CN110789081A - O type circle injection mold mode locking device - Google Patents
O type circle injection mold mode locking device Download PDFInfo
- Publication number
- CN110789081A CN110789081A CN201911162509.5A CN201911162509A CN110789081A CN 110789081 A CN110789081 A CN 110789081A CN 201911162509 A CN201911162509 A CN 201911162509A CN 110789081 A CN110789081 A CN 110789081A
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- Prior art keywords
- rectangular
- side wall
- rack
- injection mold
- die
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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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/68—Mould opening, closing or clamping devices hydro-mechanical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
- B29L2031/265—Packings, Gaskets
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a mode locking device of an O-shaped ring injection mold, which comprises a first mold and a second mold, wherein two rectangular grooves which are symmetrically arranged in the front and back are formed on the first mold, two rectangular inserting plates which are protruded leftwards are formed on the second mold, a right-angle trapezoidal hole is respectively formed on the upper side wall and the lower side wall of each rectangular groove, the right side wall of each right-angle trapezoidal hole is a first inclined plane which is low in outside and high in inside, a rectangular hole which penetrates through the rectangular inserting plates in the vertical direction is formed on each rectangular inserting plate, a pair of rectangular inserting blocks which are symmetrically arranged up and down are sleeved in each rectangular hole, a second inclined plane which is low in outside and high in inside is formed at the outer end of the right side wall of each rectangular inserting block, and the second inclined; each pair of rectangular insertion blocks is provided with a driving mechanism for driving the rectangular insertion blocks to approach or depart from each other. The invention can tightly combine the two moulds together to prevent the two moulds from loosening, and has accurate positioning and difficult error.
Description
Technical Field
The invention relates to the technical field of plastic molds, in particular to a mold locking device of an O-shaped ring injection mold.
Background
The traditional O-shaped ring mold is easy to produce loose matching and unstable in positioning, and the process of manufacturing the feeder is complex, so that the time and the cost are wasted. Aiming at the problems, the fixation of the two dies needs to be strengthened, and the loosening and inaccurate positioning are avoided. In the mold locking process in the prior art, the molds are specially arranged and are interlocked through the special shapes of the molds, but the difficulty in mold manufacturing is improved, and how to design a mold locking device which is accurate in positioning and cannot be loosened is a technical problem in the field.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the mold locking device for the O-shaped ring injection mold, which can tightly combine two molds to prevent the two molds from loosening, is accurate in positioning and is not easy to cause errors.
The scheme for solving the technical problems is as follows:
the utility model provides a O type circle injection mold mode locking device, includes first mould and second mould, the shaping has two rectangular channels that the front and back symmetry set up on the first mould, the shaping has two rectangle picture pegs that the left side that the front and back symmetry set up to bulge on the second mould, and every rectangle picture peg plug bush has a rectangular channel that corresponds, respectively the shaping has a right angle trapezoidal hole on the upper wall of rectangular channel and the lower lateral wall, and the right side wall in right angle trapezoidal hole is the first inclined plane that the outer low inner height set up, the shaping has the rectangular channel that the upper and lower direction runs through on the rectangle picture peg, and the rectangular channel is endotheca pair of rectangle inserted block that the longitudinal symmetry set up, and the shaping of the outer end of the right side wall of rectangle inserted block has the second inclined plane that the outer low inner height, and the second inclined plane is pressed on first inclined; each pair of rectangular insertion blocks is provided with a driving mechanism for driving the rectangular insertion blocks to approach or depart from each other.
A rectangular counter bore is formed at the inner end of the rectangular insert block,
the actuating mechanism is including fixing the first rack on the right side wall of the rectangle counter bore of the rectangle inserted block of upside and fixing the second rack on the left side wall of the rectangle counter bore of the rectangle inserted block of downside, the upper end and the shaping of the lower extreme of first rack, second rack are at the epaxial first gear engagement of drive, and first gear is located the middle part of rectangular hole, the both ends of drive shaft articulate respectively on the preceding lateral wall and the back lateral wall of rectangular hole, and the drive shaft passes the outer protruding end shaping of rectangle picture peg and has the second gear, and the second gear meshing has the third rack, and the tailpiece of the piston rod portion at the hydro-cylinder is fixed to the one end of third rack, and the hydro-cylinder is fixed on the rectangle.
