One-mold dual-purpose two-plate type injection molding machine device

By using a double-headed hydraulic rod and a cone block in a two-platen injection molding machine, the moving platen and the fixed platen are locked together, solving the problem of mold closing stability and improving the stability of the injection molding process.

CN223493796UActive Publication Date: 2025-10-31NINGBO ALFA MASCH MFG CO LTD
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Patent Information

Application Number
CN202422785153.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-10-31
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

The existing two-platen injection molding machine lacks a clamping and locking device on the moving platen, which reduces the stability of mold closing and affects the stability of the injection molding process.

Method used

A double-headed hydraulic rod is used to drive a cone block to press against the ball head of the positioning rod, pushing the positioning rod to slide in the perforated plate and insert into the positioning hole of the guide rod. With the deformation of the spring, the moving template and the fixed template are locked together.

Benefits of technology

It improves the mold closing stability of the moving and fixed mold plates, ensuring that the stability of the mold plates is not affected by pressure during the injection molding process, thus guaranteeing the injection molding quality.

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Abstract

The utility model relates to a one-mold dual-purpose two-plate type injection molding machine device, and relates to the field of two-plate type injection molding machines. The mold comprises a fixed mold plate and a movable mold plate, sliding frames are horizontally fixed to the two sides of the bottom face of the fixed mold plate, a plurality of guide rods are horizontally arranged on the vertical end face of one side of the fixed mold plate, two sliding groove blocks are symmetrically fixed to the two sides of the bottom face of the movable mold plate, and the two sliding groove blocks are horizontally assembled on the sliding frames in a sliding mode; a plurality of through holes are horizontally formed in the movable mold plate in a penetrating mode, the through holes are horizontally assembled on the guide rods in a one-to-one penetrating and sliding mode, and a plurality of hole plates are symmetrically and vertically fixed to the vertical end face of the side, away from the fixed mold plate, of the movable mold plate. The movable mold plate and the fixed mold plate are locked in mold closing, so that the positioning rod arranged on the movable mold plate is matched with the positioning rod on the pore plate, the movable mold plate and the fixed mold plate are more stable after mold closing, and the movable mold plate and the fixed mold plate are kept stable after mold closing due to the influence of pressure during later injection molding; and the mold closing stability of the movable mold plate and the fixed mold plate is ensured.
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Description

Technical Field

[0001] This application relates to the technical field of two-platen injection molding machines, and in particular to a two-platen injection molding machine device that can be used for both molds. Background Technology

[0002] Two-platen injection molding machines, also known as direct-pressure injection molding machines or two-platen injection molding machines, are a common type of injection molding equipment. This type of injection molding machine has a relatively simple structure, mainly consisting of two large plates: a fixed plate and a moving plate. During operation, the mold is installed between these two plates. One plate is fixed, while the other plate can move towards the fixed plate to close the mold when the mold is closed.

[0003] The existing announcement number CN217573807U, entitled "A Sliding Mechanism for a Two-Plate Injection Molding Machine," includes a machine body and a template assembly. The template assembly is mounted on the machine body, and a sliding component is provided on the machine body. The sliding component includes a slide rail and a slider. The slide rail is fixedly connected to the machine body. The template assembly includes a movable template, and a sliding seat is fixed to the side wall of the movable template. The sliding seat has a placement groove, and the slide rail is in the placement groove. The sliding seat slides relative to the slide rail. The slider is fixed relative to the sliding seat in the placement groove. The slider is slidably connected to the slide rail. The slider is fixed relative to the sliding seat and slidably connected to the slide rail, thus avoiding direct contact between the slide rail and the sliding seat and reducing wear between the slide rail and the sliding seat.

[0004] Regarding the aforementioned technologies, the inventors discovered that after the sliding moving template and the fixed template of the two-platen injection molding machine are closed, the moving template lacks a clamping and locking device, which reduces the stability of the moving template and the fixed template after they are closed. During subsequent injection molding, the pressure affects the stability of the moving template and the fixed template when they are closed, causing them to loosen. Utility Model Content

[0005] In order to overcome the problem that the existing movable mold plate lacks a clamping and locking device after the movable mold plate and the fixed mold plate are closed, which leads to reduced stability after the movable mold plate and the fixed mold plate are closed, and the movable mold plate and the fixed mold plate are loosened due to pressure during subsequent injection molding, thus affecting the stability of the movable mold plate and the fixed mold plate being closed, this application provides a two-plate injection molding machine device that can be used for both molds.

