CN113858559A - Oblique spring needle demoulding mechanism - Google Patents
Oblique spring needle demoulding mechanism Download PDFInfo
- Publication number
- CN113858559A CN113858559A CN202111175570.0A CN202111175570A CN113858559A CN 113858559 A CN113858559 A CN 113858559A CN 202111175570 A CN202111175570 A CN 202111175570A CN 113858559 A CN113858559 A CN 113858559A
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- China
- Prior art keywords
- plate
- needle
- spring
- movable mould
- ejector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 229920003023 plastic Polymers 0.000 claims abstract description 7
- 239000004033 plastic Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000001746 injection moulding Methods 0.000 abstract description 2
- 238000012797 qualification Methods 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
Abstract
The invention provides an inclined elastic needle demoulding mechanism which comprises a movable mould plate, an ejector plate and a movable mould bottom plate used for fixing the movable mould plate, wherein a straight ejector block is arranged on one side, close to a plastic product, of the movable mould plate, an ejector pin column is arranged on the ejector plate, one end of the ejector pin column is connected with the ejector plate, the other end of the ejector pin column penetrates through the movable mould plate and is connected with the straight ejector block, an elastic needle is arranged in the straight ejector block in a sliding mode, the elastic needle is arranged in an inclined mode, a molded surface matched with the inclined hole of the product is arranged at one end of the elastic needle, a push rod is fixedly arranged at the other end of the elastic needle, a first elastic piece used for enabling the elastic needle to be far away from the inclined hole of the product is further arranged in the straight ejector plate, a pulling piece used for pulling the elastic needle to be far away from the inclined hole of the product is arranged on the movable mould bottom plate, and the pulling piece is connected with the push rod. The demoulding mechanism of the technical scheme can guarantee normal demoulding of the inclined spring needle and improve the injection molding qualification rate of products.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to an inclined spring needle demolding mechanism.
Background
The inclined hole appears in its drawing of patterns profile of car plastic parts's moulding plastics sometimes, and current injection mold sets up oblique bullet needle mechanism usually on the mould, and after the long-time work of mould, the elastic component in the ordinary oblique bullet needle mechanism loses elasticity easily, plays the needle and can not be withdrawed from, and the inclined hole of product can not effectively be demolded, and the workman can't in time discover the inner structure damage when the injection moulding product to lead to the defective rate of product to improve.
Disclosure of Invention
The invention mainly solves the technical problem of providing the inclined elastic needle demoulding mechanism, the elastic needle of which can effectively withdraw, the normal demoulding of the mould is ensured, and the product yield is improved.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides an oblique bullet needle demoulding mechanism, includes movable mould board, thimble board and is used for fixed movable mould board's movable mould bottom plate, the movable mould board is close to plastics product one side and is equipped with straight kicking block, be equipped with the thimble post on the thimble board, thimble post one end is connected its other end with the thimble board and is passed the movable mould board and be connected with straight kicking block, it is equipped with the bullet needle to slide in the straight kicking block, bullet needle one end is equipped with and is equipped with the push rod with its other end of product inclined hole complex profile is fixed, still be equipped with in the straight kicking block and be used for making the first elastic component of product inclined hole is kept away from to the bullet needle, be equipped with on the movable mould bottom plate and be used for the tractive the product inclined hole is kept away from to the bullet needle and draw the piece, draw the piece with the push rod is connected.
The invention has the beneficial effects that: when the mould compound die, the push rod can offset with the movable mould board, makes the push rod drive bullet needle towards the motion of product inclined hole, and the profile of bullet needle can mould plastics the anastomotic product inclined hole, and when the mould die sinking, straight kicking block and movable mould board separation, first elastic component make the bullet needle keep away from the product inclined hole, and when first elastic component became invalid, the tractive piece can tractive push rod make the bullet needle keep away from the product inclined hole, and the product inclined hole drawing of patterns is accomplished to dual guarantee to improve product drawing of patterns qualification rate.
Preferably, the pulling part comprises a pulling rope, the two ends of the pulling rope are respectively a first end and a second end, the first end is connected with the push rod, and the second end is connected with a limiting part for limiting the moving position of the pushing rod. Through adopting above-mentioned structure, the shift position of pulling rope second end can be injectd to spacing portion, and when first elastic component became invalid, the pulling rope still can be kept away from the product inclined hole tractive with the bullet needle and withdraw from to ensure the normal drawing of patterns product inclined hole of bullet needle, improve the yield of product.
Preferably, the limiting part comprises a first stop block and an adjusting block, the first stop block is fixed on the movable die bottom plate, and the second end of the pulling rope passes through the first stop block and is connected with the adjusting block. Through adopting above-mentioned structure, the mould drawing of patterns, the adjusting block removal is driven to the tractive rope, and when the adjusting block leaned on with first dog counterbalance, the second end position of tractive rope was fixed to make the first end tractive push rod of tractive rope, guarantee that the bullet needle withdraws from.
Preferably, the movable die bottom plate is provided with a second elastic piece for enabling the pulling rope to move towards the movable die bottom plate. Through adopting above-mentioned structure, the second elastic component enables the pull rope and moves towards the movable mould bottom plate, when straight top piece and movable mould board fold, does not receive the interference of pull rope, and both laminating are complete, are favorable to the compound die to level and smooth, improve the yield of product.
Preferably, a second baffle is fixed on the movable mold bottom plate, the pulling rope penetrates through the second baffle, the second elastic piece comprises a second spring sleeved on the pulling rope, the second spring is arranged between the first baffle and the second baffle, and one end of the second spring is connected with the second baffle, while the other end is connected with the pulling rope. Through adopting above-mentioned structure, when the mould drawing of patterns, the movable mould bottom plate removal is kept away from to the tractive rope, makes the compression of second spring, and when the mould compound die, second spring elasticity resets, drives the tractive rope and removes towards the movable mould bottom plate to make things convenient for the use installation of second elastic component.
Preferably, the movable die bottom plate is rotatably provided with a roller, and the roller is used for steering the traction rope to enable the traction rope to be in an L shape. Through adopting above-mentioned structure, reduce the thickness of movable mould bottom plate, can save space to reduce the volume of mould, the gyro wheel can pass through the buckling of pulling rope simultaneously, prevents the fracture of pulling rope.
Preferably, the pulling rope is a steel wire. Through adopting above-mentioned structure, can improve the life of tractive rope, be favorable to the long-term use of mould.
Preferably, be equipped with oblique slide and pipeline in the straight top piece, oblique slide and the coaxial setting of pipeline and intercommunication each other, the junction of oblique slide and pipeline is equipped with first step, bullet needle sliding fit is in the oblique slide, be equipped with the boss between bullet needle and the push rod, boss sliding fit is in the pipeline, first elastic component establishes including the cover first spring on the bullet needle, first spring one end with first step offsets its other end with the boss offsets. Through adopting above-mentioned structure, when the mould compound die, the push rod supports and leans on the movable mould board, makes the compression of first spring, and when the mould drawing of patterns, first spring elasticity resets, drives the bullet needle and keeps away from the product inclined hole to make things convenient for the use installation of first elastic component.
Preferably, one side of the pipeline, which is far away from the inclined slideway, is provided with an anti-falling block for preventing the lug boss from falling off from the pipeline. Through adopting above-mentioned structure, can prevent that the bullet needle from breaking away from in the oblique slide, improve the connection stability of structure.
Preferably, the anti-falling block is provided with a guide hole, and the push rod is in sliding fit in the guide hole. Through adopting above-mentioned structure, the guiding hole can provide the direction for the slip of push rod, improves the mobility stability of bullet needle.
Drawings
Fig. 1 is a schematic perspective view of a slant spring pin demolding mechanism according to the present invention;
FIG. 2 is a top half sectional view of the clamped condition of FIG. 1;
FIG. 3 is a top half cross-sectional view of the open mold condition of FIG. 1;
FIG. 4 is a lower half sectional view of the clamped condition of FIG. 1;
FIG. 5 is a lower half sectional view of the open mold condition of FIG. 1;
description of reference numerals:
1. moving the template; 2. an ejector plate; 3. a movable mold base plate; 4. a straight top block; 41. an inclined slideway; 42. a pipeline; 43. a first step; 44. a second step; 5. a thimble post; 6. a needle is flicked; 61. a push rod; 62. a boss; 7. a pulling rope; 8. a first stopper; 9. an adjusting block; 10. a second baffle; 11. a second spring; 12. a roller; 13. a first spring; 14. an anti-drop block; 141. and (4) a guide hole.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
As shown in fig. 1-5, the present invention provides an inclined spring needle demoulding mechanism, which comprises a movable mould plate 1, an ejector plate 2 and a movable mould bottom plate 3 for fixing the movable mould plate 1, wherein one side of the movable mould plate 1, which is close to a plastic product, is provided with a straight ejector block 4, the ejector plate 2 is provided with an ejector pin column 5, one end of the ejector pin column 5 is connected with the ejector plate 2, the other end of the ejector pin column 5 penetrates through the movable mould plate 1 and is connected with the straight ejector block 4, a spring needle 6 is arranged in the straight ejector block 4 in a sliding manner, the spring needle 6 is arranged in an inclined manner, one end of the spring needle 6 is provided with a molded surface matched with an inclined hole of the product, the other end of the spring needle is fixedly provided with a push rod 61, the straight ejector block 4 is provided with a first elastic member for making the spring needle 6 far away from the inclined hole of the product, specifically, an inclined slideway 41 and a pipeline 42 are arranged in the straight ejector block 4, the inclined slideway 41 and the pipeline 42 are coaxially arranged and are communicated with the pipeline 42, a first step 43 is arranged at the joint of the inclined slideway 41 and the pipeline 42, the elastic needle 6 is in sliding fit in the inclined slideway 41, a boss 62 is arranged between the elastic needle 6 and the push rod 61, the boss 62 is in sliding fit in the pipeline 42, the first elastic part comprises a first spring 13 sleeved on the elastic needle 6, one end of the first spring 13 abuts against the first step 43, the other end of the first spring abuts against the boss 62, one side, far away from the inclined slideway 41, of the pipeline 42 is provided with an anti-falling block 14 for preventing the boss 62 from falling out of the pipeline 42, the anti-falling block 14 is provided with a guide hole 141, and the push rod 61 is in sliding fit in the guide hole 141; the second step 44 is arranged in the pipeline 42, and when the boss 62 abuts against the second step 44, the profile of the elastic needle 6 is attached to the inclined hole of the product, so that the mold closing precision of the elastic needle 6 is improved.
In order to further effectively demould the elastic needle 6, a drawing piece for drawing the elastic needle 6 away from the product inclined hole is arranged on the movable mold base plate 3, the drawing piece is connected with the push rod 61, specifically, the drawing piece comprises a drawing rope 7, the drawing rope 7 is a steel wire, the two ends of the drawing rope 7 are respectively a first end and a second end, the first end is connected with the push rod 61 through a pin shaft, the second end is connected with a limit part for limiting the moving position of the drawing rope, the limit part comprises a first stop block 8 and an adjusting block 9, the first stop block 8 is fixed on the movable mold base plate 3, the second end of the drawing rope 7 passes through the first stop block 8 and is connected with the adjusting block 9, a second elastic piece for enabling the drawing rope 7 to move towards the movable mold base plate 3 is arranged on the movable mold base plate 3, and a second baffle 10 is fixed on the movable mold base plate 3, the pulling rope 7 runs through the second baffle 10, the second elastic piece is sleeved on a second spring 11 on the pulling rope 7, the second spring 11 is arranged between the first baffle 8 and the second baffle 10, one end of the second spring 11 is connected with the second baffle 10, the other end of the second spring is connected with the pulling rope 7, a roller 12 is arranged on the movable die bottom plate 3 in a rotating mode, the roller 12 is used for steering the pulling rope 7, the pulling rope 7 is made to be in an L-shaped arrangement, and the length of the pulling rope 7 can be adjusted by the adjusting block 9.
The use process comprises the following steps: when the mold is opened, the ejector pin plate 2 moves towards the movable mold plate 1, the straight ejector block 4 is separated from the movable mold plate 1 through the ejector pin column 5, the steel wire is connected with the push rod 61 and drives the steel wire to move away from the movable mold bottom plate 3, the second spring 11 on the steel wire is elastically compressed, when the adjusting block 9 abuts against the first stop block 8, the steel wire stops moving, the ejector pin plate 2 continues to move towards the movable mold plate 1 at the moment, the steel wire pulls out the elastic needle 6 connected with the push rod 61, demolding of the elastic needle 6 is guaranteed, and the first spring 13 on the elastic needle 6 is prevented from failing; when the die is closed, the second spring 11 is elastically reset to drive the steel wire to move towards the movable die bottom plate 3, the straight ejector block 4 and the movable die plate 1 are closed, the push rod 61 is extruded by the movable die plate 1, and the elastic needle 6 moves towards the inclined hole of the product until the die is closed.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.
Claims (10)
1. An inclined elastic needle demoulding mechanism comprises a movable mould plate (1), an ejector plate (2) and a movable mould bottom plate (3) used for fixing the movable mould plate (1), wherein the movable mould plate (1) is provided with a straight ejector block (4) close to one side of a plastic product, the ejector plate (2) is provided with an ejector pin column (5), one end of the ejector pin column (5) is connected with the ejector plate (2) and the other end thereof penetrates through the movable mould plate (1) to be connected with the straight ejector block (4), the inclined needle demoulding mechanism is characterized in that an elastic needle (6) is slidably arranged in the straight ejector block (4), one end of the elastic needle (6) is provided with a molded surface matched with a product inclined hole, the other end of the molded surface is fixedly provided with a push rod (61), a first elastic piece used for enabling the elastic needle (6) to be far away from the product inclined hole is further arranged in the straight ejector block (4), a pulling piece used for pulling the elastic needle (6) to be far away from the product inclined hole is arranged on the movable mould bottom plate (3), the pulling piece is connected with the push rod (61).
2. The oblique spring needle demoulding mechanism according to claim 1, wherein the pulling member comprises a pulling rope (7), the two ends of the pulling rope (7) are respectively a first end and a second end, the first end is connected with the push rod (61), and the second end is connected with a limiting part for limiting the moving position of the pushing rod.
3. The oblique-springing needle demoulding mechanism according to claim 2, characterized in that the limiting part comprises a first stop (8) and an adjusting block (9), the first stop (8) is fixed on the moving die bottom plate (3), and the second end of the pulling rope (7) passes through the first stop (8) and is connected with the adjusting block (9).
4. A diagonal ejector pin stripper mechanism according to claim 3, wherein said movable die base plate (3) is provided with a second resilient member for moving said pull rope (7) towards said movable die base plate (3).
5. The inclined spring pin demoulding mechanism according to claim 4, wherein a second baffle plate (10) is fixed on the movable mould base plate (3), the pulling rope (7) penetrates through the second baffle plate (10), the second elastic element comprises a second spring (11) sleeved on the pulling rope (7), the second spring (11) is arranged between the first stop block (8) and the second baffle plate (10), one end of the second spring (11) is connected with the second baffle plate (10), and the other end of the second spring is connected with the pulling rope (7).
6. The inclined spring pin demoulding mechanism according to claim 5, wherein a roller (12) is rotatably arranged on the movable mould base plate (3), and the roller (12) is used for steering the traction rope (7) to enable the traction rope (7) to be arranged in an L shape.
7. A diagonal flick pin stripper unit according to any of claims 2-6 characterised in that the pull cord (7) is a steel wire.
8. The oblique elastic needle demoulding mechanism according to claim 1, characterized in that an oblique slide way (41) and a pipeline (42) are arranged in the straight ejector block (4), the oblique slide way (41) and the pipeline (42) are coaxially arranged and are communicated with each other, a first step (43) is arranged at the joint of the oblique slide way (41) and the pipeline (42), the elastic needle (6) is in sliding fit with the oblique slide way (41), a boss (62) is arranged between the elastic needle (6) and the push rod (61), the boss (62) is in sliding fit with the pipeline (42), the first elastic piece comprises a first spring (13) sleeved on the elastic needle (6), one end of the first spring (13) abuts against the first step (43), and the other end of the first spring abuts against the boss (62).
9. The oblique spring needle demoulding mechanism according to claim 8, characterized in that the side of the pipe (42) far away from the oblique slideway (41) is provided with a retaining block (14) for preventing the lug boss (62) from being released from the pipe (42).
10. The oblique-spring needle demoulding mechanism according to claim 9, wherein the anti-drop block (14) is provided with a guide hole (141), and the push rod (61) is slidably fitted in the guide hole (141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111175570.0A CN113858559A (en) | 2021-10-09 | 2021-10-09 | Oblique spring needle demoulding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111175570.0A CN113858559A (en) | 2021-10-09 | 2021-10-09 | Oblique spring needle demoulding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113858559A true CN113858559A (en) | 2021-12-31 |
Family
ID=79002109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111175570.0A Pending CN113858559A (en) | 2021-10-09 | 2021-10-09 | Oblique spring needle demoulding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113858559A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08267524A (en) * | 1995-03-31 | 1996-10-15 | Ube Ind Ltd | Mold clamping device of injection molder |
| JP2002036314A (en) * | 2000-07-27 | 2002-02-05 | Canon Inc | Mold for injection molding |
| JP2004148643A (en) * | 2002-10-30 | 2004-05-27 | Toho Kogyo Kk | Mold for molding foamed container |
| JP2007196622A (en) * | 2006-01-30 | 2007-08-09 | Nikka Kaseihin Kk | Apparatus for releasing molded product |
| CN208962339U (en) * | 2018-08-10 | 2019-06-11 | 长沙申大科技集团股份有限公司 | A kind of injection mold of the product with inclined hole |
| CN112873737A (en) * | 2020-12-23 | 2021-06-01 | 青岛三昌精密机械有限公司 | Plastic injection mold with locking mechanical system |
-
2021
- 2021-10-09 CN CN202111175570.0A patent/CN113858559A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08267524A (en) * | 1995-03-31 | 1996-10-15 | Ube Ind Ltd | Mold clamping device of injection molder |
| JP2002036314A (en) * | 2000-07-27 | 2002-02-05 | Canon Inc | Mold for injection molding |
| JP2004148643A (en) * | 2002-10-30 | 2004-05-27 | Toho Kogyo Kk | Mold for molding foamed container |
| JP2007196622A (en) * | 2006-01-30 | 2007-08-09 | Nikka Kaseihin Kk | Apparatus for releasing molded product |
| CN208962339U (en) * | 2018-08-10 | 2019-06-11 | 长沙申大科技集团股份有限公司 | A kind of injection mold of the product with inclined hole |
| CN112873737A (en) * | 2020-12-23 | 2021-06-01 | 青岛三昌精密机械有限公司 | Plastic injection mold with locking mechanical system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20211231 |