CN111167945A - Stamping die of metal rubber pipeline shock absorber - Google Patents
Stamping die of metal rubber pipeline shock absorber Download PDFInfo
- Publication number
- CN111167945A CN111167945A CN202010005456.2A CN202010005456A CN111167945A CN 111167945 A CN111167945 A CN 111167945A CN 202010005456 A CN202010005456 A CN 202010005456A CN 111167945 A CN111167945 A CN 111167945A
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- China
- Prior art keywords
- stamping
- die
- metal rubber
- rubber pipeline
- shock absorber
- 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
- 229920001967 Metal rubber Polymers 0.000 title claims abstract description 60
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 33
- 230000035939 shock Effects 0.000 title claims abstract description 33
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 2
- 238000004080 punching Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000013461 design Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The embodiment of the application provides a stamping die of metal rubber pipeline shock absorber, includes: the mould base is provided with an upward convex outline bulge, and raw materials of the metal rubber pipeline shock absorber are placed on the outline bulge; the lower end face of the stamping part is matched with the upper end face of the contour protrusion in shape, and the lower end face of the stamping part is used for stamping the raw material above the contour protrusion to form the metal rubber pipeline shock absorber with the shape consistent with that of the upper end face of the contour protrusion; and the stamping direction of the stamping part is consistent with the bearing and stress directions of the metal rubber pipeline damper during use. The technical problem that an existing stamping die cannot meet the requirement of forming a metal rubber pipeline shock absorber through one-time stamping is solved.
Description
Technical Field
The application relates to the technical field of stamping dies, in particular to a stamping die of a metal rubber pipeline shock absorber.
Background
The primary function of the conduit is to deliver the designated medium to the site of use. The pipeline is used as an important component of a rocket pressurizing conveying system and the like, belongs to a single-point failure component, and directly influences the success or failure of flight. In the history of launch vehicle and weapon development, flight failures due to pipeline breaks were even more disfavored. And the conventional rocket pipeline is mainly subjected to vibration reduction and protection in a felt coating mode. The existing rubber pipeline damper cannot adapt to the environments of temperature, corrosion and the like on arrows, so that the metal rubber material is applied to the design of the damper of the pipeline.
The stamping and forming of the metal rubber blank is one of the most important processes in the preparation process of the metal rubber product, and whether the stamping die is reasonable in design and complete in function directly influences the forming quality and the rejection rate of the metal rubber product. The design of the stamping die needs to ensure whether the metal rubber product can be formed or not and whether the forming quality (including the structure size, the mechanical property, the internal organization structure and the like) can meet the design requirements or not according to the structural shape of the prepared metal rubber product. In addition, a series of problems such as installation of stations, limit protection, die strength, demoulding, dimensional accuracy control and the like need to be considered. The stamping die of the existing metal rubber pipeline shock absorber is mostly in an axial stamping mode, and the stamping forming structural form is mostly in a cube or cylindrical form and other simpler structures. The forming structure of the pipeline metal rubber pipeline shock absorber is relatively complex, the design of a stamping die is very important to the performance guarantee, the prior art cannot meet the requirement of special installation of the pipeline, and the requirement of the metal rubber pipeline shock absorber formed by one-step stamping cannot be met.
Therefore, the existing stamping die cannot meet the requirement of forming the metal rubber pipeline damper by one-time stamping, and the technical problem to be solved by the technical personnel in the field is urgently needed.
The above information disclosed in the background section is only for enhancement of understanding of the background of the present application and therefore it may contain information that does not form the prior art that is known to those of ordinary skill in the art.
Disclosure of Invention
The embodiment of the application provides a stamping die of metal rubber pipeline shock absorber to solve the technical problem that current stamping die can't satisfy a punching press and form metal rubber pipeline shock absorber.
The embodiment of the application provides a stamping die of metal rubber pipeline shock absorber, includes:
the mould base is provided with an upward convex outline bulge, and raw materials of the metal rubber pipeline shock absorber are placed on the outline bulge;
the lower end face of the stamping part is matched with the upper end face of the contour protrusion in shape, and the lower end face of the stamping part is used for stamping the raw material above the contour protrusion to form the metal rubber pipeline shock absorber with the shape consistent with that of the upper end face of the contour protrusion; and the stamping direction of the stamping part is consistent with the bearing and stress directions of the metal rubber pipeline damper during use.
Due to the adoption of the technical scheme, the embodiment of the application has the following technical effects:
in the process of stamping and forming the metal rubber pipeline damper, the raw material is placed on the contour bulge; and then, the lower end surface of the stamping part stamps the raw material, and the lower end surface of the stamping part is matched with the upper end surface of the contour protrusion in shape, so that the metal rubber pipeline shock absorber with the shape consistent with that of the upper end surface of the contour protrusion is formed. Thus, the shape of the upper end surface of the outline bulge is designed according to the half shape required by the metal rubber pipeline damper, and the metal rubber pipeline damper can be formed by punching. The stamping direction of the stamping part is consistent with the bearing and stress directions of the metal rubber pipeline damper when in use, so that the metal rubber pipeline damper has higher firmness of the bearing and stress directions when in use, and better protects the pipeline.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic diagram of a stamping die of a metal rubber pipeline damper according to an embodiment of the present application;
FIG. 2 is a cross-sectional view of the stamping die shown in FIG. 1;
FIG. 3 is a cross-sectional view of another angle of the stamping die shown in FIG. 1;
FIG. 4 is a partial schematic view of the stamping die shown in FIG. 1;
figure 5 is a partial schematic view of another angle of the punch abrasive tool shown in figure 4.
Description of reference numerals:
100 mould base, 111 arc-shaped bulge, 112 strip-shaped bulge, 120 guide post, 130 connecting screw,
200 stampings, 300 carrying compression bar, 400 die, 410 relief groove.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example one
FIG. 1 is a schematic diagram of a stamping die of a metal rubber pipeline damper according to an embodiment of the present application; FIG. 2 is a cross-sectional view of the stamping die shown in FIG. 1; FIG. 3 is a cross-sectional view of another angle of the stamping die shown in FIG. 1; FIG. 4 is a partial schematic view of the stamping die shown in FIG. 1; figure 5 is a partial schematic view of another angle of the punch abrasive tool shown in figure 4.
As shown in fig. 1, 2, 3, 4 and 5, a stamping die for a metal rubber pipeline damper according to an embodiment of the present application includes:
the die base 100 is provided with an upward convex outline bulge, and raw materials of the metal rubber pipeline shock absorber are placed on the outline bulge;
the lower end face of the stamping part 200 is matched with the upper end face of the contour protrusion in shape, and the lower end face of the stamping part is used for stamping the raw material above the contour protrusion to form the metal rubber pipeline shock absorber with the shape consistent with that of the upper end face of the contour protrusion; and the stamping direction of the stamping part is consistent with the bearing and stress direction of the metal rubber pipeline damper.
According to the stamping die of the metal rubber pipeline shock absorber, in the process of stamping the metal rubber pipeline shock absorber, raw materials are placed on the contour protrusions; and then, the lower end surface of the stamping part stamps the raw material, and the lower end surface of the stamping part is matched with the upper end surface of the contour protrusion in shape, so that the metal rubber pipeline shock absorber with the shape consistent with that of the upper end surface of the contour protrusion is formed. Thus, the shape of the upper end surface of the outline bulge is designed according to the half shape required by the metal rubber pipeline damper, and the metal rubber pipeline damper can be formed by punching. The stamping direction of the stamping part is consistent with the bearing and stress directions of the metal rubber pipeline damper when in use, so that the metal rubber pipeline damper has higher firmness of the bearing and stress directions when in use, and better protects the pipeline.
In implementation, as shown in fig. 2, 3, 4 and 5, the contour protrusion includes an arc protrusion 111 and a strip protrusion 112 oppositely disposed at two sides of the arc protrusion, and the arc protrusion 111 is higher than the strip protrusion 112;
the lower end surface of the stamping part 200 is provided with an inwards concave outline concave part and flat parts positioned at two sides of the outline concave part;
the profile concave part and the arc-shaped bulge can be engaged in a concave-convex mode and used for stamping to form a semi-arc-shaped main body of the metal rubber pipeline shock absorber, and the flat part can be pressed on the strip-shaped bulge and used for stamping to form a support lug of the metal rubber pipeline shock absorber.
The profile of shape is protruding like this and the lower terminal surface of stamping workpiece, and the metal rubber pipeline shock absorber that the punching press formed includes half arc main part and two relative settings at the journal stirrup of half arc body both sides. In the stamping process, the stamping direction is downward and is consistent with the stress direction of the semi-arc main body of the metal rubber pipeline shock absorber during installation and use.
In an implementation, as shown in fig. 1, 2, 3 and 4, the stamping die further includes:
the guide posts 120 are vertically fixed on the mold base 100;
wherein the stamping part 200 passes through the guide post 120 and can move vertically along the guide post 120.
The guide post guides the vertical moving stamping of the stamping part.
In practice, as shown in fig. 1, 2, 3, 4 and 5, the number of the guide posts 120 is two; the two guide posts 120 respectively penetrate through one strip-shaped protrusion 112 to be fixed with the mold base 100;
and the metal rubber pipeline damper forms a damper mounting hole at the position of the support lug at the position of the guide column.
Like this, at a punching press process, formed half arc main part, the shock absorber mounting hole on journal stirrup and the journal stirrup, a punching press forms the metal rubber pipeline shock absorber for the thickness of half arc main part and journal stirrup can keep unanimous, makes the metal rubber pipeline shock absorber after the shaping, and thickness is even.
In an implementation, as shown in fig. 1, 2, 3, 4 and 5, the stamping die further includes:
and the bearing pressure rod 300 is fixed in the middle of the top end of the stamping part 200 and is used for applying the action of stamping force.
Specifically, the middle part on the top of stamping workpiece has the stamping workpiece screw hole, and the lower extreme that bears the weight of the depression bar has the external screw thread, through bear the weight of the external screw thread of depression bar with the fixed connection of stamping workpiece screw hole realizes bearing the top of depression bar and stamping workpiece fixed.
The bearing pressure rod is used for being connected with an external punching machine to bear the stamping acting force and transmitting the stamping acting force to the stamping part.
In an implementation, as shown in fig. 1, 2 and 3, the stamping die further includes:
a female die 400 having a rectangular relief groove 410 throughout the height; the bearing press rod 300, the stamping part 200, the guide column 120 and the contour protrusion pass through the abdicating groove 410, and the female die 400 is placed on the die base 100;
the stamping part 200 and the bearing pressure rod 300 can move up and down in the receding groove.
The rectangular abdicating groove has enough space, and provides enough space and allowance for the flow of the raw materials subjected to the deformation of punching.
Specifically, the outer side of the female die is integrally of a cylindrical structure, and the abdicating groove axially penetrates through the female die; the mould base is cylindrical.
The whole outer side of the female die is of a cylindrical structure, and the processing is convenient.
In practice, as shown in fig. 1, 2, 3, 4 and 5, the guide post 120 is a cylindrical guide post; the bearing strut 300 is a cylindrical bearing strut.
The guide post is cylindrical, and a hole through which the impact piece penetrates through the guide post is also a corresponding circular hole, so that the stamping piece can conveniently move up and down along the guide post; the cylindrical bearing compression rod is convenient to fix with an external punching machine and bears the punching acting force applied by the punching machine.
In implementation, the lower end of the guide column is in interference fit with the mold base, so that the guide column is vertically fixed on the mold base.
Like this, the realization that can be convenient is with the fixed of guide post and mould base.
In practice, as shown in fig. 4 and 5, the stamping die further includes a connection screw 130;
the die base is provided with a through screw mounting hole, and the bottom of the female die is provided with a positioning hole;
the connecting screw 130 passes through a screw mounting hole of the mold base and a positioning hole of the female mold for radial positioning.
In this way, the relative positions of the base and the cavity block can be maintained in the radial direction during impact, preventing the impact from causing misalignment of the base and the cavity block.
In operation, as shown in fig. 4, the stamping 200 is flush with the sides of the profile lobes.
The side surfaces of the stamping part and the profile bulge are parallel and level, the stamping acting force applied by the stamping part is borne by the upper surface of the profile bulge, the stamping acting force is fully utilized, and the structure of the stamping die is simple.
In the implementation, the die base, the stamping parts, the guide columns, the bearing compression bars and the female die are all made of metal materials. Thus, each part of the press die has high rigidity and is suitable for pressing.
When the stamping die of the embodiment of the application is used for stamping:
firstly, placing a female die on a die base, wherein the female die and the die base are detachably fixed together;
then, filling the raw material, which is usually metal rubber, in the abdicating groove of the female die;
then, the structure that the punching block and the bearing pressure rod are fixed into a whole is placed into the abdicating groove from the upper end of the abdicating groove, and at the moment, the punching block penetrates through the guide post;
then, the punching machine applies downward punching acting force through the bearing pressure rod, and the structure formed by fixing the punching block and the bearing pressure rod into a whole moves downwards under the downward punching acting force to punch the raw materials; in the process, the metal rubber is ensured to be punched in the stroke of the guide column by designing the punching acting force, so that the metal rubber pipeline damper is formed.
In the description of the present application and the embodiments thereof, it is to be understood that the terms "top", "bottom", "height", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In this application and its embodiments, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application and its embodiments, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. The utility model provides a stamping die of metal rubber pipeline shock absorber which characterized in that includes:
the mould base is provided with an upward convex outline bulge, and raw materials of the metal rubber pipeline shock absorber are placed on the outline bulge;
the lower end face of the stamping part is matched with the upper end face of the contour protrusion in shape, and the lower end face of the stamping part is used for stamping the raw material above the contour protrusion to form the metal rubber pipeline shock absorber with the shape consistent with that of the upper end face of the contour protrusion; and the stamping direction of the stamping part is consistent with the bearing and stress directions of the metal rubber pipeline damper during use.
2. The stamping die of claim 1, wherein the contour protrusion comprises an arc protrusion and strip protrusions oppositely arranged on two sides of the arc protrusion, and the arc protrusion is higher than the strip protrusions;
the lower end surface of the stamping part is provided with an inwards concave outline concave part and flat parts positioned on two sides of the outline concave part;
the profile concave part and the arc-shaped bulge can be engaged in a concave-convex mode and used for stamping to form a semi-arc-shaped main body of the metal rubber pipeline shock absorber, and the flat part can be pressed on the strip-shaped bulge and used for stamping to form a support lug of the metal rubber pipeline shock absorber.
3. The stamping die of claim 2, further comprising:
the guide post is vertically fixed on the die base;
the stamping part penetrates through the guide column and can vertically move along the guide column.
4. The stamping die of claim 3, wherein the guide posts are two; the two guide columns respectively penetrate through one strip-shaped bulge to be fixed with the mold base;
and the metal rubber pipeline damper forms a damper mounting hole at the position of the support lug at the position of the guide column.
5. The stamping die of claim 4, further comprising:
and the bearing pressure rod is fixed in the middle of the top end of the stamping part and used for exerting the action of stamping force.
6. The stamping die of claim 5, further comprising:
the female die is provided with a rectangular abdicating groove which penetrates through the height; the bearing pressure rod, the stamping part, the guide column and the contour bulge penetrate through the abdicating groove, and the female die is arranged on the die base;
the stamping part with bear the weight of the depression bar and can the inslot that gives way reciprocates.
7. The stamping die of claim 6, wherein the guide posts are cylindrical guide posts; the bearing compression rod is a cylindrical bearing compression rod.
8. The stamping die of claim 7, wherein the lower end of the guide post is in interference fit with the die base to achieve vertical securement of the guide post above the die base.
9. The stamping die of claim 8, further comprising an attachment screw;
the die base is provided with a through screw mounting hole, and the bottom of the female die is provided with a positioning hole;
and the connecting screw penetrates through a screw mounting hole of the mold base and penetrates through a positioning hole of the female mold to perform radial positioning.
10. The stamping die of claim 9, wherein the sides of the stamping and the profile embossment are flush above one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010005456.2A CN111167945B (en) | 2020-01-03 | 2020-01-03 | Stamping die of metal rubber pipeline shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010005456.2A CN111167945B (en) | 2020-01-03 | 2020-01-03 | Stamping die of metal rubber pipeline shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111167945A true CN111167945A (en) | 2020-05-19 |
| CN111167945B CN111167945B (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010005456.2A Expired - Fee Related CN111167945B (en) | 2020-01-03 | 2020-01-03 | Stamping die of metal rubber pipeline shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111167945B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248455A (en) * | 2021-12-06 | 2022-03-29 | 瑞派克智能包装科技(昆山)有限公司 | Manufacturing process of damping sleeve of quick-return conveyor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08238529A (en) * | 1995-03-03 | 1996-09-17 | Ishikawajima Harima Heavy Ind Co Ltd | Die cushion device for press |
| CN203737856U (en) * | 2014-04-02 | 2014-07-30 | 慈溪市连赢模具有限公司 | Mould for stamping part |
| CN204338712U (en) * | 2014-12-22 | 2015-05-20 | 靖江市同安汽车配件制造有限公司 | A kind of mould for the manufacture of train shock bracket |
| CN106001276A (en) * | 2016-07-01 | 2016-10-12 | 沙洲职业工学院 | Drawing die for sheet metal part of automobile shock absorber |
| CN208050746U (en) * | 2018-04-13 | 2018-11-06 | 安徽江淮汽车集团股份有限公司 | A kind of damping diel for auto parts processing |
| CN211803405U (en) * | 2020-01-03 | 2020-10-30 | 北京强度环境研究所 | Stamping die of metal rubber pipeline shock absorber |
-
2020
- 2020-01-03 CN CN202010005456.2A patent/CN111167945B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08238529A (en) * | 1995-03-03 | 1996-09-17 | Ishikawajima Harima Heavy Ind Co Ltd | Die cushion device for press |
| CN203737856U (en) * | 2014-04-02 | 2014-07-30 | 慈溪市连赢模具有限公司 | Mould for stamping part |
| CN204338712U (en) * | 2014-12-22 | 2015-05-20 | 靖江市同安汽车配件制造有限公司 | A kind of mould for the manufacture of train shock bracket |
| CN106001276A (en) * | 2016-07-01 | 2016-10-12 | 沙洲职业工学院 | Drawing die for sheet metal part of automobile shock absorber |
| CN208050746U (en) * | 2018-04-13 | 2018-11-06 | 安徽江淮汽车集团股份有限公司 | A kind of damping diel for auto parts processing |
| CN211803405U (en) * | 2020-01-03 | 2020-10-30 | 北京强度环境研究所 | Stamping die of metal rubber pipeline shock absorber |
Non-Patent Citations (1)
| Title |
|---|
| 刘思德: "后减震器帽的工艺分析及模具设计 ", 《模具技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248455A (en) * | 2021-12-06 | 2022-03-29 | 瑞派克智能包装科技(昆山)有限公司 | Manufacturing process of damping sleeve of quick-return conveyor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111167945B (en) | 2021-09-28 |
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Granted publication date: 20210928 |