Injection molding machine with modular injection mechanism

Abstract

The application discloses an injection molding machine with a modular injection mechanism, comprising a first machine base and a second machine base, a mold is arranged between the first machine base and the second machine base, a first injection platform and a second injection platform are arranged at a front-rear interval on the first machine base, a first injection module is mounted at an upper end of the mold, the first injection module comprises a base which is detachably mounted at the upper end of the mold, a sliding seat which is movably mounted on the base, and a material injection unit which is movably mounted on the sliding seat, and an injection end of the material injection unit is vertically directed towards an injection space; a second injection module is arranged outside a front side of the first machine base, the second injection module comprises a machine table and a third injection platform which is movably mounted above the machine table, and an injection end of the third injection platform is directed towards the injection space; the injection molding machine can realize four-injection molding, and can realize injection molding of four different materials at one time, thereby avoiding multi-step operation, improving production efficiency, and meeting different injection molding processing requirements.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of injection molding machine technology, in particular to an injection molding machine with modular injection mechanism. BACKGROUND

[0002] The injection molding machine is also called injection molding machine or injection machine. It is the main molding equipment for making various shaped plastic products by using thermoplastic or thermosetting materials in a plastic molding mold. According to the arrangement of the injection device and the locking device, the injection molding machine can be divided into vertical, horizontal and vertical-horizontal combined types.

[0003] As a unique injection molding method, double-shot injection molding can produce special products with different colors or material combinations to meet some special needs and form more types of appearance, so that the molded products no longer have only a single appearance. However, with the continuous development of science and technology and the increasing improvement of people's living standards, some injection molded products have been difficult to meet the requirements of users. The double-shot injection molding machine currently has two fixed pitch injection stations. This injection molding machine can only be used for double-color mold production. When producing three or four colors, the double-shot injection molding machine cannot meet the injection molding processing needs, and multiple steps are required to achieve three or four color injection molding, resulting in low production efficiency.

[0004] Therefore, it is necessary to develop a new technology to solve the above problems. SUMMARY

[0005] Therefore, the present application aims to solve the problems in the prior art. The main purpose is to provide an injection molding machine with modular injection mechanism, which achieves four-shot injection molding, avoids multiple steps, improves production efficiency, and meets different injection molding processing needs.

[0006] To achieve the above purpose, the present application adopts the following technical solutions:

[0007] An injection molding machine with modular injection mechanism, comprising a first machine base and a second machine base arranged on the right side of the first machine base, a mold arranged between the first machine base and the second machine base, an injection molding space arranged above the right side of the mold and the second machine base, a first injection station and a second injection station arranged on the first machine base with a front-to-back spacing, and the injection end of the first injection station and the second injection station penetrating through the mold and exposed in the injection molding space.

[0008] The upper end of the mold is detachably mounted with a first injection module, the first injection module comprises a base detachably mounted on the upper end of the mold, a sliding seat movably mounted on the base, and a material injection unit movably mounted on the sliding seat, the injection end of the material injection unit vertically faces the injection space;

[0009] The front side of the first base is externally provided with a second injection module, the second injection module comprises a machine table and a third injection table movably mounted above the machine table, the injection end of the third injection table faces the injection space;

[0010] The bottom of the first injection table and the second injection table are both provided with a first driving mechanism for driving the injection table to move left and right;

[0011] The base and the sliding seat are provided with a first guide mechanism, one side of the base is provided with a second driving mechanism, the driving end of the second driving mechanism is connected with the sliding seat and drives the sliding seat to move left and right, the upper end of the sliding seat is mounted with a guide column, the guide column is mounted with a movable seat capable of moving up and down, the movable seat is mounted with a third driving mechanism, the driving end of the third driving mechanism is connected with the movable seat and drives the movable seat to move up and down, the upper end of the material injection unit is connected to the movable seat, and the lower end of the material injection unit extends out of the lower end of the sliding seat through the sliding seat;

[0012] The second base is provided with a mold clamping unit, the mold clamping unit comprises a rack, a rotating disc, a movable die plate, a fixing frame, an elbow mechanism and a fifth driving mechanism; the rack comprises a seat body and four second guide columns arranged on the seat body, the four second guide columns are arranged at the corners of the seat body, and the four guide columns form an elbow space; the movable die plate is movably arranged on the four guide columns, the left end of the four second guide columns is connected to the mold, the fixing frame is arranged on the four guide columns and located between the movable die plate and the seat body; the elbow mechanism is arranged in the elbow space, one end of the elbow mechanism is connected with the seat body, the other end of the elbow mechanism is connected with the movable die plate, the rotating disc is arranged on the left side of the movable die plate, the injection space is formed between the mold and the rotating disc, and the fifth driving mechanism is arranged on the right end of the seat body; the driving end of the fifth driving mechanism is connected with the fixing frame and drives the fixing frame to move left and right, thereby driving the elbow mechanism to open or close.

[0013] As a preferred solution, the first guide mechanism comprises a first sliding block and a first sliding rail which are slidably matched with each other.

[0014] As a preferred solution, the driving end of the second driving mechanism is connected with a linkage rod, one end of the linkage rod is connected to one side of the sliding seat through a linkage block.

[0015] As a preferred scheme, the upper end of the sliding base is provided with a support plate, the guide column has two, and the two guide columns are arranged at two opposite corners of the support plate respectively.

[0016] As a preferred scheme, the third driving mechanism has two, and the two third driving mechanisms are arranged at the other two opposite corners of the support plate respectively, the driving end of the two third driving mechanisms is connected with the first lead screw respectively, the lower end of the first lead screw is connected with the rotating shaft on the support plate through the shaft coupling, and the first lead screw is connected with the moving base through the first lead screw nut.

[0017] As a preferred scheme, the upper portion of the machine table is provided with a left-right movable mounting seat, the second guide mechanism is arranged between the mounting seat and the machine table, the second guide mechanism comprises a second sliding block and a second sliding rail which are adapted to slide with each other, the upper portion of the machine table is provided with an adjusting handle, the lower portion of the mounting seat is provided with a second lead screw which extends in the left-right direction, the second lead screw is connected with the adjusting handle, the second lead screw is connected with the lower portion of the mounting seat through the second lead screw nut, the upper portion of the mounting seat is provided with a fourth driving mechanism and a first guide column which extends in the front-back direction, the third shooting table is connected with the first guide column through a connecting seat, and the driving end of the fourth driving mechanism is connected with the connecting seat.

[0018] As a preferred scheme, the elbow mechanism comprises a first movable wall, a first connecting rod, a second connecting rod, a third connecting rod and a second movable wall, one end of the first movable wall is connected with the seat body, one end of the first connecting rod is connected with the other end of the first movable wall in a shaft mode, one end of the second connecting rod is connected with the other end of the first connecting rod in a shaft mode, one end of the second movable wall is connected with the other end of the second connecting rod in a shaft mode, the other end of the second movable wall is connected with the movable die plate, one end of the third connecting rod is connected with the middle portion of the first connecting rod in a shaft mode, and the other end of the third connecting rod is connected with the fixed frame in a shaft mode.

[0019] Compared with the prior art, the present application has obvious advantages and beneficial effects. Specifically, from the above technical solution, it is mainly through the first shooting table and the second shooting table arranged with a front and back interval on the first machine base, and the first shooting module installed at the upper end of the mold, and the second shooting module arranged outside the front side of the first machine base. In this way, the vertical shooting module and the lateral shooting module are added on the basis of the double shooting table arranged in front and back, so as to achieve the purpose of four-shot injection molding. This can realize the injection molding of four different materials at one time and avoid multi-step operation, improve production efficiency, and meet different injection molding processing needs. In addition, by detachably installing the first shooting module on the upper end of the mold and independently arranging the second shooting module outside the front side of the first machine base, the modular shooting mechanism design of the first shooting module and the second shooting module is realized, so that the first shooting module and the second shooting module can be suitable for different types of injection molding machines. Furthermore, by making the first shooting module include a base, a slide seat movably installed on the base, and a material shooting unit movably installed on the slide seat, and making the second shooting module include a machine table and a third shooting table movably installed above the machine table, the adjustable design of the shooting end position of the first shooting module and the second shooting module is realized to adapt to the assembly requirements of different injection molding machines.

[0020] In order to more clearly illustrate the structural features, technical means and specific purposes and functions achieved by the present application, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present application;

[0022] Figure 2 is another schematic diagram of the overall structure of an embodiment of the present application;

[0023] Figure 3 is another schematic diagram of the overall structure of an embodiment of the present application;

[0024] Figure 4 is a schematic diagram of the overall structure of an embodiment of the present application;

[0025] Figure 5 is another schematic diagram of the overall structure of an embodiment of the present application;

[0026] Figure 6 is a schematic diagram of the overall structure of an embodiment of the present application;

[0027] Figure 7 is another schematic diagram of the overall structure of an embodiment of the present application;

[0028] Figure 8 is another perspective view of the third injection station of the embodiment of the present application;

[0029] Figure 9 is a perspective view of the clamp mold unit of the embodiment of the present application;

[0030] Figure 10 is another perspective view of the clamp mold unit of the embodiment of the present application;

[0031] Figure 11 is a perspective view of the first injection module of the embodiment of the present application;

[0032] Figure 12 is another perspective view of the first injection module of the embodiment of the present application;

[0033] Figure 13 is another perspective view of the first injection module of the embodiment of the present application;

[0034] Figure 14 is a sectional view of the first injection module of the embodiment of the present application.

[0035] BRIEF DESCRIPTION OF DRAWINGS

[0036] 10, first machine base 20, second machine base

[0037] 30, mold 40, first injection station

[0038] 50, second injection station 60, first injection module

[0039] 61, base 62, sliding seat

[0040] 63, material injection unit 64, second driving mechanism

[0041] 65, guide column 66, moving seat

[0042] 67, third driving mechanism 68, linkage rod

[0043] 69, linkage block 610, support plate

[0044] 611, first lead screw 612, coupling

[0045] 613, rotating shaft 70, second injection module

[0046] 71, machine table 72, third injection station

[0047] 73, mounting seat 74, second sliding block

[0048] 75, second sliding rail 76, adjusting handle

[0049] 77, second screw 78, second screw nut

[0050] 79, first guide column 710, connecting seat

[0051] 80, first drive mechanism 90, mold clamping unit

[0052] 91, rotary table 92, movable mold plate

[0053] 93, fixed frame 94, elbow mechanism

[0054] 941, first movable wall 942, first connecting rod

[0055] 943, second connecting rod 944, third connecting rod

[0056] 945, second movable wall 95, fifth drive mechanism

[0057] 96, seat body 97, second guide column

[0058] 101, injection space. DETAILED DESCRIPTION

[0059] Please refer to Figures 1 to 14 , which shows the specific structure of the embodiment of the application.

[0060] An injection molding machine with a modular injection mechanism comprises a first base 10 and a second base 20 arranged on the right side of the first base 10, a mold 30 arranged between the first base 10 and the second base 20, an injection space 101 arranged above the second base 20 on the right side of the mold 30, a first injection platform 40 and a second injection platform 50 arranged on the first base 10 with a front-to-back spacing, the injection ends of the first injection platform 40 and the second injection platform 50 penetrating through the mold 30 and exposed in the injection space 101, a first drive mechanism 80 arranged at the bottom of the first injection platform 40 and the second injection platform 50 for driving the injection platforms to move left and right, and the first drive mechanism 80 is preferably an oil cylinder, which drives the first injection platform 40 and the second injection platform 50 to move left and right respectively.

[0061] The upper end of the mold 30 is detachably mounted with a first injection module 60, the first injection module 60 comprises a base 61 detachably mounted on the upper end of the mold 30, a sliding seat 62 movably mounted on the base 61, and a material injection unit 63 movably mounted on the sliding seat 62, the injection end of the material injection unit 63 vertically faces the injection space 101; in this way, the vertical injection module is added on the basis of the double injection table arranged in front and back, and the modular injection mechanism design of the first injection module 60 is realized by detachably mounting the first injection module 60 on the upper end of the mold 30, so that the first injection module 60 can be suitable for different types of injection molding machines.

[0062] A first guide mechanism is arranged between the base 61 and the sliding seat 62, preferably, the first guide mechanism comprises a first sliding block and a first sliding rail which are slidably matched with each other. A second driving mechanism 64 is arranged on one side of the base 61, the driving end of the second driving mechanism 64 is connected with the sliding seat 62 and drives the sliding seat 62 to move left and right, the driving end of the second driving mechanism 64 is connected with a linkage rod 68, one end of the linkage rod 68 is connected to one side of the sliding seat 62 through a linkage block 69, and the second driving mechanism 64 is preferably an oil cylinder. A guide column 65 is mounted on the upper end of the sliding seat 62, a movable seat 66 capable of moving up and down is mounted on the guide column 65, a third driving mechanism 67 is mounted on the movable seat 66, the driving end of the third driving mechanism 67 is connected with the movable seat 66 and drives the movable seat 66 to move up and down, the upper end of the material injection unit 63 is connected to the movable seat 66, and the lower end of the material injection unit 63 extends out of the lower end of the sliding seat 62.

[0063] A support plate 610 is mounted on the upper end of the sliding seat 62, the guide column 65 has two guide columns 65 which are arranged at two opposite corners of the support plate 610 respectively, two opposite sides of the movable seat 66 are connected to the two guide columns 65 respectively, and the lower end of the material injection unit 63 sequentially passes through the support plate 610 and the sliding seat 62.

[0064] The third driving mechanism 67 has two third driving mechanisms 67 which are arranged at the other two opposite corners of the support plate 610 respectively, the third driving mechanism 67 is preferably a motor, the driving end of each of the two third driving mechanisms 67 is connected with a first lead screw 611, the lower end of the first lead screw 611 is connected to a rotating shaft 613 on the support plate 610 through a coupling 612, and the first lead screw 611 is connected to the movable seat 66 through a first lead screw nut.

[0065] The front side of the first base 10 is externally provided with a second injection module 70, which comprises a machine table 71 and a third injection table 72 movably installed above the machine table 71, and the injection end of the third injection table 72 faces the injection space 101. Thus, the lateral injection module is added on the basis of the double injection tables arranged in front and back, and the second injection module 70 is independently arranged on the front side of the first base 10, so that the modular injection mechanism design of the second injection module 70 is realized, thereby enabling the second injection module 70 to be applicable to different injection molding machine types. Specifically, the upper side of the machine table 71 is provided with a movable mounting seat 73, and a second guide mechanism is arranged between the mounting seat 73 and the machine table 71. The second guide mechanism comprises a second sliding block 74 and a second sliding rail 75 which are slidably matched with each other. An adjusting handle 76 is installed on the upper side of the machine table 71. The lower side of the mounting seat 73 is provided with a second lead screw 77 extending in the left-right direction. The second lead screw 77 is connected to the adjusting handle 76. The second lead screw 77 is connected to the lower side of the mounting seat 73 through a second lead screw nut 78. The upper side of the mounting seat 73 is provided with a fourth driving mechanism and a first guide column 79 extending in the front-back direction. The third injection table 72 is connected to the first guide column 79 through a connecting seat 710. The driving end of the fourth driving mechanism is connected to the connecting seat 710.

[0066] In addition, in the embodiment, the second base 20 is provided with a mold clamping unit 90, which comprises a rack, a rotating disc 91, a movable mold plate 92, a fixed frame 93, an elbow mechanism 94, and a fifth driving mechanism 95. The rack comprises a seat body 96 and four second guide columns 97 arranged on the seat body 96. The four second guide columns 97 are arranged at the corners of the seat body 96, and the four guide columns form an elbow space. The movable mold plate 92 is movably arranged on the four guide columns. The left end of the four second guide columns 97 is connected to the mold 30. The fixed frame 93 is arranged on the four guide columns and located between the movable mold plate 92 and the seat body 96. The elbow mechanism 94 is arranged in the elbow space. One end of the elbow mechanism 94 is connected to the seat body 96, and the other end of the elbow mechanism 94 is connected to the movable mold plate 92. The rotating disc 91 is arranged on the left side of the movable mold plate 92. The injection space 101 is formed between the mold 30 and the rotating disc 91. The fifth driving mechanism 95 is arranged on the right end of the seat body 96. The driving end of the fifth driving mechanism 95 is connected to the fixed frame 93 and drives the fixed frame 93 to move left and right, thereby driving the elbow mechanism 94 to open or close.

[0067] The elbow mechanism 94 comprises a first movable wall 941, a first connecting rod 942, a second connecting rod 943, a third connecting rod 944 and a second movable wall 945; one end of the first movable wall 941 is connected to the seat body 96, one end of the first connecting rod 942 is connected to the other end of the first movable wall 941, one end of the second connecting rod 943 is connected to the other end of the first connecting rod 942, one end of the second movable wall 945 is connected to the other end of the second connecting rod 943, the other end of the second movable wall 945 is connected to the movable die plate 92, one end of the third connecting rod 944 is connected to the middle part of the first connecting rod 942, and the other end of the third connecting rod 944 is connected to the fixed frame 93.

[0068] To sum up, the design focus of the present application is that the first and second injection platforms are arranged at a front-rear interval on the first machine base, the first injection module is installed at the upper end of the mold, and the second injection module is arranged outside the front side of the first machine base. In this way, the vertical injection module and the lateral injection module are added on the basis of the double injection platforms arranged in the front-rear direction, so that four-shot injection molding is achieved. This can realize the injection molding of four different materials at one time and avoid multi-step operation, improve production efficiency, and meet different injection molding processing needs. In addition, the first injection module is detachably installed at the upper end of the mold, and the second injection module is independently arranged outside the front side of the first machine base. This realizes the modular injection mechanism design of the first and second injection modules, so that the first and second injection modules can be suitable for different types of injection machines. Furthermore, the first injection module comprises a base, a sliding seat movably installed on the base, and a material injection unit movably installed on the sliding seat, and the second injection module comprises a machine table and a third injection platform movably installed above the machine table. This realizes the adjustable design of the injection end position of the first and second injection modules to adapt to the assembly requirements of different types of injection machines.

[0069] The above is only a preferred embodiment of the present application, and does not limit the technical scope of the present application. Any minor modification, equivalent change and modification made according to the technical essence of the present application to the above embodiment are still within the scope of the technical solution of the present application.

Claims

1. An injection molding machine with a modular injection mechanism, characterized in that: It includes a first base and a second base located on the right side of the first base. A mold is provided between the first base and the second base. An injection space is provided on the right side of the mold above the second base. A first injection station and a second injection station are provided on the first base with a front-to-back spacing. The injection ends of the first injection station and the second injection station both pass through the mold and are exposed in the injection space. The upper end of the mold is detachably equipped with a first injection module. The first injection module includes a base detachably installed on the upper end of the mold, a slide mounted on the base that can move left and right, and an injection unit mounted on the slide that can move up and down. The injection end of the injection unit is vertically oriented towards the injection space. A second injection module is provided on the front side of the first machine base. The second injection module includes a machine base and a third injection stage that can be moved left and right and is mounted on top of the machine base. The injection end of the third injection stage faces the injection space. The bottom of both the first and second shooting platforms is provided with a first driving mechanism for driving the shooting platforms to move left and right. A first guide mechanism is provided between the base and the slide. A second drive mechanism is provided on one side of the base. The drive end of the second drive mechanism is connected to the slide and drives the slide to move left and right. A guide post is installed on the upper end of the slide. A movable seat that can move up and down is installed on the guide post. A third drive mechanism is installed on the movable seat. The drive end of the third drive mechanism is connected to the movable seat and drives the movable seat to move up and down. The upper end of the injection unit is connected to the movable seat. The lower end of the injection unit passes through the slide and extends out of the lower end of the slide. The second base is equipped with a clamping unit, which includes a frame, a turntable, a moving template, a fixed frame, a toggle mechanism, and a fifth drive mechanism. The frame includes a base and four second guide pillars mounted on the base. The four second guide pillars are respectively located at the corners of the base and form a toggle space. The moving template is movably mounted on the four second guide pillars, with the left ends of the four second guide pillars connected to the mold. The fixed frame is mounted on the four second guide pillars and located between the moving template and the base. The toggle mechanism is located within the toggle space, with one end axially connected to the base and the other end axially connected to the moving template. The turntable is located on the left side of the moving template, and the injection space is formed between the mold and the turntable. The fifth drive mechanism is located on the right end of the base. The drive end of the fifth drive mechanism is connected to the fixed frame and drives the fixed frame to move left and right, thereby opening or closing the toggle mechanism.

2. The injection molding machine with a modular injection mechanism according to claim 1, characterized in that: The first guiding mechanism includes a first slider and a first slide rail that slide and adapt to each other.

3. The injection molding machine with a modular injection mechanism according to claim 1, characterized in that: The second drive mechanism has a linkage rod connected to its drive end, and one end of the linkage rod is connected to one side of the slide block through a linkage block.

4. The injection molding machine with a modular injection mechanism according to claim 1, characterized in that: A support plate is installed on the upper end of the slide block. There are two guide posts, which are respectively located at two opposite corners of the support plate. The two opposite sides of the movable seat are respectively connected to the two guide posts. The lower end of the injection unit passes through the support plate and the slide block in sequence.

5. The injection molding machine with a modular injection mechanism according to claim 4, characterized in that: There are two third drive mechanisms, which are respectively located at the other two opposite corners of the support plate. The drive ends of the two third drive mechanisms are connected to a first lead screw. The lower end of the first lead screw is connected to the rotating shaft on the support plate through a coupling. The first lead screw is connected to the movable seat through a first lead screw nut.

6. The injection molding machine with a modular injection mechanism according to claim 1, characterized in that: A movable mounting base is provided above the machine tool. A second guide mechanism is provided between the mounting base and the machine tool. The second guide mechanism includes a second slider and a second slide rail that slide and adapt to each other. An adjustment handle is installed above the machine tool. A second lead screw extending in the left-right direction is provided below the mounting base. The second lead screw is connected to the adjustment handle. The second lead screw is connected to the lower part of the mounting base through a second lead screw nut. A fourth drive mechanism and a first guide post extending in the front-back direction are provided above the mounting base. The third shooting platform is connected to the first guide post through a connecting seat. The drive end of the fourth drive mechanism is connected to the connecting seat.

7. The injection molding machine with a modular injection mechanism according to claim 1, characterized in that: The toggle mechanism includes a first movable wall, a first connecting rod, a second connecting rod, a third connecting rod, and a second movable wall; one end of the first movable wall is connected to the seat body, one end of the first connecting rod is axially connected to the other end of the first movable wall, one end of the second connecting rod is axially connected to the other end of the first connecting rod, one end of the second movable wall is axially connected to the other end of the second connecting rod, the other end of the second movable wall is connected to the moving template, one end of the third connecting rod is axially connected to the middle part of the first connecting rod, and the other end of the third connecting rod is axially connected to the fixed frame.

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