CN214521677U - Injection mold with pull rod demoulding structure - Google Patents
Injection mold with pull rod demoulding structure Download PDFInfo
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- CN214521677U CN214521677U CN202120341624.5U CN202120341624U CN214521677U CN 214521677 U CN214521677 U CN 214521677U CN 202120341624 U CN202120341624 U CN 202120341624U CN 214521677 U CN214521677 U CN 214521677U
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- pull rod
- block
- demoulding
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Abstract
The utility model discloses an injection mold with a pull rod demolding structure, which comprises an upper mold plate and a lower mold group, wherein the lower mold group sequentially comprises a lower mold base, a baffle plate and two symmetrically arranged lower mold plates from bottom to top; the upper template is provided with an upper die cavity and a demoulding group, the demoulding group comprises a pull rod and a demoulding block sleeved with the pull rod, and the demoulding block is fixedly provided with a forming rod; when the die is closed, the forming rod is positioned in the upper die cavity and the lower die cavity, and the demolding block is positioned between the two lower die plates. The utility model discloses the structure is simple relatively, and it is uncomplicated to manufacture, can realize the shaping of intake pipe smoothly.
Description
Technical Field
The utility model belongs to the technical field of at the injecting glue mould and specifically relates to an injection mold with pull rod demoulding structure is related to.
Background
The injection mold can be divided into a cold runner mold and a hot runner mold according to a pouring system, and is divided into a thermosetting plastic mold and a thermoplastic plastic mold according to molding characteristics; according to the forming process, the method is divided into a transfer mold, a blow mold, a cast mold, a thermoforming mold, a hot pressing mold (compression mold), an injection mold, etc., wherein the hot pressing mold can be divided into a flash type, a semi-flash type and a non-flash type by flash type; the loading and unloading mode can be divided into a movable mode and a fixed mode.
Referring to fig. 1, an air inlet pipe 100 is shown, and the air inlet pipe 100 has a core hole 101, an air outlet 104, and a test hole 105. If a common die technology is adopted, the air inlet pipe 100 is formed by a die cavity, the core rod is formed to form the core hole 101, and the other core pulling pieces are used for forming the air outlet 104 and the test hole 105, and when the die is separated, the air cylinder and the sliding piece are needed to separate the plurality of core pulling pieces from the die cavity and the core rod, so that more parts are used, the structure is complex, the die manufacturing period is long, and the cost is high. A technician is required to design a mold with a relatively simple structure and low cost.
Disclosure of Invention
The utility model aims to solve the technical problem that an injection mold with pull rod demoulding structure is provided, the intake pipe by the cope match-plate pattern, take off the module, the injection moulding together of lower module, become the mould pole and the cope match-plate pattern can autosegregation when dividing the mould, then take out the intake pipe from becoming the pole department.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the injection mould with the pull rod demoulding structure comprises an upper mould plate and a lower mould group, wherein the lower mould group sequentially comprises a lower mould base, a partition plate and two symmetrically arranged lower mould plates from bottom to top; the upper template is provided with an upper die cavity and a demoulding group, the demoulding group comprises a pull rod and a demoulding block sleeved with the pull rod, and the demoulding block is fixedly provided with a forming rod; when the die is closed, the forming rod is positioned in the upper die cavity and the lower die cavity, and the demolding block is positioned between the two lower die plates.
As the utility model discloses further improve: the drawing of patterns piece be equipped with lockhole and locked groove, the shaping pole be equipped with shaping portion and wear the locking portion in the lockhole, the locked groove be equipped with the latch segment, the latch segment be equipped with the connecting hole, the connecting hole be equipped with the first bolt that locking portion is connected. The forming part is used for forming a core hole of the air inlet pipe; the locking part of the forming rod is inserted into the locking hole, the locking block is placed in the locking groove, and finally the first bolt penetrates into the locking part from the connecting hole of the locking block, so that the forming rod and the demolding block can be fixed together.
As the utility model discloses further improve: the demoulding block is provided with a step part, the step part is provided with a guide hole which is sleeved with the pull rod, the pull rod is provided with a head part, and the head part is positioned below the step part so as to prevent the step part from falling. After the pull rod passes through the guide hole, the upper end of the pull rod is fixed to the upper template; the guide hole can move up and down along the pull rod, after die separation, the upper die plate is separated from the demolding block, and the head of the pull rod can prevent the demolding block from falling downwards.
As the utility model discloses further improve: the upper die plate is provided with a pressing plate, a feeding hole and a threaded hole, and the upper end of the pull rod is connected with the threaded hole. The pressing plate is attached to the injection machine, and then the pressing plate is fixed by using a screw rod, so that the upper template is fixed on the injection machine; hot glue raw materials enter the upper die cavity and the lower die cavity from the feeding hole to be molded; the upper end of the pull rod is fixed at the threaded hole, and the pull rod can prevent the stripping module from falling after the mould is separated.
