Protruding deformation detection device for label finished product

Abstract

The invention relates to the technical field of label detection, and discloses a label finished product protrusion deformation detection device which comprises a base, a first mounting plate fixed to one side of the base and a second mounting plate fixed to the other side of the base, a third mounting plate located above the base is arranged between the first mounting plate and the second mounting plate, and a conveying belt is mounted between the second mounting plate and the third mounting plate. A plurality of labels are arranged at the top of the conveying belt, a receiving assembly is arranged at one end of the conveying belt, and a detection assembly is arranged between the second mounting plate and the third mounting plate. According to the device, the labels can be continuously detected, the detection efficiency is high, the unqualified labels can be rapidly removed and recycled, the detection assembly can be flexibly adjusted, the application range is wide, and the working performance is high.

Description

Technical Field

[0001] The invention relates to the technical field of label detection, and in particular to a device for detecting convex deformation of a finished label. Background Art

[0002] A sign is a tool used to convey information. During the preparation process, the finished sign needs to be inspected to avoid bulging and deformation due to production errors.

[0003] A patent document with an existing application number of CN2019201347807 and a publication date of 20190830 discloses a device for detecting the convex deformation of a finished sign, including a detection platform and a support plate, support rods are symmetrically fixed on both sides of the detection platform, a support plate is fixed on the top of the support rod, and hydraulic cylinders are symmetrically fixed on both sides of the bottom of the support plate, the output end of the hydraulic cylinder is fixedly connected to a connecting block, and a first detection plate and a second detection plate are fixed between the two connecting blocks from top to bottom, and multiple groups of detection units are evenly arranged on the first detection plate and the second detection plate. This device for detecting the convex deformation of a finished sign has low equipment cost and obvious detection effect, so that almost all the produced signboards can be qualified before leaving the factory, avoiding the process of reprocessing unqualified signboards and reducing production costs.

[0004] Although the detection device can detect the signboards, during the application process, the staff needs to place the signboards to be detected into the device one by one. When the signboard detection is completed, the detected signboards are taken out of the device. The signboards cannot be detected continuously. This process is not only time-consuming and labor-intensive, but also has a relatively low detection efficiency. For this reason, we have proposed a finished signboard convex deformation detection device. Summary of the invention

[0005] In order to solve the technical problem of low detection efficiency of existing sign detection devices, the present invention provides a device for detecting convex deformation of finished sign products.

[0006] The present invention is implemented by the following technical scheme: a device for detecting the raised deformation of a finished sign, comprising a base, a mounting plate 1 fixed on one side of the base and a mounting plate 2 fixed on the other side of the base, a mounting plate 3 located above the base is provided between the mounting plate 1 and the mounting plate 2, a conveyor belt is installed between the mounting plate 2 and the mounting plate 3, a plurality of signboards are provided on the top of the conveyor belt, a receiving component is provided at one end of the conveyor belt, a detection component is provided between the mounting plate 2 and the mounting plate 3, the signboards to be detected can be transported by the operation of the conveyor belt, the signboards transported on the conveyor belt can be detected by the operation of the detection component, and the signboards that meet the use standards can be received by the operation of the receiving component.

[0007] As a further improvement of the above scheme, the detection component includes a push block 1 arranged above the conveyor belt, a connecting block is provided on the side of the push block 1 away from the conveyor belt, both ends of the connecting block are embedded with a screw sleeve 1, the internal thread of the screw sleeve 1 is penetrated by a screw rod 1, one end of the screw rod 1 is rotatably connected to the push block 1, and the other end of the screw rod 1 is fixed with a handle, both ends of the connecting block are embedded with a screw sleeve 2, the internal thread of the screw sleeve 2 is penetrated by a screw rod 2, both ends of the push block 1 are provided with a receiving groove, the interior of the receiving groove is slidably penetrated by a push block 2, and the two ends of the push block located inside the receiving groove are provided with a guide groove, and the interior of the guide groove is slidably penetrated by a screw rod fixed on the inner wall of the receiving groove A guide block, two ends of the push block one are provided with sliding grooves connected with the accommodating groove, a driving block is slidably penetrated inside the sliding groove, one end of the driving block is fixed on the adjacent push block two, and the other end of the driving block is embedded with a screw sleeve three, a screw rod three with opposite thread directions at both ends is provided between the push block one and the connecting block, the screw sleeve three is threadedly sleeved on the outer wall of the screw rod three, and operating blocks are fixed on both ends of the screw rod three. Through the operation of the above components, the signboard can be detected, the signboard with protrusions can be removed, the corresponding position of the push block one can be adjusted according to the thickness of the detected signboard, and the total length of the push block one and the push block two can be adjusted according to the length of the detected signboard.

[0008] As a further improvement of the above scheme, the mounting plate three is provided with a notch, and a guide plate is fixed to the inner wall at the bottom of the notch, and connecting plates 1 are fixed at both ends of the mounting plate 1 close to the mounting plate 3, and the end of the connecting plate 1 away from the mounting plate 1 is fixed on the adjacent mounting plate 3, and a connecting plate 2 is provided on the side of the connecting plate 1 close to the guide plate, and a plurality of hydraulic cylinders 1 are fixed on the side of the connecting plate 1 close to the adjacent connecting plate 2, and the piston end of the hydraulic cylinder 1 is fixed on the adjacent connecting plate 2, and a bearing plate is fixed on the side of the connecting plate 2 away from the connecting plate 1, and the bearing plate cooperates with the sign, and a recycling box sliding on the top of the base is provided below the bearing plate, when the sign with a protrusion detaches from the conveyor belt during the displacement process, it will enter the bearing plate through the guide plate, and then the displacement of the hydraulic cylinder 1 can drive the connecting plate 2 to be displaced, and drive the bearing plate to be displaced, and when the bearing plate is separated from the sign with a protrusion, the sign with a protrusion located between the two bearing plates will fall into the recycling box, and the sign with a protrusion is recycled through the recycling box.

[0009] As a further improvement of the above scheme, the top side of the conveyor belt and the top side of the guide plate are on the same horizontal line, and the bottom of the push block is located above the sign. The guide plate whose top side is on the same horizontal line as the top side of the conveyor belt can receive the raised sign on the conveyor belt.

[0010] As a further improvement of the above scheme, the receiving component includes a receiving block arranged at one end of the conveyor belt, the receiving block is provided with a receiving groove, the receiving groove is slidably matched with the sign, one end of the receiving block is provided with a slot, a blocking block is slidably penetrated inside the slot, a hydraulic cylinder 2 with a piston end fixed on the blocking block is fixed on the outer side of the receiving block, driving shafts are fixed on both sides of the receiving block, the end of the driving shaft on one side of the receiving block away from the receiving block is rotatably connected to the mounting plate 2, the end of the driving shaft on the other side of the receiving block away from the receiving block is rotatably connected to the mounting plate 3, a receiving box is provided below the receiving block, and a sliding A carrying plate moving on a base, a linkage plate is fixed to one end of the carrying plate close to the conveyor belt, a driving disk is provided on the side of the linkage plate away from the carrying plate, a driving plate is hinged on the outer side of the driving disk, a fixing block fixed on the linkage plate is hinged on the one end of the driving plate away from the driving disk, a driving column is fixed on the midpoint of the side of the driving disk away from the driving plate, and one end of the driving column away from the driving disk is rotatably connected to a mounting plate, a driving wheel is fixedly sleeved on the outer wall of the driving column and the outer wall of the conveyor belt drive shaft, a driving wheel is fixedly sleeved on the outer wall of the driving column and a driving belt matched with the driving wheel is provided on the outside of the driving wheel, and through the operation of the above components, qualified label plates can be received in batches.

[0011] As a further improvement of the above scheme, a gear is fixedly sleeved on the outer wall of the driving shaft, and a rack plate meshing with the gear is provided on the outer side of the gear, a linkage block is fixed to one end of the rack plate, and a hydraulic cylinder three is provided on the side of the linkage block away from the rack plate, and the piston end of the hydraulic cylinder three is fixed on the adjacent linkage block, the hydraulic cylinder three close to the mounting plate two is fixed on the mounting plate two, and the hydraulic cylinder three close to the mounting plate three is fixed on the mounting plate three. Through the operation of the hydraulic cylinder three, the linkage block is driven to move, the rack plate is driven to move, the gear is driven to rotate, the drive shaft is driven to rotate, and the receiving block is driven to deflect.

[0012] As a further improvement of the above scheme, a plurality of positioning grooves 1 are provided at the bottom of the recycling box body, and a positioning block 1 fixed on the base is slidably connected inside the positioning groove 1; a plurality of positioning grooves 2 are provided at the bottom of the receiving box body, and a positioning block 2 fixed on the supporting plate is slidably connected inside the positioning groove 2; the recycling box body can be limited by the cooperation of the positioning groove 1 and the positioning block 1, and the receiving box body can be limited by the cooperation of the positioning groove 2 and the positioning block 2.

[0013] As a further improvement of the above solution, the second screw rod is slidably arranged inside the slot, and the slot is slidably matched with the sign, so that the sign with the protrusion can be displaced through the slot.

[0014] As a further improvement of the above scheme, one end of the screw rod 2 is transmission connected to a motor, and the motor is fixed on the mounting plate 1. The other end of the screw rod 2 is rotationally connected to the mounting plate 2. The operation of the motor can drive the screw rod 2 to rotate.

[0015] As a further improvement of the above scheme, rubber pads are bonded to the inner walls of the recycling box and the receiving box, and a card slot that slides with the signboard is opened on the inner wall of the receiving box. The rubber pad can cushion the signboard that falls into the recycling box and the receiving box to avoid hard collision with the recycling box and the receiving box during the falling process. The signboard inside the receiving box can be separated through the card slot.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The present invention can continuously detect the signboards with high detection efficiency, and can quickly remove and recycle the unqualified signboards, so as to facilitate the staff to repair the signboards with protrusions. The detection components can be flexibly adjusted according to the size of the detection signboard, with a wide range of applications and high working performance.

[0018] 2. The present invention can store qualified labels in batches, which is convenient for the staff to use the qualified labels. The detection device can be adaptively adjusted according to the use requirements of the staff, which is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of a device for detecting convex deformation of a finished sign;

[0020] Figure 2 It is a schematic diagram of a receiving box in a device for detecting convex deformation of a finished sign;

[0021] Figure 3 It is a schematic diagram of a driving column in a device for detecting convex deformation of a finished sign;

[0022] Figure 4 It is a schematic diagram of a push block 1 in a device for detecting convex deformation of a finished sign;

[0023] Figure 5 It is a cross-sectional view of a push block 1 in a device for detecting convex deformation of a finished product of a sign;

[0024] Figure 6 It is a cross-sectional view of a receiving block in a device for detecting convex deformation of a finished product of a sign;

[0025] Figure 7 It is a schematic diagram of the connecting plate 2 in the device for detecting the convex deformation of the finished product of the sign;

[0026] Figure 8It is a cross-sectional view of the recovery box in the device for detecting the raised deformation of the finished sign.

[0027] Description of main symbols:

[0028] 1. Base; 2. Mounting plate 1; 3. Mounting plate 2; 4. Mounting plate 3; 5. Conveyor belt; 6. Label; 7. Push block 1; 8. Connecting block; 9. Screw sleeve 1; 10. Screw rod 1; 11. Screw sleeve 2; 12. Screw rod 2; 13. Accommodating groove; 14. Push block 2; 15. Guide groove; 16. Guide block; 17. Driving block; 18. Screw sleeve 3; 19. Screw rod 3; 20. Notch; 21. Connecting plate 1; 22. Connecting plate 2; 23. Bearing plate; 24. Recovery box; 25. Hydraulic cylinder one; 26. Receiving block; 27. Receiving slot; 28. Operating block; 29. ​​Drive shaft; 30. Gear; 31. Rack plate; 32. Linking block; 33. Hydraulic cylinder three; 34. Stop block; 35. Hydraulic cylinder two; 36. Bearing plate; 37. Receiving box; 38. Linking plate; 39. Drive disc; 40. Drive plate; 41. Drive column; 42. Sliding slot. DETAILED DESCRIPTION

[0029] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0030] Embodiment 1:

[0031] Combination Figure 1 The finished product convex deformation detection device of the sign of this embodiment includes a base 1, a mounting plate 1 2 fixed on one side of the base 1 and a mounting plate 2 3 fixed on the other side of the base 1, a mounting plate 3 4 located above the base 1 is provided between the mounting plate 1 2 and the mounting plate 2 3, a conveyor belt 5 is installed between the mounting plate 2 3 and the mounting plate 3 4, a plurality of signboards 6 are provided on the top of the conveyor belt 5, a receiving component is provided at one end of the conveyor belt 5, and a detection component is provided between the mounting plate 2 3 and the mounting plate 3 4.

[0032] The implementation principle of the device for detecting the convex deformation of finished signs in the embodiment of the present application is as follows: through the operation of the conveyor belt 5, the signs 6 that need to be detected can be transported, through the operation of the detection component, the signs 6 transported on the conveyor belt 5 can be detected, and through the operation of the receiving component, the signs 6 that meet the use standards can be received.

[0033] Embodiment 2:

[0034] Combination Figure 2 , Figure 4 and Figure 5On the basis of Example 1, this embodiment is further improved in that: the detection component includes a push block 7 arranged above the conveyor belt 5, a connecting block 8 is provided on the side of the push block 7 away from the conveyor belt 5, screw sleeves 9 are embedded at both ends of the connecting block 8, a screw rod 10 is penetrated through the internal thread of the screw sleeve 9, one end of the screw rod 10 is rotatably connected to the push block 7, and a handle is fixed to the other end of the screw rod 10, screw sleeves 11 are embedded at both ends of the connecting block 8, a screw rod 12 is penetrated through the internal thread of the screw sleeve 11, and a receiving groove 13 is opened at both ends of the push block 7, and a push block is slidably penetrated inside the receiving groove 13 A guide groove 15 is provided at the end of the push block 14 located inside the receiving groove 13, and a guide block 16 fixed on the inner wall of the receiving groove 13 is slidably penetrated inside the guide groove 15. Sliding grooves 42 communicating with the receiving groove 13 are provided at both ends of the push block 17, and a driving block 17 is slidably penetrated inside the sliding groove 42. One end of the driving block 17 is fixed on the adjacent push block 14, and a screw sleeve 3 18 is embedded on the other end of the driving block 17. A screw rod 3 19 with opposite thread directions at both ends is provided between the push block 17 and the connecting block 8. The screw sleeve 3 18 is threadedly sleeved on the outer wall of the screw rod 3 19, and the two ends of the screw rod 3 19 An operating block 28 is fixed at the end. When the sign 6 transported on the conveyor belt 5 is displaced to the bottom of the push block 1 7, the conveyor belt 5 stops running. Through the rotation of the screw rod 12 and the threaded cooperation between the screw rod 12 and the screw sleeve 11, the connecting block 8 is driven to move, and the push block 1 7 is driven to move. At this time, the displaceable push block 1 7 can be displaced above the sign 6. When the sign 6 has a protrusion, the displaced push block 1 7 will contact the protrusion of the sign 6, thereby pushing the sign 6 with the protrusion on the conveyor belt 5 to move, driving the sign 6 with the protrusion to leave the conveyor belt 5, and then the push block 1 7 is reset. The above work is repeated to continue to detect the remaining labels 6. By rotating the screw rod 10, the screw rod 10 and the screw sleeve 9 are matched to drive the screw rod 10 and the push block 7 to be displaced. At this time, the corresponding position of the push block 7 can be adjusted according to the thickness of the detection label 6. By rotating the screw rod 3 19, the screw rod 3 19 and the screw sleeve 3 18 are matched to drive the screw sleeve 3 18 and the driving block 17 to be displaced, and the push block 2 14 is displaced, and the push block 2 14 is driven to slide out or slide into the interior of the accommodating groove 13. At this time, the total length of the push block 7 and the push block 2 14 can be adjusted.

[0035] Embodiment 3:

[0036] Combination Figure 7 and Figure 8On the basis of Example 2, this embodiment is further improved in that: a notch 20 is provided on the mounting plate 3 4, a guide plate is fixed to the inner wall at the bottom of the notch 20, connecting plates 1 21 are fixed to both ends of the mounting plate 1 2 close to the mounting plate 3 4, an end of the connecting plate 1 21 away from the mounting plate 1 2 is fixed to the adjacent mounting plate 3 4, a connecting plate 2 22 is provided on the side of the connecting plate 1 21 close to the guide plate, a plurality of hydraulic cylinders 1 25 are fixed on the side of the connecting plate 1 21 close to the adjacent connecting plate 2 22, a piston end of the hydraulic cylinder 1 25 is fixed to the adjacent connecting plate 2 22, and a side of the connecting plate 2 22 away from the connecting plate 1 21 is fixed There is a bearing plate 23, which works with the sign 6. A recycling box 24 sliding on the top of the base 1 is provided below the bearing plate 23. When the sign 6 with a protrusion detaches from the conveyor belt 5 during the displacement process, it will enter the bearing plate 23 through the guide plate, and then the displacement of the hydraulic cylinder 1 25 can drive the connecting plate 22 to move, and drive the bearing plate 23 to move. When the bearing plate 23 is separated from the sign 6 with a protrusion, the sign 6 with a protrusion located between the two bearing plates 23 will fall into the recycling box 24, and the sign 6 with a protrusion will be recycled through the recycling box 24.

[0037] The top side of the conveyor belt 5 is on the same horizontal line as the top side of the guide plate, and the bottom of the push block 7 is located above the sign 6. The guide plate whose top side is on the same horizontal line as the top side of the conveyor belt 5 can receive the raised sign 6 on the conveyor belt 5.

[0038] Embodiment 4:

[0039] Combination Figure 3 and Figure 6On the basis of Example 2, this embodiment is further improved in that: the receiving assembly includes a receiving block 26 arranged at one end of the conveyor belt 5, the receiving block 26 is provided with a receiving groove 27, the receiving groove 27 is slidably matched with the sign 6, one end of the receiving block 26 is provided with a slot, the inside of the slot is slidably penetrated with a blocking block 34, the outer side of the receiving block 26 is fixed with a hydraulic cylinder 2 35 with a piston end fixed on the blocking block 34, and both sides of the receiving block 26 are fixed with a driving shaft 29, the end of the driving shaft 29 on one side of the receiving block 26 away from the receiving block 26 is rotatably connected to the mounting plate 2 3, and the end of the driving shaft 29 on the other side of the receiving block 26 away from the receiving block 26 is rotatably connected to the mounting plate 3 4, and then A receiving box 37 is provided below the receiving block 26, and a carrying plate 36 sliding on the base 1 is provided at the bottom of the receiving box 37. A linkage plate 38 is fixed to one end of the carrying plate 36 close to the conveyor belt 5, and a driving disk 39 is provided on the side of the linkage plate 38 away from the carrying plate 36. A driving plate 40 is hinged on the outer side of the driving disk 39, and a fixing block fixed on the linkage plate 38 is hinged on the end of the driving plate 40 away from the driving disk 39. A driving column 41 is fixed to the midpoint of the side of the driving disk 39 away from the driving plate 40, and the end of the driving column 41 away from the driving disk 39 is rotatably connected to the mounting plate 2, and the outer wall of the driving column 41 and the outer wall of the transmission shaft of the conveyor belt 5 are fixedly sleeved with a transmission wheel, and the outside of the transmission wheel is provided with a transmission wheel. The transmission belt matched with the driving wheel transmission, the inner walls of the recovery box 24 and the receiving box 37 are bonded with rubber pads, and the inner wall of the receiving box 37 is provided with a card slot that slides with the label 6. When the label 6 on the conveyor belt 5 passes the inspection, the label 6 on the conveyor belt 5 will be transported to the receiving slot 27 of the receiving block 26, and then the receiving block 26 can be driven to deflect by the rotation of the driving shaft 29. When the receiving block 26 corresponds to the receiving box 37, the blocking block 34 can be driven to move by the operation of the hydraulic cylinder 2 35, and the blocking block 34 is driven to detach from the slot. At this time, the qualified label 6 located inside the receiving slot 27 will fall into the card slot inside the receiving box 37. After the qualified label 6 inside 27 falls into the receiving box 37, the receiving block 26 is reset and deflected through the rotation of the drive shaft 29, and then the transmission shaft on the conveyor belt 5 is driven to rotate through the operation of the conveyor belt 5, and the transmission of the transmission wheel and the transmission belt is coordinated to drive the drive column 41 to rotate, drive the drive disk 39 to rotate, drive the drive plate 40 to deflect, drive the linkage plate 38 and the carrier plate 36 to move, drive the receiving box 37 to move, drive the label 6 in the slot inside the receiving box 37 to move, and drive the slot without the label 6 to move to the bottom of the receiving block 26, and then repeat the above work to continue to receive the qualified labels.

[0040] A gear 30 is fixedly sleeved on the outer wall of the driving shaft 29, and a rack plate 31 meshing with the gear 30 is provided on the outer side of the gear 30, a linkage block 32 is fixed to one end of the rack plate 31, and a hydraulic cylinder three 33 is provided on the side of the linkage block 32 away from the rack plate 31, and the piston end of the hydraulic cylinder three 33 is fixed on the adjacent linkage block 32, the hydraulic cylinder three 33 close to the mounting plate two 3 is fixed on the mounting plate two 3, and the hydraulic cylinder three 33 close to the mounting plate three 4 is fixed on the mounting plate three 4. Through the operation of the hydraulic cylinder three 33, the linkage block 32 is driven to move, the rack plate 31 is driven to move, the gear 30 is driven to rotate, the driving shaft 29 is driven to rotate, and the receiving block 26 is driven to deflect.

[0041] A plurality of positioning grooves 1 are provided at the bottom of the recovery box 24, and a positioning block 1 fixed on the base 1 is slidably connected inside the positioning groove 1; a plurality of positioning grooves 2 are provided at the bottom of the receiving box 37, and a positioning block 2 fixed on the supporting plate 36 is slidably connected inside the positioning groove 2. The recovery box 24 can be limited by the cooperation of the positioning groove 1 and the positioning block 1, and the receiving box 37 can be limited by the cooperation of the positioning groove 2 and the positioning block 2.

[0042] The screw rod 12 is slidably arranged inside the slot 20 , and the slot 20 and the sign 6 are slidably matched. Through the slot 20 , the sign with the protrusion can be displaced.

[0043] One end of the screw rod 12 is transmission-connected with a motor, which is a forward and reverse stepping motor. The motor is fixed on the mounting plate 2, and the other end of the screw rod 12 is rotationally connected to the mounting plate 3. The operation of the motor can drive the screw rod 12 to rotate.

[0044] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A device for detecting convex deformation of a finished sign, comprising a base, a mounting plate 1 fixed on one side of the base, and a mounting plate 2 fixed on the other side of the base, characterized in that: A mounting plate three located above the base is provided between the mounting plate one and the mounting plate two, a conveyor belt is installed between the mounting plate two and the mounting plate three, a plurality of labels are provided on the top of the conveyor belt, a receiving component is provided at one end of the conveyor belt, and a detection component is provided between the mounting plate two and the mounting plate three.

2. The device for detecting convex deformation of a finished sign as claimed in claim 1, characterized in that: The detection component comprises a push block 1 arranged above the conveyor belt, the push block 1 is provided with a connecting block on the side away from the conveyor belt, the two ends of the connecting block are embedded with a screw sleeve 1, the internal thread of the screw sleeve 1 is penetrated by a screw rod 1, one end of the screw rod 1 is rotatably connected to the push block 1, and the other end of the screw rod 1 is fixed with a handle, the two ends of the connecting block are embedded with a screw sleeve 2, the internal thread of the screw sleeve 2 is penetrated by a screw rod 2, the two ends of the push block 1 are provided with a receiving groove, the interior of the receiving groove is slidably penetrated by a push block 2, the two ends of the push block located inside the receiving groove are provided with a guide groove, the interior of the guide groove is slidably penetrated by a guide block fixed on the inner wall of the receiving groove, the two ends of the push block 1 are provided with sliding grooves connected with the receiving groove, the sliding groove is slidably penetrated by a driving block, one end of the driving block is fixed on the adjacent push block 2, the other end of the driving block is embedded with a screw sleeve 3, a screw rod 3 with opposite thread directions at both ends is provided between the push block 1 and the connecting block, the screw sleeve 3 is threadedly sleeved on the outer wall of the screw rod 3, and the two ends of the screw rod 3 are fixed with operating blocks.

3. The device for detecting convex deformation of a finished sign as claimed in claim 2, characterized in that: The mounting plate three is provided with a slot, a guide plate is fixed to the inner wall at the bottom of the slot, connecting plate one is fixed to the two ends of the mounting plate one close to the mounting plate three, the end of the connecting plate one away from the mounting plate one is fixed to the adjacent mounting plate three, a connecting plate two is provided on the side of the connecting plate one close to the guide plate, a plurality of hydraulic cylinders one are fixed to the side of the connecting plate one close to the adjacent connecting plate two, the piston end of the hydraulic cylinder one is fixed to the adjacent connecting plate two, a bearing plate is fixed to the side of the connecting plate two away from the connecting plate one, the bearing plate works in cooperation with the nameplate, a recovery box sliding on the top of the base is provided below the bearing plate.

4. The device for detecting convex deformation of a finished sign as claimed in claim 3, characterized in that: The top side of the conveyor belt and the top side of the guide plate are on the same horizontal line, and the bottom of the push block 1 is located above the sign.

5. The device for detecting convex deformation of a finished sign as claimed in claim 3, characterized in that: The receiving assembly includes a receiving block arranged at one end of the conveyor belt, the receiving block is provided with a receiving groove, the receiving groove is slidably matched with the sign, one end of the receiving block is provided with a slot, a blocking block is slidably penetrated inside the slot, a hydraulic cylinder 2 with a piston end fixed on the blocking block is fixed on the outer side of the receiving block, driving shafts are fixed on both sides of the receiving block, one end of the driving shaft on one side of the receiving block away from the receiving block is rotatably connected to the second mounting plate, and one end of the driving shaft on the other side of the receiving block away from the receiving block is rotatably connected to the third mounting plate, a receiving box is provided below the receiving block, and the receiving box The bottom of the body is provided with a carrying plate sliding on the base, and a linkage plate is fixed on one end of the carrying plate close to the conveyor belt, and a driving disk is provided on the side of the linkage plate away from the carrying plate. The outer side of the driving disk is hinged with a driving plate, and the end of the driving plate away from the driving disk is hinged with a fixing block fixed on the linkage plate, and a driving column is fixed at the midpoint of the side of the driving disk away from the driving plate, and the end of the driving column away from the driving disk is rotatably connected to a mounting plate, and the outer wall of the driving column and the outer wall of the conveyor belt transmission shaft are fixedly sleeved with a driving wheel, and the outside of the driving wheel is provided with a driving belt that cooperates with the driving wheel for transmission.

6. The device for detecting convex deformation of a finished sign as claimed in claim 5, characterized in that: The outer wall of the driving shaft is fixedly sleeved with a gear, and the outer side of the gear is provided with a rack plate meshing with the gear, a linkage block is fixed to one end of the rack plate, and a hydraulic cylinder three is provided on the side of the linkage block away from the rack plate, and the piston end of the hydraulic cylinder three is fixed on the adjacent linkage block, the hydraulic cylinder three close to the mounting plate two is fixed on the mounting plate two, and the hydraulic cylinder three close to the mounting plate three is fixed on the mounting plate three.

7. The device for detecting convex deformation of a finished sign as claimed in claim 5, characterized in that: The bottom of the recovery box body is provided with a plurality of positioning grooves 1, and the interior of the positioning grooves 1 is slidably connected with a positioning block 1 fixed on the base. The bottom of the receiving box body is provided with a plurality of positioning grooves 2, and the interior of the positioning grooves 2 is slidably connected with a positioning block 2 fixed on the supporting plate.

8. The device for detecting convex deformation of a finished sign as claimed in claim 3, characterized in that: The second screw rod is slidably arranged inside the slot, and the slot is slidably matched with the sign.

9. The device for detecting convex deformation of a finished sign as claimed in claim 2, characterized in that: One end of the second screw rod is transmission-connected with a motor, and the motor is fixed on the first mounting plate. The other end of the second screw rod is rotationally connected to the second mounting plate.

10. The device for detecting convex deformation of a finished sign according to claim 5, characterized in that: The inner walls of the recycling box and the receiving box are both bonded with rubber pads, and the inner wall of the receiving box is provided with a card slot that is slidably matched with the sign.

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