Sprue cutting equipment
By designing a gate removal device and using an electric push rod to drive the upper pressure plate and the tool to automatically cut the gate, the problem of low efficiency of the manual shearing method is solved, and efficient and automatic gate removal is achieved, which is suitable for injection molded parts of different shapes.
Patent Information
- Application Number
- CN202423001771.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-06
AI Technical Summary
In the prior art, the removal of the gate of an injection molded product mainly relies on manual shearing, which is inefficient and the cut gate is prone to splashing everywhere.
A gate cutting device was designed, which included a box base, support columns, a top plate, an electric push rod, an upper pressure plate and a tool. The electric push rod drove the upper pressure plate and the tool to automatically cut the gate, and the cut gate was collected through the blanking hole to realize automatic processing.
The efficiency of gate removal is improved, gate splashing is avoided, it has a certain degree of automation, and the mold plate and tool can be replaced to adapt to injection molded parts of different shapes.
Smart Images

Figure CN223442751U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to plastic part gate cutting technical field, concretely is a gate cutting device. BACKGROUND
[0002] Injection molding a plastic product, generally must be completed through the mould, and in most injection moulds, the gate is an indispensable part of the injection filling process. One part of the gate of the injection product cannot be directly cut off during the injection process due to its own limitations, and must be cut off after the injection is completed, so for this type of injection product, the cutting of the gate becomes a necessary process to complete the injection product. At present, for the cutting of this type of gate, most manufacturers basically adopt manual cutting method. The so-called manual cutting method refers to cutting off the gate directly by using a nozzle clamp by hand. However, the efficiency of manual cutting is relatively low, and the cut-off gate is easy to splash everywhere.
[0003] In view of the above problems, the utility model is proposed. CONTENT OF THE UTILITY MODEL
[0004] In view of the deficiencies in the prior art, the utility model aims to provide a gate cutting device to solve the problems mentioned in the background art.
[0005] To solve the above technical problems, the utility model provides the following technical scheme.
[0006] The utility model provides a gate cutting device, including box seat body, the upper surface both sides of box seat body are provided with support column vertically, the upper end of support column is provided with top plate horizontally, the upper surface of top plate is provided with electric push rod vertically, the telescopic rod of electric push rod is downward and is provided with upper pressure plate, the lower surface of upper pressure plate is provided with cutter;
[0007] The upper surface of box seat body is provided with lower mould seat in the center, the upper surface of lower mould seat and box seat body is provided with through communication blanking hole, the upper surface both sides of lower mould seat are provided with slide rod vertically, the upper end of slide rod is inserted in both sides of upper pressure plate;
[0008] The upper surface of lower mould seat is provided with detachable mould plate, the mould plate is provided with part groove, the end of part groove is provided with cutting hole, the cutting hole is communicated with blanking hole, the cutter is located directly above the mould plate;
[0009] The front of box seat body is inserted with drawer.
[0010] Preferably, the surface of the slide rod is provided with a spring seat, the upper half of the slide rod is provided with a spring around the spring seat, the lower end of the spring is fixed to the upper surface of the spring seat, and the lower end of the spring is fixed to the lower surface of the upper pressure plate.
[0011] Preferably, a handle is arranged above the front face of the drawer, and a button is arranged at the front end of the right side face of the box seat body, and the button is arranged on the power supply circuit of the electric push rod.
[0012] Preferably, four screw holes are symmetrically arranged on the upper surface of the lower die seat, and mounting blocks are arranged on the left side face and the right side face of the die plate, and through holes are arranged on the upper surface of the mounting blocks and face the screw holes.
[0013] Preferably, insertion holes are arranged on the upper surface of the upper pressing plate, and the upper end of the slide rod is inserted into the insertion holes.
[0014] Preferably, the telescopic rod of the electric push rod is fixed at the middle position of the upper surface of the upper pressing plate.
[0015] Preferably, the cutter is movably arranged on the lower surface of the upper pressing plate by bolts.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] The upper pressing plate and the cutter are located directly above the lower die seat and the die plate, when the electric push rod is extended, the cutter can move towards the die plate; the injection part is placed in the part groove, at this time, the gate position of the part is just located in the cutting hole, when the cutter moves downward, the cutter can cut off the gate of the part;
[0018] The cut gate enters the drawer through the blanking hole, and the cut gates are uniformly collected in the drawer, when the gates in the drawer are more, the drawer is pulled out, and the gates are poured out;
[0019] When the upper pressing plate and the cutter move downward, the spring can be extruded, when the electric push rod is retracted, the spring can assist the upper pressing plate and the cutter to move upward, after the gate of one injection part is cut, the part in the part groove is taken out; the next injection part is placed in the part groove, and the gate is cut again.
[0020] The device has a certain degree of automation, the workers can place the injection plastic parts into the part groove one by one, the cut gates are uniformly collected and will not splash everywhere; and the die plate and the cutter are replaceable, and the gates of injection parts with different shapes can be cut. BRIEF DESCRIPTION OF DRAWINGS
[0021] Fig. 1 It is the overall perspective view of the utility model;
[0022] Fig. 2 It is the blanking hole and the drawer perspective view of the utility model;
[0023] Fig. 3 This is a three-dimensional diagram of the mold plate of the present utility model.
[0024] In the figure: 1. Box base; 11. Support column; 12. Top plate; 13. Electric push rod; 14. Upper pressure plate; 15. Lower mold base; 151. Screw hole; 16. Slide rod; 161. Spring seat; 17. Spring; 18. Cutting tool; 19. Blanking hole; 191. Button; 2. Drawer; 21. Handle; 3. Mold plate; 31. Mounting block; 32. Parts slot; 33. Cutting hole. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.
[0027] like Figs. 1-3 As shown, a gate removal device includes a box base body 1, support columns 11 are vertically provided on both sides of the upper surface of the box base body 1, a top plate 12 is horizontally provided on the upper end of the support columns 11, an electric push rod 13 is vertically provided on the upper surface of the top plate 12, the telescopic rod of the electric push rod 13 is downwardly directed and provided with an upper pressing plate 14, and a tool 18 is provided on the lower surface of the upper pressing plate 14. When the electric push rod 13 is extended, it can drive the upper pressing plate 14 to move downward, and the tool 18 can enter the mold plate 3;
[0028] A lower die base 15 is provided in the center of the upper surface of the box base body 1. A blanking hole 19 is provided through and communicates with the lower die base 15 and the upper surface of the box base body 1. Slide rods 16 are vertically provided on both sides of the upper surface of the lower die base 15. The upper ends of the slide rods 16 are inserted into both sides of the upper pressing plate 14. The slide rods 16 play a guiding role in the up and down movement of the upper pressing plate 14.
[0029] The upper surface of the lower mold base 15 is provided with a detachable mold plate 3. The mold plate 3 is provided with a part groove 32. The end of the part groove 32 is provided with a cutting hole 33. The cutting hole 33 is connected to the blanking hole 19. The cutter 18 is located directly above the mold plate 3. When the cutter 18 cuts the gate of the injection part, the gate passes through the cutting hole and the blanking hole 19 and enters the drawer 2.
[0030] The front of the box seat body 1 is inserted with a drawer 2, and the cut-off sprue is uniformly put into the drawer 2.
[0031] The surface of the slide rod 16 is provided with a spring seat 161, and the upper half of the slide rod 16 is provided with a spring 17, the lower end of the spring 17 is fixed to the upper surface of the spring seat 161, and the lower end of the spring 17 is fixed to the lower surface of the upper pressing plate 14.
[0032] The front of the drawer 2 is provided with a handle 21, and the front end of the right side of the box seat body 1 is provided with a button 191, the button 191 is arranged on the power supply circuit of the electric push rod 13, and the electric push rod 13 is extended when the button 191 is pressed.
[0033] The upper surface of the lower die seat 15 is provided with four screw holes 151 which are symmetrical left and right and symmetrical front and back, the left and right surfaces of the mold plate 3 are provided with mounting blocks 31, the upper surface of the mounting block 31 is provided with through holes penetrating the mounting block 31, and the through holes face the screw holes 151.
[0034] The upper surface of the upper pressing plate 14 is provided with insertion holes penetrating the upper pressing plate 14 at left and right positions, and the upper end of the slide rod 16 is inserted into the insertion holes.
[0035] The telescopic rod end of the electric push rod 13 is fixed to the middle position of the upper surface of the upper pressing plate 14.
