CN107900153A - Sheet metal component bender - Google Patents
Sheet metal component bender Download PDFInfo
- Publication number
- CN107900153A CN107900153A CN201711384147.5A CN201711384147A CN107900153A CN 107900153 A CN107900153 A CN 107900153A CN 201711384147 A CN201711384147 A CN 201711384147A CN 107900153 A CN107900153 A CN 107900153A
- Authority
- CN
- China
- Prior art keywords
- sheet metal
- metal component
- supporting rod
- block
- workbench
- 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.)
- Withdrawn
Links
- 239000002184 metal Substances 0.000 title claims abstract description 85
- 238000005452 bending Methods 0.000 claims abstract description 39
- 230000003028 elevating effect Effects 0.000 claims description 21
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 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
- B21D5/002—Positioning devices
-
- 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
- B21D5/04—Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
- B21D5/047—Length adjustment of the clamping means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a kind of sheet metal component bender, including body, cutter and lower pressure cylinder, the lower pressure cylinder is fixedly connected with body, workbench is provided with the body, the clamping device abutted with sheet metal component so as to be clamped to sheet metal component is provided with the body, the clamping device is arranged on the side of workbench.When carrying out bending to sheet metal component, workpiece is placed on the table, sheet metal component is clamped by the clamping device of workbench side by being abutted with sheet metal component；The piston rod of lower pressure cylinder stretches out, so that with cutter to working table movement, so as to carry out bending to the sheet metal component on workbench；After bending, push hydraulic cylinder piston rod and retract, so as to be moved with cutter to the direction away from workbench；Sheet metal component keeps the position after bending under the clamping action of clamping device, so that rocking in cutter return stroke sheet metal component is reduced, so as to reduce the damage on sheet metal component surface.
Description
Technical field
The present invention relates to sheet metal component bending field, more particularly to a kind of sheet metal component bender.
Background technology
Sheet metal component is a kind of sheet metal（Thickness is usually in below 6mm）, needed when using sheet metal component to sheet metal component into
Row bending.
Existing bender, including workbench, slide the cutter that is connected and the oil with cutter movement vertically with workbench
Material, is manually placed on workbench by cylinder, by the upper and lower sliding of cutter so as to workpiece progress bending.
But in bending, sheet metal component rotates at cutter and sheet metal component contact position；When bending is completed, cutter and metal plate
Golden part separation, the sheet metal component after bending can shake, sheet metal component surface caused to damage.
The content of the invention
The object of the present invention is to provide a kind of sheet metal component bender, its advantage is to reduce metal plate by the clamping with sheet metal component
Part rocks, so as to reduce the damage on sheet metal component surface.
The present invention above-mentioned purpose technical scheme is that：A kind of sheet metal component bender, including machine
Body, slide the cutter being connected on body and the lower pressure cylinder risen or fallen with cutter, the pushing hydraulic pressure vertically
Cylinder is fixedly connected with body, is provided with and is coordinated with cutter so as to carry out the workbench of bending to sheet metal component on the body, described
The clamping device abutted with sheet metal component so as to be clamped to sheet metal component is provided with body, the clamping device is arranged on
The side of workbench.
Through the above technical solutions, when carrying out bending to sheet metal component, workpiece is placed on the table, workbench side
Sheet metal component is clamped by clamping device by being abutted with sheet metal component；The piston rod of lower pressure cylinder stretches out, so as to drive
Cutter is to working table movement, so as to carry out bending to the sheet metal component on workbench；After bending, hydraulic cylinder piston rod is pushed
Retract, so as to be moved with cutter to the direction away from workbench；Sheet metal component keeps bending under the clamping action of clamping device
Position afterwards, so that rocking in cutter return stroke sheet metal component is reduced, so as to reduce the damage on sheet metal component surface.
Preferably, the clamping device include be fixed in body bottom side supporting rack and by closer or far from from
And the clamp assemblies clamped to sheet metal component, the clamp assemblies are arranged on supporting rack both sides and are slid with supporting rack and connected.
Preferably, be provided with crossbeam on support frame as described above, the clamp assemblies include with the slipping block of crossbeam sliding connection,
Hinged supporting rod, the elevating lever connected with supporting rod sliding and the clamping hinged with elevating lever top with slipping block top
Portion, the supporting rod are provided with the non-return component abutted so as to limit supporting rod reversion, the folder with slipping block hinged place
The rotation direction of bar is held towards body；It is provided with and is abutted so as to limit stopping for elevating lever retraction supporting rod on the supporting rod
Move back component.
