CN209812505U

CN209812505U - Prepreg cutting device

Info

Publication number: CN209812505U
Application number: CN201920617705.6U
Authority: CN
Inventors: 王劲; 付远志; 周亮; 林立明
Original assignee: CHENGDU TOMORROW HIGH TECHNOLOGY INDUSTRY Co Ltd
Current assignee: CHENGDU TOMORROW HIGH TECHNOLOGY INDUSTRY Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2019-12-20
Anticipated expiration: 2029-04-30

Abstract

The utility model relates to the field of circuit board production equipment, and discloses a prepreg cutting device, which comprises a conveying mechanism, a cutting mechanism and a dust removal mechanism, wherein the conveying mechanism comprises a conveying frame, a feeding roller set, a transmission roller set and a driving assembly for driving the transmission roller set to rotate; the cutting mechanism comprises a longitudinal cutting assembly and a pair of transverse cutting assemblies; the dust removal mechanism comprises a cover body and a dust removal assembly, the cover body is installed on the conveying frame, the longitudinal cutting assembly and the transverse cutting assembly are covered in the cover body in a cage mode, and the dust removal assembly is used for collecting dust or scraps generated by the longitudinal cutting assembly and the transverse cutting assembly in the prepreg cutting process. The utility model discloses a dust removal subassembly absorbs or collects dust, the piece that the in-process produced that cuts, reduces dust pollution, protects the operation environment of prepreg workshop.

Description

Prepreg cutting device

Technical Field

The utility model relates to a circuit board production facility field particularly, relates to a prepreg cutting device.

Background

Common rigid Printed Circuit Boards (PCBs) and Copper Clad Laminates (CCLs) are basically epoxy glass cloth-based double-sided printed circuit boards, and the used substrates are epoxy resin or other resins with semi-curing agents pre-impregnated in glass cloth bases, and the epoxy resin with the semi-curing agents is cured on the surfaces of the glass cloth bases by rolling to form semi-cured resin glass fiber cloth substrates, namely semi-cured sheets. In the prior art, a large-sized belt-shaped prepreg is provided in the market, and a rectangular belt-shaped prepreg is generally cut into smaller rectangular prepreg finished products according to the size of a circuit board to be manufactured. The existing mode is to cut the prepreg through manual cutting or automatic equipment, wherein the manual cutting efficiency is low, the labor cost is high, and the method is not suitable for batch production; the automatic equipment has high cutting speed and high efficiency, but the strip-shaped semi-cured sheets are hard and brittle, and easily generate dust and scraps in the cutting process, so that the environmental pollution is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prepreg cutting device can reduce the dust pollution who cuts the in-process.

In order to realize the purpose, the utility model discloses a technical scheme be: a prepreg cutting device comprises a conveying mechanism, a cutting mechanism and a dust removal mechanism, wherein the conveying mechanism comprises a conveying frame, a feeding roller set, a conveying roller set and a driving assembly for driving the conveying roller set to rotate; the cutting mechanism comprises a longitudinal cutting assembly and a pair of transverse cutting assemblies, the longitudinal cutting assembly is vertically arranged along the conveying direction of the conveying frame, and the transverse cutting assemblies are symmetrically arranged on two sides of the conveying frame along the conveying direction of the conveying frame; the dust removal mechanism comprises a cover body and a dust removal assembly, the cover body is installed on the conveying frame, the longitudinal cutting assembly and the transverse cutting assembly are covered in the cover body in a cage mode, and the dust removal assembly is used for collecting dust or scraps generated by the longitudinal cutting assembly and the transverse cutting assembly in the prepreg cutting process.

Furthermore, the dust removal assembly comprises an exhaust fan, a dust removal liquid tank and a debris collection device, dust removal liquid capable of adsorbing dust is filled in the dust removal liquid tank, the inlet end of the exhaust fan is arranged at the top of the cover body, the outlet end of the exhaust fan is connected with the dust removal liquid tank through an air pipe, and one end of the air pipe is immersed in the dust removal liquid; the debris collecting device comprises two groups of funnels and a collecting box connected with the funnels, and the funnels are arranged at the bottom gap of the conveying roller group.

Further, the debris collecting device comprises a first debris collecting device and a second debris collecting device, the first debris collecting device is installed at the bottom of the conveying roller group corresponding to the longitudinal cutting assembly, and the second debris collecting device is installed at the bottom of the conveying roller group corresponding to the transverse cutting assembly.

Further, the transverse cutting assembly comprises an air cylinder and a wheel cutter set connected with the air cylinder.

Further, it still is provided with adjusting part to cut the mechanism, adjusting part includes first lead screw, second lead screw and the slider of being connected with first lead screw and second lead screw cooperation, first lead screw passes through the mount and installs on the conveying frame, the both ends symmetry of second lead screw sets up opposite direction's screw thread, the cylinder pass through the connecting block symmetry install in the both ends of second lead screw.

Further, the driving assembly comprises a motor and a gear set in transmission connection with an output shaft of the motor.

Further, the cover body is made of a transparent material.

The utility model has the advantages that:

the utility model discloses be provided with dust removal mechanism, the dust that cuts prepreg in-process production is absorb by the air exhauster, through pipeline transmission to dust removal liquid tank, and the dust is adsorbed by the dust removal liquid, deposits in dust removal liquid bottom of the case portion. The scraps produced in the prepreg cutting process slide down along the transmission roller group, and the falling scraps can be collected by a funnel of the scrap collecting device and collected in a collecting box, so that the influence on the normal operation of a driving assembly caused by the falling scraps in the driving assemblies such as a motor and a gear set is avoided. The utility model discloses a dust removal subassembly absorbs or collects dust, the piece that the in-process produced that cuts, reduces dust pollution, protects the operation environment of prepreg workshop.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the adjusting assembly of the present invention.

Reference numerals: 100-conveying mechanism, 110-conveying frame, 120-feeding roller group, 130-conveying roller group, 140-driving assembly, 210-longitudinal cutting assembly, 220-transverse cutting assembly, 221-air cylinder, 222-wheel cutter group, 230-adjusting assembly, 231-first screw rod, 232-second screw rod, 233-slide block, 234-fixing frame, 235-connecting block, 300-dust removing mechanism, 310-cover body, 321-exhaust fan, 322-air pipe, 323-dust removing liquid box, 324-first chip collecting device, 325-second chip collecting device, 326-funnel and 327-collecting box.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings.

Referring to fig. 1, a prepreg cutting device includes a conveying mechanism 100, a cutting mechanism and a dust removing mechanism 300, the conveying mechanism 100 includes a conveying frame 110, a feed roller set 120, a transmission roller set 130 and a driving assembly 140 for driving the transmission roller set 130 to rotate, and the driving assembly 140 includes a motor and a gear set in transmission connection with an output shaft of the motor. The cutting mechanism comprises a longitudinal cutting assembly 210 and a pair of transverse cutting assemblies 220, the longitudinal cutting assembly 210 is vertically arranged along the conveying direction of the conveying frame 110, and the transverse cutting assemblies 220 are symmetrically arranged on two sides of the conveying frame 110 along the conveying direction of the conveying frame 110. The transverse cutting assembly 220 comprises a cylinder 221 and a wheel cutter set 222 connected with the cylinder 221, and the longitudinal cutting assembly 210 comprises a blade. When cutting the prepreg, the cylinder pushes the wheel cutter set 222 to be close to the feeding roller set 120, so that the cutting edge of the wheel cutter set 222 pierces the prepreg and is tightly pressed on the feeding roller set 120 with higher surface hardening strength. In the cutting and slitting process, the cutting edges of the wheel cutter set 222 are always pressed against the feeding roller set 120, and the belt-shaped prepreg is cut into a required width size when passing through the cutting edges of the wheel cutter set 222 under the rotation of the transmission roller set 130; when the tape-shaped prepreg travels a certain distance on the transfer frame 110 to reach a desired length dimension, the blades of the longitudinal cutting unit 210 fall down to cut the prepreg having a length and width dimension.

The dust removing mechanism 300 includes a cover 310 and a dust removing assembly, the cover 310 is mounted on the conveying frame 110, the longitudinal cutting assembly 210 and the transverse cutting assembly 220 are covered in the cover 310, and the dust removing assembly is used for collecting dust or debris generated in the process of cutting the prepreg by the longitudinal cutting assembly 210 and the transverse cutting assembly 220. The dust removal subassembly includes air exhauster 321, dust removal liquid case 323 and piece collection device, the dust removal liquid that is equipped with the adsorbable dust in the dust removal liquid case 323, the entry end of air exhauster 321 set up in the top of lid 310, the exit end of air exhauster 321 pass through tuber pipe 322 with dust removal liquid case 323 is connected, the one end submergence of tuber pipe 322 is in the dust removal liquid. The debris collecting means includes two sets of funnels 326 and a collecting bin 327 connected to the funnels 326, the funnels 326 being mounted at the bottom gap of the transfer roller set 130. Dust generated in the prepreg cutting process is sucked by the exhaust fan 321, is transmitted to the dedusting liquid tank 323 through a pipeline, is adsorbed by the dedusting liquid, and is precipitated at the bottom of the dedusting liquid tank 323. Debris generated during the cutting of the prepreg is not easily sucked by the suction fan 321, and the debris slides down along the transfer roller group 130. The hopper 326 of the debris collection device collects the falling debris and collects it in a collection bin 327 to prevent the debris from drifting into the drive assembly 140, such as a motor, gear train, etc., and affecting the operation of the drive assembly 140.

The debris collecting device comprises a first debris collecting device 324 and a second debris collecting device 325, wherein the first debris collecting device 324 is arranged at the bottom of the conveying roller group 130 corresponding to the longitudinal cutting assembly 210, and the second debris collecting device 325 is arranged at the bottom of the conveying roller group 130 corresponding to the transverse cutting assembly 220. The first debris collecting device 324 can collect debris resulting from longitudinal cutting and the second debris collecting device 325 can collect debris resulting from transverse cutting.

Referring to fig. 1 and 2, the cutting mechanism is further provided with an adjusting assembly 230, the adjusting assembly 230 includes a first lead screw 231, a second lead screw 232 and a slider 233 cooperatively connected with the first lead screw 231 and the second lead screw 232, the first lead screw 231 is mounted on the conveying frame 110 through a fixing frame 234, two ends of the second lead screw 232 are symmetrically provided with threads in opposite directions, and the air cylinder 221 is symmetrically mounted at two ends of the second lead screw 232 through a connecting block 235. Rotating the first lead screw 231, and sliding the slider 233 on the first lead screw 231 left and right, so as to drive the cylinder 221 to move left and right, and then adjust the position of the flywheel knife set 222; the second screw 232 is rotated, and the threads of the connecting block 235 are matched with the threads of the second screw 232 to drive the two cylinders 221 to move in opposite directions, so that the relative distance between the two cutter groups 222 is adjusted, and prepregs with different widths are cut out.

In this embodiment, the cover 310 is made of a transparent material, so as to observe the cutting condition inside the cover 310.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a prepreg cutting device which characterized in that: the automatic cutting and dedusting device comprises a conveying mechanism, a cutting mechanism and a dedusting mechanism, wherein the conveying mechanism comprises a conveying frame, a feeding roller set, a conveying roller set and a driving assembly for driving the conveying roller set to rotate;

the cutting mechanism comprises a longitudinal cutting assembly and a pair of transverse cutting assemblies, the longitudinal cutting assembly is vertically arranged along the conveying direction of the conveying frame, and the transverse cutting assemblies are symmetrically arranged on two sides of the conveying frame along the conveying direction of the conveying frame;

the dust removal mechanism comprises a cover body and a dust removal assembly, the cover body is installed on the conveying frame, the longitudinal cutting assembly and the transverse cutting assembly are covered in the cover body in a cage mode, and the dust removal assembly is used for collecting dust or scraps generated by the longitudinal cutting assembly and the transverse cutting assembly in the prepreg cutting process.

2. The prepreg cutting apparatus according to claim 1, wherein: the dust removal assembly comprises an exhaust fan, a dust removal liquid tank and a debris collection device, dust-absorbable dust removal liquid is filled in the dust removal liquid tank, the inlet end of the exhaust fan is arranged at the top of the cover body, the outlet end of the exhaust fan is connected with the dust removal liquid tank through an air pipe, and one end of the air pipe is immersed in the dust removal liquid; the debris collecting device comprises two groups of funnels and a collecting box connected with the funnels, and the funnels are arranged at the bottom gap of the conveying roller group.

3. The prepreg cutting apparatus according to claim 2, wherein: the debris collecting device comprises a first debris collecting device and a second debris collecting device, the first debris collecting device is installed at the bottom of the conveying roller group corresponding to the longitudinal cutting assembly, and the second debris collecting device is installed at the bottom of the conveying roller group corresponding to the transverse cutting assembly.

4. The prepreg cutting apparatus according to claim 1, wherein: the transverse cutting assembly comprises an air cylinder and a wheel cutter set connected with the air cylinder.

5. The prepreg cutting apparatus according to claim 4, wherein: the cutting mechanism is further provided with an adjusting assembly, the adjusting assembly comprises a first lead screw, a second lead screw and a sliding block connected with the first lead screw and the second lead screw in a matched mode, the first lead screw is installed on the conveying frame through a fixing frame, threads in opposite directions are symmetrically arranged at two ends of the second lead screw, and the air cylinder is symmetrically installed at two ends of the second lead screw through connecting blocks.

6. The prepreg cutting apparatus according to claim 1, wherein: the driving assembly comprises a motor and a gear set in transmission connection with an output shaft of the motor.

7. The prepreg cutting apparatus according to any one of claims 1 to 6, characterized in that: the cover body is made of a transparent material.