CN209738184U - Mould of easily drawing of patterns - Google Patents
Mould of easily drawing of patterns Download PDFInfo
- Publication number
- CN209738184U CN209738184U CN201920395493.1U CN201920395493U CN209738184U CN 209738184 U CN209738184 U CN 209738184U CN 201920395493 U CN201920395493 U CN 201920395493U CN 209738184 U CN209738184 U CN 209738184U
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- plate
- injection molding
- mold
- push
- mold plate
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Abstract
the utility model provides a mould easy to demould, which comprises an upper template, a lower template, a supporting connection mechanism and a push-out structure, when the mould is opened, the upper template is opened, the push plate is pushed to move towards the upper template through the supporting connection mechanism, the push plate drives a push rod and a lifter buckle type structure to move towards the upper template, the lifter buckle type structure slides on a slide way of the push plate under the action of the push plate, one end of the ejector rod with a hook is buckled on an injection molding piece, so that the ejector rod moves along the slide way in the process of ejecting the injection molding piece, the injection molding piece can be pushed to be separated from the lower template together with the top of the push rod, when the push plate moves to the maximum distance, the lifter buckle type structure can not fall off, the hook of the ejector rod is still buckled with the injection molding piece, the problem that the injection molding piece with the hook or the position of the buckle is cracked when being pushed out is avoided, the defective products are avoided, and the qualification rate of the injection molding parts is improved.
Description
Technical Field
The utility model relates to a mould of spare part processing makes the field, concretely relates to mould of easy drawing of patterns.
Background
The mold industry is the basic industry of national economy, has the title of "mother of industry", is the industry of never dying, and the development level of the mold industry marks one national industrial level and product development ability. The development of the mold industry in China is over half a century from the beginning to the end, the development speed is very quick, and the mold industry in China is initially scaled at present. In recent years, research and study on mold technology have been performed favorably. The development of the mold design and manufacturing technology in China goes through a manual workshop manufacturing stage, an industrial production stage and a modern production stage. Along with the rapid development of computer technology, the digital and information die CAD/CAE/CAM technology and the numerical control machine tool are commonly adopted, and the die industry is in a high-speed development stage.
In the process of production and application at present, parts with special structures, such as parts of a mobile phone shell, a mouse shell, a radio rear shell, a curved shell and the like, are frequently produced, and the parts have special structures. If the mobile phone shell is provided with an inner hook and an outer hook, the radio rear shell has various special shapes and also has an inclined ejection structure and the like, when the mobile phone shell is demolded, the structures such as the hooks or the buckles adopt a general ejection mechanism, when the hooks or the buckles are ejected obliquely, the structures such as the hooks and the buckles are easily pressed by the ejector rod due to insufficient space, and are fragile, and under the pressing of the ejector rod, the structures of the hooks or the inclined ejection are damaged, so that the hooks and the plastic part can be connected and can not be pushed out or can be directly pushed out, and the broken products are generated, thereby causing the problem of low qualification rate.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model aims to provide a mould which is not easy to damage and easy to demould when a part with a special structure is released,
The utility model provides a mould easy to demould, comprising an upper template, a lower template, a supporting connection mechanism and a push-out structure, wherein the upper template covers the lower template, the push-out structure comprises a push plate, a push rod and a slanted ejecting buckle type structure which are arranged on the push plate and used for pushing an injection molding piece when the mould is opened, the push plate is provided with a slide way, the slanted ejecting buckle type structure comprises an ejector rod with a hook, the lower template is provided with a hole for the push rod and the ejector rod to pass through, one end of the ejector rod with the hook is buckled on the injection molding piece, the other end of the ejector rod is slidably arranged on the slide way, the supporting connection mechanism is connected with the lower template, the push rod of the push-out structure passes through the hole on the lower template and can move up and down relative to the lower template, the push plate moves up to push the push rod and the ejector rod to, thereby pushing the injection molding piece to be separated from the lower template.
The side core-pulling mechanism is movably installed on the lower template, the upper template is provided with a connecting portion used for compressing the side core-pulling mechanism, the connecting portion of the upper template leaves the side core-pulling mechanism when the mold is opened, the side core-pulling mechanism moves, and core pulling is conducted on the injection molding piece.
