CN220164236U - Pancake sorting and packaging equipment - Google Patents

Abstract

The utility model discloses pancake arranging and packaging equipment, which relates to the technical field of food packaging and comprises a machine, wherein the machine is provided with a feeding device, a box feeding device and a boxing device, the feeding device and the box feeding device are arranged in parallel, the feeding device comprises a plurality of conveyor belts which are arranged in parallel, and the boxing speed is improved by the aid of the plurality of conveyor belts. The boxing device comprises a conveying chain below the conveying belt, and comprises a poking plate which moves along the conveying direction of the conveying chain and moves biscuits onto the conveying chain; the box conveying device is provided with a conveying table, a conveying chain is connected with the conveying table, and biscuits are moved from the conveying chain to a box body on the conveying table, so that a process of boxing the biscuits is realized; be equipped with limiting plate and division board on boxing device, limiting plate restriction conveyer belt is to the conveying distance of biscuit and ensure that the biscuit accurately falls on the conveyer chain, improves feeding stability and reduces the broken possibility of biscuit, and the division board is used for separating the biscuit and controls the biscuit quantity of removing at every turn, realizes accurate boxing.

Description

Pancake sorting and packaging equipment

Technical Field

The utility model relates to the technical field of food packaging, in particular to pancake sorting and packaging equipment.

Background

In general, in the food packaging process, automatic packaging is required by using an automatic device, in the thin biscuit production process, thin biscuits are required to be stacked and placed in a packaging box, the current packaging device is easy to generate a crushing phenomenon due to the small thickness of the thin biscuits, the quantity control of the biscuits is not accurate enough during packaging, and the packaging speed is low, so that the increasing production requirements cannot be met.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides pancake arranging and packaging equipment which can improve packaging efficiency and reduce breakage rate.

According to an embodiment of the present utility model, there is provided a wafer sort packaging apparatus including:

the machine table is provided with a feeding device, a box feeding device and a boxing device, wherein the feeding device is arranged in parallel with the box feeding device, the feeding device comprises a plurality of conveyor belts which are arranged in parallel, biscuits are stacked along the conveying direction of the conveyor belts, the boxing device comprises a conveyor chain below the conveyor belts, the boxing device further comprises a plurality of poking sheets, a space is arranged between two adjacent conveyor belts, and the poking sheets move along the conveying direction of the conveyor chain and move the biscuits from the space to the conveyor chain;

the box conveying device is provided with a conveying table positioned below the conveying chain, the conveying table is used for conveying box bodies, the conveying chain is connected with the conveying table, and biscuits are moved from the conveying chain to the box bodies on the conveying table;

the boxing device is provided with a limiting plate and a spacing plate, the limiting plate is positioned above the conveyor belt and is close to one end of the conveying chain, the limiting plate limits the moving distance of biscuits, and the spacing plate can move up and down on the machine.

The pancake arranging and packaging device has at least the following beneficial effects: the embodiment is provided with an organic table, the organic table is provided with a feeding device, a box feeding device and a boxing device, the feeding device and the box feeding device are arranged in parallel, the feeding device comprises a plurality of conveyor belts which are arranged in parallel, biscuits are stacked along the conveying direction of the conveyor belts, the boxing device comprises a conveying chain below the conveyor belts, the boxing device further comprises a plurality of poking sheets, a space is arranged between two adjacent conveyor belts, and the poking sheets move along the conveying direction of the conveying chain and move the biscuits from the space to the conveying chain; the box conveying device is provided with a conveying table positioned below the conveying chain, the conveying table is used for conveying box bodies, the conveying chain is connected with the conveying table, and biscuits are moved from the conveying chain to the box bodies on the conveying table, so that a process of boxing the biscuits is realized; be equipped with limiting plate and division board on boxing device, the limiting plate is located the conveyer belt top and is close to the one end of conveyer chain, and limiting plate restriction conveyer belt is to the conveying distance of biscuit and ensure that the biscuit falls on the conveyer chain accurately, improves pay-off stability and reduces the broken possibility of biscuit, and the division board is gone up and down the activity on the board, and the division board is used for separating the biscuit and controls the biscuit quantity that removes at every turn, because biscuit range upon range of on the conveyer belt, consequently the division board is used for restricting the quantity of once dress box of biscuit, realizes accurate dress box. The multiple conveyor belts are arranged to be beneficial to improving the boxing speed, and further improving the production efficiency.

According to the wafer sorting and packaging equipment provided by the utility model, the conveying chain is provided with a plurality of deflector rods which are arranged at intervals, and the deflector rods are divided into a plurality of spaces for accommodating biscuits on the conveying chain.

According to the wafer sorting and packaging equipment disclosed by the utility model, the machine is provided with the support frame which is arranged in a surrounding manner, the support frame is positioned at the upper part of the machine, and the conveying chain moves in the support frame.

According to the pancake sorting and packaging equipment disclosed by the utility model, the conveying table is provided with the flattening mechanism, the flattening mechanism is positioned at the downstream of the conveying table far away from the feeding device, the flattening mechanism is provided with the movable pressing plate, and the pressing plate is positioned above the conveying table.

According to the wafer sorting and packaging equipment provided by the utility model, the conveying table comprises the chain and a plurality of abutting blocks arranged on the chain, the abutting blocks are arranged at intervals, and the abutting blocks move along with the chain and transfer the box body.

According to the wafer sorting and packaging equipment disclosed by the utility model, the boxing device is provided with the moving rods for installing the limiting plates, the limiting plates are arranged on the moving rods at intervals, and the moving rods drive the limiting plates to move along the conveying direction of the conveying belt.

According to the pancake arranging and packaging equipment provided by the utility model, the feeding device is provided with the stop mechanism, the stop mechanism comprises the stop plate and the connecting plate, the connecting plate is provided with the stop plates positioned on the same side of the conveyor belt, the stop plates are positioned at one end of the conveyor belt far away from the conveying chain, and the moving direction of the connecting plate is perpendicular to the moving direction of the conveyor belt.

According to the pancake arranging and packaging device, the stop plate is elastically connected with the connecting plate, the spring is arranged on the connecting plate, and the other end of the spring is connected with the stop plate.

According to the wafer sorting and packaging equipment provided by the utility model, the feeding device is further provided with the guide device, the guide device comprises the guide plates positioned on two sides of the conveyor belt and the retainer supported below the guide plates, and the guide plates are fixedly arranged on the retainer.

According to the wafer sorting and packaging equipment provided by the utility model, the boxing device is provided with the mounting frame provided with the poking sheets, a plurality of poking sheets are arranged in the length direction of the mounting frame, and each poking sheet is positioned on the same side of the conveyor belt.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a front view of a wafer collation packaging apparatus in accordance with an embodiment of the present utility model;

FIG. 2 is a schematic view of the positions of a feeding device and a boxing device in an embodiment of the utility model;

FIG. 3 is a schematic view showing the positions of a feeding device, a boxing device and a box feeding device according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the positions of a limiting plate and a conveyor belt according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram showing the position of the feed opening in an embodiment of the present utility model;

FIG. 6 is a schematic structural diagram of a leveling mechanism according to an embodiment of the present utility model;

FIG. 7 is a side view of a feed device in accordance with an embodiment of the present utility model;

fig. 8 is a schematic view of the positions of a conveyor chain and a conveyor table in an embodiment of the utility model.

Reference numerals:

a machine 100; a case 101; biscuit 102; a support 103; a stop mechanism 104; a slide rail 105; a synchronous pulley 106;

a feeding device 110; a conveyor belt 111; a conveyance motor 112; a stopper plate 113; a connection plate 114; a spring 115; a guide plate 116; a holder 117; a pulley bracket 118; a drive shaft 119;

a cassette feeding device 120; a conveying table 121; a flattening mechanism 122; a pressing plate 123; a chain 124; an abutment block 125; balance 126; swing arms 127;

a boxing device 130; a conveying chain 131; a paddle 132; a limiting plate 133; a spacer plate 134; a toggle lever 135; a moving lever 136; a mounting rack 137; a drawbar 138; a feed opening 139; and a driving wheel 140.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 8, an embodiment of the present utility model provides a wafer sorting and packaging apparatus, including a machine 100, where the machine 100 is provided with a feeding device 110, a box feeding device 120, and a box packing device 130, the feeding device 110 is arranged in parallel with the box feeding device 120, the feeding device 110 includes a plurality of conveyor belts 111 arranged in parallel, biscuits 102 are stacked along a conveying direction of the conveyor belts 111, the box packing device 130 includes a conveying chain 131 under the conveyor belts 111, the box packing device 130 further includes a plurality of paddles 132, a space is provided between two adjacent conveyor belts 111, and the paddles 132 move along the conveying direction of the conveying chain 131 and move the biscuits 102 from the space onto the conveying chain 131. Optionally, the box feeding device 120 is provided with a conveying table 121 below a conveying chain 131, the conveying table 121 is used for conveying the box body 101, the conveying chain 131 is connected with the conveying table 121 and enables the biscuits 102 to move from the conveying chain 131 to the box body 101 on the conveying table 121, and the boxing process of the biscuits 102 is achieved. Alternatively, the conveying direction of the conveying chain 131 and the conveying table 121 is perpendicular to the conveying direction of the conveyor belt 111. Optionally, a limiting plate 133 and a spacing plate 134 are disposed on the boxing device 130, the limiting plate 133 and the spacing plate 134 correspond to the positions of the conveyor belt 111, the limiting plate 133 is located above the conveyor belt 111 and near one end of the conveying chain 131, the limiting plate 133 limits the conveying distance of the conveyor belt 111 to the biscuits 102 and ensures that the biscuits 102 accurately fall on the conveying chain 131, feeding stability is improved, and crushing possibility of the biscuits 102 is reduced. The partition plate 134 moves up and down on the machine 100, the partition plate 134 is used for separating the biscuits 102 and controlling the quantity of biscuits 102 moving each time, and the partition plate 134 is used for limiting the quantity of biscuits 102 boxing at one time because the biscuits 102 are stacked on the conveyor belt 111, so that accurate boxing is realized. The plurality of conveyor belts 111 are arranged to facilitate improvement of the boxing rate, thereby improving the production efficiency. It should be noted that, the stacked biscuits 102 move on the conveyor 111, and the number of biscuits 102 in each boxing is a preset value, so before the paddles 132 move the biscuits 102, the spacer 134 is inserted into the stacked biscuits 102 and a certain amount of biscuits 102 are conveyed to one end of the limiting plate 133, and meanwhile, the limiting plate 133 follows the movement of the biscuits 102 by a preset distance, so that the biscuits 102 are stable and avoid dropping or breaking when moving, and when the limiting plate 133 stops moving, the paddles 132 move the biscuits 102 onto the conveyor 131 along the conveying direction of the conveyor 131.

Specifically, referring to fig. 2, at least five conveyor belts 111 are arranged in parallel, the conveyor belts 111 are driven by a conveyor motor 112, the plurality of conveyor belts 111 rotate synchronously, the conveyor motor 112 drives a transmission shaft 119 and simultaneously drives the plurality of conveyor belts 111, alternatively, the transmission shaft 119 can be inserted in the center of a synchronous pulley 106 at the end part of the conveyor belt 111, or a gear linked with the synchronous pulley 106 is arranged on the transmission shaft 119, so that the plurality of conveyor belts 111 can be driven simultaneously. Optionally, pulley brackets 118 for installing the synchronous pulleys 106 are further provided, the pulley brackets 118 are positioned at two ends of the conveyor belt 111, the length direction of the pulley brackets 118 extends along the width direction of the conveyor belt 111, and a plurality of synchronous pulleys 106 are simultaneously installed on the pulley brackets 118, so that the installation and fixation of the conveyor belt 111 are realized.

Optionally, the feeding device 110 is provided with a stop mechanism 104, the stop mechanism 104 is located on the conveyor belt 111, the stop mechanism 104 includes a stop plate 113 and a connecting plate 114, the connecting plate 114 is provided with a plurality of stop plates 113 located on the same side of the conveyor belt 111, the length direction of the connecting plate 114 extends along the width direction of the conveyor belt 111, meanwhile, the stop plates 113 are located at one end of the conveyor belt 111 far away from the conveying chain 131, and the moving direction of the connecting plate 114 is perpendicular to the moving direction of the conveyor belt 111. It should be noted that when stacked biscuits 102 drop onto conveyor belt 111 to conveyor chain 131, spacer plates 134 are positioned within stacked biscuits 102, and stop plates 113 move and clamp biscuits 102 positioned on conveyor belt 111, preventing upstream biscuits 102 from continuously pressing down, causing biscuits 102 to crush, and maintaining ordered conveyance of biscuits 102. Optionally, an air cylinder is arranged at the end part of the connecting plate 114, the air cylinder stretches and contracts to drive the connecting plate 114 and the stop plate 113 to move, so as to realize clamping and loosening actions, meanwhile, sliding rails 105 are arranged at the two ends of the connecting plate 114, the sliding rails 105 are fixedly arranged on the machine 100, movable guiding of the connecting plate 114 is realized through the sliding rails 105, and stable actions are ensured. Optionally, the stop plate 113 is elastically connected with the connecting plate 114, and the connecting plate 114 is provided with a spring 115, and the other end of the spring 115 is connected with the stop plate 113, so that the biscuit 102 is prevented from being crushed. In another embodiment, by providing stop cylinders, each of which drives one stop plate 113, individual control of each stop plate 113 can be achieved, facilitating flexibility in use of the lifting apparatus. Referring to fig. 7, the feeding device 110 is further provided with a guide device, the guide device comprises guide plates 116 positioned at two sides of the conveyor belt 111 and a retainer 117 supported below the guide plates 116, the guide plates 116 are fixedly mounted on the retainer 117, the guide plates 116 are arranged to prevent the biscuits 102 from falling off when moving, meanwhile, a notch for accommodating a stop plate 113 is formed in the guide plates 116, and the stop plate 113 pushes the biscuits 102 to be abutted against the inner wall of the guide plates 116, so that a stop function is realized.

Optionally, the boxing apparatus 130 is provided with a mounting frame 137 for mounting the paddles 132, the paddles 132 are provided in a plurality in a length direction of the mounting frame 137, and each paddle 132 is located on the same side of the conveyor 111. Optionally, an air cylinder or a motor belt transmission mechanism is arranged at the end of the mounting frame 137, and the air cylinder or the motor belt transmission mechanism drives the mounting frame 137 to realize reciprocating motion so as to move the biscuits 102 on the conveyor belt 111 onto the conveying chain 131. Optionally, a pulling piece 132 is disposed on one side of each conveyor belt 111, the moving direction of the mounting frame 137 is perpendicular to the length direction of the conveyor belt 111, meanwhile, sliding rails 105 fixed on the machine 100 are disposed at two ends of the mounting frame 137, and the movement of the mounting frame 137 is guided by the sliding rails 105, so that the stability of the motion is ensured. Optionally, the sliding rail 105 is a ball linear guide.

Referring to fig. 3 and 5, the conveying chain 131 is provided with a plurality of levers 135 arranged at intervals, the levers 135 are divided into a plurality of spaces for accommodating biscuits 102 on the conveying chain 131, two ends of each lever 135 are fixedly connected with the conveying chain 131, and when biscuits 102 fall onto the conveying chain 131, the biscuits 102 are driven to move by the moving levers 135. Referring to fig. 5, a bottom plate for carrying biscuits 102 is arranged below a conveying chain 131, a feed opening 139 is arranged on the bottom plate, a conveying table 121 is arranged below the corresponding feed opening 139, a plurality of movable box bodies 101 for packaging biscuits 102 are arranged on the conveying table 121, the feed opening 139 is positioned at one end of the downstream of the conveying chain 131 in the moving direction, and when the biscuits 102 move to the feed opening 139, the biscuits 102 fall into the box bodies 101 to finish the boxing process. Referring to fig. 6, the conveying table 121 includes a chain 124 and a plurality of abutting blocks 125 mounted on the chain 124, the plurality of abutting blocks 125 are arranged at intervals, the abutting blocks 125 move along with the chain 124 and convey the box bodies 101, and along with the cyclic movement of the chain 124, a plurality of box bodies 101 can be conveyed at the same time, which is beneficial to improving efficiency.

Referring to fig. 1, a support frame 103 is provided on a machine 100, the support frame 103 is located on the upper portion of the machine 100, a conveying chain 131 moves in the support frame 103, the support frame 103 surrounds on the upper portion of the machine 100, so that the conveying chain 131 circularly rotates on the support frame 103, meanwhile, a plurality of chain wheels are provided on the support frame 103, steering of the conveying chain 131 is achieved through the chain wheels, the support frame 103 provided in a surrounding manner is beneficial to saving space on the machine 100, the structure is compact, and debugging or overhauling operations of workers can be prevented from being hindered.

Referring to fig. 1 and 6, a flattening mechanism 122 is disposed on the conveying table 121, the flattening mechanism 122 is located on the conveying table 121 at a position far away from the downstream of the feeding device 110, the flattening mechanism 122 is provided with a movable pressing plate 123, the pressing plate 123 is located above the conveying table 121, and the flattening mechanism 122 is used for compacting the biscuits 102 which have been packaged into boxes, so that stability of the biscuits 102 in the box 101 is improved. Alternatively, the flattening mechanism 122 is provided with a motor, and a belt transmission mechanism is arranged between the motor and the pressing plate 123 to realize the reciprocating motion of the pressing plate 123 in the vertical direction. Specifically, a balance wheel 126 is disposed on the flattening mechanism 122, the balance wheel 126 is disposed at two ends of the pressing plate 123, a wheel shaft of the balance wheel 126 is connected with the pressing plate 123 through a swing arm 127, one end of the swing arm 127 is movably connected with an end of the pressing plate 123, and when the balance wheel 126 rotates, the swing arm 127 is driven to further drive the pressing plate 123 to reciprocate up and down. Optionally, balance 126 is driven by a motor and belt.

Referring to fig. 3 and 4, the boxing apparatus 130 is provided with moving bars 136 for mounting the limiting plates 133, the limiting plates 133 are disposed on the moving bars 136 at equal intervals, and the moving bars 136 drive the limiting plates 133 to move along the conveying direction of the conveyor belt 111. Alternatively, the length direction of the moving lever 136 extends along the width direction of the conveyor belt 111. Alternatively, the moving rod 136 is driven to move by a motor belt transmission mechanism or a telescopic cylinder. Optionally, the boxing device 130 is provided with a traction rod 138 for driving the partition plate 134 to move up and down in a telescopic manner, and is also provided with a motor and a driving wheel 140 in power connection with the motor, one end of the traction rod 138 is movably connected with the radial circumference of the driving wheel 140, and the other end of the traction rod 138 is movably connected with the partition plate 134, so that the traction rod 138 is driven to move up and down when the driving wheel 140 rotates, and the up and down movement of the partition plate 134 is realized. Optionally, a fixedly installed sliding rail 105 is provided on the machine 100, and the sliding rail 105 is used for guiding the vertical movement of the partition plate 134, so as to maintain the stability of the operation. In another embodiment, the action may be achieved by providing a cylinder for driving the spacer plate 134. Alternatively, the partition plates 134 may be controlled individually by motor belt transmission mechanism or actuating components such as cylinders, or the connecting rods may be used to drive a plurality of partition plates 134 simultaneously, where the partition plates 134 are disposed at equal intervals on the connecting rods, and the actuating functions may be achieved by individual or synchronous control.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A wafer collation packaging apparatus comprising:

the machine table is provided with a feeding device, a box feeding device and a boxing device, wherein the feeding device is arranged in parallel with the box feeding device, the feeding device comprises a plurality of conveyor belts which are arranged in parallel, biscuits are stacked along the conveying direction of the conveyor belts, the boxing device comprises a conveying chain below the conveyor belts, the boxing device further comprises a plurality of poking sheets, a space is arranged between every two adjacent conveyor belts, and the poking sheets move along the conveying direction of the conveying chain and move the biscuits from the space to the conveying chain;

the box conveying device is provided with a conveying table positioned below the conveying chain, the conveying table is used for conveying box bodies, the conveying chain is connected with the conveying table, and the biscuits are moved from the conveying chain to the box bodies on the conveying table;

be equipped with limiting plate and division board on the cartoning device, the limiting plate is located the conveyer belt top is close to the one end of conveyer chain, the limiting plate restriction the travel distance of biscuit, the division board is in the elevating movement on the board.

2. A wafer collation packaging apparatus as recited in claim 1, wherein: the conveying chain is provided with a plurality of deflector rods which are arranged at intervals, and the deflector rods are divided into a plurality of spaces for accommodating biscuits on the conveying chain.

3. A wafer collation packaging apparatus as recited in claim 1, wherein: the machine is provided with a supporting frame which is arranged in a surrounding mode, the supporting frame is located on the upper portion of the machine, and the conveying chain moves in the supporting frame.

4. A wafer collation packaging apparatus as recited in claim 1, wherein: the conveying table is provided with a flattening mechanism, the flattening mechanism is located at the downstream of the conveying table, which is far away from the feeding device, the flattening mechanism is provided with a movable pressing plate, and the pressing plate is located above the conveying table.

5. A wafer collation packaging apparatus as recited in claim 4, wherein: the conveying table comprises a chain and a plurality of abutting blocks arranged on the chain, wherein the abutting blocks are arranged at intervals, and the abutting blocks follow the chain to move and convey the box body.

6. A wafer collation packaging apparatus as recited in claim 1, wherein: the boxing device is provided with a moving rod for installing the limiting plates, the limiting plates are arranged on the moving rod at intervals, and the moving rod drives the limiting plates to move along the conveying direction of the conveying belt.

7. A wafer collation packaging apparatus as recited in claim 1, wherein: the feeding device is provided with a stop mechanism, the stop mechanism comprises a stop plate and a connecting plate, the connecting plate is provided with a plurality of stop plates positioned on the same side of the conveyor belt, the stop plates are positioned at one end, far away from the conveyor chain, of the conveyor belt, and the moving direction of the connecting plate is perpendicular to the moving direction of the conveyor belt.

8. A wafer collation packaging apparatus as recited in claim 7, wherein: the stop plate is in elastic connection with the connecting plate, a spring is arranged on the connecting plate, and the other end of the spring is connected with the stop plate.

9. A wafer collation packaging apparatus as recited in claim 1, wherein: the feeding device is further provided with a guiding device, the guiding device comprises guiding plates positioned on two sides of the conveying belt and a retainer supported below the guiding plates, and the guiding plates are fixedly installed on the retainer.

10. A wafer collation packaging apparatus as recited in claim 1, wherein: the boxing device is provided with a mounting frame for mounting the poking sheets, a plurality of poking sheets are arranged on the mounting frame in the length direction, and each poking sheet is located on the same side of the conveyor belt.