CN219522295U

CN219522295U - Sheet cutting machine with water cooling structure

Info

Publication number: CN219522295U
Application number: CN202320401900.1U
Authority: CN
Inventors: 师伟伟; 古妙雄; 莫敏琪
Original assignee: Dongguan Cijin Electronic Technology Co ltd
Current assignee: Dongguan Cijin Electronic Technology Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-08-15
Anticipated expiration: 2033-03-07

Abstract

The utility model relates to a sheet cutting machine with a water cooling structure, which belongs to the technical field of cutting machines and comprises a frame, a strip splitting platform, a longitudinal strip splitting mechanism and a transverse cutting mechanism, wherein the longitudinal strip splitting mechanism comprises a supporting beam, a heating lamp tube and a strip splitting knife set, the outer part of the heating lamp tube is a lamp bracket, two ends of the lamp bracket are respectively provided with a water injection interface and a water outlet interface which are used for being connected with an external water cooling machine, the inside of the lamp bracket is provided with a circulating cavity, two ends of the circulating cavity are respectively in conductive connection with the water injection interface and the water outlet interface, cold and heat exchange can be carried out between the circulating cavity and the heating lamp tube, so that heat generated by the heating lamp tube during working can be conducted into cooling water in the circulating cavity, the effect of circulating circulation of the cooling water in the circulating cavity can be achieved, the heating lamp tube which works for a long time can be effectively cooled, and the service durability of the heating lamp tube can be improved.

Description

Sheet cutting machine with water cooling structure

Technical Field

The utility model relates to the technical field of cutting machines, in particular to a sheet cutting machine with a water cooling structure.

Background

The insulating layer between the PCB lines is generally formed by epoxy resin prepregs, and the cutting machine is mainly used for cutting the epoxy resin prepregs for coil stock into sheet-shaped epoxy resin prepregs with consistent sizes. In the cutting process, the epoxy resin prepreg is longitudinally split, and then is transversely cut into pieces through a lower cutter holder and an upper cutter holder.

When the epoxy resin prepreg is cut by the existing cutting machine, the cross section has the defect of unevenness, and more dust is generated at the cross section of the cut epoxy resin prepreg, but the epoxy resin prepreg is fully heated by adopting a heating lamp tube to perform the full-scale irradiation heating mode on the epoxy resin prepreg, and the epoxy resin prepreg is fully heated and softened on the slitting platform, so that the softened epoxy resin prepreg is not easy to generate splashed powder scraps.

However, when the epoxy resin prepreg needs to be produced and processed for a long time and the heating lamp tube needs to be matched with the cutting machine to work for a long time, powder scraps generated when the epoxy resin prepreg is cut can fall and cover the upper part of the heating lamp tube, so that the waste heat of the heating lamp tube is unfavorable for heat dissipation, and the service life of the heating lamp tube is short.

Disclosure of Invention

The utility model aims at providing a sheet cutting machine with a water cooling structure, which aims to solve the technical defect of shorter service life of a heating lamp tube caused by poor heat dissipation and cooling of the heating lamp tube for heating and softening epoxy resin prepregs in the cutting machine.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a sheet cutting machine that possesses water-cooling structure, which comprises a frame, the slitting platform, vertical slitting mechanism and horizontal cutting mechanism, the slitting platform sets up in the middle part of frame horizontally, vertical slitting mechanism sets up in the top of slitting platform along the direction that the sheet moved on, horizontal cutting mechanism sets up the one end at the frame, horizontal cutting mechanism includes lower blade holder and last blade holder, lower blade holder and last blade holder set up the inside at the frame respectively symmetrically, can carry out the butt and cut between last blade holder and the lower blade holder, vertical slitting mechanism includes supporting beam, heating fluorescent tube and slitting knife group, heating fluorescent tube connects in the bottom of supporting beam, the slitting knife group comprises knife rest and circular knife, the one end at supporting beam is connected to the knife rest, the circular knife rotationally connects in the inside of knife rest, the heating fluorescent tube shines to one side of slitting platform, the outside of heating fluorescent tube is the lighting fixture, the both ends of lighting fixture are equipped with water injection interface and the water outlet interface that are used for connecting outside water-cooling machine respectively, the inside of lighting fixture has seted up circulation cavity, the both ends of circulation cavity conduct with water injection interface and water outlet interface respectively.

In the above description, as a further scheme, the inside of the lamp holder is provided with a mounting clamping groove for mounting the heating lamp tube, the circulating chamber is positioned at the top of the mounting clamping groove, and the heating lamp tube performs heat exchange and heat dissipation through the circulating chamber at the top of the mounting clamping groove.

In the above description, as a further scheme, the longitudinal slitting mechanism is arranged above the slitting platform through a supporting frame body, a guide rail is arranged at the bottom of the supporting frame body, a movable sliding block is arranged in the middle of the guide rail, the end part of the supporting beam is fixedly connected with the sliding block, and the supporting beam can slide along the track of the guide rail through the sliding block.

In the above description, as a further scheme, an adjusting beam is further arranged between the heating lamp tube and the supporting beam, the adjusting beam and the supporting beam are movably connected through a rotary handle, the bottom end of the rotary handle is rotatably connected with the middle part of the adjusting beam, and the middle part of the rotary handle is in threaded connection with the middle part of the supporting beam.

In the above description, as a further scheme, the lower tool apron is fixedly connected at one end of the frame, the inner wall of the frame is vertically provided with a limit rail, two ends of the upper tool apron are movably connected through the limit rail, and the upper tool apron can move to the upper edge of the lower tool apron along the track of the limit rail.

In the above description, as a further scheme, the top of frame is equipped with the cutting actuating mechanism that is used for controlling the removal of going up the blade holder, cuts actuating mechanism and is located the top of going up the blade holder, cuts actuating mechanism and includes pivot, support, connecting seat and eccentric drive subassembly, and the both ends of pivot rotatably set up at the top of frame through the support, and eccentric drive subassembly cup joints at the both ends of pivot, and the bottom swing joint of connecting seat carries out swing joint at the top of last blade holder, connecting seat and eccentric drive subassembly.

In the above description, as a further scheme, the eccentric drive assembly includes a sleeve cam and an eccentric wheel, the sleeve cam is of an annular hollow structure, the eccentric wheel is fixedly sleeved at the middle part of the rotating shaft, the axle center of the rotating shaft and the circle center of the eccentric wheel are not in the same straight line, the sleeve cam is rotatably sleeved at the outside of the eccentric wheel, the outer side surface of the sleeve cam is an outward bulge, and the top of the connecting seat is rotatably connected at the bulge of the sleeve cam.

In the above description, as a further scheme, still be equipped with ejection of compact clamping mechanism between slitting platform and the horizontal mechanism that cuts, ejection of compact clamping mechanism includes lower pinch roller and driving roller, driving roller and lower pinch roller are parallel with horizontal mechanism that cuts, and driving roller's both ends rotationally set up in the inside of frame, and the inner wall of frame is equipped with down the air cylinder, and lower pinch roller's both ends rotationally connect the output at down the air cylinder, and lower pinch roller can reciprocate in driving roller's top.

In the above description, as a further scheme, one end of the frame far away from the transverse cutting mechanism is provided with a detachable feeding inflatable shaft, and two ends of the feeding inflatable shaft are rotatably connected to the end of the frame.

In the above description, as a further scheme, the two ends of the slitting platform are respectively provided with a first guide shaft and a second guide shaft, and the first guide shaft and the second guide shaft are both rotatably arranged at the two ends of the slitting platform.

The beneficial effects of the utility model are as follows:

according to the sheet cutting machine with the water cooling structure, the lamp holder with the cooling function is arranged outside the heating lamp tube, dust generated by cutting is prevented from falling onto the heating lamp tube, the sealed circulation chamber is formed in the lamp holder, cold and heat exchange can be conducted between the circulation chamber and the heating lamp tube, heat generated by the heating lamp tube during operation can be conducted into cooling water in the circulation chamber, in addition, water injection interfaces for connecting an external water cooling machine are arranged at two ends of the lamp holder, two ends of the circulation chamber are respectively conducted and connected with the water injection interfaces, the effect of circulating cooling water in the circulation chamber is achieved, the heating lamp tube which works for a long time is effectively cooled, and the service durability of the heating lamp tube is improved.

Drawings

FIG. 1 is a schematic perspective view of a sheet cutter with a water cooling structure according to the present utility model;

FIG. 2 is a schematic diagram of a rear view of a sheet cutter with a water cooling structure according to the present utility model;

FIG. 3 is a schematic diagram of a cutting driving mechanism in a sheet cutting machine with a water cooling structure according to the present utility model;

FIG. 4 is a schematic side view of a cutting driving mechanism of a sheet cutting machine with a water cooling structure according to the present utility model;

FIG. 5 is a schematic view of a supporting frame in a sheet cutter with a water cooling structure according to the present utility model;

FIG. 6 is a schematic diagram of a cutting driving mechanism in a sheet cutting machine with a water cooling structure according to the present utility model;

FIG. 7 is a schematic view of the internal structure of a sheet cutter with a water cooling structure according to the present utility model;

FIG. 8 is a schematic view of the enlarged partial structure of FIG. 7A;

FIG. 9 is a schematic view of a lamp holder in a sheet cutter with a water cooling structure according to the present utility model;

FIG. 10 is a schematic cross-sectional view of a lamp holder in a sheet cutter with a water cooling structure according to the present utility model;

in the figure: the device comprises a 1-frame, a 2-slitting platform, a 21-first guide shaft, a 22-second guide shaft, a 3-feeding air expansion shaft, a 4-longitudinal slitting mechanism, a 41-knife rest, a 42-circular knife, a 43-supporting beam, a 44-adjusting beam, a 45-heating lamp tube, a 46-rotating handle, a 47-water injection interface, a 48-mounting clamping groove, a 49-lamp bracket, 491-circulating chamber, a 5-transverse cutting mechanism, a 51-lower knife rest, a 52-upper knife rest, a 53-limiting rail, a 6-cutting driving mechanism, a 61-rotating shaft, a 62-bracket, a 63-connecting seat, a 64-eccentric driving assembly, 641-sleeving cams, 642-eccentric wheels, a 7-supporting frame body, a 71-guide rail, a 72-slider, an 8-discharging clamping mechanism, 81-lower press roller, 82-driving rollers and 83-lower press cylinders.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model. The present utility model will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1-10, a sheet cutting machine with a water cooling structure in specific implementation includes a frame 1, a slitting platform 2, a longitudinal slitting mechanism 4 and a transverse cutting mechanism 5, wherein the slitting platform 2 is horizontally arranged in the middle of the frame 1, the longitudinal slitting mechanism 4 is vertically arranged above the slitting platform 2 along the moving direction of a sheet, the transverse cutting mechanism 5 is arranged at one end of the frame 1, a detachable feeding expanding shaft 3 is arranged at one end of the frame 1 far away from the transverse cutting mechanism 5, two ends of the feeding expanding shaft 3 are rotatably connected at the end of the frame 1, two ends of the slitting platform 2 are respectively provided with a first guide shaft 21 and a second guide shaft 22, and the first guide shaft 21 and the second guide shaft 22 are rotatably arranged at two ends of the slitting platform 2;

the longitudinal slitting mechanism 4 comprises a supporting beam 43, a heating lamp 45 and a slitting knife set, wherein the heating lamp 45 is connected to the bottom of the supporting beam 43, the slitting knife set consists of a knife rest 41 and a circular knife 42, the knife rest 41 is connected to one end of the supporting beam 43, the circular knife 42 is rotatably connected to the inside of the knife rest 41, and the heating lamp 45 irradiates one side of the slitting platform 2; the top of the slitting platform 2 is irradiated and heated to the upper side of the slitting platform 2 in an all-around way through the heating lamp 45, and the epoxy resin prepreg is fully heated and softened on the slitting platform 2, so that on one hand, the circular knife 42 and the upper and lower knife holders 51 are flatter to the notch of the epoxy resin prepreg, and on the other hand, the softened epoxy resin prepreg is not easy to generate splashed powder scraps.

The outside of heating fluorescent tube is lighting fixture 49, and the both ends of lighting fixture 49 are equipped with water injection interface 47 and the play water interface 471 that is used for connecting outside water-cooling machine respectively, and circulation cavity 491 has been seted up to the inside of lighting fixture 49, and the both ends of circulation cavity 491 carry out the conduction with water injection interface 47 and play water interface 471 respectively and connect, and the inside of lighting fixture 49 has been seted up and is used for installing the installation draw-in groove 48 of heating fluorescent tube, and circulation cavity 491 is located the top of installation draw-in groove 48, and the heating fluorescent tube carries out heat exchange heat dissipation through the circulation cavity 491 at installation draw-in groove 48 top. The water injection interfaces 47 and the water outlet interfaces 471 at two ends of the lamp bracket 49 are connected with the external water cooler, cooling water of the external water cooler is injected into the water injection interface 47 at one end, and meanwhile cooling water is extracted into the water outlet interface 471 at the other end, so that the cooling water circulates in the circulating chamber 491, heat dissipation and cooling are effectively carried out on the heating lamp tube which works for a long time, and the service durability of the heating lamp tube is improved.

The transverse cutting mechanism 5 comprises a lower cutter holder 51 and an upper cutter holder 52, wherein the lower cutter holder 51 is fixedly connected to one end of the frame 1, a limit rail 53 is vertically arranged on the inner wall of the frame 1, two ends of the upper cutter holder 52 are movably connected through the limit rail 53, the upper cutter holder 52 can move to the upper edge of the lower cutter holder 51 along the track of the limit rail 53, and the upper cutter holder 52 can be abutted with the lower cutter holder 51; the epoxy resin prepreg which has been striped is transversely cut by the upper blade holder 52 downward above the lower blade holder 51.

The longitudinal slitting mechanism 4 is arranged above the slitting platform 2 through a support frame body 7, a guide rail 71 is arranged at the bottom of the support frame body 7, a movable slide block 72 is arranged in the middle of the guide rail 71, the end part of a support beam 43 is fixedly connected with the slide block 72, and the support beam 43 can slide along the track of the guide rail 71 through the slide block 72; the position of the heating lamp 45 above the slitting platform 2 can be adjusted along the track direction of the guide rail 71 by pushing the supporting beam 43, so that the effect of adjusting the position of the heating lamp 45 for heating by irradiation on the slitting platform 2 is achieved.

An adjusting beam 44 is further arranged between the heating lamp tube 45 and the supporting beam 43, the adjusting beam 44 is movably connected with the supporting beam 43 through a rotary handle 46, the bottom end of the rotary handle 46 is rotatably connected with the middle part of the adjusting beam 44, and the middle part of the rotary handle 46 is in threaded connection with the middle part of the supporting beam 43; the distance between the adjusting beam 44 and the supporting beam 43 is adjusted by rotating the rotating handle 46, so that the gap between the heating lamp tube 45 and the striping platform 2 is controlled, and the effect of controlling the heated distance of the epoxy resin prepreg is achieved.

Still be equipped with ejection of compact clamping mechanism 8 between slitting platform 2 and the horizontal mechanism 5 that cuts, ejection of compact clamping mechanism 8 includes lower pinch roller 81 and driving roller 82, driving roller 82 and lower pinch roller 81 are parallel with horizontal mechanism 5 that cuts, driving roller 82's both ends rotationally set up in frame 1's inside, frame 1's inner wall is equipped with down the air cylinder 83, lower pinch roller 81's both ends rotationally connect the output at down the air cylinder 83, lower pinch roller 81 can reciprocate in the top of driving roller 82, press down the effect under down the air cylinder 83 through lower pinch roller 81, press from both sides the epoxy prepreg clamp down between rotatable lower pinch roller 81 and driving roller 82 for the position keeps on same straight line upwards when epoxy prepreg is released to horizontal mechanism 5 one side, prevents that epoxy prepreg from shifting to both sides.

The top of frame 1 is equipped with and is used for controlling the cutting actuating mechanism 6 that upper blade holder 52 removed, cuts actuating mechanism 6 and is located upper blade holder 52's top, cuts actuating mechanism 6 and includes pivot 61, support 62, connecting seat 63 and eccentric drive assembly 64, and the both ends of pivot 61 pass through support 62 rotatably to be set up at the top of frame 1, and eccentric drive assembly 64 cup joints at the both ends of pivot 61, and the bottom swing joint of connecting seat 63 carries out swing joint at upper blade holder 52's top, connecting seat 63 and eccentric drive assembly 64. The eccentric driving assembly 64 comprises a sleeve cam 641 and an eccentric wheel 642, the sleeve cam 641 is of an annular hollow structure, the eccentric wheel 642 is fixedly sleeved at the middle part of the rotating shaft 61, the axle center of the rotating shaft 61 and the circle center of the eccentric wheel 642 are not in the same straight line, the sleeve cam 641 is rotatably sleeved at the outer part of the eccentric wheel 642, the outer side surface of the sleeve cam 641 is outwards convex, and the top of the connecting seat 63 is rotatably connected at the convex part of the sleeve cam 641.

Through rotatory pivot 61 half circle for the one end of eccentric 642 upwards carries out the jack-up, carries out spacing jack-up upwards with cup jointing cam 641, goes up blade holder 52 and carries out upward movement under the guide effect of spacing track 53, and epoxy prepreg removes between upper blade holder 52 and lower blade holder 51 under the release effect of ejection of compact clamping mechanism 8 simultaneously, and rotatory pivot 61 half circle is continued again for the one end of eccentric 642 drops down, cup joints the cam 641 and carries out spacing whereabouts, goes up blade holder 52 and carries out downward movement under the guide effect of spacing track 53, makes epoxy prepreg cut between upper blade holder 52 and lower blade holder 51.

The present utility model is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present utility model.

Claims

1. The utility model provides a sheet cutting machine that possesses water-cooling structure, which comprises a frame, divide strip platform, vertical slitting mechanism and horizontal cutting mechanism, divide strip platform level to set up in the middle part of frame, vertical slitting mechanism sets up in the top of dividing the strip platform along the direction that the sheet moved on, horizontal cutting mechanism sets up the one end at the frame, horizontal cutting mechanism includes lower blade holder and last blade holder, lower blade holder and last blade holder set up the inside at the frame respectively symmetrically, can carry out the butt between last blade holder and the lower blade holder and cut, its characterized in that: the longitudinal strip dividing mechanism comprises a supporting beam, a heating lamp tube and a strip dividing knife set, wherein the heating lamp tube is connected to the bottom of the supporting beam, the strip dividing knife set is composed of a knife rest and a circular knife, the knife rest is connected to one end of the supporting beam, the circular knife is rotatably connected to the inside of the knife rest, the heating lamp tube irradiates one side of a strip dividing platform, the outside of the heating lamp tube is a lamp holder, two ends of the lamp holder are respectively provided with a water injection interface and a water outlet interface which are used for being connected with an external water cooling machine, a circulating cavity is formed in the lamp holder, and two ends of the circulating cavity are respectively connected with the water injection interface and the water outlet interface in a conducting mode.

2. The sheet cutting machine with a water-cooling structure according to claim 1, wherein: the inside of lighting fixture has offered the installation draw-in groove that is used for installing the heating fluorescent tube, and the circulation cavity is located the top of installation draw-in groove, and the heating fluorescent tube carries out heat exchange heat dissipation through the circulation cavity at installation draw-in groove top.

3. The sheet cutting machine with a water-cooling structure according to claim 1, wherein: the longitudinal slitting mechanism is arranged above the slitting platform through a support frame body, a guide rail is arranged at the bottom of the support frame body, a movable sliding block is arranged in the middle of the guide rail, the end part of the support beam is fixedly connected with the sliding block, and the support beam can slide along the track of the guide rail through the sliding block.

4. The sheet cutting machine with a water-cooling structure according to claim 1, wherein: an adjusting beam is further arranged between the heating lamp tube and the supporting beam, the adjusting beam is movably connected with the supporting beam through a rotary handle, the bottom end of the rotary handle is rotatably connected with the middle part of the adjusting beam, and the middle part of the rotary handle is in threaded connection with the middle part of the supporting beam.

5. The sheet cutting machine with a water-cooling structure according to claim 1, wherein: the lower tool apron is fixedly connected to one end of the frame, a limit rail is vertically arranged on the inner wall of the frame, two ends of the upper tool apron are movably connected through the limit rail, and the upper tool apron can move to the upper edge of the lower tool apron along the track of the limit rail.

6. The sheet cutting machine with a water-cooling structure according to claim 5, wherein: the top of frame is equipped with the drive mechanism that cuts that is used for controlling the removal of going up the blade holder, cuts drive mechanism and is located the top of going up the blade holder, cuts drive mechanism and includes pivot, support, connecting seat and eccentric drive subassembly, and the both ends of pivot rotationally set up at the top of frame through the support, and eccentric drive subassembly cup joints the both ends at the pivot, and the bottom swing joint of connecting seat carries out swing joint at the top of last blade holder, connecting seat and eccentric drive subassembly.

7. The sheet cutting machine with a water-cooling structure according to claim 6, wherein: the eccentric driving assembly comprises a sleeve cam and an eccentric wheel, the sleeve cam is of an annular hollow structure, the eccentric wheel is fixedly sleeved at the middle part of the rotating shaft, the axle center of the rotating shaft and the circle center of the eccentric wheel are not in the same straight line, the sleeve cam is rotatably sleeved outside the eccentric wheel, the outer side face of the sleeve cam is outwards protruding, and the top of the connecting seat is rotatably connected to the protruding part of the sleeve cam.

8. The sheet cutting machine with water-cooling structure according to any one of claims 1 to 7, wherein: the slitting machine is characterized in that a discharging clamping mechanism is further arranged between the slitting platform and the transverse cutting mechanism, the discharging clamping mechanism comprises a lower pressing roller and a transmission roller, the transmission roller and the lower pressing roller are parallel to the transverse cutting mechanism, two ends of the transmission roller are rotatably arranged in the frame, a lower pressing cylinder is arranged on the inner wall of the frame, two ends of the lower pressing roller are rotatably connected to the output end of the lower pressing cylinder, and the lower pressing roller can move up and down above the transmission roller.

9. The sheet cutting machine with water-cooling structure according to any one of claims 1 to 7, wherein: one end of the frame, which is far away from the transverse cutting mechanism, is provided with a detachable feeding inflatable shaft, and two ends of the feeding inflatable shaft are rotatably connected to the end part of the frame.

10. The sheet cutting machine with water-cooling structure according to any one of claims 1 to 7, wherein: the two ends of the slitting platform are respectively provided with a first guide shaft and a second guide shaft, and the first guide shafts and the second guide shafts are rotatably arranged at the two ends of the slitting platform.