Product detection device

Abstract

The invention provides a product detection device, and relates to the technical field of product detection. A measuring part in a measuring module of the product detection device is arranged along the motion trail of a dragging module, and a feeding module is arranged on the side, provided with a dragging end, of the dragging module and used for moving a to-be-detected product to the dragging end; the dragging module is used for driving the to-be-detected product to move along a movement track, and the movement track comprises a measuring point corresponding to each measuring part; the measuring module is used for driving the measuring part to contact the to-be-detected product at the corresponding measuring point so as to measure the to-be-detected product. According to the embodiment of the invention, automatic measurement of the product can be realized, the labor cost of product measurement is effectively reduced, the measurement speed is high, the efficiency is high, missing detection is not easy to cause, and the accuracy of product detection is improved.

Description

Technical Field

[0001] The present application relates to the technical field of product detection, and in particular, to a product detection device. Background Art

[0002] With the development of industry and the improvement of people's production and living standards, more and more products are appearing in people's daily production and life. These products have brought great convenience to people's life and work, thereby effectively improving living standards and improving production efficiency.

[0003] During the production process, due to the problem of processing accuracy, the dimensions may deviate. Dimension measurement is a necessary step in the production process and a key link to ensure product quality. Every product in the production process must undergo strict dimensional measurement to determine whether it meets the processing requirements. The judgment result not only determines whether the product itself is qualified, but also affects the subsequent reprocessing of the product. Therefore, dimensional measurement of the products produced is an indispensable task for enterprises. At the same time, online detection of product dimensions during the production process is also of great significance for feedback guidance of production links and improving product quality.

[0004] In the existing product inspection methods, the measurement of product dimensions is mostly done manually. Currently, most of the product dimension measurements rely on workers to use measuring tools to inspect the dimensions of multiple parts of the product and judge whether the product is qualified according to the enterprise standards. This is not only time-consuming and labor-intensive, costly, and inefficient, but also easy to forget to measure some dimensions during the product measurement process, resulting in missed inspections. Summary of the invention

[0005] The embodiment of the present application provides a product inspection device, which can solve the problem that the existing product size measurement method is time-consuming, labor-intensive, costly, inefficient, and prone to missed inspections. To achieve this purpose, the embodiment of the present application provides the following solutions.

[0006] According to one aspect of an embodiment of the present application, there is provided a product inspection device, comprising a loading module, a dragging module, and a measuring module provided with at least one measuring part, wherein the measuring part is arranged along a motion track of the dragging module, and the loading module is arranged at a side of the dragging module provided with a dragging end, and is used to move a product to be inspected to the dragging end;

[0007] The dragging module is used to drive the product to be inspected to move along the motion trajectory, and the motion trajectory includes a measurement point corresponding to each of the measuring parts;

[0008] The measuring module is used to drive the measuring part to contact the product to be detected located at a corresponding measuring point to measure the product to be detected.

[0009] In a possible implementation, the loading module includes a first pallet and a lifting frame, the first pallet is placed on the top of the lifting frame, and the product to be inspected is placed on a side of the first pallet away from the lifting frame.

[0010] In a possible implementation, the dragging module includes a linear module and a pallet hook. A groove corresponding to the pallet hook is provided on the side of the first pallet away from the lifting frame. The pallet hook is arranged at the dragging end of the linear module. The lifting frame drives the first pallet to rise so that part of the pallet hook is inserted into the groove.

[0011] In a possible implementation, the lifting frame includes beams arranged side by side, one end of the beams is opposite to the dragging end of the dragging module, and rollers are provided at the position of the first support plate opposite to the beams, and the first support plate is placed on the beams through the rollers.

[0012] In a possible implementation, the drag module includes a lifting rail, a belt, and a drive motor, the linear module is arranged on one side of the lifting rail, the belt is arranged along the lifting rail, and is connected to the pallet hook;

[0013] The driving motor is provided with a pulley, the belt is sleeved on the pulley, and the driving motor drives the belt to move via the pulley.

[0014] In a possible implementation, the measuring portion includes a first measuring portion provided with a bottom plate and a positioning member, the bottom plate is lower than the drag module, the positioning member is fixed to a side of the bottom plate close to the drag module, and the first supporting plate is provided with a positioning through hole corresponding to the positioning member;

[0015] The dragging module also includes a lifting cylinder, which is connected to the lifting guide rail and is used to drive the first support plate to descend when the dragging module drives the first support plate to move to a measuring point corresponding to the first measuring part so that the positioning piece passes through the positioning through hole and is inserted into the product to be inspected.

[0016] In a possible implementation, the first measuring part further includes a product identifier, which is disposed on the same side of the bottom plate as the positioning member and is used to scan the product to be detected to obtain product identification information of the product to be detected, and the product identifier includes a barcode scanner.

[0017] In a possible implementation, a first measuring rod is further provided on the bottom plate, and the first measuring rod and the positioning member are arranged on the same side of the bottom plate;

[0018] The measuring part further comprises a second measuring part provided with a cover plate, a second cylinder and a second measuring rod, wherein the cover plate is opposite to the bottom plate, and the second measuring rod is arranged on a side of the cover plate facing the bottom plate;

[0019] The first measuring rod and the second measuring rod are used to be inserted into corresponding measuring positions on the product to be inspected to perform product measurement.

[0020] In a possible implementation, the second measuring part also includes a sensor, a push plate, and a compression spring. The compression spring is fixed to the side of the push plate close to the cover plate and connected to the second measuring rod. The second cylinder is fixed to the side of the push plate away from the compression spring. The sensor is connected to the compression spring to detect the force applied to the compression spring.

[0021] In a possible implementation, the measuring module includes a measuring bracket, and the measuring part and the dragging module are fixed in the measuring bracket;

[0022] The product detection device includes a control module provided with a control module, the control module is fixed to a side of the measuring bracket close to the feeding module, and the control module is located above the feeding module, and the control module displays the detection result through the display screen.

[0023] The beneficial effects of the technical solution provided by the embodiment of the present application are:

[0024] In the product inspection device provided by the present application, the measuring part of the measuring module is arranged along the motion trajectory of the dragging module, and the loading module is arranged on the side of the dragging module where the dragging end is provided, and is used to move the product to be inspected to the dragging end; the dragging module is used to drive the product to be inspected to move along the motion trajectory, and the motion trajectory includes measurement points corresponding to each measuring part; the measuring module is used to drive the measuring part to contact the product to be inspected located at the corresponding measurement point. The embodiment of the present application can realize automatic measurement of the product, effectively reduce the labor cost of product measurement, have fast measurement speed and high efficiency, and is not prone to missed detection, thereby improving the accuracy of product inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in describing the embodiments of the present application.

[0026] Figure 1 A structural diagram of a product detection device provided in an embodiment of the present application;

[0027] Figure 2 for Figure 1 Structural diagram of the middle part structure;

[0028] Figure 3A front view of a product detection device provided in an embodiment of the present application;

[0029] Figure 4 A side view of a product inspection device provided in an embodiment of the present application.

[0031] 1. Product to be tested; 21. First support plate; 22. Crossbeam; 23. Support rod; 24. Second support plate; 3. Measuring bracket; 4. Grating; 5. Control module; 51. Display screen; 52. Operation keyboard; 61. Second cylinder; 62. Push plate; 63. Cover plate; 64. Second measuring rod; 7. Drag module; 71. Drive motor; 72. Lifting track; 8. Indicator module. DETAILED DESCRIPTION

[0032] The embodiments of the present application are described below in conjunction with the drawings in the present application. It should be understood that the implementation methods described below in conjunction with the drawings are exemplary descriptions for explaining the technical solutions of the embodiments of the present application and do not constitute a limitation on the technical solutions of the embodiments of the present application.

[0033] It will be understood by those skilled in the art that, unless specifically stated, the singular forms "one", "said", and "the" used herein may also include plural forms. It should be further understood that the terms "including" and "comprising" used in the embodiments of the present application refer to that the corresponding features can be implemented as the presented features, information, data, steps, operations, elements and / or components, but do not exclude the implementation of other features, information, data, steps, operations, elements, components and / or combinations thereof supported by the present technical field. It should be understood that when we say that an element is "connected" or "coupled" to another element, the one element may be directly connected or coupled to the other element, or it may refer to that the one element and the other element establish a connection relationship through an intermediate element. In addition, the "connection" or "coupling" used herein may include wireless connection or wireless coupling. The term "and / or" used herein indicates at least one of the items defined by the term, for example, "A and / or B" indicates that it is implemented as "A", or is implemented as "A", or is implemented as "A and B".

[0034] In order to make the objectives, technical solutions and advantages of the present application clearer, the implementation methods of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0035] The following describes several exemplary embodiments to illustrate the technical solutions of the embodiments of the present application and the technical effects produced by the technical solutions of the present application. It should be noted that the following embodiments can refer to, draw on or combine with each other, and the same terms, similar features and similar implementation steps in different embodiments will not be described repeatedly.

[0036] The product detection device provided in the present application is intended to solve at least one technical problem existing in the prior art.

[0037] Optionally, the product to be inspected may be a battery housing, a gearbox housing, an engine, a chassis, and other products that can be used for dimensional measurement.

[0038] In the embodiment of the present application, a product detection device is provided, such as Figure 1-Figure 4 As shown, the product inspection device includes: a loading module, a dragging module 7 and a measuring module provided with at least one measuring part, the measuring part is arranged along the motion trajectory of the dragging module 7, the loading module is arranged on the side of the dragging module 7 where the dragging end is provided, and is used to move the product 1 to be inspected to the dragging end; the dragging module 7 is used to drive the product 1 to be inspected to move along the motion trajectory, and the motion trajectory includes a measuring point corresponding to each measuring part; the measuring module is used to drive the measuring part to contact the product 1 to be inspected located at the corresponding measuring point to measure the product 1 to be inspected.

[0039] Optionally, there may be multiple measuring parts, and different positions of the product may be inspected by different measuring parts to measure whether the shells corresponding to the different positions of the product are qualified.

[0040] In one embodiment, the product inspection device can be used for gearbox housing inspection. To detect whether the gearbox housing is qualified, there are two measuring parts, and the two measuring parts are arranged side by side. The measuring parts are used to measure the dimensions of different parts of the gearbox housing.

[0041] Optionally, the loading module includes a first pallet 21 and a lifting frame, the first pallet 21 is placed on the top of the lifting frame, the product 1 to be inspected is placed on the side of the first pallet 21 away from the lifting frame, and the first pallet 21 is driven to rise and fall by the lifting frame.

[0042] Optionally, to prevent the product from moving on the first support plate 21, a plurality of limiters may be provided on the first support plate 21, and the shape and position of the limiters may be set according to the shape of the product. The battery is limited to a fixed position on the first support plate 21 by the limiters.

[0043] In one embodiment, the number of the limiting members is three. When the product 1 to be inspected is placed on the first support plate 21, the limiting members are arranged on the outside of the product. The product 1 to be inspected may be a gearbox housing.

[0044] Optionally, a control switch button may be provided on the first support plate 21, and the product detection device may be controlled by the control switch button to start the product detection operation. Specifically, after the product is placed on the first support plate 21, if the operation of pressing the control switch button is detected, the first support plate 21 is driven up by the lifting frame to detect the placed product.

[0045] Optionally, the motion trajectory is a straight line, and the dragging module 7 includes a linear module and a pallet hook. The first pallet 21 is provided with a groove corresponding to the pallet hook on the side away from the lifting frame. The pallet hook is arranged at the dragging end of the linear module. The lifting frame drives the first pallet 21 to rise so that part of the pallet hook is inserted into the groove, so that the linear module can drive the first pallet 21 to move through the pallet hook, and then drive the battery to be tested on the first pallet 21 to move.

