A stackable paper box running tray

Abstract

The present invention relates to the technical field of assembly line devices, and specifically discloses a stackable paper box operation tray, wherein the top surface of the concave part of the middle concave bracket corresponding to the packaging position of the conveyor frame is respectively connected with two end brackets near the two ends, the top of the middle bracket in the middle of the concave part of the middle concave bracket is connected with horizontal connecting plates on both sides, the outer ends of the top surface of the horizontal connecting plate are connected with baffles, the belt pressing roller is rotatably installed on the inner wall of the concave part of the middle concave bracket, the push block is evenly connected to the center line of the conveyor belt, the middle part of the bottom surface of the tray is slidably connected to the push block along the longitudinal direction, the proximity sensor is installed below the outer side of the baffle corresponding to the conveying upward direction, the two end brackets are provided with chain transmission mechanisms, the two ends of the middle part of the support part are vertically rotatably connected to the transmission chain, and the bottom surface of the middle part of the support part is provided with a balancing column to keep the support part in a horizontal state; the problem that the paper boxes transported by the assembly line conveyor device are easily piled up at the packaging station and fall off and affect the packaging work is solved.

Description

Technical Field

[0001] The invention relates to the technical field of assembly line devices, in particular to a stackable paper box running tray. Background Art

[0002] As it can greatly improve work efficiency and output, assembly lines are widely used in processing plants. According to the conveying method of the assembly line, it can be roughly divided into seven types of assembly lines: belt assembly line, plate chain line, double-speed chain, plug-in line, mesh belt line, suspension line and roller assembly line. Generally, it consists of traction parts, load-bearing components, drive devices, tensioning devices, redirecting devices and supporting parts. The assembly line has high scalability and can design the conveying volume, conveying speed, assembly stations, auxiliary components (including quick connectors, fans, lights, sockets, process boards, storage tables, 24V power supplies, air batches, etc.) according to demand, so it is widely welcomed by enterprises; the assembly line is an effective combination of man and machine, which fully reflects the flexibility of the equipment. It organically combines the conveying system, accompanying fixtures and online special machines and testing equipment to meet the conveying requirements of multiple varieties of products. The transmission mode of the conveyor line can be synchronous transmission / (mandatory) or asynchronous transmission / (flexible). According to the configuration selection, the assembly and conveying requirements can be achieved. The conveyor line is indispensable in the batch production of enterprises.

[0003] Some commodities need to be packaged in cartons after production and processing, so it is necessary to add a carton conveying mechanism. The cartons required for packaging are usually transported to the packaging station through an assembly line conveyor to facilitate the continuous packaging process. However, at the packaging station, the packaging speed usually lags behind the speed of carton transportation, resulting in the accumulation of cartons at the packaging station, which is not only easy to fall, but also affects the work of the packaging station. Summary of the invention

[0004] The present invention designs a stackable paper box running tray to solve the problem in the prior art that paper boxes transported by an assembly line conveying device are easily piled up at a packaging station, causing them to fall and affect packaging work.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a stackable carton operation tray, comprising a conveyor frame, rollers and a conveyor belt, and also comprising a middle concave bracket, a belt pressing roller, a tray, a push block, a proximity sensor, a sprocket and a support part, wherein the middle concave bracket is arranged at a position of the conveyor frame corresponding to a packaging station, and the positions near the two ends of the top surface of the concave part of the middle concave bracket are respectively vertically fixedly connected with the two end brackets, and the middle position of the top surface of the concave part of the middle concave bracket is vertically fixedly connected with the middle bracket, and the two sides of the top end of the middle bracket are respectively vertically fixedly connected with horizontal connecting plates, and the outer ends of the top surface of the horizontal connecting plate are respectively vertically fixedly connected with baffles;

[0006] Wherein, the belt holding roller is rotatably mounted on the inner wall of the concave portion of the middle concave bracket, and the belt holding roller makes the conveyor belt in a concave state at the position of the middle concave bracket;

[0007] Wherein, the push block is evenly and fixedly connected to the center line position of the conveyor belt;

[0008] The center position of the bottom surface of the tray is slidably connected to the push block in the longitudinal direction;

[0009] Wherein, the proximity sensor is installed below the outer side of the baffle corresponding to the upward conveying direction;

[0010] The sprockets are rotatably mounted on the top and bottom ends of the inner walls of the two end brackets, and transmission chains are sequentially connected between the four sprockets located in the same vertical plane. Drive motors for driving the sprockets to rotate are installed on the two end brackets.

[0011] Wherein, the two ends of the middle part of the support part are respectively connected to the corresponding transmission chain in a vertical rotation manner, and the bottom surface of the middle part of the support part is provided with a balancing column to keep the support part in a horizontal state, and the top surface of one of the support parts is flush with the bottom surface of the tray;

[0012] The distance between the outer side surface of the baffle and the corresponding central axis of the transmission chain is equal to half of the longitudinal length of the tray, and the output end of the proximity sensor is electrically connected to the input end of the drive motor.

[0013] Preferably, a clamping block is fixedly connected to the center of the bottom surface of the tray, and the clamping block is slidably clamped with the push block along the longitudinal direction.

[0014] Preferably, the pushing block includes an end pushing block and a clamping block, the bottom surface of the clamping block is fixedly connected to the center line position of the upper surface of the conveyor belt, the middle part of one side surface of the end pushing block is fixedly connected to the side surface of the clamping block corresponding to the upper transport direction, and the middle part of the bottom surface of the clamping block body is longitudinally provided with an open groove for slidingly clamping with the clamping block.

[0015] Preferably, belt holding rollers are rotatably mounted on the inner walls of the concave portion of the middle concave bracket close to both ends, and the belt holding rollers make the conveyor belt at the position of the middle concave bracket present an inverted isosceles trapezoidal shape.

[0016] Preferably, a central groove is provided in a ring shape in the middle of the belt holding roller, the width of the central groove is greater than the width of the push block, and the depth of the central groove is greater than the height of the push block.

[0017] Preferably, the middle bracket is fixedly connected to a support rod at a position below the horizontal connecting plate, and the proximity sensor is fixedly installed at an end position of the support rod.

[0018] Preferably, the front end and the rear end of the top surface of the tray are respectively vertically fixedly connected to limit plates.

[0019] Preferably, the support portion also includes a strip plate and a rotating shaft, and the number of the strip plates is four. The middle part of the bottom surface of the strip plate is vertically fixedly connected to the top end of the balancing column, and the net distance between the two strip plates located in the middle position is greater than the width of the clamping block. The rotating shafts are respectively rotatably sleeved on the top positions of the front and back sides of the balancing column, and the rotating shafts are respectively vertically rotatably connected to the corresponding transmission chains.

[0020] Preferably, the transmission chain is fixedly connected with connection blocks at positions corresponding to the rotating shaft, and a shaft hole rotatably sleeved with the rotating shaft is opened in the middle of the connection block.

[0021] Preferably, rollers are vertically rotatably installed between the two strip plates at the front end of the support portion and between the two strip plates at the rear end of the support portion, and the top ends of the rollers are flush with the bottom surface of the tray.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The pallet involved in the present invention carries the paper box for transportation under the pushing action of the pushing block; when the pallet runs to the middle concave bracket position, the pallet slides to the top of the support part under the action of inertia, and stops when the end of the pallet touches the baffle. At this time, the proximity sensor senses the pallet, thereby pneumatically driving the motor, so that the driving motor drives the transmission chain to operate, so that the support part supports the pallet to move upward, completing the stacking storage of the pallets, thereby avoiding the problem of paper boxes piling up at the packaging station and falling and affecting the packaging work. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the main structure of the present invention as a whole;

[0025] Figure 2 It is a schematic diagram of the three-dimensional structure of the belt pressing roller of the present invention;

[0026] Figure 3 It is a schematic diagram of the three-dimensional structure of the tray of the present invention;

[0027] Figure 4 It is a schematic diagram of the three-dimensional structure of the push block of the present invention;

[0028] Figure 5 It is a schematic diagram of the main structure of the support part of the present invention;

[0029] Figure 6 It is a schematic diagram of the top view of the support part of the present invention;

[0030] Figure 7 It is a schematic diagram of the three-dimensional structure of the connecting block of the present invention.

