CN207549351U - The Double-ejection centering block structure of the large and medium-sized mold of automobile - Google Patents
The Double-ejection centering block structure of the large and medium-sized mold of automobile Download PDFInfo
- Publication number
- CN207549351U CN207549351U CN201721655807.4U CN201721655807U CN207549351U CN 207549351 U CN207549351 U CN 207549351U CN 201721655807 U CN201721655807 U CN 201721655807U CN 207549351 U CN207549351 U CN 207549351U
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- CN
- China
- Prior art keywords
- centering block
- push plate
- guide rail
- ejection
- centering
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Abstract
A kind of Double-ejection centering block structure of the large and medium-sized mold of automobile, including centering block, centering block seat, centering block lump and centering block guide rail, centering block seat is fixed in lower push plate, centering block guide rail, which is fixed on core, to be located at right over centering block seat, centering block lower end is set in centering block seat, centering block upper end is connected with centering block guide rail, centering block lump, which is fixed in push plate, to be located on the inside of centering block, centering block upper end forms the extension to offset with centering block lump upper end, the guide rail for placing and sliding up and down for centering block is equipped in centering block guide rail, the epimere of guide rail is the corner segments of outward bending, when ejecting first time, upper push plate drives lower push plate to move up, centering block is moved upward to angular position, the corner segments that centering block enter, which continue to tilt, to be moved up until being detached from centering block lump, centering block and lower push plate stop motion, upper push plate continues to move up second of ejection of completion.It is ingenious that the structure design of the utility model is reasonable, does not need to the structures such as setting spring, can efficiently accomplish each step action, product is made smoothly to demould, improves production efficiency.
Description
Technical field
The utility model belongs to automobile die technology field, is related to a kind of Double-ejection centering block knot of the large and medium-sized mold of automobile
Structure.
Background technology
With the development of car industry, automobile interior exterior decorations product requirement is higher and higher, especially bumper, instrument board, gusset, pair
The design of the medium-and-large-sized product such as instrument board has many times due to structure needs, is needed in mould structure using multiple parting
Depanning requirement can be reached.It is complicated mostly using brute spring and multiple oil cylinders successively structures such as ejection in traditional method, it is raw
It is long to produce the period, while there are clamping stagnation in production and application, opens the hidden danger such as not in time, influences product normally production and product quality
Stabilization.
Through looking into, existing Patent No. CN201420004813.3's《A kind of twice parting heavy type drag hook of medium-and-large-sized mold
Structure》, it is characterised in that：The top of drag hook main body longitudinally offers strip gab, and lower end is fixed on C plates, and the upper end is set
There is the hook portion for bending inwards and offseting with the middle side of B plates；One movable block can be controlled and is movably mounted in the installation cavity of B plates,
Being supported by between the installation cavity of movable block and B plates makes movable block have what protruding always and drag hook main body hook portion was interlockingly connected
Spring；One shifting block, the upper end are fixed on the side of A plates, and lower end is placed in the strip gab of drag hook main body, in the bottom of shifting block
Equipped with the inclined plane part for movable block to be driven to inside contract, which is located at the lower section of movable block, and at regular intervals with movable block.
Although this structure improves to some extent, but using spring structure, there are clamping stagnation in production and application, opens not in time etc. hidden
Suffer from, the stability of production is not ideal enough.
Invention content
Technical problem to be solved in the utility model is to provide a kind of rational in infrastructure, energy for the above-mentioned state of the art
It realizes that product smoothly demoulds, produces the Double-ejection centering block structure of the large and medium-sized mold of automobile stablized.
