CN210616769U

CN210616769U - PVC buckle clipper

Info

Publication number: CN210616769U
Application number: CN201921275333.XU
Authority: CN
Inventors: 刘德存
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-05-26
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a PVC buckle clipper, including the frame, be equipped with the parallel blade holder guide rail of direction with the buckle extrusion in the frame, be equipped with the cutting pedestal that can be on the blade holder guide rail with buckle synchronous motion on the blade holder guide rail, be equipped with cutting pedestal resetting means between frame and cutting pedestal, be equipped with on the cutting pedestal at the buckle, the lower surface forms the cutting knife subassembly of the horizontal incision that the non-link up, still be equipped with on the cutting pedestal and make the buckle just along horizontal incision on the cutting pedestal, the rupture device of reverse flex. When the guillotine shear is used for cutting the pinch plate continuously output by the pinch plate extruder in a fixed length mode, the depth of a cut is shallow, the end edge of the cut pinch plate cannot deform, the flatness is good, cutting chips cannot be generated in the cutting process, and the subsequent printing process cannot be influenced.

Description

PVC buckle clipper

Technical Field

The invention relates to a PVC (polyvinyl chloride) buckle plate cutter, in particular to a PVC buckle plate cutter for cutting a PVC buckle plate to a fixed length in a continuous extrusion production line of the PVC buckle plate.

Background

The PVC buckle plate is a common building decoration material, and is made of polyvinyl chloride resin, an ageing agent, a modifier and other auxiliaries through mixing and extrusion processes. In the production process, a pinch plate cutter is required to be arranged at the output end of the PVC pinch plate extruder, the pinch plate continuously output by the extruder is cut to a fixed length, and then printing, packaging and selling are carried out. The pinch plate cutting machine adopts the flying saw cutting principle, namely: the cutting knife is enabled to transversely cut the buckle plate in the process of synchronous movement of the buckle plate output by the extruder, so that the continuous output buckle plate is cut into a standard product with the same length and a right-angle end edge. The PVC buckle plate clipper in the prior art adopts a disc-shaped cutting knife, the cutting knife is pressed to the lower surface from the upper surface of a buckle plate to perform through cutting during feeding, when the through cutting method is adopted, the depth of the cutting knife required to be cut into the buckle plate cannot be smaller than the thickness of the buckle plate, the depth of the cutting knife cut into the buckle plate generally reaches 7-12mm according to the different specifications of the buckle plate, and the depth of the cutting knife cut into the buckle plate is larger, so the feeding speed is lower during cutting operation, a 600mm wide buckle plate is taken as an example, the buckle plate is cut and cut completely for about 7 seconds, the speed of extruding the buckle plate is limited to a certain extent, and the capacity of a production line is restricted. And because the cutting depth is great, the disk cutter body can form extrusion and friction to the buckle on both sides at the incision in the cutting knife advancing process, leads to the incision edge to collapse and warp and produce a large amount of clashes, not only influences the regularity at buckle terminal edge, and moreover, the produced piece still can hinder subsequent stamp technology, influences stamp quality.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: aiming at the defects in the prior art, the PVC buckle plate cutting machine is provided, when the cutting machine is used for cutting the buckle plate continuously output by the buckle plate extruder in a fixed size mode, the depth of a cut is shallow, the cutting speed is high, the end edge of the cut buckle plate cannot deform, the flatness is good, cutting scraps cannot be generated in the cutting process, and the follow-up printing process cannot be influenced.

The technical scheme for solving the technical problem is as follows: the utility model provides a PVC buckle clipper, including central controller, a machine support, be equipped with the blade holder guide rail parallel with the buckle extrusion direction in the frame, be equipped with the cutting pedestal that can be on the blade holder guide rail with buckle synchronous motion on the blade holder guide rail, be equipped with cutting pedestal resetting means between frame and cutting pedestal, be equipped with on the cutting pedestal at the buckle, the lower surface forms the cutting knife subassembly of the horizontal incision that the non-link up, still be equipped with on the cutting pedestal and make the buckle just along horizontal incision on the cutting pedestal, the rupture device of reverse flex.

Preferably, the breaking device comprises a pair of buckle plate clamping mechanisms symmetrically arranged on two sides of the cutting knife, each buckle plate clamping mechanism is far away from the side of the cutting knife and fixed on the cutting pedestal through a hinge shaft, and a breaking driving mechanism enabling the buckle plate clamping mechanisms to swing around the hinge shaft is further arranged on the cutting pedestal.

Preferably, the pinch plate clamping mechanism comprises a fixed bottom plate, an upper cross beam is arranged above the fixed bottom plate, a clamping cylinder is fixed on the upper cross beam, and a movable clamping plate matched with the fixed bottom plate to clamp and fix the pinch plate is arranged at the lower end of a piston of the clamping cylinder.

Preferably, the break driving mechanism is a break driving cylinder arranged between one of the pinch plate clamping mechanisms and the cutting pedestal, a sector gear meshed with each other is arranged on the side, close to the cutting knife, of the fixing bottom plate of each pinch plate clamping mechanism, and the break driving cylinder is a multi-position cylinder.

Preferably, the cutter assembly comprises a cutter frame, an upper cutter guide rail and a lower cutter guide rail which are perpendicular to the cutter holder guide rail are arranged on the cutter frame, an upper cutter slider is arranged on the upper cutter guide rail, a lower cutter slider is arranged on the lower cutter guide rail, a disc-shaped cutter is respectively arranged on the upper cutter slider and the lower cutter slider, and a cutter driving mechanism which enables the upper cutter slider and the lower cutter slider to move along the upper cutter guide rail and the lower cutter guide rail and forms notches on the front surface and the back surface of the pinch plate is further arranged on the cutter frame.

Preferably, the cutting knife driving mechanism comprises a driving motor, a speed reducer, an annular chain and a chain wheel, and a connecting plate which is used for connecting the cutting knife sliding block and the annular chain and enabling the cutting knife sliding block and the annular chain to synchronously move is arranged on the cutting knife sliding block.

Has the advantages that: the PVC buckle plate clipper of the invention adopts the buckle plate clipper to comprise a frame, a tool apron guide rail parallel to the extrusion direction of the buckle plate is arranged on the frame, a cutting pedestal which can move on the tool apron guide rail and the pinch plate synchronously is arranged on the tool apron guide rail, a resetting device of the cutting pedestal is arranged between the machine frame and the cutting pedestal, the cutting pedestal is provided with a cutting knife component which forms a non-through transverse notch on the upper surface and the lower surface of the pinch plate, the cutting pedestal is also provided with a breaking device which can lead the pinch plate to be bent forwards and backwards along the transverse notch on the cutting pedestal, the buckle plate clipper creatively uses the double-sided cutting technology and the breaking device, thereby breaking the limitation that the buckle plate in the prior art adopts the through cutting of the cutting knife, the cutting speed is improved, the cut regularity is improved, and meanwhile, chipping can be prevented from being generated in the cutting process. Because adopted the rupture device sets up a pair of buckle fixture in the cutting knife both sides including the symmetry, and every buckle fixture is kept away from the cutter side and is fixed on the cutting pedestal through the articulated shaft, still is equipped with the technical characterstic that makes buckle fixture around the wobbling rupture actuating mechanism of articulated shaft on the cutting pedestal, makes rupture device better with cutting pedestal and cutting knife cooperation effect, and the structure of product is compacter, reasonable. Owing to adopted buckle fixture includes PMKD, is equipped with the entablature above PMKD, is fixed with the centre gripping cylinder on the entablature, is equipped with the technical characterstic that cooperatees the movable clamp plate of accomplishing the buckle centre gripping fixed with PMKD at the piston lower extreme of centre gripping cylinder, accomplishes the centre gripping of buckle through the action of cylinder for the speed of centre gripping or relieving the centre gripping is faster, and the synchronism of cutting pedestal and buckle is better. Because the break driving mechanism is adopted to drive the cylinder for the break arranged between one of the buckle plate clamping mechanisms and the cutting pedestal, the technical characteristic that the fixed bottom plate of each buckle plate clamping mechanism is provided with the sector gears which are meshed with each other and are close to the side of the cutting knife is realized, the synchronous symmetrical swing of the two buckle plate clamping mechanisms is realized, the stress on the two sides of the buckle plate is more uniform, and the end edge flatness formed after the break is better. Because the cutter assembly comprises the cutter frame, an upper cutter guide rail and a lower cutter guide rail which are vertical to the cutter holder guide rail are arranged on the cutter frame, an upper cutter slider is arranged on the upper cutter guide rail, a lower cutter slider is arranged on the lower cutter guide rail, a disc-shaped cutter is respectively arranged on the upper cutter slider and the lower cutter slider, and the cutter frame is also provided with an upper cutter slider, the lower cutter slider moves along the upper cutter guide rail and the lower cutter guide rail, technical characteristics of a cutter driving mechanism for forming notches on the front surface and the back surface of the buckle plate, so that the transverse notch positions formed on the upper surface and the lower surface of the buckle plate are more accurate, the contact degree of the projection of the transverse notches on the upper surface and the lower surface is better, and the end edge formed after. Because adopted cutting knife actuating mechanism includes driving motor, reduction gear, endless chain, sprocket, is equipped with the technical characterstic of connecting cutting knife slider and endless chain, the connecting plate that makes cutting knife slider and endless chain synchronous motion on the cutting knife slider, has realized two cutting knives of a motor drive, and two cutting knife feed speed the same, opposite direction, prevent that the cutting knife from pushing the buckle to one side and leading to the incision angle to take place the skew in cutting process. The pinch plate clipper provided by the invention has the advantages that the pinch plate clipper comprises the technical characteristics of a central controller for controlling the starting, stopping and steering of the driving motor and the action of each air cylinder, so that the action of each air cylinder and the quick automatic control of the driving motor are realized, the clipping speed is further improved, the clipping operation of a 600mm pinch plate by adopting the PVC pinch plate clipper only needs 3.5 seconds, the half time is shortened compared with that of the pinch plate clipper in the prior art, the restriction of the PVC pinch plate clipper in the prior art on the pinch plate extrusion speed is overcome, and favorable conditions are created for improving the productivity of a pinch plate production line.

Drawings

FIG. 1 is a schematic structural view of the PVC buckle clipper of the invention;

FIG. 2 is a schematic structural view of a cutter assembly in the PVC buckle guillotine according to the invention.

Detailed Description

Fig. 1 shows the main structure of the pinch plate clipper for implementing the method, and for the sake of clear representation of the main structure of the machine, only the position of the cutting knife is shown in fig. 1, and the specific structure of the cutting knife assembly is not shown. As shown in figure 1, the pinch plate clipper comprises a frame 1, a tool apron guide rail 2 which is parallel to the extrusion direction of the pinch plate is arranged on the frame, a cutting pedestal 3 which can move synchronously with the pinch plate on the tool apron guide rail is arranged on the tool apron guide rail, a cutting pedestal resetting device is arranged between the frame and the cutting pedestal, a cutting knife component which forms non-through transverse cuts on the upper surface and the lower surface of the pinch plate is arranged on the cutting pedestal, and a breaking device which enables the pinch plate to bend positively and reversely on the cutting pedestal along the transverse cuts is also arranged on the cutting pedestal.

The breaking device comprises a pair of buckle plate clamping mechanisms symmetrically arranged on two sides of the cutting knife, each buckle plate clamping mechanism is far away from the cutting knife and fixed on the cutting pedestal through a hinge shaft 4, the hinge shaft is perpendicular to the knife holder guide rail, and a breaking driving mechanism enabling the buckle plate clamping mechanisms to swing around the hinge shaft is further arranged on the cutting pedestal. The pinch plate clamping mechanism comprises a fixed bottom plate 5, an upper cross beam 7 is arranged above the fixed bottom plate, a clamping cylinder 8 is fixed on the upper cross beam, and a movable clamping plate 6 matched with the fixed bottom plate to clamp and fix the pinch plate is arranged at the lower end of a piston of the clamping cylinder. The rupture actuating mechanism drives actuating cylinder 13 for the rupture that sets up between one of them buckle fixture and cutting pedestal, the rupture drives actuating cylinder and is many cylinders, and the rupture drives actuating cylinder one end and articulates below PMKD, and the other end articulates in cutting pedestal lower part. On the side of the fixed base plate of each pinch plate gripper close to the cutting knife, there are mutually engaging sector gears 10, so that when one of the pinch plate grippers swings around the hinge axis, the other pinch plate gripper also swings synchronously around the hinge axis.

The cutting pedestal resetting device is a resetting cylinder 12 installed between the frame and the cutting pedestal.

As shown in fig. 2, the cutter assembly includes a cutter holder 22, an upper cutter rail 17 and a lower cutter rail 20 which are perpendicular to the cutter holder rail are provided on the cutter holder, an upper cutter slider 14 is provided on the upper cutter rail, a lower cutter slider 21 is provided on the lower cutter rail, an upper cutter 9 is provided on the upper cutter slider in a disk shape, a lower cutter 11 is provided on the lower cutter slider in a disk shape, and a cutter driving mechanism which causes the upper cutter slider and the lower cutter slider to move along the upper cutter rail and the lower cutter rail and forms notches on the front and back surfaces of the buckle is further provided on the cutter holder. The cutting knife driving mechanism comprises a driving motor 19, a speed reducer 23, an annular chain 16 and a chain wheel 18, and a connecting plate 15 which is used for connecting the cutting knife sliding block and the annular chain and enabling the cutting knife sliding block and the annular chain to synchronously move is arranged on the cutting knife sliding block.

The central controller is a programmable central processor for controlling the starting, the stopping, the steering and the action of each air cylinder of the driving motor. The cutting knife assembly is arranged between the two buckle plate clamping mechanisms, the guide rails of the upper cutting knife and the lower cutting knife are perpendicular to the extrusion direction of the PVC buckle plate, and the upper cutting knife and the lower cutting knife are respectively positioned above the buckle plate and below the buckle plate.

When the PVC buckle plate clipper of the invention works, the central controller sends a clamping and fixing command, the clamping cylinder acts to fix the two buckle plate clamping mechanisms and the buckle plate, at the moment, under the drive of the pinch plate, the cutting pedestal and the pinch plate synchronously move along the tool apron guide rail, the cutting knife component on the cutting pedestal and the pinch plate synchronously move along the extrusion direction of the pinch plate, the central controller sends out a cutting instruction, the cutting knife motor is started, the circular-shaped cutting knife is driven by the annular chain to feed along the cutting knife guide rail, forming transverse notches perpendicular to the extrusion direction of the pinch plate on the upper surface and the lower surface of the pinch plate, sending a breaking instruction by a central controller, and driving an air cylinder to act by breaking, so that two pinch plate clamping mechanisms swing around respective hinge shafts in the forward and reverse directions, the clamped pinch plate bends in the forward direction and bends in the reverse direction along the transverse notches once again, and the pinch plate is broken along the transverse notches; and the central controller sends a reset instruction, the reset cylinder acts to move the cutting pedestal to the initial position, and the primary pinch plate cutting operation is completed.

Claims

1. The utility model provides a PVC buckle clipper, includes the frame, be equipped with the blade holder guide rail parallel with the buckle extrusion direction in the frame, be equipped with the cutting pedestal that can be on the blade holder guide rail with buckle synchronous motion on the blade holder guide rail, be equipped with cutting pedestal resetting means between frame and cutting pedestal, be equipped with the cutting knife subassembly that forms the horizontal incision that non-link up at the upper and lower surface of buckle on the cutting pedestal, still be equipped with the rupture device that makes the buckle just, reverse flex along horizontal incision on the cutting pedestal.

2. The PVC buckle clipper of claim 1, which is characterized in that: the breaking device comprises a pair of buckle plate clamping mechanisms symmetrically arranged on two sides of the cutting knife, each buckle plate clamping mechanism is far away from the side of the cutting knife and fixed on the cutting table seat through an articulated shaft, and a breaking driving mechanism enabling the buckle plate clamping mechanisms to swing around the articulated shaft is further arranged on the cutting table seat.

3. The PVC buckle clipper of claim 2, which is characterized in that: the pinch plate clamping mechanism comprises a fixed bottom plate, an upper cross beam is arranged above the fixed bottom plate, a clamping cylinder is fixed on the upper cross beam, and a movable clamping plate matched with the fixed bottom plate to clamp and fix the pinch plate is arranged at the lower end of a piston of the clamping cylinder.

4. The PVC buckle clipper of claim 2, which is characterized in that: the driving mechanism for the fracture is arranged between one of the pinch plate clamping mechanisms and the cutting pedestal, the fixed bottom plate of each pinch plate clamping mechanism is provided with sector gears which are meshed with each other and close to the side of the cutting knife, and the driving cylinder for the fracture is a multi-position cylinder.

5. The PVC buckle guillotine according to any of the claims from 1 to 4, characterized in that: the cutter assembly comprises a cutter frame, an upper cutter guide rail and a lower cutter guide rail which are vertical to the cutter holder guide rail are arranged on the cutter frame, an upper cutter slider is arranged on the upper cutter guide rail, a lower cutter slider is arranged on the lower cutter guide rail, a disc-shaped cutter is respectively arranged on the upper cutter slider and the lower cutter slider, and a cutter driving mechanism which enables the upper cutter slider and the lower cutter slider to move along the upper cutter guide rail and the lower cutter guide rail and forms notches on the front surface and the back surface of the buckle plate is also arranged on the cutter frame.

6. The PVC buckle plate clipper of claim 5, which is characterized in that: the cutting knife driving mechanism comprises a driving motor, a speed reducer, an annular chain and a chain wheel, and a connecting plate which is used for connecting the cutting knife sliding block and the annular chain and enabling the cutting knife sliding block and the annular chain to synchronously move is arranged on the cutting knife sliding block.

7. The PVC buckle plate clipper of claim 6, which is characterized in that: the pinch plate clipper also comprises a central controller for controlling the starting, the stopping, the steering and the action of each cylinder of the driving motor.