A first concave plane is formed on the right side wall of the lower extending end of the rectangular counter bore of the rectangular insertion block, which extends out of the upper side of the first rack; and a second concave plane is formed on the left side wall of the upper extending end of the rectangular counter bore of the rectangular insertion block of which the second rack extends to the lower side.
The left end of the rectangular inserting plate is formed with a round angle, and the outer end of the rectangular inserting block is formed with a round angle.
A first circular boss protruding rightwards is formed in the middle of the first die, and a first annular groove with a semicircular cross section is formed in the first circular boss; and a second round boss protruding leftwards is formed in the middle of the second die, a second annular groove with a semicircular cross section is formed in the second round boss, and the first annular groove and the second annular groove are symmetrically arranged.
The first die is provided with two guide positioning holes, the second die is provided with two guide positioning rods which correspond to the two guide positioning holes one by one, and the guide positioning rods are inserted in the guide positioning holes.
And a pyramid part is formed at the left end of the guide positioning rod.
The third rack is obliquely arranged.
The invention has the following outstanding effects: compared with the prior art, the two molds can be tightly combined together to prevent the two molds from loosening, and the positioning is accurate and is not easy to cause errors.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1 taken about A-A;
FIG. 3 is a cross-sectional view of FIG. 2 taken about B-B;
fig. 4 is a cross-sectional view of fig. 2 taken about C-C.
Detailed Description
Example, as shown in fig. 1 to 4, an O-ring injection mold clamping apparatus includes a first mold 1 and a second mold 2, two rectangular grooves 11 which are symmetrically arranged in the front and back are formed on the first die 1, two rectangular inserting plates 21 which are symmetrically arranged in the front and back and protrude leftwards are formed on the second die 2, each rectangular inserting plate 21 is inserted in a corresponding rectangular groove 11, a right-angle trapezoidal hole 12 is respectively formed on the upper side wall and the lower side wall of the rectangular groove 11, the right side wall of the right-angle trapezoidal hole 12 is a first inclined surface 121 which is low outside and high inside, a rectangular hole 211 penetrating in the vertical direction is formed in the rectangular inserting plate 21, a pair of rectangular inserting blocks 3 symmetrically arranged up and down are sleeved in the rectangular hole 211, a second inclined plane 301 with a low outer part and a high inner part is formed at the outer end of the right side wall of each rectangular inserting block 3, and the second inclined plane 301 is pressed on the first inclined plane 121; each pair of rectangular blocks 3 is provided with a drive mechanism 4 for driving them to approach or move away from each other.
Furthermore, the inner end of the rectangular insert 3 is formed with a rectangular counterbore 302,
the driving mechanism 4 comprises a first rack 41 fixed on the right side wall of the rectangular counterbore 302 of the rectangular insert block 3 at the upper side and a second rack 42 fixed on the left side wall of the rectangular counterbore 302 of the rectangular insert block 3 at the lower side, the lower end of the first rack 41 and the upper end of the second rack 42 are meshed with a first gear 431 formed on a driving shaft 43, the first gear 431 is positioned in the middle of the rectangular hole 211, the two ends of the driving shaft 43 are respectively hinged on the front side wall and the rear side wall of the rectangular hole 211, a second gear 432 is formed at the outer protruding end of the driving shaft 43 penetrating through the rectangular insert plate 21, a third rack 44 is meshed with the second gear 432, one end of the third rack 44 is fixed on the end part of the piston rod of the oil cylinder 45, and the oil cylinder 45 is fixed on the rectangular.
Furthermore, a first concave plane 411 is formed on the right side wall of the lower protruding end of the rectangular counterbore 302 of the rectangular insert block 3, where the first rack 41 protrudes to the upper side; a second concave plane 421 is formed on the left side wall of the upper protruding end of the rectangular counterbore 302 of the rectangular insert block 3, from which the second rack 42 protrudes to the lower side.
Furthermore, the left end of the rectangular insertion plate 21 is formed with a round angle, and the outer end of the rectangular insertion block 3 is formed with a round angle.
Furthermore, a first circular boss 12 protruding rightwards is formed in the middle of the first mold 1, and a first annular groove 121 with a semicircular cross section is formed in the first circular boss 12; a second round boss 22 protruding leftwards is formed in the middle of the second die 2, a second annular groove 221 with a semicircular cross section is formed in the second round boss 22, and the first annular groove 121 and the second annular groove 221 are symmetrically arranged.
Furthermore, the first mold 1 is formed with two guiding positioning holes 13, the second mold 2 is formed with two guiding positioning rods 23 corresponding to the two guiding positioning holes 13 one by one, and the guiding positioning rods 23 are inserted into the guiding positioning holes 13.
Further, a tapered portion is formed at the left end of the guide positioning rod 23.
Further, the third rack 44 is disposed obliquely.
The working principle is as follows: two hydro-cylinders 45 extend simultaneously, it removes to drive corresponding third rack 44, third rack 44 drives second gear 432 and rotates, second gear 432 drives first gear 431 simultaneously and rotates, first gear 431 drives first rack 41 and second rack 42 and keeps away from each other, first rack 41 drives the rectangle inserted block 3 of upside and inserts in the right angle trapezoidal hole 12 of upside, second rack 42 drives rectangle inserted block 3 of downside and inserts in the right angle trapezoidal hole 12 of downside, press when the second inclined plane 301 of rectangle inserted block 3 presses at first inclined plane, rectangle inserted block 3 continues to move outwards and orders about first mould and second mould and be close to each other, thereby accomplish the mode locking.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (8)
1. The utility model provides an O type circle injection mold mode locking device, includes first mould (1) and second mould (2), its characterized in that: the forming die is characterized in that two rectangular grooves (11) symmetrically arranged front and back are formed in the first die (1), two rectangular inserting plates (21) symmetrically arranged front and back are formed in the second die (2) and are protruded leftwards, each rectangular inserting plate (21) is inserted into one corresponding rectangular groove (11), a right-angle trapezoidal hole (12) is formed in each of the upper side wall and the lower side wall of each rectangular groove (11), the right side wall of each right-angle trapezoidal hole (12) is a first inclined plane (121) with a low outer side and a high inner side, a rectangular hole (211) penetrating in the vertical direction is formed in each rectangular inserting plate (21), a pair of rectangular inserting blocks (3) symmetrically arranged up and down are sleeved in each rectangular hole (211), a second inclined plane (301) with a low outer side and a high inner side is formed in the outer end of the right side wall of each rectangular inserting block (3), and the second inclined plane (301) is pressed on the first inclined plane (121); each pair of rectangular insertion blocks (3) is provided with a driving mechanism (4) for driving the rectangular insertion blocks to approach or depart from each other.
2. The O-ring injection mold clamping device according to claim 1, wherein: a rectangular counter bore (302) is formed at the inner end of the rectangular insert block (3),
the driving mechanism (4) comprises a first rack (41) fixed on the right side wall of the rectangular counter bore (302) of the rectangular insertion block (3) at the upper side and a second rack (42) fixed on the left side wall of the rectangular counter bore (302) of the rectangular insertion block (3) at the lower side, the lower end of the first rack (41) and the upper end of the second rack (42) are meshed with a first gear (431) formed on the driving shaft (43), the first gear (431) is positioned in the middle of the rectangular hole (211), two ends of the driving shaft (43) are respectively hinged to the front side wall and the rear side wall of the rectangular hole (211), the driving shaft (43) penetrates through the outer extending end of the rectangular inserting plate (21) to form a second gear (432), the second gear (432) is meshed with a third rack (44), one end of the third rack (44) is fixed to the end portion of a piston rod of the oil cylinder (45), and the oil cylinder (45) is fixed to the rectangular inserting plate (21).
3. The O-ring injection mold clamping device according to claim 2, wherein: a first concave plane (411) is formed on the right side wall of the lower extending end of the rectangular counter bore (302) of the rectangular insertion block (3) of which the first rack (41) extends to the upper side; and a second concave plane (421) is formed on the left side wall of the upper extending end of the rectangular counter bore (302) of the rectangular insert block (3) of which the second rack (42) extends to the lower side.
4. The O-ring injection mold clamping device according to claim 1, wherein: the left end of the rectangular inserting plate (21) is formed with a round angle, and the outer end of the rectangular inserting block (3) is formed with a round angle.
5. The O-ring injection mold clamping device according to claim 1, wherein: a first round boss (12) protruding rightwards is formed in the middle of the first die (1), and a first annular groove (121) with a semicircular cross section is formed in the first round boss (12); a second circular boss (22) protruding leftwards is formed in the middle of the second die (2), a second annular groove (221) with a semicircular cross section is formed in the second circular boss (22), and the first annular groove (121) and the second annular groove (221) are symmetrically arranged.
6. The O-ring injection mold clamping device according to claim 1, wherein: the die is characterized in that the first die (1) is provided with two guide positioning holes (13), the second die (2) is provided with two guide positioning rods (23) which correspond to the two guide positioning holes (13) one by one, and the guide positioning rods (23) are inserted in the guide positioning holes (13).
7. The O-ring injection mold clamping device according to claim 6, wherein: and a cone is formed at the left end of the guide positioning rod (23).
8. The O-ring injection mold clamping device according to claim 2, wherein: the third rack (44) is obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911162509.5A CN110789081B (en) | 2019-11-25 | 2019-11-25 | O type circle injection mold mode locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911162509.5A CN110789081B (en) | 2019-11-25 | 2019-11-25 | O type circle injection mold mode locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110789081A true CN110789081A (en) | 2020-02-14 |
| CN110789081B CN110789081B (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911162509.5A Active CN110789081B (en) | 2019-11-25 | 2019-11-25 | O type circle injection mold mode locking device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05305414A (en) * | 1992-05-07 | 1993-11-19 | Ube Ind Ltd | Device for clamping mold for injection molding |
| CN202097905U (en) * | 2011-05-18 | 2012-01-04 | 长城汽车股份有限公司 | Locking device of core pulling structure for injection mold |
| CN203527815U (en) * | 2013-08-30 | 2014-04-09 | 苏州圣美特压铸科技有限公司 | Locking mechanism of movable mold on die-casting machine or injection molding machine |
| CN207290789U (en) * | 2017-09-22 | 2018-05-01 | 精英模具(上海)有限公司 | A kind of Inner slide self-locking structure of injection mold |
| CN209050995U (en) * | 2018-10-11 | 2019-07-02 | 杭州强本塑胶科技有限公司 | Mold deduction mechanism |
| CN209395176U (en) * | 2018-12-29 | 2019-09-17 | 杭州百和利新材料有限公司 | It is a kind of for processing the automatic positioning locking die of cabinet front cover |
| CN110239043A (en) * | 2019-06-28 | 2019-09-17 | 深圳市南和建毅模具有限公司 | Three board molds and its clamping control method and die sinking control method |
-
2019
- 2019-11-25 CN CN201911162509.5A patent/CN110789081B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05305414A (en) * | 1992-05-07 | 1993-11-19 | Ube Ind Ltd | Device for clamping mold for injection molding |
| CN202097905U (en) * | 2011-05-18 | 2012-01-04 | 长城汽车股份有限公司 | Locking device of core pulling structure for injection mold |
| CN203527815U (en) * | 2013-08-30 | 2014-04-09 | 苏州圣美特压铸科技有限公司 | Locking mechanism of movable mold on die-casting machine or injection molding machine |
| CN207290789U (en) * | 2017-09-22 | 2018-05-01 | 精英模具(上海)有限公司 | A kind of Inner slide self-locking structure of injection mold |
| CN209050995U (en) * | 2018-10-11 | 2019-07-02 | 杭州强本塑胶科技有限公司 | Mold deduction mechanism |
| CN209395176U (en) * | 2018-12-29 | 2019-09-17 | 杭州百和利新材料有限公司 | It is a kind of for processing the automatic positioning locking die of cabinet front cover |
| CN110239043A (en) * | 2019-06-28 | 2019-09-17 | 深圳市南和建毅模具有限公司 | Three board molds and its clamping control method and die sinking control method |
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| CN110789081B (en) | 2021-07-30 |
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Effective date of registration: 20210713 Address after: 325600 Tiancheng characteristic industrial zone, Yueqing City, Wenzhou City, Zhejiang Province Applicant after: Zhejiang Huateng Electronics Co.,Ltd. Address before: 523000 Building 1, No.9 Keji 9 Road, Songshanhu Park, Dongguan City, Guangdong Province Applicant before: Dongguan Jiahong Electromechanical Technology Co.,Ltd. |
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