CN108656203B - Cutting mechanism - Google Patents
Cutting mechanism Download PDFInfo
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- CN108656203B CN108656203B CN201810602955.2A CN201810602955A CN108656203B CN 108656203 B CN108656203 B CN 108656203B CN 201810602955 A CN201810602955 A CN 201810602955A CN 108656203 B CN108656203 B CN 108656203B
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- Prior art keywords
- dust collection
- pipe
- cutting
- transverse
- branch pipe
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- 238000005520 cutting process Methods 0.000 title claims abstract description 117
- 239000000428 dust Substances 0.000 claims abstract description 153
- 239000000463 material Substances 0.000 claims description 19
- 210000000056 organ Anatomy 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000005491 wire drawing Methods 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D9/00—Cutting apparatus combined with punching or perforating apparatus or with dissimilar cutting apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
- B26D1/085—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type for thin material, e.g. for sheets, strips or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
- B26D1/24—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter
- B26D1/245—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter for thin material, e.g. for sheets, strips or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
- B26D7/1845—Means for removing cut-out material or waste by non mechanical means
- B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Cutting Devices (AREA)
- Sawing (AREA)
Abstract
The embodiment of the invention discloses a cutting mechanism which is used for solving the technical problem that the existing cutting machine generates large dust when cutting prepregs. The embodiment of the invention comprises a longitudinal cutting device, a transverse cutting device and a dust collection device; the slitting device comprises a cutter shaft, a cross beam, a plurality of circular cutters and a plurality of bed cutters; the bed knife is sleeved on the knife shaft; the circular knife is arranged on the cross beam; the circular knife is sleeved with a dust hood, and the top end of the dust hood is provided with a first opening; the transverse cutting device comprises a first transverse cutting knife and a second transverse cutting knife; the bottom end of the second transverse cutter is provided with a dust collection funnel; the bottom end of the dust collection funnel is provided with a second opening part; the longitudinal cutting dust collection device comprises a first branch pipe and a second branch pipe; the opening end of the second branch pipe is communicated with the first opening part of the dust hood on the circular knife; the transverse cutting dust collection device comprises a third branch pipe and a fourth branch pipe; the open end of the fourth branch pipe is communicated with the second opening part on the dust collection funnel.
Description
Technical Field
The invention relates to the technical field of automatic equipment, in particular to a cutting mechanism.
Background
At present, the printed circuit board is widely applied, and is as small as an electronic watch, a calculator, a mobile phone and a general computer, and as large as a computer, communication electronic equipment and a military weapon system, and the printed circuit board is used for electric interconnection only by electronic components such as an integrated circuit and the like. Common printed circuit boards and copper clad laminates are made from prepregs.
At present, a cutting machine is adopted to cut the above-mentioned prepregs, the prepreg coil stock is cut in a strip and block mode, the prepregs at the cutting position are heated and then cut by a non-contact heating technology, and the biggest problem faced by cutting the prepregs or the PCB is that the edges of the cuts can be whitened and layered, and a lot of broken fine resin and glass fiber dust are generated. In addition, in the cutting process, the generated broken fine resin and glass fiber dust can directly pollute the working environment and health, and influence the physical health of operators and the clean production of a slitting workshop.
Therefore, finding a cutting mechanism that reduces dust generation is an important subject of investigation by those skilled in the art.
Disclosure of Invention
The embodiment of the invention discloses a cutting mechanism which is used for solving the technical problem that the existing cutting machine generates large dust when cutting prepregs.
The embodiment of the invention provides a cutting mechanism, which comprises a first rack, a second rack, a longitudinal cutting device, a transverse cutting device and a dust collection device;
the first rack and the second rack are arranged in parallel relatively;
the slitting device comprises a cutter shaft, a cross beam, a plurality of circular cutters and a plurality of bed cutters; the cutter shaft is bridged between the first frame and the second frame, and the bottom cutter is sleeved on the cutter shaft; the cross beam is bridged between the first frame and the second frame, the cross beam and the cutter shaft are parallel to each other, and the cross beam and the cutter shaft are positioned on the same horizontal plane; the circular knife is arranged on the cross beam and can be driven to approach the edge of the bottom knife on the knife shaft, so that the material is longitudinally cut; the circular knife is sleeved with a dust hood, and the top end of the dust hood is provided with a first opening;
the transverse cutting device comprises a first transverse cutting knife and a second transverse cutting knife; the first transverse cutter and the second transverse cutter are bridged between the first rack and the second rack; the first transverse cutter is arranged right above the second transverse cutter and can be driven to move in the vertical direction so as to be matched with the second transverse cutter to transversely cut the material; the bottom end of the second transverse cutter is provided with a dust collection funnel; the bottom end of the dust collection funnel is provided with a second opening part;
the dust collection device comprises a longitudinal cutting dust collection device, a transverse cutting dust collection device, an auxiliary dust collection pipe and a main dust collection pipe; the longitudinal cutting dust collection device is connected with the main dust collection pipe through the auxiliary dust collection pipe; the transverse cutting dust collection device is connected with the main dust collection pipe;
the longitudinal cutting dust collection device comprises a first branch pipe and a plurality of second branch pipes communicated with the first branch pipe; the opening end of the second branch pipe is communicated with the first opening part of the dust hood on the circular knife;
the transverse cutting dust collection device comprises a third branch pipe and a plurality of fourth branch pipes communicated with the third branch pipe; the opening end of the fourth branch pipe is communicated with a second opening part on the dust collection funnel;
the open end of the main dust collection pipe is connected with an exhaust fan, and the exhaust fan is used for absorbing dust generated by the longitudinal cutting device and the transverse cutting device.
Optionally, one end of the circular knife is connected with a driving device; the driving device is used for driving the circular knife to approach the edge of the bed knife on the knife shaft.
Optionally, a guide rail is arranged on the surface of the cross beam;
the bottom end of the driving device is connected with a mounting plate; a connecting block is arranged at the bottom end of the mounting plate;
the bottom end of the connecting block is fixedly connected with a sliding block; the sliding block is movably connected with the guide rail.
Optionally, a nut bracket is arranged on one side of the connecting block;
and the nut bracket is provided with an adjusting nut, and when the adjusting nut presses the cross beam, the sliding block stops moving on the guide rail.
Optionally, an organ cover is sleeved on the cross beam;
the organ cover is arranged on the guide rail.
Optionally, the longitudinal cutting dust collection device further comprises a first connecting pipe;
the second branch pipe is communicated with the first branch pipe through the first connecting pipe, and the pipe diameter of the first connecting pipe is larger than that of the second branch pipe.
Optionally, the first connection pipe forms an angle of 135 ° with the first branch pipe.
Optionally, the dust collection device further comprises a second connecting pipe;
the auxiliary dust collection pipe is communicated with the main dust collection pipe through the second connecting pipe;
the included angle between the second connecting pipe and the main dust collection pipe is 135 degrees.
Optionally, the transverse dust collection device further comprises a third connecting pipe;
the fourth branch pipe is communicated with the third branch pipe through the third connecting pipe, and the pipe diameter of the third connecting pipe is larger than that of the fourth branch pipe.
Optionally, the third connecting pipe and the third branch pipe have an included angle of 135 °.
From the above technical solutions, the embodiment of the present invention has the following advantages:
the embodiment of the invention provides a cutting mechanism, which comprises a first rack, a second rack, a longitudinal cutting device, a transverse cutting device and a dust collection device; the first rack and the second rack are arranged in parallel relatively; the slitting device comprises a cutter shaft, a cross beam, a plurality of circular cutters and a plurality of bed cutters; the cutter shaft is bridged between the first frame and the second frame, and the bottom cutter is sleeved on the cutter shaft; the cross beam is bridged between the first frame and the second frame, the cross beam and the cutter shaft are parallel to each other, and the cross beam and the cutter shaft are positioned on the same horizontal plane; the circular knife is arranged on the cross beam and can be driven to approach the edge of the bottom knife on the knife shaft, so that the material is longitudinally cut; the circular knife is sleeved with a dust hood, and the top end of the dust hood is provided with a first opening; the transverse cutting device comprises a first transverse cutting knife and a second transverse cutting knife; the first transverse cutter and the second transverse cutter are bridged