Home decoration bagged pipe conveying and boxing anti-overflow device

Abstract

The utility model discloses an anti-overflow box device for conveying and encasement of home decoration bagged pipe fittings, which is formed by combining a bagged finished product belt conveyor, a gate cylinder fixing frame, an anti-overflow box cylinder, an anti-overflow box fixing plate and the like. The anti-overflow box fixing plate is fixed to a movable block of the anti-overflow box air cylinder and is driven by the anti-overflow box air cylinder to move up and down, and the conveying and boxing anti-overflow box device for the home decoration bagged pipe fittings is high in practicability. The device has the advantages that the design is novel, the conception is reasonable, and the device mainly has the functions of automatically conveying the home decoration bagged pipe fittings and the home decoration cartons in a limiting manner, counting and boxing the home decoration bagged pipe fittings and arranging the boxed home decoration bagged pipe fittings to prevent the home decoration bagged pipe fittings from overflowing after the home decoration bagged pipe fittings are boxed; and meanwhile, the structure is simple, the cost is saved, the dependence on the environment is extremely small, and the operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of production and packaging of PPR pipe fittings, in particular to an overflow prevention device for conveying and packing bagged pipe fittings for household use. Background Art

[0002] During the automatic production and packaging process of PPR home improvement pipe fittings, each pipe fitting needs to be individually packaged first, then the fixed number of single-package pipe fittings are packaged into large packages, and finally the large packages of pipe fittings are boxed according to the fixed number of packages before being sealed. Because the pipe fittings in the large package are also individually packaged, there is a large amount of gas remaining in the packaging bag, which causes the finished large package of pipe fittings to bulge violently. In addition, there are also many large packages of pipe fittings in a home improvement carton. When the last few large packages are boxed, they have exceeded the top of the carton and are prone to rolling out from the top of the carton, affecting the accuracy of the number of pipe fittings in the carton. They will be screened out and reworked during the automatic weighing and rechecking at the back end, increasing the production workload. Utility Model Content

[0003] The purpose of the present utility model is to solve the problem that during the automatic production and packaging process of PPR household pipe fittings, it is necessary to first package each pipe fitting individually, then package the single-package pipe fittings with a fixed number of packages into large packages, and finally pack the large packages of pipe fittings into boxes according to the fixed number of packages and then seal the boxes. Since the pipe fittings in the large package of pipe fittings are also individually packaged, a large amount of gas remains in the packaging bag, which causes the finished large package of pipe fittings to bulge violently. In addition, there are also many large packages of pipe fittings in a household carton. When the pipe fittings are packed, the last few large packages of pipe fittings have exceeded the top of the carton and are easy to roll out from the top of the carton, affecting the accuracy of the number of pipe fittings in the carton. When the automatic weighing and rechecking is carried out at the back end, they will be screened out and reworked, which increases the production workload.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A device for conveying and packing bagged household pipe fittings to prevent overflow, comprising a bagged finished product belt conveyor, a counting grating sensor transmitter, a counting grating sensor receiver, a gate cylinder fixing frame, a gate cylinder, an intercepting gate, a bagged finished product guide slide, an anti-overflow box component, and a carton conveying and intercepting positioning component. The gate cylinder and the intercepting gate are used to intercept the bagged household pipe fittings conveyed on the bagged finished product belt conveyor; the carton conveying and intercepting positioning component is used to convey and intercept, position and pack household cartons; and the anti-overflow box component is used to perform an anti-overflow box operation on the bagged household pipe fittings packed in the household cartons to prevent product overflow.

[0006] Furthermore, the bagged finished product belt conveyor includes an integral frame, a conveying motor, a low-friction conveying belt, bearings and a rotating shaft; a front bagged finished product conveying limit plate and a rear bagged finished product conveying limit plate are respectively provided on the front and rear sides of the bagged finished product belt conveyor; the front bagged finished product conveying limit plate and the rear bagged finished product conveying limit plate are respectively connected and fixed to the bagged finished product belt conveyor by two fixed handles, which are used to limit the conveyance of bagged finished home improvement pipe fittings to prevent them from running out of the bagged finished product belt conveyor and affecting the stability of the packing quantity.

[0007] Furthermore, the counting grating sensor transmitter is connected and fixed to the front bagged finished product conveying limit plate, and the counting grating sensor receiver is connected and fixed to the rear bagged finished product conveying limit plate. The counting grating sensor transmitter and the counting grating sensor receiver are used to sense the bagged finished products of home improvement pipe fittings and count them to control the interception, packing, and anti-overflow actions at the rear end.

[0008] Furthermore, the gate cylinder fixing frame is connected and fixed to the bagged finished product belt conveyor; the gate cylinder is connected and fixed to the gate cylinder fixing frame; and the intercepting gate is connected and fixed to the movable block of the gate cylinder.

[0009] Furthermore, the anti-overflow box assembly includes an anti-overflow box cylinder, an anti-overflow box fixing plate, an anti-overflow box pressure plate, a front guide shaft, a rear guide shaft, a front fixing ring, a rear fixing ring, a front buffer spring, a rear buffer spring, a front linear bearing and a rear linear bearing; the anti-overflow box cylinder is connected and fixed to the gate cylinder fixing frame; the anti-overflow box fixing plate is connected and fixed to the movable block of the anti-overflow box cylinder; the front linear bearing and the rear linear bearing are respectively connected and fixed to the anti-overflow box fixing plate; the front guide shaft is inserted into the front linear shaft The bottom of the bearing is connected to the anti-overflow box pressure plate by a threaded connection, and the top is fixed and limited by the front fixing ring. The front buffer spring is sleeved on the front guide shaft and is arranged between the anti-overflow box fixing plate and the anti-overflow box pressure plate to provide a buffer for the downward pressure of the anti-overflow box pressure plate; the rear guide shaft passes through the bottom of the rear linear bearing and is connected to the anti-overflow box pressure plate by a threaded connection, and the top is fixed and limited by the rear fixing ring. The rear buffer spring is sleeved on the rear guide shaft and is arranged between the anti-overflow box fixing plate and the anti-overflow box pressure plate to provide a buffer for the downward pressure of the anti-overflow box pressure plate.

[0010] Furthermore, a layer of polytetrafluoroethylene slide is fixed to the upper surface of the bagged finished product guide slide by hexagonal screws; the bagged finished product guide slide is arranged at the end of the bagged finished product belt conveyor, and is used to guide the bagged finished home improvement pipe fittings to ensure that they slide into the home improvement carton.

[0011] Furthermore, the carton conveying and interception positioning assembly includes a carton roller conveyor, a carton positioning cylinder, a carton interception positioning plate, a carton induction diffuse reflection photoelectric sensor, an induction reflector and a photoelectric sensor mounting frame; the carton roller conveyor is assembled from an integral frame, a conveying roller, a conveying motor and a chain; the carton roller conveyor is provided with a carton conveying left limit plate and a carton conveying right limit plate, each of which has two waist-shaped holes; the carton conveying left limit plate and the carton conveying right limit plate are respectively fixedly connected to the carton roller conveyor on the two waist-shaped holes through two fixed handles; the carton positioning cylinder is arranged at the bottom of the carton roller conveyor.

[0012] Furthermore, the carton intercepting positioning plate is connected and fixed to the movable block of the carton positioning cylinder; the carton positioning cylinder is connected and fixed to the carton roller conveyor; the photoelectric sensor mounting frame is connected and fixed to the carton roller conveyor; the carton sensing diffuse reflection photoelectric sensor is connected and fixed to the photoelectric sensor mounting frame; the sensing reflector is connected and fixed to the carton roller conveyor, and the sensing reflector is used in combination with the carton sensing diffuse reflection photoelectric sensor to accurately sense home improvement cartons and thereby control the subsequent carton positioning cylinder movements.

[0013] Compared with the prior art, the technical effects of the present invention are:

[0014] The bagged finished product belt conveyor in the present invention adopts a conveyor belt with a low friction coefficient to prevent the finished bagged household pipe fittings from being caught in the gap of the interception gate due to excessive friction during the conveying process, thereby breaking the packaging bags and affecting the normal operation of the bagged finished product belt conveyor. A polytetrafluoroethylene slide is laid on the surface of the guide slide for the bagged finished product, which has self-lubricating properties to ensure that the finished bagged household pipe fittings can slide out and be packed smoothly. The buffer springs on the front and rear sides can provide buffering force for the anti-overflow box pressure plate to prevent the anti-overflow box pressure plate from being pressed too hard and directly crushing the inflated packaging bag, affecting the product quality. The left limit plate for carton conveying and the right limit plate for carton conveying are both designed with waist-shaped holes that can be adjusted left and right to ensure accurate positioning of the home improvement carton conveying and improve the stability of the anti-overflow box packing action.

[0015] Its main working method is to combine the set bagged finished product belt conveyor, gate cylinder fixing frame, anti-overflow box cylinder, anti-overflow box fixing plate, etc., and fix the anti-overflow box fixing plate on the movable block of the anti-overflow box cylinder, which is driven by the anti-overflow box cylinder to move up and down to form a highly practical household bagged pipe fittings conveying and packing anti-overflow box device.

[0016] The advantages of this utility model are: novel design and reasonable conception. It mainly has the functions of automatically limiting the transportation of household bagged tube fittings and household cartons, counting and packing the household bagged tube fittings, and sorting the packed household bagged tube fittings to prevent the household bagged tube fittings from overflowing after packing. At the same time, it has a simple structure, saves costs, has minimal dependence on the environment, is easy to operate, and is convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the overall structure of the device of the utility model;

[0018] Figure 2 The overall structure of the device of the utility model is a front view;

[0019] Figure 3 A front view of the home improvement carton conveying and positioning mechanism of the utility model device;

[0020] Figure 4 A right side view of the downward pressure anti-overflow box mechanism of the utility model device.

[0021] The components in the attached drawings are numbered as follows: 1. Rear side limit plate for conveying bagged finished products; 2. Counting grating sensor receiver; 3. Counting grating sensor transmitter; 4. Front side limit plate for conveying bagged finished products; 5. Belt conveyor for bagged finished products; 6. Gate cylinder fixing bracket; 7. Intercepting gate; 8. Guide slide for bagged finished products; 9. Home improvement cartons; 10. Carton intercepting positioning plate; 11. Carton roller conveyor; 12. Limit plate on the right side for conveying carton; 13. Limit plate on the left side for conveying carton; 14. Anti-overflow box Pressure plate; 15. Anti-overflow box cylinder; 16. Gate cylinder; 17. Home improvement pipe fittings in bags; 18. Anti-overflow box fixing plate; 19. Inductive reflective plate; 20. Carton positioning cylinder; 21. Photoelectric sensor mounting bracket; 22. Carton inductive diffuse reflection photoelectric sensor; 23. Front guide shaft; 24. Front fixing ring; 25. Front linear bearing; 26. Front buffer spring; 27. Rear buffer spring; 28. Rear linear bearing; 29. Rear fixing ring; 30. Rear guide shaft. DETAILED DESCRIPTION

[0022] To make the purpose, technical solution, and advantages of the present invention more clear, the technical solution of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0023] A device for conveying and packing bagged household pipe fittings to prevent overflow is disclosed. The device primarily comprises a finished bagged pipe conveyor belt 5, a counting grating sensor transmitter 3, a counting grating sensor receiver 2, a gate cylinder mounting bracket 6, a gate cylinder 16, an intercepting gate 7, a finished bagged pipe guide slide 8, an overflow prevention assembly, and a carton conveying and intercepting positioning assembly. The gate cylinder 16 and intercepting gate 7 are used to intercept finished household pipe fittings 17 being transported on the finished bagged pipe conveyor belt 5. The carton conveying and intercepting positioning assembly is used to convey, intercept, position, and pack household pipe cartons 9. The overflow prevention assembly is used to prevent overflow of finished household pipe fittings 17 packed into household pipe cartons 9.

[0024] The bagged finished product belt conveyor 5 is assembled from a single frame, a conveyor motor, a low-friction conveyor belt, bearings, and a rotating shaft. A front and rear stopper plate 4 and a rear stopper plate 1 are respectively installed on the front and rear sides of the bagged finished product belt conveyor 5. These two stopper plates are connected to the bagged finished product belt conveyor 5 via two fixed handles. These stopper plates 4 and 1 are used to limit the conveyance of the bagged finished home improvement pipe fittings 17, preventing them from escaping from the belt conveyor 5 and affecting the stability of the package quantity. A counting grating sensor transmitter 3 is connected to the front stopper plate 4 via two hexagon socket head screws, while a counting grating sensor receiver 2 is connected to the rear stopper plate 1 via two hexagon socket head screws. The counting grating sensor transmitter 3 and the counting grating sensor receiver 2 are used to sense and count the bagged finished home improvement pipe fittings 17, thereby controlling the interception, packaging, and overflow prevention operations at the rear end.

[0025] The gate cylinder mounting bracket 6 is constructed from thickened steel plate by cutting, welding, and punching. It is secured to the bagged finished product belt conveyor 5 with eight hexagon socket screws. The gate cylinder 16 is secured to the gate cylinder mounting bracket 6 with four hexagon socket screws. The intercepting gate 7 is constructed from thickened steel plate by cutting, welding, and punching. The intercepting gate 7 is secured to the movable block of the gate cylinder 16 with four hexagon socket screws.

[0026] The anti-overflow box assembly includes an anti-overflow box cylinder 15, an anti-overflow box fixing plate 18, an anti-overflow box pressure plate 14, a front guide shaft 23, a rear guide shaft 30, a front fixing ring 24, a rear fixing ring 29, a front buffer spring 26, a rear buffer spring 27, a front linear bearing 25 and a rear linear bearing 28.

[0027] The anti-overflow box cylinder 15 is fixed to the gate cylinder fixing frame 6 via four hexagon socket screws. The anti-overflow box fixing plate 18 is fixed to the movable block of the anti-overflow box cylinder 15 via four hexagon socket screws. The anti-overflow box fixing plate 18 is fixed with the front linear bearing 25 and the rear linear bearing 28 via four hexagon socket screws. The front guide shaft 23 passes through the front linear bearing 25, the bottom is connected to the anti-overflow box pressure plate 14 via a thread, and the top is fixed by the front fixing ring 24. The front buffer spring 26 is sleeved on the front guide shaft 23 and is arranged between the anti-overflow box fixing plate 18 and the anti-overflow box pressure plate 14 to provide a buffer for the downward pressure of the anti-overflow box pressure plate 14. The rear guide shaft 30 passes through the bottom inner side of the rear linear bearing 28 and is connected to the anti-overflow box pressure plate 14 through a threaded connection. The top is fixed and limited by the rear fixing ring 29. The rear buffer spring 27 is sleeved on the rear guide shaft 30 and is arranged outside between the anti-overflow box fixing plate 18 and the anti-overflow box pressure plate 14 to provide a buffer for the downward pressure of the anti-overflow box pressure plate 14.

[0028] The base of the bagged product guide slide 8 is constructed from thickened steel plate, cut, welded, and punched. A polytetrafluoroethylene (PTFE) slide is secured to its upper surface via hexagonal screws. The guide slide 8 is located at the end of the bagged product conveyor belt 5 and is secured to the conveyor belt 5 via 12 hexagonal screws. The guide slide 8 guides the bagged product 17 of the home improvement pipe fittings, ensuring they slide into the home improvement cartons 9.

[0029] The carton conveying and intercepting positioning assembly includes a carton roller conveyor 11, a carton positioning cylinder 20, a carton intercepting positioning plate 10, a carton inductive diffuse reflection photoelectric sensor 22, an inductive reflective plate 19 and a photoelectric sensor mounting frame 21.

[0030] The carton roller conveyor 11 is assembled from an integral frame, conveying rollers, a conveying motor, a chain, and the like. The left limit plate 13 for carton conveying and the right limit plate 12 for carton conveying are both made of steel plates cut, welded, and punched, and each has two waist-shaped holes. The left limit plate 13 for carton conveying and the right limit plate 12 for carton conveying are fixedly connected to the carton roller conveyor 11 on the two waist-shaped holes through two fixed handles. By loosening the fixed handles, the left limit plate 13 for carton conveying and the right limit plate 12 for carton conveying can be adjusted left and right, so that the left and right positions of the home improvement cartons 9 can be adjusted for better positioning, which is convenient for subsequent accurate packing and overflow prevention.

[0031] The carton intercepting and positioning plate 10 is made of thickened steel plate by cutting, welding and punching. The carton intercepting and positioning plate 10 is connected and fixed to the movable block of the carton positioning cylinder 20 by two hexagon socket screws. The carton positioning cylinder 20 is connected and fixed to the carton roller conveyor 11 by four hexagon socket screws. The photoelectric sensor mounting bracket 21 is made of bent and punched steel plate. The photoelectric sensor mounting bracket 21 is connected and fixed to the carton roller conveyor 11 by two hexagon socket screws. The carton sensing diffuse reflection photoelectric sensor 22 is connected and fixed to the photoelectric sensor mounting bracket 21 by two hexagon socket screws. The sensing reflector 19 is connected and fixed to the carton roller conveyor 11 by two hexagon socket screws. The sensing reflector 19 and the carton sensing diffuse reflection photoelectric sensor 22 are used together to accurately sense the home improvement cartons 9 and thus control the subsequent carton positioning cylinder movements.

[0032] The main working mode of the device of the utility model is that it is composed of a set bagged finished product belt conveyor 5, a gate cylinder fixing frame 6, an anti-overflow box cylinder 15, an anti-overflow box fixing plate 18, etc., which is fixed to the movable block of the anti-overflow box cylinder 15 through the anti-overflow box fixing plate 18, and is driven by the anti-overflow box cylinder 15 to move up and down to form a highly practical household bagged pipe fitting conveying and packing anti-overflow box device.

[0033] The specific implementation process of the utility model device during production is as follows: First, the fixed handles on the left and right limit plates 13 and 12 of the carton conveyor are loosened. Then, the left and right distances of the left and right limit plates 13 and 12 of the carton conveyor are adjusted so that the home improvement carton 9 is conveyed to the limit position and intercepted by the carton interception positioning plate 10, and then it is directly below the anti-overflow box pressure plate 14. Then, the fixed handles are locked. Next, the device is started. The home improvement carton 9 discharged from the carton unpacking machine is driven forward by the carton roller conveyor 11 and passes through the limit plates 13 and 12 of the carton conveyor, so that the left and right positions of the home improvement carton 9 are consistent. When the home improvement carton 9 is conveyed forward, it is detected by the carton sensing diffuse reflection photoelectric sensor 22. The carton positioning cylinder 20 drives the carton interception positioning plate 10 to move upward to intercept the home improvement carton 9. At the same time, the carton roller conveyor 11 stops, and the home improvement carton 9 is now directly below the anti-overflow box pressure plate 14. At the same time, the finished product 17 of the household pipe fittings bagged from the front-end large-bag packaging machine is conveyed from the left by the front-end conveying mechanism. After being counted by the counting grating sensor emitter 3 and the counting grating sensor receiver 2, it is driven by the bagged product belt conveyor 5 to the right and intercepted by the interception gate 7. When the counts of the counting grating sensor emitter 3 and the counting grating sensor receiver 2 reach the set value, that is, when the interception gate 7 has buffered the fixed required number of packages, the gate cylinder 16 drives the interception gate 7 to rise, and the fixed number of finished household pipe fittings bagged 17 falls along the bagged product guide slide 8 into the household paper box 9. Then the gate cylinder 16 drives the interception gate 7 to move down to continue intercepting. At the same time, the anti-overflow box cylinder 15 drives the anti-overflow box fixed plate 18 and the upper mechanism downward. Under the buffering of the front buffer spring 26 and the rear buffer spring 27, the anti-overflow box pressure plate 14 slowly presses the finished product 17 of the home improvement pipe fittings bagged into the home improvement carton 9 to release the gas in the bagged product. After the pressing is completed, the anti-overflow box cylinder 15 drives the anti-overflow box fixed plate 18 to move up and return to its original position. When the count value of the counting grating sensor transmitter 3 and the counting grating sensor receiver 2 reaches the set value again, the intercepting gate 7 is driven upward by the gate cylinder 16 to open, and the fixed number of finished product 17 of the home improvement pipe fittings bagged into the home improvement carton 9 falls along the bagged product guide slide 8 again. The anti-overflow box cylinder 15 drives the anti-overflow box pressure plate 14 again to press and exhaust the finished product 17 of the home improvement pipe fittings bagged into the home improvement carton 9, and this reciprocating cycle continues. When the number of finished bagged tubular components in carton 9 reaches the required number, carton positioning cylinder 20 drives carton interception plate 10 downward. Roller conveyor 11 then operates, moving carton 9, now filled with finished bagged tubular components, forward to the next stage for weighing, verification, and sealing. The system then waits for the next carton to arrive, transported by roller conveyor 11, for the next round of packing and overflow prevention. The system completes its operation.

[0034] The advantages of the utility model are: novel design and reasonable conception. It mainly has the functions of automatically limiting the conveyance of the finished household bagged pipe fittings 17 and the household paper box 9, counting and packing the household bagged pipe fittings, and sorting the packed household bagged pipe fittings to prevent the household bagged pipe fittings from overflowing after packing. At the same time, it has a simple structure, saves costs, has minimal dependence on the environment, is easy to operate, and is convenient to operate.

[0035] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A device for preventing overflow of bagged pipe fittings for household use, characterized in that: The invention comprises a bagged finished product belt conveyor (5), a counting grating sensor transmitter (3), a counting grating sensor receiver (2), a gate cylinder fixing frame (6), a gate cylinder (16), an intercepting gate (7), a bagged finished product guide slide plate (8), an anti-overflow box component and a carton conveying and intercepting positioning component, wherein the gate cylinder (16) and the intercepting gate (7) are used to intercept the bagged finished product (17) of home improvement pipe fittings conveyed on the bagged finished product belt conveyor (5), the carton conveying and intercepting positioning component is used to convey and intercept and position the home improvement cartons (9), and the anti-overflow box component is used to perform an anti-overflow box operation on the bagged finished product (17) of home improvement pipe fittings packed in the home improvement cartons (9) to prevent the product from overflowing the box.

2. The device for preventing overflow of bagged pipe fittings for household use according to claim 1 is characterized in that: The bagged finished product belt conveyor (5) comprises an integral frame, a conveying motor, a low-friction conveying belt, a bearing and a rotating shaft; a front bagged finished product conveying limiting plate (4) and a rear bagged finished product conveying limiting plate (1) are respectively provided on the front and rear sides of the bagged finished product belt conveyor (5); the front bagged finished product conveying limiting plate (4) and the rear bagged finished product conveying limiting plate (1) are respectively connected and fixed to the bagged finished product belt conveyor (5) through two fixed handles, and are used for conveying and limiting the bagged finished product (17) of the home improvement pipe fittings to prevent it from running off the bagged finished product belt conveyor (5) and affecting the stability of the packing quantity.

3. The device for preventing overflow of bagged pipe fittings for household use according to claim 2 is characterized in that: The counting grating sensor transmitter (3) is connected and fixed to the front bagged finished product conveying limit plate (4), and the counting grating sensor receiver (2) is connected and fixed to the rear bagged finished product conveying limit plate (1). The counting grating sensor transmitter (3) and the counting grating sensor receiver (2) are used to sense the bagged finished products (17) of home improvement pipe fittings and count them, thereby controlling the interception, boxing, and overflow prevention actions of the rear end.

4. The device for preventing overflow of bagged pipe fittings for household use according to claim 1 is characterized in that: The gate cylinder fixing frame (6) is connected and fixed to the bagged finished product belt conveyor (5); the gate cylinder (16) is connected and fixed to the gate cylinder fixing frame (6); and the intercepting gate (7) is connected and fixed to the movable block of the gate cylinder (16).

5. The device for preventing overflow of bagged pipe fittings for household use according to claim 4 is characterized in that: The overflow prevention box assembly comprises an overflow prevention box cylinder (15), an overflow prevention box fixing plate (18), an overflow prevention box pressure plate (14), a front guide shaft (23), a rear guide shaft (30), a front fixing ring (24), a rear fixing ring (29), a front buffer spring (26), a rear buffer spring (27), a front linear bearing (25) and a rear linear bearing (28); the overflow prevention box cylinder (15) is connected and fixed to the gate cylinder fixing frame (6); the overflow prevention box fixing plate (18) is connected and fixed to the movable block of the overflow prevention box cylinder (15); the front linear bearing (25) and the rear linear bearing (28) are respectively connected and fixed to the overflow prevention box fixing plate (18); the front guide shaft (23) is inserted into the front linear bearing (26 ... The bottom of the bearing (25) is connected to the anti-overflow box pressure plate (14) by a thread, and the top is fixed and limited by the front fixing ring (24). The front buffer spring (26) is sleeved on the front guide shaft (23) and is externally arranged between the anti-overflow box fixing plate (18) and the anti-overflow box pressure plate (14) to provide a buffer for the downward pressure of the anti-overflow box pressure plate (14); the rear guide shaft (30) is inserted into the bottom of the rear linear bearing (28) and is connected to the anti-overflow box pressure plate (14) by a thread, and the top is fixed and limited by the rear fixing ring (29). The rear buffer spring (27) is sleeved on the rear guide shaft (30) and is externally arranged between the anti-overflow box fixing plate (18) and the anti-overflow box pressure plate (14) to provide a buffer for the downward pressure of the anti-overflow box pressure plate (14).

6. The device for preventing overflow of bagged pipe fittings for household use according to claim 1 is characterized in that: A layer of polytetrafluoroethylene slide is fixed to the upper surface of the bagged finished product guide slide (8) by means of hexagon socket screws; the bagged finished product guide slide (8) is arranged at the end of the bagged finished product belt conveyor (5) and is used to guide the bagged finished product of the home improvement pipe fittings (17) to ensure that it slides into the home improvement carton (9).

7. The device for preventing overflow of bagged pipe fittings for household use according to claim 1 is characterized in that: The carton conveying and intercepting positioning assembly comprises a carton roller conveyor (11), a carton positioning cylinder (20), a carton intercepting positioning plate (10), a carton inductive diffuse reflection photoelectric sensor (22), an inductive reflective plate (19) and a photoelectric sensor mounting frame (21); the carton roller conveyor (11) is assembled from an integral frame, a conveying roller, a conveying motor and a chain; a carton conveying left limit plate (13) and a carton conveying right limit plate (12) are provided on the carton roller conveyor (11), each of which has two waist-shaped holes; the carton conveying left limit plate (13) and the carton conveying right limit plate (12) are fixedly connected to the carton roller conveyor (11) on the two waist-shaped holes through two fixed handles; the carton positioning cylinder (20) is provided at the bottom of the carton roller conveyor (11).

8. The device for preventing overflow of bagged pipe fittings for household use according to claim 7 is characterized in that: The carton intercepting positioning plate (10) is connected and fixed to the movable block of the carton positioning cylinder (20); the carton positioning cylinder (20) is connected and fixed to the carton roller conveyor (11); the photoelectric sensor mounting frame (21) is connected and fixed to the carton roller conveyor (11); the carton inductive diffuse reflection photoelectric sensor (22) is connected and fixed to the photoelectric sensor mounting frame (21); the inductive reflective plate (19) is connected and fixed to the carton roller conveyor (11), and the inductive reflective plate (19) and the carton inductive diffuse reflection photoelectric sensor (22) are used in combination to accurately sense the home improvement carton (9) so as to control the subsequent carton positioning cylinder movement.

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