A packaging bag transport line with a stacking detection mechanism

Abstract

The present invention provides a packaging bag transportation line with a stacking detection mechanism, which is used to solve the technical problem that some transportation equipment in the prior art cannot detect the stacking state of packaging bags, which is easy to affect subsequent processes. The present invention discloses a packaging bag transportation line with a stacking detection mechanism, including a base plate; a detection plate, the detection plate is fixedly arranged at the front end of the base plate; an infrared transmitter, the infrared transmitter is fixedly arranged at the front end of the base plate and arranged above the detection plate; an infrared receiver, the infrared receiver is fixedly arranged on the base plate and is opposite to the infrared transmitter up and down; a first conveyor belt, the first conveyor belt is arranged at the front end of the base plate and is opposite to the detection plate up and down; the stacking state of the packaging bags is detected by the cooperation of the infrared transmitter and the infrared receiver, so that workers can observe the integrity of the packaging bags.

Description

Technical Field

[0001] The invention relates to the technical field of processing and manufacturing, and in particular to a packaging bag transportation line with a stacking detection mechanism. Background Art

[0002] Packaging bags are bags used to pack various items, making it easy to transport and store goods during production and circulation. After the packaging bags are produced, they need to be inspected to see if they are damaged.

[0003] The invention patent with application publication number "CN 116198769 A" and invention name "An automated packaging and transportation line for carton production" specifically discloses a transportation line, including a loading and transportation part, a flipping and stacking part, a unloading part, a packaging part, a sorting part and a socket part. The loading and transportation part includes a transmission channel 1, and a pair of transmission wheels are arranged on the upper side of the transmission channel 1. The loading and transportation part transports single carton boards in sequence. A transmission channel 2 is vertically arranged at one end of the transmission channel 1. The horizontal height of the transmission channel 1 is higher than that of the transmission channel 2. The flipping and stacking part is arranged at the intersection of the transmission channel 1 and the transmission channel 2. However, in the above invention, if cartons are stacked, it cannot be discovered in time and the stacked cartons cannot be processed, which is easy to affect subsequent processes. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a packaging bag transport line with a stacking detection mechanism, which is used to solve the technical problem that some transportation equipment in the prior art cannot detect the stacking status of packaging bags, which is easy to affect subsequent processes.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions:

[0006] A packaging bag transportation line with a stacking detection mechanism, comprising:

[0007] substrate;

[0008] A detection plate, the detection plate is fixedly arranged at the front end of the base plate;

[0009] An infrared emitter, which is fixed at the front end of the substrate and arranged above the detection board;

[0010] An infrared receiver, the infrared receiver is fixed on the substrate and is opposite to the infrared transmitter in vertical direction;

[0011] A first conveyor belt, the first conveyor belt is arranged at the front end of the substrate and is opposite to the detection plate in the upper and lower directions;

[0012] A first force-bearing plate, the first force-bearing plate is rotatably disposed at the front end of the base plate;

[0013] A friction block, the friction block is lifted and arranged at the lower end of the first force-bearing plate;

[0014] Two left and right first force-bearing shafts are rotatably provided at the front end of the substrate, transmission wheels are fixed on the two first force-bearing shafts, the first conveyor belt is wound around the two transmission wheels, a first working motor is fixed on the front end of the substrate, and the first force-bearing shaft on the left is power-connected to the output end of the first working motor.

[0015] A second force-bearing plate is fixedly disposed on the left end surface of the detection plate, a second force-bearing shaft is fixedly disposed on the front end of the second force-bearing plate, a first transmission cylinder is rotatably disposed on the second force-bearing shaft, a first force-bearing rod is fixedly disposed on the front end of the base plate, a second force-bearing rod is fixedly disposed on the first force-bearing rod, a third force-bearing shaft is fixedly disposed on the front end of the second force-bearing rod, and a second transmission cylinder cooperating with the first transmission cylinder is rotatably disposed on the third force-bearing shaft;

[0016] A placing plate is fixedly provided on the right end face of the detection plate, and a third force-bearing plate is fixedly provided at the front end of the base plate, and the third force-bearing plate is opposite to the placing plate in upper and lower directions, and a second working motor is fixedly provided at the bottom end of the third force-bearing plate, and the output end of the second working motor is poweredly connected to an eighth force-bearing shaft vertically downward, the first force-bearing plate is fixedly provided at the bottom end of the eighth force-bearing shaft, a hollow rod is fixedly provided at the bottom end of the first force-bearing plate, a first adjustment cavity opening vertically downward is provided at the bottom end of the hollow rod, a third force-bearing rod is provided in the first adjustment cavity for lifting and sliding, a first spring is connected between the top end of the third force-bearing rod and the top wall of the first adjustment cavity, a hollow block is fixedly provided at the bottom end of the third force-bearing rod, a second adjustment cavity opening downward is provided at the bottom end of the hollow block, a connecting block is provided in the second adjustment cavity for lifting and sliding, a second spring is connected between the top end of the connecting block and the top wall of the second adjustment cavity, and the friction block is fixedly provided at the bottom end of the connecting block;

[0017] A disc is fixedly arranged on the third force-bearing rod, and a transmission plate matched with the disc is fixedly arranged at the front end of the base plate;

[0018] A fourth force-bearing plate is fixedly arranged at the front end of the base plate, two front-to-rear opposite clamping blocks are fixedly arranged at the lower left end of the fourth force-bearing plate, a fourth force-bearing shaft is rotatably arranged between the two clamping blocks, a plurality of push rods arranged from the back to the front are fixedly arranged on the fourth force-bearing shaft, a third working motor is fixedly arranged on the left end surface of the fourth force-bearing plate, and the fourth force-bearing shaft is power-connected to the output end of the third working motor;

[0019] A storage frame is provided on the left side of the base plate, and two fifth force-bearing shafts are rotatably provided in the storage frame and opposite to each other. Third conveying cylinders are fixedly provided on the two fifth force-bearing shafts, and second conveying belts are wound around the two third conveying cylinders. A plurality of support columns are fixedly provided at the bottom end of the storage frame;

[0020] A seventh force-bearing shaft is rotatably arranged in the storage frame, and a sector gear and a driven gear are fixedly arranged on the seventh force-bearing shaft in sequence from the back to the front. A transmission gear meshing with the sector gear is fixedly arranged on the seventh force-bearing shaft on the right side. A sixth force-bearing shaft is rotatably arranged in the storage frame, and a driving gear meshing with the driven gear and a first pulley are fixedly arranged on the sixth force-bearing shaft in sequence from the back to the front. A one-way bearing is arranged between the first pulley and the sixth force-bearing shaft;

[0021] A second pulley is fixedly arranged on the fourth force-bearing shaft, and a belt is wound between the first pulley and the second pulley;

[0022] An alarm is fixedly arranged at the bottom end of the detection plate.

[0023] Working principle:

[0024] When it is necessary to observe the packaging bags and check whether there is any damage on the surface of the packaging bags, first pile the packaging bags in a certain position, rotate the first force plate, the first force plate drives the friction block to rotate, the rotation of the friction block drives a packaging bag to move, so that the packaging bag moves to the detection plate, start the first conveyor belt, the first conveyor belt drives the packaging bag to move on the detection plate, so that the staff can observe whether there is any damage on the surface of the packaging bag. When the packaging bag passes the infrared transmitter, if it is a single packaging bag, the infrared receiver can receive the infrared transmitter signal, if two packaging bags are stacked together, the infrared receiver cannot receive the infrared transmitter signal.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] When it is necessary to observe the packaging bags and check whether there is any damage on the surface of the packaging bags, first pile the packaging bags in a certain position, rotate the first force plate, the first force plate drives the friction block to rotate, the rotation of the friction block drives a packaging bag to move, so that the packaging bag moves to the detection plate, start the first conveyor belt, and the first conveyor belt drives the packaging bag to move on the detection plate, so that the staff can observe whether there is any damage on the surface of the packaging bag. When the packaging bag passes the infrared transmitter, if it is a single packaging bag, the infrared receiver can receive the infrared transmitter signal, if two packaging bags are stacked together, the infrared receiver cannot receive the infrared transmitter signal, and the stacked packaging bags are easy to affect the judgment of the staff, so the staff needs to rearrange and inspect the stacked packaging bags. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of a cross-sectional structure of an embodiment of the present invention;

[0028] Figure 2 for Figure 1 The enlarged schematic diagram at A in the middle;

[0029] Figure 3 for Figure 1 Schematic diagram of the structure in the BB direction.

[0030] In the above drawings: 10, support column; 11, fifth force-bearing axis; 12, third conveyor cylinder; 13, second conveyor belt; 14, sector gear; 15, belt; 16, third working motor; 17, push rod; 18, second force-bearing plate; 19, second force-bearing axis; 20, first conveyor cylinder; 21, third force-bearing axis; 22, first force-bearing rod; 23, second force-bearing rod; 24, second conveyor cylinder; 25, first working motor; 26, first conveyor belt; 27, conveyor wheel; 28, first force-bearing axis; 29, conveyor plate; 30, third force-bearing plate; 31, second working motor; 32, placement plate; 33, fourth force-bearing plate; 34, second conveyor cylinder; 35, first working motor; 36, first conveyor belt; 37, conveyor wheel; 38, first force-bearing axis; 39, conveyor plate; 40, third force-bearing plate; 41, second working motor; 42, placement plate; 43, fourth force-bearing plate; 44, second conveyor cylinder; 45, first working motor; 46, first conveyor belt; 47, conveyor wheel; 48, first force-bearing axis; 49, conveyor plate; 50, third force-bearing plate; 51, second working motor; 52, placement plate; 53, fourth force-bearing plate; 54, second conveyor cylinder; 55, first working motor; 56, first conveyor belt; 57, conveyor wheel; 58, first force-bearing axis; 59, conveyor plate; 60, third force-bearing plate; 61, second working motor; 62, placement plate; 63, fourth force-bearing plate; 4. Second pulley; 35. Base plate; 36. Fourth force-bearing shaft; 37. Clamping block; 38. Driving gear; 39. First pulley; 40. Sixth force-bearing shaft; 41. Driven gear; 42. Seventh force-bearing shaft; 43. Transmission gear; 44. Eighth force-bearing shaft; 45. First force-bearing plate; 46. Hollow rod; 47. First spring; 48. First adjustment chamber; 49. Third force-bearing rod; 50. Disc; 51. Hollow block; 52. Second spring; 53. Connecting block; 54. Friction block; 55. Second adjustment chamber; 56. Detection plate; 57. Infrared receiver; 58. Infrared transmitter; 59. Alarm; 60. Storage frame. DETAILED DESCRIPTION

[0031] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0032] Example:

[0033] like Figure 1 As shown, a packaging bag conveying line with a stacking detection mechanism comprises:

[0034] base plate 35;

[0035] A detection plate 56, the detection plate 56 is fixedly arranged at the front end of the substrate 35;

[0036] An infrared emitter 58, the infrared emitter 58 is fixedly mounted at the front end of the substrate 35 and is disposed above the detection plate 56;

[0037] An infrared receiver 57, wherein the infrared receiver 57 is fixed on the substrate 35 and is vertically opposite to the infrared transmitter 58;

[0038] A first conveyor belt 26, wherein the first conveyor belt 26 is disposed at the front end of the substrate 35 and is vertically opposite to the detection plate 56;

[0039] A first force-bearing plate 45, wherein the first force-bearing plate 45 is rotatably disposed at the front end of the base plate 35;

[0040] A friction block 54, which is lifted and arranged at the lower end of the first force-bearing plate 45;

[0041] The bottom end of the detection plate 56 is provided with an alarm 59;

[0042] When it is necessary to observe the packaging bag and check whether there is any damage on the surface of the packaging bag, the packaging bags are first piled up and placed in a certain position, and the first force plate 45 is rotated. The first force plate 45 drives the friction block 54 to rotate, and the rotation of the friction block 54 drives a packaging bag to move, so that the packaging bag moves to the detection plate 56, and the first conveyor belt 26 is started. The first conveyor belt 26 drives the packaging bag to move on the detection plate 56, so that the staff can observe whether there is any damage on the surface of the packaging bag. When the packaging bag passes the infrared transmitter 58, if it is a single packaging bag, the infrared receiver 57 can receive the infrared transmitter 58 signal. If two packaging bags are stacked together, the infrared receiver 57 cannot receive the infrared transmitter 58 signal, and the alarm 59 sounds an alarm. The stacked packaging bags are likely to affect the judgment of the staff, so the staff needs to rearrange and inspect the stacked packaging bags.

[0043] like Figure 1 As shown, two left and right first force-bearing shafts 28 are rotatably provided at the front end of the base plate 35, and transmission wheels 27 are fixed on the two first force-bearing shafts 28. The first conveyor belt 26 is wound around the two transmission wheels 27. A first working motor 25 is fixedly provided at the front end of the base plate 35. The first force-bearing shaft 28 on the left side is power-connected to the output end of the first working motor 25. The first working motor 25 drives the first force-bearing shaft 28 to rotate, and the first force-bearing shaft 28 drives the first conveyor belt 26 to rotate through the transmission wheel 27, thereby moving the packaging bag to facilitate the staff to check the packaging bag.

[0044] like Figure 1 As shown, a second force-bearing plate 18 is fixedly provided on the left end face of the detection plate 56, a second force-bearing axis 19 is fixedly provided on the front end of the second force-bearing plate 18, a first conveying cylinder 20 is rotatably provided on the second force-bearing axis 19, a first force-bearing rod 22 is fixedly provided on the front end of the base plate 35, a second force-bearing rod 23 is fixedly provided on the first force-bearing rod 22, a third force-bearing axis 21 is fixedly provided on the front end of the second force-bearing rod 23, a second conveying cylinder 24 cooperating with the first conveying cylinder 20 is rotatably provided on the third force-bearing axis 21, the first conveyor belt 26 drives the packaging bag to move to the left, one end of the packaging bag abuts against the second conveying cylinder 24, the second conveying cylinder 24 cooperates with the first conveying cylinder 20, so that the moving direction of the packaging bag changes.

[0045] like Figure 1 , Figure 2 and Figure 3As shown, a placement plate 32 is fixedly arranged on the right end face of the detection plate 56, a third force-bearing plate 30 is fixedly arranged on the front end of the base plate 35, the third force-bearing plate 30 is opposite to the placement plate 32 in upper and lower directions, a second working motor 31 is fixedly arranged on the bottom end of the third force-bearing plate 30, and the output end of the second working motor 31 is poweredly connected to the eighth force-bearing shaft 44 which is vertically downwardly directed, the first force-bearing plate 45 is fixedly arranged on the bottom end of the eighth force-bearing shaft 44, a hollow rod 46 is fixedly arranged on the bottom end of the first force-bearing plate 45, a first adjustment cavity 48 which is opened vertically downwardly is provided at the bottom end of the hollow rod 46, a third force-bearing rod 49 is provided in the first adjustment cavity 48 for lifting and sliding, a first spring 47 is connected between the top end of the third force-bearing rod 49 and the top wall of the first adjustment cavity 48, a hollow block 51 is fixedly arranged on the bottom end of the third force-bearing rod 49, a second adjustment cavity 55 which is opened downwardly is provided at the bottom end of the hollow block 51, a connecting block 53 is provided in the second adjustment cavity 55 for lifting and sliding, and the top end of the connecting block 53 is connected to the A second spring 52 is connected between the top walls of the second adjustment chamber 55, the friction block 54 is fixedly arranged at the bottom end of the connection block 53, a disc 50 is fixedly arranged on the third force-bearing rod 49, a transmission plate 29 cooperating with the disc 50 is fixedly arranged at the front end of the base plate 35, the second working motor 31 is started, the second working motor 31 drives the first force-bearing plate 45 to rotate through the eighth force-bearing shaft 44, the first force-bearing plate 45 drives the hollow rod 46 to rotate, and the hollow rod 46 drives the third force-bearing rod 49 to rotate. The third force-bearing rod 49 drives the connecting block 53 to rotate through the hollow block 51, and the connecting block 53 drives the friction block 54 to rotate. After the disc 50 rotates a certain angle with the third force-bearing rod 49, the disc 50 abuts against the conveying plate 29, and the disc 50 drives the third force-bearing rod 49 to move downward. The third force-bearing rod 49 drives the hollow block 51 to move downward. The hollow block 51 drives the friction block 54 to move downward through the connecting block 53. The friction block 54 moves downward and abuts against the packaging bag, and the friction block 54 drives the packaging bag to move.

[0046] like Figure 1 As shown, a fourth force-bearing plate 33 is fixedly provided at the front end of the base plate 35, and two front-to-rear opposite clamping blocks 37 are fixedly provided at the lower left end of the fourth force-bearing plate 33, and a fourth force-bearing shaft 36 is rotatably provided between the two clamping blocks 37, and a plurality of pushing rods 17 arranged from back to front are fixedly provided on the fourth force-bearing shaft 36, and a third working motor 16 is fixedly provided on the left end face of the fourth force-bearing plate 33, and the fourth force-bearing shaft 36 is power-connected to the output end of the third working motor 16. When the packaging bag moves to the left side of the pushing rod 17, the third working motor 16 drives the fourth force-bearing shaft 36 to rotate, and the fourth force-bearing shaft 36 drives the pushing rod 17 to rotate, and the pushing rod 17 drives the packaging bag to rotate.

[0047] like Figure 1As shown, a storage frame 60 is provided on the left side of the base plate 35, and two fifth force-bearing shafts 11 opposite to each other are rotatably provided in the storage frame 60, and third transmission cylinders 12 are fixedly provided on the two fifth force-bearing shafts 11, and second transmission belts 13 are wound around the two third transmission cylinders 12. A plurality of support columns 10 are fixedly provided on the bottom end of the storage frame 60, and a seventh force-bearing shaft 42 is rotatably provided in the storage frame 60, and a sector gear 14 and a driven gear 41 are fixedly provided on the seventh force-bearing shaft 42 in sequence from back to front, and a transmission gear 43 meshing with the sector gear 14 is fixedly provided on the seventh force-bearing shaft 42 on the right side, and a sixth force-bearing shaft 40 is rotatably provided in the storage frame 60, and a driving gear 38 meshing with the driven gear 41 and a first pulley 39 are fixedly provided on the sixth force-bearing shaft 40 in sequence from back to front, and a one-way bearing is provided between the first pulley 39 and the sixth force-bearing shaft 40, and a one-way bearing is provided. The bearing is prior art and is therefore not described in detail in the specification. The fourth force-bearing shaft 36 is fixedly provided with a second pulley 34, and a belt 15 is wound between the first pulley 39 and the second pulley 34. The fourth force-bearing shaft 36 drives the second pulley 34 to rotate, and the second pulley 34 drives the first pulley 39 to rotate through the belt 15. The first pulley 39 drives the driving gear 38 to rotate through the sixth force-bearing shaft 40, and the driving gear 38 engages and drives the driven gear 41 to rotate. The driven gear 41 drives the fan gear 14 to rotate through the seventh force-bearing shaft 42, and the fan gear 14 intermittently drives the transmission gear 43 to rotate. The transmission gear 43 drives the third conveying drum 12 to rotate through the fifth force-bearing shaft 11, and the third transmission drum 12 drives the second conveyor belt 13 to rotate. When a certain number of packaging bags on the second conveyor belt 13 accumulates, the second conveyor belt 13 rotates to separate the packaging bags for workers to pick up.

[0048] Working principle:

[0049] When it is necessary to observe the packaging bag and check whether there is any damage on the surface of the packaging bag, the packaging bags are first stacked and placed in a certain position, and the first force-bearing plate 45 is rotated. The first force-bearing plate 45 drives the friction block 54 to rotate, and the rotation of the friction block 54 drives a packaging bag to move, so that the packaging bag moves to the detection plate 56, and the first working motor 25 drives the first force-bearing shaft 28 to rotate. The first force-bearing shaft 28 drives the first conveyor belt 26 to rotate through the conveying wheel 27, and the first conveyor belt 26 drives the packaging bag to move on the detection plate 56, so that the staff can observe whether there is any damage on the surface of the packaging bag. When the packaging bag passes through the infrared transmitter 58, if it is a single packaging bag, the infrared receiver 57 can receive the infrared transmitter 58 signal. If two packaging bags are stacked together, the infrared receiver 57 cannot receive the infrared transmitter 58 signal, and the alarm 59 sounds an alarm. The first conveyor belt 26 drives the packaging bag to The packaging bag moves left, one end of the packaging bag abuts against the second conveying drum 24, and the second conveying drum 24 cooperates with the first conveying drum 20, so that the moving direction of the packaging bag changes. When the packaging bag moves to the left side of the pushing rod 17, the third working motor 16 drives the fourth force-bearing shaft 36 to rotate, the fourth force-bearing shaft 36 drives the pushing rod 17 to rotate, the pushing rod 17 drives the packaging bag to rotate, the fourth force-bearing shaft 36 drives the second pulley 34 to rotate, the second pulley 34 drives the first pulley 39 to rotate through the belt 15, the first pulley 39 drives the driving gear 38 to rotate through the sixth force-bearing shaft 40, the driving gear 38 engages and drives the driven gear 41 to rotate, the driven gear 41 drives the fan gear 14 to rotate through the seventh force-bearing shaft 42, the fan gear 14 intermittently drives the transmission gear 43 to rotate, the transmission gear 43 drives the third conveying drum 12 to rotate through the fifth force-bearing shaft 11, and the third transmission drum 12 drives the second conveyor belt 13 to rotate.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A packaging bag transportation line with a stacking detection mechanism, characterized in that: include: substrate(35); A detection plate (56), the detection plate (56) being fixedly mounted on the front end of the base plate (35); An infrared emitter (58), the infrared emitter (58) being fixedly mounted on the front end of the substrate (35) and disposed above the detection plate (56); An infrared receiver (57), the infrared receiver (57) being fixedly mounted on the substrate (35) and being vertically opposite to the infrared transmitter (58); a first conveyor belt (26), the first conveyor belt (26) being arranged at the front end of the substrate (35) and being vertically opposite to the detection plate (56); A first force-bearing plate (45), the first force-bearing plate (45) being rotatably disposed at the front end of the base plate (35); A friction block (54), the friction block (54) being lifted and arranged at the lower end of the first force-bearing plate (45); The front end of the base plate (35) is rotatably provided with two left and right first force-bearing shafts (28), both of which are fixedly provided with transmission wheels (27), and the first transmission belt (26) is wound around the two transmission wheels (27). The front end of the base plate (35) is fixedly provided with a first working motor (25), and the left first force-bearing shaft (28) is connected to the output end of the first working motor (25) by power; A second force-bearing plate (18) is fixedly provided on the left end surface of the detection plate (56), a second force-bearing shaft (19) is fixedly provided on the front end of the second force-bearing plate (18), a first transmission cylinder (20) is rotatably provided on the second force-bearing shaft (19), a first force-bearing rod (22) is fixedly provided on the front end of the base plate (35), a second force-bearing rod (23) is fixedly provided on the first force-bearing rod (22), a third force-bearing shaft (21) is fixedly provided on the front end of the second force-bearing rod (23), and a second transmission cylinder (24) cooperating with the first transmission cylinder (20) is rotatably provided on the third force-bearing shaft (21); A placement plate (32) is fixedly arranged on the right end face of the detection plate (56), a third force-bearing plate (30) is fixedly arranged on the front end of the base plate (35), the third force-bearing plate (30) is opposite to the placement plate (32) in vertical relation, a second working motor (31) is fixedly arranged on the bottom end of the third force-bearing plate (30), an output end of the second working motor (31) is connected to an eighth force-bearing shaft (44) extending vertically downward, the first force-bearing plate (45) is fixedly arranged on the bottom end of the eighth force-bearing shaft (44), a hollow rod (46) is fixedly arranged on the bottom end of the first force-bearing plate (45), and a first adjustment cavity (48) extending vertically downward is opened on the bottom end of the hollow rod (46). ), a third force-bearing rod (49) is provided in the first adjustment cavity (48) for lifting and sliding, a first spring (47) is connected between the top of the third force-bearing rod (49) and the top wall of the first adjustment cavity (48), a hollow block (51) is fixedly provided at the bottom of the third force-bearing rod (49), a second adjustment cavity (55) opening downward is provided at the bottom of the hollow block (51), a connecting block (53) is provided in the second adjustment cavity (55) for lifting and sliding, a second spring (52) is connected between the top of the connecting block (53) and the top wall of the second adjustment cavity (55), and the friction block (54) is fixedly provided at the bottom of the connecting block (53); A disc (50) is fixedly provided on the third force-bearing rod (49), and a transmission plate (29) matching with the disc (50) is fixedly provided on the front end of the base plate (35); A fourth force-bearing plate (33) is fixedly arranged at the front end of the base plate (35), two front-to-rear opposite clamping blocks (37) are fixedly arranged at the lower left end of the fourth force-bearing plate (33), a fourth force-bearing shaft (36) is rotatably arranged between the two clamping blocks (37), a plurality of push rods (17) arranged from the back to the front are fixedly arranged on the fourth force-bearing shaft (36), a third working motor (16) is fixedly arranged on the left end surface of the fourth force-bearing plate (33), and the fourth force-bearing shaft (36) is connected to the output end of the third working motor (16) by power; A storage frame (60) is provided on the left side of the base plate (35), two fifth force-bearing shafts (11) are rotatably provided in the storage frame (60) and are opposite to each other, third conveying cylinders (12) are fixedly provided on the two fifth force-bearing shafts (11), second conveying belts (13) are wound around the two third conveying cylinders (12), and a plurality of support columns (10) are fixedly provided at the bottom end of the storage frame (60); A seventh force-bearing shaft (42) is rotatably arranged in the storage frame (60), and a sector gear (14) and a driven gear (41) are fixedly arranged on the seventh force-bearing shaft (42) in sequence from the back to the front, and a transmission gear (43) meshing with the sector gear (14) is fixedly arranged on the right side of the seventh force-bearing shaft (42). A sixth force-bearing shaft (40) is rotatably arranged in the storage frame (60), and a driving gear (38) meshing with the driven gear (41) and a first pulley (39) are fixedly arranged on the sixth force-bearing shaft (40) in sequence from the back to the front; a one-way bearing is arranged between the first pulley (39) and the sixth force-bearing shaft (40); A second pulley (34) is fixedly arranged on the fourth force-bearing shaft (36), and a belt (15) is wound between the first pulley (39) and the second pulley (34); An alarm (59) is fixedly arranged at the bottom end of the detection plate (56).

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