CN211413624U

CN211413624U - Sliding block pre-pulling device

Info

Publication number: CN211413624U
Application number: CN201922250198.XU
Authority: CN
Inventors: 王有松
Original assignee: Zhuhai Rongtai Precision Die Casting Co ltd
Current assignee: Zhuhai Rongtai Precision Die Casting Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-09-04
Anticipated expiration: 2029-12-13

Abstract

The utility model relates to the technical field of casting molds, in particular to a sliding block pre-pulling device, which comprises a base, a guide component, an ejector pin component and a crimping component, wherein the crimping component is connected with a driving mechanism which is used for driving the crimping component to be inserted into a abdicating groove, the crimping component comprises a pre-pulling block and a wedging block which are arranged oppositely, the wedging block is used for crimping the ejector pin component, one side of the pre-pulling block which is relatively far away from the ejector pin component is crimped on the abdicating groove, and the pre-pulling block is used for pushing the base to move relative to the ejector pin component; the utility model discloses an actuating mechanism orders about wedging piece edgewise crimping thimble assembly to thereby the adoption pulls out the linkage in advance and orders about base horizontal migration in order to keep away from the product and realize pulling out in advance, pulls out in-process thimble assembly crimping product all the time in advance, places the product sticking, guarantees the quality of product, and wedging piece and pulling out piece edgewise crimping base and thimble assembly in advance, does not conflict with the drawing die direction of base, avoids taking place to interfere, also need not to increase the size of mould.

Description

Sliding block pre-pulling device

Technical Field

The utility model relates to a casting mould technical field, in particular to slider pulls out device in advance.

Background

In short, the mold is a tool for manufacturing a molded article, the tool is composed of various parts, different molds are composed of different parts, the processing of the appearance of the article is realized mainly by changing the physical state of the molded material, and the existing mold has the name of 'industrial mother' because the surface of the product, which is contacted with a sliding block, deforms due to mold sticking and influences the casting quality of the product due to the product structure; the existing solution is to arrange a telescopic cylinder at the rear end of the mold, the telescopic cylinder is connected with a thimble, after the thimble is used for crimping the product, the mold is firstly drawn out for a certain distance, and then the thimble is connected with the mold and drawn out together, so that the size of the mold is increased undoubtedly, and the cost of the mold is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a slider pulls out device in advance, from side crimping thimble assembly avoids the product sticking die when pulling out in advance to do not increase the size of mould.

According to the utility model discloses a slider pulls out device in advance of first aspect embodiment, include: the side surface of the base is provided with a yielding groove; the guide assembly is horizontally arranged on the base; the ejector pin assembly penetrates through the base and protrudes on one side of the abdicating groove; the compression joint assembly comprises a pre-pulling block and a wedging block which are oppositely arranged; actuating mechanism, with the crimping subassembly is connected, is used for ordering about the crimping subassembly is pegged graft in the groove of stepping down, wedging piece crimping thimble assembly, pull out the piece crimping in advance relatively keep away from on the groove of stepping down one side of thimble assembly and promotion the base is relative thimble assembly removes.

According to the utility model discloses the slider pulls out device in advance has following beneficial effect at least: the utility model discloses an actuating mechanism orders about wedging piece edgewise crimping thimble assembly to thereby the adoption pulls out the linkage in advance and orders about base horizontal migration in order to keep away from the product and realize pulling out in advance, pulls out in-process thimble assembly crimping product all the time in advance, places the product sticking, guarantees the quality of product, and wedging piece and pulling out piece edgewise crimping base and thimble assembly in advance, does not conflict with the drawing die direction of base, avoids taking place to interfere, also need not to increase the size of mould.

According to some embodiments of the utility model, thimble subassembly includes the needle body and sets up the apron of needle body root, the terminal surface of apron is equipped with the rake, the wedging piece is close to the groove motion of stepping down and crimping rake.

According to some embodiments of the utility model, thimble assembly still includes the fixed plate, the fixed plate with apron fixed connection, the holding has been seted up on the fixed plate the through-hole of elasticity subassembly.

According to the utility model discloses a some embodiments, be provided with first wear-resisting piece on the lateral wall in groove of stepping down, the apron holding is in the first wear-resisting piece, and be provided with on the first wear-resisting piece and be used for blockking the stop part that the apron was worn out.

According to some embodiments of the utility model, be provided with stop screw on the apron, elasticity subassembly sets up the apron with between the lateral wall in the groove of stepping down.

According to some embodiments of the invention, the first wear resistant block is provided with a side slope that matches with the wedging block.

According to some embodiments of the present invention, the wedge block is provided with an inverted arc on one side of the upper crimping cover plate.

According to some embodiments of the utility model, be provided with the horizontally guide part on the groove of stepping down, the base can be followed the direction of guide part is relative the wedging piece removes.

According to some embodiments of the utility model, be provided with the wear-resisting piece of second on the groove of stepping down, the pre-pulling piece moves down and crimping the wear-resisting piece of second.

According to some embodiments of the utility model, the setting of pulling out the piece slope in advance, and the lower extreme of pulling out the piece in advance is provided with can crimping gradually the inclined plane of the wear-resisting piece of second.

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 an exploded view of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a driving mechanism of a slider pre-pulling device according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 4 is an enlarged schematic view at A in FIG. 3;

fig. 5 is an exploded view of the thimble assembly according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram of a wedge block according to an embodiment of the present invention.

Wherein: a base 100; a yielding slot 101; a slider 200; a product 300; a resilient member 400; a drive mechanism 600; a pre-pulling block 501; a wedge block 502; a reverse arc 503; a needle body 301; a cover plate 302; a fixed plate 303; an inclined portion 304; a first wear block 102; a second wear block 103; a blocking portion 104; a limit screw 105; a guide portion 106.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting 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. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

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.

Referring to fig. 1 to 3, a pre-pulling apparatus for a slider 200 includes a base 100, a pin assembly and a press-connection assembly, wherein one end of the base 100 is connected to the slider 200 through a thread or a bolt, and the other end is detachably connected to a driving source through a hinge rod, a side surface of the base 100 is provided with an abdicating groove 101, the base 100 is connected to a guide assembly horizontally arranged, the base 100 can horizontally slide along the guide assembly, the pin assembly is arranged on the base 100 in a penetrating manner, one end of the pin assembly protrudes from one side of the abdicating groove 101, the other end of the pin assembly penetrates through the slider 200 and abuts against a product 300, an elastic assembly 400 is sleeved on a section of the pin assembly penetrating through the base 100, and the elastic assembly 400 is used for providing an elastic restoring; the crimping component is connected with a driving mechanism 600, the driving mechanism 600 can be a common linear sliding table or a telescopic cylinder in the market, and can drive the crimping component to be inserted into the abdicating groove 101 along the moving direction perpendicular to the base 100, the crimping component comprises a pre-pulling block 501 and a wedging block 502 which are oppositely arranged, wherein the pre-pulling block 501 is arranged on one side of the abdicating groove 101 which is relatively far away from the product 300 so as to drive the base 100 and the sliding block 200 to be far away from the product 300, and the wedging block 502 is arranged on one end of the ejector pin component which is close to one side of the abdicating groove 101, so that the ejector pin component is always crimped with the product 300, the product 300 is ensured not to move along with the sliding block 200, and the sticking of; when the casting and cooling device is used specifically, the driving source drives the base 100 to move towards one end close to the sliding block 200 along the guide assembly so as to compress the mold, ensure the molding of the inner cavity of the mold, and further start the casting and cooling operation, which is not protected by the technical scheme and is not described herein again; after pouring is completed, the driving mechanism 600 drives the crimping component to be inserted into the abdicating groove 101, so that the base 100 drives the sliding block 200 to be far away from the product 300 along the horizontal direction, namely, the sliding block 200 is separated from the product 300, and at the moment, the ejector pin component is static relative to the product 300, thereby ensuring that the product 300 does not move along with the sliding block 200, and avoiding the problem that the product 300 is stuck to a mold.

In some embodiments, referring to fig. 3 to 5, the thimble assembly includes a needle body 301 and a cover plate 302 disposed at the root of the needle body 301, an end surface of the cover plate 302 is provided with an inclined portion 304, and a wedge block 502 moves close to the receding groove 101 and is pressed against the inclined portion 304, so that the needle body 301 can abut against the product 300; specifically, thimble assembly still includes fixed plate 303, fixed plate 303 and apron 302 thread rigid coupling, set up the through-hole of holding elasticity subassembly 400 on the fixed plate 303, specifically, needle body 301 passes fixed plate 303 and sets up, apron 302 fixes the one end of needle body 301 on fixed plate 303, elasticity subassembly 400 passes fixed plate 303 and both ends are connected respectively and are stepped down the side and the apron 302 of groove 101, that is to say, the cavity of holding fixed plate 303 and apron 302 is seted up to the one side that is close to slider 200 on the groove 101 of stepping down relatively makes fixed plate 303 and apron 302 can remove in this cavity.

In some embodiments, the cover plate 302 is provided with a limit screw 105, the elastic component 400 is disposed between the cover plate 302 and the sidewall of the abdicating groove 101, the elastic component 400 may be a pressure spring commonly used in the market, and the elastic component 400 applies an elastic restoring force to the cover plate 302, so that the thimble component can reciprocate along the axial direction of the limit screw 105, specifically, the limit screw 105 is a polished rod with a nut at one end and an external thread at the other end, and the middle section is capable of achieving guidance.

In some embodiments, referring to fig. 4 and 5, the first wear-resistant block 102 is disposed on a side wall of the abdicating groove 101, the cover plate 302 is received in the first wear-resistant block 102, and the blocking portion 104 for blocking the cover plate 302 from passing through is disposed on the first wear-resistant block 102, that is, an inner cavity capable of accommodating the cover plate 302 is formed between the first wear-resistant block 102 and a side wing of the abdicating groove 101, and the first wear-resistant block 102 is fixed on a side surface of the abdicating groove 101 through a threaded connection.

In other embodiments, as shown in fig. 4, the side of the first wear-resistant block 102 that is engaged with the wedge block 502 is inclined, so as to avoid the wedge block 502 moving toward the receding groove 101 to directly impact the first wear-resistant block 102 and cause structural damage.

In other embodiments, as shown in fig. 4 and 6, the wedge block 502 is provided with an inverted arc 503 on one side of the upper crimping cover plate 302, and when the wedge block 502 moves toward the approaching abdicating groove 101, the inverted arc 503 linearly contacts the inclined portion 304 and drives the needle 301 to crimp the product 300, thereby ensuring that the base 100 and the slider 200 stably move horizontally to be far away from the product 300.

In some embodiments, the horizontal guide portion 106 is disposed on the receding groove 101, the base 100 can move relative to the wedge block 502 along the guiding direction of the guide portion 106, specifically, the wedge block 502 and the pre-pulling block 501 are both disposed with a guide groove matching with the guide portion 106, when the pre-pulling block 501 is pressed against the base 100 and pushes the base 100 to move along the guide assembly, the pre-pulling block 501 and the wedge block 502 are stationary in the horizontal direction, that is, the base 100 moves in the horizontal direction along the guide portion 106 relative to the pre-pulling block 501 and the wedge block 502.

In some embodiments, referring to fig. 1 and 3, the abdicating groove 101 is provided with a second wear-resistant block 103, the second wear-resistant block 103 is provided on a side surface of the abdicating groove 101 relatively far away from the product 300, the pre-pulling block 501 is driven by the driving mechanism 600 to approach and press the second wear-resistant block 103, so as to drive the base 100 to move in the horizontal direction, in the process, the pre-pulling block 501 presses the second wear-resistant block 103, so as to prevent the base 100 and the pre-pulling block 501 from being worn too fast and reducing the service life of the structure; in other embodiments, the pre-pulling block 501 is disposed obliquely, and the lower end of the pre-pulling block 501 is provided with an inclined surface capable of gradually pressing against the second wear-resistant block 103, so as to ensure that the pre-pulling block 501 linearly presses against the second wear-resistant block 103, and avoid the phenomenon that the product 300 is stuck due to the fact that the base 100 is rapidly pulled out as the pre-pulling block 501 directly impacts the base 100.

It should be noted that both the first wear-resistant block 102 and the second wear-resistant block 103 may be made of a wear-resistant material or a metal material with a surface subjected to wear-resistant treatment, and the purpose of the present invention is to increase the wear-resistant coefficient of the positions on the base 100, which are respectively in contact with the wedge block 502 and the pre-pulling block 501, and to prevent the base 100, the wedge block 502 and the pre-pulling block 501 from being worn to cause the movement distance of the needle 301 to change.

It should be noted that the guide assembly is not shown in the drawings, and may be a rail or other form of rail that can drive the base 100 to move in a horizontal direction relatively away from the product 300.

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 within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The slider pulls out device in advance, its characterized in that includes:

the device comprises a base (100), wherein a yielding groove (101) is formed in the side surface of the base (100);

a guide assembly horizontally disposed on the base (100);

the ejector pin assembly penetrates through the base (100) and protrudes on one side of the abdicating groove (101);

the crimping assembly comprises a pre-pulling block (501) and a wedging block (502) which are oppositely arranged;

actuating mechanism (600), with the crimping subassembly is connected, is used for ordering about the crimping subassembly is pegged graft in abdicating groove (101), wedging piece (502) crimping thimble assembly, in advance pull out piece (501) crimping abdicating groove (101) go up and keep away from relatively one side of thimble assembly and promote base (100) is relative thimble assembly removes.

2. The slider pre-pulling device according to claim 1, wherein the thimble assembly comprises a needle body (301) and a cover plate (302) disposed at the root of the needle body (301), the end surface of the cover plate (302) is provided with an inclined portion (304), and the wedge block (502) moves close to the receding groove (101) and is pressed against the inclined portion (304).

3. The pre-pulling device for the sliding block according to claim 2, further comprising an elastic component (400), wherein the thimble component further comprises a fixing plate (303), the fixing plate (303) is fixedly connected with the cover plate (302), and a through hole for accommodating the elastic component (400) is formed in the fixing plate (303).

4. The pre-drawing device for the sliding block according to claim 2, characterized in that a first wear-resistant block (102) is arranged on the side wall of the abdicating groove (101), the cover plate (302) is accommodated in the first wear-resistant block (102), and a blocking portion (104) for blocking the cover plate (302) from passing out is arranged on the first wear-resistant block (102).

5. The pre-drawing device for the sliding block according to claim 3, characterized in that a limit screw (105) is arranged on the cover plate (302), and the elastic component (400) is arranged between the cover plate (302) and the side wall of the abdicating groove (101).

6. The pre-drawing device for the sliding block according to claim 4, characterized in that the side surface of the first wear-resistant block (102) which is matched with the wedging block (502) is obliquely arranged.

7. A slider pre-pulling device according to claim 2 or 3, characterized in that the wedge block (502) is provided with an inverted circular arc (503) on one side of the upper crimping cover plate (302).

8. The device for pre-pulling a slider as claimed in claim 1, wherein a horizontal guide portion (106) is disposed on the receding groove (101), and the base (100) can move relative to the wedge block (502) along the guide direction of the guide portion (106).

9. The sliding block pre-pulling device according to claim 1, wherein a second wear-resisting block (103) is arranged on the receding groove (101), and the pre-pulling block (501) moves downwards and is in pressure contact with the second wear-resisting block (103).

10. The slider pre-pulling device according to claim 9, characterized in that the pre-pulling block (501) is arranged obliquely, and the lower end of the pre-pulling block (501) is provided with a slope capable of gradually pressing against the second wear-resistant block (103).