CN216881629U

CN216881629U - Casting positioning chaplet for composite engine cylinder

Info

Publication number: CN216881629U
Application number: CN202220410383.XU
Authority: CN
Inventors: 张宝胜; 胡长城
Original assignee: Taicang Smith Richardson Precision Manufacturing Co ltd
Current assignee: Taicang Smith Richardson Precision Manufacturing Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-07-05
Anticipated expiration: 2032-02-28

Abstract

The utility model relates to the technical field of advanced preparation and processing of special-performance steel, in particular to a composite type engine cylinder casting positioning chaplet. Including first fagging and second fagging, it is equipped with the movable rod to extend in the first fagging, movable rod one side is equipped with the rack, it is equipped with the cover fishplate bar to extend in the second fagging, it is equipped with movable slot to cup joint board one side, the activity slot is followed cover fishplate bar length direction extends the setting, the movable rod is connected with the activity slot registrate to activity slot axial displacement can be followed to the movable rod, it is equipped with the worm axle to rotate on the board to cup joint, the worm axle is connected with rack toothing. The utility model can better adapt to the size requirement of the casting of the engine cylinder body, can improve the casting quality and has good applicability.

Description

Casting positioning chaplet for composite engine cylinder

Technical Field

The utility model relates to the technical field of advanced preparation and processing of special-performance steel, in particular to a composite type engine cylinder casting positioning chaplet.

Background

The existing engine cylinder body is manufactured by adopting a sand casting process, a sand core is required to be placed in a sand box for core assembly, then molten iron is injected for mold filling, and casting is finished, wherein a chaplet is required to be used in the process of casting. Chinese utility model patent application No. 201822052938.4 discloses a casting is with location chaplet and place combination core thereof, wherein casting is with location chaplet as shown in fig. 1 (corresponding its description attached figure 7), through upper bracket 41 with be equipped with thick tooth screw thread 5's pole portion screw-thread fit, realize chaplet upper bracket 41 and undersetting 42's interval regulation to can adapt to different mounting dimension. When the narrow-direction spacing adjustment is realized, the rod part can be seen to protrude out of the upper support, so that a jack can be correspondingly formed on the inner wall of the casting in the casting process, and the quality of the inner wall of the engine block is affected.

In addition, there is an adjustable chaplet as shown in fig. 2, the upper and lower supports 6 of the chaplet are connected by a screw 61 and a screw sleeve 62, and the negative effect is that: when the upper support 6 and the lower support 6 are adjusted in the width direction, a cavity 63 exists between the screw rod 61 and the threaded sleeve 62, and after the core support is melted during casting, the cavity 63 easily generates air bubbles in the casting, so that the casting quality of the generator cylinder is affected.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a composite engine cylinder block casting positioning chaplet which can avoid influence on casting quality due to size adjustment.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a cast positioning chaplet of a composite engine block comprises: first fagging and second fagging, it is equipped with the movable rod to extend in the first fagging, movable rod one side is equipped with the rack, it is equipped with the cover fishplate bar to extend in the second fagging, it is equipped with movable slot to cup joint board one side, movable slot follows cover fishplate bar length direction extends the setting, the movable rod closes with movable slot registrates and is connected to movable slot axial displacement can be followed to the movable rod, it is equipped with the worm axle to rotate on the board to cup joint, the worm axle is connected with rack toothing.

In the device, the casting positioning chaplet of the composite engine cylinder block is a novel adjustable chaplet, and the movable rod is adjusted to move along the axial direction by rotating the worm shaft, so that the distance between the first supporting plate and the second supporting plate can be adjusted. When the distance of the composite engine cylinder block casting positioning chaplet is adjusted in the narrow direction, the end part of the composite engine cylinder block casting positioning chaplet does not protrude out of a screw rod, and when the distance of the composite engine cylinder block casting positioning chaplet is adjusted in the wide direction, a cavity is not generated inside the composite engine cylinder block casting positioning chaplet, so that the composite engine cylinder block casting positioning chaplet can better adapt to the size requirement of engine cylinder block casting, can improve the casting quality, and has good usability.

Further, a compound engine cylinder body casting location chaplet, movable rod one side is extended and is equipped with the grafting bulge, grafting bulge front end is equipped with spacing convex part, the rack sets up on the grafting bulge, the activity slot suits with the grafting bulge shape. As a preferable scheme of the present invention, the insertion protrusion is integrally in a shape of a "convex", the limit protrusion plays a role in limiting, and the movable rod and the socket plate are connected and can move in the axial direction by the cooperation of the insertion protrusion and the movable slot.

Furthermore, the casting positioning core support for the composite engine cylinder block is characterized in that a worm cavity is arranged on the side surface of the sleeve plate, the worm shaft is arranged in the worm cavity, the length direction of the worm cavity is parallel to the extending direction of the movable slot, and the movable slot is intersected with the worm cavity. As a preferable scheme of the utility model, the worm cavity is arranged, namely the worm shaft is arranged on the sleeving plate in an embedded mode, so that the space is saved, and the intersecting area of the worm cavity and the movable slot is the meshing area of the worm shaft and the rack.

Further, compound engine cylinder body casting location chaplet, still include the pivot, the pivot is worn to establish worm axle center to the axial runs through the second fagging and cup joints the board, and is corresponding, be equipped with the perforation on worm axle, second fagging and the cup joint the board.

Further, compound engine cylinder body casting location chaplet, the nearly second fagging one side of pivot is equipped with the location round platform, and is corresponding, be equipped with the counter bore on the second fagging. As a preferred scheme of the utility model, the positioning round table and the counter bore are mutually nested to complete the positioning of the rotating shaft.

Furthermore, the composite engine cylinder body casting positioning chaplet is characterized in that the side wall of the positioning circular truncated cone is provided with threads, and the corresponding side wall of the counter bore is provided with threads. As the preferred scheme of the utility model, the positioning round table is in threaded connection with the counter bore, so that the positioning firmness is ensured.

Furthermore, the composite engine cylinder body casting positioning chaplet is characterized in that a wrench groove is formed in the end of the positioning circular truncated cone. As the preferred scheme of the utility model, a wrench groove is arranged for ensuring the locking of the positioning circular truncated cone and the counter bore.

Further, the composite engine cylinder block casting positioning chaplet is characterized in that axial projections of the first supporting plate and the second supporting plate are overlapped with each other. As the preferable scheme of the utility model, the sand cores at two sides of the first supporting plate and the second supporting plate are ensured to be mutually corresponding, the installation space can be saved, and the use adaptability is improved.

The technical scheme shows that the utility model has the following beneficial effects:

the utility model provides a casting positioning core support for a composite engine cylinder block, which is a novel adjustable core support. When the distance of the composite engine cylinder block casting positioning chaplet is adjusted in the narrow direction, the end part of the composite engine cylinder block casting positioning chaplet does not protrude out of a screw rod, and when the distance of the composite engine cylinder block casting positioning chaplet is adjusted in the wide direction, a cavity is not generated inside the composite engine cylinder block casting positioning chaplet, so that the composite engine cylinder block casting positioning chaplet can better adapt to the size requirement of engine cylinder block casting, can improve the casting quality, and has good usability.

Drawings

Fig. 1 is a drawing 7 of the chinese utility model patent specification with application number 201822052938.4.

The corresponding numbering of the components in figure 1 corresponds to that of the patent specification.

FIG. 2 is an adjustable chaplet of a screw-threaded sleeve connection as described in the background section;

FIG. 3 is a schematic three-dimensional structure of a cast locating chaplet of a composite engine block according to the present invention;

FIG. 4 is a plan front view of a cast locating chaplet of a composite engine block according to the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is an exploded view of various components of the cast locating chaplet of the composite engine block of the present invention.

In the figure: 1-a first supporting plate; 11-a movable rod; 111-a rack; 112-a plug-in projection; 1121-limit projection; 2-a second supporting plate; 21-sleeving and connecting plates; 22-a movable slot; 23-a worm cavity; 24-counter bore; 3-a worm shaft; 4-a rotating shaft; 41-positioning the circular truncated cone; 411-wrench slot; 6-support; 61-screw rod; 62-a threaded sleeve; 63-cavity.

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 or similar 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 illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Combine the compound engine cylinder body casting location chaplet that fig. 3-6 show, first fagging 1 and second fagging 2, it is equipped with movable rod 11 to extend on the first fagging 1, 11 one sides of movable rod are equipped with rack 111, it is equipped with cover fishplate bar 21 to extend on the second fagging 2, cover fishplate bar 21 one side is equipped with movable slot 22, activity slot 22 is followed cover fishplate bar 21 length direction extends the setting, movable rod 11 closes with movable slot 22 registrates and is connected to movable rod 11 can follow activity slot 22 axial displacement, it is equipped with worm axle 3 to rotate on the cover fishplate bar 21, worm axle 3 is connected with rack 111 meshing.

Based on above-mentioned structure, a compound engine cylinder body casting location chaplet of this embodiment for a novel adjustable chaplet, adjust movable rod 11 through rotating worm axle 3 and remove along axial direction to can adjust the interval between first fagging 1 and the second fagging 2. The embodiment when a compound engine cylinder body casting location chaplet toward narrow direction regulation distance, the tip does not have the screw rod protrusion, toward wide direction regulation distance, inside can not produce the cavity, consequently the embodiment a compound engine cylinder body casting location chaplet can promote the casting quality when the as cast dimensional requirement of adaptation engine cylinder body that can be better, have fine use adaptability.

In this embodiment, an insertion protrusion 112 extends from one side of the movable rod 11, a limiting protrusion 1121 is disposed at a front end of the insertion protrusion 112, the rack 111 is disposed on the insertion protrusion 112, and the movable slot 22 is adapted to the insertion protrusion 112 in shape.

The insertion protrusion 112 is integrally in a shape of a "convex", the limiting protrusion 1121 plays a limiting role, and the insertion protrusion 112 is matched with the movable slot 22, so that the movable rod 11 is connected with the socket plate 21 and can move axially.

In this embodiment, a worm cavity 23 is disposed on a side surface of the socket plate 21, the worm shaft 3 is disposed in the worm cavity 23, a length direction of the worm cavity 23 is parallel to an extending direction of the movable slot 22, and the movable slot 22 intersects with the worm cavity 23. The worm cavity 23 is arranged, namely the worm shaft 3 is arranged on the sleeving and connecting plate 21 in an embedded mode, so that space is saved, and the area where the worm cavity 23 and the movable slot 22 intersect is the meshing area of the worm shaft 3 and the rack 111.

In addition, still include the pivot 4, the pivot 4 wears to establish the 3 axle centers of worm axle to the axial runs through second fagging 2 and cover fishplate bar 21, and is corresponding, be equipped with the perforation on worm axle 3, second fagging 2 and the cover fishplate bar 21. In this embodiment, a positioning circular truncated cone 41 is disposed on one side of the rotating shaft 4 close to the second supporting plate 2, and correspondingly, a counter bore 24 is disposed on the second supporting plate 2. The side wall of the positioning round table 41 is provided with threads, and the corresponding side wall of the counter bore 24 is provided with threads. In addition, a wrench slot 411 is provided at an end of the positioning circular table 41. The positioning round platform 41 and the counter bore 24 are mutually sleeved and embedded to complete the positioning of the rotating shaft 4, and the positioning round platform 41 is in threaded connection with the counter bore 24 to ensure the firmness of the positioning. A wrench slot 411 is provided for securing the locking of the

positioning bosses

41 and 24.

In this embodiment, the axial projections of the first supporting plate 1 and the second supporting plate 2 are overlapped with each other. The sand cores on the two sides of the first supporting plate 1 and the second supporting plate 2 are ensured to correspond to each other, the installation space can be saved, and the usability is improved.

The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the present invention and should not be construed as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a compound engine cylinder body casting location chaplet which characterized in that: including first fagging (1) and second fagging (2), it is equipped with movable rod (11) to extend on first fagging (1), movable rod (11) one side is equipped with rack (111), it is equipped with cover fishplate bar (21) to extend on second fagging (2), cover fishplate bar (21) one side is equipped with activity slot (22), activity slot (22) are followed cover fishplate bar (21) length direction extends the setting, movable rod (11) and activity slot (22) registrate and are connected to activity slot (11) can follow activity slot (22) axial displacement, it is equipped with worm axle (3) to rotate on cover fishplate bar (21), worm axle (3) are connected with rack (111) meshing.

2. The cast locating chaplet of a composite engine block as claimed in claim 1, wherein: the utility model discloses a portable terminal, including activity pole (11), movable rod (11) one side is extended and is equipped with grafting bulge (112), grafting bulge (112) front end is equipped with spacing convex part (1121), rack (111) set up on grafting bulge (112), activity slot (22) and grafting bulge (112) shape suit.

3. The cast locating chaplet of a composite engine block as claimed in claim 2, wherein: the worm shaft type worm gear is characterized in that a worm cavity (23) is formed in the side face of the sleeved connection plate (21), the worm shaft (3) is arranged in the worm cavity (23), the length direction of the worm cavity (23) is parallel to the extending direction of the movable slot (22), and the movable slot (22) is intersected with the worm cavity (23).

4. A composite engine block casting locating chaplet as claimed in claim 3, wherein: still include pivot (4), pivot (4) are worn to establish worm axle (3) axle center to the axial runs through second fagging (2) and cup joints board (21), corresponds, be equipped with the perforation on worm axle (3), second fagging (2) and the cup joint board (21).

5. The cast locating chaplet of a composite engine block as claimed in claim 4, wherein: one side of the rotating shaft (4) close to the second supporting plate (2) is provided with a positioning circular truncated cone (41), and correspondingly, the second supporting plate (2) is provided with a counter bore (24).

6. The cast locating chaplet of a composite engine block as claimed in claim 5, wherein: the side wall of the positioning round platform (41) is provided with threads, and the corresponding side wall of the counter bore (24) is provided with threads.

7. The cast locating chaplet of a composite engine block as claimed in claim 6, wherein: the end part of the positioning round platform (41) is provided with a wrench groove (411).

8. The cast positioning chaplet of a composite engine block as claimed in any one of claims 1-7, wherein: the axial projections of the first supporting plate (1) and the second supporting plate (2) are overlapped with each other.