CN110842087A - Cylinder driving type side shaping lower die mechanism - Google Patents

Abstract

The invention discloses a cylinder driving type side shaping lower die mechanism which is arranged on a lower die seat of a stamping die and comprises: the device comprises a driving assembly, a side finishing assembly and an auxiliary driving assembly; the driving assembly comprises a driving insert body, a first cylinder, a second cylinder, a first guide plate, a second guide plate, a first inclined guide plate, a third guide plate, a first inclined wedge cover plate, a first inclined wedge limiting block and the like; the side integral assembly comprises a side integral insert body, a fourth guide plate, a fifth guide plate, a second inclined wedge cover plate, a second inclined wedge limiting block, a side integral insert limiting block and the like; the auxiliary driving assembly comprises a third air cylinder and the like. Compared with the conventional upper die driving structure, the whole mechanism has the advantages of stable movement process, difficulty in occurrence of phenomena of unsmooth movement or over-violent movement of the mechanism, prolonged service life of the die and easiness in guarantee of the quality of part products. Moreover, the mechanism has strong applicability and can be matched with various different process arrangements for use.

Description

Cylinder driving type side shaping lower die mechanism

Technical Field

The invention relates to the technical field of stamping dies or other machine manufacturing fields, in particular to a cylinder driving type side shaping lower die mechanism.

Background

When the process arrangement is carried out on certain mould items, the process of some steps needs to have the contents of side shaping and trimming or punching. The conventional upper die driving type wedge die cannot arrange trimming and punching work contents on one side where the driving block is located, the lower die part of the conventional upper die driving type wedge die uses a nitrogen spring as a force source, and due to the fact that the impact force of the nitrogen spring is large, if deviation exists in calculation when the nitrogen spring is selected, the phenomenon that the lower die seat is blocked due to insufficient force or overlarge force when the lower die driving pulley returns easily occurs, and the phenomenon that the service life of the lower die seat is greatly reduced due to overlarge force and overlarge impact force also occurs.

Therefore, a brand new structure is needed to replace the conventional upper die driving structure, which can meet the requirement of process arrangement and prolong the service life of the die.

Disclosure of Invention

Therefore, the invention aims to provide a cylinder-driven side shaping lower die mechanism, which realizes the movement of a side shaping wedge lower die part by using the cylinder movement, and the specific technical scheme is as follows:

the utility model provides a cylinder drive formula side plastic lower die mechanism settles on stamping die's die holder, includes: the device comprises a driving assembly, a side finishing assembly and an auxiliary driving assembly;

the driving assembly comprises a driving insert body, a first cylinder and a second cylinder, a first guide plate, a second guide plate and a first inclined guide plate are mounted on the driving insert body, the first guide plate is in sliding fit with a lower die insert mounted on the lower die base, the second guide plate is mounted on two sides of the driving insert body in the axial direction and is in sliding fit with the lower die base body of the lower die base, and the first inclined guide plate is in sliding fit with a fourth guide plate and the second inclined guide plate in the side finishing assembly; a third guide plate, a first wedge cover plate and a first wedge limiting block are mounted on the lower die holder body, the third guide plate is in sliding fit with the driving insert body, the first wedge cover plate is in sliding fit with the driving insert body, and the first wedge limiting block is used for movably limiting the driving insert body; the first cylinder and the second cylinder are mounted on the lower die holder body and distributed at two ends of the driving insert body in the axial direction, the motion states of the first cylinder and the second cylinder are just opposite, and the first cylinder and the second cylinder transmit the cylinder force to the driving insert body through ejection and retraction;

the side integral assembly comprises a side integral insert body, the side integral insert body is provided with a fourth guide plate, a fifth guide plate and a second inclined guide plate, the fifth guide plate is in sliding fit with a lower die insert arranged on the lower die base, and the fourth guide plate and the second inclined guide plate are in sliding fit with the first inclined guide plate and are used for transmitting the driving force of the driving assembly; the lower die holder body is provided with a second inclined wedge cover plate, a second inclined wedge limiting block and a side integral insert limiting block, the second inclined wedge cover plate is in sliding fit with the side integral insert body, the second inclined wedge limiting block is used for return limiting of the side integral insert body, and the side integral insert limiting block is used for working limiting of the side integral insert body;

the auxiliary driving assembly comprises a third air cylinder, and the third air cylinder is matched and connected with the whole side insert body and provides auxiliary power for the whole side assembly;

when the cylinder driving type side shaping lower die mechanism is in a working state, the first cylinder and the third cylinder are ejected out, and the second cylinder is retracted; in a return stroke state, the first cylinder and the third cylinder are retracted, and the second cylinder is ejected out.

The mechanism needs to be arranged on a lower die of a stamping die, and a first air cylinder and a second air cylinder in a driving assembly are used as main force sources in the motion process of the whole mechanism; a third cylinder of the auxiliary driving assembly is matched and connected with the side integral insert body, so that the auxiliary driving assembly can provide auxiliary power for the movement of the side integral assembly; the whole mechanism is switched between the working state and the return state through the ejection and retraction of the air cylinder.

Compared with the conventional upper die driving structure, the whole mechanism has the advantages of stable movement process, difficulty in occurrence of phenomena of unsmooth movement or over-violent movement of the mechanism, prolonged service life of the die and easiness in guarantee of the quality of part products. Moreover, the mechanism has strong applicability and can be matched with various different process arrangements for use.

On the basis of the technical scheme, the invention can be improved as follows:

preferably, the lower die holder body is provided with a first cylinder mounting plate, and the first cylinder and the second cylinder are both connected with the lower die holder body through the first cylinder mounting plate; the driving insert is characterized in that a first hollow cylinder connecting plate is mounted on the driving insert body, and the first cylinder and the second cylinder are connected with the first cylinder connecting plate through a first cylinder joint, so that the transmission of cylinder force is realized.

Preferably, the small end of the first cylinder joint is fixed on the first cylinder and the second cylinder, and the large end of the first cylinder joint is placed in a vacant position in the first cylinder connecting plate; in the process of ejecting the cylinder, the first cylinder joint props against the first cylinder connecting plate to transmit the cylinder force to the driving insert body; and in the process of withdrawing the air cylinder, the large end of the first air cylinder joint is hung on the first air cylinder connecting plate, so that the air cylinder force is transmitted to the driving insert body.

Preferably, a first anti-loosening clamping plate is fixed on the first air cylinder connector and used for preventing the first air cylinder connector from loosening with the first air cylinder and the second air cylinder.

Preferably, a second cylinder connecting plate is mounted on the side integral insert body, one end, far away from the side integral insert body, of the second cylinder connecting plate is U-shaped, and the third cylinder is connected with the U-shaped end of the second cylinder connecting plate in a matched manner through the second cylinder joint, so that the transmission of the cylinder force is realized; and a second cylinder mounting plate is mounted on the lower die holder body, and the third cylinder is connected with the lower die holder body through the second cylinder mounting plate.

Preferably, a second anti-loosening clamping plate is fixed on the second cylinder joint and used for preventing the second cylinder joint and the third cylinder from loosening.

Preferably, the ejection action of the third cylinder is earlier than the ejection action of the first cylinder and the retraction action of the second cylinder, and the retraction action of the third cylinder is later than the retraction action of the first cylinder and the ejection action of the second cylinder, so that the minimum resistance is ensured when the driving assembly and the side assembly move relative to each other.

Preferably, a concave V guide plate is installed on the whole lateral insert block body, a convex V guide plate is installed on the lower die base body, and the concave V guide plate is in sliding fit with the convex V guide plate and used for accurately positioning reciprocating motion between the whole lateral insert block and the lower die insert block.

Preferably, the first air cylinder, the second air cylinder and the third air cylinder are driven to move by using an air source of a machine tool.

Preferably, the driving insert body and the side shaping insert body are respectively provided with an induction surface so as to realize the automatic control of the cylinder driving type side shaping lower die mechanism.

Preferably, except for a casting, a cylinder connecting plate, a cylinder mounting plate and the like, other parts of the mechanism have corresponding industrial standards, and the mechanism is easy to purchase and manufacture.

By adopting the technical scheme, compared with the prior art, the invention has the beneficial effects that: the structure is compact, the process arrangement can be optimized, and the number of stamping dies is reduced; the assembly and disassembly are convenient and quick; the movement process is simple and is not easy to make mistakes; the processing and manufacturing manufacturability is good, and the manufacturing precision is easy to guarantee; the repeated positioning precision is high, and the dimensional stability of the part is ensured; the motion process is steady, can not cause the damage to the mould body.

Meanwhile, the mechanism of the invention also has the following advantages: the cost of the die and the tooling is reduced; easy operation and easy processing; the manufacturing precision is easy to guarantee; the batch production precision is high; professional standardization is easy to realize; the life of the mold is increased.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is an isometric view of a cylinder driven side reforming lower die mechanism of the invention.

Fig. 2 is an axonometric view of a driving component in the cylinder driving type side reshaping lower die mechanism.

FIG. 3 is a left side view of a side shaping assembly in the cylinder-driven side shaping lower die mechanism according to the invention.

FIG. 4 is an isometric view of a side shaping assembly in the cylinder-driven side shaping lower die mechanism of the invention.

FIG. 5 is an isometric view of an auxiliary drive assembly in the cylinder driven side reforming lower die mechanism of the present invention.

Fig. 6 is a perspective view of the working state of the cylinder driving type side reshaping lower die mechanism.

Fig. 7 is a return state axonometric view of a cylinder driving type side shaping lower die mechanism of the invention.

Fig. 8 is a drawing illustrating an application of a cylinder-driven side-shaping lower die mechanism in a die according to the present invention.

Fig. 9 is an enlarged schematic view of fig. 8 at a.

Wherein, in the figure,

100-a drive assembly for the drive unit,

101-driving insert body, 102-first cylinder, 103-second cylinder, 104-first guide plate, 105-second guide plate, 106-first inclined guide plate, 107-third guide plate, 108-first inclined wedge cover plate, 109-first inclined wedge limiting block, 110-first cylinder mounting plate, 111-first cylinder connecting plate, 112-first cylinder joint and 113-first anti-loosening clamping plate;

200-the whole assembly is arranged on the side,

201-side whole insert body, 202-fourth guide plate, 203-fifth guide plate, 204-second inclined guide plate, 205-second inclined wedge cover plate, 206-second inclined wedge limiting block, 207-side whole insert limiting block, 208-second cylinder connecting plate, 209-concave V guide plate and 210-convex V guide plate;

300-the auxiliary drive assembly or assemblies are,

301-third cylinder, 302-second cylinder joint, 303-second cylinder mounting plate, 304-second anti-loose clamping plate.

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 invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed 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, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated 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 formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. 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.

Example (b):

a cylinder-driven side reforming lower die mechanism according to an embodiment of the present invention will be described in detail below with reference to fig. 1 to 9.

The embodiment of the invention discloses a cylinder-driven side shaping lower die mechanism which is arranged on a lower die seat of a stamping die and realizes the movement of a side shaping wedge lower die part by utilizing the movement of a cylinder.

As shown in fig. 1, the cylinder-driven side reforming lower die mechanism of the present invention includes three major parts, namely, a driving assembly 100, a side reforming assembly 200, and an auxiliary driving assembly 300.

In particular, the method comprises the following steps of,

as shown in fig. 2, the driving assembly 100 includes a driving insert body 101, a first cylinder 102 and a second cylinder 103, a first guide plate 104, a second guide plate 105 and a first inclined guide plate 106 are fixedly mounted on the driving insert body 101 through screws, the first guide plate 104 is in sliding fit with a lower die insert mounted on a lower die holder, the second guide plate 105 is mounted on two sides of the driving insert body 101 in the axial direction and is in sliding fit with the lower die holder body of the lower die holder, and the first inclined guide plate 106 is in sliding fit with a fourth guide plate 202 and a second inclined guide plate 204 in the side assembly 200.

The size of the driving insert body 101 can be freely set according to requirements; the first guide plate 104, the second guide plate 105 and the first inclined guide plate 106 are selected according to the requirement.

A third guide plate 107, a first wedge cover plate 108 and a first wedge limiting block 109 are fixedly mounted on the lower die holder body through screws, the third guide plate 107 is in sliding fit with the driving insert body 101, the first wedge cover plate 108 is in sliding fit with the driving insert body 101, and the first wedge limiting block 109 is used for limiting the movement of the driving insert body 101.

The third guide plate 107, the first wedge cover plate 108 and the first wedge limiting block 109 are selected according to the industry standard.

The first air cylinder 102 and the second air cylinder 103 are mounted on the lower die base body and distributed at two ends of the driving insert body 101 in the axial direction, the moving states of the first air cylinder 102 and the second air cylinder 103 are just opposite, the first air cylinder 102 and the second air cylinder 103 transmit air cylinder force to the driving insert body 101 through ejection and retraction, namely, when the first air cylinder 102 is in an ejection state, the second air cylinder 103 is in a retraction state, when the first air cylinder 102 is in a retraction state, the second air cylinder 103 is in an ejection state, and the opposite moving states of the air cylinders ensure that the directions of the forces acting on the driving insert body 101 are consistent.

Further, a first air cylinder mounting plate 110 is fixedly mounted on the lower die base body through a screw, and the first air cylinder 102 and the second air cylinder 103 are both connected with the lower die base body through the first air cylinder mounting plate 110; the driving insert body 101 is fixedly provided with a hollow first cylinder connecting plate 111 through a screw, and the first cylinder 102 and the second cylinder 103 are connected with the first cylinder connecting plate 111 through a first cylinder joint 112, so that the transmission of cylinder force is realized.

Further, the small end of the first cylinder joint 112 is fixed to the first cylinder 102 and the second cylinder 103, and the large end of the first cylinder joint 112 is placed in a vacant position in the first cylinder connecting plate 111, and it is ensured that the first cylinder joint 112 is not separated from the first cylinder connecting plate 111 during the movement.

In the process of ejecting the cylinder, the first cylinder joint 112 props against the first cylinder connecting plate 111 to transmit the cylinder force to the driving insert body 101; in the process of cylinder retraction, the large end of the first cylinder joint 112 is hung on the first cylinder connecting plate 111, and the cylinder force is transmitted to the driving insert body 101.

The first cylinder joint 112 is further fixed with a first anti-loosening clamping plate 113 for preventing the first cylinder joint 112 from loosening from the first cylinder 102 and the second cylinder 103.

The first cylinder 102 and the second cylinder 103 are selected according to the industry standard.

As shown in fig. 3-4, the side assembly 200 includes a side insert body 201, a fourth guide plate 202, a fifth guide plate 203 and a second inclined guide plate 204 are fixedly mounted on the side insert body 201 through screws, the fifth guide plate 203 is in sliding fit with a lower die insert mounted on a lower die holder, and the fourth guide plate 202 and the second inclined guide plate 204 are in sliding fit with the first inclined guide plate 106 for transmitting the driving force of the driving assembly 100.

The size of the side-integrated insert body 201 can be freely set according to requirements, and the fourth guide plate 202, the fifth guide plate 203 and the second inclined guide plate 204 adopt industry standards according to requirements.

The lower die base body is fixedly provided with a second inclined wedge cover plate 205, a second inclined wedge limiting block 206 and a side integral insert limiting block 207 through screws, the second inclined wedge cover plate 205 is in sliding fit with the side integral insert body 201, the second inclined wedge limiting block 206 is used for return limiting of the side integral insert body 201, and the side integral insert limiting block 207 is used for work limiting of the side integral insert body 201.

The second wedge cover plate 205 and the second wedge limiting block 206 are in accordance with the industry standard.

Further, a concave V guide plate 209 is fixedly mounted on the side integral insert body 201 through a screw, a convex V guide plate 210 is fixedly mounted on the lower die holder body through a screw, and the concave V guide plate 209 is in sliding fit with the convex V guide plate 210 and used for accurately positioning reciprocating motion between the side integral assembly 200 and the lower die insert.

The concave V-guide 209 and the convex V-guide 210 are selected according to the requirements.

As shown in fig. 5, the auxiliary driving assembly 300 includes a third cylinder 301, and the third cylinder 301 is connected to the side trimming insert body 201 in a matching manner to provide auxiliary power for the side trimming assembly 200.

Further, a second cylinder connecting plate 208 is fixedly mounted on the side insert body 201 through a screw, one end, away from the side insert body 201, of the second cylinder connecting plate 208 is U-shaped, and a third cylinder 301 is connected with the U-shaped end of the second cylinder connecting plate 208 through a second cylinder joint 302 in a matched mode, so that transmission of cylinder force is achieved. A second cylinder mounting plate 303 is fixedly mounted on the lower die holder body through a screw, and the third cylinder 301 is connected with the lower die holder body through the second cylinder mounting plate 303.

A second anti-loosening clamping plate 304 is further fixed on the second cylinder joint 302 and used for preventing the second cylinder joint 302 and the third cylinder 301 from loosening.

The third cylinder 301 is selected according to the industry standard.

The first air cylinder 102, the second air cylinder 103 and the third air cylinder 301 are driven to move by using an air source of the machine tool.

It should be noted that the ejecting action of the third cylinder 301 is earlier than the ejecting action of the first cylinder 102 and the retracting action of the second cylinder 103, and the retracting action of the third cylinder 301 is later than the retracting action of the first cylinder 102 and the ejecting action of the second cylinder 103, so as to ensure the minimum resistance when the driving assembly 100 and the lower mold side assembly 200 move relative to each other.

In order to further optimize the above technical solution, if the mechanism of the present invention is used in an automated mold, the sensing surface positions should be respectively disposed on the driving insert body 101 and the side-trim insert body 201.

As shown in fig. 6 to 7, the cylinder-driven side reforming lower die mechanism of the present invention has two stationary states: working state and return state. In the working state, the first cylinder 102 and the third cylinder 301 are ejected, and the second cylinder 103 is retracted; in the return stroke state, the first cylinder 102 and the third cylinder 301 are retracted, and the second cylinder 103 is ejected.

The first cylinder 102 and the second cylinder 103 in the driving assembly 100 are used as main force sources in the whole mechanism movement process; the second cylinder joint 302 of the auxiliary driving assembly 300 is matched with the second cylinder connecting plate 208 of the side integral assembly 200, so that the auxiliary driving assembly 300 can provide auxiliary power for the movement of the side integral assembly 200; the whole mechanism is switched between the working state and the return state through the ejection and retraction of the air cylinder.

As shown in fig. 6-9, the specific working process of the cylinder-driven side-shaping lower die mechanism of the present invention is as follows:

(1) and after the die is installed on the machine tool, all the parts of the upper die move upwards to the highest point along with the upper sliding block of the machine tool, and the die stamping preparation is completed. The mechanism is in the return state at this time: the first cylinder 102 in the driving assembly 100 and the third cylinder 301 in the auxiliary driving assembly 300 are in a retracting state, and the second cylinder 103 in the driving assembly 100 is in an ejecting state.

(2) And placing the workpiece in the pre-stamping process to a lower die, and positioning by means of the molded surface of the die, the positioning pin and the positioning plate.

(3) The first air cylinder 102 in the driving assembly 100 and the third air cylinder 301 in the auxiliary driving assembly 300 move to an ejection state and the second air cylinder 103 in the driving assembly 100 moves to a retraction state under the automatic control or manual control of a computer; at this time, the driving insert body 101 moves towards the direction of the second cylinder 103 under the combined action of the first cylinder 102 and the second cylinder 103, the side integral insert body 201 moves to the maximum position along the set direction under the combined action of the driving assembly 100 and the third cylinder 301, the first inclined guide plate 106 of the driving assembly 100 is attached to the second inclined guide plate 204 of the side integral assembly 200, and the whole mechanism is in a working state.

(4) When all the components of the mechanism move, the machine tool slide block moves downwards under the automatic control or manual control of a computer, and meanwhile, all the components of the mechanism are ensured to finish moving before all the components of the upper die and the lower die contact.

(5) The upper die part of the die descends along with the machine tool slide block, and other parts of the upper die continue to descend along with the machine tool slide block after the pressing piece device is attached to the lower die and reaches the bottom dead center position.

(6) And as other parts of the upper die continue to move downwards along with the bed sliding block, the upper die wedge part is contacted with the lower die guide plate, the upper die wedge moves along the side shaping direction, the other parts of the upper die continue to move downwards, the upper die sliding block moves to a bottom dead center, and the side shaping is completed.

(7) The machine tool slide block ascends and the upper die ascends along with the slide block.

(8) After the piece presser and the lower die are separated by a certain distance, the air source of the machine tool is automatically controlled or manually controlled by a computer to enable the first air cylinder 102 in the driving assembly 100 to move to a retracting state and the second air cylinder 103 in the driving assembly 100 to move to an ejecting state, and then the third air cylinder 301 in the auxiliary driving assembly 300 is controlled to move to the retracting state; so that the side-finishing insert body 201 moves to a return stroke state, and the stamping working procedure piece is in a supporting barrier-free state. At which point the entire mechanism returns to the return position.

(9) And the die lower die supporting device jacks up the stamping process piece, and then the workpiece is taken out by a mechanical arm or an operator, so that one working cycle of the die is completed.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a cylinder drive formula side plastic lower die mechanism settles on stamping die's die holder, its characterized in that includes: a drive assembly (100), a sidecar assembly (200) and an auxiliary drive assembly (300);

the driving assembly (100) comprises a driving insert body (101), a first air cylinder (102) and a second air cylinder (103), a first guide plate (104), a second guide plate (105) and a first inclined guide plate (106) are mounted on the driving insert body (101), the first guide plate (104) is in sliding fit with a lower die insert mounted on the lower die holder, the second guide plate (105) is mounted on two sides of the driving insert body (101) in the axial direction and is in sliding fit with the lower die holder body of the lower die holder, and the first inclined guide plate (106) is in sliding fit with a fourth guide plate (202) and a second inclined guide plate (204) in the side integral assembly (200); a third guide plate (107), a first wedge cover plate (108) and a first wedge limiting block (109) are mounted on the lower die holder body, the third guide plate (107) is in sliding fit with the driving insert body (101), the first wedge cover plate (108) is in sliding fit with the driving insert body (101), and the first wedge limiting block (109) is used for movably limiting the driving insert body (101); the first air cylinder (102) and the second air cylinder (103) are mounted on the lower die holder body and distributed at two ends of the driving insert body (101) in the axial direction, the motion states of the first air cylinder (102) and the second air cylinder (103) are opposite, and the first air cylinder (102) and the second air cylinder transmit the air cylinder force to the driving insert body (101) through ejection and retraction;

the side integral assembly (200) comprises a side integral insert body (201), the side integral insert body (201) is provided with a fourth guide plate (202), a fifth guide plate (203) and a second inclined guide plate (204), the fifth guide plate (203) is in sliding fit with a lower die insert arranged on the lower die base, and the fourth guide plate (202) and the second inclined guide plate (204) are in sliding fit with the first inclined guide plate (106) and are used for transmitting the driving force of the driving assembly (100); a second inclined wedge cover plate (205), a second inclined wedge limiting block (206) and a side whole insert limiting block (207) are mounted on the lower die base body, the second inclined wedge cover plate (205) is in sliding fit with the side whole insert body (201), the second inclined wedge limiting block (206) is used for return limiting of the side whole insert body (201), and the side whole insert limiting block (207) is used for working limiting of the side whole insert body (201);

the auxiliary driving assembly (300) comprises a third air cylinder (301), and the third air cylinder (301) is matched and connected with the side integral insert body (201) to provide auxiliary power for the side integral assembly (200);

when the cylinder-driven side shaping lower die mechanism is in a working state, the first cylinder (102) and the third cylinder (301) are ejected out, and the second cylinder (103) is retracted; in a return stroke state, the first cylinder (102) and the third cylinder (301) retract, and the second cylinder (103) ejects.

2. The cylinder-driven side sizing lower die mechanism according to claim 1, wherein a first cylinder mounting plate (110) is mounted on the lower die base body, and the first cylinder (102) and the second cylinder (103) are both connected with the lower die base body through the first cylinder mounting plate (110); the driving insert body (101) is provided with a hollow first cylinder connecting plate (111), and the first cylinder (102) and the second cylinder (103) are connected with the first cylinder connecting plate (111) through a first cylinder joint (112) to realize transmission of cylinder force.

3. The cylinder-driven side sizing lower die mechanism according to claim 2, wherein a small end of the first cylinder joint (112) is fixed to the first cylinder (102) and the second cylinder (103), and a large end of the first cylinder joint (112) is placed in a vacant position in the first cylinder connecting plate (111); in the process of ejecting the air cylinder, the air cylinder connector (112) props against the first air cylinder connecting plate (111) to transmit air cylinder force to the driving insert body (101); and in the process of withdrawing the air cylinder, the large end of the first air cylinder joint (112) is hung on the first air cylinder connecting plate (111), and the air cylinder force is transmitted to the driving insert body (101).

4. The cylinder-driven side sizing lower die mechanism according to claim 3, wherein a first anti-loosening clamping plate (113) is fixed to the first cylinder joint (112) and used for preventing the first cylinder joint (112) from loosening with the first cylinder (102) and the second cylinder (103).

5. The cylinder-driven side shaping lower die mechanism according to claim 1, wherein a second cylinder connecting plate (208) is mounted on the side shaping insert body (201), one end of the second cylinder connecting plate (208) away from the side shaping insert body (201) is U-shaped, and the third cylinder (301) is in fit connection with the U-shaped end of the second cylinder connecting plate (208) through the second cylinder joint (302), so that the transmission of cylinder force is realized; and a second air cylinder mounting plate (303) is mounted on the lower die holder body, and the third air cylinder (301) is connected with the lower die holder body through the second air cylinder mounting plate (303).

6. The cylinder-driven side sizing lower die mechanism according to claim 5, wherein a second anti-loosening clamping plate (304) is fixed on the second cylinder joint (302) and used for preventing the second cylinder joint (302) from loosening from the third cylinder (301).

7. The cylinder-driven side sizing lower die mechanism according to claim 1, wherein the third cylinder (301) has an ejection operation earlier than the first cylinder (102) and the second cylinder (103), and the third cylinder (301) has a retraction operation later than the first cylinder (102) and the second cylinder (103).

8. The cylinder-driven side sizing lower die mechanism according to claim 1, wherein a concave V guide plate (209) is mounted on the side sizing insert body (201), a convex V guide plate (210) is mounted on the lower die holder body, and the concave V guide plate (209) is in sliding fit with the convex V guide plate (210) for precise positioning of reciprocating motion between the side sizing assembly (200) and the lower die insert.

9. The cylinder-driven side sizing lower die mechanism according to claim 1, wherein the first cylinder (102), the second cylinder (103), and the third cylinder (301) are driven to move using an air supply of a machine tool.

10. The cylinder-driven side trimming lower die mechanism according to any one of claims 1 to 9, wherein the driving insert body (101) and the side trimming insert body (201) are respectively provided with a sensing surface, so as to realize automatic control of the cylinder-driven side trimming lower die mechanism.

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