Screening device for rubber sealing strip production

Abstract

The utility model relates to a screening device for rubber sealing strip production, which belongs to the technical field of sealing strip correction and screening and comprises a guide table and a conveyor belt connected with the guide table and used for conveying sealing strips to the guide table, one end of the guide table is communicated with a sealing strip qualified mold, and the lower end of the sealing strip qualified mold is communicated with a qualified box. A correcting device for the unqualified sealing strips and a pushing device for pushing the unqualified sealing strips into the correcting device are installed on the guide table, and a feeding device is installed on the side, away from the qualified sealing strip mold, of the guide table. The sealing strips are pushed by the feeding device to move towards the sealing strip qualified die, the qualified sealing strips pass through the sealing strip qualified die and directly fall into the qualified box, the unqualified sealing strips enter the correcting device through the pushing device to be corrected, the structure is simple, deformed sealing strips can be conveniently screened out, and the production efficiency is improved. And secondary extrusion on all the sealing strips is not needed, so that the service life of the rubber seal is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing strip correction screening technical field, specifically point to a kind of screening device of rubber sealing strip production. BACKGROUND

[0002] Common sealing strip is mostly made of rubber, and the main processes of rubber sealing strip include rubber mixing, extrusion vulcanization and post-processing. In the rubber mixing process, various raw material formulations and temperature, pressure, time and other processing conditions are strictly controlled by computer. Granular or strip-shaped rubber mixtures are prepared. Suitable particles can be directly purchased for PVC and TPE sealing strips for direct extrusion processing.

[0003] In actual production, the extrusion and vulcanization processes of rubber sealing strips are usually combined. In the extrusion vulcanization process, various granular or strip-shaped rubber mixtures and skeleton materials are jointly extruded through the die of an extruder, and are vulcanized at high temperature. In this process, the design and manufacture of the die and the vulcanization method and conditions play a key role in the performance and quality of the product. If the die is not designed reasonably, it may cause fluctuations in pressure and cross-section of the sealing strip during extrusion, and defects such as gum scorching and poor combination of different flow channel materials may occur due to dead angles in the flow channel. The use of computer software for flow state simulation and digital die technology can improve the quality of the die and shorten the design and manufacturing cycle of the die. Over-vulcanization and under-vulcanization can adversely affect product quality. In terms of vulcanization technology, salt bath vulcanization has been rarely used due to environmental pollution. Most factories now use a combination of microwave and hot air heating, and the temperature, speed and pressure at each point on the production line are controlled by computer to ensure ideal vulcanization conditions and extrusion quality. Depending on the installation location of the sealing strip, some sealing strips need to be flocked on the surface, sprayed, and have adhesive added at the clamping position of the sealing strip. These processes can be completed online through special devices.

[0004] In the cutting process of the post-processing process, the sealing strip needs to be processed to the required shape and size. However, the rubber sealing may deform during cutting, making it unusable. The existing technology directly puts all the rubber seals into the mold forming process for correction, which is inefficient and also causes the qualified sealing strips to be subjected to secondary extrusion, reducing the service life of the rubber seals. UTILITY MODEL CONTENTS

[0005] The utility model solves the above technical problems and provides a screening device for rubber sealing strip production.

[0006] To solve the above technical problems, the utility model provides the technical scheme as follows:

[0007] The utility model provides a kind of screening device for rubber sealing strip production, including guide table and the conveying belt of connecting guide table and sealing strip to the guide table transport, the one end of the guide table is communicated sealing strip qualified mould, the lower end of the sealing strip qualified mould is communicated qualified box, the guide table is equipped with the correction device of unqualified sealing strip and the pushing device of pushing unqualified sealing strip into correction device, and the side of the guide table away from sealing strip qualified mould is equipped with feeding device.

[0008] Preferably, the feeding device includes a first telescopic rod and a guide block at the telescopic end of the first telescopic rod, and the first telescopic rod is fixedly connected to the guide table.

[0009] Preferably, the sealing strip qualified mould is of n-type structure, and the opening is downwardly communicated with the qualified box.

[0010] Preferably, the correction device includes a guide block communicated with the guide table and a correction box communicated with the guide block, a path hole is formed in the guide block and communicated with the correction box, a guide rod is slidably connected to the upper end of the correction box, a correction plate is mounted to the lower end of the guide rod, and an extrusion spring is mounted to the outer side of the guide rod and located in the correction box.

[0011] Preferably, the upper end of the guide block is upwardly inclined close to the guide table.

[0012] Preferably, a pull plate is mounted to the upper end of the guide rod, and a through hole is formed in the inner side of the upper end of the correction box and matched with the sliding of the guide rod.

[0013] Preferably, a pin hole is formed in the outer side of the correction box, and a pin plate is mounted in the pin hole and abuts against the correction plate.

[0014] Preferably, the pushing device includes a connecting plate connected to the guide table and a second telescopic rod fixedly connected to the connecting plate, and a pushing block is formed at the telescopic end of the second telescopic rod and faces the path hole.

[0015] With the above structure, the utility model has the following advantages:

[0016] The utility model discloses a feeding device for pushing the sealing strip to move towards the sealing strip qualified mould, and the qualified sealing strip falls directly into the qualified box after passing through the sealing strip qualified mould, and the unqualified sealing strip is corrected in the correction device after passing through the pushing device, so that the deformed sealing strip is conveniently screened out, the secondary extrusion of all sealing strips is not needed, and the service life of the rubber seal is improved.

[0017] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above-described illustrative aspects, embodiments, and features, further aspects, embodiments, and features of the utility model will be readily apparent from the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 is a structural schematic diagram of the utility model;

[0020] Figure 2 is a top view of the utility model;

[0021] Figure 3 is a sectional view of point A-A of the utility model;

[0022] Figure 4 is a structural schematic diagram of the sectional view of point A-A of the utility model;

[0023] Figure 5 is a use schematic diagram of the utility model.

[0024] As shown in the figure: 1, guide table; 2, conveying belt; 3, sealing strip qualified mold; 4, qualified box; 5, correction device; 501, guide block; 502, correction box; 503, path hole; 504, guide rod; 505, correction plate; 506, extrusion spring; 6, pushing device; 601, second telescopic rod; 602, push block; 603, connecting plate; 7, feeding device; 701, first telescopic rod; 702, guide block; 8, pull plate; 9, pin hole; 10, pin plate. DETAILED DESCRIPTION

[0025] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0026] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] The utility model discloses make further detailed explanation in combination with the full text.

[0028] In combination with the drawings Figures 1-5 A screening device for rubber sealing strip production, comprising a guide table 1 and a conveying belt 2 connected to the guide table 1 and conveying sealing strips to the guide table 1, the conveying belt 2 being prior art, the conveying belt 2 conveying the cut sealing strips towards the guide table 1, one end of the guide table 1 being connected to a sealing strip qualified mold 3, the lower end of the sealing strip qualified mold 3 being connected to a qualified box 4, the guide table 1 being provided with a correction device 5 for unqualified sealing strips and a pushing device 6 for pushing the unqualified sealing strips into the correction device 5, a feeding device 7 being installed on the side of the guide table 1 away from the sealing strip qualified mold 3, the feeding device 7 pushing the sealing strips to move towards the sealing strip qualified mold 3, the sealing strips entering the sealing strip qualified mold 3 being qualified products and the sealing strips not entering the sealing strip qualified mold 3 being unqualified products, the feeding device 7 pushing the sealing strips to move towards the sealing strip qualified mold 3, the qualified sealing strips passing through the sealing strip qualified mold 3 and directly falling into the qualified box 4.

[0029] In the specific implementation of the utility model, as shown in Figure 1 and Figure 5 , the feeding device 7 comprises a first telescopic rod 701 and a guide block 702 at the telescopic end of the first telescopic rod 701, and the first telescopic rod 701 is fixedly connected to the guide table 1. The first telescopic rod 701 works to push the sealing strips on the conveying belt 2 through the guide block 702, push the sealing strips to move towards the sealing strip qualified mold 3, and detect the sealing strips through the sealing strip qualified mold 3, the sealing strip qualified mold 3 being an n-shaped structure with an opening downwardly connected to the qualified box 4, the qualified sealing strips passing through the sealing strip qualified mold 3 and directly falling into the qualified box 4 due to the weight, and the unqualified sealing strips being unable to enter the sealing strip qualified mold 3, at which time the first telescopic rod 701 is reset, and the unqualified sealing strips are located on the guide table 1 in front of the sealing strip qualified mold 3.

[0030] In the specific implementation of the utility model, as shown in Figure 1 and Figure 5 , the pushing device 6 comprises a connecting plate 603 connected to the guide table 1 and a second telescopic rod 601 fixedly connected to the connecting plate 603, a push block 602 at the telescopic end of the second telescopic rod 601 and facing the path hole 503, the unqualified sealing strips being located on the guide table 1 in front of the sealing strip qualified mold 3, the second telescopic rod 601 working to push the unqualified sealing strips into the path hole 503 through the push block 602, the upper end of the guide block 501 being an upwardly inclined structure close to the guide table 1, being suitable for a plurality of deformed unqualified sealing strips, and the unqualified sealing strips falling into the correction box 502.

[0031] In the specific implementation of the utility model, as shown in Figures 1-5As shown, the correction device 5 includes a guide block 501 connected with the guide table 1 and a correction box 502 connected with the guide block 501, a path hole 503 is formed in the guide block 501 and communicates with the correction box 502, a guide rod 504 is slidably connected to the upper end of the correction box 502, a correction plate 505 is installed at the lower end of the guide rod 504, an extrusion spring 506 is installed at the outer side of the guide rod 504 and located in the correction box 502, the upper end of the guide block 501 is inclined upward and close to the guide table 1, a pull plate 8 is installed at the upper end of the guide rod 504, a through hole is formed in the inner side of the upper end of the correction box 502 and matched with the sliding of the guide rod 504, the unqualified sealing strip falls into the correction box 502, the extrusion spring 506 pushes the correction plate 505 to be close to the unqualified sealing strip to extrude the unqualified sealing strip, and the unqualified sealing strip is corrected.

[0032] In the specific implementation of the utility model, the outer side of the correction box 502 is provided with a pin hole 9, and a pin plate 10 is installed in the pin hole 9 to abut against the correction plate 505. The pin plate 10 can be inserted into the pin hole 9, and the pin plate 10 abuts against the correction plate 505 so that the correction plate 505 cannot extrude the unqualified sealing strip and cannot work.

[0033] Embodiment one:

[0034] The conveying belt 2 conveys the cut sealing strip towards the guide table 1, the first telescopic rod 701 works, pushes the sealing strip on the conveying belt 2 through the guide block 702, pushes the sealing strip towards the sealing strip qualified mold 3, detects through the sealing strip qualified mold 3, the qualified sealing strip passes through the sealing strip qualified mold 3 and directly falls into the qualified box 4 due to the weight, the first telescopic rod 701 resets, waits for the sealing strip on the conveying belt 2, and reciprocatingly works.

[0035] Embodiment two:

[0036] The conveying belt 2 conveys the cut sealing strip towards the guide table 1, the first telescopic rod 701 works, pushes the sealing strip on the conveying belt 2 through the guide block 702, pushes the sealing strip towards the sealing strip qualified mold 3, detects through the sealing strip qualified mold 3, the unqualified sealing strip cannot enter the sealing strip qualified mold 3, at this time, the first telescopic rod 701 resets, the unqualified sealing strip is located on the guide table 1 in front of the sealing strip qualified mold 3, the second telescopic rod 601 works, pushes the unqualified sealing strip into the path hole 503 through the push block 602, so that the unqualified sealing strip falls into the correction box 502, the second telescopic rod 601 resets and waits for the unqualified sealing strip, at this time, the pin plate 10 is inserted into the pin hole 9, the pin plate 10 abuts against the correction plate 505 so that the correction plate 505 cannot extrude the unqualified sealing strip, waits for a certain number of unqualified sealing strips in the correction box 502, removes the pin plate 10, the extrusion spring 506 pushes the correction plate 505 to be close to the unqualified sealing strip to extrude the unqualified sealing strip, and the unqualified sealing strip is corrected.

[0037] The above describes the utility model and its implementation, this kind of description has no limit, the embodiment of the utility model shown in the full text is only one, the actual structure is not limited to this. In general, if the ordinary skilled person in the art is inspired, without departing from the utility model creation purpose, the similar structure mode and embodiment of the technical scheme are not created creatively, which should belong to the protection scope of the utility model.

Claims

1. A screening device for the production of rubber sealing strips, comprising a guide table (1) and a conveyor belt (2) connected to the guide table (1) and conveying the sealing strips towards the guide table (1), characterized in that One end of the guide table (1) is communicated with the sealing strip qualified mold (3), the lower end of the sealing strip qualified mold (3) is communicated with the qualified box (4), the guide table (1) is installed with the correction device (5) of unqualified sealing strip and the pushing device (6) of pushing unqualified sealing strip into the correction device (5), the side of the guide table (1) away from the sealing strip qualified mold (3) is installed with the feeding device (7).

2. A screening device for the production of rubber sealing strips according to claim 1, characterized in that The feeding device (7) comprises a first telescopic rod (701) and a guide block (702) at the telescopic end of the first telescopic rod (701), and the first telescopic rod (701) is fixedly connected to the guide table (1).

3. A screening device for the production of rubber sealing strips according to claim 1, characterized in that The sealing strip qualified mold (3) is of n-shaped structure, and the opening is downward communicated with the qualified box (4).

4. The screening apparatus for producing a rubber weather strip according to claim 1, wherein: The correction device (5) comprises a guide block (501) communicated with the guide table (1) and a correction box (502) communicated with the guide block (501), a path hole (503) is formed in the guide block (501) and communicated with the correction box (502), a guide rod (504) is slidably connected to the upper end of the correction box (502), a correction plate (505) is installed at the lower end of the guide rod (504), and an extrusion spring (506) is installed outside the guide rod (504) and located in the correction box (502).

5. A screening apparatus for the production of rubber sealing strips according to claim 4, characterized in that: The upper end of the guide block (501) is upwardly inclined close to the guide table (1).

6. A screening apparatus for the production of rubber weatherseals as claimed in claim 4, characterised in that: A pull plate (8) is installed at the upper end of the guide rod (504), and a through hole is formed in the inner side of the upper end of the correction box (502) and matched with the sliding of the guide rod (504).

7. A screening apparatus for the production of rubber sealing strips according to claim 4, characterized in that: A pin hole (9) is formed in the outer side of the correction box (502), and a pin plate (10) is installed in the pin hole (9) and abuts against the correction plate (505).

8. A screening apparatus for the production of rubber sealing strips according to claim 4, characterized in that: The pushing device (6) comprises a connecting plate (603) connected to the guide table (1) and a second telescopic rod (601) fixedly connected to the connecting plate (603), and a push block (602) is arranged at the telescopic end of the second telescopic rod (601) and opposite to the path hole (503).

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