Through the above technical solutions, clamping section clamps sheet metal component, in sheet metal component bending process, elevating lever exists
Slid on supporting rod to the direction away from supporting rod, by the retaining component on supporting rod, so that elevating lever is fixed on sliding
Position afterwards；Supporting rod to close to workbench direction rotate, by the non-return component on slipping block, thus limit supporting rod to
Side away from workbench rotates, so that supporting rod is fixed on the position after rotating.
Preferably, the clamping part includes the grip block hinged with elevating lever top, the rotor with grip block rotation connection
And the gripping block being connected with rotor threads.
Through the above technical solutions, rotor is rotated, so that gripping block is closer or far from grip block, so that sheet metal component be pressed from both sides
Hold between gripping block and grip block.
Preferably, the non-return component include the ratchet affixed with supporting rod and with slipping block rotation connection and and ratchet
The pawl of cooperation, pawl at slipping block rotation connection with being provided with torsional spring.
Through the above technical solutions, pawl is connected on ratchet by pawl by the effect of torsional spring, so as to limit supporting rod
Rotated to the direction away from workbench.
Preferably, some sawtooth are connected with the lifting, the lifting groove for sawtooth sliding is offered on the supporting rod,
The retaining bar and be arranged on retaining that limited block and the limited block sliding that the retaining component includes being fixed on supporting rod connect
Bar one end and with the retreat stop block of engagement, be socketed with retaining spring on retaining bar, one end and the retreat stop block of retaining spring are fixed
Connection, the other end are fixedly connected with limited block.
Through the above technical solutions, by retreat stop block and the abutting of sawtooth, so as to limit elevating lever to close to supporting rod
Move in direction.
Preferably, the side of support frame as described above is rotatably connected to leading screw, and opposite side is connected with guide post, one end of the crossbeam
It is connected with threads of lead screw, the other end is connected with guide post sliding.
Through the above technical solutions, rotational lead screw is so as to drive crossbeam to be moved on leading screw, so as to adjust supporting rod and work
Make the distance between platform, consequently facilitating the clamping to sheet metal component；By the guide post on supporting rack, so that during cross beam movement
It is more steady.
Preferably, fixing bolt is threaded with the slipping block, one end of the fixing bolt is abutted with crossbeam.
Through the above technical solutions, fixing bolt is abutted with crossbeam, so as to slipping block is fixed on crossbeam, so as to reduce
Displacement of the slipping block on crossbeam, consequently facilitating being clamped to sheet metal component.
In conclusion the invention has the advantages that：When carrying out bending to sheet metal component, workpiece is placed on workbench
On, sheet metal component is clamped by the clamping device of workbench side by being abutted with sheet metal component；The piston of lower pressure cylinder
Bar stretches out, so that with cutter to working table movement, so as to carry out bending to the sheet metal component on workbench；After bending,
Push hydraulic cylinder piston rod to retract, so as to move to the direction away from workbench with cutter；Folder of the sheet metal component in clamping device
Hold under effect, keep the position after bending, so that rocking in cutter return stroke sheet metal component is reduced, so as to reduce sheet metal component
The damage on surface；Clamping section clamps sheet metal component, and in sheet metal component bending process, elevating lever is on supporting rod to remote
The direction sliding of supporting rod, by the retaining component on supporting rod, so that elevating lever is fixed on the position after sliding；Supporting rod
Rotated to close to the direction of workbench, by the non-return component on slipping block, so as to limit supporting rod to one away from workbench
Side rotates, so that supporting rod is fixed on the position after rotating；Rotational lead screw is so as to drive crossbeam to be moved on leading screw, so as to adjust
The distance between supporting rod and workbench are saved, consequently facilitating the clamping to sheet metal component；By the guide post on supporting rack, so that horizontal
It is more steady in beam moving process.
Brief description of the drawings
Fig. 1 is the overall schematic for embodying the present invention；
Fig. 2 is the schematic diagram for embodying foldable component in Fig. 1；
Fig. 3 is the schematic diagram for embodying clamping device；
Fig. 4 is the schematic diagram for embodying non-return component in Fig. 3；
Fig. 5 is the schematic diagram for embodying clamping section；
Fig. 6 is the schematic diagram for embodying retaining component in Fig. 5；
Fig. 7 is the schematic diagram for embodying support device；
Fig. 8 is the schematic diagram for embodying support component.
In figure：1st, body；11st, workbench；12nd, Bending Mould；2nd, apparatus for bending；21st, lower platen；22nd, foldable component；
221st, mounting blocks；222nd, cutter；223rd, grip block；23rd, lower pressure cylinder；3rd, clamping device；31st, supporting rack；32nd, crossbeam；33、
Slipping block；331st, fixing bolt；34th, supporting rod；35th, elevating lever；351st, sawtooth；352nd, lifting groove；36th, retaining component；361、
Retaining bar；362nd, retreat stop block；363rd, retaining spring；364th, limited block；37th, clamping section；371st, grip block；372nd, gripping block；
373rd, rotor；38th, non-return component；381st, ratchet；382nd, pawl；39th, leading screw；391st, handle；4th, support device；41st, fixed block；
42nd, movable block；43rd, mobile motor；44th, screw rod；45th, support component；451st, supporting case；452nd, support plate；453rd, adjusting bolt.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing.The identical reference numeral of wherein identical parts
Represent.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to it is attached
Direction in figure, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometric center
Direction.
A kind of sheet metal component bender, as shown in Figure 1, including body 1, being arranged on the apparatus for bending 2 on 1 top of body, setting
Support device 4 in body bottom side（As shown in Figure 7）And it is arranged on the clamping device 3 of 1 bottom opposite side of body, body
Include workbench 11 on 1, workbench 11 is located at the underface of apparatus for bending 2, and workbench 11 is arranged on support device 4 and is filled with clamping
Put between 3.Sheet metal component is placed on workbench 11 and support device 4, support device 4 is supported sheet metal component, clamping dress
Put 3 pairs of sheet metal components to clamp, by the decline and rising of apparatus for bending 2, complete the bending operation to sheet metal component.
Apparatus for bending 2 includes sliding the lower platen 21 of connection vertically with body 1, is arranged on the bending group of 21 bottom of lower platen
Part 22 and the lower pressure cylinder 23 for driving lower platen 21 to rise or fall（As shown in Figure 7）；Lower pressure cylinder 23 includes piston
Bar, lower pressure cylinder 23 are fixedly connected with 1 top of body close to the side of workbench 11, and the piston rod of lower pressure cylinder 23 is with
Pressing plate 21 is fixedly connected.
As shown in Fig. 2, foldable component 22 includes being fixed in the mounting blocks 221 of 21 bottom of lower platen, is arranged on lower platen 21
The cutter 222 of bottom and grip block bolted with mounting blocks 221 223；222 top of cutter is connected with sliding block, grip block
The sliding slot for sliding block sliding is provided between 223 and mounting blocks 221, after cutter 222 is connected with the sliding of grip block 223, grip block
223 with grip block 223 by being bolted so that cutter 222 is fixed on grip block 223；Workbench 11（As shown in Figure 1）
Top is connected with the Bending Mould 12 coordinated with cutter 222, and the top of Bending Mould 12 is provided with working face, the section of working face
It is V-shaped；The stretching and retraction of lower 23 piston rod of pressure cylinder so that cutter 222 is down or up so as to sheet metal component into
Row bending；After cutter 222 declines, cutter 222 and 12 grafting of Bending Mould.
As shown in Figure 3 and Figure 4, clamping device 3 includes being fixed in body 1（As shown in Figure 1）The supporting rack 31 of bottom side
And it is arranged on 31 both sides of supporting rack and the clamp assemblies connected with the sliding of supporting rack 31.
The side of supporting rack 31 is provided with leading screw 39, and leading screw 39 is set along the width of supporting rack 31, leading screw 39 and branch
Support 31 is rotatablely connected, and supporting rack 31 is extended in one end of leading screw 39, and one end that leading screw 39 extends supporting rack 31 is connected with hand
Handle 391；Side of the supporting rack 31 away from leading screw 39 is connected with guide post；Crossbeam 32, one end of crossbeam 32 are provided with supporting rack 31
It is threadedly coupled with leading screw 39, the other end is connected with guide post sliding.
Clamp assemblies include with crossbeam 32 sliding connection slipping block 33, with the hinged supporting rod 34 in 33 top of slipping block,
Elevating lever 35 and the clamping section 37 hinged with 35 top of elevating lever with the sliding connection of supporting rod 34（As shown in Figure 5）；Sliding
Fixing bolt 331 is threaded with block 33, one end of fixing bolt 331 is abutted with crossbeam 32.
Supporting rod 34 is provided with non-return component 38 with 33 hinged place of slipping block, and non-return component 38 includes affixed with supporting rod 34
Ratchet 381 and the pawl 382 that is rotatablely connected with slipping block 33 and coordinates with ratchet 381, pawl 382 rotates with slipping block 33
Junction is provided with torsional spring.
Supporting rod 34 can rotate to close to the side of workbench 11, when needing supporting rod 34 to away from workbench 11
When side rotates, pawl 382 is rotated, pawl 382 is separated with ratchet 381, so that by supporting rod 34 to remote workbench 11
One side slip.
As shown in Figure 5 and Figure 6, the side of elevating lever 35 is connected with some sawtooth 351, and the side of supporting rod 34 offers confession
The lifting groove 352 that sawtooth 351 slides, the side that supporting rod 34 is equipped with lifting groove 352 are provided with retaining component 36, retaining component
36 limited blocks 364 for including being fixed on supporting rod 34, slide the retaining bar 361 of connection with limited block 364 and be arranged on only
361 one end of bar and the retreat stop block 362 engaged with sawtooth 351 are moved back, retaining spring 363, retaining spring are socketed with retaining bar 361
363 one end is fixedly connected with retreat stop block 362, and the other end is fixedly connected with limited block 364.
Elevating lever 35 can be to the side slip away from slipping block 33, when supporting rod 34 is needed to close on supporting rod 34
During one side slip of slipping block 33, by retaining bar 361 to the side slip away from supporting rod 34 so that retreat stop block 362 and sawtooth
351 separation, so that by supporting rod 34 to the side slip close to slipping block 33.
Clamping section 37 includes the grip block 371 hinged with 35 top of elevating lever, the gripping block with the sliding connection of grip block 371
372 and the rotor 373 that is rotatablely connected with grip block 371 and is threadedly coupled with gripping block 372, be provided with gripping block 372 with
The screw thread that rotor 373 is threadedly coupled.
By rotating rotor 373 so that gripping block 372 moves on grip block 371, so as to be clamped to workpiece.
As shown in Figure 7 and Figure 8, support device 4 includes being fixed in the fixed block 41 of 1 both sides of body, is slid with fixed block 41
The movable block 42 of connection and the mobile motor 43 for driving movable block 42 to be slid on fixed block 41, mobile motor 43 are fixed in machine
On body 1；Body 1 is equipped with fixed block 41 and is provided with screw rod 44, and one end of screw rod 44 is fixedly connected with mobile motor 43, the other end
It is rotatablely connected with body 1, movable block 42 is threadedly coupled with screw rod 44；The top of movable block 42 is provided with support component 45, support
Component 45 includes some supporting cases 451 and the support plate 452 with the sliding connection of supporting case 451, and the bottom of supporting case 451 opens up
There is support slot, the top of movable block 42 is connected with sliding guide rail, and supporting case 451 is slidably connected by support slot and sliding guide rail；
Adjusting bolt 453 is threaded with supporting case 451, adjusting bolt 453 is threadedly coupled with support plate 452.
Mobile motor 43 is rotated so as to drive screw rod 44 to rotate, so that drive movable block 42 to be slid on fixed block 41, from
And adjust the distance between movable block 42 and workbench 11；Supporting case 451 slides on movable block 42, so as to adjust supporting case
451 position on movable block 42；By rotating adjusting bolt 453 so that supporting case 451 slides on supporting case 451, so that
Adjust the distance between support plate 452 and workbench 11.
The course of work：When carrying out bending to sheet metal component, according to the big minor adjustment movable block 42 of sheet metal component and workbench 11
The distance between, consequently facilitating being supported to sheet metal component；Sheet metal component is placed on Bending Mould 12 and support plate 452, is adjusted
Behind the position for having saved sheet metal component, the both sides of sheet metal component are clamped by rotating rotor 373.
Lower 23 piston rod of pressure cylinder stretches out, so as to be moved with cutter 222 to sheet metal component, so as to be rolled over to sheet metal component
It is curved；During bending, sheet metal component can be bent around bending position, supporting rod 34 during sheet metal component is curved to
The side of workbench 11 rotates, and supporting rod 34 stablizes the position after rotation under the action of ratchet 381, pawl 382；Elevating lever
35 move on supporting rod 34, and elevating lever 35 can only extend under the action of retaining component 36, and stablize the position after elongation.
After bending, the piston rod of lower pressure cylinder 23 is retracted, so that with cutter 222 away from sheet metal component；Clamping
Component clamps sheet metal component, so as to reduce rocking for the sheet metal component after machining.
This specific embodiment is only explanation of the invention, it is not limitation of the present invention, people in the art
Member as needed can make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
All protected in the right of invention be subject to Patent Law.
Claims (8)
1. a kind of sheet metal component bender, including body (1), vertical sliding are connected to cutter (222) and the drive on body (1)
The lower pressure cylinder (23) that cutter (222) rises or falls, the lower pressure cylinder (23) is fixedly connected with body (1), described
It is provided with body (1) and coordinates with cutter (222) so as to carry out the workbench (11) of bending to sheet metal component, it is characterized in that：It is described
The clamping device (3) abutted with sheet metal component so as to be clamped to sheet metal component, the clamping device are provided with body (1)
(3) it is arranged on the side of workbench (11).
2. sheet metal component bender according to claim 1, it is characterized in that：The clamping device (3) includes being fixed in body
(1) supporting rack (31) of bottom side and by closer or far from so as to the clamp assemblies that are clamped to sheet metal component, it is described
Clamp assemblies are arranged on supporting rack (31) both sides and are slid with supporting rack (31) and connected.
3. sheet metal component bender according to claim 2, it is characterized in that：Support frame as described above is provided with crossbeam on (31)
(32), the clamp assemblies include the slipping block (33) and the hinged folder in slipping block (33) top with crossbeam (32) sliding connection
Hold bar (34), the elevating lever (35) connected with supporting rod (34) sliding and the clamping section hinged with elevating lever (35) top
(37), the supporting rod (34) is provided with slipping block (33) hinged place abuts so as to limit stopping for supporting rod (34) reversion
Return component (38), the rotation direction of the supporting rod (34) is towards body (1)；Abutting is provided with the supporting rod (34)
So as to limit the retaining component (36) of elevating lever (35) retraction supporting rod (34).
4. sheet metal component bender according to claim 3, it is characterized in that：Institute clamping section (37) includes pushing up with elevating lever (35)
Hold hinged grip block (371), with the rotor (373) of grip block (371) rotation connection and being threadedly coupled with rotor (373)
Gripping block (372).
5. sheet metal component bender according to claim 3, it is characterized in that：The non-return component (38) includes and supporting rod
(34) affixed ratchet (381) and the pawl (382) for being rotatablely connected with slipping block (33) and coordinating with ratchet (381), pawl
(382) with being provided with torsional spring at slipping block (33) rotation connection.
6. sheet metal component bender according to claim 3, it is characterized in that：Some sawtooth (351) are connected with the lifting,
The lifting groove (352) for sawtooth (351) sliding is offered on the supporting rod (34), the retaining component (36) includes being fixed in
The retaining bar (361) and be arranged on retaining bar that limited block (364) and limited block (364) sliding on supporting rod (34) connect
(361) one end and the retreat stop block (362) engaged with sawtooth (351), are socketed with retaining spring (363), retaining on retaining bar (361)
One end of spring (363) is fixedly connected with retreat stop block (362), and the other end is fixedly connected with limited block (364).
7. sheet metal component bender according to claim 3, it is characterized in that：The side of support frame as described above (31) is rotatably connected to
Leading screw (39), opposite side are connected with guide post, and one end of the crossbeam (32) is threadedly coupled with leading screw (39), and the other end is slided with guide post
Move connection.
8. sheet metal component bender according to claim 3, it is characterized in that：Fixation is threaded with the slipping block (33)
Bolt (331), one end of the fixing bolt (331) are abutted with crossbeam (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711384147.5A CN107900153A (en) | 2017-12-20 | 2017-12-20 | Sheet metal component bender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711384147.5A CN107900153A (en) | 2017-12-20 | 2017-12-20 | Sheet metal component bender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107900153A true CN107900153A (en) | 2018-04-13 |
Family
ID=61870548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711384147.5A Withdrawn CN107900153A (en) | 2017-12-20 | 2017-12-20 | Sheet metal component bender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107900153A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109127796A (en) * | 2018-08-30 | 2019-01-04 | 安徽擎天伟嘉装备制造有限公司 | A kind of the numerical control molding machine and its forming method of outcase of refrigerator maze trough |
| CN109999423A (en) * | 2019-05-08 | 2019-07-12 | 河南师范大学新联学院 | A kind of children's Dancing Teaching ligament training aids |
| CN118080626A (en) * | 2024-04-19 | 2024-05-28 | 苏州丹卡精密机械有限公司 | Precise sheet metal part bending equipment |
-
2017
- 2017-12-20 CN CN201711384147.5A patent/CN107900153A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109127796A (en) * | 2018-08-30 | 2019-01-04 | 安徽擎天伟嘉装备制造有限公司 | A kind of the numerical control molding machine and its forming method of outcase of refrigerator maze trough |
| CN109999423A (en) * | 2019-05-08 | 2019-07-12 | 河南师范大学新联学院 | A kind of children's Dancing Teaching ligament training aids |
| CN118080626A (en) * | 2024-04-19 | 2024-05-28 | 苏州丹卡精密机械有限公司 | Precise sheet metal part bending equipment |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180413 |