CN216267252U - Ejection device for mold - Google Patents
Ejection device for mold Download PDFInfo
- Publication number
- CN216267252U CN216267252U CN202122711625.7U CN202122711625U CN216267252U CN 216267252 U CN216267252 U CN 216267252U CN 202122711625 U CN202122711625 U CN 202122711625U CN 216267252 U CN216267252 U CN 216267252U
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- CN
- China
- Prior art keywords
- ejection
- templates
- ejector rod
- fixed
- clamping plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 abstract description 3
- 238000001746 injection moulding Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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Abstract
The utility model relates to an ejection device for a die, which comprises two ejection templates arranged above a movable die, an ejector rod detachably connected to the bottoms of the ejection templates and penetrating through the movable die, and an ejection assembly clamped with the ejection templates and used for pushing the ejection templates to move up and down; the lower surface formed by splicing the two ejection templates is the same as the lower surface of the movable mold, and a sliding block is fixedly arranged on the upper surface of each ejection template; the ejection assembly comprises a fixed plate fixed at the end of a hydraulic cylinder rod on the top of the movable die, a lifting mechanism fixed at the bottom of the fixed plate, and a clamping plate fixed at the bottom end of the lifting mechanism and movably clamped with the sliding block. According to the utility model, the lifting mechanism of the ejection assembly is connected with the hydraulic cylinder above the movable die, the ejection template can drive the ejector rod to slide in the clamping plate fixed on the fixed die placing table for assembly and disassembly, when the die and the ejector rod are replaced, the lifting mechanism does not need to be replaced, the equipment cost is reduced, the ejector rod is quickly and conveniently installed, and the processing efficiency of automobile parts is not influenced.
Description
Technical Field
The utility model belongs to the field of molds, and particularly relates to an ejection device for a mold.
Background
As is known, an injection mold is a very widely-used mold in the current industrial production process, and mainly comprises a fixed mold, a movable mold and an ejection mechanism, wherein the ejection mechanism is usually arranged on the movable mold, and when the mold is opened, the mold opening is usually completed by arranging the ejection mechanism.
The conventional ejection device of the injection mold is generally fixedly installed with the injection mold, and when the mold is replaced, the ejection device needs to be replaced as well, so that an electric control element (a hydraulic cylinder, a pneumatic cylinder, an electric push rod and the like) for realizing ejection action in the ejection device needs to be replaced, the electric control element of the ejection device is difficult to reuse, and the mold manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving the above problems and to providing an ejector apparatus for a mold.
The utility model realizes the purpose through the following technical scheme:
an ejection device for a die comprises two ejection die plates arranged above a movable die, an ejector rod detachably connected to the bottoms of the ejection die plates and penetrating through the movable die, and an ejection assembly clamped with the ejection die plates and used for pushing the ejection die plates to move up and down;
the lower surface formed by splicing the two ejection templates is the same as the lower surface of the movable mold, and a sliding block is fixedly arranged on the upper surface of each ejection template;
the ejection assembly comprises a fixed plate fixed at the end of a hydraulic cylinder rod on the top of the movable die, a lifting mechanism fixed at the bottom of the fixed plate, and a clamping plate fixed at the bottom end of the lifting mechanism and movably clamped with the sliding block.
As a further optimization scheme of the utility model, a semicircular hole is formed in the edge of one side, close to the hydraulic cylinder, of the ejection template, and the semicircular holes of the two ejection templates are spliced into a circular hole and surround the circumferential surface of the bottom end of the hydraulic cylinder.
As a further optimized scheme of the utility model, a spring is sleeved outside the ejector rod between the movable die and the clamping plate.
As a further optimization scheme of the utility model, a fixed frame is arranged on one side of the clamping plate, the bottom end of the fixed frame is fixedly connected with the fixed die placing table, a sliding plate is fixedly arranged at one end of the clamping plate close to the fixed frame, a sliding groove is formed in the inner side wall of the fixed frame corresponding to the sliding plate, and the sliding plate slides in the sliding groove.
As a further optimization scheme of the utility model, clamping grooves are symmetrically formed in the lower surface of the clamping plate along the width direction of the clamping plate, one ends of the clamping grooves, which are close to the front side wall and the rear side wall of the clamping plate, penetrate through the clamping plate to form openings, the sliding block, the clamping grooves and the cross sections of the openings are all arranged in a T shape, and the sliding block slides in the clamping grooves through the openings.
As a further optimization scheme of the utility model, the lifting mechanism adopts a hydraulic cylinder.
As a further optimization scheme of the utility model, the lower surface of the ejection template corresponding to the top end of the ejector rod is provided with a threaded groove, the top end of the ejector rod is in threaded fit with the threaded groove, and a baffle plate is fixedly arranged outside the ejector rod corresponding to the outer side of the threaded groove.
The utility model has the beneficial effects that:
1) according to the utility model, the lifting mechanism of the ejection assembly is connected with the hydraulic cylinder above the movable die, the ejection template can drive the ejector rod to slide in the clamping plate fixed on the fixed die placing table for assembly and disassembly, when the die and the ejector rod are replaced, the lifting mechanism is not required to be replaced, the equipment cost is reduced, the ejector rod is quickly and conveniently installed, and the processing efficiency of automobile parts is not influenced;
2) the ejector rods are fixed by the two spliced ejector templates, the spliced lower surfaces of the ejector templates are the same as the lower surface of the movable mold, only the ejector rods with the same length need to be uniformly processed during the processing of the ejector rods, and then the ejector rods are connected to the lower surfaces of the ejector templates in a threaded manner, so that the ejector rods are fast and convenient to process and install, and can be quickly replaced when the ejector rods are damaged.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a schematic structural view of part a of fig. 2 according to the present invention.
Figure 4 is a top view of the ejector template of the present invention prior to installation with the card.
In the figure: 1. ejecting the template; 2. a top rod; 3. ejecting the assembly; 4. a slider; 31. a fixing plate; 32. a lifting mechanism; 33. clamping a plate; 5. a spring; 6. a fixed mount; 7. fixing a mold placing table; 8. a slide plate; 9. a chute; 10. a card slot; 11. a semicircular hole; 12. a thread groove; 13. and a baffle plate.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention; in the description of the present invention, the meaning of "plurality" or "a plurality" is two or more unless otherwise specified.
Example 1
As shown in fig. 1-4, an ejection device for a mold comprises two ejection templates 1 arranged above a movable mold, an ejector rod 2 detachably connected to the bottom of the ejection templates 1 and penetrating through the movable mold, and an ejection assembly 3 which is clamped with the ejection templates 1 and pushes the ejection templates 1 to move up and down;
the lower surface formed by splicing the two ejection templates 1 is the same as the lower surface of the movable die, and a sliding block 4 is fixedly arranged on the upper surface of each ejection template 1;
the ejection assembly 3 comprises a fixed plate 31 fixed on the end of a hydraulic cylinder at the top of the movable die, a lifting mechanism 32 fixed on the bottom of the fixed plate 31, and a clamping plate 33 fixed on the bottom end of the lifting mechanism 32 and movably clamped with the sliding block 4.
The spring 5 is sleeved outside the ejector rod 2 between the movable die and the clamping plate 33, and can play a role in buffering when a product is ejected.
Cardboard 33 one side is provided with mount 6, 7 fixed connection are placed to 6 bottoms of mount and cover half, cardboard 33 is close to the fixed slide 8 that is equipped with of one end of mount 6, slide 9 has been seted up on the 6 inside walls of mount that 8 correspond of slide, slide 8 slides in slide 9.
