through the parallelly arranged outer connecting piece 6, the proximal end of the inner frame 2 is connected to the proximal end of the inner frame 2 through the parallelly arranged inner connecting piece, the inner side of the outer connecting piece 6 is fixedly connected to the outer side of the inner connecting piece, and the outer connecting piece 6 and the inner connecting piece are perpendicular to each other.

[0034] Among them, the slide plate 7 is made of 38crmoala alloy steel after processing and nitriding, which effectively improves the wear resistance and strength of the head.

[0035] Among them, the convex arc structure at the distal end of the slide plate 7 can overcome the influence of the expansion coefficient of rubber and the pressure of the flow channel, and ensure that the extruded product is a relatively cuboid, so that the rubber surface is finer and smoother when the rubber is extruded.

[0036] Exemplary: install the variable port shape rubber product hydraulic head to the corresponding position of the rubber product machine; when producing the first type of rubber product, adjust the hydraulic pressure of the hydraulic device, control the movement of the hydraulic piston 10 of the hydraulic device, under the pushing of the hydraulic piston 10, the slide plate 7 moves on the slide plate frame 3, the hydraulic piston 10 on the outer frame 1 moves 10mm, the hydraulic piston 10 on the inner frame 2 moves 50mm, the slide plate 7 collectively encloses the required port shape, heats the rubber, extrudes the rubber, and the rubber is in a relatively cuboid shape under the action of the convex arc structure at the distal end of the slide plate 7; then when producing the second type of rubber product with different sizes, only need to adjust the hydraulic pressure of the hydraulic device, control the movement of the hydraulic piston 10 of the hydraulic device, under the pushing of the hydraulic piston 10, the slide plate 7 moves on the slide plate frame 3, the hydraulic piston 10 on the outer frame 1 moves 120mm, the hydraulic piston 10 on the inner frame 2 moves 130mm, the slide plate 7 collectively encloses the required port shape, and the rubber is in a relatively cuboid shape under the action of the convex arc structure at the distal end of the slide plate 7. Embodiment 2

[0037] The difference between the embodiment and the embodiment 1 is that:

[0038] The variable port shape rubber product hydraulic head provided by the embodiment is provided with a slide plate groove 8 inside the slide plate frame 3 of the outer frame 1, the slide plate groove 8 is a square groove, a ladder-shaped table 9 is arranged outside the slide plate frame 3 of the outer frame 1, the slide plate 7 is arranged in the slide plate groove 8, and the shoulder of the ladder-shaped table 9 is aligned with the axial edge of the slide plate groove 8.

[0039] The sliding plate 7 is arranged in the sliding plate groove 8 without any gap. The sliding plate groove 8 provides a moving track for the sliding plate 7 and provides support for the sliding plate 7 in the direction perpendicular to the surface of the sliding plate 7, so as to avoid deformation and dislocation of the sliding plate 7 due to rubber extrusion. Embodiment 3

[0040] The difference between the embodiment and the embodiment 1 is that:

[0041] The hydraulic machine head for variable mouth-shaped rubber products provided by the embodiment further comprises a fixed support 13, the hydraulic piston 10 is connected with the fixed support 13 on both sides, and the fixed support 13 is connected with the outer side of the sliding plate 7 through bolts.

[0042] The fixed support 13 is made of carbon steel. Embodiment 4

[0043] The difference between the embodiment and the embodiment 1 is that:

[0044] The hydraulic machine head for variable mouth-shaped rubber products provided by the embodiment, the hydraulic cylinder 12 of the hydraulic device is connected with the hydraulic station through a high-pressure-resistant hydraulic rubber pipe, and the high-pressure-resistant hydraulic rubber pipe is provided with a union joint at both ends.

[0045] The hydraulic cylinder 12 is made of seamless steel pipe and carbon steel.

[0046] The high-pressure-resistant hydraulic rubber pipe is made of a metal braided rubber pipe. Embodiment 5

[0047] The difference between the embodiment and the embodiment 1 is that:

[0048] The hydraulic machine head for variable mouth-shaped rubber products provided by the embodiment, the outer frame 1 and the inner frame 2 are welded by 16MNR spring steel, and a reinforcing rib is arranged at the welding position. Embodiment 6

[0049] The difference between the embodiment and the embodiment 1 is that:

[0050] The hydraulic machine head for variable mouth-shaped rubber products provided by the embodiment, the sliding plate 7 is provided with an inclination angle at the proximal end.

[0051] The inclination angle is used to make the surface of the rubber product in a planar shape. Embodiment 7

[0052] The difference between the embodiment and the embodiment 1 is that:

[0053] The hydraulic machine head for variable mouth-shaped rubber products provided by the embodiment, the inner side of the sliding plate 7 in the outer frame 1 is provided with a stop block body 16. Embodiment 8

[0054] The embodiment is different from embodiment 1 in that:

[0055] The variable-port rubber product hydraulic machine head provided by the embodiment is provided with a scale 14 on the outer frame 1 and the inner frame 2, and the outer side of the sliding plate 7 is provided with a pointer 15 matched with the scale 14. Embodiment 9

[0056] The embodiment is different from embodiment 1 in that:

[0057] The variable-port rubber product hydraulic machine head provided by the embodiment is provided with a scale 14 on the outer frame 1 and the inner frame 2, and the outer side of the sliding plate 7 is provided with a pointer 15 matched with the scale 14.

Claims

1. A hydraulic press head for variable-diameter rubber products, characterized in that, Both the outer frame (1) and the inner frame (2) are provided with a slide frame (3). The outer frame (1) is provided with a head frame (4) at the near end of its outer side, and the inner frame (2) is provided with a tail frame (5) at the far end of its outer side. The slide (7) is slidably mounted on the slide frame (3). The near end of the slide (7) is convex arc-shaped. The hydraulic piston (10) of the hydraulic device is fixedly connected to the outside of the slide (7). The piston rod (11) of the hydraulic device is fixedly connected to the head frame (4) and the tail frame (5). The near end of the outer frame (1) is connected to the near end of the outer frame (1) through a parallel outer connector (6). The near end of the inner frame (2) is connected to the near end of the inner frame (2) through a parallel inner connector. The inner side of the outer connector (6) is fixedly connected to the outer side of the inner connector. The outer connector (6) and the inner connector intersect perpendicularly.

2. The hydraulic press head for variable-diameter rubber products according to claim 1, characterized in that, The inner side of the skateboard frame (3) located on the outer frame (1) is provided with a skateboard groove (8), which is a square groove. The outer side of the skateboard frame (3) located on the outer frame (1) is provided with a trapezoidal platform (9), and the skateboard (7) is set in the skateboard groove (8). The shoulder of the trapezoidal platform (9) is aligned with the axial edge of the skateboard groove (8).

3. The hydraulic press head for variable-diameter rubber products according to claim 1, characterized in that, The hydraulic piston (10) located on the outer frame (1) has a movement range of 10-120mm, and the hydraulic piston (10) located on the inner frame (2) has a movement range of 50-230mm.

4. The hydraulic press head for variable-diameter rubber products according to claim 1, characterized in that, It also includes a fixed support (13), which is connected to both sides of the hydraulic piston (10). The fixed support (13) is bolted to the outside of the slide plate (7).

5. A hydraulic press head for variable-diameter rubber products according to claim 1, characterized in that, The hydraulic cylinder (12) of the hydraulic device is connected to the hydraulic station through a high-pressure resistant hydraulic hose, and the two ends of the high-pressure resistant hydraulic hose are provided with unions.

6. A hydraulic press head for variable-diameter rubber products according to claim 1, characterized in that, The outer frame (1) and the inner frame (2) are welded from 16MNR spring steel, and the weld joints are provided with reinforcing ribs.

7. A hydraulic press head for variable-diameter rubber products according to claim 1, characterized in that, The skateboard (7) has an angle at its near end.

8. A hydraulic press head for variable-diameter rubber products according to claim 2, characterized in that, A stop block (16) is provided on the inner side of the slide plate (7) of the outer frame (1). The stop block (16) includes upper and lower stop blocks and left and right stop blocks. The upper and lower stop blocks are parallel cubes and the left and right stop blocks are L-shaped cubes.

9. A hydraulic press head for variable-diameter rubber products according to claim 1, characterized in that, The outer frame (1) and the inner frame (2) are provided with a scale (14), and the outer side of the slide plate (7) is provided with a pointer (15) that matches the scale (14).

10. A hydraulic press head for variable-diameter rubber products according to claim 2, characterized in that, The skateboard (7) is embedded in the skateboard groove (8).

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