The side core-pulling structure comprises a moving block, a bolt and a spring, wherein the moving block is in contact with the injection molding piece, a mounting groove and a mounting piece are formed in the lower template, the bolt can penetrate through the mounting piece, the moving block is movably mounted on the mounting groove, the bolt penetrates through the mounting piece and is connected with the moving block, the spring is sleeved in the bolt and is located between the bolt and the mounting piece, the connecting portion of the upper template compresses the moving block, the spring acts on the bolt in the mold opening state, the bolt drives the moving block to move outwards, and core pulling of the injection molding.
The movable block is provided with a slant hole, the connecting portion is a guide pillar matched with the slant hole, the guide pillar is inserted into the slant hole along with the upper die plate cover, the movable block cannot move transversely, the guide pillar leaves the movable block, and the movable block moves outwards under the action of the spring to realize core pulling of the injection molding piece.
The upper die plate is provided with a plurality of water flow channels, and the water flow channels are arranged in the upper die plate and used for cooling the die and the injection molding piece.
The upper template and the lower template form four different cavities together.
The pouring system comprises a pouring gate, a main runner and a plurality of sub-runners, the pouring gate is arranged on the upper template, the main runner and the sub-runners are arranged on the lower template, the pouring gate is connected with the main runner, the main runner is connected with all the sub-runners, and all the sub-runners are respectively connected with different cavities.
The supporting and connecting mechanism comprises a bottom plate and two supporting blocks, the two supporting blocks are respectively connected with two side faces of the push plate in the same horizontal direction, the upper surface of the bottom plate is connected with the bottom face of the push plate and the bottom faces of the supporting blocks, the upper surfaces of the two supporting blocks 4 are connected with the lower template, and the push plate can move up and down along the side faces of the supporting blocks 4.
The pouring device further comprises a top template, the top template is connected with the upper template and tightly presses the upper template, and the pouring gate is arranged on the top template.
the push-out structure further comprises a reset rod which is pushed down to reset, the lower end of the reset rod is installed on the push plate, a through hole which can be passed by the reset rod is formed in the lower template, a limiting hole which limits the upper end of the reset rod when the upper template is covered is formed in the upper template, and the upper end of the reset rod passes through the lower template and is in contact with the limiting hole of the upper template under the state that the upper template covers the lower template, so that the push-out mechanism resets.
The utility model has the advantages that:
The utility model provides a mould easy to demould, which comprises an upper template, a lower template, a supporting and connecting mechanism and a push-out structure, wherein the upper template covers the lower template when the mould is closed, the push-out mechanism is in an initial state, and a push rod and a pitched roof buckle type structure are in a non-push-out state; when the mold is opened, the upper mold plate is opened, the push plate of the push-out structure is pushed to move towards the upper mold plate through the supporting and connecting mechanism, the push plate drives the push rod on the push plate and the obliquely-ejecting buckle-type structure to move towards the upper mold plate, the obliquely-ejecting buckle-type structure is under the action of the push plate, one end of the ejector rod slides on the slide way of the push plate, the end of the ejector rod with the clamping hook is buckled on the injection molding part, so that in the process of ejecting the injection molding part, one end of the ejector rod moves along the slide way, the injection molding part can be pushed to be separated from the lower mold plate together with the top of the push rod, when the push plate moves to the maximum distance, the obliquely-ejecting buckle-type structure cannot fall off, the clamping hook of the ejector rod is still buckled with the injection molding part, the buckling position of the clamping hook and the injection molding part is manually and directly disassembled, so, the defective products are avoided, and the qualification rate of the injection molding parts is improved.
drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is a schematic structural view of a mold easy to demold according to the present invention;
fig. 2 is an exploded view of a view of an easy-to-demold mold of the present invention;
Fig. 3 is a schematic structural view of the push-out structure of the present invention;
Fig. 4 is an exploded view of another perspective of the mold of the present invention for easy demolding.
The reference numerals in fig. 1 to 4 are as follows:
1. A top template; 11. a pouring gate; 2. mounting a template; 21. a cooling system; 22. a guide post; 3. a lower template; 31. a connecting portion; 32. a moving block; 321. an inclined hole; 33. a main flow channel; 34. a shunt channel; 4. a support block; 5. pushing the plate; 51. a push rod; 52. a reset lever; 53. a top rod; 54. a slideway; 6. a base plate.
Detailed Description
The invention will be further described with reference to the following examples.
As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a mould of easy drawing of patterns, including top board 1, cope match-plate pattern 2, lower bolster 3, side structure of loosing core, support coupling mechanism and release structure, the side structure of loosing core to the side of injection molding when the structure of loosing core is used for the drawing of patterns mainly looses core to some structures that need side trompil or side fluting. The push-out structure is used for releasing the injection molding piece from the lower template 3 after the mold is opened. The upper template 2 and the lower template 3 are covered to jointly form four different cavities, the four cavities can form four different injection molding parts, so that the four injection molding parts can be obtained by one-time injection molding in the processing production, and the working efficiency is improved.
As shown in fig. 4, four different cavities formed by the upper mold plate 2 and the lower mold plate 3 together are provided with a pouring system, the pouring system includes a pouring gate 11, a main runner 33 and four branch runners 34, the pouring gate 11 is provided on the upper mold plate 2, the main runner 33 and the four branch runners 34 are provided on the lower mold plate 3, the pouring gate 11 is connected with the main runner 33, the main runner 33 is connected with the four branch runners 34, the four branch runners 34 respectively correspond to the four cavities, and each branch runner 34 is connected with the corresponding cavity, so that four different cavities are poured, and an injection molding effect is achieved.
The top template 1 is connected with the upper template 2 and tightly presses the upper template 2, and the pouring gate 11 is arranged on the top template 1. The top template 1 is convenient for installing the sprue gate 11, and is convenient for compressing the upper template 2 and the lower template 3, so that the gap between the upper template 2 and the lower template 3 is reduced, and flash and burrs are prevented. The top die plate 1 and the upper die plate 2 may be formed together.
As shown in fig. 3, the push-out structure includes a push plate 5, a push rod 51 installed on the push plate 5 for pushing the injection molding member when the mold is opened, an obliquely-ejecting buckling structure and a reset rod 52 for resetting, a slide 54 is provided on the push plate 5, the obliquely-ejecting buckling structure includes a push rod 53 with a hook, a hole for the push rod 51 and the push rod 53 to pass through is provided on the lower mold plate 3, one end of the push rod 53 with the hook is buckled on the injection molding member, and the other end of the push rod 53 is slidably installed on the slide 54. The top bar 53 is mainly used for some structures which need to be provided with a buckle at the outside or a clamping hook at the inside, the ejector rod 53 is connected with the lower template 3 through the supporting and connecting mechanism, the push-out structure is connected with the supporting and connecting mechanism, so that the push rod 51 of the push-out structure passes through the hole on the lower die, and can move up and down relative to the lower template 3, the push plate 5 moves up to push the push rod 51 and the ejector rod 53 to move up, the ejector rod 53 slides along the slideway 54, the ejector rod 53 can adjust the angle between the ejector rod 53 and the injection molding part by sliding in the slideway 54 in the process of demolding the injection molding part, thereby pushing the injection molding part to smoothly separate from the lower template 3, and then manually separating the position of the clamping hook of the ejector rod 53 and the buckle of the injection molding part, thereby realize the complete drawing of patterns to the injection molding, avoided the ejecting problem that the qualification rate that the harm caused to the injection molding caused descends of ejector pin 53. The reset rod 52 is provided with four, the lower ends of the four reset rods 52 are respectively installed on the push plate 5, a through hole through which the reset rod 52 can pass is formed in the lower template 3, a limiting hole for limiting the upper end of the reset rod 52 is formed when the upper template 2 can be covered, the upper end of the reset rod 52 passes through the lower template 3 and contacts with the limiting hole of the upper template 2 in the state that the upper template 2 covers the lower template 3, so that the push-out mechanism returns to the initial position, the push rod 52 pushes the push-out structure to move downwards, the push rod 53 moves on the slide way 54, the position of the push rod 53 on the slide way 54 returns to the initial position, and the push-out operation for releasing the injection molding piece is facilitated after the next injection molding.
The injection molding piece on the lower template 3 is demolded under the effect of the push-out structure, and the push-out structure is required to move upwards for a certain distance. The supporting and connecting mechanism is suitable for supporting the lower template 3 and providing enough space for the pushing structure to move upwards. The supporting and connecting mechanism comprises a bottom plate 6 and two supporting blocks 4, the two supporting blocks 4 are respectively connected with two side faces of the push plate 5 in the same horizontal direction, the upper surface of the bottom plate 6 is connected with the bottom face of the push plate 5 and the bottom face of the supporting blocks 4, the upper surfaces of the two supporting blocks 4 are connected with the lower template 3, and the push plate 5 can move up and down along the side faces of the two supporting blocks 4. The two supporting blocks 4 are used for supporting the lower template 3, and meanwhile, the two supporting blocks 4 also enable a space in the vertical direction to exist between the push plate 5 and the lower template 3, so that the space for the push plate 5 to move up and down can be provided, the push plate 5 moves up, and the push rod 51 and the ejector rod 53 on the push-out mechanism act on the injection molding part, so that the injection molding part can be demoulded with the lower template 3. The two support blocks 4 may also be integrally formed with the base plate 6.
Preferably, a cooling system 21 with a plurality of water flow channels arranged in the upper mold is arranged in the upper mold plate 2, and the cooling system 21 is used for cooling the mold and the injection molding part. The cooling system 21 comprises four water flow channels which are transversely arranged in the upper template 2 and one water flow channel which is longitudinally arranged in the upper template 2, and in the process of injection molding, cooling liquid is introduced into the water flow channels to cool the upper template 2, so that the molding cycle of the injection molding part is shortened, the production efficiency is improved, and meanwhile, the injection molding part is prevented from being deformed or broken due to internal stress generated by the injection molding part due to nonuniform heating in the injection molding process.
As shown in fig. 2 and 4, the side core-pulling structure is movably mounted on the lower mold plate 3, the upper mold plate 2 is provided with a connecting portion 31 for compressing the side core-pulling structure, when the mold is opened, the connecting portion 31 of the upper mold plate 2 leaves the side core-pulling structure, and the side core-pulling structure moves to perform core pulling on the injection molding piece. Specifically, the method comprises the following steps: the core-pulling mechanism comprises a moving block 32, a bolt and a spring, wherein the moving block 32 is in contact with an injection molding piece, a mold core inserted with an injection molding piece is arranged on the moving block 32, an inclined hole 321 is arranged in the moving block 32, the connecting part 31 is a guide post 22 matched with the inclined hole 321, the lower template 3 is provided with an installation groove and an installation part for a bolt to pass through, the moving block 32 is movably arranged on the installation groove, the bolt passes through the installation part and is connected with the moving block 32, the spring is sleeved in the bolt and is positioned between the bolt and the installation part, the connecting part 31 of the upper template 2 presses the moving block 32, when the die is closed, the guide post 22 is inserted into the inclined hole 321 along with the upper template 2, the inclined hole 321 is limited, so that the moving block 32 cannot move transversely, at the moment, the moving block 32 is located at the farthest end, the bolt is close to the mounting piece, the spring is compressed, and the spring has an outward acting force on the bolt; in the mold opening state, the guide pillar 22 leaves the inclined hole 321 of the moving block 32, at the moment, the moving block 32 can move freely, the compressed spring has an outward acting force on the bolt, so that the bolt moves outwards, the bolt drives the moving block 32 to move outwards while moving outwards, and a mold core on the moving block 32 is driven to be pulled away from the injection molding part, so that core pulling on the side surface of the injection molding part is realized, the injection molding part is not influenced in the core pulling process, demolding is completed in the mold opening process, the later push-out structure is not influenced, and demolding is performed on the injection molding part. When the mold is closed, the guide post 22 is inserted into the inclined hole 321 again while the upper mold plate 2 is closed, so that the moving block 32 is reset, and the next injection molding is conveniently performed.
It is right above the utility model relates to an easy drawing of patterns's mould has carried out the detailed introduction, and it is right to have used specific individual example in this paper the utility model discloses a principle and embodiment have been expounded. The above description of the embodiments is only for assisting understanding of the core ideas of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. a mold easy to demold comprises an upper mold plate, a lower mold plate, a supporting and connecting mechanism and a pushing-out structure, wherein the upper mold plate is covered on the lower mold plate, the pushing-out structure comprises a push plate, a push rod and an inclined ejection buckling structure, the push rod and the inclined ejection buckling structure are mounted on the push plate and used for pushing an injection molding part during mold opening, a slide way is arranged on the push plate, the inclined ejection buckling structure comprises an ejector rod with a clamping hook, a hole for the push rod and the ejector rod to pass through is formed in the lower mold plate, one end of the ejector rod with the clamping hook is buckled on the injection molding part, the other end of the ejector rod is slidably mounted on the slide way, the supporting and connecting mechanism is connected with the lower mold plate, the pushing-out structure is connected with the supporting and connecting mechanism, the push rod of the pushing-out structure can pass through the hole in the lower mold, thereby pushing the injection molding piece to be separated from the lower template.
2. The mold easy to demold according to claim 1, further comprising a side core pulling structure for pulling a side surface of the injection molding part, wherein the side core pulling structure is movably mounted on the lower mold plate, the upper mold plate is provided with a connecting portion for pressing the side core pulling structure, when the mold is opened, the connecting portion of the upper mold plate leaves the side core pulling structure, and the side core pulling structure moves to pull the injection molding part.
3. The mold easy to demold according to claim 2, wherein the side core pulling structure comprises a moving block, a bolt and a spring, the moving block is in contact with the injection molding piece, a mounting groove and a mounting piece for the bolt to pass through are formed in the lower mold plate, the moving block is movably mounted on the mounting groove, the bolt passes through the mounting piece and is connected with the moving block, the spring is sleeved in the bolt and is located between the bolt and the mounting piece, the connecting portion of the upper mold plate presses the moving block, in the mold opening state, the spring acts on the bolt, and the bolt drives the moving block to move outwards to achieve core pulling of the injection molding piece.
4. The mold easy to demold according to claim 3, wherein the moving block is provided with an inclined hole therein, the connecting portion is a guide post matched with the inclined hole, the guide post is inserted into the inclined hole along with the upper mold plate, so that the moving block cannot move laterally, the guide post leaves the moving block, and under the action of the spring, the moving block moves outwards to realize core pulling of the injection molding piece.
5. the easy-to-demold mold of claim 1 wherein the upper mold plate has a cooling system comprising a plurality of water flow channels formed therein for cooling the mold and the injection molded part.
6. The easy-to-demold mold of claim 1 wherein the upper and lower mold plates together define four distinct cavities.
7. The mold easy to demold according to claim 6, wherein the upper mold plate and the lower mold plate together form a cavity in which a gating system is disposed, the gating system comprises a gate, a main runner and a plurality of sub-runners, the gate is disposed on the upper mold plate, the main runner and the sub-runners are disposed on the lower mold plate, the gate is connected to the main runner, the main runner is connected to all the sub-runners, and each sub-runner is connected to a different cavity.
8. The mold of claim 1, wherein the support connection mechanism comprises a bottom plate and two support blocks, the two support blocks are respectively connected with two side surfaces of the push plate in the same horizontal direction, the upper surface of the bottom plate is connected with the bottom surface of the push plate and the bottom surface of the support blocks, the upper surfaces of the two support blocks are connected with the lower mold plate, and the push plate can move up and down along the side surfaces of the support blocks.
9. The easy-to-demold mold of claim 7 further comprising a top plate, said top plate being connected to the top plate and pressing against the top plate, said nozzle being provided on the top plate.
10. The mold easy to demold according to claim 1, wherein the ejecting structure further comprises a reset rod for pushing down to reset, the lower end of the reset rod is mounted on the push plate, the lower mold plate is provided with a through hole for the reset rod to pass through, the upper mold plate is provided with a limiting hole for limiting the upper end of the reset rod when the upper mold plate is closed, and the upper end of the reset rod passes through the lower mold plate and contacts with the limiting hole of the upper mold plate when the upper mold plate is closed, so that the ejecting mechanism is reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920395493.1U CN209738184U (en) | 2019-03-26 | 2019-03-26 | Mould of easily drawing of patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920395493.1U CN209738184U (en) | 2019-03-26 | 2019-03-26 | Mould of easily drawing of patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209738184U true CN209738184U (en) | 2019-12-06 |
Family
ID=68718585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920395493.1U Expired - Fee Related CN209738184U (en) | 2019-03-26 | 2019-03-26 | Mould of easily drawing of patterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209738184U (en) |
-
2019
- 2019-03-26 CN CN201920395493.1U patent/CN209738184U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 Termination date: 20210326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |