CN213860355U - Headrest rod ejection mechanism of headrest mold - Google Patents
Headrest rod ejection mechanism of headrest mold Download PDFInfo
- Publication number
- CN213860355U CN213860355U CN202022179362.5U CN202022179362U CN213860355U CN 213860355 U CN213860355 U CN 213860355U CN 202022179362 U CN202022179362 U CN 202022179362U CN 213860355 U CN213860355 U CN 213860355U
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- China
- Prior art keywords
- headrest
- upper cover
- inner cavity
- cylinder
- foaming inner
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- Expired - Fee Related
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- 238000005187 foaming Methods 0.000 claims abstract description 44
- 230000000694 effects Effects 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model relates to a headrest mould technical field relates to a headrest pole ejection mechanism of headrest mould, the utility model discloses a: the base is arranged at the upper end of the upper die, a foaming inner cavity upper cover is arranged in the upper die, the upper end surface of the base inclines downwards towards the direction of the foaming inner cavity upper cover, two through holes are arranged in the foaming inner cavity upper cover, and headrest rods are arranged in the through holes; the cylinder, the cylinder sets up in the up end of base, cylinder one end is connected with the kicking block, be equipped with on the kicking block with the headrest pole to the recess that matches, the kicking block is used for releasing the headrest pole in the through-hole of foaming inner chamber upper cover, compares with prior art, the utility model discloses headrest pole ejection mechanism of headrest mould is through the cylinder that the slope set up, and the cylinder is fixed in headrest pole vertical direction, releases the headrest of taking the headrest pole that the shaping is good from two through-holes of the foaming inner chamber upper cover of mould, realizes the effect of ejecting convenient drawing of mould of headrest pole.
Description
Technical Field
The utility model relates to a headrest mould technical field relates to a headrest pole ejection mechanism of headrest mould.
Background
The automobile headrest is installed inside the backrest through a headrest rod inside the headrest, and the optimal height of a passenger is met by adjusting the distance between the headrest rod and the backrest.
The patent number is 201710471346.3, discloses a three-piece headrest mould, the mould includes mould, lower mould, mold core and closing device, the mold core is located between mould and the lower mould, closing device is located go up the mould, go up and form first die parting surface between mould and the mold core, form the second die parting surface between mold core and the lower mould, first die parting surface is located the top of second die parting surface, just first die parting surface is located the outside of second die parting surface.
The three-piece headrest mold has the following defects: the three-piece headrest mould has two parting surfaces, and the product can be taken out only by disassembling the upper mould, the lower mould and the mould core after the product is formed, so that the structure is complex.
In summary, in order to overcome the defects in the prior art, a headrest rod ejection mechanism of a headrest mold, which has a simple structure and is convenient to demold, needs to be designed.
Disclosure of Invention
The utility model provides a headrest rod ejection mechanism of a headrest mould, which solves the problems of the prior art.
The purpose of the utility model can be realized by the following technical proposal: a headrest rod ejection mechanism of a headrest mold includes:
the base is detachably connected to the upper end of the upper die, a foaming inner cavity upper cover is arranged in the upper die, the upper end face of the base inclines downwards towards the direction of the foaming inner cavity upper cover, two through holes are formed in the foaming inner cavity upper cover, and headrest rods are arranged in the through holes;
the air cylinder is arranged on the upper end face of the base, one end of the air cylinder is connected with a top block, a groove matched with the headrest rod is formed in the top block, and the top block is used for pushing the headrest rod out of a through hole of the upper cover of the foaming inner cavity.
In a further improvement, a lower die is arranged below the upper die and comprises a foaming inner cavity in a headrest shape, and the through hole is communicated with the foaming inner cavity.
In a further improvement, an ejecting block sliding groove is arranged on the upper cover of the foaming inner cavity.
In a further improvement, a positioning block is arranged on the upper cover of the foaming inner cavity, a positioning groove is arranged on the positioning block, and the headrest rod is arranged in the positioning groove.
In a further improvement, the cylinder is a thin cylinder.
Compared with the prior art, the utility model discloses headrest bars ejection mechanism of headrest moulds is through the cylinder that the slope set up, and the cylinder is fixed in headrest bars vertical direction, releases the headrest of the good area headrest bars from two through-holes of the foaming inner chamber upper cover of last mould, realizes the effect of the convenient delivery of ejecting headrest bars.
Drawings
FIG. 1 is a schematic structural diagram of the present invention
FIG. 2 is a schematic structural view of the middle cylinder pushing the headrest rod
FIG. 3 is a schematic view of the structure of the middle pillow and the pillow rod of the present invention
FIG. 4 is a schematic view of the structure of the positioning block engaged with the headrest rod
In the figure, 1-lower die, 11-foaming inner cavity, 2-upper die, 21-foaming inner cavity upper cover, 211-top block sliding groove, 22-through hole, 221-headrest rod, 23-base, 24-positioning block, 241-positioning groove, 3-cylinder, 31-top block, 311-groove and 4-headrest.
Detailed Description
The technical solution of the present invention is further explained below with reference to the following embodiments and accompanying drawings 1 to 4.
Example 1
The base 23 is detachably connected to the upper end of the upper die 2, a foaming inner cavity upper cover 21 is arranged in the upper die 2, the upper end face 231 of the base 23 inclines downwards towards the direction of the foaming inner cavity upper cover 21, two through holes 22 are arranged in the foaming inner cavity upper cover 21, and a headrest rod 221 is arranged in each through hole 22;
the air cylinder 3 is arranged on the upper end face of the base 23, one end of the air cylinder 3 is connected with a top block 31, a groove 311 matched with the headrest rod 221 is formed in the top block 31, and the top block 31 is used for pushing the headrest rod 221 out of the through hole 22 of the foaming inner cavity upper cover 21.
The existing three-piece type headrest mold needs to disassemble an upper mold, a lower mold and a mold core after the headrest is formed, the operation is complex, and in order to solve the defects in the prior art, a headrest rod ejection mechanism of the headrest mold, which has a simple structure and is convenient to demold, needs to be designed.
As shown in fig. 1, 2, 3, and 4, the lower die 1 includes a foaming inner cavity 11 having a shape of a headrest, the upper die 2 is disposed above the lower die 1, the upper die 2 includes a foaming inner cavity upper cover 21 adapted to the foaming inner cavity 11, two through holes 22 are formed in the foaming inner cavity upper cover 21, the through holes 22 are communicated with the foaming inner cavity 11, a headrest rod 221 is disposed in the through holes 22, a base 23 is detachably connected to an upper end of the upper die 2, an upper end surface 231 of the base 23 is inclined downward toward the direction of the foaming inner cavity upper cover 21, and the base 23 is detachably connected by a bolt; because the angles of the headrest rods 221 in the headrests of different models are different, the bases with different inclination angles are installed, the pushing direction of the air cylinder 3 can be always kept consistent with the direction of the headrest rods 221, the air cylinder 3 ejects the headrest rods 221 to take a mold, one mold is multifunctional, and multi-angle demolding is met.
The cylinder barrel of the cylinder 3 is fixed above the base 23, and one end of the piston rod of the cylinder 3 is fixedly connected with the top block 31; the circular groove 311 is formed in the top block 31, the circular groove 311 is matched with the two head portions of the headrest rod 221 in position, when the headrest rod 221 is pushed, the head portion of the headrest rod 221 is placed in the circular groove 311, the headrest rod 221 is prevented from sliding in the process of pushing the headrest rod 221, the headrest rod 221 can be pushed out from the through hole 22 of the upper cover 21 of the foaming inner cavity more easily, and the demolding effect is improved.
The headrest 4 is subjected to glue injection molding in the foaming inner cavity 11, the headrest rods 221 are fixed inside the headrest, the pistons of the cylinders 3 move to push the headrest rods 221 out of the through holes 22 of the upper cover 21 of the foaming inner cavity, and the headrest with the headrest rods 221 can be separated from the upper die 2, so that a product can be conveniently taken out of the die, and the production efficiency is improved.
Example 2
The foaming inner cavity upper cover 21 is provided with a top block sliding groove 211.
As shown in fig. 1, the top block sliding groove 211 is matched with the top block 31, so that the top block 31 can slide to the foaming inner cavity upper cover 21 along the top block sliding groove 211, and further the cylinder 3 pushes the headrest rod 221 out of the through hole 222.
Example 3
A positioning block 24 is arranged on the upper cover 21 of the foaming inner cavity, a positioning groove 241 is arranged on the positioning block 24, and the headrest rod 221 is arranged in the positioning groove 241.
As shown in fig. 1 and 4, the positioning block 24 is fixed on the upper cover 21 of the foaming inner cavity, the positioning block 24 is provided with a semicircular through positioning groove 241, the headrest rod 221 is arranged in the positioning groove 241, the axis of the positioning groove 241 and the axis of the headrest rod 221 are in the same direction, the positioning groove 241 can guide the air cylinder 3 to push the headrest rod 221, so that the lateral deviation of the headrest rod 221 in the pushing process can be reduced, the headrest rod 221 can be more easily pushed out from the through hole 22 of the upper cover 21 of the foaming inner cavity, and the demolding effect can be improved.
Example 4
The cylinder 3 is a thin cylinder. The thin cylinder 3 occupies less space, can greatly reduce the size of a die, has a light structure, can bear larger transverse load, is convenient for pushing the headrest rod 221 to be pushed out from the through hole 22 of the foaming inner cavity upper cover 21, can be directly installed on various devices without installing accessories, and can be quickly assembled and disassembled on the base 23.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (5)
1. The utility model provides a headrest pole ejection mechanism of headrest mould which characterized in that includes:
the base (23) is detachably connected to the upper end of the upper die (2), a foaming inner cavity upper cover (21) is arranged in the upper die (2), the upper end surface (231) of the base (23) inclines downwards towards the direction of the foaming inner cavity upper cover (21), two through holes (22) are arranged in the foaming inner cavity upper cover (21), and headrest rods (221) are arranged in the through holes (22);
the foaming device comprises a cylinder (3), the cylinder (3) is arranged on the upper end face of a base (23), one end of the cylinder (3) is connected with a top block (31), a groove (311) matched with a headrest rod (221) is formed in the top block (31), and the top block (31) is used for pushing the headrest rod (221) out of a through hole (22) of an upper cover (21) of a foaming inner cavity.
2. The headrest rod ejection mechanism of a headrest mold according to claim 1, wherein a lower mold (1) is arranged below the upper mold (2), the lower mold (1) comprises a foaming inner cavity (11) with a headrest shape, and the through hole (22) is communicated with the foaming inner cavity (11).
3. The headrest rod ejection mechanism of the headrest mold as claimed in claim 1, wherein the upper cover (21) of the foaming cavity is provided with an ejector block sliding groove (211).
4. The headrest rod ejection mechanism of the headrest mold as claimed in claim 1, wherein a positioning block (24) is disposed on the upper cover (21) of the foaming cavity, a positioning groove (241) is disposed on the positioning block (24), and the headrest rod (221) is disposed in the positioning groove (241).
5. The headrest rod ejection mechanism of a headrest mold according to claim 1, characterized in that the cylinder (3) is a thin cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022179362.5U CN213860355U (en) | 2020-09-28 | 2020-09-28 | Headrest rod ejection mechanism of headrest mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022179362.5U CN213860355U (en) | 2020-09-28 | 2020-09-28 | Headrest rod ejection mechanism of headrest mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213860355U true CN213860355U (en) | 2021-08-03 |
Family
ID=77070028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022179362.5U Expired - Fee Related CN213860355U (en) | 2020-09-28 | 2020-09-28 | Headrest rod ejection mechanism of headrest mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213860355U (en) |
-
2020
- 2020-09-28 CN CN202022179362.5U patent/CN213860355U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 |