CN110576085A - Arc door core plate bending device - Google Patents
Arc door core plate bending device Download PDFInfo
- Publication number
- CN110576085A CN110576085A CN201910840300.3A CN201910840300A CN110576085A CN 110576085 A CN110576085 A CN 110576085A CN 201910840300 A CN201910840300 A CN 201910840300A CN 110576085 A CN110576085 A CN 110576085A
- Authority
- CN
- China
- Prior art keywords
- compression roller
- door core
- sliding block
- bending apparatus
- rod
- 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.)
- Pending
Links
- 238000005452 bending Methods 0.000 title claims abstract description 41
- 230000006835 compression Effects 0.000 claims abstract description 87
- 238000007906 compression Methods 0.000 claims abstract description 87
- 230000000712 assembly Effects 0.000 claims abstract description 22
- 238000000429 assembly Methods 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 abstract description 5
- 230000008602 contraction Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to the technical field of plate processing, and particularly discloses an arc door core plate bending device which comprises a plurality of compression roller assemblies which are arranged at equal intervals and are sequentially hinged, and a telescopic device for adjusting the hinge angle between the compression roller assemblies, wherein the telescopic device comprises a fixed block, a limiting frame, a sliding block and a connecting rod, the fixed block and the limiting frame are both fixed at the bottoms of the compression roller assemblies, the sliding block is in sliding connection with the limiting frame, the fixed block at the bottom of each compression roller assembly is connected with the sliding block adjacent to the bottom of the compression roller assembly through the connecting rod, and the fixed block and the sliding block at the bottom of the compression roller assembly positioned on the outermost side are both connected with; compared with the traditional arc-shaped mould bending and rolling arc bending modes, the invention can control the stroke of the driving rod to change the contraction degree of the telescopic device so as to change the bending radius of the door core plate, so that the invention is used for processing plates with different bending radii, saves the cost of repeated die opening, and has the characteristics of convenient operation, wide application range and low equipment cost.
Description
Technical Field
The invention relates to the technical field of plate processing, in particular to plate bending equipment.
Background
In order to meet the requirements of part of market customers, the arc-shaped door is also an indispensable product in furniture enterprises, and the manufacture of the core plate of the arc-shaped door is troublesome in the production process of the arc-shaped door.
The production process of the arc door core plate needs bending processing, and the traditional plate bending process mainly comprises two modes, wherein one mode is that an arc mold is carved according to the required radian, and then the core plate is clamped by the mold to be bent and shaped, so that the mode is troublesome to operate, the radian is not adjustable, different molds need to be opened at different radians, and a large amount of materials are wasted; in another processing mode, the three rollers are utilized to roll the door core plate into an arc-shaped plate through the arc rolling machine, the arc rolling machine is customized, and the radian is still not adjustable, so that the device with the arbitrarily adjustable radian is provided for realizing the bending and shaping of the core plate.
Disclosure of Invention
in view of the deficiencies of the prior art, the present invention is directed to an arcuate door core plate bending apparatus adapted for use with different bend plate radii.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an arc door core board bending apparatus, includes that a plurality of equidistance sets up and articulated compression roller assembly in proper order and is used for adjusting the telescoping device of articulated angle between the compression roller assembly, the telescoping device is including deciding piece, spacing, slider and connecting rod, decide the piece, spacing all fixes in the compression roller assembly bottom, slider and spacing sliding connection, every the piece of deciding of compression roller assembly bottom is connected through the connecting rod and the slider that is close to compression roller assembly bottom, all links on the piece, the slider of deciding of the compression roller assembly bottom that a bit lies in the outside has the actuating lever.
Furthermore, the compression roller assembly comprises a lower compression roller, an upper compression roller and an upper compression roller support, the upper compression roller support is fixed at two ends of the lower compression roller, the upper compression roller is installed on the upper compression roller support, and the lower compression rollers are connected through hinges to enable the compression roller assemblies to be hinged.
Further, the diameter of the upper pressing roller is smaller than that of the lower pressing roller, and the upper pressing roller is located above the lower pressing roller.
Furthermore, the sliding direction of the sliding block on the limiting frame is parallel to the axial lead of the upper pressing roller.
Furthermore, the fixed block comprises a fixed block support and a first polished rod with a medium, the fixed block support is fixed at the bottom of the compression roller assembly, first shaft sleeves are fixed on two sides of the fixed block support, the first polished rod with the medium is inserted into the first shaft sleeves, and the end of the first polished rod with the medium is hinged to the connecting rod.
