CN115847721A - Double-head injection molding machine for injection molding - Google Patents

Abstract

The invention discloses a double-head injection molding machine for injection molding, which relates to the technical field of injection molding. It includes a lifting plate arranged between a bearing bottom plate and a bearing top plate, and a screw shaft. The upper surface of the bearing base plate is provided with a moving plate, the middle part of the lower surface of the moving plate is fixedly installed with a moving column, one end of the moving column is provided with a threaded hole, and the middle part of the lower surface of the lifting plate is fixedly connected There is a partition plate, the two sides of the partition plate are respectively provided with a first upper mold block and a second upper mold block, and the upper side of the bearing bottom plate is provided with a lower mold block; the present invention realizes the function of two-color injection molding, With automatic switching function, it reduces the injection molding time, improves the working efficiency of the double-head injection molding machine, and can disassemble and replace the mold, so that it is suitable for injection molding a variety of different molds.

Description

A double-head injection molding machine for injection molding

technical field

The invention relates to the technical field of injection molding, in particular to an injection molding machine.

Background technique

Double-head injection molding machine, also known as two-color injection molding machine, refers to injecting two different materials into the mold, so that the injection molded parts are formed from two materials. Double-head injection molding machines have been widely used in plastic fields such as electronic products, electric tools, medical products, home appliances and toys, and the production and molding of two-color molds have also developed rapidly.

The existing double-head injection molding machines for injection molding still have certain defects in use. For example, it usually takes a long time to inject two materials, and the materials cannot be switched at will, thereby reducing the number of double-head injection molding machines. Injection molding machine working efficiency, for this reason, we propose a double-head injection molding machine for injection molding.

Contents of the invention

The object of the present invention is to provide a double-head injection molding machine for injection molding, to solve the problem in the above-mentioned background technology that usually it takes a long time to inject two materials, and the materials cannot be switched arbitrarily, thereby reducing the Solved the problem of the working efficiency of the double-head injection molding machine.

In order to achieve the above object, the present invention adopts the following technical solutions:

A double-head injection molding machine for injection molding, including a lifting plate arranged between a load-bearing bottom plate and a load-bearing top plate, and a screw shaft, a limit chute is provided in the middle of the upper surface of the load-bearing bottom plate, and the upper surface of the load-bearing bottom plate A moving plate is provided, the middle part of the lower surface of the moving plate is fixedly installed with a moving column, one end of the moving column is provided with a threaded hole, the middle part of the lower surface of the lifting plate is fixedly connected with a partition plate, and the partition A first upper mold block and a second upper mold block are respectively arranged on both sides of the plate, and a lower mold block is arranged on the upper side of the bearing bottom plate.

As a further solution of the present invention: a rotating motor is fixedly installed in the middle of one side of the bearing base plate, and the screw shaft is installed on the output end of the rotating motor, the moving column is threadedly connected with the screw shaft through a threaded hole, and the moving column Located inside the limit chute, the moving plate is slidably installed on the upper surface of the bearing base plate through the moving column and the limit chute.

As a further solution of the present invention: a hydraulic cylinder is fixedly installed in the middle of the upper surface of the bearing top plate, a telescopic rod is installed at the output end of the hydraulic cylinder, and a connecting plate is fixedly connected to the lower end of the telescopic rod, and the connecting plate The upper surface is provided with a third bolt, and the upper surface of the lifting plate is provided with a screw hole near the middle, and the upper surface of the lifting plate is respectively installed with a first injection head and a second injection head near the two sides. The upper ends of the first injection molding head and the second injection molding head are fixedly connected with feeding pipes, and the upper ends of the two groups of feeding pipes are respectively fixedly connected with the first material storage barrel and the second material storage barrel, and the upper surface of the lifting plate Positions close to the corners are provided with limited sliding holes.

As a further solution of the present invention: the connection plate is movably installed under the load-bearing top plate through the telescopic rod, and the connection plate is fixed on the upper surface of the lifting plate through the third bolt and the screw hole. The holes are slidably connected with four sets of limit slide bars, and the first injection molding head and the second injection molding head, as well as the first storage tank and the second storage tank are symmetrically arranged with respect to the telescopic rods.

As a further solution of the present invention: the upper surface of the load-bearing bottom plate is fixedly connected to the limit slide bars near the corners, and the outer surfaces of the four sets of limit slide bars are respectively threaded with first nuts and second nuts near the tops. , the upper surface of the lifting plate is provided with openings close to both sides, the first outer clamping plate is provided on one side of the moving plate, and the inner surface of the first outer clamping plate is fixedly connected with first clamping plates close to both sides. The slide bar is installed, two groups of first installation grooves are opened on the side of the moving plate close to the first outer clamping plate, the middle part of the outer surface of the first outer clamping plate is provided with a first bolt, and the two lifting plates of the lifting plate Both sides are provided with a second outer clamping plate, and the inner surfaces of the two groups of second outer clamping plates are fixedly connected with second installation slide bars near both sides, and the two sides of the lifting plate are penetrated with a second sliding rod close to both sides. Two installation grooves, the middle parts of the outer surfaces of the two sets of second outer clamping plates are provided with second bolts, and the middle parts of both sides of the lifting plate are provided with threaded grooves.

As a further solution of the present invention: the first installation slide bars of the two groups are engaged with the lower mold block, and the lower mold block is slidably installed on the moving plate through two sets of first installation slide bars and two sets of first installation grooves. surface.

As a further solution of the present invention: the first upper mold block and the second upper mold block are engaged with two sets of second installation slide bars respectively, and the first upper mold block and the second upper mold block are passed through two sets of second installation slide bars respectively. The second installation slide bar is slidably installed on the lower side of the lifting plate in cooperation with two sets of second installation grooves.

As a further solution of the present invention: the first bolts pass through the first outer clamping plate and are screwed to the moving plate, and two groups of second bolts pass through the second outer clamping plate to thread the lifting plate respectively.

Compared with the prior art, the beneficial effects of the present invention are:

1. By starting the rotating motor on one side of the load-bearing base plate, the screw shaft is driven to rotate, so that the moving column is driven to move along the limit chute under the cooperation of the threaded hole, and then the lower mold blocks are respectively moved to the first upper mold block and the second upper mold block, and then start the hydraulic cylinder carrying the upper surface of the top plate to drive the telescopic rod to extend, thereby driving the connecting plate and lifting The plates move down together, so that the lower mold block is mold-locked with the first upper mold block and the second upper mold block respectively, and at the same time, the first storage barrel and the second injection head are matched with the feed pipe The materials in the second storage barrel are introduced into the lower mold block respectively, realizing the function of two-color injection molding, with automatic switching function, reducing the injection molding time and improving the working efficiency of the double-head injection molding machine.

2. Use the first bolt to separate the first outer clamping plate from the moving plate, and then use the two sets of first installation slide bars to cooperate with the two sets of first installation grooves to take out the lower mold block from the upper side of the moving plate, and then pass the second The bolts cooperate with the threaded grooves to separate the two sets of second outer clamping plates from the two sides of the lifting plate, and through the two sets of second installation slide bars and two sets of second installation grooves, the first upper mold block and the second upper mold block Respectively move out from the lower side of the lifting plate, the mold can be disassembled and replaced, so as to be suitable for injection molding a variety of different molds.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention.

Figure 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the connection structure of the lifting plate in the present invention.

Fig. 3 is a schematic diagram of the connection structure between the load-bearing top plate and the limit slide bar in the present invention.

Fig. 4 is a schematic diagram of the connection structure between the first upper mold block and the second upper mold block in the present invention.

Fig. 5 is a schematic diagram of the connection structure of the lower mold block in the present invention.

Fig. 6 is a schematic side view of the present invention.

In the figure: 1. Loading bottom plate; 2. Limit slide bar; 3. Loading top plate; 4. Lifting plate; 5. Partition plate; 6. First upper mold block; 7. Second upper mold block; 8. Lower Mold block; 9. Hydraulic cylinder; 10. Telescopic rod; 11. Connecting plate; 12. First storage barrel; 13. Second storage barrel; 14. Feed pipe; 15. First injection head; 16. Second Two injection heads; 17, rotating motor; 18, screw shaft; 19, limit chute; 20, moving plate; 21, moving column; 22, threaded hole; 23, the first outer clamping plate; 24, the first installation Slide bar; 25, the first installation groove; 26, the first bolt; 27, the second outer clamping plate; 28, the second installation slide bar; 29, the second installation groove; 30, the second bolt; 31, thread groove; 32, the third bolt; 33, the screw hole; 34, the first nut; 35, the second nut; 36, the port; 37, the limit slide hole.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

Example 1:

This embodiment is shown in Figures 1-3 and 5. The present invention provides a technical solution: a double-head injection molding machine for injection molding, including a lifting plate 4 arranged between the load-bearing bottom plate 1 and the load-bearing top plate 3, and wires Rod shaft 18, a limit chute 19 is provided in the middle of the upper surface of the bearing base plate 1, a moving plate 20 is arranged on the upper surface of the bearing base plate 1, and a moving column 21 is fixedly installed in the middle of the lower surface of the moving plate 20, and one end of the moving column 21 runs through A threaded hole 22 is provided, and the middle part of the lower surface of the lifting plate 4 is fixedly connected with a partition plate 5. The two sides of the partition plate 5 are respectively provided with a first upper mold block 6 and a second upper mold block 7. A lower mold block 8 is arranged on one side, and a rotating motor 17 is fixedly installed in the middle of one side of the bearing base plate 1, and the screw shaft 18 is installed on the output end of the rotating motor 17, and the moving column 21 is threadedly connected with the screw shaft 18 through a threaded hole 22 , and the moving column 21 is located inside the limiting chute 19, the moving plate 20 is slidably installed on the upper surface of the bearing bottom plate 1 through the moving column 21 and the limiting chute 19, and the middle part of the upper surface of the bearing top plate 3 is fixedly installed with a hydraulic cylinder 9 The output end of the hydraulic cylinder 9 is equipped with a telescopic rod 10, the lower end of the telescopic rod 10 is fixedly connected with a connecting plate 11, the upper surface of the connecting plate 11 is provided with a third bolt 32, and the upper surface of the lifting plate 4 is penetrated near the middle. Screw holes 33, the upper surface of the lifting plate 4 are respectively equipped with a first injection molding head 15 and a second injection molding head 16 near both sides, and the upper ends of the first injection molding head 15 and the second injection molding head 16 are fixedly connected with a feed pipe 14, The upper ends of the two groups of feed pipes 14 are respectively fixedly connected with the first material storage tank 12 and the second material storage tank 13, and the upper surface of the lifting plate 4 near the corner positions are all penetrated with limited slide holes 37, and the connection plate 11 is stretched through the telescopic The rod 10 is movably installed under the load-bearing top plate 3, and the connection plate 11 is fastened and installed on the upper surface of the lifting plate 4 through the third bolt 32 and the screw hole 33. The sliding rod 2 is slidingly connected, and the first injection molding head 15 and the second injection molding head 16, as well as the first storage tank 12 and the second storage tank 13 are symmetrically arranged with respect to the telescopic rod 10;

Specifically, by starting the rotating motor 17 on one side of the bearing base plate 1, the screw shaft 18 is driven to rotate, thereby driving the moving column 21 to move along the limit chute 19 with the cooperation of the threaded hole 22, and then driving the lower mold block 8 respectively move to directly below the first upper mold block 6 and the second upper mold block 7, and then start the hydraulic cylinder 9 carrying the upper surface of the top plate 3 to drive the telescopic rod 10 to extend, so that the four sets of limit slide rods 2 and The cooperation of the four sets of limiting slide holes 37 drives the connecting plate 11 and the lifting plate 4 to move downward together, so that the lower mold block 8 is mold-locked with the first upper mold block 6 and the second upper mold block 7 respectively. The first injection head 15 and the second injection head 16 cooperate with the feed pipe 14 to introduce the materials in the first storage tank 12 and the second storage tank 13 into the lower mold block 8 respectively, realizing the function of two-color injection molding and having The automatic switching function reduces the injection time and improves the working efficiency of the double-head injection molding machine.

Example 2:

This embodiment is shown in Figures 1, 4 and 5. The present invention provides a technical solution: a double-head injection molding machine for injection molding. A first nut 34 and a second nut 35 are threadedly connected to the outer surface of the group limit slide bar 2 near the top, the upper surface of the lifting plate 4 is provided with a port 36 near both sides, and one side of the moving plate 20 is provided with a The first outer clamping plate 23, the inner surface of the first outer clamping plate 23 is fixedly connected with the first installation slide bar 24 near both sides, and the side of the moving plate 20 close to the first outer clamping plate 23 is provided with two groups of first installations. Groove 25, the outer surface middle part of the first outer clamping plate 23 is provided with the first bolt 26, the both sides of lifting plate 4 are all provided with the second outer clamping plate 27, the inner surface of two groups of second outer clamping plates 27 is close to two Both sides are fixedly connected with a second installation slide bar 28, the two sides of the lifting plate 4 are provided with a second installation groove 29 near both sides, and the middle parts of the outer sides of the two sets of second outer clamping plates 27 are provided with second bolts. 30. Thread grooves 31 are provided in the middle of both sides of the lifting plate 4, and the two sets of first installation slide bars 24 are engaged with the lower mold block 8, and the lower mold block 8 cooperates with the two sets of first installation slide bars 24. The first installation groove 25 is slidably installed on the upper surface of the moving plate 20, the first upper mold block 6 and the second upper mold block 7 are engaged with two sets of second installation slide bars 28 respectively, and the first upper mold block 6 and the second upper mold block 7 are engaged with each other respectively. The second upper mold block 7 is slidably installed on the lower side of the lifting plate 4 through two sets of second mounting slide bars 28 and two sets of second mounting grooves 29, and the first bolt 26 passes through the first outer clamping plate 23 and the moving plate 20. Threaded connection, two groups of second bolts 30 pass through the second outer clamping plate 27 and cooperate with the threaded groove 31 to thread the lifting plate 4;

Specifically, the first outer clamping plate 23 is separated from the moving plate 20 through the first bolt 26, and then the lower mold block 8 is separated from the moving plate 20 by two sets of first installation slide bars 24 and two sets of first installation grooves 25. The upper side is taken out, and then the second bolts 30 are used to cooperate with the threaded grooves 31 so that two groups of second outer clamping plates 27 are separated from the two sides of the lifting plate 4 respectively, and two groups of second installation slide bars 28 are used to cooperate with two groups of second installations. The groove 29 makes the first upper mold block 6 and the second upper mold block 7 move out from the lower side of the lifting plate 4 respectively, so that the molds can be disassembled and replaced, so as to be suitable for injection molding a variety of different molds.

The working principle and use process of the present invention: firstly, the staff members clamp the load-bearing top plate 3 on the four sets of limit slide rods 2 through four sets of first nuts 34 and four sets of second nuts 35, and then use the third bolts 32 to cooperate with the bolts. The hole 33 fastens and connects the connecting disc 11 to the upper surface of the lifting plate 4. When the injection molding machine is in use, the rotating motor 17 on one side of the bearing base plate 1 is started to drive the screw shaft 18 to rotate, so that the threaded hole 22 is matched The lower drives the moving column 21 to move along the limit chute 19, and then drives the lower mold block 8 to move to directly below the first upper mold block 6 and the second upper mold block 7, and then starts the hydraulic pressure on the upper surface of the top plate 3. The cylinder 9 drives the telescopic rod 10 to extend, thereby driving the connecting plate 11 and the lifting plate 4 to move downward together under the cooperation of the four sets of limit slide rods 2 and the four sets of limit slide holes 37, so that the lower mold blocks 8 are respectively Lock the mold with the first upper mold block 6 and the second upper mold block 7, and simultaneously connect the first storage tank 12 and the second storage tank 13 through the first injection molding head 15 and the second injection molding head 16 to cooperate with the feed pipe 14 The materials inside are imported into the lower mold block 8 respectively, realizing the function of two-color injection molding, with automatic switching function, reducing the injection molding time and improving the working efficiency of the double-head injection molding machine; The clamping plate 23 is separated from the moving plate 20, and then the lower mold block 8 is taken out from the upper side of the moving plate 20 through two sets of first installation slide bars 24 and two sets of first installation grooves 25, and then the second bolt 30 is matched with the screw thread Groove 31 makes two groups of second outer clamping plates 27 separate from the both sides of lifting plate 4 respectively, and cooperates two groups of second mounting grooves 29 through two groups of second installation slide bars 28 to make the first upper mold block 6 and the second The upper mold blocks 7 are respectively removed from the lower side of the lifting plate 4, and the molds can be disassembled and replaced, so as to be suitable for injection molding a variety of different molds to complete the operation.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (8)

1. A double-head injection molding machine for injection molding, comprising a lifting plate (4) arranged between the load-bearing bottom plate (1) and the load-bearing top plate (3), characterized in that: it also includes a screw shaft (18), the load-bearing The middle part of the upper surface of the base plate (1) is provided with a limit chute (19), the upper surface of the bearing base plate (1) is provided with a moving plate (20), and the middle part of the lower surface of the moving plate (20) is fixedly installed with a moving plate. A column (21), one end of the moving column (21) is provided with a threaded hole (22), and the middle part of the lower surface of the lifting plate (4) is fixedly connected with a partition plate (5), and the partition plate ( 5) are respectively provided with a first upper mold block (6) and a second upper mold block (7), and the upper side of the bearing bottom plate (1) is provided with a lower mold block (8). 2. A double-head injection molding machine for injection molding according to claim 1, characterized in that: a rotating motor (17) is fixedly installed in the middle of one side of the bearing base plate (1), and the screw shaft (18) is installed At the output end of the rotating motor (17), the moving column (21) is threadedly connected with the screw shaft (18) through a threaded hole (22), and the moving column (21) is located inside the limiting chute (19), The moving plate (20) is slidably installed on the upper surface of the bearing bottom plate (1) through the moving column (21) and the limit chute (19). 3. A double-head injection molding machine for injection molding according to claim 2, characterized in that: a hydraulic cylinder (9) is fixedly installed in the middle of the upper surface of the bearing top plate (3), and the hydraulic cylinder (9) The output end is equipped with a telescopic rod (10), the lower end of the telescopic rod (10) is fixedly connected with a connection plate (11), and the upper surface of the connection plate (11) is provided with a third bolt (32). The upper surface of the lifting plate (4) is provided with a screw hole (33) near the middle, and the upper surface of the lifting plate (4) is respectively equipped with a first injection head (15) and a second injection head (16) near the two sides. , the upper ends of the first injection molding head (15) and the second injection molding head (16) are fixedly connected with feeding pipes (14), and the upper ends of the two groups of feeding pipes (14) are respectively fixedly connected with first storage tanks. The material barrel (12) and the second material storage barrel (13), the upper surface of the lifting plate (4) close to the corner position are all run through the limit slide hole (37). 4. A double-head injection molding machine for injection molding according to claim 3, characterized in that: the connection plate (11) is movably installed under the load-bearing top plate (3) through a telescopic rod (10), and the connection plate ( 11) Fix and install on the upper surface of the lifting plate (4) through the third bolt (32) and the screw hole (33), and the lifting plate (4) passes through four sets of limit slide holes (37) and four sets of limit slide bars (2) Sliding connection, the first injection molding head (15) and the second injection molding head (16) and the first storage tank (12) and the second storage tank (13) are symmetrically arranged about the telescopic rod (10) . 5. A double-head injection molding machine for injection molding according to claim 1, characterized in that: the upper surface of the load-bearing bottom plate (1) is fixedly connected to the limit slide bars (2) near the corners, and the four sets of A first nut (34) and a second nut (35) are threadedly connected to the outer surface of the limit slide bar (2) near the top, and the upper surface of the lifting plate (4) is provided with openings near both sides. (36), one side of the moving plate (20) is provided with a first outer clamping plate (23), and the inner surface of the first outer clamping plate (23) is fixedly connected with a first installation slide bar (24) near both sides. ), the side of the moving plate (20) close to the first outer clamping plate (23) is provided with two sets of first installation grooves (25), and the middle part of the outer surface of the first outer clamping plate (23) is provided with First bolts (26), second outer clamping plates (27) are provided on both sides of the lifting plate (4), and the inner surfaces of the second outer clamping plates (27) of the two groups are fixedly connected close to both sides There is a second installation slide bar (28), the two side surfaces of the lifting plate (4) are provided with second installation grooves (29) close to both sides, and the outer surfaces of the two groups of second outer clamping plates (27) Second bolts (30) are arranged through the middle part, and thread grooves (31) are opened in the middle part of both sides of the lifting plate (4). 6. A double-head injection molding machine for injection molding according to claim 5, characterized in that: the first installation slide bars (24) of the two groups are all engaged with the lower mold block (8), and the lower mold block ( 8) It is slidably installed on the upper surface of the moving plate (20) through two sets of first installation slide bars (24) and two sets of first installation grooves (25). 7. A double-head injection molding machine for injection molding according to claim 1, characterized in that: the first upper mold block (6) and the second upper mold block (7) are respectively connected with two sets of second mounting slide bars (28) are clamped together, and the first upper mold block (6) and the second upper mold block (7) are slidably installed in the The lower side of the lifting plate (4). 8. A double-head injection molding machine for injection molding according to claim 5, characterized in that: the first bolt (26) passes through the first outer clamping plate (23) and is threadedly connected with the moving plate (20), and the two A group of second bolts (30) pass through the second outer clamping plate (27) to cooperate with thread grooves (31) and are threadedly connected with the lifting plate (4).

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