[0031] In the figure: 10-conveying frame; 11-roller; 12-conveying belt; 20-middle concave bracket; 21-end brackets; 22-middle bracket; 23-horizontal connecting plate; 24-baffle; 25-support rod; 30-belt pressing roller; 31-middle groove; 40-tray; 41-clamping block; 411-opening groove; 42-limiting plate; 50-lifting block; 51-end lifting block; 52-clamping block; 60-proximity sensor; 70-sprocket; 71-driving motor; 72-transmission chain; 80-support part; 81-strip plate; 82-balance column; 83-rotating shaft; 84-roller; 90-connecting block; 91-axis hole. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-7 The present invention provides a technical solution, a stackable carton operation tray, comprising a conveyor frame 10, a roller 11 and a conveyor belt 12, and also comprising a middle concave bracket 20, a belt pressing roller 30, a tray 40, a push block 50, a proximity sensor 60, a sprocket 70 and a support portion 80, wherein the middle concave bracket 20 is arranged at a position of the conveyor frame 10 corresponding to the packaging station, and the positions near the two ends of the top surface of the concave part of the middle concave bracket 20 are respectively vertically fixedly connected with the two end brackets 21, and the middle position of the top surface of the concave part of the middle concave bracket 20 is vertically fixedly connected with the middle bracket 22, and the two sides of the top of the middle bracket 22 are respectively vertically fixedly connected with the horizontal connecting plate 23, and the outer end positions of the top surface of the horizontal connecting plate 23 are respectively vertically fixedly connected with the baffle 24;

[0034] The belt holding roller 30 is rotatably mounted on the inner wall of the concave portion of the middle concave bracket 20, and the belt holding roller 30 makes the conveyor belt 12 in a concave state at the position of the middle concave bracket 20;

[0035] The push block 50 is evenly fixedly connected to the center line of the conveyor belt 12;

[0036] The center of the bottom surface of the tray 40 is slidably connected to the push block 50 in the longitudinal direction;

[0037] The proximity sensor 60 is installed below the outer side of the baffle 24 corresponding to the upward conveying direction;

[0038] The sprockets 70 are rotatably mounted on the top and bottom of the inner wall of the two end brackets 21, and a transmission chain 72 is sequentially connected between the four sprockets 70 located in the same vertical plane. A driving motor 71 for driving the sprockets 70 to rotate is installed on the two end brackets 21;

[0039] The two ends of the middle part of the support part 80 are respectively connected to the corresponding transmission chain 72 in a vertical rotation manner, and the bottom surface of the middle part of the support part 80 is provided with a balancing column 82 to keep the support part 80 in a horizontal state, and the top surface of one of the support parts 80 is flush with the bottom surface of the tray 40;

[0040] The distance between the outer side surface of the baffle 24 and the central axis of the corresponding transmission chain 72 is equal to half of the longitudinal length of the tray 40 , and the output end of the proximity sensor 60 is electrically connected to the input end of the driving motor 71 .

[0041] In this embodiment, a clamping block 41 is fixedly connected to the center of the bottom surface of the tray 40 , and the clamping block 41 is slidably clamped with the push block 50 along the longitudinal direction.

[0042] In this embodiment, the pushing block 50 includes an end pushing block 51 and a clamping block 52. The bottom surface of the clamping block 52 is fixedly connected to the center line position of the upper surface of the conveyor belt 12. The middle part of one side surface of the end pushing block 51 is fixedly connected to the side surface of the clamping block 52 corresponding to the upper transport direction. The middle part of the bottom surface of the clamping block body 41 is longitudinally provided with an open groove 411 for slidingly clamping with the clamping block 52.

[0043] In this embodiment, belt holding rollers 30 are rotatably mounted on the inner walls of the concave portion of the middle concave bracket 20 near both ends, and the belt holding rollers 30 make the conveyor belt 12 at the position of the middle concave bracket 20 present an inverted isosceles trapezoidal shape.

[0044] In this embodiment, a central groove 31 is formed in a ring shape in the middle of the belt holding roller 30 . The width of the central groove 31 is greater than the width of the push block 50 , and the depth of the central groove 31 is greater than the height of the push block 50 .

[0045] In this embodiment, the middle bracket 22 is fixedly connected to the support rod 25 at a position below the horizontal connecting plate 23 , and the proximity sensor 60 is fixedly installed at the end position of the support rod 25 .

[0046] In this embodiment, the front end and the rear end of the top surface of the tray 40 are respectively vertically fixedly connected to the limit plates 42 .

[0047] In this embodiment, the support portion 80 also includes a strip plate 81 and a rotating shaft 83. There are four strip plates 81. The middle of the bottom surface of the strip plate 81 is vertically fixedly connected to the top of the balance column 82, and the net distance between the two strip plates 81 located in the middle position is greater than the width of the clamping block 41. The rotating shaft 83 is respectively rotatably sleeved on the top position of the front and back sides of the balance column 82, and the rotating shaft 83 is respectively vertically rotatably connected to the corresponding transmission chain 72.

[0048] In this embodiment, the transmission chain 72 is fixedly connected with connection blocks 90 at positions corresponding to the rotating shaft 83 , and a shaft hole 91 rotatably sleeved with the rotating shaft 83 is opened in the middle of the connection block 90 .

[0049] In this embodiment, rollers 84 are vertically rotatably installed between the two strip plates 81 at the front end of the support portion 80 and between the two strip plates 81 at the rear end of the support portion 80 , and the top ends of the rollers 84 are flush with the bottom surface of the tray 40 .

[0050] Working principle: when in use, a paper box is carried on the tray 40, and the limiting plate 42 limits the paper box in the middle of the top surface of the tray 40; the opening groove 411 of the clamping block 41 is clamped on the clamping block 52, and the end top block 51 pushes the side of the clamping block 41 under the drive of the conveying belt 12, so that the tray 40 can be conveyed by the conveying belt 12 at any time; when the tray 40 is conveyed to the end position of the middle concave bracket 20, the tray 40 slides to the top surface of the support part 80 under the action of inertia, and the clamping block 52 disengages from the opening groove 411; the setting of the roller 84 allows the tray 40 to slide smoothly on the top surface of the support part 80; the end of the tray 40 stops when it touches the baffle 24; at this time, the proximity sensor 60 senses the tray 40, thereby controlling the drive motor 71 to operate a certain angle through an electrical signal; the sprocket 70 drives the transmission chain 72 to run a certain distance, The support part 80 supporting the pallet 40 is lifted up, so that the next support part 80 moves to the original position of the lifted support part 80, so that the next support part can receive the next pallet 40; and so on, the pallets 40 are stacked and stored on the support part 80; due to the balancing effect of the balancing column 82, the top surface of the support part 80 is always in a horizontal state, thereby ensuring that the pallet 40 will not slide when the support part 80 moves horizontally on the top of the two end brackets 21; the packaging station directly takes the pallet 40 from the support part 80, and can box and package the product on the pallet 40. After boxing and packaging, the pallet 40 is placed in the middle position of the transmission belt 12 on the other side of the middle concave bracket 20, and the pushing block 50 on the transmission belt 12 is re-engaged with the clamping block 41 on the bottom surface of the pallet 40 to push the pallet 40 for further transportation.

[0051] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stackable carton running tray, comprising a conveyor frame (10), a roller (11) and a conveyor belt (12), characterized in that: Also includes: a middle concave bracket (20); Belt pressing roller (30); Tray (40); A push block (50); ProximitySensor(60); The sprocket (70) and A support portion (80), wherein the middle concave bracket (20) is arranged at a position of the conveyor frame (10) corresponding to the packaging station, and the positions near the two ends of the top surface of the concave portion of the middle concave bracket (20) are respectively vertically fixedly connected to the two end brackets (21), and the middle position of the top surface of the concave portion of the middle concave bracket (20) is vertically fixedly connected to the middle bracket (22), and the two sides of the top end of the middle bracket (22) are respectively vertically fixedly connected to the horizontal connecting plates (23), and the outer end positions of the top surface of the horizontal connecting plate (23) are respectively vertically fixedly connected to the baffle plates (24); The belt holding roller (30) is rotatably mounted on the inner wall of the concave portion of the middle concave bracket (20), and the belt holding roller (30) causes the conveyor belt (12) to be in a concave state at the position of the middle concave bracket (20); Wherein, the push block (50) is evenly and fixedly connected to the center line position of the conveyor belt (12); The center position of the bottom surface of the tray (40) is slidably engaged with the push block (50) in the longitudinal direction; Wherein, the proximity sensor (60) is installed below the outer side of the baffle (24) corresponding to the upstream direction of conveying; The sprockets (70) are rotatably mounted on the top and bottom ends of the inner walls of the two end brackets (21), and transmission chains (72) are sequentially connected between the four sprockets (70) located in the same vertical plane. A driving motor (71) for driving the sprockets (70) to rotate is mounted on the two end brackets (21); The two ends of the middle portion of the support portion (80) are respectively connected to the corresponding transmission chain (72) in a vertical rotational manner, and the bottom surface of the middle portion of the support portion (80) is provided with a balancing column (82) for maintaining the support portion (80) in a horizontal state, wherein the top surface of one of the support portions (80) is flush with the bottom surface of the tray (40); the support portion (80) further comprises a strip plate (81) and a rotating shaft (83), wherein the number of the strip plates (81) is four, the middle portion of the bottom surface of the strip plate (81) is vertically fixedly connected to the top end of the balancing column (82), the rotating shaft (83) is respectively rotatably sleeved on the top end positions of the front and back sides of the balancing column (82), and the transmission chain (72) is respectively fixedly connected with a connecting block (90) at a position corresponding to the rotating shaft (83), and the middle portion of the connecting block (90) is provided with an axis hole (91) rotatably sleeved with the rotating shaft (83); The distance between the outer side surface of the baffle (24) and the corresponding central axis of the transmission chain (72) is equal to half the longitudinal length of the tray (40), and the output end of the proximity sensor (60) is electrically connected to the input end of the drive motor (71).

2. The stackable carton running tray according to claim 1, characterized in that: A clamping block (41) is fixedly connected to the center of the bottom surface of the tray (40), and the clamping block (41) is slidably clamped with the push block (50) in the longitudinal direction.

3. The stackable carton running tray according to claim 2, characterized in that: The push block (50) comprises: The end top block (51) and A clamping block (52), wherein the bottom surface of the clamping block (52) is fixedly connected to the center line position of the upper surface of the conveying belt (12), the middle portion of one side surface of the end top block (51) is fixedly connected to the side surface of the clamping block (52) corresponding to the upstream conveying direction, and the middle portion of the bottom surface of the clamping block body (41) is longitudinally provided with an open groove (411) for slidingly clamping with the clamping block (52).

4. The stackable carton running tray according to claim 1, characterized in that: Belt holding rollers (30) are rotatably mounted on the inner walls of the concave portion of the middle concave bracket (20) close to both ends, and the belt holding rollers (30) cause the conveying belt (12) at the position of the middle concave bracket (20) to be in an inverted isosceles trapezoidal shape.

5. A stackable carton running tray according to any one of claims 1 to 4, characterized in that: A central groove (31) is provided in a ring shape in the middle of the belt holding roller (30); the width of the central groove (31) is greater than the width of the push block (50); and the depth of the central groove (31) is greater than the height of the push block (50).

6. The stackable carton running tray according to claim 1, characterized in that: The middle bracket (22) is fixedly connected to a support rod (25) at a position below the horizontal connecting plate (23), and the proximity sensor (60) is fixedly mounted at the end of the support rod (25).

7. The stackable carton running tray according to claim 5, characterized in that: The front end and the rear end of the top surface of the tray (40) are respectively vertically fixedly connected to the limiting plates (42).

8. The stackable carton running tray according to claim 7, characterized in that: The clear distance between the two strip plates (81) located in the middle is greater than the width of the clamping block (41).

9. The stackable carton running tray according to claim 8, characterized in that: Rollers (84) are respectively installed vertically and rotatably between the two strip plates (81) at the front end of the support portion (80) and between the two strip plates (81) at the rear end of the support portion (80), and the top ends of the rollers (84) are flush with the bottom surface of the tray (40).

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