between the first rack and the second rack; the first transverse cutter is arranged right above the second transverse cutter and can be driven to move in the vertical direction so as to be matched with the second transverse cutter to transversely cut the material; the bottom end of the second transverse cutter is provided with a dust collection funnel; the bottom end of the dust collection funnel is provided with a second opening part; the dust collection device comprises a longitudinal cutting dust collection device, a transverse cutting dust collection device, an auxiliary dust collection pipe and a main dust collection pipe; the longitudinal cutting dust collection device is connected with the main dust collection pipe through the auxiliary dust collection pipe; the transverse cutting dust collection device is connected with the main dust collection pipe; the longitudinal cutting dust collection device comprises a first branch pipe and a plurality of second branch pipes communicated with the first branch pipe; the opening end of the second branch pipe is communicated with the first opening part of the dust hood on the circular knife; the transverse cutting dust collection device comprises a third branch pipe and a plurality of fourth branch pipes communicated with the third branch pipe; the opening end of the fourth branch pipe is communicated with a second opening part on the dust collection funnel; the open end of the main dust collection pipe is connected with an exhaust fan, and the exhaust fan is used for absorbing dust generated by the longitudinal cutting device and the transverse cutting device. In this embodiment, adopt mobilizable circular knife to join in marriage the bed knife, cut the effect and be difficult for producing wire drawing and falling metal powder bits to the PP material for traditional pressure cutting mode, further, all be equipped with transection dust extraction and longitudinal cutting dust extraction on transection device and the longitudinal cutting device, can absorb the dust that produces when cutting, reduced the production of dust by a wide margin, reduced the pollution to the environment, guaranteed operating personnel's healthy.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of a cutting mechanism according to an embodiment of the present invention;
FIG. 2 is a side view in cross-section of a cutting mechanism according to an embodiment of the present invention;
fig. 3 is a schematic front view of a slitting device in a slitting mechanism according to an embodiment of the present invention;
fig. 4 is a schematic view of a back structure of a slitting device in a slitting mechanism according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a dust suction device in a cutting mechanism according to an embodiment of the present invention;
illustration of: the device comprises a first frame 1, a second frame 2, a longitudinal cutting device 3, a transverse cutting device 4, a longitudinal cutting dust suction device 5, a secondary dust suction pipe 6, a main dust suction pipe 7, a transverse cutting dust suction device 8, a dust suction hopper 9, a first transverse cutter 10, a second transverse cutter 11, a cutter shaft 12, a bottom cutter 13, a cross beam 14, a guide rail 15, a dust suction cover 16, a driving device 17, a mounting plate 18, a connecting block 19, a sliding block 20, an organ cover 21, a nut bracket 22, an adjusting nut 23, a first opening 24, a circular cutter 25, a first branch pipe 26, a second branch pipe 27, a first connecting pipe 28, a second connecting pipe 29, a third branch pipe 30, a fourth branch pipe 31, a third connecting pipe 32, an opening end 33 and a second opening 34.
Detailed Description
The embodiment of the invention discloses a cutting mechanism which is used for solving the technical problem that the existing cutting machine generates large dust when cutting prepregs.
In order to better understand the aspects of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 5, an embodiment of a cutting mechanism according to the present invention includes:
a first frame 1, a second frame 2, a slitting device 3, a transverse cutting device 4 and a dust collection device;
the first rack 1 and the second rack 2 are arranged in parallel relatively;
the slitting device 3 comprises a cutter shaft 12, a cross beam 14, a plurality of circular cutters 25 and a plurality of bed cutters 13; the cutter shaft 12 is bridged between the first frame 1 and the second frame 2, and the bottom cutter 13 is sleeved on the cutter shaft 12;
the bed knife 13 is a circular ring-shaped bed knife 13, and a plurality of bed knives 13 are sleeved on the cutter shaft 12 and can move along the direction of the cutter shaft 12;
the cross beam 14 is bridged between the first frame 1 and the second frame 2, the cross beam 14 and the cutter shaft 12 are parallel to each other, and the cross beam 14 and the cutter shaft 12 are positioned on the same horizontal plane; the circular knife 25 is arranged on the cross beam 14 and can be driven to approach the edge of the bottom knife 13 on the knife shaft 12 so as to longitudinally cut the material; the circular knife 25 is sleeved with a dust hood 16, and the top end of the dust hood 16 is provided with a first opening 24; the bed knife 13 is fixed on the bed knife 13 shaft 12, and the movable circular knife 25 is fixed on the adjusting mechanism; the center of the shaft 12 of the movable circular knife 25 is slightly lower than the center of the shaft 12 of the bed knife 13, and the cutting edge surfaces of the movable circular knife 25 are positioned at two sides of the bed knife 13 (axially) in the direction;
when not sheared, the PP material passes through the gap between the bed knife 13 and the circular knife 25; the driving device 17 pushes the circular knife 25 to move forwards and radially overlap the bottom knife 13 during shearing, so that the shearing of PP materials is realized; compared with the traditional pressing and cutting mode, the cutting effect is not easy to produce wiredrawing and metal dust falling on the PP material.
The transverse cutting device 4 comprises a first transverse cutting knife 10 and a second transverse cutting knife 11; the first transverse cutter 10 and the second transverse cutter 11 are connected between the first frame 1 and the second frame 2 in a bridging way; the first transverse cutter 10 is arranged right above the second transverse cutter 11, and the first transverse cutter 10 can be driven to move in the vertical direction so as to be matched with the second transverse cutter 11, so that the material is transversely cut; the bottom end of the second transverse cutter 11 is provided with a dust collection funnel 9; the bottom end of the dust collection funnel 9 is provided with a second opening 34;
the first transverse cutter 10 moves downward toward the second transverse cutter 11, so that the material is transversely cut, the dust collection funnel 9 is disposed directly under the second transverse cutter 11, and dust generated during transverse cutting falls into the dust collection funnel 9.
The dust collection device comprises a longitudinal cutting dust collection device 5, a transverse cutting dust collection device 8, an auxiliary dust collection pipe 6 and a main dust collection pipe 7; the longitudinal cutting dust collection device 5 is connected with a main dust collection pipe 7 through a secondary dust collection pipe 6; the transverse dust collection device 8 is connected with the main dust collection pipe 7;
the longitudinal cutting dust suction device 5 comprises a first branch pipe 27 and a plurality of second branch pipes communicated with the first branch pipe 27; the opening end 33 of the second branch pipe is communicated with the first opening part 24 of the dust hood 16 on the circular knife 25;
the second branch pipe is connected to the first opening 24 of the suction hood 16, and dust generated by the longitudinal cutting is sucked by the main suction pipe 7, so that the generation of dust is reduced.
The transverse dust suction device 8 comprises a third branch pipe 30 and a plurality of fourth branch pipes 31 communicated with the third branch pipe 30; the opening end 33 of the fourth branch pipe 31 is communicated with the second opening 34 on the dust collection funnel 9;
the fourth branch pipe 31 is connected to the second opening 34 at the bottom end of the dust collection funnel 9, and when the transverse cutting device 4 cuts the material, the generated dust falls into the dust collection funnel 9, is finally sucked by the fourth branch pipe 31, and is discharged through the main dust collection pipe 7.
An exhaust fan is connected to the open end 33 of the main suction pipe 7 for sucking dust generated by the slitting device 3 and the crosscutting device 4.
In this embodiment, the movable circular knife 25 is matched with the bed knife 13, so that the cutting effect is not easy to produce wire drawing and metal powder dust falling on the PP material relative to the traditional pressing cutting mode, and further, the transverse cutting dust collection device 8 and the longitudinal cutting dust collection device 5 are arranged on the transverse cutting device 4 and the longitudinal cutting device 3, so that dust generated during cutting can be absorbed, the generation of dust is greatly reduced, the pollution to the environment is reduced, and the health of operators is ensured.
Further, referring to fig. 3 and 4, a driving device 17 is connected to one end of the circular knife 25; the driving device 17 is used for driving the circular knife 25 to approach the edge of the bed knife 13 on the knife shaft 12;
it should be noted that the driving device 17 may be an air cylinder or a motor, and the driving device 17 in this embodiment adopts a pneumatic manner.
Further, a guide rail 15 is provided on the surface of the cross beam 14;
the bottom end of the driving device 17 is connected with a mounting plate 18; the bottom end of the mounting plate 18 is provided with a connecting block 19; the bottom end of the connecting block 19 is fixedly connected with a sliding block 20; the sliding block 20 is movably connected with the guide rail 15;
the circular knife 25 is driven to move along the direction of the cross beam 14 by the sliding block 20 moving on the guide rail 15.
Further, a nut bracket 22 is provided at one side of the connection block 19;
the nut bracket 22 is provided with an adjusting nut 23, and when the adjusting nut 23 presses the cross beam 14, the sliding block 20 stops moving on the guide rail 15;
when the left and right positions of the circular knife 25 are not required to be changed, the adjusting nut 23 is required to press the cross beam 14, and the slide block 20 stops moving on the guide rail 15, so that the circular knife 25 cannot be displaced left and right.
Further, an organ cover 21 is sleeved on the cross beam 14;
the organ cover 21 is arranged on the guide rail 15;
the guide rail 15 is provided with an organ cover 21, so that dust generated during slitting can be prevented from falling onto the guide rail 15, and the slide block 20 cannot move smoothly on the guide rail 15.
Further, referring to fig. 5, the longitudinal dust suction device 5 further includes a first connecting pipe 28;
the second branch pipe is communicated with the first branch pipe 27 through a first connecting pipe 28, and the pipe diameter of the first connecting pipe 28 is larger than that of the second branch pipe.
The first connecting pipe 28 forms an angle of 135 deg. with the first branch pipe 27;
it should be noted that, the first connecting pipe 28 is gradually reduced to the second branch pipe, and the included angle between the first connecting pipe 28 and the second branch pipe is 135 degrees, so as to reduce the loss of the negative pressure dust collection airflow speed and the pressure.
Further, the dust collection device further comprises a second connecting pipe 29;
the auxiliary dust suction pipe 6 is communicated with the main dust suction pipe 7 through a second connecting pipe 29;
the included angle between the second connecting pipe 29 and the main dust collection pipe 7 is 135 degrees;
the included angle between the second connecting pipe 29 and the main dust suction pipe 7 is 135 degrees, so as to reduce the loss of negative pressure dust suction airflow speed and pressure.
Further, the transverse dust suction device 8 further comprises a third connecting tube 32;
the fourth branch pipe 31 communicates with the third branch pipe 30 through a third connection pipe 32, and the third connection pipe 32 has a pipe diameter larger than that of the fourth branch pipe 31.
The third connecting pipe 32 forms an angle of 135 degrees with the third branch pipe 30;
it should be noted that, the third connecting pipe 32 to the fourth branch pipe 31 gradually decrease, and the included angle between the third connecting pipe 32 and the third branch pipe 30 is 135 degrees, so as to reduce the loss of the negative pressure dust collection airflow speed and the pressure.
The cutting mechanism in the embodiment can be applied to a prepreg cutting machine.
The foregoing describes a structure of a cutting mechanism according to the embodiment of the present invention in detail, and the following describes the mechanism further according to a specific working principle, where an application example of the cutting mechanism according to the embodiment of the present invention includes:
referring to fig. 1 to 5, when the material reaches the slitting device 3 from the feeding end, the circular knife 25 is driven by the driving device 17 to move towards the edge of the bed knife 13, so as to cut the material longitudinally, when the material is cut longitudinally, the generated dust is sucked by the second branch pipe through the first opening 24 on the dust suction hood 16, finally discharged through the auxiliary dust suction pipe 6 and the main dust suction pipe 7, and when the material is transported to the transverse cutting device 4 for transverse cutting, the generated dust is sucked by the fourth branch pipe 31 through the second opening 34 on the dust suction hopper 9, and finally discharged through the main dust suction pipe 7.
While the present invention has been described in detail with respect to a cutting mechanism, those skilled in the art will recognize that the present invention is not limited to the embodiments and applications described above.
Claims (9)
1. The cutting mechanism is characterized by comprising a first frame, a second frame, a longitudinal cutting device, a transverse cutting device and a dust collection device;
the first rack and the second rack are arranged in parallel relatively;
the slitting device comprises a cutter shaft, a cross beam, a plurality of circular cutters and a plurality of bed cutters; the cutter shaft is bridged between the first frame and the second frame, and the bottom cutter is sleeved on the cutter shaft; the cross beam is bridged between the first frame and the second frame, the cross beam and the cutter shaft are parallel to each other, and the cross beam and the cutter shaft are positioned on the same horizontal plane; the circular knife is arranged on the cross beam and can be driven to approach the edge of the bottom knife on the knife shaft, so that the material is longitudinally cut; the circular knife is sleeved with a dust hood, and the top end of the dust hood is provided with a first opening;
the transverse cutting device comprises a first transverse cutting knife and a second transverse cutting knife; the first transverse cutter and the second transverse cutter are bridged between the first rack and the second rack; the first transverse cutter is arranged right above the second transverse cutter and can be driven to move in the vertical direction so as to be matched with the second transverse cutter to transversely cut the material; the bottom end of the second transverse cutter is provided with a dust collection funnel; the bottom end of the dust collection funnel is provided with a second opening part;
the dust collection device comprises a longitudinal cutting dust collection device, a transverse cutting dust collection device, an auxiliary dust collection pipe, a second connecting pipe and a main dust collection pipe; the longitudinal cutting dust collection device is connected with the main dust collection pipe through the auxiliary dust collection pipe; the transverse cutting dust collection device is connected with the main dust collection pipe; the auxiliary dust collection pipe is communicated with the main dust collection pipe through the second connecting pipe;
the longitudinal cutting dust collection device comprises a first branch pipe and a plurality of second branch pipes communicated with the first branch pipe; the opening end of the second branch pipe is communicated with the first opening part of the dust hood on the circular knife;
the transverse cutting dust collection device comprises a third branch pipe and a plurality of fourth branch pipes communicated with the third branch pipe; the opening end of the fourth branch pipe is communicated with a second opening part on the dust collection funnel;
the opening end of the main dust collection pipe is connected with an exhaust fan, and the exhaust fan is used for absorbing dust generated by the longitudinal cutting device and the transverse cutting device;
one end of the circular knife is connected with a driving device; the driving device is used for driving the circular knife to approach the edge of the bed knife on the knife shaft.
2. The cutting mechanism of claim 1, wherein the surface of the cross beam is provided with a guide rail;
the bottom end of the driving device is connected with a mounting plate; a connecting block is arranged at the bottom end of the mounting plate; the bottom end of the connecting block is fixedly connected with a sliding block; the sliding block is movably connected with the guide rail.
3. The cutting mechanism of claim 2, wherein a nut bracket is provided on one side of the connection block;
and the nut bracket is provided with an adjusting nut, and when the adjusting nut presses the cross beam, the sliding block stops moving on the guide rail.
4. The cutting mechanism of claim 2, wherein the cross beam is sleeved with an organ cover;
the organ cover is arranged on the guide rail.
5. The cutting mechanism of claim 1, wherein the longitudinal cutting dust extraction further comprises a first connecting tube;
the second branch pipe is communicated with the first branch pipe through the first connecting pipe, and the pipe diameter of the first connecting pipe is larger than that of the second branch pipe.
6. The cutting mechanism of claim 5, wherein the first connecting tube is angled at 135 ° from the first branch tube.
7. The cutting mechanism of claim 1, wherein,
the included angle between the second connecting pipe and the main dust collection pipe is 135 degrees.
8. The cutting mechanism of claim 1, wherein the transverse cutting dust extraction further comprises a third connecting tube;
the fourth branch pipe is communicated with the third branch pipe through the third connecting pipe, and the pipe diameter of the third connecting pipe is larger than that of the fourth branch pipe.
9. The cutting mechanism of claim 8, wherein the third connecting tube is angled at 135 ° from the third branch tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810602955.2A CN108656203B (en) | 2018-06-12 | 2018-06-12 | Cutting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810602955.2A CN108656203B (en) | 2018-06-12 | 2018-06-12 | Cutting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108656203A CN108656203A (en) | 2018-10-16 |
| CN108656203B true CN108656203B (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810602955.2A Active CN108656203B (en) | 2018-06-12 | 2018-06-12 | Cutting mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN108656203B (en) |
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| CN111604980A (en) * | 2020-03-24 | 2020-09-01 | 广西真龙实业有限责任公司 | Dust removal device of splitting machine |
| CN112792898B (en) * | 2021-04-12 | 2021-06-25 | 苏州维嘉科技股份有限公司 | Dust suction device for circuit board processing equipment |
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| JP2003340782A (en) * | 2002-05-30 | 2003-12-02 | Taiyoo Seisakusho:Kk | Rotary cutter |
| CN104441035A (en) * | 2014-11-28 | 2015-03-25 | 广东正业科技股份有限公司 | Trimming machine and method |
| CN105128050A (en) * | 2015-09-26 | 2015-12-09 | 长沙长泰智能装备有限公司 | Longitudinally cutting system of high-speed precision paper cutter |
| CN205238149U (en) * | 2015-12-30 | 2016-05-18 | 龙宇电子(梅州)有限公司 | Dustless guillootine of prepreg |
| CN208497144U (en) * | 2018-06-12 | 2019-02-15 | 广东正业科技股份有限公司 | A kind of cutting mechanism |
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- 2018-06-12 CN CN201810602955.2A patent/CN108656203B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003340782A (en) * | 2002-05-30 | 2003-12-02 | Taiyoo Seisakusho:Kk | Rotary cutter |
| CN104441035A (en) * | 2014-11-28 | 2015-03-25 | 广东正业科技股份有限公司 | Trimming machine and method |
| CN105128050A (en) * | 2015-09-26 | 2015-12-09 | 长沙长泰智能装备有限公司 | Longitudinally cutting system of high-speed precision paper cutter |
| CN205238149U (en) * | 2015-12-30 | 2016-05-18 | 龙宇电子(梅州)有限公司 | Dustless guillootine of prepreg |
| CN208497144U (en) * | 2018-06-12 | 2019-02-15 | 广东正业科技股份有限公司 | A kind of cutting mechanism |
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| CN108656203A (en) | 2018-10-16 |
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