Limiting structure of mold sliding block
By using the inclined collision contact structure of the limit rod and the motion rod, the problem of inconvenient core pulling of the traditional mold slider is solved, realizing the automatic extraction and reset of the slider, improving production efficiency and ease of operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional mold slider core-pulling structures are prone to oil leakage or malfunction, leading to extended production cycles and low efficiency.
The slider structure, which employs limit rods and motion rods, achieves automatic extraction and reset of the slider through inclined plane collision contact, avoiding the use of hydraulic cylinders.
It enables the slider to be automatically pulled out and reset during mold opening and closing, which improves production efficiency, simplifies operation, and avoids mold collision.
Smart Images
Figure CN224028270U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to injection mold technical field, especially a mould slide's limit structure. BACKGROUND
[0002] In daily production, the mold of pipe fittings products usually needs multiple groups of core-pulling, so it involves the limiting problem of the slide block. The core-pulling structure of the traditional mold mostly uses an oil cylinder to drive the slide block, and the oil cylinder controls the stroke and limiting. In the process of using the oil cylinder, there may be oil leakage or failure phenomenon, and the core-pulling with the oil cylinder has time waste, which affects the whole production cycle and production efficiency. CONTENT OF THE UTILITY MODEL
[0003] In view of the above problems, the utility model aims at providing a mould slide's limit structure to solve the problem of inconvenient core-pulling of the slide block of the core-pulling mold.
[0004] The technical problem solved by the utility model can be realized by the following technical scheme: a mould slide's limit structure, including slide block, limit pull rod, movement pull rod, fixed block and spring, the slide block is slidably arranged on the slide block guide block, the slide block is provided with the limit pull rod, one side of the slide block guide block is provided with the fixed block, the upper part of the fixed block is provided with the movement pull rod, the spring is arranged between the movement pull rod and the fixed block, the movement pull rod and the fixed block are slidably connected, the front end of the hook of the limit pull rod is provided with the limit pull rod inclined surface, the side surface of the convex block of the movement pull rod is provided with the movement pull rod inclined surface, the limit pull rod inclined surface can be in collision contact with the movement pull rod inclined surface.
[0005] The fixed block is provided with a movement pull rod guide groove, the movement pull rod is arranged in the movement pull rod guide groove, one end of the movement pull rod extends out of the movement pull rod guide groove, and the other end is provided with a spring between the inner wall of the movement pull rod guide groove.
[0006] The upper part of the movement pull rod is provided with a fixed cover plate, the fixed cover plate is fixed on the fixed block, the side surface of the fixed cover plate is provided with a pull rod passage groove, and the pull rod passage groove is located above the convex block.
[0007] The limit pull rod is fixed on the slide block through a screw.
[0008] The limit pull rod inclined surface and the movement pull rod inclined surface are parallel to each other.
[0009] The two side surfaces of the slide block are provided with guide columns, the inner side of the inclined guide plate is provided with a guide sliding groove, and the guide column is arranged in the guide sliding groove.
[0010] The inclined guide plate is provided with a striker, the striker is provided with a striker inclined surface, the outer end of the movement pull rod is provided with an end inclined surface, and the striker inclined surface can be in collision contact with the end inclined surface.
[0011] The inclined guide plate is fixed on the upper die frame, and the slider guide block is fixed on the lower die frame.
[0012] Compared with the prior art, the utility model has the advantages that the utility model can realize slider extraction and resetting while mold opening and closing, does not need to drive the slider core pulling through the oil cylinder, the structure is strong in universality, simple to operate, convenient for mold processing, improves production efficiency, and can avoid mold clashing. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is a structure schematic view of the utility model;
[0014] Fig. 2 It is a structure schematic view of the utility model;
[0015] Fig. 3 It is a structure schematic view of the utility model;
[0016] Fig. 4 It is a structure schematic view of the mold of the utility model;
[0017] In the figure: 1-slidder; 2-screw; 3-limiting pull rod; 4-moving pull rod; 5-fixed block; 6-fixed cover plate; 7-spring; 8-limiting pull rod inclined surface; 9-moving pull rod inclined surface; 10-upper return plate; 11-lower return plate; 12-upper die frame; 13-lower die frame; 14-inclined guide plate; 15-impact block; 16-slider guide block; 17-end inclined surface; 18-impact block inclined surface; 19-guide pillar; 20-pull rod passage groove; 21-protruding block. DETAILED DESCRIPTION
[0018] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific drawings.
[0019] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "one end", "the other end", "outer side", "upper", "inner side", "horizontal", "coaxial", "central", "end", "length", "outer end" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0020] In combination with the drawings Figs. 1 to 4As shown, the embodiment discloses a mold slider limiting structure, which comprises a slider 1, a limiting pull rod 3, a moving pull rod 4, a fixed block 5, a spring 7 and a striker 15, the slider 1 is slidably arranged on a slider guide block 16, the slider 1 is provided with the limiting pull rod 3, one side of the slider guide block 16 is provided with the fixed block 5, the upper part of the fixed block 5 is provided with the moving pull rod 4, the spring 7 is arranged between the moving pull rod 4 and the fixed block 5, the moving pull rod 4 is slidably connected with the fixed block 5, the front end of the hook of the limiting pull rod 3 is provided with a limiting pull rod inclined surface 8, the moving pull rod 4 is provided with a convex block 21, the side surface of the convex block 21 is provided with a moving pull rod inclined surface 9, the limiting pull rod inclined surface 8 and the moving pull rod inclined surface 9 are parallel to each other, and the limiting pull rod inclined surface 8 and the moving pull rod inclined surface 9 are in collision contact when the mold is opened.
[0021] The fixed block 5 is provided with a moving pull rod guide groove, the moving pull rod 4 is arranged in the moving pull rod guide groove, the moving pull rod 4 can slide along the moving pull rod guide groove, one end of the moving pull rod 4 extends out of the moving pull rod guide groove, and the other end is provided with the spring 7 between the inner wall of the moving pull rod guide groove. The upper part of the moving pull rod 4 is provided with a fixed cover plate 6, the fixed cover plate 6 is fixed on the fixed block 5, the side surface of the fixed cover plate 6 is provided with a pull rod passage groove 20, the pull rod passage groove 20 is located above the convex block 21, and the hook of the limiting pull rod 3 extends into the pull rod passage groove 20 to hit the convex block 21 when the mold is opened.
[0022] The limiting pull rod 3 is fixed on the slider 1 through the screw 2, which is convenient for disassembly and replacement.
[0023] The slider 1 is provided with guide columns 19 on two side surfaces, the inner side of the inclined guide plate 14 is provided with a guide sliding groove, and the guide columns 19 are arranged in the guide sliding groove. The inclined guide plate 14 is fixed on the upper mold frame 12, and the slider guide block 16 is fixed on the lower mold frame 13.
[0024] The inclined guide plate 4 is provided with the striker 15, the striker 15 is provided with a striker inclined surface 18, the outer end of the moving pull rod 4 is provided with an end inclined surface 17, and the striker inclined surface 18 at the lower part of the striker 15 is in collision contact with the end inclined surface 17 when the mold is closed, so that the spring 7 connected with the moving pull rod 4 is in a compressed state, and the limiting pull rod 3 and the moving pull rod 4 are unlocked.
[0025] After the injection molding is completed, the movable mold and the fixed mold are separated under the driving force of the injection molding machine, the sliding block 1 moves outward under the driving of the inclined guide plate 14, the inclined surface of the limiting pull rod 3 fixed on the sliding block 1 collides with the inclined surface of the moving pull rod 4, then the moving pull rod 4 moves, the spring 7 is in a compressed state, after the sliding block 1 is core-pulled to the position, the striker 15 on the inclined guide plate 14 is separated from the moving pull rod 4, after the limiting pull rod 3 continues to move to the separation of the inclined surface of the limiting pull rod 3 and the inclined surface of the moving pull rod 4, the moving pull rod 4 is bounced back under the action of the spring 7, the convex block 21 of the moving pull rod 4 is moved into the hook at the front end of the limiting pull rod 3, at this time, the limiting pull rod 3 is locked with the moving pull rod 4, the sliding block 1 is not moved and is fixed, at this time, the outer end of the moving pull rod 4 moves to the lower part of the striker 15; after the product is taken out, the mold is closed, under the action of the inclined guide plate 14, the lower inclined surface 18 of the striker 15 on the inclined guide plate 14 collides with the outer end inclined surface 17 of the moving pull rod 4, so that the spring 7 connected with the moving pull rod 4 is in a compressed state, the moving pull rod 4 and the limiting pull rod 3 are separated, the limiting pull rod 3 and the moving pull rod 4 are unlocked, and the sliding block 1 moves to the initial position under the action of the inclined guide plate 14, and then enters the next production cycle.
[0026] The sliding block can be pulled out and reset while the mold is opened and closed, the sliding block need not be driven to pull the core by an oil cylinder, the structure is high in universality, simple to operate, convenient to process the mold, improves production efficiency, and can avoid the phenomenon of mold collision.
[0027] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, and any simple modification, equivalent change or modification made according to the technical principle of the utility model to the above embodiment still belongs to the range of the utility model technical scheme.
Claims
1. A limiting structure of a mold slider, comprising a slider (1), a limiting pull rod (3), a moving pull rod (4), a fixed block (5) and a spring (7), wherein the slider (1) is slidably arranged on a slider guide block (16), characterized in that: The slider (1) is provided with a limiting pull rod (3), one side of the slider guide block (16) is provided with a fixed block (5), the upper part of the fixed block (5) is provided with a movement pull rod (4), a spring (7) is arranged between the movement pull rod (4) and the fixed block (5), the movement pull rod (4) and the fixed block (5) are in sliding connection, the front end of the hook of the limiting pull rod (3) is provided with a limiting pull rod inclined surface (8), the side surface of the protrusion (21) of the movement pull rod (4) is provided with a movement pull rod inclined surface (9), the limiting pull rod inclined surface (8) can be in collision contact with the movement pull rod inclined surface (9).
2. The limiting structure of a mold slider according to claim 1, wherein: The fixed block (5) is provided with a movement pull rod guide groove, the movement pull rod (4) is arranged in the movement pull rod guide groove, one end of the movement pull rod (4) extends out of the movement pull rod guide groove, and the other end is provided with a spring (7) between the inner wall of the movement pull rod guide groove.
3. The mold slide stop structure of claim 1, wherein: The upper part of the movement pull rod (4) is provided with a fixed cover plate (6), the fixed cover plate (6) is fixed on the fixed block (5), and the side surface of the fixed cover plate (6) is provided with a pull rod passage groove (20), the pull rod passage groove (20) is located above the protrusion (21).
4. The mold slide stop structure of claim 1, wherein: The limiting pull rod (3) is fixed on the slider (1) through a screw (2).
5. The mold slide stop structure of claim 1 wherein: The limiting pull rod inclined surface (8) and the movement pull rod inclined surface (9) are parallel to each other.
6. The mold slide stop structure of claim 1 wherein: The two side surfaces of the slider (1) are provided with guide columns (19), the inner side of the inclined guide plate (14) is provided with a guide sliding groove, and the guide columns (19) are arranged in the guide sliding groove.
7. The mold slide stop structure of claim 6, wherein: The inclined guide plate (14) is provided with a striker (15), the striker (15) is provided with a striker inclined surface (18), the outer end of the movement pull rod (4) is provided with an end inclined surface (17), and the striker inclined surface (18) can be in collision contact with the end inclined surface (17).
8. The mold slide stop structure of claim 6, wherein: The inclined guide plate (14) is fixed on the upper die frame (12), and the slider guide block (16) is fixed on the lower die frame (13).