Easy-to-adjust dynamic mold drive equipment

Abstract

The present application relates to a movable mold driving device that is easy to adjust, including a frame, a guide rod and a movable mold assembly that is slidably connected to the guide rod, the movable mold assembly includes an adjustment plate, a crank mechanism and a movable mold plate, the crank mechanism drives the movable mold plate away from or close to the adjustment plate; it also includes an adjustment mechanism, the adjustment mechanism includes a threaded sleeve, a threaded column and a driving assembly that drives the threaded sleeve to rotate, a vertical plate is fixed on the frame, the threaded sleeve is rotatably connected to the vertical plate, the threaded column is threadedly connected in the threaded sleeve, the end of the threaded column fixes the adjustment plate away from the movable mold plate, and the driving assembly drives the threaded sleeve to rotate. The present application solution does not require manual adjustment of the position of the adjustment plate, so that the position of the adjustment plate is easy to adjust, thereby making it easy to adjust the distance between the movable mold plate and the fixed mold plate.

Description

Technical Field

[0001] The present application relates to the field of injection molding machines, and in particular to a movable mold driving device that is easy to adjust. Background Art

[0002] The injection molding machine is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. It is divided into vertical, horizontal, and all-electric types. The injection molding machine can heat the plastic and apply high pressure to the molten plastic to make it eject and fill the mold cavity. The injection molding machine includes a frame, an injection molding mechanism, a movable mold, a fixed mold, and a drive assembly that drives the movable mold to slide. The movable mold plate is used to fix the movable mold, and the fixed mold plate is used to fix the fixed mold. After the mold is replaced, the spacing between the movable mold and the fixed mold changes, and the position of the movable mold or the fixed mold needs to be adjusted manually, and the position needs to be corrected multiple times, which makes the adjustment more inconvenient. Utility Model Content

[0003] In order to facilitate the adjustment of the distance between the movable mold and the fixed mold, the present application provides a movable mold driving device that is easy to adjust.

[0004] The present application provides a movable mold driving device that is easy to adjust, which adopts the following technical solution:

[0005] A movable mold driving device that is easy to adjust includes a frame, a guide rod and a movable mold assembly that is slidably connected to the guide rod, the movable mold assembly includes an adjustment plate, a crank arm mechanism and a movable mold plate, the crank arm mechanism drives the movable mold plate to move away from or close to the adjustment plate; it also includes an adjustment mechanism, the adjustment mechanism includes a threaded sleeve, a threaded column and a driving assembly that drives the threaded sleeve to rotate, a vertical plate is fixed on the frame, the threaded sleeve is rotatably connected to the vertical plate, the threaded column is threadedly connected in the threaded sleeve, the end of the threaded column fixes the adjustment plate away from the movable mold plate, and the driving assembly drives the threaded sleeve to rotate.

[0006] By adopting the above technical solution, the movable platen is driven by the crank mechanism to slide away from or close to the adjustment plate, thereby realizing mold opening and closing, and the farthest distance between the adjustment platen and the movable platen remains unchanged. If the distance between the movable platen and the fixed platen needs to be adjusted, it is only necessary to adjust the distance between the adjustment platen and the vertical platen. When adjusting the distance between the movable platen and the fixed platen, the threaded sleeve is rotated to make the threaded rod away from or close to the vertical platen, thereby making the adjustment plate away from or close to the vertical platen, without the need to manually adjust the position of the adjustment plate, making the position of the adjustment plate easy to adjust, thereby making the distance between the movable platen and the fixed platen easy to adjust.

[0007] Optionally, a bearing is installed on the side of the vertical plate facing the adjustment plate, the outer layer of the bearing is fixed to the vertical plate, and the outer wall of the threaded sleeve is fixed to the inner wall of the bearing.

[0008] By adopting the above technical solution, the bearing enables the threaded sleeve to rotate smoothly and facilitates the connection between the threaded sleeve and the vertical plate.

[0009] Optionally, the driving assembly includes a stepper motor, a first transmission wheel, a second transmission wheel and a synchronous belt, the first transmission wheel is rotatably connected to the vertical plate, the second transmission wheel is coaxially fixed to the outer wall of the threaded sleeve, the synchronous belt is tensioned to connect the first transmission wheel and the second transmission wheel, and the stepper motor drives the first transmission wheel to rotate.

[0010] By adopting the above technical solution, the stepper motor drives the first transmission wheel to rotate, and drives the second transmission wheel and the threaded sleeve to rotate through the synchronous belt, thereby driving the threaded column to slide, making it easy to adjust the position of the adjustment plate.

[0011] Optionally, a positioning slide rod is fixed on the movable template, and a positioning slide hole for the positioning slide rod to slide is provided on the adjustment plate.

[0012] By adopting the above technical solution, the positioning slide rod further improves the sliding stability of the moving template.

[0013] Optionally, the crank mechanism includes a pushing block and two crank structures arranged on opposite sides of the pushing block, the crank structure includes a connecting rod, an L-shaped rod, a transmission rod, a first positioning block and a second positioning block, the pushing block is fixed to the positioning slide rod, one end of the connecting rod is hinged to the pushing block, and the other end is hinged to the L-shaped rod, the L-shaped rod includes a first rod and a second rod that are integrally formed with their ends at right angles, the end of the first rod away from the second rod is hinged to the connecting rod, the end of the second rod away from the first rod is hinged to the first positioning block, the first rod and the second rod are hinged to the transmission rod at the connection, the end of the transmission rod is hinged to the second positioning block, the first positioning block fixes the adjustment plate, and the second positioning block fixes the moving template.

[0014] By adopting the above technical solution, when it is necessary to drive the movable template to slide, the driving block is driven to slide, thereby making the movable template slide. At this time, the curved arm structure is bent and straightened. When straightening, the movable template slides to a position close to the fixed template. When bending, the movable template slides to a position away from the fixed template.

[0015] Optionally, a pushing rod is fixed on the pushing block, and the pushing rod passes through the adjusting plate, the threaded column and the vertical plate in sequence.

[0016] By adopting the above technical solution, the push block is driven to slide by the push rod, and the push rod penetrates the threaded column, so that the sliding of the threaded column on the threaded sleeve is more stable.

[0017] Optionally, the adjustment plate is provided with a first positioning groove for fixing the first positioning block.

[0018] By adopting the above technical solution, the installation position of the first positioning block does not need to be calibrated, thereby improving the installation efficiency of the second positioning block.

[0019] Optionally, a second positioning groove for fixing a second positioning block is provided on the movable template.

[0020] By adopting the above technical solution, the installation efficiency of the second positioning block is improved.

[0021] In summary, the present application includes at least one of the following beneficial technical effects:

[0022] 1. The present application solution does not require manual adjustment of the position of the adjustment plate, making it easy to adjust the position of the adjustment plate, thereby making it easy to adjust the distance between the movable template and the fixed template;

[0023] 2. The bearing facilitates the connection between the threaded sleeve and the vertical plate, and makes the threaded sleeve rotate smoothly;

[0024] 3. The stepper motor, the first transmission wheel, the second transmission wheel and the synchronous belt conveniently drive the threaded sleeve to rotate, thereby facilitating the adjustment of the position of the adjustment plate;

[0025] 4. The positioning slide bar further improves the sliding stability of the moving template. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is an overall schematic diagram of the movable mold driving device that is easy to adjust according to an embodiment of the present application.

[0027] Figure 2 1 is an overall schematic diagram of the movable mold assembly of the embodiment.

[0028] Figure 3 Schematic diagram of the crank mechanism of the embodiment.

[0029] Figure 4 Schematic diagram of the structure of the adjustment mechanism of the embodiment.

[0030] Explanation of the accompanying drawings: 1. frame; 2. guide rod; 3. movable mold assembly; 31. adjustment plate; 311. first positioning groove; 32. crank arm mechanism; 321. push block; 322. crank arm structure; 3221. connecting rod; 3222. L-shaped rod; 32221. first rod; 32222. second rod; 3223. transmission rod; 3224. first positioning block; 3225. second positioning block; 33. movable mold plate; 331. second positioning groove; 34. positioning slide rod; 341. positioning slide hole; 4. vertical plate; 5. fixed mold plate; 6. adjustment mechanism; 61. threaded sleeve; 62. threaded column; 63. drive assembly; 631. stepping motor; 632. first transmission wheel; 633. second transmission wheel; 634. synchronous belt; 64. bearing; 7. mounting seat; 8. push rod. DETAILED DESCRIPTION

[0031] The present application is further described in detail below with reference to the accompanying drawings and embodiments.

[0032] The present application embodiment discloses a movable mold driving device that is easy to adjust. Figure 1 The movable mold driving device convenient for adjustment comprises a frame 1, a guide rod 2 and a movable mold assembly 3 slidably connected to the guide rod 2. A vertical plate 4 is fixed on the frame 1, the end of the guide rod 2 is fixed to the vertical plate 4, the length of the guide rod 2 is in the horizontal direction, and the other end of the guide rod 2 in the length direction is fixed to the fixed mold plate 5.

[0033] Reference Figure 1 , Figure 2 The movable mold assembly 3 includes an adjustment plate 31, a crank mechanism 32 and a movable mold plate 33. The vertical plate 4, the adjustment plate 31 and the movable mold plate 33 are arranged in sequence, and the vertical plate 4, the adjustment plate 31 and the movable mold plate 33 are parallel to each other, and the adjustment plate 31 and the movable mold plate 33 are slidably connected to the guide rod 2. The crank mechanism 32 is located between the adjustment plate 31 and the movable mold plate 33, and the crank mechanism 32 drives the movable mold plate 33 to move away from or approach the adjustment plate 31.

[0034] Reference Figure 2 A positioning slide rod 34 is fixed on the movable template 33, and the length direction of the positioning slide rod 34 is parallel to the length direction of the guide rod 2. A positioning slide hole 341 for the positioning slide rod 34 to slide is opened on the adjustment plate 31.

[0035] Reference Figure 3 The crank mechanism 32 includes a push block 321 and two crank structures 322 disposed on the upper and lower sides of the push block 321. The crank structure 322 includes a connecting rod 3221, an L-shaped rod 3222, a transmission rod 3223, a first positioning block 3224 and a second positioning block 3225. The L-shaped rod 3222 and the transmission rod 3223 include a first rod 32221 and a second rod 32222 whose ends are integrally formed at right angles.

[0036] Reference Figure 1 , Figure 2 and Figure 3 The push block 321 is fixed to the positioning slide bar 34, one end of the connecting rod 3221 is hinged to the push block 321, and the other end is hinged to the L-shaped rod 3222, the end of the first rod 32221 away from the second rod 32222 is hinged to the connecting rod 3221, the end of the second rod 32222 away from the first rod 32221 is hinged to the first positioning block 3224, the connection between the first rod 32221 and the second rod 32222 is hinged to the transmission rod 3223, the end of the transmission rod 3223 is hinged to the second positioning block 3225, the first positioning block 3224 fixes the adjustment plate 31, and the second positioning block 3225 fixes the movable plate 33. The adjustment plate 31 is provided with a first positioning groove 311 for fixing the first positioning block 3224. The movable plate 33 is provided with a second positioning groove 331 for fixing the second positioning block 3225.

[0037] Reference Figure 2 , Figure 3 , the axis directions of all hinge shafts on the crank mechanism 32 are horizontal and perpendicular to the length direction of the guide rod 2. When the movable plate 33 slides away from the adjustment plate 31, the crank mechanism 32 is tightened, and when the movable plate 33 slides close to the adjustment plate 31, the crank mechanism 32 is bent.

[0038] Reference Figure 1 , Figure 4 The movable mold driving device for easy adjustment also includes an adjustment mechanism 6 for positioning the position of the adjustment plate 31. The adjustment mechanism 6 includes a threaded sleeve 61, a threaded column 62, and a driving assembly 63 for driving the threaded sleeve 61 to rotate. The threaded sleeve 61 is rotatably connected to the vertical plate 4 through a bearing 64, the outer layer of the bearing 64 is fixed to the side of the vertical plate 4 facing the adjustment plate 31, and the outer wall of the threaded sleeve 61 is fixed to the inner wall of the bearing 64. The threaded column 62 is threadedly connected to the threaded sleeve 61, and the axis of the threaded column 62 is parallel to the length direction of the guide rod 2. The end of the threaded column 62 away from the vertical plate 4 is fixed to the side of the adjustment plate 31 away from the movable mold plate 33, and the driving assembly 63 drives the threaded sleeve 61 to rotate.

[0039] Reference Figure 4 The driving assembly 63 includes a stepper motor 631, a first transmission wheel 632, a second transmission wheel 633 and a synchronous belt 634. A mounting seat 7 is fixed to a section of the vertical plate 4 in the horizontal direction. The first transmission wheel 632 is rotatably connected to the mounting seat 7. The first transmission wheel 632 is rotatably connected to the vertical plate 4 through the mounting seat 7. The second transmission wheel 633 is coaxially fixed to the outer wall of the threaded sleeve 61. The synchronous belt 634 is tensioned to connect the first transmission wheel 632 and the second transmission wheel 633. The stepper motor 631 is fixed to the mounting seat 7. The motor shaft of the stepper motor 631 is coaxially fixed to the first transmission wheel 632. The stepper motor 631 drives the first transmission wheel 632 to rotate.

[0040] Reference Figure 3 , Figure 4 A pushing rod 8 is fixed on the pushing block 321, and the pushing rod 8 passes through the adjusting plate 31, the threaded column 62 and the vertical plate 4 in sequence. The axis of the pushing rod 8 is coaxial with the axis of the threaded column 62, and the threaded column 62 is slidably connected to the pushing rod 8, so that the sliding of the threaded column 62 is stable.

[0041] The implementation principle of the movable mold driving device that is easy to adjust in the embodiment of the present application is as follows: during operation, the movable mold plate 33 is driven by the crank mechanism 32 to slide away from or close to the adjustment plate 31, thereby realizing mold opening and mold closing. After the mold is replaced, it is necessary to adjust the spacing between the movable mold plate 33 and the fixed mold plate 5. The stepper motor 631 drives the first transmission wheel 632 to rotate, and drives the second transmission wheel 633 and the threaded sleeve 61 to rotate through the synchronous belt 634, thereby driving the threaded column 62 to slide, so that the position of the adjustment plate 31 is easy to adjust. Even if the position of the adjustment plate 31 needs to be corrected multiple times, the position of the adjustment plate 31 is adjusted by using the stepper motor 631 as the driving source, which saves time and effort, and makes it easier to adjust the spacing between the movable mold plate 33 and the fixed mold plate 5.

[0042] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A movable mold driving device that is easy to adjust, comprising a frame (1), a guide rod (2) and a movable mold assembly (3) slidably connected to the guide rod (2), characterized in that: The movable mold assembly (3) comprises an adjustment plate (31), a crank arm mechanism (32) and a movable mold plate (33), wherein the crank arm mechanism (32) drives the movable mold plate (33) to move away from or closer to the adjustment plate (31); and further comprises an adjustment mechanism (6), wherein the adjustment mechanism (6) comprises a threaded sleeve (61), a threaded column (62) and a driving assembly (63) for driving the threaded sleeve (61) to rotate, wherein a vertical plate (4) is fixed on the frame (1), the threaded sleeve (61) is rotatably connected to the vertical plate (4), the threaded column (62) is threadedly connected in the threaded sleeve (61), the end of the threaded column (62) is fixed to the side of the adjustment plate (31) away from the movable mold plate (33), and the driving assembly (63) drives the threaded sleeve (61) to rotate.

2. The movable mold driving device that is easy to adjust according to claim 1 is characterized in that: A bearing (64) is installed on the side of the vertical plate (4) facing the adjustment plate (31); the outer layer of the bearing (64) is fixed to the vertical plate (4); and the outer wall of the threaded sleeve (61) is fixed to the inner wall of the bearing (64).

3. The movable mold driving device that is easy to adjust according to claim 1 is characterized in that: The driving assembly (63) comprises a stepper motor (631), a first transmission wheel (632), a second transmission wheel (633) and a synchronous belt (634); the first transmission wheel (632) is rotatably connected to the vertical plate (4); the second transmission wheel (633) is coaxially fixed to the outer wall of the threaded sleeve (61); the synchronous belt (634) is tensioned to connect the first transmission wheel (632) and the second transmission wheel (633); and the stepper motor (631) drives the first transmission wheel (632) to rotate.

4. The movable mold driving device that is easy to adjust according to claim 1 is characterized in that: A positioning slide bar (34) is fixed on the movable plate (33), and a positioning slide hole (341) for the positioning slide bar (34) to slide is provided on the adjustment plate (31).

5. The movable mold driving device that is easy to adjust according to claim 4 is characterized in that: The crank mechanism (32) comprises a pushing block (321) and two crank structures (322) arranged on opposite sides of the pushing block (321); the crank structure (322) comprises a connecting rod (3221), an L-shaped rod (3222), a transmission rod (3223), a first positioning block (3224) and a second positioning block (3225); the pushing block (321) is fixed to the positioning slide rod (34); one end of the connecting rod (3221) is hinged to the pushing block (321) and the other end is hinged to the L-shaped rod (3222); the L-shaped rod (3222) comprises a first rod (3221) whose ends are integrally formed at right angles; 21) and a second rod (32222), the end of the first rod (32221) away from the second rod (32222) is hinged to the connecting rod (3221), the end of the second rod (32222) away from the first rod (32221) is hinged to the first positioning block (3224), the connection between the first rod (32221) and the second rod (32222) is hinged to the transmission rod (3223), the end of the transmission rod (3223) is hinged to the second positioning block (3225), the first positioning block (3224) fixes the adjustment plate (31), and the second positioning block (3225) fixes the movable template (33).

6. The movable mold driving device that is easy to adjust according to claim 5 is characterized in that: A pushing rod (8) is fixed on the pushing block (321), and the pushing rod (8) passes through the adjusting plate (31), the threaded column (62) and the vertical plate (4) in sequence.

7. The adjustable movable mold driving device according to claim 5, characterized in that: The adjustment plate (31) is provided with a first positioning groove (311) for fixing the first positioning block (3224).

8. The adjustable movable mold driving device according to claim 5, characterized in that: The movable plate (33) is provided with a second positioning groove (331) for fixing the second positioning block (3225).

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