CN219789016U - Polyurethane backplate reforms mould - Google Patents
Polyurethane backplate reforms mould Download PDFInfo
- Publication number
- CN219789016U CN219789016U CN202321270049.XU CN202321270049U CN219789016U CN 219789016 U CN219789016 U CN 219789016U CN 202321270049 U CN202321270049 U CN 202321270049U CN 219789016 U CN219789016 U CN 219789016U
- Authority
- CN
- China
- Prior art keywords
- die
- polyurethane
- lower die
- backplate
- material blocking
- 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
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 47
- 239000004814 polyurethane Substances 0.000 title claims abstract description 47
- 239000000463 material Substances 0.000 claims abstract description 64
- 230000000903 blocking effect Effects 0.000 claims abstract description 56
- 238000002407 reforming Methods 0.000 claims description 16
- 238000005266 casting Methods 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 2
- 230000013011 mating Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 229920001971 elastomer Polymers 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a polyurethane rear guard board remanufacturing die, which belongs to the technical field of die improvement and comprises the following components: the device comprises a lower die, a middle die, a first material blocking ring, a second material blocking ring and an upper die. The middle die is connected to the top surface of the lower die, and the middle die is arranged along the circumferential direction of the lower die. The first material blocking ring is detachably clamped on the top surface of the middle die. The second keeps off the material ring and can dismantle the middle part of connecting at the lower mould, and the second keeps off the material ring and is located the inboard of well mould, and the second keeps off and is used for forming the pouring cavity of pouring polyurethane between material ring, lower mould and the first fender material ring. And the upper die is positioned on the lower die after the first material blocking ring and the second material blocking ring are detached for post-treatment. According to the polyurethane rear guard plate remanufacturing die, more purposes of the die are realized by detachably arranging the first material blocking ring and the second material blocking ring, and more importantly, the cost required for manufacturing the die is saved.
Description
Technical Field
The utility model belongs to the technical field of mould improvement, and particularly relates to a polyurethane backplate remanufacturing mould.
Background
When the rubber backplate for the pump is manufactured, a lower die, a middle die and an upper die are connected with each other to form a required die. In the specific application process, firstly, the framework is placed on the lower die, and a plurality of mounting plugs fixed on the framework are utilized to be positioned on the lower die. And then placing the middle die on the lower die, positioning the middle die on the lower die through the spigot, preheating the lower die and the middle die, filling glue after preheating, covering an upper die plate after filling glue, positioning the upper die plate on the lower die through a limiting pin, a guide sleeve and the like, and finally vulcanizing and forming on a vulcanizing machine to finish the preparation of the rubber part.
However, when the backplate needs to be made of different materials, such as polyurethane, the shape and structure of the mold are fixed, so that the original mold cannot be used normally or the material is wasted, and the mold is opened again for a new process, which can certainly generate a large cost investment and possibly affect the production efficiency.
Disclosure of Invention
The utility model aims to provide a polyurethane backplate remodelling die, which aims to solve the problem of high cost required by die opening aiming at a new process.
In order to achieve the above purpose, the utility model adopts the following technical scheme: providing a polyurethane backplate remanufacturing mold comprising:
a lower die;
the middle die is connected to the top surface of the lower die and is arranged along the circumferential direction of the lower die;
the first material blocking ring is detachably clamped on the top surface of the middle die;
the second material blocking ring is detachably connected to the middle part of the lower die, is positioned at the inner side of the middle die, and is used for forming a pouring cavity for pouring polyurethane among the second material blocking ring, the lower die and the first material blocking ring;
and the upper die is positioned on the lower die after the first retaining ring and the second retaining ring are detached and is used for post-treatment.
In one possible implementation manner, a positioning groove is formed along the circumferential direction of the top surface of the middle die, and the first retaining ring is in clamping fit with the positioning groove.
In one possible implementation, the second retaining ring is detachably connected to the lower die by a positioning pin.
In one possible implementation, the positioning pin is detachably connected to the lower die, and the upper die is positioned on the lower die by a limiting pin after the positioning pin is detached.
In one possible implementation, the positioning pin penetrates through the second retaining ring and is in plug-in fit with the lower die.
In one possible implementation, a stop is provided in the middle of the upper die, and is used for abutting against the lower die after the second retaining ring is detached.
In one possible implementation, the bottom surface of the upper die is attached to the top surface of the middle die.
In one possible implementation, a skeleton is mounted on the lower die, and the skeleton is located inside the pouring cavity.
In one possible implementation manner, a plurality of mounting plugs are welded and fixed on the framework, and a plurality of mounting plugs are in plug-in fit with the lower die.
In one possible implementation, the middle die is snap-fitted with the lower die.
The polyurethane rear guard board remanufacturing die provided by the utility model has the beneficial effects that: compared with the prior art, the middle die in the polyurethane backplate reforming die is connected to the top surface of the lower die, and the middle die is arranged along the circumferential direction of the lower die. The middle die is detachably clamped with a first material blocking ring, the middle part of the lower die is detachably connected with a second material blocking ring, the second material blocking ring is positioned on the inner side of the middle die, and the upper die is fixed on the lower die after the first material blocking ring and the second material blocking ring are respectively detached.
In the practical application process, polyurethane can be injected into the formed pouring cavity, the upper die can be installed again by disassembling the first retaining ring and the second retaining ring, and finally the post-treatment is completed. According to the utility model, on the basis of the original mold, more purposes of the mold are realized by detachably arranging the first material blocking ring and the second material blocking ring, and more importantly, the cost required for manufacturing the mold is saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram showing connection between a lower die and an intermediate die when polyurethane is cast according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a post-processing backplate-modifying mold according to a second embodiment of the present utility model.
In the figure: 1. a lower die; 2. middle mold; 3. an upper die; 4. a first material blocking ring; 5. a second material blocking ring; 6. a positioning pin; 7. a limiting pin; 8. guide sleeve; 9. a skeleton; 10. a positioning groove; 11. and (5) installing a plug.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 and 2, a description will now be given of a polyurethane backplate modification mold provided by the present utility model. A polyurethane backplate remanufacturing mold comprising: the device comprises a lower die 1, a middle die 2, a first material blocking ring 4, a second material blocking ring 5 and an upper die 3. The middle die 2 is connected to the top surface of the lower die 1, and the middle die 2 is arranged along the circumferential direction of the lower die 1. The first material blocking ring 4 is detachably clamped on the top surface of the middle die 2. The second material blocking ring 5 is detachably connected to the middle of the lower die 1, the second material blocking ring 5 is located on the inner side of the middle die 2, and a pouring cavity for pouring polyurethane is formed among the second material blocking ring 5, the lower die 1 and the first material blocking ring 4. The upper die 3 is positioned on the lower die 1 after the first retaining ring 4 and the second retaining ring 5 are detached for post-treatment.
The polyurethane rear guard board remanufacturing die provided by the utility model has the beneficial effects that: compared with the prior art, in the polyurethane backplate reforming mould, the middle mould 2 is connected to the top surface of the lower mould 1, and the middle mould 2 is arranged along the circumferential direction of the lower mould 1. The middle die 2 is detachably clamped with a first material blocking ring 4, the middle part of the lower die 1 is detachably connected with a second material blocking ring 5, the second material blocking ring 5 is positioned on the inner side of the middle die 2, and after the first material blocking ring 4 and the second material blocking ring 5 are respectively detached, the upper die 3 is fixed on the lower die 1.
In the practical application process, polyurethane can be injected into the formed pouring cavity, and the upper die 3 can be installed again by disassembling the first retaining ring 4 and the second retaining ring 5, so that the post-treatment is finally completed. According to the utility model, on the basis of the original mold, through the detachable arrangement of the first material blocking ring 4 and the second material blocking ring 5, more purposes of the mold are realized, and more importantly, the cost required for manufacturing the mold is saved.
In the utility model, in order to reduce the die opening cost, only the middle die 2 is slightly changed, so that the lower die 1, the middle die 2 and the upper die 3 can be used for molding materials such as polyurethane and the like, and finally the purchase cost of the die is reduced.
In some embodiments of the polyurethane backplate reforming mold provided by the utility model, referring to fig. 1 and 2, a positioning groove 10 is formed along the circumferential direction of the top surface of the middle mold 2, and the first retaining ring 4 is in clamping fit with the positioning groove 10. The first material blocking ring 4 needs to be detachably clamped on the middle die 2, and after polyurethane is poured and hardened to a certain degree, the first material blocking ring 4 and the second material blocking ring 5 can be installed on the original upper die 3 plate after being detached, so that positioning can be completed under the condition that the shape and the structure of the upper die 3 are not changed.
In order to facilitate the installation of the first material blocking ring 4, a positioning groove 10 with an annular structure is formed in the top surface of the middle die 2, and after the first material blocking ring 4 is installed in the positioning groove 10, the position of the first material blocking ring 4 can be stabilized. It should be noted that, after the first material blocking ring 4 is safely completed, the upper surface of the first material blocking ring 4 is higher than the top surface of the middle mold 2.
In some embodiments of the polyurethane backplate remanufacturing mold provided by the present disclosure, referring to fig. 1, a second retaining ring 5 is detachably connected to the lower mold 1 through a positioning pin 6.
When a different process, namely polyurethane pouring, is adopted, if the second material blocking ring 5 is not adopted, no component is arranged at the middle position of the lower die 1, and if polyurethane pouring is directly carried out, polyurethane exists at the middle position of the lower die 1, so that unnecessary waste is caused. Therefore, the middle part of the lower die 1 is detachably connected with the second material blocking ring 5, and polyurethane can only be filled in the pouring cavity due to the existence of the second material blocking ring 5. After the polyurethane has completely hardened, relief holes are then formed in the middle of the final finished product.
In the practical application process, the second material blocking ring 5 and the lower die 1 are coaxially arranged, and finally the precision of the yielding hole is ensured.
In some embodiments of the polyurethane backplate reforming mold provided by the present utility model, referring to fig. 1, a positioning pin 6 is detachably connected to a lower mold 1, and an upper mold 3 is positioned on the lower mold 1 by a limiting pin 7 after the positioning pin 6 is detached.
The purpose of the locating pin 6 in the utility model is to locate the second material blocking ring 5 on the lower die 1, a communication hole is formed at the center of the second material blocking ring 5 based on the reasons, the locating pin 6 is in plug-in fit with the communication hole, and the bottom end of the locating pin 6 is connected to the lower die 1, thereby completing the location of the second material blocking ring 5 and the lower die 1.
For more detailed explanation, a mounting hole is formed in the center of the lower die 1, and for positioning accuracy and service life, a guide sleeve 8 is clamped on the inner wall of the top of the mounting hole, that is, the guide sleeve 8 is in plug-in fit with the positioning pin 6, and at the moment, the inner diameter of the guide sleeve 8 is smaller than that of the mounting hole.
In some embodiments of the polyurethane backplate reforming mold provided by the present utility model, referring to fig. 1, the positioning pins 6 penetrate the second retaining ring 5 and are in plug-in fit with the lower mold 1.
The positioning pin 6 is a key for ensuring that the second material blocking ring 5 is stably installed on the lower die 1, and for more detailed description, the positioning pin 6 firstly penetrates through the second material blocking ring 5, and the bottom end of the positioning pin is in plug-in fit with the guide sleeve 8 on the lower die 1 after penetrating through the second material blocking ring 5. And in order to facilitate the dismantlement of locating pin 6, the top of locating pin 6 is equipped with the end cap, and the bottom surface butt of end cap is at the top surface of second fender material ring 5 to end cap and locating pin 6 integrated into one piece, thereby improved joint strength.
In some embodiments of the polyurethane backplate reforming mold provided by the present utility model, referring to fig. 2, a stop is provided at the middle of the upper mold 3, and the stop is used to abut against the lower mold 1 after the second retaining ring 5 is detached.
According to the utility model, the middle die 2 is provided with the rear guard plate for manufacturing the pump, when the rear guard plate is made of rubber materials, a yielding hole for avoiding components such as a shaft is required to be formed in the middle of the rear guard plate, for the above reasons, a stop block is arranged in the middle area of the upper die 3, when the upper die 3 is arranged on the lower die 1, the stop block in the middle of the upper die 3 can be closely abutted against the lower die 1, the addition of rubber raw materials is facilitated due to the existence of the stop block, and meanwhile, the precision of a formed rubber piece is ensured.
In some embodiments of the polyurethane backplate reforming mold provided by the present utility model, referring to fig. 1 and 2, the bottom surface of the upper mold 3 is attached to the top surface of the middle mold 2. To ensure tightness and precision of the final product, the top surface of the middle mold 2 is horizontal, while the bottom surface of the upper mold 3 is also horizontal. After the upper die 3 is installed, the bottom surface of the upper die 3 is attached to the top surface of the middle die 2, so that the problems of gaps and the like between the middle die 2 and the upper die 3 are avoided.
Handles which are convenient to move are fixed on the peripheral surfaces of the lower die 1, the middle die 2 and the upper die 3 for convenient operation.
In some embodiments of the polyurethane backplate reforming mold provided by the present utility model, referring to fig. 1 and 2, a skeleton 9 is mounted on the lower mold 1, and the skeleton 9 is located inside the casting cavity. The skeleton 9 is a key to ensuring the structural strength of the final backplate finished product, and therefore the skeleton 9 needs to be positioned in the casting cavity before casting, and the skeleton 9 needs to be fixed in a specific position of the lower die 1 in advance in general. And a plurality of mounting blocks 11 for mounting and positioning with other members are provided on the frame 9.
In some embodiments of the polyurethane backplate reforming mold provided by the utility model, referring to fig. 1 and 2, a plurality of mounting plugs 11 are welded and fixed on the framework 9, and the plurality of mounting plugs 11 are in plug-in fit with the lower mold 1.
The plurality of mounting plugs 11 on the framework 9 are welded and fixed on the bottom surface of the framework 9, the connection strength between the mounting plugs 11 and the framework 9 can be ensured through welding and fixation, and in order to ensure the positioning accuracy, the axes of the plurality of mounting plugs 11 are required to be arranged in parallel.
In some embodiments of the polyurethane backplate reforming mold provided by the present utility model, referring to fig. 1, a middle mold 2 is engaged with a lower mold 1. And a limit groove is formed in the periphery of the outer edge of the top of the lower die 1, and when the middle die 2 is inserted into the limit groove, the installation and positioning between the middle die 2 and the lower die 1 can be completed. And the upper die 3 ensures the positioning accuracy relative to the lower die 1 through the limiting pin 7.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. Polyurethane backplate reforms mould, its characterized in that includes:
a lower die;
the middle die is connected to the top surface of the lower die and is arranged along the circumferential direction of the lower die;
the first material blocking ring is detachably clamped on the top surface of the middle die;
the second material blocking ring is detachably connected to the middle part of the lower die, is positioned at the inner side of the middle die, and is used for forming a pouring cavity for pouring polyurethane among the second material blocking ring, the lower die and the first material blocking ring;
and the upper die is positioned on the lower die after the first retaining ring and the second retaining ring are detached and is used for post-treatment.
2. The polyurethane backplate adaptation mould of claim 1, wherein a locating groove is formed along the circumference of the top surface of the middle mould, and the first retaining ring is in clamping fit with the locating groove.
3. The polyurethane backplate reforming mold of claim 1, wherein the second retaining ring is removably attached to the lower die by a dowel pin.
4. The polyurethane backplate reforming mold of claim 3, wherein the dowel pins are removably attached to the lower die, and the upper die is positioned on the lower die by dowel pins after the dowel pins are removed.
5. The polyurethane backplate reforming mold of claim 4, wherein the locating pins extend through the second retaining ring and are in mating engagement with the lower die.
6. The polyurethane backplate reforming die of claim 1, wherein a stop is provided in the middle of the upper die for abutting against the lower die after the second stop ring is removed.
7. The polyurethane backplate reforming mold of claim 1, wherein the bottom surface of the upper die is positioned in conforming relation to the top surface of the middle die.
8. The polyurethane backplate modification mold of claim 1, wherein a skeleton is mounted on the lower mold, the skeleton being located inside the casting cavity.
9. The polyurethane backplate adaptation mould of claim 8, wherein a plurality of mounting plugs are welded and fixed on the skeleton, and a plurality of the mounting plugs are in plug-in fit with the lower mould.
10. The polyurethane backplate reforming mold of claim 1, wherein the middle die is snap-fit with the lower die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321270049.XU CN219789016U (en) | 2023-05-23 | 2023-05-23 | Polyurethane backplate reforms mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321270049.XU CN219789016U (en) | 2023-05-23 | 2023-05-23 | Polyurethane backplate reforms mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219789016U true CN219789016U (en) | 2023-10-03 |
Family
ID=88150460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321270049.XU Active CN219789016U (en) | 2023-05-23 | 2023-05-23 | Polyurethane backplate reforms mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219789016U (en) |
-
2023
- 2023-05-23 CN CN202321270049.XU patent/CN219789016U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201880875U (en) | Stripping plate mounting structure for machine molding | |
| CN219789016U (en) | Polyurethane backplate reforms mould | |
| CN215359722U (en) | Injection mold for automobile electric control connecting assembly with annular back-off demolding mechanism | |
| CN102059322B (en) | Die and method for casting cold core box of full-enclosed diesel engine block sand core | |
| CN217252715U (en) | Precise die-casting die for pump shell of power spraying machine | |
| CN106040853B (en) | A kind of shaping mold and its shaping method of automobile head cover | |
| CN111136224B (en) | Method for fixing sand core on metal mold | |
| CN213972270U (en) | High-efficient injection mold convenient to drawing of patterns | |
| CN111745794B (en) | Box culvert mould of shield tunnel | |
| CN209521197U (en) | A kind of detachable insert structure of mobile phone injection mold | |
| CN112355267A (en) | Vertical centrifugal casting machine multimode casting device | |
| CN206677097U (en) | One kind automation pier wrap molding mould | |
| CN220463550U (en) | Pin-connected panel mould for resin pouring | |
| CN221271823U (en) | Steering wheel foaming forming die | |
| CN201136246Y (en) | Low-opening lowactive die for giant tyre | |
| CN209504699U (en) | A kind of mold making motor brush rocker | |
| CN218193395U (en) | Welding repair positioning structure for process window | |
| CN218700822U (en) | EPP material position sleeve for injection mold | |
| CN220280367U (en) | Mould structure of sealing washer | |
| CN218053794U (en) | Mould for manufacturing tray | |
| CN215589810U (en) | Empty filter guide housing forming die of car | |
| CN219883160U (en) | Barrel plastic part injection mold with anti-deformation uniform cooling mechanism | |
| CN216635243U (en) | Front rubber cushion assembly vulcanization mold | |
| CN216732324U (en) | Mirror image bay window component mould | |
| CN217144727U (en) | Integrated injection molding pepper cover injection mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |