Positioning structure of die
Technical Field
The utility model relates to the technical field of dies, in particular to a positioning structure of a die.
Background
The mold is a tool for manufacturing molded articles, the tool is composed of various parts, different molds are composed of different parts, the processing of the appearance of the articles is realized mainly through the change of the physical state of molded materials, the conventional mold is used for manufacturing various molds and tools for obtaining the required products through injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods, the mold is a tool for manufacturing molded articles, the tool is composed of various parts, the different molds are composed of different parts, the processing of the appearance of the articles is realized mainly through the change of the physical state of molded materials, in order to ensure the production efficiency in the process that a male mold is continuously attached to a female mold back and forth, the speed of the male mold is kept when the male mold is clamped and released, the relative position of the male mold is easy to relatively shake in the process, the male mold and the female mold are not completely matched, the reject ratio is caused, and the cost is increased.
The utility model discloses a location structure of mould in the chinese patent of the bulletin number CN210851122U of authorizing, including public mould and master model, the master model is close to public mould one side and is provided with first mould benevolence, and public mould is close to master model one side and is provided with the second mould benevolence with first mould benevolence looks adaptation, and public mould is close to master model one side and is provided with cylindrical locating lever, and the locating slot that supplies the locating lever embedding has been seted up near public mould one side to the master model, and locating lever keeps away from public mould one end and is connected with conical guide block, and the guide slot with guide block looks adaptation has been seted up to the locating slot bottom wall.
However, the technical scheme has the following defects that the existing die positioning structure is generally used for positioning through the matching of the positioning pin and the positioning hole, the positioning effect is poor, and the accurate die assembly of the upper die and the lower die is not facilitated, so that the production quality of a product is influenced.
Disclosure of Invention
The utility model aims to provide a positioning structure of a die, and aims to solve the problems that the existing die positioning structure in the prior art is generally positioned through the cooperation of a positioning pin and a positioning hole, has poor positioning effect, is not beneficial to accurately clamping an upper die and a lower die, and thus affects the production quality of products.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the location structure of mould includes: the die comprises a lower die holder and an upper die holder, wherein a lower die plate and an upper die plate are respectively arranged on one opposite sides of the lower die holder and the upper die holder, a guide assembly for positioning and guiding the die assembly is arranged between the lower die holder and the upper die holder, conical positioning holes are formed in the two sides of the middle of the top end of the lower die holder, positioning columns which are matched with the positioning holes and are conical in bottom are fixedly arranged on the two sides of the middle of the bottom end of the upper die holder, positioning blocks are fixedly arranged at four corners of the top of the lower die plate, inclined planes are arranged at the top of one side, close to a die cavity of the lower die plate, of the upper die plate, and positioning grooves which are the same in number and shape with the positioning blocks are formed in the bottom of the upper die plate.
In order to enable the utility model to have the function of positioning the installation of the lower die plate and the upper die plate, the utility model further adopts the technical scheme that counter sunk holes are formed at two ends of one side of the lower die plate and the opposite side of the upper die plate, installation bolts for respectively installing the lower die plate and the upper die plate to the lower die holder and the upper die holder are arranged in the counter sunk holes, and the installation bolts are hexagon socket bolts.
According to a further technical scheme, positioning assemblies for positioning the installation of the lower die plate and the upper die plate are arranged between the lower die plate and the lower die base and between the upper die plate and the upper die base.
According to a further technical scheme, the positioning assembly comprises positioning pin shafts fixedly arranged at four corners of one side, close to each other, of the lower die base and the upper die base, and pin holes matched with the positioning pin shafts are formed in four corners of one side, far away from each other, of the lower die plate and the upper die plate.
According to a further technical scheme, the pin holes are coaxial with the positioning pin shafts respectively, and the diameter of the positioning pin shafts is the same as the inner diameter of the pin holes.
In order to enable the guiding assembly to have the function of guiding the die assembly of the die, the guiding assembly comprises die assembly guide posts fixedly arranged at four corners of the top of the lower die holder, and the upper die holder slides along the outer walls of the die assembly guide posts in a single degree of freedom.
According to a further technical scheme, four elastic pieces which are respectively sleeved on the outer wall of the die assembly guide post are arranged between the lower die holder and the upper die holder, and the elastic pieces are springs.
According to a further technical scheme, the included angle between two adjacent positioning blocks is smaller than the degree, and the two positioning blocks positioned at opposite angles are parallel to each other.
The beneficial effects of the utility model are as follows:
when the die is assembled, the upper die base and the upper die plate start to be close to the lower die plate under the action of the guide assembly, and along with the fact that the upper die plate is gradually close to the lower die plate, the positioning column stretches into the positioning hole, and the bottoms of the positioning column and the positioning hole are conical, so that positioning accuracy of the positioning column and the positioning hole is guaranteed, meanwhile, the positioning block stretches into the positioning groove, the inclined surface of the positioning block can limit dislocation between the lower die plate and the upper die plate, positioning accuracy during assembly of the lower die plate and the upper die plate is further guaranteed, deviation during assembly of the die is avoided, accurate assembly cannot be performed, and accordingly production quality of products is affected.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
FIG. 2 is a schematic diagram of an explosion structure for installing a die holder and a die plate according to the present utility model.
Fig. 3 is a schematic cross-sectional structure of the lower die plate of the present utility model.
FIG. 4 is a schematic cross-sectional view of the upper die plate of the present utility model
In the figure: 1. a lower die holder; 2. an upper die holder; 3. a lower template; 4. an upper template; 5. closing the die guide post; 6. an elastic member; 7. positioning holes; 8. positioning columns; 9. a positioning block; 10. a positioning groove; 11. a pin hole; 12. positioning pin shafts; 13. and (5) installing a bolt.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings.
As shown in fig. 1 to 4, a positioning structure of a mold includes: the die comprises a lower die holder 1 and an upper die holder 2, wherein a lower die plate 3 and an upper die plate 4 are respectively arranged on opposite sides of the lower die holder 1 and the upper die holder 2, a guide assembly for positioning and guiding a die is arranged between the lower die holder 1 and the upper die holder 2, positioning holes 7 with conical bottoms are formed in two sides of the middle part of the top end of the lower die holder 1, positioning columns 8 which are matched with the positioning holes 7 and are conical in bottom are fixedly arranged on two sides of the middle part of the bottom end of the upper die holder 2, positioning blocks 9 are fixedly arranged at four corners of the top of the lower die plate 3, inclined surfaces are arranged at the top of one side of the positioning blocks 9 close to a die cavity of the lower die plate 3, and positioning grooves 10 which are the same in number and shape as the positioning blocks 9 are formed in the bottom of the upper die plate 4 and matched with the positioning blocks 9.
In this embodiment, when the mould compound die, upper die base 2 and cope match-plate pattern 4 begin to press close to lower bolster 3 under the effect of direction subassembly, along with cope match-plate pattern 4 is close to lower bolster 3 gradually, reference column 8 stretches into the inside of locating hole 7 this moment, because reference column 8 and locating hole 7's bottom is coniform, the location accuracy of reference column 8 and locating hole 7 has been guaranteed, locating piece 9 stretches into inside constant head tank 10 simultaneously, the dislocation between lower bolster 3 and cope match-plate pattern 4 can be restricted by the inclined plane of locating piece 9, the location precision when having further guaranteed both compound die has avoided the mould compound die to appear the deviation, can't carry out accurate compound die, thereby influence the condition emergence of the production quality of product.
Specifically, counter bores are formed at two ends of one side, opposite to the lower die plate 3 and the upper die plate 4, of the lower die plate 3 and the upper die plate 4, mounting bolts 13 for respectively mounting the lower die plate 3 and the upper die plate 4 to the lower die holder 1 and the upper die holder 2 are arranged in the counter bores, and the mounting bolts 13 are hexagon socket head bolts.
Furthermore, positioning components for positioning the installation of the lower die plate 3 and the upper die plate 4 are arranged between the lower die plate 3 and the lower die base 1 and between the upper die plate 4 and the upper die base 2.
Specifically, the locating component comprises locating pin shafts 12 fixedly installed at four corners of one side, close to each other, of the lower die holder 1 and the upper die holder 2, and pin holes 11 matched with the locating pin shafts 12 are formed in four corners of one side, far away from each other, of the lower die plate 3 and the upper die plate 4.
Further, the plurality of pin holes 11 are coaxial with the plurality of positioning pin shafts 12 respectively, and the diameter of the positioning pin shafts 12 is the same as the inner diameter of the pin holes 11, so that the installation of the lower die plate 3 and the upper die plate 4 can be positioned, the installation precision is ensured, the deviation of the installation is avoided, and the die assembly precision is influenced.
Specifically, the guide assembly comprises a die assembly guide post 5 fixedly arranged at four corners of the top of the lower die holder 1, and the upper die holder 2 slides along the outer wall of the die assembly guide post 5 in a single degree of freedom.
Furthermore, four elastic pieces 6 which are respectively sleeved on the outer wall of the die assembly guide post 5 are arranged between the lower die holder 1 and the upper die holder 2, and the elastic pieces 6 are springs, so that die assembly of the die can be guided, and larger deviation during die assembly of the die is avoided, and normal die assembly is prevented from being influenced.
Further, the included angle between two adjacent positioning blocks 9 is smaller than 180 degrees, and two positioning blocks 9 positioned at opposite angles are parallel to each other.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.