Furthermore, the limiting frame is a rectangular frame with a rectangular through hole in the middle, the sliding block comprises a sliding block support and a second polished rod with a dielectric, the sliding block support is arranged in the limiting frame in a sliding mode, second shaft sleeves limiting the sliding direction of the sliding block support on the limiting frame are arranged on two sides of the sliding block support, the second polished rod with the dielectric is inserted into the second shaft sleeves, and the end head of the second polished rod with the dielectric is hinged to the connecting rod.
Further, two connecting rods between two adjacent press roller assemblies are hinged in the middle.
Furthermore, flat grooves for hinged installation are arranged at the two ends and the middle part of the connecting rod.
furthermore, when the sliding block slides to the position, which is far away from the fixed block and is closest, in the limiting frame, the pressing roller assemblies are horizontally aligned.
Furthermore, the number of the telescopic devices is two, and the two telescopic devices are respectively arranged at two ends of the bottom of the compression roller assembly.
The invention has the following beneficial effects:
Compared with the traditional arc-shaped mould bending and rolling arc bending modes, the invention can control the stroke of the driving rod to change the contraction degree of the telescopic device so as to change the bending radius of the door core plate, so that the invention is used for processing plates with different bending radii, saves the cost of repeated die opening, and has the characteristics of convenient operation, wide application range and low equipment cost.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a partial schematic view of the present invention;
FIG. 4 is a schematic perspective view of the retractable device;
FIG. 5 is an enlarged view of FIG. 4 at B;
FIG. 6 is a schematic view of the door core panel blank of the present invention in a flat configuration;
FIG. 7 is a schematic view of the door core panel blank of the present invention in a bent state;
in the figure: 1. a press roll assembly; 2. a telescoping device; 3. fixing blocks; 4. a limiting frame; 5. a slider; 6. a connecting rod; 7. a drive rod; 11. a lower pressing roller; 12. an upper compression roller; 13. an upper press roll bracket; 14. a hinge; 31. fixing a block bracket; 32. a first dielectric-carrying rod; 33. a first bushing; 41. a rectangular through hole; 51. a slider bracket; 52. a second light rod with a dielectric; 53. a second shaft sleeve; 61. and (4) flattening the groove.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments so as to more clearly understand the technical idea of the invention claimed.
The invention discloses an arc-shaped door core plate bending device which comprises a plurality of compression roller assemblies 1 which are arranged at equal intervals and are sequentially hinged, and a telescopic device 2 used for adjusting the hinge angle between the compression roller assemblies 1, wherein the telescopic device 2 comprises fixed blocks 3, a limiting frame 4, sliding blocks 5 and connecting rods 6, the fixed blocks 3 and the limiting frame 4 are both fixed at the bottoms of the compression roller assemblies 1, the sliding blocks 5 are in sliding connection with the limiting frame 4, the fixed block 3 at the bottom of each compression roller assembly 1 is connected with the sliding block 5 adjacent to the bottom of the compression roller assembly 1 through the connecting rod 6, and the fixed block 3 and the sliding block 5 at the bottom of the compression roller assembly 1 at the outermost side are both connected with driving rods 7.
as shown in fig. 4-5, two ends of the connecting rod 6 are hinged with the fixed block 3 and the sliding block 5 respectively, so as to connect the plurality of fixed blocks 3 and the sliding block 5 into a telescopic connection structure similar to a scissor, the telescopic device 2 is unfolded to the longest under normal conditions, the press roll assembly 1 is in a flat state as shown in fig. 6, a worker places a plate to be bent in the press roll assembly 1, then the driving rod 7 of the present invention is connected to the driving device, the driving device pulls the outermost ends of the two driving rods 7 of the same telescopic device 2, so as to open the two driving rods 7, so as to drive the sliding block 5 to slide in a direction away from the fixed block 3, even if the telescopic device 2 is telescopic, because the telescopic device 2 is arranged below the press roll assembly 1 and the two adjacent press roll assemblies 1 are installed in a hinged manner, the whole body formed by the plurality of press roll assemblies 1 is driven by the telescopic device 2 to be bent downwards to form a, bending the plate to finish the bending of the door core plate; after the bending is finished, a worker slides out the bent door core plate along the whole curling body formed by the plurality of compression roller assemblies 1, and the expansion device 2 can be installed and bent again by using the driving equipment.
It is worth mentioning that an edge of the plate member incorporated in the present invention is located at the center of the platen roller assembly 1 near the driving rod 7 to ensure that the edge of the curved door core plate near the driving rod 7 has no flat edge, which facilitates the worker to take out the curved door core plate from the other side.
More specifically, the driving device connected to the bending machine can be a linear driving device such as an air cylinder, a hydraulic cylinder, an electric telescopic rod, a ball screw pair driven by a motor and the like, the driving device is adopted as a horizontal movement driving mechanism and is a conventional technical means, and workers can complete plate bending processing by driving the outermost ends of the two driving rods 7 to switch in a state of approaching or departing from each other by using the driving device.
Preferably, the compression roller assembly 1 comprises a lower compression roller 11, an upper compression roller 12 and an upper compression roller bracket 13, the upper compression roller bracket 13 is fixed at both ends of the lower compression roller 11, the upper compression roller 12 is installed on the upper compression roller bracket 13, and the plurality of lower compression rollers 11 are connected through hinges 14 to enable the plurality of compression roller assemblies 1 to be hinged; in a single compression roller assembly 1, the relative positions of a lower compression roller 11 and an upper compression roller 12 are unchanged, the minimum distance between the two is equal to the thickness of a door core plate part, namely, the upper surface and the lower surface of the door core plate fed into processing are respectively contacted with the bottom surface of the upper compression roller 12 and the top surface of the lower compression roller 11; when the door core plate is bent, the lower compression roller 11 applies force to the door core plate to bend the door core plate, the upper compression roller 12 limits the bending degree of the door core plate and prevents the part of the door core plate from excessively protruding and breaking, and the compression roller assemblies 1 which are arranged at equal intervals are arranged to balance the stress of the door core plate and ensure that the plate can be bent into an arc surface; in addition, the fixed block 3 and the sliding block 5 on each compression roller assembly 1 correspond in position, and the connecting rods 6 are consistent in size, so that when the compression roller assemblies 1 are bent, the axis line of the lower compression roller 11 is intersected with an arc on a vertical section, the arc surface of the bent door core plate is coaxial with the center of the arc, namely the acting force of the upper compression roller 11 on the door core plate is the radial force of the arc, and therefore the door core plate cannot deviate and slide out when being bent.
Preferably, the upper roller 12 is rotatably connected to the upper roller holder 13 to facilitate the feeding and removal of the door core members.
Preferably, as shown in fig. 3, the top of the lower pressing roller 11 has a cambered surface, hinge arms of the hinges 14 of the hinges are fixed on both sides, and the bottom of the lower pressing roller 11 has a plane for mounting the fixed block 3 and the limiting frame 4.
Preferably, the diameter of the upper compression roller 12 is smaller than that of the lower compression roller 11, the upper compression roller 12 is located above the lower compression roller 11, and when the door core plate member is bent, the axial line of the upper compression roller 12 and the axial line of the lower compression roller 11 in the same compression roller assembly 1 pass through the radial line of the cambered surface of the same bent door core plate member.
Preferably, the sliding direction of the sliding block 5 on the limiting frame 4 is parallel to the axial lead of the upper pressing roller 12.
preferably, the fixed block 3 comprises a fixed block bracket 31 and a first light rod with a medium 32, the fixed block bracket 31 is fixed at the bottom of the compression roller assembly 1, both sides of the fixed block bracket 31 are fixed with first shaft sleeves 33, the first light rod with a medium 32 is inserted into the first shaft sleeves 33, and the end of the light rod with the medium 32 is hinged with the connecting rod 6; the first medium-carrying rod 32 is inserted into the first shaft sleeve 33, so that the first medium-carrying rod 32 can rotate in the first shaft sleeve 33, and the telescopic device 2 can drive the pressure roller assembly 1 to deflect around the hinge 14 when being contracted; the interposed end of first dielectric-containing rod 32 and link 6 define the position of first dielectric-containing rod 32 within first sleeve 33, preventing first dielectric-containing rod 32 from being removed from first sleeve 33.
Preferably, the limiting frame 4 is a rectangular frame with a rectangular through hole 41 in the middle, the sliding block 5 comprises a sliding block bracket 51 and a second light rod with a medium 52, the sliding block bracket 51 is slidably arranged in the limiting frame 4, two sides of the sliding block bracket 51 are respectively provided with a second shaft sleeve 53 for limiting the sliding direction of the sliding block bracket on the limiting frame 4, the second light rod with a medium 52 is inserted in the second shaft sleeves 53, and the end of the light rod of the second light rod with a medium 52 is hinged to the connecting rod 6; similarly to the method of mounting the first dielectric rod with rod 32, the second dielectric rod with rod 52 is inserted into the second sleeve 53 so that the second dielectric rod with rod 52 can rotate in the second sleeve 53.
Preferably, since the fixed block 3 and the sliding block 5 are installed below each compression roller assembly 1, two connecting rods 6 are respectively arranged between two adjacent compression roller assemblies 1 of the same telescopic device 2, and the middle parts of the two connecting rods 6 between two adjacent compression roller assemblies 1 are hinged, so as to ensure the structural stability of the door core plate, and thus ensure the smooth bending of the door core plate.
Preferably, the two ends and the middle part of the connecting rod 6 are provided with flat grooves 61 for hinge installation, the non-end parts of the first and second medium-carrying rods 32 and 52 are provided with installation planes matched with the flat grooves 61, and the middle parts of the flat grooves 61 of two connecting rods 6 positioned between two adjacent compression roller assemblies 1 in the same telescopic device 2 face to each other and are attached by hinge shafts, so that the shaft axes of all the connecting rods 6 are positioned on the same horizontal plane when the compression roller assemblies 1 are in a horizontal state, thereby further ensuring the structural stability of the invention.
preferably, as shown in fig. 2, the driving rod 7 of the present invention is a rod body hinged at the middle part as the connecting rod 6.
Preferably, when the sliding block 5 slides to the position, which is closest to the fixed block 3, in the limiting frame 4, the plurality of pressing roller assemblies 1 are horizontally aligned, the initial position of the sliding block 5 is limited by the limiting frame 4, and the phenomenon that the plate is reversely bent and damaged due to misoperation of driving equipment can be avoided.
Preferably, the number of the two expansion devices 2 is two, the two expansion devices are respectively arranged at two ends of the bottom of the compression roller assembly 1, the driving rods 7 are located at the same side of the compression roller assembly 1, the limiting frames 4 and the fixed blocks 3 of the two expansion devices 2 are symmetrically arranged, a worker can simultaneously control the driving rods 7 connected to the two expansion devices 2 to perform bending processing by using driving equipment, and the two expansion devices 2 which are symmetrically arranged can be used for stress of the door core plate part, so that the quality of bending forming of the door core plate is effectively improved.
Preferably, the adjacent lower rollers 11 are connected by two hinges 14.
compared with the traditional arc-shaped mould bending and rolling arc bending modes, the invention can control the stroke of the driving rod 7 to change the contraction degree of the telescopic device 2 so as to change the bending radius of the door core plate, so that the invention is used for processing plates with different bending radii, saves the cost of repeated mould opening, and has the characteristics of convenient operation, wide application range and low equipment cost.
Various other changes and modifications to the above-described embodiments and concepts will become apparent to those skilled in the art from the above description, and all such changes and modifications are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (10)
1. An arcuate door core bending apparatus, comprising: including a plurality of equidistance setting and articulated compression roller subassembly (1) in proper order and be used for adjusting telescoping device (2) of articulated angle between compression roller subassembly (1), telescoping device (2) are including deciding piece (3), spacing (4), slider (5) and connecting rod (6), decide piece (3), spacing (4) and all fix in compression roller subassembly (1) bottom, slider (5) and spacing (4) sliding connection, every fixed piece (3) of compression roller subassembly (1) bottom are connected with slider (5) of neighbouring compression roller subassembly (1) bottom through connecting rod (6), all link on fixed piece (3), slider (5) of compression roller subassembly (1) bottom that a bit lies in the outside and have actuating lever (7).
2. An arcuate door core panel bending apparatus as defined in claim 1, wherein: compression roller subassembly (1) includes compression roller (11), last compression roller (12) and last compression roller support (13) down, compression roller (11) both ends all are fixed with last compression roller support (13) down, go up compression roller (12) and install on last compression roller support (13), and are a plurality of compression roller (11) are connected and are made a plurality of down compression roller subassembly (1) is articulated through hinge (14).
3. An arcuate door core panel bending apparatus as defined in claim 2, wherein: the diameter of the upper pressing roller (12) is smaller than that of the lower pressing roller (11), and the upper pressing roller (12) is located above the lower pressing roller (11).
4. An arcuate door core panel bending apparatus as defined in claim 2, wherein: the sliding direction of the sliding block (5) on the limiting frame (4) is parallel to the axial lead of the upper pressing roller (12).
5. An arcuate door core panel bending apparatus as defined in claim 1, wherein: the fixed block (3) comprises a fixed block support (31) and a first polished rod with a dielectric (32), the fixed block support (31) is fixed at the bottom of the compression roller assembly (1), first shaft sleeves (33) are fixed on two sides of the fixed block support, the first polished rod with the dielectric (32) is inserted into the first shaft sleeves (33), and the end head of the polished rod with the dielectric (32) is hinged to the connecting rod (6).
6. An arcuate door core panel bending apparatus as defined in claim 1, wherein: the limiting frame (4) is a rectangular frame with a rectangular through hole (41) in the middle, the sliding block (5) comprises a sliding block support (51) and a second light-transmitting rod (52) with a medium, the sliding block support (51) is arranged in the limiting frame (4) in a sliding mode, second shaft sleeves (53) limiting the sliding direction of the sliding block support on the limiting frame (4) are arranged on two sides of the sliding block support, the second light-transmitting rod (52) with the medium is inserted into the second shaft sleeves (53), and the end of the second light-transmitting rod (52) with the medium is hinged to the connecting rod (6).
7. An arcuate door core panel bending apparatus as defined in claim 1, wherein: two connecting rods (6) between two adjacent press roller assemblies (1) are hinged in the middle.
8. An arcuate door core panel bending apparatus as defined in claim 7, wherein: and flat grooves (61) for hinged installation are arranged at the two ends and the middle part of the connecting rod (6).
9. An arcuate door core panel bending apparatus as defined in claim 1, wherein: when the sliding block (5) slides to the position, which is closest to the fixed block (3), in the limiting frame (4), the pressing roller assemblies (1) are horizontally aligned.
10. An arcuate door core panel bending apparatus as defined in any one of claims 1 to 9, wherein: the number of the telescopic devices (2) is two, and the two telescopic devices are respectively arranged at two ends of the bottom of the compression roller assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840300.3A CN110576085A (en) | 2019-09-06 | 2019-09-06 | Arc door core plate bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840300.3A CN110576085A (en) | 2019-09-06 | 2019-09-06 | Arc door core plate bending device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110576085A true CN110576085A (en) | 2019-12-17 |
Family
ID=68812259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910840300.3A Pending CN110576085A (en) | 2019-09-06 | 2019-09-06 | Arc door core plate bending device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110576085A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1509989A (en) * | 1975-05-30 | 1978-05-10 | Saint Gobain | Curving of sheets |
| CN1067088A (en) * | 1991-05-18 | 1992-12-16 | 帕歇工厂麦尔·G·有限公司 | The template that is used for surfaces varying in curvature |
| JPH0752289A (en) * | 1993-08-16 | 1995-02-28 | Nippon Nakashin Hanbai Kk | Curved sandwich panel and manufacture thereof |
| WO1998058144A1 (en) * | 1997-06-16 | 1998-12-23 | Eurobress (S.A.R.L) | Formwork device with adjustable bending radius |
| US20040244424A1 (en) * | 2003-06-04 | 2004-12-09 | Asahi Glass Company, Limited | Bending system, bending method and curved roller for a glass sheet |
| CN101033110A (en) * | 2007-02-14 | 2007-09-12 | 福耀玻璃工业集团股份有限公司 | Equipment for bending, forming and tempering automobile glass |
| CN207891254U (en) * | 2017-12-19 | 2018-09-21 | 东莞奔迅汽车玻璃有限公司 | The windshield mold for toughing of bending glass sheet |
| CN209156805U (en) * | 2018-09-29 | 2019-07-26 | 安徽钟南人防工程防护设备有限公司 | A kind of multi-functional adjustable forming mill |
| CN210816846U (en) * | 2019-09-06 | 2020-06-23 | 广东玛格家居有限公司 | Arc door core plate bending device |
-
2019
- 2019-09-06 CN CN201910840300.3A patent/CN110576085A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1509989A (en) * | 1975-05-30 | 1978-05-10 | Saint Gobain | Curving of sheets |
| CN1067088A (en) * | 1991-05-18 | 1992-12-16 | 帕歇工厂麦尔·G·有限公司 | The template that is used for surfaces varying in curvature |
| JPH0752289A (en) * | 1993-08-16 | 1995-02-28 | Nippon Nakashin Hanbai Kk | Curved sandwich panel and manufacture thereof |
| WO1998058144A1 (en) * | 1997-06-16 | 1998-12-23 | Eurobress (S.A.R.L) | Formwork device with adjustable bending radius |
| US20040244424A1 (en) * | 2003-06-04 | 2004-12-09 | Asahi Glass Company, Limited | Bending system, bending method and curved roller for a glass sheet |
| CN101033110A (en) * | 2007-02-14 | 2007-09-12 | 福耀玻璃工业集团股份有限公司 | Equipment for bending, forming and tempering automobile glass |
| CN207891254U (en) * | 2017-12-19 | 2018-09-21 | 东莞奔迅汽车玻璃有限公司 | The windshield mold for toughing of bending glass sheet |
| CN209156805U (en) * | 2018-09-29 | 2019-07-26 | 安徽钟南人防工程防护设备有限公司 | A kind of multi-functional adjustable forming mill |
| CN210816846U (en) * | 2019-09-06 | 2020-06-23 | 广东玛格家居有限公司 | Arc door core plate bending device |
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