CN203712990U - Core pulling mechanism for mold - Google Patents
Core pulling mechanism for mold Download PDFInfo
- Publication number
- CN203712990U CN203712990U CN201420053021.5U CN201420053021U CN203712990U CN 203712990 U CN203712990 U CN 203712990U CN 201420053021 U CN201420053021 U CN 201420053021U CN 203712990 U CN203712990 U CN 203712990U
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- CN
- China
- Prior art keywords
- slide block
- hole
- die cavity
- core
- pulling mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a core pulling mechanism for a mold. The mechanism comprises an oblique block core pulling mechanism and a fixed die, wherein a first insert (8) and a second insert (9) are arranged on the fixed die; the first inert (8) and the second inset (9) are respectively provided with a first cavity (10) and a second cavity (11); the first insert (8) is provided with a first through hole (12) in the vertical direction of the first cavity (10); the second insert (9) is provided with a second through hole (13) in the vertical direction of the second cavity (11); the core pulling mechanism also comprises a first slider (1) and a second slider (2), wherein one end of the first slider (1) is connected with the oblique block core pulling mechanism; the first slider (1) is connected with the first through hole (12) in a sliding manner; one end of the second slider (2) is attached to the second inert (9) and the other end of the second slider (2) propped against the first slider (1); a reset spring (4) is sleeved over the outer side of the second slider (2); and when the reset spring (4) is in a free state, the other end of the second slider (2) is inside the second through hole (13).
Description
Technical field
The utility model relates to a kind of core-pulling mechanism for mould.
Background technology
Plastics injection mould is the instrument of producing plastic products, applies very extensive.There is the structure such as groove, side opening in some plastic products inside, after need to mold cores being taken out by core-pulling mechanism, product could be ejected.The die cavity (profile of product) surrounding when cover half is provided with two the first die cavities that are parallel to each other and the second die cavity, the first die cavity and the second die cavity are around respectively equipped with one to one first and insert and second insert, insert and be positioned at cover half, cover half is for support product, first inserts and second inserts and in the vertical direction of die cavity, be provided with respectively the first through hole and the second through hole, the axis of the first through hole and the second through hole all, on same straight line, is provided with slide opening between first the first through hole of inserting and second the second through hole of inserting; Existing core-pulling mechanism is provided with a strip slide block conventionally in die cavity, one end of strip slide block offsets with the second end face of inserting through after the first through hole, slide opening and the second through hole successively, the other end of strip slide block is connected with skewback core-pulling mechanism, skewback core-pulling mechanism drives strip slide block to slide outside mould, in the time that the other end of strip slide block departs from die cavity completely, complete the operation of loosing core.Existing core-pulling mechanism has some shortcomings part: above-mentioned core-pulling mechanism is by one is loosed core through the strip slide block between through hole, the stroke distances of loosing core is the distance sum between the first die cavity and the second die cavity, the stroke of loosing core is longer, cause life cycle of the product longer, thereby make production efficiency lower; In addition, because the stroke of loosing core is longer, make the volume of core-pulling mechanism larger, thereby the space that causes mould to take is larger, cost of material is higher, makes production cost higher.
Utility model content
Technical problem to be solved in the utility model: provide that a kind of stroke of loosing core is shorter, the core-pulling mechanism for mould that production efficiency is higher and that production cost is lower.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of core-pulling mechanism for mould, it comprises skewback core-pulling mechanism and cover half, described skewback core-pulling mechanism is positioned at cover half one side, cover half is provided with first and inserts and second insert, and first inserts and second be respectively equipped with the first die cavity and the second die cavity on inserting; First inserts is provided with the first through hole in the vertical direction of the first die cavity, second inserts is provided with the second through hole in the vertical direction of the second die cavity, the axis of the first through hole and the second through hole axially on same straight line, between the first through hole and the second through hole, be provided with slide opening, it also comprises the first slide block and the second slide block, described first slide block one end is connected with skewback core-pulling mechanism, skewback core-pulling mechanism can drive the first slide block to move horizontally, and the first slide block other end is successively through being slidably connected with the first through hole after the first die cavity and the first through hole; Second slide block one end is successively through fitting with the second end face of inserting after the second through hole and the second die cavity, and the second slide block and the second through hole are slidably connected, and the end face of the second slide block other end and the first slide block offset away from one end end face of skewback core-pulling mechanism; The diameter of the diameter of the first through hole and the second through hole is all less than the diameter of slide opening, and the second slide block is circumferentially with annular protrusion near the edge, one end of the first slide block, and annular protrusion is positioned at slide opening; The second slide block is socketed with back-moving spring near the outside, one end of the first slide block, and back-moving spring is between annular protrusion and second is inserted, and back-moving spring one end and annular protrusion offset, and the transition face of the back-moving spring other end and slide opening offsets; Back-moving spring is in the time of free state, and the other end of the second slide block is in the second through hole.
Adopt said structure, the advantage that the utility model has is: first slide block one end is connected with oblique core-pulling mechanism, the first slide block other end is successively through being positioned at slide opening after the first die cavity and the first through hole, second slide block one end is positioned at slide opening and offsets with the end face of the other end of the first slide block, the other end of the second slide block is successively through fitting with the second end face of inserting after the second through hole and the second die cavity, in the time loosing core work, oblique core-pulling mechanism drives the first slide block do the level motion of loosing core, owing to being socketed with back-moving spring on the second slide block, make to loose core as level at the first slide block in the process of moving, the second slide block under the effect of back-moving spring with the first slide block in the same way do the level motion of loosing core, when the first slide block completes while detaching the first die cavity, the first die cavity completes the work of loosing core, and at this moment back-moving spring in free state, the other end of the second slide block departs from the second die cavity and is positioned at the second through hole, the second die cavity completes the work of loosing core, the stroke of loosing core of core-pulling mechanism of the present utility model be only the first slide block Core-pulling distance from, well below prior art, make the formation of loosing core shorter, and then make the production cycle shorter, production efficiency is higher, the space that mould takies is less, raw materials for production are less, thereby make production cost lower, slide opening is between the first through hole and the second through hole, slide opening is communicated with the second through hole, also can be understood as slide opening and the second through hole and form a step through-hole, back-moving spring one end and annular protrusion offset, the other end of back-moving spring and the transition face of the slide opening step surface that can be understood as back-moving spring and step through-hole that offsets offsets, annular protrusion is for the position of spacing back-moving spring, and structure is simpler.
As preferably, described first inserts is above provided with in the position of slide opening for the block spacing to the second slide block, block is positioned in the travel path of the second slide block, first inserts and the second distance a between inserting is less than the length sum of thickness and second slide block of block, first insert and the second die cavity between maximum distance b be greater than the length sum of thickness and second slide block of block, described block is positioned at a part that can be understood as block in the travel path of the second slide block and is positioned at slide opening, when the second slide block moves horizontally in slide opening, annular protrusion can offset with block, block is for carrying out spacing to the second slide block, prevent the landing from second inserts of the second slide block, make the other end of the second slide block be positioned at all the time the second through hole, first inserts and the second distance a between inserting is less than the length sum of thickness and second slide block of block, for ensureing that the second slide block can not depart from second completely and insert, first insert and the second die cavity between maximum distance b be greater than the length sum of thickness and second slide block of block, ensure that the second slide block can slide in the second through hole and slide opening, structure is simpler.
As preferably, the diameter of described the first through hole is less than the diameter of the first die cavity, described the first slide block comprises front and rear, anterior diameter is greater than the diameter at rear portion, anterior one end is slidably connected in the first die cavity, slide in the first through hole in one end, rear portion, front portion is fixedly connected with rear portion, the rear portion other end and the second slide block offset, the first slide block comprises front and rear, anterior diameter is greater than the diameter at rear portion, can be understood as the first slide block is stepped ramp type structure, because the diameter of the first die cavity is greater than the diameter of the first through hole, and anterior diameter is greater than the diameter at rear portion, make front portion be positioned at the first die cavity and offset with the first end face of inserting, play a spacing effect, one end, rear portion is fixedly connected with front portion, the end face of the other end and the second slide block offsets, structure is simpler.
Brief description of the drawings
Fig. 1 is the structural representation of state before loosing core of a kind of core-pulling mechanism for mould of the utility model.
Fig. 2 is the structural representation of state after loosing core of a kind of core-pulling mechanism for mould of the utility model.
Fig. 3 is the structure for amplifying schematic diagram of A in Fig. 2.
As shown in the figure: 1-the first slide block, 2-the second slide block, 3-annular protrusion, 4-back-moving spring, 5-block, 6-front portion, 7-rear portion, 8-first inserts, and 9-second inserts, 10-the first die cavity, 11-the second die cavity, 12-the first through hole, 13-the second through hole, 14-slide opening.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1 and Figure 2, for a core-pulling mechanism for mould, it comprises skewback core-pulling mechanism and cover half, and described skewback core-pulling mechanism is positioned at cover half one side, cover half is provided with first and inserts and 8 and second insert and 9, the first insert and 8 and second insert on 9 and be respectively equipped with the first die cavity 10 and the second die cavity 11, first inserts 8 is provided with the first through hole 12 in the vertical direction of the first die cavity 10, second inserts 9 is provided with the second through hole 13 in the vertical direction of the second die cavity 11, the axis of the first through hole 12 and the second through hole 13 axially on same straight line, between the first through hole 12 and the second through hole 13, be provided with slide opening 14, it is characterized in that: it also comprises the first slide block 1 and the second slide block 2, described first slide block 1 one end is connected with skewback core-pulling mechanism, skewback core-pulling mechanism can drive the first slide block 1 to move horizontally, first slide block 1 other end is successively through being slidably connected with the first through hole 12 after the first die cavity 10 and the first through hole 12, second slide block 2 one end successively through after the second through hole 13 and the second die cavity 11 with the second insert end face laminating of 9, the second slide block 2 and the second through hole 13 are slidably connected, and the end face of second slide block 2 other ends and the first slide block 1 offset away from one end end face of skewback core-pulling mechanism, the diameter of the diameter of the first through hole 12 and the second through hole 13 is all less than the diameter of slide opening 14, and the second slide block 2 is circumferentially with annular protrusion 3 near the edge, one end of the first slide block 1, and annular protrusion 3 is positioned at slide opening 14, the second slide block 2 is socketed with back-moving spring 4 near the outside, one end of the first slide block 1, and back-moving spring 4 is inserted between 9 at annular protrusion 3 and second, and back-moving spring 4 one end and annular protrusion 3 offset, and the transition face of back-moving spring 4 other ends and slide opening 14 offsets, back-moving spring 4 is in the time of free state, and the other end of the second slide block 2 is in the second through hole 13.
First slide block 1 one end is connected with oblique core-pulling mechanism, first slide block 1 other end is successively through being positioned at slide opening 14 after the first die cavity 10 and the first through hole 12, second slide block 2 one end are positioned at slide opening 14 and offset with the end face of the other end of the first slide block 1, the other end of the second slide block 2 successively through after the second through hole 13 and the second die cavity 11 with the second insert end face laminating of 9, in the time loosing core work, oblique core-pulling mechanism drives the first slide block 1 do the level motion of loosing core, owing to being socketed with back-moving spring 4 on the second slide block 2, make to loose core as level in the process of moving at the first slide block 1, the second slide block 2 under the effect of back-moving spring 4 with the first slide block 1 in the same way do the level motion of loosing core, when the first slide block 1 completes while detaching the first die cavity 10, the first die cavity 10 completes the work of loosing core, and at this moment back-moving spring 4 in free state, the other end of the second slide block 2 departs from the second die cavity 11 and is positioned at the second through hole 13, the second die cavity 11 completes the work of loosing core, the stroke of loosing core of core-pulling mechanism of the present utility model be only the first slide block 1 Core-pulling distance from, well below prior art, make the formation of loosing core shorter, and then make the production cycle shorter, production efficiency is higher, the space that mould takies is less, raw materials for production are less, thereby make production cost lower, slide opening 14 is between the first through hole 12 and the second through hole 13, slide opening 14 is communicated with the second through hole 13, also can be understood as slide opening 14 and the second through hole 13 forms a step through-hole, back-moving spring 4 one end and annular protrusion 3 offset, the transition face of the other end of back-moving spring 4 and slide opening 14 offsets and can be understood as back-moving spring 4 and offset with the step surface of step through-hole, annular protrusion 3 is for the position of spacing back-moving spring 4, and structure is simpler.
Described first inserts on 8 is provided with in the position of slide opening 14 for the block 5 spacing to the second slide block, block 5 is positioned in the travel path of the second slide block 2, first insert 8 and second the distance a inserting between 9 be less than the length sum of thickness and second slide block 2 of block 5, the first 8 and second maximum distance b between die cavity that insert are greater than the length sum of thickness and second slide block 2 of block 5, described block 5 is positioned at a part that can be understood as block 5 in the travel path of the second slide block 2 and is positioned at slide opening 14, when the second slide block 2 moves horizontally in slide opening 14, annular protrusion 3 can offset with block 5, block 5 is for carrying out spacing to the second slide block 2, prevent that the second slide block 2 is from second landing 9 of inserting, make the other end of the second slide block 2 be positioned at all the time the second through hole 13, first insert 8 and second the distance a inserting between 9 be less than the length sum of thickness and second slide block 2 of block 5, for ensureing that the second slide block 2 can not depart from second completely and insert 9, the first 8 and second maximum distance b between die cavity 11 that insert are greater than the length sum of thickness and second slide block 2 of block 5, ensure that the second slide block 2 can be in the second through hole 13 and the interior slip of slide opening 14, and structure is simpler.
The diameter of described the first through hole 12 is less than the diameter of the first die cavity 10, described the first slide block 1 comprises front portion 6 and rear portion 7, anterior 6 diameter is greater than the diameter at rear portion 7, anterior 6 one end are slidably connected in the first die cavity 10, slide in the first through hole 12 in 7 one end, rear portion, anterior 6 are fixedly connected with rear portion 7, rear portion 7 other ends and the second slide block 2 offset, the first slide block 1 comprises front portion 6 and rear portion 7, anterior 6 diameter is greater than the diameter at rear portion 7, can be understood as the first slide block 1 is stepped ramp type structure, because the diameter of the first die cavity 10 is greater than the diameter of the first through hole 12, and anterior 6 diameter is greater than the diameter at rear portion 7, make anterior 6 be positioned at the first die cavity 10 and offset with the first insert end face of 8, play a spacing effect, 7 one end, rear portion are fixedly connected with anterior 6, the end face of the other end and the second slide block 2 offsets, structure is simpler.
Above the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this.If generally speaking those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (3)
1. the core-pulling mechanism for mould, it comprises skewback core-pulling mechanism and cover half, described skewback core-pulling mechanism is positioned at cover half one side, cover half is provided with first and inserts (8) and second insert (9), and first inserts (8) and second insert on (9) and be respectively equipped with the first die cavity (10) and the second die cavity (11), first insert (8) in the vertical direction of the first die cavity (10), be provided with the first through hole (12), second insert (9) in the vertical direction of the second die cavity (11), be provided with the second through hole (13), the axis of the first through hole (12) and the second through hole (13) axially on same straight line, between the first through hole (12) and the second through hole (13), be provided with slide opening (14), it is characterized in that: it also comprises the first slide block (1) and the second slide block (2), described the first slide block (1) one end is connected with skewback core-pulling mechanism, skewback core-pulling mechanism can drive the first slide block (1) to move horizontally, the first slide block (1) other end is successively through being slidably connected with the first through hole (12) after the first die cavity (10) and the first through hole (12), the second slide block (2) one end is successively through fitting with the second end face of inserting (9) after the second through hole (13) and the second die cavity (11), the second slide block (2) is slidably connected with the second through hole (13), and end face and first slide block (1) of the second slide block (2) other end offset away from one end end face of skewback core-pulling mechanism, the diameter of the diameter of the first through hole (12) and the second through hole (13) is all less than the diameter of slide opening (14), and the second slide block (2) is circumferentially with annular protrusion (3) near the edge, one end of the first slide block (1), and annular protrusion (3) is positioned at slide opening (14), the second slide block (2) is socketed with back-moving spring (4) near the outside, one end of the first slide block (1), back-moving spring (4) is positioned at annular protrusion (3) and second and inserts between (9), back-moving spring (4) one end and annular protrusion (3) offset, and the transition face of back-moving spring (4) other end and slide opening (14) offsets, back-moving spring (4) is in the time of free state, and the other end of the second slide block (2) is in the second through hole (13).
2. a kind of core-pulling mechanism for mould according to claim 1, it is characterized in that: described first inserts, and (8) are upper is provided with in the position of slide opening (14) for the block spacing to the second slide block (5), block (5) is positioned in the travel path of the second slide block (2), first inserts (8) and the second distance a inserting between (9) is less than the length sum of thickness and second slide block (2) of block (5), first insert (8) and the second die cavity between maximum distance b be greater than the length sum of thickness and second slide block (2) of block (5).
3. a kind of core-pulling mechanism for mould according to claim 1, it is characterized in that: the diameter of described the first through hole (12) is less than the diameter of the first die cavity (10), described the first slide block (1) comprises front portion (6) and rear portion (7), the diameter of anterior (6) is greater than the diameter of rear portion (7), anterior (6) one end is slidably connected in the first die cavity (10), slide in the first through hole (12) in one end, rear portion (7), anterior (6) are fixedly connected with rear portion (7), and rear portion (7) other end and the second slide block (2) offset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420053021.5U CN203712990U (en) | 2014-01-27 | 2014-01-27 | Core pulling mechanism for mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420053021.5U CN203712990U (en) | 2014-01-27 | 2014-01-27 | Core pulling mechanism for mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203712990U true CN203712990U (en) | 2014-07-16 |
Family
ID=51152183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420053021.5U Expired - Fee Related CN203712990U (en) | 2014-01-27 | 2014-01-27 | Core pulling mechanism for mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203712990U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108748917A (en) * | 2018-05-22 | 2018-11-06 | 浙江工商职业技术学院 | Injection mold with bottom core-pulling mechanism |
-
2014
- 2014-01-27 CN CN201420053021.5U patent/CN203712990U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108748917A (en) * | 2018-05-22 | 2018-11-06 | 浙江工商职业技术学院 | Injection mold with bottom core-pulling mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20200127 |