Blanking, flanging and discharging detection device suitable for small and light products
By using a discharge detection unit with a combination of blowing pins and grating detectors in the stamping mold, the problem of blowing direction and angle control of small and light product gases is solved, and efficient discharge detection and low error rate are achieved, which is suitable for daily production in stamping factories.
Patent Information
- Application Number
- CN202422126454.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-08-30
AI Technical Summary
The prior art is difficult to effectively detect and control the direction and angle of gas blowing during the stamping process of small and light products, resulting in the problem that the product may smash the mold or detect the high error rate.
A discharge detection unit that combines a blowing pin and a grating detector is used. The blowing pin blows the product to the discharge channel. A grating detector is installed on both sides of the outlet of the discharge channel to detect whether the product is successfully discharged through signal feedback from the optical fiber core.
It has achieved improved accuracy in discharge inspection of small and light products, reduced the risk of mold smashing, and is suitable for all forms of products, with low detection error rate and is suitable for daily use in stamping factories.
Smart Images
Figure CN223043466U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of stamping dies and material discharging detection, and in particular relates to a punching, flanging and material discharging detection device suitable for small and light products. Background Art
[0002] In the progressive die, the last step is to pre-punch the annular workpiece (17) with an upwardly flanged inner side on the material strip (18) (see the attached Figure 2 , a circular cut (16) is pre-punched on the material strip (18), and the pre-punching is to punch out only half of its thickness, which does not affect the conveyance of the workpiece driven by the material strip, and is convenient for separating the final product (1) from the material strip (18) during the subsequent flanging punching) to perform the outer side upward flanging and punching, thereby forming the final product (1) (see attached Figure 1 , an annular structure with an upward flange on the inside and an upward flange on the outside), and the lower die of the flange structure must have a unloading structure, so this product cannot choose the discharge method of blanking like other structures. At the same time, many products in stamping factories are very small in size, or very light due to the material, or because of the special shape of the product, gas is needed to blow the product out during the process of sliding out of the mold after the product is cut off. Due to the use of gas, the size and direction of the gas volume are not easy to control, and sometimes it may change due to the pump room, so the blowing direction and angle of the product change, and the ordinary tail material probe detection or collision detection is not applicable. Utility Model Content
[0003] The utility model mainly aims to overcome the deficiencies of the prior art and provides a punching, flanging and material discharging detection device suitable for small and light products.
[0004] The utility model is realized by the following technical solutions:
[0005] A punching, flanging and material discharging detection device suitable for small and light products, comprising an upper die part and a lower die part;
[0006] The upper die part comprises an upper die plate, a floating pressing plate and a punch, wherein the floating pressing plate is elastically and slidably installed below the upper die plate, and the punch is installed on the upper die plate;
[0007] The lower die part is provided with a flanging and blanking unit and a material discharging detection unit;
[0008] The flanging and blanking unit comprises a concave mold and a floating support block, wherein the concave mold is mounted on the lower mold plate, and the floating support block is elastically and slidably mounted in the concave mold;
[0009] The discharging detection unit includes blowing pins, a discharging channel, and a grating detector; wherein, the two blowing pins are installed on the lower template, and the two blowing pins are arranged horizontally. The upper air outlet of the blowing pin is aligned with the center of the blanking and flanging working position, and the lower air inlet is connected to an air pump; the discharging channel is longitudinally arranged on one side of the lower template, and the inlet of the discharging channel is aligned with the blanking and flanging working position; grating detectors are respectively installed on both sides of the outlet of the discharging channel in a form of opposed light beams.
[0010] In the above technical solution, the concave die is provided with a stepped groove, and the outer wall of the floating support block is provided with a limiting block. The limiting block provided on the floating support block is slidably installed in the stepped groove of the concave die, and a return spring is connected below the floating support block; when the upper die part does not move downward to perform flanging blanking on the workpiece, the top surface of the floating support block is flush with the top surface of the concave die.
[0011] In the above technical solution, the overall height of the grating detector is higher than the height of the outlet of the discharging channel.
[0012] In the above technical solution, the distance between the optical fiber cores of the grating detector is smaller than the minimum outer dimension of the product.
[0013] In the above technical solution, the discharging channel is a channel that is closed on all sides and open at both ends.
[0014] In the above technical solution, the inlet of the discharging channel is a flared opening.
[0015] In the above technical solution, the two grating detectors are installed on both sides of the outlet of the discharging channel through a detection fixing frame.
[0016] The advantages and beneficial effects of the present utility model are as follows:
[0017] (1) The present utility model is applicable to the discharging detection of various forms of products, has a wide range of applicable product types, a low detection error rate, and is simple to deploy, and is suitable for daily use in stamping factories.
