Injection molding machine with modular ejection mechanism
The modularly designed injection molding machine enables four-shot injection molding, solving the problem of low efficiency of existing two-shot injection molding machines when producing three- or four-color products, improving production efficiency and adapting to diverse needs.
Patent Information
- Application Number
- CN202520437766.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing twin-shot injection molding machines cannot meet the injection molding requirements when producing three- or four-color products, requiring multiple steps and resulting in low production efficiency.
Design an injection molding machine with a modular injection mechanism, including a first injection stage and a second injection stage arranged with a front-to-back spacing, and install a first injection module on the upper end of the mold, and set a second injection module on the front side of the first machine base. The modular design realizes four-shot injection molding, and the injection modules can be detached to adapt to different injection molding machine types.
It enables injection molding of four different materials, avoids multiple steps, improves production efficiency, meets diverse injection molding needs, and is applicable to different types of injection molding machines.
Smart Images

Figure CN223820971U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to injection molding machine field technology especially is point to a kind of injection molding machine with modularization injection mechanism. BACKGROUND
[0002] Injection molding machine is also called injection molding machine or injection machine, and many factories call it injection machine, and injection product is called injection part. It is the main molding equipment for making various shape plastic products by thermoplastic or thermosetting material using plastic molding die. Injection molding machine can be divided into vertical, horizontal and vertical-horizontal composite type according to the arrangement of injection device and locking device.
[0003] However, with the continuous development of science and technology and the increasing improvement of people's living standards, part of injection products has been difficult to meet the requirements of users. The double-shot injection molding machine currently has two fixed intervals of two injection platforms. 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 requirements, and multiple operations are required to realize three or four color injection, resulting in low production efficiency.
[0004] Therefore, it is necessary to develop a new technology to solve the above problems. UTILITY MODEL CONTENT
[0005] Therefore, the utility model provides an injection molding machine with modularization injection mechanism, which achieves the purpose of four-shot injection molding, avoids multiple operations and improves production efficiency, and meets different injection molding processing requirements.
[0006] To achieve the above purpose, the utility model adopts the following technical solutions:
[0007] An injection molding machine with modularization injection mechanism comprises a first machine base and a second machine base arranged on the right side of the first machine base. A mold is arranged between the first machine base and the second machine base. An injection space is arranged above the second machine base on the right side of the mold. A first injection platform and a second injection platform are arranged on the first machine base with a front-to-back interval. The injection ends of the first injection platform and the second injection platform pass through the mold and protrude into the injection space.
[0008] 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.
[0009] 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.
[0010] As a preferred embodiment, both the first and second firing platforms are provided with a first driving mechanism at their bottom for driving the platforms to move left and right.
[0011] As a preferred embodiment, 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, and the lower end of the injection unit passes through the slide and extends out of the lower end of the slide.
[0012] As a preferred embodiment, the first guiding mechanism includes a first slider and a first slide rail that are mutually slidably adapted to each other.
[0013] As a preferred embodiment, the driving end of the second driving mechanism is connected to a linkage rod, and one end of the linkage rod is connected to one side of the slide block through a linkage block.
[0014] As a preferred embodiment, a support plate is installed on the upper end of the slide, and 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, and the lower end of the injection unit passes through the support plate and the slide in sequence.
[0015] As a preferred embodiment, there are two third drive mechanisms, which are respectively located at the other two opposite corners of the support plate. The drive ends of both third drive mechanisms are connected to a first lead screw. The lower end of the first lead screw is connected to a 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.
[0016] As a preferred embodiment, a movable mounting base is provided above the machine tool, and 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 are slidably adapted to each other. An adjustment handle is installed above the machine tool, and 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 and 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 injection stage is connected to the first guide post through a connecting seat, and the drive end of the fourth drive mechanism is connected to the connecting seat.
[0017] As a preferred embodiment, the second base is provided 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 disposed on the base. The four second guide pillars are respectively disposed at the corners of the base, and the four guide pillars enclose a toggle space. The moving template is movably mounted on the four guide pillars, and the left end of the four second guide pillars is connected to the mold. The fixed frame is mounted on the four guide pillars and located between the moving template and the base. The toggle mechanism is disposed within the toggle space, with one end of the toggle mechanism axially connected to the base and the other end of the toggle mechanism axially connected to the moving template. The turntable is disposed 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 disposed 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 causing the toggle mechanism to open or close.
[0018] As a preferred embodiment, 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.
[0019] Compared with the prior art, this utility model has significant advantages and beneficial effects. Specifically, as can be seen from the above technical solution, it mainly involves setting a first injection stage and a second injection stage arranged with a front-to-back spacing on a first machine base, installing a first injection module on the upper end of the mold, and setting a second injection module on the front side of the first machine base. This adds a vertical injection module and a lateral injection module to the existing front-to-back horizontally arranged double injection stages, thereby achieving four-shot injection molding. This allows for the injection molding of four different materials at once, avoiding multi-step operations, improving production efficiency, and meeting different injection molding processing needs. Furthermore, by... The first injection module is detachably mounted on the upper part of the mold, and the second injection module is independently arranged on 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 used for different injection molding machine types. Furthermore, by making the first injection module include a base, a slide that can be moved left and right on the base, and an injection unit that can be moved up and down on the slide, and making the second injection module include a machine base and a third injection stage that can be moved left and right on the machine base, the injection end positions of the first and second injection modules are adjustable to adapt to the assembly requirements of different injection molding machine types.
[0020] To more clearly illustrate the structural features, technical means, and specific objectives and functions of this utility model, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;
[0022] Figure 2 This is a schematic diagram of the overall structure from another angle of an embodiment of the present utility model;
[0023] Figure 3 This is another overall structural schematic diagram of an embodiment of the present utility model;
[0024] Figure 4 This is a three-dimensional structural schematic diagram of the first firing platform according to an embodiment of the present utility model;
[0025] Figure 5 This is a three-dimensional structural diagram of the first firing platform according to an embodiment of the present invention from another angle;
[0026] Figure 6 This is a three-dimensional structural diagram of the third firing platform according to an embodiment of the present utility model;
[0027] Figure 7 This is a three-dimensional structural diagram of the third firing platform from another angle, according to an embodiment of this utility model.
[0028] Figure 8 This is a three-dimensional structural diagram of the third firing platform according to another embodiment of the present utility model;
[0029] Figure 9 This is a three-dimensional structural schematic diagram of the clamping unit according to an embodiment of the present utility model;
[0030] Figure 10 This is a three-dimensional structural diagram of the clamping unit from another angle, according to an embodiment of the present invention.
[0031] Figure 11 This is a three-dimensional structural schematic diagram of the first injection module according to an embodiment of the present utility model;
[0032] Figure 12 This is a three-dimensional structural diagram of the first injection module according to an embodiment of the present invention from another angle;
[0033] Figure 13 This is a three-dimensional structural diagram of the first injection module according to an embodiment of the present utility model from another angle;
[0034] Figure 14 This is a cross-sectional schematic diagram of the first injection module according to an embodiment of the present invention.
[0035] Explanation of reference numerals in the attached diagram:
[0036] 10. First frame; 20. Second frame
[0037] 30. Mold; 40. First injection stand
[0038] 50. Second firing platform; 60. First firing module
[0039] 61. Base; 62. Slide
[0040] 63. Injection unit; 64. Second drive mechanism
[0041] 65. Guide column 66. Movable seat
[0042] 67. Third drive 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 platform; 72. Third firing platform
[0047] 73. Mounting base; 74. Second slider
[0048] 75. Second slide rail 76. Adjustment handle
[0049] 77. Second lead screw 78. Second lead screw nut
[0050] 79. First guide post; 710. Connecting seat
[0051] 80. First drive mechanism; 90. Clamping unit
[0052] 91. Turntable 92. Moving template
[0053] 93. Fixed frame; 94. Torx mechanism
[0054] 941. First movable wall; 942. First connecting rod
[0055] 943, Second Link; 944, Third Link
[0056] 945. Second movable wall; 95. Fifth drive mechanism
[0057] 96. Seat body; 97. Second guide post
[0058] 101. Injection space. Detailed Implementation
[0059] Please refer to Figures 1 to 14 As shown, it illustrates the specific structure of an embodiment of the present invention.
[0060] An injection molding machine with a modular injection mechanism includes a first base 10 and a second base 20 disposed on the right side of the first base 10. A mold 30 is disposed between the first base 10 and the second base 20. An injection space 101 is provided on the right side of the mold 30 above the second base 20. A first injection stage 40 and a second injection stage 50 are disposed on the first base 10 with a front-to-back spacing. The injection ends of the first injection stage 40 and the second injection stage 50 both pass through the mold 30 and are exposed in the injection space 101. The bottom of the first injection stage 40 and the second injection stage 50 are each provided with a first driving mechanism 80 for driving the injection stage to move left and right. The first driving mechanism 80 is preferably a hydraulic cylinder, which drives the first injection stage 40 and the second injection stage 50 to move left and right, respectively.
[0061] The upper end of the mold 30 is detachably equipped with a first injection module 60. The first injection module 60 includes a base 61 detachably mounted on the upper end of the mold 30, a slide 62 movably mounted on the base 61, and an injection unit 63 movably mounted on the slide 62. The injection end of the injection unit 63 is vertically oriented towards the injection space 101. In this way, a vertical injection module is added to the existing dual injection stage arranged horizontally. By detachably mounting the first injection module 60 on the upper end of the mold 30, a modular injection mechanism design of the first injection module 60 is realized, so that the first injection module 60 can be used for different types of injection molding machines.
[0062] A first guide mechanism is provided between the base 61 and the slide 62. Preferably, the first guide mechanism includes a first slider and a first slide rail that slide and adapt to each other. A second drive mechanism 64 is provided on one side of the base 61. The drive end of the second drive mechanism 64 is connected to the slide 62 and drives the slide 62 to move left and right. The drive end of the second drive mechanism 64 is connected to a linkage rod 68. One end of the linkage rod 68 is connected to one side of the slide 62 through a linkage block 69. The second drive mechanism 64 is preferably a hydraulic cylinder. A guide post 65 is installed on the upper end of the slide 62. A movable seat 66 that can move up and down is installed on the guide post 65. A third drive mechanism 67 is installed on the movable seat 66. The drive end of the third drive mechanism 67 is connected to the movable seat 66 and drives the movable seat 66 to move up and down. The upper end of the injection unit 63 is connected to the movable seat 66, and the lower end of the injection unit 63 passes through the slide 62 and extends out of the lower end of the slide 62.
[0063] The upper end of the slide 62 is equipped with a support plate 610. There are two guide posts 65, which are respectively located at two opposite corners of the support plate 610. The two opposite sides of the movable seat 66 are respectively connected to the two guide posts 65. The lower end of the injection unit 63 passes through the support plate 610 and the slide 62 in sequence.
[0064] There are two third drive mechanisms 67, which are respectively located at the other two opposite corners of the support plate 610. The third drive mechanism 67 is preferably a motor. The drive ends of the two third drive mechanisms 67 are connected to a first lead screw 611. The lower end of the first lead screw 611 is connected to the rotating shaft 613 on the support plate 610 through a coupling 612. The first lead screw 611 is connected to the movable seat 66 through a first lead screw 611 nut.
[0065] A second injection module 70 is provided on the front side of the first base 10. The second injection module 70 includes a machine base 71 and a third injection stage 72 that is movable left and right on top of the machine base 71. The injection end of the third injection stage 72 faces the injection space 101. In this way, a lateral injection module is added to the dual injection stages arranged in a front-to-back direction. The second injection module 70 is independently arranged on the front side of the first base 10, which realizes the modular injection mechanism design of the second injection module 70, so that the second injection module 70 can be used for different injection molding machine types. Specifically, a movable mounting base 73 is provided above the machine base 71. A second guide mechanism is provided between the mounting base 73 and the machine base 71. The second guide mechanism includes a second slider 74 and a second slide rail 75 that slide and adapt to each other. An adjustment handle 76 is installed above the machine base 71. A second lead screw 77 extending in the left-right direction is provided below the mounting base 73. The second lead screw 77 is connected to the adjustment handle 76. The second lead screw 77 is connected to the lower part of the mounting base 73 through a second lead screw nut 78. A fourth drive mechanism and a first guide post 79 extending in the front-back direction are provided above the mounting base 73. The third shooting platform 72 is connected to the first guide post 79 through a connecting seat 710. The drive end of the fourth drive mechanism is connected to the connecting seat 710.
[0066] In this embodiment, a clamping unit 90 is provided on the second base 20. The clamping unit 90 includes a frame, a turntable 91, a movable template 92, a fixed frame 93, a toggle mechanism 94, and a fifth drive mechanism 95. The frame includes a base 96 and four second guide pillars 97 disposed on the base 96. The four second guide pillars 97 are respectively disposed at the corners of the base 96, and the four guide pillars form a toggle space. The movable template 92 can move back and forth on the four guide pillars. The left end of the four second guide pillars 97 is connected to the mold 30. The fixed frame 93 passes through... The four guide pillars are located between the moving template 92 and the base 96; the toggle mechanism 94 is set in the toggle space, one end of the toggle mechanism 94 is axially connected to the base 96, and the other end of the toggle mechanism 94 is axially connected to the moving template 92; the turntable 91 is set on the left side of the moving template 92; the injection space 101 is formed between the mold 30 and the turntable 91; the fifth drive mechanism 95 is set on the right end of the base 96; the drive end of the fifth drive mechanism 95 is connected to the fixed frame 93 and drives the fixed frame 93 to move back and forth left and right, thereby driving the toggle mechanism 94 to open or close.
[0067] The elbow mechanism 94 includes 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 96, one end of the first connecting rod 942 is axially connected to the other end of the first movable wall 941, one end of the second connecting rod 943 is axially connected to the other end of the first connecting rod 942, one end of the second movable wall 945 is axially connected to the other end of the second connecting rod 943, the other end of the second movable wall 945 is connected to the moving template 92, one end of the third connecting rod 944 is axially connected to the middle part of the first connecting rod 942, and the other end of the third connecting rod 944 is axially connected to the fixed frame 93.
[0068] In summary, the key design feature of this utility model lies in its arrangement of a first injection stage and a second injection stage spaced apart on a first machine base, with a first injection module mounted on the upper end of the mold and a second injection module positioned on the front side of the first machine base. This adds a vertical injection module and a lateral injection module to the existing dual injection stages arranged laterally, achieving four-shot injection molding. This allows for the simultaneous injection molding of four different materials, avoiding multiple steps and improving production efficiency. It also meets diverse injection molding processing requirements. Furthermore, the first injection module can be detachably installed... Mounted on the upper end of the mold, the second injection module is independently arranged on the front side of the first machine base, realizing a modular injection mechanism design for the first and second injection modules. This allows the first and second injection modules to be applicable to different types of injection molding machines. Furthermore, by including a base, 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 in the first injection module, and including a machine base and a third injection stage mounted on the machine base that can move left and right in the second injection module, the injection end positions of the first and second injection modules are adjustable to adapt to the assembly requirements of different injection molding machine models.
[0069] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.
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.
2. The injection molding machine with a modular injection mechanism according to claim 1, characterized in that: Both the first and second firing platforms are equipped with a first driving mechanism at their bottom for driving the platforms to move left and right.
3. The injection molding machine with a modular injection mechanism according to claim 1, characterized in that: 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.
4. The injection molding machine with a modular injection mechanism according to claim 3, characterized in that: The first guiding mechanism includes a first slider and a first slide rail that are mutually adapted to slide against each other.
5. The injection molding machine with a modular injection mechanism according to claim 3, 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.
6. The injection molding machine with a modular injection mechanism according to claim 3, 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.
7. The injection molding machine with a modular injection mechanism according to claim 6, 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.
8. 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.
9. The injection molding machine with a modular injection mechanism according to claim 1, characterized in that: 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 disposed on the base. The four second guide pillars are respectively disposed 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 end of each pillar 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 disposed 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 disposed 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 disposed 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.
10. The injection molding machine with a modular injection mechanism according to claim 9, 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.