CN213166597U - Tubular injection mold - Google Patents
Tubular injection mold Download PDFInfo
- Publication number
- CN213166597U CN213166597U CN202021605791.8U CN202021605791U CN213166597U CN 213166597 U CN213166597 U CN 213166597U CN 202021605791 U CN202021605791 U CN 202021605791U CN 213166597 U CN213166597 U CN 213166597U
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- CN
- China
- Prior art keywords
- fine positioning
- positioning strip
- movable
- guide
- width
- Prior art date
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Links
- 238000002347 injection Methods 0.000 title claims abstract description 17
- 239000007924 injection Substances 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
Abstract
The utility model relates to the field of molds and discloses a tubular injection mold, which comprises a fixed mold plate, a push plate and a movable mold plate, wherein a guide pillar is fixed on the movable mold plate, and the upper end of the guide pillar is sequentially inserted into a first guide sleeve arranged on the push plate and a second guide sleeve arranged on the fixed mold plate; a ball bushing is arranged between the guide pillar and the first guide sleeve; the end part of the movable template is provided with a fine positioning strip, and the upper end part of the fine positioning strip extending out of the movable template is inserted on the push plate and the fixed template; two first wear-resistant blocks positioned at the left side and the right side of the fine positioning strip are embedded in the first positioning groove on the push plate, and the width of the two first wear-resistant blocks plus the width of the fine positioning strip is equal to the width of the first positioning groove; two second wear-resisting blocks located at the left side and the right side of the fine positioning strip are embedded in a second positioning groove in the fixed die plate, and the width of the two second wear-resisting blocks plus the width of the fine positioning strip is equal to the width of the second positioning groove. In this way, the utility model discloses can have higher positioning accuracy, solve the problem that eccentric, wearing and tearing strain that original mould exists.
Description
Technical Field
The utility model relates to the field of molds, especially, relate to a tubular injection mold.
Background
In the high-cavity slender tubular mold, because each template of the high-cavity slender tubular mold is processed independently, processing errors can exist between the precise positioning grooves and the guide pillars and the guide sleeves among the templates, and the more the templates are, the larger the accumulated error is, the poor positioning accuracy between the guide pillars and the guide sleeves can cause product eccentricity, the longer the product is, the higher the cavity number is, the more the eccentricity is, and the worse the product consistency is. In addition, when a push plate of the high-cavity elongated tubular mold is ejected, the guide pillar and the guide sleeve are easily worn and damaged due to unbalance of the push plate and direct friction between the guide pillar and the guide sleeve, so that the fit clearance is too large and the positioning function is lost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a tubulose injection mold, can have higher positioning accuracy between each template, has solved the problem that eccentric, wearing and tearing strain that original mould exists.
In order to solve the technical problem, the utility model discloses a technical scheme be: providing a tubular injection mold, which comprises a fixed mold plate, a push plate and a movable mold plate, wherein a plurality of guide pillars are vertically fixed on the movable mold plate, a first guide sleeve is fixedly embedded in a position, corresponding to the guide pillars, on the push plate, a second guide sleeve is fixedly embedded in a position, corresponding to the guide pillars, on the fixed mold plate, and the upper ends of the guide pillars are sequentially inserted into the first guide sleeve and the second guide sleeve; a ball bushing is arranged between the guide pillar and the first guide sleeve; a fine positioning strip is fixedly embedded at the end part of the movable template and is perpendicular to the movable template, and the fine positioning strip extends out of the upper end part of the movable template and is sequentially inserted on the push plate and the fixed template; the first positioning groove for the fine positioning strip to insert in is wider than the fine positioning strip, two first wear-resistant blocks are fixedly embedded in the first positioning groove and symmetrically positioned on the left side and the right side of the fine positioning strip, and the width of the two first wear-resistant blocks plus the width of the fine positioning strip is equal to the width of the first positioning groove; the second positioning groove for inserting the fine positioning strip is wider than the fine positioning strip on the fixed template, two second wear-resistant blocks are fixedly embedded in the second positioning groove and symmetrically positioned on the left side and the right side of the fine positioning strip, and the width of the two second wear-resistant blocks plus the width of the fine positioning strip is equal to the width of the second positioning groove.
Preferably, the number of the movable templates is two, the movable template close to the push plate is defined as a second movable template, and the movable template far away from the push plate is defined as a first movable template; the first movable template is provided with a first round hole for the guide pillar to be fixedly inserted into, the end part, close to the second movable template, of the inner side wall of the first round hole is provided with a first open annular groove, the outer side wall of the guide pillar is provided with an annular bulge corresponding to the first open annular groove, and the annular bulge is clamped in the first open annular groove in a matching manner; the second movable mold plate is provided with a second round hole for the guide pillar to be inserted in a matched mode, a second open annular groove is formed in the end portion, close to the push plate, of the inner side wall of the second round hole, an annular clamping groove is formed in the outer side wall of the guide pillar, the annular clamping groove corresponds to the second open annular groove, a clamping spring is detachably clamped in the annular clamping groove, and a part of structure, protruding out of the annular clamping groove, of the clamping spring abuts against the second open annular groove.
Preferably, the fine positioning strip is fixed on the second movable module, and the fine positioning strip extends out of the lower end of the second movable module and is fixedly clamped on the first movable template.
Preferably, the number of the guide posts is four, and the four guide posts are respectively positioned at four right-angle ends of the movable template; two fine positioning strips are fixedly embedded at two ends of the movable template respectively.
Preferably, two water paths are arranged in the fixed die plate and correspond to the gate mold core and the cavity respectively.
Preferably, the fixed die plate is provided with a front die blowing hole.
The utility model has the advantages that: the utility model discloses an increase ball bush's design for sliding friction changes rolling friction into, has reduced frictional force, and fit clearance is little, and the cooperation design of the accurate location strip of reunion and first wear-resisting piece of second, not only guidance quality is good, still effectual positioning accuracy that has improved, the problem of the eccentricity of having solved original mould existence, wearing and tearing strain, can guarantee precision and the life of push pedal in the action process, make things convenient for the later maintenance. The design of independent water route on gate mould benevolence and the die cavity not only can adjust alone for the cooling is more abundant, can also make the mould chamber number reach 96 chambeies, and is double than the highest chamber of steady operation on the market, has practiced thrift manpower, material resources greatly, when the increase of production cost is again reduced. Due to the design of the front mold air blowing hole, the front mold air blowing can be conveniently carried out, the mold sticking risk is reduced, the accidental mold sticking post-treatment is more convenient, and the time and cost are saved. The mold is smooth in opening and closing action, stable in ejection, fast in period and capable of achieving high cavity and high speed.
Drawings
Fig. 1 is a schematic view of a split structure of a tubular injection mold of the present invention;
FIG. 2 is a schematic cross-sectional view of a guide pillar portion of a tubular injection mold according to the present invention;
FIG. 3 is a schematic structural view of a fine positioning strip portion of a tubular injection mold according to the present invention;
fig. 4 is a schematic view of a cross-sectional structure of a fixed mold plate in a tubular injection mold according to the present invention.
The parts in the drawings are numbered as follows: 1. fixing a template; 11. a second guide sleeve; 12. a waterway; 13. a front mold blow hole; 2. pushing the plate; 21. a first guide sleeve; 3. a first movable template; 4. a second movable template; 5. a guide post; 6. a ball bushing; 7. fine positioning strips; 8. a first wear block; 9. a second wear block.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1 to 4, an embodiment of the present invention includes:
a tubular injection mold, comprising: the device comprises a fixed template 1, a second guide sleeve 11, a push plate 2, a first guide sleeve 21, a first movable template 3, a second movable template 4, a guide pillar 5, a ball bushing 6, a fine positioning strip 7, a first wear-resistant block 8 and a second wear-resistant block 9.
The lower end of the guide post 5 is vertically fixed on the movable template; the number of the guide posts 5 is four, and the four guide posts 5 are respectively positioned at four right-angle ends of the movable template. The number of the movable templates is two, the movable template close to the push plate 2 is defined as a second movable template 4, and the movable template far away from the push plate 2 is defined as a first movable template 3; the first movable die plate 3 is provided with a first round hole for fixedly inserting the guide post 5, a first open annular groove is arranged at the upper port of the first round hole (the position on the inner side wall of the first round hole, which is close to the second movable die plate 4), an annular convex part is arranged on the outer side wall of the guide post 5, which corresponds to the first open annular groove, and the annular convex part is clamped in the first open annular groove in a matching manner; the second movable die plate 4 is provided with a second round hole for the guide pillar 5 to be inserted in a matched mode, a second open annular groove is formed in the upper end opening of the second round hole (the position, close to the push plate 2, on the inner side wall of the second round hole), an annular clamping groove is formed in the outer side wall of the guide pillar 5 corresponding to the second open annular groove, a clamping spring (clamping ring) is detachably clamped in the annular clamping groove, and part of the structure, protruding out of the annular clamping groove, of the clamping spring abuts against the second open annular groove.
Four first guide sleeves 21 are fixedly embedded in the push plate 2, and the four first guide sleeves 21 correspond to the four guide pillars 5 one by one. Four second guide sleeves 11 are fixedly embedded in the fixed die plate 1, and the four second guide sleeves 11 correspond to the four guide pillars 5 one by one. The upper end of the guide post 5 can be inserted in the first guide sleeve 21 and the second guide sleeve 11 in sequence to complete the guiding connection among the fixed template 1, the push plate 2 and the movable template. A ball bush 6 is arranged between the guide post 5 and the first guide sleeve 21, and the upper end and the lower end of the ball bush 6 extend out of the first guide sleeve 21; the ball bush 6 can change sliding friction into rolling friction, reduces friction force, has small fit clearance and effectively improves positioning precision.
Two fine positioning strips 7 are fixedly embedded at two ends of the second movable template 4 respectively, the fine positioning strips 7 are perpendicular to the second movable template 4, the upper ends and the lower ends of the fine positioning strips 7 extend out of the second movable template 4, the lower ends of the fine positioning strips 7 extending out of the second movable module are fixedly clamped on the first movable template 3, and the upper end parts of the fine positioning strips 7 extending out of the second movable template 4 are sequentially inserted in the push plate 2 and the fixed template 1; a first positioning groove for inserting the fine positioning strip 7 in the push plate 2 is wider than the fine positioning strip 7, two first wear-resistant blocks 8 are fixedly embedded in the first positioning groove, the two first wear-resistant blocks 8 are symmetrically positioned on the left side and the right side of the fine positioning strip 7, and the width of the two first wear-resistant blocks 8 plus the width of the fine positioning strip 7 is equal to the width of the first positioning groove; the second positioning groove for inserting the fine positioning strip 7 in the fixed die plate 1 is wider than the fine positioning strip 7, two second wear-resistant blocks 9 are fixedly embedded in the second positioning groove, the two second wear-resistant blocks 9 are symmetrically positioned on the left side and the right side of the fine positioning strip 7, and the width of the two second wear-resistant blocks 9 plus the width of the fine positioning strip 7 is equal to the width of the second positioning groove. The fine positioning strip 7 can play a role in positioning and guiding in the whole die opening and closing process, so that the positioning precision is ensured; the matching design of the first wear-resistant block 8 and the second wear-resistant block 9 can make the positioning precision higher.
Two water ways 12 are arranged in the fixed die plate 1, and the two water ways 12 are respectively corresponding to the gate mold core and the cavity; the design of independent water route 12 on gate mould benevolence and the die cavity not only can adjust alone for the cooling is more abundant, can also make the mould chamber number reach 96 chambeies, and is double than the highest chamber of steady operation on the market, has practiced thrift manpower, material resources greatly, when the increase of production cost is again reduced. Still be provided with front mould gas blowing hole 13 in the fixed die plate 1 to blow in the front mould, reduce the sticking die risk, unexpected sticking die aftertreatment also can be more convenient, save time cost.
The utility model discloses a guide pillar 5 and first guide pin bushing 21 and second guide pin bushing 11's cooperation and with the cooperation of smart location strip 7 and first wear-resisting piece 8 and the wear-resisting piece 9 of second, can guarantee precision and life of push pedal 2 at the action in-process, make things convenient for the later maintenance. The mold is smooth in opening and closing action, stable in ejection, fast in period and capable of achieving high cavity and high speed.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (6)
1. A tubular injection mold comprises a fixed mold plate, a push plate and a movable mold plate, wherein a plurality of guide pillars are vertically fixed on the movable mold plate, a first guide sleeve is fixedly embedded in a position, corresponding to the guide pillars, on the push plate, a second guide sleeve is fixedly embedded in a position, corresponding to the guide pillars, on the fixed mold plate, and the upper ends of the guide pillars are sequentially inserted into the first guide sleeve and the second guide sleeve; the method is characterized in that: a ball bushing is arranged between the guide pillar and the first guide sleeve; a fine positioning strip is fixedly embedded at the end part of the movable template and is perpendicular to the movable template, and the fine positioning strip extends out of the upper end part of the movable template and is sequentially inserted on the push plate and the fixed template; the first positioning groove for the fine positioning strip to insert in is wider than the fine positioning strip, two first wear-resistant blocks are fixedly embedded in the first positioning groove and symmetrically positioned on the left side and the right side of the fine positioning strip, and the width of the two first wear-resistant blocks plus the width of the fine positioning strip is equal to the width of the first positioning groove; the second positioning groove for inserting the fine positioning strip is wider than the fine positioning strip on the fixed template, two second wear-resistant blocks are fixedly embedded in the second positioning groove and symmetrically positioned on the left side and the right side of the fine positioning strip, and the width of the two second wear-resistant blocks plus the width of the fine positioning strip is equal to the width of the second positioning groove.
2. The tubular injection mold of claim 1, wherein: the number of the movable templates is two, the movable template close to the push plate is defined as a second movable template, and the movable template far away from the push plate is defined as a first movable template; the first movable template is provided with a first round hole for the guide pillar to be fixedly inserted into, the end part, close to the second movable template, of the inner side wall of the first round hole is provided with a first open annular groove, the outer side wall of the guide pillar is provided with an annular bulge corresponding to the first open annular groove, and the annular bulge is clamped in the first open annular groove in a matching manner; the second movable mold plate is provided with a second round hole for the guide pillar to be inserted in a matched mode, a second open annular groove is formed in the end portion, close to the push plate, of the inner side wall of the second round hole, an annular clamping groove is formed in the outer side wall of the guide pillar, the annular clamping groove corresponds to the second open annular groove, a clamping spring is detachably clamped in the annular clamping groove, and a part of structure, protruding out of the annular clamping groove, of the clamping spring abuts against the second open annular groove.
3. The tubular injection mold of claim 2, wherein: the fine positioning strip is fixed on the second movable module, and the fine positioning strip extends out of the lower end of the second movable module and is fixedly clamped on the first movable template.
4. A tubular injection mold according to claim 1, 2 or 3, characterized in that: the number of the guide posts is four, and the four guide posts are respectively positioned at four right-angle ends of the movable template; two fine positioning strips are fixedly embedded at two ends of the movable template respectively.
5. The tubular injection mold of claim 1, wherein: two water paths are arranged in the fixed die plate and correspond to the gate mold core and the cavity respectively.
6. A tubular injection mold according to claim 1 or 5, characterized in that: and a front mold air blowing hole is formed in the fixed mold plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021605791.8U CN213166597U (en) | 2020-08-05 | 2020-08-05 | Tubular injection mold |
| PCT/CN2021/104463 WO2022028178A1 (en) | 2020-08-05 | 2021-07-05 | Tubular injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021605791.8U CN213166597U (en) | 2020-08-05 | 2020-08-05 | Tubular injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213166597U true CN213166597U (en) | 2021-05-11 |
Family
ID=75798338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021605791.8U Active CN213166597U (en) | 2020-08-05 | 2020-08-05 | Tubular injection mold |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN213166597U (en) |
| WO (1) | WO2022028178A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022028178A1 (en) * | 2020-08-05 | 2022-02-10 | 苏州联开精密模具有限公司 | Tubular injection mold |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633219A (en) * | 2009-08-08 | 2010-01-27 | 中山志和家电制品有限公司 | Guide pillar assembly structure for die assembly |
| CN203900276U (en) * | 2014-06-19 | 2014-10-29 | 浙江赛豪实业有限公司 | Die guiding structure |
| CN204019869U (en) * | 2014-07-18 | 2014-12-17 | 广东东亚电器有限公司 | A kind of auxiliary guide column structure preventing die deformation |
| CN206383445U (en) * | 2017-01-19 | 2017-08-08 | 苏州优耐鑫模具科技有限公司 | A kind of Dewar bottle injection mold |
| CN206884070U (en) * | 2017-06-06 | 2018-01-16 | 常州机电职业技术学院 | A kind of injection mold base double-guide mechanism |
| US20180361640A1 (en) * | 2017-06-20 | 2018-12-20 | Baocheng Precision Mould Industrial Limited | One-step injection molding mold of tubular product and molding method thereof |
| CN213166597U (en) * | 2020-08-05 | 2021-05-11 | 苏州联开精密模具有限公司 | Tubular injection mold |
-
2020
- 2020-08-05 CN CN202021605791.8U patent/CN213166597U/en active Active
-
2021
- 2021-07-05 WO PCT/CN2021/104463 patent/WO2022028178A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022028178A1 (en) * | 2020-08-05 | 2022-02-10 | 苏州联开精密模具有限公司 | Tubular injection mold |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022028178A1 (en) | 2022-02-10 |
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