CN220973193U - Mould structure of built-in bullet piece of large-scale mould oblique ejection - Google Patents
Mould structure of built-in bullet piece of large-scale mould oblique ejection Download PDFInfo
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- CN220973193U CN220973193U CN202323025677.4U CN202323025677U CN220973193U CN 220973193 U CN220973193 U CN 220973193U CN 202323025677 U CN202323025677 U CN 202323025677U CN 220973193 U CN220973193 U CN 220973193U
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- 238000000465 moulding Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 18
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 description 13
- 230000008901 benefit Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model discloses a die structure for optimizing a demolding process, stably demolding and improving product yield of large dies and obliquely ejecting built-in elastic blocks, which comprises the following components: the die comprises a die holder, wherein a main die cavity is arranged on the die holder, a plurality of movable die cores are arranged on the periphery of the die holder, the plurality of movable die cores comprise a large inclined top and a spring block, the large inclined top is provided with an assembly space, and the spring block is arranged in the assembly space; the large inclined roof is provided with a first cavity, and the first cavity can be combined with the main cavity and then matched with the molding processing of the object; the elastic block is provided with a second cavity for forming and processing the back-off on the object; the elastic block is connected with a driving piece, the driving piece drives the elastic block to enter an assembly space along a first direction L1 or to move out of the assembly space along a second direction L2, a guide block is arranged in the assembly space, the elastic block is provided with a matching groove for the guide block to extend into, and the guide block is matched with the matching groove to guide the movement of the guide block; the utility model relates to the technical field of dies.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a die structure with built-in elastic blocks in a large die inclined top.
Background
The plastic door panel object of the automobile is a critical part in the automobile manufacturing decoration of the modern automobile, the instrument panel object is presented in front of driving and passengers, the aesthetic degree of the instrument panel object directly reflects the whole quality of the automobile, and the importance of the door panel body object is self-evident. The door plate object is generally required to be split type in the high-end car type, wherein the door plate upper die structure is complex, the assembly size is large, the precision requirement is high, along with the improvement of the requirement of people on the interior decoration object, the automobile door plate object adopts an external cladding process, the die structure is further improved in complexity, and a plurality of back-off characteristics are required to be added laterally to meet the cladding structure requirement. Therefore, the mold is required to be high in precision and quality in manufacturing, and the problems in all aspects need to be considered.
When the object with the inverted buckle characteristic is demoulded after being molded on the die, if the traditional demould mode (large-area cavity direct demould) is adopted, the deformation of the object is easy to occur, and the yield of products is reduced.
Disclosure of utility model
Aiming at the defects and shortcomings of the prior art, the die structure for optimizing the demolding process, stabilizing demolding and improving the product yield of the large die obliquely pushing the built-in elastic block is provided.
A die structure for a large die with a built-in spring block obliquely jacked, comprising: the die comprises a die holder, wherein a main die cavity is arranged on the die holder, a plurality of movable die cores are arranged on the periphery of the die holder, the plurality of movable die cores comprise a large inclined top and a spring block, the large inclined top is provided with an assembly space, and the spring block is arranged in the assembly space;
The large inclined roof is provided with a first cavity, and the first cavity can be combined with the main cavity and then matched with the molding processing of the object;
The elastic block is provided with a second cavity for forming and processing the back-off on the object;
The bullet piece is connected with the driving piece, in the first direction L1 got into the assembly space, perhaps follow the second direction L2 and remove from the assembly space along the driving piece drive bullet piece, be provided with the guide block in the assembly space, the bullet piece is provided with the cooperation groove that supplies the guide block to stretch into, and the guide block is guided the removal of guide block with cooperation groove cooperation.
After the structure is adopted, the die structure of the large die obliquely-pushing built-in elastic block has the following advantages compared with the prior art:
After the object is formed, the elastic block on the large inclined roof is driven by the drag hook to move upwards along the guide block, so that the back-off part of the elastic block and the object is demolded firstly, and after the back-off demolding process is finished, demolding of other cavities and the object is finished;
The cavity is separated from the object step by step, deformation of the object caused by synchronous demolding is avoided, and the molding yield of the object is improved, wherein the area of the first cavity is larger than that of the second cavity, and during demolding, the small-volume cavity is demolded before the large-volume cavity and the object, so that the demolding step is more reasonable, and the molding yield of the object is better;
In addition, the elastic block is arranged in the assembly space on the large inclined roof, so that the device has the characteristics of compact structure and small space occupation; through the cooperation of guide block and cooperation groove, the removal to the bullet piece is led, makes the bullet piece remove reliable and stable.
As an improvement of the utility model, the elastic piece is abutted against the assembling space, and when the elastic piece moves along the first direction L1, the elastic piece is preloaded and has a preload towards the second direction L2.
As an improvement of the utility model, the guide blocks are of a T-shaped structure, the number of the guide blocks is two, and the two guide blocks are independently matched with the matching grooves at the two ends of the elastic block.
As an improvement of the utility model, the large inclined roof is connected with a driving mechanism, the driving mechanism comprises an auxiliary rod and a sliding seat which is sleeved on the auxiliary rod and can move along a third direction L3, the sliding seat is connected with a universal block which can slide along a fourth direction L4 in a sliding manner through a sliding groove, the universal block is hinged with the lower end of the inclined roof rod, and the upper end of the inclined roof rod is connected with the large inclined roof.
As an improvement of the utility model, the number of the driving mechanisms is two, wherein the inclined ejector rod of one driving mechanism is used for connecting the front end of the large inclined ejector, and the inclined ejector rod of the other driving mechanism is used for connecting the tail end of the large inclined ejector.
As an improvement of the utility model, the assembly space is provided with a limiting block, and the elastic block moves along the second direction L2 and has a position propped against the limiting block.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the hidden part of fig. 1 according to the present utility model.
FIG. 3 is a schematic view of the hidden projectile of FIG. 2 according to the present utility model.
Fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.
Fig. 5 is a schematic view of the structure of the bullet of the present utility model.
Fig. 6 is a schematic view of the bottom mechanism of the spring block of the present utility model.
The figure shows: 1. a die holder; 2. large inclined roof; 2.1, an assembly space; 2.11, a guide block; 2.12, limiting blocks; 3. a spring block; 3.1, a second cavity; 3.2, a matching groove; 4. a driving member; 5. an elastic member; 6. a driving mechanism; 6.1, auxiliary rod; 6.2, sliding seat; 6.3, universal blocks; 6.4, obliquely pushing the rod; 7. an article.
Detailed Description
The utility model will be further described with reference to the drawings and the specific examples.
Referring to fig. 1-6, a die structure for obliquely ejecting a built-in spring block 3 of a large die includes: the die holder 1 is provided with a main die cavity, a plurality of movable die cores are arranged on the periphery of the die holder 1, the plurality of movable die cores comprise a large inclined top 2 and a spring block 3, the large inclined top 2 is provided with an assembly space 2.1, and the spring block 3 is arranged in the assembly space 2.1;
The large inclined roof 2 is provided with a first cavity, and the first cavity can be combined with the main cavity and then matched with the molding processing of the object 7;
The elastic block 3 is provided with a second cavity 3.1 for forming and processing the back-off on the object 7;
The bullet piece 3 is connected with the driving piece 4, the driving piece 4 drives the bullet piece 3 along in the first direction L1 gets into assembly space 2.1, perhaps follow the second direction L2 and remove from assembly space 2.1, be provided with guide block 2.11 in the assembly space 2.1, bullet piece 3 is provided with the cooperation groove 3.2 that supplies guide block 2.11 to stretch into, and guide block 2.11 cooperates with cooperation groove 3.2 and leads the removal of guide block 2.11.
After adopting above structure, the mould structure of the built-in spring block 3 of large mould oblique ejection of the utility model, compared with the prior art, has the following advantage:
After the object 7 is molded, the elastic block 3 on the large inclined roof 2 is driven by a drag hook to move upwards along the guide block 2.11, so that the back-off part of the elastic block 3 and the object 7 is subjected to demolding firstly, and after the back-off demolding process is finished, demolding of other cavities and the object 7 is finished;
The cavity is separated from the object 7 step by step, deformation of the object 7 caused by synchronous demolding is avoided, and the molding yield of the object 7 is improved, wherein the area of the first cavity is larger than that of the second cavity 3.1, and during demolding, the small-volume cavity is demolded with the object 7 before the large-volume cavity, so that the demolding step is more reasonable, and the molding yield of the object is better;
In addition, the elastic block 3 is arranged in the assembly space 2.1 on the large inclined roof 2, and has the characteristics of compact structure and small space occupation; through the cooperation of guide block 2.11 and cooperation groove 3.2, the removal to bullet piece 3 is guided, makes bullet piece 3 remove reliable and stable.
As an improvement of the utility model, the elastic piece 5 is abutted against the assembling space 2.1 of the elastic piece 3, and when the elastic piece 3 moves along the first direction L1, the elastic piece 5 is preloaded and has a preload force towards the second direction L2 on the elastic piece 3. The elastic piece 5 arranged in the assembly space 2.1 is propped between the elastic piece 3 and the assembly space 2.1, and when the driving piece 4 drives the elastic piece 3 to move along the first direction L1, the elastic piece 5 can be pre-tightened to play a role in buffering, so that the movement of the elastic piece 3 is more stable;
When the driving piece 4 drives the elastic block 3 to move along the second direction L2, the pretightening force of the elastic piece 5 and the drag hook jointly assist the elastic block 3 to move, the demolding process of the second cavity 3.1 and the object 7 is stable, the back-off or the deformation of the product is avoided, and the yield of the object 7 is further improved.
As an improvement of the utility model, the guide blocks 2.11 are of a T-shaped structure, and the number of the guide blocks 2.11 is two, and the two guide blocks 2.11 are independently matched with the matching grooves 3.2 at the two ends of the elastic block 3. The matching groove 3.2 and the guide block 2.11 are matched into the same T-shaped structure, so that the structure is simple, the matching is stable and reliable, and the movement of the spring block 3 is stable.
As an improvement of the utility model, the large inclined roof 2 is connected with a driving mechanism 6, the driving mechanism 6 comprises an auxiliary rod 6.1 and a sliding seat 6.2 which is sleeved on the auxiliary rod 6.1 and can move along a third direction L3, the sliding seat 6.2 is connected with a universal block 6.3 which can slide along a fourth direction L4 in a sliding way through a sliding groove, the universal block 6.3 is hinged with the lower end of the inclined roof rod 6.4, and the upper end of the inclined roof rod 6.4 is connected with the large inclined roof 2.
As an improvement of the utility model, the number of the driving mechanisms 6 is two, wherein the inclined ejector rod 6.4 of one driving mechanism 6 is used for connecting the front end of the large inclined ejector 2, and the inclined ejector rod 6.4 of the other driving mechanism 6 is used for connecting the tail end of the large inclined ejector 2. After the improvement, the two driving mechanisms 6 drive the front end and the tail end of the large inclined roof 2 to rise simultaneously, and the plurality of driving points enable the large inclined roof 2 to move more stably, so that the yield of the formed objects 7 after demoulding is further improved. Due to the characteristics of the product object 7, the large inclined roof 2 needs to move downwards at a large angle during demoulding, so that the inclined roof 6.4 is prevented from being broken due to large stress, and a structure which is in crossed arrangement with the auxiliary rod 6.1 is adopted.
As an improvement of the utility model, the assembly space 2.1 is provided with a limiting block 2.12, and the spring block 3 moves along the second direction L2 and has a position propped against the limiting block 2.12. After the improvement, the movement of the elastic block 3 along the second direction L2 is provided with a limit position through the limiting block 2.12, the elastic piece 5 in the turntable space is propped between the lower part of the elastic block 3 and the assembly space 2.1, the movement of the elastic block 3 along the first direction L1 is provided with a limit position, the movement of the elastic block 3 is in a reasonable range, and the running stability of the device is improved.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (6)
1. The utility model provides a mould structure of built-in bullet piece of large-scale mould oblique ejection which characterized in that includes: the die comprises a die holder (1), wherein a main die cavity is arranged on the die holder (1), a plurality of movable die cores are arranged on the periphery of the die holder (1), the plurality of movable die cores comprise a large inclined top (2) and a spring block (3), the large inclined top (2) is provided with an assembly space (2.1), and the spring block (3) is arranged in the assembly space (2.1);
The large inclined roof (2) is provided with a first cavity, and the first cavity can be combined with the main cavity and then matched with the molding processing of the object (7);
The elastic block (3) is provided with a second cavity (3.1) for forming and processing the back-off on the object (7);
The bullet piece (3) is connected with driving piece (4), in first direction L1 gets into assembly space (2.1) or follow second direction L2 and shift out in assembly space (2.1) driving piece (4), be provided with guide block (2.11) in assembly space (2.1), bullet piece (3) are provided with fit groove (3.2) that supply guide block (2.11) to stretch into, and guide block (2.11) and fit groove (3.2) cooperate and guide the removal of guide block (2.11).
2. The die structure of the large die oblique ejection built-in spring block according to claim 1, wherein: elastic pieces (5) are abutted to the elastic pieces (3) and the assembly space (2.1), and when the elastic pieces (3) move along the first direction L1, the elastic pieces (5) are preloaded and have a pretightening force towards the second direction L2 on the elastic pieces (3).
3. The die structure of the large die oblique ejection built-in spring block according to claim 1, wherein: the guide blocks (2.11) are of a T-shaped structure, the number of the guide blocks (2.11) is two, and the two guide blocks (2.11) are independently matched with the matching grooves (3.2) at the two ends of the elastic block (3).
4. The die structure of the large die oblique ejection built-in spring block according to claim 1, wherein: the large inclined roof (2) is connected with a driving mechanism (6), the driving mechanism (6) comprises an auxiliary rod (6.1) and a sliding seat (6.2) which is sleeved on the auxiliary rod (6.1) and can move along a third direction L3, the sliding seat (6.2) is slidably connected with a universal block (6.3) which can slide along a fourth direction L4 through a sliding groove, the universal block (6.3) is hinged to the lower end of the inclined roof rod (6.4), and the upper end of the inclined roof rod (6.4) is connected with the large inclined roof (2).
5. The die structure of the large die oblique ejection built-in spring block according to claim 4, wherein: the number of the driving mechanisms (6) is two, wherein the inclined ejector rods (6.4) of one driving mechanism (6) are used for connecting the front end of the large inclined ejector (2), and the inclined ejector rods (6.4) of the other driving mechanism (6) are used for connecting the tail end of the large inclined ejector (2).
6. The die structure of the large die oblique ejection built-in spring block according to claim 1, wherein: the assembly space (2.1) is provided with a limiting block (2.12), and the elastic block (3) moves along the second direction L2 and has a position propped against the limiting block (2.12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323025677.4U CN220973193U (en) | 2023-11-09 | 2023-11-09 | Mould structure of built-in bullet piece of large-scale mould oblique ejection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323025677.4U CN220973193U (en) | 2023-11-09 | 2023-11-09 | Mould structure of built-in bullet piece of large-scale mould oblique ejection |
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| Publication Number | Publication Date |
|---|---|
| CN220973193U true CN220973193U (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323025677.4U Active CN220973193U (en) | 2023-11-09 | 2023-11-09 | Mould structure of built-in bullet piece of large-scale mould oblique ejection |
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| Country | Link |
|---|---|
| CN (1) | CN220973193U (en) |
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2023
- 2023-11-09 CN CN202323025677.4U patent/CN220973193U/en active Active
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