CN216300005U - Mold for inclined top demolding - Google Patents
Mold for inclined top demolding Download PDFInfo
- Publication number
- CN216300005U CN216300005U CN202122992619.3U CN202122992619U CN216300005U CN 216300005 U CN216300005 U CN 216300005U CN 202122992619 U CN202122992619 U CN 202122992619U CN 216300005 U CN216300005 U CN 216300005U
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- die
- ejector pin
- rod
- groove
- mould
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- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000007906 compression Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The application discloses mould of drawing of patterns to one side relates to injection mold technical field, including die carrier and at least a set of subassembly that pushes up to one side, be equipped with mould and lower mould that mutually support and use on the die carrier, it is equipped with the die cavity to go up between mould and the lower mould, it is equipped with the backup pad to slide in the die carrier, the backup pad is located the below of lower mould, the subassembly that pushes up to one side includes the bracing piece of ejector pin and vertical setting, the one end of ejector pin is located the die cavity and contradicts in the work piece, the other end of ejector pin slides and sets up in the lower mould, the one end and the backup pad of bracing piece are connected, the other end of bracing piece slides and sets up in the lower mould and can dismantle with the ejector pin and be connected, the ejector pin is contradicted in the one end of work piece and is towards the axis direction slope of work piece. This application can reduce the cracked possibility of ejector pin in long-time use.
Description
Technical Field
The application relates to the technical field of injection molds, in particular to a mold for inclined top demolding.
Background
At present, some injection moulding products need because of the assembly all can design some have buckle hole or buckle groove, the demolding direction in these buckle hole or buckle groove is inconsistent with injection moulding product's demolding direction, to this type of hole, the shaping in groove, can all utilize the slider usually, the side axle core structure realization such as oblique top, to the less buckle hole glue position of demolding stroke, adopt the structure of pushing up the drawing of patterns to one side more, the oblique top can play the effect of ejecting product, and can reduce the mould size, make the mould structure compacter.
When the inclined ejection mechanism is used for demoulding, the ejector rod of the inclined ejection mechanism can eject a formed workpiece out of a cavity, but the existing ejector rod is generally integrally formed and is poor in overall strength, so that the ejector rod is easy to break in a long-time using process.
SUMMERY OF THE UTILITY MODEL
In order to improve the relatively poor easy cracked problem of taking place of ejector pin bulk strength, this application provides a mould of oblique top drawing of patterns.
The application provides a mould of drawing of patterns to one side top adopts following technical scheme.
The utility model provides a mould of drawing of patterns to one side, includes die carrier and at least a set of oblique top subassembly, is equipped with last mould and the lower mould that mutually supports the use on the die carrier, upward be equipped with the die cavity between mould and the lower mould, it is equipped with the backup pad to slide in the die carrier, the backup pad is located the below of lower mould, the bracing piece that the oblique top subassembly includes ejector pin and vertical setting, the one end of ejector pin is located the die cavity and contradicts in the work piece, the other end of ejector pin slides and sets up in the lower mould, the one end and the backup pad of bracing piece are connected, the other end of bracing piece slides and sets up in the lower mould and can dismantle with the ejector pin and be connected, the ejector pin is contradicted in the one end of work piece and is towards the axis direction slope of work piece.
Through adopting above-mentioned technical scheme, make and go up the mould rebound and expose fashioned work piece, the rebound backup pad, the backup pad promotes the bracing piece rebound, the bracing piece promotes the ejector pin, the ejector pin is ejecting with the work piece from the lower mould, accomplishes the drawing of patterns, promote the ejector pin through the bracing piece, can avoid directly using the ejector pin drawing of patterns, the length of ejector pin has been shortened, make the bulk strength of ejector pin higher, reduced the ejector pin and appeared cracked possibility in long-time use.
Optionally, a clamping plate is horizontally arranged at one end, away from the supporting plate, of the supporting rod, a clamping groove is formed at one end, away from the die cavity, of the ejector rod, and the supporting rod is clamped with the clamping groove of the ejector rod through the clamping plate.
Through adopting above-mentioned technical scheme, through with bracing piece and ejector pin joint, the convenient installation and the dismantlement to bracing piece and ejector pin.
Optionally, an annular abutting groove is formed in the supporting rod and located below the clamping plate, and a groove wall, far away from the mold cavity, of the clamping groove is clamped in the abutting groove.
Through adopting above-mentioned technical scheme, the cell wall and the butt groove joint of draw-in groove for it is more firm to be connected between bracing piece and the ejector pin, can reduce the possibility that drops between ejector pin and the bracing piece.
Optionally, the supporting rod is rotatably connected with the supporting plate, and a mounting groove for connecting the supporting rod and the ejector rod is formed in the lower die.
Through adopting above-mentioned technical scheme, when erection bracing piece and ejector pin, the one end of ejector pin is located the mounting groove, inserts the mounting groove with the bracing piece, rotates in the bracing piece makes the cardboard on the bracing piece rotate the draw-in groove of ejector pin, makes ejector pin and bracing piece joint, is convenient for install ejector pin and bracing piece.
Optionally, one end of the ejector rod, which is far away from the clamping groove, is provided with a forming groove used for being matched with a workpiece to form, and the workpiece is clamped in the forming groove.
Through adopting above-mentioned technical scheme, the shaping groove on the ejector pin can form the required buckle of work piece when moulding plastics, and the ejector pin is when the top work piece when the drawing of patterns simultaneously, and is more firm between ejector pin and the work piece, has reduced the possibility that the ejector pin drops from the work piece when drawing of patterns down.
Optionally, a spring is arranged on the supporting plate, and the other end of the spring is connected with the lower die.
Through adopting above-mentioned technical scheme, the backup pad is at the rebound in-process compression spring, and the spring can increase the resistance that the backup pad removed in compression process, avoids the backup pad to remove too fast, can reduce the possibility that the too big messenger's work piece damaged hard when ejecting the work piece.
Optionally, a connecting rod is vertically arranged on the die carrier, the other end of the connecting rod is arranged in the lower die in a sliding mode, and the spring sleeve is arranged on the connecting rod.
Through adopting above-mentioned technical scheme, with the spring housing on the connecting rod, can avoid taking place lateral displacement at compression in-process spring, reduced the impaired possibility of spring in compression.
Optionally, the die holder is vertically provided with at least one screw rod in a rotating manner, the screw rod penetrates through the support plate and is inserted into the lower die, a threaded pipe matched with the screw rod is arranged in the support plate in the rotating manner, and the screw rod penetrates through the threaded pipe.
Through adopting above-mentioned technical scheme, make the screwed pipe move on the screw rod through rotating the screw rod, the screwed pipe drives the backup pad and moves on the die carrier.
In summary, the present application includes at least one of the following advantages: the supporting rod is clamped below the ejector rod, the ejector rod moves up and down through the supporting rod to eject a workpiece, the length of the ejector rod is shortened, the overall strength of the ejector rod is higher, and the possibility that the ejector rod is broken in the using process is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Fig. 2 is a partial sectional view taken along line a-a of fig. 1.
Fig. 3 is a schematic structural view of the pent roof assembly.
Description of reference numerals:
1. a mold frame; 11. a connecting rod; 12. a screw; 2. a lifter assembly; 21. a top rod; 211. a card slot; 212. forming a groove; 22. a support bar; 221. clamping a plate; 222. a butt joint groove; 3. an upper die; 4. a lower die; 41. mounting grooves; 5. a mold cavity; 6. a support plate; 61. a spring; 62. a threaded pipe.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a mold for inclined top demolding. Referring to fig. 1 and 2, a mould of drawing of patterns pushes up to one side, including die carrier 1, be equipped with in the die carrier 1 and mutually support and use last mould 3 and lower mould 4, it is equipped with die cavity 5 to go up between mould 3 and the lower mould 4, install the oblique top subassembly 2 that is used for the drawing of patterns in the die carrier 1, the oblique top subassembly 2 includes ejector pin 21 and bracing piece 22, the one end of ejector pin 21 is located die cavity 5, the other end slides and sets up in lower mould 4, bracing piece 22 slides and sets up in lower mould 4 and be connected with ejector pin 21, slidable mounting has backup pad 6 in the die carrier 1, bracing piece 22 is installed in backup pad 6. By moving the support plate 6 upward, the support plate 6 causes the support rod 22 to push the ejector rod 21 upward, and the ejector rod 21 ejects the formed workpiece.
Referring to fig. 2 and 3, in order to facilitate the detachment of the support rod 22 and the ejector rod 21, a clamping plate 221 is horizontally and fixedly disposed at one end of the support rod 22 away from the support plate 6, a clamping groove 211 is disposed at one end of the ejector rod 21 away from the mold cavity 5, and the support rod 22 is clamped with the clamping groove 211 of the ejector rod 21 through the clamping plate 221. The support rod 22 is provided with an annular abutting groove 222, the abutting groove 222 is located below the clamping plate 221, and a groove wall of the clamping groove 211, which is far away from the mold cavity 5, is clamped in the abutting groove 222.
The bracing piece 22 rotates with backup pad 6 to be connected, be equipped with the mounting groove 41 that is used for bracing piece 22 and ejector pin 21 to be connected in the lower mould 4, when erection bracing piece 22 and ejector pin 21, install ejector pin 21 in mounting groove 41, insert the bracing piece 22 in the mounting groove 41 from lower mould 4 below, it makes cardboard 221 on the bracing piece 22 insert the draw-in groove 211 to rotate the bracing piece 22, when the bracing piece 22 needs to be dismantled, rotate the bracing piece 22 on backup pad 6, make cardboard 221 rotate away from draw-in groove 211, the backup pad 6 slides downwards, bracing piece 22 is detached from ejector pin 21.
The one end that the ejector pin 21 kept away from draw-in groove 211 is seted up and is used for the shaping groove 212 of joint work piece, can form the required buckle of work piece when moulding plastics, and fashioned work piece passes through buckle and ejector pin 21 joint, when carrying out the drawing of patterns, can avoid ejector pin 21 landing from the work piece for the work piece is more firm on ejector pin 21, is favorable to ejector pin 21 ejecting the work piece from lower mould 4.
Referring to fig. 2, a spring 61 is arranged on the support plate 6, the other end of the spring 61 is connected with the lower die 4, a connecting rod 11 is vertically arranged on the die carrier 1, the other end of the connecting rod 11 is inserted into the lower die 4, and the spring 61 is sleeved on the connecting rod 11. When upwards moving the support plate 6, the support plate 6 can compress the spring 61, so that the spring 61 is in a compression state, the spring 61 can provide resistance in the upward moving process of the support plate 6, the support plate 6 can be prevented from moving too fast, the ejector rod 21 can be prevented from exerting too much force when ejecting the workpiece, and the possibility that the workpiece is damaged due to the fact that the ejector rod 21 exerts too much force can be reduced. The connecting rod 11 can prevent the spring 61 from generating lateral displacement in the compression process, and the possibility of damaging the spring 61 is reduced.
Referring to fig. 2, at least one screw 12 is vertically and rotatably installed on the mold frame 1, and the screw 12 penetrates through the support plate 6 and is inserted into the lower mold 4. A threaded pipe 62 matched with the screw 12 is arranged in the supporting plate 6 in a rotating mode, and the screw 12 penetrates through the threaded pipe 62. When demoulding is needed, the screw 12 is rotated, the threaded pipe 62 moves upwards under the action of the screw 12, the support plate 6 moves upwards, and after demoulding, the screw 12 rotates in the direction, so that the threaded pipe 62 drives the support plate 6 to move downwards, and demoulding is completed.
The implementation principle of the mold for demoulding by the inclined top is as follows: after the injection molding is finished, the upper die 3 moves upwards to expose the molded workpiece, the screw 12 is rotated to enable the supporting plate 6 to push the supporting rod 22 to move upwards, the supporting rod 22 pushes the ejector rod 21 to move upwards, and the ejector rod 21 ejects the molded workpiece out of the lower die 4 to finish the demolding.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a mould of oblique top drawing of patterns, includes die carrier (1) and at least a set of oblique top subassembly (2), is equipped with last mould (3) and lower mould (4) that mutually support and use on die carrier (1), its characterized in that: go up to be equipped with die cavity (5) between mould (3) and lower mould (4), it is equipped with backup pad (6) to slide in die carrier (1), backup pad (6) are located the below of lower mould (4), push up subassembly (2) including bracing piece (22) of ejector pin (21) and vertical setting to one side, the one end of ejector pin (21) is located die cavity (5) and contradicts in the work piece, the other end of ejector pin (21) slides and sets up in lower mould (4), the one end and the backup pad (6) of bracing piece (22) are connected, the other end of bracing piece (22) slides and sets up in lower mould (4) and can dismantle with ejector pin (21) and be connected, ejector pin (21) contradict in the one end of work piece and incline towards the axis direction of work piece.
2. The angle ejection die of claim 1, wherein: the supporting rod is characterized in that a clamping plate (221) is horizontally arranged at one end, far away from the supporting plate (6), of the supporting rod (22), a clamping groove (211) is formed in one end, far away from the mold cavity (5), of the ejector rod (21), and the supporting rod (22) is connected with the clamping groove (211) of the ejector rod (21) in a clamping mode through the clamping plate (221).
3. The angle ejection die of claim 2, wherein: the supporting rod (22) is provided with an annular abutting groove (222), the abutting groove (222) is located below the clamping plate (221), and the groove wall, far away from the mold cavity (5), of the clamping groove (211) is clamped in the abutting groove (222).
4. A lifter-stripper die as claimed in claim 3, wherein: the support rod (22) is rotatably connected with the support plate (6), and a mounting groove (41) for connecting the support rod (22) and the ejector rod (21) is formed in the lower die (4).
5. The angle ejection die of claim 4, wherein: one end of the ejector rod (21) far away from the clamping groove (211) is provided with a forming groove (212) used for being matched with a workpiece to form, and the workpiece is clamped in the forming groove (212).
6. The angle ejection die of claim 1, wherein: and a spring (61) is arranged on the supporting plate (6), and the other end of the spring (61) is connected with the lower die (4).
7. The angle ejection die of claim 6, wherein: the die set (1) is vertically provided with a connecting rod (11), the other end of the connecting rod (11) is inserted into the lower die (4), and the spring (61) is sleeved on the connecting rod (11).
8. The angle ejection die of claim 1, wherein: the die set (1) is vertically provided with at least one screw (12) in a rotating mode, the screw (12) penetrates through the supporting plate (6) and is inserted into the lower die (4), the supporting plate (6) is provided with a threaded pipe (62) matched with the screw (12) in a rotating mode, and the screw (12) penetrates through the threaded pipe (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122992619.3U CN216300005U (en) | 2021-12-01 | 2021-12-01 | Mold for inclined top demolding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122992619.3U CN216300005U (en) | 2021-12-01 | 2021-12-01 | Mold for inclined top demolding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216300005U true CN216300005U (en) | 2022-04-15 |
Family
ID=81083260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122992619.3U Active CN216300005U (en) | 2021-12-01 | 2021-12-01 | Mold for inclined top demolding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216300005U (en) |
-
2021
- 2021-12-01 CN CN202122992619.3U patent/CN216300005U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |