Disclosure of utility model
In order to overcome the defects in the prior art, the utility model aims to provide the joint die with convenient demolding.
The utility model is realized by adopting the following technical scheme: a joint mold comprises a front mold component, a rear mold component and a side core-pulling component;
the front die assembly comprises a front die plate, and a joint female die is arranged on the front die plate;
The rear die assembly comprises a rear die plate, a connector male die is arranged on the rear die plate, and the connector female die and the connector male die form a connector injection cavity;
The side core pulling assembly comprises an inclined guide post, a guide block and a side core, wherein the inclined guide post is arranged on the front template, the guide block is slidably arranged on the rear template, an inclined guide groove is formed in the guide block, the inclined guide post stretches into the inclined guide groove, the side core is arranged on the guide block, and the side core stretches into the joint injection cavity;
When the mold is opened, the guide block drives the side mold core to be far away from the molded product under the driving of the inclined guide post so as to realize the demolding of the product.
In one possible implementation manner, the number of the connector female die and the number of the connector male dies are multiple, and each connector female die is arranged in a one-to-one correspondence with each connector male die.
In one possible embodiment, the rear template is provided with a guide groove, and the guide block is arranged in the guide groove.
In one possible implementation manner, the rear template is provided with a sliding rail, and the guide block is provided with a sliding groove matched with the sliding rail.
In one possible implementation manner, the front template is provided with a limiting block, the lower end of the limiting block is provided with a limiting protrusion, the rear template is provided with a limiting groove, and after the die is assembled, the limiting protrusion is inserted into the limiting groove.
In one possible implementation manner, a first sensor is arranged on the rear template, and a first pressing sheet corresponding to the first sensor is arranged on the front template.
In one possible implementation manner, the rear template is provided with an elastic locating piece, and the guide block is provided with a locating groove matched with the elastic locating piece.
In one possible embodiment, the front mold assembly further comprises a front mold fixing plate and a front mold base plate, the front mold base plate is disposed on the front mold fixing plate, and the front mold plate is disposed on the front mold base plate;
The back die assembly further comprises a back die fixing plate, two cushion blocks and a jacking plate, wherein the number of the cushion blocks is two, the cushion blocks are respectively arranged on two sides of the back die fixing plate, the jacking plate is arranged between the two cushion blocks, and the back die plate is arranged on the cushion blocks.
In one possible implementation manner, the jacking plate is provided with a plurality of ejector pins, the connector male die is provided with a plurality of ejector pin holes, and each ejector pin is respectively and slidably connected in each ejector pin hole.
In one possible implementation manner, the rear die fixing plate is provided with a second sensor, and the jacking plate is provided with a second pressing piece corresponding to the second sensor.
Compared with the prior art, the utility model has the beneficial effects that: the side core of the side core-pulling assembly is stretched into the joint injection cavity to form a hollow structure of a joint product, and the inclined guide post and the inclined guide groove are arranged to enable the guide block to drive the side core to be far away from a molded product when the mold is opened, so that the separation of the side core and the molded product is realized, and the purpose of facilitating the demolding of the product is achieved.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that, in the embodiments of the present application, all directional indicators (such as up, down, left, right, front, and rear … …) are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific gesture (as shown in the drawings), and if the specific gesture changes, the directional indicators correspondingly change.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.
A joint mold as shown in fig. 1 to 6, comprising a front mold assembly 1, a rear mold assembly 2 and a side core pulling assembly 3; the front mould assembly 1 comprises a front mould plate 13, and a joint female mould 14 is arranged on the front mould plate 13; the rear die assembly 2 comprises a rear die plate 23, a connector male die 24 is arranged on the rear die plate 23, and a connector injection cavity is formed by the connector female die 14 and the connector male die 24; the side core pulling assembly 3 comprises an inclined guide post 31, a guide block 32 and a side core 33, wherein the inclined guide post 31 is arranged on the front template 13, the guide block 32 is slidably arranged on the rear template 23, an inclined guide groove 321 is arranged on the guide block 32, the inclined guide post 31 extends into the inclined guide groove 321, the side core 33 is arranged on the guide block 32, and the side core 33 extends into the joint injection cavity; when the mold is opened, the guide block 32 drives the side mold core 33 to be far away from the molded product under the driving of the inclined guide post 31 so as to realize the demolding of the product. Specifically, the mold further comprises a pouring system and a cooling system, wherein a pouring gate is arranged on the front mold assembly 1, the pouring gate is connected with a main runner, the main runner is connected with a split runner, and the split runner is communicated with the joint injection cavity; in addition, all be equipped with cooling duct on front mould subassembly 1 and the back mould subassembly 2 to make the shaping product can cool off fast, and, still be equipped with on the back template 23 and dodge the groove 236, dodge the groove 236 and communicate with oblique guide slot 321, during the compound die, can stretch into when oblique guide pillar 31 after passing oblique guide slot 321 and dodge the inslot 236, in order to avoid oblique guide pillar 31 to contradict back template 23, be favorable to making the more thorough of mould compound die, in addition, still be equipped with first guide post 16 on the front mould subassembly 1, be equipped with on the back mould subassembly 2 with first guide post 16 complex first guiding hole 27, the sliding stability when the mould is opened and closed to first guide post 16 and first guiding hole 27's being provided with has guaranteed forcefully.
Referring to fig. 2 and 3, in one possible embodiment, the number of the connector female dies 14 and the connector male dies 24 is plural, and each connector female die 14 is disposed in one-to-one correspondence with each connector male die 24. It should be noted that, the number of the connector female die 14 and the connector male die 24 is four, the number of the guide blocks 32 is two, and the two ends of the connector male die 24 are respectively provided, three inclined guide grooves 321 are respectively provided on each guide block 32, and the three inclined guide grooves 321 are uniformly arranged at intervals, correspondingly, six inclined guide posts 31 are respectively provided on the front template 13 in a one-to-one correspondence with the six inclined guide grooves 321, and in addition, eight side cores 33 are respectively provided on the side wall of each guide block 32, therefore, the mold can mold 16 products at a time, and the production efficiency of the products is greatly improved.
Referring to fig. 3, in one possible embodiment, the rear mold plate 23 is provided with a guide groove 231, and the guide block 32 is disposed in the guide groove 231. It is easy to understand that the number of the guide grooves 231 is two, and the guide grooves 231 are respectively arranged on two sides of the rear mold plate 23, and the guide grooves 231 can enable the guide blocks 32 to slide smoothly along the guide grooves 231, so that the guide blocks 32 are prevented from being deviated, smooth separation of the side mold cores 33 from the product is facilitated, and damage to the product in the separation process of the side mold cores 33 from the product is avoided.
Referring to fig. 3 and 6, in one possible embodiment, the rear mold plate 23 is provided with a sliding rail 232, and the guide block 32 is provided with a sliding groove 322 matching with the sliding rail 232. It is easy to understand that the sliding rail 232 is fixed on the rear template 23 through bolts, and the sliding rail 232 is located in the guiding groove 231, and each guiding groove 231 is provided with two sliding rails 232, and the two sliding rails 232 are arranged at intervals, so that the sliding rail 232 and the sliding groove 322 cooperate to enable the guiding block 32 to move more stably.
Referring to fig. 2 and 3, in one possible embodiment, a limiting block 15 is disposed on the front mold plate 13, a limiting protrusion 151 is disposed at a lower end of the limiting block 15, a limiting groove 233 is disposed on the rear mold plate 23, and after mold closing, the limiting protrusion 151 is inserted into the limiting groove 233. It is easy to understand that the lateral surface of guide block 32 is the inclined plane, and the medial surface of stopper 15 also is the inclined plane, and the inclined plane on the guide block 32 corresponds with the inclined plane on the stopper 15, and when the mould is in the compound mode, stopper 15 is located the outside of guide block 32, and stopper 15 stretches into in the guide way 231, and then makes spacing protruding 151 stretch into in the limit way 233, and the setting of stopper 15 can make the mould restrict guide block 32 at the during operation and produce the skew, and then avoids side core 33 to take place the skew for the mould can more stable work, in order to improve the quality of product.
Referring to fig. 2 and 3, in one possible embodiment, the rear mold plate 23 is provided with a first sensor 234, and the front mold plate 13 is provided with a first pressing piece 131 corresponding to the first sensor 234. It will be readily appreciated that when the mold is closed, after the rear mold assembly 2 is reset, the first presser 131 collides with the first sensor 234 to trigger the first sensor 234, and the first sensor 234 transmits a stop signal to the external driving member, so that the rear mold assembly 2 stops moving, so that the rear mold assembly 2 stays at a correct position to ensure correct operation of the mold.
Referring to fig. 5 and 6, in one possible embodiment, the rear mold plate 23 is provided with an elastic positioning member 235, and the guide block 32 is provided with a positioning groove 323 matching with the elastic positioning member 235. It should be noted that, each guide block 32 is provided with a plurality of positioning grooves 323, and the plurality of positioning grooves 323 are distributed on the lower surface of the guide block 32 in an array, when the guide block 32 moves to a limit position in the moving process, the elastic positioning member 235 will extend into the positioning groove 323, so that the guide block 32 stops moving to achieve the positioning effect.
Referring to fig. 1 and 4, in one possible embodiment, the front mold assembly 1 further includes a front mold fixing plate 11 and a front mold cushion plate 12, the front mold cushion plate 12 is disposed on the front mold fixing plate 11, and the front mold plate 13 is disposed on the front mold cushion plate 12; the rear mold assembly 2 further comprises a rear mold fixing plate 21, two cushion blocks 22 and a jacking plate 25, wherein the cushion blocks 22 are respectively arranged on two sides of the rear mold fixing plate 21, the jacking plate 25 is arranged between the two cushion blocks 22, and the rear mold plate 23 is arranged on the cushion blocks 22. It should be added that the jacking plate 25 is provided with a second guide post 28, the rear template 23 is provided with a second guide hole 29 matched with the second guide post 28, and the stability of the motion of the jacking plate 25 can be ensured by the arrangement of the second guide post 28 and the second guide hole 29.
Referring to fig. 4, in one possible embodiment, a plurality of pins 26 are provided on the lifting plate 25, and a plurality of pin 26 holes are provided on the connector male die 24, and each pin 26 is slidably connected to each pin 26 hole. It is easy to understand that the jacking plate 25 drives the ejector pins 26 to do jacking motion under the action of the external driving piece, and the product is demolded under the action of the ejector pins 26.
Referring to fig. 1, in one possible embodiment, the rear mold fixing plate 21 is provided with a second sensor 211, and the jacking plate 25 is provided with a second pressing piece 251 corresponding to the second sensor 211. It is easy to understand that, when the lifting plate 25 is reset, the second pressing piece 251 abuts against the second sensor 211, so as to trigger the second sensor 211, and further stop the movement of the lifting plate 25, so that the lifting plate 25 is effectively stopped at a correct position, and correct operation of the mold is ensured.
In summary, according to the joint mold provided by the utility model, the side core of the side core-pulling assembly is extended into the joint injection cavity to form the hollow structure of the joint product, and the inclined guide post and the inclined guide groove are arranged to enable the guide block to drive the side core to be far away from the molded product when the mold is opened, so that the separation of the side core from the molded product is realized, and after the rear mold assembly is separated from the front mold assembly, the jacking plate drives the ejector pin to perform jacking movement, so that the product is separated from the mold, and the purpose of facilitating the demolding of the product is achieved.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.