CN212094281U - Sliding block core-pulling mechanism in die-casting die - Google Patents
Sliding block core-pulling mechanism in die-casting die Download PDFInfo
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- CN212094281U CN212094281U CN202020737199.7U CN202020737199U CN212094281U CN 212094281 U CN212094281 U CN 212094281U CN 202020737199 U CN202020737199 U CN 202020737199U CN 212094281 U CN212094281 U CN 212094281U
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Abstract
The utility model discloses a slide block core-pulling mechanism in die-casting die, a slide block seat is arranged in a sliding through groove of a movable die, a core-pulling oil cylinder is fixed at an outer side port of the sliding through groove through a seat body, a T-shaped shaft at the end part of a piston rod of the core-pulling oil cylinder is correspondingly embedded in a T-shaped groove of the slide block seat, and a gap is reserved between the T-shaped shaft and the T-shaped groove; an inclined guide post is obliquely inserted into an inclined hole of the sliding block seat, and the top end of a pressing block of the inclined guide post is fixedly connected with the fixed die; the ejector plate is arranged in the groove in the front side face of the sliding block seat, ejector rods are respectively fixed to the front side face and the rear side face of the ejector plate, a fixing plate is fixed to the front side face of the sliding block seat, a gap exists between the front side face of the ejector plate and the rear side face of the fixing plate, a cylindrical core-pulling forming sliding block is fixed to the front side face of the fixing plate, the end portion of the ejector rod in the rear side face penetrates through the sliding block seat and is abutted to the vertical face of the pressing block, and the end portion of the ejector rod in the. The product can be smoothly demoulded, the deformation is reduced, and the qualification rate of the product is increased.
Description
Technical Field
The utility model belongs to the technical field of the mechanism of loosing core among the forming die technique and specifically relates to a slider mechanism of loosing core among die casting die.
Background
With the development of production, die-casting products are more and more diversified, and the product structure is more and more complex; in the production, the contact surface of a deep cavity moving die formed by a slide block is few, and the slide block pulls a product to cause difficult demoulding or the product is pulled to deform due to the action of a die drawing force in the process of die opening and slide block returning of the deep cavity formed by the slide block; the method is characterized in that the method comprises the steps of increasing the draft angle of a slide block forming part and using a large amount of coating, but some products in actual production are not allowed to have too large draft angle, and the defects of air holes, under-casting, surface patterns and the like of a casting are easily caused by using the coating in a large amount; therefore, a slider core-pulling mechanism capable of solving the above-mentioned drawbacks is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the not enough and slider mechanism of loosing core among the die casting die that designs of above-mentioned technique.
The utility model relates to a slider mechanism of loosing core in die casting die, including slider seat, fixed plate, the shaping slider of loosing core and the hydro-cylinder of loosing core, the slider seat is arranged in the logical groove of sliding of movable mould top surface in the die casting die, and the outside port department of the logical groove of sliding is fixed with the pedestal, the outside end of pedestal is fixed with the terminal surface that has the piston rod on the hydro-cylinder of loosing core and is linked to each other, the tail end of slider seat has T type groove, the tailpiece of the piston rod portion of the hydro-cylinder of loosing core is fixed with T type axle, T type axle corresponds embedding T type inslot, and there is the space between the transverse part terminal surface of T type axle and; an inclined hole is formed in the tail of the sliding block seat, an inclined guide pillar is obliquely inserted into the inclined hole, a pressing block is arranged at the top end of the inclined guide pillar, and the top end of the pressing block is fixedly connected with the bottom surface of a fixed die in the die-casting die; the slider seat leading flank is provided with the recess, is provided with the thimble board in the recess, and the leading flank and the trailing flank of thimble board are fixed with the ejector pin respectively, and the leading flank of slider seat is fixed with the fixed plate, and has the clearance between the leading flank of thimble board and the trailing flank of fixed plate, and the leading flank of fixed plate is fixed with cylinder type shaping slider of loosing core, and trailing flank ejector pin tip runs through the slider seat and contradicts on the perpendicular of compact heap below, and leading flank ejector pin tip runs through fixed plate and cylinder type shaping slider of loosing core in proper order.
Preferably, the side surface of the ejector plate is provided with a positioning lug, and the rear side surface of the fixing plate is provided with a groove corresponding to the positioning lug.
Preferably, the rear side of the slider seat is provided with a plurality of positioning grooves, the rear side of the fixing plate is provided with positioning blocks corresponding to the positioning grooves, the positioning blocks are correspondingly embedded into the positioning grooves, and the fixing plate and the rear side of the slider seat are fixed through bolts.
Preferably, the front inclined surface of the pressing block is fitted with the rear inclined surface of the longitudinal portion of the slider holder.
Preferably, the rear side surface of the fixing plate is provided with a recess larger than the size of the ejector pin plate, and a gap is formed between the recess and the front side surface of the ejector pin plate.
Preferably, the hydraulic cylinder further comprises a stroke control rod, a stroke control plate is fixed on the cylinder, a stroke switch is fixed on the top surface of the stroke control plate, and guide blocks are fixed at two ends of the top surface of the stroke control plate; a convex ring for triggering the travel switch is arranged on the travel control rod positioned between the two guide blocks in the guide hole of the travel control rod positioning and guide block; one end of the stroke control rod is fixedly connected with the end part of the piston rod of the oil cylinder through a connecting plate.
The utility model discloses a slider mechanism of loosing core among die casting die, its structure can be ejecting in order to withstand the product with the thimble in the slider when the drawing of patterns to the slider can continue the displacement and separate with the inner chamber lateral wall of product, does not pull away by the slider when realizing the slider drawing of patterns, perhaps draws deformation, makes the product drawing of patterns smoothly, reduces the qualification rate that warp and increase the product, further reaches the product that the lateral part has dark chamber and carries out the comparatively convenient technological effect of drawing of patterns after the shaping.
Drawings
FIG. 1 is a schematic view (one) of the overall structure of the embodiment;
FIG. 2 is the overall structure diagram of the embodiment (II);
FIG. 3 is the overall structure diagram of the embodiment (III);
fig. 4 is an overall structural schematic diagram (iv) of the embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
Example (b):
as shown in fig. 1 to 4, the slide block core pulling mechanism in the die casting mold described in this embodiment includes a slide block seat 1, a fixed plate 3, a core pulling molding slide block 4, and a core pulling oil cylinder 7, where the slide block seat 1 is disposed in a sliding through groove 201 on a top surface of a movable mold 200 in the die casting mold, a seat body 6 is fixed at an outer end port of the sliding through groove 201, an outer end of the seat body 6 is fixedly connected with an end surface of the core pulling oil cylinder 7, which is provided with a piston rod, a T-shaped groove 12 is disposed at a tail end of the slide block seat 1, a T-shaped shaft 71 is fixed at an end of the piston rod of the core pulling oil cylinder 7, the T-shaped shaft 71 is correspondingly embedded in the T-shaped groove 12, and a gap 13 is formed between an end; an inclined hole 11 is formed in the tail of the sliding block seat 1, an inclined guide post 2 is obliquely inserted into the inclined hole 11, a pressing block 21 is arranged at the top end of the inclined guide post 2, and the top end of the pressing block 21 is fixedly connected with the bottom surface of a fixed die 100 in a die-casting die; the front side of the slider seat 1 is provided with a groove 14, an ejector plate 9 is arranged in the groove 14, a front side and a rear side of the ejector plate 9 are respectively fixed with an ejector rod 5, the front side of the slider seat 1 is fixed with a fixing plate 3, a gap is reserved between the front side of the ejector plate 9 and the rear side of the fixing plate 3, the front side of the fixing plate 3 is fixed with a cylinder type core-pulling forming slider 4, the end of the rear side ejector rod 5 penetrates through the slider seat 1 and is abutted to a vertical surface 22 below a pressing block 21, and the end of the front side ejector rod 5 sequentially penetrates through the fixing plate 3 and the cylinder type core-pulling.
Further, the rear side surface of the fixed plate 3 is provided with a recess 31 larger in size than the ejector plate 9, and a gap between the front side surface of the ejector plate and the rear side surface of the fixed plate is formed by the recess 31 and the front side surface of the ejector plate 9.
When the mold is opened, the movable mold is slowly separated from the fixed mold, the inclined guide post drives the slide block seat slide block to move towards the rear side while the inclined guide post moves upwards, the rear side thimble abuts against the vertical surface in the process of moving upwards, so that the front side thimble, the thimble plate and the rear side thimble are all kept immovable, the slide block moves backwards under the action of the upward movement of the inclined hole and the inclined guide post, and the rear side thimble keeps immovable in position to push against the product, so that the product is not pulled away by the cylindrical core pulling forming slide block, the deformation of the product is reduced (at the moment, the cylindrical core pulling forming slide block is slowly separated from the product, the clamping force between the slide block and the product is reduced), then the movable mold continues to move, when the rear side thimble is positioned at the bottommost position of the vertical surface, the movement is stopped, at the moment, the piston rod of the oil cylinder retracts to pull the slide block seat to move backwards, so that the slide block, the, the cylindrical core-pulling forming slide block is separated from a product, so that the demolding operation of the cylindrical core-pulling forming slide block is completed.
In this embodiment, the side surface of the ejector plate 9 is provided with a positioning bump 91, and the rear side surface of the fixing plate 3 is provided with a groove 33 corresponding to the positioning bump 91. The structure of the ejector pin plate enables the ejector pin plate to move back and forth more stably and reliably.
In this embodiment, the trailing flank of slider seat 1 is provided with polylith constant head tank 15, and the trailing flank of fixed plate 3 is provided with the locating piece 32 that corresponds with the constant head tank position, and the locating piece corresponds imbeds in the constant head tank, fixes through the bolt between the trailing flank of fixed plate and slider seat, and its structure makes the fixed plate more firm reliable after fixing with the trailing flank of slider.
In this embodiment, the front side inclined plane of compact heap 21 and the laminating of the longitudinal portion rear side inclined plane of slider seat 1, its structure makes the rear side displacement of slider seat more stable.
In this embodiment, the core pulling oil cylinder 7 further comprises a stroke control rod 83, a stroke control plate 8 is fixed on the core pulling oil cylinder 7, a stroke switch 81 is fixed on the top surface of the stroke control plate, and guide blocks 82 are fixed at two ends of the top surface of the stroke control plate 8; in the guide hole of the stroke control rod positioning and guide block, a convex ring 84 for triggering the stroke switch is arranged on the stroke control rod positioned between the two guide blocks; one end of the stroke control rod is fixedly connected with the end part of a piston rod of the oil cylinder through a connecting plate, the piston rod of the oil cylinder retracts to drive the stroke control rod to move towards the rear side, and the convex ring can touch the stroke switch, so that the stroke switch sends a switch signal.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (6)
1. A sliding block core pulling mechanism in a die-casting die is characterized by comprising a sliding block seat, a fixed plate, a core pulling forming sliding block and a core pulling oil cylinder, wherein the sliding block seat is arranged in a sliding through groove in the top surface of a movable die in the die-casting die, a seat body is fixed at the outer side port of the sliding through groove, the outer side end of the seat body is fixedly connected with the end surface, provided with a piston rod, of the core pulling oil cylinder, a T-shaped groove is formed in the tail end of the sliding block seat, a T-shaped shaft is fixed at the end part of the piston rod of the core pulling oil cylinder, the T-shaped shaft is correspondingly embedded into the T-shaped groove, and a gap;
an inclined hole is formed in the tail of the sliding block seat, an inclined guide pillar is obliquely inserted into the inclined hole, a pressing block is arranged at the top end of the inclined guide pillar, and the top end of the pressing block is fixedly connected with the bottom surface of a fixed die in the die-casting die;
the slider seat leading flank is provided with the recess, is provided with the thimble board in the recess, and the leading flank and the trailing flank of thimble board are fixed with the ejector pin respectively, and the leading flank of slider seat is fixed with the fixed plate, and has the clearance between the leading flank of thimble board and the trailing flank of fixed plate, and the leading flank of fixed plate is fixed with cylinder type shaping slider of loosing core, and trailing flank ejector pin tip runs through the slider seat and contradicts on the perpendicular of compact heap below, and leading flank ejector pin tip runs through fixed plate and cylinder type shaping slider of loosing core in proper order.
2. The sliding block core pulling mechanism in the die-casting die as claimed in claim 1, wherein the side surface of the ejector plate is provided with a positioning projection, and the rear side surface of the fixing plate is provided with a groove corresponding to the positioning projection.
3. The sliding block core pulling mechanism in the die-casting die as claimed in claim 1, wherein the rear side of the sliding block seat is provided with a plurality of positioning grooves, the rear side of the fixed plate is provided with positioning blocks corresponding to the positioning grooves, the positioning blocks are correspondingly embedded into the positioning grooves, and the fixed plate and the rear side of the sliding block seat are fixed through bolts.
4. The slide core-pulling mechanism in a die-casting mold as claimed in claim 1, wherein the front side inclined surface of the pressing block is fitted with the rear side inclined surface of the longitudinal portion of the slide seat.
5. The slide block core pulling mechanism in a die casting mold as claimed in claim 1, wherein the rear side of the fixing plate is provided with a depression larger than the size of the ejector pin plate, and a gap is formed between the depression and the front side of the ejector pin plate.
6. The sliding block core pulling mechanism in the die-casting die as claimed in claim 1, further comprising a stroke control rod, wherein a stroke control plate is fixed on the oil cylinder, a stroke switch is fixed on the top surface of the stroke control plate, and guide blocks are fixed at two ends of the top surface of the stroke control plate; a convex ring for triggering the travel switch is arranged on the travel control rod positioned between the two guide blocks in the guide hole of the travel control rod positioning and guide block; one end of the stroke control rod is fixedly connected with the end part of the piston rod of the oil cylinder through a connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020737199.7U CN212094281U (en) | 2020-05-07 | 2020-05-07 | Sliding block core-pulling mechanism in die-casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020737199.7U CN212094281U (en) | 2020-05-07 | 2020-05-07 | Sliding block core-pulling mechanism in die-casting die |
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| CN212094281U true CN212094281U (en) | 2020-12-08 |
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| CN202020737199.7U Active CN212094281U (en) | 2020-05-07 | 2020-05-07 | Sliding block core-pulling mechanism in die-casting die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113145826A (en) * | 2021-05-06 | 2021-07-23 | 宁波臻至机械制造有限公司 | Core-pulling system and core-pulling method of die-casting die |
-
2020
- 2020-05-07 CN CN202020737199.7U patent/CN212094281U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113145826A (en) * | 2021-05-06 | 2021-07-23 | 宁波臻至机械制造有限公司 | Core-pulling system and core-pulling method of die-casting die |
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