Device for removing defective materials of silencing piece through bottom dead center detector

Abstract

The utility model relates to the related technical field of punching of a compound die, and discloses a device for removing defective materials of a silencing piece through a bottom dead center detector, which comprises a punching mechanism and a detection mechanism, wherein the stamping mechanism comprises a supporting rod, a top plate is installed at the upper end of the supporting rod in a sliding mode, a bottom plate and a plurality of buffer columns arranged on the periphery of the upper end of the bottom plate are fixedly installed at the lower end of the supporting rod, a movable plate is fixedly connected to the upper ends of the buffer columns, and the appearance of the movable plate is consistent with that of the top plate; and the detection mechanism is arranged at the lower end of the top plate, comprises a bottom dead point detector and is used for detecting whether defective materials enter the die or not, and the defective materials can be prevented from being mixed into finished products after being punched. In this way, bad materials can be prevented from being mixed into finished products after being punched, and the product percent of pass and customer satisfaction are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of compound mould stamping especially relates to a device of rejecting bad material of sound attenuation piece through lower dead point detector. BACKGROUND

[0002] The automobile sound attenuation piece is an accessory used to reduce or eliminate noise when braking. It is mainly installed in the automobile brake system, located between the brake pad back plate and the piston caliper, and achieves the sound attenuation effect by buffering and suppressing the fine but intense vibration generated during braking.

[0003] But the existing sound attenuation piece material is usually coated process production when producing, and the rubber surface and the cold adhesive surface have many appearance defects, need to be pasted with adhesive tape to distinguish, adopt the mode of sound attenuation piece roll stock stamping automatic feeding, cannot simply cut off the defective area, otherwise it will affect the production efficiency, if the defective area material enters the die during stamping, the defective material will inevitably be mixed into the finished product after stamping, affecting the qualified rate of the product, when stamping materials of different thicknesses, the device cannot be quickly and conveniently adjusted, which is time-consuming and affects the customer's satisfaction with the product quality. UTILITY MODEL CONTENT

[0004] The utility model discloses a device of rejecting bad material of sound attenuation piece through lower dead point detector, which solves the defects of excessive defective products during sound attenuation piece stamping and inconvenient adjustment of the device in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The utility model discloses a device of rejecting bad material of sound attenuation piece through lower dead point detector, which solves the defects of excessive defective products during sound attenuation piece stamping and inconvenient adjustment of the device in the prior art.

[0007] Among them, the stamping mechanism includes the support rod, the upper end of the support rod is slidably installed with the top plate, the lower end of the support rod is fixedly installed with the bottom plate, a plurality of groups of buffer columns are opened in the upper end of the bottom plate, the upper end of the buffer column is fixedly connected with the movable plate, and the shape of the movable plate is consistent with the top plate.

[0008] The detection mechanism is arranged at the lower end of the top plate, and the detection mechanism is used for detecting whether the defective material enters the die.

[0009] As a preferred technical scheme of the utility model, the stamping mechanism includes a plurality of groups of buffer columns opened in the upper end of the bottom plate, the upper end of the buffer column is fixedly connected with the movable plate, and the shape of the movable plate is consistent with the top plate.

[0010] As a preferred technical scheme of the utility model, the lower fixed plate is fixedly installed at the upper end of the movable plate, limit rods are arranged at the both sides of the upper end of the lower fixed plate, a lower mold is fixedly installed at the center of the upper end of the bottom plate, and the lower mold penetrates the movable plate and the lower fixed plate.

[0011] As a preferred technical scheme of the utility model, the lower fixed plate is fixedly installed at the upper end of the movable plate, limit rods are arranged at the both sides of the upper end of the lower fixed plate, a lower mold is fixedly installed at the center of the upper end of the bottom plate, and the lower mold penetrates the movable plate and the lower fixed plate.

[0012] As a preferred technical scheme of the utility model, the lower fixed plate is fixedly installed at the upper end of the movable plate, limit rods are arranged at the both sides of the upper end of the lower fixed plate, a lower mold is fixedly installed at the center of the upper end of the bottom plate, and the lower mold penetrates the movable plate and the lower fixed plate.

[0013] As a preferred technical scheme of the utility model, the lower fixed plate is fixedly installed at the upper end of the movable plate, limit rods are arranged at the both sides of the upper end of the lower fixed plate, a lower mold is fixedly installed at the center of the upper end of the bottom plate, and the lower mold penetrates the movable plate and the lower fixed plate.

[0014] As a preferred technical scheme of the utility model, the lower fixed plate is fixedly installed at the upper end of the movable plate, limit rods are arranged at the both sides of the upper end of the lower fixed plate, a lower mold is fixedly installed at the center of the upper end of the bottom plate, and the lower mold penetrates the movable plate and the lower fixed plate.

[0015] As a preferred technical scheme of the utility model, the lower fixed plate is fixedly installed at the upper end of the movable plate, limit rods are arranged at the both sides of the upper end of the lower fixed plate, a lower mold is fixedly installed at the center of the upper end of the bottom plate, and the lower mold penetrates the movable plate and the lower fixed plate.

[0016] As a preferred technical scheme of the utility model, the lower fixed plate is fixedly installed at the upper end of the movable plate, limit rods are arranged at the both sides of the upper end of the lower fixed plate, a lower mold is fixedly installed at the center of the upper end of the bottom plate, and the lower mold penetrates the movable plate and the lower fixed plate.

[0017] The utility model discloses a kind of beneficial effects:

[0018] (1) by using the sensing head in bracket slot to detect whether bad material enters mold, and forewarn operator to remove bad material, avoid bad material to be mixed into finished product after stamping, so as to improve the qualified rate and quality of product.

[0019] (2) The utility model discloses a stamping process to process the sound attenuation piece, expands the production process and technology of sound attenuation piece, compared with traditional coating process, possibly improves production efficiency, avoids the bad material to enter finished product through, reduces the waste raw material condition, thereby can indirectly save the cost.

[0020] (3) Through setting the adjusting block and the threaded hole and other structures, fine adjustment of the device is allowed, processing disqualification caused by changes in accuracy of the device after mass stamping is prevented, flexibility and adaptability of the device are enhanced. The cooperation between the limiting rod and the limiting hole can ensure the stability of the position of the device during stamping, improve the yield of stamping, and thus improve product quality, enhance user experience and satisfaction. BRIEF DESCRIPTION OF DRAWINGS

[0021] One or more embodiments are illustrated by way of example in the figures that form a part of this patent document, these illustrative examples do not limit the embodiments, and elements having the same reference numbers in the figures represent similar elements, unless otherwise indicated, the figures in the drawings do not constitute a proportional limit.

[0022] Figure 1 It is a structure distribution schematic view of the device for removing bad materials of sound attenuation piece through the bottom dead center detector of the utility model;

[0023] Figure 2 It is a front structure sectional view of the device for removing bad materials of sound attenuation piece through the bottom dead center detector of the utility model;

[0024] Figure 3 It is a side structure sectional view of the device for removing bad materials of sound attenuation piece through the bottom dead center detector of the utility model;

[0025] Figure 4 It is a bottom structure schematic view of the device for removing bad materials of sound attenuation piece through the bottom dead center detector of the utility model;

[0026] Figure 5 It is a structure explosion schematic view of the device for removing bad materials of sound attenuation piece through the bottom dead center detector of the utility model;

[0027] Figure 6 It is a device for removing bad materials of sound attenuation piece through the bottom dead center detector of the utility model Figure 5 The structure of A in the device for removing bad materials of sound attenuation piece through the bottom dead center detector of the utility model is enlarged and shown schematically.

[0028] As shown in the figure: 100, a punching mechanism; 101, a support rod; 102, a top plate; 103, a bottom plate; 104, a buffer column; 105, a movable plate; 106, a lower mold; 107, a lower fixed plate; 108, a limiting rod; 200, a detection mechanism; 201, a material returning fixed plate; 202, an adjusting plate; 203, an upper mold; 204, an upper fixed plate; 205, a side plate; 206, an adjusting block; 207, a movable groove; 208, an adjusting hole; 209, a threaded hole; 210, a screw; 211, a nut; 212, a limiting hole; 213, a limiting shaft; 214, a plate hole; 215, a bracket groove; 216, a bracket; 217, a sensing head. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will combine the figures to make a detailed description of each embodiment of the utility model. However, those skilled in the art can understand that in each embodiment of the utility model, many technical details are proposed in order to make the reader better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical scheme claimed in each claim of the present application can be realized.

[0030] Embodiment one

[0031] As shown in the figure: 100, a punching mechanism; 101, a support rod; 102, a top plate; 103, a bottom plate; 104, a buffer column; 105, a movable plate; 106, a lower mold; 107, a lower fixed plate; 108, a limiting rod; 200, a detection mechanism; 201, a material returning fixed plate; 202, an adjusting plate; 203, an upper mold; 204, an upper fixed plate; 205, a side plate; 206, an adjusting block; 207, a movable groove; 208, an adjusting hole; 209, a threaded hole; 210, a screw; 211, a nut; 212, a limiting hole; 213, a limiting shaft; 214, a plate hole; 215, a bracket groove; 216, a bracket; 217, a sensing head. Figure 1 Figure 6 The utility model discloses a device for removing defective materials of sound-absorbing sheets through a bottom dead center detector, which comprises a punching mechanism 100 and a detection mechanism 200.

[0032] The punching mechanism 100 comprises a support rod 101, the upper end of the support rod 101 is slidably installed with a top plate 102, the lower end of the support rod 101 is fixedly installed with a bottom plate 103, a plurality of groups of buffer columns 104 are arranged on the upper end of the bottom plate 103, the upper end of each buffer column 104 is fixedly connected with a movable plate 105, and the shape of the movable plate 105 is consistent with that of the top plate 102. The detection mechanism 200 is arranged at the lower end of the top plate 102, and is used for detecting whether the defective materials enter the mold.

[0033] The device for removing defective materials of sound-absorbing sheets through a bottom dead center detector of the inverted composite die punch can detect the distance between the sensing head 217 in the bracket groove 215 and the adjusting plate 215 by using the sensing head 217, thereby giving a warning that the defective materials have entered the mold, reminding the punching operator to manually operate the feeder to remove the defective materials from the punching process, so that the defective materials are prevented from being mixed into the finished products after being punched, and the qualified rate of the products is improved.

[0034] ​The cooperation between the limiting rod 108 and the limiting hole 212 can ensure that the positions of the top plate 102 and the bottom plate 103 do not deviate during the stamping process; the buffer column 104 and the movable plate 105 can ensure that the device will not be damaged due to excessive progress of the top plate 102 during stamping, thereby improving the yield of stamping and preventing the product from sticking after stamping.

[0035] After rotating the nut 211, the nut 211 can extrude the adjusting block 206 to move inward, thereby slightly adjusting the position of the adjusting plate 202, so as to finely adjust the device and prevent the processing from being unqualified due to the change in accuracy of the device after mass stamping.

[0036] The material of the sound-absorbing sheet is expanded from the single production method using the coating process to the stamping process, which greatly expands the production process and technology of the sound-absorbing sheet.

[0037] The upper end of the movable plate 105 is fixedly installed with a lower fixed plate 107, the upper end of the lower fixed plate 107 is provided with limiting rods 108 on both sides, the upper end of the bottom plate 103 is fixedly installed with a lower die 106 at the center, and the lower die 106 penetrates the movable plate 105 and the lower fixed plate 107.

[0038] The detection mechanism 200 includes a material returning fixed plate 201 provided at the lower end of the top plate 102, a sensing head 217 of the bottom dead point detector is installed on one side of the material returning fixed plate 201, side plates 205 are fixedly installed on both sides of the lower end of the material returning fixed plate 201, an adjusting plate 202 is fixedly installed between the two groups of side plates 205, and a gap exists between the adjusting plate 202 and the material returning fixed plate 201.

[0039] The lower end of the adjusting plate 202 is fixedly installed with an upper die 203 at the center, the lower end of the adjusting plate 202 is further provided with an upper fixed plate 204 outside the upper die 203, two groups of limiting holes 212 are formed in the lower end of the upper fixed plate 204, the limiting holes 212 cooperate with the limiting rods 108, two groups of limiting shafts 213 are provided on both sides of the upper end of the adjusting plate 202, four groups of plate holes 214 are formed in the upper end of the material returning fixed plate 201, the plate holes 214 cooperate with the opposite limiting shafts 213, a bracket slot 215 is formed in one side of the lower end of the material returning fixed plate 201, a bracket 216 is fixedly installed in the bracket slot 215, the sensing head 217 is fixedly installed at the lower end of the bracket 216, threaded holes 209 are formed in the center of both sides of the adjusting plate 202, screws 210 are engagedly installed in the threaded holes 209, and adjusting blocks 206 are connected to both sides of the adjusting plate 202 through the screws 210.

[0040] In the utility model, the sensing head 217 of the detector and the material returning fixed plate 201 are 1mm apart when the mold is at the bottom dead point, for example, the material with yellow adhesive tape (defective mark) enters the mold cavity, the distance between the detector and the material returning fixed plate 201 becomes 1mm minus the thickness of the adhesive tape 0.1mm, that is, 0.9mm, a trigger signal is given to the microcomputer detector beside the punch press, the signal of the detector is connected to the PLC of the punch press, and the punch press is stopped. That is to say, when the defective material enters the mold cavity, the sensing head 217 detects the distance to be reduced, a trigger signal is given to the microcomputer detector beside the punch press, the signal of the detector is connected to the PLC of the punch press, and the punch press is stopped, therefore, the situation that the punch press is unqualified due to the defective material does not occur, the qualified rate of products can be greatly improved, the raw material is not wasted, and the cost can be indirectly saved.

[0041] Wherein, the adjusting block 206 is provided with adjusting hole 208 on one side, screw 210 is engaged in screw hole 209 through adjusting hole 208, the end of screw 210 is rotatably installed with nut 211, the upper end of adjusting block 206 is provided with movable slot 207 on both sides, movable slot 207 is tangent with the lower end of limiting shaft 213.

[0042] In summary, the utility model discloses a sensing head detection, fine adjustment mechanism and other technical means are introduced, effectively solve the defective product problem in the process of silencing piece stamping, improve product quality and qualified rate, optimize production efficiency and cost, enhance the flexibility and adaptability of device, and improve user experience and satisfaction.

[0043] Those skilled in the art can understand that the above-mentioned embodiments are specific embodiments for realizing the utility model, and in actual application, various changes can be made in form and details without departing from the spirit and scope of the utility model.

Claims

1. A device for removing defective materials from sound-absorbing sheets using a bottom dead center detector, characterized in that, Includes a stamping mechanism (100) and a testing mechanism (200); The stamping mechanism (100) includes a support rod (101), a top plate (102) is slidably installed on the upper end of the support rod (101), a bottom plate (103) is fixedly installed on the lower end of the support rod (101), and several sets of buffer columns (104) are opened around the upper end of the bottom plate (103). The upper end of the buffer column (104) is fixedly connected to a movable plate (105), and the shape of the movable plate (105) is consistent with that of the top plate (102). The detection mechanism (200) is located at the lower end of the top plate (102), and the detection mechanism (200) includes a bottom dead center detector for detecting whether defective materials have entered the mold.

2. The device for removing defective materials from sound-absorbing sheets using a bottom dead center detector according to claim 1, characterized in that, in, A lower fixing plate (107) is fixedly installed on the upper end of the movable plate (105). Limiting rods (108) are provided on both sides of the upper end of the lower fixing plate (107). A lower mold (106) is fixedly installed at the center of the upper end of the base plate (103). The lower mold (106) passes through the movable plate (105) and the lower fixing plate (107).

3. The device for removing defective materials from sound-absorbing sheets using a bottom dead center detector according to claim 1, characterized in that, in, The detection mechanism (200) includes a material ejection fixing plate (201) disposed at the lower end of the top plate (102). The sensing head (217) of the bottom dead point detector is installed on one side of the material ejection fixing plate (201). Side plates (205) are fixedly installed on both sides of the lower end of the material ejection fixing plate (201). An adjustment plate (202) is fixedly installed between the two sets of side plates (205). There is a gap between the adjustment plate (202) and the material ejection fixing plate (201).

4. The device for removing defective materials from sound-absorbing sheets using a bottom dead center detector according to claim 3, characterized in that, in, An upper mold (203) is fixedly installed at the center of the lower end of the adjusting plate (202). An upper fixing plate (204) is also provided around the lower end of the adjusting plate (202) on the outside of the upper mold (203). Two sets of limiting holes (212) are opened at the lower end of the upper fixing plate (204), and the limiting holes (212) cooperate with the limiting rod (108).

5. The device for removing defective materials from sound-absorbing sheets using a bottom dead center detector according to claim 4, characterized in that, in, The upper end of the adjusting plate (202) is provided with two sets of limiting shafts (213) on both sides. The upper end of the unloading fixing plate (201) is provided with four sets of plate holes (214), and the plate holes (214) cooperate with the corresponding limiting shafts (213).

6. The device for removing defective materials from sound-absorbing sheets using a bottom dead center detector according to claim 5, characterized in that, in, A bracket groove (215) is provided on the lower end of one side of the unloading fixing plate (201), and a bracket (216) is fixedly installed inside the bracket groove (215). The sensing head (217) is fixedly installed on the lower end of the bracket (216).

7. The device for removing defective materials from sound-absorbing sheets using a bottom dead center detector according to claim 6, characterized in that, in, The adjusting plate (202) has threaded holes (209) at the center of both sides, and screws (210) are engaged inside the threaded holes (209). Adjusting blocks (206) are connected to both sides of the adjusting plate (202) by screws (210).

8. The apparatus for removing defective materials from sound-absorbing sheets using a bottom dead center detector according to claim 7, characterized in that, in, An adjustment hole (208) is provided on one side of the adjustment block (206). The screw (210) passes through the adjustment hole (208) and engages in the threaded hole (209). A nut (211) is rotatably installed at the end of the screw (210). Movable grooves (207) are provided on both sides of the upper end of the adjustment block (206). The movable grooves (207) are tangent to the lower end of the limiting shaft (213).

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