Automatic cutting device for surface plastic-coated PVC foam board
Technical Field
The invention relates to the field of plate cutting devices, in particular to an automatic cutting device for a PVC foam board with a plastic-pasted surface.
Background
The PVC foam board is pasted on the surface and can be used for heat preservation and heat insulation, in order to facilitate transportation and use, the PVC foam board pasted on the surface with certain thickness and width needs to be cut at fixed length in the production process, then the front and back surfaces of the PVC foam board are subjected to equidistant grooving and packaging after folding, and the cutting process and the folding effect are shown in figure 12.
At present, feeding, equidistant grooving of the front side and the back side and other operations required in the process of cutting the surface plastic-coated PVC foam board are all completed manually, and the problems of poor grooving depth control, uneven cutting lines, difficult plate folding, low production efficiency, high labor intensity, high rejection rate and the like exist.
With the development of the times, enterprises put forward higher requirements on production efficiency and product percent of pass, meanwhile, the labor cost is continuously increased, and the manual cutting mode obviously cannot meet the production requirements of modern enterprises. The PVC foam board with the plastic-coated surface has different widths and thicknesses, the product size (a value in figure 12) has various specifications, and the automation difficulty is higher.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an automatic cutting device for a surface plastic-coated PVC foam board, which realizes automatic feeding of the surface plastic-coated PVC foam board and can perform one-time equidistant grooving on the front side and the back side.
The technical scheme of the invention is as follows: the automatic cutting device for the PVC foam board with the plastic-coated surface is characterized in that an upper cutting mechanism, a lower cutting mechanism and a compression roller feeding mechanism are sequentially arranged on a workbench along the moving direction of a board, the upper cutting mechanism is arranged above the workbench, and a main body of the lower cutting mechanism is arranged below the workbench; go up cutting mechanism and cutting mechanism's basic structure the same down, all include hold-in range subassembly, knife rest assembly and clamp plate subassembly, knife rest assembly and hold-in range subassembly are connected, and the both ends of hold-in range subassembly are connected to the linear guide slider through L type connecting plate respectively on, linear guide slider swing joint is equipped with the cab apron between L type connecting plate and linear guide slider on the linear guide that the workstation both sides correspond the setting, and clamp plate subassembly is connected with the cab apron medial surface.
The synchronous belt assembly comprises a motor, a motor support, a synchronous belt and a synchronous belt sliding block, the motor is connected with the synchronous belt through the motor support to control the transverse movement of the synchronous belt, the synchronous belt sliding block is connected to the synchronous belt, and the synchronous belt drives the synchronous belt sliding block to move transversely.
The tool rest assembly comprises a tool rest, a tool rest fixing plate, a longitudinal positioning plate and a blade, the tool rest fixing plate is fixedly connected with the synchronous belt sliding block, one end of the tool rest is connected with the blade through a blade pressing plate, the other end of the tool rest is provided with a tool rest adjusting rod, the tool rest adjusting rod penetrates through the longitudinal positioning plate and is positioned through an adjusting nut, a tool rest linear guide rail is longitudinally arranged on the tool rest fixing plate, the inner side surface of the tool rest is provided with the tool rest sliding block, and the tool rest sliding block is connected to; the arrangement directions of the tool rest assemblies of the upper cutting mechanism and the lower cutting mechanism are opposite, the tool tip of the blade on the tool rest assembly of the upper cutting mechanism is vertically downward, and the tool tip of the blade on the tool rest assembly of the lower cutting mechanism is vertically upward.
The pressure plate assembly comprises two cylinders, two cylinder supports and a pressure plate connected between the end parts of piston rods of the two cylinders, each cylinder support is fixedly connected with the transition plate on one corresponding side, and the cylinders are connected to the inner side surfaces of the cylinder supports on the corresponding sides; a pressing plate groove extending along the moving cutting direction of the blade is formed in a pressing plate of the upper cutting mechanism, and the blade tip penetrates through the pressing plate groove to cut the plate; a piston rod of a cylinder of the upper cutting mechanism is arranged at the bottom of the cylinder, when the piston rod of the cylinder of the upper cutting mechanism extends out, the pressing plate presses downwards to finish pressing the plate, and when the piston rod retracts, the pressing plate releases a pressing state; the piston rod of the cylinder of the lower cutting mechanism is arranged at the top of the cylinder, the pressing plate of the lower cutting mechanism is arranged above the workbench, the pressing plate releases the pressing state of the plate when the piston rod of the cylinder of the lower cutting mechanism extends out, the pressing of the plate is completed when the piston rod retracts, two cutting grooves which extend along the moving direction of the blade and longitudinally penetrate through the upper surface and the lower surface of the workbench are arranged on the workbench surface of the lower cutting mechanism, and the blade of the lower cutting mechanism cuts the bottom of the plate after penetrating through the cutting grooves.
Two ends of a pressure plate groove on a pressure plate of the upper cutting mechanism are respectively provided with a pressure plate long hole communicated with the pressure plate groove.
The press roll feeding mechanism comprises a driving rubber roll and a driven rubber roll, a section of discontinuous opening section is arranged at the press roll feeding mechanism of the workbench, a plate is conveyed between the driving rubber roll and the driven rubber roll, two ends of the driving rubber roll are respectively movably connected with the support on one corresponding side, two ends of the driven rubber roll are respectively movably connected with the slide block inside the support on one corresponding side, and the end of the roller shaft of the driving rubber roll is in transmission connection with a motor shaft of the motor.
The support is internally provided with a sliding groove matched with the sliding block, the sliding block can longitudinally move along the sliding groove, a spring is connected between the top of the sliding block and the top surface of the sliding groove, the top of the spring is provided with a knob, the knob comprises a screwing block at the top and a threaded column arranged at the bottom of the screwing block, and the bottom surface of the threaded column is positioned at the upper end of the spring after penetrating through a threaded hole correspondingly formed in the top surface of the support.
A plurality of guide grooves are symmetrically arranged on the two sides of the position above the workbench and at which the plate passes through.
And a locking handle is arranged on the linear guide rail sliding block.
The linear guide rail extends along the moving direction of the plate and is connected with the workbench through a linear guide rail base plate.
The invention has the beneficial effects that:
the automatic cutting device for the PVC foam board with the surface adhered with the plastic is simple in structure, all the mechanisms are smoothly connected, automatic feeding and front and back equidistant grooving of the board can be realized through the matching use of the upper cutting mechanism, the lower cutting mechanism and the compression roller feeding mechanism, compared with manual operation, the cutting precision is high, the working efficiency and the product percent of pass are obviously improved, the labor expenditure can be greatly reduced, and the economic benefit of an enterprise is improved.
Drawings
FIG. 1 is a schematic structural diagram of an automatic cutting device for surface-mounted PVC foam boards;
FIG. 2 is a right side view of the automatic cutting device for the surface mount PVC foam board shown in FIG. 1;
FIG. 3 is a schematic structural view of an upper cutting mechanism;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is an enlarged view of portion B of FIG. 3;
FIG. 6 is a schematic view of the lower cutting mechanism with the platen removed;
FIG. 7 is a schematic view of the construction of the carriage assembly;
FIG. 8 is a schematic structural view of a feed mechanism for the press rolls;
FIG. 9 is a schematic front view of the left end portion of the upper cutting mechanism as it enters the operating state;
FIG. 10 is a schematic front view of the right end portion of the lower cutting mechanism as it enters the operating condition;
FIG. 11 is a schematic structural view of the feed mechanism of the press roller when entering a working state;
FIG. 12 is a flow chart of the production of the PVC foam board with plastic coated on the surface, wherein C is an upper notch, D is a lower notch, and a is the horizontal distance between the upper notch and the lower notch.
In the figure:
1-a workbench, 2-a plate, 3-an upper cutting mechanism, 4-a lower cutting mechanism, 5-a press roll feeding mechanism and 6-a guide groove;
31-a synchronous belt assembly, 32-a tool rest assembly, 33-a pressure plate assembly, 34-an L-shaped connecting plate, 35-a linear guide rail sliding block, 36-a linear guide rail and 37-a transition plate;
311, motor, 312, motor support, 313, synchronous belt and 314, synchronous belt slide block;
321-a tool rest, 322-a tool rest fixing plate, 323-a longitudinal positioning plate, 324-a blade, 325-a blade pressing plate, 326-a tool rest adjusting rod, 327-an adjusting nut, 328-a tool rest linear guide rail and 329-a tool rest sliding block;
3241-knife tip;
331-cylinder, 332-cylinder support, 333-pressing plate, 334-pressing plate groove and 335-cutting groove;
3341-long press plate hole;
351-locking handle;
361-linear guide rail backing plate;
51-driving rubber roll, 52-driven rubber roll, 53-bracket, 54-slide block, 55-chute, 56-spring, 57-knob;
571-screwing block, 572-screwing column.
Detailed Description
The following examples further illustrate the present invention but are not to be construed as limiting the invention. Modifications and substitutions to methods, procedures, or conditions of the invention may be made without departing from the spirit of the invention.
In order to improve the cutting efficiency and precision of the surface plastic-coated PVC foam board, the embodiment provides a targeted automatic cutting device for the surface plastic-coated PVC foam board, an upper cutting mechanism 3, a lower cutting mechanism 4 and a compression roller feeding mechanism 5 are sequentially arranged on a workbench 1 along the moving direction of a plate 2, the upper cutting mechanism 3 is arranged above the workbench 1, and the main body of the lower cutting mechanism 4 is arranged below the workbench 1.
Go up cutting mechanism 3 and lower cutting mechanism 4's basic structure the same, all include hold-in range subassembly 31, knife rest assembly 32 and clamp plate subassembly 33, knife rest assembly 32 is connected with hold-in range subassembly 31, hold-in range subassembly 31 both ends are connected to linear guide slider 35 through L type connecting plate 34 respectively on, linear guide slider 35 swing joint corresponds on the linear guide 36 that sets up in workstation 1 both sides, linear guide 36 extends along the moving direction of panel 2, linear guide 36 is connected with workstation 1 through linear guide backing plate 361.
The positions of the upper cutting mechanism 3 and the lower cutting mechanism 4 can be adjusted through the sliding of the linear guide rail slide block 35 on the linear guide rail 36 which is correspondingly connected, and further the distance a value between the adjacent upper groove notch and the lower groove notch is adjusted adaptively, so that the cutting requirements of different cutting parameters are met. The linear guide slider 35 is provided with a lock handle 351, and after the position of the linear guide slider 35 is determined, the lock handle 351 is used to fix the locked position.
A transition plate 37 is arranged between the L-shaped connecting plate 34 and the linear guide rail slide block 35, and the pressure plate assembly 33 is connected with the inner side surface of the transition plate 37.
The synchronous belt assembly 31 comprises a motor 311, a motor support 312, a synchronous belt 313 and a synchronous belt sliding block 314, the motor 311 is connected with the synchronous belt 313 through the motor support 312 to control the transverse movement of the synchronous belt 313, the synchronous belt sliding block 314 is connected to the synchronous belt 313, and the synchronous belt 313 synchronously drives the synchronous belt sliding block 314 to perform transverse movement in the moving process.
The knife rest assembly 32 comprises a knife rest 321, a knife rest fixing plate 322, a longitudinal positioning plate 323 and a blade 324, the knife rest fixing plate 322 is fixedly connected with a synchronous belt sliding block 314, the knife rest assembly 32 is driven to move transversely through the movement of the synchronous belt sliding block 314 to complete the grooving operation on the upper surface of the plate 2, one end of the knife rest 321 is connected with the blade 324 through a blade pressing plate 325, a knife rest adjusting rod 326 is arranged at the other end of the knife rest 321, the free end of the knife rest adjusting rod 326 penetrates through the longitudinal positioning plate 323 to be positioned through an adjusting nut 327, and finally the position of a knife tip 3241 is adjusted to meet the cutting requirements of surface plastic-coated PVC foam plates with different thicknesses.
A tool rest linear guide rail 328 is longitudinally arranged on the tool rest fixing plate 322, a tool rest slide block 329 is correspondingly arranged on the inner side surface of the tool rest 321, and the tool rest slide block 329 is connected on the tool rest linear guide rail 328 and can longitudinally slide along the tool rest linear guide rail 328; since the upper cutting mechanism 3 performs the grooving operation on the upper surface of the sheet material and the lower cutting mechanism 4 performs the grooving operation on the lower surface of the sheet material, the directions of arrangement of the blade carrier assemblies 32 of the upper cutting mechanism 3 and the lower cutting mechanism 4 are opposite, the cutting edge 3241 of the blade 324 on the blade carrier assembly 32 of the upper cutting mechanism 3 is directed vertically downward, and the cutting edge 3241 of the blade 324 on the blade carrier assembly 32 of the lower cutting mechanism 4 is directed vertically upward.
The pressure plate assembly 33 comprises two air cylinders 331, two air cylinder brackets 332 and a pressure plate 333 connected between the end parts of the piston rods of the two air cylinders 331, each air cylinder bracket 332 is fixedly connected with the transition plate 37 on the corresponding side, and the air cylinders 331 are connected on the inner side surfaces of the air cylinder brackets 332 on the corresponding sides.
A pressing plate groove 334 extending along the moving cutting direction of the blade 324 is formed in the pressing plate 333 of the upper cutting mechanism 3, and the upper surface of the plate 2 is cut by the knife tip 3241 after penetrating through the pressing plate groove 324; two ends of the pressing plate slot 334 on the pressing plate 333 of the upper cutting mechanism 3 are respectively provided with a pressing plate slot 3341 communicated with the pressing plate slot, so that when the air cylinder 331 in the cutting mechanism 3 retracts at the initial or stopping position of the movement (i.e. two ends of the upper cutting mechanism 3), the knife rest assembly 32 on the mechanism does not interfere with the pressing plate 333.
The piston rod of the cylinder 331 of the upper cutting mechanism 3 is arranged at the bottom of the cylinder 331, when the piston rod of the cylinder 331 of the upper cutting mechanism 3 extends, the pressing plate 333 presses downwards to finish pressing the plate 2, and when the piston rod retracts, the pressing plate 333 releases the pressing state.
The piston rod of the cylinder 331 of the lower cutting mechanism 4 is arranged at the top of the cylinder 331, the pressing plate 333 of the lower cutting mechanism 4 is arranged above the workbench 1, when the piston rod of the cylinder 331 of the lower cutting mechanism 4 extends out, the pressing plate 333 releases the state of pressing the plate 2, when the piston rod retracts, the pressing of the plate 2 is completed, two cutting grooves 335 which extend along the moving direction of the blade 324 and longitudinally penetrate through the upper surface and the lower surface of the workbench 1 are arranged on the table-board of the workbench 1 at the position of the lower cutting mechanism 4, the blade of the lower cutting mechanism 4 penetrates through the cutting grooves 335 to cut the bottom of the plate 2, and the purpose of arranging the two cutting grooves 335 is to adjust the a value more flexibly by matching with the upper cutting mechanism 3 and meet the plate cutting requirements of different cutting parameters.
The press roll feeding mechanism 5 comprises a driving rubber roll 51 and a driven rubber roll 52, a section of discontinuous opening section is arranged at the press roll feeding mechanism of the workbench 1 for the press roll feeding mechanism 5 to guide and feed the plate 2, the plate 2 is conveyed between the driving rubber roll 51 and the driven rubber roll 52, two ends of the driving rubber roll 51 are respectively movably connected with a support 53 on one corresponding side, two ends of the driven rubber roll 52 are respectively movably connected with a slide block 54 inside the support 53 on one corresponding side, and the roller end of the driving rubber roll 51 is in transmission connection with a motor shaft of a motor. When the automatic feeding device works, the motor is started to drive the driving rubber roller 51 to rotate, the driving rubber roller 51 is tightly attached to the bottom surface of the plate 2 to roll, the rolling direction is shown in figure 2, the driven rubber roller 52 is further driven to rotate in the direction shown in figure 2, and finally the plate 2 moves to finish the automatic feeding of the plate.
The inside of the bracket 53 is provided with a sliding groove 55 matched with the sliding block 54, the sliding block 54 can move longitudinally along the sliding groove 55, a spring 56 is connected between the top of the sliding block 54 and the top surface of the sliding groove 55, the top of the spring 56 is provided with a knob 57, the knob 57 comprises a screwing block 571 at the top and a threaded column 572 arranged at the bottom of the screwing block 571, the bottom surface of the threaded column 572 is positioned at the upper end of the spring 56 after passing through a threaded hole correspondingly formed in the top surface of the bracket 53, the pressing force of the spring 56 for pressing the sliding block 54 can be adjusted by adjusting the screwing depth of the threaded column 572, and the driven rubber roller 52 is ensured to be always pressed on the top of the plate 2 to assist automatic feeding of the plate 2 under the action of the spring 56.
A plurality of guide grooves 6 are symmetrically arranged on two sides of the position, above the workbench 1, where the plate 2 passes through, and the plate 2 can move between the guide grooves 6 to guide the plate 2.
During specific operation, firstly, the positions of the linear guide rail sliding blocks on the upper cutting mechanism and the lower cutting mechanism on the corresponding linear guide rails are respectively adjusted in a adaptability mode, so that the distance between blades of the upper cutting mechanism and the lower cutting mechanism is the same as a required value a, and after positioning is completed, the locking handle is rotated to lock the positions of the linear guide rail sliding blocks.
The manual operation makes the surface paste mould PVC cystosepiment and encloses the panel station position that closes the formation from both sides guide slot and get into the workstation, when the panel front end reachd cutting mechanism's blade position down, cutting mechanism cuts the upper surface groove in the manual start, later manual pay-off 2 a's distance, panel gets into compression roller feeding mechanism, at this moment, cutting mechanism and lower cutting mechanism cut out an upper surface groove and lower surface groove in the manual start simultaneously, later, panel can be at the automatic feed under the guide of compression roller and cut.
The compression roller feeding mechanism, the upper cutting mechanism and the lower cutting mechanism are controlled by the master controller, a signal is sent every 2a distance of feeding of the compression roller feeding mechanism to the upper cutting mechanism and the lower cutting mechanism to simultaneously perform upper and lower surface grooving, the grooving is performed circularly, plates with the upper cutting grooves and the lower cutting grooves arranged at equal intervals as shown in the figure 12 can be cut, the grooving depth is controlled accurately, the cutting lines are neat, and the subsequent folding transportation of the plates is facilitated.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. However, the above description is only an example of the present invention, the technical features of the present invention are not limited thereto, and any other embodiments that can be obtained by those skilled in the art without departing from the technical solution of the present invention should be covered by the claims of the present invention.