CN209304096U - A kind of side opening loaded contact rollers formula centre frame - Google Patents
A kind of side opening loaded contact rollers formula centre frame Download PDFInfo
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- CN209304096U CN209304096U CN201821443154.8U CN201821443154U CN209304096U CN 209304096 U CN209304096 U CN 209304096U CN 201821443154 U CN201821443154 U CN 201821443154U CN 209304096 U CN209304096 U CN 209304096U
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- wheel
- pedestal
- support bar
- screw
- side opening
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- 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 abstract description 73
- 230000003028 elevating effect Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 210000004907 gland Anatomy 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 238000003754 machining Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 210000003371 toe Anatomy 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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Abstract
The utility model discloses a kind of side opening loaded contact rollers formula centre frames, including pedestal, the top of the pedestal is equipped with adjustment pedestal, the adjustment pedestal is bolted on pedestal, the centre of the adjustment pedestal offers groove body, the adjustment pedestal includes foreground and backstage, the height on the backstage is higher than the height on foreground, two-wheel supporting block is fixedly installed on the foreground, the top on the backstage is fixedly installed with first support bar and second support bar, the bottom of the first support bar and second support bar is bolted on backstage, the top of the first support bar and second support bar is equipped with top supporting block.Compared with the existing technology, the center frame structure is novel, improve processing efficiency, large carrying capacity, be convenient for operation, save cost, performance is stablized.
Description
Technical field
The utility model relates to a kind of side opening loaded contact rollers formula centre frames.
Background technique
Although centre frame is the attachment of vehicle bed products, but very crucial work is played for longaxones parts machining accuracy
With.The service condition of centre frame directly affects the efficiency of part processing, the various aspects such as precision.Conventional center frame is enclosed center
Workpiece centre is held by idler wheel top and adjusted to frame generally, positions workpiece and keeps rotating center concentric with main shaft, it is ensured that work
Part stablizes rotation, improves Workpiece Machining Accuracy.
And side opening type centre frame is generally usually used in three guide rails or four guide rail heavy-duty engine lathes.Because its side is open, work is processed
Cutter can realize the overall length time processing of workpiece with turning by Support Position during part.Side opening type centre frame is more common
Closed center rest practicability is more preferable, but because a special side opening type designs, therefore centre frame generally can only be in bottom, trailing flank
And a set of roller supporting mechanism is separately designed above.Idler wheel is mounted on the sleeve of a slip, after being mounted on sleeve
Screw rod and screw mechanism band moving sleeve and roller motion.Idler wheel contacts with workpiece and then realizes the top to different-diameter workpiece
It holds.2 times of its middle sleeve stroke be exactly in centre frame diametrical direction support range (such as: centre frame cover barrel stroke 100mm,
When minimum support diameter is φ 100mm, the support range of centre frame is 100~φ of φ 300).But side opening type arrangement
Centre frame bottom roller supporting mechanism is limited by lathe center height, cannot achieve big set barrel stroke, and heavy duty machine tools revolution is straight
Diameter is big, and the workpiece kind for needing to process is more, it is therefore necessary to which the centre frame for being equipped with more set different sizes is just able to satisfy daily workpiece
Support demand.
But in the prior art, it is big that difficulty is replaced in large-scale central frame use process, is influenced processing efficiency, is greatly increased
Input cost when enterprise purchase of equipment；Different centre frames cannot achieve the precision one of idler wheel during equipment adjustment
It causes, is unfavorable for machine tooling after replacement in the process to the control of workpiece accuracy；For structural point, traditional side opening type center
The structure design of frame bottom list idler wheel is also difficult to meet the carrying demand of heavy workpiece.
Therefore, how to provide a kind of structure novel, improve processing efficiency, large carrying capacity, convenient for operation, save cost,
The technical issues of stable side opening loaded contact rollers formula centre frame of performance is the utility model knack solution.
Utility model content
In view of the above drawbacks of the prior art and problem, there is provided a kind of structure novels, raising for the utility model aim
Processing efficiency, large carrying capacity, convenient for operating, save the stable side opening loaded contact rollers formula centre frame of cost, performance.
In order to achieve the above object, the utility model provides the following technical solutions
A kind of side opening loaded contact rollers formula centre frame, including pedestal, the top of the pedestal is equipped with adjustment pedestal, described
Adjustment pedestal is bolted on pedestal, and the centre of the adjustment pedestal offers groove body, before the adjustment pedestal includes
Platform and backstage, the height on the backstage are higher than the height on foreground, are fixedly installed with two-wheel supporting block, the backstage on the foreground
Top be fixedly installed with first support bar and second support bar, the bottom of the first support bar and second support bar passes through
Bolt is fixed on backstage, and the top of the first support bar and second support bar is equipped with top supporting block, the top braces
Block is fixed by locking shaft, and with nut check, is additionally provided with multiple supports between the adjustment pedestal and two-wheel supporting block
Range adjustment block, T type block and two-wheel pedestal are additionally provided with elevating mechanism between the two-wheel pedestal and two-wheel supporting block, described more
It is fixed together between a support range adjustment block, T-block and two-wheel pedestal by fastening screw, is set in the two-wheel supporting block
There are the first idler wheel of installation and the second idler wheel, setting before and after first idler wheel and the second idler wheel, and is fixed by two-wheel bracket, institute
It states two-wheel bracket to be mounted in the guide-track groove of two-wheel pedestal, copper bar is installed in the guide-track groove, the one of the top supporting block
End is fixed on the top of first support bar and second support bar, and the other end lower part of the top supporting block is equipped with the first idler wheel,
The middle part of the support rod is equipped with the second idler wheel, and the side of the two-wheel pedestal is equipped with scale, and the scale is solid by screw
It is scheduled on two-wheel pedestal, the top of the two-wheel bracket is additionally provided with braces, and one end of the braces is fixedly mounted on two-wheel bracket
On, the other end of the braces is equipped with pointer.
Further, the elevating mechanism includes screw rod and screw, and the bottom of the screw rod is connect with two-wheel pedestal, the silk
Bar top links together with two-wheel bracket, and the screw is connected by screw to worm gear, the worm gear and screw entirely through
Bearing and gland are installed on two-wheel pedestal, and the worm gear is connect with worm screw, and the worm screw is locked by latch segment.
Further, first idler wheel is connected in top supporting block by first connecting rod, and second idler wheel passes through
Second connecting rod is connected on support rod.
Further, the first connecting rod and the second connecting rod are scalable connecting rod.
Further, the first connecting rod and the second connecting rod are additionally provided with retaining mechanism.
Further, the front end of the pedestal is additionally provided with round tractor hole.
Further, the end of the worm screw is square toes shape.
The utility model in terms of existing technologies, due to including pedestal, pacify the utility model by the top of the pedestal
Equipped with adjustment pedestal, the centre of the adjustment pedestal offers groove body, and the adjustment pedestal includes foreground and backstage, the backstage
Height be higher than the height on foreground, two-wheel supporting block is fixedly installed on the foreground, centre frame is using side opening type layout, bottom
Portion, side and top are respectively designed with back-up roller wheel.Side and top rollers use single-point support wheel, and bottom is supported using two point
Wheel improves production efficiency to reduce labor intensity of workers；It ensure that the stability of multi items Workpiece Machining Accuracy；It drops simultaneously
Low business equipment input cost.In addition in terms of innovated, to the bearing capacity and precision of centre frame
Etc. promoted, according to it is obtained above by above-mentioned requirements manufacture complete centre frame, idler wheel outer circle bounce is less than
0.01mm, workpieces processing supporting & stablizing, workpiece and the idler wheel side bus depth of parallelism are high, and support workpiece surface impression is uniform and smooth, phase
It improves a lot in precision and bearing capacity for conventional center frame.It is prior that there is provided a kind of large-scale lathes to pass through
The method that a set of centre frame realizes big support range, solves heavy duty machine tools and must be equipped with the centre frames that cover more and be just able to satisfy using need to
The case where asking.Processing efficiency is improved, labor intensity is reduced, improves centre frame precision stability, save user cost.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model side opening loaded contact rollers formula centre frame.
Fig. 2 is the utility model side opening loaded contact rollers formula centre frame working condition front view.
Fig. 3 is the office that the utility model side opening loaded contact rollers formula centre frame two-wheel supporting module is mounted on base module
Portion's view isometric view.
Fig. 4 is the cross-sectional view of the utility model side opening loaded contact rollers formula centre frame two-wheel supporting block in.
Fig. 5 is the utility model side opening loaded contact rollers formula centre frame two-wheel support block structure figure.
Fig. 6 is the rotational structure figure of two-wheel supporting block top braces module.
Fig. 7 is the positioning of two-wheel supporting block top braces and locking linkage structural schematic diagram.
Specific embodiment
For the objectives, technical solutions, and advantages of the embodiments of the present invention are more clearly understood, below will with attached drawing and
The spirit for clearly illustrating the utility model disclosure is described in detail, and any skilled artisan is understanding this reality
After the embodiment of new content, when the technology that can be taught by the content of the present invention, it is changed and modifies, do not take off
Spirit and scope from the content of the present invention.
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, but is not intended as practical to this
Novel restriction.In addition, in the drawings and embodiments the use of element/component of same or like label is for representing
Same or like part.
About " first " used herein, " second " ... etc., not especially censure the meaning of order or cis-position,
It is non-to limit the utility model, only for distinguish with same technique term description element or operation.
About direction term used herein, such as: upper and lower, left and right, front or rear etc. are only the sides with reference to attached drawing
To.Therefore, the direction term used is intended to be illustrative and not intended to limit this creation.
It is open term, i.e., about "comprising" used herein, " comprising ", " having ", " containing " etc.
Mean including but not limited to.
About it is used herein " and/or ", including any of the things or all combination.
About term used herein " substantially ", " about " etc., to modify it is any can be with the quantity or mistake of microvariations
Difference, but this slight variations or error can't change its essence.In general, microvariations that such term is modified or error
Range in some embodiments can be 20%, in some embodiments can be 10%, can be in some embodiments 5% or
Other numerical value.It will be understood by those skilled in the art that the aforementioned numerical value referred to can be adjusted according to actual demand, not as
Limit.
It is certain to describe the word of the application by lower or discuss in the other places of this specification, to provide art technology
Personnel's guidance additional in relation to the description of the present application.
As Figure 1-Figure 4, a kind of side opening loaded contact rollers formula centre frame disclosed by the utility model, including 1 He of lathe bed
Pedestal 2, the pedestal are mounted on lathe bed 1, and the top of the pedestal 2 is equipped with adjustment pedestal 3, and the adjustment pedestal 3 passes through
Bolt is fixed on the base 2, and the centre of the adjustment pedestal 3 offers groove body, and the adjustment pedestal includes foreground and backstage, institute
The height for stating backstage is higher than the height on foreground, is fixedly installed with two-wheel supporting block 4 on the foreground, the top on the backstage is fixed
First support bar 5 and second support bar be installed, the bottom of the first support bar 5 and second support bar is bolted
On backstage, the top of the first support bar and second support bar is equipped with top supporting block 6, and the top supporting block 6 passes through
It is fixed to lock shaft 30, and with nut check, is additionally provided with multiple support ranges between the adjustment pedestal 3 and two-wheel supporting block 4
Adjustment block 8, T-block 8 and two-wheel pedestal 10 are additionally provided with elevating mechanism between the two-wheel pedestal 10 and two-wheel supporting block 4, described
It is fixed together between multiple support range adjustment blocks, T-block and two-wheel pedestal by fastening screw, the two-wheel supporting block 4
It is equipped with the first idler wheel of installation and the second idler wheel, setting before and after first idler wheel 25 and the second idler wheel, and passes through two-wheel bracket
17 is fixed, and the two-wheel 17 is mounted in the guide-track groove of two-wheel pedestal 10, and copper bar 11, the top are equipped in the guide-track groove
One end of supporting block 6 is fixed on the top of first support bar and second support bar, and the other end lower part of the top supporting block is set
There is the first idler wheel, the middle part of the support rod is equipped with the second idler wheel, and the side of the two-wheel pedestal is equipped with scale 14, described
Scale 14 is fixed by screws on two-wheel pedestal, and the top of the two-wheel bracket is additionally provided with braces, and one end of the braces is solid
On two-wheel bracket, the other end of the braces is equipped with pointer 13 for Dingan County.
Through the above it is not difficult to find that due to including that the top of pedestal 2, the pedestal 2 is equipped with adjustment pedestal 3, institute
The centre for stating adjustment pedestal 3 offers groove body, and the adjustment pedestal 3 includes foreground and backstage, before the height on the backstage is higher than
The height of platform is fixedly installed with two-wheel supporting block 4 on the foreground, and centre frame is laid out using side opening type, bottom, side and top
Portion is respectively designed with back-up roller wheel.Side and top rollers use single-point support wheel, and bottom uses two point support wheel, to reduce
Labor intensity of workers improves production efficiency；It ensure that the stability of multi items Workpiece Machining Accuracy；Business equipment throwing is reduced simultaneously
Enter cost.In addition in terms of innovated, bearing capacity and precision to centre frame etc. carry out
It is promoted, according to the centre frame obtained above completed by above-mentioned requirements manufacture, the bounce of idler wheel outer circle is less than 0.01mm, workpieces processing
Supporting & stablizing, workpiece and the idler wheel side bus depth of parallelism are high, and support workpiece surface impression is uniform and smooth, exist relative to conventional center frame
It improves a lot in precision and bearing capacity.It is prior that there is provided a kind of large-scale lathes to pass through the realization of a set of centre frame greatly
The method for supporting range, solving heavy duty machine tools must be equipped with the case where more set centre frames can just satisfy the use demand.It improves
Processing efficiency reduces labor intensity, improves centre frame precision stability, save user cost.
Specifically, the diameter of work supported as needed calculates the specification and quantity of the support range adjustment block 8 needed.Really
After fixed, if you need to change the quantity of support range adjustment block 8, then the fastening screw 37 in Fig. 1 extracted, unclamp the spiral shell in shaft 30
Top supporting block 6 is rotated by 90 ° by mother, gets out of the way centre frame headspace.Utilize the hanging ring being mounted on two-wheel bracket 17 in Fig. 3
18 sling two-wheel pedestal 10 and idler wheel external member mounted thereto together.Later manually by the support range adjustment block 8 of needs
Install or detach (tandem placed on centre frame of support range adjustment block 8 be it is fixed, can increase and decrease, but sequence is not
It can be reverse).Fixed locking between adjustment block is realized by the T-block 9 in Fig. 2.After adjustment block is provided with, again will
Two-wheel pedestal 10 falls in uppermost support range adjustment block 8 and (is not locked first).After two-wheel bracket is in place, start presetting
Bearing height.First determine support diameter of work, centre frame base module height, support range adjustment block overall thickness.According to these
Condition determines the height value that two-wheel supporting mechanism needs to be transferred to, and carries out just positioning to two-wheel supporting mechanism.It is rotated later with tool
Worm screw 15 in Fig. 4, the handle position of worm screw 15 are shown in that Fig. 2 drives worm gear 20 in Fig. 4 to rotate by the rotation of worm screw 15, worm gear 20
It is connected by screw to screw 21, so that screw 21 be driven to rotate.Worm gear 20 and screw 21 are entirely through bearing 22 and gland 23
It is installed on two-wheel pedestal 10.Bearing 22 is supported as the rotation of worm gear, while being also subjected to workpiece gravity.Screw 21 and screw rod
24 cooperations, because screw rod 24 and two-wheel bracket 17 link together, and two-wheel bracket 17 is installed in the guide-track groove of two-wheel pedestal 10
It is interior, copper bar 11 is installed inside guide-track groove and is oriented to (see Fig. 3).Therefore when screw 21 rotates, two-wheel pedestal 10 is by guide-track groove
Copper bar 11 limit, oscilaltion campaign can only be done.To which the height value rotary worm 15 according to aforementioned determination is to realize two-wheel
Supporting mechanism reaches scheduled height value.
In addition, it is noted that as shown in figure 4, the elevating mechanism includes screw rod 24 and screw 21, the screw rod 24
Bottom connect with two-wheel pedestal 4,24 top of screw rod links together with two-wheel bracket 17, the screw 21 and worm gear 20
It is connected by screw to, the worm gear 20 and screw 21 are installed on two-wheel pedestal entirely through bearing 22 and gland, the snail
Wheel 20 is connect with worm screw 15, and the worm screw 15 is locked by latch segment 16, and the end of the worm screw 15 is square toes shape, therefore, is led to
The square toes for crossing shake tool screw rod end can drive worm couple to rotate, and then drive screw rotation, because of 17 quilt of two-wheel bracket
It is limited in guide-track groove, therefore after screw 21 rotates, screw rod 24 can only move up and down, and then drive two-wheel bracket liter
Drop.To realize the lifting supporting movement of bottom two-wheel.
It is specific it should be noted that first idler wheel is connected in top supporting block 6 by first connecting rod, described the
Second wheel is connected on support rod by the second connecting rod, and the first connecting rod and the second connecting rod are scalable connecting rod,
The first connecting rod and the second connecting rod are additionally provided with retaining mechanism.
In addition, it is noted that the front end of the pedestal is additionally provided with round tractor hole 7, since centre frame is unpowered to be come
Source is unable to autonomous, therefore has tractor hole 7 in the frontal design of centre frame pedestal, can pass through other moving parts of lathe
It is connect by tractor hole with centre frame.This lathe we by having installed a set of bolt device additional on machine tool saddle, by insert
Pin is connect with the tractor hole of centre frame drives centre frame mobile.
In addition, it is necessary to explanation, the idler wheel built-in bearing uses high-precision matched cone roller bearing, further
Improve idler wheel running accuracy.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described with power
Subject to the protection scope that benefit requires.
Claims (7)
1. a kind of side opening loaded contact rollers formula centre frame, which is characterized in that including pedestal, the top of the pedestal is equipped with adjustment
Pedestal, the adjustment pedestal are bolted on pedestal, and the centre of the adjustment pedestal offers groove body, the adjustment bottom
Seat includes foreground and backstage, and the height on the backstage is higher than the height on foreground, is fixedly installed with two-wheel supporting block on the foreground,
The top on the backstage is fixedly installed with first support bar and second support bar, the bottom of the first support bar and second support bar
Portion is bolted on backstage, and the top of the first support bar and second support bar is equipped with top supporting block, described
Top supporting block is fixed by locking shaft, and with nut check, is additionally provided between the adjustment pedestal and two-wheel supporting block more
A support range adjustment block, T-block and two-wheel pedestal, are additionally provided with elevating mechanism between the two-wheel pedestal and two-wheel supporting block,
It is fixed together between the multiple support range adjustment block, T-block and two-wheel pedestal by fastening screw, the two-wheel support
First idler wheel and the second idler wheel, setting before and after first idler wheel and the second idler wheel are installed on block, and fixed by two-wheel bracket,
The two-wheel bracket is mounted in the guide-track groove of two-wheel pedestal, and copper bar is equipped in the guide-track groove, the top supporting block
One end is fixed on the top of first support bar and second support bar, and the other end lower part of the top supporting block is equipped with the first rolling
Wheel, the middle part of the support rod are equipped with the second idler wheel, and the side of the two-wheel pedestal is equipped with scale, and the scale passes through screw
It is fixed on two-wheel pedestal, the top of the two-wheel bracket is additionally provided with braces, and one end of the braces is fixedly mounted on two-wheel support
On frame, the other end of the braces is equipped with pointer.
2. side opening loaded contact rollers formula centre frame according to claim 1, it is characterised in that: the elevating mechanism includes silk
The bottom of bar and screw, the screw rod is connect with two-wheel pedestal, and the screw rod top links together with two-wheel bracket, the silk
Mother is connected by screw to worm gear, and the worm gear and screw are installed on two-wheel pedestal entirely through bearing and gland, described
Worm gear is connect with worm screw, and the worm screw is locked by latch segment.
3. side opening loaded contact rollers formula centre frame according to claim 1, it is characterised in that: first idler wheel passes through the
One connecting rod is connected in top supporting block, and second idler wheel is connected on support rod by the second connecting rod.
4. side opening loaded contact rollers formula centre frame according to claim 3, it is characterised in that: the first connecting rod and
Two connecting rods are scalable connecting rod.
5. side opening loaded contact rollers formula centre frame according to claim 4, it is characterised in that: the first connecting rod and
Two connecting rods are additionally provided with retaining mechanism.
6. side opening loaded contact rollers formula centre frame according to claim 1, it is characterised in that: the front end of the pedestal is also set
There is round tractor hole.
7. side opening loaded contact rollers formula centre frame according to claim 2, it is characterised in that: the end of the worm screw is side
Capitiform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821443154.8U CN209304096U (en) | 2018-09-05 | 2018-09-05 | A kind of side opening loaded contact rollers formula centre frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821443154.8U CN209304096U (en) | 2018-09-05 | 2018-09-05 | A kind of side opening loaded contact rollers formula centre frame |
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| Publication Number | Publication Date |
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| CN209304096U true CN209304096U (en) | 2019-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821443154.8U Active CN209304096U (en) | 2018-09-05 | 2018-09-05 | A kind of side opening loaded contact rollers formula centre frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014990A (en) * | 2018-09-05 | 2018-12-18 | 希斯机床（沈阳）有限责任公司 | A kind of side opening loaded contact rollers formula centre frame and the method for expanding single set center rest support range |
-
2018
- 2018-09-05 CN CN201821443154.8U patent/CN209304096U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014990A (en) * | 2018-09-05 | 2018-12-18 | 希斯机床（沈阳）有限责任公司 | A kind of side opening loaded contact rollers formula centre frame and the method for expanding single set center rest support range |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231204 Address after: No. 6-2, Shenxi San Dong Road, Shenyang Economic and Technological Development Zone, Liaoning Province, 110000 Patentee after: Shenyang Sisi Industrial Service Co.,Ltd. Address before: No. 6 Shenxi San Dong Road, Shenyang Economic and Technological Development Zone, Liaoning Province, 110000 Patentee before: XISI MACHINE TOOL (SHENYANG) Co.,Ltd. |
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| TR01 | Transfer of patent right |