CN220146557U - Gear core-pulling ejection synchronous die structure - Google Patents
Gear core-pulling ejection synchronous die structure Download PDFInfo
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- CN220146557U CN220146557U CN202321477131.XU CN202321477131U CN220146557U CN 220146557 U CN220146557 U CN 220146557U CN 202321477131 U CN202321477131 U CN 202321477131U CN 220146557 U CN220146557 U CN 220146557U
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 238000013016 damping Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 6
- 238000001746 injection moulding Methods 0.000 description 7
- 239000002994 raw material Substances 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a gear core-pulling and ejection synchronous mold structure which comprises a movable mold assembly, a fixed mold assembly, an ejection assembly and a transmission assembly, wherein the movable mold assembly is connected with the lower part of the fixed mold assembly, and the fixed mold assembly comprises a top plate, a fixed mold seat and a male mold which are sequentially arranged from top to bottom; the movable die assembly comprises a female die, a shunt groove and a movable die holder which are sequentially arranged from top to bottom; the ejection assembly comprises an ejection rod and an ejection plate which are sequentially arranged from top to bottom; the transmission assembly comprises a transmission plate, a rack and a transmission gear; the setting of drive mechanism can make the ejector plate drive the ejector rod and keep stable removal at ejecting in-process, and the drive plate of ejector plate side reciprocates through rack and drive gear's cooperation simultaneously, can effectually keep stable removal to the in-process that moves the ejector plate, has solved the difficulty to the product drawing of patterns, appears the stretch out the scheduling problem easily, has improved ejection efficiency.
Description
Technical Field
The utility model relates to the field of dies, in particular to a gear core-pulling and ejection synchronous die structure.
Background
In order to facilitate the ejection of the workpiece, an upper ejection mechanism with an upper top plate and an ejector rod is usually arranged on the die, so that the workpiece is ejected downwards by the ejector rod after the die is opened; at present, in the die casting process, a special-shaped hole groove is often formed, and the special-shaped core is integrally formed, but because the core is special-shaped in shape, the core is tightly held in the separating process, so that the problems of difficult local demolding, easy cracking and the like are caused.
The prior art can refer to the China patent with the publication number of CN218615189U, which discloses an engine face guard injection mold, and comprises a lower sealing plate, the same upper sealing plate is arranged at the upper end of the lower sealing plate through a plurality of hydraulic rods, a male template is arranged at the upper end of the lower sealing plate, a female template is arranged at the bottom end of the upper sealing plate, a guide mechanism is arranged between the male template and the female template, cavities are formed in two sides of the upper end of the male template, a mold core is arranged in the cavities, rectangular grooves are formed in the side walls of the male template, a driving plate is arranged in the rectangular grooves, an ejection mechanism is arranged at the upper end of the driving plate, an extrusion cavity is formed in the female template and is internally connected with an extrusion block in a matched mode, an injection molding port is arranged at the bottom end of the extrusion cavity in a penetrating mode, a driving mechanism is arranged at the upper end of the extrusion block, a feeding mechanism is arranged at one side of the extrusion gun, a mold core cannot be formed in a back withdrawing mode, the mold core is still ejected in a single direction through a ejector rod, stability is poor, and problems such as pulling crack easily occur.
Disclosure of Invention
Aiming at the defects in the technology, the utility model provides a gear core-pulling and ejection synchronous mold structure.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the gear core-pulling and ejection synchronous mold structure comprises a movable mold assembly, a fixed mold assembly, an ejection assembly and a transmission assembly; the movable die assembly is connected with the lower part of the fixed die assembly;
the fixed die assembly comprises a top plate, a fixed die holder and a male die which are sequentially arranged from top to bottom; the lower surface of the top plate is connected with the fixed die seat, the male die is arranged in the middle of the inside of the fixed die seat, the movable die assembly comprises a female die, a shunt groove and a movable die holder which are sequentially arranged from top to bottom, and the female die is arranged in the middle of the inside of the movable die holder; the lower part of the fixed die seat is connected with the movable die seat, the shunt groove is formed in the upper surface of the female die, and the ejection assembly comprises an ejection rod and an ejection plate which are sequentially arranged from top to bottom; the transmission assembly comprises a transmission plate, a rack and a transmission gear; the transmission assembly is arranged in the movable die assembly, the ejector rod is arranged on the upper surface of the ejector plate, the transmission plate is arranged on one side of the ejector plate, and the rack and the transmission gear are arranged on one side of the transmission plate.
As a further explanation, the movable die assembly comprises a fixed block, a movable die base and a transverse plate; the fixed block is arranged on the upper surface of the movable die base, the transverse plate is arranged on the upper surface of the movable die base, and the upper surface of the fixed block is connected with the movable die holder.
As a further illustration, the cross plate is connected to the ejector plate, the cross plate being located between the movable mold base and the ejector plate.
As further illustration, a pouring runner is formed in the upper surface of the top plate, the pouring runner penetrates through the top plate and the fixed die seat, a pouring sleeve is arranged at one end of the pouring runner, a flow tube is arranged at one end of the pouring sleeve, and the output end of the flow tube is connected with the male die.
As further illustration, the upper surface of the cross plate is provided with a damping spring, and the damping spring is positioned between the cross plate and the movable die holder and is connected with the movable die holder.
As a further illustration, the drive gear is connected with the rack, and the fixed block is located at both sides of the ejector plate and the cross plate.
As a further illustration, the ejection assembly comprises a guide sleeve and a guide post, wherein the guide sleeve is connected with the guide post; the guide posts respectively penetrate through the fixed die holder and between the movable die holders; the guide sleeve is arranged on the upper surface of the fixed die holder.
As a further illustration, one end of the ejector rod is connected to the female die, the ejector rod being located between the ejector plate and the female die.
In summary, the utility model has the following beneficial effects: the utility model relates to a gear core-pulling ejection synchronous mold structure; the setting of drive mechanism can make the ejector plate drive the ejector rod and keep stable removal at ejecting in-process, and the drive plate of ejector plate side reciprocates through rack and drive gear's cooperation simultaneously, can effectually keep stable removal to the in-process that moves the ejector plate, has solved the difficulty to the product drawing of patterns, appears the stretch out the scheduling problem easily, has improved ejection efficiency.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is an exploded view of the structural body of the present utility model;
FIG. 3 is a front view A-A of the three-dimensional structure of the present utility model;
FIG. 4 is a schematic cross-sectional view of the present utility model;
fig. 5 is a schematic structural view of the present utility model.
Reference numerals in the drawings: 1-pouring runner, 2-pouring sleeve, 3-flow tube, 4-damping spring, 10-top plate, 11-die holder, 12-male die, 20-female die, 201-shunt groove, 202-die holder, 203-fixed block, 204-cross plate, 205-movable die base, 30-ejector plate, 301-guide sleeve, 302-guide pillar, 303-ejector rod, 40-driving plate, 401-rack and 402-driving gear.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
1-5, the gear core-pulling ejection synchronous mold structure comprises a movable mold assembly, a fixed mold assembly, an ejection assembly and a transmission assembly, wherein the movable mold assembly is connected with the lower part of the fixed mold assembly;
the fixed die assembly comprises a top plate 10, a fixed die holder 11 and a male die 12 which are sequentially arranged from top to bottom; the lower surface of the top plate 10 is connected with the fixed die seat 11, the male die 12 is arranged in the middle of the inside of the fixed die seat 11, the movable die assembly comprises a female die 20, a shunt groove 201 and a movable die seat 202 which are sequentially arranged from top to bottom, and the female die 20 is arranged in the middle of the inside of the movable die seat 202; a movable die holder 202 connected to the lower part of the fixed die holder 11; the shunt grooves 201 are formed on the upper surface of the female die 20; the ejection assembly comprises an ejection rod 303 and an ejection plate 30 which are sequentially arranged from top to bottom; the transmission assembly comprises a transmission plate 40, a rack 401 and a transmission gear 402, and is arranged in the movable die assembly; the ejector rod 303 is arranged on the upper surface of the ejector plate 30, and the transmission plate 40 is arranged on one side of the ejector plate 30; the rack 401 and the transmission gear 402 are positioned at one side of the transmission plate 40; when in use, the die assembly is carried out through the fixed die holder 11 and the movable die holder 202, so that the female die 20 and the male die 12 arranged in the fixed die holder 11 and the movable die holder 202 finish injection molding; after injection molding, the female die 20 is separated from the male die 12, the transmission plate 40 drives the ejector plate 30 and the rack 401 to move, the rack 401 drives the transmission gear 402 to move, and meanwhile, the ejector plate 30 drives the ejector rod 303 to move, so that an injected product is conveniently ejected, and the stability of the product can be improved during demolding through the design of the transmission assembly; when the injection molding raw materials respectively enter the space between the female die 20 and the male die 12, the raw materials can be drained into the die through the shunt grooves 201, so that the injection molding effect can be effectively improved.
The movable die assembly comprises a fixed block 203, a movable die base 205 and a transverse plate 204; the fixed block 203 is arranged on the upper surface of the movable die base 205, the transverse plate 204 is arranged on the upper surface of the movable die base 205, and the upper surface of the fixed block 203 is connected with the movable die holder 202; through the arrangement of the fixed block 203, the fixed block 203 can play a stable role when the movable mould assembly operates, so that the movable mould assembly is prevented from shaking during operation to influence the effect of injection products; the movable die base 205 can support the fixed block 203 and can improve the stable and supporting effect of the movable die assembly; the ejector plate 30 is supported by the provision of the cross plate 204.
The transverse plate 204 is connected with the ejector plate 30, and the transverse plate 204 is positioned between the movable die base 205 and the ejector plate 30; through the setting of liftout plate 30, drive plate 40 will drive liftout plate 30, rack 401 and remove when the drawing of patterns, and rack 401 drive gear 402 reciprocates, and liftout plate 30 and liftout rod 303 reciprocate simultaneously, and the product after accomplishing the inside injection molding of die 20 is ejecting, and after the product is accomplished ejecting, the liftout plate 30 and the liftout rod 303 that are used for the promotion will stop driving, and drive assembly will also stop driving liftout plate 30 and liftout rod 303 simultaneously.
The upper surface of the top plate 10 is provided with a pouring runner 1, the pouring runner 1 penetrates through the top plate 10 and the fixed die seat 11, one end of the pouring runner 1 is provided with a pouring sleeve 2, one end of the pouring sleeve 2 is provided with a flow tube 3, and the output end of the flow tube 3 is connected with the male die 12; through the arrangement of the pouring runner 1, when raw materials need to be injected into the movable die assembly and the fixed die assembly, the raw materials can be transmitted between the female die 20 and the male die 12 between the movable die assembly and the fixed die assembly through the pouring runner 1 through the flow pipe 3, and injection molding is completed; the setting through pouring jacket 2 is convenient for be convenient for when pouring the raw materials quick positioning pouring jacket 2, also prevents the condition that the raw materials overflowed when pouring simultaneously.
The upper surface of the cross plate 204 is provided with a damping spring 4, and the damping spring 4 is positioned between and connected with the cross plate 204 and the movable die holder 202. Through the arrangement of the damping springs 4, the damping springs 4 are arranged on the upper surface of the ejector plate 30, and after the product is ejected, the damping springs 4 reset the ejector plate 30; when the movable die holder 202 is subjected to excessive vibration, the vibration can be damped through the damping spring 4, so that the occurrence of die collision is avoided, and equipment is effectively protected.
The transmission gear 402 is connected with the rack 401, and the fixing blocks 203 are positioned at two sides of the ejection plate 30 and the transverse plate 204; through the setting of drive gear 402, after the product is accomplished, accessible drive gear 402 moves along rack 401, and simultaneously pulls drive plate 40 and together moves, and drive plate 40 will also together drive liftout plate 30 and remove when driving the removal of drive gear 402 and rack 401, liftout plate 30 then can drive liftout rod 303 and remove.
The ejection assembly comprises a guide sleeve 301 and a guide post 302, and the guide sleeve 301 is connected with the guide post 302; the guide posts 302 respectively penetrate through the fixed die holder 11 and the movable die holder 202; the guide sleeve 301 is arranged on the upper surface of the fixed die seat 11; through the arrangement of the guide sleeve 301, the guide sleeve 301 can effectively protect the whole die structure during die assembly, and the guide sleeve 301 can buffer and protect the die structure when the die structure is subjected to excessive external impact; through the setting of guide pillar 302 for to fixed support's effect is carried out cover half seat 11 and movable mould seat 202, prevents to take place to rock when using, has improved the stability of whole mould structure.
One end of the ejector rod 303 is connected with the female die 20, and the ejector rod 303 is positioned between the ejector plate 30 and the female die 20; through the setting of ejector rod 303, after the product is moulded plastics and is accomplished the accessible ejector rod 303 with the product ejecting, the operator of being convenient for takes out the product, has improved production efficiency.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. Gear knockout synchronous mold structure of loosing core, its characterized in that: comprises a movable die assembly, a fixed die assembly, an ejection assembly and a transmission assembly; the movable die assembly is connected with the lower part of the fixed die assembly;
the fixed die assembly comprises a top plate, a fixed die holder and a male die which are sequentially arranged from top to bottom; the lower surface of the top plate is connected with the fixed die seat, the male die is arranged in the middle of the inside of the fixed die seat, the movable die assembly comprises a female die, a shunt groove and a movable die holder which are sequentially arranged from top to bottom, the female die is arranged in the middle of the inside of the movable die holder, the lower part of the fixed die seat is connected with the movable die holder, the shunt groove is arranged on the upper surface of the female die, and the ejection assembly comprises an ejection rod and an ejection plate which are sequentially arranged from top to bottom; the transmission assembly comprises a transmission plate, a rack and a transmission gear, the transmission assembly is arranged in the movable die assembly, the ejector rod is arranged on the upper surface of the ejector plate, the transmission plate is arranged on one side of the ejector plate, and the rack and the transmission gear are located on one side of the transmission plate.
2. The gear core-pulling ejection synchronous mold structure according to claim 1, wherein: the movable die assembly comprises a fixed block, a movable die base and a transverse plate; the fixed block is arranged on the upper surface of the movable die base, the transverse plate is arranged on the upper surface of the movable die base, and the upper surface of the fixed block is connected with the movable die holder.
3. The gear core-pulling ejection synchronous mold structure according to claim 2, wherein: the transverse plate is connected with the ejector plate, and is positioned between the movable die base and the ejector plate.
4. The gear core-pulling ejection synchronous mold structure according to claim 3, wherein: the upper surface of roof has seted up the pouring runner, the pouring runner run through in the roof with the cover half seat, the one end of pouring runner is equipped with the pouring cover, the one end of pouring cover is equipped with the flow pipe, the output of flow pipe with the terrace die is connected.
5. The gear loose core ejection synchronous mold structure according to claim 4, wherein: the upper surface of diaphragm is equipped with damping spring, damping spring is located the diaphragm with move between the die holder and be connected.
6. The gear loose core ejection synchronous mold structure according to claim 5, wherein: the transmission gear is connected with the rack, and the fixed blocks are positioned on two sides of the ejection plate and the transverse plate.
7. The gear core-pulling ejection synchronous mold structure according to claim 6, wherein: the ejection assembly comprises a guide sleeve and a guide pillar, and the guide sleeve is connected with the guide pillar; the guide posts respectively penetrate through the fixed die holder and the movable die holder; the guide sleeve is arranged on the upper surface of the fixed die holder.
8. The gear core-pulling ejection synchronous mold structure according to claim 7, wherein: one end of the ejector rod is connected with the female die, and the ejector rod is positioned between the ejector plate and the female die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321477131.XU CN220146557U (en) | 2023-06-09 | 2023-06-09 | Gear core-pulling ejection synchronous die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321477131.XU CN220146557U (en) | 2023-06-09 | 2023-06-09 | Gear core-pulling ejection synchronous die structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220146557U true CN220146557U (en) | 2023-12-08 |
Family
ID=89013176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321477131.XU Active CN220146557U (en) | 2023-06-09 | 2023-06-09 | Gear core-pulling ejection synchronous die structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220146557U (en) |
-
2023
- 2023-06-09 CN CN202321477131.XU patent/CN220146557U/en active Active
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