SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a thimble mould can freely change die block and top mould and produce simple structure.
According to the utility model discloses an ejector pin mould of first aspect embodiment, include: a base plate; the bottom die plate is embedded with a detachable bottom die; the top die plate is internally embedded with a detachable top die, and a die cavity is formed between the top die and the bottom die; the thimble board, the thimble board connect in on the bottom plate, the thimble board is equipped with and can passes the die block stretches into the thimble of die cavity.
According to the utility model discloses thimble mould has following beneficial effect at least: the embodiment of the utility model provides an ejector pin mould, when the drawing of patterns, top mould and die block separation, thimble on the thimble board will mould plastics the finished product and follow the die cavity and carry out ejection towards the die cavity motion, realized automatic drawing of patterns, die block and top mould can all be dismantled nestedly in die block board and cope match-plate pattern, when needs produce other mould, only need to change die block and top mould and install again in die block board and cope match-plate pattern, can freely change die block and top mould and produce, simple structure has reduced manufacturing cost.
According to some embodiments of the utility model, the both sides of bottom plate are equipped with the supporting shoe, the thimble board is fixed between the supporting shoe.
According to some embodiments of the invention, further comprising a top plate connected with the top template.
According to the utility model discloses a some embodiments, the roof is equipped with first runner, the top mould is equipped with the second runner, the die block is equipped with the third runner, first runner the second runner with the third runner link up mutually.
According to some embodiments of the utility model, the die block is equipped with spacing bulge, the top mould be equipped with spacing concave yield that spacing bulge corresponds.
According to some embodiments of the utility model, still including locating the bottom plate with divide the water board between the die block board, divide the water board with the supporting shoe is connected, be equipped with the through-hole on dividing the water board, the thimble passes the through-hole.
According to some embodiments of the utility model, the thimble board with between the water diversion plate the periphery cover of thimble is equipped with reset spring.
According to some embodiments of the invention, the ejector plate is detachably connected to the base plate.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means is one or more, a plurality of means is two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1 to 3, an embodiment of the present invention provides an ejector 141 mold, including a bottom plate 110, a bottom mold plate 120, an ejector plate 130 and an ejector plate 140, wherein a detachable bottom mold 121 is embedded in the bottom mold plate 120, a detachable top mold 131 is embedded in the ejector plate 130, a mold cavity 1211 is formed between the top mold 131 and the bottom mold 121, the ejector plate 140 is connected to the bottom plate 110, the ejector plate 140 is provided with an ejector 141 capable of penetrating through the bottom mold 121 and extending into the mold cavity 1211, when demolding is performed, the top mold 131 is separated from the bottom mold 121, the ejector 141 on the ejector plate 140 moves towards the mold cavity 1211 to eject a finished injection product from the mold cavity 1211, automatic demolding is realized, the bottom mold 121 and the top mold 131 are detachably nested in the bottom mold plate 120 and the ejector plate 130, when another mold needs to be produced, only the bottom mold 121 and the top mold 131 need to be replaced and then installed in the bottom mold plate 120 and the ejector plate 130, the bottom mold 121 and the top mold 131 can be freely replaced, simple structure and low production cost.
It should be noted that, in some embodiments of the present invention, a bottom mold 121 is embedded in the bottom mold plate 120, as shown in fig. 3, the bottom mold plate 120 surrounds the periphery of the bottom mold 121 to fix the bottom mold, a top mold 131 is embedded in the top mold plate 130, the top mold plate 130 surrounds the periphery of the top mold 131 to fix the top mold, if the mold needs to be replaced, the bottom mold 121 is only required to be ejected out of the bottom mold plate 120, a new bottom mold 121 having the same size as the original bottom mold 121 is replaced, the top mold 131 is then ejected out of the top mold plate 130, a new top mold 131 having the same size as the original top mold 131 is replaced, and the new top mold 131 and the new bottom mold 121 form a new mold cavity 1211 to produce different injection molding products, while producing various different injection molding products, the number of molds is reduced through the modular design, and the production cost is reduced.
It should be noted that, in some embodiments of the present invention, there are a plurality of ejector pins 141, a plurality of notches are formed around the mold cavity 1211, the number of ejector pins 141 is the same as the number of notches around the mold cavity 1211, and the ejector pins 141 can extend into the notches, so as to eject the injection molding product molded in the mold cavity 1211.
Referring to fig. 4, in some embodiments of the present invention, the supporting blocks 111 are disposed on two sides of the bottom plate 110, the supporting blocks 111 are fixedly connected to the bottom plate 110 through fasteners, the ejector plate 140 is fixed between the supporting blocks 111, the ejector plate 140 is stably fixed on the bottom plate 110 by disposing the supporting blocks 111, and the ejector 141 can be aligned to the mold cavity 1211 on the bottom mold 121 due to the fixing of the position of the ejector plate 140 by the supporting blocks 111.
Referring to fig. 1 and 2, in some embodiments of the present invention, the mold further includes a top plate 210 connected to the top mold plate 130, the top plate 210 is fixedly connected to the top mold plate 130 through a fastener, the top plate 210 supports and fixes the mold, the top plate 210 and the bottom plate 110 can be fixed to a machine, and then the mold is injection-molded through the thimble 141 of the embodiment of the present invention.
Referring to fig. 2 and 3, in some embodiments of the present invention, the top plate 210 is provided with a first gate 211, the top mold 131 is provided with a second gate 1311, the bottom mold 121 is provided with a third gate 1212, the first gate 211, the second gate 1311 and the third gate 1212 are connected to each other, when injecting, plastic material is conveniently injected from the first gate 211 on the top plate 210, flows through the second gate 1311 of the top mold 131, and then flows to the third gate 1212 on the bottom mold 121, the first gate 211 and the second gate 1212 respectively run through the top plate 210 and the top mold 131, and the third gate 1311 is connected to the plurality of mold cavities 1211 on the bottom mold 121 through a channel, so that the plastic material in the third gate 1212 is flowed into the mold cavity 1211.
Referring to fig. 3, in some embodiments of the present invention, the bottom mold 121 is provided with a limiting protrusion 1213, the top mold 131 is provided with a limiting concave portion 1312 corresponding to the limiting protrusion 1213, the limiting protrusion 1213 is mutually matched with the limiting concave portion 1312, so that the bottom mold 121 and the top mold 131 can be accurately connected together, and the accuracy and yield of injection molding are improved.
It should be noted that, in some embodiments of the present invention, the limiting protrusion 1213 and the limiting concave 1312 are respectively disposed at four corners of the bottom mold 121 and the top mold 131, so that the embodiment of the present invention can be satisfied, the limiting protrusion 1213 and the limiting concave 1312 can be further disposed at other positions of the bottom mold 121 and the top mold 131, and the bottom mold 121 and the top mold 131 are mutually matched, which does not specifically limit the present invention.
It should be noted that, on the premise of satisfying the requirement of the embodiment of the present invention, the bottom mold 121 may also be provided with a spacing concave portion 1312, and the top mold 131 is provided with a spacing convex portion 1213 corresponding to the spacing concave portion 1312 on the bottom mold 121, which is not limited by the present invention.
Referring to fig. 2, in some embodiments of the present invention, the bottom mold plate 120 further includes a water diversion plate 310 disposed between the bottom plate 110 and the bottom mold plate 120, the water diversion plate 310 is connected to the supporting block 111, through holes 311 are disposed on the water diversion plate 310, and the positions and the numbers of the through holes 311 correspond to those of the thimbles 141, so that the thimbles 141 can pass through the through holes 311 to reach the bottom mold 121.
Referring to fig. 4, in some embodiments of the present invention, the outer circumference cover of the thimble 141 between the thimble plate 140 and the water diversion plate 310 is provided with the return spring 142, in the injection molding process, the return spring 142 is always in the compression state, when the mold is closed, the return spring 142 drives the thimble plate 140 to reset, so that the thimble 141 resets, thereby facilitating the next injection molding production of the mold. It should be noted that, satisfying the embodiment of the present invention, the return spring 142 can be disposed in the periphery of one of the thimbles 141, and the return spring 142 can also be disposed in the periphery of a plurality of thimbles 141, which is not limited by the present invention.
In some embodiments of the utility model, the thimble board 140 can be dismantled and connect on the bottom plate 110, and in an embodiment, the thimble board 140 can be dismantled and connect between supporting shoe 111, damages when thimble 141, when needing to change new thimble board 140, can demolish the thimble board 140 from the bottom plate 110, the thimble board 140 that changes new is installed on bottom plate 110, or is installed between supporting shoe 111, and need not change whole mould, has practiced thrift manufacturing cost, provides convenience for production.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.