Automatic material cutting structure for in-mold cutting
By combining the cutting blade and grinding block in the in-mold automatic material cutting structure, the problem of uneven cutting surface in in-mold cutting is solved, achieving efficient and flat cutting surface and improving product quality.
Patent Information
- Application Number
- CN202423063825.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-12
AI Technical Summary
In existing in-mold cutting technology, the cutting tool cannot guarantee the flatness of the cut surface of the product, and secondary grinding is required.
Design an in-mold automatic material cutting structure, which uses a combination of a cutting blade and a grinding block. The cutting blade is driven to move laterally by a hydraulic cylinder to cut, and the grinding block is used to rub and polish the cut surface during the cutting process to ensure that the cut surface is flat.
It improves the flatness of the product's cut surface, reduces the need for secondary polishing, and enhances product quality.
Smart Images
Figure CN223644181U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of injection mold in-mold cutting technology, specifically an in-mold automatic material cutting structure. Background Technology
[0002] In-mold cutting is a technique for cutting plastic parts during the injection molding process. This technique allows for the direct cutting of freshly injected parts inside the mold, thus completing molding and cutting in the same process and reducing the need for secondary processing.
[0003] Currently, most in-mold gate cutting uses cutting tools. However, cutting with cutting tools cannot guarantee the flatness of the cut surface of the product, requiring secondary grinding. Therefore, improvements are needed. Utility Model Content
[0004] The purpose of this invention is to provide an automatic material cutting structure for in-mold cutting, so as to solve the problem of uneven in-mold cutting of products mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an in-mold automatic material cutting structure, including a worktable, a stationary mold is provided on the worktable, a moving mold is provided on the top of the stationary mold, a sprue channel is provided on the top of the moving mold, a groove is provided on one side of the sprue channel, and a cutting component is provided inside the groove;
[0006] The cutting assembly includes a push hydraulic cylinder installed in a groove on one side of the gate channel, a cutting blade connected to one side of the push hydraulic cylinder, and an upper grinding assembly and a lower grinding assembly respectively provided at the top and bottom of the cutting blade;
[0007] The lower grinding assembly includes a grinding block.
[0008] Preferably, a fixing seat is fixedly connected to the top of the grinding block, and the fixing seat is connected to the bottom of the cutting blade by screws.
[0009] Preferably, the upper grinding component and the lower grinding component have the same structure.
[0010] Preferably, a fixed frame is fixedly connected to the top side of the workbench, and a splitting hydraulic cylinder is installed on the top of the fixed frame. One end of the splitting hydraulic cylinder is connected to the top side of the moving mold.
[0011] Preferably, a connecting sleeve is fixedly connected to the bottom side of the moving mold, and a supporting spring is fixedly connected to the bottom of the connecting sleeve.
[0012] Preferably, a telescopic rod is inserted into the lower end of the connecting sleeve, and the telescopic rod and the connecting sleeve form a telescopic structure.
[0013] Preferably, the support spring is sleeved on the outer wall of the telescopic rod, and one end of the support spring is fixedly connected to one side of the stationary mold.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] (1) This device can improve the flatness of product cutting, thereby improving product quality.
[0016] (2) This device sets an automatically pushed cutting blade on one side of the moving mold, and sets grinding blocks on the front and back of the cutting blade. During the lateral movement of the cutting blade, it can not only cut the product gate, but also make the grinding blocks contact and rub against the product gate through the repeated lateral movement of the cutting blade, thereby achieving the purpose of gate certification.
[0017] (3) This device installs grinding blocks on both sides of the cutting blade, and the grinding blocks can be disassembled and replaced, thereby ensuring the grinding effect of the grinding blocks. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of an in-mold automatic material cutting structure according to the present invention;
[0019] Figure 2 This utility model relates to an in-mold automatic material cutting structure. Figure 1 Enlarged view of point A in the middle;
[0020] Figure 3 This is a top view of the cutting blade of the in-mold automatic material cutting structure of this utility model;
[0021] Figure 4 This is a front view of the connection between the grinding block and the fixed base in an in-mold automatic material cutting structure according to this utility model.
[0022] In the diagram: 1. Hydraulic cylinder for opening and closing; 2. Fixed frame; 3. Moving mold; 4. Stationary mold; 5. Worktable; 6. Sprue channel; 7. Connecting sleeve; 8. Telescopic rod; 9. Support spring; 10. Cutting assembly; 101. Upper grinding assembly; 102. Lower grinding assembly; 1021. Fixed base; 1022. Grinding block; 103. Pushing hydraulic cylinder; 104. Cutting blade. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Please see Figure 1-4This utility model provides a technical solution: an in-mold automatic material cutting structure, including a worktable 5, a stationary mold 4 on the worktable 5, a fixed frame 2 fixedly connected to the top side of the worktable 5, a splitting and closing hydraulic cylinder 1 installed on the top of the fixed frame 2, one end of the splitting and closing hydraulic cylinder 1 connected to the top side of the moving mold 3; this structure can automatically push the moving mold 3 to rise and fall through the splitting and closing hydraulic cylinder 1, facilitating the splitting and closing of the moving mold 3; a connecting sleeve 7 is fixedly connected to the bottom side of the moving mold 3, and a support spring 9 is fixedly connected to the bottom of the connecting sleeve 7; a telescopic rod 8 is inserted into the lower end of the connecting sleeve 7, and the telescopic rod 8 is connected to the connecting sleeve 7. The connecting sleeve 7 forms a telescopic structure; this structure, through the telescopic rod 8 and the telescopic sleeve 7, can limit the lifting and lowering of the moving mold 3 during the lifting and lowering process, making the lifting and lowering of the moving mold 3 more stable; the support spring 9 is sleeved on the outer wall of the telescopic rod 8, and one end of the support spring 9 is fixedly connected to one side of the stationary mold 4; the support spring 9 of this structure can play a buffering role, avoiding damage caused by the impact between the moving mold 3 and the stationary mold 4; the stationary mold 4 is provided with the moving mold 3 at the top, the moving mold 3 is provided with the sprue channel 6 at the top, and a groove is opened on one side of the sprue channel 6, and a cutting component 10 is provided inside the groove;
[0025] The cutting assembly 10 includes a hydraulic cylinder 103 installed in a groove on one side of the gate channel 6. A cutting blade 104 is connected to one side of the hydraulic cylinder 103. An upper grinding assembly 101 and a lower grinding assembly 102 are respectively provided at the top and bottom of the cutting blade 104. The upper grinding assembly 101 and the lower grinding assembly 102 have the same structure. This structure can grind the gate cutting surfaces at both ends of the cutting blade 104 at the same time, making the cutting surface smoother.
[0026] The lower grinding assembly 102 includes a grinding block 1022; the push hydraulic cylinder 103 and the split hydraulic cylinder 1 of this device are both driven by a hydraulic pump and hydraulic oil. This part is prior art, so it will not be described in detail here; a fixed base 1021 is fixedly connected to the top of the grinding block 1022, and the fixed base 1021 is connected to the bottom of the cutting blade 104 by screws; this structure allows the grinding block 1022 and the fixed base 1021 to be disassembled and replaced, thereby ensuring the service life of the grinding block 1022.
[0027] Working principle: When using this in-mold automatic material cutting structure, if it is necessary to cut off the product gate, the hydraulic cylinder 103 can be activated to push the cutting blade 104 to move laterally, so that the cutting blade 104 enters the gate channel 6 to cut the product. During the cutting process, the grinding blocks 1022 at the upper and lower ends of the cutting blade 104 rub against the cutting surface for the first time. After the cutting is completed, the hydraulic cylinder 103 drives the cutting blade 104 to reciprocate multiple times, so that the grinding blocks 1022 rub against the product cutting surface, making the product cutting surface smoother. If the grinding blocks 1022 need to be replaced during use, the fixing seat 1021 on the grinding block 1022 can be separated from the cutting blade 104, and then a new grinding block 1022 can be replaced.
[0028] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. An in-mold automatic material cutting structure, comprising a worktable (5), characterized in that: A stationary mold (4) is provided on the workbench (5), a moving mold (3) is provided on the top of the stationary mold (4), a gate channel (6) is provided on the top of the moving mold (3), a groove is provided on one side of the gate channel (6), and a cutting component (10) is provided inside the groove. The cutting assembly (10) includes a push hydraulic cylinder (103) installed in a groove on one side of the gate channel (6). A cutting blade (104) is connected to one side of the push hydraulic cylinder (103). An upper grinding assembly (101) and a lower grinding assembly (102) are respectively provided on the top and bottom of the cutting blade (104). The lower grinding assembly (102) includes a grinding block (1022).
2. The in-die automatic material cutting structure according to claim 1, characterized in that: The top of the grinding block (1022) is fixedly connected to a fixing seat (1021), and the fixing seat (1021) is connected to the bottom of the cutting blade (104) by screws.
3. The in-die automatic material cutting structure according to claim 1, characterized in that: The upper polishing assembly (101) and the lower polishing assembly (102) have the same structure.
4. The in-die automatic material cutting structure according to claim 3, characterized in that: The workbench (5) is fixedly connected to a fixed frame (2) on the top side. A split hydraulic cylinder (1) is installed on the top of the fixed frame (2). One end of the split hydraulic cylinder (1) is connected to the top side of the moving mold (3).
5. The in-die automatic material cutting structure according to claim 1, characterized in that: The bottom side of the moving mold (3) is fixedly connected to a connecting sleeve (7), and a support spring (9) is fixedly connected to the bottom of the connecting sleeve (7).
6. The in-die automatic material cutting structure according to claim 5, characterized in that: The lower end of the connecting sleeve (7) is provided with a telescopic rod (8), and the telescopic rod (8) and the connecting sleeve (7) form a telescopic structure.
7. The in-die automatic material cutting structure according to claim 5, characterized in that: The support spring (9) is sleeved on the outer wall of the telescopic rod (8), and one end of the support spring (9) is fixedly connected to one side of the static mold (4).