[0018] (2) In the present utility model, the blowing pins blow the products towards the discharging channel, and grating detectors are respectively installed on both sides of the outlet end of the discharging channel in a form of opposed light beams, so as to complete the discharging detection of the products, and prevent the situation of die damage caused by the products not being blown out. Description of the Drawings
[0019] Figure 1 It is a structural schematic diagram of the product.
[0020] Figure 2 It is a process diagram of the last few working steps for forming the product.
[0021] Figure 3 It is a schematic diagram of the flanging blanking structure of the present utility model.
[0022] Figure 4 Partial enlargement of the flanging and blanking unit of the present utility model Figure 1 .
[0023] Figure 5 Partial enlargement of the flanging and blanking unit of the present utility model Figure 2 .
[0024] Figure 6 Schematic diagram of the blowing and detecting unit of the present utility model Figure 1 .
[0025] Figure 7 Schematic diagram of the blowing and detecting unit of the present utility model Figure 2 .
[0026] In the figure, product 1, blowing pin 2, lower template 3, discharge channel 4, detection fixing frame 5, grating detector 6, floating support block 7, floating pressure plate 8, punch 9, upper template 10, sliding material plate 11, stepped groove 12, limit block 13, return spring 14, concave die 15, notch 16, workpiece 17, and material tape 18.
[0027] For those of ordinary skill in the art, without creative efforts, other relevant drawings can be obtained based on the above drawings. Specific embodiments
[0028] In order to enable those skilled in the art to better understand the solution of the present utility model, the technical solution of the present utility model will be further described below in conjunction with specific embodiments.
[0029] A flanging, blanking and discharge detection device suitable for small and light products, see attached Figure 3 - attached Figure 7 , including an upper die part and a lower die part.
[0030] See attached Figure 3 , the upper die part includes an upper template 10, a floating pressure plate 8 and a punch 9. Among them, the floating pressure plate 8 is elastically and slidably installed below the upper template 10, and the punch 9 is installed on the upper template 10.
[0031] The lower die part is provided with a flanging and blanking unit and a discharge detection unit.
[0032] See attached Figure 3 - attached Figure 4, the flanging and blanking unit includes a concave die 15 and a floating support block 7. Among them, the concave die 15 is installed on the lower template 3, and the floating support block 7 is elastically and slidably installed inside the concave die 15. Further, the concave die 15 is provided with a stepped groove 12, and a limiting block 13 is provided on the outer wall of the floating support block 7. The limiting block 13 provided on the floating support block 7 is slidably installed in the stepped groove 12 of the concave die 15, and a return spring 14 is connected below the floating support block 7. When the upper die part does not move downward to perform flanging and blanking on the workpiece 17, the top surface of the floating support block 7 is flush with the top surface of the concave die 15 (see attachment Figure 4 ).
[0033] See attachment Figure 3 -attachment Figure 5 , when the annular workpiece 17 with an upward flanged inner side that has been pre-blanked on the strip 18 is conveyed to the flanging and blanking position, the upper die part moves downward. First, the floating pressure plate 8 contacts the strip 18 on the lower template 3, so that the floating pressure plate 8 and the lower template 3 clamp the strip 18. As the upper die part continues to move downward, the punch 9 contacts the upper surface of the workpiece 17 on the strip 18. Then the upper die part continues to move downward, the punch 9 presses downward on the workpiece 17, and the floating support block 7 slides downward along the stepped groove 12 of the concave die 15 (see attachment Figure 5 ). Under the action of the punch 9, the outer side of the workpiece 17 is turned up along the inner wall of the stepped groove 12 of the concave die 15. At the same time, since the workpiece 17 has been pre-blanked from the strip 18, the workpiece 17 is separated from the strip 18 under the action of the punch 9, forming the final product 1; finally, the upper die part moves upward, and under the action of the return spring 14, the floating support block 7 is reset to the state where its top surface is flush with the top surface of the upper template 3, so as to eject the product 1 for subsequent blowing out of the product 1.
[0034] See attachment Figure 6 -attachment Figure 7 , the discharging detection unit includes a blowing pin 2, a discharging channel 4 and a grating detector 6; among them, the two blowing pins 2 are installed on the lower template 3, and the two blowing pins 2 are arranged horizontally (the transmission direction of the strip 18). The air outlet at the upper end of the blowing pin 2 is aligned with the center of the blanking and flanging working position, and the air inlet at the lower end is connected to an air pump (not shown in the figure). The discharging channel 4 is arranged longitudinally (perpendicular to the transmission direction of the strip) on one side of the lower template 3, and the inlet of the discharging channel 4 is aligned with the blanking and flanging working position; grating detectors 6 are respectively installed on both sides of the outlet of the discharging channel 4 in a pair of shooting form.
[0035] The overall height of the grating detector 6 is higher than the outlet height of the discharge channel 4 to ensure that when the product flies out, it can pass through the effective part of the grating detector. Inside the fiber optic detector, a column of fiber optic cores are densely arranged. Each fiber optic core emits light, and feedback is carried out with the signals of the fiber optic detector on the other side. When an object flies between the two fiber optic detectors, some fiber optic cores will not be able to receive the signals of the fiber optic detector on the other side, so it can be detected that the product in the mold has successfully flown out of the mold. Therefore, the distance between the fiber optic cores of the grating detector 6 is less than the minimum outer dimension of the product 1.
[0036] When the product 1 is ejected from the concave mold 15 by the floating support block 7, the blowing pin 2 blows air at the product. The grating detector 6 arranged at the outlet of the discharge channel 4 can detect whether the product 1 has been blown out of the lower mold part.
[0037] Preferably, since the product 1 is blown out and the direction is uncertain, the discharge channel 4 is a channel that is closed on all sides and open at both ends.
[0038] Preferably, the inlet of the discharge channel 4 is a flared opening to facilitate the entry of the product.
[0039] Preferably, the two grating detectors 6 are installed on both sides of the outlet of the discharge channel 4 through the detection fixing frame 5.
[0040] For ease of explanation, in the embodiments, spatial relative terms such as "upper", "lower", "left", "right", etc. are used to describe the relationship of one element or feature shown in the figure relative to another element or feature. It should be understood that in addition to the orientation shown in the figure, the spatial terms are intended to include different orientations during the use or operation of the device. For example, if the device in the figure is inverted, the element described as being "below" other elements or features will be positioned "above" other elements or features. Therefore, the exemplary term "lower" can include both upper and lower orientations. The device can be positioned in other ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used here can be interpreted accordingly.
[0041] Moreover, relational terms such as "first" and "second" are only used to distinguish one component with the same name from another, and do not necessarily require or imply any such actual relationship or order between these components.
[0042] The above has made an exemplary description of the present utility model. It should be noted that without departing from the core of the present utility model, any simple deformation, modification, or equivalent replacement that can be made by those skilled in the art without creative labor falls within the protection scope of the present utility model.
Claims
1. A punching, flanging and discharging detection device suitable for small and light products, characterized in that: It includes an upper mold part and a lower mold part; The upper die part comprises an upper die plate, a floating pressing plate and a punch, wherein the floating pressing plate is elastically and slidably installed below the upper die plate, and the punch is installed on the upper die plate; The lower die part is provided with a flanging and blanking unit and a material discharging detection unit; The flanging and blanking unit comprises a concave mold and a floating support block, wherein the concave mold is mounted on the lower mold plate, and the floating support block is elastically and slidably mounted in the concave mold; The discharge detection unit includes a blowing pin, a discharge channel and a grating detector; wherein, two of the blowing pins are installed on the lower template, and the two blowing pins are arranged horizontally, the air outlet at the upper end of the blowing pin is aligned with the center of the punching and flanging work station, and the air inlet at the lower end is connected to an air pump; the discharge channel is longitudinally arranged on one side of the lower template, and the inlet of the discharge channel is aligned with the punching and flanging work station; grating detectors are respectively installed on both sides of the outlet of the discharge channel in a facing form.
2. The blanking, flanging and discharging detection device for small and light products according to claim 1 is characterized in that: The concave mold is provided with a stepped groove, the outer wall of the floating support block is provided with a limit block, the limit block arranged on the floating support block is slidably installed in the stepped groove of the concave mold, and a return spring is connected below the floating support block; when the upper mold part does not move downward to perform flanging and blanking on the workpiece, the top surface of the floating support block is flush with the top surface of the concave mold.
3. The blanking, flanging and discharging detection device for small and light products according to claim 1 is characterized in that: The overall height of the grating detector is higher than the outlet height of the discharge channel.
4. The blanking, flanging and discharging detection device for small and light products according to claim 1 is characterized in that: The distance between the optical fiber cores of the grating detector is smaller than the minimum external dimension of the product.
5. The blanking, flanging and discharging detection device suitable for small and light products according to claim 1, characterized in that: The discharge channel is a channel which is closed on all sides and open at both ends.
6. The blanking, flanging and discharging detection device for small and light products according to claim 1, characterized in that: The inlet of the discharge channel is a bell mouth.
7. The punching, flanging and discharging detection device for small and light products according to claim 1 is characterized in that: The two grating detectors are installed on both sides of the outlet of the discharge channel through a detection fixing frame.