CN212884936U - Core pulling device and die-casting die - Google Patents

Abstract

The utility model discloses a core-pulling device and a die-casting die, which comprises a main sliding block, a driving piece is connected with the main sliding block, and a limiting through groove is arranged on the main sliding block; the main mold core is arranged on the main sliding block; the auxiliary core is arranged in a crossed manner with the main core, penetrates through the main sliding block and the main core, and extends out of the main core from the tail end of the auxiliary core, and the extending length of the auxiliary core is smaller than that of the limiting through groove; the auxiliary sliding block is connected with the auxiliary core and is arranged on the main sliding block in a sliding mode; and the guide rod penetrates through the auxiliary sliding block, and the lower part of the guide rod is slidably arranged in the limiting through groove in a penetrating manner. This scheme is through the pulling guide arm, and the vice slider of drive moves on main slider, and vice core is taken out and is accomodate in main slider and main mould core, and driving piece pulling main slider, vice core and main mould core remove simultaneously, and main mould core is taken out to two through-holes simultaneous forming that realize extending direction and interfere are loosed core, reduce machining process, improve production efficiency, reduce the machine of foundry goods and add the surplus, and processing is accurate, improves the foundry goods quality.

Description

Core pulling device and die-casting die

Technical Field

The utility model relates to a mould production accessory technical field, in particular to device and die casting die loose core.

Background

The die casting process refers to a manufacturing process in which a molten metal solution is rapidly injected into a mold by a high pressure means and is cooled and solidified to be formed, and is widely used in a casting technique.

The die cavity of the die used in die casting is generally designed according to the structural characteristics of a required formed casting, for the casting product with a relatively special structure, the condition that forming holes at different positions in the casting product are crossed in the extending direction often occurs, when the die is opened and the core is pulled, because the moving direction of the sliding block core generates interference, the core can be pulled only by adopting a group of sliding blocks, one through hole is made, the other through hole can only be formed by die casting, and machining is performed, but the through hole obtained by the post-machining has the defects of air holes, shrinkage holes and the like due to too much machining allowance, the production process is complicated, and the casting quality is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide a device of loosing core, can realize that two through-holes simultaneous shaping that the extending direction interferes are loosed core, reduce machining process, improve the foundry goods quality.

The utility model also provides a die casting die of having above-mentioned device of loosing core.

According to the utility model discloses a device of loosing core of first aspect embodiment, include: the main sliding block is connected with a driving piece, and a limiting through groove is formed in the main sliding block; the main core is arranged on the main sliding block; the auxiliary core is arranged in a crossed manner with the main core, the auxiliary core penetrates through the main sliding block and the main core, the tail end of the auxiliary core extends out of the main core, and the extending length of the auxiliary core is smaller than the length of the limiting through groove; the auxiliary sliding block is connected with the auxiliary core and is arranged on the main sliding block in a sliding mode; and the guide rod penetrates through the auxiliary sliding block, and the lower part of the guide rod is slidably arranged in the limiting through groove in a penetrating manner.

According to the utility model discloses device of loosing core has following technological effect at least: run through main slider and main core through vice core, the pulling guide arm, the guide arm removes in spacing logical inslot, the vice slider of drive removes on main slider, thereby vice core is taken out and is accomodate in main slider and main core, through driving piece pulling main slider, vice core and main core remove along with main slider removal and simultaneously, main core is taken out, thereby realize that two through-hole simultaneous molding that the extending direction interferes are loosed core, reduce machining process, and the production efficiency is improved, the machine that reduces the foundry goods adds the surplus, the processing is accurate, and the casting quality is improved.

According to some embodiments of the utility model, main slider includes first step and second step, spacing logical groove setting is in on the first step, the second step is provided with the cavity, vice slider embedding in the cavity. Through setting up first step and second step, realize vice slider and spacing logical groove layering setting, the pulling guide arm, vice slider can move on spacing logical groove, and spacing logical groove restriction guide arm moving range to avoid vice slider to deviate from, guarantee reliable operation, and vice slider is accomodate in the cavity, reduces the whole volume of main slider, material saving cost.