[0006] This application provides a two-platen injection molding machine device for dual-purpose molds, which adopts the following technical solution:

[0007] A two-platen injection molding machine device for dual-purpose molding includes a fixed template and a movable template. Sliding frames are horizontally fixed on both sides of the bottom surface of the fixed template, and multiple guide rods are horizontally arranged on the vertical end face of one side of the fixed template. Two sliding blocks are symmetrically fixed on both sides of the bottom surface of the movable template, and the two sliding blocks are horizontally slidably assembled onto the sliding frames. Multiple through holes are horizontally opened through the movable template, and each through hole is horizontally slidably assembled onto the multiple guide rods. Multiple perforated plates are symmetrically and vertically fixed on the vertical end face of the movable template away from the fixed template, and the perforated plates are horizontally slidably inserted into positioning rods. A ball head is fixed at the end of the positioning rod away from the guide rod. A double-headed hydraulic rod is vertically fixed in the middle of the vertical end face of the movable template away from the fixed template, and a conical block is vertically fixed at the end of each double-headed hydraulic rod. Multiple positioning holes are horizontally opened through the guide rods, and the positioning holes are inserted into the positioning rods. A top material is vertically arranged on the vertical end face of the movable template away from the fixed template.

[0008] By adopting the above technical solution, the moving template slides horizontally on the slide frame and guide rod during use. The moving template completes mold closing with the fixed template. Then, to ensure the tightness of the mold closing between the fixed and moving templates, the upper and lower output ends of the double-headed hydraulic rod are activated to move vertically, driving the cone block to move vertically. The vertical movement of the cone block presses against the ball end of the positioning rod, pushing the positioning rod to slide horizontally in the perforated plate, stretching the spring deformation. Then, the sliding end of the positioning rod is inserted into the positioning hole of the guide rod, thus completing the mold closing and locking of the moving template and the fixed template. Therefore, the positioning rod set on the moving template, in conjunction with the positioning rod in the perforated plate, makes the mold closing of the moving template and the fixed template more stable. During subsequent injection molding, under the influence of pressure, the mold closing of the moving template and the fixed template remains stable, ensuring the stability of the mold closing between the moving template and the fixed template.

[0009] Optionally, a hydraulic rod for opening and closing is horizontally fixed on one vertical end face of the fixed template, and a rotating rod is fixed to the output end of the hydraulic rod for opening and closing.

[0010] By adopting the above technical solution, a hydraulic rod for opening and closing is horizontally fixed on one side of the fixed template. The output end of the hydraulic rod extends to push the rotating rod, which is used to push the moving template to complete the mold closing and opening on the fixed template.

[0011] Optionally, a rotating base is fixed in the middle of the vertical end face of one side of the movable template, and the rotating base is rotatably connected to the rotating rod at the output end of the opening and closing hydraulic rod.

[0012] By adopting the above technical solution, the rotating rod at the output end of the hydraulic rod is located on the rotating seat on the side of the moving template, which pushes the moving template to complete the mold closing and opening on the fixed template.

[0013] Optionally, a spring is fitted around the outside of the push rod, and the two ends of the spring are fixed to the orifice plate and the positioning rod, respectively.

[0014] By adopting the above technical solution, the cone block moves vertically, pressing against the ball end of the positioning rod, pushing the positioning rod to slide horizontally in the orifice plate, stretching the spring to deform, and then the sliding end of the positioning rod is inserted into the positioning hole of the guide rod. Later, the double-headed hydraulic rod retracts and the cone block moves vertically, and the spring deformation force pushes the positioning rod to slide horizontally in the orifice plate. The positioning rod is pulled out of the positioning hole of the guide rod, thereby making the moving template and the fixed template close stably.

[0015] Optionally, the top material component includes an I-beam frame, which is located on the side of the movable template away from the fixed template, and multiple push rods are horizontally fixed on the I-beam frame, with the multiple push rods slidingly inserted into the movable template.

[0016] By adopting the above technical solution, multiple push rods are horizontally slidably inserted into the I-beam frame on the top material component. These push rods are slidably inserted into the moving template to push out the internal casting component.

[0017] Optionally, a return spring is horizontally sleeved on the push rod, and the two ends of the return spring are fixed to the I-beam frame and the movable template, respectively.

[0018] By adopting the above technical solution, the deformation force of the recovery spring pushes the I-beam frame to drive the push rod to pull out the moving template, and the push rod will not affect the mold closing during the later mold closing.

[0019] Optionally, a screw cylinder is horizontally fixed on the outer vertical end face of the I-beam, and a screw rod is assembled in the horizontal thread of the screw cylinder.

[0020] By adopting the above technical solution, the screw is rotated and moved threadedly in the screw barrel according to the material removal position, and the horizontal removal position of the screw is adjusted.

[0021] Optionally, a stop is vertically fixed on the outer end face of the guide rod.

[0022] By adopting the above technical solution, the moving template moves horizontally on the sliding frame in the later stage. When the screw presses against the stop frame, it pushes the push rod on the I-beam to move horizontally on the moving template. The push rod moves horizontally on the moving template and pushes the casting part to fall off the moving template for material discharge.

[0023] In summary, this application includes at least one of the following beneficial technical effects: During use, the moving template slides horizontally on the slide frame and guide rod. The moving template completes mold closing on the fixed template. Then, to ensure the tightness of the mold closing between the fixed template and the moving template, the upper and lower output ends of the double-headed hydraulic rod are activated to move vertically, driving the cone block to move vertically. The vertical movement of the cone block presses against the ball end of the positioning rod, pushing the positioning rod to slide horizontally in the perforated plate, stretching the spring deformation. Then, the sliding end of the positioning rod is inserted into the positioning hole of the guide rod, thereby completing the mold closing and locking of the moving template and the fixed template. Thus, the positioning rod set on the moving template cooperates with the positioning rod in the perforated plate, making the mold closing of the moving template and the fixed template more stable. During subsequent injection molding, under the influence of pressure, the mold closing of the moving template and the fixed template remains stable, ensuring the stability of the mold closing between the moving template and the fixed template. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application.

[0025] Figure 2 This is a schematic diagram of the overall structure of the embodiment of this application in an exploded state;

[0026] Figure 3 This is a schematic diagram of the fixed template in the exploded state according to an embodiment of this application;

[0027] Figure 4 This is a schematic diagram of the structure of the movable template in the exploded state according to an embodiment of this application;

[0028] Figure 5 This is a structural schematic diagram of the top material component in the disassembled state according to an embodiment of this application.

[0029] Explanation of reference numerals in the attached drawings: 1. Fixed template; 11. Sliding frame; 12. Guide rod; 121. Positioning hole; 13. Opening and closing hydraulic rod; 131. Rotating rod; 2. Moving template; 21. Through hole; 22. Rotary seat; 23. Double-headed hydraulic rod; 24. Conical block; 25. Positioning rod; 251. Ball head; 26. Hole plate; 27. Spring; 28. Sliding block; 29. ​​Ejector; 291. I-beam frame; 292. Push rod; 293. Return spring; 294. Screw barrel; 295. Screw; 3. Stop. Detailed Implementation

[0030] The present application will be further described in detail below with reference to the accompanying drawings.

[0031] This application discloses a two-platen injection molding machine device that can be used for both mold and injection molding. (Refer to...) Figure 1 , Figure 2 , Figure 3 and Figure 4A two-platen injection molding machine device for dual-purpose molds includes a fixed mold plate 1 and a movable mold plate 2. Slide frames 11 are horizontally fixed on both sides of the bottom surface of the fixed mold plate 1, and multiple guide rods 12 are horizontally arranged on one vertical end face of the fixed mold plate 1. Two sliding blocks 28 are symmetrically fixed on both sides of the bottom surface of the movable mold plate 2, and the two sliding blocks 28 are horizontally slidably assembled on the slide frames 11. Multiple through holes 21 are horizontally opened on the movable mold plate 2, and the multiple through holes 21 are horizontally slidably assembled on the multiple guide rods 12. The vertical end face of the movable mold plate 2 away from the fixed mold plate 1... Multiple perforated plates 26 are symmetrically and vertically fixed on the upper part, and the perforated plates 26 are horizontally slidably inserted into the positioning rod 25. The end of the positioning rod 25 away from the guide rod 12 is fixed with a ball head 251. A double-headed hydraulic rod 23 is vertically fixed in the middle of the vertical end face of the moving template 2 away from the fixed template 1, and the ends of the double-headed hydraulic rod 23 are vertically fixed with a cone block 24. Multiple positioning holes 121 are horizontally and horizontally opened on the guide rod 12, and the positioning holes 121 are inserted and assembled with the positioning rod 25. A top material component 29 is vertically set on the vertical end face of the moving template 2 away from the fixed template 1.

[0032] By adopting the above technical solution, the movable template 2 slides horizontally on the slide frame 11 and guide rod 12 during use. The movable template 2 completes the mold closing on the fixed template 1. Then, in order to ensure the tightness of the mold closing between the fixed template 1 and the movable template 2, the upper and lower output ends of the double-headed hydraulic rod 23 are activated to move vertically, driving the cone block 24 to move vertically. The vertical movement of the cone block 24 presses against the ball head 251 at the end of the positioning rod 25, pushing the positioning rod 25 to slide horizontally in the perforated plate 26, stretching the spring 27 to deform. Then, the end of the sliding positioning rod 25 is inserted into the positioning hole 121 of the guide rod 12, thereby completing the mold closing and locking of the movable template 2 and the fixed template 1. Thus, the positioning rod 25 set on the movable template 2 cooperates with the positioning rod 25 in the perforated plate 26, making the mold closing of the movable template 2 and the fixed template 1 more stable. During the subsequent injection molding, the pressure affects the stability of the mold closing between the movable template and the fixed template, ensuring the stability of the mold closing between the movable template and the fixed template.

[0033] Reference Figure 2 and Figure 3 A hydraulic rod 13 is horizontally fixed to one vertical end face of the fixed template 1, and a rotating rod 131 is fixed to the output end of the hydraulic rod 13. The hydraulic rod 13 extends to push the rotating rod 131, which in turn pushes the moving template 2 to complete the mold closing and opening on the fixed template 1. A rotating seat 22 is fixed to the middle of one vertical end face of the moving template 2, and the rotating seat 22 is rotatably connected to the rotating rod 131 at the output end of the hydraulic rod 13. The rotating rod 131 at the output end of the hydraulic rod 13, connected to the rotating seat 22 on one side of the moving template 2, pushes the moving template 2 to complete the mold closing and opening on the fixed template 1.

[0034] Reference Figure 2 , Figure 4 and Figure 5 A spring 27 is sleeved on the outside of the push rod 292, and the two ends of the spring 27 are fixed to the perforated plate 26 and the positioning rod 25, respectively. The cone block 24 moves vertically and presses against the ball end 251 of the positioning rod 25, pushing the positioning rod 25 to slide horizontally in the perforated plate 26, stretching the spring 27 to deform. Then, the sliding end of the positioning rod 25 is inserted into the positioning hole 121 of the guide rod 12. Later, the double-headed hydraulic rod 23 retracts and the cone block 24 moves vertically. The deformation force of the spring 27 pushes the positioning rod 25 to slide horizontally in the perforated plate 26. The positioning rod 25 is pulled out of the positioning hole 121 of the guide rod 12, thereby making the moving template 2 and the fixed template 1 close stably.

[0035] Reference Figure 2 , Figure 4 and Figure 5 The top support component 29 includes an I-beam frame 291, which is located on the side of the movable template 2 away from the fixed template 1. Multiple push rods 292 are horizontally fixed on the I-beam frame 291 and are slidably inserted into the movable template 2. During use, the push rods 292 are horizontally slidably inserted into the I-beam frame 291 on the top support component 29, and are used to push out the internal casting component. A return spring 293 is horizontally sleeved on each push rod 292, and both ends of the return spring 293 are fixed to the I-beam frame 291 and the movable template 2, respectively. The deformation force of the return spring 293 pushes the I-beam frame 291, causing the push rods 292 to be pulled out of the movable template 2. The push rods 292 will not affect mold closing during subsequent mold closure. A screw cylinder 294 is horizontally fixed on the outer vertical end face of the I-beam frame 291, and a screw rod 295 is assembled into the horizontal thread of the screw cylinder 294. Later, depending on the material removal position, the screw 295 is rotated and moved threadedly within the screw barrel 294 to adjust the horizontal removal position of the screw 295. Each guide rod 12 has a vertically fixed stop 3 on its outer end face. Later, the moving template 2 moves horizontally on the sliding frame 11. When the screw 295 presses against the stop 3, it pushes the push rod 292 on the I-beam 291 to move horizontally on the moving template 2. The push rod 292's horizontal movement pushes the casting component off the moving template 2 for material removal.