[0046] Optionally, the lifting frame includes a crossbeam 22 arranged side by side, one end of the crossbeam 22 is opposite to the dragging end of the dragging module 7, and a roller is provided at a position where the first pallet 21 is opposite to the crossbeam 22, and the first pallet 21 is placed on the crossbeam 22 through the roller. Moreover, when the linear module drives the first pallet 21 to move through the pallet hook, the first pallet 21 moves on the crossbeam 22 by means of the roller. When the lifting frame is raised or lowered, the first pallet 21 placed on the crossbeam 22 moves along the lifting direction of the lifting frame.

[0047] In one embodiment, the lifting frame further includes a support rod 23, a second support plate 24, a driving cylinder and a bracket. The second support plate 24 is arranged below the first support plate 21. The driving cylinder can be arranged on the side of the second support plate 24 away from the first support plate 21. The two ends of the crossbeam 22 are fixed on the top of different support rods 23. The bracket runs through the second support plate 24 and is located in the middle of the second support plate 24. The top of the bracket is located between the second support plate 24 and the first support plate 21. Among them, the driving cylinder can be connected to the second support plate 24, and the support rod 23 is fixed on the second support plate 24. The first support plate 21 and the product 1 to be detected are driven to move by the driving cylinder to drive the second support plate 24 to move. The driving cylinder can also be connected to the support rod 23, and the first support plate 21 and the product 1 to be detected are lifted and lowered by driving the support rod 23 to lift and lower.

[0048] Optionally, the dragging module 7 includes a lifting guide rail, a belt and a driving motor 71. The linear module is arranged on one side of the lifting guide rail. The belt is arranged along the lifting guide rail and is connected to the pallet hook. The driving motor 71 is provided with a pulley, and the belt is sleeved on the pulley. The driving motor 71 drives the belt to move through the pulley.

[0049] Optionally, the highest height of the lifting guide rail is consistent with the highest height of the cross beam 22, and the number of the lifting guide rails can be the same as the cross beam 22, that is, two. One end of each lifting guide rail is opposite to a cross beam 22.

[0050] In one embodiment, the drive motor 71 is fixed on a column, which is arranged on the side of the lifting rail and located at one end of the lifting rail close to the crossbeam 22. The drive motor 71 may also be provided with an encoder, through which the position of the first support plate 21 is obtained, so as to detect whether the first support plate 21 reaches a predetermined measurement point.

[0051] Optionally, the measuring part includes a first measuring part having a base plate and a positioning piece, the height of the base plate is lower than the height of the drag module 7, the positioning piece is fixed to the side of the base plate close to the drag module 7, and a positioning through hole corresponding to the positioning piece is provided on the first support plate 21; the drag module 7 also includes a lifting cylinder, which is connected to the lifting guide rail and is used to drive the first support plate 21 to descend when the drag module 7 drives the first support plate 21 to move to a measuring point corresponding to the first measuring part so that the positioning piece passes through the positioning through hole and is inserted into the product 1 to be inspected.

[0052] Optionally, the positioning member may be a positioning pin, and there may be multiple positioning pins, and the shapes of the multiple positioning pins may be partially different or all different. The multiple positioning pins form a positioning surface, and the height of the first support plate 21 after it is lowered is lower than the height of the positioning surface. At this time, the product coincides with the positioning surface, and the positioning surface is used to detect whether the product has been positioned. If it is determined that the positioning is completed, the product is measured, and if the positioning is not completed, no measurement is performed. Among them, a positioning hole can be set on the product, and whether the positioning is completed is detected by detecting whether the positioning member is inserted into the corresponding positioning hole and the depth of the positioning member inserted into the positioning hole. If it is determined that the positioning member is inserted into the corresponding positioning hole or the depth of the positioning member inserted into the positioning hole meets the preset requirements, it is determined that the positioning is completed.