[0036] The cutter 18 is movably installed on the lower surface of the upper pressing plate 14 by bolts.
[0037] As described above: the upper pressing plate 14 and the cutter 18 are located directly above the lower die seat 15 and the mold plate 3, when the electric push rod 13 is extended, the cutter 18 can move towards the mold plate 3; the injection part is placed in the part groove 32, at this time the sprue position of the part is just located in the cutting hole 33, when the cutter 18 moves downward, the cutter 18 can cut off the sprue of the part;
[0038] The cut-off sprue enters the drawer 2 through the blanking hole 19, and the cut-off sprue is uniformly collected in the drawer 2, when there are more sprues in the drawer 2, the drawer 2 is pulled out, and the sprues are poured out uniformly;
[0039] When the upper pressing plate 14 and the cutter 18 move downward, the spring 17 can be squeezed, when the electric push rod 13 is retracted, the spring 17 can assist the upward movement of the upper pressing plate 14 and the cutter 18, after the sprue of one injection part is cut off, the part in the part groove 32 is taken out, and the next injection part is placed in the part groove 32, and the sprue is cut off again.
[0040] The device has certain degree of automation, the worker will inject the plastic parts into the part groove 32 one by one, the cutting gate is collected uniformly, and will not fly everywhere; And the mold plate 3 and the cutter 18 are replaceable, and the gates of different shapes of injection molded parts can be cut.
[0041] The above merely describes a preferred specific implementation of the present application, but the scope of protection of the present application is not limited thereto, any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the scope of protection of the present application.
Claims
1. A gate removal device, characterized in that: The invention comprises a box base body (1), support columns (11) are vertically arranged on both sides of the upper surface of the box base body (1), a top plate (12) is horizontally arranged on the upper end of the support column (11), an electric push rod (13) is vertically arranged on the upper surface of the top plate (12), the telescopic rod of the electric push rod (13) faces downward and is provided with an upper pressing plate (14), and a tool (18) is provided on the lower surface of the upper pressing plate (14); A lower die seat (15) is provided at the center of the upper surface of the box base body (1), and a blanking hole (19) is provided through and connected to the lower die seat (15) and the upper surface of the box base body (1). Slide rods (16) are vertically provided on both sides of the upper surface of the lower die seat (15), and the upper ends of the slide rods (16) are plugged into both sides of the upper pressing plate (14); A detachable mold plate (3) is provided on the upper surface of the lower mold base (15), a part groove (32) is provided on the mold plate (3), a cutting hole (33) is provided at the end of the part groove (32), the cutting hole (33) is connected to the blanking hole (19), and the tool (18) is located directly above the mold plate (3); A drawer (2) is plugged into the front of the box base (1).
2. A gate removal device according to claim 1, characterized in that: A spring seat (161) is provided on the surface of the slide bar (16), a spring (17) is provided around the upper half of the slide bar (16), the lower end of the spring (17) is fixed to the upper surface of the spring seat (161), and the lower end of the spring (17) is fixed to the lower surface of the upper pressure plate (14).
3. The gate removal device according to claim 1, characterized in that: A handle (21) is provided on the upper front of the drawer (2), and a button (191) is provided on the front end of the right side of the box seat (1). The button (191) is provided on the power supply circuit of the electric push rod (13).
4. The gate removal device according to claim 1, characterized in that: The upper surface of the lower mold base (15) is symmetrically provided with four screw holes (151) in left-right and front-back directions. The left and right sides of the mold plate (3) are provided with mounting blocks (31). The upper surface of the mounting block (31) is provided with a through hole penetrating the mounting block (31), and the through hole faces the screw hole (151).
5. The gate removal device according to claim 1, characterized in that: Insertion holes penetrating the upper pressing plate (14) are provided at left and right positions on the upper surface of the upper pressing plate (14), and the upper end of the sliding rod (16) is inserted into the insertion holes.
6. The gate removal device according to claim 1, characterized in that: The telescopic rod end of the electric push rod (13) is fixed at the middle position of the upper surface of the upper pressing plate (14).
7. The gate removal device according to claim 1, characterized in that: The cutter (18) is movably mounted on the lower surface of the upper pressing plate (14) via bolts.