CN204160710U - The twice-die-opening core-pulling mechanism of the pre-cross-under string holes of terminal box injection mold - Google Patents
The twice-die-opening core-pulling mechanism of the pre-cross-under string holes of terminal box injection mold Download PDFInfo
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- CN204160710U CN204160710U CN201420558102.0U CN201420558102U CN204160710U CN 204160710 U CN204160710 U CN 204160710U CN 201420558102 U CN201420558102 U CN 201420558102U CN 204160710 U CN204160710 U CN 204160710U
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Abstract
The twice-die-opening core-pulling mechanism of the pre-cross-under string holes of terminal box injection mold, twice-die-opening pull bar is installed in the side being included in compound plate, twice-die-opening pull bar is shaped with twice-die-opening drag hook and ramp, at backing plate and core fixing plate side, a die sinking pull bar is installed, one time die sinking pull bar side is shaped with a die sinking drag hook and lower plane, mounting groove is opened in the side of die cavity, in mounting groove, block is set, between block one and mounting groove, spring is set, top, block other end is shaped with straight block face, bottom is shaped with lower inclined thrust surface, upper straight block face contacts with the lower plane of a die sinking drag hook, lower inclined thrust surface contacts with the ramp of twice-die-opening drag hook, perforation insert and guide pad are set in die cavity, match with the pre-punching of terminal box outer wall in pre-punching insert side, opposite side is shaped with slant rail, guide pad top fixes through screw and upper compound plate, guide pad bottom is shaped with inclined guide groove, inclined guide groove matches with slant rail.
Description
Technical field
The utility model relates to the injection mold of terminal box, particularly relates to the twice-die-opening core-pulling mechanism of the pre-cross-under string holes of terminal box injection mold.
Background technology
Terminal box (or claiming glue camera bellows, socket box) is mounted in house sidings, and for mounting circuit switch, supply socket etc., due to the development of building industry, the demand of terminal box is also very large.Existing terminal box normally first with injection mold by terminal box injection mo(u)lding, then terminal box is placed in punch press, carry out the pre-cross-under string holes of punching press by the die head butted line box of punch press and (i.e. the box body of butted line box stamps out the impression of through wires hole, when wiring, with instruments such as screwdrivers, shock is carried out to through wires hole impression and become through hole), two procedure of processings are divided to carry out the injection moulding of terminal box and the pre-cross-under string holes of punching press, and need injection mold and punch press two machines, make trouble, production efficiency is low, and the input cost of production equipment is high.
Summary of the invention
The purpose of this utility model is the shortcoming existed to overcome prior art, there is provided a kind of on the wall of terminal box, directly inject pre-cross-under string holes, easily manufactured, enhance productivity, reduce the twice-die-opening core-pulling mechanism of the pre-cross-under string holes of terminal box injection mold of production equipment input cost.
The technical scheme of the twice-die-opening core-pulling mechanism of the pre-cross-under string holes of the utility model terminal box injection mold is: comprise compound plate and lower compound plate, under upper compound plate, die cavity is set, lower compound plate arranges mould pin, lower compound plate between mould pin arranges ejector retainner plate, lower ejector retainner plate and thimble, mould pin arranges backing plate, backing plate arranges core fixing plate, in core fixing plate, core is set, the terminal box of injection mo(u)lding is had between core and die cavity, core fixing plate arranges stripper plate, stripper plate and thimble fix, contact with terminal box above stripper plate, it is characterized in that: twice-die-opening pull bar is installed in the side of described upper compound plate, twice-die-opening pull bar is shaped with twice-die-opening drag hook, twice-die-opening drag hook is shaped with ramp, at backing plate and core fixing plate side, a die sinking pull bar is installed, one time die sinking pull bar side is shaped with a die sinking drag hook, lower plane is shaped with under a die sinking drag hook, mounting groove is opened in the side of die cavity, in mounting groove, block is set, between block one and mounting groove, spring is set, top, block other end is shaped with straight block face, bottom is shaped with lower inclined thrust surface, upper straight block face contacts with the lower plane of a die sinking drag hook, lower inclined thrust surface contacts with the ramp of twice-die-opening drag hook, perforation insert and guide pad are set in die cavity, match with the pre-punching of terminal box outer wall in pre-punching insert side, opposite side is shaped with slant rail, guide pad top fixes through screw and upper compound plate, guide pad bottom is shaped with inclined guide groove, inclined guide groove matches with slant rail.
