CN217196667U - Supporting structure for preventing guide pillar of needle plate from deforming - Google Patents
Supporting structure for preventing guide pillar of needle plate from deforming Download PDFInfo
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- CN217196667U CN217196667U CN202123387573.9U CN202123387573U CN217196667U CN 217196667 U CN217196667 U CN 217196667U CN 202123387573 U CN202123387573 U CN 202123387573U CN 217196667 U CN217196667 U CN 217196667U
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- guide pillar
- needle plate
- guide post
- shaping
- groove
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to the technical field of molds, in particular to a supporting structure for preventing a needle plate guide pillar from deforming, wherein a lower mold component comprises an ejector plate and a bottom needle plate, a guide pillar hole is coaxially formed between the ejector plate and the bottom needle plate, a guide pillar sleeve is nested in the guide pillar hole of the bottom needle plate, a positioning guide pillar which is pushed to the top of the ejector plate is inserted at the bottom of the bottom needle plate, a plurality of barb grooves are formed on the outer side wall of the positioning guide pillar, an inclined chute communicated to the guide pillar hole is formed in the ejector plate in an inclined manner, a supporting slide block is arranged in the inclined chute in a sliding manner, and the bottom end of the supporting slide block is connected with an elastic component which pushes the top of the supporting slide block to be matched with the barb grooves of the side wall of the positioning guide pillar; when moulding plastics, when the positioning guide pillar receives instantaneous pressure, whole can push down, and the elastic component who is located the supporting slide terminal can carry out elastic support to it, cushions the support to the positioning guide pillar, cushions the support to reduce the probability that the positioning guide pillar warp, reduce the phenomenon emergence that the positioning guide pillar burns out.
Description
Technical Field
The utility model relates to the technical field of mold, especially, relate to a bearing structure for preventing faller guide pillar warp.
Background
Injection molds are tools used in mass production of certain complex-shaped parts. Once the large parts need to be injection molded, the volume of the required mold is increased
The existing flip-chip mold structure needs the lengthened supporting leg to increase the guide pillar, so the thickness of the mold can be increased, the tonnage of the injection molding machine is larger, the supporting guide pillar is easy to deform when being subjected to instantaneous gravity, and the abnormal sound of the opening and closing mold causes the guide pillar to be burned.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bearing structure for preventing faller guide pillar warp to prior art's not enough.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a bearing structure for preventing faller guide pillar warp, including last mould subassembly and lower mould subassembly, it includes the last moulding board and the last mould die cavity of shaping in last moulded board bottom to go up the mould, lower mould subassembly includes thimble board and end needle board, coaxial shaping has the guide post hole between thimble board and the end needle board, the downthehole nestification of guide post of its middle needle board has the guide post cover, the bottom needle board bottom has inserted the positioning guide pillar that pushes up to thimble board top, the shaping of positioning guide pillar lateral wall has a plurality of barb grooves, the shaping of inclining in the thimble board has the slope spout that communicates to the guide post hole, slidable mounting has the supporting shoe in the slope spout, the supporting shoe bottom is connected with right the supporting shoe top pushes away to the barb groove complex elastic component with the positioning guide pillar lateral wall.
Further: the length of end faller is greater than the length of thimble board, and end faller has the slip recess along the width direction shaping to slidable mounting has the supporting seat in the slip recess, and the direction sliding sleeve that extends to the slope spout is installed in the slope of supporting seat top.
Further: the elastic component is a compression spring, the bottom end of the guide sliding sleeve is fixedly provided with an installation block, one end of the compression spring is connected to the top of the installation block, and the other end of the compression spring is connected to the bottom of the supporting sliding block.
Further: thimble board lateral wall shaping has with the coaxial complex mounting groove of direction sliding sleeve, and the coaxial embedding in direction sliding sleeve top is to the mounting groove in, and direction sliding sleeve bottom shaping has the connecting groove who supplies the embedding of bottom connecting block, and connecting groove one end level runs through to the supporting seat edge.
And further: the bottom of the supporting seat is concavely provided with a bottom groove along the length direction, and the top of the bottom needle plate is provided with a convex sliding block which is in sliding fit with the bottom groove along the width direction.
Further: the cross-sectional shape in barb groove is right triangle, right triangle's hypotenuse inclination is the same with the inclination of slope spout, and the cross-sectional shape at support slider top is right triangle.
And further: and a chamfer is formed at the top of the positioning guide pillar, and the inclination angle of the chamfer is the same as that of the bevel edge of the right-angled triangle.
The utility model has the advantages that: the utility model discloses a bearing structure for preventing faller guide pillar warp, when moulding plastics, when the location guide pillar received instantaneous pressure, whole meeting pushed down, and the elastic component who is located the support block end can carry out elastic support to it, cushions the support to the location guide pillar, cushions the support to reduce the probability that the location guide pillar warp, reduce the phenomenon emergence that the location guide pillar burns out.
Drawings
Fig. 1 is a schematic structural view of a mold.
FIG. 2 is a schematic cross-sectional view of a mold, including a support structure.
Fig. 3 is a partially enlarged schematic view of fig. 2.
The reference numerals include:
1-upper die assembly,
11-positioning guide posts, 12-guide holes, 13-upper die pressing plate, 14-upper die cavity,
2-a lower die component,
21-ejector pin plate, 22-bottom pin plate, 23-guide post hole, 24-guide post sleeve,
25-barb groove, 26-chamfer, 27-positioning guide post,
3-supporting the sliding block,
31-inclined chute, 32-mounting groove, 33-guide sliding sleeve, 34-mounting block, 35-compression spring,
4-a supporting seat,
41-sliding groove, 42-bottom groove, 43-convex sliding block,
44-connecting groove, 45-bottom connecting block.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, a supporting structure for preventing a needle plate guide post from being deformed includes an upper mold assembly 1 and a lower mold assembly 2, which are closely attached through a positioning guide post 11 and a guide hole 12, and the upper mold assembly 1 includes an upper mold platen 13 and an upper mold cavity 14 formed at the bottom of the upper mold platen 13 for forming the shape of a product in cooperation with the lower mold assembly 2.
The lower die assembly 2 comprises an ejector plate 21 and a bottom plate 22, a guide post hole 23 is coaxially formed between the ejector plate 21 and the bottom plate 22, a guide post sleeve 24 is embedded in the guide post hole 23 of the bottom plate 22, a positioning guide post 27 which is pushed to the top of the ejector plate 21 is inserted into the bottom of the bottom plate 22, a plurality of barb grooves 25 are formed in the outer side wall of the positioning guide post 27, an inclined sliding groove 31 communicated with the guide post hole 23 is formed in the ejector plate 21 in an inclined mode, a supporting slide block 3 is installed in the inclined sliding groove 31 in a sliding mode, and the bottom end of the supporting slide block 3 is connected with an elastic assembly which pushes the top of the supporting slide block 3 to be matched with the barb grooves 25 in the side wall of the positioning guide post 27.
During injection molding, when the positioning guide pillar 27 is subjected to instantaneous pressure, the whole body can be pressed downwards, when the positioning guide pillar 27 is pressed downwards, the positioning guide pillar 27 can be pressed downwards in the guide pillar hole 23, the supporting slide block 3 embedded with the barb groove 25 on the side wall of the positioning guide pillar 27 is simultaneously pressed downwards along the inclined sliding groove 31 in an inclined manner, the elastic component at the tail end of the supporting slide block 3 can elastically support the supporting slide block, the positioning guide pillar 27 is buffered and supported, the buffering and supporting are carried out, the probability of deformation of the positioning guide pillar 27 is reduced, and the phenomenon that the positioning guide pillar 27 is burned down is reduced.
Preferably, the number of the positioning guide pillars 27 is more than 2, each group of positioning guide pillars 27 is connected with a supporting slider 3, the elastic component is a compression spring 35, and when the positioning guide pillars 27 are not subjected to longitudinal pressure, the elastic force of the compression spring 35 pushes the supporting slider 3 into the guide pillar hole 23 along the inclined sliding groove 31 to be matched with the barb groove 25 of the positioning guide pillar 27 in place, so as to support the inclined sliding groove. When the cushion is stressed longitudinally, the cushion can be supported.
The length of the bottom needle plate 22 is greater than that of the ejector needle plate 21, a sliding groove 41 is formed in the bottom needle plate 22 along the width direction, a supporting seat 4 is installed in the sliding groove 41 in a sliding mode, a bottom groove 42 is formed in the bottom of the supporting seat 4 in a concave mode along the length direction, and a protruding sliding block 43 in sliding fit with the bottom groove 42 is formed in the top of the bottom needle plate 22 along the width direction; the supporting seat 4 is in sliding fit with the sliding groove 41 of the bottom needle plate 22, and is in sliding fit with the bottom groove 42 in the sliding groove 41, so that the sliding fit stability of the supporting seat 4 is further improved.
The top of the supporting seat 4 is obliquely provided with a guide sliding sleeve 33 extending to the oblique sliding chute 31; the guide sliding bush 33 has the same function as the inclined sliding groove 31, and is used for the support sliding block 3 to do linear motion, in addition, the bottom end of the guide sliding bush 33 is fixed with the mounting block 34, the bottom of the guide sliding bush 33 is formed with an opening with a cross-sectional area larger than that of the mounting block 34, one end of the compression spring 35 is connected to the top of the mounting block 34, and the other end of the compression spring is connected to the bottom of the support sliding block 3, so that the elastic direction of the compression spring 35 is linear, and the support stability is better.
When the installation is needed, the supporting sliding block 3 connected with the compression spring 35 and the installation block 34 is embedded into the guide sliding sleeve 33, the installation block 34 is aligned with the opening, and the installation block 34 is installed at the bottom of the guide sliding sleeve 33 through screws, so that the installation block 34 is fixed; after the supporting sliding block 3 is installed, the top of the guiding sliding sleeve 33 is embedded into the installation groove 32, and the guiding sliding sleeve 33 is coaxially aligned and communicated with the inclined sliding groove 31, so that the supporting sliding block 3 can be matched with the positioning guide pillar 27 in the guide pillar hole 23 along the inclined sliding groove 31. Subsequently, the support seat 4 slides along the bottom needle plate 22, so that the bottom connecting block 45 of the guide sliding sleeve 33 is slidably embedded with the connecting groove 44 at the top of the support seat 4, and the guide sliding sleeve 33 is supported and positioned to prevent displacement.
The cross-sectional shape in barb groove 25 is right triangle, right triangle's hypotenuse inclination is the same with slope spout 31's inclination, and the cross-sectional shape at support slider 3 top is right triangle for support slider 3 can cooperate with positioning guide pillar 27 better after entering into barb groove 25, reduces the reservation in clearance, and positioning guide pillar 27 receives longitudinal pressure when, and support slider 3 can slide in slope spout 31 well, effectively cooperates compression spring 35 to cushion the support.
A chamfer 26 is formed at the top of the positioning guide pillar 27, and the inclination angle of the chamfer 26 is the same as the inclination angle of the bevel edge of the right triangle; the supporting slide block 3 is assembled in advance, when the positioning guide pillar 27 is inserted into the bottom needle plate 22, the chamfer 26 at the top is in sliding fit with the supporting slide block 3, the supporting slide block 3 can retract along the inclined sliding groove 31, and the barb groove 25 is just communicated with the inclined sliding groove 31 to embed the supporting slide block 3 to realize elastic support until the positioning guide pillar 27 is in place.
In addition, the shaping of bottom needle board 22 bottom has the bottom hole, and the downthehole guide post of installing of bottom has nested supporting spring in the guide post periphery, and the bottom plate supports bottom needle board 22 for thimble board 21 and bottom needle board 22 are when the buffering goes up and down, and location guide pillar 27 is the same buffering thereupon, and the deformation that reduces location guide pillar 27 burns out the phenomenon and takes place.
In conclusion, the present invention has the above-mentioned excellent characteristics, so that it can be used to enhance the effectiveness of the prior art and has practicability, and thus it is a product with practical value.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (7)
1. The utility model provides a bearing structure for preventing faller guide pillar warp, includes mould assembly and lower mould assembly, its characterized in that: go up the mould and include top platen and shaping last mould die cavity in last mould platen bottom, lower mould subassembly includes thimble board and end needle board, coaxial shaping has the guide post hole between thimble board and the end needle board, the downthehole nested guide post cover that has of guide post in its middle thimble board, the bottom needle board bottom has inserted the location guide pillar of top to thimble board top, the shaping of location guide pillar lateral wall has a plurality of barb grooves, the shaping of inclining in the thimble board has the slope spout that communicates to the guide post hole, slidable mounting has supporting shoe in the slope spout, the supporting shoe bottom is connected with right the supporting shoe top pushes away to the barb groove complex elastic component with location guide pillar lateral wall.
2. A support structure for preventing deformation of a needle plate guide post according to claim 1, wherein: the length of end faller is greater than the length of thimble board, and end faller has the slip recess along the width direction shaping to slidable mounting has the supporting seat in the slip recess, and the direction sliding sleeve that extends to the slope spout is installed in the slope of supporting seat top.
3. A support structure for preventing deformation of a needle plate guide post according to claim 2, wherein: the elastic assembly is a compression spring, the bottom end of the guide sliding sleeve is fixedly provided with an installation block, one end of the compression spring is connected to the top of the installation block, and the other end of the compression spring is connected to the bottom of the supporting sliding block.
4. A support structure for preventing deformation of a needle plate guide post according to claim 3, wherein: ejector plate lateral wall shaping has with the coaxial complex mounting groove of direction sliding sleeve, and the coaxial embedding in direction sliding sleeve top is to the mounting groove in, and direction sliding sleeve bottom shaping has the bottom connecting block, and supporting seat top shaping has the connecting groove who supplies the embedding of bottom connecting block, and connecting groove one end level runs through to the supporting seat edge.
5. The support structure for preventing the deformation of a needle plate guide post as set forth in claim 4, wherein: the bottom of the supporting seat is concavely provided with a bottom groove along the length direction, and the top of the bottom needle plate is provided with a convex sliding block which is in sliding fit with the bottom groove along the width direction.
6. A support structure for preventing a needle plate guide post from being deformed as claimed in any one of claims 1 to 5, wherein: the cross-sectional shape in barb groove is right triangle, right triangle's hypotenuse inclination is the same with the inclination of slope spout, and the cross-sectional shape at support slider top is right triangle.
7. A support structure for preventing deformation of a needle plate guide post according to claim 6, wherein: and a chamfer is formed at the top of the positioning guide pillar, and the inclination angle of the chamfer is the same as the inclination angle of the bevel edge of the right-angled triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123387573.9U CN217196667U (en) | 2021-12-30 | 2021-12-30 | Supporting structure for preventing guide pillar of needle plate from deforming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123387573.9U CN217196667U (en) | 2021-12-30 | 2021-12-30 | Supporting structure for preventing guide pillar of needle plate from deforming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217196667U true CN217196667U (en) | 2022-08-16 |
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ID=82788149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123387573.9U Active CN217196667U (en) | 2021-12-30 | 2021-12-30 | Supporting structure for preventing guide pillar of needle plate from deforming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217196667U (en) |
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2021
- 2021-12-30 CN CN202123387573.9U patent/CN217196667U/en active Active
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