CN111531601A - Process for manufacturing porous elastic polyurethane material - Google Patents
Process for manufacturing porous elastic polyurethane material Download PDFInfo
- Publication number
- CN111531601A CN111531601A CN202010382729.5A CN202010382729A CN111531601A CN 111531601 A CN111531601 A CN 111531601A CN 202010382729 A CN202010382729 A CN 202010382729A CN 111531601 A CN111531601 A CN 111531601A
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- positioning
- cutting
- polyurethane material
- mounting
- plate
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- 239000000463 material Substances 0.000 title claims abstract description 75
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 41
- 239000004814 polyurethane Substances 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims description 16
- 238000005520 cutting process Methods 0.000 claims abstract description 54
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 241000251468 Actinopterygii Species 0.000 claims 1
- 230000001413 cellular effect Effects 0.000 claims 1
- 238000004080 punching Methods 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 description 18
- 239000006260 foam Substances 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 229920005830 Polyurethane Foam Polymers 0.000 description 4
- 239000011496 polyurethane foam Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- -1 medical treatment Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
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
- 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
- B26D1/10—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 in, or substantially in, a direction parallel to the cutting edge
- B26D1/11—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 in, or substantially in, a direction parallel to the cutting edge with a plurality of cutting members
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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
- B26D1/0006—Cutting members therefor
-
- 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
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/086—Electric, magnetic, piezoelectric, electro-magnetic means
-
- 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
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/16—Cam means
-
- 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
- B26D7/01—Means for holding or positioning work
-
- 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
- B26D7/01—Means for holding or positioning work
- B26D7/02—Means for holding or positioning work with clamping means
-
- 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
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2614—Means for mounting the cutting member
-
- 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
- B26D1/0006—Cutting members therefor
- B26D2001/0053—Cutting members therefor having a special cutting edge section or blade section
-
- 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
- B26D1/0006—Cutting members therefor
- B26D2001/006—Cutting members therefor the cutting blade having a special shape, e.g. a special outline, serrations
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to a manufacturing process of a porous elastic polyurethane material, which uses a special cutting device, wherein the cutting device comprises a workbench, a mounting rack, a positioning device and a cutting device, and the manufacturing process of the porous elastic polyurethane material by using the cutting device comprises the following steps: the material shaping, material location, cut and prepare, design cut and ejection of compact, positioner include location slider, locating lever, linkage plate, roof, initiative rack, drive gear, drive rack, connecting plate, middle part gag lever post and side gag lever post. The material is limited in all directions through the positioning device, the position stability of the material in the cutting process is effectively guaranteed, the material is cut by the cutting device in a mode of punching before cutting, the cutting difficulty can be obviously reduced, the material can be cut into blocks by the cutting tool bit quickly, and the situation that the cut surface is rough and uneven after repeated cutting is avoided.
Description
Technical Field
The invention relates to the field of polyurethane material manufacturing, in particular to a manufacturing process of a porous elastic polyurethane material.
Background
The polyurethane material is a high polymer material, is known as 'fifth big plastic', and is widely applied to various fields of national economy due to the excellent performance of the polyurethane material. The application field of the product relates to light industry, chemical industry, electronics, textile, medical treatment, building materials, automobiles, national defense, aerospace, aviation and the like. Of which polyurethane foam is relatively common in life. The polyurethane foam has two types of soft foam and hard foam, wherein the soft foam is in an open pore structure, the hard foam is in a closed pore structure, and the main function of the polyurethane soft foam is buffering. Polyurethane flexible foams are commonly used in sofa furniture, pillows, cushions, toys, apparel and sound insulation liners.
The soft polyurethane foam is often cut after being formed so as to be applied to different life scenes, and the following problems still exist in the cutting process of the soft polyurethane foam at present: a. the material is light in weight and soft, so that the material is very easy to slide and deform in the cutting process, the cutting equipment is difficult to cut the material at one time, and the working efficiency is reduced; b. because the material need can accomplish through cutting many times and cut, lead to the cutting plane to receive reciprocal friction and deckle edge appears, need increase follow-up processing step for eliminating deckle edge, increased the operation cost of producer.
In order to solve the problems, the invention provides a manufacturing process of a porous elastic polyurethane material.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
a manufacturing process of a porous elastic polyurethane material uses a special cutting device, the cutting device comprises a workbench, a mounting rack, a positioning device and a cutting device, and the manufacturing process of the porous elastic polyurethane material by using the cutting device comprises the following steps:
and (S1) material molding: manufacturing a porous elastic polyurethane material with a larger size by adopting an extrusion molding mode;
s2, positioning the porous elastic polyurethane material, namely stacking the porous elastic polyurethane material in a positioning device from top to bottom, and limiting the left end, the right end and the top end of the porous elastic polyurethane material through the positioning device;
s3 slitting preparation, namely adjusting the positions of the corresponding parts of the slitting device and the positioning device according to the pre-designed size;
s4 shaping and cutting, namely cutting the porous elastic polyurethane material into a specified size through the mutual matching of the positioning device and the cutting device;
s5, discharging, namely taking the porous elastic polyurethane material processed by the S4 from the slitting equipment, and transporting to a designated position for storage;
the front side and the rear side of the workbench are symmetrically provided with sliding grooves, the rear end of the workbench is provided with a mounting frame, the middle part of the workbench is provided with a positioning device, the lower end of the mounting frame is provided with a slitting device, and the mounting frame is of an up-and-down telescopic structure;
the positioning device comprises four positioning sliders, four positioning sliders are equally divided into two groups which are symmetrically arranged in the front and the back, the positioning sliders in the same group are symmetrically arranged in the sliding groove in the left and right direction in a sliding fit mode, the positioning rods are arranged on the outer sides of the positioning sliders in the sliding fit mode, the upper ends of the positioning rods are connected with the top plate, the top ends of the positioning rods which are oppositely arranged in the front and the back are connected through the linkage plate, the lower ends of the positioning rods are provided with the driving racks, the inner sides of the driving racks are meshed with one ends of the transmission gears, the other ends of the transmission gears are meshed with the driving racks, the upper ends of the driving racks which are oppositely arranged in the left and the right directions are connected through the connecting plate, the middle part of the connecting plate is provided with the middle limiting rod, and the side limiting rods are, the upper end of the side limiting rod is connected with the positioning slide block in a sliding fit mode; in the downward movement process of the slitting device, the linkage plate is stressed by downward pressure, so that the positioning device is driven to move downwards, materials placed in the positioning device are compressed, the slitting device is convenient to cut, meanwhile, the linkage plate is matched with the driven rack through the driving rack, the connecting plate moves upwards, the middle limiting rod and the side limiting rod can penetrate through a sliding groove formed in the workbench, the front end and the rear end of the materials are limited, the materials are prevented from sliding in the slitting process, and the situation of uneven cutting surfaces is caused.
The cutting device comprises a lifting plate, cutting tool bits, butt joints, a moving frame, a rotating cam and a rotating motor, wherein the lifting plate is installed at the upper end of an installation frame, three groups of tool bits are evenly installed at the lower end of the lifting plate from front to back, the number of each group of tool bits is three, the butt joints are symmetrically installed on the left side and the right side of the lifting plate front and back, the moving frame is arranged under the butt joints, a butt joint hole is formed in the upper end of the moving frame, a sensor is arranged in the butt joint hole, the lower end of the moving frame is installed on a workbench in a sliding fit mode, the inner side of the moving frame is connected with the side wall of the rotating cam in a sliding fit mode, the output shaft; drive through the mounting bracket and cut the device downstream in-process, stretch into the butt joint mouth of seting up on the removal frame when the butt joint, and when the butt joint touched the sensor, the sensor was to rotating motor control end signal for rotate the motor and begin to drive and rotate the cam and carry out reciprocating motion, rotate the cam and rotate the in-process and drive and remove the frame and carry out reciprocating motion all around, thereby drive and install and cut the material at the branch cutter head of No. two mounting panels lower extremes that are connected with the butt joint.
Preferably, the top plate comprises a main plate, moving plates, a fixing screw and an adjusting screw, the main plate is mounted at the upper end of the positioning rod, a moving groove is formed in the middle of the main plate, three moving plates are uniformly mounted in the moving groove from left to right through the fixing screw, limiting holes are formed in the front end and the rear end of each moving plate, a guide groove is formed in the middle of each moving plate, adjusting grooves are symmetrically formed in the front and the rear of the left side and the right side of the main plate respectively, the adjusting grooves are connected with the upper end of the positioning rod through the adjusting screw; the positions of the movable plate and the positioning rod can be adjusted according to the designed cutting size.
Preferably, the positioning slide block is divided into a left part and a right part, and the left part and the right part are connected in a sliding fit mode.
Preferably, the lifter plate includes main part, a mounting panel and No. two mounting panels, and the main part is installed in the mounting bracket upper end, and the mounting groove has been seted up at the main part middle part, and mounting groove middle part fixed mounting has a mounting panel, and No. two mounting panels are installed through sliding fit mode symmetry in both sides around the mounting groove, and No. one mounting panel all installs the cutter head of cutting with No. two mounting panel lower extremes, and installs No. two mounting panel lower extremes to the joint.
Preferably, the lower end of the slitting cutter head is of a conical structure, and the front side and the rear side of the upper end of the slitting cutter head are of blade-shaped structures; in the descending process, the lower end of the slitting tool bit can be provided with a circular through hole on a material, so that the structural strength of the material is reduced, and the material can be cut at one time from front to back through the blade-shaped structure at the upper end of the slitting tool bit.
Preferably, a screw is connected between the connecting plate and the side limiting rod, and the screw and the side limiting rod are in a rotary connection mode.
The invention has the beneficial effects that:
1. according to the manufacturing process of the porous elastic polyurethane material, the material is limited in all directions through the positioning device, the position stability of the material in the cutting process is effectively guaranteed, the material is cut by the cutting device in a mode of punching before cutting, the cutting difficulty can be obviously reduced, the material can be cut into blocks by a cutting tool bit, and the situation that the cut surface is rough and uneven after repeated cutting is avoided.
2. According to the positioning device, in the downward movement process of the mounting rod, the connecting plate moves upwards through the mutual matching of the driving rack, the transmission gear and the driven rack, so that the middle limiting rod and the side limiting rods can penetrate through the sliding groove formed in the workbench to limit the front end and the rear end of a material, and the phenomenon that the cutting surface is uneven due to the sliding of the material in the cutting process is prevented.
3. According to the cutting device provided by the invention, in the cutting process, the lower end of the cutting tool bit can be provided with the circular through hole on the material, so that the structural strength of the material is reduced, and then the material is cut at one time from front to back through the blade-shaped structure at the upper end of the cutting tool bit.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention;
figure 2 is a front view of the slitting apparatus of the present invention;
FIG. 3 is a top view of a linkage plate and top plate of the present invention;
FIG. 4 is a right side view of the partial structure between the table, mounting frame and slitting device of the present invention;
FIG. 5 is a top view of the lifter plate of the present invention;
figure 6 is a bottom view of the slitting tool according to the invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, a manufacturing process of a porous elastic polyurethane material uses a special cutting device, the cutting device includes a worktable 1, a mounting rack 2, a positioning device 3 and a cutting device 4, and the manufacturing process of the porous elastic polyurethane material by using the cutting device includes the following steps:
and (S1) material molding: manufacturing a porous elastic polyurethane material with a larger size by adopting an extrusion molding mode;
s2, positioning the porous elastic polyurethane material, namely stacking the porous elastic polyurethane material in a positioning device 3 from top to bottom, and limiting the left end, the right end and the top end of the porous elastic polyurethane material through the positioning device 3;
s3 slitting preparation, namely adjusting the positions of the corresponding parts of the slitting device 4 and the positioning device 3 according to the pre-designed size;
s4 shaping and cutting, namely cutting the porous elastic polyurethane material into a specified size through the mutual matching of the positioning device 3 and the cutting device 4;
s5, discharging, namely taking the porous elastic polyurethane material processed by the S4 from the slitting equipment, and transporting to a designated position for storage;
sliding grooves are symmetrically formed in the front side and the rear side of the workbench 1, an installation frame 2 is installed at the rear end of the workbench 1, a positioning device 3 is installed in the middle of the workbench 1, a slitting device 4 is installed at the lower end of the installation frame 2, and the installation frame 2 is of an up-and-down telescopic structure;
the positioning device 3 comprises positioning sliders 31, positioning rods 32, linkage plates 33, a top plate 34, driving rack bars 35, transmission gears 36, driving racks 37, connecting plates 38, a middle limiting rod 39 and side limiting rods 310, the number of the positioning sliders 31 is four, the four positioning sliders 31 are symmetrically arranged in two groups in a front-back equal division mode, the positioning sliders 31 in the same group are symmetrically arranged in the sliding grooves in a left-right mode in a sliding fit mode, the positioning rods 32 are arranged on the outer sides of the positioning sliders 31 in a sliding fit mode, the upper ends of the positioning rods 32 are connected with the top plate 34, the top ends of the positioning rods 32 which are oppositely arranged in the front-back mode are connected through the linkage plates 33, the driving racks 35 are arranged at the lower ends of the positioning rods 32, the inner sides of the driving rack bars 35 are meshed with one ends of the transmission gears 36, the other ends of the transmission gears 36 are, the middle limiting rod 39 is arranged in the middle of the connecting plate 38, the side limiting rods 310 are arranged on the left side and the right side of the connecting plate 38, and the upper ends of the side limiting rods 310 are connected with the positioning sliding blocks 31 in a sliding fit mode; in the process of downwards moving the slitting device 4, the linkage plate 33 is stressed downwards, so that the positioning device 3 is driven to move downwards, materials placed in the positioning device 3 are compressed, the slitting device 4 is convenient to cut, meanwhile, the transmission gear 36 and the driven rack are mutually matched through the driving rack 37, the connecting plate 38 moves upwards, the middle limiting rod 39 and the side limiting rod 310 can penetrate through a sliding groove formed in the workbench 1, the front end and the rear end of the materials are limited, the materials are prevented from sliding in the slitting process, and the situation of uneven cutting surfaces is caused.
The top plate 34 comprises a main plate 341, a moving plate 342, a fixing screw 343 and an adjusting screw 344, the main plate 341 is mounted at the upper end of the positioning rod 32, a moving groove is formed in the middle of the main plate 341, three moving plates 342 are uniformly mounted in the moving groove from left to right through the fixing screw 343, limiting holes are formed in the front and rear ends of the moving plate 342, a guide groove is formed in the middle of the moving plate 342, adjusting grooves are symmetrically formed in the front and rear sides of the left and right sides of the main plate 341, the adjusting grooves are connected with the upper end of the positioning rod 32 through the adjusting screw 344, and the adjusting screw 344; the positions of the moving plate 342 and the positioning rod 32 can be adjusted according to the designed slitting size.
The positioning slider 31 is divided into a left part and a right part, the left part and the right part are connected in a sliding fit manner, a screw is connected between the connecting plate 38 and the side limiting rod 310, and the screw is rotatably connected with the side limiting rod 310.
The slitting device 4 comprises a lifting plate 41, slitting tool bits 42, butt joints 43, a movable frame 44, a rotating cam 45 and a rotating motor 46, the lifting plate 41 is installed at the upper end of an installation frame 2, three groups of tool bits are evenly installed at the lower end of the lifting plate 41 from front to back, the number of each group of tool bits is three, the butt joints 43 are symmetrically installed on the left side and the right side of the lifting plate 41 front and back, the movable frame 44 is arranged under the butt joints 43, butt joints holes are formed in the upper end of the movable frame 44, sensors are arranged in the butt joints, the lower end of the movable frame 44 is installed on the workbench 1 in a sliding fit mode, the inner side of the movable frame 44 is connected with the side wall of the rotating cam 45 in a sliding fit mode, the output shaft of the rotating cam 45 side wall; drive through mounting bracket 2 and cut device 4 downstream in-process, stretch into the butt joint mouth that the removal frame 44 upper end was seted up when butt joint 43, and when butt joint 43 touched the sensor, the sensor was to rotating motor 46 control end sending signal for rotating motor 46 and beginning to drive and rotate cam 45 and carry out reciprocating motion, rotate cam 45 and rotate the in-process and drive and move frame 44 and carry out reciprocating motion front and back, thereby the drive is installed and is cut the tool bit 42 and cut the material at the mounting panel 413 lower extreme No. two that are connected with butt joint 43.
The lower end of the slitting cutter head 42 is of a conical structure, and the front side and the rear side of the upper end of the slitting cutter head 42 are of blade-shaped structures; in the descending process, the lower end of the slitting tool bit 42 can be provided with a circular through hole on the material, so that the structural strength of the material is reduced, and the material can be cut at one time from front to back through the blade-shaped structure at the upper end of the slitting tool bit 42.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a porous elasticity polyurethane material manufacturing process, its used dedicated equipment of cutting, should cut the equipment and include workstation (1), mounting bracket (2), positioner (3) and cut device (4), its characterized in that: the process for manufacturing and processing the porous elastic polyurethane material by using the slitting equipment comprises the following steps:
and (S1) material molding: manufacturing a porous elastic polyurethane material with a larger size by adopting an extrusion molding mode;
s2, positioning the porous elastic polyurethane material, namely stacking the porous elastic polyurethane material in a positioning device (3) from top to bottom, and limiting the left end, the right end and the top end of the porous elastic polyurethane material through the positioning device (3);
s3 slitting preparation, namely adjusting the positions of the corresponding parts of the slitting device (4) and the positioning device (3) according to the pre-designed size;
s4 shaping and cutting, namely cutting the porous elastic polyurethane material into a specified size through the mutual matching of the positioning device (3) and the cutting device (4);
s5, discharging, namely taking the porous elastic polyurethane material processed by the S4 from the slitting equipment, and transporting to a designated position for storage;
sliding grooves are symmetrically formed in the front side and the rear side of the workbench (1), a mounting frame (2) is mounted at the rear end of the workbench (1), a positioning device (3) is mounted in the middle of the workbench (1), a slitting device (4) is mounted at the lower end of the mounting frame (2), and the mounting frame (2) is of an up-and-down telescopic structure;
the positioning device (3) comprises positioning sliding blocks (31), positioning rods (32), a linkage plate (33), a top plate (34), driving rack bars (35), transmission gears (36), a driving rack bar (37), a connecting plate (38), a middle limiting rod (39) and side limiting rods (310), wherein the number of the positioning sliding blocks (31) is four, the four positioning sliding blocks (31) are symmetrically arranged in two groups in a front-back equal division way, the positioning sliding blocks (31) in the same group are symmetrically arranged in a sliding groove in a left-right symmetry way in a sliding fit way, the positioning rods (32) are arranged on the outer sides of the positioning sliding blocks (31) in a sliding fit way, the upper ends of the positioning rods (32) are connected with the top plate (34), the top ends of the positioning rods (32) which are oppositely arranged in the front-back direction are connected through the linkage plate (33), the driving rack bars (35) are arranged at the lower ends of, the other end of the transmission gear (36) is meshed with a driving rack (37), the upper ends of the driving racks (37) which are oppositely arranged at the left side and the right side are connected through a connecting plate (38), a middle limiting rod (39) is installed in the middle of the connecting plate (38), side limiting rods (310) are installed at the left side and the right side of the connecting plate (38), and the upper ends of the side limiting rods (310) are connected with a positioning sliding block (31) in a sliding fit mode;
the cutting device (4) comprises a lifting plate (41), cutting tool bits (42), butt joints (43), a movable frame (44), a rotating cam (45) and a rotating motor (46), wherein the lifting plate (41) is installed at the upper end of the mounting frame (2), three groups of tool bits are uniformly installed at the lower end of the lifting plate (41) from front to back, the number of each group of tool bits is three, the butt joints (43) are symmetrically installed at the front and back of the left side and the right side of the lifting plate (41), the movable frame (44) is arranged under the butt joints (43), butt holes are formed in the upper end of the movable frame (44), sensors are arranged in the butt holes, the lower end of the movable frame (44) is installed on the workbench (1) in a sliding fit mode, the inner side of the movable frame (44) is connected with the side wall of the rotating cam (45) in a sliding fit mode, the fish, the rotating motor (46) is arranged on the workbench (1) through a motor base.
2. The process for preparing a porous elastomeric polyurethane material according to claim 1, wherein: roof (34) include mainboard (341), movable plate (342), set screw (343) and adjusting screw (344), install in locating lever (32) upper end mainboard (341), the shifting chute has been seted up at mainboard (341) middle part, turn right evenly to install three movable plates (342) from a left side through set screw (343) in the shifting chute, spacing hole has been seted up at both ends around movable plate (342), the guide way has been seted up in movable plate (342) middle part, and the equal front and back symmetry in mainboard (341) left and right sides has seted up the adjusting chute, be connected with locating lever (32) upper end through adjusting screw (344) in the adjusting chute, and be the rotation connected mode between adjusting screw (344) and locating lever (32).
3. The process for preparing a porous elastomeric polyurethane material according to claim 1, wherein: the positioning slide block (31) is divided into a left part and a right part which are connected in a sliding fit mode.
4. The process for preparing a porous elastomeric polyurethane material according to claim 1, wherein: lifter plate (41) include main part (411), mounting panel (412) and No. two mounting panels (413), and main part (411) are installed in mounting bracket (2) upper end, and the mounting groove has been seted up at main part (411) middle part, and mounting panel (412) are installed to mounting groove middle part fixed mounting, and No. two mounting panels (413) are installed through sliding fit mode symmetry to both sides around the mounting groove, and No. two cutting head (42) are all installed with mounting panel (413) lower extreme to mounting panel (412), and install mounting panel (413) lower extreme No. two to joint (43).
5. The process for preparing a porous elastomeric polyurethane material according to claim 1, wherein: the lower end of the slitting cutter head (42) is of a conical structure, and the front side and the rear side of the upper end of the slitting cutter head (42) are of blade-shaped structures.
6. A process for the manufacture of a cellular elastic polyurethane material according to claim 3, characterized in that: and a screw is connected between the connecting plate (38) and the side limiting rod (310), and the screw and the side limiting rod (310) are in a rotary connection mode.
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| CN113459536A (en) * | 2021-07-21 | 2021-10-01 | 陈曦 | Heat-preservation polyurethane sponge manufacturing and forming process |
| CN115958656A (en) * | 2022-12-28 | 2023-04-14 | 江苏福庆木业有限公司 | Equipment and process for stripping Laminated Veneer Lumber (LVL) |
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| CN111531601B (en) | 2021-08-31 |
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