CN217258072U - Secondary core-pulling mechanism for fixed die oil cylinder of injection mold of bottom shell of automobile rear combined lamp - Google Patents
Secondary core-pulling mechanism for fixed die oil cylinder of injection mold of bottom shell of automobile rear combined lamp Download PDFInfo
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- CN217258072U CN217258072U CN202123045687.5U CN202123045687U CN217258072U CN 217258072 U CN217258072 U CN 217258072U CN 202123045687 U CN202123045687 U CN 202123045687U CN 217258072 U CN217258072 U CN 217258072U
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Abstract
The utility model provides a mechanism of loosing core of car rear combination lamp under casing injection mould cover half hydro-cylinder secondary belongs to mould technical field. The core-pulling mechanism comprises an upper template and a lower template, wherein two forming cavities are arranged between the upper template and the lower template, the two forming cavities are symmetrically arranged along the central line of the upper template, a bottom shell fastener forming structure is arranged on one side of each forming cavity, and two secondary core-pulling assemblies which are horizontally inserted into the forming cavities are further arranged on the upper template. Two molding cavities in cope match-plate pattern and the lower bolster can mould plastics two combination lamp drain pan products simultaneously, and drain pan fastener forming structure can be on the combination lamp product injection moulding play the buckle structure that is used for the installation, and the secondary subassembly of loosing core can form the connecting hole on the buckle and can not lead to drivers such as hydro-cylinder or cylinder to move back when moulding plastics because the intracavity is pressed to the chamber.
Description
Technical Field
The utility model belongs to the technical field of the mould, a mechanism of loosing core of car rear combination lamp chassis injection mould cover half hydro-cylinder secondary is related to.
Background
The production of the combined lamp bottom shell is generally realized through injection molding, due to the installation requirement, a buckle which is used for installation and is provided with a connecting hole needs to be processed on the combined lamp bottom shell, in the prior art, the connecting hole is formed at the buckle part of a product through a mode of arranging a core block in a mold, the core block is driven to be separated from the product through an oil cylinder or an air cylinder when the product is demolded, and the problem that the oil cylinder or the air cylinder moves back due to the fact that the cavity of a forming cavity is pressed too large when the product is subjected to injection molding can occur.
In order to overcome the defects of the prior art, various solutions are proposed through continuous exploration, for example, a core-pulling mechanism is disclosed in a chinese patent application No. [ application number: 201520903893.0], arranged on a movable die and a fixed die of a die casting machine, a core is arranged between the movable die and the fixed die, a conical die sleeve is arranged in the movable die, the core is positioned in the conical die sleeve, a plurality of split sliding blocks are arranged between the core and the conical die sleeve, the inner side surface of the sliding block side is provided with a bulge capable of drawing a lateral hole, and a casting cavity is enclosed among the fixed die, the core and the sliding blocks; each sliding block is hinged with an independent linkage rod, the linkage rods are tightly attached to the inner part of the conical die sleeve, and all the linkage rods are movably connected with a movable push plate arranged on the movable die.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above problem, a mechanism is taken out to combination lamp bottom shell injection mould cover half hydro-cylinder secondary behind car is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a mechanism of loosing core of combination lamp chassis injection mould cover half hydro-cylinder secondary behind car, includes cope match-plate pattern and lower bolster, cope match-plate pattern and lower bolster between be equipped with two molding chambers, two molding chambers set up along the central line symmetry of cope match-plate pattern, molding chamber one side be equipped with drain pan fastener shaping structure, the cope match-plate pattern on still be equipped with two levels and insert the subassembly of loosing core to the secondary of molding intracavity.
In foretell automobile back combination lamp drain pan injection mould cover half hydro-cylinder secondary mechanism of loosing core, the secondary subassembly of loosing core including fixing the driver mount pad at the cope match-plate pattern lateral part, driver mount pad both sides translation slider that the level set up through bullet piece structural connection, the driver mount pad on still be equipped with translation drive assembly, translation drive assembly the inner limit structure through setting up in translation slider be connected with the connecting rod of loosing core, the connecting rod of loosing core the inner fastener hole shaping pole that links firmly to insert to drain pan fastener shaping structure department.
In the fixed die oil cylinder secondary core pulling mechanism for the injection mold of the bottom shell of the automobile rear combination lamp, the bottom shell fastener forming structure comprises a fastener forming block fixed on the lower template, the inner end face of the fastener forming block is connected with a forming cavity and is obliquely arranged, an inwards-concave fastener forming groove is formed in the inner end face of the fastener forming block, and the fastener hole forming rod is horizontally inserted into the fastener forming groove.
In the fixed die oil cylinder secondary core pulling mechanism of the injection mold of the bottom shell of the rear combination lamp of the automobile, the cross section of the fastener hole forming rod is quadrilateral, and the area of the fastener hole forming rod is gradually increased from inside to outside.
In the fixed die oil cylinder secondary core pulling mechanism of the injection mold of the bottom shell of the automobile rear combination lamp, the upper die plate is also provided with a fastener forming block limiting structure in sliding connection with the fastener forming block.
In foretell automobile back combination lamp drain pan injection mould cover half hydro-cylinder secondary mechanism of loosing core, fastener shaping piece limit structure keep away from the fastener shaping piece stopper of fastener hole shaping pole one side including setting up at fastener shaping piece, fastener shaping piece stopper fix on the cope match-plate pattern, fastener shaping piece stopper be close to fastener shaping piece one side and be equipped with fastener shaping piece spacing groove, fastener shaping piece insert to fastener shaping piece spacing inslot.
In the above-mentioned mechanism of loosing core for twice of the oil cylinder of the fixed mold of the injection mold of the bottom shell of the rear combination lamp of the automobile, the elastic block structure comprises two elastic blocks fixed on two sides of the translation sliding block, each elastic block is provided with an output shaft capable of reciprocating along the horizontal direction, the side part of the upper plate is provided with a sliding block mounting groove, the translation sliding block is arranged in the sliding block mounting groove, two sides of the sliding block mounting groove are also provided with inwards sunken elastic block mounting grooves, and the elastic blocks are inserted into the elastic block mounting grooves and the output shafts of the elastic blocks and the inner walls of the elastic block mounting grooves are abutted.
In the fixed die oil cylinder secondary core pulling mechanism for the injection mold of the bottom shell of the automobile rear combination lamp, the limiting structure comprises a driving rod groove arranged in a translation sliding block, a driving rod connected with a translation driving assembly is arranged in the driving rod groove, the outer end of a core pulling connecting rod penetrates through an upper die plate and the translation sliding block and is fixedly connected with the driving rod, inwards-sunken limiting sliding grooves are formed in two sides of the driving rod groove, and a limiting sleeve of which the outer end is inserted into the limiting sliding grooves is fixedly sleeved on the driving rod.
In the above-mentioned automobile rear combination lamp bottom shell injection mold fixed mold oil cylinder secondary core pulling mechanism, the translation driving assembly comprises a linear driver horizontally fixed on a driver mounting seat, and an output shaft end part of the linear driver is fixedly connected with a driving rod.
In the fixed die oil cylinder secondary core pulling mechanism of the injection mold of the automobile rear combined lamp bottom shell, the bottom of the fastener forming block is fixed on the lower template through a bolt.
Compared with the prior art, the utility model has the advantages of:
1. two combination lamp drain pan products of moulding plastics simultaneously in cope match-plate pattern and the lower bolster two molding chamber, drain pan fastener forming structure can be on the combination lamp product injection moulding play the buckle structure that is used for the installation, and the secondary subassembly of loosing core can be on the buckle form the connecting hole and can not lead to drivers such as hydro-cylinder or cylinder to move back when moulding plastics because the chamber pressure in the molding chamber.
2. When the product was moulded plastics, fastener hole shaping pole can make product buckle position form the connecting hole, and bullet piece structure cooperation limit structure can carry on spacingly to the connecting rod of loosing core, thereby fastener hole shaping pole moves back when can preventing to mould plastics, when the drawing of patterns, the outside one section distance of translation slider can be moved before the bullet piece structure, it is no longer spacing to the connecting rod of loosing core to make limit structure, rethread translation drive assembly drive connecting rod of loosing core and fastener hole shaping pole break away from with the shaping chamber completely, so that the product drawing of patterns.
3. Fastener shaping piece limit structure can carry on spacingly to fastener shaping piece to it is not hard up to prevent that fastener shaping piece from appearing.
4. When the product is moulded plastics, thereby spacing spout lateral wall and spacing sleeve support to lean on and to carry on spacingly to the connecting rod of loosing core, when the product drawing of patterns, the outside translation of output shaft of bullet piece can promote the outside translation of a section distance of slider that the bullet piece links to each other, thereby can make spacing spout and spacing sleeve break away from, the translation drive assembly can drive the outside translation of actuating lever this moment, thereby the outside translation of actuating lever can drive the connecting rod of loosing core and the outside translation of fastener hole shaping pole can make fastener hole shaping pole and shaping chamber break away from.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic structural view of the lower template;
FIG. 3 is a schematic structural view of an upper die plate;
fig. 4 is a schematic view of a partial structure of the present invention.
In the figure: the cope match-plate pattern 1, the lower bolster 2, become die cavity 3, drain pan fastener shaping structure 4, the secondary subassembly 5 of loosing core, driver mount pad 6, bullet piece structure 7, translation slider 8, translation drive assembly 9, limit structure 10, the connecting rod 11 of loosing core, fastener hole shaping pole 12, fastener shaping piece 13, fastener shaping groove 14, fastener shaping piece limit structure 15, fastener shaping piece stopper 16, fastener shaping piece spacing groove 17, bullet piece 18, slider mounting groove 19, actuating lever groove 20, actuating lever 21, spacing spout 22, stop sleeve 23, linear actuator 24.
Detailed Description
As shown in fig. 1-4, a secondary core-pulling mechanism for a fixed mold oil cylinder of a bottom shell injection mold of an automobile rear combination lamp comprises an upper mold plate 1 and a lower mold plate 2, wherein two molding cavities 3 are arranged between the upper mold plate 1 and the lower mold plate 2, the two molding cavities 3 are symmetrically arranged along the central line of the upper mold plate 1, a bottom shell fastener molding structure 4 is arranged on one side of each molding cavity 3, and two secondary core-pulling assemblies 5 horizontally inserted into the molding cavities 3 are further arranged on the upper mold plate 1.
In this embodiment, two combination lamp drain pan products of moulding plastics simultaneously in two shaping chambeies in cope match-plate pattern 1 and the lower bolster 2, drain pan fastener forming structure 4 can be on the combination lamp product injection moulding play the buckle structure that is used for the installation, and the secondary subassembly of loosing core can form the connecting hole on the buckle and can not lead to drivers such as hydro-cylinder or cylinder to move back when moulding plastics because the intracavity pressure of shaping intracavity.
Specifically speaking, as shown in fig. 1-4, the secondary core pulling assembly 5 includes a driver mounting seat 6 fixed on the side of the upper mold plate 1, two sides of the driver mounting seat 6 are connected with a horizontally arranged translation sliding block 8 through an elastic block structure 7, the driver mounting seat 6 is further provided with a translation driving assembly 9, the inner end of the translation driving assembly 9 is connected with a core pulling connecting rod 11 through a limiting structure 10 arranged in the translation sliding block 8, and the inner end of the core pulling connecting rod 11 is fixedly connected with a fastener hole forming rod 12 inserted into the bottom shell fastener forming structure 4. When the product was moulded plastics, fastener hole shaping pole can make product buckle position form the connecting hole, and bullet piece structure cooperation limit structure can carry on spacingly to the connecting rod of loosing core, thereby fastener hole shaping pole moves back when can preventing to mould plastics, when the drawing of patterns, bullet piece structure 7 can move one section distance of outside translation of translation slider before can, it is spacing no longer to the connecting rod of loosing core to make limit structure, rethread translation drive assembly drive connecting rod of loosing core and fastener hole shaping pole break away from with the shaping chamber completely, so that the product drawing of patterns.
Specifically, as shown in fig. 1 to 4, the bottom chassis fastener forming structure 4 includes a fastener forming block 13 fixed on the lower mold plate 2, an inner end surface of the fastener forming block 13 is connected to and inclined with the forming cavity 3, an inwardly recessed fastener forming groove 14 is formed on an inner end surface of the fastener forming block 13, and the fastener hole forming rod 12 is horizontally inserted into the fastener forming groove 14. The fastener forming grooves on the fastener forming blocks 13 can form buckles for installation on the product when the product is injection-molded.
