Sealing strip punching equipment with neat and burr-free notches

Abstract

The utility model relates to sealing strip punching equipment with neat notches and without burrs, which comprises two groups of product positioning punching mechanisms, the product positioning punching mechanisms are symmetrically arranged, each product positioning punching mechanism comprises a lower positioning table, an upper positioning table, a pressing mechanism and an upper cutter, the upper positioning table is movably arranged on the lower positioning table, the pressing mechanism is arranged on the lower positioning table, and the upper cutter is arranged on the lower positioning table. The opposite side faces of the upper positioning table and the lower positioning table are provided with mold cavities of the automobile sealing strip, the upper cutter is installed below the downward pressing mechanism, and the downward pressing mechanism drives the upper cutter to move downwards to penetrate through the upper positioning table to punch the automobile sealing strip. And the cutting knife mechanism is located between the product positioning and punching mechanisms and can slide to cut edges of the automobile sealing strips on the product positioning and punching mechanisms on the two sides of the cutting knife mechanism in a sliding mode. According to the utility model, a traditional cutter is changed into a combination of two cutters, namely the upper cutter and the lower cutter, so that no burr exists in a cut notch, the abrasion of the cutters is reduced, and the service life is prolonged.

Description

Technical Field

[0001] The present application belongs to the technical field of automobile sealing strip cutting, and in particular relates to a sealing strip punching device with neat incisions and no burrs. Background Art

[0002] A notch needs to be cut at one or both ends of the automobile sealing strip, and finally cut into a shape matching the automobile sealing strip installation groove, and installed on the corresponding end of the automobile. The existing cutting assembly basically consists of a moving module driving a cutter along a cutting track to cut a notch from the automobile sealing strip. However, this kind of cutting, especially when the cutter turns, is prone to leaving burrs at the turning point and the joint, so the automobile sealing strip with a notch cut has another process of grinding the burrs. In addition, this cutting method will also cause the wear of the cutter blade, thereby reducing the service life. Utility Model Content

[0003] The technical problem to be solved by the utility model is to solve the shortcomings of the prior art that burrs are easily generated during cutting and the blade of the cutter is easily worn, thereby providing a sealing strip punching device with neat incision and no burrs.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A sealing strip punching device with neat cuts and no burrs, comprising: a product positioning punching mechanism, wherein the product positioning punching mechanism is provided with two groups and is symmetrically arranged, the product positioning punching mechanism comprises a lower positioning platform, an upper positioning platform, a downward pressing mechanism, and an upper cutting knife, wherein the upper positioning platform is movably arranged on the lower positioning platform, and the sides opposite to the upper positioning platform and the lower positioning platform have a mold cavity for the automobile sealing strip, and the upper cutting knife is installed under the downward pressing mechanism, and the downward pressing mechanism drives the upper cutting knife to move downward through the upper positioning platform to punch the automobile sealing strip;

[0006] The cutting mechanism is located between the product positioning and punching mechanisms and can slide to cut the edges of the automobile sealing strips on the product positioning and punching mechanisms on both sides;

[0007] The cutting support mechanism is provided with two groups and is symmetrically arranged. The cutting support mechanism is located in the guiding direction of the product positioning punching mechanism, and supports and guides the automobile sealing strip to enter the product positioning punching mechanism;

[0008] The frame and the product positioning punching mechanism are installed under the frame.

[0009] Furthermore, positioning rods are provided at the four corners of the upper positioning platform, and positioning holes for the positioning rods to pass through are opened at the four corners of the upper positioning platform. The upper ends of the positioning rods are fixed to the top surface of the frame, and positioning springs are provided on two obliquely symmetrical positioning rods and between the upper positioning platform and the frame. A through hole for the upper cutter to pass through is opened on the upper positioning platform.

[0010] Furthermore, an orientation block is provided between the positioning rods, the orientation block is fixed on the positioning rod without a positioning spring, and the upper cutter can move up and down in the orientation block.

[0011] Furthermore, the pressing mechanism comprises a hydraulic cylinder installed on the frame, and the lower end of the hydraulic cylinder is connected to the upper cutter.

[0012] Furthermore, the cutting mechanism includes a positioning seat, a cylinder, a connecting frame, a guide wheel and a lower cutting knife. The piston end of the cylinder is installed on the positioning seat, the connecting frame is installed on the outer cylinder of the cylinder, two guide wheels are provided, respectively located on both sides of the connecting frame, the guide wheel is located in front of the sliding punching direction, and two lower cutting knives are provided, respectively arranged on the connecting frame immediately behind the guide wheel.

[0013] Furthermore, a guide rail is provided on the positioning seat, and the side of the connecting frame close to the guide rail is installed on the slider of the guide rail.

[0014] Furthermore, the cutting support mechanism includes a guide block and a support member capable of being inserted into the automobile sealing strip.

[0015] The beneficial effects of the utility model are:

[0016] 1. The traditional one-cut to complete two or more cutting directions cutting track cutting is changed to a combination of two cutters, namely the upper cutter and the lower cutter, so that the notch after cutting has no burrs, and the cutter reduces wear and tear and increases service life;

[0017] 2. In order to increase the service life of the upper cutter, the upper cutter is fixed on the upper positioning table through components such as the directional block. The upper cutter moves downward along the set direction to perform the punching action, and the directional block stably supports the upper cutter to prevent it from being deformed;

[0018] 3. Two sets of product positioning and punching mechanisms are set up to reasonably utilize the positions of structural components. Two automobile sealing strips can be cut at one time to improve cutting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The technical solution of the present application is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the present application;

[0021] Figure 2 is a schematic diagram of a three-dimensional structure from another viewing angle of an embodiment of the present application;

[0022] Figure 3 This is a schematic diagram of the cutting state structure of an embodiment of the present application;

[0023] The reference numerals in the figure are:

[0024] 10. Product positioning and punching mechanism, 11. Lower positioning platform, 12. Upper positioning platform, 13. Pressing mechanism, 14. Upper cutter, 15. Model cavity, 16. Positioning rod, 17. Positioning hole, 17.1. Orienting block, 18. Positioning spring, 19. Through hole, 20. Slicing mechanism, 21. Positioning seat, 22. Cylinder, 23. Connecting frame, 24. Guide wheel, 25. Lower cutter, 26. Guide rail, 30. Slicing support mechanism, 31. Guide block, 32. Support member, 40. Frame. DETAILED DESCRIPTION

[0025] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0026] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the invention of the present utility model, unless otherwise specified, "multiple" means two or more.

[0027] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood by specific circumstances.

[0028] The technical solution of the present application will be described in detail below with reference to the accompanying drawings and in combination with embodiments. Example

[0029] This embodiment provides a sealing strip punching device with a clean cut and no burrs, comprising:

[0030] The product positioning punching mechanism 10 is provided with two groups and symmetrically arranged. The product positioning punching mechanism 10 comprises a lower positioning platform 11, an upper positioning platform 12, a pressing mechanism 13, and an upper cutter 14. The upper positioning platform 12 is movably arranged on the lower positioning platform 11. The sides opposite to the upper positioning platform 12 and the lower positioning platform 11 have a mold cavity 15 for placing the automobile sealing strip. The upper cutter 14 is installed under the pressing mechanism 13. The pressing mechanism 13 drives the upper cutter 14 to move downward through the upper positioning platform 12 to punch the automobile sealing strip.

[0031] The cutting mechanism 20 is located between the product positioning and punching mechanisms 10 and can slide to cut the edges of the automobile sealing strips on the product positioning and punching mechanisms 10 on both sides thereof;

[0032] The cutting support mechanism 30 is provided with two groups and is symmetrically arranged. The cutting support mechanism 30 is located in the cutting direction of the cutting knife mechanism 20 to support the automobile sealing strip. Since the automobile sealing strip is relatively long, the cutting support mechanism is required to support it;

[0033] The frame 40 and the product positioning and punching mechanism 10 are installed under the frame 40, and the frame 40 is then installed on a workshop workbench / processing table.

[0034] As an embodiment of the utility model, in addition to the above structure, it also includes positioning rods 16 installed at the four corners of the upper positioning platform 12, and positioning holes 17 for the positioning rods 16 to pass through are opened at the four corners of the upper positioning platform 12. The upper ends of the positioning rods 16 are fixed to the top surface of the frame 40, and the upper positioning platform 12 can move up and down on the positioning rods 16. Positioning springs 18 are provided on two obliquely symmetrical positioning rods 16 and located between the upper positioning platform 12 and the frame 40. The positioning springs 18 apply pressure to the upper positioning platform 12 so that the upper The positioning platform 12 automatically presses the automobile sealing strip downwards. The downward punching requires that the cut part of the automobile sealing strip be fixed, so the automobile sealing strip is set to press the short side punching position part; a through hole 19 is opened on the upper positioning platform 12 for the upper cutter 14 to pass through, and the upper cutter 14 punches the compressed automobile sealing strip through the through hole 19; an orientation block 17.1 is provided between the positioning rods 16, and the orientation block 17.1 is fixed on the positioning rod 16 without the positioning spring 18, and the upper cutter 14 can move up and down in the orientation block 17.1.

[0035] As an embodiment of the present utility model, in addition to the above structure, the pressing mechanism 13 may include a hydraulic cylinder 13.1 installed on the frame 40, and the lower end of the hydraulic cylinder 13.1 is connected to the upper cutter 14.

[0036] As an embodiment of the utility model, in addition to the above structure, the cutting mechanism 20 may include a positioning seat 21, a cylinder 22, a connecting frame 23, a guide wheel 24 and a lower cutting knife 25. The piston end of the cylinder 22 is installed on the positioning seat 21, the connecting frame 23 is installed on the outer cylinder of the cylinder 22, and there are two guide wheels 24, which are respectively located on both sides of the connecting frame 23. The guide wheel 24 abuts against the automobile sealing strip and is convenient for sliding. The guide wheel 24 is located in front of the sliding punching direction. There are two lower cutting knives 25, which are respectively arranged on the connecting frame 23 immediately behind the guide wheel 24.

[0037] A guide rail 26 is installed on the positioning seat 21, and the side of the connecting frame 23 close to the guide rail 26 is installed on the slider of the guide rail 26, so that when the cylinder 22 drives the connecting frame 23 to move, the positioning is accurate and the movement of the connecting frame 23 is coordinated.

[0038] In order to stabilize the upper cutter 14 and improve the strength of the cutter so that it is not easily deformed when punching downward, a cutting support mechanism 30 is provided, which specifically includes a guide block 31 and a support member 32 that can be inserted into the automobile sealing strip.

[0039] The way this application works is:

[0040] Now place one end of the two automobile sealing strips on the corresponding product positioning and punching mechanisms, that is, each automobile sealing strip is placed in the mold cavity between the upper positioning platform and the lower positioning platform. At this time, under the action of the positioning spring, the upper positioning platform presses the automobile sealing strip, and the other parts are placed on the cutting support mechanism and fixed;

[0041] Then the downward pressure mechanism drives the upper cutter to move downward to cut a dividing gap in the automobile sealing strip. Then the cutting mechanism, driven by the cylinder, cuts part of one side of the automobile sealing strip. When the dividing gap is reached, it stops seven actions and returns. At this time, a cutting opening appears in the automobile sealing strip.

[0042] Based on the above ideal embodiments of this application, the relevant staff can make various changes and modifications without departing from the technical concept of this application through the above description. The technical scope of this application is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A sealing strip punching device with neat cuts and no burrs, characterized in that: include: The product positioning punching mechanism is provided with two groups and symmetrically arranged. The product positioning punching mechanism comprises a lower positioning platform, an upper positioning platform, a downward pressing mechanism, and an upper cutting knife. The upper positioning platform can be movably arranged on the lower positioning platform. The sides opposite to the upper positioning platform and the lower positioning platform have a mold cavity for placing the automobile sealing strip. The upper cutting knife is installed under the downward pressing mechanism. The downward pressing mechanism drives the upper cutting knife to move downward through the upper positioning platform to punch the automobile sealing strip. A cutting mechanism, the cutting mechanism is located between the product positioning and punching mechanisms, and can slide to cut the edges of the automobile sealing strips on the product positioning and punching mechanisms on both sides thereof; A cutting support mechanism, wherein the cutting support mechanism is provided with two groups and is symmetrically arranged, and the cutting support mechanism is located in the guiding direction of the product positioning punching mechanism, and supports and guides the automobile sealing strip to enter the product positioning punching mechanism; The product positioning and punching mechanism is installed under the frame.

2. A sealing strip punching device with clean cuts and no burrs according to claim 1, characterized in that: Positioning rods are provided at the four corners of the upper positioning platform, and positioning holes for the positioning rods to pass through are opened at the four corners of the upper positioning platform. The upper ends of the positioning rods are fixed to the top surface of the frame, and positioning springs are provided on two obliquely symmetrical positioning rods and between the upper positioning platform and the frame. A through hole for the upper cutter to pass through is opened on the upper positioning platform.

3. The sealing strip punching device with clean cuts and no burrs according to claim 2, characterized in that: An orientation block is arranged between the positioning rods, the orientation block is fixed on the positioning rod without a positioning spring, and the upper cutter can move up and down in the orientation block.

4. The sealing strip punching device with clean cuts and no burrs according to claim 1, characterized in that: The pressing mechanism comprises a hydraulic cylinder mounted on a frame, and the lower end of the hydraulic cylinder is connected to a cutter.

5. The sealing strip punching equipment with clean cuts and no burrs according to claim 1, characterized in that: The cutting mechanism includes a positioning seat, a cylinder, a connecting frame, a guide wheel and a lower cutting knife. The piston end of the cylinder is installed on the positioning seat, the connecting frame is installed on the outer cylinder of the cylinder, two guide wheels are provided, respectively located on both sides of the connecting frame, the guide wheel is located in front of the sliding punching direction, and two lower cutting knives are provided, respectively arranged on the connecting frame immediately behind the guide wheel.

6. The sealing strip punching device with clean cuts and no burrs according to claim 5, characterized in that: A guide rail is arranged on the positioning seat, and the side of the connecting frame close to the guide rail is installed on the sliding block of the guide rail.

7. The sealing strip punching equipment with clean cuts and no burrs according to claim 1, characterized in that: The cutting support mechanism comprises a guide block and a support member which can be inserted into the automobile sealing strip.

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