CN215943600U - Mold opening device for injection mold - Google Patents
Mold opening device for injection mold Download PDFInfo
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- CN215943600U CN215943600U CN202122506375.3U CN202122506375U CN215943600U CN 215943600 U CN215943600 U CN 215943600U CN 202122506375 U CN202122506375 U CN 202122506375U CN 215943600 U CN215943600 U CN 215943600U
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Abstract
The utility model belongs to the technical field of molds, and particularly relates to a mold opening device for an injection mold, which comprises a bottom plate, wherein the bottom plate is provided with a slide rod, the slide rod is provided with a top plate, the slide rod is provided with a male mold, the upper end of the bottom plate is provided with a female mold matched with the male mold, the lower end of the female mold is provided with a rectangular groove which transversely penetrates through the female mold, the top of the rectangular groove is provided with four circular grooves communicated with a cavity of the female mold, a rectangular plate is arranged in the rectangular groove, the upper end of the rectangular plate is provided with four cylinders which are respectively connected in the four circular grooves in a sealing and sliding manner, the left end and the right end of the rectangular plate extend out of the rectangular groove and are fixedly connected with two vertical plates which are distributed in the front and the back, the four slide rods are respectively connected with slide blocks in a sliding manner, the upper ends of the four vertical plates are respectively fixedly connected with the upper ends of the four vertical plates, springs sleeved outside the slide rods are arranged on the lower sides of the four slide blocks, the mold opening device has a simpler integral structure and lower production cost, and does not need manual mold opening, meanwhile, the injection molding piece can be automatically pushed out, and the operation cost can be reduced to a certain extent.
Description
Technical Field
The utility model belongs to the technical field of molds, and particularly relates to a mold opening device for an injection mold.
Background
An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Injecting heated and melted plastic into a mold cavity at high pressure by an injection molding machine, and cooling and solidifying to obtain a formed product, wherein the mold is divided into a thermosetting plastic mold and a thermoplastic plastic mold according to forming characteristics; the injection mold can be divided into a cold runner mold and a hot runner mold by a pouring system, and can be divided into a movable type and a fixed type by a loading and unloading method, but the mold is too heavy, and is difficult to open when the mold is opened to take out a product, so the mold needs to be opened.
However, the existing mold opening device is complex in structure and high in cost, so that the existing requirements are not met, and the mold opening device for the injection mold is provided.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: aims to provide a mold opening device for an injection mold, which is used for solving the problems in the background technology.
In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows:
the die sinking device for the injection mold comprises a bottom plate, wherein four slide bars which are distributed in a rectangular shape are fixedly connected to the upper end of the bottom plate, a top plate is fixedly connected to the upper ends of the four slide bars, a male die is connected between the four slide bars in a sliding manner, and an injection molding machine head is arranged at the upper end of the male die;
the upper end of the bottom plate is provided with a female die matched with the male die, the lower end of the female die is provided with a rectangular groove which is transversely arranged in a penetrating manner, the top of the rectangular groove is provided with four circular grooves communicated with a die cavity of the female die, a rectangular plate is arranged in the rectangular groove, the upper end of the rectangular plate is provided with four cylinders, the four cylinders are respectively connected in the four circular grooves in a sealing and sliding manner, the left end and the right end of the rectangular plate extend out of the rectangular groove and are fixedly connected with two vertical plates which are distributed in the front and back direction, the four sliding rods are respectively connected with sliding blocks in a sliding manner, the four sliding blocks are respectively fixedly connected with the upper ends of the four vertical plates, and springs sleeved outside the sliding rods are arranged on the lower sides of the four sliding blocks;
the upper end of the bottom plate is provided with a driving mechanism, the output end of the driving mechanism is in transmission connection with two lead screws penetrating through the lower end of the top plate, and the outer side of each lead screw is in threaded connection with a connecting plate fixedly connected with the male die.
Actuating mechanism includes through support fixed connection at the motor of roof upper end, the output transmission of motor is connected with first gear, two the equal fixedly connected with second gear of roof one end that runs through of lead screw, two the second gear all rotates with the roof to be connected, two the transmission is connected with drive chain between second gear and the first gear.
The motor can drive the first gear to rotate when being electrified, the first gear can drive the two second gears to synchronously rotate through the transmission chain when rotating, and the two second gears can drive the two screw rods to synchronously rotate.
The support includes plectane and a plurality of L shape support frame, a plurality of L shape support frame evenly sets up the side at the plectane, the upper end fixed connection of L shape support frame lower extreme and roof, the one end fixed connection of motor is at the plectane lower extreme.
The number of teeth of the first gear is smaller than that of the second gear, so that the effects of speed reduction and distance increase can be achieved, and the screw rod can obtain larger moment.
The top plate is fixedly connected with a protection cover covering the driving mechanism, and the protection cover can protect the driving mechanism.
The connecting plate and the male die are of an integrally formed structure, and the structure is stable, reliable, firm and durable.
The utility model provides a mold opening device for an injection mold, which is simple in overall structure and low in production cost, does not need manual mold opening, can automatically push out an injection molding part, and can reduce the operation cost to a certain extent.
Drawings
The utility model is further illustrated by the non-limiting examples given in the figures.
FIG. 1 is a schematic structural diagram of an embodiment of a mold opening device for an injection mold according to the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a partial schematic view of the present invention;
FIG. 4 is a schematic structural view of the male die of the present invention;
FIG. 5 is a schematic structural diagram of a rectangular plate according to the present invention.
The main element symbols are as follows:
the device comprises a bottom plate 1, a sliding rod 2, a top plate 21, a male die 22, an injection molding machine head 23, a female die 24, a rectangular groove 25, a circular groove 26, a rectangular plate 3, a cylinder 31, a vertical plate 32, a sliding block 33, a spring 34, a screw rod 4, a connecting plate 41, a bracket 5, a motor 51, a first gear 52, a second gear 53, a transmission chain 54, a circular plate 6, an L-shaped support frame 61 and a protective cover 62.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1-5, the mold opening device for the injection mold comprises a bottom plate 1, four slide bars 2 which are distributed in a rectangular shape are fixedly connected to the upper end of the bottom plate 1, a top plate 21 is fixedly connected to the upper ends of the four slide bars 2, a male mold 22 is slidably connected between the four slide bars 2, and an injection mold head 23 is arranged at the upper end of the male mold 22;
the upper end of the bottom plate 1 is provided with a female die 24 matched with the male die 22, the lower end of the female die 24 is provided with a rectangular groove 25 transversely penetrating through the female die, the top of the rectangular groove 25 is provided with four circular grooves 26 communicated with a die cavity of the female die 24, a rectangular plate 3 is arranged in the rectangular groove 25, the upper end of the rectangular plate 3 is provided with four cylinders 31, the four cylinders 31 are respectively connected in the four circular grooves 26 in a sealing and sliding manner, the left end and the right end of the rectangular plate 3 extend out of the rectangular groove 25 and are fixedly connected with two vertical plates 32 distributed front and back, four sliding rods 2 are respectively connected with sliding blocks 33 in a sliding manner, the four sliding blocks 33 are respectively fixedly connected with the upper ends of the four vertical plates 32, and the lower sides of the four sliding blocks 33 are respectively provided with springs 34 sleeved on the outer sides of the sliding rods 2;
the upper end of the bottom plate 1 is provided with a driving mechanism, the output end of the driving mechanism is connected with two lead screws 4 penetrating through the lower end of the top plate 21 in a transmission manner, and the outer side of each lead screw 4 is connected with a connecting plate 41 fixedly connected with the male die 22 in a threaded manner.
During injection molding, the two screw rods 4 are driven by the driving mechanism to synchronously rotate in the forward direction, the two connecting plates 41 are respectively in threaded connection with the two screw rods 4, and the male die 22 is in sliding connection with the four slide rods 2, so that the two screw rods 4 can drive the male die 22 to move downwards during forward rotation, after the male die 22 and the female die 24 are assembled, the driving mechanism is controlled to stop working, at the moment, a die cavity on the upper side of the female die 24 is sealed by the male die 22, during the process of assembling the dies, the male die 22 can press down the four slide blocks 33, the four slide blocks 33 overcome the elasticity of the springs 34 to drive the four vertical plates 32 to press down the rectangular plate 3, the rectangular plate 3 drives the four cylinders 31 to move downwards, when the dies are completely assembled, the upper ends of the four cylinders 31 are flush with the bottom of the die cavity, at the plastic is injected into the die cavity through the injection molding head 23, after an injection molding piece is cooled and molded, the two screw rods 4 are driven by the driving mechanism to synchronously rotate in the reverse direction, make two lead screws 4 drive terrace die 22 upward movement, at the in-process of terrace die 22 upward movement, four springs 34 can promote four sliders 33 upward movement respectively, make four sliders 33 drive rectangular plate 3 upward movement through riser 32, make cylinder 31 on the rectangular plate 3 stretch out from the upside of circular slot 26, make cylinder 31 release the injection molding from the die cavity, just so accomplish the drawing of patterns action of injection molding, this mold opening device overall structure is comparatively simple, low in production cost, need not the manual work in addition and carry out the die sinking, can release the injection molding automatically simultaneously, can reduce running cost to a certain extent.
The driving mechanism comprises a motor 51 fixedly connected to the upper end of the top plate 21 through a support 5, the output end of the motor 51 is connected with a first gear 52 in a transmission mode, one end of the penetrating top plate 21 of the two screw rods 4 is fixedly connected with a second gear 53, the two second gears 53 are rotatably connected with the top plate 21, and a transmission chain 54 is connected between the two second gears 53 and the first gear 52 in a transmission mode.
When the motor 51 is powered on to work, the first gear 52 can be driven to rotate, when the first gear 52 rotates, the two second gears 53 can be driven to synchronously rotate through the transmission chain 54, and the two second gears 53 can drive the two screw rods 4 to synchronously rotate.
The support 5 comprises a circular plate 6 and a plurality of L-shaped support frames 61, the L-shaped support frames 61 are evenly arranged on the side face of the circular plate 6, the lower ends of the L-shaped support frames 61 are fixedly connected with the upper end of the top plate 21, and one end of the motor 51 is fixedly connected with the lower end of the circular plate 6.
The number of teeth of the first gear 52 is smaller than that of the second gear 53, so that the functions of speed reduction and distance increase can be achieved, and the screw rod 4 can obtain larger moment.
The top plate 21 is fixedly connected with a protective cover 62 covering the driving mechanism, and the protective cover 62 can protect the driving mechanism.
The connecting plate 41 and the male die 22 are of an integrally formed structure, and the structure is stable, reliable, firm and durable.
The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a mold opening device for injection mold, includes the bottom plate, its characterized in that: the upper end of the bottom plate is fixedly connected with four slide bars which are distributed in a rectangular shape, the upper ends of the four slide bars are fixedly connected with a top plate, a male die is connected among the four slide bars in a sliding manner, and the upper end of the male die is provided with an injection molding machine head;
the upper end of the bottom plate is provided with a female die matched with the male die, the lower end of the female die is provided with a rectangular groove which is transversely arranged in a penetrating manner, the top of the rectangular groove is provided with four circular grooves communicated with a die cavity of the female die, a rectangular plate is arranged in the rectangular groove, the upper end of the rectangular plate is provided with four cylinders, the four cylinders are respectively connected in the four circular grooves in a sealing and sliding manner, the left end and the right end of the rectangular plate extend out of the rectangular groove and are fixedly connected with two vertical plates which are distributed in the front and back direction, the four sliding rods are respectively connected with sliding blocks in a sliding manner, the four sliding blocks are respectively fixedly connected with the upper ends of the four vertical plates, and springs sleeved outside the sliding rods are arranged on the lower sides of the four sliding blocks;
the upper end of the bottom plate is provided with a driving mechanism, the output end of the driving mechanism is in transmission connection with two lead screws penetrating through the lower end of the top plate, and the outer side of each lead screw is in threaded connection with a connecting plate fixedly connected with the male die.
2. The mold opening device for an injection mold according to claim 1, characterized in that: actuating mechanism includes through support fixed connection at the motor of roof upper end, the output transmission of motor is connected with first gear, two the equal fixedly connected with second gear of roof one end that runs through of lead screw, two the second gear all rotates with the roof to be connected, two the transmission is connected with drive chain between second gear and the first gear.
3. The mold opening device for an injection mold according to claim 2, characterized in that: the support includes plectane and a plurality of L shape support frame, a plurality of L shape support frame evenly sets up the side at the plectane, the upper end fixed connection of L shape support frame lower extreme and roof, the one end fixed connection of motor is at the plectane lower extreme.
4. The mold opening device for an injection mold according to claim 2, characterized in that: the number of teeth of the first gear is less than that of the second gear.
5. A mold opening device for an injection mold according to any one of claims 2-4, characterized in that: the top plate is fixedly connected with a protective cover which covers the driving mechanism.
6. The mold opening device for an injection mold according to claim 1, characterized in that: the connecting plate and the male die are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122506375.3U CN215943600U (en) | 2021-10-18 | 2021-10-18 | Mold opening device for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122506375.3U CN215943600U (en) | 2021-10-18 | 2021-10-18 | Mold opening device for injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215943600U true CN215943600U (en) | 2022-03-04 |
Family
ID=80413218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122506375.3U Active CN215943600U (en) | 2021-10-18 | 2021-10-18 | Mold opening device for injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215943600U (en) |
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2021
- 2021-10-18 CN CN202122506375.3U patent/CN215943600U/en active Active
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