Specifically, the cross section of the fastener hole forming rod 12 is quadrangular, and the area of the fastener hole forming rod 12 is gradually increased from the inside to the outside.
Preferably, as shown in fig. 1-4, the upper plate 1 is further provided with a fastener forming block limiting structure 15 slidably connected to the fastener forming block 13. Fastener shaping piece limit structure 15 can carry on spacingly to fastener shaping piece 13 to it is not hard up to prevent that fastener shaping piece from appearing.
Specifically speaking, fastener shaping piece limit structure 15 is including setting up the fastener shaping piece stopper 16 of keeping away from fastener hole shaping pole 12 one side at fastener shaping piece 13, fastener shaping piece stopper 16 fix on cope match-plate pattern 1, fastener shaping piece stopper 16 be close to fastener shaping piece 13 one side and be equipped with fastener shaping piece spacing groove 17, fastener shaping piece 13 insert to fastener shaping piece spacing groove 17. The fastener forming block limiting groove on the fastener forming block limiting block can limit the fastener forming block.
Specifically, as shown in fig. 1 to 4, the elastic block structure 7 includes two elastic blocks 18 fixed on two sides of the sliding block 8, the elastic block 18 has an output shaft capable of reciprocating in a horizontal direction, a sliding block mounting groove 19 is formed in a side portion of the upper mold plate 1, the sliding block 8 is disposed in the sliding block mounting groove 19, inward recessed elastic block mounting grooves are further formed in two sides of the sliding block mounting groove 19, the elastic block 18 is inserted into the elastic block mounting groove, and the output shaft of the elastic block 18 abuts against an inner wall of the elastic block mounting groove. Limiting structure 10 is including setting up drive bar groove 20 in translation slider 8, drive bar groove 20 in be equipped with the actuating lever 21 that links to each other with translation drive assembly 9, 11 outer ends of the connecting rod of loosing core run through cope match-plate pattern 1 and translation slider 8 and link firmly with actuating lever 21, drive bar groove 20 both sides be equipped with inside sunken spacing spout 22, actuating lever 21 on fixed cover be equipped with the outer end insert to spacing sleeve 23 in the spacing spout 22. When the product is moulded plastics, thereby spacing spout 22 lateral wall and spacing sleeve support to lean on and to carry on spacingly to the connecting rod of loosing core, when the product drawing of patterns, the outside translation of output shaft of bullet piece can promote the outside translation of a section distance of slider that the bullet piece links to each other, thereby can make spacing spout 22 and spacing sleeve break away from, the outside translation of actuating lever can drive the outside translation of actuating lever this moment, thereby the outside translation of actuating lever can drive the connecting rod of loosing core and the outside translation of fastener hole shaping pole can make fastener hole shaping pole and shaping chamber break away from.
Those skilled in the art will appreciate that the spring block may be a cylinder, a linear motor, or the like.
Specifically, as shown in fig. 1 to 4, the translational drive assembly 9 includes a linear driver 24 horizontally fixed on the driver mounting seat 6, and an output shaft end of the linear driver 24 is fixedly connected with the driving rod 21. The linear actuator can drive the driving rod 21 to move outwards, and the driving rod can drive the core-pulling connecting rod and the fastener hole forming rod to move outwards in a translation mode, so that the fastener hole forming rod can be separated from the forming cavity.
It will be appreciated by those skilled in the art that the linear actuator may be a ram, cylinder, linear motor, or the like.
Specifically, the bottom of the fastener forming block 13 is fixed on the lower template 2 through bolts.