[0053] In one embodiment, positioning is performed through the bottom surface of the product, and the positioning member includes two positioning pins, wherein the positioning pin in the middle of the bottom plate is the main positioning pin, which is inserted into the main positioning hole on the bottom surface of the product, and the positioning pin on the side of the main positioning pin is the auxiliary positioning pin, which is inserted into the auxiliary positioning hole on the bottom surface of the product. In order to achieve the positioning of the first support plate 21, the positioning member also includes a positioning column, which can be arranged on the periphery of the main positioning pin and the auxiliary positioning pin, and after the first support plate 21 is lowered, it is inserted into the positioning hole on the first support plate 21 and extends to the outside of the product.

[0054] Optionally, the lifting cylinder can be arranged on the side of the bottom plate away from the lifting rail, and the lifting rail can include a lifting column and a track, and the first support plate 21 moved onto the lifting rail 72 moves along the track. The top of the lifting column is connected to the track to support the track, and the bottom is connected to the lifting cylinder, and the lifting column and the track are driven to rise and fall by the lifting cylinder.

[0055] Optionally, in order to identify the object currently being detected, the first measuring part further includes a product identifier, which is arranged on the same side of the bottom plate as the positioning member and is used to scan the product 1 to be detected to obtain product identification information of the product 1 to be detected, and the product identifier includes a barcode scanner. A QR code or barcode containing product identification information is provided on the side of the product.

[0056] Optionally, a product identifier may also be provided on the second support plate 24, and the type of the product identifier may be the same as the type of the product identifier on the bottom plate. After the product is placed on the first support plate 21, the product identifier on the first support plate 21 is used to identify whether the product is a product to be tested or whether the product is consistent with the product 1 to be tested. If so, the product is tested.

[0057] Optionally, a first measuring rod is also provided on the bottom plate, and the first measuring rod and the positioning member are arranged on the same side of the bottom plate; the measuring part also includes a second measuring part provided with a cover plate 63, a second cylinder 61, and a second measuring rod 64, the cover plate 63 is opposite to the bottom plate, and the second measuring rod 64 is arranged on the side of the cover plate 63 facing the bottom plate; the first measuring rod and the second measuring rod 64 are used to be inserted into corresponding measuring positions on the product 1 to be inspected for product measurement.

[0058] In one embodiment, the number of the first measuring rod and the second measuring rod 64 can be multiple, and the lengths and diameters of the multiple measuring rods can be the same or different. The second measuring rod 64 and the first measuring rod are inserted into the measured hole on the product to achieve the measurement of the product. If it is detected that the first measuring rod and the second measuring rod 64 can be smoothly inserted into the corresponding measured hole on the product, it is determined that the product is qualified in the measurement corresponding to the measurement part. If it cannot be smoothly inserted into the measured hole, it is determined to be unqualified.

[0059] Optionally, the measured holes on the product can be set on the bottom and top surfaces of the product. The measured holes or grooves or channels for measurement can also be set on the side of the product to detect whether the first measuring rod or the second measuring rod can reach the corresponding position of the measured hole, groove or channel. If so, it is determined to be qualified.

[0060] Optionally, to prevent the second measuring rod 64 from moving beyond a preset distance, the height of the positioning column on the bottom plate may correspond to the preset distance. After the second measuring rod 64 moves beyond the preset distance, the top of the positioning column contacts the cover plate 63 to prevent the cover plate 63 from continuing to descend.

[0061] In one embodiment, there are four positioning posts installed at four corners of the base plate, and the lengths of the positioning posts are the same.

[0062] Optionally, the second measuring part further includes a sensor, a push plate 62, and a compression spring. The compression spring is fixed to the side of the push plate 62 close to the cover plate 63 and connected to the second measuring rod 64. The second cylinder 61 is fixed to the side of the push plate 62 away from the compression spring. The sensor is connected to the compression spring to detect the force applied to the compression spring. The second cylinder 61 pushes the compression spring through the push plate 62, and the compression spring transmits force to the second measuring rod 64, thereby pushing the second measuring rod 64 to move. When the sensor detects that the force applied to the compression spring exceeds a preset value, it is determined that the measured hole corresponding to the second measuring rod 64 is unqualified.

[0063] Optionally, the second measuring part may further include an interference shaft and an inductive switch, and different inductive switches may correspond to different measured holes and interference shafts, and the interference shaft may be connected to a compression spring or a sensor associated with the measured hole corresponding to the inductive switch. When the force applied to the compression spring exceeds a preset value, the compression spring or the sensor triggers the inductive switch to operate through the interference shaft, and the inductive switch generates a signal indicating that the measured hole corresponding to the inductive switch is unqualified.

[0064] Optionally, the measuring module includes a measuring bracket 3, and the measuring part and the dragging module 7 are fixed in the measuring bracket 3; the product detection device includes a control module 5 provided with a display screen 51, the control module 5 is fixed to the side of the measuring bracket 3 close to the feeding module, and the control module 5 is located above the feeding module, and the control module 5 displays the detection result through the display screen 51. Among them, the control module 5 can be a computer.

[0065] Optionally, the control module 5 can display a measurement interface and a calibration interface related to product measurement through the display screen 51, and display relevant measurement data according to the measurement results. The measurement data can be displayed through statistical graphs such as histograms, XR graphs, CP graphs, and Cpk graphs.

[0066] Optionally, the control module 5 may further include an operation keyboard 52, which is fixed below the control module 5. The control module 5 receives instructions input by the operation object through the operation keyboard 52 and controls the operation of the detection device according to the instructions, such as starting or stopping the detection operation, adjusting the measurement parameters, and other operations.

[0067] Optionally, in order to protect the safety of the object of the product inspection device, the inspection device may further include a grating 4, which is arranged on the side of the feeding module of the measuring bracket 3, and the detection range of the grating 4 covers the feeding module. When the inspection device starts to inspect, the grating 4 may be turned on to prevent the object from entering the inspection range, and the inspection may be stopped after the object is detected to enter the inspection range.

[0068] Optionally, the control module 5 can also be connected to a database, and the database is used to store the measurement data of the product, thereby improving the storage capacity of the measurement data and realizing rapid query of the measurement data, and facilitating data extraction and tracing after the measurement is completed, thereby improving detection efficiency, saving labor costs, reducing the work intensity of the operating object, and providing assistance to improve the production quality of the product.

[0069] Optionally, the detection device may further include an indication module 8, which may include an indicator light and a buzzer. The indicator light may display multiple colors to indicate the measurement result of the product and the working state of the detection device through different colors. When the positioning is unsuccessful or the product is unqualified, the buzzer may emit a buzzer to give an alarm.

[0070] In the product inspection device provided by the present application, the measuring part of the measuring module is arranged along the motion trajectory of the dragging module, and the loading module is arranged on the side of the dragging module where the dragging end is provided, and is used to move the product to be inspected to the dragging end; the dragging module is used to drive the product to be inspected to move along the motion trajectory, and the motion trajectory includes measurement points corresponding to each measuring part; the measuring module is used to drive the measuring part to contact the product to be inspected located at the corresponding measurement point. The embodiment of the present application can realize automatic measurement of the product, effectively reduce the labor cost of product measurement, have fast measurement speed and high efficiency, and is not prone to missed detection, thereby improving the accuracy of product inspection.

[0071] The terms "first", "second", "third", "fourth", "1", "2", etc. (if any) in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than that shown or described in the drawings.

[0072] It should be understood that, although each operation step is indicated by arrows in the flowchart of the embodiment of the present application, the implementation order of these steps is not limited to the order indicated by the arrows. Unless clearly stated herein, in some implementation scenarios of the embodiment of the present application, the implementation steps in each flowchart can be performed in other orders according to demand. In addition, some or all of the steps in each flowchart may include multiple sub-steps or multiple stages based on actual implementation scenarios. Some or all of these sub-steps or stages may be executed at the same time, and each sub-step or stage in these sub-steps or stages may also be executed at different times respectively. In different scenarios of execution time, the execution order of these sub-steps or stages may be flexibly configured according to demand, and the embodiment of the present application does not limit this.

[0073] The above is only an optional implementation method for some implementation scenarios of the present application. It should be pointed out that for ordinary technicians in this technical field, without departing from the technical concept of the solution of the present application, other similar implementation methods based on the technical ideas of the present application are also within the protection scope of the embodiments of the present application.

Claims

1. A product detection device, characterized in that: It includes a feeding module, a dragging module and a measuring module provided with at least one measuring part, wherein the measuring part is arranged along the motion track of the dragging module, and the feeding module is arranged on a side of the dragging module provided with a dragging end, and is used to move the product to be detected to the dragging end; The dragging module is used to drive the product to be inspected to move along the motion trajectory, and the motion trajectory includes a measurement point corresponding to each of the measuring parts; The measuring module is used to drive the measuring part to contact the product to be detected located at a corresponding measuring point to measure the product to be detected.

2. The product detection device according to claim 1, characterized in that: The loading module comprises a first support plate and a lifting frame, wherein the first support plate is placed on the top of the lifting frame, and the product to be inspected is placed on a side of the first support plate away from the lifting frame.

3. The product detection device according to claim 2, characterized in that: The dragging module includes a linear module and a pallet hook. A groove corresponding to the pallet hook is provided on the side of the first pallet away from the lifting frame. The pallet hook is arranged at the dragging end of the linear module. The lifting frame drives the first pallet to rise so that part of the pallet hook is inserted into the groove.

4. The product detection device according to claim 3, characterized in that: The lifting frame includes a crossbeam arranged side by side, one end of the crossbeam is opposite to the dragging end of the dragging module, and a roller is provided at a position where the first support plate is opposite to the crossbeam, and the first support plate is placed on the crossbeam through the roller.

5. The product detection device according to claim 3, characterized in that: The drag module includes a lifting rail, a belt and a driving motor, the linear module is arranged on one side of the lifting rail, the belt is arranged along the lifting rail and connected to the pallet hook; The driving motor is provided with a pulley, the belt is sleeved on the pulley, and the driving motor drives the belt to move via the pulley.

6. The product detection device according to claim 5, characterized in that: The measuring part comprises a first measuring part provided with a bottom plate and a positioning member, wherein the height of the bottom plate is lower than the height of the drag module, the positioning member is fixed to a side of the bottom plate close to the drag module, and a positioning through hole corresponding to the positioning member is provided on the first supporting plate; The dragging module also includes a lifting cylinder, which is connected to the lifting guide rail and is used to drive the first support plate to descend when the dragging module drives the first support plate to move to a measuring point corresponding to the first measuring part so that the positioning piece passes through the positioning through hole and is inserted into the product to be inspected.

7. The product detection device according to claim 6, characterized in that: The first measuring part also includes a product identifier, which is arranged on the same side of the bottom plate as the positioning member and is used to scan the product to be detected to obtain product identification information of the product to be detected. The product identifier includes a barcode scanner.

8. The product detection device according to claim 6, characterized in that: The bottom plate is also provided with a first measuring rod, and the first measuring rod and the positioning member are arranged on the same side of the bottom plate; The measuring part further comprises a second measuring part provided with a cover plate, a second cylinder and a second measuring rod, wherein the cover plate is opposite to the bottom plate, and the second measuring rod is arranged on a side of the cover plate facing the bottom plate; The first measuring rod and the second measuring rod are used to be inserted into corresponding measuring positions on the product to be inspected to perform product measurement.

9. The product detection device according to claim 8, characterized in that: The second measuring part also includes a sensor, a push plate, and a compression spring. The compression spring is fixed to the side of the push plate close to the cover plate and connected to the second measuring rod. The second cylinder is fixed to the side of the push plate away from the compression spring. The sensor is connected to the compression spring to detect the force applied to the compression spring.

10. The product detection device according to claim 1, characterized in that: The measuring module comprises a measuring bracket, and the measuring part and the dragging module are fixed in the measuring bracket; The product detection device includes a control module provided with a display screen. The control module is fixed to a side of the measuring bracket close to the feeding module and is located above the feeding module. The control module displays the detection result through the display screen.

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