Sprue self-cutting assembly of injection molding die

Abstract

The utility model discloses a sprue self-cutting assembly of an injection molding die, which relates to the technical field of plastic dies and comprises a workbench, a first electric telescopic rod connected in the workbench, a sliding plate connected to the telescopic end of the first electric telescopic rod and a cutter arranged below the sliding plate and used for cutting waste materials. A first servo motor is started to drive a transmission gear to rotate, a driven rack connected to the transmission gear in a meshed mode drives a mounting base and a second electric telescopic rod to move relatively, and at the moment, a positioning plate workpiece arranged on the second electric telescopic rod is positioned; the first electric telescopic rod drives the cutter to vertically move downwards to cut waste generated by a sprue, when other faces of a workpiece need to be cut, the second electric telescopic rod only needs to be started to increase the height of the workpiece, and then the second servo motor is started to drive the positioning plate to rotate. And different surfaces of the workpiece can be conveniently machined.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic molds, in particular to an injection molding mold gate self-cutting component. Background Art

[0002] With the continuous development of mold technology and the increasing popularity of injection molding production automation, injection molding manufacturers have higher and higher requirements for production efficiency. In the process of shearing off the burn mouth, the traditional manual cutting method has become more and more a constraint on modern industry.

[0003] The existing Chinese patent (Announcement No.: CN206703450U) is a fully automatic punching gate fixture, including a base, a mounting seat fixed on the base and a baffle fixed on the mounting seat, a sliding seat is slidably arranged on the mounting seat, a pressure block is slidably arranged on the upper surface of the sliding seat, a flange extends upward from the upper surface of the sliding seat, the pressure block is located between the baffle and the flange, a spring is arranged between the pressure block and the flange, the elastic force direction of the spring is consistent with the sliding direction of the sliding seat on the mounting seat, and a plurality of cutters are fixed on the sliding seat.

[0004] During the use of the above-mentioned fixture, the cylinder is used to drive the slide to fix the object to be processed, and then the cutter is used to perform self-cutting operation on the object to be processed. However, since the object often needs to be processed on multiple surfaces during the self-cutting process, and the device is not provided with a flip component, it is necessary to contact the fixed state of the object after processing one surface, and then reposition it. It is often troublesome to continuously use the above method to cut off the gate waste:

[0005] Therefore, we propose an injection molding mold gate self-cutting component to solve the above problems. Utility Model Content

[0006] The utility model provides an injection molding die gate self-cutting component, which solves the technical problem of inconvenient material turning processing in the prior art.

[0007] To solve the above technical problems, the utility model provides an injection molding mold gate self-cutting component, comprising a workbench and a first electric telescopic rod connected to the workbench, a slide connected to the telescopic end of the first electric telescopic rod, and a cutter arranged under the slide for cutting waste. The workbench is provided with a flipping component for flipping the workpiece, and the flipping component includes a transmission gear, which is rotatably arranged in the workbench, a first servo motor driving the transmission gear is connected to the rear side of the workbench, both sides of the first servo motor are meshedly connected with driven racks, the driven rack is connected to a mounting seat, a second electric telescopic rod is connected to the mounting seat, the telescopic end of the second electric telescopic rod is connected to a fixed frame, a second servo motor is connected in the fixed frame, and a positioning plate for positioning the workpiece is connected to the driving end of the second servo motor.

[0008] Preferably, anti-skid particles are integrally formed on the positioning plate, and the anti-skid particles are hollow in design.

[0009] Preferably, both sides of the slide plate are connected with limit rods, the limit rods are slidably connected in the workbench, and the workbench is provided with limit grooves matched with the limit rods.

[0010] Preferably, a guide rod is connected inside the workbench, and the mounting seat is slidably connected to the guide rod.

[0011] Preferably, the mounting seat is made of stainless steel.

[0012] Preferably, a control panel is connected to the workbench.

[0013] Preferably, it also includes a disassembly and assembly component for disassembling and assembling the cutter, the disassembly and assembly component includes a mounting frame, the mounting frame is connected to the bottom of the slide, a connecting column is inserted into the bottom of the mounting frame, a transmission rod is slidably provided in the mounting frame, a connecting rod is connected to the transmission rod, one end of the connecting rod is inserted into the connecting column, one end of the transmission rod extends to the outside of the mounting frame and is connected to the mounting plate, a compression spring is sleeved on the transmission rod, one end of the compression spring is connected to the mounting plate, and the other end is connected to the outer wall of the mounting frame.

[0014] Preferably, the connecting rod is in an "L" shape.

