CN111044103A - Stamping workpiece outward appearance detection device - Google Patents

Abstract

The utility model provides a stamping workpiece outward appearance detection device, including the pay-off platform, the pay-off bench has set gradually first determine module, second determine module and at least one third determine module, the pay-off bench be provided with be used for fixing a position the locating component in material area and respectively with first determine module, the material subassembly is pressed to the corresponding complex of second determine module and third determine module, locating component and material subassembly can be with the material area location of carrying along the pay-off platform and compress tightly, first determine module, second determine module and third determine module can carry out corresponding detection respectively to the product in material area. The method is simple and convenient to operate, high in detection precision and speed, wide in application range, high in stability and reliability, capable of effectively saving manpower and time, improving the production efficiency and the overall quality of products, reducing the production cost and facilitating production management and control.

Description

Stamping workpiece outward appearance detection device

Technical Field

The utility model relates to a check out test set technical field especially relates to a stamping workpiece outward appearance detection device.

Background

With the continuous progress of society and the rapid development of science and technology, the market has higher and higher demands on a plurality of products, so that the market demands can be met by not only ensuring the product quality but also improving the production efficiency. Stamping is a forming method in which a press and a die are used to apply external force to a plate, a strip, a pipe, a profile and the like to cause plastic deformation or separation, thereby obtaining a stamping part with a required shape and size. Compared with castings and forgings, the stamping part has the characteristics of thinness, uniformity, lightness, strength, high processing efficiency, capability of realizing processing of complex sizes, simple operation, high strength, stable quality, good performance and the like, and is widely applied to various fields of national economy.

At present, after a stamping product is machined, the stamping product generally needs to be detected, whether the external dimension of the stamping product reaches the standard or not and whether the external appearance has undesirable phenomena such as deformation, dirt, welding spot deviation and scratch or not are detected, so as to determine whether the stamping product is qualified or not, such as some parts of 3C electronic products (i.e., Computer, Communication and Consumer electronic). However, for the detection of the stamping parts, the traditional detection mode that only manual work passes through a jig and the like occupies more manpower, the consumed time is long, the labor intensity is high, the operation is inconvenient, the production management and control are not facilitated, the detection precision is poor, the detection personnel work for a long time and are easy to fatigue, the situations of missed detection, misjudgment and the like are easy to occur, especially for small products with irregular shapes or complex structures, the overall quality of the products is influenced, the production efficiency is low, the production cost is high, and the competitiveness of the products is reduced.

Disclosure of Invention

The utility model provides a stamping workpiece outward appearance detection device to the problem that above-mentioned current stamping workpiece detected to exist.

In order to solve at least one of the above technical problems, the present disclosure proposes the following technical solutions:

the utility model provides a stamping workpiece outward appearance detection device, including the pay-off platform, the pay-off bench has set gradually first determine module, second determine module and at least one third determine module, first determine module and third determine module are located the top of pay-off platform, the second determine module is located the below of pay-off platform, the pay-off bench is provided with the locating component who is used for fixing a position the material area and presses the material subassembly with first determine module, the corresponding complex of second determine module and third determine module respectively, locating component can fix a position and compress tightly along the material area that the pay-off platform was carried with pressing the material subassembly, first determine module, second determine module and third determine module can carry out corresponding detection respectively to the product in the material area.

In some embodiments, the feeding table comprises a feeding plate, a first groove body for the material belt to pass through is arranged on the feeding plate, and a first through hole correspondingly matched with the second detection assembly is arranged in the first groove body.

In some embodiments, cover plates are respectively disposed above two sides of the first slot body, and the two cover plates respectively form a first interval with the first slot body for the two sides of the material strip to pass through.

In some embodiments, the first detection assembly includes a first support and a first camera disposed on the first support, the second detection assembly includes a second support and a second camera disposed on the second support, and the third detection assembly includes a third support and a third camera disposed on the third support.

In some embodiments, the positioning assembly is located above the feeding table, and the positioning assembly comprises a plurality of positioning needles and a first lifting mechanism for pushing the positioning needles to move up and down to position the material belt.

In some embodiments, the first lifting mechanism comprises a fourth bracket and a first cylinder arranged on the fourth bracket, wherein the extending end of the first cylinder faces downwards and is connected with a first mounting plate for mounting the positioning pin.

In some embodiments, the pressing assembly includes a fixing seat located above the feeding table, a pressing block disposed on the fixing seat, and a second lifting mechanism for pushing the fixing seat to move up and down, and the second lifting mechanism can push the fixing seat to move up and down so that the pressing block presses the material belt.

In some embodiments, the fixing seat is provided with a height limiting block for matching with a product on the material belt.

In some embodiments, the fixed seat is provided with a chute matched with the material pressing block and a first elastic part elastically connected with the material pressing block, the chute is arranged along the vertical direction, and the first elastic part is located above the material pressing block.

In some embodiments, the second lifting mechanism is a second cylinder, and the second cylinder can push the fixing seat to move up and down so that the material pressing block presses the material belt.

The beneficial effects of this disclosure are: the processed products are sequentially arranged on the material belt, the corresponding material pulling device pulls the material belt to be conveyed along the feeding table and sequentially passes through the first detection assembly, the second detection assembly and the third detection assembly on the feeding table, the positioning assembly on the feeding table is matched with the positioning hole on the material belt to position the material belt on the feeding table, the material pressing assembly on the feeding table stably presses the material belt on the feeding table, the first detection assembly and the second detection assembly can respectively detect the front and the back of the products integrally, determine whether the product size is qualified or not, determine whether the product has defects of deformation, dirty scratch and the like, the third detection assembly can respectively and accurately detect the local parts of the products, determine whether the products have defects of welding point deviation, welding omission and the like, thereby realizing comprehensive and accurate automatic detection of the products, and the operation is simple and convenient, the detection precision is high, and the speed is high, the labor intensity is low, the labor and the time are effectively saved, the conditions of missed detection, erroneous judgment and the like are not easy to generate, the detection can be accurately and quickly performed on smaller products, products with irregular or complex shapes and the like, the application range is wide, the stability and the reliability are high, the production efficiency and the overall quality of the products are improved, the production cost is reduced, the production management and control are convenient, and the market competitiveness of the products is enlarged.

In addition, in the technical solutions of the present disclosure, the technical solutions can be implemented by adopting conventional means in the art, unless otherwise specified.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a perspective view of a stamping part appearance detection device provided in an embodiment of the present disclosure.

Fig. 2 is a perspective view of a feeding table provided in an embodiment of the disclosure.

Fig. 3 is a partial enlarged view of a portion a in fig. 2 according to an embodiment of the disclosure.

Fig. 4 is a perspective view of a positioning assembly provided by an embodiment of the present disclosure.

Fig. 5 is a first structural schematic diagram of a swaging assembly provided in an embodiment of the disclosure.

Fig. 6 is a second schematic structural diagram of the swaging assembly provided in the embodiment of the disclosure.

In the drawing, the reference numerals indicate that the feeding table 2, the first section 201, the feeding plate 21, the first groove 211, the first through hole 212, the cover plate 22, the upright 23, the positioning assembly 3, the positioning pin 31, the first lifting mechanism 32, the fourth bracket 321, the first fixing plate 3211, the first guide post 3212, the first cylinder 322, the first mounting plate 323, the first detecting assembly 4, the first bracket 41, the first camera 42, the first light source 43, the first sliding table 44, the second detecting assembly 5, the second bracket 51, the second camera 52, the second light source 53, the second sliding table 54, the third detecting assembly 6, the third bracket 61, the third camera 62, the third light source 63, the third sliding table 64, the pressing assembly 7, the fixing base 71, the sliding chute 711, the second through hole 712, the second lifting mechanism 72, the second cylinder 731, the first connecting plate 732, the second guide post 733, the fifth bracket 734, and the second fixing plate 7341, a third guide post 7342, a second connecting plate 735, a height limiting block 74, and a first elastic member 75.

Detailed Description

In order to make the objects, technical solutions and advantages of the present disclosure more clearly understood, the present disclosure is further described in detail below with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of some, but not all, embodiments of the disclosure and are not to be considered as limiting the disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "both ends", "both sides", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present disclosure and simplifying the description, but do not indicate or imply that the elements referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," "upper," "lower," "primary," "secondary," and the like are used for descriptive purposes only and may be used for purposes of simplicity in more clearly distinguishing between various components and not to indicate or imply relative importance.

In the description of the present disclosure, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.

Fig. 1 is a perspective view of an appearance detection device for a stamping part according to an embodiment of the disclosure, fig. 2 is a perspective view of a feeding table according to an embodiment of the disclosure, fig. 3 is a partially enlarged view of a position a in fig. 2 according to an embodiment of the disclosure, fig. 4 is a perspective view of a positioning assembly according to an embodiment of the disclosure, fig. 5 is a first structural schematic diagram of a swaging assembly according to an embodiment of the disclosure, and fig. 6 is a second structural schematic diagram of the swaging assembly according to an embodiment of the disclosure.

Example (b):

as shown in fig. 1 to 6, an appearance detection device for stamping parts is mainly used for appearance detection equipment for stamping parts and similar products, and comprises a feeding table 2, wherein a first detection assembly 4, a second detection assembly 5 and at least one third detection assembly 6 are sequentially arranged on the feeding table 2, the number of the third detection assemblies 6 is determined according to the specific conditions of the size, the complexity and the like of the products, the first detection assembly 4 and the third detection assembly 6 are positioned above the feeding table 2, the second detection assembly 5 is positioned below the feeding table 2, and the feeding table 2 is provided with a positioning assembly 3 for positioning a material belt and a material pressing assembly 7 which is correspondingly matched with the first detection assembly 4, the second detection assembly 5 and the third detection assembly 6 respectively. The processed products are sequentially arranged on the material belt, the material belt is pulled by a corresponding material pulling device to be conveyed along the feeding table 2 and sequentially passes through the first detection component 4, the second detection component 5 and the third detection component 6 on the feeding table 2, the positioning component 3 on the feeding table 2 is matched with the positioning holes on the material belt to position the material belt on the feeding table 2, the material belt is stably compressed on the feeding table 2 by the material pressing component 7 on the feeding table 2, the products on the material belt can be respectively and correspondingly detected by the first detection component 4, the second detection component 5 and the third detection component 6, the first detection component 4 generally detects the whole front of the product, the second detection component 5 generally detects the whole back of the product, the third detection component 6 generally accurately detects the local parts of the product to determine whether the size of the product is qualified or not, whether the product has deformation, Dirt, scratch, welding point deviation, welding missing and the like, thereby realizing comprehensive and accurate automatic detection of products.

Pay-off platform 2 includes pay-off board 21, be provided with the first cell body 211 that is used for the material area to pass on the pay-off board 21, be provided with in the first cell body 211 with the corresponding complex first through-hole 212 of second determine module 5, second determine module 5 communicates with each other first through-hole 212 and can detect the back of taking the material to go up the product, corresponding material device pulling material area is carried along the first cell body 211 on the pay-off platform 2, the transport in material area is more stable like this, first determine module 4, second determine module 5 and third determine module 6 can carry out more accurately, detect reliably the product in material area. Further, the cover plates 22 are respectively arranged above two sides of the first groove body 211, the two cover plates 22 respectively form a first interval 201 which is used for two side edges of the material belt to pass through with the first groove body 211, when the material belt is conveyed along the first groove body 211, the two side edges of the material belt respectively pass through along the first interval 201, products on the material belt are located between the two cover plates 22, the material belt can be prevented from upwarping and the like, and therefore the material belt is guaranteed to be more stable and reliable to suck and convey. In addition, the lower end face of the feeding plate 21 is provided with a plurality of upright posts 23, the upright posts 23 are generally uniformly distributed on the feeding plate 21, and the feeding table 2 is conveniently and integrally arranged on the corresponding detection equipment through the upright posts 23.

The first detection assembly 4 comprises a first bracket 41 and a first camera 42 arranged on the first bracket 41, the first camera 42 is positioned above the first groove body 211 of the feeding plate 21, the second detection assembly 5 comprises a second bracket 51 and a second camera 52 arranged on the second bracket 51, the second camera 52 is positioned below the first groove body 211 of the feeding plate 21, the third detection assembly 6 comprises a third bracket 61 and a third camera 62 arranged on the third bracket 61, the third camera 62 is positioned above the first groove body 211 of the feeding plate 21, according to specific conditions, one, two or more third cameras 62 are arranged on the third bracket 61, the first camera 42 generally detects the whole front surface of the product, the second camera 52 generally detects the whole back surface of the product, and the third camera 62 generally accurately detects partial parts of the product, and the first camera 42, the second camera, the third camera 52, the third camera 62, the third camera, the third, The second camera 52 and the third camera 62 can perform continuous automatic detection on the products on the material belt quickly, accurately and comprehensively.

The first camera 42, the second camera 52 and the third camera 62 generally adopt CCD cameras which are small in size, light in weight, free of magnetic field influence, resistant to vibration and good in impact performance, the first bracket 41 can be provided with the first sliding table 44 matched with the first camera 42, the second bracket 51 can be provided with the second sliding table 54 matched with the third camera 62, the third bracket 61 can be provided with the third sliding table 64 matched with the third camera 62, such as a cross sliding table or a three-axis sliding table, and the relative distances between the first camera 42, the second camera 52 and the third camera 62 and the feeding plate 21 can be respectively adjusted through the first sliding table 44, the second sliding table 54 and the third sliding table 64, so that products on the material belt can be better detected. The first support 41 is further provided with a first light source 43 matched with the first camera 42, the second support 51 is further provided with a second light source 53 matched with the second camera 52, the third support 61 is further provided with a third light source 63 matched with the third camera 62, such as a coaxial light source, an annular light source and the like, the light source is generally located between a product and the camera, a better detection environment can be provided through the light source, and the detection precision is higher.

The positioning component 3 may be located above the feeding plate 21 of the feeding table 2, or below the feeding plate 21 of the feeding table 2, and the positioning component 3 is usually disposed at the feeding end and the discharging end of the feeding table 2. Generally, locating component 3 is located the top of pay-off board 21 of pay-off platform 2, locating component 3 includes a plurality of pilot pins 31 and promotes the first elevating system 32 of pilot pin 31 up-and-down motion, pilot pin 31 is a set of at least, two that every position symmetry set up, two pilot pins 31 can respectively with take the corresponding cooperation of locating hole of both sides, when the assigned position is carried along pay-off platform 2 to the material area, first elevating system 32 promotes pilot pin 31 downstream, pilot pin 31 inserts the locating hole on the material area, thereby with the material area accurate, fix a position on pay-off platform 2 steadily.

The first lifting mechanism 32 can lift by a synchronous belt, a gear rack, a screw rod, an air cylinder, an oil cylinder, a linear module and the like, and generally adopts an air cylinder mode, so that the structure is simple and compact, the installation and the maintenance are convenient, and the safety, the environmental protection and the like are realized. The first lifting mechanism 32 includes a fourth support 321, a first cylinder 322 is disposed on the fourth support 321, an extending end of the first cylinder 322 is downward and connected with a first mounting plate 323 for mounting the positioning pin 31, the fourth support 321 includes a first fixing plate 3211 for mounting the first cylinder 322, the first fixing plate 3211 is located above the first cylinder 322, the first fixing plate 3211 is connected with the feeding plate 21 of the feeding table 2 through a plurality of first guide pillars 3212, generally, four end corners of the first fixing plate 3211 are respectively provided with the first guide pillars 3212, the first mounting plate 323 is provided with guide holes matched with the first guide pillars 3212, the first cylinder 322 pushes the first mounting plate 323 to move up and down along the first guide pillars 3212, the movement is more stable, and the precision is higher. First mounting panel 323 includes backplate and splint usually, and backplate and splint cooperate and are convenient for more install fixed position needle 31, can also set up in the guiding hole with first guide pillar 3212 matched with uide bushing, linear bearing, oilless axle sleeve etc. and the motion is more steady like this, and the precision is higher.

The pressing assembly 7 comprises a fixed seat 71 located above the feeding table 2 and a second lifting mechanism 73 for pushing the fixed seat 71 to move up and down, pressing blocks 72 are arranged on the fixed seat 71, the pressing blocks 72 are generally symmetrically arranged, the two pressing blocks 72 are located on two sides above the material belt, and the second lifting mechanism 73 can push the fixed seat 71 to move downwards, so that the pressing blocks 72 press two sides of the material belt. The material pressing block 72 is usually made of a hard material with a smooth surface, such as die steel, alloy tool steel, and the like, and has good wear resistance and is not easy to generate wear and have residual slag.

Be provided with on the fixing base 71 with press material piece 72 matched with spout 711 and with press material piece 72 elastic connection's first elastic component 75, spout 711 sets up along vertical direction, first elastic component 75 is located the top of pressing material piece 72, second elevating system 73 promotes when pressing material piece 72 and sticising the material area, press material piece 72 can follow spout 711 upwards slip and compress first elastic component 75, thereby can flatten the material area better, first elastic component 75 has the effect of buffer protection, and also be convenient for press material piece 72 to loosen the automatic re-setting behind the material area, and when the material area was carried along pay-off platform 2, press material piece 72 to compress tightly the material area through elasticity on, do not influence the transport in material area like this, thereby guarantee that the material area is more steady, pay-off reliably, be convenient for more accurate, detect the product on the material area steadily. The fixing seat 71 is generally provided with a second through hole 712 which is matched with the material pressing block 72 in an up-and-down movement manner and used for detecting a product on the material belt, the first elastic piece 75 is generally a spring, and other suitable elastic pieces in the prior art can be adopted, the spring is positioned above the material pressing block 72, the top of the material pressing block 72 can be provided with a groove body matched with the lower end of the spring, the fixing seat 71 can be further provided with an adjusting screw matched with the upper end of the spring, and the adjusting screw is convenient to fix and adjust the spring.

The fixing base 71 is provided with a height limiting block 74 used for being matched with a product on a material belt, the height limiting block 74 is usually located in the second through hole 712, the height limiting block 74 is usually made of relatively soft materials such as peek engineering plastics, the height of the product on the material belt can be limited, the product can be prevented from upwarping, the product can be prevented from being damaged, and therefore the product can be better detected.

The second lifting mechanism 73 can lift by a synchronous belt, a gear rack, a screw rod, an air cylinder, an oil cylinder, a linear module and the like, generally adopts an air cylinder mode, and has the advantages of simple and compact structure, convenience in installation and maintenance, safety, environmental protection and the like. The second lifting mechanism 73 is a second cylinder 731, the second cylinder 731 can push the fixing seat 71 to move up and down to enable the material pressing block 72 to press the material strip, and the second cylinder 731 can be arranged above the feeding plate 21 of the feeding table 2 or below the feeding plate 21 of the feeding table 2.

The first detection assembly 4 and the third detection assembly 6 are located above the feeding plate 21 of the feeding table 2, the second cylinder 731 is suitable for being arranged below the feeding plate 21, as shown in fig. 5, the second cylinder 731 is installed on the feeding plate 21, the extending end of the second cylinder 731 faces upwards and is connected with the first connection plate 732, the first connection plate 732 is connected with the fixing base 71 through a plurality of second guide pillars 733, a guide hole matched with the second guide pillars 733 is arranged on the feeding plate 21, generally, the four end corners of the first connection plate 732 are respectively provided with the second guide pillars 733, the second cylinder 731 drives the fixing base 71 to move up and down through the first connection plate 732 and the second guide pillars 733, and the second guide pillars 733 slide along the guide hole, a guide sleeve matched with the second guide pillars 733, a linear bearing, an oilless shaft sleeve and the like can be further arranged in the guide hole, so that the movement is more stable, and the precision is higher.

The second detecting assembly 5 is located below the feeding plate 21 of the feeding table 2, the second cylinder 731 is suitable for being disposed above the feeding plate 21, as shown in fig. 6, the second cylinder 731 is disposed on the fifth bracket 734, the fifth bracket 734 includes a second fixing plate 7341 mounted with the second cylinder 731, the second fixing plate 7341 is located above the second cylinder 731, the extending end of the second cylinder 731 faces downward and is connected to the fixing base 71 through a second connecting plate 735, the second fixing plate 7341 is connected to the feeding plate 21 through a plurality of third guide posts 7342, the fixing base 71 is provided with a guide hole matched with the third guide posts 7342, usually, the four end corners of the second fixing plate 7341 are respectively provided with the third guide posts 7342, the second cylinder 731 can push the fixing base 71 to move up and down along the third guide posts 7342, the guide hole can also be provided with a guide sleeve, a linear bearing, an oilless shaft sleeve, etc. matched with the third guide posts 7342, so that the movement is more stable, the precision is higher.

In the using process, the processed products are sequentially arranged on the material belt, the material belt is pulled by a corresponding material pulling device to be conveyed along the feeding plate 21 of the feeding table 2, the material belt is fed along the first groove body 211 on the feeding plate 21, two side edges of the material belt respectively pass through the first section 201 and sequentially pass through the first detection assembly 4, the second detection assembly 5 and the third detection assembly 6 on the feeding table 2, the positioning assembly 3 on the feeding table 2 is matched with the positioning holes on the material belt to position the material belt on the feeding table 2, the material pressing assembly 7 on the feeding table 2 stably presses the material belt on the feeding table 2, the first detection assembly 4 and the second detection assembly 5 can respectively detect the whole front and back of the products to determine whether the product size is qualified or not, whether the products have defects of deformation, dirty scratch and the like or not, and the third detection assembly 6 can respectively accurately detect the local parts of the products, whether the product has the defects of welding point deviation, welding missing and the like is determined, so that the product can be comprehensively and accurately automatically detected.

Compared with the prior art, the automatic detection device has the advantages that comprehensive and accurate automatic detection can be realized for products, the operation is simple and convenient, the detection precision is high, the speed is high, the labor intensity is low, the labor and the time are effectively saved, the conditions of missed detection, misjudgment and the like are not easy to generate, the detection can be accurate and quick for smaller products, products with irregular shapes or complex shapes and the like, the stability and the reliability are high, the overall quality of the production efficiency and the products is improved, the production cost is reduced, the production management and control are convenient, the market competitiveness of the products is expanded, the automatic detection device is convenient to apply to the 3C field, the electric control field, the network field and other fields, and the application range is wide.

The foregoing is directed to embodiments of the present disclosure, which are provided for illustration only and not for limitation, and it is understood that modifications and substitutions may be made by those skilled in the art without departing from the spirit of the disclosure and all such modifications and substitutions are to be considered within the scope of the appended claims. In this case all the details may be replaced with equivalent elements, and the materials, shapes and dimensions may be any.

Claims (10)

1. The stamping part appearance detection device is characterized by comprising a feeding table (2), wherein a first detection assembly (4), a second detection assembly (5) and at least one third detection assembly (6) are sequentially arranged on the feeding table (2), the first detection assembly (4) and the third detection assembly (6) are positioned above the feeding table (2), the second detection assembly (5) is positioned below the feeding table (2), a positioning assembly (3) used for positioning a material belt and a pressing assembly (7) which are respectively matched with the first detection assembly (4), the second detection assembly (5) and the third detection assembly (6) are arranged on the feeding table (2), the positioning assembly (3) and the pressing assembly (7) can position and press the material belt conveyed along the feeding table (2), the first detection assembly (4), the second detection assembly (5) and the third detection assembly (6) can respectively detect products on the material belt correspondingly.

2. The stamping part appearance detection device according to claim 1, wherein the feeding table (2) comprises a feeding plate (21), a first groove body (211) for a material belt to pass through is arranged on the feeding plate (21), and a first through hole (212) correspondingly matched with the second detection assembly (5) is arranged in the first groove body (211).

3. The appearance detection device for the stamping part according to claim 2, characterized in that cover plates (22) are respectively arranged above two sides of the first slot body (211), and the two cover plates (22) respectively form a first section (201) with the first slot body (211) for two side edges of the material strip to pass through.

4. The appearance detection device for the stamped part according to claim 1, wherein the first detection assembly (4) comprises a first bracket (41) and a first camera (42) arranged on the first bracket (41), the second detection assembly (5) comprises a second bracket (51) and a second camera (52) arranged on the second bracket (51), and the third detection assembly (6) comprises a third bracket (61) and a third camera (62) arranged on the third bracket (61).

5. The appearance detection device for the stamped parts according to claim 1, wherein the positioning assembly (3) is located above the feeding table (2), and the positioning assembly (3) comprises a plurality of positioning pins (31) and a first lifting mechanism (32) for pushing the positioning pins (31) to move up and down to position the material tape.

6. The appearance detection device of the stamping part according to claim 5, characterized in that the first lifting mechanism (32) comprises a fourth bracket (321) and a first air cylinder (322) arranged on the fourth bracket (321), and the extending end of the first air cylinder (322) faces downwards and is connected with a first mounting plate (323) for mounting the positioning pin (31).

7. The appearance detection device for the stamped parts according to any one of claims 1 to 6, wherein the pressing assembly (7) comprises a fixed seat (71) located above the feeding table (2), a pressing block (72) arranged on the fixed seat (71), and a second lifting mechanism (73) for pushing the fixed seat (71) to move up and down, and the second lifting mechanism (73) can push the fixed seat (71) to move up and down so that the pressing block (72) presses the material tape.

8. A stamping part appearance detection device according to claim 7, characterized in that the fixing seat (71) is provided with a height limiting block (74) for matching with a product on the material belt.

9. The appearance detection device for the stamped part according to claim 7, wherein a sliding groove (711) matched with the swage block (72) and a first elastic member (75) elastically connected with the swage block (72) are arranged on the fixed seat (71), the sliding groove (711) is arranged in the vertical direction, and the first elastic member (75) is located above the swage block (72).

10. The appearance detection device for the stamped parts according to claim 7, wherein the second lifting mechanism (73) is a second cylinder (731), and the second cylinder (731) can push the fixing seat (71) to move up and down to enable the pressing block (72) to press the material tape.

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