Composite cutting-up and punching device for special-shaped notch of sealing strip of sliding door groove of vehicle body

Abstract

The utility model relates to a vehicle body sliding door groove sealing strip special-shaped notch composite cutting-up and punching device which comprises a female die assembly for fixing a vehicle body sliding door groove sealing strip, a material pressing power source is arranged above the female die assembly, the bottom of a piston rod of the material pressing power source is connected with a material pressing positioning block, and a cutter power source is arranged in front of the female die assembly. A piston rod of the cutter power source faces the female die assembly and is connected with a cutter, a scratching knife power source is arranged on the right side of the female die assembly, a piston rod of the scratching knife power source faces the female die assembly and is connected with a scratching knife fixing base, a 7-shaped installation frame is arranged on the scratching knife fixing base, and a scratching knife is installed on the rear side of the 7-shaped installation frame. And a guide block is arranged on a vertical plate of the 7-shaped mounting frame facing the female die assembly. The cutting-up and punching operation of the special-shaped notch of the sealing strip of the sliding door groove of the vehicle body is realized, the feeding resistance is reduced, the feeding efficiency is improved, the scratch of the appearance surface is reduced, the strength of the female die is improved, and the quality of the notch is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile sealing component processing, in particular to a composite scoring and punching device for special-shaped incisions of a sliding door groove sealing strip of a vehicle body. Background Art

[0002] Punching the end of the sliding gate groove has always been a major problem. The sliding gate groove sealing strip bubble tube is a hollow structure and the incision is located on the inside, which leads to insufficient strength of the die. In addition, during the feeding process, the surface of the sealing strip contacts and rubs with parts such as the die, generating resistance, making feeding more difficult, easily scratching the appearance of the sealing strip, and causing quality defects in the incision.

[0003] At present, the processing of sliding door groove sealing strip bubble tubes adopts the method of top-down punching by L-shaped cutter driven by cylinder. This method has the following disadvantages: first, the cutting edge profile needs to conform to the profile, and the processing cost is high; second, the incision position is close to the inner L-mouth, and the strength of the overhanging part of the die is insufficient; third, in order to ensure the accurate position during punching, it makes feeding difficult. Utility Model Content

[0004] The utility model aims to solve the deficiencies of the prior art and provides a composite scoring and punching device for the special-shaped incision of a vehicle body sliding door groove sealing strip.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A composite scoring and punching device for special-shaped incisions of a vehicle body sliding door groove sealing strip comprises a die assembly for fixing the vehicle body sliding door groove sealing strip, a pressing power source is arranged above the die assembly, a pressing positioning block is connected to the bottom of the piston rod of the pressing power source, a cutter power source is arranged in front of the die assembly, the piston rod of the cutter power source faces the die assembly and is connected to a cutter, a scoring power source is arranged on the right side of the die assembly, the piston rod of the scoring power source faces the die assembly and is connected to a scoring fixing seat, a "7"-shaped mounting frame is arranged on the scoring fixing seat, a scoring knife is installed on the rear side of the "7"-shaped mounting frame, a guide block is arranged on the vertical plate of the "7"-shaped mounting frame facing the die assembly.

[0007] A mounting seat is provided on the right side of the die assembly, and a vertical plate fixed by a horizontal connecting plate is provided on the right side of the mounting seat, a horizontal support plate is provided on the top of the vertical plate, a positioning rod is passed through the mounting seat, a reset rod is passed through the vertical plate, one end of the reset rod is connected to the positioning rod, a reset spring is sleeved on the reset rod, the reset spring is in contact between the positioning rod and the vertical plate, an induction ring is installed on the reset rod, an induction switch is installed on the horizontal support plate, the induction ring is located below the induction switch, the induction switch is connected to a controller, and the controller is connected to a pressing power source, a cutting knife power source, and a scratching knife power source.

[0008] The beneficial effects of the utility model are as follows: the utility model realizes the cutting and punching operation of the special-shaped incision of the sliding door groove sealing strip of the vehicle body, reduces the feeding resistance, improves the feeding efficiency, reduces the scratches on the appearance surface, improves the strength of the die, and improves the incision quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the structure of the utility model;

[0010] Figure 2 It is a schematic diagram of the contact between the press positioning block and the sealing strip of the sliding door groove of the vehicle body;

[0011] Figure 3 It is a schematic diagram of the scratching knife and the guide block on the scratching knife fixing seat;

[0012] Figure 4 It is a schematic diagram of a positioning rod, a reset rod, a reset spring, an induction ring and an induction switch;

[0013] In the figure: 1-die assembly; 2-pressing power source; 3-pressing positioning block; 4-cutter power source; 5-cutter; 6-scratching power source; 7-scratching fixing seat; 8-"7" shaped mounting frame; 9-scratching; 10-guide block; 11-mounting seat; 12-horizontal connecting plate; 13-vertical plate; 14-horizontal support plate; 15-positioning rod; 16-reset rod; 17-reset spring; 18-induction ring; 19-induction switch; 20-arc-shaped pressing block; 21-body sliding door slot sealing strip;

[0014] 101-first concave mold; 102-second concave mold; 103-third concave mold;

[0015] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings. DETAILED DESCRIPTION

[0016] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0017] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0020] A composite cutting and punching device for special-shaped cuts of a sliding door groove sealing strip of a vehicle body, such as Figures 1 to 4 As shown, it includes a die assembly 1, a pressing power source 2, a pressing positioning block 3, a cutter power source 4, a cutter 5, a scratching knife power source 6, a scratching knife fixing seat 7, a "7"-shaped mounting frame 8, a scratching knife 9, a guide block 10, a mounting seat 11, a horizontal connecting plate 12, a vertical stand 13, a horizontal support plate 14, a positioning rod 15, a reset rod 16, a reset spring 17, an induction ring 18, an induction switch 19 and an arc-shaped pressing block 20.

[0021] The die assembly 1 is used to fix the vehicle body sliding door groove sealing strip 21. The die assembly 1 includes a first die 101 and a second die 102 which are arranged up and down. A third die 103 is arranged in front of the first die 101 and the second die 102. The vehicle body sliding door groove sealing strip 21 is arranged between the first die 101, the second die 102 and the third die 103.

[0022] A material pressing power source 2 is provided above the die assembly 1 , and a material pressing positioning block 3 is connected to the bottom of the piston rod of the material pressing power source 2 .

[0023] An arc-shaped pressing block 20 corresponding to the arc-shaped groove at the top of the sliding door groove sealing strip 21 of the vehicle body is provided at the bottom of the pressing and positioning block 3 .

[0024] A cutter power source 4 is provided in front of the die assembly 1 , a piston rod of the cutter power source 4 faces the die assembly 1 and is connected to a cutter 5 , and a through slot for the cutter 5 to pass through is provided on the third die 103 .

[0025] A cutter power source 6 is provided on the right side of the die assembly 1. The piston rod of the cutter power source 6 faces the die assembly 1 and is connected to a cutter fixing seat 7. A "7"-shaped mounting bracket 8 is provided on the cutter fixing seat 7. A cutter 9 is installed on the rear side of the "7"-shaped mounting bracket 8. A guide block 10 is provided on the vertical plate of the "7"-shaped mounting bracket 8 facing the die assembly 1.

[0026] A mounting seat 11 is provided on the right side of the die assembly 1, and a vertical stand 13 is fixed by a horizontal connecting plate 12 on the right side of the mounting seat 11, and a horizontal support plate 14 is provided on the top of the vertical stand 13. A positioning rod 15 is passed through the mounting seat 11, and a reset rod 16 is passed through the vertical stand 13. One end of the reset rod 16 is connected to the positioning rod 15, and a reset spring 17 is sleeved on the reset rod 16. The reset spring 17 is in contact between the positioning rod 15 and the vertical stand 13. An induction ring 18 is installed on the reset rod 16, and an induction switch 19 is installed on the horizontal support plate 14. The induction ring 18 is located below the induction switch 19, and the induction switch 19 is connected to a controller, which is connected to a pressing power source 2, a cutting knife power source 4, and a scratching knife power source 6.

[0027] The forms of the pressing power source 2, the cutting power source 4, and the scratching power source 6 are not fixed, as long as they can realize the driving function, for example, a pneumatic cylinder or an oil cylinder can be used.

[0028] When the utility model is working, after the sealing strip 21 of the sliding door groove of the vehicle body is in place, the pressing power source 2 drives the pressing positioning block 3 to press down, and the arc-shaped pressing block 20 clamps the arc-shaped groove at the top of the sealing strip 21 of the sliding door groove of the vehicle body, and then the cutting power source 6 drives the cutting knife fixing seat 7 to move to the left, and the guide block 10 is inserted into the inner hole of the sealing strip 21 of the sliding door groove of the vehicle body to achieve correction, and in this process, the cutting knife 9 is used to cut the sealing strip 21 of the sliding door groove of the vehicle body. After the cutting is completed, the cutting knife power source 6 drives the cutting knife fixing seat 7, the cutting knife 9 and the guide block 10 to retreat and reset, and finally the cutting knife power source 4 drives the cutting knife 5 to cut off the cut part.

[0029] In order to realize the intelligent control of the action, the utility model is designed with an induction ring 18 and an induction switch 19. When the sealing strip 21 of the sliding door groove of the vehicle body contacts the positioning rod 15, the positioning rod 15 is squeezed and the reset rod 16 moves. When the sealing strip 21 of the sliding door groove of the vehicle body is in place, the reset rod 16 drives the induction ring 18 above to just below the induction switch 19. The induction switch 19 senses the signal and transmits it to the controller. The controller then controls the action of the pressing power source 2, and in turn controls the actions of the scraping power source 6 and the cutting power source 4 to realize intelligent control.

[0030] The induction ring 18, the induction switch 19 and the controller may be conventional products on the market, as long as they can achieve the functions.

[0031] The utility model realizes the cutting and punching operation of the special-shaped cut of the sliding door groove sealing strip 21 of the vehicle body, reduces the feeding resistance, improves the feeding efficiency, reduces the scratches on the appearance surface, improves the strength of the die, and improves the cut quality.

[0032] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A composite cutting and punching device for special-shaped incisions of a sliding door groove sealing strip of a vehicle body, characterized in that: The invention comprises a die assembly (1) for fixing a sealing strip (21) of a sliding door groove of a vehicle body, a material pressing power source (2) being provided above the die assembly (1), a material pressing positioning block (3) being connected to the bottom of a piston rod of the material pressing power source (2), a cutter power source (4) being provided in front of the die assembly (1), a piston rod of the cutter power source (4) facing the die assembly (1) and being connected to a cutter (5), a scratching power source (6) being provided on the right side of the die assembly (1), a piston rod of the scratching power source (6) facing the die assembly (1) and being connected to a scratching fixing seat (7), a "7"-shaped mounting frame (8) being provided on the scratching fixing seat (7), a scratching knife (9) being installed on the rear side of the "7"-shaped mounting frame (8), and a guide block (10) being provided on a vertical plate of the "7"-shaped mounting frame (8) facing the die assembly (1).

2. The composite scoring and punching device for special-shaped incisions of a vehicle body sliding door groove sealing strip according to claim 1, characterized in that: A mounting seat (11) is provided on the right side of the die assembly (1). A vertical stand (13) is fixed on the right side of the mounting seat (11) through a horizontal connecting plate (12). A horizontal support plate (14) is provided on the top of the vertical stand (13). A positioning rod (15) is passed through the mounting seat (11). A reset rod (16) is passed through the vertical stand (13). One end of the reset rod (16) is connected to the positioning rod (15). A reset spring (17) is sleeved on the reset rod (16). The reset spring (17) abuts between the positioning rod (15) and the vertical stand (13). An induction ring (18) is installed on the reset rod (16). An induction switch (19) is installed on the horizontal support plate (14). The induction ring (18) is located below the induction switch (19). The induction switch (19) is connected to a controller. The controller is connected to a pressing power source (2), a cutting knife power source (4), and a scratching knife power source (6).

3. The composite scoring and punching device for special-shaped incisions of a vehicle body sliding door groove sealing strip according to claim 2, characterized in that: The die assembly (1) comprises a first die (101) and a second die (102) which are arranged one above the other. A third die (103) is arranged in front of the first die (101) and the second die (102). The vehicle body sliding door groove sealing strip (21) is arranged between the first die (101), the second die (102) and the third die (103).

4. The composite scoring and punching device for special-shaped incisions of a vehicle body sliding door groove sealing strip according to claim 3, characterized in that: The third concave die (103) is provided with a through slot for the cutting knife (5) to pass through.

5. The composite scoring and punching device for special-shaped incisions of a vehicle body sliding door groove sealing strip according to claim 4, characterized in that: An arc-shaped pressing block (20) corresponding to the arc-shaped groove at the top of the sliding door groove sealing strip (21) of the vehicle body is provided at the bottom of the pressing positioning block (3).

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