Detection device

Abstract

The utility model provides a detection device to improve the detection application range, and the detection device comprises a rack which is provided with a feeding position and a discharging position; the feeding mechanism is arranged on the rack and is used for providing a charging tray to a feeding position; the feeding variable-pitch mechanism comprises a feeding variable-pitch driving part and two feeding positioning assemblies, the two feeding positioning assemblies are arranged on the rack and located on the two opposite sides of the feeding position, and the feeding variable-pitch driving part is arranged on the rack, connected with one feeding positioning assembly and used for driving the feeding positioning assembly to move relative to the other feeding positioning assembly; the discharging pitch-variable mechanism comprises a discharging pitch-variable driving part and two discharging positioning assemblies, the two discharging positioning assemblies are arranged on the rack and located on the two opposite sides of the discharging position, and the discharging pitch-variable driving part is arranged on the rack, connected with one discharging positioning assembly and used for driving the discharging positioning assembly to move relative to the other discharging positioning assembly; the detection mechanism comprises a supporting piece, a plurality of test pieces and a detection variable-pitch driving piece; and the material conveying mechanism is arranged on the rack.

Description

Technical Field

[0001] This application relates to the field of material supply testing technology, specifically to a testing device. Background Technology

[0002] In the production and manufacturing process, materials need to be inspected to ensure that only qualified materials flow into the next process. Currently, materials are mostly loaded into trays and transported in a stacked manner. Inspection devices typically use dedicated loading and unloading mechanisms to transport multiple trays, and dedicated inspection mechanisms to inspect the materials within each tray. However, the dimensions of the trays transported by the dedicated loading and unloading mechanisms are relatively fixed, and the spacing between the materials inspected by the dedicated inspection mechanisms is also relatively fixed. This results in a relatively fixed measurement range for the inspection devices, limiting their applicability. Utility Model Content

[0003] In view of the above, it is necessary to provide a detection device to improve the applicability of the detection.

[0004] This application provides a detection device, including:

[0005] The frame is equipped with a loading position and a unloading position;

[0006] A feeding mechanism, located on the frame, is used to provide multiple stacked trays to the upper feeding position, each tray being used to load multiple materials;

[0007] The feeding pitch variable mechanism includes a feeding pitch variable drive and two sets of feeding positioning components. The two sets of feeding positioning components are both disposed on the frame and located on opposite sides of the feeding position, and are used to clamp the material tray. The feeding pitch variable drive is disposed on the frame and connected to one set of feeding positioning components, and is used to drive the feeding positioning component to move relative to the other set of feeding positioning components.

[0008] The feeding pitch change mechanism includes a feeding pitch change drive and two sets of feeding positioning components. The two sets of feeding positioning components are both disposed on the frame and located on opposite sides of the feeding position for clamping the material tray. The feeding pitch change drive is disposed on the frame and connected to one set of feeding positioning components for driving the feeding positioning component to move relative to the other set of feeding positioning components.

[0009] The testing mechanism includes a support member, multiple test pieces, and a detection pitch drive. The support member is mounted on the frame and adjacent to the loading position. The multiple test pieces are slidably connected to the support member for simultaneously detecting whether multiple materials are qualified. The detection pitch drive is mounted on the support member for driving the multiple test pieces to move relative to each other.

[0010] A material conveying mechanism, located on the frame, is used to convey a material tray located at the upper material position to the lower material position.

[0011] In some embodiments, the rack includes:

[0012] The base, wherein the feeding mechanism is disposed on the base;

[0013] A support bracket is provided on the base;

[0014] A detection seat is disposed on the bracket and forms a transmission space between it and the base. The detection seat has a loading hole and a unloading hole at the loading position and the unloading position, respectively, and the loading hole and the unloading hole are respectively connected to the transmission space.

[0015] In some embodiments, both the loading positioning component and the unloading positioning component include:

[0016] Mounting base;

[0017] A lifting drive component is disposed on the frame and connected to the mounting base, and is used to drive the mounting base to lift.

[0018] A positioning drive and a clamping component are provided, wherein the positioning drive is disposed on the mounting base and connected to the clamping component, and is used to drive the clamping component to clamp the material tray;

[0019] The loading variable pitch drive is disposed on one of the mounting seats of the loading positioning assembly and connected to the corresponding positioning drive, and is used to drive the positioning drive to move the clamping member closer to or away from the other clamping member of the loading positioning assembly. The unloading variable pitch drive is disposed on one of the mounting seats of the unloading positioning assembly and connected to the corresponding positioning drive, and is used to drive the positioning drive to move the clamping member closer to or away from the other clamping member of the unloading positioning assembly.

[0020] In some embodiments, the material transfer mechanism includes:

[0021] A guide rail is provided on the frame and extends from the upper material position to the lower material position;

[0022] The support component is slidably connected to the guide rail;

[0023] A transmission drive unit is disposed on the frame and connected to the carrier unit, used to drive the carrier unit to reciprocate between the loading position and the unloading position;

[0024] Specifically, when the carrier is located at the loading position, the carrier is located between the frame and the loading positioning component; when the carrier is located at the unloading position, the carrier is located between the frame and the unloading positioning component.

[0025] In some embodiments, there are two material transfer mechanisms, both of which are disposed on the frame and located on opposite sides of the loading position.

[0026] In some embodiments, the support member has multiple support grooves, and the detection pitch drive member includes:

[0027] The variable pitch drive unit is detected and connected to the support member;

[0028] A limiting body is connected to the detection pitch drive body and has multiple limiting grooves to move under the drive of the detection pitch drive body. The width of the multiple limiting grooves along the sliding direction of the test piece increases along the sliding direction of the test piece.

[0029] The plurality of supporting grooves are spaced apart along the sliding direction of the test piece, and the width of the plurality of supporting grooves along the sliding direction of the test piece is equal. The plurality of limiting grooves are spaced apart along the sliding direction of the test piece and correspond one-to-one with the plurality of supporting grooves. One end of each test piece passes through a supporting groove and extends to the corresponding limiting groove. Each test piece can move within the supporting groove and the corresponding limiting groove along the sliding direction of the test piece.

[0030] In some embodiments, the feeding mechanism includes:

[0031] The feeding and conveying assembly includes a feeding bracket, a feeding conveyor belt, and a feeding translation component. The feeding bracket is disposed on the base, and the feeding conveyor belt is drivenly connected to the feeding bracket to support multiple stacked material trays. The feeding translation component is disposed on the feeding bracket and connected to the feeding conveyor belt to drive the feeding conveyor belt to move.

[0032] The feeding lifting assembly includes a feeding bracket and a feeding lifting component. The feeding bracket is connected to the feeding conveyor belt and is correspondingly arranged with the feeding hole to support multiple stacked material trays. The feeding lifting component is located on the base and connected to the feeding bracket, and is used to drive the feeding bracket to rise to the feeding hole.

[0033] In some embodiments, the detection device further includes a feeding mechanism, the feeding mechanism comprising:

[0034] The unloading conveying assembly includes an unloading bracket, an unloading conveyor belt, and an unloading translation component. The unloading bracket is disposed on the base, and the unloading conveyor belt is drivenly connected to the unloading bracket to support multiple stacked material trays. The unloading translation component is disposed on the unloading bracket and connected to the unloading conveyor belt to drive the unloading conveyor belt to move.

[0035] The unloading lifting assembly includes a feeding bracket and an unloading lifting component. The feeding bracket is connected to the unloading conveyor belt and is correspondingly arranged with the unloading hole to support multiple stacked material trays. The unloading lifting component is located on the base and connected to the feeding bracket, and is used to drive the feeding bracket to rise to the unloading hole.

[0036] In some embodiments, the detection device further includes:

[0037] The first protective mechanism includes two first protective frames and a first protective drive. The two first protective frames are both disposed on the base and located on opposite sides of the feeding hole. The first protective drive is disposed on the detection seat and connected to one of the first protective frames, and is used to drive the first protective frame to move closer to or away from the other first protective frame, so that the two first protective frames are held on opposite sides of the stacked multiple trays.

[0038] The second protective mechanism includes two second protective frames and a second protective drive. The two second protective frames are both disposed on the base and located on opposite sides of the material discharge hole. The second protective drive is disposed on the detection seat and connected to one of the second protective frames, and is used to drive the second protective frame to move closer to or away from the other second protective frame, so that the two second protective frames are held on opposite sides of the stacked material trays.

[0039] In some embodiments, the detection device further includes:

[0040] The feeding mechanism includes a first feeding component and a second feeding component. The first feeding component is disposed on the frame and is used to transport qualified materials, and the second feeding component is disposed on the frame and is used to transport unqualified materials.

[0041] A transfer mechanism, located on the frame, is used to transfer unqualified materials from the material tray to the second feeding component, and also to transfer qualified materials from the first feeding component to the material tray.

[0042] In the aforementioned testing device, the feeding pitch-changing drive unit drives the feeding positioning component to move relative to another set of feeding positioning components to adjust the distance between the two sets of feeding positioning components. Similarly, the unloading pitch-changing drive unit drives the unloading positioning component to move relative to another set of unloading positioning components to adjust the distance between the two sets of unloading positioning components. The detection pitch-changing drive unit drives multiple test pieces to move relative to each other to adjust the distance between the multiple test pieces. The material transfer mechanism realizes the conversion between the feeding pitch-changing mechanism and the unloading pitch-changing mechanism. Therefore, the aforementioned testing device can be adaptively adjusted based on different sized trays and different sized materials, which is beneficial to improving the applicability of the testing device. Attached Figure Description

[0043] Figure 1 This is a schematic diagram of the detection device according to an embodiment of this application.

[0044] Figure 2 for Figure 1 The diagram shows a partial schematic of the detection device.

[0045] Figure 3 for Figure 2 A partial structural schematic diagram of the detection device shown.

[0046] Figure 4 for Figure 1 The diagram shows the structure of the detection mechanism in the detection device.

[0047] Figure 5 for Figure 1 The diagram shows the structure of the feeding mechanism and the unloading mechanism in the detection device.

[0048] Figure 6 for Figure 3 The diagram shows the structure of the detection device from another angle.

[0049] Key component symbols: Detection device 100, frame 110, loading position 110a, unloading position 110b, transmission space 110c, base 111, bracket 112, detection seat 113, loading hole 113a, unloading hole 113b, feeding mechanism 120, feeding conveyor assembly 121, loading bracket 1211, feeding conveyor belt 1212, feeding translation component 1213, feeding lifting assembly 122, feeding bracket 1221, feeding lifting component 1222, loading pitch changing mechanism 130, loading pitch changing drive component 131, loading positioning assembly 132, mounting base 1321, lifting drive component 1322, positioning drive component 1323, clamping component 1324, unloading pitch changing mechanism 140, unloading pitch changing drive component 141, unloading positioning assembly 142, material transfer mechanism 150, guide rail 1 51, Bearing component 152, Transmission drive component 153, Detection mechanism 160, Support component 161, Support groove 161a, Test component 162, Detection pitch drive component 163, Detection pitch drive body 1631, Limiting body 1632, Limiting groove 1632a, Unloading mechanism 180, Unloading conveyor assembly 181, Unloading bracket 1811, Unloading conveyor belt 1812, Unloading translation component 1813, Unloading lifting assembly 182, Feeding bracket 1821, Unloading lifting component 1822, First protection mechanism 191, First protection frame 1911, First protection drive component 1912, Second protection mechanism 192, Second protection frame 1921, Second protection drive component 1922, Feeding mechanism 193, First feeding assembly 1931, Second feeding assembly 1932, Transfer mechanism 194. Detailed Implementation

[0050] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0051] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the term "connection" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a connection that allows communication between the two; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal communication of two elements or the interaction between two elements. In the description of this application, it should be noted that "multiple" means two or more, unless otherwise expressly and specifically limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0052] The embodiments of this application will be described in detail below with reference to the accompanying drawings.

[0053] Please see Figure 1 and Figure 2This application provides a detection device 100, including a frame 110, a feeding mechanism 120, a loading pitch-changing mechanism 130, a unloading pitch-changing mechanism 140, a material transfer mechanism 150, and a detection mechanism 160. The frame 110 has a loading position 110a and a unloading position 110b. The feeding mechanism 120 is located on the frame 110 and is used to provide multiple stacked material trays (not shown) to the loading position 110a. The loading pitch-changing mechanism 130 includes a loading pitch-changing drive 131 and two sets of loading positioning components 132. The two sets of loading positioning components 132 are both located on the frame 110 and on opposite sides of the loading position 110a, and are used to clamp the material trays. The loading pitch-changing drive 131 is located on the frame 110 and connected to one set of loading positioning components 132, and is used to drive the loading positioning component 132 to move relative to the other set of loading positioning components 132. The feeding pitch mechanism 140 includes a feeding pitch drive 141 and two sets of feeding positioning components 142. Both sets of feeding positioning components 142 are mounted on the frame 110 and located on opposite sides of the feeding position 110b, used to clamp the material tray. The feeding pitch drive 141 is mounted on the frame 110 and connected to one set of feeding positioning components 142, used to drive the feeding positioning component 142 to move relative to the other set of feeding positioning components 142. The detection mechanism 160 includes a support 161, multiple test pieces 162, and a detection pitch drive 163. The support 162 is mounted on the frame 110 and adjacent to the loading position 110a. The multiple test pieces 162 are slidably connected to the support 161, used to simultaneously detect whether multiple materials are qualified. The detection pitch drive 163 is mounted on the support 161, used to drive the multiple test pieces 162 to move relative to each other (see also...). Figure 4 The material transfer mechanism 150 is located on the frame 110 and is used to transfer the material tray located at the loading position 110a to the unloading position 110b. For example, both the loading pitch drive 131 and the unloading pitch drive 141 can be cylinders.

[0054] In the aforementioned detection device 100, the feeding pitch-changing drive 131 drives the feeding positioning component 132 to move relative to another set of feeding positioning components 132, thereby adjusting the distance between the two sets of feeding positioning components 132. Similarly, the unloading pitch-changing drive 141 drives the unloading positioning component 142 to move relative to another set of unloading positioning components 142, also adjusting the distance between the two sets of unloading positioning components 142. The detection pitch-changing drive 163 drives multiple test pieces 162 to move relative to each other, adjusting the distance between the multiple test pieces 162. The material transfer mechanism 150 facilitates the switching of the material tray between the feeding pitch-changing mechanism 130 and the unloading pitch-changing mechanism 140. Therefore, the aforementioned detection device 100 can be adaptively adjusted based on material trays of different sizes and materials of different dimensions, which is beneficial for improving the applicability of the detection device 100.

[0055] For ease of description, a three-dimensional coordinate system has been added to some of the accompanying drawings, in which the X-axis, Y-axis, and Z-axis are perpendicular to each other. In this embodiment, the loading position 110a and the unloading position 110b are spaced apart along the X-axis, the two sets of loading positioning components 132 are spaced apart along the Y-axis, and the two sets of unloading positioning components 142 are spaced apart along the Y-axis.

[0056] Please see Figure 2 The frame 110 includes a base 111, a support 112, and a detection seat 113. The feeding mechanism 120 is located on the base 111, the support 112 is located on the base 111, and the detection seat 113 is located on the support 112, forming a transmission space 110c between the detection seat 113 and the base 111. The detection seat 113 has a feeding hole 113a and a discharging hole 113b at the feeding position 110a and the discharging position 110b, respectively, and the feeding hole 113a and the discharging hole 113b are respectively connected to the transmission space 110c.

[0057] In this embodiment, the bracket 112 is located on one side of the base 111, making the frame 110 roughly U-shaped, which facilitates the installation of the feeding mechanism 120 and the unloading mechanism 180.

[0058] Please see Figure 2 and Figure 3 Both the loading positioning assembly 132 and the unloading positioning assembly 142 include a mounting base 1321, a lifting drive 1322, a positioning drive 1323, and a clamping member 1324. The mounting base 1321 is slidably connected to the detection base 113 along the Z-axis direction. The lifting drive 1322 is located on the detection base 113 and connected to the mounting base 1321, and is used to drive the mounting base 1321 to move up and down along the Z-axis direction. The positioning drive 1323 is located on the mounting base 1321 and connected to the clamping member 1324, and is used to drive the clamping member 1324 to clamp the material tray. The loading variable-pitch drive 131 is mounted on one of the mounting seats 1321 of the loading positioning assembly 132 and connected to a corresponding positioning drive 1323. It drives the positioning drive 1323 to move the clamping member 1324 closer to or away from the other clamping member 1324 of the loading positioning assembly 132. Similarly, the unloading variable-pitch drive 141 is mounted on one of the mounting seats 1321 of the unloading positioning assembly 142 and connected to a corresponding positioning drive 1323. It drives the positioning drive 1323 to move the clamping member 1324 closer to or away from the other clamping member 1324 of the unloading positioning assembly 142. For example, both the lifting drive 1322 and the positioning drive 1323 can be cylinders.

[0059] Please see Figure 3The material transfer mechanism 150 includes a guide rail 151, a carrier member 152, and a transmission drive member 153. The guide rail 151 is disposed on the detection seat 113 and extends along the X-axis. The carrier member 152 is slidably connected to the guide rail 151. The transmission drive member 153 is disposed on the detection seat 113 and connected to the carrier member 152, and is used to drive the carrier member 152 to reciprocate between the loading position 110a and the unloading position 110b. Specifically, when the carrier member 152 is located at the loading position 110a, it is positioned between the detection seat 113 and the loading positioning assembly 132; when the carrier member 152 is located at the unloading position 110b, it is positioned between the detection seat 113 and the unloading positioning assembly 142. For example, the transmission drive member 153 can be a cylinder.

[0060] Please see Figure 3 In this embodiment, there are two material transfer mechanisms 150. Both material transfer mechanisms 150 are located on the frame 110 and on opposite sides of the loading position 110a. The stability of the material transfer tray can be improved by using two material transfer mechanisms 150.

[0061] Please see Figure 1 and Figure 4 The support member 161 has multiple support grooves 161a, which are spaced apart along the Y-axis and have equal widths along the Y-axis. Multiple test pieces 162 are slidably connected to the support member 161 along the Y-axis to simultaneously detect whether multiple materials are qualified. The detection pitch drive 163 includes a detection pitch drive body 1631 and a limiting body 1632. The detection pitch drive body 1631 is connected to the support member 161. The limiting body 1632 has multiple limiting grooves 1632a, which are spaced apart along the Y-axis and correspond one-to-one with multiple support grooves 161a in the Z-axis direction. The width of the multiple limiting grooves 1632a increases along the Y-axis direction. One end of each test piece 162 passes through a support groove 161a and extends to the corresponding limiting groove 1632a. Each test piece 162 can move along the Y-axis within the support groove 161a and the corresponding limiting groove 1632a. The limiting body 1632 is connected to the detection pitch drive body 1631 so that the multiple test pieces 162 can move along the Y-axis direction under the drive of the detection pitch drive body 1631. For example, the detection pitch drive body 1631 can be a cylinder.

[0062] Please see Figure 5The feeding mechanism 120 includes a feeding conveying assembly 121 and a feeding lifting assembly 122. The feeding conveying assembly 121 includes a feeding support 1211, a feeding conveyor belt 1212, and a feeding translation component 1213. The feeding support 1211 is mounted on the base 111. The feeding conveyor belt 1212 is drivenly connected to the feeding support 1211 and is used to support multiple stacked material trays. The feeding translation component 1213 is mounted on the feeding support 1211 and connected to the feeding conveyor belt 1212 and is used to drive the feeding conveyor belt 1212 to move along the Y-axis. The feeding lifting assembly 122 includes a feeding bracket 1221 and a feeding lifting component 1222. The feeding bracket 1221 is connected to the feeding conveyor belt 1212 and is correspondingly arranged with the loading hole 113a to support multiple stacked material trays. The feeding lifting component 1222 is located on the base 111 and connected to the feeding bracket 1221, and is used to drive the feeding bracket 1221 to rise along the Z-axis direction to the loading hole 113a. For example, the feeding translation component 1213 can be a servo motor, and the feeding lifting component 1222 can be a cylinder.

[0063] Please see Figure 5 In some embodiments, the detection device 100 further includes a feeding mechanism 180, which includes a feeding conveying assembly 181 and a feeding lifting assembly 182. The feeding conveying assembly 181 includes a feeding support 1811, a feeding conveyor belt 1812, and a feeding translation component 1813. The feeding support 1811 is disposed on the base 111, and the feeding conveyor belt 1812 is drivenly connected to the feeding support 1811 to support multiple stacked trays. The feeding translation component 1813 is disposed on the feeding support 1811 and connected to the feeding conveyor belt 1812 to drive the feeding conveyor belt 1812 to move. The unloading lifting assembly 182 includes a feeding bracket 1821 and an unloading lifting component 1822. The feeding bracket 1821 is connected to the unloading conveyor belt 1812 and is correspondingly arranged with the unloading hole 113b to support multiple stacked material trays. The unloading lifting component 1822 is located on the base 111 and connected to the feeding bracket 1821, and is used to drive the feeding bracket 1821 to rise along the Z-axis direction to the unloading hole 113b. For example, the unloading translation component 1813 can be a servo motor, and the unloading lifting component 1822 can be a cylinder.

[0064] Please see Figure 2 and Figure 6The detection device 100 further includes a first protective mechanism 191 and a second protective mechanism 192. The first protective mechanism 191 includes two first protective frames 1911 and a first protective drive member 1912. Both first protective frames 1911 are disposed on the base 111 and located on opposite sides of the feeding hole 113a. The first protective drive member 1912 is disposed on the detection seat 113 and connected to one of the first protective frames 1911, and is used to drive the first protective frame 1911 closer to or away from the other first protective frame 1911, so that the two first protective frames 1911 are held in place on opposite sides of the stacked material trays. For example, the first protective drive member 1912 can be a cylinder.

[0065] The second protective mechanism 192 includes two second protective frames 1921 and a second protective drive member 1922. The two second protective frames 1921 are both disposed on the base 111 and located on opposite sides of the discharge hole 113b. The second protective drive member 1922 is disposed on the detection seat 113 and connected to one of the second protective frames 1921, and is used to drive the second protective frame 1921 closer to or further away from the other second protective frame 1921, so that the two second protective frames 1921 are held in place on opposite sides of the stacked material trays. Exemplarily, the second protective drive member 1922 can be a cylinder.

[0066] Please see Figure 1 The detection device 100 also includes a feeding mechanism 193 and a transfer mechanism 194. The feeding mechanism 193 includes a first feeding component 1931 and a second feeding component 1932. The first feeding component 1931 is disposed on the detection seat 113 and is used to transfer qualified materials. The second feeding component 1932 is disposed on the detection seat 113 and is used to transfer unqualified materials. The transfer mechanism 194 is disposed on the detection seat 113 and is used to transfer unqualified materials in the tray to the second feeding component 1932, and also to transfer qualified materials in the first feeding component 1931 to the tray.

[0067] It will be apparent to those skilled in the art that this application is not limited to the details of the exemplary embodiments described above, and that this application can be implemented in other specific forms without departing from the spirit or essential characteristics of this application. Therefore, the embodiments should be regarded as exemplary and non-limiting in all respects, and the scope of this application is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be embraced within this application.

[0068] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application and are not intended to limit it. Although this application has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this application without departing from the spirit and scope of the technical solutions of this application.

Claims

1. A detection device, characterized in that, include: The frame is equipped with a loading position and a unloading position; A feeding mechanism, located on the frame, is used to provide multiple stacked trays to the upper feeding position, each tray being used to load multiple materials; The feeding pitch variable mechanism includes a feeding pitch variable drive and two sets of feeding positioning components. The two sets of feeding positioning components are both disposed on the frame and located on opposite sides of the feeding position, and are used to clamp the material tray. The feeding pitch variable drive is disposed on the frame and connected to one set of feeding positioning components, and is used to drive the feeding positioning component to move relative to the other set of feeding positioning components. The feeding pitch change mechanism includes a feeding pitch change drive and two sets of feeding positioning components. The two sets of feeding positioning components are both disposed on the frame and located on opposite sides of the feeding position for clamping the material tray. The feeding pitch change drive is disposed on the frame and connected to one set of feeding positioning components for driving the feeding positioning component to move relative to the other set of feeding positioning components. The testing mechanism includes a support, multiple test pieces, and a detection pitch drive. The support is disposed on the frame and adjacent to the loading position. The multiple test pieces are slidably connected to the support for synchronously detecting whether multiple materials are qualified. The detection pitch drive is disposed on the support for driving the multiple test pieces to move relative to each other. and A material conveying mechanism, located on the frame, is used to convey a material tray located at the upper material position to the lower material position.

2. The detection device as described in claim 1, characterized in that, The rack includes: The base, wherein the feeding mechanism is disposed on the base; A support bracket is provided on the base; A detection seat is disposed on the bracket and forms a transmission space between it and the base. The detection seat has a loading hole and a unloading hole at the loading position and the unloading position, respectively, and the loading hole and the unloading hole are respectively connected to the transmission space.

3. The detection device of claim 1, wherein, Both the loading positioning component and the unloading positioning component include: Mounting base; A lifting drive component is disposed on the frame and connected to the mounting base, and is used to drive the mounting base to lift. A positioning drive and a clamping component are provided, wherein the positioning drive is disposed on the mounting base and connected to the clamping component, and is used to drive the clamping component to clamp the material tray; The loading variable pitch drive is disposed on one of the mounting seats of the loading positioning assembly and connected to the corresponding positioning drive, and is used to drive the positioning drive to move the clamping member closer to or away from the other clamping member of the loading positioning assembly. The unloading variable pitch drive is disposed on one of the mounting seats of the unloading positioning assembly and connected to the corresponding positioning drive, and is used to drive the positioning drive to move the clamping member closer to or away from the other clamping member of the unloading positioning assembly.

4. The detection device of claim 3, wherein, The material transfer mechanism includes: A guide rail is provided on the frame and extends from the upper material position to the lower material position; The support component is slidably connected to the guide rail; A transmission drive unit is disposed on the frame and connected to the carrier unit, used to drive the carrier unit to reciprocate between the loading position and the unloading position; Specifically, when the carrier is located at the loading position, the carrier is located between the frame and the loading positioning component; when the carrier is located at the unloading position, the carrier is located between the frame and the unloading positioning component.

5. The detection device of claim 1, wherein, There are two material transfer mechanisms, both of which are located on the frame and on opposite sides of the loading position.

6. The detection device of claim 1, wherein, The support member has multiple support grooves, and the detection pitch drive member includes: The variable pitch drive unit is detected and connected to the support member; A limiting body is connected to the detection pitch drive body and has multiple limiting grooves to move under the drive of the detection pitch drive body. The width of the multiple limiting grooves along the sliding direction of the test piece increases along the sliding direction of the test piece. The plurality of supporting grooves are spaced apart along the sliding direction of the test piece, and the width of the plurality of supporting grooves along the sliding direction of the test piece is equal. The plurality of limiting grooves are spaced apart along the sliding direction of the test piece and correspond one-to-one with the plurality of supporting grooves. One end of each test piece passes through a supporting groove and extends to the corresponding limiting groove. Each test piece can move within the supporting groove and the corresponding limiting groove along the sliding direction of the test piece.

7. The detection device as described in claim 2, characterized in that, The feeding mechanism includes: The feeding and conveying assembly includes a feeding bracket, a feeding conveyor belt, and a feeding translation component. The feeding bracket is disposed on the base, and the feeding conveyor belt is drivenly connected to the feeding bracket to support multiple stacked material trays. The feeding translation component is disposed on the feeding bracket and connected to the feeding conveyor belt to drive the feeding conveyor belt to move. The feeding lifting assembly includes a feeding bracket and a feeding lifting component. The feeding bracket is connected to the feeding conveyor belt and is correspondingly arranged with the feeding hole to support multiple stacked material trays. The feeding lifting component is located on the base and connected to the feeding bracket, and is used to drive the feeding bracket to rise to the feeding hole.

8. The detection device of claim 2, wherein, The detection device further includes a feeding mechanism, which includes: The unloading conveying assembly includes an unloading bracket, an unloading conveyor belt, and an unloading translation component. The unloading bracket is disposed on the base, and the unloading conveyor belt is drivenly connected to the unloading bracket to support multiple stacked material trays. The unloading translation component is disposed on the unloading bracket and connected to the unloading conveyor belt to drive the unloading conveyor belt to move. The unloading lifting assembly includes a feeding bracket and an unloading lifting component. The feeding bracket is connected to the unloading conveyor belt and is correspondingly arranged with the unloading hole to support multiple stacked material trays. The unloading lifting component is located on the base and connected to the feeding bracket, and is used to drive the feeding bracket to rise to the unloading hole.

9. The detection device of claim 8, wherein, The detection device further includes: The first protective mechanism includes two first protective frames and a first protective drive. The two first protective frames are both disposed on the base and located on opposite sides of the feeding hole. The first protective drive is disposed on the detection seat and connected to one of the first protective frames, and is used to drive the first protective frame to move closer to or away from the other first protective frame, so that the two first protective frames are held on opposite sides of the stacked multiple trays. The second protective mechanism includes two second protective frames and a second protective drive. The two second protective frames are both disposed on the base and located on opposite sides of the material discharge hole. The second protective drive is disposed on the detection seat and connected to one of the second protective frames, and is used to drive the second protective frame to move closer to or away from the other second protective frame, so that the two second protective frames are held on opposite sides of the stacked material trays.

10. The detection device of claim 1, wherein, The detection device further includes: The feeding mechanism includes a first feeding component and a second feeding component. The first feeding component is disposed on the frame and is used to transport qualified materials, and the second feeding component is disposed on the frame and is used to transport unqualified materials. A transfer mechanism, located on the frame, is used to transfer unqualified materials from the material tray to the second feeding component, and also to transfer qualified materials from the first feeding component to the material tray.

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