CN215511969U - Tire tread rubber sheet pressure injection mold - Google Patents
Tire tread rubber sheet pressure injection mold Download PDFInfo
- Publication number
- CN215511969U CN215511969U CN202122884465.6U CN202122884465U CN215511969U CN 215511969 U CN215511969 U CN 215511969U CN 202122884465 U CN202122884465 U CN 202122884465U CN 215511969 U CN215511969 U CN 215511969U
- Authority
- CN
- China
- Prior art keywords
- die
- limiting
- core
- mold
- upper die
- 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.)
- Active
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a tire tread rubber sheet pressure injection mold, which belongs to the technical field of rubber molds and comprises the following components: a lower die; the upper die is arranged above the lower die and is provided with a glue storage groove, and a glue injection hole is formed in the glue storage groove; the upper plate is arranged above the upper die, a first connecting and limiting assembly is arranged between the upper plate and the upper die, and the lower end face of the upper plate is provided with a glue pressing block; the core die is arranged between the upper die and the lower die, and a second connecting and limiting assembly is arranged between the core die and the upper die; when the lower die and the upper die are closed, the lower die, the upper die and the core die form a die cavity in the shape of a tread rubber sheet; the glue injection hole is communicated with the cavity; the utility model adopts the mode of pressure injection and glue injection to produce the tread rubber sheet, solves the problems of uneven flow and serious rubber edge of the rubber material in the traditional mould pressing type mould, and ensures that the produced tread rubber sheet has even thickness and better appearance and surface quality.
Description
Technical Field
The utility model relates to the technical field of rubber molds, in particular to a tire tread rubber sheet pressure injection mold.
Background
The tread rubber is a layer of rubber material with patterns printed on the surface, wherein the outermost layer of the tire is in contact with the road surface, and the tread rubber has the functions of enabling the tire to have traction, buffering impact and swing during running, preventing cutting and piercing of a cord layer and the like.
With the development of technology, in some specific fields, the demand for solid tires and non-pneumatic tires is increasing. The surface of a part of solid tire and the surface of a non-pneumatic tire after vulcanization are smooth, and in order to increase the friction force of the surface of the solid tire and the non-pneumatic tire, a layer of tread rubber sheet (namely sheet tread rubber) needs to be coated on the smooth tread; meanwhile, after the treads of the solid tire and the non-pneumatic tire are worn, the solid tire and the non-pneumatic tire need to be integrally replaced, and in order to reduce the cost, only the tread rubber sheet part can be replaced; in addition, for some metal wheels, in order to increase the friction force, a layer of tread rubber is required to be coated on the tread.
The tread rubber sheet is usually produced by rubber pressure injection vulcanization, and in order to produce the tread rubber sheet by vulcanization, a pressure injection mold of the tread rubber sheet needs to be designed.
Disclosure of Invention
For the problems in the prior art, the utility model provides a tire tread rubber sheet pressure injection mold, which is used for producing tire tread rubber sheets in a pressure injection and glue injection mode, solves the problems of uneven flow and serious rubber edge of rubber materials in the traditional mold pressing type mold, and ensures that the produced tire tread rubber sheets have even thickness and better product appearance and surface quality.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a tire tread rubber sheet pressure injection mold, which comprises:
a lower die;
the upper die is arranged above the lower die, a glue storage groove is formed in the upper end face of the upper die, and a glue injection hole penetrating through the upper die is formed in the glue storage groove;
the upper plate is arranged above the upper die, a first connecting and limiting assembly is arranged between the upper plate and the upper die, and the first connecting and limiting assembly enables the maximum distance between the upper plate and the upper die not to exceed a first length; the lower end face of the upper plate is provided with a glue pressing block which can extend into the glue storage groove;
the core die is arranged between the upper die and the lower die, a second connecting and limiting assembly is arranged between the core die and the upper die, and the second connecting and limiting assembly enables the maximum distance between the core die and the upper die not to exceed a second length;
when the lower die and the upper die are closed, the lower die, the upper die and the core die form a die cavity in the shape of a tread rubber sheet; the glue injection hole is communicated with the cavity.
As a preferable technical solution, when the lower mold and the upper mold are closed, at least a part of the upper end surface of the core mold is closely attached to the lower end surface of the upper mold, and at least a part of the lower end surface of the core mold is closely attached to the upper end surface of the lower mold; and/or partial matching surfaces of the lower die and the upper die are conical surfaces; and/or an exhaust glue overflow groove is arranged on the area where the lower die is tightly attached to the core die; and/or an air storage hole is formed in the lower die and communicated with the cavity.
