Ejection mechanism of mold
By introducing stop pins and reset pins into the mold, and utilizing the combination of movable block slots and inclined surfaces, the automatic reset of the push block is achieved, solving the problem of products sticking to the push block in two-plate molds, improving the yield rate and reducing production costs.
Patent Information
- Application Number
- CN202423211236.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Existing two-plate molds are prone to product sticking to the push block in small-batch production, resulting in low yield, high cost, and low manufacturing efficiency.
A mold ejection mechanism is adopted, which sets a stop pin and a reset pin between the pin plate and the B template. The design of the movable block groove makes the push block stop automatically after being ejected a certain distance. Combined with the lateral movement of the movable block and the inclined surface cooperation, the push block is reset, avoiding the phenomenon of the push block sticking.
It achieves low-cost, space-saving, and high-efficiency mold ejection with good stability, solves the problem of product sticking to the ejector block, reduces production costs, and improves the yield.
Smart Images
Figure CN223604936U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a mould's ejection mechanism, more specifically to a mould ejection mechanism of single push block stopping after pushing a distance.
BACKGROUND
[0002] Because two-plate mould is lower in structural complexity, is more suitable for small batch production with high precision requirement, so general injection molding manufacturers select two-plate mould when manufacturing small batch products with high precision, but many existing two-plate moulds use single push block, and single push block is easy to cause product sticking to push block, so that injection molding product yield is low, unnecessary waste is caused.
SUMMARY
[0003] The utility model discloses a mould ejection mechanism with low cost, small space, high efficiency, good stability and low-cost solution to product sticking to push block.
[0004] The utility model discloses a mould ejection mechanism with low cost, small space, high efficiency, good stability and low-cost solution to product sticking to push block.
[0005] A mould ejection mechanism, the mould includes bottom plate, needle plate and B template, and is characterized in that needle plate is equipped with push block seat, push block seat is equipped with push block, the upper end of push block passes through needle plate and B template, one side of push block is equipped with push block clamping groove, and one side of push block seat is equipped with movable block that can be clamped into push block clamping groove and can move horizontally, and movable block is equipped with movable block groove, stop needle that is inserted into movable block groove is equipped between B template and needle plate, and stop needle is inserted into movable block groove and drives movable block to move right and separate from push block clamping groove, and bottom plate is equipped with reset needle that can be inserted into movable block groove, and reset needle is inserted into movable block groove and can drive movable block to move left and clamp into push block clamping groove.
[0006] The utility model discloses a mould ejection mechanism, more specifically to a mould ejection mechanism of single push block stopping after pushing a distance.
[0007] The utility model discloses a mould ejection mechanism, more specifically to a mould ejection mechanism of single push block stopping after pushing a distance.
[0008] The utility model discloses a mould ejection mechanism, more specifically to a mould ejection mechanism of single push block stopping after pushing a distance.
[0009] The ejecting mechanism of the mold is characterized in that the upper right side of the movable block slot is provided with an upper pushing inclined surface matched with the stop needle, and the lower left side of the movable block slot is provided with a lower pushing inclined surface matched with the reset needle.
[0010] The ejecting mechanism of the mold is characterized in that the end of the stop needle and the reset needle is conical or round.
[0011] The ejecting mechanism of the mold is characterized in that one side of the push block seat is provided with a push block hole through which the push block passes, and the bottom of the push block is provided with a push block clamping block.
[0012] The ejecting mechanism of the mold is characterized in that one side of the push block hole is provided with a push block hole slot through which the movable block passes.
[0013] The ejecting mechanism of the mold is characterized in that the upper part of the stop needle is provided with a stop needle mounting plate, the top of the stop needle passes through the stop needle mounting plate, the bottom of the B die plate is provided with a B die lower groove into which the stop needle mounting plate is clamped, and the B die lower groove is provided with a groove hole into which the stop needle is inserted.
[0014] The ejecting mechanism of the mold is characterized in that the needle plate comprises an upper needle plate and a lower needle plate, and the lower needle plate is provided with a stepped groove for mounting the push block seat and the movable block seat.
[0015] The beneficial effects of the present utility model are:
[0016] Under the action of the driving mechanism (not shown in the figure), the needle plate is upwardly ejected by a distance, the stop needle is inserted into the movable block slot to drive the movable block to move rightward and disengage from the push block clamping groove, at this time, the push block disengages from the needle plate and stops upward movement and ejection, and the needle plate continues to complete ejection; when the needle plate is reset, the reset needle is inserted into the movable block slot to drive the movable block to move leftward and be clamped into the push block clamping groove, so that the push block is reset in place, and the push block stops ejection after being pushed by a distance. The present utility model has the advantages of low cost, small space, high efficiency, good stability, and the problem of product sticking to the push block can be solved at low cost. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a perspective view of the present utility model;
[0018] Figure 2 is a structural view of the present utility model;
[0019] Figure 3 is an exploded view of the ejecting mechanism of the present utility model;
[0020] Figure 4 is an exploded view of the ejecting mechanism of the present utility model;
[0021] Figure 5It is the partial structure explosion map of the utility model;
[0022] Figure 6 It is the structure diagram of the needle plate of the utility model.
CONCRETE IMPLEMENTING METHOD
[0023] The utility model will be further explained in connection with the drawings:
[0024] A kind of ejection mechanism of mould, the mould includes bottom plate 10, needle plate 20, B template 30 and A plate (not shown in drawing), the mould structure in the embodiment is same with existing mould structure.Equipped with push block seat 1 in needle plate 20, push block 2 is equipped on push block seat 1, the upper end of push block 2 passes through needle plate 20 and B template 30, push block 2 one side is equipped with push block slot 21, push block seat 1 one side is equipped with movable block 3 that can be inserted into push block slot 21 and can move horizontally, movable block 3 is equipped with movable block slot 31, stop needle 4 inserted into movable block slot 31 is equipped between B template 30 and needle plate 20, stop needle 4 insertion movable block slot 31 drives movable block 3 to move right and separate from push block slot 21;Bottom plate 10 is equipped with reset needle 5 that can be inserted into movable block slot 31, reset needle 5 insertion movable block slot 31 can drive movable block 3 to move left and be inserted into push block slot 21.Push block 2 is separated from needle plate 20 and stops upward movement and is ejected after needle plate 20 is ejected a distance under the action of driving mechanism (not shown in drawing), stop needle 4 insertion movable block slot 31 drives movable block 3 to move right and separate from push block slot 21, push block 2 is ejected at this time, needle plate 20 continues to complete ejection;When needle plate 20 resets, reset needle 5 insertion movable block slot 31 can drive movable block 3 to move left and be inserted into push block slot 21, reach push block 2 reset in place, so that push block 2 is ejected after a distance and stops the advantage that the problem of product sticking push block is solved at low cost with the utility model has low cost, small, high efficiency, good stability, can.
[0025] One side of push block seat 1 of the utility model is equipped with movable block seat 6, movable block seat 6 is equipped with movable block sliding slot 60 for movable block 3 to move horizontally in it.
[0026] Upper portion of one side of push block seat 1 of the utility model is equipped with crossbeam 111, lower portion is hollow, movable block seat 6 is fixed in the lower portion hollow position of one side of push block seat 1, and the position of the crossbeam 111 of the upper portion of one side of push block seat 1 is equipped with push block seat avoiding slot 11 for stop needle 4 to pass through.Movable block seat 6 is fixed with crossbeam 111, and movable block 3 is clamped between movable block seat 6 and crossbeam 111.
[0027] Positioning rod 61 is equipped on movable block seat 6 of the utility model, and movable block 3 is equipped with positioning hole 32 matched with positioning rod 61.Positioning rod 61 is positioned in cooperation with positioning hole 32 when movable block 3 moves horizontally in movable block sliding slot 60.
[0028] The upper right side of the movable block groove 31 is provided with an upper push top inclined surface 311 matched with the stop needle 4, and the lower left side of the movable block groove 31 is provided with a lower push top inclined surface 312 matched with the reset needle 5. The end of the stop needle 4 and the reset needle 5 is conical or circular. When the stop needle 4 is inserted into the movable block groove 31, under the action of the upper push top inclined surface 311, the stop needle 4 can be more smoothly inserted into the movable block groove 31 and drive the movable block 3 to move rightwards, and when the reset needle 5 is inserted into the movable block groove 31, under the action of the lower push top inclined surface 312, the reset needle 5 can be more smoothly inserted into the movable block groove 31 and drive the movable block 3 to move leftwards.
[0029] The side of the push block seat 1 is provided with a push block hole 12 through which the push block 2 passes, and the bottom of the push block 2 is provided with a push block clamping block 22. The push block clamping block 22 can limit the push block to move upwards away from the push block hole 21.
[0030] The side of the push block hole 12 is provided with a push block hole groove 121 through which the movable block 3 passes. The push block hole groove 121 can play a positioning role and also facilitate assembly.
[0031] The upper part of the stop needle 4 is provided with a stop needle mounting plate 41, and the top of the stop needle 4 passes through the stop needle mounting plate 41, and the bottom of the B template 30 is provided with a B template lower groove (not shown in the figure) for clamping the stop needle mounting plate, and the B template lower groove is provided with a groove hole (not shown in the figure) for inserting the stop needle.
[0032] As shown in Figure 6 The needle plate 20 comprises an upper needle plate 201 and a lower needle plate 202, and the lower needle plate 202 is provided with a stepped groove 203 for mounting the push block seat 1 and the movable block seat 6.
Claims
1. An ejection mechanism for a mold comprising a base plate (10), a needle plate (20) and a B plate (30), characterized in that The needle plate (20) is provided with a push block seat (1), the push block seat (1) is provided with a push block (2), the upper end of the push block (2) passes through the needle plate (20) and the B template (30), one side of the push block (2) is provided with a push block clamping groove (21), one side of the push block seat (1) is provided with a movable block (3) which can be clamped into the push block clamping groove (21) and can move horizontally, the movable block (3) is provided with a movable block groove (31), the B template (30) and the needle plate (20) are provided with a stop needle (4) which is inserted into the movable block groove (31), the stop needle (4) is inserted into the movable block groove (31) to drive the movable block (3) to move rightward and disengage from the push block clamping groove (21); the bottom plate (10) is provided with a reset needle (5) which can be inserted into the movable block groove (31), the reset needle (5) is inserted into the movable block groove (31) to drive the movable block (3) to move leftward and clamp into the push block clamping groove (21).
2. A mold ejection mechanism according to claim 1 wherein One side of the push block seat (1) is provided with a movable block seat (6), the movable block seat (6) is provided with a movable block sliding groove (60) for horizontal movement of the movable block (3) therein.
3. A mold ejection mechanism according to claim 2 wherein The movable block seat (6) is fixed to the lower part of one side of the push block seat (1), and the upper part of one side of the push block seat (1) is provided with a push block seat avoiding groove (11) for the stop needle (4) to pass through.
4. The ejection mechanism of claim 2 wherein The movable block seat (6) is provided with a positioning rod (61), and the movable block (3) is provided with a positioning hole (32) matched with the positioning rod (61).
5. The ejection mechanism of claim 1 wherein The upper right side of the movable block groove (31) is provided with an upper push top inclined surface (311) matched with the stop needle (4), and the lower left side of the movable block groove (31) is provided with a lower push top inclined surface (312) matched with the reset needle (5).
6. A mold ejection mechanism according to claim 5 wherein The end of the stop needle (4) and the reset needle (5) is conical or circular.
7. The ejection mechanism of claim 1 wherein One side of the push block seat (1) is provided with a push block hole (12) for the push block (2) to pass through, and the bottom of the push block (2) is provided with a push block clamping block (22).
8. A mold ejection mechanism according to claim 7 wherein One side of the push block hole (12) is provided with a push block hole groove (121) for the movable block (3) to pass through.
9. The ejection mechanism of claim 1 wherein The upper part of the stop needle (4) is provided with a stop needle mounting plate (41), the top of the stop needle (4) passes through the stop needle mounting plate (41), the bottom of the B template (30) is provided with a B template lower recess for clamping the stop needle mounting plate, and the B template lower recess is provided with a recess hole for the stop needle to insert.
10. The ejection mechanism of claim 1 wherein The needle plate (20) comprises an upper needle plate (201) and a lower needle plate (202), and the lower needle plate (202) is provided with a stepped groove (203) for mounting the push block seat (1) and the movable block seat (6).