CN220146583U - Injection mold of integrative drawing of patterns - Google Patents
Injection mold of integrative drawing of patterns Download PDFInfo
- Publication number
- CN220146583U CN220146583U CN202223042400.8U CN202223042400U CN220146583U CN 220146583 U CN220146583 U CN 220146583U CN 202223042400 U CN202223042400 U CN 202223042400U CN 220146583 U CN220146583 U CN 220146583U
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- Prior art keywords
- crossbearer
- groove
- bottom plate
- spring
- mold
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- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 31
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000000465 moulding Methods 0.000 abstract description 6
- 238000001746 injection moulding Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 3
- 239000012768 molten material Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
An integrally demolding injection mold relates to the technical field of injection molds; including preceding crossbearer bottom plate, preceding crossbearer, back crossbearer bottom plate, back crossbearer, the front crossbearer is passed through in the one end of preceding crossbearer bottom plate and is passed through bolted connection, the sprue has been seted up in the center department of preceding crossbearer bottom plate, the sprue runs through preceding crossbearer bottom plate and preceding crossbearer, the spring groove has been seted up to the surface slope in proper order in preceding crossbearer one side, install first spring and down tube in the spring groove, the inner wall in one end fixed connection spring groove of first spring, the other end fixed connection down tube of first spring, make the down tube can stretch out and draw back in the spring groove through first spring, the center department of back crossbearer is fixed with the mould benevolence, mould benevolence and back crossbearer are integrated into one piece, first spout has been seted up in proper order to the both sides of corresponding mould benevolence, the one end of slider is the inclined plane, when the back crossbearer is backward displaced after the moulding is accomplished, the friction force through the inclined plane of slider can make the product demoulding from preceding crossbearer.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an integrally-demolding injection mold.
Background
Injection molding is a processing method used for mass production of parts with complex shapes, and specifically refers to injecting heated and melted plastic into a mold cavity by an injection molding machine under high pressure, cooling and solidifying to obtain a formed product, wherein the injection molding mold generally consists of a movable mold and a fixed mold, the movable mold is arranged on a movable mold plate of the injection molding machine, the fixed mold is arranged on a fixed mold plate of the injection molding machine, the movable mold and the fixed mold are closed to form a pouring system and a mold cavity during injection molding, and the movable mold and the fixed mold are separated during mold opening so as to take out the plastic product.
According to patent number CN202021917649.7, a demoulded injection mold comprises a first molding plate and a second molding plate, wherein the first molding plate and the second molding plate are closed to form at least one casting cavity, and the casting cavity is detachably connected with the injection mold; the upper side of the first forming plate is provided with a pouring assembly for pouring molten materials into the pouring cavity, the lower side of the first forming plate is provided with a push rod fixing plate, a first guide hole communicated with the pouring cavity is formed in the push rod fixing plate, a demoulding push rod is connected in the first guide hole in a sliding mode, and after the molten materials are cooled and formed, the demoulding push rod moves into the pouring cavity to push the cooled and formed molten materials out of the pouring cavity. The injection mold convenient to demolding can improve the precision of the pouring mold, realize a simple and convenient demolding process, and simultaneously protect the mold of the pouring cavity pushed out by the demolding push rod from being damaged in the demolding process.
In the injection molding process of an injection mold, generally, after a product is molded in a cavity, a movable mold drives the product to move backwards, and then the product is pushed out of the movable mold by a thimble on the movable mold, however, because the movable mold and a fixed mold are closed to form the cavity, the product is easy to adhere to the fixed mold after injection molding, so that the product cannot be demolded, and the injection molding efficiency is affected.
Disclosure of Invention
The utility model aims to solve the technical problems that products are easy to adhere to a fixed die after injection molding in the prior art, and the demolding is inconvenient.
The aim and the effect of the utility model are achieved by the following specific technical means:
the utility model provides an injection mold of integrative drawing of patterns, includes preceding crossbearer bottom plate, preceding crossbearer, back crossbearer bottom plate, back crossbearer, square iron, fly leaf, preceding crossbearer bottom plate be provided with the diagonal bar on the preceding crossbearer before through bolted connection, the spacing groove has been seted up at the both ends of preceding crossbearer, back crossbearer center department is provided with the mould benevolence, corresponds the mould benevolence and is provided with the slider, is provided with the location guide pillar on the back crossbearer bottom plate, square iron, back crossbearer are connected through the location guide pillar with the slider.
Preferably, a main runner is arranged at the center of the front transverse frame bottom plate.
Preferably, a spring groove is formed in one side of the transverse frame, and a first spring and an inclined rod are arranged in the spring groove.
Preferably, the two sides of the rear cross frame are sequentially provided with a first sliding groove, a second penetrating groove and a guide groove, a sliding rod is arranged in the second penetrating groove, and one end of the sliding rod is an inclined plane.
Preferably, a second chute and a third chute are sequentially formed in the sliding block, the second chute penetrates through the sliding block, and one end of the sliding block is an inclined plane.
Preferably, a first through groove is formed in the center of the die core, and a thimble is arranged in the first through groove.
Preferably, the square iron is provided with a guide groove in a penetrating way.
Preferably, one end of the cross frame bottom plate is provided with a fixed rod, and the fixed rod is provided with a second spring.
Preferably, the movable plate is provided with a third through groove and a clamping groove.
The beneficial effects are that:
1. the injection mold capable of demolding integrally is provided with the sliding block, and when the rear transverse frame base, the square iron and the rear transverse frame start to displace backwards, products are demolded from the front transverse frame through friction force of inclined planes of the sliding block.
2. The injection mold capable of demolding integrally is provided with the sliding rod, when the sliding block slides to the opening of the first sliding groove, the second penetrating groove is gradually exposed, the sliding rod can slide out from the opening, the second spring pushes the movable plate to move towards the front transverse frame through elasticity, the sliding rod is pushed to move towards the front transverse frame through movement of the movable plate, the sliding rod passes through the inclined plane and gradually slides out of the second penetrating groove along with movement of the sliding block, and the two ends of the sliding rod, propped against a product, gradually push the product out of the mold core.
Description of the drawings:
FIG. 1 is a schematic view of an integrally demolded injection mold according to the present utility model.
Fig. 2 is a schematic diagram of a movable mold and a fixed mold according to the present utility model.
Fig. 3 is a schematic cross-sectional view of the present utility model.
Fig. 4 is a schematic cross-sectional view of the present utility model in its open position.
FIG. 5 is a schematic view of a slider according to the present utility model.
In fig. 1-5: 1. a front cross frame bottom plate; 101. a main flow passage; 2. a front cross frame; 201. a diagonal rod; 202. a spring groove; 203. a first spring; 204. a limit groove; 3. a rear cross frame; 301. a slide block; 302. a first chute; 303. a sub-runner; 304. a second chute; 305. a third chute; 306. a first through slot; 307. a second through groove; 308. a mold core; 4. square iron; 5. a rear cross frame bottom plate; 501. positioning guide posts; 502. a second spring; 503. a guide groove; 6. a movable plate; 601. a thimble; 602. a fixed rod; 603. a slide bar; 604. a clamping groove; 605. and a third through groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-5, an injection mold for integrated demolding comprises a front horizontal frame bottom plate 1, a front horizontal frame 2, a rear horizontal frame bottom plate 5, a rear horizontal frame 3, square irons 4 and a movable plate 6, wherein the front horizontal frame bottom plate 1 and the front horizontal frame 2 form a fixed mold, the rear horizontal frame 3, the square irons 4 and the rear horizontal frame bottom plate 5 form a movable mold, one end of the front horizontal frame bottom plate 1 is connected with the front horizontal frame 2 through bolts, a main runner 101 is arranged at the center of the front horizontal frame bottom plate 1, the main runner 101 is conical, the main runner 101 penetrates through the front horizontal frame bottom plate 1 and the front horizontal frame 2, a spring groove 202 is sequentially and obliquely arranged on the surface of one side of the front horizontal frame 2, a first spring 203 and an inclined rod 201 are arranged in the spring groove 202, one end of the first spring 203 is fixedly connected with the inner wall of the spring groove 202, the other end of the first spring 203 is fixedly connected with the inclined rod 201, the inclined rod 201 can stretch out and draw back in the spring groove 202 through the first spring 203, two ends of the front horizontal frame 2 are sequentially provided with limiting grooves 204, the limiting grooves 204 are correspondingly provided with the positioning guide posts 204, and the limiting stability of the mold 501 can be improved through the limiting and stability of the limiting grooves 204.
Wherein, the center of the rear cross frame 3 is fixed with a mold core 308, the mold core 308 and the rear cross frame 3 are integrally formed, two sides of the corresponding mold core 308 are sequentially provided with a first chute 302, one end of the chute 201 is slidably connected with a third chute 305, one end of the chute 301 is an inclined plane, when the rear cross frame 3 is displaced backwards after the injection molding is finished, the product can be released from the front cross frame 2 by the friction force of the inclined surface of the sliding block 301, the two ends of the rear cross frame 3 are provided with guide grooves 503 corresponding to the limit grooves 204, the guide grooves 503 penetrate through the rear cross frame 3, the positioning guide columns 501 penetrate through the guide grooves 503, the first through groove 306 is penetrated through the center of the die core 308 by the cooperation of the positioning guide columns 501 and the guide grooves 503, the second through groove 307 is sequentially formed on the two sides of the rear cross frame 3, which are close to the die core 308, in the process of die assembly, the second through groove 307 is connected with the sliding rod 603 in a sliding manner, one end of the sliding rod 603 is an inclined surface, the inclined surface of the sliding rod 603 is parallel to the inclined surface of the sliding block 301, when the sliding block 301 slides towards the die core 308, the inclined surface of the sliding rod 603 is extruded by the inclined surface of the sliding rod 603, the first through groove 306 is penetrated through the center of the die core 308, the first through groove 306 is connected with the ejector pin 601 in a sliding manner, the product attached to the mold 308 can be ejected out of the mold 308 by the ejector pin 601.
Wherein, the both ends of back crossbearer bottom plate 5 loop through bolted connection square iron 4 in proper order, the guide slot 503 has been seted up in the run-through on square iron 4, positioning guide pillar 501 runs through square iron 4 through the guide slot 503, make square iron 4 and back crossbearer 3 be connected, pass through square iron 4 with back crossbearer 3 base separation, make fly leaf 6 have sufficient activity space, be close to back crossbearer bottom plate 5 central line on the back crossbearer bottom plate 5 and loop through bolted connection dead lever 602, the other end of dead lever 602 supports back crossbearer 3 lower extreme surface, be provided with fly leaf 6 between square iron 4, the last third through groove 605 of having seted up in proper order of fly leaf 6, dead lever 602 runs through third through groove 605, with fly leaf 6 spacing, fly leaf 6 passes through third through groove 605 sliding connection dead lever 602 simultaneously, make fly leaf 6 can slide on dead lever 602 through third through third through groove 605, cup joint second spring 502 on fly leaf 6 and back crossbearer 3 base will dead lever 602, second spring 502 passes through elasticity and pushes fly leaf 6 to the other end of dead lever 602, slide bar 603 corresponds fly leaf 6 to fly leaf 6 at the dead lever 602, slide bar 603 moves into the both ends of the perpendicular clamp 6 through the perpendicular clamp groove 601 when the slide bar is the two ends of fly leaf 6T 6, the top plate is the perpendicular to the die 601, the two ends of slide bar is in proper order cut into the profile 601, the slide bar is cut into the die 601.
Working principle:
when the ejector pin is used, the main runner 101 is used for injecting and molding the mold core 308 and the shunt 303, after the product is injected and molded and cooled, the base of the rear transverse frame 3, the square iron 4 and the rear transverse frame 3 start to displace backwards, the product is demolded from the front transverse frame 2 by the friction force of the inclined surface of the sliding block 301, when the sliding block 301 displaces backwards, the inclined rod 201 pushes the sliding block 301 to slide towards the opening of the first sliding groove 302, the inclined rod 201 pushes the extending spring groove 202 through the elastic force of the first spring 203, the other end of the inclined rod 201 is always connected with the third sliding groove 305 when the sliding block 301 displaces backwards, when the inclined rod 201 pushes the sliding block 301 to slide towards the opening of the first sliding groove 302, the opening of the second penetrating groove 307 is gradually exposed, the sliding rod 603 can slide out from the opening, the second spring 502 pushes the sliding rod 603 to displace forwards towards the transverse frame 2 through the elastic force, the sliding rod 603 displaces forwards towards the transverse frame 2 through the inclined surface, and the two ends of the sliding rod 603 gradually push the product out of the mold core 308 along with the movement of the sliding block 301, and when the sliding rod 601 displaces forwards towards the front transverse frame 2, and the product is pushed out of the ejector pin 601 displaces towards the front from the front transverse frame 2.
Claims (9)
1. The utility model provides an injection mold of integrative drawing of patterns, includes preceding crossbearer bottom plate (1), preceding crossbearer (2), back crossbearer bottom plate (5), back crossbearer (3), square iron (4), fly leaf (6), its characterized in that, preceding crossbearer bottom plate (1) is connected preceding crossbearer (2), is provided with down tube (201) on preceding crossbearer (2), and spacing groove (204) have been seted up at the both ends of preceding crossbearer (2), and back crossbearer (3) center department is provided with mould benevolence (308), corresponds mould benevolence (308) and is provided with slider (301), is provided with location guide pillar (501) on back crossbearer bottom plate (5), and back crossbearer bottom plate (5), square iron (4), back crossbearer (3) are connected through location guide pillar (501) with slider (301).
2. An integrally demoulded injection mould according to claim 1, characterized in that the centre of the front cross frame base plate (1) is provided with a main runner (101).
3. An injection mould for integrated demoulding according to claim 1, characterized in that a spring groove (202) is formed on one side of the front transverse frame (2), and a first spring (203) and a diagonal rod (201) are arranged in the spring groove (202).
4. The injection mold for integrally demolding according to claim 1, wherein the two sides of the rear cross frame (3) are sequentially provided with a first sliding groove (302), a second penetrating groove (307) and a guiding groove (503), a sliding rod (603) is arranged in the second penetrating groove (307), and one end of the sliding rod (603) is an inclined plane.
5. The injection mold for integrally demolding according to claim 1, wherein the slide block (301) is sequentially provided with a second slide groove (304) and a third slide groove (305), the second slide groove (304) penetrates through the slide block (301), and one end of the slide block (301) is an inclined plane.
6. The injection mold with integrated demolding according to claim 1, wherein a first through groove (306) is formed in the center of the mold core (308), and the first through groove (306) is provided with a thimble (601).
7. An integrally demoulded injection mould according to claim 1, wherein the square iron (4) is provided with guide grooves (503) penetrating therethrough.
8. An integrally demoulded injection mould according to claim 1, wherein one end of the cross frame base plate is provided with a fixing rod (602), and the fixing rod (602) is provided with a second spring (502).
9. An integrally demoulded injection mould according to claim 1, wherein the movable plate (6) is provided with a third through groove (605) and a clamping groove (604).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223042400.8U CN220146583U (en) | 2022-11-16 | 2022-11-16 | Injection mold of integrative drawing of patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223042400.8U CN220146583U (en) | 2022-11-16 | 2022-11-16 | Injection mold of integrative drawing of patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220146583U true CN220146583U (en) | 2023-12-08 |
Family
ID=89019581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223042400.8U Active CN220146583U (en) | 2022-11-16 | 2022-11-16 | Injection mold of integrative drawing of patterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220146583U (en) |
-
2022
- 2022-11-16 CN CN202223042400.8U patent/CN220146583U/en active Active
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| GR01 | Patent grant |