According to some embodiments of the utility model, the cavity both sides are provided with the guide slot, vice slider both sides are provided with the conducting bar, the conducting bar with guide slot sliding connection. Through the cooperation of the guide groove and the guide strip, the auxiliary sliding block can move in the cavity in an oriented mode, so that the auxiliary core moves in an oriented mode, and the reliability of oriented core pulling is guaranteed.

According to some embodiments of the utility model, the driving piece sets up to the cylinder, first step is provided with installation slot, the piston end of cylinder is provided with the installation boss, the installation boss with installation slot joint. Through installation boss and installation draw-in groove joint, the cylinder can be dismantled with main slider and be connected, during the use, can change the device of loosing core of different cross angles according to actual need, simple structure, the dismouting is convenient.

According to some embodiments of the utility model, be provided with the mounting hole on the vice slider, the guide arm inserts in the mounting hole, the terminal circumference of guide arm is provided with the direction inclined plane. When the guide rod is inserted into the mounting hole, the guide inclined plane plays a role in guiding, and the guide rod can be easily inserted.

According to some embodiments of the utility model, the guide arm top is provided with spacing arch, spacing bellied diameter is greater than the diameter of guide arm. After the guide rod is loosened, the guide rod moves downwards under the action of gravity, the limiting protrusion is clamped at the top end of the auxiliary sliding block, the guide rod is prevented from being separated from the auxiliary sliding block and even falling on the ground to be damaged, the guide rod is protected, and the service life of the guide rod is prolonged.

According to some embodiments of the utility model, be provided with on the main slider and connect the concave station, be provided with the connection lug on the main core, connect the lug with connect the concave station adaptation, and insert the dress and be in connect in the concave station. The connecting convex block is inserted into the connecting concave table, and the main core is positioned and installed on the main sliding block, so that the installation is convenient, fast and accurate.

According to the utility model discloses a some embodiments, vice core end-to-end cover is equipped with the connecting piece, the connecting piece inlays to be established in the vice slider, the connecting piece both sides are provided with the concave surface, run through in the vice slider and be provided with fastening bolt, the fastening bolt outer wall with concave surface in close contact with. The outer wall of the fastening bolt is in close contact with the concave surface of the connecting piece, the mounting position of the connecting piece is limited from two sides, and the connecting piece is guaranteed to be reliably and fixedly mounted in the auxiliary sliding block.

According to the utility model discloses a some embodiments, vice core end is provided with the stopper, be provided with spacing concave station on the connecting piece, the stopper inlays to be established in the spacing concave station. The limiting block is embedded in the limiting concave table, the auxiliary core is axially positioned, the axial movement of the auxiliary core relative to the connecting piece is avoided, and the reliable connection of the auxiliary core and the connecting piece is ensured.

According to the utility model discloses a die casting die of second aspect embodiment, include the utility model discloses the device of loosing core of above-mentioned first aspect embodiment.

According to the utility model discloses die casting die has following beneficial effect at least: through adopting foretell device of loosing core, can realize that two through-holes that extending direction is interfered are the shaping simultaneously and are loosed core, improve production efficiency, improve foundry goods quality.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a core pulling device according to an embodiment of the present invention;

FIG. 2 is an exploded view of the core pulling device shown in FIG. 1;

FIG. 3 is an assembled sectional view of the core pulling device shown in FIG. 1;

FIG. 4 is an assembled cross-sectional view of the main core and main slide shown in FIG. 1;

fig. 5 is an assembled sectional view of the sub core and the sub slider shown in fig. 1.

Reference numerals:

the main slider 100, the first step 110, the limiting through groove 111, the second step 120, the cavity 121, the guide groove 122, the mounting slot 130, the connecting slot 140, the fastening bolt 150,

A main core 200, a connection projection 210,

A sub-slider 300, a guide bar 310, a mounting hole 320,

The secondary core 400, a limit block 410, a connecting piece 420, a concave surface 421, a limit concave platform 422,

A guide rod 500, a limit bulge 510, a guide inclined plane 520,

A driving member 600 and a mounting boss 610.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

A core pulling device according to an embodiment of the present invention is described below with reference to fig. 1 to 5.

As shown in fig. 1 to 3, according to the utility model discloses device of loosing core, including main slider 100, main slider 100 is connected with driving piece 600, be provided with spacing logical groove 111 on the main slider 100, be provided with main core 200 on the main slider 100, main core 200 is alternately provided with secondary core 400, secondary core 400 runs through main slider 100 and main core 200, and the end stretches out main core 200, it is less than the length of spacing logical groove 111 to stretch out length, secondary core 400 is connected with secondary slider 300, secondary slider 300 slides and sets up on main slider 100, run through in the secondary slider 300 and be provided with guide arm 500, the lower part of guide arm 500 slides and wears to establish in spacing logical groove 111.

It can be understood that, the guide rod 500 is pulled, the guide rod 500 moves in the limiting through groove 111, the limiting through groove 111 limits the horizontal movement distance of the guide rod 500, the guide rod 500 drives the auxiliary sliding block 300 to move on the main sliding block 100, so that the auxiliary core 400 is drawn out, when the guide rod 500 moves to a limiting position, the auxiliary core 400 is recovered into the main sliding block 100 and the main core 200, then the main sliding block 100 is pulled by the driving part 600, the guide rod 500, the auxiliary sliding block 300, the auxiliary core 400 and the main core 200 move simultaneously along with the main sliding block 100, the main core 200 is drawn out, so that two through holes interfering in the extending direction are formed and pulled out simultaneously, machining processes are reduced, the production efficiency is improved, the machining allowance of the casting is reduced, the machining is accurate.

The main slider 100 comprises a first step 110 and a second step 120, the limiting through groove 111 is arranged on the first step 110, the second step 120 is provided with a cavity 121, and the auxiliary slider 300 is embedded into the cavity 121. Further, guide grooves 122 are formed in two sides of the cavity 121, guide bars 310 are formed in two sides of the sub-slider 300, and the guide bars 310 are slidably connected with the guide grooves 122.

Specifically, the cavity 121 is disposed above the limiting through groove 111, the guide strip 310 is slidably disposed in the guide groove 122 to define the core pulling direction, and the sub slider 300 moves above the limiting through groove 111 along the core pulling direction.

It can be understood that, the main slider 100 adopts a stepped layered design, the layered arrangement of the auxiliary slider 300 and the limiting through groove 111 is realized, when the auxiliary core 400 is drawn out, the guide rod 500 is pulled, the guide rod 500 moves in the limiting through groove 111, the auxiliary slider 300 moves on the limiting through groove 111 and in the cavity 121, the guide groove 122 is matched with the guide strip 310, the auxiliary slider 300 moves directionally, so that the auxiliary core 400 moves directionally, and the directional core pulling reliability is ensured, when the guide rod 500 moves to the extreme position, the limiting through groove 111 limits the guide rod 500 to move continuously, so that the moving stroke of the auxiliary slider 300 is limited, the auxiliary slider 300 is prevented from being separated from the slider, the reliable work is ensured, when in use, the tail end of the auxiliary core 400 extends out of the main core 200, the auxiliary slider 300 is accommodated in the cavity 121, the overall size.

As shown in fig. 1 and 2, in some embodiments of the present invention, the driving member 600 is configured as an air cylinder, the first step 110 is provided with the mounting slot 130, the piston end of the air cylinder is provided with a mounting boss 610, and the mounting boss 610 is connected to the mounting slot 130. Specifically, installation slot 130 open-top, installation boss 610 can follow the opening part at installation slot 130 top and slide into in installation slot 130 to fall into to installation slot 130 bottom, installation boss 610 and installation slot 130 joint, when changing main slider 100, can easily roll-off installation boss 610, the cylinder can be dismantled with main slider 100 and be connected, during the use, can change the device of loosing core of different cross angles according to actual need, simple structure, the dismouting is convenient.

As shown in fig. 1 to 3, in some embodiments of the present invention, the top end of the guide rod 500 is provided with a limiting protrusion 510, and the diameter of the limiting protrusion 510 is larger than that of the guide rod 500. Further, the sub slider 300 is provided with a mounting hole 320, the guide rod 500 is inserted into the mounting hole 320, and the end of the guide rod 500 is circumferentially provided with a guide slope 520. When the guide rod 500 is inserted into the mounting hole 320, the guide slope 520 plays a role in guiding, which is beneficial to the easy insertion of the guide rod 500, after the secondary core 400 is pulled out, the guide rod 500 can be pulled out upwards, so that the guide rod 500 is separated from the secondary slider 300, the guide rail can be loosened, the guide rod 500 moves downwards, the limiting protrusion 510 is clamped at the top end of the secondary slider 300, the guide rod 500 is prevented from being pulled out of the secondary slider 300, and even drops on the ground and is damaged, the guide rod 500 is protected, and the service life of the guide rod 500.

As shown in fig. 4, in some embodiments of the present invention, the main sliding block 100 is provided with a connection recess 140, the main core 200 is provided with a connection protrusion 210, and the connection protrusion 210 is adapted to the connection recess 140 and inserted into the connection recess 140.

Specifically, the connecting protrusion 210 is inserted into the connecting recess 140, and four screws penetrate through the main slider 100 and are fastened to the connecting protrusion 210, so that the main core 200 is fastened, positioned and mounted on the main slider 100.

As shown in fig. 3 and 5, in some embodiments of the present invention, a connecting member 420 is sleeved on one end of the secondary mold core 400, the connecting member 420 is embedded in the secondary slide 300, concave surfaces 421 are disposed on two sides of the connecting member 420, a fastening bolt 150 is disposed through the secondary slide 300, and an outer wall of the fastening bolt 150 is in close contact with the concave surfaces 421. Further, the end of the secondary core 400 is provided with a limiting block 410, the connecting piece 420 is provided with a limiting concave table 422, and the limiting block 410 is embedded in the limiting concave table 422.

Specifically, the bottom of the connecting piece 420 is provided with a straight plane, a plane in contact with the straight plane is arranged in the auxiliary sliding block 300, the connecting piece 420 is embedded in the auxiliary sliding block 300, the circumferential positioning connecting piece 420 is convenient to mount and position through two plane contacts, the connecting piece 420 is prevented from rotating, and therefore the circumferential positioning auxiliary core 400 is ensured to work reliably.

It can be understood that the limiting block 410 of the secondary core 400 is embedded in the limiting concave table 422 of the connecting member 420, the secondary core 400 is axially positioned, the secondary core 400 is prevented from axially moving relative to the connecting member 420, the connection reliability of the secondary core 400 and the connecting member 420 is ensured, the connecting member 420 with the mounted secondary core 400 is embedded and mounted in the secondary slider 300, the fastening bolt 150 is inserted, the outer wall of the fastening bolt 150 is in close contact with the concave surface 421 of the connecting member 420, the mounting position of the connecting member 420 is limited by the fastening bolt 150 from two sides, and the connecting member 420 is clamped, so that the connecting member 420 is ensured to be reliably and fixedly mounted in the secondary slider.

According to the utility model discloses die casting die of second aspect embodiment, include according to the utility model discloses the device of loosing core of above-mentioned first aspect embodiment.

According to the utility model discloses die casting die, through adopting foretell device of loosing core, can realize that two through-holes simultaneous shaping that extending direction interferes are loosed core, improve production efficiency, improve foundry goods quality.

The following describes in detail a core pulling device according to an embodiment of the present invention with a specific embodiment with reference to fig. 1 to 5. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.

According to the utility model discloses device of loosing core, including main slider 100 and vice slider 300, main slider 100 includes first step 110 and second step 120, be provided with cavity 121 on the first step 110, vice slider 300 slides and sets up in cavity 121, vice slider 300 both sides are provided with conducting bar 310, cavity 121 both sides are provided with guide slot 122, conducting bar 310 slides and sets up in guide slot 122, be provided with spacing logical groove 111 on the second step 120, spacing logical groove 111 sets up in cavity 121 below, second step 120 is connected with driving piece 600, driving piece 600 sets up to the cylinder, the piston end of cylinder is provided with installation boss 610, second step 120 one side is provided with installation card slot 130, installation boss 610 and installation card slot 130 joint.

The main slider 100 is connected with a main core 200, one side of the main slider 100 is provided with a connecting concave platform 140, the main core 200 is provided with a connecting convex block 210, the connecting convex block 210 is inserted into the connecting concave platform 140, and a screw penetrates through the main slider 100 and is tightly connected with the connecting convex block 210.

