CN104097281A - Mold with fine adjustment mechanism of ejector rod - Google Patents
Mold with fine adjustment mechanism of ejector rod Download PDFInfo
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- CN104097281A CN104097281A CN201410304467.5A CN201410304467A CN104097281A CN 104097281 A CN104097281 A CN 104097281A CN 201410304467 A CN201410304467 A CN 201410304467A CN 104097281 A CN104097281 A CN 104097281A
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- push rod
- slide block
- hole
- mould
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Abstract
The invention discloses a mold with a fine adjustment mechanism of an ejector rod. The mold comprises a mold body, a guide rod, a slide block, the ejector rod, a limiting nut and the fine adjustment mechanism, wherein a cavity is formed in the mold body; one end of the guide rod is fixedly connected with the mold body, and the other free end of the guide rod is coated on and in threaded fitting connection with the limiting nut; the slide block is coated on the guide rod in a sliding manner; one end of the ejector rod is fixed on the slide block, and the other free end of the ejector rod penetrates through the mold body to extend in the cavity, and is driven by the slide block to perform the ejection motion; the fine adjustment mechanism is arranged between the slide block and the limiting nut, and is provided with a projection; and the limiting nut is provided with a plurality of limiting holes corresponding to the projection and having equal gaps. The plurality of limiting holes with the equal gaps are formed in the limiting nut, so that the limiting nut has the corresponding limiting holes to be relatively locked with the projection when being rotated to any angle.
Description
Technical field
The present invention relates to shaped device, be specifically related to a kind of mould with the precise and tiny governor motion of push rod.
Background technology
Existing mould, comprise a die body, one guide post, a slide block, a push rod and a setscrew nut, described die body inside is provided with a die cavity, and described guide post one end is fixedly connected with described die body, and another free end cover is connected with described setscrew nut threaded engagement, described slide block is slidably located on described guide post, described push rod one end is fixedly installed on described slide block, and another free end runs through described die body and stretches in described die cavity, and is driven and ejected motion by described slide block.While using this mould to produce, because type cavity temperature is higher, the easy phenomenon of expanding with heat and contract with cold, make die cavity inwall produce deformation, because setscrew nut is fixedly installed on guide post, the maximum displacement of slide block is immobilized, the free-ended position of push rod also just immobilizes, product surface after moulding is uneven, affects the precision of shaped article, causes product percent of pass to reduce.
Summary of the invention
For solving problems of the prior art, the invention provides a kind of can be by push rod position being carried out to the mould with the precise and tiny governor motion of push rod of precise fine-adjustment, this apparatus structure is simple, by the improvement to adjusting nut, and the effect that is able to push rod to finely tune more accurately.
A kind of mould with the precise and tiny governor motion of push rod of the present invention, comprise a die body, one guide post, one slide block, one push rod, one stop nut and a micro-adjusting mechanism, described die body inside is provided with a die cavity, described guide post one end is fixedly connected with described die body, another free end is connected with described stop nut threaded engagement, described slide block is slidably located on described guide post, described push rod one end is fixedly installed on described slide block, another free end runs through described die body and stretches in described die cavity, and drive and eject motion by described slide block, described micro-adjusting mechanism is arranged between described slide block and described stop nut, wherein, described micro-adjusting mechanism is provided with a projection, described stop nut is provided with the spacing hole that a plurality of and described projection is corresponding and spacing is equal.
Described micro-adjusting mechanism comprises: be arranged on the free-ended groove of described guide post, be provided with slotted eye support set, along diametric(al) extend internally a card column adjusting ring set and be arranged on the spacing hole on described stop nut, described support set is set in the free end of described guide post, the setting corresponding to described groove of described slotted eye, described adjusting ring set is set in support set outside, and described card column matches with described groove through described slotted eye.
Described projection is extended downwards from the end face of described adjusting ring set relative limit nut, and described projection matches with described spacing hole.
Described guide post comprises fixed part, guide part and adjusting portion, the embedded described die body outside that is fixed on of described fixed part, described slide block set is located at described adjusting portion, described adjusting portion is connected with described stop nut threaded engagement, the diameter of described adjusting portion is less than the diameter of described guide part, and the junction of described adjusting portion and described guide part forms cascaded surface.
Described die body is provided with a through hole, and described through hole runs through the outer face of described die body and the inwall of described die cavity, and the free end of described push rod stretches in described through hole, and with described through hole near one end of described die cavity inwall sealing that matches.
During described die body maximum displacement place of described slide block distance, the free end end face of described push rod is concordant with described die cavity inwall.
Between described slide block and described guide post, by guide pin bushing, connect, described guide pin bushing is fixed on described slide block by fastening bolt.
The fluting of described spacing hole for caving inward from described stop nut outer rim
Described spacing hole is through hole or blind hole.
Angular separation between described spacing hole is equal, and the angular separation defining between described spacing hole is R, R*N=360 degree, and N is natural number.
The invention discloses a kind of mould with the precise and tiny governor motion of push rod, by the spacing hole that a plurality of spacing are equal is set on stop nut, make stop nut when rotated, can regulate more accurately push rod free end position.And avoided being only provided with in a spacing hole situation, stop nut must rotate the problem that complete cycle could lock with adjusting ring set.
Accompanying drawing explanation
Fig. 1 is the profile with the mould of the precise and tiny governor motion of push rod of the present invention;
Fig. 2 is the structural representation of guide post in Fig. 1;
Fig. 3 is the part sectioned view of slide block in Fig. 1;
Fig. 4 is the cutaway view of guide pin bushing in Fig. 1;
Fig. 5 is the top view of guide pin bushing in Fig. 1;
Fig. 6 is the top view of stop nut in Fig. 1;
Fig. 7 is the enlarged diagram at A place in Fig. 1;
Fig. 8 is the top view of support set in Fig. 1;
Fig. 9 is the cutaway view of support set in Fig. 1;
Figure 10 regulates the top view of ring set in Fig. 1.
The specific embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated, be to be understood that, specific embodiment described herein only, in order to explain the present invention, is not intended to limit the present invention.
With reference to Fig. 1, the invention provides a kind of mould with the precise and tiny governor motion of push rod, it comprises a die body 1, a guide post 2, a slide block 3, the first push rod 4, the second push rod 5, a micro-adjusting mechanism 6 and a stop nut 7.
As depicted in figs. 1 and 2, described die body 1 inside is provided with a die cavity 11, and this die body 1 outside is provided with the first through hole 12, the second through hole 13 and holddown groove 14, and described the first through hole 12 is connected with described die body 1 inner side, and described the second through hole 13 is connected with described die cavity 11.
Described guide post 2 comprises a fixed part 21, a guide part 22 and an adjusting portion 23, described guide part 22 is connected between described fixed part 21 and described adjusting portion 23, described fixed part 21 is all less than described guide part 22 with the diameter of described adjusting portion 23, and described adjusting portion 23 forms a cascaded surface 24 with the junction of described guide part 22.Meanwhile, described adjusting portion 23 is provided with a groove 231 extending along guide post 2 central axis directions, and the end of close described groove 231 is provided with external screw thread 232.
From Fig. 1, Fig. 3 to Fig. 5, described slide block 3 comprises a upper surface 301 and a lower surface 302, and described upper surface 301 is corresponding with described die body 1.Described slide block 3 is provided with return hole 31, pilot hole 32 and the jogger hole 33 being communicated with described upper surface 301 and described lower surface 302.Described pilot hole 32 is arranged between described return hole 31 and jogger hole 33, and described return hole 31 and jogger hole 33 are provided with shoulder hole 34 near one end of described lower surface 302.The bore dia of described shoulder hole 34 and described lower surface 302 is greater than the bore dia of described return hole 31 and jogger hole 33 and described upper surface 301.Described slide block 3 also comprises a guide pin bushing 35 and catch 36, is enclosed within described pilot hole 32 in described guide pin bushing 35, and an outer rim 351 is extended on its top.The upper surface of slide block 3 described in described outer rim 351 butts, described outer rim 351 is provided with a plurality of screws 352.Described guide pin bushing 35 is fixed on described slide block 3 by bolt 37, and described catch 36 is connected to the lower surface 302 of described slide block 3 by bolt 37.
As can be seen from Figure 1, described the first push rod 4 comprises the body of rod 41 and rod end 42, and the described body of rod 41 diameters are less than rod end 42 diameters, and the described body of rod 41 forms a cascaded surface with the junction of described rod end 42.Described push rod 5 also comprises the body of rod 51 and rod end 52, and the described body of rod 51 diameters are less than rod end 52 diameters, and the described body of rod 51 forms a cascaded surface with the junction of described rod end 52.The number that is appreciated that described push rod is not limit, and can arrange according to practical application, can be two, can be many yet.
As shown in Figure 6, described stop nut 7 is provided with a plurality of spacing holes 71, described spacing hole 71 is along the central axis direction setting of described stop nut 7, the inwall of described stop nut 7 is provided with the internal thread matching with the external screw thread 232 of described guide post adjusting portion 23 end settings, meanwhile, the outer rim of described stop nut 7 is symmetrical arranged.Conventionally, this stop nut 7 is nonstandard nut, and its outer rim is circular, and for easy to adjust, its outer rim can be provided with symmetrical trimming.
From Fig. 7 to Figure 10, described micro-adjusting mechanism 6 comprises; The spacing hole 71 arranging on the groove 231 arranging in guide post adjusting portion 23, support set 61, adjusting ring set 62 and stop nut 7.The fluting of described spacing hole 71 for caving inward from described stop nut 7 outer rims, also can be through hole or blind hole.For easy to process, the spacing hole 71 in the present embodiment is through hole.For ease of adjustable range, calculate, the angular separation between described spacing hole 71 is equal, and preferably, the angular separation defining between described spacing hole 71 is R, R*N=360 degree, and N is natural number.In the present embodiment, the angular separation between described spacing hole 71 is 40 degree.
Described support set 61 comprises 611He bottom, top 612, the cascaded surface 24 of guide post guide part 22 and adjusting portion 23 junctions described in 611 butts of described top, and described bottom 612 is provided with a bar shape trench hole 613, with the corresponding setting of groove 231 of described adjusting portion.Described adjusting ring set 62 is sleeved on the bottom 612 of described support set, a card column 621 is extended along diametric(al) in its inner side, described card column 621 matches with described groove 231 through slotted eye 613, make to regulate ring set 62 to slide up and down along groove 231, limited adjusting ring set 62 simultaneously and rotated around described adjusting portion 23.One side end face of described adjusting ring set 62 relative limit nuts 7 is provided with a projection 622, and described projection 622 matches with the spacing hole 71 arranging on stop nut 7, to described stop nut 7 positioning and lockings.
As shown in Figure 1, the fixed part 21 of described guide post 2 is fixedly installed in the holddown groove 14 of described die body, described slide block 3 is set on the guide part 22 of described guide post by described pilot hole 32, between described guide part 22 and described pilot hole 32, be also provided with guide pin bushing 35, by setting up guide pin bushing 35, can avoid direct friction between slide block 3 and guide post 2, reduce the friction loss percentage of device, improved the service life of device.Described return bar the first push rod 4 and described push rod 5 are sleeved on respectively in the return hole 31 and jogger hole 33 of described slide block 3 from bottom to top, its rod end 42 and rod end 52 are connected to respectively in the shoulder hole 34 of described return hole 31 and jogger hole 33, and concordant with the lower surface of described slide block 3, described catch 36 is connected to shoulder hole 34 outsides, and it is sealed.The free end of described return bar the first push rod 4 and described push rod 5 second push rods 5 stretches into respectively in first through hole 12 and the second through hole 13 of described die body 1.When described die body 1 maximum displacement place of described slide block 3 distance, the free end of described return bar the first push rod 4 is concordant with the medial surface of described die body 1, the free end of described push rod 5 second push rods 5 is concordant with the inwall of described die cavity 11 and closely cooperate, and the inwall of die cavity 11 is sealed.Described micro-adjusting mechanism 6 is set in the adjusting portion 23 of described guide post 2, the free end of described adjusting portion 23 and the 7 threaded engagement settings of described stop nut, described micro-adjusting mechanism 6 is by regulating moving up and down of ring set 7, to described stop nut 7 positioning and lockings, make the fine position change of relative die cavity 2 inwalls of push rod 5 second push rod 5 free end, when solution die cavity 2 inwalls cause deformation because expanding with heat and contract with cold, the position of push rod 5 second push rods 5 cannot be adjusted, product surface after moulding is uneven, has affected the problem of shaped article qualification rate.
When regulating ring set 62 upward slidings, projection 622 departs from spacing hole 71, stop nut 7 is done rotatablely moving away from die body 1 around the adjusting portion 23 of guide post 2, make slide block 4 that upper and lower displacement occur, be fixedly installed on the also and then slide block 4 generation upper and lower displacements of push rod 5 second push rods 5 on slide block 4, by the maximum displacement between adjusting slider 4 and die body 1, and then finely tune the position of relative die cavity 2 inwalls of the free end that makes the second push rod 5, because stop nut 7 is provided with a plurality of spacing holes corresponding with projection 622 71, so it is arbitrarily angled that stop nut 7 rotates to, there are corresponding spacing hole 71 and projection 622 relative engagement, stop nut 7 is locked, make the adjusting of 6 pairs of push rods of micro-adjusting mechanism more accurate.Therefore, after stop nut 7 fine setting rotations are arbitrarily angled, regulate ring set 62 down slidings, projection 622 is fallen in spacing hole 71, stop nut 7 is positioned to locking, avoid stop nut 7 in process of production autorotation change the maximum displacement of slide block 4 and die body 1, the free end of the second push rod 5 and the relative position of die cavity 2 inwalls are changed, destroy the sealing of 5 pairs of die cavities 2 of the second push rod, improved the stability of device.
The invention discloses a kind of mould with the precise and tiny governor motion of push rod, by the spacing hole 71 that a plurality of spacing are equal is set on stop nut 7, make stop nut 7 when rotated, can regulate more accurately the second push rod 5 free end positions, avoided being only provided with in a spacing hole situation, stop nut 7 must rotate the problem that complete cycle could lock with adjusting ring set 62, the outer rim of stop nut 7 is symmetrical arranged simultaneously, and stop nut 7 can be finely tuned with the turn that external key better coordinates.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a mould with the precise and tiny governor motion of push rod, comprise a die body, one guide post, one slide block, one push rod, one stop nut and a micro-adjusting mechanism, described die body inside is provided with a die cavity, described guide post one end is fixedly connected with described die body, another free end is connected with described stop nut threaded engagement, described slide block is slidably located on described guide post, described push rod one end is fixedly installed on described slide block, another free end runs through described die body and stretches in described die cavity, and drive and eject motion by described slide block, described micro-adjusting mechanism is arranged between described slide block and described stop nut, wherein, described micro-adjusting mechanism is provided with a projection, described stop nut is provided with the spacing hole that a plurality of and described projection is corresponding and spacing is equal.
2. the mould with the precise and tiny governor motion of push rod according to claim 1, described micro-adjusting mechanism comprises: be arranged on the free-ended groove of described guide post, be provided with slotted eye support set, along diametric(al) extend internally a card column adjusting ring set and be arranged on the spacing hole on described stop nut, described support set is set in the free end of described guide post, the setting corresponding to described groove of described slotted eye, described adjusting ring set is set in support set outside, and described card column matches with described groove through described slotted eye.
3. the mould with the precise and tiny governor motion of push rod according to claim 3, described projection is extended downwards from the end face of described adjusting ring set relative limit nut, and described projection matches with described spacing hole.
4. there is according to claim 3 the mould of the precise and tiny governor motion of push rod, described guide post comprises fixed part, guide part and adjusting portion, the embedded described die body outside that is fixed on of described fixed part, described slide block set is located at described adjusting portion, described adjusting portion is connected with described stop nut threaded engagement, the diameter of described adjusting portion is less than the diameter of described guide part, and the junction of described adjusting portion and described guide part forms cascaded surface.
5. there is according to claim 4 the mould of the precise and tiny governor motion of push rod, described die body is provided with a through hole, described through hole runs through the outer face of described die body and the inwall of described die cavity, the free end of described push rod stretches in described through hole, and with described through hole near one end of described die cavity inwall sealing that matches.
6. have according to claim 5 the mould of the precise and tiny governor motion of push rod, during described die body maximum displacement place of described slide block distance, the free end end face of described push rod is concordant with described die cavity inwall.
7. have according to claim 6 the mould of the precise and tiny governor motion of push rod, between described slide block and described guide post, by guide pin bushing, connect, described guide pin bushing is fixed on described slide block by fastening bolt.
8. there is according to claim 1 the mould of the precise and tiny governor motion of push rod, the fluting of described spacing hole for caving inward from described stop nut outer rim.
9. have according to claim 1 the mould of the precise and tiny governor motion of push rod, described spacing hole is through hole or blind hole.
10. have according to claim 1 the mould of the precise and tiny governor motion of push rod, the angular separation between described spacing hole is equal, and the angular separation defining between described spacing hole is R, R*N=360 degree, and N is natural number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410304467.5A CN104097281B (en) | 2014-06-30 | 2014-06-30 | There is the mould of the precise and tiny governor motion of push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410304467.5A CN104097281B (en) | 2014-06-30 | 2014-06-30 | There is the mould of the precise and tiny governor motion of push rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104097281A true CN104097281A (en) | 2014-10-15 |
| CN104097281B CN104097281B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410304467.5A Active CN104097281B (en) | 2014-06-30 | 2014-06-30 | There is the mould of the precise and tiny governor motion of push rod |
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| CN (1) | CN104097281B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107953515A (en) * | 2017-11-16 | 2018-04-24 | 深圳市优创兴电子科技有限公司 | Liquid-state silicon gel in-mould injection molding die |
| CN113199707A (en) * | 2021-05-18 | 2021-08-03 | 龚晓平 | Die with adjustable grooving depth for plastic part production |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003291185A (en) * | 2002-04-05 | 2003-10-14 | Toshiba Mach Co Ltd | Extrusion unit for injection molding machine |
| CN201427371Y (en) * | 2009-05-14 | 2010-03-24 | 嘉兴信元精密模具科技有限公司 | Obliquely-ejecting universal head with adjustable height |
| CN203141788U (en) * | 2013-02-28 | 2013-08-21 | 长城汽车股份有限公司 | Adjustable ejector rod structure for injection mold |
| CN204222038U (en) * | 2014-06-30 | 2015-03-25 | 宁波凯利机械模具有限公司 | There is the mould of the precise and tiny governor motion of push rod |
-
2014
- 2014-06-30 CN CN201410304467.5A patent/CN104097281B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003291185A (en) * | 2002-04-05 | 2003-10-14 | Toshiba Mach Co Ltd | Extrusion unit for injection molding machine |
| CN201427371Y (en) * | 2009-05-14 | 2010-03-24 | 嘉兴信元精密模具科技有限公司 | Obliquely-ejecting universal head with adjustable height |
| CN203141788U (en) * | 2013-02-28 | 2013-08-21 | 长城汽车股份有限公司 | Adjustable ejector rod structure for injection mold |
| CN204222038U (en) * | 2014-06-30 | 2015-03-25 | 宁波凯利机械模具有限公司 | There is the mould of the precise and tiny governor motion of push rod |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107953515A (en) * | 2017-11-16 | 2018-04-24 | 深圳市优创兴电子科技有限公司 | Liquid-state silicon gel in-mould injection molding die |
| CN113199707A (en) * | 2021-05-18 | 2021-08-03 | 龚晓平 | Die with adjustable grooving depth for plastic part production |
| CN113199707B (en) * | 2021-05-18 | 2023-03-14 | 永邦智创科技(深圳)有限公司 | Die with adjustable grooving depth for plastic part production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104097281B (en) | 2016-08-24 |
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