[0036] The implementation principle of a two-platen injection molding machine device with dual mold functionality in this application embodiment is as follows: During use, the movable template 2 slides horizontally on the slide frame 11 and guide rod 12. The movable template 2 completes mold closing on the fixed template 1. Then, in order to ensure the tightness of the mold closing between the fixed template 1 and the movable template 2, the upper and lower output ends of the double-headed hydraulic rod 23 are activated to move vertically, driving the cone block 24 to move vertically. The vertical movement of the cone block 24 presses against the ball head 251 at the end of the positioning rod 25, pushing the positioning rod 25 to slide horizontally in the perforated plate 26, stretching the spring 27 to deform. Then, the end of the sliding positioning rod 25 is inserted into the positioning hole 121 of the guide rod 12, thereby completing the mold closing and locking of the movable template 2 and the fixed template 1. Thus, the positioning rod 25 set on the movable template 2 cooperates with the positioning rod 25 in the perforated plate 26, making the movable template 2 and the fixed template 1 more stable after mold closing.

[0037] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A two-platen injection molding machine device for dual-purpose mold making, characterized in that, The system includes a fixed template (1) and a movable template (2). The fixed template (1) has horizontally fixed sliding frames (11) on both sides of its bottom surface, and multiple guide rods (12) are horizontally arranged on one vertical end face of the fixed template (1). The movable template (2) has two symmetrically fixed sliding blocks (28) on both sides of its bottom surface, and the two sliding blocks (28) are horizontally slidably assembled on the sliding frames (11). The movable template (2) has multiple horizontally penetrating through holes (21), and these through holes (21) are horizontally slidably assembled on the multiple guide rods (12). The movable template (2) has multiple symmetrically vertically fixed holes on the vertical end face away from the fixed template (1). The plate (26) and multiple perforated plates (26) are horizontally slidably inserted into the positioning rod (25). The positioning rod (25) is fixed with a ball head (251) at one end away from the guide rod (12). The movable template (2) is vertically fixed with a double-headed hydraulic rod (23) at the middle of the vertical end face away from the fixed template (1). The ends of the double-headed hydraulic rod (23) are vertically fixed with a cone block (24). Multiple positioning holes (121) are horizontally opened through the guide rod (12). The positioning holes (121) are inserted and assembled with the positioning rod (25). The movable template (2) is vertically provided with a top material component (29) at the vertical end face away from the fixed template (1).

2. The two-platen injection molding machine device for dual-purpose molds according to claim 1, characterized in that: A hydraulic rod (13) is horizontally fixed on one vertical end face of the fixed template (1), and a rotating rod (131) is fixed at the output end of the hydraulic rod (13).

3. The two-platen injection molding machine device for dual-purpose molds according to claim 2, characterized in that: A rotating seat (22) is fixed in the middle of the vertical end face of one side of the movable template (2), and the rotating seat (22) is rotatably connected to the rotating rod (131) at the output end of the opening and closing hydraulic rod (13).

4. A two-platen injection molding machine device for dual-purpose molds according to claim 3, characterized in that: The top material component (29) is fitted with a spring (27), and the two ends of the spring (27) are fixed on the perforated plate (26) and the positioning rod (25) respectively.

5. A two-platen injection molding machine device for dual-purpose molds according to claim 4, characterized in that: The top material component (29) includes an I-beam frame (291), which is located on the side of the movable template (2) away from the fixed template (1). Multiple push rods (292) are horizontally fixed on the I-beam frame (291), and the multiple push rods (292) are slidably inserted into the movable template (2).

6. A two-platen injection molding machine device for dual-purpose molds according to claim 5, characterized in that: A return spring (293) is horizontally sleeved on the push rod (292), and the two ends of the return spring (293) are fixed on the I-beam frame (291) and the movable template (2) respectively.

7. A two-platen injection molding machine device for dual-purpose molds according to claim 6, characterized in that: A screw cylinder (294) is horizontally fixed on the outer vertical end face of the I-beam (291), and a screw rod (295) is assembled in the screw cylinder (294) with horizontal threads.

8. A two-platen injection molding machine device for dual-purpose molds according to claim 7, characterized in that: Each guide rod (12) has a vertically fixed stop (3) on its outer end face.

Citation Information

Patent Citations

  • Sliding mechanism for two-plate injection molding machine

    CN217573807U