CN210132732U - Ejection combined device for anti-sticking mold in grid area of bumper mold - Google Patents

Ejection combined device for anti-sticking mold in grid area of bumper mold Download PDF

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Publication number
CN210132732U
CN210132732U CN201920595681.9U CN201920595681U CN210132732U CN 210132732 U CN210132732 U CN 210132732U CN 201920595681 U CN201920595681 U CN 201920595681U CN 210132732 U CN210132732 U CN 210132732U
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CN
China
Prior art keywords
hole
plate
limiting
ejector pin
mold
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Withdrawn - After Issue
Application number
CN201920595681.9U
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Chinese (zh)
Inventor
张峰
陈才华
周宇
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Wuhan Liaoyuan Mould Plastic Co Ltd
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Wuhan Liaoyuan Mould Plastic Co Ltd
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Priority to CN201920595681.9U priority Critical patent/CN210132732U/en
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Abstract

The utility model relates to a regional ejecting integrated equipment of anti-sticking die of bumper mould grid, its difference lies in: the ejector pin support plate is embedded between the small ejector pin plate and the large ejector pin plate; the combined device further comprises a limiting part, the limiting part comprises a limiting rod and a limiting spring sleeved outside the limiting rod, a first through hole matched with the limiting part is formed in the large thimble plate, the first through hole is divided into an upper hole section and a lower hole section, the diameter of the lower hole section is smaller than that of the upper hole section, the upper end of the limiting rod is fixed with the thimble supporting plate, the lower end of the limiting rod penetrates through the first through hole and extends out of the large thimble plate, a limiting boss is formed at the tail end of the lower end of the limiting rod, the diameter of the limiting boss is larger than that of the lower hole section of the first through hole, the upper end of the limiting spring is fixed with the thimble supporting plate, and the. The utility model discloses simple structure, stability, the drawing of patterns is easy, has improved production efficiency and product percent of pass.

Description

Ejection combined device for anti-sticking mold in grid area of bumper mold
Technical Field
The utility model belongs to the technical field of the injection mold of car and specifically relates to a regional ejecting integrated equipment of anti-sticking die of bumper mould grid.
Background
With the gradual improvement of requirements of people on the appearance and the quality of automobile products, grids are integrated on a bumper, so that the complexity of a bumper mold is greatly improved, and the requirements on the structure and the molding of the mold are higher. Because the bumper grating area structure is complicated, the rib is more, the phenomenon that the rib sticks to the die is easily generated, the die is not easy to be demolded, and the production efficiency and the product quality are seriously influenced.
Disclosure of Invention
An object of the utility model is to overcome prior art's shortcoming, provide a regional ejecting integrated device of anti-sticking die of bumper mould grid, simple structure, stability, the drawing of patterns is easy, has improved production efficiency and product percent of pass.
For solving the above technical problem, the technical scheme of the utility model is that: the utility model provides an ejecting combination unit of regional anti-sticking mould of bumper mould grid which the difference lies in: the ejector pin support plate is embedded between the small ejector pin plate and the large ejector pin plate, wherein a first ejector block extending into a rear mold core is arranged on the small ejector pin plate, and a second ejector block penetrating through the small ejector pin plate and extending into the rear mold core is arranged on the ejector pin support plate; the combination unit still includes the locating part, the locating part includes gag lever post and cover and locates the outer spacing spring of gag lever post, set up on the big thimble board with the first through-hole of locating part complex, first through-hole is divided into upper hole section and diameter and is less than the lower hole section of upper hole section diameter, the upper end of gag lever post with thimble layer board is fixed, the lower extreme passes first through-hole stretches out outside the big thimble board and its lower extreme end are formed with the diameter and are greater than the spacing boss of first through-hole lower hole section diameter, spacing spring's upper end with thimble layer board is fixed, the lower extreme with the interface of first through-hole upper hole section and lower hole section offsets.
According to the technical scheme, the ejector pin plate further comprises a bottom plate arranged at the lower end of the large ejector pin plate, a second through hole coaxial with the first through hole is formed in the bottom plate, and the diameter of the second through hole is larger than or equal to that of the limiting boss.
According to the technical scheme, the small ejector plate is provided with a first limiting cavity matched with the ejector pin supporting plate, and the large ejector plate is provided with a second limiting cavity matched with the ejector pin supporting plate.
According to the technical scheme, the edge of the upper end of the ejector pin supporting plate is provided with the first limiting part, and the first limiting part abuts against the cavity wall of the first limiting cavity during die assembly.
According to the technical scheme, the edge of the lower end of the ejector pin supporting plate is provided with the second limiting part, and the second limiting part abuts against the cavity wall of the second limiting cavity during die assembly.
According to the technical scheme, the locating part is still including being fixed in the stopper of thimble layer board upper end, the lower extreme of stopper seted up with spacing spring complex spacing hole, the third through-hole has been seted up on the thimble layer board, the third through-hole with spacing hole all with first through-hole constant diameter and coaxial setting, the upper end of gag lever post is passed spacing hole and with stopper threaded connection, the upper end of spacing spring pass the third through-hole and with the hole bottom in spacing hole is fixed.
According to the technical scheme, the limiting block and the ejector pin supporting plate are fixed through screws.
Contrast prior art, the beneficial characteristics of the utility model are that: this regional ejecting combination unit who prevents sticking die of bumper mould grid, little thimble board are ejecting forward and are separated the back with big thimble board, under the effect of locating part, thimble layer board forward movement offsets with big thimble board until spacing boss, and little thimble board continues forward movement this moment, and the grid breaks away from with first kicking block and second kicking block respectively, and not only simple structure, stability, the drawing of patterns is easy moreover, has improved production efficiency and product percent of pass.
Drawings
FIG. 1 is a schematic structural view of an ejection combination device of an anti-sticking mold in a grid area of a bumper mold according to an embodiment of the present invention during mold closing;
FIG. 2 is a schematic view of the partial A structure of FIG. 1;
FIG. 3 is a schematic structural view of an ejection combination unit of an anti-sticking mold in a grid region of a bumper mold according to an embodiment of the present invention when the mold is closed;
fig. 4 is a schematic structural view of an ejection combination unit of an anti-sticking mold in a grid region of a bumper mold according to the embodiment of the present invention after secondary ejection;
fig. 5 is a schematic structural view of an ejection combination unit of an anti-sticking mold in a grid region of a bumper mold according to the embodiment of the present invention after secondary ejection;
fig. 6 is a schematic view of a partial structure of an ejection combination unit of an anti-sticking mold in a grid region of a bumper mold according to a novel embodiment of the present invention after primary ejection and before secondary ejection;
wherein: 1-small ejector plate (101-first limiting cavity), 2-large ejector plate (201-first through hole (2011-first through hole upper section, 2012-first through hole lower section, 2013-interface of first through hole upper section and lower section), 202-second limiting cavity), 3-ejector supporting plate (301-first limiting part, 302-second limiting part, 303-third through hole), 4-first ejector block, 5-second ejector block, 6-limiting rod (601-limiting boss), 7-limiting spring, 8-bottom plate (801-second through hole), 9-limiting block (901-limiting hole), 10-screw, 11-primary ejection limiting column, 12-primary ejection cylinder, 13-secondary ejection cylinder, 14-grid (1401-deep rib), 15-rear die holder, 16-first ejector rod and 17-second ejector rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 6, an ejection combination device of an anti-sticking mold in a grid region of a bumper mold according to an embodiment of the present invention includes a small ejector plate 1 and a large ejector plate 2 disposed at a lower end of the small ejector plate 1, an ejector supporting plate 3 is further embedded between the small ejector plate 1 and the large ejector plate 2, wherein a first ejector block 4 extending into a rear mold core is disposed on the small ejector plate 1, the first ejector block 4 is fixed to the small ejector plate 1 through a first ejector rod 16 extending forward, a second ejector block 5 extending into the rear mold core through the small ejector plate 2 is disposed on the ejector supporting plate 3, the second ejector block 5 is fixed to the ejector supporting plate 3 through a second ejector rod 17 extending forward, and the second ejector block 5 is disposed corresponding to a deep rib 1401 of a grid 14; the combination unit still includes the locating part, the locating part includes gag lever post 6 and the cover is located spacing spring 7 outside gag lever post 6, seted up on the big thimble board 2 with the first through-hole 201 of locating part complex, first through-hole 201 is divided into last hole section 2011 and lower hole section 2012, and the diameter of first through-hole last hole section 2011 is greater than the diameter of first through-hole lower hole section 2012, the upper end of gag lever post 6 with thimble supporting plate 3 is fixed, and the lower extreme of gag lever post 6 passes first through-hole 201 stretches out big thimble board 2 is outer and 6 lower extreme ends of gag lever post are formed with spacing boss 601, and the diameter of spacing boss 601 is greater than the diameter of first through-hole lower hole section 2012, the upper end of spacing spring 7 with thimble supporting plate 3 is fixed, the lower extreme of spacing spring 7 with the interface 2013 of first through-hole upper hole section 2011 and lower hole section 2012 offsets.
Specifically, the ejection combination device further comprises a bottom plate 8 arranged at the lower end of the large ejector plate 2, in order to give way to the limiting rod 6, a second through hole 801 coaxial with the first through hole 201 is formed in the bottom plate 8, and the diameter of the second through hole 801 is larger than or equal to that of the limiting boss 601.
Preferably, in order to make the overall structure more stable and compact, the small ejector plate 1 is provided with a first limiting cavity 101 matched with the ejector pin support plate 3, and the large ejector plate 2 is provided with a second limiting cavity 202 matched with the ejector pin support plate 3. More preferably, in order to improve the mold clamping accuracy, a first limiting portion 301 is provided at an upper end edge of the ejector pin supporting plate 3, and the first limiting portion 301 abuts against a cavity wall of the first limiting cavity 101 during mold clamping. More preferably, in order to improve the mold clamping accuracy, a second limit portion 302 is provided at a lower end edge of the thimble holder 3, and the second limit portion 302 abuts against a cavity wall of the second limit cavity 202 during mold clamping. More preferably, in order to make the overall structure more stable and improve the mold opening and closing precision, the limiting member further includes a limiting block 9 fixed to the upper end of the thimble supporting plate 3, a limiting hole 901 matched with the limiting spring 7 is formed at the lower end of the limiting block 9, a third through hole 303 is formed in the thimble supporting plate 3, the third through hole 303 and the limiting hole 901 are both arranged coaxially and in the same diameter as the first through hole 201, the upper end of the limiting rod 6 penetrates through the limiting hole 901 and is in threaded connection with the limiting block 9, and the upper end of the limiting spring 7 penetrates through the third through hole 303 and is fixed to the bottom of the limiting hole 901. In order to facilitate assembly and disassembly, the limiting block 9 and the ejector pin supporting plate 3 are fixed through a screw 10.
Preferably, in order to limit the forward movement distance of the large ejector plate 2, the large ejector plate 2 is provided with a primary ejection limiting column 11.
Fig. 1 to 3 are views showing a state of the ejection unit for preventing mold sticking in the grid region of the bumper mold when the molds are closed. The embodiment of the utility model provides a working principle of the regional ejecting integrated equipment of anti-sticking die of bumper mould grid does: when the mold is opened, the rear mold opens the mold backwards, the rear mold stops moving after the mold is opened, and once ejection is started, specifically: the primary ejection oil cylinder 12 starts to act to drive the large ejector plate 2 to move towards the front mold direction, namely, move forwards, meanwhile, the small ejector plate 1 and the ejector supporting plate 3 move forwards together with the large ejector plate 2, at the moment, the first ejector block 4 and the second ejector block 5 simultaneously eject the grid 14 forwards, when the large ejector plate 2 moves to the position where the upper end of the primary ejection limiting column 11 is in contact with the lower end of the rear mold base 15, the large ejector plate 2 stops moving, primary ejection is completed, and at the moment, secondary ejection starts. The secondary ejection comprises the following specific steps: the secondary ejection oil cylinder 13 starts to act to drive the small ejector plate 1 to move forwards continuously, the ejector pin supporting plate 3 moves forwards relative to the large ejector plate 2 under the action of the elastic force of the limiting spring 7, when the limiting boss 601 abuts against the lower end of the large ejector plate 2, the ejector pin supporting plate 3 stops moving, the first ejector block 4 continues to move forwards along with the small ejector plate 1 at the moment, the deep rib 1401 of the grating 14 is separated from the second ejector block 5, secondary ejection is completed, please refer to fig. 4 to fig. 5, the phenomenon that the deep rib 1401 sticks to a mold is avoided, demolding is easy, and the production efficiency and the product qualification rate are improved.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (7)

1. The utility model provides a regional ejecting integrated equipment of anti-sticking mould of bumper mould grid which characterized in that: the ejector pin support plate is embedded between the small ejector pin plate and the large ejector pin plate, wherein a first ejector block extending into a rear mold core is arranged on the small ejector pin plate, and a second ejector block penetrating through the small ejector pin plate and extending into the rear mold core is arranged on the ejector pin support plate; the combination unit still includes the locating part, the locating part includes gag lever post and cover and locates the outer spacing spring of gag lever post, set up on the big thimble board with the first through-hole of locating part complex, first through-hole is divided into upper hole section and diameter and is less than the lower hole section of upper hole section diameter, the upper end of gag lever post with thimble layer board is fixed, the lower extreme passes first through-hole stretches out outside the big thimble board and its lower extreme end are formed with the diameter and are greater than the spacing boss of first through-hole lower hole section diameter, spacing spring's upper end with thimble layer board is fixed, the lower extreme with the interface of first through-hole upper hole section and lower hole section offsets.
2. The bumper mold grid section anti-mold-stick ejection assembly of claim 1, wherein: the ejector pin plate is characterized by further comprising a bottom plate arranged at the lower end of the large ejector pin plate, a second through hole coaxial with the first through hole is formed in the bottom plate, and the diameter of the second through hole is larger than or equal to that of the limiting boss.
3. The bumper mold grid section anti-mold-stick ejection assembly of claim 1, wherein: the small ejector plate is provided with a first limiting cavity matched with the ejector pin supporting plate, and the large ejector plate is provided with a second limiting cavity matched with the ejector pin supporting plate.
4. The bumper mold grid section anti-mold-sticking ejection assembly of claim 3, wherein: the edge of the upper end of the ejector pin supporting plate is provided with a first limiting part, and when the ejector pin supporting plate is assembled, the first limiting part abuts against the cavity wall of the first limiting cavity.
5. The bumper mold grid section anti-mold-sticking ejection assembly of claim 3, wherein: and a second limiting part is arranged at the edge of the lower end of the ejector pin supporting plate, and the second limiting part is abutted against the cavity wall of the second limiting cavity during die assembly.
6. The bumper mold grid section anti-mold-stick ejection assembly of claim 1, wherein: the locating part is still including being fixed in the stopper of thimble layer board upper end, the lower extreme of stopper seted up with spacing spring complex spacing hole, the third through-hole has been seted up on the thimble layer board, the third through-hole with spacing hole all with first through-hole isodiametric and coaxial setting, the upper end of gag lever post is passed spacing hole and with stopper threaded connection, the upper end of spacing spring pass the third through-hole and with the hole bottom in spacing hole is fixed.
7. The bumper mold grid section anti-mold-sticking ejection assembly of claim 6, wherein: the limiting block and the ejector pin supporting plate are fixed through screws.
CN201920595681.9U 2019-04-28 2019-04-28 Ejection combined device for anti-sticking mold in grid area of bumper mold Withdrawn - After Issue CN210132732U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920595681.9U CN210132732U (en) 2019-04-28 2019-04-28 Ejection combined device for anti-sticking mold in grid area of bumper mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920595681.9U CN210132732U (en) 2019-04-28 2019-04-28 Ejection combined device for anti-sticking mold in grid area of bumper mold

Publications (1)

Publication Number Publication Date
CN210132732U true CN210132732U (en) 2020-03-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110014556A (en) * 2019-04-28 2019-07-16 武汉燎原模塑有限公司 The ejection combined unit of the anti-sticking to mould of bumper mold grid areas

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110014556A (en) * 2019-04-28 2019-07-16 武汉燎原模塑有限公司 The ejection combined unit of the anti-sticking to mould of bumper mold grid areas

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