Deflashing tool for sealing strip

By designing a tooling system for removing burrs from sealing strips, and utilizing linear drive and stamping components to automatically remove burrs from the inner hole of the sealing strip, the problem of cumbersome burr removal and product scratching in existing technologies has been solved, achieving efficient production and a high pass rate.

CN223657193UActive Publication Date: 2025-12-12ANHUI NINGGUGO ZHONGDING MOLD MFG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422722174.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-12-12
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

In the current sealing strip production process, the process of removing burrs is complicated and may scratch the product, resulting in low efficiency and a low pass rate.

Method used

Design a tooling for removing flash from sealing strips, including a base plate, a linear drive, a sealing strip fixing plate, an ejector fixing plate, an ejector pin, a stamping assembly, and other components. Through the synergistic action of the linear drive and the stamping assembly, the flash in the inner hole of the sealing strip is automatically removed.

Benefits of technology

It improved the efficiency of deflash removal, increased the product qualification rate, and saved labor and tooling costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223657193U_ABST
    Figure CN223657193U_ABST
Patent Text Reader

Abstract

The utility model discloses a deflashing tool for a sealing strip, which relates to the technical field of sealing manufacture and comprises a bottom plate, a linear driver fixedly mounted on the bottom plate, a sealing strip fixing plate mounted on an output shaft of the linear driver, an ejector pin fixing plate mounted below the sealing strip fixing plate, and an ejector pin mounted at the top end of the ejector pin fixing plate. The ejector pin can penetrate through an inner hole of the sealing strip, and a stamping assembly is installed above the sealing strip fixing plate. The tool is simple in structure but efficient, the deburring efficiency is greatly improved, the qualified rate of products is increased, and meanwhile the labor cost and the tool cost are saved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to sealing manufacturing technical field, especially relate to a sealing strip deburring tool. BACKGROUND

[0002] Some sealing strips are only made at the edge, and some sealing strips are also opened in the headquarters, which can accommodate the insertion of other components and seal the local part. During the production of such sealing strips, the flash of the inner hole needs to be pulled out one by one by the operator using tweezers and other tools. This method of removing the flash is complicated and inefficient, and the product may be scratched during the operation process, reducing the product's qualification rate. INVENTION CONTENTS

[0003] In view of the problems mentioned in the background art, the utility model aims to provide a sealing strip deburring tool to solve the problems mentioned in the background art.

[0004] The above technical purpose of the utility model is realized by the following technical scheme:

[0005] A sealing strip deburring tool, comprising a bottom plate, a linear drive fixedly installed on the bottom plate, a sealing strip fixing plate installed on the output shaft of the linear drive, a thimble fixing plate installed below the sealing strip fixing plate, a thimble installed at the top end of the thimble fixing plate, the thimble being capable of penetrating the inner hole of the sealing strip, and a stamping assembly installed above the sealing strip fixing plate.

[0006] As a preferred technical scheme, an operating hole penetrating upward and downward is formed in the middle of the sealing strip fixing plate, a plasticizing edge for plasticizing is installed around the operating hole, and a baffle is installed at the inner wall of the operating hole along the length direction of the operating hole.

[0007] As a preferred technical scheme, the thimble fixing plate and the bottom plate are fixedly connected through an elastic element two, a limiting rod is inserted in the elastic element two, and the bottom end of the limiting rod is fixedly connected with the bottom plate.

[0008] As a preferred technical scheme, a limiting cap with a diameter larger than that of the limiting rod is arranged at the top end of the limiting rod, a plug hole for inserting the limiting rod is formed in the thimble fixing plate, and the limiting cap is located above the plug hole and has a diameter larger than that of the plug hole.

[0009] As a preferred technical scheme, the linear drive is a gas cylinder, a group of gas cylinder fixing plates are installed at both ends of the bottom plate, the gas cylinder is installed between the gas cylinder fixing plate and the bottom plate, and the distance between the top end of the gas cylinder fixing plate and the top end of the thimble is greater than the height of the sealing strip.

[0010] As a preferred technical scheme, the stamping assembly comprises a punch knife fixing plate, the punch knife fixing plate is installed with a punch knife at the bottom end, the punch knife fixing plate is installed with a pressing plate through an elastic element one at the bottom end, and a through slot for accommodating the punch knife is formed in the pressing plate.

[0011] As a preferred technical solution, a guide rod two is installed on the bottom plate, and the guide rod two is sequentially connected with the thimble fixing plate, the sealing strip fixing plate and the pressing plate in a sliding mode.

[0012] As a preferred technical solution, a connecting head is installed on the output end of the pressing machine, a cover plate is installed at the bottom end of the connecting head, and the punch fixed plate is installed at the bottom end of the cover plate.