As a preferable technical scheme, a lower plate is arranged on the lower die, and a positioning hole into which at least part of the lower plate extends is arranged on the core die.
As a preferable technical solution, the portion of the lower plate extending into the positioning hole is formed in a cylindrical shape; and/or the upper end of the lower plate is in a circular truncated cone shape; and/or the connecting parts of the upper end surface of the lower plate and the peripheral surface of the lower plate are rounded.
As a preferable technical scheme, the lower plate has a step, a first positioning member protruding from the step is provided on the step, and a first positioning groove into which the first positioning member is inserted is provided on a lower end surface of the core mold.
As a preferred technical scheme, one end of the first connecting and limiting assembly is fixedly connected with the upper plate, the other end of the first connecting and limiting assembly is movably connected with the upper die, and a first limiting part is arranged between the first connecting and limiting assembly and the upper die;
or one end of the first connecting and limiting assembly is movably connected with the upper plate, the other end of the first connecting and limiting assembly is fixedly connected with the upper die, and the first limiting part is arranged between the first connecting and limiting assembly and the upper plate;
or one end of the first connecting limiting component is fixedly connected with the upper plate, the other end of the first connecting limiting component is fixedly connected with the upper die, the first connecting limiting component is of a telescopic structure, and the first limiting part is arranged on the first connecting limiting component.
As a preferable technical solution, the first connecting and limiting component is a first limiting screw, the upper die is provided with a first hole, the first limiting screw passes through the first hole to be in threaded connection with the upper plate, and the lower edge of the first hole blocks the nail head of the first limiting screw from passing through to form the first limiting portion.
As a preferable technical solution, one end of the second connection limiting component is fixedly connected with the upper die, the other end of the second connection limiting component is movably connected with the core die, and a second limiting portion is arranged between the second connection limiting component and the core die;
or one end of the second connecting and limiting assembly is movably connected with the upper die, the other end of the second connecting and limiting assembly is fixedly connected with the core die, and the second limiting part is arranged between the second connecting and limiting assembly and the upper die;
or one end of the second connecting and limiting component is fixedly connected with the upper die, the other end of the second connecting and limiting component is fixedly connected with the core die, the second connecting and limiting component is of a telescopic structure, and the second limiting part is arranged on the second connecting and limiting component.
As a preferable technical solution, the second connection limiting component is a second limiting screw, a second hole is formed in the upper die, the second limiting screw passes through the second hole to be in threaded connection with the core die, and the upper edge of the second hole blocks the nail head of the second limiting screw from passing through to form the second limiting portion.
As a preferable technical solution, an elastic member is sleeved on a portion of the second limit screw located between the upper die and the core die.
The beneficial effects of the utility model are as follows:
1. the utility model adopts the mode of pressure injection and glue injection to produce the tread rubber sheet, solves the problems of uneven flow and serious rubber edge of the rubber material in the traditional mould pressing type mould, and ensures that the produced tread rubber sheet has even thickness and better appearance and surface quality.
2. The utility model can improve the positioning precision between the upper die and the lower die by utilizing the conical surface matching surface between the upper die and the lower die, and the matching surfaces of the upper die and the lower die are tightly attached, thereby effectively improving the problem of adhesive edge.
3. According to the utility model, the cylindrical upper end of the lower plate or the upper end of the lower plate is in a round table shape or the upper end of the lower plate is provided with the round-corner outer edge, so that the positioning precision between the lower die and the core die can be improved, the shape of the cavity formed by the upper die, the lower die and the core die is stable, and the problem of uneven thickness of a vulcanized product can be effectively solved.
4. The utility model can discharge gas and redundant rubber materials in time in the vulcanization process through the exhaust rubber overflow groove and the air storage hole on the lower die, thereby ensuring the quality of products.
5. The utility model can be directly applied to a simple plate vulcanizing machine, does not need an additional glue injection mechanism, has low requirement on vulcanizing production equipment, is convenient to install and debug and is convenient to produce.
Drawings
FIG. 1 is a schematic view of the overall structure of a mold clamping device according to an embodiment of the utility model;
FIG. 2 is a schematic view of the upper plate and the upper mold separated when the mold is opened in FIG. 1;
FIG. 3 is a schematic view of the upper mold separated from the core mold during opening of the mold of FIG. 1;
fig. 4 is a schematic view showing a structure when the core mold is separated from the lower mold in opening the mold of fig. 1.
In the figure: 1-lower die, 11-conical surface, 12-exhaust glue overflow groove, 13-air storage hole, 2-upper die, 21-glue storage groove, 22-glue injection hole, 3-upper plate, 31-glue pressing block, 4-core die, 5-first limiting screw, 6-second limiting screw, 61-elastic piece, 7-lower plate, 71-first positioning piece and 8-tread rubber piece.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-4, an embodiment of a tread rubber sheet injection mold provided by the present invention comprises:
a lower die 1;
the upper die 2 is arranged above the lower die 1, the upper end surface of the upper die 2 is provided with a glue storage groove 21, and glue storage materials can be placed in the glue storage groove 21; a glue injection hole 22 penetrating through the upper die 2 is formed in the glue storage groove 21;
the glue injection device comprises an upper plate 3, wherein the upper plate 3 is arranged above an upper die 2, a first connecting and limiting assembly is arranged between the upper plate 3 and the upper die 2, the upper plate 3 and the upper die 2 are connected by the first connecting and limiting assembly, the maximum distance between the upper plate 3 and the upper die 2 does not exceed a first length, and when the upper plate 3 moves and the distance between the upper plate 3 and the upper die 2 reaches the first length, a glue pressing block 31 is required to be completely separated from a glue storage groove 21, so that glue is injected into the glue storage groove 21; under the limit of the first connecting limit component, the upper die 2 moves along with the upper plate 3; a glue pressing block 31 capable of extending into the glue storage groove 21 is arranged on the lower end face of the upper plate 3, when the upper plate 3 is close to the upper die 2 until the upper plate is attached, the glue pressing block 31 extends into the glue storage groove 21 to press glue materials, and the glue materials are discharged along the glue injection holes 22;
the core mold 4 is arranged between the upper mold 2 and the lower mold 1, a second connecting and limiting assembly is arranged between the core mold 4 and the upper mold 2, the core mold 4 is connected with the upper mold 2 through the second connecting and limiting assembly, the maximum distance between the core mold 4 and the upper mold 2 does not exceed a second length, and when the upper mold 2 moves and the distance between the upper mold 2 and the core mold 4 reaches the second length, the core mold 4 is completely separated from the upper mold 2, so that the tread rubber sheet 8 can be conveniently taken down from the core mold 4; under the limit of the second connecting and limiting component, the core mould 4 moves along with the upper mould 2;
when the lower die 1 and the upper die 2 are closed, the core die 4 is positioned in a cavity formed by the lower die 1 and the upper die 2, and the lower die 1, the upper die 2 and the core die 4 together form a cavity in the shape of a tread rubber sheet 8; the glue injection hole 22 is communicated with the cavity, and glue can flow into the cavity along the glue injection hole 22.
It should be noted that, in practical use, the upper plate 3 can be connected with a hot plate of a vulcanizing machine, the vulcanizing machine drives the upper plate 3 to move in the vertical direction, so that the mold opening and mold closing between the upper mold 2 and the lower mold 1 are realized, and meanwhile, the hot plate of the vulcanizing machine can be used for realizing vulcanization.
Referring to fig. 1 and 4, when the lower mold 1 and the upper mold 2 are closed, at least a portion of the upper end surface of the core mold 4 is closely attached to the lower end surface of the upper mold 2, and at least a portion of the lower end surface of the core mold 4 is closely attached to the upper end surface of the lower mold 1, so as to ensure the sealing property of the lower mold 1, the upper mold 2 and the core mold 4 which together form a cavity in the shape of the tread rubber sheet 8; meanwhile, part of matching surfaces of the lower die 1 and the upper die 2 during die assembly can be set as matched conical surfaces 11, the positioning precision between the upper die 2 and the lower die 1 can be improved by utilizing the conical surfaces 11, the matching surfaces of the upper die 2 and the lower die 1 are tightly attached, and the problem of edge gluing can be effectively solved; an exhaust glue overflow groove 12 can be arranged on the area where the lower die 1 is tightly attached to the core die 4, so that gas and redundant glue in the cavity can be discharged in time, and the quality of the tread rubber sheet 8 is ensured; the lower die 1 can be provided with the gas storage hole 13 communicated with the die cavity, so that gas in the die cavity can be prevented from being trapped, and the defect of the tread rubber sheet 8 is avoided.
In this embodiment, referring to fig. 1 and 4, a lower plate 7 is disposed on the lower die 1, a positioning hole into which at least a portion of the lower plate 7 extends is disposed on the core die 4, when the core die 4 is dropped on the lower die 1, a portion of the lower plate 7 extends into the positioning hole, and the positioning accuracy between the lower die 1 and the core die 4 can be effectively improved by using the lower plate 7 and the positioning hole; furthermore, the part of the lower plate 7 extending into the positioning hole can be designed into a cylindrical shape, so that the upper end of the lower plate 7 is in a circular truncated cone shape, and the joints of the upper end surface of the lower plate 7 and the peripheral surface of the lower plate are all designed into round corners, thereby avoiding rigid contact between the lower die 1 and the core die 4 and prolonging the service life; specifically, the lower plate 7 may be fixedly connected to the lower mold 1 by screws.
On the basis of the above embodiment, referring to fig. 4, the lower plate 7 has a step, when the lower mold 1 and the upper mold 2 are closed, the lower end surface of a part of the core mold 4 is attached to the step surface of the lower plate 7, the step is provided with a first positioning member 71 protruding out of the step, the lower end surface of the core mold 4 is provided with a first positioning groove into which the first positioning member 71 is inserted, and the positioning accuracy between the core mold 4 and the lower mold 1 can be further improved by the first positioning member 71 and the first positioning groove; specifically, the first positioning member 71 may be a cylindrical positioning pin fixed to the step surface of the lower plate 7 by a screw; in other embodiments, the first positioning member 71 may be a positioning block integrally formed on the step surface of the lower plate 7.
In this embodiment, referring to fig. 2, the first connecting and limiting component may be a first limiting screw 5, the upper die 2 is provided with a first hole, the first limiting screw 5 passes through the first hole to be in threaded connection with the upper plate 3, and the lower edge of the first hole may block the nail head of the first limiting screw 5 from passing through, so as to limit the maximum distance between the upper die 2 and the upper plate 3; preferably, in order to ensure the stability of the connection between the upper die 2 and the upper plate 3, at least three first limit screws 5 are arranged between the upper die 2 and the upper plate 3, and the first limit screws 5 are distributed along the circumferential direction of the upper die 2; preferably, the first hole may be a counter bore, so that a limiting surface of the first hole to the first limiting screw 5 is a step surface of the counter bore; in other embodiments, the first hole may be provided on the upper plate 3, and the first limit screw 5 passes through the first hole to be in threaded connection with the upper die 2, at this time, the upper edge of the first hole may block the nail head of the first limit screw 5 from passing through, and may also limit the maximum distance between the upper die 2 and the upper plate 3; in other embodiments, first spacing subassembly of connection can also be established to guide post and uide bushing, and guide post and uide bushing form the telescopic structure, and guide post and uide bushing are connected with last mould 2 and upper plate 3 respectively, can be spacing the maximum distance of going up mould 2 and upper plate 3 through the mode that sets up the stopper between guide post and uide bushing.
In this embodiment, referring to fig. 3, the second connection limiting component may be a second limiting screw 6, a second hole is formed on the upper die 2, the second limiting screw 6 passes through the second hole to be in threaded connection with the core die 4, and an upper edge of the second hole may block a nail head of the second limiting screw 6 from passing through, so as to limit the maximum distance between the upper die 2 and the core die 4; preferably, in order to ensure the stability of the connection between the upper die 2 and the core die 4, at least three second limit screws 6 are arranged between the upper die 2 and the core die 4, and the second limit screws 6 are distributed along the circumferential direction of the upper die 2; preferably, the second hole may be a counter bore, so that the limiting surface of the second hole to the second limiting screw 6 is a step surface of the counter bore; in other embodiments, a second hole may be formed in the core mold 4, and the second limit screw 6 passes through the second hole to be screwed with the upper mold 2, at this time, the upper edge of the second hole may block the nail head of the second limit screw 6 from passing through, and may also limit the maximum distance between the upper mold 2 and the core mold 4; in other embodiments, the second connection limiting assembly may also be configured as a guide post and a guide sleeve, the guide post and the guide sleeve form a telescopic structure, the guide post and the guide sleeve are respectively connected with the upper die 2 and the core die 4, and the maximum distance between the upper die 2 and the core die 4 can be limited by arranging a limiting block between the guide post and the guide sleeve; furthermore, the elastic part 61 is sleeved on the part of the second limit screw 6 between the upper die 2 and the core die 4, the elastic part 61 is preferably set as a spring, when the upper die 2 is close to the core die 4, the spring is in a compressed state, so that when the upper die 2 and the lower die 1 are closed, the upper die 2 can stably fall down, thereby effectively avoiding rigid contact between the upper die 2 and the core die 4 and prolonging the service life; the spring is preferably a cylindrical helical compression spring.
The specific working process of the utility model is as follows:
referring to fig. 1-4, the upper plate 3 is fixedly connected to the hot plate of the vulcanizing machine, the vulcanizing machine drives the upper plate 3 to move upward, the upper plate 3 drives the upper mold 2 to move upward through the first limit screw 5, and the upper mold 2 drives the core mold 4 to move upward through the second limit screw 6, so as to complete the mold opening process;
after the mold is opened, a proper amount of rubber material is added into the rubber storage tank 21 of the upper mold 2, the vulcanizing machine drives the upper plate 3 to move downwards until the upper mold 2 and the lower mold 1 are closed, after the mold is closed, the upper plate 3 continues to move downwards, the rubber material in the rubber storage tank 21 is pressed into the cavity through the rubber injection hole 22 by the rubber pressing block 31 on the upper plate 3, and under the action of a hot plate of the vulcanizing machine, the tread rubber sheet 8 is produced through vulcanization.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Tire tread rubber piece pressure injection mould characterized by, includes:
a lower die;
the upper die is arranged above the lower die, a glue storage groove is formed in the upper end face of the upper die, and a glue injection hole penetrating through the upper die is formed in the glue storage groove;
the upper plate is arranged above the upper die, a first connecting and limiting assembly is arranged between the upper plate and the upper die, and the first connecting and limiting assembly enables the maximum distance between the upper plate and the upper die not to exceed a first length; the lower end face of the upper plate is provided with a glue pressing block which can extend into the glue storage groove;
the core die is arranged between the upper die and the lower die, a second connecting and limiting assembly is arranged between the core die and the upper die, and the second connecting and limiting assembly enables the maximum distance between the core die and the upper die not to exceed a second length;
when the lower die and the upper die are closed, the lower die, the upper die and the core die form a die cavity in the shape of a tread rubber sheet; the glue injection hole is communicated with the cavity.
2. The die for injecting a tread rubber sheet according to claim 1, wherein when the lower die and the upper die are closed, at least a part of an upper end surface of the core mold is brought into close contact with a lower end surface of the upper die, and at least a part of a lower end surface of the core mold is brought into close contact with an upper end surface of the lower die; and/or partial matching surfaces of the lower die and the upper die are conical surfaces; and/or an exhaust glue overflow groove is arranged on the area where the lower die is tightly attached to the core die; and/or an air storage hole is formed in the lower die and communicated with the cavity.
3. The die for injecting a tread rubber sheet according to claim 1 or 2, wherein a lower plate is provided on the lower die, and a positioning hole into which at least a part of the lower plate is inserted is provided on the core die.
4. The tread strip injection mold of claim 3 wherein the portion of said lower plate extending into said registration hole is cylindrical; and/or the upper end of the lower plate is in a circular truncated cone shape; and/or the connecting parts of the upper end surface of the lower plate and the peripheral surface of the lower plate are rounded.
5. The tire tread rubber sheet injection mold of claim 3, wherein the lower plate has a step, the step is provided with a first positioning member protruding from the step, and the lower end surface of the core mold is provided with a first positioning groove into which the first positioning member is inserted.
6. The tire tread rubber sheet injection mold according to claim 1, wherein one end of the first connecting and limiting component is fixedly connected with the upper plate, the other end of the first connecting and limiting component is movably connected with the upper mold, and a first limiting part is arranged between the first connecting and limiting component and the upper mold;
or one end of the first connecting and limiting assembly is movably connected with the upper plate, the other end of the first connecting and limiting assembly is fixedly connected with the upper die, and the first limiting part is arranged between the first connecting and limiting assembly and the upper plate;
or one end of the first connecting limiting component is fixedly connected with the upper plate, the other end of the first connecting limiting component is fixedly connected with the upper die, the first connecting limiting component is of a telescopic structure, and the first limiting part is arranged on the first connecting limiting component.
7. The tire tread rubber sheet injection mold of claim 6, wherein the first connection limiting component is a first limiting screw, the upper mold is provided with a first hole, the first limiting screw passes through the first hole to be in threaded connection with the upper plate, and the lower edge of the first hole blocks the head of the first limiting screw from passing through to form the first limiting portion.
8. The tire tread rubber sheet injection mold according to claim 1, wherein one end of the second connection limiting component is fixedly connected with the upper mold, the other end of the second connection limiting component is movably connected with the core mold, and a second limiting part is arranged between the second connection limiting component and the core mold;
or one end of the second connecting and limiting assembly is movably connected with the upper die, the other end of the second connecting and limiting assembly is fixedly connected with the core die, and the second limiting part is arranged between the second connecting and limiting assembly and the upper die;
or one end of the second connecting and limiting component is fixedly connected with the upper die, the other end of the second connecting and limiting component is fixedly connected with the core die, the second connecting and limiting component is of a telescopic structure, and the second limiting part is arranged on the second connecting and limiting component.
9. The die for injecting rubber sheets onto a tread of claim 8, wherein the second connection limiting component is a second limiting screw, a second hole is provided on the upper die, the second limiting screw passes through the second hole to be in threaded connection with the mandrel, and an upper edge of the second hole blocks a nail head of the second limiting screw from passing through to form the second limiting portion.
10. The die for injecting tread rubber sheets as claimed in claim 9, wherein an elastic member is provided around a portion of said second limit screw located between said upper die and said core die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122884465.6U CN215511969U (en) | 2021-11-24 | 2021-11-24 | Tire tread rubber sheet pressure injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122884465.6U CN215511969U (en) | 2021-11-24 | 2021-11-24 | Tire tread rubber sheet pressure injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215511969U true CN215511969U (en) | 2022-01-14 |
Family
ID=79798578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122884465.6U Active CN215511969U (en) | 2021-11-24 | 2021-11-24 | Tire tread rubber sheet pressure injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215511969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116533431A (en) * | 2023-07-05 | 2023-08-04 | 河北华亘科技有限公司 | Rubber sealing ring production device and production method |
-
2021
- 2021-11-24 CN CN202122884465.6U patent/CN215511969U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116533431A (en) * | 2023-07-05 | 2023-08-04 | 河北华亘科技有限公司 | Rubber sealing ring production device and production method |
| CN116533431B (en) * | 2023-07-05 | 2023-09-01 | 河北华亘科技有限公司 | Rubber sealing ring production device and production method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215511969U (en) | Tire tread rubber sheet pressure injection mold | |
| CN103978615B (en) | Production method of brake rubber block as well as forming device | |
| CN110978355A (en) | Improved rubber membrane die | |
| CN110370573B (en) | Prevent that product from gluing bullet needle structure of slider | |
| CN215359651U (en) | Sealing rubber cap and forming die thereof | |
| CN211505080U (en) | Sample preparation device for Akron abrasion test | |
| CN202045824U (en) | Die structure preventing engine oil filter screen rubber from being overflowed during vulcanization and moulding | |
| CN102975335A (en) | Low-pressure injection molding mold | |
| CN110978580B (en) | Solid tire mold and demolding mechanism | |
| CN208664220U (en) | A kind of adjustable automobile forming parts mold | |
| CN215750908U (en) | Press machine for repairing tire mold | |
| CN208946466U (en) | A kind of tire-mold | |
| CN209035400U (en) | It is a kind of for producing the mold of cutting machine body | |
| CN217373320U (en) | Anti-thimble blotting device | |
| CN217395444U (en) | Tire mold side plate and tire mold comprising same | |
| CN110181725A (en) | A kind of plastic mould side core-pulling ejecting mechanism and its application method | |
| CN213763925U (en) | Whole psammitolite of special cylinder cap for diesel engine | |
| CN209079086U (en) | Motor rear housing mold | |
| CN215359655U (en) | Hot runner injection mold for rubber framework oil seal | |
| CN221170283U (en) | Composite part forming locating pin | |
| CN216442952U (en) | Mould for steering linkage joint dust cover | |
| CN217196446U (en) | Forming die for sealing rubber pad | |
| CN219028319U (en) | Uniform rubber coating type die for water filtering paper board | |
| CN220995290U (en) | Novel energy battery cover plate injection upper die with good plate removing effect | |
| CN219789031U (en) | Hinge lug mould pressing mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |