CN109985971A - A kind of mold-change trolley of rolling mould - Google Patents
A kind of mold-change trolley of rolling mould Download PDFInfo
- Publication number
- CN109985971A CN109985971A CN201711476313.4A CN201711476313A CN109985971A CN 109985971 A CN109985971 A CN 109985971A CN 201711476313 A CN201711476313 A CN 201711476313A CN 109985971 A CN109985971 A CN 109985971A
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- CN
- China
- Prior art keywords
- vehicle frame
- rolling mould
- mold
- change trolley
- positioning mechanism
- 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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- 238000005096 rolling process Methods 0.000 title claims abstract description 112
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 13
- 230000004807 localization Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/14—Particular arrangements for handling and holding in place complete dies
- B21D37/147—Tool exchange carts
Abstract
The present invention discloses a kind of mold-change trolley of rolling mould, including vehicle frame, the vehicle frame sliding is set on ground or mounting surface, driving device, tourelle and positioning mechanism are provided on the vehicle frame, the driving device is located at the vehicle frame top left, the driving device can release formula with rolling mould and offset, the tourelle is located at vehicle frame top front and rear sides, the tourelle and the rolling mould, which roll, to be connected, the positioning mechanism is located at the bottom of frame side, the vehicle frame with the positioning mechanism is detachable is fixedly connected.A kind of mold-change trolley structure of rolling mould of the invention is simpler, easy-to-use and realize precise positioning.
Description
Technical field
The present invention relates to bound edge fields, more particularly to a kind of mold-change trolley of rolling mould.
Background technique
In car door rolling region, in order to realize the demand of multi-vehicle-type flexible production, need to the rolling moulds of different automobile types into
Row switching.Existing mold-change trolley needs when use that first rolling mould is put on mold-change trolley with fork truck, and mold-change trolley carries rolling
Side mode moves forward to rolling position along mold changing guide rail, then in rolling mould push-in rolling island, completes vehicle and imports.Vehicle is led
First rolling mould is shifted on mold-change trolley when out, then rolling mould is transferred out with fork truck.Although existing mold-change trolley can be full
The general use demand of foot, but come with some shortcomings in use, (one) needs fork truck to be used cooperatively, and handover operation is cumbersome；
(2) quality weight, volume are big, and artificial promotion is laborious time-consuming；(3) it needs to move on dedicated track, cuts moving direction
It can only be moved forward and backward；(5) there is no positioning mechanism, position inaccurate.
Summary of the invention
The present invention is completed to solve in the prior art insufficient, and the object of the present invention is to provide a kind of rolling moulds
Mold-change trolley, its advantage is that mold-change trolley structure it is simpler, it is easy-to-use and realize precise positioning.
A kind of mold-change trolley of rolling mould of the invention, including vehicle frame, the vehicle frame sliding are set to ground or installation
On face, driving device, tourelle and positioning mechanism are provided on the vehicle frame, the driving device is located at the vehicle frame top
The left side, the driving device can release formula with rolling mould and offset, and the tourelle is located at vehicle frame top front and rear sides, institute
It states tourelle and the rolling mould is rolled and connected, the positioning mechanism is located at the bottom of frame side, the vehicle frame and institute
State that positioning mechanism is detachable to be fixedly connected.
A kind of mold-change trolley of rolling mould of the invention may also is that
The positioning mechanism includes at least one set of precision positioning mechanism, and the precision positioning mechanism is located under the vehicle frame
Portion, the precision positioning mechanism include fastening screw and positioning pedestal, and the positioning pedestal is fixedly connected on the ground, the vehicle
Frame left lower offers dowel hole, and the fastening screw can release formula by the dowel hole and be plugged in the positioning base
In seat.
The positioning mechanism further includes at least two groups auxiliary positioning mechanism, and the auxiliary positioning mechanism is located under the vehicle frame
Side, auxiliary positioning mechanism described in two groups can release formula and offset on front side of the bottom of frame with bottom of frame rear side respectively.
The auxiliary positioning mechanism includes supplementary base and limited block, and the supplementary base is fixedly connected on the ground,
The limited block rotary type is connected in the supplementary base, and two pieces of limited blocks are respectively and before the bottom of frame
Formula can be released on rear side of side and the bottom of frame to offset.
The driving device includes screw rod, connecting bolt and two guiding axis, and the screw rod is located at two guiding axis
Between, the screw rod and the guiding axis are horizontally set at the vehicle frame top, and the connecting bolt lower part is sheathed on described
On screw rod and two guiding axis, the connecting bolt is located on the left of the screw rod, the connecting bolt lower thread connection
In on the screw rod, the connecting bolt lower slide is connected on the guiding axis, the connecting bolt top and the rolling
Side mode is detachable to be fixedly connected.
The screw rod left end is fixedly connected with hand disk.
The tourelle includes at least two directive wheels and at least two pulleys, and the directive wheel is symmetrically disposed on described
Vehicle frame front and rear sides end, the pulley roll and connect positioned at the outside of guiding axis described in two groups, the directive wheel and the rolling mould
It connects, the pulley and rolling mould sliding connect.
Handle has been respectively fixedly connected on the vehicle frame front and rear sides.
Guide rollers, the rotatable company in the left and right sides of the bottom of frame have been rotatably connected in the middle part of the bottom of frame
It is connected to traveling wheel, the Guide rollers sliding is connected in guide rail, and the traveling wheel includes two adjacent universal wheels.
The front-end and back-end of the guide rail are provided with opening.
A kind of mold-change trolley of rolling mould of the invention, including vehicle frame, the vehicle frame sliding are set to ground or installation
On face, driving device, tourelle and positioning mechanism are provided on the vehicle frame, the driving device is located at the vehicle frame top
The left side, the driving device can release formula with rolling mould and offset, and the tourelle is located at vehicle frame top front and rear sides, institute
It states tourelle and the rolling mould is rolled and connected, the positioning mechanism is located at the bottom of frame side, the vehicle frame and institute
State that positioning mechanism is detachable to be fixedly connected.In this way, driving device drives rolling mould along vehicle frame transverse movement, thus by rolling
During mould importing rolling is led.Tourelle and rolling mould, which roll, to be connected, and not only acts as rolling mould guiding role, and make rolling mould
Movement sliding is more laborsaving.Positioning mechanism plays positioning action, realizes the accurate positioning of mold-change trolley.When work, by rolling mould
It is artificial to push mold-change trolley to mold changing position when shifting mold-change trolley onto, it first passes through positioning mechanism and realizes the accurate fixed of mold-change trolley
Position.Driving device is driven to slide rolling mould to the right on mold-change trolley, driving device is unclamped in the sliding of rolling mould afterwards in place
Rolling mould is imported in rolling island.Each rolling mould is used with mold-change trolley, when exporting rolling mould can rolling mould and
Mold-change trolley pushes together, convenient for storage.By the way that positioning mechanism is arranged, mold-change trolley is able to achieve precise positioning.The mold-change trolley
Structure is simpler, easy-to-use, fully relies on and manually uses.The mold-change trolley of a kind of rolling mould of the invention, relative to existing skill
Had the advantage, that for art mold-change trolley structure it is simpler, it is easy-to-use and realize precise positioning.
Detailed description of the invention
A kind of mold-change trolley stereoscopic schematic diagram of rolling mould of Fig. 1 present invention.
A kind of main view of the mold-change trolley of rolling mould of Fig. 2 present invention.
A kind of top view of the mold-change trolley of rolling mould of Fig. 3 present invention.
Figure number explanation
1, vehicle frame；11, Guide rollers；12, traveling wheel；13, handle；2, driving device；21, screw rod；22, connecting bolt；
23, guiding axis；24, hand disk；3, tourelle；31, directive wheel；32, pulley；4, precision positioning mechanism；41, fastening screw；
42, positioning pedestal；5, auxiliary positioning mechanism；51, supplementary base；52, limited block；6, guide rail.
Specific embodiment
Fig. 1 to Fig. 3 with reference to the accompanying drawing is described in further detail a kind of mold-change trolley of rolling mould of the invention.
Before being above in Fig. 1, after here is, the left side is left side, and there is right side on the right side.
A kind of mold-change trolley of rolling mould of the invention please refers to the related each figure of Fig. 1 to Fig. 3, including vehicle frame 1, the vehicle
The sliding of frame 1 is set on ground or mounting surface, and driving device 2, tourelle 3 and positioning mechanism are provided on the vehicle frame 1,
The driving device 2 is located at 1 top left of vehicle frame, and the driving device 2 can release formula with rolling mould and offset, the rolling
Device 3 is located at the 1 top front and rear sides of vehicle frame, and the tourelle 3 is rolled with the rolling mould to be connected, the positioning mechanism
Positioned at 1 bottom side of vehicle frame, the vehicle frame 1 with the positioning mechanism is detachable is fixedly connected.In this way, driving device 2
Drive rolling mould along 1 transverse movement of vehicle frame, so that rolling mould importing rolling be led.Tourelle 3 and rolling mould, which roll, to be connected
It connects, not only acts as rolling mould guiding role, and keep the movement sliding of rolling mould more laborsaving.Positioning mechanism plays positioning and makees
With realizing the accurate positioning of mold-change trolley.It is artificial to push mold-change trolley to changing when shifting rolling mould onto mold-change trolley when work
Mould position first passes through the accurate positioning that positioning mechanism realizes mold-change trolley.Driving device 2 is driven to make rolling mould on mold-change trolley
It slides to the right, driving device 2 is unclamped in the sliding of rolling mould afterwards in place, rolling mould can be imported in rolling island.Each rolling mould is matched
One mold-change trolley uses, and rolling mould and mold-change trolley can be pushed together when exporting rolling mould, convenient for storage.Pass through setting
Positioning mechanism, mold-change trolley are able to achieve precise positioning.The mold-change trolley structure is simpler, easy-to-use, fully relies on and manually uses.
A kind of mold-change trolley of rolling mould of the invention, has the advantage, that mold-change trolley structure is simpler in terms of existing technologies
Single, easy-to-use and realization precise positioning.
A kind of mold-change trolley of rolling mould of the invention please refers to the related each figure of Fig. 1 to Fig. 3, in front technical solution
On the basis of it may also is that the positioning mechanism includes at least one set of precision positioning mechanism 4, the precision positioning mechanism 4 is located at institute
1 lower part of vehicle frame is stated, the precision positioning mechanism 4 includes fastening screw 41 and positioning pedestal 42, and the positioning pedestal 42 is fixed to be connected
It connects on the ground, 1 left lower of vehicle frame offers dowel hole, and the fastening screw 41 can be solved by the dowel hole
Except formula is plugged in the positioning pedestal 42.In this way, precision positioning mechanism 4 can be accurately positioned mold-change trolley.Positioning
Pedestal 42 is fixedly connected on the ground, and fastening screw 41 is inserted into positioning pedestal 42 by dowel hole, not only realizes mold changing
The accurate positioning of trolley, and it is convenient and efficient, improve the efficiency of mold-change trolley positioning.Even more preferably, precision positioning mechanism 4
It is one group, precision positioning mechanism 4 is located at vehicle frame left back, that is, facilitates operation, simplicity and the accuracy for improving positioning.Into one
Walk preferred technical solution are as follows: the positioning mechanism further includes at least two groups auxiliary positioning mechanism 5, the auxiliary positioning mechanism 5
Positioned at 1 lower section of the vehicle frame, auxiliary positioning mechanism 5 described in two groups respectively with 1 bottom of 1 lower front of vehicle frame and the vehicle frame
Rear side can release formula and offset.In this way, auxiliary positioning mechanism 5 can carry out coarse positioning to mold-change trolley, so that being accurately positioned more
It is accurate and convenient and efficient.Even more preferably, auxiliary positioning mechanism 5 is two groups, and auxiliary positioning mechanism 5 is located at front and back side on the right side of vehicle frame
Lower part.Then the restriction that two groups of auxiliary positioning mechanisms 5 carry out mold-change trolley is determined by one group of precision positioning mechanism 4
Position.Technical solution still more preferably are as follows: the auxiliary positioning mechanism 5 includes supplementary base 51 and limited block 52, described
Supplementary base 51 is fixedly connected on the ground, and 52 rotary type of limited block is connected in the supplementary base 51, and two pieces
The limited block 52 can release formula with 1 lower front of vehicle frame and 1 bottom rear of the vehicle frame respectively and offset.In this way, auxiliary
It helping the installation of pedestal 51 on the ground, is distributed in mold-change trolley right lower part, the rotation of limited block 52 is connected in supplementary base 51,
By opening or closing limited block 52 manually, when closing two pieces of limited blocks 52 respectively with 1 bottom of 1 lower front of vehicle frame and vehicle frame
It offsets on rear side of portion, to carry out coarse positioning to mold-change trolley.Even more preferably, 1 lower front of vehicle frame and bottom rear are respectively provided with
There is limited block, by the way that limited block is arranged, when limited block 52 is abutted against with limited block, its limited block 52 can be limited to vehicle
The rotation of 1 side of frame is fallen.
A kind of mold-change trolley of rolling mould of the invention please refers to the related each figure of Fig. 1 to Fig. 3, in front technical solution
On the basis of it may also is that the driving device 2 include screw rod 21, connecting bolt 22 and two guiding axis 23, the screw rod 21
Between two guiding axis 23, the screw rod 21 and the guiding axis 23 are horizontally set at 1 top of vehicle frame, described
22 lower part of connecting bolt is sheathed on the screw rod 21 and two guiding axis 23, and the connecting bolt 22 is located at the screw rod
21 left sides, 22 lower thread of connecting bolt are connected on the screw rod 21, and 22 lower slide of connecting bolt is connected to
On the guiding axis 23,22 top of connecting bolt with the rolling mould is detachable is fixedly connected.In this way, screw rod 21 and company
The connection of 22 lower thread of pin is patched, by driving screw rod 21 that connecting bolt 22 can be made integrally to move left and right, so that rolling
Cross cutting is more labor-saving during changing；22 top of connecting bolt for connecting rolling mould, and with 21 Matching installation of screw rod, screw rod 21 rotates
When, connecting bolt 22 can move left and right, and then drive the movement of rolling mould；Guiding axis 23 has two, with connecting bolt 22
With installation, connecting bolt 22 is made to move along a straight line.Screw rod 21 is driven, rolling mould slides to the right on connecting bolt 22, rolling mould
22 top of connecting bolt is unclamped in sliding afterwards in place, rolling mould can be imported during rolling lead.Connecting bolt 22 is connected including lower part
Bolt and two top connecting bolts, two top connecting bolts are detachable respectively to be fixedly connected on the connecting bolt of lower part,
Lower part connecting bolt is connect with screw rod 21 and guiding axis 23, and top connecting bolt is connect with rolling mould.Even more preferably, lower part connects
It patches and is opened up on pin there are two connecting hole, two top connecting bolt one end is inserted into connecting hole respectively, and two top connections are inserted
The pin other end is inserted respectively on rolling mould.After rolling mould slides in place, two top connecting bolts are taken out, can be released
Connection relationship between top connecting bolt and rolling mould.Further preferred technical solution are as follows: 21 left end of screw rod
It is fixedly connected with hand disk 24.In this way, hand disk 24 is fixed on screw rod 21, manual drive screw rod 21 is used for by hand disk 24
Rotation, thus more labor-saving during changing rolling cross cutting.Further preferred embodiment are as follows: the tourelle 3 includes at least
Two directive wheels 31 and at least two pulleys 32, the directive wheel 31 are symmetrically disposed on the 1 front and rear sides end of vehicle frame, the cunning
Wheel 32 be located at two groups described in guiding axis 23 outside, the directive wheel 31 rolls with the rolling mould and connects, the pulley 32 with
The rolling mould sliding connection.In this way, directive wheel 31 guarantees rolling mould for the side guide to rolling mould on mold-change trolley
Move along a straight line；Pulley 32 is used to support rolling mould, and rolls in rolling mould motion process, reduces frictional resistance.Rolling
Mould and directive wheel 31, which roll, to be connected, so that rolling mould is moved along 31 rectilinear direction of directive wheel, pulley 32 and the sliding of rolling mould connect
It connects, so that rolling mould reduces frictional resistance, so that the movement of rolling mould is more smooth.
A kind of mold-change trolley of rolling mould of the invention please refers to the related each figure of Fig. 1 to Fig. 3, in front technical solution
On the basis of it may also is that 1 front and rear sides of vehicle frame on be respectively fixedly connected with handle 13.In this way, handle 13 is mounted on mold changing
Trolley front and rear sides, convenient artificial promotion mold-change trolley, hand-held height meet human engineering.
A kind of mold-change trolley of rolling mould of the invention please refers to the related each figure of Fig. 1 to Fig. 3, in front technical solution
On the basis of it may also is that 1 bottom of vehicle frame in the middle part of be rotatably connected Guide rollers 11, the left and right of 1 bottom of vehicle frame
Two sides have been rotatably connected traveling wheel 12, and the sliding of Guide rollers 11 is connected in guide rail 6, and the traveling wheel 12 includes two
Adjacent universal wheel.In this way, Guide rollers 11 match with guide rail 6, the sliding of Guide rollers 11 is connected on guide rail 6, makes to change the mold
Trolley can be moved along guide rail 6.Traveling wheel 12 is located at the left and right sides of 1 bottom of vehicle frame, altogether there are four, for mold-change trolley on ground
The movement in face, a mold-change trolley matches a rolling mould, convenient for storage.Two universal wheels, mold-change trolley are set in traveling wheel
When releasing 6 outside of guide rail, it can move in any direction.Even more preferably, bracket, Guide rollers 11 are provided on bottom of frame 1
It is bolted to connection on bracket.Further preferred embodiment are as follows: the front-end and back-end of the guide rail 6 are provided with out
Mouthful.In this way, 6 front-end and back-end of guide rail are provided with opening, so that Guide rollers 11 are easily accessible guide rail 6, leave guide rail 6 more
It is convenient and quick, to reduce the time that mold-change trolley enters guide rail 6.The sliding of Guide rollers 11 is connected to 6 middle part of guide rail, makes
It obtains mold-change trolley and smoothly reaches mold changing position, first close two limited blocks 52 and carry out coarse positioning, then plug fastening screw 41
It realizes and is accurately positioned.The hand cake of manual rotation makes rolling mould forward slip on mold-change trolley, rolling to drive screw rod 21
Connecting bolt 22 is unclamped in mould sliding afterwards in place, rolling mould can be imported in rolling island.By by left rail front end, rear end and the right side
Guide rail front end, rear end can make 6 idler wheel of guide rail on mold-change trolley enter guide rail 6, leave guide rail 6 more conveniently and quickly.
It is above-mentioned that only several specific embodiments in the present invention are illustrated, but can not be as protection model of the invention
Enclose, it is all according to the present invention in design spirit made by equivalent change or modification or equal proportion zoom in or out, should all
Think to fall into protection scope of the present invention.
Claims (10)
1. a kind of mold-change trolley of rolling mould, it is characterised in that: including vehicle frame (1), the vehicle frame (1) sliding be set to ground or
On person's mounting surface, driving device (2), tourelle (3) and positioning mechanism, the driving device are provided on the vehicle frame (1)
(2) it is located at the vehicle frame (1) top left, the driving device (2) can release formula with rolling mould and offset, the tourelle
(3) it is located at the vehicle frame (1) top front and rear sides, the tourelle (3) and the rolling mould, which roll, to be connected, the localization machine
Structure is located at the vehicle frame (1) bottom side, the vehicle frame (1) with the positioning mechanism is detachable is fixedly connected.
2. a kind of mold-change trolley of rolling mould according to claim 1, it is characterised in that: the positioning mechanism includes at least
One group of precision positioning mechanism (4), the precision positioning mechanism (4) are located at the vehicle frame (1) lower part, the precision positioning mechanism
It (4) include fastening screw (41) and positioning pedestal (42), the positioning pedestal (42) is fixedly connected on the ground, the vehicle frame
(1) left lower offers dowel hole, the fastening screw (41) by the dowel hole can release formula be plugged in it is described
In positioning pedestal (42).
3. a kind of mold-change trolley of rolling mould according to claim 2, it is characterised in that: the positioning mechanism further include to
Few two groups of auxiliary positioning mechanisms (5), the auxiliary positioning mechanism (5) are located at below the vehicle frame (1), auxiliary positioning described in two groups
Mechanism (5) can release formula and offset with the vehicle frame (1) lower front and the vehicle frame (1) bottom rear respectively.
4. a kind of mold-change trolley of rolling mould according to claim 3, it is characterised in that: the auxiliary positioning mechanism (5)
Including supplementary base (51) and limited block (52), the supplementary base (51) is fixedly connected on the ground, the limited block
(52) rotary type is connected on the supplementary base (51), two pieces of limited blocks (52) respectively with the vehicle frame (1) bottom
It can release formula with the vehicle frame (1) bottom rear on front side of portion and offset.
5. a kind of mold-change trolley of rolling mould described in -4 any one claims according to claim 1, it is characterised in that: institute
Stating driving device (2) includes screw rod (21), connecting bolt (22) He Lianggen guiding axis (23), and the screw rod (21) is located at two institutes
It states between guiding axis (23), the screw rod (21) and the guiding axis (23) are horizontally set at the vehicle frame (1) top, described
Connecting bolt (22) lower part is sheathed on the screw rod (21) and two guiding axis (23), and the connecting bolt (22) is located at
On the left of the screw rod (21), connecting bolt (22) lower thread is connected on the screw rod (21), under the connecting bolt
Portion is slidably connected on the guiding axis (23), and connecting bolt (22) top and the detachable fixation of the rolling mould are even
It connects.
6. a kind of mold-change trolley of rolling mould according to claim 5, it is characterised in that: screw rod (21) left end
It is fixedly connected with hand disk (24).
7. a kind of mold-change trolley of rolling mould according to claim 6, it is characterised in that: the tourelle (3) includes
At least two directive wheels (31) and at least two pulleys (32), the directive wheel (31) are symmetrically disposed on before and after the vehicle frame (1)
Two side ends, the pulley (32) are rolled positioned at the outside of guiding axis (23) described in two groups, the directive wheel (31) and the rolling mould
Dynamic connection, the pulley (32) and rolling mould sliding connect.
8. a kind of mold-change trolley of rolling mould described in -4 any one claims according to claim 1, it is characterised in that: institute
It states and has been respectively fixedly connected with handle (13) on vehicle frame (1) front and rear sides.
9. a kind of mold-change trolley of rolling mould described in -4 any one claims according to claim 1, it is characterised in that: institute
It states and has been rotatably connected Guide rollers (11) in the middle part of vehicle frame (1) bottom, the rotatable company in the left and right sides of vehicle frame (1) bottom
It is connected to traveling wheel (12), Guide rollers (11) sliding is connected in guide rail (6), and the traveling wheel (12) includes two adjacent
Universal wheel.
10. a kind of mold-change trolley of rolling mould according to claim 9, it is characterised in that: the front end of the guide rail (6) and
Rear end is provided with opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476313.4A CN109985971A (en) | 2017-12-29 | 2017-12-29 | A kind of mold-change trolley of rolling mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711476313.4A CN109985971A (en) | 2017-12-29 | 2017-12-29 | A kind of mold-change trolley of rolling mould |
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| CN109985971A true CN109985971A (en) | 2019-07-09 |
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| CN201711476313.4A Pending CN109985971A (en) | 2017-12-29 | 2017-12-29 | A kind of mold-change trolley of rolling mould |
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| CN107088984A (en) * | 2017-05-04 | 2017-08-25 | 合肥华凌股份有限公司 | The mold changing systems and its die exchange of refrigerator box body foam device |
| CN207857670U (en) * | 2017-12-29 | 2018-09-14 | 上汽通用五菱汽车股份有限公司 | A kind of mold-change trolley of rolling mould |
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