CN215467355U

CN215467355U - Toggle type punching machine mechanism with stretching stability

Info

Publication number: CN215467355U
Application number: CN202121786990.8U
Authority: CN
Inventors: 秦勇其; 高波; 李孟浩; 王震昊; 袁新春
Original assignee: Ningde Zhenyu Auto Parts Co ltd
Current assignee: Ningde Zhenyu Auto Parts Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-01-11
Anticipated expiration: 2031-08-03

Abstract

A toggle type punching machine mechanism with stretching stability comprises a strip-shaped bottom block, a strip-shaped hole, a rectangular sliding block, an oil cylinder, a connecting rod, an elbow arm, a first connecting block, a traction block, a square plate, a guide column, an L-shaped plate, a punching head, a screw, a rectangular groove, a U-shaped sliding block, a second connecting block, a lower pressing column, a motor and a screw groove group. The utility model has reasonable design, the operation oil cylinder is in an extension state, one end of the toggle arm can be lowered and the other end can be lifted under the action of the fulcrum assembly, the connected lower pressing column can be conveniently moved down by utilizing the formed lever force, the effect of one-time stamping by the stamping head is achieved, the stamping head is stably stretched, the quality of a stamped product is improved, the connected first connecting block is fixedly connected with each other through the bolt and the screw hole groove group, the fulcrum position is convenient to replace, the stamping pressure degree is favorably adjusted, and the stability of the integral lower pressing movement is ensured by connecting the lower pressing column provided with the stamping head with the square plate through the four guide columns in a sliding way.

Description

Toggle type punching machine mechanism with stretching stability

Technical Field

The utility model relates to the technical field of punching, in particular to a toggle type punching machine mechanism with stretching stability.

Background

The stamping is a forming method in which a press and a die are used to apply external force to a plate, a strip, a pipe, a profile and the like to cause plastic deformation or separation, thereby obtaining a workpiece (stamping part) with a required shape and size. Compared with casting and forging pieces, the stamping piece has the characteristics of thinness, evenness, lightness and strength, and can be used for stamping workpieces with reinforcing ribs, undulations or flanges which are difficult to manufacture by other methods so as to improve the rigidity of the workpieces.

The stamping die is unstable in stretching movement, the surface of a stamped workpiece is easy to deform, the quality of a stamped finished product is reduced, and the stamping force degrees required by different raw materials are different. Accordingly, a tension-stable toggle press mechanism has been proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

In order to solve the technical problems in the background art, the utility model provides a toggle type punching mechanism with tensile stability.

(II) technical scheme

The utility model provides a stretching stability toggle type punch mechanism which comprises a strip-shaped bottom block, a toggle arm, an L-shaped plate, a push-pull assembly, a fulcrum assembly and a press punching assembly, wherein a strip-shaped hole is formed in one side of the top of the strip-shaped bottom block, a rectangular groove is formed in the middle of the top of the strip-shaped bottom block, a screw hole groove group is formed in the position corresponding to the bottom of the toggle arm, a second connecting block is installed at one end of the bottom of the toggle arm, the push-pull assembly is arranged in the strip-shaped hole, the fulcrum assembly is arranged in the rectangular groove, the press punching assembly is arranged on a transverse plate at the top of the L-shaped plate, and the bottom end of a vertical plate of the L-shaped plate is fixedly connected with one end of the top of the strip-shaped bottom block.

Furthermore, the push-pull assembly comprises a rectangular sliding block, an oil cylinder and a connecting rod, the rectangular sliding block is connected in the strip-shaped hole in a sliding mode, the oil cylinder is installed in the middle of the surface of the top of the rectangular sliding block, the push rod end of the oil cylinder is connected with one end of the connecting rod, and the other end of the connecting rod is movably connected with the corresponding end of the toggle arm through a movable pin.

Furthermore, the fulcrum assembly comprises a first connecting block, a traction block, a screw rod and a motor, the first connecting block is fixedly connected with the corresponding position of the screw groove group through a bolt, the bottom end of the first connecting block is movably connected with the corresponding structure at the top of the traction block through a movable pin, the screw rod is rotatably installed in the rectangular groove, the screw rod is in threaded connection with the traction block part in the rectangular groove through the screw hole structure, and the end face of the motor shaft rod is connected with the end face of one end of the screw rod.

Further, the pressure towards subassembly includes square plate, guide post, punching press head, compression leg and U type slider down, and four guide posts are installed respectively in the horizontal board top four corners department of L template, and four guide posts slide and pass square plate four corners department, and the punching press head is installed in compression leg bottom down, and the compression leg top slides and passes L template and square plate bottom intermediate position mutual fixed connection, U type slider and the mutual sliding connection of linking spout structure that is located the square plate top.

Furthermore, the U-shaped sliding block is movably connected with the second connecting block through a movable pin.

Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects: the operating oil cylinder is in an extending state, one end of the toggle arm can be lowered and the other end of the toggle arm can be lifted under the action of the fulcrum assembly, and the lever force is formed, so that the connected lower pressing column can be conveniently moved downwards, the effect of completing one-time stamping by the stamping head is achieved, the stamping head is stably stretched, and the quality of a stamped product is improved;

the screw rod is driven to rotate by the operation motor, the traction block in threaded connection can be correspondingly moved, the connected first connecting block is fixedly connected with the screw hole groove group through the bolt, the fulcrum position is convenient to replace, the punching pressure degree can be adjusted conveniently, and the stability of overall downward pressing movement is guaranteed through the downward pressing column provided with the punching head and the square plate in sliding connection with the four guide columns.

Drawings

Fig. 1 is a perspective view of a toggle type press mechanism for tensile stability according to the present invention.

Figure 2 is a side view of a stretch stabilizing wrist punch mechanism according to the present invention.

Fig. 3 is a schematic view of the bottom structure of the toggle arm in the toggle-type tension-stabilizing punch mechanism according to the present invention.

Reference numerals: 1. the device comprises a strip-shaped bottom block, 2 a strip-shaped hole, 3 a rectangular sliding block, 4 a cylinder, 5 a connecting rod, 6 an elbow arm, 7 a first connecting block, 8 a traction block, 9 a square plate, 10 a guide column, 11 an L-shaped plate, 12 a stamping head, 13 a screw rod, 14 a rectangular groove, 15 a U-shaped sliding block, 16 a second connecting block, 17 a lower pressing column, 18 a motor, 19 a screw hole groove group.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the utility model provides a tensile stability toggle type punching mechanism, which comprises a strip-shaped bottom block 1, a toggle arm 6, an L-shaped plate 11, a push-pull assembly, a fulcrum assembly and a stamping assembly.

According to the utility model, one side of the top of the strip-shaped bottom block 1 is provided with a strip-shaped hole 2, the middle position of the top of the strip-shaped bottom block 1 is provided with a rectangular groove 14, the corresponding position of the bottom of the elbow arm 6 is provided with a screw groove group 19, one end of the bottom of the elbow arm 6 is provided with a second connecting block 16, the push-pull assembly is arranged in the strip-shaped hole 2, the fulcrum assembly is arranged in the rectangular groove 14, the press punching assembly is arranged on a transverse plate at the top of the L-shaped plate 11, and the bottom end of a vertical plate of the L-shaped plate 11 is fixedly connected with one end of the top of the strip-shaped bottom block 1.

In an alternative embodiment, the push-pull assembly comprises a rectangular sliding block 3, an oil cylinder 4 and a connecting rod 5, wherein the rectangular sliding block 3 is slidably jointed in the strip-shaped hole 2, the oil cylinder 4 is arranged in the middle of the top surface of the rectangular sliding block 3, the push rod end of the oil cylinder 4 is connected with one end of the connecting rod 5, and the other end of the connecting rod 5 is movably connected with the corresponding end of the toggle arm 6 through a movable pin.

It should be noted that, the operation oil cylinder 4 is in an extended state, and can lower one end of the toggle arm 6 and raise the other end thereof under the action of the fulcrum assembly, so that the connected lower pressing column 17 is conveniently moved downwards by forming a lever force, thereby achieving the effect that the stamping head 12 completes one-time stamping, and the stamping head 12 is stable in stretching, and improving the quality of stamping products.

In an alternative embodiment, the fulcrum assembly comprises a first connecting block 7, a pulling block 8, a screw rod 13 and a motor 18, the first connecting block 7 is fixedly connected with a corresponding position of a screw hole groove group 19 through a bolt, the bottom end of the first connecting block 7 is movably connected with a corresponding structure at the top of the pulling block 8 through a movable pin, the screw rod 13 is rotatably installed in the rectangular groove 14, the screw rod 13 is in threaded connection with a portion of the pulling block 8 located in the rectangular groove 14 through a screw hole structure, and the shaft rod end of the motor 18 is connected with one end face of the screw rod 13.

It should be noted that, the screw 13 is driven to rotate by the operation motor 18, the driving block 8 connected by the screw thread can be moved correspondingly, and then the connected first connecting block 7 is fixedly connected with the screw hole groove group 19 by the bolt, so that the position of the fulcrum is convenient to replace, and the adjustment of the impact pressure is facilitated.

In an optional embodiment, the stamping assembly comprises a square plate 9, guide posts 10, a stamping head 12, a lower stamping post 17 and a U-shaped slider 15, wherein the four guide posts 10 are respectively installed at four corners of the top of a transverse plate of an L-shaped plate 11, the four guide posts 10 slide through the four corners of the square plate 9, the stamping head 12 is installed at the bottom end of the lower stamping post 17, the top end of the lower stamping post 17 slides through the L-shaped plate 11 and is fixedly connected with the middle position of the bottom of the square plate 9, the U-shaped slider 15 is in sliding connection with a connecting chute structure at the top of the square plate 9, and the U-shaped slider 15 is movably connected with a second connecting block 16 through a movable pin.

It should be noted that, by slidably connecting the pressing column 17 to which the press head 12 is attached to the square plate 9 via the four guide columns 10, the stability of the entire pressing movement is ensured.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a tensile stability toggle type punch press mechanism which characterized in that: including bar bottom piece (1), elbow arm (6), L template (11), push-and-pull subassembly, fulcrum subassembly and pressure towards the subassembly, bar hole (2) have been seted up to bar bottom piece (1) top one side, and bar bottom piece (1) top intermediate position has seted up rectangular channel (14), screw groove group (19) have been seted up to elbow arm (6) bottom corresponding position department, and elbow arm (6) bottom one end installs second connecting block (16), the push-and-pull subassembly sets up in bar hole (2), the fulcrum subassembly sets up in rectangular channel (14), press towards the subassembly setting on the horizontal board of top of L template (11), and the vertical bottom of the board of L template (11) and bar bottom piece (1) top one end mutual fixed connection.

2. A stretch stable toggle punch mechanism as claimed in claim 1, wherein: the push-pull assembly comprises a rectangular sliding block (3), an oil cylinder (4) and a connecting rod (5), the rectangular sliding block (3) is connected in the strip-shaped hole (2) in a sliding mode, the oil cylinder (4) is installed in the middle of the top surface of the rectangular sliding block (3), the push rod end of the oil cylinder (4) is connected with one end of the connecting rod (5) in an interconnecting mode, and the other end of the connecting rod (5) is movably connected with the corresponding end of the toggle arm (6) through a movable pin.

3. A stretch stable toggle punch mechanism as claimed in claim 1, wherein: the fulcrum assembly comprises a first connecting block (7), a traction block (8), a screw rod (13) and a motor (18), the first connecting block (7) is fixedly connected with a corresponding position of a screw groove group (19) through a bolt, the bottom end of the first connecting block (7) is movably connected with a corresponding structure at the top of the traction block (8) through a movable pin, the screw rod (13) is rotatably installed in a rectangular groove (14), the screw rod (13) is in threaded connection with the traction block (8) positioned in the rectangular groove (14) through a screw hole structure, and the shaft rod end of the motor (18) is connected with one end face of the screw rod (13) through a screw hole structure.

4. A stretch stable toggle punch mechanism as claimed in claim 1, wherein: the stamping component comprises a square plate (9), guide columns (10), stamping heads (12), lower stamping columns (17) and a U-shaped sliding block (15), wherein the four guide columns (10) are respectively installed at four corners of the top of a transverse plate of an L-shaped plate (11), the four guide columns (10) slide to pass through the four corners of the square plate (9), the stamping heads (12) are installed at the bottom of the lower stamping columns (17), the top of the lower stamping columns (17) slide to pass through the middle positions of the bottom of the L-shaped plate (11) and the bottom of the square plate (9) and are fixedly connected with each other, and the U-shaped sliding block (15) is connected with a linking sliding groove structure at the top of the square plate (9) in a sliding mode.

5. A stretch stable toggle punch mechanism according to claim 4, wherein: the U-shaped sliding block (15) is movably connected with the second connecting block (16) through a movable pin.