CN112109146A - Automatic cutting machine for polyester regenerated sponge - Google Patents
Automatic cutting machine for polyester regenerated sponge Download PDFInfo
- Publication number
- CN112109146A CN112109146A CN202010930396.5A CN202010930396A CN112109146A CN 112109146 A CN112109146 A CN 112109146A CN 202010930396 A CN202010930396 A CN 202010930396A CN 112109146 A CN112109146 A CN 112109146A
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- China
- Prior art keywords
- grooves
- plate
- groups
- sawtooth
- fixed plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229920000728 polyester Polymers 0.000 title claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000005485 electric heating Methods 0.000 claims description 18
- 230000008929 regeneration Effects 0.000 claims description 13
- 238000011069 regeneration method Methods 0.000 claims description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/06—Severing by using heat
- B26F3/08—Severing by using heat with heated members
-
- 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
- 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
- B26D7/27—Means for performing other operations combined with cutting
- B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
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 provides an automatic cutting machine for polyester regenerated sponge, which comprises an installation support, a fixed support, a first fixed plate, a cutting mechanism and a transmission mechanism, wherein the installation support comprises a cross rod, a rack, a sliding groove, an installation plate and a strip-shaped through groove; according to the invention, through the design of the transmission mechanism and the rack, the cutting mechanism can automatically cut the surface of the polyester regenerated sponge at equal intervals from left to right, so that the automation degree of the cutting machine is improved, and the problems that the automation degree of the cutting machine for the polyester regenerated sponge is low and the whole group of polyester regenerated sponge cannot be automatically cut into a plurality of groups of polyester regenerated sponge blocks with fixed shapes in the prior art are solved.
Description
Technical Field
The invention relates to the technical field of sponge processing, in particular to an automatic cutting machine for polyester regenerated sponge.
Background
Sponges, which are porous materials, have good water absorption and can be used to clean articles. The polyester sponge, also called polyester polyurethane foam plastic, has the properties of polyether sponge, and also has special properties of oil resistance, water resistance, wear resistance, corrosion resistance, high temperature resistance, strong stretchability and the like;
in the prior art, polyester regenerated sponge is mainly applied to floor decoration, and generally the polyester regenerated sponge is cut into a fixed shape in the using process and then a plurality of groups of cut polyester regenerated sponge are overlapped together for use; in the prior art, the cutting of the polyester regenerated sponge is generally performed by using a special cutting machine, however, the cutting machine for the polyester regenerated sponge in the prior art has low automation degree, and cannot automatically cut the whole group of polyester regenerated sponge into a plurality of groups of polyester regenerated sponge blocks with fixed shapes; in addition, the cutting mechanism of the cutting machine in the prior art is difficult to rapidly cut, so that the problem of difficult cutting is caused.
Disclosure of Invention
In order to achieve the above object, the present invention adopts the following technical solutions, an automatic cutting machine for polyester regenerated sponge comprises an installation support, a fixed support, a first fixed plate, a cutting mechanism and a transmission mechanism, wherein the installation support is horizontally arranged right above the first fixed plate, four corners of the top of the first fixed plate are fixedly connected with the installation support through the fixed support, the cutting mechanism is installed between the installation support and the first fixed plate, and the transmission mechanism is installed on the right side of the top of the installation support, wherein:
the mounting support comprises two groups of cross rods, a rack, sliding grooves, a mounting plate and strip-shaped through grooves, the two groups of cross rods are parallel to each other, the sliding groove is horizontally drilled in the center of the top of each group of cross rods, the strip-shaped through grooves are horizontally drilled in the central surface of the bottom of each sliding groove, the rack is connected in the sliding grooves in a sliding mode, the sawtooth surfaces of the rack are located right above the cross rods, and the mounting plate is horizontally mounted on the side wall, located on the outer side, in front of the right side of each cross rod;