[0013] Beneficial effects

[0014] The tooling is simple in structure but high in efficiency, greatly improves the burr removing efficiency, improves the product qualification rate, and saves the labor cost and tooling cost.

[0015] Additional aspects and advantages of the present application will be given in part in the following description, become apparent from the following description, or be understood from the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure of a sealing strip burr removing tooling is provided in the present application Figure 1

[0017] Figure 2 A three-dimensional structure of a sealing strip burr removing tooling is provided in the present application Figure 2 ;

[0018] Figure 3 A left view of a sealing strip burr removing tooling is provided in the present application

[0019] Figure 4 A front cross-sectional view of a sealing strip burr removing tooling is provided in the present application

[0020] Figure 5 A Figure 4 enlarged view of A in the middle

[0021] Figure 6 A three-dimensional structure of a sealing strip

[0022] Figure 7 A three-dimensional structure of a sealing strip fixing plate

[0023] Reference signs: 1. connecting head; 2. cover plate; 3. punch fixed plate; 4. pressing plate; 5. sealing strip fixing plate; 51. shaping edge; 52. stop strip; 53. operation hole; 6. thimble fixing plate; 7. bottom plate; 8. punch; 9. sealing strip; 10. thimble; 11. straight line drive; 12. cylinder fixing plate; 13. guide rod one; 14. guide rod two; 15. elastic member one; 16. elastic member two; 17. vertical rod; 18. limiting rod. DETAILED DESCRIPTION

[0024] Embodiments of the present application will be described in detail below, examples of which are represented in the drawings, wherein identical or similar symbols represent identical or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application and cannot be understood as limiting the present application.

[0025] Embodiment 1

[0026] Reference Figures 1 to 7 The sealing strip deburring tool comprises a connecting head 1 installed on the output end of a press, a cover plate 2 installed at the bottom end of the connecting head 1, a punch fixed plate 3 installed at the bottom end of the cover plate 2, a plurality of punches 8 installed at the bottom end of the punch fixed plate 3, and the positions and quantities of the punches 8 are set according to actual production needs. For example, in this embodiment, the sealing strip 9 to be produced is in a strip shape, and two rows of equidistant inner holes are formed along the length direction, and accordingly, two rows of equidistant punches 8 are arranged at the bottom end of the punch fixed plate 3. The punch fixed plate 3 is installed with a pressing plate 4 through an elastic member 15 at the bottom end, and the pressing plate 4 is provided with a through slot for accommodating the punches 8.

[0027] A vertical rod 17 is inserted in the elastic member 15, the bottom end of the vertical rod 17 is fixedly connected with the pressing plate 4, and the top end of the vertical rod 17 is slidably connected with the punch fixed plate 3 and the cover plate 2.

[0028] The bottom plate 7 is further provided with a group of cylinder fixed plates 12 installed at both ends, a linear drive 11 is fixedly installed between the cylinder fixed plate 12 and the bottom plate 7, the same group of sealing strip fixed plates 5 are installed on the output shafts of the two linear drives 11, the sealing strip fixed plates 5 are located below the pressing plate 4, a plurality of elastic members 16 are installed on the bottom plate 7 between the two linear drives 11, the same group of needle fixed plates 6 are installed at the top ends of the elastic members 16, a plurality of needles 10 are installed at the top ends of the needle fixed plates 6, and the needles 10 are located directly below the punches 8 and correspond to the punches 8 one by one.

[0029] Preferably, the linear drive 11 is a cylinder, and it is worth noting that the cylinder is only one of the linear drive 11 devices, and is not the only choice.

[0030] The distance between the top end of the needle 10 and the top end of the cylinder fixed plate 12 is greater than the height of the sealing strip 9.

[0031] A limiting rod 18 is inserted in the elastic member 16, the bottom end of the limiting rod 18 is fixedly connected with the bottom plate 7, and a limiting cap with a diameter greater than that of the limiting rod 18 is arranged at the top end of the limiting rod 18. A plug hole is formed in the needle fixed plate 6 for the insertion of the limiting rod 18, the limiting cap is located above the plug hole, and the diameter of the limiting cap is greater than that of the plug hole.

[0032] The middle part of the sealing strip fixing plate 5 is provided with an operating hole 53 penetrating from top to bottom, a plastic edge 51 for injection molding is arranged around the operating hole 53, and a plurality of groups of stoppers 52 are arranged at equal intervals on the inner walls of the operating hole 53.