The utility model discloses a theory of operation is: two forming cavities in the upper template 1 and the lower template 2 can simultaneously perform injection molding on two combined lamp bottom shell products, a bottom shell fastener forming structure 4 can perform injection molding on the combined lamp products to form a buckle structure for installation, and the secondary core pulling assembly can form a connecting hole on the buckle and cannot cause drivers such as an oil cylinder or an air cylinder to retreat due to cavity pressure in the forming cavities during injection molding;
when a product is subjected to injection molding, the fastener hole forming rod can enable a connecting hole to be formed in a fastener buckle part, and the elastic block structure can be matched with the limiting structure to limit the core pulling connecting rod, so that the fastener hole forming rod can be prevented from retreating during injection molding, the elastic block structure 7 can drive the translation sliding block to translate outwards for a certain distance before demolding, the limiting structure can not limit the core pulling connecting rod any more, the core pulling connecting rod and the fastener hole forming rod are driven by the translation driving assembly to be completely separated from the forming cavity, so that the product can be conveniently demolded, the fastener forming groove in the fastener forming block 13 can form a buckle for installation on the product during injection molding of the product, the fastener forming block limiting structure 15 can limit the fastener forming block 13 so as to prevent the fastener forming block from loosening, and the forming fastener block limiting groove in the fastener forming block limiting block can limit the fastener forming block;
when the product is moulded plastics, thereby spacing spout 22 lateral wall and spacing sleeve support to lean on and to carry on spacingly to the connecting rod of loosing core, when the product drawing of patterns, the outside translation of output shaft of bullet piece can promote the bullet piece and one section distance of the outside translation of the translation slider that links to each other with the bullet piece, thereby can make spacing spout 22 and spacing sleeve break away from, the translation drive assembly can drive the outside translation of actuating lever this moment, thereby the outside translation of actuating lever can drive the connecting rod of loosing core and the outside translation of fastener hole shaping pole can make fastener hole shaping pole and shaping chamber break away from, the outside translation of linear actuator can drive actuating lever 21 outside, thereby the outside translation of actuating lever can drive the connecting rod of loosing core and the outside translation of fastener hole shaping pole can make fastener hole shaping pole and shaping chamber break away from.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the upper mold plate 1, the lower mold plate 2, the molding cavity 3, the bottom shell fastener molding structure 4, the secondary core pulling assembly 5, the driver mounting seat 6, the spring block structure 7, the translation slider 8, the translation driving assembly 9, the limiting structure 10, the core pulling connecting rod 11, the fastener hole molding rod 12, the fastener molding block 13, the fastener molding groove 14, the fastener molding block limiting structure 15, the fastener molding block limiting block 16, the fastener molding block limiting groove 17, the spring block 18, the slider mounting groove 19, the driving rod groove 20, the driving rod 21, the limiting sliding groove 22, the limiting sleeve 23, the linear driver 24, etc., are used more often, these terms are used only for more convenient description and explanation of the essence of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The utility model provides a mechanism of loosing core of combination lamp chassis injection mould cover half hydro-cylinder secondary behind car, includes cope match-plate pattern (1) and lower bolster (2), its characterized in that, cope match-plate pattern (1) and lower bolster (2) between be equipped with two molding chamber (3), two molding chamber (3) set up along the central line symmetry of cope match-plate pattern (1), molding chamber (3) one side be equipped with drain pan fastener shaping structure (4), cope match-plate pattern (1) on still be equipped with two levels and insert secondary subassembly (5) of loosing core in molding chamber (3).
2. The fixed die oil cylinder secondary core pulling mechanism of the injection molding of the bottom shell of the automobile rear combination lamp according to claim 1, characterized in that the secondary core pulling assembly (5) comprises a driver mounting seat (6) fixed on the side portion of the upper mold plate (1), translation sliding blocks (8) horizontally arranged are connected to two sides of the driver mounting seat (6) through elastic block structures (7), a translation driving assembly (9) is further arranged on the driver mounting seat (6), a core pulling connecting rod (11) is connected to the inner end of the translation driving assembly (9) through a limiting structure (10) arranged in the translation sliding blocks (8), and a fastener hole forming rod (12) inserted into a bottom shell fastener forming structure (4) is fixedly connected to the inner end of the core pulling connecting rod (11).
3. The secondary core-pulling mechanism for the oil cylinder of the fixed mold of the injection mold of the bottom shell of the rear combination lamp of the automobile as claimed in claim 2, wherein the bottom shell fastener forming structure (4) comprises a fastener forming block (13) fixed on the lower template (2), the inner end face of the fastener forming block (13) is connected with the forming cavity (3) and is obliquely arranged, an inwardly recessed fastener forming groove (14) is formed in the inner end face of the fastener forming block (13), and the fastener hole forming rod (12) is horizontally inserted into the fastener forming groove (14).
4. The secondary core-pulling mechanism for the oil cylinder of the fixed mold of the injection molding of the bottom shell of the rear combination lamp of the automobile as claimed in claim 3, wherein the cross section of the fastener hole forming rod (12) is quadrilateral, and the area of the fastener hole forming rod (12) is gradually increased from inside to outside.
5. The secondary core-pulling mechanism for the oil cylinder of the fixed mold of the injection molding of the bottom shell of the rear combination lamp of the automobile as claimed in claim 3, characterized in that the upper mold plate (1) is further provided with a fastener forming block limiting structure (15) which is in sliding connection with the fastener forming block (13).
6. The secondary core-pulling mechanism for the oil cylinder of the fixed mold of the injection molding of the bottom shell of the rear combination lamp of the automobile as claimed in claim 5, wherein the limiting structure (15) of the fastener forming block comprises a limiting block (16) of the fastener forming block arranged at one side of the fastener forming block (13) far away from the fastener hole forming rod (12), the limiting block (16) of the fastener forming block is fixed on the upper mold plate (1), a limiting groove (17) of the fastener forming block is arranged at one side of the limiting block (16) close to the fastener forming block (13), and the fastener forming block (13) is inserted into the limiting groove (17) of the fastener forming block.
7. The automobile rear combination lamp bottom shell injection molding fixed die oil cylinder secondary core pulling mechanism as claimed in claim 2, wherein the elastic block structure (7) comprises two elastic blocks (18) fixed on two sides of the translation sliding block (8), the elastic blocks (18) are provided with output shafts capable of reciprocating in the horizontal direction, a sliding block mounting groove (19) is formed in the side portion of the upper mold plate (1), the translation sliding block (8) is arranged in the sliding block mounting groove (19), inwards concave elastic block mounting grooves are further formed in two sides of the sliding block mounting groove (19), the elastic blocks (18) are inserted into the elastic block mounting groove, and the output shafts of the elastic blocks (18) are abutted against the inner walls of the elastic block mounting groove.
8. The secondary core-pulling mechanism of the fixed mold oil cylinder of the injection molding of the bottom shell of the rear combination lamp of the automobile as claimed in claim 2, wherein the limiting structure (10) comprises a driving rod groove (20) arranged in the translational sliding block (8), a driving rod (21) connected with the translational driving component (9) is arranged in the driving rod groove (20), the outer end of the core-pulling connecting rod (11) penetrates through the upper mold plate (1) and the translational sliding block (8) and is fixedly connected with the driving rod (21), two sides of the driving rod groove (20) are provided with inward-recessed limiting sliding grooves (22), and the driving rod (21) is fixedly sleeved with a limiting sleeve (23) of which the outer end is inserted into the limiting sliding grooves (22).
9. The double core-pulling mechanism for the oil cylinder of the fixed die of the injection molding of the bottom shell of the rear combination lamp of the automobile as claimed in claim 8, characterized in that the translational driving assembly (9) comprises a linear driver (24) horizontally fixed on the driver mounting seat (6), and the end of the output shaft of the linear driver (24) is fixedly connected with the driving rod (21).
10. The secondary core-pulling mechanism for the oil cylinder of the fixed mold of the injection molding of the bottom shell of the rear combination lamp of the automobile as claimed in claim 3, wherein the bottom of the fastener forming block (13) is fixed on the lower template (2) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123045687.5U CN217258072U (en) | 2021-12-06 | 2021-12-06 | Secondary core-pulling mechanism for fixed die oil cylinder of injection mold of bottom shell of automobile rear combined lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123045687.5U CN217258072U (en) | 2021-12-06 | 2021-12-06 | Secondary core-pulling mechanism for fixed die oil cylinder of injection mold of bottom shell of automobile rear combined lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217258072U true CN217258072U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123045687.5U Active CN217258072U (en) | 2021-12-06 | 2021-12-06 | Secondary core-pulling mechanism for fixed die oil cylinder of injection mold of bottom shell of automobile rear combined lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217258072U (en) |
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2021
- 2021-12-06 CN CN202123045687.5U patent/CN217258072U/en active Active
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