CN218983042U

CN218983042U - High-precision small forging production line

Info

Publication number: CN218983042U
Application number: CN202223424118.6U
Authority: CN
Inventors: 廖玉尚; 刘秋华
Original assignee: Dongguan Shengxiang Precision Metal Co Ltd
Current assignee: Dongguan Shengxiang Precision Metal Co Ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-09
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a high-precision small forging production line, and relates to the technical field of stamping processing. The high-precision small forging production line comprises an extrusion station; the first lower die structure comprises a first embedded part, a first die plate and a first lower die plate, wherein the top end of the first die plate is provided with an end-to-end annular boss, a concave cavity is defined between the annular boss and the top wall of the first die plate, the first die plate is provided with a first through groove which is arranged in a penetrating way along the vertical direction, the first through groove extends to the bottom wall of the concave cavity and forms a first through opening, the first lower die plate is provided with a second through groove which is arranged in a penetrating way along the vertical direction, and the first embedded part slidably penetrates through the first through groove and the second through groove and is in driving connection with the second driving structure; the first upper die structure is located above the cavity. The stability of punching press raw and other materials can be improved to the boss structure carries out the back extrusion to guarantee that boss structure edge portion of product can stable stamping forming.

Description

High-precision small forging production line

Technical Field

The utility model relates to the technical field of stamping processing, in particular to a high-precision small forging and pressing production line.

Background

The stamping is a forming processing method for obtaining a workpiece with a required shape and size by applying external force to raw materials by a punch and a die to enable the raw materials to generate plastic deformation or separation; the traditional punching machine generally needs to place raw materials in the cavity of lower bolster, uses hydraulic drive device drive cope match-plate pattern downward movement, and when needs to form the boss on the product, then can form the recess in lower bolster upper cavity diapire department for the raw and other materials can form the boss in the recess after the punching press, uses the punching machine to punch small-size product, and the boss border position on the product after the punching press appears collapsing easily and falls the angle, and the edge sawtooth is serious, is difficult to satisfy the requirement of processing, and production efficiency is extremely low, and the blanking rate is low.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a high-precision small forging production line which can ensure that the edge part of the boss structure of a product can be stably punched and formed.

According to an embodiment of the utility model, a high-precision small forging line comprises: the extrusion station comprises a first upper die structure, a first lower die structure, a first driving structure and a second driving structure; the first lower die structure comprises a first embedded part, a first die plate and a first lower die plate, wherein an annular boss is arranged at the top end of the first die plate and connected end to end, a concave cavity is defined between the annular boss and the top wall of the first die plate, the first die plate is provided with a first through groove which is arranged in a penetrating manner along the vertical direction, the first through groove extends to the bottom wall of the concave cavity and forms a first through opening, the first lower die plate is provided with a second through groove which is arranged in a penetrating manner along the vertical direction, the first lower die plate is arranged below the first die plate, the second through groove is arranged opposite to the first through groove, the first embedded part slidably penetrates through the first through groove and the second through groove and is in driving connection with the second driving structure, the second driving structure can drive the first embedded part to move up and down, and the top end of the first embedded part is provided with a first abutting surface for abutting against raw materials; the first upper die structure is located above the concave cavity and in driving connection with the first driving structure, the first driving structure can drive the first upper die structure to move up and down, and the first upper die structure can be in butt joint with raw materials.

The high-precision small forging production line provided by the utility model has at least the following beneficial effects: an annular boss is arranged at the top end of the first die plate, a concave cavity is defined between the annular boss and the first die plate, raw materials can be placed into the concave cavity and can be filled into the concave cavity, the first upper die structure is located above the first lower die structure, the first driving structure drives the first upper die structure to move towards the direction of the first lower die structure, the first upper die structure is abutted with the annular boss and abutted with the raw materials, and the raw materials in the concave cavity are extruded and molded into a product, wherein the part of the product located in the concave cavity is a main body structure; the first through groove is formed in the first drawing die plate in a penetrating mode, the first embedded part can penetrate through the first through groove in a sliding mode, the first through groove penetrates through the bottom wall of the concave cavity and forms a first through opening, the second driving structure can drive the first embedded part to slide downwards in the first through groove, the abutting face at the top end of the first embedded part is located at a height lower than that of the bottom wall of the concave cavity, raw materials can enter the first through groove from the first through opening, the first upper die structure can squeeze the raw materials, the raw materials can form a boss structure of a product in the first through groove, when the first upper die structure is used for maintaining pressure of the product, the second driving structure can drive the first embedded part to move upwards, the first abutting face of the first embedded part is abutted against the boss structure of the product, the stability of the raw materials can be improved, and the edge part of the boss structure of the product can be stably punched and molded.

According to some embodiments of the utility model, the extrusion station further comprises a first elastic member and a first ejector pin, wherein the top end of the first ejector pin is connected with the first insert, the first elastic member is connected with one end of the first ejector pin away from the first insert, and the first elastic member has an elastic restoring force for pushing the first insert to move towards a direction approaching to the first upper die structure.

According to some embodiments of the utility model, the first insert comprises a slider and a supporting rod, the supporting rod is arranged at the upper end of the slider, the first supporting surface is arranged at the top end of the supporting rod, the first lower template is provided with a limiting groove, the limiting groove is communicated with the second through groove, the supporting rod is slidably arranged in the first through groove and the second through groove in a penetrating manner, and the slider is arranged in the limiting groove in a vertically sliding manner and can be in supporting connection with the top wall of the limiting groove; the first elastic piece is connected with the bottom end of the sliding block.

According to some embodiments of the utility model, the first upper die structure comprises a first upper die plate and a first stamping part, the first upper die plate is provided with a fourth slot penetrating along the vertical direction, the fourth slot is positioned above the concave cavity, the first stamping part is slidably arranged in the fourth slot in a penetrating manner, and the lower end of the first stamping part is provided with a second abutting surface for abutting with raw materials.

According to some embodiments of the utility model, the extrusion station further comprises a second elastic member and a second ejector pin, the first lower die plate is provided with a third through slot penetrating in the vertical direction, the second ejector pin is slidably arranged in the third through slot in a penetrating manner and is connected with one end of the first die plate, the second elastic member is connected with one end of the second ejector pin away from the first die plate, and the second elastic member has an elastic restoring force for pushing the first die plate to move towards a direction approaching to the first upper die structure.

According to some embodiments of the present utility model, the semi-shearing station further comprises a third driving structure, a second upper die structure and a second lower die structure, wherein the third driving structure is in driving connection with the second upper die structure and can drive the second upper die structure to move up and down; the second lower die structure comprises a second lower die plate and a second embedded part, wherein a fifth through groove is formed in the second lower die plate in a penetrating mode along the vertical direction, the fifth through groove extends to the top wall of the second lower die plate and forms a second through hole, the size of the second through hole is smaller than that of the bottom wall of the concave cavity, the second embedded part is arranged in the fifth through groove, and the top end face of the second embedded part is located at a height lower than that of the top end face of the second lower die plate; the top of the second embedded piece is provided with a first accommodating groove, and the size of the first accommodating groove is the same as that of the first through hole.

According to some embodiments of the utility model, the second upper die structure comprises a second upper die plate and a second stamping part, the second upper die plate is provided with a sixth through groove penetrating in the vertical direction, the sixth through groove is located above the second embedded part, the second stamping part slidably penetrates through the sixth through groove, the lower end of the second stamping part is provided with a third abutting surface for abutting with raw materials, and the size of the third abutting surface is the same as that of the fifth through groove.

According to some embodiments of the utility model, the precision shearing machine further comprises a precision shearing station, wherein the precision shearing station comprises a fourth driving structure, a third upper die structure and a third lower die structure, and the fourth driving structure is in driving connection with the third upper die structure and can drive the third upper die structure to move up and down; the third lower die structure comprises a third lower die plate and a third embedded part, wherein a seventh through groove is formed in the third lower die plate in a penetrating mode along the vertical direction, the seventh through groove extends to the top wall of the third lower die plate and forms a third through hole, the size of the third through hole is smaller than that of the second through hole, the third embedded part is arranged in the seventh through groove, and the height of the top end face of the third embedded part is lower than that of the top end face of the third lower die plate; the top end of the third embedded part is provided with a second accommodating groove, and the size of the second accommodating groove is the same as that of the first through groove.

According to some embodiments of the utility model, the third upper die structure comprises a third upper die plate and a third stamping part, the third upper die plate is provided with an eighth through groove penetrating along the vertical direction, the eighth through groove is positioned above the third embedded part, the third stamping part is slidably arranged in the eighth through groove in a penetrating manner, the lower end of the third stamping part is provided with a fourth abutting surface for abutting with raw materials, and the size of the fourth abutting surface is the same as that of the seventh through groove.

According to some embodiments of the utility model, the blanking station further comprises a blanking station, the blanking station comprises a second drawing die plate, a fourth upper die structure and a fifth driving structure, the second drawing die plate is provided with a blanking groove which is arranged in a penetrating manner along the vertical direction, the blanking groove extends to the top end face of the second drawing die plate and forms a blanking port, the size of the blanking port is larger than that of the seventh through groove, and the upper part of the blanking groove is provided with a shrinkage structure which is gradually shrunk upwards; the fourth upper die structure is located above the blanking port and in driving connection with the fifth driving structure, the fifth driving structure can drive the fourth upper die structure to move up and down, and the fourth upper die structure can be in butt joint with raw materials.

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

Drawings

The foregoing or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a cross-sectional view of an extrusion station of a high-precision small-scale forging line of the present utility model;

FIG. 2 is a schematic view of a first lower die structure of an extrusion station of the high-precision small forging line according to the present utility model;

FIG. 3 is a cross-sectional view of a semi-shearing station of the high-precision small forging line of the present utility model;

FIG. 4 is a schematic structural view of a second lower die structure of a half-shear station of the high-precision small forging line of the present utility model;

FIG. 5 is a cross-sectional view of a fine shear station of the high precision small forging line of the present utility model;

FIG. 6 is a schematic structural view of a third lower die structure of a fine shearing station of the high-precision small forging line;

FIG. 7 is a cross-sectional view of a blanking station of the high-precision small forging line of the present utility model;

fig. 8 is a schematic structural view of a second die plate of a blanking station of the high-precision small forging line of the present utility model.

Reference numerals:

product 10; a main body structure 11; a boss structure 12; an extruder station 100; a first upper die structure 110; a first upper die plate 111; a first stamping 112; a first lower mold structure 120; a first insert 121; a slider 1211; a butt rod 1212; a first die plate 122; a first lower template 123; an annular boss 124; a cavity 125; a first through slot 126; a first port 127; a second abutment surface 128; a limit groove 129; a first elastic member 130; a first ejector pin 140; a second elastic member 150; a second thimble 160; a half-shear station 200; a second upper mold structure 210; a second upper template 211; a second stamping 212; a second lower mold structure 220; a second lower die 1221; a second insert 222; the first accommodation groove 223; a fine shearing station 300; a third upper die structure 310; a third upper template 311; a third stamping 312; a third lower mold structure 320; a third lower die plate 321; a third insert 322; a second accommodation groove 323; a blanking station 400; a fourth upper die structure 410; a second die plate 420; a chute 421; and a blanking port 422.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, left, right, front, rear, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be 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 utility model.

In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

A high-precision small forging line according to an embodiment of the present utility model is described below with reference to fig. 1 to 8.

According to the embodiment of the utility model, the high-precision small forging production line comprises an extrusion station 100; the extrusion station 100 comprises a first upper die structure 110, a first lower die structure 120, a first drive structure and a second drive structure; the first lower die structure 120 comprises a first embedded part 121, a first die plate 122 and a first lower die plate 123, wherein an end-to-end annular boss 124 is arranged at the top end of the first die plate 122, a cavity 125 is defined between the annular boss 124 and the top wall of the first die plate 122, the first die plate 122 is provided with a first through groove 126 which is arranged in a penetrating manner along the vertical direction, the first through groove 126 extends to the bottom wall of the cavity 125 and forms a first through hole 127, the first lower die plate 123 is provided with a second through groove which is arranged in a penetrating manner along the vertical direction, the first lower die plate 123 is arranged below the first die plate 122, the second through groove is arranged opposite to the first through groove 126, the first embedded part 121 slidably penetrates through the first through groove 126 and the second through groove and is in driving connection with a second driving structure, and the second driving structure can drive the first embedded part 121 to move up and down, and the top end of the first embedded part 121 is provided with a first abutting surface for abutting against raw materials; the first upper die structure 110 is located above the cavity 125 and is in driving connection with a first driving structure, the first driving structure can drive the first upper die structure 110 to move up and down, and the first upper die structure 110 can be abutted with raw materials.

An annular boss 124 is arranged at the top end of the first die plate 122, a concave cavity 125 is defined between the annular boss 124 and the first die plate 122, raw materials can be placed in the concave cavity 125 and can be filled into the concave cavity 125, the first upper die structure 110 is positioned above the first lower die structure 120, the first driving structure drives the first upper die structure 110 to move towards the direction of the first lower die structure 120, so that the first upper die structure 110 is abutted with the annular boss 124 and abutted with the raw materials, and the raw materials in the concave cavity 125 are extruded and molded into a product 10, wherein the part of the product 10 positioned in the concave cavity 125 is a main body structure 11; the first die plate 122 is provided with a first through groove 126, the first insert 121 is slidably arranged in the first through groove 126 in a penetrating manner, the first through groove 126 penetrates through the bottom wall of the concave cavity 125 and forms a first through hole 127, the second driving structure can drive the first insert 121 to slide downwards in the first through groove 126, the abutting surface of the top end of the first insert 121 is located at a height lower than that of the bottom wall of the concave cavity 125, raw materials can enter the first through groove 126 from the first through hole 127, the first upper die structure 110 can squeeze the raw materials, the boss structure 12 of the product 10 can be formed in the first through groove 126, when the first upper die structure 110 is used for maintaining pressure on the product 10, the second driving structure can drive the first insert 121 to move upwards, the abutting surface of the first insert 121 is abutted against the boss structure 12 of the product 10, the boss structure 12 is reversely squeezed, the stability of the raw materials can be improved, and the boss structure 12 of the product 10 can be stably molded by punching.

Specifically, the edge of the first die plate 122 near the first through hole 127 is provided with a rounded corner structure, and the radius of the rounded corner structure is 0.01 mm; the first lower die structure can be made of 45 # carbon structural steel.

Referring to fig. 1 and 2, it may be understood that the extrusion station 100 further includes a first elastic member 130 and a first ejector pin 140, wherein a top end of the first ejector pin 140 is connected to the first insert 121, the first elastic member 130 is connected to an end of the first ejector pin 140 away from the first insert 121, and the first elastic member 130 has an elastic restoring force for pushing the first insert 121 to move toward a direction approaching the first upper die structure 110.

Since the first abutting surface of the first insert 121 is located at a lower level than the inner wall of the cavity 125, the raw material can enter the first recess from the cavity 125, and after the raw material is stamped, the portion located in the cavity 125 is the main body structure 11 of the product 10, and the portion located in the first recess is the boss structure 12 of the product 10; after the first upper die structure 110 extrudes the raw material in the cavity 125 from above the cavity 125, the first upper die structure 110 can push the raw material in the cavity 125 to move downwards, so that the raw material can push the first embedded part 121 positioned in the first groove, the bottom end of the first embedded part 121 is connected with the first thimble 140, the bottom end of the first thimble 140 is abutted with the first elastic part 130, the raw material pushes the first embedded part 121 to move, the first elastic part 130 can be compressed, and a buffer effect can be formed on the first embedded part 121 through the first elastic part 130; specifically, the second driving structure is in driving connection with the first elastic member 130, and can push the first insert 121 to press the boss structure 12 of the product 10 through the first elastic member 130.

Referring to fig. 1 and 2, it can be understood that the first insert 121 is provided with a slider 1211 and a supporting rod 1212, the supporting rod 1212 is disposed at an upper end of the slider 1211, the first supporting surface is disposed at a top end of the supporting rod 1212, the first lower die plate 123 is provided with a limiting slot 129, the limiting slot 129 is communicated with the second through slot, the supporting rod 1212 slidably penetrates through the first through slot 126 and the second through slot, and the slider 1211 is slidably disposed in the limiting slot 129 up and down and can be abutted against a top wall of the limiting slot 129; the first elastic member 130 is connected to the bottom end of the slider 1211.

Specifically, the slider 1211 and the abutting rod 1212 are integrally formed, the slider 1211 is disposed at the lower end of the abutting rod 1212, the first lower die plate 123 is provided with a limiting groove 129, the slider 1211 can slide up and down in the limiting groove 129, the slider 1211 can slide up to abut against the upper wall surface of the cavity 125 to define a position where the abutting rod 1212 can slide up, and stability of the abutting rod 1212 extruding the boss structure 12 of the product 10 through the first abutting surface is ensured.

Referring to fig. 1 and 2, it can be understood that the first upper die structure 110 includes a first upper die plate 111 and a first stamping part 112, the first upper die plate 111 is provided with a fourth slot penetrating in a vertical direction, the fourth slot is located above the cavity 125, the first stamping part 112 is slidably disposed in the fourth slot, and a second abutting surface 128 for abutting with a raw material is disposed at a lower end of the first stamping part 112.

Specifically, the first stamping part 112 is located right above the concave cavity 125, and the size of the second abutting surface 128 at the lower end of the first stamping part 112 is the same as the size of the bottom wall surface of the concave cavity 125, so as to ensure the stamping stability of the first stamping part 112 on the raw material; the second driving structure is respectively connected with the first upper die plate 111 and the first stamping part 112 and can drive the first upper die plate 111 and the first stamping part 112 to move independently, and the second driving structure drives the first stamping part 112 and the first upper die plate 111 to move downwards at the same time, so that the first upper die plate 111 is abutted with the top end surface of the annular boss 124 to seal the concave cavity 125, and then the second driving structure drives the first stamping part 112 to move downwards to stamp the raw material; the fourth slot can limit the movable direction of the first stamping 112, thereby improving the working stability.

Referring to fig. 1 and 2, it may be understood that the extrusion station 100 further includes a second elastic member 150 and a second ejector pin 160, the first lower die plate 123 is provided with a third through slot penetrating in a vertical direction, the second ejector pin 160 slidably penetrates through the third through slot and is connected to one end of the first die plate 122, the second elastic member 150 is connected to one end of the second ejector pin 160 away from the first die plate 122, and the second elastic member 150 has an elastic restoring force for pushing the first die plate 122 to move toward a direction approaching the first upper die structure 110.

Before the first upper die structure 110 is not abutted against the first lower die structure 120, since the second elastic member 150 has an elastic restoring force for pushing the first die plate 122 to move towards a direction approaching the first upper die structure 110, the first die plate 122 can move upwards, after the first upper die structure 110 moves towards the first die plate 122 and is abutted against the annular boss 124 through the first upper die plate 111, the first upper die plate 111 can push the first die plate 122 to move downwards so as to push the second ejector pin 160 positioned below the first die plate 122 to move downwards and compress the second elastic member 150, and the force applied by the first upper die plate 111 to the first die plate 122 can be slowed down by arranging the second elastic member 150 so as to play a buffering effect and reduce damage to the first upper die plate 111 and the first die plate 122 due to collision.

Referring to fig. 3 and 4, it can be understood that the semi-shearing station 200 is further included, and the semi-shearing station 200 includes a third driving structure, a second upper die structure 210 and a second lower die structure 220, where the third driving structure is in driving connection with the second upper die structure 210 and can drive the second upper die structure 210 to move up and down; the second lower die structure 220 includes a second lower die plate 221 and a second insert 222, the second lower die plate 221 is provided with a fifth through groove penetrating along the vertical direction, the fifth through groove extends to the top wall of the second lower die plate 221 and forms a second through hole, the size of the second through hole is smaller than that of the bottom wall of the cavity 125, the second insert 222 is arranged in the fifth through groove, and the top end surface of the second insert 222 is located at a height lower than that of the top end surface of the second lower die plate 221; the top end of the second insert 222 is provided with a first receiving groove 223, and the size of the first receiving groove 223 is the same as the size of the first through groove 126.

After the raw material is pressed into a semi-finished product by the extrusion station 100, the product 10 may be placed on the second lower die plate 221 from the extrusion station 100, and the boss structure 12 of the product 10 is located in the fifth through groove, and the boss structure 12 of the product 10 is opposite to the first receiving groove 223, and the third driving structure can drive the second upper die structure 210 to move toward the second lower die structure 220, so that the second upper die structure 210 abuts against the product 10 and presses the product 10 into the fifth through groove, and since the size of the second through hole is smaller than the size of the bottom wall of the cavity 125, and since the top end surface of the second insert 222 is located at a lower height than the top end surface of the second lower die plate 221, the second upper die structure 210 can press the main body structure 11 into the fifth through groove partially to perform a semi-shearing operation on the edge position of the main body structure 11, and since the size of the first receiving groove 223 is the same as the size of the first through hole 127, the boss structure 12 of the product 10 can enter the first receiving groove 223, so as to reduce the influence on the boss structure 12.

Referring to fig. 3 and 4, it can be understood that the second upper die structure 210 includes a second upper die plate 211 and a second stamping part 212, the second upper die plate 211 is provided with a sixth through slot penetrating along a vertical direction, the sixth through slot is located above the second insert 222, the second stamping part 212 slidably penetrates through the sixth through slot, a third abutting surface for abutting against the raw material is provided at a lower end of the second stamping part 212, and a size of the third abutting surface is the same as a size of the fifth through slot.

Specifically, the second stamping part 212 is located directly above the second insert 222, and the size of the third abutting surface at the lower end of the second stamping part 212 is the same as that of the fifth through groove, so as to ensure the stamping stability of the second stamping part 212 on the product 10, so that the second stamping part 212 can partially press the product 10 into the fifth through groove to perform the half-shearing operation on the product 10.

The third driving structure is connected with the second upper die plate 211 and the second stamping part 212, and can drive the second upper die plate 211 and the second stamping part 212 to move independently, the second driving structure drives the second stamping part 212 and the second upper die plate 211 to move downwards at the same time, so that the second upper die plate 211 is abutted with the edge position of the product 10, and then the second driving structure drives the second stamping part 212 to move downwards to press the product 10 for half-shearing operation; the sixth through groove can limit the movable direction of the second stamping part 212, so that the working stability is improved.

Referring to fig. 5 and 6, it can be understood that the fine shearing station 300 is further included, and the fine shearing station 300 includes a fourth driving structure, a third upper die structure 310 and a third lower die structure 320, where the fourth driving structure is in driving connection with the third upper die structure 310 and can drive the third upper die structure 310 to move up and down; the third lower die structure 320 includes a third lower die plate 321 and a third insert 322, the third lower die plate 321 is provided with a seventh through slot penetrating along the vertical direction, the seventh through slot extends to the top wall of the third lower die plate 321) and forms a third through hole, the size of the third through hole is smaller than that of the second through hole, the third insert 322 is arranged in the seventh through slot, and the top end surface of the third insert 322 is located at a height lower than that of the third lower die plate 321; the top end of the third insert 322 is provided with a second receiving groove 323, and the second receiving groove 323 has the same size as the first through hole 127.

After the product 10 is subjected to the half-shearing operation by the half-shearing station 200, the product 10 can be placed on the third lower die plate 321 from the half-shearing station 200, the boss structure 12 of the product 10 is positioned in the seventh through groove, the boss structure 12 of the product 10 is opposite to the second accommodating groove 323, the fourth driving structure can drive the third upper die structure 310 to move towards the third lower die structure 320, so that the third upper die structure 310 is abutted against the product 10 and presses the product 10 into the seventh through groove, the size of the third through hole is smaller than that of the second through hole, and the top end surface of the third insert 322 is positioned at a lower height than that of the top end surface of the third lower die plate 321, the third upper die structure 310 can press the main body structure 11 into the fifth through groove to perform the fine-shearing operation on the edge position of the main body structure 11, and the boss structure 12 of the product 10 can enter the second accommodating groove 323 due to the fact that the size of the second accommodating groove 323 is the same as that of the first through hole 127, so that the influence on the boss structure 12 of the boss structure 12 can be reduced.

Referring to fig. 5 and 6, it can be understood that the third upper die structure 310 includes a third upper die plate 311 and a third stamping part 312, the third upper die plate 311 is provided with an eighth through slot penetrating along a vertical direction, the eighth through slot is located above the third insert 322, the third stamping part 312 slidably penetrates through the eighth through slot, a fourth abutting surface for abutting against a raw material is provided at a lower end of the third stamping part 312, and a size of the fourth abutting surface is the same as a size of the seventh through slot.

Specifically, the third stamping part 312 is located directly above the third insert 322, and the size of the fourth abutting surface at the lower end of the third stamping part 312 is the same as the size of the seventh through groove, so as to ensure the stamping stability of the third stamping part 312 on the product 10, so that the third stamping part 312 can press the product 10 into the seventh through groove partially, and the product 10 is precisely sheared.

The fourth driving structure is connected with the third upper die plate 311 and the third stamping part 312, and can drive the third upper die plate 311 and the third stamping part 312 to move independently, the fourth driving structure drives the third stamping part 312 and the third upper die plate 311 to move downwards at the same time, so that the third upper die plate 311 is abutted with the edge position of the product 10, and then the fourth driving structure drives the third stamping part 312 to move downwards to press the product 10 for fine shearing operation; the direction in which the third stamping 312 can move can be defined by providing the seventh through groove, and the stability of operation can be improved.

Referring to fig. 7 and 8, it can be understood that the blanking station 400 is further included, the blanking station 400 includes a second die plate 420, a fourth upper die structure 410 and a fifth driving structure, the second die plate 420 is provided with a blanking slot 421 penetrating in a vertical direction, the blanking slot 421 extends to a top end surface of the second die plate 420 and forms a blanking port 422, the size of the blanking port 422 is larger than that of the seventh through slot, and a necking structure gradually shrinking upwards is formed at an upper portion of the blanking slot 421; the fourth upper die structure 410 is located above the blanking port 422 and is in driving connection with a fifth driving structure, the fifth driving structure can drive the fourth upper die structure 410 to move up and down, and the fourth upper die structure 410 can be abutted with raw materials.

After the edge positions of the product 10 are sequentially subjected to semi-shearing and fine-shearing operations, the product 10 is pressed downwards through the fifth driving structure to separate the middle part of the product 10 from the edge part, so that the middle part of the product 10 falls from the blanking port 422, and a shrinkage structure which gradually shrinks upwards is formed at the upper part of the blanking groove 421 so as to avoid the contact between the edge part of the product 10 subjected to cutting and the wall surface of the blanking groove 421, and reduce the abrasion of the edge part of the product 10 subjected to cutting.

Specifically, the half-shearing station 200, the fine-shearing station 300 and the blanking station 400 all adopt oil cutting processing edges with the diameter of 0.07 mm.

In the description of the present specification, a description of the terms "one embodiment," "some embodiments," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. High-precision small forging production line, its characterized in that includes:

the extrusion station comprises a first upper die structure, a first lower die structure, a first driving structure and a second driving structure; the first lower die structure comprises a first embedded part, a first die plate and a first lower die plate, wherein an annular boss is arranged at the top end of the first die plate and connected end to end, a concave cavity is defined between the annular boss and the top wall of the first die plate, the first die plate is provided with a first through groove which is arranged in a penetrating manner along the vertical direction, the first through groove extends to the bottom wall of the concave cavity and forms a first through opening, the first lower die plate is provided with a second through groove which is arranged in a penetrating manner along the vertical direction, the first lower die plate is arranged below the first die plate, the second through groove is arranged opposite to the first through groove, the first embedded part slidably penetrates through the first through groove and the second through groove and is in driving connection with the second driving structure, the second driving structure can drive the first embedded part to move up and down, and the top end of the first embedded part is provided with a first abutting surface for abutting against raw materials; the first upper die structure is located above the concave cavity and in driving connection with the first driving structure, the first driving structure can drive the first upper die structure to move up and down, and the first upper die structure can be in butt joint with raw materials.

2. The high-precision small forging and pressing production line according to claim 1, wherein the extrusion station further comprises a first elastic piece and a first ejector pin, the top end of the first ejector pin is connected with the first embedded piece, the first elastic piece is connected with one end, far away from the first embedded piece, of the first ejector pin, and the first elastic piece has an elastic restoring force for pushing the first embedded piece to move towards a direction close to the first upper die structure.

3. The high-precision small forging and pressing production line according to claim 2, wherein the first embedded part comprises a sliding block and a supporting rod, the supporting rod is arranged at the upper end of the sliding block, the first supporting surface is arranged at the top end of the supporting rod, the first lower template is provided with a limiting groove, the limiting groove is communicated with the second through groove, the supporting rod slidably penetrates through the first through groove and the second through groove, and the sliding block is arranged in the limiting groove in an up-down sliding manner and can be in supporting connection with the top wall of the limiting groove; the first elastic piece is connected with the bottom end of the sliding block.

4. The high-precision small forging and pressing production line according to claim 1, wherein the first upper die structure comprises a first upper die plate and a first stamping part, the first upper die plate is provided with a fourth groove penetrating in the vertical direction, the fourth groove is located above the concave cavity, the first stamping part slidably penetrates through the fourth groove, and the lower end of the first stamping part is provided with a second abutting surface for abutting with raw materials.

5. The high-precision small forging and pressing production line according to claim 1, wherein the extrusion station further comprises a second elastic piece and a second ejector pin, the first lower die plate is provided with a third through groove penetrating in the vertical direction, the second ejector pin is slidably arranged in the third through groove in a penetrating mode and is connected with one end of the first die plate, the second elastic piece is connected with one end, away from the first die plate, of the second ejector pin, and the second elastic piece has an elastic restoring force for pushing the first die plate to move towards a direction close to the first upper die structure.

6. The high-precision small forging and pressing production line according to claim 1, further comprising a half-shearing station, wherein the half-shearing station comprises a third driving structure, a second upper die structure and a second lower die structure, and the third driving structure is in driving connection with the second upper die structure and can drive the second upper die structure to move up and down; the second lower die structure comprises a second lower die plate and a second embedded part, wherein a fifth through groove is formed in the second lower die plate in a penetrating mode along the vertical direction, the fifth through groove extends to the top wall of the second lower die plate and forms a second through hole, the size of the second through hole is smaller than that of the bottom wall of the concave cavity, the second embedded part is arranged in the fifth through groove, and the top end face of the second embedded part is located at a height lower than that of the top end face of the second lower die plate; the top of the second embedded piece is provided with a first accommodating groove, and the size of the first accommodating groove is the same as that of the first through groove.

7. The high-precision small forging and pressing production line according to claim 6, wherein the second upper die structure comprises a second upper die plate and a second stamping part, the second upper die plate is provided with a sixth through groove penetrating in the vertical direction, the sixth through groove is located above the second embedded part, the second stamping part slidably penetrates through the sixth through groove, a third abutting surface for abutting with a raw material is arranged at the lower end of the second stamping part, and the size of the third abutting surface is the same as that of the fifth through groove.

8. The high-precision small forging and pressing production line according to claim 7, further comprising a precision shearing station, wherein the precision shearing station comprises a fourth driving structure, a third upper die structure and a third lower die structure, and the fourth driving structure is in driving connection with the third upper die structure and can drive the third upper die structure to move up and down; the third lower die structure comprises a third lower die plate and a third embedded part, wherein a seventh through groove is formed in the third lower die plate in a penetrating mode along the vertical direction, the seventh through groove extends to the top wall of the third lower die plate and forms a third through hole, the size of the third through hole is smaller than that of the second through hole, the third embedded part is arranged in the seventh through groove, and the height of the top end face of the third embedded part is lower than that of the top end face of the third lower die plate; the top end of the third embedded part is provided with a second accommodating groove, and the size of the second accommodating groove is the same as that of the first through hole.

9. The high-precision small forging and pressing production line according to claim 8, wherein the third upper die structure comprises a third upper die plate and a third stamping part, the third upper die plate is provided with an eighth through groove penetrating in the vertical direction, the eighth through groove is located above the third embedded part, the third stamping part slidably penetrates through the eighth through groove, the lower end of the third stamping part is provided with a fourth abutting surface for abutting with a raw material, and the size of the fourth abutting surface is the same as that of the seventh through groove.

10. The high-precision small forging and pressing production line according to claim 9, further comprising a blanking station, wherein the blanking station comprises a second die plate, a fourth upper die structure and a fifth driving structure, the second die plate is provided with a blanking groove which is arranged in a penetrating manner along the vertical direction, the blanking groove extends to the top end face of the second die plate and forms a blanking port, the size of the blanking port is larger than that of the seventh through groove, and the upper part of the blanking groove is provided with a shrinkage structure which is gradually shrunk upwards; the fourth upper die structure is located above the blanking port and in driving connection with the fifth driving structure, the fifth driving structure can drive the fourth upper die structure to move up and down, and the fourth upper die structure can be in butt joint with raw materials.