CN220903997U - Injection mold of conveyer plastic chain plate - Google Patents
Injection mold of conveyer plastic chain plate Download PDFInfo
- Publication number
- CN220903997U CN220903997U CN202322538056.XU CN202322538056U CN220903997U CN 220903997 U CN220903997 U CN 220903997U CN 202322538056 U CN202322538056 U CN 202322538056U CN 220903997 U CN220903997 U CN 220903997U
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- 238000002347 injection Methods 0.000 title claims abstract description 48
- 239000007924 injection Substances 0.000 title claims abstract description 48
- 229920003023 plastic Polymers 0.000 title claims abstract description 15
- 239000004033 plastic Substances 0.000 title claims abstract description 15
- 238000001746 injection moulding Methods 0.000 claims abstract description 115
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Abstract
The utility model relates to an injection mold of a plastic chain plate of a conveyor, which comprises a hot runner plate, a mold closing/separating transmission mechanism, a demolding cylinder and two groups of injection molding units arranged along the mirror image of the hot runner plate, wherein each group of injection molding units comprises a rear mold fixing plate, a demolding top plate, an ejector pin reset plate, a rear mold insert positioning plate and a front mold insert positioning plate which are sequentially arranged, the front mold insert positioning plates of each group of injection molding units are arranged on two sides of the hot runner plate, the front mold insert positioning plates are communicated with the hot runner plate, a core pulling mechanism is arranged between the rear mold insert positioning plates and the front mold insert positioning plates, the hot runner plate is provided with the mold closing/separating transmission mechanism, the rear mold fixing plates of one group of injection molding molds are connected with a rear mold plate of the injection molding machine in a matched manner, and a piston of the demolding cylinder is detachably connected with the demolding top plate of the group of injection molding molds. The utility model optimizes the layout of the injection product on the injection mold, improves the production efficiency of injection by one time, shortens the length of the core-pulling mechanism and improves the operation reliability.
Description
Technical Field
The utility model relates to an injection mold, in particular to an injection mold for injection molding of a plastic chain plate of a conveyor.
Background
The existing conveyor plastic chain plate is formed by injection molding through an injection molding machine, the injection molding machine is provided with an injection mold, and in the injection molding process, the injection molding machine is formed by injecting the heated fluid sizing material into the injection mold and then integrally injection molding. The injection mold in the prior art consists of a front/rear mold fixing plate, a thimble plate, a demolding top plate, a front/rear mold core positioning plate, a front/rear mold core, a core pulling mechanism and a hot runner system. The front/rear mold cores of the mold are respectively arranged on the front mold core positioning plate and the rear mold core positioning plate, after the front/rear mold core positioning plate is arranged on an injection molding machine, the front/rear mold positioning plate is respectively fixed at the feeding end of the injection molding machine, namely the front end, and the flange end of a mold separating and assembling movement mechanism of the injection molding machine, namely the rear end, and the mold cores in the front mold core positioning plate and the rear mold core positioning plate can only form an injection molding cavity in an independent mold assembling plane, so that the mold with the structure has the following defects:
1. the injection molding parts (conveying chain plates) can only be arranged at the longitudinal section position of the core pulling mechanism under the limitation of the layout structure, and when the length of the chain plates is more than 200mm, only one injection molding part can be placed in the vertical direction of the section.
2. When the length of the chain plate is more than 200mm, the dimension proportion of the chain plate in the width direction perpendicular to the length direction is more than 1/4 of that of the length direction, and at most two injection molding pieces can be placed in the width direction.
3. The length of the loose core needles is generally greater than 300mm under the limit of the length of the chain plates, two loose core needles are needed for each chain plate, 4 loose core needles are needed for two products, and the overlong loose core needles are extremely easy to produce clamping stagnation under the state of unbalanced heat of the die, so that the production efficiency is influenced.
4. The traditional structure of the die is limited by longer flowing stroke of sizing materials, and the problems of unbalanced feeding of sizing materials between acupoints and large deformation of the chain plate after heat balance exist at different degrees.
5. The maintenance period of the die is long, and it is difficult to further improve the production efficiency to meet the increasing productivity requirement.
Disclosure of Invention
The purpose of the utility model is that: the injection mold of the plastic chain plate of the conveyor optimizes the layout of injection products, improves the production efficiency of injection by one time, shortens the length of a core pulling mechanism and improves the operation reliability.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: an injection mold of a plastic chain plate of a conveyor is characterized in that: comprises a hot runner plate, a die assembly/separation transmission mechanism and a demolding cylinder, two groups of injection molding units which are arranged along the mirror image of the hot runner plate,
Each group of injection molding units comprises a rear die fixing plate, a demolding top plate, an ejector pin reset plate, a rear die core positioning plate and a front die core positioning plate which are sequentially arranged, wherein the rear die fixing plate, the demolding top plate, the ejector pin reset plate and the rear die core positioning plate are connected in series through ejector pin plate guide columns and are in sliding fit with the ejector pin plate guide columns, the rear die fixing plate and the demolding top plate are detachably connected, the ejector plate and the ejector pin reset plate are detachably connected, the demolding top plate, the ejector pin plate and the ejector pin reset plate are elastically connected with the rear die core positioning plate through return springs,
The front mold insert locating plate and the rear mold insert locating plate are respectively provided with a front mold insert and a rear mold insert, a mold cavity for injection molding is formed when the front mold insert and the rear mold insert are combined, the front mold insert locating plates of the two groups of injection molding units are respectively arranged at two sides of the hot runner plate, the front mold insert locating plate is detachably connected with the hot runner plate, a core pulling mechanism for forming a pin hole of an injection molding piece is arranged between the rear mold insert locating plate and the front mold insert locating plate,
The hot runner plate is provided with a mold clamping/mold separating transmission mechanism for driving the rear mold insert positioning plate and the front mold insert positioning plate in each group of injection molding units to synchronously clamp and separate molds, wherein the rear mold fixing plate of one group of injection molds is matched and connected with the rear mold plate of the injection molding machine, the demolding top plate is connected with the center push rod of the rear mold plate of the injection molding machine through a screw rod, the demolding oil cylinder is arranged between the rear mold fixing plate and the demolding top plate of the other group of injection molds, and the piston of the demolding oil cylinder is detachably connected with the demolding top plate of the group of injection molds.
In the technical scheme, the front die core positioning plate is provided with the front die guide post and the rear die guide post which are in sliding fit with the rear die core positioning plate and are used for guiding.
In the above technical scheme, compound die/divide mould drive mechanism includes drive gear, spacing gear seat and rack, be equipped with spacing gear seat on the hot runner plate, be equipped with respectively rather than fixed connection's rack on the lateral surface of the back mould benevolence locating plate of every group injection molding unit, and two sets of racks are arranging from top to bottom and simultaneously with spacing gear seat sliding fit, be equipped with rather than normal running fit's drive gear on the hot runner plate, drive gear is located between the rack of arranging from top to bottom, and drive gear meshes with two sets of racks simultaneously, and the unit split die action of moulding plastics of a set of injection molding unit that is connected with injection molding machine back form cooperation utilizes the rack synchronous transfer to another group injection molding unit and accomplishes split die/compound die action.
In the technical scheme, the die closing/separating transmission mechanism further comprises a protective cover, and the protective cover is detachably connected with the limiting gear seat.
In the above technical scheme, the hot runner unit in the hot runner plate is connected with one end of an injection joint, and the other end of the injection joint passes through the front mold insert locating plate and is communicated with the rear mold insert in the rear mold insert locating plate.
The utility model has the positive effects that: after the injection mold of the plastic chain plate of the conveyor is adopted, as the utility model comprises the hot runner plate, the mold closing/separating transmission mechanism, the demolding oil cylinder and two groups of injection molding units which are arranged along the mirror image of the hot runner plate,
Each group of injection molding units comprises a rear die fixing plate, a demolding top plate, an ejector pin reset plate, a rear die core positioning plate and a front die core positioning plate which are sequentially arranged, wherein the rear die fixing plate, the demolding top plate, the ejector pin reset plate and the rear die core positioning plate are connected in series through ejector pin plate guide columns and are in sliding fit with the ejector pin plate guide columns, the rear die fixing plate and the demolding top plate are detachably connected, the ejector plate and the ejector pin reset plate are detachably connected, the demolding top plate, the ejector pin plate and the ejector pin reset plate are elastically connected with the rear die core positioning plate through return springs,
The front mold insert locating plate and the rear mold insert locating plate are respectively provided with a front mold insert and a rear mold insert, a mold cavity for injection molding is formed when the front mold insert and the rear mold insert are combined, the front mold insert locating plates of the two groups of injection molding units are respectively arranged at two sides of the hot runner plate, the front mold insert locating plate is detachably connected with the hot runner plate, a core pulling mechanism for forming a pin hole of an injection molding piece is arranged between the rear mold insert locating plate and the front mold insert locating plate,
The hot runner plate is provided with a mould clamping/separating transmission mechanism for driving a rear mould core positioning plate and a front mould core positioning plate in each group of injection moulding units to synchronously clamp and separate moulds, wherein a rear mould fixing plate of one group of injection moulding moulds is matched and connected with a rear mould plate of the injection moulding machine, a demoulding top plate is connected with a central push rod of the rear mould plate of the injection moulding machine by a screw rod, a demoulding oil cylinder is arranged between the rear mould fixing plate and the demoulding top plate of the other group of injection moulding moulds, a piston of the demoulding oil cylinder is detachably connected with the demoulding top plate of the group of injection moulding moulds,
When the mold is closed for injection molding, the rear mold core positioning plate and the front mold core positioning plate of each group of injection molding units are closed, and the hot runner units in the hot runner plates are used for simultaneously injecting glue materials into the mold cavities of the two groups of injection molding units, so that the injection molding of two injection molding machines can be finished on the injection mold at one time, the injection molding quantity is 2 times of that of the original injection molding machines,
After injection molding is finished, the rear template of the injection molding machine synchronously pulls the rear template fixing plate of one group of injection molding units, the demoulding top plate, the ejector pin reset plate and the rear mould core positioning plate away through the rear template fixing plate of the other group of injection molding units, synchronously transmits the mould separating action to the other group of injection molding units by using a mould closing/separating transmission mechanism, thereby providing a mould separating and closing power source for the other group of injection molding units,
At the moment, the rear die core positioning plate and the front die core positioning plate of each group of injection units are separated, and simultaneously, the core pulling mechanism between the rear die core positioning plate and the front die core positioning plate of each group of injection units synchronously withdraws from the core pulling mode up and down; after the core pulling needle is withdrawn to a set position, a push rod at the center of a rear template of the injection molding machine pushes a demolding top plate of a group of injection molding units so as to push an ejector plate to move forwards (rightwards), and a chain plate formed by injection molding is ejected through an ejector pin on the ejector plate, so that the separation of a workpiece and a die core is completed; the other group of injection molding units pushes out the center push rod of the rear template of the former group of injection molding machine, and simultaneously, the ejector pins on the ejector pins of the group of ejector pins are ejected out of the corresponding injection molding chain plates under the action of the demolding cylinder, the core-pulling mechanism of the novel mold is for synchronously pulling core up and down, thereby avoiding the adoption of overlong core-pulling pins in one direction in the prior art because of the clamping stagnation generated under the state of unbalanced heat of the mold, improving the production efficiency,
Then, the center push rod of the rear template of the injection molding machine is retracted, the demolding top plate, the ejector pin plate and the ejector pin reset plate of the injection molding unit are retracted to an initial state through the ejector pin reset plate under the action of the return spring, and the demolding cylinder 15 of the injection molding unit of the other group is retracted, and the demolding top plate 2, the ejector pin plate 3 and the ejector pin reset plate 4 are retracted to the initial state through the ejector pin reset plate 4 of the injection molding unit under the action of the return spring 12, so that one injection molding cycle is completed. Finally, the mold closing of the rear mold core positioning plate and the front mold core positioning plate of the two groups of injection molding units is completed under the pushing of the center push rod of the rear mold plate of the injection molding machine and the action of the mold closing/mold dividing transmission mechanism, and a second injection molding cycle is started.
According to the utility model, the layout of injection products is optimized, and the mold opening and closing and demolding actions of the original single mold are synchronized to the corresponding actions of the mirror mold by adding the mold opening and closing transmission mechanism and the demolding cylinder, so that the production efficiency of the mold is doubled, and the injection efficiency is greatly improved; by further optimizing the core pulling mechanism and carrying out modularized upgrading on the die core structure, the running reliability of the die can be further improved, the maintenance performance is improved, and the running maintenance cost is saved.
Drawings
FIG. 1 is a schematic diagram of the structure of an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of the present utility model when the mold is closed;
FIG. 3 is a schematic view of the structure of the present utility model in the parting mode;
Fig. 4 is a schematic view of a three-dimensional exploded structure of the present utility model.
Detailed Description
The utility model is further illustrated, but not limited, by the following examples in connection with the accompanying drawings.
As shown in fig. 1, 2, 3 and 4, an injection mold for a plastic link plate of a conveyor comprises a hot runner plate 7, a mold closing/separating transmission mechanism 8 and a demolding cylinder 15, and two groups of injection molding units arranged in a mirror image along the hot runner plate 7,
Each group of injection molding units comprises a rear die fixing plate 1, a demolding top plate 2, a thimble plate 3, a thimble reset plate 4, a rear die core positioning plate 5 and a front die core positioning plate 6 which are sequentially arranged, wherein the rear die fixing plate 1, the demolding top plate 2, the thimble plate 3, the thimble reset plate 4 and the rear die core positioning plate 5 are connected in series through a thimble plate guide post 10 and are in sliding fit with the thimble plate, the rear die fixing plate 1 and the demolding top plate 2 are detachably connected, the thimble plate 3 and the thimble reset plate 4 are detachably connected, the demolding top plate 2, the thimble plate 3 and the thimble reset plate 4 are elastically connected with the rear die core positioning plate 5 through return springs 12,
The front mold core positioning plate 6 and the rear mold core positioning plate 5 are respectively provided with a front mold core 131 and a rear mold core 132, and when the front mold core 131 and the rear mold core 132 are combined, a mold cavity for injection molding is formed, the front mold core positioning plates 6 of the two groups of injection molding units are respectively arranged at two sides of the hot runner plate 7, the front mold core positioning plates 6 are detachably connected with the hot runner plate 7, a core pulling mechanism 11 for forming a pin hole of an injection molding piece is arranged between the rear mold core positioning plate 5 and the front mold core positioning plate 6,
The hot runner plate 7 is provided with a mold clamping/mold separating transmission mechanism 8 for driving the rear mold insert positioning plate 5 and the front mold insert positioning plate 6 in each group of injection molding units to synchronously clamp and separate molds, wherein the rear mold fixing plate 1 of one group of injection molds is matched and connected with the rear mold plate of the injection molding machine, the demolding top plate 2 is connected with the center push rod of the rear mold plate of the injection molding machine through a screw rod, the demolding cylinder 15 is arranged between the rear mold fixing plate 1 and the demolding top plate 2 of the other group of injection molds, and the piston of the demolding cylinder 15 is detachably connected with the demolding top plate 2 of the group of injection molds.
The demolding cylinder 15 may be a servo cylinder, a control cylinder/cylinder or the like.
As shown in fig. 3, in order to play a guiding role when the rear mold insert positioning plate is clamped or split relative to the front mold insert positioning plate, the precision of clamping or splitting is ensured, and the front mold insert positioning plate 6 is provided with front and rear mold guide posts 9 which are in sliding fit with the rear mold insert positioning plate 5 and play a guiding role.
As shown in fig. 4, in order to ensure the synchronism of the mold closing or mold opening actions of the two groups of injection molding units, the mold closing/mold opening transmission mechanism 8 comprises a transmission gear 82, a limiting gear seat 83 and racks 84, wherein the hot runner plate 7 is provided with the limiting gear seat 83, racks 84 fixedly connected with the outer side surface of the rear mold insert positioning plate 5 of each group of injection molding units are respectively arranged on the outer side surface of the rear mold insert positioning plate 5, the two groups of racks 84 are arranged up and down and are simultaneously in sliding fit with the limiting gear seat 83, the hot runner plate 7 is provided with a transmission gear 82 in rotating fit with the hot runner plate, the transmission gear 82 is positioned between the racks 84 arranged up and down, the transmission gear 82 is meshed with the two groups of racks 84 at the same time, and the mold opening action of one group of injection molding units in matching connection with the rear mold plate of the injection molding machine is synchronously transmitted to the other group of injection molding units by using the racks 84 to complete the mold opening/closing actions. Of course, the mold closing/opening transmission mechanism 8 of the present utility model is not limited to the rack-and-pinion structure, and the mold closing/opening transmission mechanism 8 may be a ball screw or a cam mechanism or the like.
As shown in fig. 4, in order to ensure the positioning of the gears and prevent the transmission gears from being polluted, the mold closing/separating transmission mechanism 8 further comprises a protective cover 81, and the protective cover 81 is detachably connected with a limiting gear seat 83.
As shown in fig. 3, in order to facilitate injecting the glue, the hot runner unit in the hot runner plate 7 is connected to one end of an injection joint 14, and the other end of the injection joint 14 passes through the front mold insert positioning plate 6 and then is communicated with the rear mold insert 132 in the rear mold insert positioning plate 5.
In the utility model, when the mold is closed and injection-molded, the rear mold core positioning plate 5 and the front mold core positioning plate 6 of each group of injection-molded units are closed, and the hot runner plate 7 is used for simultaneously injecting glue materials into the mold cavities of the two groups of injection-molded units, so that the injection molding of two groups (4 pieces in total) of injection-molded parts can be finished on the injection mold at one time, the injection molding quantity is 2 times of the original quantity,
After injection molding is finished, the rear template of the injection molding machine synchronously pulls the rear template fixing plate 1 of one group of injection molding units, the demolding top plate 2, the ejector plate 3, the ejector pin reset plate 4 and the rear die core positioning plate 5, synchronously transmits the die parting action to the other group of injection molding units by using the die clamping/parting transmission mechanism 8, so as to provide a die parting and clamping power source for the other group of injection molding units, specifically, when the rear die core positioning plate 5 of one group of injection molding units acts, the corresponding rack 84 drives the transmission gear 82 to rotate, further drives the rear die core positioning plate 5 of the other group of injection molding units to act along with the rack 84 and to split dies with the front die core positioning plate 6 of the group,
At this time, the mold cores 13 in the rear mold core positioning plate 5 and the front mold core positioning plate 6 of each injection unit are separated, at the same time, the core pulling mechanism 11 between the rear mold core positioning plate 5 and the front mold core positioning plate 6 of each injection unit is withdrawn from the core pulling mechanism in an up-down synchronous manner, after the core pulling needle is withdrawn to the set position, the ejector plate 2 of one injection unit is pushed by the ejector plate center push rod 16 of the injection unit to push the ejector plate 3 forward (move rightward), the ejector plate 17 of injection molding is ejected by the ejector pins on the ejector plate 3, the separation of the workpiece and the mold cores is completed, and meanwhile, the ejector pins on the ejector plate 3 of the other injection unit are ejected by the ejector pins on the ejector plate 3 of the group through the action of the ejector cylinders 15 while the ejector pins of the rear mold plate center push rod of the previous injection unit are pushed out. The optimized core-pulling mechanism is synchronously core-pulling up and down, avoids the problem that the overlong core-pulling needle is adopted for unidirectional core-pulling in the prior art because of the clamping stagnation generated in the state of heat unbalance of the mould, improves the production efficiency,
Next, the center push rod 16 of the rear template of the injection molding machine is retracted, the demolding top plate 2, the ejector plate 3 and the ejector pin reset plate 4 of the injection molding unit are retracted to an initial state through the ejector pin reset plate 4 under the action of the return spring 12, and the demolding cylinder 15 of the injection molding unit of the other group is retracted, and the demolding top plate 2, the ejector pin plate 3 and the ejector pin reset plate are retracted to the initial state through the ejector pin reset plate 4 under the action of the return spring 12, so that one injection molding cycle is completed. Finally, under the action of the pushing of the rear template of the injection molding machine and the mold closing/separating transmission mechanism, the mold closing of the rear mold core positioning plate and the front mold core positioning plate of the two groups of injection molding units is completed, and the second injection molding cycle is started.
According to the utility model, the layout of injection products is optimized, and the mold opening and closing and demolding actions of the original single mold are synchronized to the corresponding actions of the mirror mold by adding the mold opening and closing transmission mechanism and the demolding cylinder, so that the production efficiency of the mold is doubled, and the injection efficiency is greatly improved; by further optimizing the core pulling mechanism and carrying out modularized upgrading on the die core structure, the running reliability of the die can be further improved, the maintenance performance is improved, and the running maintenance cost is saved.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (5)
1. An injection mold of conveyer plastics link joint, its characterized in that: comprises a hot runner plate (7), a die assembly/separation transmission mechanism (8) and a demolding cylinder (15), and two groups of injection molding units which are arranged along the hot runner plate (7) in a mirror image manner,
Each group of injection molding units comprises a rear mold fixing plate (1), a demolding top plate (2), a thimble plate (3), a thimble reset plate (4), a rear mold core positioning plate (5) and a front mold core positioning plate (6) which are sequentially arranged, wherein the rear mold fixing plate (1), the demolding top plate (2), the thimble plate (3), the thimble reset plate (4) and the rear mold core positioning plate (5) are connected in series through a thimble plate guide post (10) and are in sliding fit with the thimble plate, the rear mold fixing plate (1) and the demolding top plate (2) are detachably connected, the thimble plate (3) and the thimble reset plate (4) are detachably connected, the demolding top plate (2), the thimble plate (3) and the thimble reset plate (4) are elastically connected with the rear mold core positioning plate (5) through return springs (12),
The front mold core positioning plate (6) and the rear mold core positioning plate (5) are respectively provided with a front mold core (131) and a rear mold core (132), a mold cavity for injection molding is formed when the front mold core (131) and the rear mold core (132) are combined, the front mold core positioning plates (6) of the two groups of injection molding units are respectively arranged at two sides of the hot runner plate (7), the front mold core positioning plates (6) are detachably connected with the hot runner plate (7), a core pulling mechanism (11) for forming injection molding pin holes is arranged between the rear mold core positioning plate (5) and the front mold core positioning plates (6),
The hot runner plate (7) is provided with a die clamping/separating transmission mechanism (8) for driving a rear die core positioning plate (5) and a front die core positioning plate (6) in each group of injection molding units to synchronously clamp and separate dies, wherein the rear die fixing plate (1) of one group of injection molding dies is matched and connected with a rear die plate of the injection molding machine, a demolding top plate (2) is connected with a central push rod of the rear die plate of the injection molding machine through a screw rod, a demolding oil cylinder (15) is arranged between the rear die fixing plate (1) and the demolding top plate (2) of the other group of injection molding dies, and a piston of the demolding oil cylinder (15) is detachably connected with the demolding top plate (2) of the group of injection molding dies.
2. The injection mold of a conveyor plastic flight of claim 1, wherein: the front die core positioning plate (6) is provided with a front die guide post and a rear die guide post (9) which are in sliding fit with the rear die core positioning plate (5) and are used for guiding.
3. The injection mold of a conveyor plastic flight of claim 1, wherein: the mold closing/mold dividing transmission mechanism (8) comprises a transmission gear (82), a limiting gear seat (83) and racks (84), wherein the limiting gear seat (83) is arranged on the hot runner plate (7), racks (84) fixedly connected with the outer side face of the rear mold insert positioning plate (5) of each injection molding unit are respectively arranged on the outer side face of the rear mold insert positioning plate, the two groups of racks (84) are arranged up and down and simultaneously in sliding fit with the limiting gear seat (83), the transmission gear (82) in running fit with the hot runner plate (7) is arranged on the hot runner plate, the transmission gear (82) is located between the racks (84) arranged up and down, the transmission gear (82) is meshed with the two groups of racks (84) simultaneously, and a group of injection molding unit mold closing actions connected with the rear mold plate of the injection molding machine are synchronously transmitted to another group of injection molding units by the racks (84) and mold dividing/mold closing actions are completed.
4. An injection mold for a conveyor plastic flight as in claim 3 wherein: the die closing/separating transmission mechanism (8) further comprises a protective cover (81), and the protective cover (81) is detachably connected with the limiting gear seat (83).
5. The injection mold of a conveyor plastic flight of claim 1, wherein: the hot runner unit in the hot runner plate (7) is connected with one end of an injection joint (14), and the other end of the injection joint (14) passes through the front mold core positioning plate (6) and then is communicated with the rear mold core (132) in the rear mold core positioning plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322538056.XU CN220903997U (en) | 2023-09-18 | 2023-09-18 | Injection mold of conveyer plastic chain plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322538056.XU CN220903997U (en) | 2023-09-18 | 2023-09-18 | Injection mold of conveyer plastic chain plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220903997U true CN220903997U (en) | 2024-05-07 |
Family
ID=90915111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322538056.XU Active CN220903997U (en) | 2023-09-18 | 2023-09-18 | Injection mold of conveyer plastic chain plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220903997U (en) |
-
2023
- 2023-09-18 CN CN202322538056.XU patent/CN220903997U/en active Active
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