CN108127037A - A kind of die regulating method of guide post guide sleeve and application the guide post guide sleeve - Google Patents
A kind of die regulating method of guide post guide sleeve and application the guide post guide sleeve Download PDFInfo
- Publication number
- CN108127037A CN108127037A CN201711315969.8A CN201711315969A CN108127037A CN 108127037 A CN108127037 A CN 108127037A CN 201711315969 A CN201711315969 A CN 201711315969A CN 108127037 A CN108127037 A CN 108127037A
- Authority
- CN
- China
- Prior art keywords
- guide post
- guide
- guide sleeve
- diameter
- conical surface
- 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.)
- Granted
Links
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
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The invention discloses a kind of guide post guide sleeves, and including guide post, guide sleeve, institute's guide post includes bottom and guide portion, and the guide portion includes conical section, and the increment of conical surface diameter and the incremental raio of length of the conical section are 1：10‑1：120, the increment of the diameter of the inner conical surface is identical with the incremental raio of length with the increment of the conical surface diameter of conical section with the incremental raio of length, and the lowermost internal diameter of the inner conical surface of the cavity is bigger 0.001 0.005mm than conical section the lowermost outer diameter.The present invention is provided with a kind of method of adjustment of mold, includes the following steps：A, mounting hole is processed in mold；B, guide post, guide sleeve are mounted in mounting hole；C, guide post is measured with the gap between guide sleeve；D, gap difference is calculated；E, length difference is calculated；F, it is adaptively adjusted.The present invention is coordinated, and taper facilitates using number ratios and carries out conversion adjustment by the way that guide post guide sleeve to be set as to the band gap of taper；Improve the regulated efficiency of the fit clearance of guide post guide sleeve.
Description
Technical field
The present invention relates to the guide post guide sleeves on mould applications, particularly mold.
Background technology
Mold, in industrial production being molded, being blow molded, squeezing out, die casting or the methods of forging forming, smelting, punching press obtain
The various moulds and tool of required product.It mainly makes blank become the product for having specific shape and size under external force
Tool.Be widely used in punching, die forging, cold-heading, extruding, metallic sintered products compacting, compression casting and engineering plastics, rubber,
In the forming of compression moulding or the injection of the products such as ceramics.Mold has specific profile or cavity shape, using with cutting edge
Contour shape can make blank by profile wire shaped occur separation (punching).It can obtain blank using cavity shape corresponding
Three-dimensional shape.Mold generally comprises two parts of dynamic model and cover half (or punch-pin and cavity plate), and the two is partable.It is taken out when separating
Product makes blank injection mold cavity forming when closing up.Mold is precision instrument, complex-shaped, bears the expansive force of blank, to knot
Structure intensity, rigidity, case hardness, surface roughness and machining accuracy all have higher requirements, and the development level of mold production is machine
The one of the important signs that of tool manufacture level.In recent years, with the rapid development of plastics industry and general, engineering plastics in intensity and
The continuous improvement of precision etc. so that the application range of plastic products is also constantly expanding, as household electrical appliance, instrument and meter,
The various fields such as construction equipment, auto industry, haberdashery and hardware, the ratio shared by plastic products just rapidly increase.With people couple
Plastic cement products demand it is growing, higher requirement is proposed to the yield of mold.
Guide post is to be used in mold be applied in combination with guide sleeve to ensure mold accurately to position carry out activity guiding mold row
The director element of journey.In order to improve the formed precision of mold, the existing required precision to guide post is also higher and higher.Existing mold
In, guide post has been separately mounted to guide sleeve on the mounting hole of cover half and dynamic model.Guide post with guide sleeve cooperation when, generally there are
Gap, and in order to ensure the precision of molding, gap should not be too large, but if gap is too small, and causes the peace of guide post and guide sleeve
Reload request is very high.And in order to ensure the installation accuracy of guide post and guide sleeve, in the prior art, generally require costly cost and exist
In the processing of mold mounting hole, and thermal deformation and abrasion with mold in use, mounting hole also will appear shape
Become, so as to affect the fit precision of guide post and guide sleeve, and for there is deviation after, in the prior art can only be by correcting mold
Overcome, but this operation is cumbersome, and precision is adjusted back to the energy of processing request, very test repair master worker
Power.
Invention content
The technical problem to be solved by the present invention is to：A kind of side for the guide post guide sleeve and adjustment for facilitating adjustment gap is provided
Method.
The present invention solve its technical problem solution be：A kind of guide post guide sleeve, including guide post, guide sleeve, the guide sleeve
Including cavity, the guide post can be plugged into cavity, and institute's guide post includes bottom and guide portion, and the guide portion is from the top surface of bottom
It stretches out upwards, the outer diameter of the bottom is more than the outer diameter of guide portion, and the guide portion includes conical section, the outer diameter of the conical section
It gradually decreases from bottom to top, the increment of conical surface diameter and the incremental raio of length of the conical section are 1：10-1：120, the type
The lower end of chamber is inner conical surface, the increment of the diameter of the inner conical surface and the incremental raio of length and the increment of the conical surface diameter of conical section
Identical with the incremental raio of length, the internal diameter of the inner conical surface gradually decreases from bottom to top, and the guide sleeve includes annular bottom surface, described
Annular bottom surface is abutted with the top surface of bottom, and the lowermost internal diameter of the inner conical surface of the cavity is bigger than conical section the lowermost outer diameter
0.001-0.005mm。
As a further improvement of the above technical scheme, the increment of conical surface diameter of the conical section and the incremental raio of length
It is 1:20 or 1:100.
As a further improvement of the above technical scheme, the lowermost internal diameter of the inner conical surface of the cavity is than conical section most
The big 0.002mm of outer diameter of lower end.
As a further improvement of the above technical scheme, the guide portion of the guide post further includes cylindrical section, the cylindrical section
Positioned at the top of conical section, the outer diameter of the cylindrical section is less than or equal to the minimum diameters of conical section；The cavity includes circle
Cylinder, the cylindrical surface are located at the minimum diameter of the internal diameter less than or equal to inner conical surface on cylindrical surface described in the top of inner conical surface,
The internal diameter on the cylindrical surface is bigger 0.003-0.008mm than the outer diameter of cylindrical section, and the outer diameter of the internal diameter on cylindrical surface and cylindrical section it
Difference is more than the lowermost internal diameter of inner conical surface of cavity and the difference of conical section the lowermost outer diameter.
As a further improvement of the above technical scheme, set on the cylindrical section but annular oil groove.
The present invention is provided with a kind of method of adjustment of mold, includes the following steps：A, add on the cover half of mold and dynamic model
Work goes out mounting hole；B, guide post, guide sleeve are mounted in mounting hole；C, cover half and dynamic model are molded, measures guide post between guide sleeve
Gap；D, the gap measured and target gap are compared, calculates gap difference, which is radial difference；E, basis
The radial difference of calculating and the increment of conical surface diameter of conical section and the incremental raio of length calculate length difference；F, according to calculation
The depth of mounting hole is adaptively adjusted in the length difference gone out.
As a further improvement of the above technical scheme, gasket is included in the mounting hole, the gasket is placed on peace
It fills between the bottom in hole and the bottom of guide post/guide sleeve, in the step F, by carrying out machining, the processing of cutting to gasket
Amount is equal to the length difference in step E.
The beneficial effects of the invention are as follows：The present invention is coordinated by the way that guide post guide sleeve to be set as to the band gap of taper, and is bored
Degree facilitates using number ratios and carries out conversion adjustment；And the method for adjustment that the present invention uses, it is namely based on this numeric ratio
The taper of example, is adjusted the cooperation in gap by adjusting the bottom surface depth of guide post guide sleeve, cost saved adjustment time, carry
The high regulated efficiency of the fit clearance of guide post guide sleeve.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is the part of the embodiment of the present invention rather than all implements
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is the guide post guide sleeve sectional view of the present invention；
Fig. 2 is the application schematic diagram of the present invention.
Specific embodiment
The technique effect of the design of the present invention, concrete structure and generation is carried out below with reference to embodiment and attached drawing clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright part of the embodiment rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art is not paying
The other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.In addition, be previously mentioned in text
All connection/connection relations not singly refer to component and directly connect, and refer to be added deduct by adding according to specific implementation situation
Few couple auxiliary, to form more preferably coupling structure.Each technical characteristic in the invention, in not conflicting conflict
Under the premise of can be with combination of interactions.
With reference to Fig. 1, a kind of guide post guide sleeve, including guide post 1, guide sleeve 2, the guide sleeve 2 includes cavity 21, and the guide post 1 can
It is inserted into cavity 21, institute's guide post 1 includes bottom 11 and guide portion 12, and the guide portion 12 is stretched upwards from the top surface of bottom 11
Go out, the outer diameter of the bottom 11 is more than the outer diameter of guide portion 12, and the guide portion 12 includes conical section 121, the conical section 121
Outer diameter gradually decrease from bottom to top, the increment of conical surface diameter and the incremental raio of length of the conical section 121 are 1：10-1：
120, and this ratio is all integral multiple, it is convenient to be adjusted by adjusting gap of the height between guide post guide sleeve.It is described
The lower end of cavity 21 is straight for inner conical surface, the increment of the diameter of the inner conical surface and the incremental raio of length and the conical surface of conical section 121
The increment of diameter is identical with the incremental raio of length, and the internal diameter of the inner conical surface gradually decreases from bottom to top, and the guide sleeve 2 includes annular
Bottom surface 22, the annular bottom surface 22 are abutted with the top surface of bottom 11, and the lowermost internal diameter of the inner conical surface of the cavity 21 is than cone
The 121 big 0.001-0.005mm of the lowermost outer diameter of shape section.Preferably, the lowermost internal diameter ratio of the inner conical surface of the cavity 21
The 121 big 0.002mm of the lowermost outer diameter of conical section, when guide post and guide sleeve are fully mated, i.e. annular bottom surface 22 and bottom
11 top surface completely attaches to, and guide post is 0.002mm with the gap of guide sleeve, fit precision highest at this time, it is desirable that guide post
Installation accuracy with guide sleeve will also reach this precision and can just ensure that molding is smooth.But when guide post is with the installation essence of guide sleeve
Degree is when be unable to reach 0.002mm, we can be by calculating the difference of installation accuracy, this difference is exactly the difference in gap
Away from, then by proportional numerical value conversion in the numerical value of length direction, then by adjusting guide post with the limit contact position of guide sleeve,
So that guide post is adjusted with the gap of guide sleeve, for example, ratio is 1:When 20, by the way that guide post is pulled open with guide sleeve
0.02mm, then guide post can increase 0.001mm with the gap of guide sleeve, so as to compensate for the error of installation accuracy.
It is further used as preferred embodiment, the increment of conical surface diameter of the conical section 121 and the incremental raio of length
It is 1:20 or 1:100.Certainly, the increment of conical surface diameter and selection of the length than numerical value can also be carried out according to practical requirement.
Preferred embodiment is further used as, the lowermost internal diameter of the inner conical surface of the cavity 21 is than conical section 121
The big 0.002mm of the lowermost outer diameter.
Preferred embodiment is further used as, the guide portion 12 of the guide post 1 further includes cylindrical section 122, the cylinder
Section 122 is located at the top of conical section 121, and the outer diameter of the cylindrical section is less than or equal to the minimum diameters of conical section 121；It is described
Cavity 21 includes cylindrical surface, and the internal diameter that the cylindrical surface is located at cylindrical surface described in the top of inner conical surface is less than or equal to inner conical surface
Minimum diameter, the internal diameter on the cylindrical surface is bigger 0.003-0.008mm than the outer diameter of cylindrical section, and the internal diameter and cylinder on cylindrical surface
The difference of the outer diameter of section is more than the difference of 121 the lowermost outer diameter of the lowermost internal diameter and conical section of the inner conical surface of cavity 21.It utilizes
Cylindrical section can realize the maximum limitation in gap.It is such as the internal diameter on cylindrical surface is bigger 0.005mm than the outer diameter of cylindrical section, then
It is exactly 0.002-0.005mm that guide post can adjust range with the gap of guide sleeve.
Be further used as preferred embodiment, set on the cylindrical section and annular oil groove.
The present invention is provided with a kind of method of adjustment of mold, includes the following steps：A, add on the cover half of mold and dynamic model
Work goes out mounting hole；B, guide post, guide sleeve are mounted in mounting hole；C, cover half and dynamic model are molded, measures guide post between guide sleeve
Gap；D, the gap measured and target gap are compared, calculates gap difference, which is radial difference；E, basis
The radial difference of calculating and the increment of conical surface diameter of conical section and the incremental raio of length calculate length difference；F, according to calculation
The depth of mounting hole is adaptively adjusted in the length difference gone out.In existing technology, if wanting to process positional precision very high
Mounting hole, processing cost is very high.And by this guide post guide sleeve, even if the machining accuracy of mounting hole is not high, can also realize
High-precision mould-matching structure, since guide post is relatively low with the production cost of guide sleeve, so in the mold for obtaining equal accuracy
It waits, economic benefit higher.
Preferred embodiment is further used as, gasket is included in the mounting hole, the gasket is placed on mounting hole
Bottom and guide post/guide sleeve bottom between, in the step F, by gasket carry out machining, the processing capacity of cutting etc.
Length difference in step E.By using the mounting height of gasket adjustment guide post, adjustment flow can be further simplified, only
Need the height of adjust pad.
Referring to Fig. 2, upper mold a and lower die b are included in one set of die, is designed with mounting hole in upper mold a and lower die b, then
Guide post guide sleeve is separately mounted in lower die and upper mold, in the prior art, when design, guide post with guide sleeve contact surface with point
Type face is overlapping, but if if overlapping, guide post just limits in the dust with the fit precision of guide sleeve.And the present invention is just ingenious
Ground is by adjusting guide post with the contact surface of guide sleeve so that upper mold with lower die after molding, guide post with not contacted between guide sleeve, and
By controlling one of position, such as the fitting depth of control guide sleeve, depth that can be by boring depth mounting hole or adjustment
The thickness of gasket so that the installation site of guide sleeve deeper into.In this way, upper mold with lower die after molding, guide post is with the gap of guide sleeve
It will be widened, so as to compensate for the positional precision error of mounting hole, ensure that the accurate molding of upper mold and lower die.
The better embodiment of the present invention is illustrated, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent modifications under the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (7)
1. a kind of guide post guide sleeve, including guide post (1), guide sleeve (2), the guide sleeve (2) includes cavity (21), and the guide post (1) can
It is inserted into cavity (21), it is characterised in that：Institute's guide post (1) includes bottom (11) and guide portion (12), the guide portion (12)
It is stretched out upwards from the top surface of bottom (11), the outer diameter of the bottom (11) is more than the outer diameter of guide portion (12), the guide portion
(12) including conical section (121), the outer diameter of the conical section (121) gradually decreases from bottom to top, the cone of the conical section (121)
The increment of face diameter and the incremental raio of length are 1：10-1：120, the lower end of the cavity (21) is inner conical surface, the inner conical surface
Diameter increment it is identical with the incremental raio of length with the increment of the conical surface diameter of conical section (121) with the incremental raio of length, institute
The internal diameter for stating inner conical surface gradually decreases from bottom to top, and the guide sleeve (2) includes annular bottom surface (22), the annular bottom surface (22) with
The top surface of bottom (11) abuts, the lowermost internal diameter of the inner conical surface of the cavity (21) than conical section (121) the lowermost outside
The big 0.001-0.005mm of diameter.
2. guide post guide sleeve according to claim 1, it is characterised in that：The increment of the conical surface diameter of the conical section (121)
Incremental raio with length is 1:20 or 1:100.
3. guide post guide sleeve according to claim 2, it is characterised in that：In the lowermost of the inner conical surface of the cavity (21)
Diameter is bigger 0.002mm than conical section (121) the lowermost outer diameter.
4. the guide post guide sleeve according to claims 1 to 3 any one, it is characterised in that：The guide portion of the guide post (1)
(12) cylindrical section is further included, the cylindrical section is located at the top of conical section (121), and the outer diameter of the cylindrical section is less than or equal to
The minimum diameters of conical section (121)；The cavity (21) includes cylindrical surface, and the cylindrical surface is located at described in the top of inner conical surface
The internal diameter on cylindrical surface is less than or equal to the minimum diameter of inner conical surface, and the internal diameter on the cylindrical surface is bigger 0.003- than the outer diameter of cylindrical section
0.008mm, and the difference of the outer diameter of the internal diameter and cylindrical section on cylindrical surface be more than cavity (21) inner conical surface the lowermost internal diameter with
The difference of conical section (121) the lowermost outer diameter.
5. guide post guide sleeve according to claim 4, it is characterised in that：Set on the cylindrical section but annular oil groove.
6. a kind of die regulating method for applying the guide post guide sleeve as described in claim 1-5 any one, includes the following steps：
A, mounting hole is processed on the cover half of mold and dynamic model；
B, guide post, guide sleeve are mounted in mounting hole；
C, cover half and dynamic model are molded, measures guide post with the gap between guide sleeve；
D, the gap measured and target gap are compared, calculates gap difference, which is radial difference；
E, according to the radial difference of calculating and the increment of conical surface diameter of conical section and the incremental raio of length, length difference is calculated
Value；
F, the depth of mounting hole is adaptively adjusted according to the length difference of calculating.
7. die regulating method according to claim 6, it is characterised in that：Include gasket in the mounting hole, it is described
Gasket is placed between the bottom of mounting hole and the bottom of guide post/guide sleeve, in the step F, is added by carrying out cutting to gasket
Work, the processing capacity of cutting are equal to the length difference in step E.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711315969.8A CN108127037B (en) | 2017-12-12 | 2017-12-12 | Die adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711315969.8A CN108127037B (en) | 2017-12-12 | 2017-12-12 | Die adjusting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108127037A true CN108127037A (en) | 2018-06-08 |
| CN108127037B CN108127037B (en) | 2023-06-06 |
Family
ID=62390109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711315969.8A Active CN108127037B (en) | 2017-12-12 | 2017-12-12 | Die adjusting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108127037B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5316390A (en) * | 1992-12-31 | 1994-05-31 | Hanaway Ronald L | Guide sleeve with seal, guide post and ball bearing assembly |
| US5546958A (en) * | 1994-03-31 | 1996-08-20 | Lake Region Manufacturing Company, Inc. | Guidewire extension system with tactile connection indication |
| CN201586706U (en) * | 2010-01-26 | 2010-09-22 | 苏州市职业大学 | Die guide structure |
| CN103029267A (en) * | 2012-11-08 | 2013-04-10 | 广西梧州五一塑料制品有限公司 | Injecting and molding mold positioning device |
| CN203917649U (en) * | 2014-06-05 | 2014-11-05 | 梅县客都蛋鸡有限公司 | The guide-post of die-set that a kind of punch press is special |
| CN104943089A (en) * | 2015-06-24 | 2015-09-30 | 永高股份有限公司 | Improved guiding and positioning pin for injection mold |
| CN105215204A (en) * | 2015-10-21 | 2016-01-06 | 佛山一精模具配件有限公司 | A kind of novel guide pillar and guide pin bushing |
| CN208728489U (en) * | 2017-12-12 | 2019-04-12 | 佛山一精模具配件有限公司 | A kind of guide post guide sleeve |
-
2017
- 2017-12-12 CN CN201711315969.8A patent/CN108127037B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5316390A (en) * | 1992-12-31 | 1994-05-31 | Hanaway Ronald L | Guide sleeve with seal, guide post and ball bearing assembly |
| US5546958A (en) * | 1994-03-31 | 1996-08-20 | Lake Region Manufacturing Company, Inc. | Guidewire extension system with tactile connection indication |
| CN201586706U (en) * | 2010-01-26 | 2010-09-22 | 苏州市职业大学 | Die guide structure |
| CN103029267A (en) * | 2012-11-08 | 2013-04-10 | 广西梧州五一塑料制品有限公司 | Injecting and molding mold positioning device |
| CN203917649U (en) * | 2014-06-05 | 2014-11-05 | 梅县客都蛋鸡有限公司 | The guide-post of die-set that a kind of punch press is special |
| CN104943089A (en) * | 2015-06-24 | 2015-09-30 | 永高股份有限公司 | Improved guiding and positioning pin for injection mold |
| CN105215204A (en) * | 2015-10-21 | 2016-01-06 | 佛山一精模具配件有限公司 | A kind of novel guide pillar and guide pin bushing |
| CN208728489U (en) * | 2017-12-12 | 2019-04-12 | 佛山一精模具配件有限公司 | A kind of guide post guide sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108127037B (en) | 2023-06-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103244195A (en) | Precision forging blade thickness plastic deformation compensation method | |
| CN208728489U (en) | A kind of guide post guide sleeve | |
| CN108127037A (en) | A kind of die regulating method of guide post guide sleeve and application the guide post guide sleeve | |
| CN207190319U (en) | A kind of fuel-displaced die assembly of vegetable seed cold press | |
| CN207643789U (en) | A kind of automatic guide centering guide post | |
| CN104905838A (en) | Nail pushing seat assembly of anorectal stapler device | |
| CN104400938A (en) | Mould core capable of being deviated left and right | |
| CN107262584A (en) | A kind of customized parameter sheet material bulging assembling die and bulging experimental method | |
| CN203804223U (en) | Engine oil pump rotor forming die | |
| CN210733102U (en) | Injection mold convenient to adjust | |
| CN210358845U (en) | Adjustable section difference combined die for aluminum plate curtain wall decorative corrugated line | |
| CN207154566U (en) | A kind of diel with lateral easily adjusting connection mechanism | |
| CN105108961A (en) | Insulating bushing pressing die | |
| CN206632283U (en) | Longitudinal split prestressing force forging mold | |
| CN216226526U (en) | Cooling structure of die punch | |
| CN209189635U (en) | A kind of die set for stamping parts production | |
| CN203817977U (en) | Device for improving grinding quality of outer wall of punch | |
| CN205236928U (en) | Accurate dabber reaming device of cylinder forging | |
| CN103480712A (en) | Die punch | |
| CN209986089U (en) | Oil-out screw die | |
| CN107962810A (en) | A kind of automatic guide centering guide post | |
| CN210851055U (en) | Pretightening force adjustable rotor rubber coating die | |
| CN114260402B (en) | Design method and forging method of large-diameter thin-wall spherical shell type integral die forging | |
| CN205021897U (en) | Insulating bush embossing mold | |
| CN220311376U (en) | Positioning and shaping die for special-shaped valve line piston |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |