CN212422310U

CN212422310U - Crease forming machine for high-strength environment-friendly composite paperboard box

Info

Publication number: CN212422310U
Application number: CN202020658003.5U
Authority: CN
Inventors: 李卡卡
Original assignee: Suzhou Changjiu Packaging Materials Co ltd
Current assignee: Suzhou Changjiu Packaging Materials Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-01-29
Anticipated expiration: 2030-04-27

Abstract

A crease forming machine for a high-strength environment-friendly composite carton belongs to the technical field of preparation and application of novel functional polymer materials and comprises a front conveying assembly, a rear conveying assembly and a carton board crease forming assembly, wherein the front conveying assembly, the carton board crease forming assembly and the rear conveying assembly are arranged in a row; the carton board crease forming assembly comprises a U-shaped support frame, two vertical lifting assemblies, a crease forming pressing plate, a first carton board supporting block and a second carton board supporting block, wherein the two vertical lifting assemblies are symmetrically arranged, a gap is formed between the first carton board supporting block and the second carton board supporting block, the crease forming pressing plate is located right above the gap, and the crease forming pressing plate can be pressed into the gap. The utility model discloses a compound cardboard box crease make-up machine of high strength environmental protection, compact structure, easy operation is used for can being suitable for not unidimensional cardboard moreover for the cardboard after the crease shaping is folded into the cardboard board later stage production and processing of being convenient for more, and work efficiency is high simultaneously.

Description

Crease forming machine for high-strength environment-friendly composite paperboard box

Technical Field

The utility model belongs to the technical field of novel functional polymer material's preparation and application, specifically, relate to a high strength environmental protection composite cardboard case crease make-up machine.

Background

At present, the carton is generally used for packing goods, the quality of the carton is related to the size, the notching and creasing quality of the carton and the thickness of the carton, and the carton sticking quality is easily ensured for the carton with good notching and creasing quality. For the paperboard or the thick paperboard with shallow indentation, the position of the crease is difficult to ensure to be correct due to the uncertainty of the corrugated position at the bending position in natural folding, and the box gluing quality is difficult to ensure. At present, creasing the cardboard is usually done manually by using special tools to make indentations on the cardboard, and the quality of the cardboard box is poor due to the poor quality of the indentations on the cardboard surface caused by different workers.

The current chinese patent with an authority bulletin number of CN10462665 discloses a novel cardboard creasing machine device, which comprises a support, a first arranging device and a second arranging device, wherein the first arranging device comprises an inner arranging wheel, a wheel shaft of the inner arranging wheel is arranged on the support, the second arranging device comprises an outer arranging wheel, a wheel shaft of the outer arranging wheel is arranged on the support, a flanging structure is arranged on the upper part of the outer arranging wheel, and the inner arranging wheel is obliquely arranged towards the flanging structure and an included angle formed by the outer arranging wheel. Through the contained angle position that interior arrangement wheel slope formed towards flange structure and outer arrangement wheel, the cardboard can be by the contained angle position department that interior arrangement wheel extruded at outer arrangement wheel, owing to need not artifical application force, can ensure that the indentation on the cardboard is shallow even, produces the accurate indentation line in position on the cardboard, can bond into high-quality cardboard case with the cardboard along the indentation line, realizes having improved the indentation quality of cardboard to improve the quality of cardboard case.

However, the above prior art solutions have the following drawbacks: the carton board can not be automatically transported, and the indentation of the carton board needs to be manually transported, which wastes part of manpower.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a compound cardboard box crease make-up machine of high strength environmental protection has solved prior art, carries out the cardboard board crease forming process, adopts the manpower to carry and the shaping, and work efficiency is low to the amount of labour is big, can not guarantee the problem of crease quality.

The technical scheme is as follows: the utility model provides a high-strength environment-friendly composite cardboard box crease forming machine, which comprises a front conveying component, a rear conveying component and a cardboard box crease forming component, wherein the front conveying component, the cardboard box crease forming component and the rear conveying component are arranged in a row, and the front conveying component and the rear conveying component are symmetrically arranged at two sides of the cardboard box crease forming component; the carton board crease forming component comprises a U-shaped support frame, two symmetrically arranged vertical lifting components, a crease forming press plate, a first carton board support block and a second carton board support block, wherein the two symmetrically arranged vertical lifting components are arranged on the U-shaped support frame, the U-shaped support frame is arranged between the tail end of the front conveying component and the starting end of the rear conveying component, the crease forming press plate is fixedly connected with the two symmetrically arranged vertical lifting components, the first carton board support block is fixedly arranged at the tail end of the front conveying component, the second carton board support block is fixedly arranged at the starting end of the rear conveying component, the first carton board support block and the second carton board support block are positioned at two sides of the crease forming press plate, the first carton board support block and the second carton board support block are symmetrically arranged, and a gap is arranged between the first carton board support block and the second carton board support block, the crease forming pressing plate is positioned right above the gap and can be pressed into the gap. The utility model discloses a compound cardboard box crease make-up machine of high strength environmental protection, compact structure, easy operation is used for can being suitable for not unidimensional cardboard moreover for the cardboard after the crease shaping is folded into the cardboard board later stage production and processing of being convenient for more, and work efficiency is high simultaneously.

Further, the high-strength environment-friendly composite carton crease forming machine comprises a vertical lifting assembly, a vertical lifting cylinder, a connecting rod, an adapter, a gear, a fixed rack, a vertical lifting rack, an upper rack guide sleeve and a lower rack guide sleeve, wherein the vertical lifting assembly comprises the vertical supporting plate, the vertical lifting cylinder, the connecting rod, the adapter, the gear, the fixed rack, the vertical lifting rack, the upper rack guide sleeve and the lower rack guide sleeve, the vertical supporting plate is fixedly arranged on a U-shaped supporting frame, the vertical lifting cylinder is fixedly arranged on a middle cross beam of the U-shaped supporting frame, a piston rod of the vertical lifting cylinder is hinged with the upper end part of the connecting rod, the lower end part of the connecting rod is hinged with the adapter, the gear is arranged on the adapter through a bearing, the fixed rack, the upper rack guide sleeve and the lower rack guide sleeve are fixedly arranged on a vertical surface of the vertical supporting plate, the gear is arranged between the fixed rack and the vertical lifting rack, and the gear is meshed with both the fixed rack and the vertical lifting rack. The vertical lifting structure of the west boundary ditch is adopted, the lifting of the crease forming pressing plate can be stably carried out, and the operation is stable and reliable.

Furthermore, according to the crease forming machine for the high-strength environment-friendly composite paperboard box, the two symmetrically-arranged vertical lifting assemblies are respectively arranged close to the vertical upright posts of the U-shaped support frame, and the crease forming press plate is fixedly arranged at the lower end part of the vertical lifting rack.

Furthermore, according to the crease forming machine for the high-strength environment-friendly composite cardboard box, the cross section of the crease forming press plate is arranged in a conical shape, and the lower end part of the crease forming press plate is in a semicircular shape. The end of the pressing plate is formed by the semicircular crease, so that the crease can be folded, and the carton board cannot be cut.

Furthermore, according to the crease forming machine for the high-strength environment-friendly composite paperboard box, the reinforcing rib plate is arranged between the lower end part of the vertical lifting rack and the upper end face of the crease forming press plate. The strength of connection is improved by the arranged reinforcing rib plates.

Furthermore, foretell high strength environmental protection composite cardboard case crease make-up machine, preceding conveying component and back conveying component all include conveyer belt support frame, driving motor, speed reducer, conveyer belt body and a set of conveying roller, driving motor, speed reducer and a set of conveying roller all set up on the conveyer belt support frame, driving motor and speed reducer are connected, the speed reducer can drive a set of conveying roller and rotate, the conveyer belt body cover is established on a set of conveying roller.

Furthermore, according to the crease forming machine for the high-strength environment-friendly composite paperboard box, a group of limiting support frames are arranged on the two side walls of the conveying belt support frame along the conveying direction of the conveying belt body, the group of limiting support frames are arranged at intervals, and limiting baffle plates are arranged at the end parts, close to the conveying belt body, of the group of limiting support frames. The supporting of carrying out spacing baffle can be stably carried out to the spacing support frame that sets up, and the spacing of carton board can be carried out from both sides to the spacing baffle that two symmetries set up, prevents that carton board position from deviating from.

Furthermore, according to the crease forming machine for the high-strength environment-friendly composite paperboard box, the guide plates are arranged at the starting ends of the limiting baffle plates, which are close to the front conveying assembly and the rear conveying assembly, and are inclined towards the direction far away from the conveying belt body. The deflector that sets up is the uncovered setting of splayed, is convenient for with between the leading-in relative limit baffle who sets up of carton board.

Furthermore, according to the crease forming machine for the high-strength environment-friendly composite cardboard box, the limiting support frame comprises a horizontal support block, a vertical support block, a first screw and a second screw, a first waist-shaped hole is formed in the horizontal support block, a second waist-shaped hole is formed in the vertical support block, the first screw can penetrate through the second waist-shaped hole to fix the vertical support block on the side wall of the conveyer belt support frame, the second screw can penetrate through the first waist-shaped hole to fix the horizontal support block on the upper end portion of the vertical support block, and the limiting baffle is fixedly connected with the end portion, close to the conveyer belt body, of the horizontal support block. The horizontal position of the height of the limit baffle can be adjusted through the horizontal supporting block and the vertical supporting block with the waist-shaped holes, so that the limit supporting frame is suitable for the use of carton boards with different thicknesses and widths.

Furthermore, according to the crease forming machine for the high-strength environment-friendly composite carton box, the starting ends of the front conveying assembly and the rear conveying assembly in the conveying direction are respectively provided with the first position sensing switch, and the tail ends of the front conveying assembly and the rear conveying assembly in the conveying direction are respectively provided with the second position sensing switch. The position of the carton board can be sensed by the first position sensing switch and the second position sensing switch.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: high strength environmental protection composite cardboard case crease make-up machine, through preceding conveying component and the back conveying component who sets up, can carry out the transport of carton board automatically in succession, do not need artificial intervention, the elevation structure of setting can drive crease shaping clamp plate and carry out the suppression of carton board crease according to the production structure in succession, and it is even to guarantee the crease, thereby realize the automatic crease processing to the carton board, overall structure is simple, reasonable, convenient operation, swift, degree of automation is high, production efficiency improves greatly.

Drawings

Fig. 1 is a schematic structural view of a crease forming machine for a high-strength environment-friendly composite cardboard box of the present invention;

fig. 2 is a schematic structural view of the carton board crease forming assembly of the present invention;

fig. 3 is a schematic structural view of the vertical lifting assembly of the present invention;

fig. 4 is a schematic structural view of the front conveying assembly or the rear conveying assembly of the present invention;

fig. 5 is a schematic structural view of the limiting support frame of the present invention.

In the figure: the device comprises a front conveying assembly 1, a conveying belt supporting frame 11, a driving motor 12, a speed reducer 13, a conveying belt body 14, a limiting supporting frame 15, a horizontal supporting block 151, a vertical supporting block 152, a first screw 153, a second screw 154, a first waist-shaped hole 155, a second waist-shaped hole 156, a limiting baffle 16, a guide plate 161, a conveying roller 17, a rear conveying assembly 2, a carton board crease forming assembly 3, a U-shaped supporting frame 31, two symmetrically arranged vertical lifting assemblies 32, a vertical supporting plate 321, a vertical lifting cylinder 322, a connecting rod 323, an adapter 324, a gear 325, a fixed rack 326, a vertical lifting rack 327, an upper rack guide sleeve 328, a lower rack guide sleeve 329, a crease forming pressing plate 33, a reinforcing rib plate 331, a first carton board supporting block 34, a second carton board supporting block 35, a gap 36, a first position sensing switch 10 and a second position sensing switch 20.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example one

The high-strength environment-friendly composite cardboard box crease forming machine shown in fig. 1 comprises a front conveying assembly 1, a rear conveying assembly 2 and a cardboard box crease forming assembly 3, wherein the front conveying assembly 1, the cardboard box crease forming assembly 3 and the rear conveying assembly 2 are arranged in a row, and the front conveying assembly 1 and the rear conveying assembly 2 are symmetrically arranged on two sides of the cardboard box crease forming assembly 3; wherein, the carton board crease forming component 3 shown in fig. 2 comprises a U-shaped supporting frame 31, two symmetrically arranged vertical lifting components 32, a crease forming pressing plate 33, a first carton board supporting block 34 and a second carton board supporting block 35, the two symmetrically arranged vertical lifting components 32 are both arranged on the U-shaped supporting frame 31, the U-shaped supporting frame 31 is arranged between the tail end of the front conveying component 1 and the start end of the rear conveying component 2, the crease forming pressing plate 33 is fixedly connected with the two symmetrically arranged vertical lifting components 32, the first carton board supporting block 34 is fixedly arranged on the tail end of the front conveying component 1, the second carton board supporting block 35 is fixedly arranged on the start end of the rear conveying component 2, the first carton board supporting block 34 and the second carton board supporting block 35 are positioned at two sides of the crease forming pressing plate 33, the first carton board supporting block 34 and the second carton board supporting block 35 are symmetrically arranged, a gap 36 is arranged between the first carton board supporting block 34 and the second carton board supporting block 35, the crease forming pressing plate 33 is positioned right above the gap 36, and the crease forming pressing plate 33 can be pressed into the gap 36.

The vertical lifting assembly 32 shown in fig. 3 includes a vertical support plate 321, a vertical lifting cylinder 322, a connecting rod 323, an adapter 324, a gear 325, a fixed rack 326, a vertical lifting rack 327, an upper rack guide sleeve 328 and a lower rack guide sleeve 329, wherein the vertical support plate 321 is fixedly disposed on the U-shaped support frame 31, the vertical lifting cylinder 322 is fixedly disposed on a middle cross beam of the U-shaped support frame 31, a piston rod of the vertical lifting cylinder 322 is hinged to an upper end portion of the connecting rod 323, a lower end portion of the connecting rod 323 is hinged to the adapter 324, the gear 325 is disposed on the adapter 324 through a bearing, the fixed rack 326, the upper rack guide sleeve 328 and the lower rack guide sleeve 329 are fixedly disposed on a vertical surface of the vertical support plate 321, the upper rack guide sleeve 328 and the lower rack guide sleeve 329 are sleeved on the vertical lifting rack 327, the fixed rack 326 and the vertical lifting rack 327 are disposed oppositely, the gear 325 is disposed between the fixed rack 326 and the vertical lifting rack 327, and the gear 325 is engaged with both the fixed rack 326 and the vertical lifting rack 327. The two symmetrically arranged vertical lifting components 32 are respectively arranged close to the vertical upright posts of the U-shaped support frame 31, and the crease forming press plate 33 is fixedly arranged on the lower end part of the vertical lifting rack 327. The cross section of the crease forming press plate 33 is arranged in a conical shape, and the lower end part of the crease forming press plate 33 is in a semicircular shape. A reinforcing rib plate 331 is arranged between the lower end of the vertical lifting rack 327 and the upper end face of the crease forming press plate 33.

Example two

As shown in fig. 4, each of the front conveying assembly 1 and the rear conveying assembly 2 includes a conveying belt support frame 11, a driving motor 12, a speed reducer 13, a conveying belt body 14, and a set of conveying rollers 17, the driving motor 12, the speed reducer 13, and the set of conveying rollers 17 are all disposed on the conveying belt support frame 11, the driving motor 12 is connected to the speed reducer 13, the speed reducer 13 can drive the set of conveying rollers 17 to rotate, and the conveying belt body 14 is sleeved on the set of conveying rollers 17. A set of limiting support frames 15 are arranged on two side walls of the conveying belt support frame 11 along the conveying direction of the conveying belt body 14, the set of limiting support frames 15 are arranged at intervals, and limiting baffle plates 16 are arranged at the end parts, close to the conveying belt body 14, of the set of limiting support frames 15. The starting ends of the limit baffles 16 close to the front conveying assembly 1 and the rear conveying assembly 2 are provided with guide plates 161, and the guide plates 161 are obliquely arranged in the direction far away from the conveying belt body 14.

EXAMPLE III

The position limiting support frame 15 shown in fig. 5 includes a horizontal support block 151, a vertical support block 152, a first screw 153 and a second screw 154, wherein a first waist-shaped hole 155 is formed in the horizontal support block 151, a second waist-shaped hole 156 is formed in the vertical support block 152, the first screw 153 can pass through the second waist-shaped hole 156 to fix the vertical support block 152 on the side wall of the conveyor belt support frame 11, the second screw 154 can pass through the first waist-shaped hole 155 to fix the horizontal support block 151 on the upper end portion of the vertical support block 152, and the position limiting baffle 16 is fixedly connected with the end portion of the horizontal support block 151 close to the conveyor belt body 14.

In addition, the starting ends of the front conveying assembly 1 and the rear conveying assembly 2 in the conveying direction are respectively provided with a first position sensing switch 10, and the tail ends of the front conveying assembly 1 and the rear conveying assembly 2 in the conveying direction are respectively provided with a second position sensing switch 20.

The utility model discloses a working principle of high strength environmental protection composite cardboard box crease make-up machine does:

the front conveying assembly 1 is manually or mechanically placed with a carton board, the carton board moves towards the carton board crease forming assembly 3 along with the front conveying assembly 1 and moves to a specified position, the front conveying assembly 1 and the rear conveying assembly 2 stop, the carton board crease forming assembly 3 starts to work to fold and press the carton board, the vertical lifting cylinder 322 is started, the piston rod of the vertical lifting cylinder 322 pushes the fixed rack 326 to move downwards along the fixed rack 326, the vertical lifting rack 327 moves downwards at the same time, the crease forming press plate 33 presses the carton board downwards to press the carton board into the gap 36, at the moment, the first carton board support block 34 and the second carton board support block 35 support two sides of the carton board, due to the pressing of the crease forming press plate 33, a crease is formed on the carton board, then the piston rod of the vertical lifting cylinder 322 is retracted to drive the crease forming press plate 33 to ascend, the front conveying assembly 1 and the rear conveying assembly 2 start to convey, under the conveying force of the front conveying assembly 1 and the rear conveying assembly 2 and the restoring force of the carton board, the carton board indentation is separated from the gap 36, and the carton board is conveyed along with the front conveying assembly 1 and the rear conveying assembly 2.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a high strength environmental protection composite cardboard case crease make-up machine which characterized in that: the paper box plate crease forming machine comprises a front conveying assembly (1), a rear conveying assembly (2) and a paper box plate crease forming assembly (3), wherein the front conveying assembly (1), the paper box plate crease forming assembly (3) and the rear conveying assembly (2) are arranged in a row, and the front conveying assembly (1) and the rear conveying assembly (2) are symmetrically arranged on two sides of the paper box plate crease forming assembly (3);

wherein the carton board crease forming component (3) comprises a U-shaped support frame (31), two symmetrically arranged vertical lifting components (32), a crease forming press plate (33), a carton board support block (34) and a carton board support block (35), the two symmetrically arranged vertical lifting components (32) are arranged on the U-shaped support frame (31), the U-shaped support frame (31) is arranged between the tail end of the front conveying component (1) and the starting end of the rear conveying component (2), the crease forming press plate (33) is fixedly connected with the two symmetrically arranged vertical lifting components (32), the carton board support block (34) is fixedly arranged on the tail end of the front conveying component (1), the carton board support block (35) is fixedly arranged on the starting end of the rear conveying component (2), the carton board support block (34) and the carton board support block (35) are positioned on two sides of the crease forming press plate (33), the carton board supporting block I (34) and the carton board supporting block II (35) are symmetrically arranged, a gap (36) is formed between the carton board supporting block I (34) and the carton board supporting block II (35), the crease forming pressing plate (33) is located right above the gap (36), and the crease forming pressing plate (33) can be pressed into the gap (36).

2. The machine of claim 1, wherein the machine comprises: the vertical lifting assembly (32) comprises a vertical supporting plate (321), a vertical lifting cylinder (322), a connecting rod (323), an adapter (324), a gear (325), a fixed rack (326), a vertical lifting rack (327), an upper rack guide sleeve (328) and a lower rack guide sleeve (329), wherein the vertical supporting plate (321) is fixedly arranged on the U-shaped supporting frame (31), the vertical lifting cylinder (322) is fixedly arranged on a middle cross beam of the U-shaped supporting frame (31), a piston rod of the vertical lifting cylinder (322) is hinged with the upper end part of the connecting rod (323), the lower end part of the connecting rod (323) is hinged with the adapter (324), the gear (325) is arranged on the adapter (324) through a bearing, the fixed rack (326), the upper rack guide sleeve (328) and the lower rack guide sleeve (329) are fixedly arranged on a vertical surface of the vertical supporting plate (321), the upper rack guide sleeve (328) and the lower rack guide sleeve (329) are sleeved on the vertical lifting rack (327), the fixed rack (326) and the vertical lifting rack (327) are oppositely arranged, the gear (325) is arranged between the fixed rack (326) and the vertical lifting rack (327), and the gear (325) is meshed with the fixed rack (326) and the vertical lifting rack (327).

3. The machine of claim 2, wherein the machine comprises: the two symmetrically arranged vertical lifting components (32) are respectively close to the vertical upright posts of the U-shaped support frame (31), and the crease forming press plate (33) is fixedly arranged on the lower end part of the vertical lifting rack (327).

4. The machine of claim 1, wherein the machine comprises: the cross section of the crease forming pressing plate (33) is arranged in a conical manner, and the lower end part of the crease forming pressing plate (33) is semicircular.

5. The machine of claim 2, wherein the machine comprises: and a reinforcing rib plate (331) is arranged between the lower end part of the vertical lifting rack (327) and the upper end surface of the crease forming pressing plate (33).

6. The machine of claim 1, wherein the machine comprises: preceding conveying component (1) and back conveying component (2) all include conveyer belt support frame (11), driving motor (12), speed reducer (13), conveyer belt body (14) and a set of conveying roller (17), driving motor (12), speed reducer (13) and a set of conveying roller (17) all set up on conveyer belt support frame (11), driving motor (12) and speed reducer (13) are connected, speed reducer (13) can drive a set of conveying roller (17) and rotate, conveyer belt body (14) cover is established on a set of conveying roller (17).

7. The machine of claim 6, wherein the machine comprises: the conveying belt supporting frame is characterized in that a group of limiting supporting frames (15) are arranged on two side walls of the conveying belt supporting frame (11) in the conveying direction of the conveying belt body (14), the limiting supporting frames (15) are arranged at intervals, and a limiting baffle (16) is arranged at the end part, close to the conveying belt body (14), of the limiting supporting frames (15).

8. The machine of claim 7, wherein the machine comprises: the start end of the limiting baffle (16) close to the front conveying assembly (1) and the rear conveying assembly (2) is provided with a guide plate (161), and the guide plate (161) is obliquely arranged in the direction far away from the conveying belt body (14).

9. The machine of claim 7, wherein the machine comprises: the limiting support frame (15) comprises a horizontal support block (151), a vertical support block (152), a first screw (153) and a second screw (154), a first waist-shaped hole (155) is formed in the horizontal support block (151), a second waist-shaped hole (156) is formed in the vertical support block (152), the first screw (153) can penetrate through the second waist-shaped hole (156) to fix the vertical support block (152) on the side wall of the conveyor belt support frame (11), the second screw (154) can penetrate through the first waist-shaped hole (155) to fix the horizontal support block (151) on the upper end portion of the vertical support block (152), and the limiting baffle (16) is fixedly connected with the end portion, close to the conveyor belt body (14), of the horizontal support block (151).

10. The machine of claim 6, wherein the machine comprises: preceding conveying component (1) and back conveying component (2) all are equipped with position induction switch (10) along direction of delivery's initiating terminal, preceding conveying component (1) and back conveying component (2) all are equipped with position induction switch two (20) along direction of delivery's end.