CN216267811U

CN216267811U - Novel hydraulic press head device

Info

Publication number: CN216267811U
Application number: CN202122542941.6U
Authority: CN
Inventors: 党晖; 王顺钦; 龚甘霖; 曾斌; 朱乐宗
Original assignee: Jiangxi Hongdu Aviation Industry Group Co Ltd
Current assignee: Jiangxi Hongdu Aviation Industry Group Co Ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-12
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses a novel hydraulic press head device, which comprises a machine tool working table, a large bolt and a steel press head, wherein one end of the machine tool working table is connected with an oil cylinder of a hydraulic press, the other end of the machine tool working table is fixedly connected with one end of the steel press head through the large bolt, the novel hydraulic press head device also comprises a cushion block and an inner hexagon bolt, a groove is arranged in the middle of the other end of the steel press head, the cushion block is of a T-shaped boss structure, a protruding part of the T-shaped boss is clamped in the groove at the other end of the steel press head, the plane at the bottom of the protruding part is contacted with the end face at the other end of the steel press head, and the cushion block is fixedly connected with the other end of the steel press head through the inner hexagon bolt; the utility model has the advantages that: the quality of the parts is ensured, the positioning is accurate, and the production period is short.

Description

Novel hydraulic press head device

Technical Field

The utility model belongs to the technical field of machining, and particularly relates to a novel hydraulic press head device.

Background

The pressure head of the existing hydraulic press is schematically shown in figure 1, wherein 1 is a machine tool working table surface and is connected with an oil cylinder of the hydraulic press; 2, a big bolt is used for fixing the pressure head and the working table of the machine tool; and 3, a steel pressure head. This type of hydraulic press is in order to guarantee the transmission of pressure, and whole pressure head has adopted high strength steel, and such design can lead to the hydraulic press pressure head to damage the part surface in panel beating hydroforming course, leads to the part quality not up to standard. In actual production, workers use auxiliary protection methods such as rubber pads for improvement, but the rubber pads cannot be fixed, part rib opening frames can be shielded, positioning is inaccurate, and production efficiency is low.

SUMMERY OF THE UTILITY MODEL

Aiming at the prior art, the utility model aims to overcome the defects in the prior art and adapt to the practical requirements, thereby providing a novel hydraulic press head device which can ensure the effective transmission of pressure, can not scratch the surface of a part, can accurately position, improves the processing efficiency and shortens the production cycle of the part.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a novel hydraulic press pressure head device, includes lathe table surface, big bolt and steel pressure head, lathe table surface one end is connected with the hydro-cylinder of hydraulic press, and the other end passes through big bolt fixed connection with steel pressure head one end, still includes cushion and hexagon socket head cap screw, steel pressure head other end middle part is equipped with the recess, the cushion is a T type boss structure, and the bellying joint of this T type boss is in the recess of the steel pressure head other end, the plane of bellying bottom and the end face contact of the steel pressure head other end to through hexagon socket head cap screw with cushion and steel pressure head other end fixed connection.

Further, the cushion block is a polyurethane cushion block.

Furthermore, the size of the T-shaped boss structure of the cushion block is the same as that of the contact surface of the cushion block and the steel pressure head.

Further, at least one through hole is formed in the outer wall of the protruding portion of the cushion block, at least one counter bore through hole is formed in the inner wall of the left end of the groove in the steel pressure head, and at least one threaded hole is formed in the inner wall of the right end of the groove.

Furthermore, the through hole on the protruding part of the cushion block, the counter sink through hole on the steel pressure head and the threaded hole on the steel pressure head are all coaxial.

Furthermore, the inner hexagon bolt sequentially penetrates through a counter bore through hole in the steel pressure head, a through hole in the cushion bump and a threaded hole in the steel pressure head from left to right to tightly connect the cushion and the steel pressure head.

Furthermore, the aperture of a through hole of a counter bore on the steel pressure head is matched with the outer diameter of a bolt head of the hexagon socket head cap screw, the aperture of a threaded hole on the steel pressure head is matched with the outer diameter of a thread of the hexagon socket head cap screw, and the aperture of a through hole on the cushion block is matched with the outer diameter of the thread of the hexagon socket head cap screw.

Furthermore, the groove on the steel pressure head is a long strip-shaped through groove, the cushion block is a long strip-shaped T-shaped boss, and the boss is matched with the groove.

Further, the total length of the hexagon socket head cap screw is smaller than the total length of the shape structure of the end, provided with the groove, of the steel pressure head.

The utility model innovates the original hydraulic press head structure, one end of the steel press head is provided with a fixed groove, and a polyurethane cushion block is added, one end of the polyurethane cushion block is provided with a bulge, the size of the bulge is matched with that of the groove, the bulge is used for fitting the groove to ensure relative stability, one end of the side wall of the groove of the steel press head is provided with a counter bore through hole, the other end of the side wall of the groove of the steel press head is provided with a threaded hole, the bulge of the polyurethane cushion block is provided with a through hole, and an inner hexagon bolt penetrates through the groove and the hole on the bulge to connect the steel press head and the polyurethane cushion block together.

The utility model has the beneficial effects that:

the part quality is guaranteed: the prior hydraulic forming part is directly contacted with a hard steel pressure head, and the surface of the pressed part is obviously damaged; the improved pressure head is protected by a polyurethane cushion block, is moderate in hardness, cannot damage parts, and ensures quality.

Positioning is accurate: in the past, in order to prevent parts from being crushed, workers manually use rubber pads, the positions needing to be pressed down are firstly found accurately each time, then the rubber pads are covered, and the parts are pressed down according to the estimated positions, so that deviation exists; the falling position of the improved pressure head can be visually seen, and the stress position of the part is ensured.

Production cycle is short: after the improved pressure head is used, the position is not required to be estimated for many times to cover rubber, and the production period of parts is shortened.

The utility model introduces a pressure head with an inner hexagon bolt and a polyurethane cushion block, wherein the lower end part of the pressure head is provided with a groove for installing the polyurethane cushion block, and the polyurethane cushion block is fixed by the inner hexagon bolt. Because the polyurethane material is moderate in hardness, the effective transmission of pressure can be ensured, and the surface of the part can not be scratched. The cushion block is fixed in position, so that the positioning can be accurately realized, the machining efficiency is improved, and the production period of parts is shortened.

Drawings

FIG. 1 is a schematic structural diagram of a pressure head of a conventional hydraulic press;

in fig. 1: 1 is a machine tool working table, 2 is a big bolt, and 3 is a steel pressure head;

FIG. 2 is a schematic structural view of the present invention;

in fig. 2: 1 is a machine tool working table, 2 is a big bolt, 3 is a steel pressure head, 4 is a cushion block, and 5 is an inner hexagon bolt;

FIG. 3 is a perspective view of the steel indenter of the present invention;

in fig. 3: 6 is a counter bore through hole, and 7 is a threaded hole;

fig. 4 is a perspective view of the spacer of the present invention.

In fig. 4: and 8 is a through hole.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected," "provided," "clamped," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Furthermore, the terms "upper", "lower", "left", "right", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

Examples

As shown in fig. 2 to 4, the utility model provides a novel hydraulic press head device, which comprises a machine tool working table 1, a large bolt 2 and a steel press head 3, wherein one end of the machine tool working table 1 is connected with an oil cylinder of a hydraulic press, the other end of the machine tool working table is fixedly connected with one end of the steel press head 3 through the large bolt 2, the novel hydraulic press head device further comprises a cushion block 4 and an inner hexagon bolt 5, a groove is formed in the middle of the other end of the steel press head 3, the cushion block 4 is of a T-shaped boss structure, a protruding portion of the T-shaped boss is clamped in the groove at the other end of the steel press head 3, a plane at the bottom of the protruding portion is in contact with the end face at the other end of the steel press head 3, and the cushion block 4 is fixedly connected with the other end of the steel press head 3 through the inner hexagon bolt 5.

Preferably, the cushion block 4 is a polyurethane cushion block, and the polyurethane material is moderate in hardness, so that the effective transmission of pressure can be ensured, and the surface of a part is not scratched.

Preferably, the size of the cushion block 4T-shaped boss structure is the same as that of the contact surface of the cushion block 4 and the steel pressure head 3.

Preferably, the outer wall of the protruding part on the cushion block 4 is at least provided with a through hole 8, the inner wall of the left end of the groove on the steel pressure head 3 is at least provided with a counter bore through hole 6, and the inner wall of the right end of the groove is at least provided with a threaded hole 7.

Preferably, the through hole 8 on the protruding portion of the cushion block 4, the counter sink through hole 6 on the steel pressure head 3 and the threaded hole 7 on the steel pressure head 3 are coaxial, and the center lines of the through hole 8, the counter sink through hole 6 and the threaded hole 7 are all located at the same horizontal height.

Preferably, the hexagon socket head cap screw 5 passes through a counter bore through hole 6 on the steel pressure head 3, a through hole 8 on the protruding portion of the cushion block 4 and a threaded hole 7 on the steel pressure head 3 from left to right in sequence to fasten the cushion block 4 and the steel pressure head 3, and the bolt head of the hexagon socket head cap screw 5 is positioned in the counter bore through hole 6.

Preferably, the diameter of a through hole 6 of a counter bore on the steel pressure head 3 is matched with the outer diameter of a bolt head of the hexagon socket head cap screw 5, the diameter of a threaded hole 7 on the steel pressure head 3 is matched with the outer diameter of a thread of the hexagon socket head cap screw 5, and the diameter of a through hole 8 on the cushion block 4 is matched with the outer diameter of the thread of the hexagon socket head cap screw 5.

Preferably, the groove on the steel pressure head 3 is a long strip-shaped through groove, the cushion block 4 is a long strip-shaped T-shaped boss, and the boss is matched with the groove.

Preferably, the total length of the hexagon socket head cap screw 5 is less than the total length of the profile structure of the end of the steel pressure head 3 provided with the groove.

The utility model has innovated the pressure head of the original hydraulic press, the other end of the steel pressure head 3 has been opened the fixed recess, and increased a polyurethane cushion 4, there are projections on the polyurethane cushion 4, the size of the projection and recess is assorted, used for fitting the recess, guarantee the relative position is stable, there are countersunk hole through holes 6 on the sidewall of one end of recess of the steel pressure head 3, there are screwed holes 7 on the sidewall of the other end, the projection of the polyurethane cushion 4 corresponds to the position and also opens the through hole 8 with the same size, the hexagon socket head cap screw 5 passes the recess and hole of the projection, link the steel pressure head 3 and polyurethane cushion 4 together, has guaranteed the stability of the position of the polyurethane cushion 4. The pressure head is used in cooperation with a hydraulic machine, so that the part processing period is shortened and the part quality is ensured in the sheet metal hydroforming processing.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. The utility model provides a novel hydraulic press pressure head device, includes lathe table surface (1), big bolt (2) and steel pressure head (3), lathe table surface (1) one end is connected with the hydro-cylinder of hydraulic press, and big bolt (2) fixed connection, its characterized in that are passed through to the other end and steel pressure head (3) one end: the steel pressure head structure is characterized by further comprising a cushion block (4) and an inner hexagon bolt (5), a groove is formed in the middle of the other end of the steel pressure head (3), the cushion block (4) is of a T-shaped boss structure, a boss of the T-shaped boss is clamped in the groove of the other end of the steel pressure head (3), the plane of the bottom of the boss is in end face contact with the other end of the steel pressure head (3), and the cushion block (4) and the other end of the steel pressure head (3) are fixedly connected through the inner hexagon bolt (5).

2. The new ram assembly of a hydraulic press as claimed in claim 1, wherein: the cushion block (4) is a polyurethane cushion block.

3. The new ram assembly of a hydraulic press as claimed in claim 1, wherein: the size of the T-shaped boss structure of the cushion block (4) is the same as that of the contact surface of the cushion block (4) and the steel pressure head (3).

4. The new ram assembly of a hydraulic press as claimed in claim 1, wherein: the steel pressure head is characterized in that at least one through hole (8) is formed in the outer wall of the protruding portion on the cushion block (4), at least one counter bore through hole (6) is formed in the inner wall of the left end of the groove in the steel pressure head (3), and at least one threaded hole (7) is formed in the inner wall of the right end of the groove.

5. The new ram assembly of a hydraulic press as claimed in claim 4, wherein: and the through hole (8) on the boss of the cushion block (4), the counter sink through hole (6) on the steel pressure head (3) and the threaded hole (7) on the steel pressure head (3) are coaxial.

6. The new ram assembly of a hydraulic press as claimed in claim 4, wherein: and the inner hexagon bolt (5) sequentially penetrates through a counter bore through hole (6) in the steel pressure head (3), a through hole (8) in the boss of the cushion block (4) and a threaded hole (7) in the steel pressure head (3) from left to right to tightly connect the cushion block (4) and the steel pressure head (3).

7. The new ram assembly of a hydraulic press as claimed in claim 4, wherein: the steel pressure head is characterized in that the diameter of a counter bore through hole (6) in the steel pressure head (3) is matched with the outer diameter of a bolt head of an inner hexagonal bolt (5), the diameter of a threaded hole (7) in the steel pressure head (3) is matched with the outer diameter of a thread of the inner hexagonal bolt (5), and the diameter of a through hole (8) in the cushion block (4) is matched with the outer diameter of the thread of the inner hexagonal bolt (5).

8. The new ram assembly of a hydraulic press as claimed in claim 1, wherein: the groove on the steel pressure head (3) is a strip-shaped through groove, the cushion block (4) is a strip-shaped T-shaped boss, and the boss is matched with the groove.

9. The new ram assembly of a hydraulic press as claimed in claim 1, wherein: the total length of the inner hexagon bolt (5) is less than the total length of the shape structure of the end, provided with the groove, of the steel pressure head (3).