阅读说明：本技术 一种可高精度合模的发动机缸体动模机构 (engine cylinder block moving die mechanism capable of high-precision die assembly ) 是由 周希旺 叶能 朱冠帷 于 2019-11-29 设计创作，主要内容包括：本发明公开了一种可高精度合模的发动机缸体动模机构,包括动模和四个侧模插芯组件；所述动模的里侧面开设有呈十字形交叉的凹槽,该凹槽的中部设置有可与定模匹配的辅模,所述辅模将所述凹槽分隔为四个通道,所述辅模的四周设置有多个自所述动模里侧面向外凸起的限位块；所述动模的周缘还开设有多个固定槽,多个所述固定槽可用于将所述动模与定模合模导向及固定连接；四个所述侧模插芯组件分别设置于四个所述通道处,四个所述侧模插芯组件可与所述辅模及定模合模并插芯。本发明通过在辅模四周设置多个限位块,可以利用所述限位块对辅模与定模的合模进行高精度、近距离的定位,提高合模准确度,且密封效果好,从而提高铸造质量。(The invention discloses an engine cylinder body moving die mechanism capable of high-precision die assembly, which comprises a moving die and four side die core-inserting assemblies, wherein the inner side surface of the moving die is provided with a crisscross groove, the middle part of the groove is provided with an auxiliary die which can be matched with a fixed die, the auxiliary die divides the groove into four channels, the periphery of the auxiliary die is provided with a plurality of limiting blocks which protrude outwards from the inner side surface of the moving die, the periphery of the moving die is also provided with a plurality of fixing grooves, the fixing grooves can be used for guiding and fixedly connecting the die assembly of the moving die and the fixed die, the four side die core-inserting assemblies are respectively arranged at the four channels, and the four side die core-inserting assemblies can be matched with the auxiliary die and the fixed die and inserted with the cores.)

1, engine cylinder body movable mould mechanism capable of high-precision mould closing, which is characterized in that the mechanism comprises a movable mould and four side mould insert core components;

the inner side surface of the movable mold is provided with criss-cross grooves, the middle part of each groove is provided with an auxiliary mold which can be matched with the fixed mold, the auxiliary mold divides the grooves into four channels, and the periphery of the auxiliary mold is provided with a plurality of limiting blocks which protrude outwards from the inner side surface of the movable mold; the periphery of the movable die is also provided with a plurality of fixing grooves, and the fixing grooves can be used for guiding and fixedly connecting the movable die and the fixed die in a die assembly manner;

the four side die core inserting assemblies are respectively arranged at the four channels, and the four side die core inserting assemblies can be matched with the auxiliary die and the fixed die and inserted into the cores.

2. The die moving mechanism of the engine cylinder capable of high-precision die assembly according to claim 1, characterized in that: the auxiliary die comprises an auxiliary die seat and auxiliary die kernels, the auxiliary die seat is fixed in the middle of the groove, the auxiliary die seat divides the groove into four channels, and the auxiliary die kernels are arranged in the middle of the auxiliary die seat.

3. The die moving mechanism of the engine cylinder capable of high-precision die assembly according to claim 2, characterized in that: the auxiliary die holder is square, and four end angles of the auxiliary die holder are respectively clung to the side edges of the grooves.

4. The die moving mechanism of the engine cylinder capable of high-precision die assembly according to claim 1, characterized in that: the fixed groove is a strip-shaped groove and extends in the thickness direction of the movable die.

5. The die moving mechanism for the cylinder of engine able to match the die with high precision as claimed in claims 1-4, wherein said moving die is rectangular.

6. The die moving mechanism of the engine cylinder capable of high-precision die assembly according to claim 5, characterized in that: the number of the fixing grooves is four, and the four fixing grooves are respectively located at four end corners of the movable die.

7. The die moving mechanism of the engine cylinder capable of high-precision die assembly according to claim 5, characterized in that: and four end corners of the movable mold are provided with chamfers.

8. The engine cylinder moving die mechanism capable of realizing high-precision die assembly according to any one of claims 1-4, wherein each of the four side die insert assemblies comprises a support, a sliding cylinder and a side die, the support is fixed at the passage, the cylinder body of the sliding cylinder and the side die are respectively arranged on two sides of the support, a piston rod of the sliding cylinder penetrates through the support and is parallel to the side die, and a plunger rod is arranged on the piston rod.

9. The engine cylinder moving die mechanism capable of realizing high-precision die assembly according to claim 8, wherein each of the four side die insert core assemblies further comprises a limiting guide block, the limiting guide block is fixed at the end of the sliding cylinder, which extends out of the piston rod of the sliding cylinder, a through hole is formed in the limiting guide block, and the piston rod of the sliding cylinder can penetrate through the through hole to be connected with the insert core rod.

Technical Field

The invention relates to the technical field of engine cylinder casting, in particular to an engine cylinder moving die mechanism capable of realizing high-precision die assembly.

Background

The engine cylinder block is a relatively common part in automobile parts, and the manufacturing and processing of the engine cylinder block are regarded as important by automobile manufacturers. Because the structure is complex and the forming difficulty is high, a cavity die is usually used for casting.

At present, the structure of a cylinder casting cavity mold in a conventional design is not reasonable, and the mold closing process is lack of guidance and limitation, so that the mold closing process is complicated, the production efficiency is influenced, the mold closing is inaccurate, and the casting quality of an engine is directly influenced.

Disclosure of Invention

Accordingly, an object of the present invention is to provide types of engine cylinder block moving mold mechanisms capable of mold clamping with high accuracy.

The invention relates to an engine cylinder body moving die mechanism capable of high-precision die assembly, which comprises a moving die and four side die core-inserting assemblies;

the inner side surface of the movable mold is provided with criss-cross grooves, the middle part of each groove is provided with an auxiliary mold which can be matched with the fixed mold, the auxiliary mold divides the grooves into four channels, and the periphery of the auxiliary mold is provided with a plurality of limiting blocks which protrude outwards from the inner side surface of the movable mold; the periphery of the movable die is also provided with a plurality of fixing grooves, and the fixing grooves can be used for guiding and fixedly connecting the movable die and the fixed die in a die assembly manner;

the four side die core inserting assemblies are respectively arranged at the four channels, and the four side die core inserting assemblies can be matched with the auxiliary die and the fixed die and inserted into the cores.

The engine cylinder moving die mechanism capable of high-precision die assembly can utilize the limit blocks to position the die assembly of the auxiliary die and the fixed die in a high-precision and short distance by arranging the limit blocks on the periphery of the auxiliary die, improves the die assembly accuracy, has good sealing effect and improves the casting quality, the fixed grooves arranged on the periphery of the moving die can provide guidance for the moving die when the moving die moves towards the fixed die, correct the alignment precision of the moving die before the fixed die and the auxiliary die are assembled, provide a die assembly reference for operation, prevent deviation in the die assembly process, improve the die assembly precision in steps, and the side die insert core assembly can carry out die assembly and automatic insert core operation.

In embodiments, the auxiliary mold comprises an auxiliary mold base and an auxiliary mold core, the auxiliary mold base is fixed in the middle of the groove, the auxiliary mold base divides the groove into four channels, the auxiliary mold core is arranged in the middle of the auxiliary mold base, the auxiliary mold base can be matched with the fixed mold, the matched mold sealing effect of the auxiliary mold core and the fixed mold is improved, and the side edge of the auxiliary mold base can also limit the side mold.

In embodiments, the auxiliary die holder is square, and its four corners are respectively attached to the sides of the groove, so that the sealing degree after die assembly can be improved, and liquid leakage during casting can be prevented.

In embodiments, the fixing groove is a strip-shaped groove which extends in the thickness direction of the movable mold, and the strip-shaped groove can provide guidance and limit for the movable mold during mold closing, improve mold closing precision and avoid multiple corrections.

In embodiments, the movable mold is a rectangular body, and the rectangular body is convenient to process and produce and convenient for mold closing operation.

The fixed grooves are arranged at the four end corners of the movable die, so that the view of observing the fixed die and the movable die cannot be blocked by a matching structure during die assembly, the die assembly is convenient, and the limiting effect at the end corners is good.

In embodiments, the four end corners of the movable mold are provided with chamfers, and the chamfers can prevent accidents such as bruise and the like.

In embodiments, each of the four side mold insert core assemblies comprises a support, a sliding cylinder and a side mold, the support is fixed at the channel, a cylinder body of the sliding cylinder and the side mold are respectively arranged on two sides of the support, a piston rod of the sliding cylinder penetrates through the support and is parallel to the side mold, an insert core rod is arranged on the piston rod, the support facilitates installation of the cylinder body of the sliding cylinder and the side mold and disassembly and assembly of the side mold insert core assembly through integration, and the sliding cylinder can automatically drive the insert core rod insert core, so that manual operation is reduced, and mold closing efficiency is improved.

In embodiments, the four side mold core insert assemblies further include limiting guide blocks, the limiting guide blocks are fixed at the ends of the sliding cylinders, where the piston rods of the sliding cylinders extend out of the limiting guide blocks, the limiting guide blocks are provided with through holes, and the piston rods of the sliding cylinders can penetrate through the through holes to be connected with the core insert rods.

Compared with the prior art, the movable die mechanism of the engine cylinder body capable of high-precision die assembly has the advantages that the plurality of limiting blocks are arranged on the periphery of the auxiliary die, the limiting blocks can be used for carrying out high-precision and close-range positioning on the die assembly of the auxiliary die and the fixed die, the die assembly accuracy is improved, the sealing effect is good, the casting quality is improved, the fixed grooves are formed in the periphery of the movable die, when the movable die moves towards the fixed die, the guide can be provided for the movable die, the alignment precision of the movable die is corrected before the fixed die and the auxiliary die are assembled, the die assembly reference is provided for operation, the deviation is prevented from occurring in the die assembly process, the die assembly precision is improved in steps, and the die assembly and.

The engine cylinder moving die mechanism capable of high-precision die assembly has the beneficial effects that: the operation is convenient, the die assembly precision is improved, and the casting quality of the engine cylinder body is improved.

For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic perspective view of an engine cylinder moving mold mechanism capable of mold clamping with high accuracy according to the present invention.

Fig. 2 is a front view of the engine cylinder block moving mold mechanism of the present invention capable of mold clamping with high accuracy.

Fig. 3 is a side view of the engine block moving mold mechanism of the present invention capable of mold clamping with high accuracy.

Fig. 4 is a schematic perspective view of the movable mold.

FIG. 5 is a schematic structural view of the inside surface of the movable mold.

Fig. 6 is a perspective view of the side-die ferrule assembly.

Detailed Description

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like, referred to or may be referred to in this specification, are defined relative to their configuration, and are relative concepts. Therefore, it may be changed according to different positions and different use states. Therefore, these and other directional terms should not be construed as limiting terms.

Rather, they are merely examples of methods that correspond to of the aspects of the present disclosure as detailed in the appended claims.

As used in this disclosure and the appended claims, the singular forms "," "said," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

Please refer to fig. 1-5. Fig. 1 is a schematic perspective view of an engine cylinder moving mold mechanism capable of mold clamping with high accuracy according to the present invention. Fig. 2 is a front view of the engine cylinder block moving mold mechanism of the present invention capable of mold clamping with high accuracy. Fig. 3 is a side view of the engine block moving mold mechanism of the present invention capable of mold clamping with high accuracy. Fig. 4 is a schematic perspective view of the movable mold. FIG. 5 is a schematic structural view of the inside surface of the movable mold.

The invention discloses an engine cylinder block moving die mechanism capable of high-precision die assembly, which comprises a moving die 1 and four side die core-inserting assemblies 2.

The inner side surface of the movable mold 1 is provided with criss-cross grooves 11, the middle part of each groove 11 is provided with an auxiliary mold 12 which can be matched with the fixed mold, the auxiliary mold 12 divides the groove 11 into four channels 13, and the periphery of the auxiliary mold 12 is provided with a plurality of limiting blocks 14 which protrude outwards from the inner side surface of the movable mold 1; a plurality of fixing grooves 15 are further formed in the periphery of the movable die 1, and the fixing grooves 15 can be used for guiding and fixedly connecting the movable die 1 and the fixed die in a die assembly manner;

the four side die core insert assemblies 2 are respectively arranged at the four channels 13, and the four side die core insert assemblies 2 can be matched with the auxiliary die 12 and the fixed die and inserted into the core.

The engine cylinder body movable die 1 mechanism capable of high-precision die assembly can utilize the limit blocks 14 to carry out high-precision and short-distance positioning on the die assembly of the auxiliary die 12 and the fixed die by the aid of the limit blocks 14 arranged on the periphery of the auxiliary die 12, improves die assembly accuracy, has good sealing effect, improves casting quality, can provide guidance for the movable die 1 when the movable die 1 moves towards the fixed die, corrects alignment precision of the movable die 1 before the fixed die and the auxiliary die 12 are assembled, provides die assembly reference for operation, prevents deviation in the die assembly process, improves die assembly precision by steps, and can carry out die assembly and automatic core insertion operation on the side die assembly 2.

Specifically, the auxiliary die 12 includes an auxiliary die holder 121 and an auxiliary die core 122, the auxiliary die holder 121 is fixed to the middle of the groove 11, the groove 11 is divided into four channels 13 by the auxiliary die holder 121, and the auxiliary die core 122 is disposed in the middle of the auxiliary die holder 121. The auxiliary die holder 121 can be matched with the fixed die, so that the matching and sealing effects of the auxiliary die insert 122 and the fixed die are improved, and the side edge of the auxiliary die holder 121 can limit the side die.

Optionally, the auxiliary die holder 121 is square, and four end corners of the auxiliary die holder are respectively tightly attached to the side edges of the groove 11. The end angle of the auxiliary die holder 121 is tightly attached to the side edge of the groove 11, so that the sealing degree after die assembly can be improved, and liquid leakage during casting can be prevented.

Alternatively, the fixing groove 15 is a strip-shaped groove extending in the thickness direction of the movable mold 1. The strip-shaped groove can provide guidance and limit for the movable mold 1 in the mold closing process, improves the mold closing precision and avoids repeated correction.

Optionally, the movable mold 1 is a rectangular body. The structure of the cuboid facilitates processing and production, and facilitates die assembly operation.

Optionally, the number of the fixing grooves 15 is four, and the four fixing grooves 15 are respectively located at four corners of the moving mold 1. Will fixed slot 15 set up in four extreme angles departments of movable mould 1, when the compound die, the cooperation structure can not block observe the cover half with the sight of movable mould 1 makes things convenient for the compound die, and the spacing effectual of extreme angles department.

Optionally, four end corners of the movable mold 1 are provided with chamfers. The chamfer angle can prevent accidents such as collision injury and the like.

Please refer to fig. 6 with reference to , fig. 6 is a schematic perspective view of a side-die ferrule assembly.

The four side die core inserting assemblies 2 respectively comprise a support 21, a sliding cylinder 22 and a side die 23, the support 21 is fixed at the position of the channel 13, a cylinder body of the sliding cylinder 22 and the side die 23 are respectively arranged on two sides of the support 21, a piston rod of the sliding cylinder 22 penetrates through the support 21 and is parallel to the side die 23, a core inserting rod 24 is arranged on the piston rod, the support 21 is convenient for mounting the cylinder body of the sliding cylinder 22 and the side die 23 and facilitating integration disassembly and assembly of the side die core inserting assembly 2, and the sliding cylinder 22 can automatically drive the core inserting rod 24 to insert a core, so that manual operation is reduced, and mold closing efficiency is improved.

The number of the sliding cylinders 22 is two, the two sliding cylinders are respectively arranged at two ends of the support 21, the side mold 23 is fixed at the middle part of the support 21, the piston rods of the two sliding cylinders 22 are respectively connected with the plug rod 24, and the sliding cylinders 22 are air cylinders.

Optionally, the four side die ferrule assemblies 2 further include limiting guide blocks 25, the limiting guide blocks 25 are fixed to ends of the piston rods of the sliding cylinders 22, the limiting guide blocks 25 are provided with through holes, the piston rods of the sliding cylinders 22 can penetrate through the through holes to be connected with the ferrule rod 24, and the limiting guide blocks 25 can limit and guide the piston rods and the ferrule rod 24, so that the ferrule precision is improved.

The number of the limiting guide blocks 25 is two, and the two limiting guide blocks 25 are respectively fixed at ends of the two sliding cylinders 22 extending out of the piston rods thereof.

In addition, in order to better fix the position-limiting guide block 25, the embodiment further preferably provides a fastening strip 26, two ends of the fastening strip 26 are bent and extended towards the same side , the fastening strip 26 crosses the bracket 21, and two ends of the fastening strip are respectively clamped on the bracket 21 and the position-limiting guide block 25.

Compared with the prior art, the movable die mechanism of the engine cylinder body capable of high-precision die assembly has the advantages that the plurality of limiting blocks are arranged on the periphery of the auxiliary die, the limiting blocks can be used for carrying out high-precision and close-range positioning on the die assembly of the auxiliary die and the fixed die, the die assembly accuracy is improved, the sealing effect is good, the casting quality is improved, the fixed grooves are formed in the periphery of the movable die, when the movable die moves towards the fixed die, the guide can be provided for the movable die, the alignment precision of the movable die is corrected before the fixed die and the auxiliary die are assembled, the die assembly reference is provided for operation, the deviation is prevented from occurring in the die assembly process, the die assembly precision is improved in steps, and the die assembly and.

The engine cylinder moving die mechanism capable of high-precision die assembly has the beneficial effects that: the operation is convenient, the die assembly precision is improved, and the casting quality of the engine cylinder body is improved.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.