CN110962391A - Ejection mechanism of bidirectional combined die - Google Patents

Ejection mechanism of bidirectional combined die Download PDF

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Publication number
CN110962391A
CN110962391A CN201911392960.6A CN201911392960A CN110962391A CN 110962391 A CN110962391 A CN 110962391A CN 201911392960 A CN201911392960 A CN 201911392960A CN 110962391 A CN110962391 A CN 110962391A
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CN
China
Prior art keywords
die
plane
female die
thimble
male die
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Granted
Application number
CN201911392960.6A
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Chinese (zh)
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CN110962391B (en
Inventor
赵国梁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN OUJUN DIE TECHNOLOGY Co.,Ltd.
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Dongguan Jiahong Electromechanical Technology Co Ltd
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Priority to CN201911392960.6A priority Critical patent/CN110962391B/en
Publication of CN110962391A publication Critical patent/CN110962391A/en
Application granted granted Critical
Publication of CN110962391B publication Critical patent/CN110962391B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/02Dies; Inserts therefor; Mounting thereof; Moulds

Abstract

The invention discloses an ejection mechanism of a two-way combined die, which comprises a rack, and a first male die and a second male die which are fixedly connected with the rack, wherein a first female die is arranged on the right side of the first male die, a second female die is arranged on the left side of the second male die, and the first female die is fixedly connected with the second female die; a first ejector pin is sleeved in the first female die, a second ejector pin is sleeved in the second female die, and a driving strip capable of moving back and forth is arranged between the first ejector pin and the second ejector pin. According to the invention, the driving strip is driven to move forwards or backwards, so that the corresponding first thimble is driven to move left or the second thimble is driven to move right, thus the article is effectively ejected, the danger coefficient of workers can be reduced, and the workpiece taking efficiency is improved.

Description

Ejection mechanism of bidirectional combined die
Technical Field
The invention relates to the technical field of metal molds, in particular to an ejection mechanism of a bidirectional combined mold.
Background
The mould is a mould and a tool for obtaining a required product by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In order to improve the production efficiency of articles, a bidirectional combined die is provided, which comprises two sets of communicated or different dies, wherein a formed article is manufactured on one die, and the other die can take off the just-formed article, but if the article is taken manually, the danger coefficient is high, and the article taking efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an ejection mechanism of a bidirectional combined die, which drives a driving strip to move forwards or backwards so as to drive a corresponding first ejector pin to move left or a corresponding second ejector pin to move right, thereby effectively ejecting an article, reducing the danger coefficient of workers and improving the workpiece taking efficiency.
The scheme for solving the technical problems is as follows:
the ejection mechanism of the two-way combined die comprises a rack, and a first male die and a second male die which are fixedly connected with the rack, wherein a first female die corresponding to the first male die is arranged on the right side of the first male die, a second female die corresponding to the second male die is arranged on the left side of the second male die, and the first female die is fixedly connected with the second female die; a first ejector pin is sleeved in the first female die, a second ejector pin is sleeved in the second female die, a driving strip capable of moving back and forth is arranged between the first ejector pin and the second ejector pin, a left rear high plane, a left front low plane and a left inclined plane connecting the left rear high plane and the left front low plane are formed on the left side wall of the driving strip, and the interior of the first ejector pin is pressed on the end part, close to the left inclined plane, of the left front low plane; the shaping has right front high plane, right back low plane and links up right front high plane, right back low plane's right inclined plane on the right side wall of driver strip, the inner of second thimble presses the tip that right back low plane is close to right inclined plane, the front end of frame is equipped with first hydro-cylinder, and the piston rod of first hydro-cylinder is just to the rear end of driver strip, the rear end of frame is equipped with the second hydro-cylinder.
The first female die is formed with a first type groove, a first rectangular groove and a first step through hole for communicating the first type groove and the first rectangular groove; the first thimble comprises a first outer top part, a first connecting rod and a first inner top part, the first outer top part is inserted and sleeved in the small end hole of the first step through hole, the first inner top part is pressed on the left front low plane, the first connecting rod is sleeved with a first return spring, and two ends of the first return spring are respectively pressed on the step surface and the first inner top part of the first step through hole;
the second female die is formed with a second groove, a second rectangular groove and a second step through hole for communicating the second groove and the second rectangular groove; the second thimble comprises a second outer top part, a second connecting rod and a second inner top part, the second outer top part is inserted in the lower end hole of the second step through hole in a sleeved mode, the second inner top part is pressed against the right rear lower plane, the second connecting rod is sleeved with a second return spring, and two ends of the second return spring are respectively pressed against the step surface and the second inner top part of the second step through hole;
the driving strip insertion hole is formed in a rectangular hole formed by the first rectangular groove and the second rectangular groove.
A first support lug is fixed at the front end of the left front low plane, a first return spring is fixed on the first support lug, and the other end of the first spring is fixedly connected with a first female die;
and a second support lug is fixed at the rear end of the right rear low plane, a second return spring is fixed on the second support lug, and the other end of the second return spring is fixedly connected with a second female die.
The end part of the first inner top part close to the left front low plane is formed with a round angle, and the end part of the second inner top part close to the right rear low plane is formed with a round angle.
A first counter bore is formed in the parting surface of the first male die, a first ejector block is arranged in the first counter bore, and the first ejector block is fixedly connected with a piston rod of a third oil cylinder fixed in the first male die; and a second counter bore is formed in the parting surface of the second male die, a second ejector block which is coaxial with the second counter bore is arranged on the left side of the second counter bore, the second ejector block is pressed on the parting surface of the second female die, and the second ejector block is fixedly connected with a piston rod of a fourth oil cylinder fixed in the second male die.
And the distance L1 between the parting surface of the second male die and the parting surface of the second female die is equal to the distance L2 between the piston rod of the second oil cylinder and the middle part of the rear end of the driving strip.
The first jacking block and the third oil cylinder are respectively provided with two, and the two first jacking blocks and the third oil cylinder are arranged in front and at the back; the second ejector blocks and the fourth oil cylinders are respectively provided with two, and the two second ejector blocks and the four oil cylinders are arranged in a front-back mode.
Four supporting guide rods arranged in the left-right direction are fixed between the first male die and the second male die, and the first female die and the second female die are sleeved on the supporting guide rods.
The invention has the following outstanding effects: compared with the prior art, the driving strip is driven to move forwards or backwards, so that the corresponding first ejector pin moves leftwards or the second ejector pin moves rightwards, the article is effectively ejected out, the danger coefficient of workers can be reduced, and the article taking efficiency is improved.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1 taken about A-A;
FIG. 3 is an enlarged view of a portion of FIG. 1 with respect to B;
fig. 4 is a second plan view of the present invention.
Detailed Description
In an embodiment, as shown in fig. 1 to 4, an ejection mechanism of a two-way combined mold comprises a frame 11, and a first punch 12 and a second punch 13 fixedly connected with the frame 11, wherein a first female mold 14 corresponding to the first punch 12 is arranged on the right side of the first punch 12, a second female mold 15 corresponding to the second punch 13 is arranged on the left side of the second punch 13, and the first female mold 14 and the second female mold 15 are fixedly connected; a first thimble 16 is sleeved in the first female die 14, a second thimble 17 is sleeved in the second female die 15, a driving strip 18 capable of moving back and forth is arranged between the first thimble 16 and the second thimble 17, a left rear high plane 181, a left front low plane 182 and a left inclined plane 183 connecting the left rear high plane 181 and the left front low plane 182 are formed on the left side wall of the driving strip 18, and the interior of the first thimble 16 is pressed on the end part of the left front low plane 182 close to the left inclined plane 183; a right front high plane 184, a right rear low plane 185 and a right inclined plane 186 connecting the right front high plane 184 and the right rear low plane 185 are formed on the right side wall of the driving bar 18, the inner end of the second thimble 17 is pressed against the end part of the right rear low plane 185 close to the right inclined plane 186, the front end of the frame 11 is provided with a first oil cylinder 19, the piston rod of the first oil cylinder 19 is over against the rear end of the driving bar 18, and the rear end of the frame 11 is provided with a second oil cylinder 20.
Furthermore, the first concave die 14 is formed with a first type groove 141, a first rectangular groove 142 and a first step through hole 143 for communicating the first type groove 141 and the first rectangular groove 142; the first thimble 16 comprises a first outer top 161, a first connecting rod 162 and a first inner top 163, the first outer top 161 is inserted and sleeved in the small end hole of the first step through hole 143, the first inner top 163 is pressed against the left front low plane 182, the first connecting rod 162 is sleeved with a first return spring 21, and two ends of the first return spring 21 are respectively pressed against the step surface of the first step through hole 143 and the first inner top 163;
the second female die 15 is formed with a second type groove 151, a second rectangular groove 152 and a second step through hole 153 communicating the second type groove 151 and the second rectangular groove 152; the second thimble 17 comprises a second outer top 171, a second connecting rod 172 and a second inner top 173, the second outer top 171 is inserted into the lower end hole of the second stepped through hole 153, the second inner top 173 is pressed against the right rear low plane 185, the second connecting rod 172 is sleeved with a second return spring 22, and two ends of the second return spring 22 are respectively pressed against the stepped surface of the second stepped through hole 153 and the second inner top 173;
the driver blade 18 is received within the rectangular aperture formed by the first rectangular slot 142 and the second rectangular slot 152.
Furthermore, a first lug 23 is fixed at the front end of the left front low plane 182, a first return spring 24 is fixed on the first lug 23, and the other end of the first spring 24 is fixedly connected with the first concave die 14;
a second lug 25 is fixed at the rear end of the right rear low plane 185, a second return spring 26 is fixed on the second lug 25, and the other end of the second return spring 26 is fixedly connected with the second female die 15.
Further, the first inner top 163 is rounded at the end adjacent to the left front low plane 182, and the second inner top 173 is rounded at the end adjacent to the right rear low plane 185.
Furthermore, a first counter bore 121 is formed on the parting surface of the first male die 12, a first ejector block 27 is arranged in the first counter bore 121, and the first ejector block 27 is fixedly connected with a piston rod of a third oil cylinder 28 fixed inside the first male die 12; a second counter bore 131 is formed in the parting surface of the second male die 13, a second ejector block 29 which is coaxial with the second counter bore 131 is arranged on the left side of the second counter bore 131, the second ejector block 29 presses against the parting surface of the second female die 15, and the second ejector block 29 is fixedly connected with a piston rod of a fourth oil cylinder 30 fixed inside the second male die 13.
Further, a distance L1 between the parting surface of the second punch 13 and the parting surface of the second die 15 is equal to a distance L2 between the piston rod of the second cylinder 20 and the middle of the rear end of the driving bar 18.
Furthermore, two first jacking blocks 27 and two third oil cylinders 28 are respectively arranged, and the two first jacking blocks 27 and the two third oil cylinders 28 are arranged in front of and behind each other; the number of the second ejector blocks 29 and the number of the fourth oil cylinders 30 are two, and the two second ejector blocks 29 and the four oil cylinders 30 are arranged in front and back.
Furthermore, four supporting guide rods 31 arranged in the left-right direction are fixed between the first male die 12 and the second male die 13, and the first female die 14 and the second female die 15 are sleeved on the supporting guide rods 31.
The working principle is as follows: firstly, a piston rod of a fourth oil cylinder 40 extends to drive a second ejector block 29 to move left, the second ejector block 29 pushes a second female die 15 to the left, a first female die 14 and a first male die 12 are combined together, and then a molded article is manufactured in a cavity formed by the first male die and the second female die; when a molded article is manufactured, a piston rod of the first oil cylinder 19 extends, the piston rod of the first oil cylinder 19 presses against the front end of the driving bar 18 and pushes the driving bar 18 to the rear, the right front high plane 184 moves to the second inner top of the second ejector pin through the action of the right front high plane 184, the right rear low plane 185 and the right inclined plane 186 of the driving bar 18, so that the second ejector pin is ejected rightwards, the second ejector pin ejects the article molded by the first male die and the second female die, then the piston rod of the first oil cylinder contracts and resets, and the driving bar moves forwards and resets under the action of the first return spring 24 and the second return spring 26; secondly, after the molded articles are manufactured on the first male die and the second female die, the piston rod of the fourth oil cylinder 40 is contracted and reset, the second jacking block 29 is contracted into the second counter bore 131, then a piston rod of the third oil cylinder extends to drive the first ejector block to move right, the first ejector block ejects the first female die to the right side, the first female die takes away the formed article, then the second female die and the second male die are combined together again, a molded article is manufactured in a cavity formed by the second female die and the second male die, and when the molded article is manufactured on the second female die and the second male die, the piston rod of the second cylinder 20 is extended, the piston rod of the second cylinder pushes the driver blade 18 to the front side, through the action of the front low plane 182, the rear high plane 181 and the left inclined plane 183 of the driving bar, the rear high plane 181 moves to the first inner top portion of the first thimble, so that the first thimble is ejected leftwards, and the article on the first female die is ejected.
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 a two-way assembling die's ejection mechanism, includes frame (11), first terrace die (12) and second terrace die (13) with frame (11) fixed connection, its characterized in that: a first female die (14) corresponding to the first male die (12) is arranged on the right side of the first male die (12), a second female die (15) corresponding to the second male die (13) is arranged on the left side of the second male die (13), and the first female die (14) is fixedly connected with the second female die (15); a first thimble (16) is sleeved in the first female die (14), a second thimble (17) is sleeved in the second female die (15), a driving strip (18) capable of moving back and forth is arranged between the first thimble (16) and the second thimble (17), a left rear high plane (181), a left front low plane (182) and a left inclined plane (183) connecting the left rear high plane (181) and the left front low plane (182) are formed on the left side wall of the driving strip (18), and the interior of the first thimble (16) is pressed on the end part, close to the left inclined plane (183), of the left front low plane (182); the shaping has right front high plane (184), right back low plane (185) and links up right front high plane (184), right back low plane (185) right inclined plane (186) of right back low plane (185) on the right side wall of driver strip (18), the inner of second thimble (17) presses the tip that right back low plane (185) are close to right inclined plane (186), the front end of frame (11) is equipped with first hydro-cylinder (19), and the piston rod of first hydro-cylinder (19) is just to the rear end of driver strip (18), the rear end of frame (11) is equipped with second hydro-cylinder (20).
2. The ejection mechanism of a two-way combination mold according to claim 1, characterized in that: the first female die (14) is provided with a first type groove (141), a first rectangular groove (142) and a first step through hole (143) for communicating the first type groove (141) with the first rectangular groove (142); the first thimble (16) comprises a first outer top (161), a first connecting rod (162) and a first inner top (163), the first outer top (161) is inserted and sleeved in a small end hole of the first step through hole (143), the first inner top (163) is pressed against a left front low plane (182), the first connecting rod (162) is sleeved with a first return spring (21), and two ends of the first return spring (21) are respectively pressed against a step surface of the first step through hole (143) and the first inner top (163);
a second groove (151), a second rectangular groove (152) and a second step through hole (153) for communicating the second groove (151) and the second rectangular groove (152) are formed in the second female die (15); the second thimble (17) comprises a second outer top (171), a second connecting rod (172) and a second inner top (173), the second outer top (171) is inserted into the lower end hole of the second step through hole (153), the second inner top (173) is pressed against the right rear low plane (185), a second return spring (22) is sleeved on the second connecting rod (172), and two ends of the second return spring (22) are respectively pressed against the step surface of the second step through hole (153) and the second inner top (173);
the drive bar (18) is inserted into a rectangular hole formed by the first rectangular groove (142) and the second rectangular groove (152).
3. The ejection mechanism of a two-way combination mold according to claim 1, characterized in that: a first support lug (23) is fixed at the front end of the left front low plane (182), a first return spring (24) is fixed on the first support lug (23), and the other end of the first spring (24) is fixedly connected with the first female die (14);
and a second lug (25) is fixed at the rear end of the right rear low plane (185), a second return spring (26) is fixed on the second lug (25), and the other end of the second return spring (26) is fixedly connected with a second female die (15).
4. The ejection mechanism of a two-way combination mold according to claim 1, characterized in that: the first inner top (163) is rounded at the end near the left front lower plane (182) and the second inner top (173) is rounded at the end near the right rear lower plane (185).
5. The ejection mechanism of a two-way combination mold according to claim 1, characterized in that: a first counter bore (121) is formed in the parting surface of the first male die (12), a first ejector block (27) is arranged in the first counter bore (121), and the first ejector block (27) is fixedly connected with a piston rod of a third oil cylinder (28) fixed in the first male die (12); a second counter bore (131) is formed in the parting surface of the second male die (13), a second ejector block (29) which is coaxial with the second counter bore (131) is arranged on the left side of the second counter bore (131), the second ejector block (29) is pressed on the parting surface of the second female die (15), and the second ejector block (29) is fixedly connected with a piston rod of a fourth oil cylinder (30) fixed inside the second male die (13).
6. The ejection mechanism of a two-way combination mold according to claim 1, characterized in that: and the distance L1 between the parting surface of the second male die (13) and the parting surface of the second female die (15) is equal to the distance L2 between the piston rod of the second oil cylinder (20) and the middle part of the rear end of the driving strip (18).
7. The ejector mechanism of a two-way combination die of claim 5, wherein: the first ejector blocks (27) and the third oil cylinders (28) are respectively provided with two, and the two first ejector blocks (27) and the third oil cylinders (28) are arranged in front and back; the number of the second ejector blocks (29) and the number of the fourth oil cylinders (30) are two, and the two second ejector blocks (29) and the four oil cylinders (30) are arranged in a front-back mode.
8. The ejection mechanism of a two-way combination mold according to claim 1, characterized in that: four supporting guide rods (31) arranged in the left-right direction are fixed between the first male die (12) and the second male die (13), and the first female die (14) and the second female die (15) are sleeved on the supporting guide rods (31).
CN201911392960.6A 2019-12-30 2019-12-30 Ejection mechanism of bidirectional combined die Active CN110962391B (en)

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CN110962391A true CN110962391A (en) 2020-04-07
CN110962391B CN110962391B (en) 2021-11-23

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CN207657102U (en) * 2017-12-12 2018-07-27 深圳市美德精密科技有限公司 A kind of complex precise injection mold of the oblique pulled core structure in many places
CN208133533U (en) * 2018-04-09 2018-11-23 深圳市宏拓伟业精密五金制品有限公司 The long-service die of low abrasion
CN208450446U (en) * 2018-06-07 2019-02-01 天津信望爱科技有限公司 A kind of efficient demolding structure of mold shaping workpiece
CN108748889A (en) * 2018-07-16 2018-11-06 刘福芳 A kind of automobile car bonnet injection mold
CN208841742U (en) * 2018-09-28 2019-05-10 深圳市赛普尔精密塑胶模具有限公司 A kind of injection mold with flat thimble ejection mechanism
CN209224500U (en) * 2018-10-12 2019-08-09 南京汉晟模具科技有限公司 A kind of two direction ejecting mechanism of plastic mould
CN209224474U (en) * 2018-10-22 2019-08-09 上海岑锐金属制品有限公司 It is a kind of for the connector mold of support plate accessories manufacturing
CN209111455U (en) * 2018-10-24 2019-07-16 骏艺精密模具(苏州)有限公司 A kind of Novel secondary ejection mechanism
CN209320220U (en) * 2018-11-13 2019-08-30 厦门齐强胜模具有限公司 The ejecting mechanism of mold
CN209158857U (en) * 2018-11-15 2019-07-26 黄石名圣模具材料有限公司 It is a kind of can fast demoulding plastic mould
CN109746340A (en) * 2018-11-16 2019-05-14 嘉兴市隆昌不锈钢机械设备有限公司 A kind of 3 balanced type stamping die liftout attachments
CN109483829A (en) * 2018-11-23 2019-03-19 翁国峰 A kind of balanced type liftout attachment of injection mold
CN209336022U (en) * 2018-11-29 2019-09-03 台州市黄岩雷丰模具有限公司 Ornamental engraving European dining chair cushion oblique top in side demoulds injection mold
CN209830020U (en) * 2019-01-18 2019-12-24 重庆金昌汽车部件有限公司 Pressing die with truncated cone-shaped discharging block and capable of automatically taking out finished products and waste materials
CN109648799A (en) * 2019-01-29 2019-04-19 深圳市金彩虹精密制造股份有限公司 Excessive injection molding means for correcting

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