CN215203290U - Mould capable of forcibly resetting ejection mechanism - Google Patents
Mould capable of forcibly resetting ejection mechanism Download PDFInfo
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- CN215203290U CN215203290U CN202121058240.9U CN202121058240U CN215203290U CN 215203290 U CN215203290 U CN 215203290U CN 202121058240 U CN202121058240 U CN 202121058240U CN 215203290 U CN215203290 U CN 215203290U
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- template
- reset rod
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- plate
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- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 230000001939 inductive effect Effects 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000006872 improvement Effects 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 7
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 235000000396 iron Nutrition 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
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Abstract
The utility model discloses a can force ejection mechanism's that resets mould, include: the ejector pin mechanism comprises an ejector plate and a plurality of ejector pins mounted on the ejector plate, a forced reset mechanism is mounted between the front plate and the rear plate and comprises a front reset rod, a rear reset rod and a first check block, one end of the front reset rod is fixedly mounted on the front plate, one end of the rear reset rod is rotatably mounted on the rear plate, the first check block is fixedly mounted on the ejector plate, the front plate drives the front reset rod to move downwards during die assembly, the rear reset rod is rotated, and the rear reset rod is forcibly pressed to drive the ejector plate to drive the ejector pins to move downwards to reset. The mould avoids damage to the mould caused by the interference of the incomplete resetting of the ejector pin and the interference of the ejector pin, and ensures the safety and quality of the mould.
Description
Technical Field
The utility model relates to a mould field, in particular to ejection mechanism's that can force to reset mould.
Background
The injection mold is the most commonly used molding mold in the production of thermoplastic plastic parts, and the plastic is heated and melted in a bottom heating material cylinder of an injection machine, then enters a mold cavity through a nozzle of the injection machine and a pouring system of the mold under the pushing of a screw rod or a plunger of the injection machine, is cooled, hardened and molded, and is demolded to obtain the product. In order to facilitate the product to be separated from the mold cavity, an ejection mechanism is generally arranged on the mold.
At present, an ejection mechanism is arranged below a sliding block, the ejection mechanism is required to be completely reset, the sliding block is matched with a mold and cannot interfere with an ejector pin, a reset switch is usually arranged on the existing mold and connected with an injection molding machine to confirm reset, the precision induction tolerance of the reset switch is within 1mm, the reset switch often generates false alarm and false judgment, and the ejection mechanism is not completely reset, so that the mold is damaged. Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.
Disclosure of Invention
The utility model aims to solve the problem that a can force ejection mechanism that resets's mould is provided to overcome current mould and often appear ejection mechanism reset misjudgement and the phenomenon of not examining, can't satisfy the high accuracy demand of confirming that resets, cause the defect that the mould damaged easily.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: a die of a positive-return ejection mechanism, comprising: the mould comprises a top plate, a front template, a rear template and a bottom plate which are sequentially arranged from top to bottom, wherein the front template is fixedly arranged on the top plate, the rear template is fixedly arranged on the bottom plate, the front template can move relative to the rear template to open the mould, an ejection mechanism is movably arranged on the rear template and comprises an ejector plate and a plurality of ejector pins arranged on the ejector plate, and the ejector pins are inserted in the rear template; the front template with install forced resetting mechanism between the back template, forced resetting mechanism includes preceding release link, back release link and first dog, preceding release link one end fixed mounting be in on the front template, back release link one end is rotated and is installed on the back template, first dog fixed mounting be in on the thimble board, during the compound die the front template drives preceding release link downstream makes the other end of preceding release link support to be put on the back release link, and promotes back release link rotates, makes the other end of back release link support to be put on the first dog, forces to press and moves the thimble board drives thimble downstream resets.
As a further improvement, fixed mounting has the second dog on the back template, the second dog with back release link is located respectively the both sides of preceding release link, just a side of preceding release link supports and leans on the second dog.
As a further improvement, be provided with a constant head tank on the back template, fixed mounting has pivot fixing bolt in the constant head tank, the one end of back release link is passed through circular pivot and is rotated the suit and be in on the pivot fixing bolt, and pivot fixing bolt with install the pivot gasket between the back release link.
As a further improvement of the present invention, the front release link and the end portion of the rear release link contacting each other are both arc-shaped.
As a further improvement, the forced resetting mechanism is provided with two sets of reset mechanisms which are respectively positioned at opposite angles of two sides of the mold.
As a further improvement of the utility model, the thimble board with install the guide pillar between the back template, the cover is equipped with reset spring on the guide pillar.
As a further improvement, the utility model discloses a back template with be connected with the square iron between the bottom plate, install inductive switch on the square iron, install the clamp plate on the thimble board, when the thimble board resets, the clamp plate just triggers inductive switch.
As a further improvement of the utility model, preceding release link one end is installed through a plurality of fixing bolt and a plurality of fixed pin on the preceding template.
The utility model has the advantages that: the utility model provides a can force ejection mechanism's that resets mould, through install between preceding template and back template and force canceling release mechanical system, preceding template drives forces canceling release mechanical system's preceding release link downstream when the compound die, the release link rotates after promoting, make back release link force to press and move the thimble board and drive thimble downstream and reset, before slider and thimble contact when can guaranteeing the compound die, reset the mould thimble in advance, slider compound die that has avoided the thimble not completely to reset interferes with the thimble and leads to the mould to damage, show and improve mould volume production efficiency, the mould safety and quality have been ensured, the fault rate in the production process has been reduced, and the production efficiency is improved.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is an exploded view of the present invention;
fig. 4 is a perspective view of the ejector pin ejecting state of the rear mold part of the present invention.
The following description is made with reference to the accompanying drawings:
1-a top plate; 2-front template;
3-rear template; 301-positioning groove;
4-a bottom plate; 5-ejector plate;
6-thimble; 7-front reset rod;
8-rear reset lever; 9-first stop;
10-second stop; 11-circular rotating shaft;
12-fixing bolt; 13-spindle washer;
14-return spring; 15-square iron;
16-inductive switch; 17-press plate;
18-fixing bolt; 19-fixed pin.
Detailed Description
The following description of the preferred embodiments of the present invention will be made in conjunction with the accompanying drawings.
Referring to fig. 1 to 4, the utility model provides a can force ejection mechanism's that resets mould, include: the top plate 1, the front template 2, the rear template 3 and the bottom plate 4 that top-down set gradually, front template 2 fixed mounting is on top plate 1, and rear template 3 fixed mounting is on bottom plate 4, and front template 2 can remove the die sinking relatively rear template 3. An ejection mechanism is movably mounted on the rear template 3 and comprises an ejector plate 5 and a plurality of ejector pins 6 mounted on the ejector plate 5, the ejector plate 5 is located between the rear template 3 and the bottom plate 4, and the ejector pins 6 penetrate through the rear template 3. When the mold is opened, the ejector plate 5 drives the ejector 6 to move upwards to eject the product out of the cavity of the rear mold plate 3.
Referring to fig. 1 and 4, two sets of forced resetting mechanisms are installed between the front template 2 and the rear template 3 and respectively located at opposite corners of two sides of the mold, and the two sets of forced resetting mechanisms forcibly and synchronously reset the ejection mechanisms during mold closing. Force canceling release mechanical system to include preceding release link 7, back release link 8 and first dog 9, and preceding release link 7 arranges along vertical direction, and the upper end fixed mounting of preceding release link 7 is on preceding template 2, and 8 left ends of back release link rotate and install on back template 3, and on the lower extreme of preceding release link 7 extended to back release link 8, first dog 9 fixed mounting was on thimble board 5. When the die is closed, the front die plate 2 drives the front reset rod 7 to move downwards, so that the lower end of the front reset rod 7 abuts against the rear reset rod 8, the rear reset rod 8 is pushed to rotate, the right end of the rear reset rod 8 abuts against the first stop block 9, and the ejector pin plate 5 is forcibly pressed to drive the ejector pin 6 to move downwards for resetting. The mold is provided with the sliding block on the rear template 3, the ejector pin 6 is located below the sliding block, and by adopting the structural design, the ejector pin 6 of the mold is reset in advance before the sliding block contacts with the ejector pin 6 during mold closing, so that the phenomenon that the ejector pin 6 does not completely reset the sliding block to be in interference with the ejector pin 6 to cause mold damage is avoided, the mold mass production efficiency is obviously improved, the safety and the quality of the mold are ensured, the fault rate in the production process is reduced, and the production efficiency is improved.
Wherein, install the guide pillar between thimble board 5 and the back template 3, the cover is equipped with reset spring 14 on the guide pillar, and reset spring 14 cooperates the more effective ejection mechanism that resets of compulsory reset mechanism.
Referring to fig. 1, a second stopper 10 is fixedly mounted on the rear mold plate 3, the second stopper 10 and the rear reset rod 8 are respectively located on two sides of the front reset rod 7, and the right side surface of the front reset rod 7 abuts against the end surface of the second stopper 10. The second stopper 10 can have a guiding effect on the movement of the front release link 7, and when the front release link 7 pushes the rear release link 8 to rotate, the front release link 7 is subjected to rightward component force, and the second stopper 10 can play a bearing role, so that the running stability of the die is improved.
Referring to fig. 3, a positioning groove 301 is formed in the rear mold plate 3, a rotating shaft fixing bolt 12 is fixedly installed in the positioning groove 301, one end of the rear release link 8 is rotatably sleeved on the rotating shaft fixing bolt 12 through a circular rotating shaft 11, and a rotating shaft gasket 13 is installed between the rotating shaft fixing bolt 12 and the rear release link 8, so that the rear release link 8 can rotate around the rotating shaft fixing bolt 12. The upper end of the front reset rod 7 is installed on the front template 2 through two fixing bolts 18 and two fixing pins 19, wherein the connecting line of the two fixing bolts 18 and the connecting line of the two fixing pins 19 are in a cross shape, and the front reset rod 7 is reliably installed on the front template 2.
Wherein, the tip that preceding release link 7 and back release link 8 contacted, the lower tip of preceding release link 7 and the right-hand member portion of back release link 8 all are the arc form promptly to this setting makes preceding release link 7 promote back release link 8 and back release link 8 can steady motion through first dog 9 promotion thimble board 5.
Referring to fig. 2, two square irons 15 are connected between two sides of the bottom of the rear template 3 and the bottom plate 4, an inductive switch 16 is installed on one of the square irons 15, a pressing plate 17 is installed on the ejector plate 5, one end of the pressing plate 17 extends to the position above the inductive switch 16, and when the ejector plate 5 is completely reset, the pressing plate 17 just triggers the inductive switch 16 to confirm the reset.
Therefore, the utility model relates to a can force ejection mechanism that resets's mould, through install between front template and back template and force reset mechanism, the front template drives the preceding release link downstream that forces reset mechanism when the compound die, the release link rotates after promoting, make back release link force to press and move the thimble board and drive the thimble and move down and reset, before slider and thimble contact when can guaranteeing the compound die, reset the mould thimble in advance, slider compound die that has avoided the thimble not to reset completely interferes with the thimble and leads to the mould to damage, show and improve mould volume production efficiency, the mould safety and quality have been ensured, the fault rate in the production process has been reduced, and the production efficiency is improved.
In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the invention. The foregoing description is only illustrative of the preferred embodiments of the invention, which can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. All the contents that do not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention all still belong to the protection scope of the technical solution of the present invention.
Claims (8)
1. A die of a positive-return ejection mechanism, comprising: roof (1), preceding template (2), back template (3) and bottom plate (4) that top-down set gradually, preceding template (2) fixed mounting be in on roof (1), back template (3) fixed mounting be in on bottom plate (4), preceding template (2) can be relative back template (3) remove and carry out the die sinking, its characterized in that: the rear template (3) is movably provided with an ejection mechanism, the ejection mechanism comprises an ejector plate (5) and a plurality of ejector pins (6) arranged on the ejector plate (5), and the ejector pins (6) are inserted in the rear template (3); a forced resetting mechanism is arranged between the front template (2) and the rear template (3), the forced reset mechanism comprises a front reset rod (7), a rear reset rod (8) and a first stop block (9), one end of the front reset rod (7) is fixedly arranged on the front template (2), one end of the rear reset rod (8) is rotatably arranged on the rear template (3), the first stop block (9) is fixedly arranged on the ejector plate (5), the front template (2) drives the front reset rod (7) to move downwards during die assembly, so that the other end of the front reset rod (7) is abutted against the rear reset rod (8), and the rear reset rod (8) is pushed to rotate, so that the other end of the rear reset rod (8) is abutted against the first stop block (9), and the ejector pin plate (5) is forcibly pressed to drive the ejector pin (6) to move downwards for resetting.
2. The die of a positive-return ejector mechanism according to claim 1, characterized in that: a second stop block (10) is fixedly mounted on the rear template (3), the second stop block (10) and the rear reset rod (8) are respectively located on two sides of the front reset rod (7), and one side face of the front reset rod (7) is abutted against the second stop block (10).
3. The die of a positive-return ejector mechanism according to claim 1, characterized in that: be provided with a constant head tank (301) on back template (3), fixed mounting has pivot fixing bolt (12) in constant head tank (301), the one end of back release link (8) is passed through circular pivot (11) and is rotated the suit and be in on pivot fixing bolt (12), and pivot fixing bolt (12) with install pivot gasket (13) between back release link (8).
4. The die of a positive-return ejector mechanism according to claim 1, characterized in that: the end parts of the front reset rod (7) and the rear reset rod (8) which are contacted are all arc-shaped.
5. The die of a positive-return ejector mechanism according to claim 1, characterized in that: and two groups of forced resetting mechanisms are arranged and are respectively positioned at the opposite angles of two sides of the die.
6. The die of a positive-return ejector mechanism according to claim 1, characterized in that: a guide post is arranged between the ejector plate (5) and the rear template (3), and a return spring (14) is sleeved on the guide post.
7. The die of a positive-return ejector mechanism according to claim 1, characterized in that: rear template (3) with be connected with square iron (15) between bottom plate (4), install inductive switch (16) on square iron (15), install clamp plate (17) on thimble board (5), when thimble board (5) reset, clamp plate (17) just trigger inductive switch (16).
8. The die of a positive-return ejector mechanism according to claim 1, characterized in that: one end of the front reset rod (7) is installed on the front template (2) through a plurality of fixing bolts (18) and a plurality of fixing pins (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121058240.9U CN215203290U (en) | 2021-05-18 | 2021-05-18 | Mould capable of forcibly resetting ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121058240.9U CN215203290U (en) | 2021-05-18 | 2021-05-18 | Mould capable of forcibly resetting ejection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215203290U true CN215203290U (en) | 2021-12-17 |
Family
ID=79419801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121058240.9U Active CN215203290U (en) | 2021-05-18 | 2021-05-18 | Mould capable of forcibly resetting ejection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215203290U (en) |
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2021
- 2021-05-18 CN CN202121058240.9U patent/CN215203290U/en active Active
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