the cutting mechanism comprises a movable plate, an electric telescopic rod, a second fixed plate, an electric heating ring and a fixed column, the front side and the rear side of the top of the movable plate are respectively and fixedly connected with the bottoms of the two groups of racks through connecting rods, the two groups of connecting rods are respectively positioned in the two groups of strip-shaped through grooves, an electric telescopic rod is vertically arranged right above the top center of the first fixed plate, the fixed end of the electric telescopic rod is fixedly connected with the bottom center of the movable plate, the movable end of the electric telescopic rod is fixedly connected with the center of the top of the second fixed plate, two groups of electric heating rings are horizontally arranged right below the second fixed plate and are positioned on the same horizontal plane, four groups of fixed columns are uniformly and vertically arranged on the top of each group of electric heating rings at equal intervals, and the top of each group of fixed columns is fixedly connected with the bottom surface of the second fixed plate;
the transmission mechanism comprises a sawtooth roller, a grooved wheel, a crank and a motor, the sawtooth roller is positioned on the right side of the top of the cross rod, the sawtooth side of the sawtooth roller is meshed with the toothed surfaces of the racks respectively, the center of the front side of the sawtooth roller is connected with the center of the grooved wheel in a rotating mode through a rotating shaft, the motor is fixedly installed on the surface of the installing plate, a rotor of the motor is connected with the center of the outer side of the crank in a rotating mode through the rotating shaft, and the crank and the grooved wheel form a grooved wheel mechanism.
Preferably; first fixed plate includes first fixed plate body, circular logical groove, clamp plate, connecting plate and sawtooth stationary blade, the surface equidistance of first fixed plate body evenly excavates has two rows of circular logical grooves, the surface four sides of first fixed plate body all is equipped with the clamp plate, every group the both ends of clamp plate all through the pivot with the inboard lateral wall of connecting plate rotates to be connected, the bottom of connecting plate with the fixed surface of first fixed plate body is connected, the vertical sawtooth stationary blade that is equipped with in the bottom outside of clamp plate.
Preferably; the diameter of the circular through grooves is equal to that of the electric heating rings, and the distance between the upper row of circular through grooves and the lower row of circular through grooves is equal to that between the electric heating rings.
Preferably; the motor with install the reduction gear between the crank, the required length of time of crank every turn equals with the required length of time of every up-and-down reciprocating motion once of electric telescopic handle.
Preferably; the angle of each rotation of the grooved pulley is 90 degrees, and the circumference of the side surface of the saw tooth roller is four times of the distance between two adjacent groups of the circular through grooves.
Preferably; the length of the rack is equal to that of the sliding groove.
Has the advantages that:
according to the invention, through the design of the transmission mechanism and the rack, the cutting mechanism can automatically cut the surface of the polyester regenerated sponge at equal intervals from left to right, so that the automation degree of the cutting machine is improved, and the problems that the automation degree of the cutting machine for the polyester regenerated sponge is low and the whole group of polyester regenerated sponge cannot be automatically cut into a plurality of groups of polyester regenerated sponge blocks with fixed shapes in the prior art are solved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a top view of the structure of the present invention;
FIG. 3 is a side cross-sectional view of the mounting bracket of the present invention;
FIG. 4 is an enlarged schematic view of A in FIG. 1;
fig. 5 is a bottom view of the cutting mechanism of the present invention;
FIG. 6 is a schematic diagram of a first fixing plate structure according to the present invention;
fig. 7 is a partial side view of the first retaining plate of fig. 6;
FIG. 8 is a side view of the platen of FIG. 7.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 8, an automatic cutting machine for polyester regenerated sponge comprises an installation support 1, a fixed support 2, a first fixed plate 3, a cutting mechanism 4 and a transmission mechanism 5, wherein the installation support 1 is horizontally arranged right above the first fixed plate 3, four corners of the top of the first fixed plate 3 are fixedly connected with the installation support 1 through the fixed support 2, the cutting mechanism 4 is arranged between the installation support 1 and the first fixed plate 3, and the transmission mechanism 5 is arranged on the right side of the top of the installation support 1;
the mounting bracket 1 comprises cross rods 11, racks 12, sliding grooves 13, mounting plates 14 and strip-shaped through grooves 15, the cross rods 11 are divided into two groups, the two groups of cross rods 11 are parallel to each other, the sliding groove 13 is horizontally drilled in the center of the top of each group of cross rods 11, the length of each rack 12 is equal to that of each sliding groove 13, the strip-shaped through groove 15 is horizontally drilled in the center surface of the bottom of each sliding groove 13, the racks 12 are connected in the sliding grooves 13 in a sliding mode, the sawtooth surfaces of the racks 12 are located right above the cross rods 11, and the mounting plates 14 are horizontally mounted on the side walls, located on the outer sides, in front of the right;
the first fixing plate 3 comprises a first fixing plate body 31, circular through grooves 32, pressing plates 33, connecting plates 34 and sawtooth fixing plates 35, wherein the two rows of circular through grooves 32 are uniformly cut on the surface of the first fixing plate body 31 at equal intervals, the pressing plates 33 are arranged on four sides of the surface of the first fixing plate body 31, two ends of each group of pressing plates 33 are rotatably connected with the inner side wall of the connecting plate 34 through rotating shafts, the bottom of each connecting plate 34 is fixedly connected with the surface of the first fixing plate body 31, and the sawtooth fixing plates 35 are vertically arranged on the outer sides of the bottoms of the pressing plates 33;
the cutting mechanism 4 comprises a movable plate 41, an electric telescopic rod 42, a second fixed plate 43, electric heating rings 44 and fixed columns 45, the front side and the rear side of the top of the movable plate 41 are respectively fixedly connected with the bottoms of two groups of racks 12 through connecting rods, the two groups of connecting rods are respectively positioned in the two groups of strip-shaped through grooves 15, the electric telescopic rod 42 is vertically arranged right above the center of the top of the first fixed plate 3, the fixed end of the electric telescopic rod 42 is fixedly connected with the center of the bottom of the movable plate 41, the movable end of the electric telescopic rod 42 is fixedly connected with the center of the top of the second fixed plate 43, the two groups of electric heating rings 44 are horizontally arranged right below the second fixed plate 43, the two groups of electric heating rings 44 are positioned on the same horizontal plane, the tops of the electric heating rings 44 in each group are uniformly and vertically provided with four groups of fixed columns 45 at equal intervals, and, the diameter of the circular through groove 32 is equal to that of the electric heating ring 44, and the distance between the upper row and the lower row of the circular through grooves 32 is equal to that between the electric heating rings 44;
the transmission mechanism 5 comprises a sawtooth roller 51, a grooved wheel 52, a crank 53 and a motor 54, the sawtooth roller 51 is positioned at the top right side of the two groups of cross rods 11, the sawtooth sides of the sawtooth rollers 51 are respectively meshed with the sawtooth surfaces of the two sets of racks 12, the front center of the saw tooth roller 51 is rotatably connected to the center of the sheave 52 through a rotating shaft, a motor 54 is fixedly arranged on the surface of the mounting plate 14, the rotor of the motor 54 is rotatably connected with the outer center of the crank 53 through a rotating shaft, the crank 53 and the sheave 52 constitute a sheave mechanism, a speed reducer is installed between the motor 54 and the crank 53, the required time length of each turn of the crank 53 is equal to the required time length of each up-and-down reciprocating motion of the electric telescopic rod 42, the angle of each rotation of the grooved pulley 52 is 90 °, and the circumference of the side surface of the saw tooth roller 51 is four times the distance between two adjacent groups of the circular through grooves 32.
Before cutting the polyester regeneration sponge, the polyester regeneration sponge needs to be fixed, in the process of fixing the polyester regeneration sponge, four groups of pressing plates 33 are firstly outwards rotated, then four sides of the polyester regeneration sponge are placed at the positions of the original pressing plates 33, and finally the pressing plates 33 are inwards rotated until the sawtooth surfaces of sawtooth fixing plates 35 are clamped at the four sides of the polyester regeneration sponge, so that the polyester regeneration sponge is fixed, wherein the first fixing plate 3 is designed to be used for fixing the polyester regeneration sponge on the surface of the polyester regeneration sponge;
in the using process of the invention, the electric telescopic rod 42 and the motor 54 are started, at the moment, the motor 54 drives the crank 53 to rotate, the grooved wheel 52 rotates 90 degrees when the crank 53 rotates for one circle, the sawtooth roller 51 rotates 90 degrees under the driving of the grooved wheel 52, at the moment, the rack 12 can horizontally move from right to left under the action of the sawtooth roller 51, so that the cutting mechanism 4 moves rightwards for a fixed distance, meanwhile, the electric heating ring 44 can downwards cut the polyester regeneration sponge under the action of the electric telescopic rod 42, wherein the cut polyester regeneration sponge sheet falls into the circular through groove 32, and the polyester regeneration sponge sheet is separated from the polyester regeneration sponge body.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an automatic guillootine of polyester regeneration sponge, includes installing support (1), fixed bolster (2), first fixed plate (3), cuts mechanism (4) and drive mechanism (5), its characterized in that: an installation support (1) is horizontally arranged right above the first fixing plate (3), four corners of the top of the first fixing plate (3) are fixedly connected with the installation support (1) through fixing supports (2), a cutting mechanism (4) is installed between the installation support (1) and the first fixing plate (3), and a transmission mechanism (5) is installed on the right side of the top of the installation support (1);
the mounting support (1) comprises cross rods (11), racks (12), sliding grooves (13), mounting plates (14) and strip-shaped through grooves (15), the number of the cross rods (11) is two, the two groups of the cross rods (11) are parallel to each other, the sliding grooves (13) are horizontally drilled in the centers of the tops of the cross rods (11) in each group, the strip-shaped through grooves (15) are horizontally drilled in the center surfaces of the bottoms of the sliding grooves (13), the racks (12) are connected in the sliding grooves (13) in a sliding mode, sawtooth surfaces of the racks (12) are located right above the cross rods (11), and the mounting plates (14) are horizontally mounted on the side walls, located on the outer sides, in front of the right sides;
the cutting mechanism (4) comprises a movable plate (41), an electric telescopic rod (42), a second fixed plate (43), electric heating rings (44) and fixed columns (45), the front side and the rear side of the top of the movable plate (41) are respectively fixedly connected with the bottoms of two groups of racks (12) through connecting rods, the two groups of connecting rods are respectively positioned in two groups of strip-shaped through grooves (15), the electric telescopic rod (42) is vertically arranged right above the center of the top of the first fixed plate (3), the fixed end of the electric telescopic rod (42) is fixedly connected with the center of the bottom of the movable plate (41), the movable end of the electric telescopic rod (42) is fixedly connected with the center of the top of the second fixed plate (43), the two groups of electric heating rings (44) are horizontally arranged right below the second fixed plate (43), and the two groups of electric heating rings (44) are positioned on the, four groups of fixing columns (45) are uniformly and vertically arranged on the top of each group of electric heating rings (44) at equal intervals, and the top of each group of fixing columns (45) is fixedly connected with the bottom surface of the second fixing plate (43);
drive mechanism (5) are including sawtooth roller (51), sheave (52), crank (53) and motor (54), sawtooth roller (51) are located two sets of the top right side of horizontal pole (11), the sawtooth side of sawtooth roller (51) respectively with two sets of the sawtooth surface intermeshing of rack (12), the front side center of sawtooth roller (51) through the pivot with the center of sheave (52) rotates and is connected, the fixed surface of mounting panel (14) installs motor (54), the rotor of motor (54) through the pivot with the outside center of crank (53) rotates and is connected, crank (53) with sheave (52) constitute sheave mechanism.
2. The automatic cutting machine for polyester regenerated sponge according to claim 1, characterized in that: first fixed plate (3) include first fixed plate body (31), circular logical groove (32), clamp plate (33), connecting plate (34) and sawtooth stationary blade (35), the equal distance of surface of first fixed plate body (31) is evenly dug and is had two rows of circular logical grooves (32), the surperficial four sides of first fixed plate body (31) all are equipped with clamp plate (33), every group the both ends of clamp plate (33) all through the pivot with the inboard lateral wall of connecting plate (34) rotates to be connected, the bottom of connecting plate (34) with the fixed surface of first fixed plate body (31) is connected, the vertical sawtooth stationary blade (35) that is equipped with in the bottom outside of clamp plate (33).
3. The automatic cutting machine for polyester regenerated sponges according to claim 1 or 2, characterized in that: the diameter of the circular through grooves (32) is equal to that of the electric heating rings (44), and the distance between the upper row of circular through grooves and the lower row of circular through grooves (32) is equal to that between the electric heating rings (44).
4. The automatic cutting machine for polyester regenerated sponge according to claim 1, characterized in that: a speed reducer is arranged between the motor (54) and the crank (53), and the required time length of each turn of the crank (53) is equal to the required time length of each up-and-down reciprocating motion of the electric telescopic rod (42).
5. The automatic cutting machine for polyester regenerated sponges according to claim 1 or 2, characterized in that: the angle of each rotation of the grooved wheel (52) is 90 degrees, and the circumference of the side surface of the saw tooth roller (51) is four times of the distance between two adjacent groups of the circular through grooves (32).
6. The automatic cutting machine for polyester regenerated sponge according to claim 1, characterized in that: the length of the rack (12) is equal to that of the sliding chute (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010930396.5A CN112109146A (en) | 2020-09-07 | 2020-09-07 | Automatic cutting machine for polyester regenerated sponge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010930396.5A CN112109146A (en) | 2020-09-07 | 2020-09-07 | Automatic cutting machine for polyester regenerated sponge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112109146A true CN112109146A (en) | 2020-12-22 |
Family
ID=73803282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010930396.5A Withdrawn CN112109146A (en) | 2020-09-07 | 2020-09-07 | Automatic cutting machine for polyester regenerated sponge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112109146A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070925A (en) * | 2021-04-29 | 2021-07-06 | 陈曦 | Automatic cutting equipment and cutting method for polyurethane sponge |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205097296U (en) * | 2015-07-28 | 2016-03-23 | 安吉县新泰海绵厂 | Molding sponge cutterbar |
| CN206999054U (en) * | 2017-05-10 | 2018-02-13 | 上海酬勤家俱有限公司 | A kind of sponge cutting machine |
| KR101917078B1 (en) * | 2018-06-26 | 2018-11-08 | 이재호 | Automatic Plastic Product Cutting Device |
| CN209022242U (en) * | 2018-10-24 | 2019-06-25 | 东莞市捷骏塑料制品有限公司 | A kind of boiling hot turning equipment of sponge gradient |
| CN110883855A (en) * | 2019-12-09 | 2020-03-17 | 周俊杰 | Quick drilling equipment of rigid polyurethane foam panel |
-
2020
- 2020-09-07 CN CN202010930396.5A patent/CN112109146A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205097296U (en) * | 2015-07-28 | 2016-03-23 | 安吉县新泰海绵厂 | Molding sponge cutterbar |
| CN206999054U (en) * | 2017-05-10 | 2018-02-13 | 上海酬勤家俱有限公司 | A kind of sponge cutting machine |
| KR101917078B1 (en) * | 2018-06-26 | 2018-11-08 | 이재호 | Automatic Plastic Product Cutting Device |
| CN209022242U (en) * | 2018-10-24 | 2019-06-25 | 东莞市捷骏塑料制品有限公司 | A kind of boiling hot turning equipment of sponge gradient |
| CN110883855A (en) * | 2019-12-09 | 2020-03-17 | 周俊杰 | Quick drilling equipment of rigid polyurethane foam panel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070925A (en) * | 2021-04-29 | 2021-07-06 | 陈曦 | Automatic cutting equipment and cutting method for polyurethane sponge |
| CN113070925B (en) * | 2021-04-29 | 2022-08-30 | 佛山市南海区信万乔布艺有限公司 | Automatic cutting equipment and cutting method for polyurethane sponge |
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Application publication date: 20201222 |
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| WW01 | Invention patent application withdrawn after publication |