Device for detecting position of workpiece in mold cavity

Abstract

The utility model belongs to the technical field of die forging, and particularly discloses a device for detecting the position of a workpiece in a die cavity, which comprises a visual adjusting unit, a visual sensing unit and an image processing unit, the visual adjusting unit is arranged at the upper end of the working ground on one side of the mold; the vision sensing unit is arranged at one end of the vision adjusting unit; the image processing unit is in communication connection with the visual sensing unit; the position and the angle of the vision sensing unit are rapidly adjusted through the vision adjusting unit according to different working requirements, so that the detection device can rapidly adapt to various working environments and task requirements, and the application range of the device is effectively widened; the image processing unit is used for quickly comparing the workpiece image information obtained by the visual sensing unit with a reference image to obtain matching degree data in real time, so that the situation that the workpiece is wrongly placed or does not meet the standard is quickly identified, and production accidents and quality problems caused by wrong placement are avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to die forging technical field, more specifically, it relates to a die cavity workpiece position detection device. BACKGROUND

[0002] Workpiece position detection device is an indispensable part of modern precision manufacturing process, especially when used in die cavity, it has important significance for ensuring product quality and production efficiency. This kind of device is mainly used for detecting the exact position of the workpiece in the die, to ensure that the workpiece can be placed accurately in the predetermined position in the production process, avoid the product defects or equipment damage caused by position deviation.

[0003] Among the existing patents, the Chinese patent with document number CN211783175U discloses a rotary body hot forging upper and lower die error detection device, which comprises a die rotating structure and a needle structure. The die rotating structure comprises a bottom plate and a die core, and the die core is detachably installed on the bottom plate. The needle structure comprises a base, which is detachably arranged on the bottom plate and spaced apart from the die core. A branch is movably connected to the base, and a needle is movably connected to the middle part of the branch. The utility model rotates the needle and the rotary body hot forging placed on the die core, so that the tip of the needle contacts the part of the rotary body hot forging closest to the upper die. The rotary body hot forging is rotated to the position where the upper die and the needle have the maximum gap. The half of the gap is the specific value of the error of the upper and lower dies. The Chinese patent with document number CN212976476U discloses a stamping die structure with position detection function, relating to stamping production technology field. The stamping die structure with position detection function comprises an upper pressing structure and a lower pressing structure. The bottom of the upper pressing structure is provided with a stamping die, and the lower pressing structure is provided with a coil material. The stamping die structure with position detection function adds a stamping rod and a stress structure to the existing equipment. A preliminary hole is added to the coil material during stamping, and the preliminary hole is detected by the detection structure before the next stamping. If the preliminary hole is not aligned with the detection structure, the coil material is moved to the aligned position using the feeding mechanism, so as to avoid the incorrect product shape caused by die stamping coincidence and the uneven stress of the die during stamping, improve the production automation level and ensure the quality of the product.

[0004] The detection devices of the above-mentioned patents detect the position of the workpiece through the structure inside and outside the die respectively, which is relatively simple in structure and convenient for users to use, but it still cannot well solve some problems existing in the prior art, such as: (1) low intelligentization degree, leading to high labor intensity; (2) low adaptability to different workpieces and dies, leading to insufficient universality, which may not meet the needs of modern high-quality and efficient production. UTILITY MODEL CONTENTS

[0005] In view of the above defects or improvement needs of the prior art, the utility model provides a kind of mould cavity inside workpiece position detection device, the position and angle of visual sensing unit are quickly adjusted according to different work requirements by the visual adjustment unit, so that the detection device can quickly adapt to a variety of working environment and task requirements, effectively improve the flexibility and application range of device, reduce the investment cost of device, in addition, the workpiece image information obtained by the visual sensing unit is compared with reference image quickly by the image processing unit to obtain matching degree data in real time, so as to quickly identify the error placement or non-standard condition of workpiece, avoid production accident and quality problem caused by error placement, reduce production cost.

[0006] In order to achieve the above object, the utility model provides a kind of mould cavity inside workpiece position detection device, comprising: visual adjustment unit, visual sensing unit and image processing unit, wherein:

[0007] The visual adjustment unit includes: support assembly, is located at work ground, for stabilizing support other components;Adjusting assembly is detachably arranged on one side of the support assembly and is connected with the visual sensing unit, for adjusting the angle of the visual sensing unit;

[0008] The visual sensing unit is arranged at one end of the visual adjustment unit, for obtaining image data of workpiece in mould cavity;

[0009] The image processing unit is communicatively connected with the visual sensing unit, for comparing the image data obtained by the visual sensing unit with reference image data, to complete the judgment of workpiece position and issue warning information.