The lower surface of the clamping plate 33 is symmetrically provided with clamping grooves 10 along the width direction of the clamping plate 33, one ends of the clamping grooves 10, which are close to the front side wall and the rear side wall of the clamping plate 33, penetrate through the clamping plate 33 to form openings, the cross sections of the sliding blocks 4, the clamping grooves 10 and the openings are all arranged in a T shape, the sliding blocks 4 slide in the clamping grooves 10 through the openings, the clamping grooves 10 and the sliding blocks 4 arranged in the T-shaped cross sections can realize the clamping connection of the ejection template 1 and the clamping plate 33, and the ejection template 1 cannot fall off and can move up and down along with the clamping plate 33;
the edge of one side of the ejection template 1, which is close to the hydraulic cylinder, is provided with a semicircular hole 11, and the semicircular holes 11 of the two ejection templates 1 are spliced into a circular hole and surround the bottom end periphery of the hydraulic cylinder.
It should be noted that, when installing a mold, the fixed mold can be installed on the fixed mold placing table 7, then the sliding blocks 4 on the upper surfaces of the two ejecting templates 1 are respectively aligned to the clamping grooves 10 on the front and rear sides of the two clamping plates 33, the sliding blocks 4 are inserted into the clamping grooves 10 at the opening, when the two ejecting templates 1 are butted and spliced on the front and rear sides of the hydraulic cylinder on the top of the movable mold, the ejector rod 2 insertion holes on the movable mold are aligned to the ejector rods 2 at the bottom of the ejecting templates 1, the movable mold penetrates through the ejector rods 2 and then is installed at the bottom end of the hydraulic cylinder through screws, and at the moment, the movable mold is fixed, and the limit fixation of the two ejecting templates 1 is realized through the limit of the ejector rods 2;
when injection molding is carried out after the mold is installed, a hydraulic cylinder at the top of the movable mold drives the movable mold to move downwards, meanwhile, the hydraulic cylinder drives the lifting mechanism 32, the clamping plate 33, the ejection template 1 and the ejector rod 2 to move downwards along with the movable mold through the fixing plate 31, injection molding is started after the movable mold and the fixed mold are matched, after molding, the hydraulic cylinder drives the movable mold to move upwards to realize mold opening, meanwhile, the lifting mechanism 32, the clamping plate 33, the ejection template 1 and the ejector rod 2 are driven by the fixing plate 31 to move upwards along with the movable mold, at the moment, the lifting mechanism 32 is started to push the ejection template 1 to move downwards through the fixing plate 31, the ejection template 1 drives the ejector rod 2 to move downwards, and an injection molding product on the lower surface of the movable mold can be ejected;
when the die is subsequently replaced, the movable die is only required to be detached from the bottom end of the hydraulic cylinder, the movable die is separated from the ejector rod 2, and then the ejection template 1 is pulled back and forth to be separated from the clamping plate 33, so that the movable die, the ejection template 1 and the ejector rod 2 can be replaced without replacing the lifting mechanism 32, and the equipment cost is reduced;
in addition, because the lower surface formed by splicing the two ejection templates 1 is the same as the lower surface of the movable mold, only the ejector rod 2 with one length needs to be produced when the ejector rod 2 is produced, when the ejector rod 2 is installed at the bottom of the ejection template 1, the ejector rod 2 only needs to be installed correspondingly according to the position of an insertion hole of the ejector rod 2 on the movable mold, the length of the ejector rod 2 is not needed to be considered, and the installation is quick and convenient; after the installation is finished, when the ejector plate 1 is driven to penetrate through the movable die, the bottom end of the ejector rod 2 can be coplanar with the lower surface of the movable die, and the injection molding residual quantity at the position of the ejector rod 2 after the injection molding product is molded is reduced.
Furthermore, the lifting mechanism 32 adopts a hydraulic cylinder, so that the lifting mechanism 32 and the hydraulic cylinder at the top of the movable mold are the same equipment, subsequent maintenance is convenient, and a hydraulic oil supply system can be adopted, so that the use is convenient.
As shown in fig. 3, a thread groove 12 is formed in the lower surface of the ejector template 1 corresponding to the top end of the ejector rod 2, the top end of the ejector rod 2 is in thread fit with the thread groove 12, and a baffle 13 is fixedly arranged outside the ejector rod 2 corresponding to the outer side of the thread groove 12.
It should be noted that, when the ejector rod 2 is connected with the ejector template 1, the top end of the ejector rod 2 is in threaded connection with the threaded groove 12 on the lower surface of the ejector template 1, when the baffle 13 is attached to the ejector template 1 and the ejector rod 2 cannot rotate, the ejector rod 2 is inserted into the bottom of the threaded groove 12, the installation of the ejector rod 2 is completed, the ejector rod 2 can be attached to the bottom end of the insertion hole of the ejector rod 2 when being inserted into the movable mold, the installation is quick and simple, and the ejector rod 2 can be quickly replaced when being damaged.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (7)
1. An ejection device for a mold, characterized in that: the ejection mechanism comprises two ejection templates (1) arranged above a movable die, an ejector rod (2) detachably connected to the bottoms of the ejection templates (1) and penetrating through the movable die, and an ejection assembly (3) clamped with the ejection templates (1) and used for pushing the ejection templates (1) to move up and down;
the lower surface formed by splicing the two ejection templates (1) is the same as the lower surface of the movable mold, and a sliding block (4) is fixedly arranged on the upper surface of each ejection template (1);
the ejection assembly (3) comprises a fixing plate (31) fixed on the end of a hydraulic cylinder at the top of the movable die, a lifting mechanism (32) fixed at the bottom of the fixing plate (31), and a clamping plate (33) fixed at the bottom end of the lifting mechanism (32) and movably clamped with the sliding block (4).
2. An ejection apparatus for a mold according to claim 1, wherein: the edge of one side, close to the hydraulic cylinder, of each ejection template (1) is provided with a semicircular hole (11), and the semicircular holes (11) of the two ejection templates (1) are spliced into a circular hole and surround the periphery of the bottom end of the hydraulic cylinder.
3. An ejection apparatus for a mold according to claim 1, wherein: and a spring (5) is sleeved outside the ejector rod (2) between the movable die and the clamping plate (33).
4. An ejection apparatus for a mold according to claim 1, wherein: cardboard (33) one side is provided with mount (6), platform (7) fixed connection is placed with the cover half to mount (6) bottom, cardboard (33) are close to the fixed slide (8) that is equipped with of one end of mount (6), spout (9) have been seted up on mount (6) inside wall that slide (8) correspond, slide (8) slide in spout (9).
5. An ejection apparatus for a mold according to claim 1, wherein: the clamping plate is characterized in that clamping grooves (10) are symmetrically formed in the lower surface of the clamping plate (33) along the width direction of the clamping plate (33), one end, close to the front side wall and the rear side wall of the clamping plate (33), of each clamping groove (10) penetrates through the clamping plate (33) to form an opening, the sliding block (4), the clamping grooves (10) and the cross sections of the openings are all T-shaped, and the sliding block (4) slides in the clamping grooves (10) through the openings.
6. An ejection apparatus for a mold according to claim 1, wherein: the lifting mechanism (32) adopts a hydraulic cylinder.
7. An ejection apparatus for a mold according to claim 1, wherein: the lower surface of the ejection template (1) corresponding to the top end of the ejector rod (2) is provided with a threaded groove (12), the top end of the ejector rod (2) is in threaded fit with the threaded groove (12), and a baffle (13) is fixedly arranged outside the ejector rod (2) corresponding to the outer side of the threaded groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122711625.7U CN216267252U (en) | 2021-11-08 | 2021-11-08 | Ejection device for mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122711625.7U CN216267252U (en) | 2021-11-08 | 2021-11-08 | Ejection device for mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216267252U true CN216267252U (en) | 2022-04-12 |
Family
ID=81005562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122711625.7U Expired - Fee Related CN216267252U (en) | 2021-11-08 | 2021-11-08 | Ejection device for mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216267252U (en) |
-
2021
- 2021-11-08 CN CN202122711625.7U patent/CN216267252U/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: 20220412 |
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| CF01 | Termination of patent right due to non-payment of annual fee |