Die assembly structure with compact template and parting surface injection hot chamber die casting machine

By adopting a compact mold clamping structure in the hot chamber die casting machine, the problems of increasing size and cost of moving and fixed molds and increasing nozzle length in the prior art are solved, and the mold size and cost savings and the improvement of die casting performance are achieved.

CN222767277UActive Publication Date: 2025-04-18HISHINUMA DIE CASTING MASCH CO LTD
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Patent Information

Application Number
CN202421601330.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2025-04-18
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

When existing hot chamber die casting machines produce larger alloy products, the size and cost of moving and fixed dies increases, and the increase in the length of the compression nozzle leads to clogging of molten metals and the cost of heating parts.

Method used

The mold clamping structure with a compact template is adopted. Through the design of the intermediate, upper and lower convex portions of the fixed mold and the moving mold, the mold has a narrower width in the front and rear directions. When the nozzle and the injection port of the mold are in contact and communicate, positional conflicts between the moving mold and the fixed mold and the main substrate are avoided, thereby shortening the nozzle length.

Benefits of technology

The size and cost savings of the moving and fixed molds are achieved, the nozzle length is reduced, the die-casting performance is improved, and the cost of molten metal blockage and heating accessories is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a mold closing structure with a compact mold plate and a parting surface injection hot chamber die-casting machine, the parting surface injection hot chamber die-casting machine comprises a main body base plate and a nozzle, and the mold closing structure with the compact mold plate comprises the following components: a mold assembly comprises a fixed mold, a movable mold, a fixed mold plate and a movable mold plate; each of the fixed mold plate and the movable mold plate comprises an integrally arranged middle part, an upper convex part formed by protruding backwards from the upper area of the rear side surface of the middle part, and a lower convex part formed by protruding forwards from the lower area of the front side surface of the middle part; a mold formed by closing the fixed mold and the movable mold is mounted on the middle part; the upper guide rod and the lower guide rod respectively penetrate through the upper convex parts and the lower convex parts of the movable mold plate and the fixed mold plate in sequence and are connected with the fixed mold plate; the mold is located between the upper guide rod and the lower guide rod, and the upper protruding part and the upper guide rod are both located above the top end of the body base plate. The movable mold plate and the fixed mold plate can be designed to be narrower, so that materials are saved, the weight is reduced, the mold is convenient to disassemble and assemble, and the nozzle is shortened.
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Description

Technical Field

[0001] The present application belongs to the technical field of die-casting machines, and more specifically, to a die-casting machine with a compact mold structure and a parting surface injection hot chamber. Background Art

[0002] As a type of die-casting machine, the hot chamber die-casting machine has an injection chamber and an injection punch immersed in molten metal. Its working principle is that the injection chamber is connected to the gate of the die-casting mold through a gooseneck, and then the production of alloy products such as aluminum, magnesium and zinc is achieved through such a structure. With the increasing market demand for more complex die-casting products, it is necessary to develop larger hot chamber die-casting machines to achieve the purpose of increasing the size of the clamping unit, especially the mold in the clamping unit. However, if the size is simply increased, on the one hand, the movable plate and fixed plate for mounting the mold also need to increase the size accordingly, thereby increasing the cost of components; on the other hand, the problem of having to lengthen the injection nozzle will arise, which is prone to clogging of the molten metal in the nozzle and increasing the cost of auxiliary heating parts. Therefore, how to effectively reduce the size and cost of the movable plate and fixed plate in a larger clamping unit and reduce the length of the injection nozzle at the same time has become an urgent problem to be solved in the industry. Utility Model Content

[0003] The purpose of the embodiments of the present application is to provide a mold closing structure with a compact template to solve the above-mentioned technical problems existing in the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted in the present application is: to provide a mold clamping structure with a compact template, which is used in a parting surface pressure injection hot chamber die casting machine, the parting surface pressure injection hot chamber die casting machine includes a main body substrate and a nozzle passing through the main body substrate, and the mold clamping structure with a compact template includes:

[0005] A mold assembly includes a fixed mold, a movable mold, a fixed mold plate installed with the fixed mold, and a movable mold plate installed with the movable mold, the fixed mold plate and the movable mold plate are arranged in parallel and spaced apart, and a mold with a cavity is formed after the fixed mold and the movable mold are combined; the direction of the mold toward the main substrate is the backward direction; the fixed mold plate and the movable mold plate each include an integrated middle part, an upper convex part and a lower convex part, the upper convex part is formed by convexing backward from the upper area of ​​the rear side surface of the middle part, and the lower convex part is formed by convexing forward from the lower area of ​​the front side surface of the middle part, and the mold is installed in the middle part; and,

[0006] The guide rod assembly comprises an upper guide rod and a lower guide rod; the upper guide rod sequentially passes through the upper convex portion of the movable template and the upper convex portion of the fixed template, and is connected to the fixed template; the lower guide rod sequentially passes through the lower convex portion of the movable template and the lower convex portion of the fixed template, and is connected to the fixed template; the mold is located in the middle position of the upper guide rod and the lower guide rod, and the upper convex portion and the upper guide rod are both located above the top end of the main substrate.

[0007] Optionally, the upper convex portion has a first inclined surface facing the top of the main substrate, and the first inclined surface is inclined upward relative to the rear side surface of the middle portion; the connection between the top surface and the front side surface of the main substrate is chamfered to avoid positioning; the lower convex portion has a second inclined surface, and the second inclined surface is inclined downward relative to the front side surface of the middle portion.

[0008] Optionally, the lower convex portion includes an integrally arranged lower convex body and two oppositely arranged lower convex reinforcement ribs, the lower convex body protruding forward from the lower area of ​​the front side surface of the middle portion, the two right-angled sides of the triangular lower convex reinforcement rib are respectively connected to the front side surface of the middle portion and the top surface of the lower convex body; the inclined front side surface of the lower convex reinforcement rib forms a second inclined surface.

[0009] Optionally, in the movable die plate and the fixed die plate, the intersection of the front side surface and the top surface of the middle portion is chamfered, and the intersection of the top surface of the middle portion and the rear side surface of the upper convex portion is chamfered;

[0010] In the movable template, the intersection of the front side surface and the bottom surface of the lower convex part is chamfered.

[0011] Optionally, the distance between the front side of the mold and the front side of the middle part, and the distance between the rear side of the mold and the rear side of the middle part are both smaller than the distance between the top surface of the mold and the top surface of the middle part.

[0012] Optionally, the mold closing structure with a compact template further includes a mold base plate, and the lower ends of the movable template and the fixed template are both connected to the mold base plate; the mold base plate can be driven to drive the mold assembly to move toward the main substrate.

[0013] Optionally, the clamping structure with a compact template also includes a movable mold sliding guide rail, a gap is provided between the lower protrusion of the movable mold plate and the mold base plate, and the movable mold plate is connected to the mold base plate via the movable mold sliding guide rail; the bottom of the fixed mold plate is connected to the mold base plate.

[0014] Optionally, the mold clamping structure with a compact template further includes a connecting rod shell plate, and the upper guide rod and the lower guide rod are connected to the fixed template after passing through the connecting rod shell plate and the movable template in sequence;

[0015] The connecting rod outer shell plate is connected to the movable mold plate through a connecting rod structure. After being driven, the connecting rod outer shell plate can drive the movable mold plate to move toward the fixed mold plate through the connecting rod structure to achieve the clamping of the movable mold and the fixed mold; the thickness of the connecting rod outer shell plate in the left and right direction is less than the thickness of the movable mold plate and the fixed mold plate.

[0016] Optionally, the mold-closing structure with the compact template and the main body substrate are both arranged to be tilted backward, and the mold substrate is perpendicular to the main body substrate.

[0017] The present application also proposes a parting surface injection hot chamber die-casting machine, comprising a main body, a main body substrate, an injection device and a clamping structure with a compact template of any of the above items; the injection device comprises a gooseneck installed on the back of the main body substrate and a nozzle located at the front end of the gooseneck and passing through the main body substrate; an injection port is provided on the mating surfaces of the fixed mold and the movable mold facing the rear side of the main body substrate, and after the parting surface injection hot chamber die-casting machine is clamped, the nozzle is vertically abutted against the mating surface, and the nozzle is connected to the injection port.

[0018] The beneficial effects of the clamping structure with a compact template provided by the present application are: on the one hand, through the special structural design of the integrated middle part, upper convex part and lower convex part of the fixed template and the movable template, the width of the movable template and the fixed template in the front-to-back direction can be designed to be narrower, which is beneficial to saving materials and reducing weight. Of course, the design of the upper convex part and the lower convex part can also make there be no solid obstruction below the upper convex part and above the lower convex part, so that the space around the mold is wider and it is convenient to install and disassemble the mold; on the other hand, in the final clamping state, that is, when the nozzle and the injection port of the mold are abutted and connected, because the upper convex part and the upper guide rod are both located above the upper end of the main substrate, the movable template and the fixed template can effectively avoid position conflict with the main substrate after the clamping, so that the nozzle can be closer to the mold and its length can be effectively reduced. In this way, the advantages of convenient nozzle temperature control, reduced risk of nozzle clogging and molten metal splashing, reduced related heating accessories cost, and improved die-casting performance can be obtained. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 A structural schematic diagram of a mold closing structure with a compact template provided at one angle according to an embodiment of the present application;

[0021] Figure 2 A schematic diagram of a partial cross-sectional structure of a mold-closing structure with a compact template provided in one embodiment of the present application;

[0022] Figure 3 A partial structural schematic diagram of a mold closing structure with a compact template provided in another embodiment of the present application.

[0023] Description of Figure Numbers:

[0024] DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0026] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0027] It should also be noted that the directional terms such as left, right, up and down in the embodiments of the present application are merely relative concepts or are based on the normal use status of the product, and should not be considered as restrictive.

[0028] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do 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 therefore should not be understood as a limitation on the present application.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0032] The embodiment of the present application provides a mold closing structure with a compact template.

[0033] See also Figure 1 and Figure 2 In one embodiment, the mold-closing structure with a compact template is used for a parting surface injection hot chamber die casting machine, which includes a main substrate 100 and a nozzle 210 passing through the main substrate 100. Specifically, the mold-closing structure with a compact template includes a mold assembly and a guide rod assembly. The mold assembly includes a fixed mold 310, a movable mold 320, a fixed mold plate 410 installed with the fixed mold 310, and a movable mold plate 420 installed with the movable mold 320. The fixed mold plate 410 and the movable mold plate 420 are arranged in parallel and spaced apart. The fixed mold 310 and the movable mold 320 are molded together to form a mold with a cavity; the direction of the mold toward the main substrate 100 is the backward direction; the fixed mold plate 410 and the movable mold plate 420 both include an integrated middle part 430, an upper protrusion 440 and a lower protrusion 450, the upper protrusion 440 is formed by protruding backward from the upper area of ​​the rear side surface of the middle part 430, and the lower protrusion 450 is formed by protruding forward from the lower area of ​​the front side surface of the middle part 430, and the mold is installed in the middle part 430. The guide rod assembly includes an upper guide rod 510 and a lower guide rod 520; the upper guide rod 510 passes through the upper protrusion 440 of the movable template 420 and the upper protrusion 440 of the fixed template 410 in sequence, and is connected to the fixed template 410; the lower guide rod 520 passes through the lower protrusion 450 of the movable template 420 and the lower protrusion 450 of the fixed template 410 in sequence, and is connected to the fixed template 410; the mold is located in the middle position of the upper guide rod 510 and the lower guide rod 520, and the upper protrusion 440 and the upper guide rod 510 are both located above the top of the main substrate 100.

[0034] Based on this design, in this embodiment, on the one hand, through the special structural design of the integrated middle part 430, the upper convex part 440 and the lower convex part 450 of the fixed template 410 and the movable template 420, the width of the movable template 420 and the fixed template 410 in the front-to-back direction can be designed to be narrower, which is conducive to saving materials and reducing weight. Of course, the design of the upper convex part 440 and the lower convex part 450 can also make the lower part of the upper convex part 440 and the upper part of the lower convex part 450 have no physical obstruction, so that the space around the mold is wider, which is convenient for installing and disassembling the mold; On the other hand, in the final mold closing state, that is, when the nozzle 210 is in contact with the injection port of the mold, since the upper protrusion 440 and the upper guide rod 510 are both located above the upper end of the main substrate 100, the movable template 420 and the fixed template 410 can effectively avoid position conflicts with the main substrate 100 after the mold is closed, so that the nozzle 210 can be closer to the mold and its length can be effectively reduced. In this way, the advantages of facilitating the temperature control of the nozzle 210, reducing the risk of nozzle 210 clogging and molten metal splashing, reducing the cost of related heating accessories, and improving the die-casting performance can be obtained.

[0035] See also Figure 1 and Figure 2 Specifically, in this embodiment, the upper convex part 440 has a first inclined surface 441 facing the top of the main substrate 100, and the first inclined surface 441 is inclined upward relative to the rear side of the middle part 430; the connection between the top surface and the front side of the main substrate 100 is chamfered to avoid the position; the lower convex part 450 has a second inclined surface 451, and the second inclined surface 451 is inclined downward relative to the front side of the middle part 430. Here, the top of the main substrate 100 is also provided with a corresponding avoidance inclined surface, which cooperates with the first inclined surface 441 of the upper convex part 440, so that after the final mold is closed, the upper convex part 440 and the upper guide rod 510 are both located above the top of the main substrate 100 without interference, so as to achieve the purpose of smooth mold closing and shortening the length of the nozzle 210.

[0036] Furthermore, if Figure 1 As shown, in this embodiment, the lower convex part 450 includes an integrally arranged lower convex body 452 and two oppositely arranged lower convex reinforcing ribs 453, the lower convex body 452 is formed by protruding forward from the lower area of ​​the front side of the middle part 430, and the two right-angled sides of the triangular lower convex reinforcing rib 453 are respectively connected to the front side of the middle part 430 and the top surface of the lower convex body 452; the inclined front side of the lower convex reinforcing rib 453 forms a second inclined surface 451. It can be understood that the structural design of the lower convex part 450 can form an open cavity above the lower convex body 452, which is conducive to further saving materials and reducing weight, and the design of the triangular lower convex reinforcing rib 453 is also conducive to enhancing the connection strength and stability between the lower convex body 452 and the middle part 430.

[0037] See also Figure 1 and Figure 2 In this embodiment, in the movable die plate 420 and the fixed die plate 410, the intersection of the front side surface and the top surface of the middle portion 430 is chamfered, and the intersection of the top surface of the middle portion 430 and the rear side surface of the upper protrusion 440 is chamfered. Further, in the movable die plate 420, the intersection of the front side surface and the bottom surface of the lower protrusion 450 is chamfered. Here, the design of these chamfers is also conducive to further saving materials and reducing weight, thereby improving the die casting performance.

[0038] Furthermore, specifically Figure 2 As shown, in this embodiment, the distance between the front side of the mold and the front side of the middle part 430, and the distance between the rear side of the mold and the rear side of the middle part 430, are both smaller than the distance between the top surface of the mold and the top surface of the middle part 430. In other words, both the movable mold plate 420 and the fixed mold plate 410 are of a compact design that is longer from top to bottom and narrower from front to back, which is beneficial to saving materials of the movable mold plate 420 and the fixed mold plate 410 and reducing the corresponding weight, and is also beneficial to shortening the length of the nozzle 210.

[0039] See also Figure 1 In this embodiment, the clamping structure with a compact template further includes a mold base plate 600, and the lower ends of the movable mold plate 420 and the fixed mold plate 410 are both connected to the mold base plate 600; the mold base plate 600 can be driven to drive the mold 320 assembly to move toward the main substrate 100. Specifically, in this embodiment, the clamping structure with a compact template further includes a movable mold sliding guide rail 610, and there is a gap between the lower protrusion 450 of the movable mold plate 420 and the mold base plate 600, and the movable mold plate 420 is connected to the mold base plate 600 through the movable mold sliding guide rail 610; the bottom of the fixed mold plate 410 is connected to the mold base plate 600. In the present application, it includes a process of clamping the movable mold 320 and the fixed mold 310 to form a mold and a clamping process in which the mold is driven by the mold base plate 600 to contact and communicate with the nozzle 210. During the mold forming process, the movable platen 420 is driven to move along the movable mold sliding guide rail 610 toward the fixed platen 410 until the movable mold 320 and the fixed mold 310 are closed; during the closing process of the mold and the nozzle 210, the mold substrate 600 is driven to drive the mold 320 to move toward the main substrate 100. Here, the design of a gap between the lower protrusion 450 of the movable platen 420 and the mold substrate 600 is conducive to reducing the movement obstruction of the movable platen 420.

[0040] See also Figure 1In this embodiment, the mold clamping structure with a compact template further includes a connecting rod shell plate 710, and the upper guide rod 510 and the lower guide rod 520 are connected to the fixed template 410 after passing through the connecting rod shell plate 710 and the movable template 420 in sequence; the connecting rod shell plate 710 is connected to the movable template 420 through a connecting rod structure 730, and the connecting rod shell plate 710 can be driven to drive the movable template 420 to move toward the fixed template 410 through the connecting rod structure 730 to achieve the mold clamping of the movable mold 320 and the fixed mold 310; the thickness of the connecting rod shell plate 710 in the left and right direction is less than the thickness of the movable template 420 and the fixed template 410, thereby further saving materials and reducing weight. Specifically, the shape of the connecting rod shell plate 710 is similar to that of the movable template 420 and the fixed template 410, and it also presents a compact design that is narrower in the left and right direction. The upper end of the main substrate 100 will not interfere with the connecting rod shell plate 710, which is conducive to further saving materials, reducing weight and shortening the nozzle 210. Furthermore, for the sake of motion stability and other aspects, the size of the connecting rod shell plate 710 should be larger than the movable platen 420 and the fixed platen 410, that is, when viewed from right to left, the connecting rod shell plate 710 is arranged to cover the movable platen 420. In addition, in this embodiment, the connecting rod shell plate 710 can be driven by the mold clamping cylinder 720, and the connecting rod structure 730 is specifically a double-knuckle connecting rod installed in the horizontal direction. The double-knuckle connecting rod has the advantages of improving the durability of the machine and avoiding the displacement of the ejection mechanism. However, the present design is not limited to this. In other embodiments, for example Figure 3 In another embodiment shown, the connecting rod housing plate 710 can also be a direct pressure design that directly drives the movable template 420 through a cylinder, an oil cylinder or a motor; the connecting rod structure 730 can also be other connecting rod structures 730, such as but not limited to a single elbow connecting rod, etc., and no special restrictions are made here.

[0041] See also Figure 1 In this embodiment, the mold clamping structure with a compact template and the main substrate 100 are both tilted backward, and the mold substrate 600 is perpendicular to the main substrate 100. It can be understood that this tilted design can raise the front end of the nozzle 210 to prevent the molten metal from overflowing from the front end of the nozzle 210; and the design of the mold substrate 600 being perpendicular to the main substrate 100 is conducive to ensuring that the mold and the nozzle 210 remain vertical, thereby better preventing the molten metal from overflowing.

[0042] The present application also proposes a parting surface injection hot chamber die casting machine, which includes a main body, a main body substrate 100, an injection device, and a clamping structure with a compact template as described above; the injection device includes a gooseneck 220 installed on the back of the main body substrate 100 and a nozzle 210 located at the front end of the gooseneck 220 and passing through the main body substrate 100; an injection port is provided on the mating surface of the fixed mold 310 and the movable mold 320 facing the rear side of the main body substrate 100, and after the parting surface injection hot chamber die casting machine is clamped, the nozzle 210 is vertically abutted against the mating surface, and the nozzle 210 is connected to the injection port. The specific structure of the clamping structure with a compact template refers to the above embodiment. Since the present parting surface injection hot chamber die casting machine adopts all the technical solutions of all the above embodiments, it also has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here.

[0043] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A mold clamping structure with a compact template, used for a parting surface injection hot chamber die casting machine, the parting surface injection hot chamber die casting machine comprising a main body substrate and a nozzle passing through the main body substrate, characterized in that: The mold closing structure with a compact template comprises: A mold assembly, comprising a fixed mold, a movable mold, a fixed mold plate mounted with the fixed mold, and a movable mold plate mounted with the movable mold, wherein the fixed mold plate and the movable mold plate are arranged in parallel and spaced apart, and the fixed mold plate and the movable mold plate are combined to form a mold having a cavity; the direction of the mold toward the main substrate is the backward direction; the fixed mold plate and the movable mold plate both comprise an integrated middle portion, an upper convex portion and a lower convex portion, wherein the upper convex portion is formed by protruding backward from an upper area of ​​a rear side surface of the middle portion, and the lower convex portion is formed by protruding forward from a lower area of ​​a front side surface of the middle portion, and the mold is mounted on the middle portion; and, The guide rod assembly comprises an upper guide rod and a lower guide rod; the upper guide rod sequentially passes through the upper convex portion of the movable template and the upper convex portion of the fixed template, and is connected to the fixed template; the lower guide rod sequentially passes through the lower convex portion of the movable template and the lower convex portion of the fixed template, and is connected to the fixed template; the mold is located in the middle position of the upper guide rod and the lower guide rod, and the upper convex portion and the upper guide rod are both located above the top end of the main substrate.

2. The mold clamping structure with a compact template according to claim 1, characterized in that: The upper convex portion has a first inclined surface facing the top of the main substrate, and the first inclined surface is arranged to be inclined upward relative to the rear side surface of the middle portion; the connection between the top surface and the front side surface of the main substrate is chamfered to avoid positioning; the lower convex portion has a second inclined surface, and the second inclined surface is arranged to be inclined downward relative to the front side surface of the middle portion.

3. The mold clamping structure with a compact template according to claim 2, characterized in that: The lower convex portion includes an integrally arranged lower convex body and two oppositely arranged lower convex reinforcing ribs, the lower convex body protruding forward from the lower area of ​​the front side surface of the middle portion, the two right-angled sides of the triangular lower convex reinforcing rib are respectively connected to the front side surface of the middle portion and the top surface of the lower convex body; the inclined front side surface of the lower convex reinforcing rib forms the second inclined surface.

4. The mold clamping structure with a compact template according to claim 2, characterized in that: In the movable die plate and the fixed die plate, the intersection of the front side surface and the top surface of the middle portion is chamfered, and the intersection of the top surface of the middle portion and the rear side surface of the upper convex portion is chamfered; In the movable template, the intersection of the front side surface and the bottom surface of the lower protrusion is chamfered.

5. The mold clamping structure with a compact template according to claim 2, characterized in that: The distance between the front side surface of the mold and the front side surface of the middle part, and the distance between the rear side surface of the mold and the rear side surface of the middle part are both smaller than the distance between the top surface of the mold and the top surface of the middle part.

6. The mold clamping structure with a compact template according to any one of claims 2 to 5, characterized in that: The mold clamping structure with a compact template also includes a mold base plate, and the lower ends of the movable template and the fixed template are both connected to the mold base plate; the mold base plate can be driven to drive the mold assembly to move toward the main base plate.

7. The mold clamping structure with a compact template according to claim 6, characterized in that: The clamping structure with a compact template also includes a movable mold sliding guide rail, a gap is provided between the lower protrusion of the movable mold plate and the mold base plate, the movable mold plate is connected to the mold base plate via the movable mold sliding guide rail; the bottom of the fixed mold plate is connected to the mold base plate.

8. The mold clamping structure with a compact template according to claim 6, characterized in that: The clamping structure with a compact template further includes a connecting rod outer shell plate, and the upper guide rod and the lower guide rod are connected to the fixed template after passing through the connecting rod outer shell plate and the movable template in sequence; The connecting rod outer shell plate is connected to the movable mold plate through a connecting rod structure. After being driven, the connecting rod outer shell plate can drive the movable mold plate to move toward the fixed mold plate through the connecting rod structure to achieve the clamping of the movable mold and the fixed mold; the thickness of the connecting rod outer shell plate in the left and right direction is less than the thickness of the movable mold plate and the fixed mold plate.

9. The mold clamping structure with a compact template according to claim 6, characterized in that: The mold-closing structure with a compact template and the main substrate are both arranged to be tilted backwards, and the mold substrate is perpendicular to the main substrate.

10. A parting surface injection hot chamber die casting machine, characterized in that: It includes a main body, a main body substrate, an injection device and a clamping structure with a compact template as described in any one of claims 1 to 9; the injection device includes a gooseneck installed on the back of the main body substrate and a nozzle located at the front end of the gooseneck and passing through the main body substrate; an injection port is provided on the matching surfaces of the fixed mold and the movable mold facing the rear side of the main body substrate, and after the parting surface injection hot chamber die casting machine is clamped, the nozzle is vertically abutted against the matching surface, and the nozzle is communicated with the injection port.