The auxiliary sliding block 300 is connected with an auxiliary core 400, the auxiliary core 400 and the main core 200 are arranged in a crossed mode, the auxiliary core 400 sequentially penetrates through the main sliding block 100 and the main core 200, the tail end of the auxiliary core 400 extends out of the main core 200, the length of the extending portion is smaller than that of the limiting through groove 111, a guide rod 500 penetrates through the auxiliary core 400, the lower portion of the guide rod 500 penetrates through the limiting through groove 111, a limiting protrusion 510 is arranged at the top end of the guide rod 500, a guide inclined plane 520 is arranged on the tail end in the circumferential direction, and the diameter of the limiting protrusion 510 is.

One pot head of secondary core 400 is equipped with connecting piece 420, and connecting piece 420 inlays to be established in vice slider 300, and connecting piece 420 both sides are provided with concave surface 421, runs through to be provided with fastening bolt 150 in the vice slider 300, and fastening bolt 150 outer wall and concave surface 421 in close contact with, and secondary core 400 end is provided with stopper 410, is provided with spacing concave station 422 on the connecting piece 420, and stopper 410 inlays to be established in spacing concave station 422.

According to the utility model discloses device of loosing core, through so setting up, some effects as follows at least can be reached, through pulling guide arm 500, the vice slider 300 of drive moves on main slider 100, thereby vice core 400 is taken out and is accomodate in main slider 100 and main core 200, through driving piece 600 pulling main slider 100, vice core 400 and main core 200 are whole to be removed along with main slider 100 and move simultaneously, realize main core 200 and take out, thereby realize that two through-hole simultaneous molding that the extending direction interferes are loosed core, reduce the machining process, improve production efficiency, reduce the machine of foundry goods and add the surplus, the processing is accurate, the quality of castings is improved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. A core pulling device, comprising:

the main sliding block is connected with a driving piece, and a limiting through groove is formed in the main sliding block;

the main core is arranged on the main sliding block;

the auxiliary core is arranged in a crossed manner with the main core, the auxiliary core penetrates through the main sliding block and the main core, the tail end of the auxiliary core extends out of the main core, and the extending length of the auxiliary core is smaller than the length of the limiting through groove;

the auxiliary sliding block is connected with the auxiliary core and is arranged on the main sliding block in a sliding mode;

and the guide rod penetrates through the auxiliary sliding block, and the lower part of the guide rod is slidably arranged in the limiting through groove in a penetrating manner.

2. The core pulling device according to claim 1, characterized in that: the main sliding block comprises a first step and a second step, the limiting through groove is formed in the first step, the second step is provided with a concave cavity, and the auxiliary sliding block is embedded into the concave cavity.

3. The core pulling device according to claim 2, characterized in that: guide grooves are formed in two sides of the concave cavity, guide strips are arranged on two sides of the auxiliary sliding block, and the guide strips are connected with the guide grooves in a sliding mode.

4. The core pulling device according to claim 2, characterized in that: the driving piece is set to be an air cylinder, the first step is provided with an installation clamping groove, the piston end of the air cylinder is provided with an installation boss, and the installation boss is connected with the installation clamping groove in a clamped mode.

5. The core pulling device according to claim 1, characterized in that: the auxiliary sliding block is provided with a mounting hole, the guide rod is inserted into the mounting hole, and a guide inclined plane is arranged at the tail end of the guide rod in the circumferential direction.

6. The core pulling device according to claim 1, characterized in that: the top end of the guide rod is provided with a limiting bulge, and the diameter of the limiting bulge is larger than that of the guide rod.

7. The core pulling device according to claim 1, characterized in that: the main sliding block is provided with a connecting concave table, the main core is provided with a connecting convex block, and the connecting convex block is matched with the connecting concave table and inserted into the connecting concave table.

8. The core pulling device according to claim 1, characterized in that: the auxiliary core tail end is sleeved with a connecting piece, the connecting piece is embedded in the auxiliary sliding block, concave surfaces are arranged on two sides of the connecting piece, a fastening bolt penetrates through the auxiliary sliding block, and the outer wall of the fastening bolt is in close contact with the concave surfaces.

9. The core pulling device according to claim 8, characterized in that: the end of the secondary mold core is provided with a limiting block, a limiting concave table is arranged on the connecting piece, and the limiting block is embedded in the limiting concave table.

10. A die casting mold, characterized by comprising the core pulling device according to any one of claims 1 to 9.

Images