The utility model discloses the twice-die-opening core-pulling mechanism of the pre-cross-under string holes of a kind of terminal box injection mold, when after terminal box injection mo(u)lding, injection machine drives lower compound plate to move down, lower compound plate band dynamic model pin, upper ejector retainner plate, lower ejector retainner plate, thimble, backing plate, core fixing plate, core, stripper plate and terminal box move backward, backing plate and core fixing plate drive a die sinking pull bar to move backward, lower plane under a die sinking drag hook of a die sinking pull bar contacts with the upper straight block face of block, thus drive die cavity together to move backward, die cavity drives pre-punching insert to move backward, and upper compound plate, twice-die-opening pull bar and guide pad then keep motionless, mould is from upper compound plate and a die cavity die sinking, the slant rail of now pre-punching insert matches with the inclined guide groove of guide pad, make pre-punching insert in mobile pre-punching of outwards extracting terminal box along inclined guide groove out backward simultaneously, when the block of cavity lateral move to backward contact with twice-die-opening drag hook time, the ramp of twice-die-opening drag hook contacts with the lower inclined thrust surface of block, block is made to overcome the elastic force of spring, along in the inside retraction mounting groove of ramp, now block no longer contacts with a die sinking drag hook, die cavity stops moving backward, mould is just from core and die cavity twice-die-opening, last by upper, lower ejector retainner plate drives thimble, the terminal box ejection device that thimble drives stripper plate to complete pre-punching and loose core.The twice-die-opening core-pulling mechanism of the pre-cross-under string holes of this programme terminal box injection mold, by arranging pre-punching insert in die cavity, when after terminal box injection mo(u)lding, its wall just has pre-punching, the cooperation of a die sinking pull bar and block is utilized when mould die sinking, mould is opened from upper compound plate and die cavity, pre-punching insert is made to extract the pre-punching of terminal box out, the cooperation of recycling twice-die-opening pull bar and block, mould is opened from die cavity and core, by product ejection device, structure is simple, easily manufactured, enhance productivity, reduce production equipment input cost.
The twice-die-opening core-pulling mechanism of the pre-cross-under string holes of the utility model terminal box injection mold, described block is shaped with stopper slot, and mounting limit pin in die cavity, spacer pin matches with stopper slot.
Accompanying drawing explanation
Fig. 1 is the structural representation of the twice-die-opening core-pulling mechanism of the pre-cross-under string holes of the utility model terminal box injection mold;
Fig. 2 is the A place close-up schematic view of Fig. 1;
Fig. 3 is the structural representation of terminal box.
Detailed description of the invention
The utility model relates to the twice-die-opening core-pulling mechanism of the pre-cross-under string holes of a kind of terminal box injection mold, as shown in Fig. 1-Fig. 3, comprise compound plate 1 and lower compound plate 2, die cavity 3 is set under upper compound plate, lower compound plate arranges mould pin 4, lower compound plate between mould pin arranges ejector retainner plate 5, lower ejector retainner plate 6 and thimble 7, mould pin is arranged backing plate 8, backing plate is arranged core fixing plate 9, core 10 is set in core fixing plate, the terminal box 11 of injection mo(u)lding is had between core and die cavity 3, terminal box has pre-punching 27, core fixing plate is arranged stripper plate 12, stripper plate and thimble 7 fix, contact with terminal box above stripper plate, twice-die-opening pull bar 13 is installed in the side of described upper compound plate 1, twice-die-opening pull bar is shaped with twice-die-opening drag hook 14, twice-die-opening drag hook is shaped with ramp 15, at backing plate 8 and core fixing plate 9 side, a die sinking pull bar 16 is installed, one time die sinking pull bar side is shaped with a die sinking drag hook 17, lower plane 18 is shaped with under a die sinking drag hook, mounting groove 19 is opened in the side of die cavity 3, block 20 is set in mounting groove, between block one and mounting groove, spring 21 is set, top, block other end is shaped with straight block face 22, bottom is shaped with lower inclined thrust surface 23, upper straight block face contacts with the lower plane 18 of a die sinking drag hook 17, lower inclined thrust surface contacts with the ramp 15 of twice-die-opening drag hook 14, perforation insert 31 and guide pad 32 are set in die cavity 3, match with the pre-punching of terminal box 11 outer wall in pre-punching insert side, opposite side is shaped with slant rail 33, guide pad top fixes through screw 34 and upper compound plate 1, guide pad bottom is shaped with inclined guide groove 35, inclined guide groove matches with slant rail.When after terminal box 11 injection mo(u)lding, injection machine drives lower compound plate 2 to move down, lower compound plate band dynamic model pin 4, upper ejector retainner plate 5, lower ejector retainner plate 6, thimble 7, backing plate 8, core fixing plate 9, core 10, stripper plate 12 and terminal box 11 move backward, backing plate 8 and core fixing plate 9 drive a die sinking pull bar 16 to move backward, lower plane 18 under a die sinking drag hook 17 of a die sinking pull bar 16 contacts with the upper straight block face 22 of block 20, thus drive die cavity 3 together to move backward, die cavity 3 drives pre-punching insert 31 to move backward, and upper compound plate 1, twice-die-opening pull bar 13 and guide pad 32 maintenance motionless, mould is from upper compound plate 1 and die cavity 3 die sinkings, the slant rail 33 of now pre-punching insert 31 matches with the inclined guide groove 35 of guide pad 32, make pre-punching insert 32 in mobile pre-punching of outwards extracting terminal box 11 along inclined guide groove 35 out backward simultaneously, when the block 20 of die cavity 3 sidewall move to backward contact with twice-die-opening drag hook 14 time, the ramp 15 of twice-die-opening drag hook 14 contacts with the lower inclined thrust surface 23 of block 20, block 20 is made to overcome the elastic force of spring 21, along in ramp 15 inwardly retraction mounting groove 19, now block 20 no longer contacts with a die sinking drag hook 17, die cavity 3 stops moving backward, mould is just from core 10 and die cavity 3 twice-die-opening, last by upper, lower ejector retainner plate drives thimble, terminal box 11 ejection device that thimble drives stripper plate 12 to complete pre-punching and loose core.The twice-die-opening core-pulling mechanism of the pre-cross-under string holes of this programme terminal box injection mold, by arranging pre-punching insert in die cavity, when after terminal box injection mo(u)lding, its wall just has pre-punching, the cooperation of a die sinking pull bar and block is utilized when mould die sinking, mould is opened from upper compound plate and die cavity, pre-punching insert is made to extract the pre-punching of terminal box out, the cooperation of recycling twice-die-opening pull bar and block, mould is opened from die cavity and core, by product ejection device, structure is simple, easily manufactured, enhance productivity, reduce production equipment input cost.Described block 20 is shaped with stopper slot 24, and mounting limit pin 25 in die cavity 3, spacer pin matches with stopper slot.
Claims (2)
1. the twice-die-opening core-pulling mechanism of the pre-cross-under string holes of terminal box injection mold, comprise compound plate (1) and lower compound plate (2), die cavity (3) is set under upper compound plate, lower compound plate arranges mould pin (4), lower compound plate between mould pin is arranged ejector retainner plate (5), lower ejector retainner plate (6) and thimble (7), mould pin is arranged backing plate (8), backing plate is arranged core fixing plate (9), core (10) is set in core fixing plate, the terminal box (11) of injection mo(u)lding is had between core and die cavity (3), terminal box has pre-punching (27), core fixing plate is arranged stripper plate (12), stripper plate and thimble (7) fix, contact with terminal box above stripper plate, it is characterized in that: twice-die-opening pull bar (13) is installed in the side of described upper compound plate (1), twice-die-opening pull bar is shaped with twice-die-opening drag hook (14), twice-die-opening drag hook is shaped with ramp (15), at backing plate (8) and core fixing plate (9) side, a die sinking pull bar (16) is installed, one time die sinking pull bar side is shaped with a die sinking drag hook (17), lower plane (18) is shaped with under a die sinking drag hook, mounting groove (19) is opened in the side of die cavity (3), block (20) is set in mounting groove, spring (21) is set between block one and mounting groove, top, block other end is shaped with straight block face (22), bottom is shaped with lower inclined thrust surface (23), upper straight block face contacts with the lower plane (18) of a die sinking drag hook (17), lower inclined thrust surface contacts with the ramp (15) of twice-die-opening drag hook (14), perforation insert (31) and guide pad (32) are set in die cavity (3), match with the pre-punching of terminal box (11) outer wall in pre-punching insert side, opposite side is shaped with slant rail (33), guide pad top fixes through screw (34) and upper compound plate (1), guide pad bottom is shaped with inclined guide groove (35), inclined guide groove matches with slant rail.
2. the twice-die-opening core-pulling mechanism of the pre-cross-under string holes of terminal box injection mold as claimed in claim 1, it is characterized in that: described block (20) is shaped with stopper slot (24), mounting limit pin (25) in die cavity (3), spacer pin matches with stopper slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420558102.0U CN204160710U (en) | 2014-09-26 | 2014-09-26 | The twice-die-opening core-pulling mechanism of the pre-cross-under string holes of terminal box injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420558102.0U CN204160710U (en) | 2014-09-26 | 2014-09-26 | The twice-die-opening core-pulling mechanism of the pre-cross-under string holes of terminal box injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204160710U true CN204160710U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420558102.0U Expired - Fee Related CN204160710U (en) | 2014-09-26 | 2014-09-26 | The twice-die-opening core-pulling mechanism of the pre-cross-under string holes of terminal box injection mold |
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| Country | Link |
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| CN (1) | CN204160710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856509A (en) * | 2016-05-31 | 2016-08-17 | 永高股份有限公司 | Injection mold threaded rack matching type eight-head internal thread core-pulling mechanism |
-
2014
- 2014-09-26 CN CN201420558102.0U patent/CN204160710U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856509A (en) * | 2016-05-31 | 2016-08-17 | 永高股份有限公司 | Injection mold threaded rack matching type eight-head internal thread core-pulling mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20180926 |