[0033] The sealing strip fixing plate 5 is further provided with a guide rod 13, the guide rod 13 is sequentially connected with the pressing plate 4, the punching knife fixing plate 3 and the cover plate 2 in a sliding mode, and the bottom plate 7 is provided with a guide rod 14, the guide rod 14 is sequentially connected with the ejector pin fixing plate 6, the sealing strip fixing plate 5 and the pressing plate 4 in a sliding mode.

[0034] The sealing strip 9 is molded into a blank without an inner hole on the sealing strip fixing plate 5 by the plastic edge, then the press drives the connecting head 1, the cover plate 2, the punching knife fixing plate 3 and the pressing plate 4 to descend along the guide rod 13, when the pressing plate 4 contacts the upper surface of the blank, the elastic member 15 is compressed, the punching knife fixing plate 3 drives the punching knife 8 to continue to descend and punch the inner hole on the blank, then the press rises, drives the punching knife 8 to pull out the sealing strip 9, and the pressing plate 4 leaves the sealing strip 9, thereby completing the punching process.

[0035] Some burrs punched out may be adhered to the inner hole wall, in order to remove all the burrs, the straight line drive 11 drives the sealing strip fixing plate 5 to descend as a whole, the sealing strip fixing plate 5 descends along the guide rod 14, and the ejector pin 10 penetrates through the operating hole 53 to eject the burrs; the relative action of the ejector pin 10 and the sealing strip 9 may drive the ejector pin fixing plate 6 to have a downward pressure, the elastic member 16 is used for buffering the pressure received by the ejector pin fixing plate 6, thereby reducing the damage rate, and the limiting rod 18 plays a guiding role and guarantees the stability of the ejector pin fixing plate 6 when returning to the initial position.

[0036] It should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0037] In addition, the terms "first" and "second" are only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0038] In the present application, unless otherwise expressly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or communicate with each other; 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, unless otherwise expressly limited. 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.

[0039] In the present application, unless otherwise expressly specified and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0040] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A seal strip deburring tool comprising a base plate (7), characterised in that: The bottom plate (7) is fixedly provided with a linear drive (11), the output shaft of the linear drive (11) is provided with a sealing strip fixing plate (5), the sealing strip fixing plate (5) is provided below with a thimble fixing plate (6), the thimble fixing plate (6) is provided at the top end with a thimble (10), the thimble (10) can pass through the inner hole of the sealing strip (9), the sealing strip fixing plate (5) is provided above with a stamping assembly.

2. The seal bar de-burring tool of claim 1, wherein: The sealing strip fixing plate (5) is provided in the middle with an up-and-down penetrating operation hole (53), a circle of plastic shaping edges (51) for injection molding is installed along the operation hole (53), and the inner walls on both sides of the operation hole (53) are provided with equally spaced check strips (52).

3. The seal bar de-burring tool of claim 1, wherein: The thimble fixing plate (6) and the bottom plate (7) are fixedly connected through the elastic member two (16), the elastic member two (16) is provided with a limiting rod (18) inserted therein, and the bottom end of the limiting rod (18) is fixedly connected with the bottom plate (7).

4. The seal bar de-burring tool of claim 3, wherein: The top end of the limiting rod (18) is provided with a limiting cap with a diameter larger than that of the limiting rod (18), and the thimble fixing plate (6) is provided with a plug hole corresponding to the insertion of the limiting rod (18), the limiting cap is located above the plug hole and the diameter of the limiting cap is larger than that of the plug hole.

5. The seal bar de-burring tool of claim 1, wherein: The linear drive (11) is a gas cylinder, and a group of gas cylinder fixing plates (12) are respectively installed at both ends of the bottom plate (7), the gas cylinder is installed between the gas cylinder fixing plate (12) and the bottom plate (7), and the distance between the top end of the thimble (10) and the top end of the gas cylinder fixing plate (12) is greater than the height of the sealing strip (9).

6. The seal bar de-burring tool of claim 1, wherein: The stamping assembly comprises a stamping knife fixing plate (3), the stamping knife fixing plate (3) is provided at the bottom end with a stamping knife (8), the stamping knife fixing plate (3) is provided at the bottom end with a pressing plate (4) through the elastic member one (15), and the pressing plate (4) is provided with a through groove for accommodating the insertion of the stamping knife (8).

7. The seal bar de-burring tool of claim 6, wherein: The bottom plate (7) is provided with a guide rod two (14), which is sequentially and slidingly connected with the thimble fixing plate (6), the sealing strip fixing plate (5) and the pressing plate (4).

8. The seal bar de-burring tool of claim 6, wherein: The output end of the pressing machine is provided with a connecting head (1), the connecting head (1) is provided at the bottom end with a cover plate (2), and the stamping knife fixing plate (3) is installed at the bottom end of the cover plate (2).