[0015] Compared with the related art, the injection molding mold gate self-cutting component provided by the utility model has the following beneficial effects:

[0016] 1. In the utility model, the workpiece to be processed is placed above the workbench, and then the first servo motor is started to drive the transmission gear to rotate, so that the driven rack meshingly connected on the transmission gear drives the mounting seat and the second electric telescopic rod to move relatively. At this time, the positioning plate arranged on the second electric telescopic rod can position workpieces of different sizes, and then the first electric telescopic rod is started to drive the cutter to move vertically downward to cut the waste generated by the gate. When it is necessary to cut other surfaces of the workpiece, it is only necessary to start the second electric telescopic rod to raise the height of the workpiece, and then start the second servo motor to drive the positioning plate to rotate. This arrangement is convenient for processing different surfaces of the workpiece.

[0017] 2. In the present invention, pulling the mounting plate causes the transmission rod to move horizontally and drives the connecting rod to no longer contact the connecting column. At this time, the connecting column can be separated from the mounting frame, thereby facilitating replacement and maintenance of the cutter. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of a self-cutting component of a gate of an injection molding mold;

[0019] Figure 2 A schematic diagram of the internal structure of a self-cutting component of a gate of an injection molding mold;

[0020] Figure 3 for Figure 2 A magnified view of the structure at center A;

[0021] Figure 4 for Figure 2 A magnified view of the structure at point B.

[0022] Numbers in the figure: 1. workbench; 2. first electric telescopic rod; 3. slide plate; 4. cutter; 5. transmission gear; 6. first servo motor; 7. driven rack; 8. mounting seat; 9. second electric telescopic rod; 10. second servo motor; 11. positioning plate; 12. mounting frame; 13. connecting column; 14. transmission rod; 15. connecting rod; 16. mounting plate; 17. compression spring; 18. guide rod; 19. limit rod; 20. placement rod. DETAILED DESCRIPTION

[0023] The embodiments of the present utility model are described in detail below.

[0024] In the description of the present utility model, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like are involved, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0025] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] Embodiment 1, by Figure 1-4 Provided is an injection molding die gate self-cutting assembly, comprising a workbench 1 and a first electric telescopic rod 2 connected to the workbench 1, a slide plate 3 connected to the telescopic end of the first electric telescopic rod 2 and a cutter 4 arranged under the slide plate 3 for cutting waste materials, a flipping assembly for turning over a workpiece is provided in the workbench 1, the flipping assembly comprises a transmission gear 5, the transmission gear 5 is rotatably arranged in the workbench 1, a first servo motor 6 for driving the transmission gear 5 is connected to the rear side of the workbench 1, both sides of the first servo motor 6 are meshedly connected with driven racks 7, the driven rack 7 is connected to a mounting seat 8, the mounting seat 8 is connected to a second electric telescopic rod 9, the telescopic end of the second electric telescopic rod 9 is connected to a fixed frame, a second servo motor 10 is connected in the fixed frame, and a positioning plate 11 for positioning the workpiece is connected to the driving end of the second servo motor 10.

[0027] In addition, a slide groove matched with the second electric telescopic rod 9 is provided on the workbench 1 for the second electric telescopic rod 9 to slide.

[0028] During specific implementation, the workpiece to be processed is placed above the workbench 1, and then the first servo motor 6 is started to drive the transmission gear 5 to rotate, so that the driven rack 7 meshing with the transmission gear 5 drives the mounting seat 8 and the second electric telescopic rod 9 to move relative to each other. At this time, the positioning plate 11 arranged on the second electric telescopic rod 9 can position workpieces of different sizes, and then the first electric telescopic rod 2 is started to drive the cutter 4 to move vertically downward to cut the waste generated by the gate. When it is necessary to cut other surfaces of the workpiece, it is only necessary to start the second electric telescopic rod 9 to raise the height of the workpiece, and then start the second servo motor 10 to drive the positioning plate 11 to rotate. This arrangement is convenient for processing different surfaces of the workpiece.

[0029] Specifically, anti-skid particles are integrally formed on the positioning plate 11 , and the anti-skid particles are hollow in design. This arrangement facilitates improving the stability of the positioning plate 11 when clamping a workpiece.

[0030] Limit rods 19 are connected to both sides of the slide plate 3. The limit rods 19 are slidably connected in the workbench 1. A limit groove matching the limit rods 19 is provided in the workbench 1. This arrangement improves the stability of the slide plate 3 during the sliding process.

[0031] A guide rod 18 is connected inside the workbench 1, and the mounting seat 8 is slidably connected to the guide rod 18. This setting provides a limiting and guiding effect for the sliding of the mounting seat 8, and a placement rod 20 is connected below one of the mounting seats 8, and the placement rod 20 is slidably connected inside the workbench 1.

[0032] The mounting seat 8 is made of stainless steel, and this arrangement utilizes the corrosion resistance of stainless steel to extend the service life of the mounting seat 8.

[0033] A control panel is connected to the workbench 1 , and the control panel is electrically connected to various electrical devices on the workbench 1 . This arrangement facilitates the control of various electrical devices on the workbench 1 .

[0034] Embodiment 2, by Figure 1-4 It is given that, on the basis of embodiment 1, it also includes a disassembly and assembly component for disassembling and assembling the cutter 4, the disassembly and assembly component includes a mounting frame 12, the mounting frame 12 is connected to the bottom of the slide plate 3, a connecting column 13 is inserted at the bottom of the mounting frame 12, a transmission rod 14 is slidably provided in the mounting frame 12, a connecting rod 15 is connected to the transmission rod 14, one end of the connecting rod 15 is inserted into the connecting column 13, one end of the transmission rod 14 extends to the outside of the mounting frame 12 and is connected to a mounting plate 16, a compression spring 17 is sleeved on the transmission rod 14, one end of the compression spring 17 is connected to the mounting plate 16, and the other end is connected to the outer wall of the mounting frame 12.

[0035] In specific implementation, the installation plate 16 is pulled to move the transmission rod 14 horizontally and drive the connecting rod 15 to no longer contact the connecting column 13. At this time, the connecting column 13 can be separated from the installation frame 12, so that the cutter 4 can be replaced and maintained conveniently.

[0036] Specifically, the connecting rod 15 is in an “L” shape, which facilitates positioning of the connecting column 13 .

[0037] Working principle: Place the workpiece to be processed on the top of the workbench 1, then start the first servo motor 6 to drive the transmission gear 5 to rotate, so that the driven rack 7 meshing with the transmission gear 5 drives the mounting seat 8 and the second electric telescopic rod 9 to move relative to each other. At this time, the positioning plate 11 arranged on the second electric telescopic rod 9 can position workpieces of different sizes, and then start the first electric telescopic rod 2 to drive the cutter 4 to move vertically downward to cut the waste generated by the gate. When it is necessary to cut other surfaces of the workpiece, just start the second electric telescopic rod 9 to raise the height of the workpiece, and then start the second servo motor 10 to drive the positioning plate 11 to rotate. This setting is convenient for processing different surfaces of the workpiece.

[0038] Pulling the mounting plate 16 to move the transmission rod 14 horizontally drives the connecting rod 15 to no longer contact the connecting column 13. At this time, the connecting column 13 can be separated from the mounting frame 12, so that the cutter 4 can be replaced and maintained conveniently.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection molding die gate self-cutting assembly, comprising a workbench (1), a first electric telescopic rod (2) connected to the workbench (1), a slide (3) connected to the telescopic end of the first electric telescopic rod (2), and a cutter (4) arranged below the slide (3) for cutting waste, characterized in that: The workbench (1) is provided with a flipping assembly for turning over a workpiece, and the flipping assembly includes a transmission gear (5), the transmission gear (5) is rotatably arranged in the workbench (1), the rear side of the workbench (1) is connected to a first servo motor (6) for driving the transmission gear (5), both sides of the first servo motor (6) are meshedly connected with driven racks (7), the driven rack (7) is connected to a mounting seat (8), the mounting seat (8) is connected to a second electric telescopic rod (9), the telescopic end of the second electric telescopic rod (9) is connected to a fixed frame, the fixed frame is connected to a second servo motor (10), and the driving end of the second servo motor (10) is connected to a positioning plate (11) for positioning the workpiece.

2. The injection molding die gate self-cutting component according to claim 1, characterized in that: Anti-skid particles are integrally formed on the positioning plate (11), and the anti-skid particles are hollow in design.

3. The injection molding die gate self-cutting component according to claim 2, characterized in that: Both sides of the slide plate (3) are connected to limiting rods (19), the limiting rods (19) are slidably connected in the workbench (1), and limiting grooves adapted to the limiting rods (19) are provided in the workbench (1).

4. The injection molding die gate self-cutting component according to claim 3, characterized in that: A guide rod (18) is connected inside the workbench (1), and the mounting seat (8) is slidably connected to the guide rod (18).

5. The injection molding die gate self-cutting component according to claim 4, characterized in that: The material of the mounting seat (8) is stainless steel.

6. The injection molding die gate self-cutting component according to claim 5, characterized in that: A control panel is connected to the workbench (1).

7. The injection mold gate self-cutting component according to any one of claims 1 to 6, characterized in that: The invention also includes a disassembly assembly for disassembling and assembling the cutter (4), wherein the disassembly assembly includes a mounting frame (12), the mounting frame (12) is connected to the bottom of the slide plate (3), the bottom of the mounting frame (12) is plugged with a connecting column (13), a transmission rod (14) is slidably provided in the mounting frame (12), a connecting rod (15) is connected to the transmission rod (14), one end of the connecting rod (15) is plugged into the connecting column (13), one end of the transmission rod (14) extends to the outside of the mounting frame (12) and is connected to a mounting plate (16), a compression spring (17) is sleeved on the transmission rod (14), one end of the compression spring (17) is connected to the mounting plate (16), and the other end is connected to the outer wall of the mounting frame (12).

8. The injection mold gate self-cutting component according to claim 7, characterized in that: The connecting rod (15) is in an "L" shape.

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