[0010] Further, the support assembly includes: fixed seat, first support column, first connecting plate, second support column and second connecting plate;Wherein:

[0011] The fixed seat is detachably arranged on work ground by bolt;The surface of the first support column is uniformly provided with first fixing groove, and is detachably connected with the fixed seat vertically by a plurality of first fixing grooves and a plurality of first connecting plates;The surface of the second support column is uniformly provided with second fixing groove, and is detachably connected with the first support column horizontally by a plurality of second fixing grooves and the second connecting plate.

[0012] Further, the first support column and the second support column are both aluminum profiles;

[0013] The first fixing groove and the second fixing groove are the same, and the shape includes: T-shaped groove or outer narrow inner wide trapezoidal groove;

[0014] The first connecting plate is at least two.

[0015] Further, the adjusting assembly comprises an angle adjusting seat and an adjusting seat mounting cap; wherein:

[0016] The angle adjusting seat is an L-shaped seat, one side of which is provided with an arc waist hole and a circular through hole, and the circular through hole is arranged at the axis of the arc waist hole;

[0017] The angle adjusting seat is arranged on one side of the second supporting column through a screw rod passing through the circular through hole and the adjusting seat mounting cap, and the angle adjusting seat is in movable contact with the screw rod.

[0018] Further, the adjusting assembly further comprises an adjusting seat fixing cap, which is arranged in the second fixing groove and corresponds to the position of the arc waist hole, so as to fix the angle adjusting seat in movable contact with the screw rod on the second supporting column through a bolt and the adjusting seat fixing cap.

[0019] Further, the lower side or the upper side of the arc waist hole is provided with a rack;

[0020] The adjusting assembly further comprises a motor, which is detachably connected with the screw rod through two ear plates and four nuts at the upper end of the motor, and the output shaft end of the motor is provided with a gear in rotational contact with the rack.

[0021] Further, the visual sensing unit comprises an image sensor, a first data processing module and a first communication module;

[0022] The image sensor is connected with the first data processing module, which comprises a charge-coupled device or a complementary metal-oxide semiconductor, and converts optical information of the workpiece position into an electrical signal;

[0023] The first data processing module is connected with the first communication module, which comprises a signal processing circuit, an analog-digital conversion circuit and a programmable logic controller;

[0024] The first communication module comprises a wired or wireless communication circuit and an interface.

[0025] Further, the visual sensing unit further comprises fixed light sources, a plurality of the fixed light sources are arranged around the mold, and the total luminous flux is 1000-2000 lumens.

[0026] Further, the image processing unit comprises a second communication module, a memory module, a second data processing module and an output warning module;

[0027] The second communication module is connected with the first communication module, which comprises a wired or wireless communication circuit and an interface;

[0028] The memory module is connected with the second communication module, and includes a mechanical hard disk or a solid state disk, and stores a reference image and an alarm threshold;

[0029] The second data processing module is connected with the memory module, and includes a programmable logic controller;

[0030] The output alarm module is connected with the second data processing module, and includes an LED lamp, a screen or a loudspeaker.

[0031] Further, when the alarm threshold is a matching degree not greater than 85%, the output alarm module sends an alarm signal through light, image or audio.

[0032] Overall, compared with the prior art, the above technical scheme conceived by the utility model can achieve the following beneficial effects:

[0033] (1) The detection device of the utility model, through the visual adjustment unit, quickly adjusts the position and angle of the visual sensing unit according to different work requirements, so that the detection device can quickly adapt to various working environments and task requirements, effectively improves the flexibility and application range of the device, reduces the investment cost of the device, in addition, the image processing unit quickly compares the workpiece image information obtained by the visual sensing unit with the reference image to obtain matching degree data in real time, thereby quickly identifying the incorrect placement or non-standard condition of the workpiece, avoiding production accidents and quality problems caused by incorrect placement, and reducing production cost.

[0034] (2) The detection device of the utility model, by detachably arranging the supporting assembly on the working ground and detachably arranging the adjusting assembly on one side of the supporting assembly, the position and angle of the visual sensing unit can be quickly adjusted according to different work requirements, and the detachable design makes the installation process of the whole device simple and fast, so that the initial installation or later rearrangement can be completed in a short time, reducing the time cost of equipment debugging and accelerating the progress of the project.

[0035] (3) The detection device of the utility model, by aligning the image sensor with the mold cavity, the position information of the workpiece is obtained, and the optical information is converted into an electrical signal, a digital image is generated and output to the first data processing module, secondly, the first data processing module converts the electrical signal into a digital signal and adds the state information when the image is acquired, and all information is packaged and sent to the image processing unit through the first communication module, so as to realize high-precision detection and real-time monitoring of the position of the workpiece in the mold cavity, effectively improve production efficiency and product quality, and also have high flexibility, scalability and maintenance convenience.

[0036] (4) The detection device of the utility model, through the second communication module stable reception the image information transmission of the first communication module, and storage to the memory module, at the same time, through the second data processing module compares the image information with the reference image data in the memory module, obtains the matching degree information, and compares with the warning threshold value stored in the memory module, sends the comparison information to the output warning module, realizes the stable reception, high-precision detection, real-time monitoring and timely alarm to the image information, helps to improve the production efficiency and product quality. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 It is the structural schematic view of visual adjustment unit and visual sensing unit of the utility model embodiment;

[0038] Figure 2 It is the structural schematic view of A place of the utility model embodiment;

[0039] Figure 3 It is the structural schematic view of visual sensing unit and image processing unit of the utility model embodiment;

[0040] Figure 4 It is the assembly schematic view of motor and angle adjustment seat of the utility model embodiment.

[0041] In all drawings, same reference signs represent same technical features, specifically: 1-visual adjustment unit, 11-support assembly, 111-fixed seat, 112-first support column, 1121-first fixed groove, 113-first connecting plate, 114-second support column, 1141-second fixed groove, 115-second connecting plate, 12-adjustment assembly, 121-angle adjustment seat, 1211-arc waist hole, 1212-circular through hole, 1213-screw rod, 122-adjustment seat installation cap, 123-adjustment seat fixed cap, 124-motor, 2-visual sensing unit, 21-image sensor, 22-first data processing module, 23-first communication module, 3-image processing unit, 31-second communication module, 32-memory module, 33-second data processing module, 34-output warning module, 4-mold. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following is combined with the drawings and embodiment, and the utility model is further detailed.The specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0043] As Figures 1 to 3As shown, one embodiment of the present application provides a workpiece position detection device in a mold cavity, comprising: a visual adjustment unit 1, a visual sensing unit 2 and an image processing unit 3; the visual adjustment unit 1 is arranged on the upper end of the working ground on one side of the mold; the visual sensing unit 2 is arranged on one end of the visual adjustment unit 1; the image processing unit 3 is in communication connection with the visual sensing unit 2. In the actual working process, the position and angle of the visual sensing unit 2 are quickly adjusted according to different working requirements through the visual adjustment unit 1, so that the detection device can quickly adapt to various working environments and task requirements, effectively improve the flexibility and application range of the device, reduce the investment cost of the device, in addition, the image processing unit 3 quickly compares the workpiece image information obtained by the visual sensing unit 2 with the reference image to obtain matching degree data in real time, thereby quickly identifying the incorrect placement or non-standard situation of the workpiece, avoiding production accidents and quality problems caused by incorrect placement, and reducing production cost.

[0044] Specifically, as shown in Figure 1 and Figure 2 The visual adjustment unit 1 is arranged on the upper end of the working ground on one side of the mold, used for supporting the visual sensing unit 2 and adjusting the angle of the visual sensing unit 2. The visual adjustment unit 1 comprises: a support assembly 11 and an adjustment assembly 12; the support assembly 11 is arranged on the working ground, used for stably supporting other components; the adjustment assembly 12 is detachably arranged on one side of the support assembly 11 and connected with the visual sensing unit 2, used for adjusting the angle of the visual sensing unit 2. In the actual working process, the support assembly 11 is detachably arranged on the working ground, and the adjustment assembly 12 is detachably arranged on one side of the support assembly 11, so as to quickly adjust the position and angle of the visual sensing unit 2 according to different working requirements. At the same time, the detachable design makes the installation process of the whole device simple and fast, so that the initial installation or later rearrangement can be completed in a short time, reducing the time cost of equipment debugging and accelerating the progress of the project.

[0045] Further, the support assembly 11 comprises a fixing base 111, a first support column 112, a first connecting plate 113, a second support column 114 and a second connecting plate 115; the fixing base 111 is detachably arranged on the working ground by bolts; the first support column 112 is uniformly provided with first fixing grooves 1121 on the surface, and is detachably connected with the fixing base 111 in the vertical direction through the first fixing grooves 1121 and the first connecting plate 113; the second support column 114 is uniformly provided with second fixing grooves 1141 on the surface, and is detachably connected with the first support column 112 in the horizontal direction through the second fixing grooves 1141 and the second connecting plate 115, so as to arrange the second support column 114 on the first support column 112 at different heights according to the mold and the type of workpiece.

[0046] Preferably, the first support column 112 and the second support column 114 are both aluminum profiles, and the first fixing grooves 1121 and the second fixing grooves 1141 are the same, and the shape comprises a T-shaped groove or a trapezoidal groove with a narrow outside and a wide inside, so as to reduce the weight under the condition of meeting the support requirement, and facilitate installation and maintenance.

[0047] Preferably, the first connecting plate 113 is at least two, and it can be understood that when the first connecting plate 113 is two, the two first connecting plates 113 are oppositely arranged and one of them is arranged directly below the second support column 114; when the first connecting plate 113 is three, one of them is arranged directly below the second support column 114 or in the opposite position, and the other two first connecting plates 113 are arranged on the two sides of the second support column 114 respectively.

[0048] Preferably, the first connecting plate 113 and the second connecting plate 115 are the same, and both are L-shaped connecting plates, which are used to increase the connection area and improve the connection strength.

[0049] Further, the adjusting assembly 12 comprises an angle adjusting base 121, an adjusting base mounting cap 122 and an adjusting base fixing cap 123; the angle adjusting base 121 is an L-shaped base, which is provided with an arc-shaped waist hole 1211 and a circular through hole 1212 on one side, and the circular through hole 1212 is arranged on the axis of the arc-shaped waist hole 1211; the angle adjusting base 121 is arranged on one side of the second support column 114 through a screw rod 1213 penetrating through the circular through hole 1212 and the adjusting base mounting cap 122, and the angle adjusting base 121 is in movable contact with the screw rod 1213; the adjusting base fixing cap 123 is arranged in the second fixing groove 1141 and corresponds to the position of the arc-shaped waist hole 1211, so as to fix the angle adjusting base 121 in movable contact with the screw rod 1213 on the second support column 114 through bolts and the adjusting base fixing cap 123, and realize the convenient adjustment of the angle of the angle adjusting base 121.

[0050] It is necessary to point out that the screw 1213 is detachably connected with the adjusting seat installation cap 122 through the circular through hole 1212, wherein: the adjusting seat installation cap 122 is matched with the second fixed groove 1141 and can slide in the second fixed groove 1141 so as to conveniently adjust the position of the angle adjusting seat 121 on the second support column 114 through the screw 1213, and secondly, the contact surface between the circular through hole 1212 and the screw 1213 is a smooth surface, so that the angle adjusting seat 121 can be conveniently rotated around the screw 1211.

[0051] Specifically, as shown in Figures 1 to 3 The visual sensing unit 2 is arranged at one end of the visual adjusting unit 1, that is, one side of the angle adjusting seat 121, and is used to obtain image data of a workpiece in a mold cavity. The visual sensing unit 2 comprises an image sensor 21, a first data processing module 22 and a first communication module 23; the image sensor 21 is connected with the first data processing module 22; the first data processing module 22 is connected with the first communication module 23. In actual working process, by aligning the image sensor 21 to the mold cavity, the position information of the workpiece is obtained, and the optical information is converted into an electric signal, a digital image is generated and output to the first data processing module 22, and secondly, the electric signal is converted into a digital signal by the first data processing module 22 and state information during image acquisition is added, and all information is packaged and sent to the image processing unit 3 through the first communication module 23, so as to realize high-precision detection and real-time monitoring of the position of the workpiece in the mold cavity, effectively improve the production efficiency and product quality, and also have high flexibility, scalability and maintenance convenience.

[0052] Preferably, the image sensor 21, the first data processing module 22 and the first communication module 23 can be integrated into a high-definition digital camera, wherein the image sensor 21 includes a charge-coupled device (CCD) or a complementary metal oxide semiconductor (CMOS), which can convert optical information of the workpiece position into an electrical signal; the first data processing module 22 includes a signal processing circuit (for amplification and filtering), an analog-to-digital converter (ADC) and a programmable logic controller (PLC), which can convert the electrical signal into a digital signal and add state information including shooting time, camera model, aperture size, shutter speed, ISO sensitivity and geographic location, so as to improve the accuracy of subsequent image processing; the first communication module 23 includes wired or wireless communication circuit and interface, which can stably transmit the digital signal to the image processing unit 3.

[0053] Preferably, the visual sensing unit 2 further includes a plurality of fixed light sources arranged around the mold and having a total luminous flux of 1000-2000 lumens, which are used to provide stable light source and improve imaging effect, so as to ensure that the image sensor 21 obtains images under the same lighting conditions and further improve product quality.

[0054] Specifically, as shown in Figure 3 The image processing unit 3 is in communication connection with the visual sensing unit 2, which is used to compare the image data obtained by the visual sensing unit 2 with reference image data to complete the judgment of the workpiece position and issue warning information. The image processing unit 3 includes a second communication module 31, a memory module 32, a second data processing module 33 and an output warning module 34; the second communication module 31 is connected with the first communication module 23; the memory module 32 is connected with the second communication module 31; the second data processing module 33 is connected with the memory module 32; and the output warning module 34 is connected with the second data processing module 33. In actual working process, the second communication module 31 stably receives the image information transmitted by the first communication module 23 and stores it in the memory module 32, at the same time, the second data processing module 33 compares the image information with the reference image data in the memory module 32 to obtain matching degree information, and compares the matching degree information with the warning threshold value stored in the memory module 32, and sends the comparison information to the output warning module 34, so as to realize stable reception, high-precision detection, real-time monitoring and timely alarm of the image information, which is helpful to improve production efficiency and product quality.

[0055] Preferably, the second communication module 31 comprises wired or wireless communication circuit and interface, which can stably transmit digital signals to the memory module 32; the memory module 32 comprises a mechanical hard disk or a solid state disk, which can read and write programs and data, and stores reference images and warning thresholds; the second data processing module 33 comprises a programmable logic controller (PLC) and is provided with an algorithm, which can perform logical operations and compare image data; the output warning module 34 comprises an LED lamp, a screen or a loudspeaker, which can send warning signals.

[0056] Preferably, when the warning threshold is not greater than 85%, the output warning module 34 sends a warning signal.

[0057] Further, the image processing unit 3 can be arranged near a forging process industrial computer, so as to conveniently manage the process and save labor intensity.

[0058] The working principle of the utility model is as follows: according to the mold and the workpiece type, the horizontal height of the first support column 112 is adjusted through the second connecting plate 115, and the shooting angle of the visual sensing unit 2 is adjusted through the adjusting seat fixing cap 123, so as to obtain the best photography angle of the workpiece to be processed and obtain the reference image stored in the memory module 32; when the forging is formally carried out, the robot sequentially puts the workpiece into the mold, the visual sensing unit 2 obtains the workpiece position image and stores it in the memory module 32, and stores it as a historical image; the second data processing module 33 compares the historical image with the reference image data, obtains the matching degree data and stores it in the memory module, and simultaneously associates with the historical image; the second data processing module 33 transmits the current historical image, the reference image and the matching degree data to the output warning module 34; when the matching degree is greater than 85%, the position is normal, and the subsequent process is automatically judged and automatically processed; when the matching degree is not greater than 85%, the output warning module 34 sends a warning signal through light, image or audio, manual intervention, and then restarts the production line to continue processing. Understandably, the detailed historical record formed by the historical images in the memory module 32 can be used for subsequent data analysis and management, and through the analysis of historical data, the trend and problems in the production process can be found, and the production process is optimized.

[0059] In the optional embodiment, the adjusting assembly 12 is arranged on one side of the first support column 112, so as to reduce the installation and maintenance difficulty under the condition of meeting the safety of forging press equipment.

[0060] In the optional embodiment, as Figure 4As shown, the arc-shaped waist hole 1211 is provided with a rack on the lower side or the upper side, and the adjusting assembly 12 further comprises a motor 124, which is detachably connected with the screw rod 1213 through two ear plates and four nuts on the upper end of the motor 124, and the output shaft end of the motor 124 is provided with a gear which is adapted to and rotationally contacts with the rack, so that the angle adjusting seat 121 is driven to rotate around the screw rod 1213 by remotely controlling the motor 124, and then the angle of the visual sensing unit 2 is adjusted, and the intelligent level of the device is significantly improved.

[0061] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0062] In addition, if the embodiments of the present application involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of a person skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the present application.

[0063] In this patent, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the elements defined by the statement "include" do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0064] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; those skilled in the art can easily understand that the above description is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A workpiece position detection apparatus within a mold cavity, comprising: The visual adjustment unit (1), the visual sensing unit (2) and the image processing unit (3), wherein the visual adjustment unit (1) comprises: a support assembly (11) arranged on the working surface for stably supporting other components; an adjustment assembly (12) detachably arranged on one side of the support assembly (11) and connected with the visual sensing unit (2) for adjusting the angle of the visual sensing unit (2); the visual sensing unit (2) is arranged on one end of the visual adjustment unit (1) for obtaining image data of the workpiece in the mold cavity; the visual sensing unit (2) comprises: an image sensor (21), a first data processing module (22) and a first communication module (23); the image sensor (21) is connected with the first data processing module (22); the first data processing module (22) is connected with the first communication module (23); the image processing unit (3) is in communication connection with the visual sensing unit (2) for comparing the image data obtained by the visual sensing unit (2) with the reference image data to complete the judgment of the position of the workpiece and issue warning information; the image processing unit (3) comprises: a second communication module (31), a memory module (32), a second data processing module (33) and an output warning module (34); the second communication module (31) is connected with the first communication module (23); the memory module (32) is connected with the second communication module (31) and stores the reference image and the warning threshold; the second data processing module (33) is connected with the memory module (32); the output warning module (34) is connected with the second data processing module (33); characterized in that the support assembly (11) comprises: a fixed seat (111), a first support column (112), a first connecting plate (113), a second support column (114) and a second connecting plate (115); wherein: the fixed seat (111) is detachably arranged on the working surface by bolts; the first support column (112) is uniformly provided with a first fixing groove (1121) on the surface, and is detachably connected with the fixed seat (111) in the vertical direction through a plurality of first fixing grooves (1121) and a plurality of first connecting plates (113); the second support column (114) is uniformly provided with a second fixing groove (1141) on the surface, and is detachably connected with the first support column (112) in the horizontal direction through a plurality of second fixing grooves (1141) and the second connecting plate (115); the adjustment assembly (12) comprises: an angle adjustment seat (121) and an adjustment seat mounting cap (122); wherein: the angle adjustment seat (121) is an L-shaped seat, one side of which is provided with an arc waist hole (1211) and a circular through hole (1212), and the circular through hole (1212) is arranged on the axis of the arc waist hole (1211); The angle adjusting seat (121) is arranged on one side of the second supporting column (114) through a screw rod (1213) penetrating through the circular through hole (1212) and the adjusting seat mounting cap (122), and the angle adjusting seat (121) is in movable contact with the screw rod (1213); The adjusting assembly (12) further comprises an adjusting seat fixing cap (123) arranged in the second fixing groove (1141) and corresponding to the arc waist hole (1211) in position, so as to fix the angle adjusting seat (121) in movable contact with the screw rod (1213) on the second supporting column (114) through bolts and the adjusting seat fixing cap (123).

2. The detection device of claim 1, wherein, The first supporting column (112) and the second supporting column (114) are both aluminum profiles; The first fixing groove (1121) and the second fixing groove (1141) are the same, and the shape thereof comprises a T-shaped groove or a trapezoidal groove with a narrow outer part and a wide inner part; The first connecting plate (113) is at least two.

3. The detection device of claim 1, wherein, The arc waist hole (1211) is provided with a gear rack on the lower side or the upper side thereof; The adjusting assembly (12) further comprises a motor (124) detachably connected with the screw rod (1213) through two ear plates and four nuts on the upper end of the motor (124), and the output shaft end of the motor (124) is provided with a gear in rotational contact with the gear rack.

4. The detection device of claim 1, wherein, The visual sensing unit (2) further comprises fixed light sources, and a plurality of the fixed light sources are arranged around the mold and have a total luminous flux of 1000-2000 lumens.

5. The detection device of claim 1, wherein, When the warning threshold is a matching degree of not more than 85%, the output warning module (34) sends a warning signal through light, image or audio. When the warning threshold is a matching degree of not more than 85%, the output warning module (34) sends a warning signal through light, image or audio.

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