CN113458357A

CN113458357A - Ground side slider structure with drainage function

Info

Publication number: CN113458357A
Application number: CN202110712860.8A
Authority: CN
Inventors: 陈国恩; 陆淳佳; 苏立广; 汪学阳; 赖榴雄
Original assignee: Guangdong Hongtu Technology Holdings Co Ltd
Current assignee: Guangdong Hongtu Technology Holdings Co Ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-10-01
Anticipated expiration: 2041-06-25
Also published as: CN113458357B

Abstract

The invention discloses a ground side sliding block structure with a drainage function, which comprises a fixed die, an inclined guide pillar, a wedging block, a movable die, a sliding body, a drainage needle and a compression spring, wherein the inclined guide pillar and the wedging block are fixedly arranged on the fixed die; the movable die is provided with a guide surface, the movable die is provided with a limiting block, and the sliding body is provided with a guide inclined hole; the top of the sliding body is provided with a surface groove capable of containing accumulated water, and the sliding body is provided with a main drainage through hole and a branch drainage hole; the water drainage needle is positioned in the main water drainage through hole; the wedge-caulking block is provided with a first inclined surface, and the first inclined surface is used for enabling the drainage needle to move upwards to block the small hole in the die assembly process and enabling the drainage needle to move downwards to leave the small hole in the die opening process to enable accumulated water in the surface groove to be discharged into the main drainage through hole. The invention can discharge the residual water generated when the product is manufactured by closing the die to the outside of the die through the main water discharge through hole and the water discharge dividing hole of the sliding body, thereby realizing the water discharge function.

Description

Ground side slider structure with drainage function

Technical Field

The invention belongs to the field of molds, and particularly relates to a ground side sliding block structure with a water drainage function.

Background

In the prior art, most of die casting molds with sliders are subjected to core pulling of angle pins or oil cylinders, and the ground side slider structure of the die casting mold is often influenced by factors such as spraying water, cooling water dripping and leakage, and water accumulation can be caused at the molded surface of a formed cavity.

The existing scheme is that a fixed die, a movable die or a die frame is grooved and drilled for draining, the drained water is drained to the fixed die, the movable die or the die frame, in the die opening, spraying and cooling process of a die, a concave groove part on a ground side sliding block is easy to accumulate water, and under the condition that the accumulated water cannot be completely evaporated and drained, the die is closed to cast a product, so that the defects of cold shut, blackening and the like of the position of the product are easily caused.

Disclosure of Invention

In view of the above-mentioned drawbacks and needs of the prior art, the present invention provides a ground side slider structure having a drainage function, which can drain residual moisture out of a mold through main drainage through holes and sub drainage holes of a slider, thereby performing the drainage function.

To achieve the above object, according to one aspect of the present invention, there is provided a floor slide structure having a drainage function, comprising a fixed mold, a skew guide post, a wedge block, a movable mold, a slider, a drainage pin, and a compression spring, wherein:

the movable die and the fixed die are arranged oppositely, the inclined guide pillar and the wedging block are fixedly arranged on the fixed die, and the height of the inclined guide pillar is gradually increased along the direction away from the movable die; the movable die is provided with a guide surface, the guide surface is attached to the sliding body so as to be used for pushing the sliding body to move towards the direction close to the fixed die in the die assembly process and guiding the up-down movement of the sliding body, the movable die is provided with a limiting block used for limiting the downward moving stroke of the sliding body, and the sliding body is provided with a guide inclined hole used as a sliding channel of the inclined guide post;

the top of the sliding body is provided with a surface groove capable of containing accumulated water, the sliding body is provided with a main drainage through hole communicated with the surface groove and a branch drainage hole communicated with the main drainage through hole, the drainage needle is positioned in the main drainage through hole, the main drainage through hole is a stepped hole with a small upper part and a large lower part, the main drainage through hole is provided with a small hole capable of being blocked by the drainage needle and a large hole positioned below the small hole, and a gap is formed between the inner wall of the sliding body at the large hole and the drainage needle; one end of the branch drainage hole, which is far away from the main drainage through hole, is provided with a drainage nozzle, and the drainage nozzle penetrates through the limiting block;

the drainage needle is provided with a shaft shoulder, and the sliding body is provided with a stop table for limiting the downward movement stroke of the shaft shoulder;

the wedge-caulking block is provided with a first inclined plane which is used as a sliding channel of the drainage needle so that the drainage needle moves upwards relative to the sliding body in the mould closing process to block the small hole and moves downwards relative to the sliding body in the mould opening process to leave the small hole to discharge accumulated water in the surface groove into the main drainage through hole.

Preferably, the drainage device further comprises a compression spring which is sleeved on the drainage needle, the sliding body is provided with a limiting table, the lower end of the compression spring abuts against the shaft shoulder, and the upper end of the compression spring abuts against the limiting table.

Preferably, the wedge block is further provided with a second inclined surface, the second inclined surface is used as a moving channel of the sliding body, the first inclined surface and the second inclined surface are sequentially arranged along a direction away from the movable die, the inclination angles of the second inclined surfaces relative to a horizontal plane are gamma and gamma is alpha, wherein alpha is the inclination angle of the inclined guide post relative to the horizontal plane.

Preferably, the sliding body is provided with a third inclined surface corresponding to the main drainage through hole, and the third inclined surface is used for being attached to the second inclined surface, so that the drainage needle is always sealed in the main drainage through hole in the mold closing process.

Preferably, the sliding body comprises a sliding seat and a sliding block which are connected together, and the inclined guide hole is formed in the sliding block seat.

Preferably, the slider is located above the slider seat, an annular groove is formed in the top end of the slider seat, a sealing ring is arranged in the annular groove, and the sealing ring is pressed on the slider and arranged around the main drainage through hole.

Preferably, an annular groove is formed in the top end of the baffle table, and a sealing ring is arranged in the annular groove and used for pressing the shaft shoulder after the shaft shoulder moves downwards.

Preferably, the sliding body is provided with a fillet at both ends of the inclined guide hole, so that the inclined guide post is inserted into the inclined guide hole.

Preferably, the inclined guide post is provided with a chamfer at one end which needs to be inserted into the inclined guide hole, so as to be conveniently inserted into the inclined guide hole.

According to another aspect of the present invention, there is also provided a drainage method of the floor slide block structure, comprising the steps of:

1) the movable die moves towards the direction close to the fixed die and enables the inclined guide post to be inserted into the guide inclined hole in the sliding body, under the combined action of the movable die and the inclined guide post, the sliding body moves along the guide surface and the inclined guide post, the first inclined surface on the wedge block pushes the drainage needle to move upwards to block the small hole of the main drainage through hole, the sliding block abuts against the fixed die to realize die assembly, and the movable die, the sliding body and the fixed die form a die cavity together;

2) filling the metal liquid in the cavity, and then cooling to form a product blank;

3) the movable die moves towards the direction far away from the fixed die, the sliding body moves along the guide surface and the inclined guide post under the combined action of the movable die and the inclined guide post, and the drainage needle moves along the first inclined surface on the wedging block, so that the drainage needle moves downwards to be gradually separated from the small hole of the main drainage through hole, and water in the surface groove is drained out of the sliding body through the main drainage through hole and the branch drainage hole.

In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:

1) in the mould die sinking process, under the drive of oblique guide pillar, the slider global motion stops to the stopper, meanwhile, the drainage needle also moves down and comes the aperture separation with main drainage through-hole, the head of drainage needle breaks away from with the cooperation region of aperture, form the clearance of drainage needle and slider at the inner wall of macropore department, the remaining moisture in the face groove on the slider gets into main drainage through-hole in proper order through the shoulder hole of slider and divides the drainage hole in to discharge outside the slider, thereby with the water drainage that produces in the forming process to the outside of mould, realize the drainage function.

2) According to the invention, the slide body is driven to move up and down by the inclined guide post on the fixed die and the guide surface on the movable die, and the movable die, the slide body and the fixed die form a cavity together to form a product after die assembly, so that the control process is simple and the operation is convenient.

3) According to the invention, the up-and-down movement of the drainage needle in the main drainage through hole in the mold closing and opening processes is controlled through the first inclined plane on the wedge-caulking block, so that the mold closing and opening processes and the processes of plugging the drainage needle and leaving the small hole of the main drainage through hole are synchronously carried out, the production time can be effectively saved, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic view of a movable mold and a stationary mold in a mold clamping state according to the present invention;

FIG. 2 is a schematic view of a moving mold and a fixed mold in the mold opening process of the invention;

FIG. 3 is a schematic view of a moving mold and a fixed mold in an open state according to the present invention;

fig. 4 is a schematic view showing the water discharge needle of the present invention mounted on the slider.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 4, a ground side slider structure with a drainage function includes a fixed mold 3, an inclined guide post 6, a wedge block 7, a movable mold 1, a sliding body, a drainage needle 4, and a compression spring 8, wherein:

the movable die 1 and the fixed die 3 are arranged oppositely, the movable die 1 is close to the fixed die 3 to realize die assembly, the movable die 1 is far away from the fixed die 3 to realize die opening, the fixed die 3 is fixedly provided with the inclined guide pillar 6 and the wedge-caulking block 7, the inclined guide pillar 6 is arranged obliquely relative to the horizontal plane and has an inclination angle alpha, and the height of the inclined guide pillar 6 is gradually increased along the direction far away from the movable die 1.

The movable die 1 is provided with a guide surface which is attached to the sliding body so as to push the sliding body to move towards the direction close to the fixed die 3 in the die assembly process and guide the up-and-down movement of the sliding body, the sliding body is attached to the guide surface, the movable die 1 is provided with a limit block 12 for limiting the downward moving stroke of the sliding body, namely, the sliding body can freely cling to the guide surface to slide up and down relatively, but after moving downwards, the moving stroke of the sliding body can be limited by one limit block 12 so as to prevent the sliding body from falling off, and the sliding body is provided with a guide inclined hole serving as a sliding channel of the inclined guide post 6; when the movable die 1 moves towards the fixed die 3, the sliding body can be pushed to move towards the direction close to the fixed die 3, the inclined guide post 6 can be inserted into the inclined guide hole and is arranged in the inclined guide hole, the sliding body moves relative to the inclined guide post 6, so that the sliding body also slides up and down along the guide surface on the movable die 1, namely when the movable die 1 pushes the sliding body to slide obliquely on the inclined guide post 6, the movable die 1 also slides up and down along the guide surface.

The top of the sliding body is provided with a surface groove capable of containing accumulated water, after the die is closed, the movable die 1, the fixed die 3 and the sliding body jointly enclose a die cavity, and the surface groove can form a molded surface of the product blank 2. Water generated by forming the product blank 2 falls into the surface groove, and is collected through the surface groove; the main drainage through hole 13 communicated with the face groove and the branch drainage hole 14 communicated with the main drainage through hole 13 are formed in the sliding body, the drainage needle 4 is located in the main drainage through hole 13, the main drainage through hole 13 is a stepped hole with a small upper part and a large lower part, the main drainage through hole 13 is provided with a small hole capable of being blocked by the drainage needle 4 and a large hole located below the small hole, a gap is formed between the inner wall of the sliding body at the large hole and the drainage needle 4, and the gap is 3-4 mm, so that drainage is facilitated. One end of the branch drainage hole 14, which is far away from the main drainage through hole 13, is provided with a drainage nozzle 11, the drainage nozzle 11 penetrates through the limiting block 12, the middle of the limiting block 12 is provided with a hole, and the drainage nozzle 11 can freely penetrate through the limiting block 12; in the mold closing process, the slide body is pushed to move mainly through a guide surface on the movable mold 1, and in the mold opening process, the slide body is pulled to move mainly through the water discharge nozzle 11; after the mold is opened, the drainage needle 4 does not block the small hole any more, and water in the surface groove can flow to the branch drainage hole 14 through the small hole and the large hole in the main drainage through hole 13 and then is discharged out of the mold.

The drainage needle 4 is provided with a shaft shoulder, and the sliding body is provided with a blocking platform for limiting the downward moving stroke of the shaft shoulder so as to prevent the drainage needle 4 from falling off from the sliding body.

The wedge block 7 is provided with a first inclined surface 15, the first inclined surface 15 can be a plane or a curved surface, if the first inclined surface 15 is a plane, the inclined angles of the first inclined surface 15 relative to the horizontal plane are respectively beta and beta is larger than alpha, the first inclined surface 15 is used as a sliding channel of the drainage needle 4, so that the drainage needle 4 moves upwards relative to the sliding body in the mold closing process to block the small hole, and the drainage needle 4 moves downwards relative to the sliding body in the mold opening process to leave the small hole, so that accumulated water in the surface groove is drained into the main drainage through hole 13. In short, the first inclined surface 15 is inclined more than the angle guide 6, so that the slide body can move along the angle guide 6 and the drain pin 4 can move up and down relative to the slide body.

Further, still include compression spring 8, compression spring 8 cup joints on drainage needle 4, the slider has spacing platform, compression spring 8's lower extreme supports the shaft shoulder and the upper end supports on spacing platform. When the mold is closed, the drainage needle 4 moves upwards, the shaft shoulder can extrude the compression spring 8, and the compression spring 8 generates elasticity; in the mold opening process, the drain needle 4 can move downwards under the self gravity and the restoring force of the compression spring 8.

Further, the wedge 7 is further provided with a second inclined surface which is a moving channel of the slider, the first inclined surface 15 and the second inclined surface are sequentially arranged in a direction away from the movable die 1, the second inclined surfaces have inclination angles γ and γ ═ α with respect to a horizontal plane, and the second inclined surface can support the slider together with the angle beam 6, thereby preventing the angle beam 6 from being deformed or broken due to an excessive force.

Further, the sliding body is provided with a third inclined surface for being attached to the second inclined surface at a position corresponding to the main drainage through hole 13, so that the drainage needle 4 is always sealed in the main drainage through hole 13 in a mold closing process, and the drainage needle 4 is prevented from moving downwards to be separated from a small hole of the main drainage channel in the mold closing process to generate water leakage. In addition, a fourth slope is provided at the bottom of the drain pin 4, and the slope angle of the fourth slope with respect to the horizontal plane is θ, and θ is α, so that the bottom of the drain pin 4 can move on the second slope and does not fall out of the main drain through hole 13.

Further, the sliding body comprises a sliding seat and a sliding block 5 which are connected together, preferably fixedly connected together through a long bolt, and the guide inclined hole is arranged on the sliding block seat 10. The sliding body is manufactured in a split mode, and the main drainage through hole 13 is conveniently machined into a stepped hole in a required shape.

Further, the slider 5 is located above the slider seat 10, a first annular groove is formed in the top end of the slider seat 10, a first sealing ring 9 is arranged in the first annular groove, and the first sealing ring 9 is pressed on the slider 5 and arranged around the main drainage through hole 13. The first sealing ring 9 prevents water leakage between the slider 5 and the slide holder. The top of keeping off the platform is provided with the second annular groove, be provided with the second sealing washer in the second annular groove to be used for after the shaft shoulder moves down the pressure is in on the shaft shoulder. The second sealing ring can prevent water from leaking from the lower end of the main drainage hole after the mold is opened, but enables the water to be discharged after reaching the branch drainage hole 14 and the water discharge nozzle 11 through the main drainage through hole 13. The first annular groove and the second annular groove are both inverted sealing grooves which can prevent the sealing ring from falling off

Furthermore, the two ends of the guide inclined hole of the sliding body are provided with fillets, and one end of the inclined guide post 6, which needs to be inserted into the guide inclined hole, is provided with a chamfer so that the inclined guide post 6 can be conveniently inserted into the guide inclined hole.

The mold closing process is as follows:

when the die is closed, the movable die 1 moves rightwards, and the sliding body integrally moves upwards under the drive of the inclined guide post 6.

After moving for a certain distance, the bottom of the drainage needle 4 is contacted with the first inclined surface 15 of the wedging block 7, the first inclined surface 15 presses the bottom of the drainage needle 4 to force the drainage needle 4 to move upwards, and the top of the drainage needle 4 blocks the small hole of the main drainage through hole 13.

After the die is closed, the metal liquid is filled in the die cavity, and then the product blank 2 is formed after cooling.

The mold opening drainage control process is as follows:

when the die is opened, the movable die 1 moves leftwards, and the sliding body integrally moves downwards under the drive of the inclined guide post 6.

After moving for a certain distance, the bottom of the drainage needle 4 is contacted with the first inclined plane 15 of the wedging block 7, when the bottom of the drainage needle 4 slides on the first inclined plane 15, the drainage needle moves downwards under the pushing of the compression spring 8, the top of the drainage needle 4 is separated from a small hole matching area of the main drainage through hole 13, and a gap between the drainage needle and the sliding body at the inner wall of a large hole is formed;

the water in the surface groove enters the branch drainage holes 14 through the main drainage holes and is discharged to the outside of the die through the drainage nozzle 11, thereby realizing the drainage function.

The accumulated water in the sliding body can be discharged to the outside of the die through the water discharge nozzle 11 through the actions, so that the die can be cleaned, and compared with the traditional mode that the water discharged by the sliding block 5 is only discharged to the fixed die 3 or the movable die 1 or the die frame, the water discharge device has creativity.

It is to be understood that the foregoing are many different embodiments or examples of the different features of the present embodiments. Specific examples of components and arrangements are described above to simplify the illustrative embodiments. These are, of course, merely examples and are not intended to limit the embodiments, and for example, device dimensions are not limited to the ranges or values disclosed, but may depend on processing conditions and/or desired properties of the device.

Moreover, the formation of a first feature over or on a second feature in the description that follows may include embodiments in which the first and second features are formed in direct contact, and may also include embodiments in which additional features may be formed interposing the first and second features, such that the first and second features may not be in direct contact, although the various features may be drawn arbitrarily to varying proportions for simplicity and clarity of illustration.

Spatially relative terms, such as "under," "below," "lower," "above," "upper," and the like, may be used herein to describe one element or feature's relationship to another element or feature(s) as illustrated in the figures.

These spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be oriented in different ways (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a ground side sliding block structure with drainage function which characterized in that, includes cover half, oblique guide pillar, wedge piece, movable mould, slider, drainage needle and compression spring, wherein:

2. The ground sliding block structure with the drainage function according to claim 1, further comprising a compression spring sleeved on the drainage needle, wherein the sliding body has a limit platform, and the lower end of the compression spring abuts against the shaft shoulder and the upper end abuts against the limit platform.

3. The structure of claim 1, wherein the wedge block further comprises a second inclined surface, the second inclined surface serves as a moving channel of the sliding body, the first inclined surface and the second inclined surface are sequentially arranged along a direction away from the movable mold, and angles of inclination of the second inclined surface with respect to a horizontal plane are γ and γ ═ α, respectively, where α is an angle of inclination of the angle guide pillar with respect to the horizontal plane.

4. The structure of claim 4, wherein the sliding body is provided with a third inclined surface corresponding to the main drain hole for engaging with the second inclined surface, so as to always enclose the drain pin in the main drain hole during mold clamping.

5. The structure of claim 1, wherein the sliding body comprises a sliding seat and a sliding block connected together, and the inclined guide hole is formed in the sliding seat.

6. The structure of claim 6, wherein the slider is located above the slider seat, and the top end of the slider seat is provided with an annular groove, and a sealing ring is arranged in the annular groove, and the sealing ring presses on the slider and is arranged around the main drainage through hole.

7. The structure of claim 1, wherein the top end of the baffle is provided with an annular groove, and the annular groove is provided with a sealing ring for pressing against the shoulder after the shoulder moves downwards.

8. The structure of claim 1, wherein the slider has rounded corners at both ends of the inclined guide hole to facilitate the insertion of the inclined guide post into the inclined guide hole.

9. The structure of claim 8, wherein the inclined guide post is provided with a chamfer at an end to be inserted into the inclined guide hole, so as to be inserted into the inclined guide hole.

10. The method of draining a ground slide block structure of any of claims 1-9, comprising the steps of: