Slitting device

Abstract

The utility model relates to the technical field of circuit boards, in particular to a slitting device which comprises a base plate, a first U-shaped plate, an annular blade, a bearing plate, a cutting assembly, two clamping assemblies and a collecting assembly. Each suction unit comprises a fixing pipe, a first motor, a round roller, a belt, a first rotating shaft, a fixing plate, a plurality of rotating blades and a dust suction hood, and a ventilation opening is formed in the box door. The cutting assembly drives a circular ring blade to move downwards to cut a circuit board, the output end of a first motor drives a round roller to rotate, then a belt, a first rotating shaft and a plurality of rotating blades are driven to rotate, a dust suction hood sucks external airflow and chippings into a fixed pipe, then the external airflow and chippings flow into a collecting box, and the airflow flows out from a ventilation opening. And the filter screen prevents the chippings from flowing out of the collecting box along with the airflow, so that the device can collect the chippings remaining on the circuit board during cutting, and the cutting position is prevented from being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a cutting device. Background Art

[0002] Circuit boards make circuits miniaturized and intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. When processing existing circuit boards, the mechanical equipment used for mass production cutting is mostly large-scale equipment, which can ensure production efficiency. However, for small-batch production and processing, the use of large equipment will increase the cost. Moreover, when cutting circuit boards, the circuit boards are brittle and have a smooth surface, which may cause the circuit boards to move during processing, affecting the quality of the circuit boards.

[0003] The prior art patent (CN213647684U) discloses a circuit board slitting device, including a base plate, a fixing frame is fixedly installed on the upper end of the base plate, the fixing frame is an I-shaped frame, including a plurality of single frames, wherein a slot is provided at the center upper end of the single frame in the middle, a transmission screw is movably installed inside the slot, a first motor is fixedly installed on one side of the fixing frame, and the output shaft of the first motor extends to the inside of the fixing frame and is fixedly connected to the transmission screw. In this circuit board slitting device, when cutting, the first motor drives the transmission screw to rotate, the transmission screw rotates, the movable load body moves, and then the second motor is turned on, the second motor drives the saw disc to rotate at high speed, the saw disc can directly cut the circuit board, and then when cutting, it can ensure that the end face of the cut circuit board is smoother.

[0004] However, in the above-mentioned prior art, the device is unable to collect the debris generated during cutting, and the debris remains on the circuit board, which will block the cutting position and make it inconvenient to continue the cutting work. Utility Model Content

[0005] The utility model aims to provide a slitting device, which solves the problem in the prior art that the device cannot collect the debris generated during cutting, and the debris remains on the circuit board, which will block the cutting position and make it inconvenient to continue the cutting work.

[0006] To achieve the above-mentioned purpose, the utility model provides a slitting device, including a base plate, a first U-shaped plate, a circular blade, a carrying plate, a cutting assembly, two clamping assemblies and a collecting assembly, wherein the collecting assembly includes a collecting box, a box door, a filter screen and two suction units, each of the suction units includes a fixed pipe, a first motor, a circular roller, a belt, a first rotating shaft, a fixed plate, a plurality of rotating blades and a dust cover, the carrying plate is provided with an opening, the box door is provided with a vent, the first U-shaped plate is fixedly connected to the base plate and is located at the upper end of the base plate, the cutting assembly is arranged on the first U-shaped plate, the circular blade is connected to the cutting assembly, the two clamping assemblies are symmetrically arranged at the upper end of the base plate, the carrying plate and the two clamping assemblies The collecting box is fixedly connected to the upper end of the first U-shaped plate, the box door is rotatably connected to the upper end of the collecting box, the filter is arranged at the vent, one end of the fixed pipe is communicated with the collecting box, the other end of the fixed pipe is communicated with the dust hood, the dust hood is located on the side of the circular blade, the first motor is fixedly connected to the upper end of the fixed pipe, the circular roller is fixedly connected to the output end of the first motor, the fixed plate is fixedly connected to the inner top wall of the fixed pipe, the first rotating shaft is rotatably connected to the bottom of the fixed plate, the belts are respectively sleeved on the outside of the circular roller and the first rotating shaft, and the belt passes through the top wall of the fixed pipe, and a plurality of the rotating blades are respectively arranged around the first rotating shaft.

[0007] Among them, the cutting assembly includes a first cylinder, a second U-shaped plate, a second rotating shaft and a second motor, the first cylinder is fixedly connected to the inner top wall of the first U-shaped plate, the output end of the first cylinder is fixedly connected to the top of the second U-shaped plate, the second rotating shaft is rotatably connected to the second U-shaped plate and is located inside the second U-shaped plate, the second motor is fixedly connected to the front end of the second U-shaped plate, and the output end of the second motor passes through the front end of the second U-shaped plate and is fixedly connected to the second rotating shaft, and the circular blade is fixedly sleeved on the outside of the second rotating shaft.

[0008] Wherein, each of the clamping assemblies includes a second cylinder, a slide rail, a slider, an L-shaped fixing rod, a third cylinder and a clamping plate, the slide rail is fixedly connected to the base plate and is located at the upper end of the base plate, the second cylinder is fixedly connected to the inner bottom wall of the slide rail, the lower end of the slider is slidably adapted to the slide rail, the upper end of the slider is fixedly connected to the supporting plate, the output end of the second cylinder is fixedly connected to the side of the slider, the bottom of the L-shaped fixing rod is fixedly connected to the upper end of the supporting plate, the third cylinder is fixedly connected to the inner top wall of the L-shaped fixing rod, and the output end of the third cylinder is fixedly connected to the clamping plate.

[0009] Wherein, the slitting device also includes a collecting groove, the upper end of the collecting groove has two protrusions, the bottom of the supporting plate has two grooves, and the two protrusions are slidably adapted to the corresponding grooves respectively.

[0010] Wherein, the slitting device further comprises a plurality of supporting legs, and the plurality of supporting legs are respectively fixedly connected to the base plate and are located around the bottom of the base plate.

[0011] Wherein, the slitting device further comprises a card slot and a card block, the card slot is fixedly connected to the bottom of the carrying plate, the card block is fixedly connected to the left end of the collecting slot, and the card block is card-matched with the card slot.

[0012] Wherein, each of the suction units further comprises a reinforcement rod, one end of which is fixedly connected to the outer wall of the fixed tube, and the other end of which is fixedly connected to the upper end of the L-shaped fixed rod.

[0013] Wherein, the slitting device also includes a first handle and a second handle, the first handle is fixedly connected to the box door and located at the upper end of the box door, and the second handle is fixedly connected to the collecting trough and located at the right end of the collecting trough.

[0014] The utility model provides a slitting device, which places a circuit board on the carrier plate, and then drives the annular blade to move downward through the cutting assembly to cut the circuit board, and at the same time starts the first motor, drives the circular roller to rotate through the output end of the first motor, and then drives the belt, the first rotating shaft and the plurality of rotating blades to rotate, so that the dust hood sucks the external airflow and the debris generated during cutting into the fixed pipe, and flows into the collection box for collection, and the airflow flows out from the vent, and then, under the setting of the filter, the debris is prevented from following the airflow out of the collection box, thereby the device can clean and collect the debris remaining on the circuit board during cutting, and prevent the cutting position from being blocked, making it inconvenient for the staff to continue the cutting work. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0016] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0017] Figure 2 It is an overall cross-sectional view of the first embodiment of the utility model.

[0018] Figure 3 The utility model Figure 2 AA line section view.

[0019] Figure 4 The utility model Figure 2 Enlarged view of the local structure at point B.

[0020] Figure 5 The utility model Figure 3 Enlarged view of the local structure at location C.

[0021] Figure 6 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0022] Figure 7 It is an overall cross-sectional view of the second embodiment of the utility model.

[0023] Figure 8 The utility model Figure 7 DD line cross-sectional view.

[0024] 101-base plate, 102-first U-shaped plate, 103-circular blade, 104-carrying plate, 105-collecting tank, 106-supporting leg, 107-card slot, 108-card block, 109-collecting box, 110-box door, 111-filter screen, 112-fixed pipe, 113-first motor, 114-round roller, 115-belt, 116-first rotating shaft, 117-fixed plate, 118-rotating blade, 119 -dust hood, 120-reinforcement rod, 121-first cylinder, 122-second U-shaped plate, 123-second rotating shaft, 124-second motor, 125-second cylinder, 126-slide rail, 127-slider, 128-L-shaped fixing rod, 129-third cylinder, 130-clamping plate, 131-opening, 132-vent, 133-bump, 134-groove, 201-first handle, 202-second handle. DETAILED DESCRIPTION

[0025] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0026] First embodiment:

[0027] See also Figures 1 to 5 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 is a sectional view of the whole of the first embodiment of the utility model, Figure 3 The utility model Figure 2 AA line section view, Figure 4 The utility model Figure 2 The enlarged view of the local structure at B, Figure 5 The utility model Figure 3 Enlarged view of the local structure at location C.

[0028] The utility model provides a slitting device, including a base plate 101, a first U-shaped plate 102, a circular blade 103, a carrying plate 104, a cutting assembly, two clamping assemblies, a collecting assembly, a collecting tank 105, a plurality of supporting legs 106, a card slot 107 and a card block 108, the collecting assembly includes a collecting box 109, a box door 110, a filter screen 111 and two suction units, each of the suction units includes a fixed pipe 112, a first motor 113, a round roller 114, a belt 115, a first rotating shaft 116, a fixed plate 117, a plurality of rotating blades 11 8. A dust hood 119 and a reinforcing rod 120, the cutting assembly includes a first cylinder 121, a second U-shaped plate 122, a second rotating shaft 123 and a second motor 124, each of the clamping assemblies includes a second cylinder 125, a slide rail 126, a slider 127, an L-shaped fixing rod 128, a third cylinder 129 and a clamping plate 130, the supporting plate 104 has an opening 131, the box door 110 has a vent 132, the upper end of the collecting trough 105 has two protrusions 133, and the bottom of the supporting plate 104 has two grooves 134.

[0029] According to this specific embodiment, the clamping plate 130 is driven to move downward by the third cylinder 129 to clamp and limit the circuit board to prevent it from moving, and then the second U-shaped plate 122, the second rotating shaft 123, the second motor 124 and the annular blade 103 are driven to move downward by the first cylinder 121, and the second rotating shaft 123 and the annular blade 103 are driven to rotate by the output end of the second motor 124, so as to cut the circuit board, and then the slider 127 is driven to move along the slide rail 126 by the second cylinder 125, so as to move the carrying plate 104, the third cylinder 129, the clamping plate 130 and the circuit board, so as to achieve the circuit board. In order to achieve the effect of horizontal cutting, the first motor 113 is started at the same time, and the round roller 114 is driven to rotate through the output end of the first motor 113, thereby driving the belt 115, the first rotating shaft 116 and the plurality of rotating blades 118 to rotate, so that the dust hood 119 sucks the external airflow and the debris generated during cutting into the fixed pipe 112, and flows into the collection box 109 for collection, and the airflow will flow out from the vent 132, and then under the setting of the filter 111, the debris is prevented from following the airflow out of the collection box 109, thereby the device can clean and collect the debris remaining on the circuit board during cutting, to prevent the cutting position from being blocked, making it inconvenient for the staff to continue cutting.

[0030] The first U-shaped plate 102 is fixedly connected to the base plate 101 and is located at the upper end of the base plate 101. The cutting assembly is arranged on the first U-shaped plate 102. The annular blade 103 is connected to the cutting assembly. The two clamping assemblies are symmetrically arranged at the upper end of the base plate 101. The carrying plate 104 is connected to the two clamping assemblies. The collection box 109 is fixedly connected to the upper end of the first U-shaped plate 102. The box door 110 is rotatably connected to the upper end of the collection box 109. The filter screen 111 is arranged at the vent 132. One end of the fixed pipe 112 is connected to the collection box 109. The other end of the first motor 113 is connected to the dust hood 119, and the dust hood 119 is located on the side of the circular blade 103. The first motor 113 is fixedly connected to the upper end of the fixed tube 112, the round roller 114 is fixedly connected to the output end of the first motor 113, the fixed plate 117 is fixedly connected to the inner top wall of the fixed tube 112, the first rotating shaft 116 is rotatably connected to the bottom of the fixed plate 117, the belt 115 is respectively sleeved on the outside of the round roller 114 and the first rotating shaft 116, and the belt 115 passes through the top wall of the fixed tube 112, and a plurality of rotating blades 118 are respectively arranged around the first rotating shaft 116. The circuit board is placed on the carrier plate 104, and then the circular blade 103 is driven downward by the cutting assembly to cut the circuit board. At the same time, the first motor 113 is started, and the circular roller 114 is driven to rotate by the output end of the first motor 113, thereby driving the belt 115, the first rotating shaft 116 and the plurality of rotating blades 118 to rotate, so that the dust cover 119 sucks the external airflow and the debris generated during cutting into the fixed pipe 112, and flows into the collection box 109 for collection, and the airflow will flow out from the vent 132, and then under the setting of the filter 111, the debris is prevented from flowing out of the collection box 109 with the airflow, and when too much debris is collected in the collection box 109, the box door 110 can be opened by pulling the box door 110 upward, so that the staff can clean the inside of the collection box 109, thereby the device can clean and collect the debris remaining on the circuit board during cutting, and prevent the cutting position from being blocked, which makes it inconvenient for the staff to continue cutting.

[0031] Secondly, the first cylinder 121 is fixedly connected to the inner top wall of the first U-shaped plate 102, the output end of the first cylinder 121 is fixedly connected to the top of the second U-shaped plate 122, the second rotating shaft 123 is rotatably connected to the second U-shaped plate 122 and is located inside the second U-shaped plate 122, the second motor 124 is fixedly connected to the front end of the second U-shaped plate 122, and the output end of the second motor 124 passes through the front end of the second U-shaped plate 122 and is fixedly connected to the second rotating shaft 123, the annular blade 103 is fixedly sleeved on the outside of the second rotating shaft 123, and the slide rail 12 6 is fixedly connected to the base plate 101 and is located at the upper end of the base plate 101, the second cylinder 125 is fixedly connected to the inner bottom wall of the slide rail 126, the lower end of the slider 127 is slidably adapted to the slide rail 126, the upper end of the slider 127 is fixedly connected to the supporting plate 104, the output end of the second cylinder 125 is fixedly connected to the side of the slider 127, the bottom of the L-shaped fixing rod 128 is fixedly connected to the upper end of the supporting plate 104, the third cylinder 129 is fixedly connected to the inner top wall of the L-shaped fixing rod 128, and the output end of the third cylinder 129 is fixedly connected to the clamping plate 130. The clamping plate 130 is driven downward by the third cylinder 129 to clamp and limit the circuit board to prevent it from moving, and then the second U-shaped plate 122, the second rotating shaft 123, the second motor 124 and the circular blade 103 are driven downward by the first cylinder 121, and the second rotating shaft 123 and the circular blade 103 are driven to rotate by the output end of the second motor 124 to cut the circuit board, and then the slider 127 is driven by the second cylinder 125 to move along the slide rail 126, thereby moving the supporting plate 104, the third cylinder 129, the clamping plate 130 and the circuit board, thereby achieving the effect of horizontal cutting of the circuit board.

[0032] At the same time, the upper end of the collecting trough 105 has two protrusions 133, and the bottom of the carrying plate 104 has two grooves 134. The two protrusions 133 are slidably matched with the corresponding grooves 134. The multiple supporting legs 106 are respectively fixedly connected to the base plate 101 and are located around the bottom of the base plate 101. The device is supported by the multiple supporting legs 106. When cutting, some debris will fall through the opening 131. The falling debris is collected by the setting of the collecting trough 105, which is convenient for the staff to uniformly handle it later. When the collecting trough 105 needs to be disassembled, it is only necessary to pull the collecting trough 105 to make the two protrusions 133 slide in the corresponding grooves 134 and disengage the fit, so that the collecting trough 105 can be disassembled.

[0033] In addition, the clamping slot 107 is fixedly connected to the bottom of the carrier plate 104, the clamping block 108 is fixedly connected to the left end of the collecting slot 105, and the clamping block 108 is clamped and matched with the clamping slot 107. Through the arrangement of the clamping slot 107 and the clamping block 108, the collecting slot 105 is fixed to prevent the two protrusions 133 from sliding left and right in the corresponding grooves 134, so that the collecting slot 105 moves left and right constantly when in use, which makes it inconvenient to collect the falling debris. When the collecting slot 105 needs to be disassembled, it only needs to pull the collecting slot 105 to disengage the clamping slot 107 and the clamping block 108, so as to facilitate disassembly.

[0034] Finally, one end of the reinforcing rod 120 is fixedly connected to the outer wall of the fixing tube 112, and the other end of the reinforcing rod 120 is fixedly connected to the upper end of the L-shaped fixing rod 128. The arrangement of the reinforcing rod 120 improves the stability of the fixing tube 112, preventing it from shaking during use, thereby preventing the debris from being accurately sucked in.

[0035] When using a slitting device of this embodiment, the circuit board is placed on the carrier plate 104, and the clamping plate 130 is driven downward by the third cylinder 129 to clamp and limit the circuit board to prevent it from moving. Then, the second U-shaped plate 122, the second rotating shaft 123, the second motor 124 and the annular blade 103 are driven downward by the first cylinder 121, and the second rotating shaft 123 and the annular blade 103 are driven to rotate by the output end of the second motor 124, so as to cut the circuit board. Then, the slider 127 is driven by the second cylinder 125 to move along the slide rail 126, so as to make The carrier plate 104, the third cylinder 129, the clamping plate 130 and the circuit board are moved, so as to achieve the effect of horizontally cutting the circuit board, and at the same time, the first motor 113 is started, and the round roller 114 is driven to rotate through the output end of the first motor 113, thereby driving the belt 115, the first rotating shaft 116 and the plurality of rotating blades 118 to rotate, so that the dust cover 119 sucks the external airflow and the debris generated during cutting into the fixed pipe 112, and flows into the collection box 109 for collection, and the airflow flows out from the vent 132, and then under the setting of the filter screen 111, the debris is prevented from following The air flows out of the collection box 109, so that the device can clean and collect the debris left on the circuit board during cutting, to prevent the cutting position from being blocked and the staff from continuing the cutting work. The device is supported by the multiple support legs 106. When cutting, some debris will fall through the opening 131. The falling debris can be collected by the setting of the collection slot 105, which is convenient for the staff to uniformly handle it later. When the collection slot 105 needs to be disassembled, it only needs to pull the collection slot 105 to make the two protrusions 133 slide in the corresponding grooves 134 and disengage the adapter, so as to remove the collection slot. 105 is disassembled, and the arrangement of the slot 107 and the block 108 can fix the collecting slot 105 to prevent the two protrusions 133 from sliding left and right in the corresponding grooves 134, causing the collecting slot 105 to move left and right during use, making it inconvenient to collect the fallen debris. When the collecting slot 105 needs to be disassembled, it is only necessary to pull the collecting slot 105 to disengage the slot 107 and the block 108, thereby facilitating disassembly. The arrangement of the reinforcement rod 120 can improve the stability of the fixing tube 112 to prevent shaking during use, thereby preventing the debris from being accurately sucked in.

[0036] Second embodiment:

[0037] Based on the first embodiment, please refer to Figures 6 to 8,in, Figure 6 It is a schematic diagram of the overall structure of the second embodiment of the utility model. Figure 7 is a cross-sectional view of the entirety of the second embodiment of the present utility model, Figure 8 The utility model Figure 7 DD line cross-sectional view.

[0038] The utility model provides a slitting device, which also includes a first handle 201 and a second handle 202 .

[0039] According to this specific embodiment, the first handle 201 makes it easy for the staff to pull the box door 110 to rotate, and the second handle 202 makes it easy for the staff to pull the collection tank 105 to disassemble it. Therefore, the setting of the first handle 201 and the second handle 202 makes it easier for the staff to operate.

[0040] The first handle 201 is fixedly connected to the box door 110 and is located at the upper end of the box door 110, and the second handle 202 is fixedly connected to the collection tank 105 and is located at the right end of the collection tank 105. The first handle 201 makes it easy for a worker to pull the box door 110 to rotate, and the second handle 202 makes it easy for a worker to pull the collection tank 105 to disassemble it, so that the first handle 201 and the second handle 202 are arranged to make it easier for a worker to operate.

[0041] When using a slitting device of the present embodiment, the first handle 201 facilitates the staff to pull the box door 110 to rotate, and the second handle 202 facilitates the staff to pull the collecting trough 105 to disassemble it. Therefore, the provision of the first handle 201 and the second handle 202 makes it easier for the staff to operate.

[0042] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A slitting device, comprising a substrate, characterized in that: It also includes a first U-shaped plate, a circular blade, a carrying plate, a cutting assembly, two clamping assemblies and a collecting assembly; The collecting assembly comprises a collecting box, a box door, a filter screen and two suction units, each of the suction units comprises a fixed pipe, a first motor, a circular roller, a belt, a first rotating shaft, a fixed plate, a plurality of rotating blades and a dust cover, the carrying plate is provided with an opening, the box door is provided with a vent, the first U-shaped plate is fixedly connected to the base plate and is located at the upper end of the base plate, the cutting assembly is arranged on the first U-shaped plate, the circular ring blade is connected to the cutting assembly, the two clamping assemblies are symmetrically arranged at the upper ends of the base plate, the carrying plate is connected to the two clamping assemblies, the collecting box is fixedly connected to the upper end of the first U-shaped plate, the box door is connected to the The upper end of the collecting box is rotatably connected, the filter is arranged at the vent, one end of the fixed pipe is communicated with the collecting box, the other end of the fixed pipe is communicated with the dust hood, the dust hood is located on the side of the circular blade, the first motor is fixedly connected to the upper end of the fixed pipe, the round roller is fixedly connected to the output end of the first motor, the fixed plate is fixedly connected to the inner top wall of the fixed pipe, the first rotating shaft is rotatably connected to the bottom of the fixed plate, the belts are respectively sleeved on the outside of the round roller and the first rotating shaft, and the belt passes through the top wall of the fixed pipe, and a plurality of the rotating blades are respectively arranged around the first rotating shaft.

2. The slitting device according to claim 1, characterized in that: The cutting assembly includes a first cylinder, a second U-shaped plate, a second rotating shaft and a second motor. The first cylinder is fixedly connected to the inner top wall of the first U-shaped plate, the output end of the first cylinder is fixedly connected to the top of the second U-shaped plate, the second rotating shaft is rotatably connected to the second U-shaped plate and is located inside the second U-shaped plate, the second motor is fixedly connected to the front end of the second U-shaped plate, and the output end of the second motor passes through the front end of the second U-shaped plate and is fixedly connected to the second rotating shaft, and the annular blade is fixedly sleeved on the outside of the second rotating shaft.

3. The slitting device according to claim 2, characterized in that: Each of the clamping assemblies includes a second cylinder, a slide rail, a slider, an L-shaped fixing rod, a third cylinder and a clamping plate. The slide rail is fixedly connected to the base plate and is located at the upper end of the base plate. The second cylinder is fixedly connected to the inner bottom wall of the slide rail. The lower end of the slider is slidably adapted to the slide rail. The upper end of the slider is fixedly connected to the supporting plate. The output end of the second cylinder is fixedly connected to the side of the slider. The bottom of the L-shaped fixing rod is fixedly connected to the upper end of the supporting plate. The third cylinder is fixedly connected to the inner top wall of the L-shaped fixing rod. The output end of the third cylinder is fixedly connected to the clamping plate.

4. The slitting device according to claim 3, characterized in that: The slitting device also includes a collecting groove, the upper end of the collecting groove is provided with two protrusions, the bottom of the carrying plate is provided with two grooves, and the two protrusions are respectively slidably fitted with the corresponding grooves.

5. The slitting device according to claim 4, characterized in that: The slitting device further comprises a plurality of supporting legs, which are respectively fixedly connected to the base plate and are located around the bottom of the base plate.

6. The slitting device according to claim 5, characterized in that: The slitting device further comprises a card slot and a card block, wherein the card slot is fixedly connected to the bottom of the carrying plate, the card block is fixedly connected to the left end of the collecting slot, and the card block is card-matched with the card slot.

7. The slitting device according to claim 6, characterized in that: Each of the suction units further comprises a reinforcement rod, one end of which is fixedly connected to the outer wall of the fixed tube, and the other end of which is fixedly connected to the upper end of the L-shaped fixed rod.

8. The slitting device according to claim 7, characterized in that: The slitting device also includes a first handle and a second handle, wherein the first handle is fixedly connected to the box door and located at the upper end of the box door, and the second handle is fixedly connected to the collecting trough and located at the right end of the collecting trough.

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