As the utility model discloses further improve: the lower die holder be equipped with the fixed orifices, the fixed orifices be equipped with the connecting block, down the core bar be equipped with the fixed part that inserts in the fixed orifices, the connecting block pass through second bolt and fixed connection with the fixed part. The fixing part of the lower core rod is inserted into one side of the fixing hole, the connecting block is placed into the other side of the fixing hole, and finally the second bolt penetrates into the fixing part from the connecting block, so that the lower core rod can be fixed on the lower die holder.
As the utility model discloses further improve: the lower core pulling rod is provided with a lower core pulling part, the partition board is provided with a movable hole, and the lower core pulling part penetrates through the movable hole and then enters the lower die cavity.
As the utility model discloses further improve: the lower die cavity is also provided with a lower forming column and an insert, and the insert is provided with an inner drawing hole.
The utility model has the advantages of the structure is simple relatively, and it is uncomplicated to manufacture, can realize the shaping of intake pipe smoothly. The method comprises the following steps: when the mold is separated, the lower template moves downwards to be separated from the upper template gradually, the partition plate is jacked up by a spring in the lower template, the partition plate is separated from the lower template, after the lower template is completely separated from the upper template, the demolding block is separated from the upper template due to the action of gravity, the demolding block is pulled by the pull rod and cannot fall, the cylinder is not used as auxiliary power for separating the demolding block from the upper template, the structure is simple, and the molding rod is more smooth and easy to separate from the upper mold cavity and the lower mold cavity. The lower die plates on the left side and the right side have the same structure, and 4 air inlet pipes can be formed in the lower die cavity at one time. The forming rod is used for forming a core hole of the air inlet pipe, the lower core pulling rod is used for forming an air outlet, and the inclined core pulling rod is used for forming a test hole.
When the die is separated, the lower die plate moves downwards, so that the inclined core rod, the sliding rod and the forming rod are separated from the lower die plate together, the inclined core rod is separated from the testing hole of the air inlet pipe under the action of gravity, the movement mode of the inclined core rod is inclined downwards, and the inclined core rod can move along the sliding rod because the strip hole is in clearance fit with the sliding rod, and finally the inclined core rod falls back into the lower die cavity to reset.
Drawings
FIG. 1 is a schematic front view of an air inlet duct;
FIG. 2 is a rear schematic view of the air inlet tube;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is an exploded view of the demolding unit;
FIG. 5 is an exploded view of the lower die set;
FIG. 6 is a schematic view of the present invention;
fig. 7 is a schematic cross-sectional view of the present invention;
fig. 8 is a schematic structural diagram of the present invention after mold splitting.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention 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 invention.
As shown in fig. 1-8: the injection mould with the pull rod demoulding structure comprises an upper mould plate 200 and a lower mould group 400, wherein the lower mould group 400 sequentially comprises a lower mould base 9, a partition plate 6 and two lower mould plates 5 which are symmetrically arranged from bottom to top, the lower mould plate 5 is provided with a lower mould cavity 52, the lower mould cavity 52 is provided with an inclined core-pulling rod 4 and a sliding hole 51, the sliding hole 51 is provided with a movable sliding rod 42, the inclined core-pulling rod 4 is provided with a long hole 41, the long hole 41 is sleeved with the sliding rod 42, and the lower mould base 9 is provided with a spring 91 which can jack up the partition plate 6 and a lower core-pulling rod 7 which penetrates into the lower mould cavity 52; the upper die plate 200 is provided with an upper die cavity 202 and a demoulding group 300, the demoulding group 300 comprises a pull rod 4 and a demoulding block 3 sleeved with the pull rod 4, and the demoulding block 3 is fixedly provided with a forming rod 1; when the die is closed, the forming rod 1 is positioned in the upper die cavity 202 and the lower die cavity 52, and the demoulding block 3 is positioned between the two lower die plates 5.
The demoulding block 3 is provided with a lock hole 33 and a lock groove 34, the forming rod 1 is provided with a forming part 12 and a locking part 11 penetrating into the lock hole 33, the lock groove 34 is provided with a locking block 2, the locking block 2 is provided with a connecting hole 22, and the connecting hole 22 is provided with a first bolt 21 connected with the locking part 11.
The stripping module 3 is provided with a step part 31, the step part 31 is provided with a guide hole 32 sleeved with the pull rod 4, the pull rod 4 is provided with a head part 41, and the head part 41 is positioned below the step part 31 so as to prevent the step part 31 from falling.
The upper die plate 200 is provided with a pressing plate 201, a feed inlet 204 and a threaded hole 203, and the upper end of the pull rod 4 is connected with the threaded hole 203.
The lower die holder 9 is provided with a fixing hole 92, the fixing hole 92 is provided with a connecting block 8, the lower core rod 7 is provided with a fixing part 72 inserted into the fixing hole 92, and the connecting block 8 is fixedly connected with the fixing part 72 through a second bolt.
The lower core-pulling rod 7 is provided with a lower core-pulling part 71, the clapboard 6 is provided with a movable hole 61, and the lower core-pulling part 71 passes through the movable hole 61 and then enters the lower die cavity 52. The lower core-pulling part 71 is used for forming the air outlet 104, after mold splitting, the partition plate 6 is jacked up by the spring 91 in the lower mold base 9, so the partition plate 6 is separated from the lower mold base 9, at the moment, the movable hole 61 is separated from the lower core-pulling part 71, and the partition plate 6 is connected with the lower mold plate 5, so the partition plate 6 can separate the lower core-pulling part 71 from the air outlet 104, and the purpose is to prevent the air outlet 104 from deforming (because the air outlet 104 has an inclined angle, if the partition plate 6 and the spring 91 are absent, during mold splitting, when the forming rod 1 takes the air inlet pipe 100 to leave the lower mold plate 5, the air outlet 104 is easy to deform when forcibly separating from the lower core-pulling part 71).
The lower cavity 52 is further provided with a lower forming post 53 and an insert 54, the insert 54 being provided with an internal draw hole 55. The internal drawing bore 55 of the insert 54 forms the plug 102 of the air inlet tube 100 and the lower forming post 53 forms the air inlet 103.
The utility model discloses main motion process is: during the mold closing, the hot glue raw material enters the upper mold cavity 202 and the lower mold cavity 52 for molding.
During the parting, lower bolster 5 moves down and separates with cope match-plate pattern 200 gradually, baffle 6 is by spring 91 jack-up in the die holder 9, so baffle 6 separates with die holder 9, after lower bolster 5 and cope match-plate pattern 200 separate completely, drawing of patterns piece 3 is because action of gravity and with cope match-plate pattern 200 separation, it can not drop to take off module 3 this moment being drawn by pull rod 4, the workman just takes out the intake pipe 100 of shaping pole 1 department (although shaping pole 1 has the bending structure, but because intake pipe 100 adopts the soft sizing material, and intake pipe 100 still is at higher temperature this moment, its texture is soft, so can take out by force).
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The injection mould with the pull rod demoulding structure comprises an upper mould plate and a lower mould group, and is characterized in that the lower mould group sequentially comprises a lower mould base, a partition plate and two symmetrically arranged lower mould plates from bottom to top, the lower mould plate is provided with a lower mould cavity, the lower mould cavity is provided with an inclined core pulling rod and a sliding hole, the sliding hole is provided with a movable sliding rod, the inclined core pulling rod is provided with a long hole, the long hole is sleeved with the sliding rod, and the lower mould base is provided with a spring capable of jacking the partition plate and a lower core pulling rod penetrating into the lower mould cavity; the upper template is provided with an upper die cavity and a demoulding group, the demoulding group comprises a pull rod and a demoulding block sleeved with the pull rod, and the demoulding block is fixedly provided with a forming rod; when the die is closed, the forming rod is positioned in the upper die cavity and the lower die cavity, and the demolding block is positioned between the two lower die plates.
2. The injection mold with the pull rod demolding structure as claimed in claim 1, wherein the demolding block is provided with a locking hole and a locking groove, the forming rod is provided with a forming portion and a locking portion penetrating into the locking hole, the locking groove is provided with a locking block, the locking block is provided with a connecting hole, and the connecting hole is provided with a first bolt connected with the locking portion.
3. The injection mold with a pull rod demolding structure as claimed in claim 1, wherein the demolding block is provided with a stepped portion, the stepped portion is provided with a guide hole for receiving the pull rod, the pull rod is provided with a head, and the head is located below the stepped portion so as to prevent the stepped portion from falling.
4. The injection mold with the pull rod demolding structure as claimed in claim 3, wherein the upper mold plate is provided with a pressing plate, a feed port and a threaded hole, and the upper end of the pull rod is connected with the threaded hole.
5. The injection mold with the pull rod demolding structure as claimed in claim 1, wherein the lower mold base is provided with a fixing hole, the fixing hole is provided with a connecting block, the lower core pulling rod is provided with a fixing portion inserted into the fixing hole, and the connecting block is fixedly connected with the fixing portion through a second bolt.
6. The injection mold with the pull rod demolding structure as claimed in claim 5, wherein the lower core pulling rod is provided with a lower core pulling part, the partition plate is provided with a movable hole, and the lower core pulling part penetrates through the movable hole and then enters the lower mold cavity.
7. The injection mold with a drawbar demolding structure as set forth in claim 1, wherein the lower cavity is further provided with a lower molding post and an insert, the insert being provided with an internal draw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120341624.5U CN214521677U (en) | 2021-02-05 | 2021-02-05 | Injection mold with pull rod demoulding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120341624.5U CN214521677U (en) | 2021-02-05 | 2021-02-05 | Injection mold with pull rod demoulding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214521677U true CN214521677U (en) | 2021-10-29 |
Family
ID=78234171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120341624.5U Active CN214521677U (en) | 2021-02-05 | 2021-02-05 | Injection mold with pull rod demoulding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214521677U (en) |
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2021
- 2021-02-05 CN CN202120341624.5U patent/CN214521677U/en active Active
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