A mechanical mold that is easy to demould

Abstract

The utility model relates to a mechanical mold that is easy to demould, including a base, a lower mold base is fixed on the base, a vertical frame extending vertically upward is fixed on the upper part of the base and located at the rear side of the lower mold base, an upper mold base is installed on the vertical frame through a second driving mechanism, the second driving mechanism is used to drive the upper mold base to move up and down, when the upper mold base is inserted into the lower mold base, a mold cavity for molding a mechanical shell is formed between the inner wall of the upper mold base and the lower mold base, a first receiving hole is provided on the lower end surface of the upper mold base, and a guide hole penetrating the top surface of the upper mold base is provided on the top wall of the first receiving hole. The utility model uses the first push plate to push the molded part downward when the upper mold base moves upward to separate the molded part from the upper mold base, and uses the push mechanism to push the molded part upward to separate the molded part from the lower mold base, so as to achieve rapid demoulding, replacing the traditional demoulding method of manual hammering, with high demoulding efficiency, reduced labor intensity, and no damage to the mold.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical moulds, in particular to a mechanical mould which is easy to demould. Background Art

[0002] A mold is a variety of molds and tools that are used to obtain the desired products by injection molding, blow molding, extrusion, die-casting or forging, smelting, stamping, etc. A mechanical parts mold is a tool used to produce mechanical parts. This tool is composed of various parts and mainly realizes the processing of the shape of the object by changing the physical state of the molded material. The raw materials are injected into a specific mold, and then external force is used to make the blank have a specific shape and size.

[0003] When processing the mechanical shell, when demoulding the mechanical shell after cooling it, some molds need to be demoulded manually. The main method of manual demoulding is to hammer the mold, and use the hammer vibration to shake the formed mechanical shell off the mold. Not only is the demoulding speed slow, it increases the labor intensity of the staff and the demoulding efficiency is low. At the same time, hammering will cause wear and damage to the mold surface and shorten the service life of the mold. Utility Model Content

[0004] The purpose of the utility model is to provide a mechanical mold which is easy to demould, and effectively solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions.

[0006] A mechanical mold for easy demoulding comprises a base, a lower mold base is fixed on the base, a vertical frame extending vertically upward is fixed on the upper part of the base and located at the rear side of the lower mold base, an upper mold base is installed on the vertical frame through a second driving mechanism, the second driving mechanism is used to drive the upper mold base to move up and down, when the upper mold base is inserted into the lower mold base, a mold cavity for molding a mechanical shell is formed between the inner walls of the upper mold base and the lower mold base, a first receiving hole is provided on the lower end surface of the upper mold base, a guide hole is provided on the top wall of the first receiving hole, a vertical rod is installed in the guide hole for sliding through, a first push plate that can be fitted and embedded in the first receiving hole is installed on the bottom end of the vertical rod extending into the first receiving hole, a first driving mechanism is provided on the vertical frame, the first driving mechanism is used to drive the vertical rod to be lifted and lowered, a pushing mechanism is provided in the lower mold base, and the pushing mechanism is used to push the molded mechanical shell upward.

[0007] It can be seen that during demolding, the utility model utilizes the first push plate to push the molded part downward when the upper mold base moves upward, thereby realizing the separation of the molded part and the upper mold base, and utilizes the pushing mechanism to push the molded part upward, thereby realizing the separation of the molded part and the lower mold base, thereby realizing rapid demolding, replacing the traditional demolding method of manual hammering, having high demolding efficiency, reducing labor intensity, and not causing damage to the mold.

[0008] Furthermore, the pushing mechanism includes a piston, a connecting rod, a second pushing plate and a guide tube. A vertically extending inner channel is provided in the lower mold base, a connecting hole is provided in the top wall of the inner channel, and a second receiving hole communicated with the connecting hole is provided in the bottom wall of the lower mold base. The piston is slidably installed in the inner channel, a connecting rod is vertically fixed to the top of the piston, the connecting rod slides through the connecting hole and extends into the second receiving hole, and a second pushing plate that can be fit and embedded in the second receiving hole is installed at the end of the connecting rod located in the second receiving hole. The guide tube is connected to the outer side of the lower mold base, one end of the guide tube is connected to the gas distribution system, and the other end extends into the lower mold base and is connected to the inner channel.

[0009] Furthermore, a spring is sleeved on the outside of the connecting rod, one end of the spring is fixed to the inner top wall of the inner channel, and the other end is fixed to the upper surface of the piston.

[0010] Furthermore, a limiting ring is fixed on the inner wall of the inner channel above the guide tube, and the inner hole diameter of the limiting ring is smaller than the piston diameter.

[0011] Furthermore, the first driving mechanism includes a first suspension fixed on the top of the vertical frame and a first electric push cylinder vertically fixed on the upper surface of the first suspension. The telescopic rod of the first electric push cylinder extends through and extends to the bottom of the first suspension and is fixedly connected to the top of the vertical pole.

[0012] Furthermore, the second driving mechanism includes a second suspension fixed on the side of the vertical frame, a second electric push cylinder vertically fixed to the lower surface of the second suspension, a connecting arm vertically fixed to the end of the telescopic rod of the second electric push cylinder, and a connecting block fixed on the side of the upper mold base, and the lower end of the connecting arm is fixedly connected to the upper surface of the connecting block.

[0013] Furthermore, a sliding hole penetrating from top to bottom is provided on the first suspension, a guide rod is slidably inserted into the sliding hole, and the bottom end of the guide rod is fixedly connected to the upper surface of the upper mold base.

[0014] Furthermore, an injection hole extending vertically downward is provided on the upper surface of the upper mold base, and when the upper mold base is safely inserted into the lower mold base, the injection hole is communicated with the mold cavity.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows.

[0016] The utility model realizes demoulding by using the first pushing plate to push the molded part downward when the upper mold base moves upward, so as to separate the molded part from the upper mold base, and uses the pushing mechanism to push the molded part upward to separate the molded part from the lower mold base, so as to realize rapid demoulding, replace the traditional demoulding method of manual hammering, have high demoulding efficiency, reduce labor intensity, and will not cause damage to the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic cross-sectional view of a local structure of the utility model;

[0019] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0020] Figure 4 It is a detailed structural diagram of the first and second driving mechanisms in the utility model.

[0021] In the figure: 01, mold cavity; 1, base; 2, lower mold base; 3, upper mold base; 301, injection hole; 31, first receiving hole; 32, guide hole; 33, vertical rod; 34, first push plate; 4, push mechanism; 401, inner channel; 402, connecting hole; 403, second receiving hole; 41, piston; 42, connecting rod; 43, second push plate; 44, spring; 45, guide tube; 46, limit ring; 5, vertical frame; 6, first driving mechanism; 61, first suspension; 62, first electric push cylinder; 7, second driving mechanism; 71, second suspension; 72, second electric push cylinder; 73, connecting arm; 74, connecting block; 8, guide rod; 81, sliding hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms, "connection" and "installation" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. In addition, "connection" can be a direct connection or an indirect connection through an intermediate medium. Among them, "fixed" means that they are connected to each other and the relative position relationship after connection remains unchanged. The directional terms mentioned in the embodiments of the present utility model, such as "inside", "outside", "top", "bottom", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present utility model.

[0024] In the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0025] See also Figure 1-Figure 4 The utility model provides a mechanical mold that is easy to demould, including a base 1, a lower mold base 2 is fixed on the base 1, a vertical frame 5 extending vertically upward is fixed on the upper side of the base 1 and located behind the lower mold base 2, an upper mold base 3 is installed on the vertical frame 5 through a second driving mechanism 7, and the second driving mechanism 7 is used to drive the upper mold base 3 to move up and down. When the upper mold base 3 is inserted into the lower mold base 2, a mold cavity 01 for molding the mechanical shell is formed between the upper mold base 3 and the inner wall of the lower mold base 2, and the lower end surface of the upper mold base 3 is provided with a first A storage hole 31, the top wall of the first storage hole 31 is provided with a guide hole 32 that passes through the top surface of the upper mold base 3, a vertical rod 33 is slidably installed in the guide hole 32, and the vertical rod 33 extends to the bottom end of the first storage hole 31 and is installed with a first push plate 34 that can fit and be embedded in the first storage hole 31, a first driving mechanism 6 is provided on the vertical frame 5, the first driving mechanism 6 is used to drive the vertical rod 33 to be raised and lowered, and a pushing mechanism 4 is provided in the lower mold base 2, and the pushing mechanism 4 is used to push the formed mechanical shell upward.

[0026] When using this mold to manufacture a mechanical housing, the first driving mechanism 6 drives the upright rod 33 to move down to the limit position, and the second driving mechanism 7 drives the upper mold base 3 to move down and fully insert it into the lower mold base 2. At this time, the first push plate 34 is completely consistent with the first receiving hole 31, and the side edge surface of the first push plate 34 is tightly fitted with the inner wall of the first receiving hole 31, and the lower end surface of the first push plate 34 is kept flush with the lower end surface of the upper mold base 3 to ensure the flatness of the surface of the molded mechanical housing. Subsequently, the casting liquid is injected into the mold cavity 01, and demolding is performed after cooling and molding. When demolding, the upper mold base 3 is first driven by the second driving mechanism 7 to move up. During the upward movement of the upper mold base 3, it slides with the vertical rod 33, and then the second push plate 43 extends from the lower end of the upper mold base 3, which can push the mechanical housing tightly connected to the upper mold base 3 away from the upper mold base 3. After the upper mold base 3 rises to the required height, the first driving mechanism 6 works to drive the vertical rod 33 and the first push plate 34 to move up and disengage from the lower mold base 2 to avoid obstruction to the removal of the mechanical housing. Subsequently, the pushing mechanism 4 works to push the mechanical housing upward so that the mechanical housing is separated from the inner wall of the lower mold base 2. When the mechanical housing moves upward and extends above the lower mold base 2, it can be easily taken out by pinching the mechanical housing to achieve demoulding.

[0027] Specifically, the pushing mechanism 4 includes a piston 41, a connecting rod 42, a second pushing plate 43 and a guide tube 45. A vertically extending inner channel 401 is provided in the lower die base 2. A connecting hole 402 is provided in the top wall of the inner channel 401. A second receiving hole 403 communicating with the communicating hole 402 is provided in the bottom wall of the lower die base 2. The piston 41 is slidably mounted in the inner channel 401. A connecting rod 42 is vertically fixed to the top of the piston 41. The connecting rod 42 slides through the communicating hole 402 and extends into the second receiving hole 403. A second pushing plate 43 that can be fitted and embedded in the second receiving hole 403 is installed at the end of the connecting rod 42 located in the second receiving hole 403. The guide tube 45 is connected to the outer side of the lower die base 2. One end of the guide tube 45 is connected to the gas distribution system and the other end extends into the lower die base 2 and is communicated with the inner channel 401. The gas distribution system The system has two functions of inflation and exhaust, and adopts existing technology. Therefore, the specific structure and working principle are not disclosed in this application. Through the operation of the gas distribution system, gas is filled into the inner channel 401 through the guide tube 45, the air pressure in the inner channel 401 increases, and the push piston 41 moves upward, thereby driving the connecting rod 42 and the second push plate 43 to move upward, thereby achieving a pushing effect on the formed part. Through the exhaust operation of the gas distribution system, the gas in the inner channel 401 can be extracted, thereby driving the piston 41 to move downward, until the second push plate 43 is completely reset to the second receiving hole 403, and when the second push plate 43 is completely reset to the second receiving hole 403, the outer peripheral wall of the second push plate 43 is tightly fitted with the inner wall of the second receiving hole 403, and the upper end surface of the second push plate 43 is kept flush with the inner bottom wall surface of the lower mold base 2, so as to ensure the surface flatness of the formed part.

[0028] Specifically, a spring 44 is sleeved on the outside of the connecting rod 42, one end of the spring 44 is fixed to the inner top wall of the inner channel 401, and the other end is fixed to the upper surface of the piston 41. When the piston 41 moves upward, the spring 44 is compressed and stores force. When the piston 41 moves downward and resets, the spring 44 is elastically released, thereby assisting the connecting rod 42 and the second push plate 43 to move downward and reset.

[0029] Specifically, a limit ring 46 is fixed on the inner wall of the inner channel 401 above the guide tube 45. The inner hole diameter of the limit ring 46 is smaller than the diameter of the piston 41. The limit ring 46 can block and limit the piston 41 to prevent the piston 41 from moving downward excessively and blocking the guide tube 45, thereby affecting the gas distribution work.

[0030] Specifically, the first driving mechanism 6 includes a first suspension 61 fixed on the top of the vertical frame 5 and a first electric push cylinder 62 vertically fixed on the upper surface of the first suspension 61. The telescopic rod of the first electric push cylinder 62 extends through the bottom of the first suspension 61 and is fixedly connected to the top of the vertical pole 33. The telescopic rod of the first electric push cylinder 62 can be extended and retracted to drive the vertical pole 33 to perform corresponding lifting and lowering adjustments.

[0031] Specifically, the second driving mechanism 7 includes a second suspension 71 fixed to the side of the vertical frame 5, a second electric push cylinder 72 vertically fixed to the lower surface of the second suspension 71, a connecting arm 73 vertically fixed to the end of the telescopic rod of the second electric push cylinder 72, and a connecting block 74 fixed to the side of the upper mold base 3. The lower end of the connecting arm 73 is fixedly connected to the upper surface of the connecting block 74. Through the telescopic rod of the second electric push cylinder 72, the upper mold base 3 can be driven to be raised and lowered under the fixed connection between the connecting arm 73 and the connecting block 74.

[0032] Specifically, the first suspension 61 is provided with a sliding hole 81 which passes through the upper and lower parts, and a guide rod 8 is inserted and slidably penetrated in the sliding hole 81. The bottom end of the guide rod 8 is fixedly connected to the upper surface of the upper mold base 3. When the upper mold base 3 is raised and lowered, the sliding cooperation between the guide rod 8 and the sliding hole 81 plays a guiding and limiting support role, thereby ensuring the smoothness and stability of the lifting process of the upper mold base 3.

[0033] Specifically, an injection hole 301 extending vertically downward is provided on the upper surface of the upper mold base 3 . When the upper mold base 3 is safely inserted into the lower mold base 2 , the injection hole 301 is communicated with the mold cavity 01 , and the casting liquid can be injected into the mold cavity 01 through the injection hole 301 .

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A mechanical mold for easy demoulding, comprising a base (1), characterized in that: A lower die base (2) is fixed on the base (1); a vertical frame (5) extending vertically upward is fixed above the base (1) and located at the rear side of the lower die base (2); an upper die base (3) is mounted on the vertical frame (5) via a second driving mechanism (7); the second driving mechanism (7) is used to drive the upper die base (3) to move upward and downward; When the upper die base (3) is inserted into the lower die base (2), a die cavity (01) for molding the mechanical housing is formed between the inner walls of the upper die base (3) and the lower die base (2); The lower end surface of the upper mold base (3) is provided with a first receiving hole (31); the inner top wall of the first receiving hole (31) is provided with a guide hole (32) penetrating the top surface of the upper mold base (3); a vertical rod (33) is slidably installed in the guide hole (32); the bottom end of the vertical rod (33) extending into the first receiving hole (31) is provided with a first push plate (34) that can be fitted and embedded in the first receiving hole (31); The stand (5) is provided with a first driving mechanism (6), and the first driving mechanism (6) is used to drive the stand (33) to perform lifting and lowering adjustment; A pushing mechanism (4) is provided in the lower die base (2), and the pushing mechanism (4) is used to push the formed mechanical housing upwards.

2. A mechanical mold for easy demoulding according to claim 1, characterized in that: The pushing mechanism (4) comprises a piston (41), a connecting rod (42), a second pushing plate (43) and a flow guide tube (45); The lower die base (2) is provided with a vertically extending inner channel (401), the inner top wall of the inner channel (401) is provided with a connecting hole (402), and the inner bottom wall of the lower die base (2) is provided with a second receiving hole (403) communicating with the connecting hole (402); The piston (41) is slidably mounted in the inner channel (401), the connecting rod (42) is vertically fixed to the top of the piston (41), the connecting rod (42) slides through the connecting hole (402) and extends into the second receiving hole (403), and the end of the connecting rod (42) located in the second receiving hole (403) is equipped with a second push plate (43) that can be matched and embedded in the second receiving hole (403); The guide pipe (45) is connected to the outer side of the lower die base (2); one end of the guide pipe (45) is connected to the gas distribution system, and the other end extends into the lower die base (2) and is in communication with the inner channel (401).

3. A mechanical mold for easy demoulding according to claim 2, characterized in that: A spring (44) is sleeved on the outside of the connecting rod (42); one end of the spring (44) is fixed to the inner top wall of the inner channel (401), and the other end is fixed to the upper surface of the piston (41).

4. A mechanical mold for easy demoulding according to claim 2, characterized in that: A limit ring (46) is fixed on the inner wall of the inner channel (401) above the flow guide tube (45), and the inner hole diameter of the limit ring (46) is smaller than the diameter of the piston (41).

5. The mechanical mold for easy demoulding according to claim 1, characterized in that: The first driving mechanism (6) comprises a first suspension (61) fixed to the top of the stand (5) and a first electric push cylinder (62) vertically fixed to the upper surface of the first suspension (61); The telescopic rod of the first electric push cylinder (62) extends through and below the first suspension (61), and is fixedly connected to the top end of the vertical rod (33).

6. A mechanical mold for easy demoulding according to claim 1, characterized in that: The second driving mechanism (7) comprises a second suspension (71) fixed to the side of the stand (5), a second electric push cylinder (72) vertically fixed to the lower surface of the second suspension (71), a connecting arm (73) vertically fixed to the end of the telescopic rod of the second electric push cylinder (72), and a connecting block (74) fixed to the side of the upper mold base (3); The lower end of the connecting arm (73) is fixedly connected to the upper surface of the connecting block (74).

7. A mechanical mold for easy demoulding according to claim 5, characterized in that: The first suspension (61) is provided with a sliding hole (81) which passes through the sliding hole (81) vertically, and a guide rod (8) is inserted and slidably penetrated in the sliding hole (81); The bottom end of the guide rod (8) is fixedly connected to the upper surface of the upper die base (3).

8. The mechanical mold for easy demoulding according to claim 6, characterized in that: The upper surface of the upper die base (3) is provided with an injection hole (301) extending vertically downwards; when the upper die base (3) is securely inserted into the lower die base (2), the injection hole (301) is in communication with the die cavity (01).

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