CN218019846U - Anti-adhesion structure for injection mold - Google Patents
Anti-adhesion structure for injection mold Download PDFInfo
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- CN218019846U CN218019846U CN202221937598.3U CN202221937598U CN218019846U CN 218019846 U CN218019846 U CN 218019846U CN 202221937598 U CN202221937598 U CN 202221937598U CN 218019846 U CN218019846 U CN 218019846U
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Abstract
The utility model relates to a mould equipment technical field, concretely relates to anti-adhesion structure for injection mold, including anti-adhesion mechanism, anti-adhesion mechanism's the fixed forming mechanism that is provided with in top. The utility model discloses in, enable two movable plates to carry out the removal in the opposite direction through two-way lead screw, thereby can drive two stifled posts simultaneously and shift out from cup jointing the post, make the air vent that external air can follow fixed mould both sides enter into inside the die cavity, can prevent like this that vacuum from appearing when the product drawing of patterns, make the post-forming product adsorb on fixed mould, thereby lead to product and die cavity inner wall to carry out the adhesion, the antiseized nature of mould has further been improved, and two stifled posts shift out the back, the screw rod can drive and remove the seat and remove to the sloping roof bottom, make the bottom inclined plane contact roll of a roll section of thick bamboo and sloping roof, thereby can support sloping roof and thimble and up moving, can be through the complete ejecting completion drawing of patterns of the product in the thimble will fixed mould like this.
Description
Technical Field
The utility model relates to a mould equipment technical field, concretely relates to anti-adhesion structure for injection mold.
Background
Injection molding is also called injection molding, which is a molding method involving both injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of manufacturing products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.
The injection mold needs to eject a product through the ejector pin after injection molding, however, adhesion phenomenon is easily generated between the product and the mold in the ejection process, so that the product demolding effect is poor, even more time needs to be wasted to take out the product, and the overall production efficiency is reduced, so that the anti-adhesion structure for the injection mold is needed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem, the utility model aims to provide an anti-adhesion structure for injection mold, through being provided with fixed mould and movable mould in the forming mechanism, can drive the movable mould through the cylinder and descend, make the seal groove at movable mould and fixed mould top dock, can pour into fused liquid plastics into through the injection molding pipe at movable mould top, thereby can make the product shaping in the die cavity of fixed mould, through fixedly being provided with the release film on the inner wall of fixed mould, because the release film has high temperature resistant and anti-adhesion nature, thereby can reduce the adhesion degree of product and die cavity inner wall, thereby be convenient for the product to carry out the drawing of patterns, the anti-adhesion in the mould has been improved; the output end of the servo motor in the anti-adhesion mechanism can drive the screw rod and the first belt wheel to rotate, the first belt wheel and the synchronous belt can simultaneously drive the second belt wheel to rotate, the second belt wheel can drive the two-way screw rod to rotate, the two movable plates can move in opposite directions through the two-way screw rod, so that the two movable plates can be driven to plug and move out of the sleeve-connected columns simultaneously, external air can enter the inside of the mold cavity from the air vents on two sides of the fixed mold, vacuum can be prevented from occurring during demolding of a product, the molded product is adsorbed on the fixed mold, adhesion of the product and the inner wall of the mold cavity is caused, the anti-adhesion performance of the mold is further improved, after the two plug columns are moved out, the screw rod can drive the movable seat to move to the bottom of the inclined top plate, the bottom inclined planes of the rolling cylinder and the inclined top plate can contact and roll, the inclined top plate and the ejector pin can move upwards, and the product in the fixed mold can be completely ejected out through the ejector pin to complete demolding.
The purpose of the utility model can be realized by the following technical proposal:
an anti-adhesion structure for an injection mold comprises an anti-adhesion mechanism, wherein a forming mechanism is fixedly arranged at the top of the anti-adhesion mechanism;
the anti-adhesion mechanism comprises a base plate, a supporting seat is fixedly connected to the top of the base plate, an inclined top plate is connected to the supporting seat in a sliding mode, four ejector pins are fixedly connected to the top of the inclined top plate symmetrically and fixedly relative to a vertical central plane of the inclined top plate, a rolling cylinder sliding relative to the inclined top plate is arranged at the bottom of the inclined top plate, a moving seat is connected to the bottom of the rolling cylinder in a rotating mode, a threaded block is fixedly connected to the center of the bottom of the moving seat, a threaded rod is sleeved in the threaded block in a rotating mode, one end of the threaded rod is fixedly connected with an output end of a servo motor, the servo motor is fixedly connected with the base plate, the threaded rod can be driven to rotate through the output end of the servo motor, the threaded block can drive the moving seat and the rolling cylinder at the top to move, when a blocking column is moved out of a sleeving column, the rolling cylinder can contact with an inclined plane at the bottom of the inclined top plate, the four ejector pins can push a product out of a fixed die.
The forming mechanism comprises a fixed die, the top of the supporting seat is fixedly connected with the fixed die, air vents are formed in the central line positions of the opposite side walls of the fixed die, the sleeving columns are fixedly connected to the opposite side walls of the fixed die and communicated with the air vents, sealing grooves are formed in the top of the fixed die, four ejection holes are symmetrically formed in the bottom of the fixed die relative to the vertical central plane of the fixed die, four ejector pins are slidably sleeved with the ejection holes, a movable die is arranged at the top of the fixed die, an injection molding pipe is fixedly connected to the central position of the top of the movable die, an air cylinder is fixedly connected to the side wall of the movable die, the initial position of the top end of each ejector pin and the inner bottom surface of the fixed die are located on the same plane, the movable die can be driven to move downwards through the air cylinder, the movable die can be in butt joint with the sealing grooves in the top of the fixed die, molten plastic can be injected into the injection molding pipe, air can be introduced through the air vents after the product is formed, the product is prevented from being subjected to vacuum, and accordingly the adhesion strength of the product and the movable die is difficult to be demolded.
The two-way screw rod is characterized in that one end of the screw rod is fixedly sleeved with a first belt wheel, one end of a synchronous belt is sleeved on the first belt wheel, the other end of the synchronous belt is sleeved with a second belt wheel, a two-way screw rod is fixedly sleeved in the second belt wheel, two ends of the two-way screw rod are rotatably connected with positioning plates fixedly connected with a base plate, two movable plates are symmetrically screwed and sleeved on the two-way screw rod about a vertical central plane of the two-way screw rod, the end parts of the two movable plates are fixedly connected with blocking columns, the first belt wheel and the synchronous belt can drive the second belt wheel to rotate, the second belt wheel can drive the two-way screw rod to rotate, the two movable plates can be driven by the two-way screw rod to move in opposite directions, the blocking columns can be driven to move out of the blocking columns, and air can enter the cavity from the air vent.
The fixed die is characterized in that the manufactured material of the fixed die is die steel, a release film is fixedly arranged on the inner wall of the fixed die, the release film is fixedly arranged on the inner wall of the fixed die, and the release film is a high-temperature-resistant and anti-adhesion material, so that the product can be prevented from being adhered to the inner wall of the fixed die.
Further lie in, about two gag lever posts of its vertical central plane symmetry fixedly connected with on the lateral wall of supporting seat, two all slide on the gag lever post and cup joint with mobile seat looks fixed connection's cover and connect the piece, slide mutually through the gag lever post and cup joint the piece and cup joint to can restrict mobile seat, make mobile seat can slide along the gag lever post.
Furthermore, a v-21274bar fixedly connected with the base plate is connected between the two moving plates in a sliding manner, and the v-21274bar is connected between the two moving plates in a sliding manner, so that the moving direction of the moving plates can be limited by the v-21274bar, and the moving plates are prevented from rotating.
The utility model has the advantages that:
1. the fixed mold and the movable mold are arranged in the molding mechanism, the movable mold can be driven to descend through the air cylinder, so that the movable mold is in butt joint with the sealing groove at the top of the fixed mold, molten liquid plastic can be injected through the injection molding pipe at the top of the movable mold, a product can be molded in the mold cavity of the fixed mold, and the release film is fixedly arranged on the inner wall of the fixed mold and has high temperature resistance and anti-adhesion property, so that the adhesion degree of the product and the inner wall of the mold cavity can be reduced, the product is convenient to demold, and the anti-adhesion property in the mold is improved;
2. the output end of the servo motor in the anti-adhesion mechanism can drive the screw rod and the belt wheel I to rotate, the belt wheel I and the synchronous belt can simultaneously drive the belt wheel II to rotate, the belt wheel II can drive the bidirectional screw rod to rotate, the two movable plates can move in the opposite direction through the bidirectional screw rod, so that the two blocking columns can be simultaneously driven to move out of the sleeve connection columns, external air can enter the inside of the mold cavity from the air vents on the two sides of the fixed mold, vacuum can be prevented from occurring in the product demolding process, the formed product is adsorbed on the fixed mold, adhesion between the product and the inner wall of the mold cavity is caused, the anti-adhesion property of the mold is further improved, after the two blocking columns are moved out, the screw rod can drive the movable seat to move to the bottom of the inclined top plate, the bottom inclined planes of the rolling cylinder and the inclined top plate can contact and roll, the inclined top plate and the ejector pins can be abutted against to move upwards, and the product in the fixed mold can be completely ejected out through the ejector pins to complete demolding.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the middle fixed mold of the present invention;
FIG. 3 is a schematic structural view of the anti-adhesion mechanism of the present invention;
fig. 4 is a schematic structural view of the middle ejecting unit of the present invention.
In the figure: 100. a molding mechanism; 101. fixing a mold; 102. a vent hole; 103. sleeving the column; 104. an ejection aperture; 105. a release film; 106. a sealing groove; 107. moving the mold; 108. injection molding a tube; 109. a cylinder; 200. an anti-adhesion mechanism; 201. a base plate; 202. a supporting seat; 203. a slanted top plate; 204. a thimble; 205. a rolling cylinder; 206. a movable seat; 207. a thread block; 208. a screw; 209. a servo motor; 210. sleeving and connecting blocks; 211. a limiting rod; 212. a first belt wheel; 213. a second belt wheel; 214. a synchronous belt; 215. a bidirectional screw rod; 216. moving the plate; 217. plugging the column; 218. model rod of proba; 219. and (7) positioning the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, an anti-adhesion structure for an injection mold includes an anti-adhesion mechanism 200, wherein a forming mechanism 100 is fixedly disposed on the top of the anti-adhesion mechanism 200;
the forming mechanism 100 comprises a fixed mold 101, vent holes 102 are formed in the center lines of the opposite side walls of the fixed mold 101, sleeve columns 103 are fixedly connected to the opposite side walls of the fixed mold 101, the sleeve columns 103 are communicated with the vent holes 102, a sealing groove 106 is formed in the top of the fixed mold 101, four ejection holes 104 are symmetrically formed in the bottom of the fixed mold 101 relative to the vertical central plane of the fixed mold, a movable mold 107 is arranged at the top of the fixed mold 101, an injection molding pipe 108 is fixedly connected to the center of the top of the movable mold 107, an air cylinder 109 is fixedly connected to the side wall of the movable mold 107, the movable mold 107 can be driven to move downwards through the air cylinder 109, the movable mold 107 can be in butt joint with the sealing groove 106 at the top of the fixed mold 101, molten plastic can be injected into the injection molding pipe 108, air can be introduced through the vent hole 102 after a product is molded, the vacuum phenomenon inside a mold cavity is prevented, so that the adhesion strength of the product and the mold is increased, the product is difficult to demold, the manufactured material of the fixed mold 101 is mold steel, the release film 105 is fixedly arranged on the inner wall of the fixed mold 101, and the release film 105 is fixedly arranged on the inner wall of the fixed mold 101 and is a high-temperature-resistant and anti-adhesion material, so that the product and the inner wall of the fixed mold 101 can be prevented from being adhered;
in this embodiment, the fixed mold 101 made of the mold steel can be used for molding a product, and the four ejection holes 104 are formed in the bottom plate of the fixed mold 101 and slidably sleeved with the ejector pins 204, so that the product can be conveniently demolded;
in the embodiment, when the mold is used, the release film 105 is arranged inside the fixed mold 101, and the anti-adhesion capability of the mold can be improved through the high temperature resistance and the anti-adhesion property of the release film 105, so that a product is easier to separate from the mold, and the production efficiency of the product is improved;
the anti-adhesion mechanism 200 comprises a base plate 201, a supporting seat 202 is fixedly connected to the top of the base plate 201, the top of the supporting seat 202 is fixedly connected with a fixed die 101, an inclined top plate 203 is connected to the supporting seat 202 in a sliding manner, four ejector pins 204 are fixedly connected to the top of the inclined top plate 203 in a symmetrical manner about a vertical central plane of the inclined top plate, the four ejector pins 204 are sleeved with ejection holes 104 in a sliding manner, the initial position of the top end of each ejector pin 204 is positioned on the same plane with the inner bottom surface of the fixed die 101, a rolling cylinder 205 sliding with the inclined top plate 203 is arranged at the bottom of the inclined top plate 203, a moving seat 206 is rotatably connected to the bottom of the rolling cylinder 205, a threaded block 207 is fixedly connected to the central position of the bottom of the moving seat 206, a threaded rod 208 is rotatably sleeved in the threaded block 207, one end of the threaded rod 208 is fixedly connected with an output end of a servo motor 209, the servo motor 209 is fixedly connected with the base plate 201, the threaded rod 208 can be driven to rotate through the output end of the servo motor 209, the screw 208 can drive the screw block 207, the moving seat 206 at the top and the rolling cylinder 205 to move, when the blocking column 217 is moved out of the sleeving column 103, the rolling cylinder 205 is contacted with the bottom inclined plane of the inclined top plate 203, so that the inclined top plate 203 and the four ejector pins 204 at the top can be propped to move upwards, a product can be ejected out of the fixed mold 101 through the ejector pins 204, the belt pulley I212 and the synchronous belt 214 can drive the belt pulley II 213 to rotate, the belt pulley II 213 can drive the bidirectional screw rod 215 to rotate, the bidirectional screw rod 215 can drive the two moving plates 216 to move in opposite directions, so that the blocking column 217 can be driven to move out of the sleeving column 103, air can enter the mold cavity from the vent 102, two limiting rods 211 are fixedly connected to the side wall of the supporting seat 202 symmetrically with the vertical central plane of the supporting seat, and the sleeving blocks 210 fixedly connected with the moving seat 206 are sleeved on the two limiting rods 211 in a sliding manner, a v-21274type rod 218 fixedly connected with the base plate 201 is connected between the two moving plates 216 in a sliding manner, and the v-21274type rod 218 is connected between the two moving plates 216 in a sliding manner, so that the moving direction of the moving plates 216 can be limited by the v-21274type rod 218, and the moving plates 216 are prevented from rotating;
in the embodiment, the anti-adhesion mechanism 200 can improve the anti-adhesion capability of the mold during demolding, so that the problem of low production efficiency caused by adhesion phenomenon during product manufacturing is solved;
in this embodiment, during operation, the output end of the servo motor 209 can drive the screw 208 and the pulley one 212 to rotate, the pulley one 212 and the synchronous belt 214 can drive the pulley two 213 to rotate, the pulley two 213 can drive the bidirectional screw 215 to rotate, and the bidirectional screw 215 can drive the two moving plates 216 to move in opposite directions, so as to drive the two blocking posts 217 to move out of the sleeving post 103, so that the external air can enter the inside of the mold cavity from the vent holes 102 on the two sides of the fixed mold 101, which can prevent the product from being vacuumed during demolding, so that the molded product is adsorbed on the fixed mold 101, thereby causing the product to adhere to the inner wall of the mold cavity, further improving the adhesion resistance of the mold, and after the two blocking posts 217 are moved out, the screw 208 can drive the moving seat 206 to move to the bottom of the top plate 203 of the inclined top plate, so that the rolling cylinder 205 and the bottom inclined top plate 203 of the inclined top plate 203 can contact and the ejector pins 204 to roll up, thereby the product in the fixed mold 101 can be completely ejected by the ejector pins 204 to complete demolding.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only, and it is intended that all such modifications, additions and substitutions as would be apparent to one skilled in the art to the specific embodiments described are within the scope of the invention as claimed.
Claims (6)
1. An anti-adhesion structure for an injection mold is characterized by comprising an anti-adhesion mechanism (200), wherein a forming mechanism (100) is fixedly arranged at the top of the anti-adhesion mechanism (200);
the anti-adhesion mechanism (200) comprises a base plate (201), a supporting seat (202) is fixedly connected to the top of the base plate (201), an inclined top plate (203) is connected to the supporting seat (202) in a sliding mode, four ejector pins (204) are symmetrically and fixedly connected to the top of the inclined top plate (203) relative to the vertical central plane of the inclined top plate, a rolling cylinder (205) sliding with the inclined top plate is arranged at the bottom of the inclined top plate (203), a moving seat (206) is rotatably connected to the bottom of the rolling cylinder (205), a threaded block (207) is fixedly connected to the central position of the bottom of the moving seat (206), a threaded rod (208) is rotatably sleeved in the threaded block (207), an output end of a servo motor (209) is fixedly connected to one end of the threaded rod (208), and the servo motor (209) is fixedly connected to the base plate (201).
2. The anti-adhesion structure for the injection mold according to claim 1, wherein the molding mechanism (100) comprises a fixed mold (101), the top of the supporting seat (202) is fixedly connected with the fixed mold (101), vent holes (102) are formed in center lines of opposite side walls of the fixed mold (101), sleeve posts (103) are fixedly connected to the opposite side walls of the fixed mold (101), the sleeve posts (103) are communicated with the vent holes (102), a sealing groove (106) is formed in the top of the fixed mold (101), four ejection holes (104) are symmetrically formed in the bottom of the fixed mold (101) relative to a vertical central plane of the bottom of the fixed mold, the four ejection pins (204) are slidably sleeved with the ejection holes (104), a movable mold (107) is arranged on the top of the fixed mold (101), an injection molding pipe (108) is fixedly connected to a center position of the top of the movable mold (107), an air cylinder (109) is fixedly connected to a side wall of the movable mold (107), and an initial position of the top end of the ejection pins (204) and an inner bottom surface of the fixed mold (101) are in the same plane.
3. The anti-adhesion structure for the injection mold according to claim 1, wherein one end of the screw (208) is fixedly sleeved with a first pulley (212), one end of a synchronous belt (214) is sleeved on the first pulley (212), the other end of the synchronous belt (214) is sleeved with a second pulley (213), a bidirectional screw (215) is fixedly sleeved in the second pulley (213), two ends of the bidirectional screw (215) are both rotatably connected with a positioning plate (219) fixedly connected with the base plate (201), two moving plates (216) are symmetrically and rotatably sleeved on the bidirectional screw (215) with respect to a vertical central plane thereof, and the end parts of the two moving plates (216) are both fixedly connected with a blocking column (217).
4. The anti-adhesion structure for the injection mold according to claim 2, wherein the fixed mold (101) is made of mold steel, and a release film (105) is fixedly arranged on the inner wall of the fixed mold (101).
5. The anti-adhesion structure for the injection mold according to claim 1, wherein two limiting rods (211) are symmetrically and fixedly connected to the side wall of the supporting seat (202) about the vertical center plane thereof, and a sleeve block (210) fixedly connected to the moving seat (206) is slidably sleeved on each of the two limiting rods (211).
6. Anti-adhesion structure for injection molds according to claim 3, characterized in that between the two moving plates (216) there is slidingly connected a rod (218) of the type of the' 21274, fixedly connected to the base plate (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221937598.3U CN218019846U (en) | 2022-07-25 | 2022-07-25 | Anti-adhesion structure for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221937598.3U CN218019846U (en) | 2022-07-25 | 2022-07-25 | Anti-adhesion structure for injection mold |
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| Publication Number | Publication Date |
|---|---|
| CN218019846U true CN218019846U (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221937598.3U Active CN218019846U (en) | 2022-07-25 | 2022-07-25 | Anti-adhesion structure for injection mold |
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| CN (1) | CN218019846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117719137A (en) * | 2024-02-06 | 2024-03-19 | 河南君源塑业有限公司 | Extrusion molding device for processing polyvinyl chloride plate and molding process thereof |
-
2022
- 2022-07-25 CN CN202221937598.3U patent/CN218019846U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117719137A (en) * | 2024-02-06 | 2024-03-19 | 河南君源塑业有限公司 | Extrusion molding device for processing polyvinyl chloride plate and molding process thereof |
| CN117719137B (en) * | 2024-02-06 | 2024-05-03 | 河南君源塑业有限公司 | Extrusion molding device for processing polyvinyl chloride plate and molding process thereof |
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