CN221067073U - Plastic mold with time-delay ejection structure - Google Patents
Plastic mold with time-delay ejection structure Download PDFInfo
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- CN221067073U CN221067073U CN202322563121.4U CN202322563121U CN221067073U CN 221067073 U CN221067073 U CN 221067073U CN 202322563121 U CN202322563121 U CN 202322563121U CN 221067073 U CN221067073 U CN 221067073U
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- 238000001816 cooling Methods 0.000 claims abstract description 11
- 230000003111 delayed effect Effects 0.000 claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 10
- 238000001746 injection moulding Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a plastic mold with a time-delay ejection structure, which relates to the technical field of mold manufacturing and comprises a mold assembly, wherein the mold assembly comprises a base, the inside of the base is fixedly connected with an ejection assembly, and the top end of the base is fixedly connected with a cooling assembly; the top end of the third rack is connected with a top rod, and the top end of the top rod is fixedly connected with a top plate. According to the utility model, the movable plate is driven to lift by the electric push rod, the movable plate drives the female die to move until the female die is attached to the male die to manufacture a product, then the female die is separated from the male die by the electric push rod, after the female die rises to drive the telescopic rod to synchronously lift for a certain distance, the telescopic rod pulls the fixed rod to drive the first rack to move, so that the third rack moves upwards, the top plate is driven by the ejector rod to eject the product, thus effectively realizing delayed ejection, enabling the product to be cooled, and simultaneously being convenient for workers to take out the product, and further improving the working efficiency.
Description
Technical Field
The utility model relates to the technical field of mold manufacturing, in particular to a plastic mold with a time-delay ejection structure.
Background
The mold is an important equipment indispensable in injection molding. Injection molding is a method of injecting a raw material having a certain temperature into a gap formed by a male die and a female die to form a product. The injection molding method has the characteristics of low molding cost, short molding period, simple molding process and the like, so that the injection molding method is very popular in the field of product manufacturing;
When the mold is opened, a worker manually removes the material from the mold, so that the material is inconvenient, the material cooling time is too short, the material is not completely molded, and the material is damaged when the material is directly removed;
The utility model provides a take precision plastic mould of time delay ejecting structure of current patent (bulletin number: CN 217258183U), includes the lower mould, be provided with the mould on the lower mould, the bottom fixedly connected with base of lower mould, be provided with the motor in the base, fixedly connected with oval wheel on the output shaft of motor, sliding connection has two spacer pins of symmetric distribution in the base, every fixedly connected with backing plate on the spacer pin, backing plate and oval wheel contact, the outside of spacer pin has cup jointed first spring, sliding connection has the drawing of patterns ring in the lower mould. According to the utility model, by designing the ring groove, the demoulding ring, the ejector rod, the lantern ring, the base and other parts on the basis of the lower mould, the demoulding mechanism is formed, and when the upper mould and the lower mould are separated, the material attached to the lower mould can be stably ejected by the demoulding mechanism, so that the material is separated from the lower mould, and the demoulding of the material is realized.
However, the above patent still has certain defect, this take accurate plastic mould of time delay ejecting structure cools off the product through the time delay effect of opening the mould, and rethread demoulding mechanism carries out ejecting with the product, but the time delay of mould at opening is shorter, so make the refrigerated time of product shorter, make the product not reach abundant cooling just with the ejecting product can lead to the product surface to strain, cause the damage of product, reduced product quality.
Therefore, a plastic mold with a time-delay ejection structure is provided.
Disclosure of utility model
Based on the above, the present utility model is directed to a plastic mold with a delayed ejection structure, so as to solve the technical problems set forth in the background.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the plastic mold with the time-delay ejection structure comprises a mold assembly, wherein the mold assembly comprises a base, the inside of the base is fixedly connected with an ejection assembly, and the top end of the base is fixedly connected with a cooling assembly;
The ejector assembly comprises a connecting block, telescopic rod fixedly connected with bottom one side of the connecting block, telescopic rod surface sliding connection has the dead lever, the dead lever bottom is equipped with first rack, be equipped with the first gear of looks interlock on the first rack, first gear central point puts the first basic pole of fixedly connected with, and first gear one side is provided with the second gear that is fixed in first basic pole surface, the second gear lower extreme is equipped with the second rack of looks interlock, one side of keeping away from the second gear on the second rack is equipped with the third gear of looks interlock, third gear central point puts the fixedly connected with second basic pole, and third gear one side is provided with the fourth gear that is fixed in second basic pole surface, fourth gear one side is equipped with the third rack of looks interlock, third rack top is connected with the ejector pin, ejector pin top fixedly connected with roof.
As the preferable technical scheme of the plastic mold with the time-delay ejection structure, the four corners of the top end of the base are fixedly connected with the supporting rods, the top ends of the supporting rods are fixedly connected with the positioning plates, the top ends of the positioning plates are provided with the electric push rods, the end parts of the movable rods of the electric push rods are fixedly connected with the movable plates, the bottom ends of the movable plates are fixedly connected with the female mold, the two sides of the movable plates are fixedly provided with the shaft sleeves, and the guide shafts are connected in the sliding mode in the shaft sleeves.
As the plastic mold with the time-delay ejection structure, the plastic mold with the time-delay ejection structure is preferably characterized in that the top end of the base is fixedly connected with a male mold matched with a female mold, one side of the female mold is fixedly connected with a connecting block, and the bottom end of the guide shaft is fixedly connected with the base.
As the plastic mold with the time-delay ejection structure, the plastic mold with the time-delay ejection structure has the preferable technical scheme that the bottom end of the fixing rod is fixedly connected to the top end of the first rack, and the bottom end of the ejector rod is fixedly connected to the third rack.
As the plastic mold with the time-delay ejection structure, the technical scheme is preferable, the ejector rod is connected with the male mold in a sliding manner, and the top plate is arranged in the male mold.
As the preferable technical scheme of the plastic mold with the time-delay ejection structure, the cooling assembly comprises two groups of piston cylinders fixed at the top end of the base, a spring is fixedly connected to the bottom end of the inner wall of each piston cylinder, a piston is fixedly connected to the top end of each spring, a piston rod is fixedly connected to the top end of each piston, a connecting pipe is arranged on the surface of each piston cylinder, and a spray head is arranged at one end, far away from each piston cylinder, of each connecting pipe.
As the plastic mold with the time-delay ejection structure, the plastic mold with the time-delay ejection structure has the preferable technical scheme that an extrusion block is arranged right above the piston rod and is fixedly connected to the bottom end of the movable plate.
In summary, the utility model has the following advantages:
1. according to the utility model, the movable plate is driven to lift by the electric push rod, the movable plate drives the female die to move until the female die is attached to the male die to manufacture a product, then the female die is separated from the male die by the electric push rod, after the female die rises to drive the telescopic rod to synchronously lift for a certain distance, the telescopic rod pulls the fixed rod to drive the first rack to move, so that the third rack moves upwards, the top plate is driven by the ejector rod to eject the product, thus effectively realizing delayed ejection, enabling the product to be cooled, and simultaneously being convenient for workers to take out the product, and further improving the working efficiency.
2. According to the utility model, the extrusion block on the movable plate is separated from extrusion of the piston rod by the rising of the female die, so that the piston moves upwards under the action of the spring, gas in the piston cylinder is extruded by the piston, the gas is sprayed out of the spray head through the connecting pipe, and the temperature of the injection molded product is further reduced.
Drawings
FIG. 1 is a schematic diagram of a mold assembly of the present utility model;
FIG. 2 is a schematic view of the interior of a mold assembly of the present utility model;
FIG. 3 is a schematic view of an ejector assembly of the present utility model;
FIG. 4 is a schematic view of a cooling assembly according to the present utility model.
In the figure: 100. a mold assembly; 110. a base; 120. a support rod; 130. a positioning plate; 140. an electric push rod; 150. a moving plate; 151. a shaft sleeve; 152. a guide shaft; 160. a master mold; 170. a male mold;
200. An ejection assembly; 210. a connecting block; 220. a telescopic rod; 230. a fixed rod; 240. a first rack; 250. a first gear; 260. a first base bar; 270. a second gear; 280. a second rack; 290. a third gear; 2910. a second base rod; 2920. a fourth gear; 2930. a third rack; 2940. a push rod; 2950. a top plate;
300. A cooling assembly; 310. a piston cylinder; 320. a spring; 330. a piston; 340. a piston rod; 341. extruding a block; 350. a connecting pipe; 360. a spray head.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.
1-4, A plastic mold with a time-delay ejection structure comprises a mold assembly 100, wherein the mold assembly 100 comprises a base 110, an ejection assembly 200 is fixedly connected inside the base 110, and a cooling assembly 300 is fixedly connected to the top end of the base 110;
The ejection assembly 200 comprises a connecting block 210, a telescopic rod 220 is fixedly connected to one side of the bottom end of the connecting block 210, a fixing rod 230 is slidably connected to the surface of the telescopic rod 220, a first rack 240 is arranged at the bottom end of the fixing rod 230, a meshed first gear 250 is arranged on the first rack 240, a first base rod 260 is fixedly connected to the center position of the first gear 250, a second gear 270 fixed to the surface of the first base rod 260 is arranged on one side of the first gear 250, a meshed second rack 280 is arranged at the lower end of the second gear 270, a meshed third gear 290 is arranged on one side, far away from the second gear 270, of the second rack 280, a second base rod 2910 is fixedly connected to the center position of the third gear 290, a fourth gear 2920 fixed to the surface of the second base rod 2910 is arranged on one side of the third gear 290, a meshed third rack 2930 is arranged on one side of the fourth gear 2920, a top rod 2940 is connected to the top rod 2940, and a top plate 2950 is fixedly connected to the top rod 2940.
When the novel product manufacturing device is used, the electric push rod 140 drives the movable plate 150 to lift, the movable plate 150 drives the female die 160 to move until the female die 160 is attached to the male die 170 to manufacture a novel product, then the female die 160 is separated from the male die 170 through the electric push rod 140, after the female die 160 is lifted to drive the telescopic rod 220 to synchronously lift a certain distance, the telescopic rod 220 is pulled to drive the fixed rod 230 to drive the first rack 240 to move, the first rack 240 drives the first gear 250 to rotate, the first gear 250 drives the second gear 270 to synchronously rotate through the first base rod 260, the second gear 270 drives the second rack 280 to move, the second rack 280 moves to drive the third gear 290 to rotate, the third gear 2910 drives the fourth gear 2920 to rotate through the second base rod 2910, the fourth gear 2920 drives the third rack 2930 to move upwards, the ejector rod 2940 drives the top plate 2950 to eject the novel product, delayed ejection is effectively realized, the novel product can be cooled, and meanwhile, workers can conveniently take the novel product out, and the working efficiency is further improved.
Referring to fig. 1 and 2, a supporting rod 120 is fixedly connected to corners of the top end of the base 110, a positioning plate 130 is fixedly connected to the top end of the supporting rod 120, an electric push rod 140 is mounted on the top end of the positioning plate 130, a moving plate 150 is fixedly connected to the end of the moving rod of the electric push rod 140, a female die 160 is fixedly connected to the bottom end of the moving plate 150, shaft sleeves 151 are fixed to two sides of the moving plate 150, a guide shaft 152 is slidably connected to the shaft sleeves 151, a male die 170 matched with the female die 160 is fixedly connected to the top end of the base 110, one side of the female die 160 is fixedly connected to a connecting block 210, and the bottom end of the guide shaft 152 is fixedly connected to the base 110.
By the mutual engagement of the sleeve 151 and the guide shaft 152, the male mold 170 and the female mold 160 are more stable when engaged with each other.
Referring to fig. 3, the bottom end of the fixing rod 230 is fixedly connected to the top end of the first rack 240, the bottom end of the push rod 2940 is fixedly connected to the third rack 2930, the push rod 2940 is slidably connected to the male mold 170, and the top plate 2950 is disposed in the male mold.
The third rack 2930 drives the ejector rod 2940 to ascend, so that the top plate 2950 drives the injection molded product to eject out, and the injection molded product is convenient to take.
Referring to fig. 2 and 4, the cooling assembly 300 includes two sets of piston cylinders 310 fixed on the top end of the base 110, a spring 320 fixedly connected to the bottom end of the inner wall of the piston cylinders 310, a piston 330 fixedly connected to the top end of the spring 320, a piston rod 340 fixedly connected to the top end of the piston 330, a connecting pipe 350 provided on the surface of the piston cylinders 310, a nozzle 360 mounted on one end of the connecting pipe 350 far from the piston cylinders 310, a squeezing block 341 provided above the piston rod 340, and the squeezing block 341 fixedly connected to the bottom end of the moving plate 150.
The extrusion block 341 on the moving plate 150 is separated from the extrusion of the piston rod 340 by the rising of the female die 160, the piston 330 is moved upwards under the action of the spring 320, the gas in the piston cylinder 310 is extruded by the piston 330, the gas is ejected from the nozzle 360 through the connecting pipe 350, and the temperature of the injection molded product is further lowered.
When the injection molding device is used, the electric push rod 140 drives the movable plate 150 to lift, the movable plate 150 drives the female die 160 to move until the female die 160 is attached to the male die 170 to manufacture a product, then the electric push rod 140 enables the female die 160 to be separated from the male die 170, after the female die 160 rises to drive the telescopic rod 220 to synchronously lift a certain distance, the telescopic rod 220 pulls the fixed rod 230 to drive the first rack 240 to move, the first rack 240 drives the first gear 250 to rotate, the first gear 250 drives the second gear 270 to synchronously rotate through the first base rod 260, the second gear 270 drives the second rack 280 to move, the second rack 280 moves to drive the third gear 290 to rotate, the third gear 290 drives the fourth gear 2920 to rotate through the second base rod 2910, the fourth gear 2920 drives the third rack 2930 to move upwards, the top plate 2950 is driven to eject the product, delay ejection is effectively realized, the product can be cooled, meanwhile, workers can take the product out, the working efficiency is further improved, simultaneously, the 160 rises to enable the extrusion block 341 on the movable plate 150 to extrude the piston rod 340 to extrude the piston 330 under the action of the spring 330, the piston 330 moves to extrude the gas from the inner part of the piston rod 310 through the piston tube 350, and the extrusion tube is cooled by the extrusion tube 360.
Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.
Claims (7)
1. Plastic mould with time-delay ejection structure, comprising a mould assembly (100), characterized in that: the die assembly (100) comprises a base (110), wherein an ejection assembly (200) is fixedly connected inside the base (110), and a cooling assembly (300) is fixedly connected to the top end of the base (110);
The ejector assembly (200) comprises a connecting block (210), telescopic rod (220) is fixedly connected to one side of the bottom end of the connecting block (210), fixed rod (230) is connected to the surface of the telescopic rod (220) in a sliding mode, first rack (240) is arranged at the bottom end of the fixed rod (230), first gear (250) meshed with the first rack is arranged on the first rack (240), first base rod (260) is fixedly connected to the center position of the first gear (250), second gear (270) fixed to the surface of the first base rod (260) is arranged on one side of the first gear (250), second rack (280) meshed with the second rack is arranged at the lower end of the second gear (270), third gear (290) meshed with one side of the second rack (280) is arranged on one side of the second rack (280), second base rod (2910) is fixedly connected to the center position of the third rack (290), fourth gear (2910) fixed to the surface of the second base rod (2910) is arranged on one side of the third gear (290), and top plate (2940) is fixedly connected to the top end of the third rack (2940).
2. The plastic mold with a delayed ejection structure of claim 1, wherein: the utility model discloses a base, including base (110), locating plate (130), movable rod (140), movable rod tip fixedly connected with movable plate (150), movable plate (150) bottom fixedly connected with master model (160), and movable plate (150) both sides are fixed with axle sleeve (151), sliding connection has guiding axle (152) in axle sleeve (151) on the corner fixedly connected with bracing piece (120), locating plate (130) top is installed electric putter (140).
3. The plastic mold with a delayed ejection structure of claim 2, wherein: the base (110) top fixedly connected with and female die (160) assorted public mould (170), female die (160) one side and connecting block (210) fixed connection, guiding axle (152) bottom fixed connection is in base (110).
4. The plastic mold with a delayed ejection structure of claim 1, wherein: the bottom end of the fixed rod (230) is fixedly connected to the top end of the first rack (240), and the bottom end of the ejector rod (2940) is fixedly connected to the third rack (2930).
5. The plastic mold with a delayed ejection structure of claim 1, wherein: the ejector rod (2940) is in sliding connection with the male die (170), and the top plate (2950) is arranged in the male die.
6. The plastic mold with a delayed ejection structure of claim 1, wherein: the cooling assembly (300) comprises two groups of piston cylinders (310) fixed at the top end of the base (110), springs (320) are fixedly connected to the bottom end of the inner wall of each piston cylinder (310), pistons (330) are fixedly connected to the top ends of the springs (320), piston rods (340) are fixedly connected to the top ends of the pistons (330), connecting pipes (350) are arranged on the surfaces of the piston cylinders (310), and spray heads (360) are installed at one ends, far away from the piston cylinders (310), of the connecting pipes (350).
7. The plastic mold with a delayed ejection structure of claim 6, wherein: an extrusion block (341) is arranged right above the piston rod (340), and the extrusion block (341) is fixedly connected to the bottom end of the movable plate (150).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221067073U true CN221067073U (en) | 2024-06-04 |
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