Technical solution is used by the utility model solves above-mentioned technical problem：A kind of large and medium-sized mold of automobile it is secondary
Centering block structure is ejected, mold includes the core, upper push plate, lower push plate and the floor that set gradually from top to bottom, the ejection of injection molding machine
Stick sequentially passes through floor from down, the lower face of lower push plate and upper push plate offsets, it is characterised in that：The Double-ejection centering block structure packet
Centering block, centering block seat, centering block lump and centering block guide rail are included, wherein centering block seat is fixed in lower push plate, and centering block guide rail is fixed on core
The upper surface for being located at centering block seat, the lower end of centering block are arranged in centering block seat, and upper end and the centering block guide rail of centering block can slide up and down
Ground is connected, and centering block lump is fixed on the inside for being located at centering block in push plate, and the upper end of centering block forms the upper end with centering block lump
The extension that face offsets, centering block guide rail is interior to be equipped with the guide rail for placing and sliding up and down for centering block, and the hypomere of guide rail is vertical section, on
Section is the corner segments of outward bending, and when ejecting first time, upper push plate drives lower push plate to move up and detached with floor, centering block to
On be moved to angular position, when second ejects, the corner segments that centering block enter, which continue to tilt, to be moved up until be detached from centering block lump,
Centering block and lower push plate stop motion, upper push plate continue to move up second of ejection of completion.
As an improvement, the centering block seat is U-shaped, the upper end of centering block seat forms the U-type groove of the lower end plant for centering block, U
The front and rear sides of type groove are laterally offered through pin hole, and the lower end of centering block is equipped with corresponding through-hole, is passed through by a drag hook lateral pin
Pin hole, centering block through-hole the lower end of centering block is rotatably mounted on centering block seat.
As an improvement, the outer radial through pin hole of the centering block seat offers two screw holes diagonally set, two
Positioning that soket head cap screw is screwed into screw hole and the outer end of drag hook lateral pin offsets.
As an improvement, longitudinal direction is recessed with the slot placed for centering block in the middle part of the lateral surface of the centering block guide rail, guide rail is symmetrical
It is recessed before and after slot on inner wall, the upper end of centering block offers the circular hole placed for bushing fixed pin, and bushing is fixed on bushing
The both ends of fixed pin can slide up and down to and be arranged in guide rail.
It improves again, several counterbores is laterally offered on the centering block seat, the side of lower push plate is equipped with corresponding threaded hole, leads to
Cross the side that centering block seat is fixed on lower push plate by screw.
It improves again, the upper lateral of the centering block guide rail offers several installation counterbores and pin hole, the side of core are equipped with
Centering block guide rail is fixed on the side of core by screw, positioning pin by corresponding mounting hole.
Finally, several connection counterbores are longitudinally offered on the centering block lump, the upper surface of upper push plate is close to the one of centering block
Side is equipped with corresponding connecting hole, centering block lump is fixed in upper push plate by screw, the lateral surface of centering block lump and top are just
It is good to offset with centering block.
Compared with prior art, the utility model has the advantage of：Centering block, centering block guide rail and centering block lump, centering block are set
Guide rail epimere in guide rail is the corner segments of outward bending, in this way when ejecting first time, since centering block lump offsets with centering block,
Upper push plate drives centering block, lower push plate to move up and detached with floor, and centering block is moved upward to angular position, is ejected when second
When, the corner segments that centering block enter, which continue to tilt, to be moved up until being detached from centering block lump, and centering block and lower push plate stop motion, above push away at this time
Plate continues to move up second of ejection of completion.The utility model is simple in structure, reasonable design is ingenious, does not need to the knots such as setting spring
Structure can efficiently accomplish the action of each step, product is made smoothly to demould, at the same it is easy for installation, improve production efficiency, it is ensured that the quality of production
Stabilization.
Description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment in closed state；
Fig. 2 is structure diagram of the utility model embodiment under first time ejection state；
Fig. 3 is structure diagram of the utility model embodiment under second of ejection state；
Fig. 4 is the exploded view of the Double-ejection centering block structure of the utility model embodiment.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing embodiment.
As shown in figures 1-4, the Double-ejection centering block structure of the large and medium-sized mold of a kind of automobile, mold include from top to bottom according to
The core B of secondary setting, upper push plate C, lower push plate D and floor E, the ejection stick 30 of injection molding machine sequentially pass through floor E, lower push plate from down
The lower face of D and upper push plate C offset, which leads including centering block 1, centering block seat 2, centering block lump 4 and centering block
Rail 3, wherein centering block seat 2 are U-shaped, and the upper end of centering block seat 2 forms the U-type groove 21 of the lower end plant for centering block 1, outside lower push plate D
Side is equipped with the recess portion being embedded in for the lower part inboard of centering block seat 2, laterally offers front and rear two counterbores 23 on centering block seat 2, under push away
The side of plate D is equipped with corresponding threaded hole, and centering block seat 2 is fixed on to the lateral surface of lower push plate D by two soket head cap screws 10
On, the front and rear sides of the U-type groove 21 of centering block seat 2 are laterally offered through pin hole 22, and the lower end of centering block 1 is equipped with corresponding through-hole
12, pass through the through-hole 12 through pin hole 22, centering block 1 that the lower end of centering block 1 is rotatably mounted to centering block by a drag hook lateral pin 6
In the U-type groove 21 of seat 2, two screw holes diagonally set 24 are offered in the outer radial through pin hole 22 of centering block seat 2, two
Positioning that small soket head cap screw 7 is screwed into screw hole 24 and the outer end of drag hook lateral pin 6 offsets；It is upper that centering block guide rail 3 is fixed on core B
In the surface of centering block seat 2, the upper lateral of centering block guide rail 3 offers several installation counterbores 32 and pin hole 33, the side of core B
Equipped with corresponding mounting hole, centering block guide rail 3 is fixed on to the outside portion of core B by soket head cap screw 8, positioning pin 9, centering block is led
Longitudinal direction is recessed with the slot placed for centering block 1 in the middle part of the lateral surface of rail 3, is symmetrically recessed with for centering block 1 on the front and rear inner wall of slot
The guide rail 31 for placing and sliding up and down, the hypomere of guide rail 31 are vertical section, and epimere is the corner segments 311,1 of outward bending, centering block 1
Upper end offer the circular hole 13 placed for bushing fixed pin 5, bushing 51 is fixed on the both ends of bushing fixed pin 5, can go up downslide
It is arranged on dynamicly in guide rail 31；Centering block lump 4 is fixed on the inside for being located at centering block 1 on push plate C, is longitudinally opened on centering block lump 4
Equipped with 4 connection counterbores 41, the upper surface of upper push plate C is equipped with corresponding connecting hole close to the side of centering block 1, mating by 4
Soket head cap screw 20 centering block lump 4 is fixed on upper push plate C, the upper end of centering block 1 forms the upper surface with centering block lump 4
The extension 11 to offset, the lateral surface of such centering block lump 4 and top just offset with centering block 1, when the ejection stick 30 of injection molding machine
Upwards ejection when, upper push plate C is moved up, since extension 11 and the centering block lump 4 of centering block 1 offset, centering block 1 and under push away
Plate D is moved up therewith.
When mold ejects for the first time, as shown in figure 3, the ejection stick 30 of injection molding machine withstands push plate C, upper push plate C drives
Centering block 1, lower push plate D are moved up, and lower push plate D is detached with floor E, and centering block 1 is moved upward to the angular position of guide rail 31；Centering block
1 continues inclination into corner segments 311 moves up until being detached from centering block lump 4, centering block 1 and lower push plate D stop motions, upper push plate C
Continue to move up under the promotion of the ejection stick 30 of injection molding machine, complete second and eject, as shown in Figure 4.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, under the premise of the utility model technical principle is not departed from, several improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into retouching.
Claims (7)
1. a kind of Double-ejection centering block structure of the large and medium-sized mold of automobile, mold include the core set gradually from top to bottom, on
Push plate, lower push plate and floor, the ejection stick of injection molding machine sequentially passes through floor from down, the lower face of lower push plate and upper push plate offsets,
It is characterized in that：The Double-ejection centering block structure includes centering block, centering block seat, centering block lump and centering block guide rail, and wherein centering block seat is consolidated
It being scheduled in lower push plate, centering block guide rail is fixed on the surface for being located at centering block seat on core, and the lower end of centering block is arranged in centering block seat,
The upper end of centering block can slide up and down to centering block guide rail to be connected, and centering block lump is fixed on the inside for being located at centering block in push plate, pendulum
The upper end of block forms the extension to offset with the upper surface of centering block lump, is equipped with and is placed for centering block and upper downslide in centering block guide rail
Dynamic guide rail, the hypomere of guide rail is vertical section, and epimere is the corner segments of outward bending, and when ejecting first time, upper push plate drives
Lower push plate is moved up to be detached with floor, and centering block is moved upward to angular position, and when ejecting for second, centering block enters corner segments
Continue to tilt and move up until being detached from centering block lump, centering block and lower push plate stop motion, upper push plate continues to move up second of completion
Ejection.
2. Double-ejection centering block structure according to claim 1, it is characterised in that：The centering block seat is U-shaped, centering block seat
Upper end forms the U-type groove of the lower end plant for centering block, and the front and rear sides of U-type groove are laterally offered under pin hole, centering block
End is equipped with corresponding through-hole, and the lower end of centering block is rotatably mounted to by the through-hole for passing through pin hole, centering block by a drag hook lateral pin
On centering block seat.
3. Double-ejection centering block structure according to claim 2, it is characterised in that：The centering block seat runs through the outer of pin hole
Side radially offers two screw holes diagonally set, and two soket head cap screws, which are screwed into offset with the outer end of drag hook lateral pin in screw hole, to be determined
Position.
4. Double-ejection centering block structure according to claim 3, it is characterised in that：In the middle part of the lateral surface of the centering block guide rail
Longitudinal direction is recessed with the slot placed for centering block, and guide rail is symmetrical recessed before and after slot on inner wall, and the upper end of centering block offers confession
The circular hole that bushing fixed pin places, bushing is fixed on the both ends of bushing fixed pin, can slide up and down to and is arranged in guide rail.
5. the Double-ejection centering block structure according to Claims 1-4 any claim, it is characterised in that：The centering block
Several counterbores are laterally offered on seat, and the side of lower push plate is equipped with corresponding threaded hole, centering block seat is fixed on down by screw
The side of push plate.
6. the Double-ejection centering block structure according to Claims 1-4 any claim, it is characterised in that：The centering block
The upper lateral of guide rail offers several installation counterbores and pin hole, and the side of core is equipped with corresponding mounting hole, by screw, determines
Centering block guide rail is fixed on the side of core by position pin.
7. the Double-ejection centering block structure according to Claims 1-4 any claim, it is characterised in that：The centering block
Several connection counterbores are longitudinally offered on lump, the upper surface of upper push plate is equipped with corresponding connecting hole close to the side of centering block, leads to
It crosses screw centering block lump is fixed in upper push plate, the lateral surface of centering block lump and top just offset with centering block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721655807.4U CN207549351U (en) | 2017-12-01 | 2017-12-01 | The Double-ejection centering block structure of the large and medium-sized mold of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721655807.4U CN207549351U (en) | 2017-12-01 | 2017-12-01 | The Double-ejection centering block structure of the large and medium-sized mold of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207549351U true CN207549351U (en) | 2018-06-29 |
Family
ID=62678968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721655807.4U Expired - Fee Related CN207549351U (en) | 2017-12-01 | 2017-12-01 | The Double-ejection centering block structure of the large and medium-sized mold of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207549351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255330A (en) * | 2022-07-26 | 2022-11-01 | 无锡锡南科技股份有限公司 | Passive lower ejection device of metal type low-pressure die |
-
2017
- 2017-12-01 CN CN201721655807.4U patent/CN207549351U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255330A (en) * | 2022-07-26 | 2022-11-01 | 无锡锡南科技股份有限公司 | Passive lower ejection device of metal type low-pressure die |
| CN115255330B (en) * | 2022-07-26 | 2024-05-24 | 无锡锡南科技股份有限公司 | Passive lower ejection device for metal low-pressure mould |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180629 Termination date: 20211201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |