CN214027010U - Injection mold of box for refrigerator - Google Patents
Injection mold of box for refrigerator Download PDFInfo
- Publication number
- CN214027010U CN214027010U CN202022648397.9U CN202022648397U CN214027010U CN 214027010 U CN214027010 U CN 214027010U CN 202022648397 U CN202022648397 U CN 202022648397U CN 214027010 U CN214027010 U CN 214027010U
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The application discloses an injection mold of a box for a refrigerator in the technical field of injection molds, which comprises a rack, wherein the rack is provided with an upper mold and a lower mold, the upper mold is vertically and slidably connected with the rack, the rack is rotatably connected with a cylinder, a gear meshed with the rack is coaxially and fixedly sleeved on the cylinder, the cylinder is provided with an inclined through groove, the rack is horizontally and slidably connected with a push rod, and the push rod is connected with a connecting block positioned in the through groove; the bottom of lower mould is equipped with the drive groove, the vertical sliding connection in drive groove has the roof, the top of roof is connected with the ejector pin that stretches into the lower mould inside, the bottom of roof is connected with the connecting rod, the push rod is connected with the voussoir with the connecting rod butt. When this application utilized last mould to break away from lower mould rebound, realized in the ejector pin pushes up into the lower mould, outside the ejector pin was ejecting the lower mould with plastic products again, realized the drawing of patterns.
Description
Technical Field
The utility model relates to an injection mold technical field, concretely relates to injection mold of box for refrigerator.
Background
Plastic boxes are widely used in refrigerators, where the boxes can hold food that needs to be stored at low temperatures. The box is generally produced by an injection molding method, which is a molding method combining injection molding and molding, and has the advantages of high production speed and efficiency and automation in operation.
The injection mold is a special tool for injection molding and comprises an upper mold and a lower mold. When moulding plastics, the injection molding machine promotes movable last mould lock on the lower mould, goes up and becomes a sealed shaping chamber behind mould and the lower mould lock, and the injection molding machine will be heated the plastics that melts and penetrate into the shaping intracavity and obtain the plastic products after the cooling solidification again, and the drawing of patterns of plastic products all sets up a plurality of cylinders in the lower mould, and a plurality of cylinders drive ejector pin are ejecting with the plastic products, and nevertheless the use and the maintenance of a plurality of cylinders make manufacturing cost increase.
SUMMERY OF THE UTILITY MODEL
The utility model provides an injection mold of box for refrigerator to reach and replace ejecting purpose of plastic products through cylinder drive ejector pin among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: an injection mold of a refrigerator box comprises a rack, wherein the rack is provided with an upper mold and a lower mold, the upper mold is vertically and slidably connected with the rack, the upper mold is connected with a rack, the rack is rotatably connected with a cylinder, the cylinder is coaxially and fixedly sleeved with a gear meshed with the rack, the cylinder is provided with an inclined through groove, the rack is horizontally and slidably connected with a push rod, and the push rod is connected with a connecting block positioned in the through groove; the bottom of lower mould is equipped with the drive groove, the vertical sliding connection in drive groove has the roof, the top of roof is connected with the ejector pin that stretches into the lower mould inside, the bottom of roof is connected with the connecting rod, the push rod is connected with the voussoir with the connecting rod butt.
The utility model discloses a theory of operation: when mould orientation upward movement was gone up in the utilization of this application, it drives the rack and removes to go up the mould, drum and frame rotate to be connected, the coaxial fixed gear that cup joints with rack toothing, when the rack removes, the rack can drive the drum through the gear and rotate, and because the drum is equipped with the logical groove of slope, frame horizontal sliding connection has the push rod, the push rod is connected with the connecting block that is located logical inslot again, consequently, when the drum rotated, the lateral wall that leads to the groove promoted the push rod through the connecting block and removes towards the lower mould.
Because the lower mould is equipped with the drive groove, the vertical sliding connection in drive groove has the roof, the top of roof is connected with the ejector pin that stretches into the lower mould inside, the bottom of roof is connected with the connecting rod, the push rod be connected with the voussoir of connecting rod butt, consequently the push rod that removes promotes the voussoir and removes, the voussoir promotes the roof through the connecting rod again and moves towards last mould, the roof drives the inside that enters into the lower mould rather than the ejector pin that is connected, final ejector pin is outside ejecting the lower mould with the plastics product.
The utility model has the advantages that: when this application utilized last mould to break away from lower mould rebound, the rack realized that the ejector pin pushes up into the lower mould through drum, push rod and connecting rod in, the ejector pin is outside ejecting the lower mould with the plastics product again, realizes the drawing of patterns.
Further, the rack is detachably connected with the upper die. The rack is convenient to disassemble and maintain, and the service life of the whole device is prolonged.
Furthermore, the top of the inclined plane of the wedge block is provided with a horizontal tangent plane. When the voussoir was promoted the connecting rod, the connecting rod finally removed to the tangent plane on, because the tangent plane is the horizontally, consequently can the outrigger connecting rod, and then the connecting rod can the outrigger roof, makes the ejector pin outrigger plastic products, is convenient for take out the plastic products outside the lower mould.
Furthermore, the bottom of going up the mould is equipped with the reference column, the top of lower mould is equipped with the locating hole that matches and use with the reference column. The positioning device is convenient to rapidly position when the upper die and the lower die are installed, and even if the positioning columns are aligned to the positioning holes, the purpose of rapid installation is achieved.
Furthermore, the lower die is provided with a plurality of heat dissipation holes communicated with the driving groove. When the melted plastic enters the lower die, the heat dissipation holes can accelerate the dissipation of heat in the lower die, so that the melted plastic is quickly solidified, and the production speed is increased.
Furthermore, a limiting spring is connected between the top plate and the side wall of the driving groove. When the top plate is upwards jacked up by the wedge block through the connecting rod, the top plate compresses the limiting spring, and when the connecting rod is not jacked up by the wedge block, the limiting spring returns to enable the top plate to reset.
Further, the top of the ejector rod is spherical. In order to avoid the plastic product from being stabbed in the jacking process of the mandril, the top of the mandril is spherical.
Furthermore, the rack is connected with a box body, the cylinder is positioned in the box body, and the rack penetrates through the box body and then is meshed with the gear. The cylinder is positioned in the box body, so that external dust and sundries can be prevented from falling onto the cylinder, and the service life of the cylinder is prolonged.
Drawings
FIG. 1 is a front view of an injection mold of a box for a refrigerator;
fig. 2 is a vertical sectional view of the lower mold of fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a supporting beam 1, a cylinder 2, a connecting block 3, a vertical beam 4, a push rod 5, a rack 6, a lower die 7, an upper die 8, a cylinder 9, a piston rod 10, an injection molding machine 11, a cross beam 12, a through groove 13, a rack 14, a gear 15, a top plate 16, a connecting rod 17, a wedge block 18, an ejector rod 19, a forming cavity 20 and a driving groove 21.
In the following statements, all the directional terms such as "left", "right", "upper", "lower", etc. are based on the directions shown in the drawings, and in practice, the corresponding structures do not affect the implementation of the schemes under the condition that the relative positions are kept unchanged by the same directional changes based on the directions.
Example (b): referring to fig. 1, an injection mold of a refrigerator case includes a frame 6, and the frame 6 is fixed to a floor by riveting. The welding of the top of frame 6 has cylinder 9, cylinder 9 includes piston rod 10, frame 6 still vertical sliding connection has injection molding machine 11 (its structure belongs to conventional technology, and does not belong to the improvement content of this application) and goes up mould 8, the top of injection molding machine 11 and piston rod 10 pass through bolt fixed connection, the top of going up mould 8 and the bottom of injection molding machine 11 pass through bolt fixed connection, the right side welding of going up mould 8 has crossbeam 12, the vertical groove (not shown in the figure) that supplies crossbeam 12 vertical removal is seted up on the right side of frame 6, and the right side welding of crossbeam 12 has vertical rack 14.
As shown in fig. 2, a molding cavity 20 is formed at the top of the lower mold 7, a driving groove 21 is formed inside the lower mold 7, the left end of the push rod 5 penetrates through the right side of the frame 6 and then extends into the driving groove 21, a wedge 18 is fixedly connected to the left end of the push rod 5 through a bolt, and a horizontal plane is formed at the top of the wedge 18. The driving groove 21 is vertically connected with a top plate 16 in a sliding mode, an ejector rod 19 extending into the forming cavity 20 is welded to the top of the top plate 16, a connecting rod 17 is welded to the bottom of the top plate 16, and the bottom of the connecting rod 17 is abutted to the inclined surface of the wedge block 18.
The working principle of the application is as follows: go up mould 8 and lower mould 7 and be in the lock state, injection molding machine 11 injects the molten plastics into towards in the shaping chamber 20, after plastics cooling solidification, utilize cylinder 9 drive piston rod 10 to move up, injection molding machine 11 with go up mould 8 all with the vertical sliding connection of frame 6, bolt fixed connection is passed through to the top of going up mould 8 and the bottom of injection molding machine 11, piston rod 10 drives injection molding machine 11 and last mould 8 rebound, it drives rack 14 rebound to go up mould 8 rethread crossbeam 12, because rack 14 and gear 15 mesh, and gear 15 and 2 coaxial welding of drum, drum 2 rotates again and connects between two supporting beam 1, consequently rebound's rack 14 drives gear 15 and rotates, gear 15 drives drum 2 again and rotates.
Because the side wall of the cylinder 2 is provided with the through groove 13 which inclines downwards towards the rack 6, the rack 6 is horizontally connected with the vertical beam 4 in a sliding way, the vertical beam 4 is welded with the push rod 5, the right end of the push rod 5 is welded with the connecting block 3 positioned in the through groove 13, when the cylinder 2 rotates, the side wall of the through groove 13 pushes the push rod 5 to horizontally move towards the lower die 7 leftwards through the connecting block 3, the push rod 5 pushes the wedge block 18 to horizontally move leftwards, the top plate 16 is vertically connected with the driving groove 21 in a sliding way, the bottom of the top plate 16 is welded with the connecting rod 17, the connecting rod 17 is abutted against the inclined surface of the wedge block 18, the wedge block 18 pushes the top plate 16 to move towards the upper die 8 through the connecting rod 17, the top plate 16 drives the ejector rod 19 connected with the top plate to enter the inner part of the lower die 7, finally, the ejector rod 19 ejects the plastic product out of the lower die 7, and the bottom of the connecting rod 17 is contacted with the plane, and the connecting rod 17 can stably support the plane, and then connecting rod 17 can stably support roof 16, makes ejector pin 19 stably support the plastics product, is convenient for take out the plastics product outside lower mould 7.
Similarly, when the air cylinder 9 drives the upper die 8 to move downwards, the wedge block 18 moves rightwards, the wedge block 18 does not limit the connecting rod 17, and the top plate 16 and the connecting rod 17 automatically move downwards due to gravity, so that the ejector rod 19 retracts into the driving groove 21.
Preferably, the lower mold 7 is provided with a plurality of heat dissipation holes communicating with the driving groove 21. When the melted plastic enters the lower die 7, the heat dissipation holes can accelerate the heat dissipation in the lower die 7, so that the melted plastic is quickly solidified, and the production speed is increased.
Preferably, the top of the ejector pin 19 is spherical in shape. In order to prevent the plastic product from being punctured during the jacking of the jack 19, the top of the jack 19 is shaped into a sphere.
Preferably, a limit spring is welded between the top plate 16 and the side wall of the driving groove 21. When the wedge 18 pushes up the top plate 16 via the connecting rod 17, the top plate 16 compresses the limiting spring, and when the wedge 18 does not push up the connecting rod 17, the limiting spring returns to reset the top plate 16.
It should be noted that, for those skilled in the art, without departing from the structure of the present invention, many modifications and improvements can be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (8)
1. The utility model provides an injection mold of box for refrigerator, includes the frame, the frame is equipped with mould and lower mould, go up the vertical sliding connection of mould and frame, its characterized in that: the upper die is connected with a rack, the rack is rotatably connected with a cylinder, a gear meshed with the rack is coaxially and fixedly sleeved on the cylinder, the cylinder is provided with an inclined through groove, the rack is horizontally and slidably connected with a push rod, and the push rod is connected with a connecting block positioned in the through groove; the bottom of lower mould is equipped with the drive groove, the vertical sliding connection in drive groove has the roof, the top of roof is connected with the ejector pin that stretches into the lower mould inside, the bottom of roof is connected with the connecting rod, the push rod is connected with the voussoir with the connecting rod butt.
2. An injection mold of a box for a refrigerator according to claim 1, wherein: the rack is detachably connected with the upper die.
3. An injection mold of a box for a refrigerator according to claim 2, wherein: the top of the wedge inclined plane is provided with a horizontal tangent plane.
4. An injection mold of a box for a refrigerator according to claim 3, wherein: the bottom of going up the mould is equipped with the reference column, the top of lower mould is equipped with the locating hole that matches the use with the reference column.
5. An injection mold of a box for a refrigerator according to claim 4, wherein: the lower die is provided with a plurality of heat dissipation holes communicated with the driving groove.
6. An injection mold of a box for a refrigerator according to any one of claims 1 to 5, wherein: and a limiting spring is connected between the top plate and the side wall of the driving groove.
7. An injection mold of a box for a refrigerator according to claim 6, wherein: the top of the ejector rod is spherical.
8. An injection mold of a box for a refrigerator according to claim 7, wherein: the rack is connected with a box body, the cylinder is positioned in the box body, and the rack penetrates through the box body and then is meshed with the gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022648397.9U CN214027010U (en) | 2020-11-16 | 2020-11-16 | Injection mold of box for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022648397.9U CN214027010U (en) | 2020-11-16 | 2020-11-16 | Injection mold of box for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214027010U true CN214027010U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022648397.9U Active CN214027010U (en) | 2020-11-16 | 2020-11-16 | Injection mold of box for refrigerator |
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| CN (1) | CN214027010U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179312A (en) * | 2021-12-21 | 2022-03-15 | 三信化工株式会社 | Resin tableware subjected to pattern etching treatment and injection mold |
| CN114248405A (en) * | 2021-11-17 | 2022-03-29 | 遵义群建塑胶制品有限公司 | Injection molding device convenient for material taking |
| CN114347359A (en) * | 2021-11-22 | 2022-04-15 | 宁波力松注塑科技有限公司 | High-precision injection molding machine |
| CN114670398A (en) * | 2022-03-07 | 2022-06-28 | 新谱（广州）电子有限公司 | Backlight source rubber frame injection mold and injection molding method |
| CN117140840A (en) * | 2023-09-18 | 2023-12-01 | 广东百赞智能装备有限公司 | Disc type mold opening and closing injection molding machine |
-
2020
- 2020-11-16 CN CN202022648397.9U patent/CN214027010U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248405A (en) * | 2021-11-17 | 2022-03-29 | 遵义群建塑胶制品有限公司 | Injection molding device convenient for material taking |
| CN114347359A (en) * | 2021-11-22 | 2022-04-15 | 宁波力松注塑科技有限公司 | High-precision injection molding machine |
| CN114347359B (en) * | 2021-11-22 | 2023-08-22 | 宁波力松注塑科技有限公司 | High-precision injection molding machine |
| CN114179312A (en) * | 2021-12-21 | 2022-03-15 | 三信化工株式会社 | Resin tableware subjected to pattern etching treatment and injection mold |
| CN114670398A (en) * | 2022-03-07 | 2022-06-28 | 新谱（广州）电子有限公司 | Backlight source rubber frame injection mold and injection molding method |
| CN114670398B (en) * | 2022-03-07 | 2023-08-08 | 新谱（广州）电子有限公司 | Backlight source rubber frame injection mold and injection molding method |
| CN117140840A (en) * | 2023-09-18 | 2023-12-01 | 广东百赞智能装备有限公司 | Disc type mold opening and closing injection molding machine |
| CN117140840B (en) * | 2023-09-18 | 2024-04-09 | 广东百赞智能装备有限公司 | Disc type mold opening and closing injection molding machine |
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