Injection molding machine with modular ejection mechanism

Abstract

The injection molding machine comprises a first machine base and a second machine base, a mold is arranged between the first machine base and the second machine base, the first machine base is provided with a first injection table and a second injection table which are arranged in a front-back spaced mode, and the upper end of the mold is provided with a first injection module; the first injection module comprises a base detachably installed at the upper end of the mold, a sliding base installed on the base in a left-right moving mode and an injection unit installed on the sliding base in an up-down moving mode, and the injection end of the injection unit vertically faces the injection molding space. A second injection module is arranged outside the front side of the first machine base and comprises a machine table and a third injection table which is installed above the machine table in a left-right moving mode, and the injection end of the third injection table faces the injection molding space. According to the four-shot injection molding machine, the aim of four-shot injection molding is achieved, so that injection molding of four different materials can be achieved at a time, multi-step operation is avoided, the production efficiency is improved, and meanwhile, different injection molding machining requirements can be met.

Description

Technical Field

[0001] The invention relates to the field of injection molding machines, in particular to an injection molding machine with a modular injection mechanism. Background Art

[0002] Injection molding machine is also known as injection molding machine or injection machine. Many factories call it beer machine and injection products are called beer parts. It is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting materials. Injection molding machines can be divided into vertical, horizontal and vertical-horizontal composite types according to the arrangement of the injection device and the clamping device.

[0003] As a unique injection molding method, double-shot injection molding can produce some special-purpose products that require different colors or materials, meet some special needs, and form more types of appearance, so that molded products no longer have only a single appearance. However, with the continuous development of science and technology and the improvement of people's living standards, some injection molding products have been difficult to meet the requirements of users. The double-shot injection molding machine is currently equipped with two shooting tables with two fixed intervals. The injection molding machine can only be used for two-color mold production. When the production requires three or four colors, the double-shot injection molding machine cannot meet the injection molding processing requirements. Multiple steps are required to achieve three-color 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 of the invention

[0005] In view of this, the present invention aims to address the deficiencies in the prior art, and its main purpose is to provide an injection molding machine with a modular injection mechanism, which achieves the purpose of four-shot injection molding, thereby being able to realize injection molding of four different materials at one time and avoiding multi-step operations, thereby improving production efficiency and meeting different injection molding processing requirements.

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

[0007] An injection molding machine with a modular 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 molding space is arranged on the right side of the mold above the second machine base, a first injection platform and a second injection platform are arranged at a front-to-back interval on the first machine base, and injection ends of the first injection platform and the second injection platform both pass through the mold and are exposed in the injection molding space;

[0008] A first injection module is detachably mounted on the upper end of the mold, and the first injection module includes a base detachably mounted on the upper end of the mold, a slide seat movably mounted on the base, and an injection unit movably mounted on the slide seat, wherein the injection end of the injection unit is vertically oriented toward the injection space;

[0009] A second injection module is arranged outside the front side of the first machine base, the second injection module comprises a machine platform and a third injection platform installed above the machine platform so as to be movable left and right, and the injection end of the third injection platform faces the injection space;

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

[0011] A first guide mechanism is provided between the base and the slide, a second drive mechanism is provided on one side of the base, a drive end of the second drive mechanism is connected to the slide and drives the slide to move left and right, a guide column is installed on the upper end of the slide, a moving seat that can move up and down is installed on the guide column, a third drive mechanism is installed on the moving seat, a drive end of the third drive mechanism is connected to the moving seat and drives the moving seat to move up and down, the upper end of the shooting unit is connected to the moving seat, and the lower end of the shooting unit passes through the slide and extends out of the lower end of the slide;

[0012] A clamping unit is arranged on the second machine base, and the clamping unit includes a frame, a turntable, a movable template, a fixed frame, an elbow mechanism and a fifth driving mechanism; the frame includes a base body and four second guide pillars arranged on the base body, the four second guide pillars are respectively arranged at the corners of the base body, and the four guide pillars are surrounded to form an elbow space; the movable template can be passed through the four guide pillars for reciprocating movement left and right, the left ends of the four second guide pillars are connected to the mold, and the fixed frame is passed through the four guide pillars and is located between the movable template and the base body; the elbow mechanism is arranged in the elbow space, one end of the elbow mechanism is axially connected to the base body, and the other end of the elbow mechanism is axially connected to the movable template, the turntable is arranged on the left side of the movable template, the injection space is formed between the mold and the turntable, and the fifth driving mechanism is arranged on the right end of the base body; the driving end of the fifth driving mechanism is connected to the fixed frame and drives the fixed frame to reciprocate left and right, thereby driving the elbow mechanism to open or close.

[0013] As a preferred solution, the first guiding mechanism includes a first sliding block and a first sliding rail that are slidably matched with each other.

[0014] As a preferred solution, 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 seat through a linkage block.

[0015] As a preferred solution, a support plate is installed at the upper end of the slide seat, there are two guide columns, and the two guide columns are respectively arranged at two diagonal positions of the support plate, the two opposite sides of the movable seat are respectively connected to the two guide columns, and the lower end of the shooting unit passes through the support plate and the slide seat in sequence.

[0016] As a preferred solution, there are two third drive mechanisms, which are respectively arranged at the other two diagonals of the support plate. The driving ends of the two third drive mechanisms are connected to the first lead screw, the lower end of the first lead screw is connected to the rotating shaft on the support plate through a coupling, and the first lead screw is connected to the movable seat through a first lead screw nut.

[0017] As a preferred solution, a mounting seat that can be moved left and right is arranged above the machine platform, a second guide mechanism is arranged between the mounting seat and the machine platform, 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 platform, a second lead screw extending in the left and right direction is arranged below the mounting seat, the second lead screw is connected to the adjustment handle, the second lead screw is connected to the bottom of the mounting seat through a second lead screw nut, a fourth drive mechanism and a first guide column extending in the front-back direction are arranged above the mounting seat, the third shooting platform is connected to the first guide column through a connecting seat, and the driving end of the fourth drive mechanism is connected to the connecting seat.

[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 movable 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, the present invention has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical scheme that it is mainly through that a first shooting platform and a second shooting platform arranged with a front-to-back spacing are arranged on the first machine base, and a first injection module is installed at the upper end of the mold, and a second injection module is arranged outside the front side of the first machine base. In this way, a vertical injection module and a lateral injection module can be added on the basis of a double shooting platform arranged horizontally in the front and back, so that the purpose of four-shot injection molding can be achieved. In this way, injection molding of four different materials can be realized at one time, and multi-step operations can be avoided, production efficiency is improved, and different injection molding processing requirements can be met at the same time, and by An injection module is detachably mounted on the upper end of the mold, and the second injection module is independently arranged outside the front side of the first machine base, so that a modular injection mechanism design of the first injection module and the second injection module is realized, so that the first injection module and the second injection module can be suitable for different types of injection molding machines, and, by making the first injection module include a base, a slide seat installed on the base so as to be movable left and right, and a shooting unit installed on the slide seat so as to be movable up and down, the second injection module includes a machine table and a third shooting table installed above the machine table so as to be movable left and right, thereby realizing an adjustable design of the injection end position of the first injection module and the second injection module to adapt to the assembly requirements of different injection molding machine models.

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

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

[0022] Figure 2 It is a schematic diagram of the overall structure of an embodiment of the present invention from another angle;

[0023] Figure 3 This is another perspective overall structural diagram of an embodiment of the present invention;

[0024] Figure 4 is a schematic diagram of the three-dimensional structure of the first shooting platform of an embodiment of the present invention;

[0025] Figure 5 is a schematic diagram of the three-dimensional structure of the first shooting platform of an embodiment of the present invention from another angle;

[0026] Figure 6 is a schematic diagram of the three-dimensional structure of the third shooting platform of the embodiment of the present invention;

[0027] Figure 7 is a schematic diagram of the three-dimensional structure of the third shooting platform of the embodiment of the present invention from another angle;

[0028] Figure 8 It is a three-dimensional structural schematic diagram of the third shooting platform of the embodiment of the present invention from another angle;

[0029] Fig. 9 is a schematic diagram of the three-dimensional structure of the clamping unit according to an embodiment of the present invention;

[0030] Fig.10 is a schematic diagram of the three-dimensional structure of the clamping unit of an embodiment of the present invention from another angle;

[0031] Fig.11 is a schematic diagram of the three-dimensional structure of the first injection module according to an embodiment of the present invention;

[0032] Fig.12 is a schematic diagram of the three-dimensional structure of the first injection module according to an embodiment of the present invention from another angle;

[0033] Fig.13 is a schematic diagram of the three-dimensional structure of the first injection module according to an embodiment of the present invention from another angle;

[0034] Fig.14 It is a cross-sectional schematic diagram of a first injection module according to an embodiment of the present invention.

[0035] Description of the accompanying drawings:

[0036] 10. First base 20. Second base

[0037] 30. Mold 40. First shooting station

[0038] 50. Second injection station 60. First injection module

[0039] 61. Base 62. Sliding seat

[0040] 63. Shooting 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 screw 612, coupling

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

[0046] 71, machine 72, third shooting station

[0047] 73. Mounting seat 74. Second sliding block

[0048] 75. Second slide rail 76. Adjustment handle

[0049] 77. Second lead screw 78. Second lead screw nut

[0050] 79. First guide column 710. Connecting seat

[0051] 80. First driving mechanism 90. Clamping unit

[0052] 91. Turntable 92. Moving template

[0053] 93. Fixed frame 94. Toggle 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 driving mechanism

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

[0058] 101. Injection molding space. DETAILED DESCRIPTION

[0059] Please refer to Figures 1 to 14 As shown, it shows the specific structure of an embodiment of the present invention.

[0060] An injection molding machine with a modular injection mechanism includes a first machine base 10 and a second machine base 20 arranged on the right side of the first machine base 10, a mold 30 is arranged between the first machine base 10 and the second machine base 20, an injection molding space 101 is arranged on the right side of the mold 30 above the second machine base 20, a first shooting platform 40 and a second shooting platform 50 arranged with a front-to-back spacing are arranged on the first machine base 10, and the injection ends of the first shooting platform 40 and the second shooting platform 50 both pass through the mold 30 and are exposed in the injection molding space 101; the bottom of the first shooting platform 40 and the second shooting platform 50 are both provided with a first driving mechanism 80 for driving the shooting platform to move left and right, and the first driving mechanism 80 is preferably a cylinder, which drives the first shooting platform 40 and the second shooting 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, and 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 a shot unit 63 movably mounted on the slide 62, and the shot end of the shot unit 63 is vertically oriented toward the injection space 101. In this way, a vertical injection module is added on the basis of the double-shot platforms arranged horizontally in the front and rear directions, and 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 suitable for different types of injection molding machines.

[0062] A first guide mechanism is provided between the base 61 and the slide 62, and preferably, the first guide mechanism includes a first slider and a first slide rail that are slidably adapted to each other. A second drive mechanism 64 is provided on one side of the base 61, and 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, and 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 an oil cylinder. A guide column 65 is installed at the upper end of the slide 62, and a moving seat 66 that can move up and down is installed on the guide column 65. A third drive mechanism 67 is installed on the moving seat 66, and the drive end of the third drive mechanism 67 is connected to the moving seat 66 and drives the moving seat 66 to move up and down. The upper end of the shot unit 63 is connected to the moving seat 66, and the lower end of the shot unit 63 passes through the slide 62 and extends out of the lower end of the slide 62.

[0063] A support plate 610 is installed at the upper end of the slide seat 62. There are two guide columns 65, which are respectively arranged at two diagonal positions of the support plate 610. Two opposite sides of the movable seat 66 are respectively connected to the two guide columns 65. The lower end of the injection unit 63 passes through the support plate 610 and the slide seat 62 in sequence.

[0064] There are two third drive mechanisms 67, which are respectively arranged at the other two diagonals of the support plate 610. The third drive mechanism 67 is preferably a motor. The driving ends of the two third drive mechanisms 67 are connected to the first lead screw 611, and 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 the first lead screw 611 nut.

[0065] A second injection module 70 is arranged outside the front side of the first machine base 10, and the second injection module 70 includes a machine table 71 and a third injection table 72 installed above the machine table 71 so as to be movable left and right, and the injection end of the third injection table 72 faces the injection space 101. In this way, a lateral injection module can be added on the basis of the double injection tables arranged horizontally in the front and back, and the second injection module 70 is independently arranged outside the front side of the first machine base 10, so that the modular injection mechanism design of the second injection module 70 is realized, so that the second injection module 70 can be suitable for different types of injection molding machines. Specifically, a mounting seat 73 that can be moved left and right is arranged above the machine platform 71, and a second guide mechanism is arranged between the mounting seat 73 and the machine platform 71. The second guide mechanism includes a second slider 74 and a second slide rail 75 that are slidably adapted to each other. An adjustment handle 76 is installed above the machine platform 71, and a second lead screw 77 extending in the left and right direction is arranged below the mounting seat 73. The second lead screw 77 is connected to the adjustment handle 76, and the second lead screw 77 is connected to the bottom of the mounting seat 73 through a second lead screw nut 78. A fourth driving mechanism and a first guide column 79 extending in the front-back direction are arranged above the mounting seat 73. The third shooting platform 72 is connected to the first guide column 79 through a connecting seat 710, and the driving end of the fourth driving mechanism is connected to the connecting seat 710.

[0066] And, in this embodiment, a clamping unit 90 is arranged on the second machine base 20, and the clamping unit 90 includes a frame, a turntable 91, a movable platen 92, a fixed frame 93, a toggle mechanism 94 and a fifth driving mechanism 95; the frame includes a seat body 96 and four second guide pillars 97 arranged on the seat body 96, the four second guide pillars 97 are respectively arranged at the corners of the seat body 96, and the four guide pillars are surrounded to form an toggle space; the movable platen 92 can be movably passed through the four guide pillars, the left ends of the four second guide pillars 97 are connected to the mold 30, and the fixed frame 93 is passed through On the four guide pillars and between the movable platen 92 and the seat body 96; the toggle mechanism 94 is arranged in the toggle space, one end of the toggle mechanism 94 is axially connected to the seat body 96, and the other end of the toggle mechanism 94 is axially connected to the movable platen 92, the turntable 91 is arranged on the left side of the movable platen 92, the injection space 101 is formed between the mold 30 and the turntable 91, and 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 back and forth left and right, thereby driving the toggle mechanism 94 to open or close.

[0067] The toggle 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 body 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 movable 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 design focus of the present invention is that it is mainly through the first base is provided with a first shooting platform and a second shooting platform arranged with a front-to-back spacing, and a first injection module is installed at the upper end of the mold, and a second injection module is arranged outside the front side of the first base, so that it can add a vertical injection module and a lateral injection module on the basis of the double shooting platforms arranged horizontally in the front and back, so as to achieve the purpose of four-shot injection molding, so that it 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 requirements, and, by the first injection module being detachably installed At the upper end of the mold, the second injection module is independently arranged outside the front side of the first machine base, so that a modular injection mechanism design of the first injection module and the second injection module is realized, so that the first injection module and the second injection module can be suitable for different types of injection molding machines, and by making the first injection module include a base, a slide seat installed on the base so as to be movably mounted left and right, and a shooting unit installed on the slide seat so as to be movably mounted up and down, the second injection module includes a machine table and a third shooting table installed above the machine table so as to be movably mounted left and right, thereby realizing an adjustable design of the injection end position of the first injection module and the second injection module to adapt to the assembly requirements of different injection molding machine models.

[0069] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An injection molding machine with a modular injection mechanism, characterized in that: The invention 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 molding space is arranged on the right side of the mold above the second machine base, a first shooting platform and a second shooting platform arranged with a front-to-back spacing are arranged on the first machine base, and the injection ends of the first shooting platform and the second shooting platform both pass through the mold and are exposed in the injection molding space; A first injection module is detachably mounted on the upper end of the mold, and the first injection module includes a base detachably mounted on the upper end of the mold, a slide seat movably mounted on the base, and an injection unit movably mounted on the slide seat, wherein the injection end of the injection unit is vertically oriented toward the injection space; A second injection module is arranged outside the front side of the first machine base, the second injection module comprises a machine platform and a third injection platform installed above the machine platform so as to be movable left and right, and the injection end of the third injection platform faces the injection space; The bottom of the first shooting platform and the second shooting platform are both provided with a first driving mechanism for driving the shooting platform 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, a drive end of the second drive mechanism is connected to the slide and drives the slide to move left and right, a guide column is installed on the upper end of the slide, a moving seat that can move up and down is installed on the guide column, a third drive mechanism is installed on the moving seat, a drive end of the third drive mechanism is connected to the moving seat and drives the moving seat to move up and down, the upper end of the shooting unit is connected to the moving seat, and the lower end of the shooting unit passes through the slide and extends out of the lower end of the slide; A clamping unit is arranged on the second machine base, and the clamping unit includes a frame, a turntable, a movable template, a fixed frame, an elbow mechanism and a fifth driving mechanism; the frame includes a base body and four second guide pillars arranged on the base body, the four second guide pillars are respectively arranged at the corners of the base body, and the four guide pillars are surrounded to form an elbow space; the movable template can be passed through the four guide pillars for reciprocating movement left and right, the left ends of the four second guide pillars are connected to the mold, and the fixed frame is passed through the four guide pillars and is located between the movable template and the base body; the elbow mechanism is arranged in the elbow space, one end of the elbow mechanism is axially connected to the base body, and the other end of the elbow mechanism is axially connected to the movable template, the turntable is arranged on the left side of the movable template, the injection space is formed between the mold and the turntable, and the fifth driving mechanism is arranged on the right end of the base body; the driving end of the fifth driving mechanism is connected to the fixed frame and drives the fixed frame to reciprocate left and right, thereby driving the elbow mechanism to open or close.

2. The injection molding machine with a modular injection mechanism according to claim 1, characterized in that: The first guiding mechanism includes a first sliding block and a first sliding rail which are slidably matched with each other.

3. The injection molding machine with a modular injection mechanism according to claim 1, characterized in that: The driving end of the second driving mechanism is connected with a linkage rod, and one end of the linkage rod is connected to one side of the slide seat 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 at the upper end of the slide seat, there are two guide columns, which are respectively arranged at two diagonal positions of the support plate, two opposite sides of the movable seat are respectively connected to the two guide columns, and the lower end of the shooting unit passes through the support plate and the slide seat 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 arranged at the other two diagonals of the support plate. The driving ends of the two third drive mechanisms are connected to the first lead screw, the lower end of the first lead screw is connected to the rotating shaft on the support plate through a coupling, and the first lead screw is connected to the moving 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 mounting seat movable leftward and rightward is arranged above the platform, a second guide mechanism is arranged between the mounting seat and the platform, the second guide mechanism comprises a second slider and a second slide rail slidably adapted to each other, an adjustment handle is arranged above the platform, a second lead screw extending in the leftward and rightward directions is arranged below the mounting seat, the second lead screw is connected to the adjustment handle, the second lead screw is connected to the bottom of the mounting seat through a second lead screw nut, a fourth drive mechanism and a first guide column extending in the frontward and rearward directions are arranged above the mounting seat, the third shooting platform is connected to the first guide column through a connecting seat, and a driving 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 movable 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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