CN213001967U

CN213001967U - Steel sheet bender is used in casing production

Info

Publication number: CN213001967U
Application number: CN202021722428.4U
Authority: CN
Inventors: 付强; 李金路
Original assignee: Cangzhou Hangcheng Industrial Control Equipment Co ltd
Current assignee: Cangzhou Hangcheng Industrial Control Equipment Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-04-20
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a steel plate bending machine for producing machine shells, which comprises a frame, wherein the frame is provided with a support frame, a positioning plate, an upper pressing die and a lower pressing die; go up the moulding-die and include a plurality of last moulding-die units, it installs on the top board to go up moulding-die unit slidable, there is the stop device with last moulding-die unit one-to-one on the top board, stop device is including seting up the pinhole on the top board, there is the pin rod in the pinhole, the both ends of pin rod are respectively there is spacing piece and pull rod, the cover is equipped with the pressure spring on the pull rod in the pin hole, go up moulding-die unit and go up the spacing groove with stopper matched with, stop device is still including dialling the board, dial one side of board for convex and dial the board and be close to convex side department and seted up the eccentric orfice, wear the driving lever in the eccentric orfice, the rotatable front end of wearing at the pull rod in the middle part of driving lever, the utility model discloses the combination of moulding-die unit.

Description

Steel sheet bender is used in casing production

Technical Field

The utility model relates to a steel sheet processing equipment field, concretely relates to steel sheet bender is used in machine shell production.

Background

The steel plate bending machine is needed to be used in the machining process of metal parts such as a rolling display screen shell and a controller shell, the cut metal plate is subjected to right-angle bending machining through the matching of an upper pressing die and a lower pressing die of the bending machine, the rudiment of the shell is formed, the cut steel plate has the length and the width of the upper pressing die, so that the width of the upper pressing die is needed to be controlled in order to adapt to the bending of the short edge, the upper pressing die adapting to the short edge cannot cover the crease line of the long edge when the long edge is bent, the bending of parts of the long edge is incomplete, the integral bending quality of the shell is influenced, the width of the upper pressing die needs to be adjusted timely, the width of the upper pressing die of the existing steel plate bending machine.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the background art, the utility model aims at providing a steel sheet bender is used in machine shell production, it has effectively solved the problem that exists among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a steel plate bending machine for producing a machine shell comprises a machine frame, wherein a support frame, a positioning plate, an upper pressing die and a lower pressing die are arranged on the machine frame; the supporting frame is fixedly arranged on the front side of the frame, the upper edge of the supporting frame is flush with the upper edge of the lower pressing die, a U-shaped positioning plate mounting frame is fixedly arranged on the rear side of the frame, a positioning plate seat is arranged on the positioning plate mounting frame in a left-right sliding mode, a first tightening screw matched with the positioning plate mounting frame is arranged on the positioning plate seat, a connecting plate is fixedly arranged on the rear side of the positioning plate, the connecting plate can be inserted on the positioning plate seat in a front-back sliding mode, and a second tightening screw matched with the connecting plate is arranged on the positioning plate seat; the upper pressing die comprises a plurality of upper pressing die units which can slide left and right and are arranged on an upper pressing plate, the upper pressing plate can be arranged on the rack in a vertical sliding mode and is provided with an upper pressing plate driving hydraulic cylinder, the upper pressing plate is provided with a limiting device which corresponds to the upper pressing die units one by one, the limiting device comprises a pin hole formed in the upper pressing plate, a pin rod is arranged in the pin hole in a sliding mode, two ends of the pin rod are respectively and fixedly provided with a limiting block and a pull rod extending to the outer portion of the front side of the upper pressing plate, an elastic element tending to enable the pin rod to extend out of the pin hole is sleeved on the pull rod in the pin hole, a limiting groove matched with the limiting block is formed in the upper pressing die unit, the limiting device further comprises a shifting plate arranged on the front side of the upper pressing plate, one side of the shifting plate is arc-shaped, and an eccentric hole, a deflector rod penetrates through the eccentric hole, and the middle part of the deflector rod is rotatably arranged at the front end of the pull rod in a penetrating manner.

Furthermore, an upper pressing die unit assembling groove is formed in the upper pressing plate, sliding blocks are arranged on the front side and the rear side of the upper pressing die unit assembling groove respectively, and a sliding groove matched with the sliding blocks is formed in the upper pressing die unit.

Furthermore, the left side and the right side of the frame are respectively provided with a guide sliding chute matched with the left side and the right side of the upper pressing plate.

Further, the elastic element is a compression spring.

Further, the poking plate comprises an upper plate, a lower plate and a handle column fixedly arranged between the upper plate and the lower plate.

The utility model discloses following beneficial technological effect has:

the utility model provides a but go up moulding-die unit horizontal slip's setting on the top board, through stop device's cooperation, the combination of moulding-die unit in the different quantity of completion that can be rapid, and then the working width who changes the top board is favorable to improving the manufacturing efficiency of bending of casing.

Drawings

Fig. 1 is a front view of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a right side view of an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

fig. 5 is a schematic structural view of a limiting device according to an embodiment of the present invention;

fig. 6 is a schematic view of the overall structure of the shifting plate according to the embodiment of the present invention;

FIG. 7 is a schematic view of an assembly structure of the pin rod, the pull rod and the limiting block according to the embodiment of the present invention;

fig. 8 is a schematic view of an assembly structure of a laser pointer and a mounting beam according to an embodiment of the present invention;

fig. 9 is an expanded schematic view of a steel plate according to an embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 9, the steel plate bending machine for producing a machine shell according to the embodiment includes a machine frame 1, a support frame 2, a positioning plate 3, an upper pressing die and a lower pressing die 4 are arranged on the machine frame 1, a tool bit with a trapezoidal cross section is arranged at the lower end of the upper pressing die, a groove matched with the tool bit is formed in the lower pressing die 4, the upper pressing die is matched with the lower pressing die 4 to complete right-angle bending of a steel plate 33, and the shapes of the upper pressing die and the lower pressing die 4 are prior art in the field; the support frame 2 is fixedly arranged on the front side of the frame 1, the upper edge of the support frame 2 is flush with the upper edge of the lower pressing die 4, the support frame 2 is used for supporting the non-bent part of the steel plate 33, the number of the positioning plates 3 is two, the positioning plates 3 are used for positioning the length of the steel plate 33 passing through the occlusion part of the upper pressing die and the lower pressing die 4, namely, the distance between the front side of the positioning plates 3 and the occlusion part of the upper pressing die and the lower pressing die 4 is equal to the depth of the machine shell, the rear side of the frame 1 is welded with a U-shaped positioning plate mounting frame 5, a positioning plate seat 6 is sleeved on the positioning plate mounting frame 5 in a left-right sliding manner, a first abutting screw 7 matched with the positioning plate mounting frame 5 is arranged on the positioning plate seat 6, the sliding and fixing of the positioning plate seat 6 on the positioning plate mounting frame 5 are realized through the screwing-in screw of the first abutting screw 7, a connecting plate 8 is welded on the rear side of the positioning plate 3, the connecting, the connection plate 8 is inserted and limited on the positioning plate seat 6 through the matching of the second abutting screw 9; the upper pressing die comprises a plurality of upper pressing die units 10, the width of each upper pressing die unit 10 is the same and is preferably 5-10cm, the plurality of upper pressing die units 10 can slide left and right and are arranged on an upper pressing plate 11, concretely, an upper pressing die unit assembling groove 12 is arranged on the upper pressing plate 11, the upper pressing die units 10 can slide left and right and are arranged in the upper pressing die unit assembling groove 12, sliding blocks 13 are respectively arranged on the front side and the rear side of the upper pressing die unit assembling groove 12, sliding grooves 14 matched with the sliding blocks 13 are arranged on the upper pressing die unit 10, guide sliding grooves matched with the left side and the right side of the upper pressing plate 11 are respectively arranged on the left side and the right side of the machine frame 1, the upper pressing plate 11 can slide up and down and is arranged on the machine frame 1, an upper pressing plate driving hydraulic cylinder 15 is arranged on the machine frame 1, limiting devices corresponding to the upper pressing die units 10 one by, the pin rod 17 is slidably arranged in the pin hole 16, the two ends of the pin rod 17 are respectively and fixedly provided with a limiting block 18 and a pull rod 19 extending to the outside of the front side of the upper pressing plate 11, the cross section of the limiting block 18 is trapezoidal, an elastic element 20 tending to enable the pin rod 17 to extend out of the pin hole 16 is sleeved on the pull rod 19 in the pin hole 16, the posture position of the shifting plate is kept, the elastic element 20 is a pressure spring, a limiting groove 21 matched with the limiting block 18 is formed in the upper pressing die unit 10, the limiting groove 21 is vertically arranged, the limiting device further comprises a shifting plate arranged on the front side of the upper pressing plate 11, one side of the shifting plate is arc-shaped, an eccentric hole 22 is formed in the position, close to the arc-shaped side, of the shifting plate, a shifting rod 23 penetrates through the eccentric hole.

The striking plate comprises an upper plate 24, a lower plate 25 and a handle post 26 welded between the upper plate 24 and the lower plate 25.

The front side of the upper press plate 11 is also fixedly provided with a mounting beam 27, the mounting beam 27 is positioned above the limiting device, the mounting beam 27 is uniformly provided with a plurality of jacks 28, the distance between adjacent jacks 28 is equal to the width of the upper press die unit 10, the left side of an upper press die consisting of the upper press die unit 10 is flush with the leftmost jack 28 on the mounting beam 27 in the vertical direction, the mounting beam 27 is provided with two laser indicating pens 29, the two laser indicating pens 29 are respectively flush with the left side and the right side of the upper press die, so that workers can conveniently and visually observe the width of the upper press die and estimate the position falling on a lower steel plate 33, the position of the steel plate 33 is adjusted to be bent better, the assembly mode of the laser indicating pens 29 is that the laser indicating pens 29 are vertically clamped in a hoop 30 with a slot, the rear side of the hoop 30 is fixedly provided with an inserting rod 31 matched with the jacks 28, and the inserting rod 31 is coated with, the insertion firmness is ensured, the looseness is avoided, and when the number of the upper die units 10 is increased or decreased, the adaptability and the hoop 30 can be realized by inserting and pulling the movable laser indicating pen 29 together.

The working principle of the embodiment is as follows:

adjusting the positions of the positioning plates 3 and the upper pressing die unit 10 according to the parameters of the machine shell, loading a steel plate on the support frame 2, attaching the two positioning plates 3 to the rear side of the steel plate 33, starting the upper pressing plate to drive the hydraulic cylinder 15, driving the upper pressing die to fall down by the upper pressing plate 11, and completing the right-angle bending of the steel plate 33 through the matching of the lower pressing die and the upper pressing die 4;

when the width of the upper pressing die needs to be increased, the upper pressing die unit 10 slides into the upper pressing die unit 10 from right to left, so that the upper pressing die unit 10 is well attached to the adjacent upper pressing die unit 10, the shifting plate is pulled to the right by 180 degrees and drives the shifting rod 23 to be close to the front side of the upper pressing plate 11, the shifting rod 23 pushes the pin rod 17 to extend out of the pin hole 16 through the pull rod 19, the pressure spring extends, the pin rod 17 drives the limiting block 18 to be clamped into the limiting groove 21, the upper pressing die unit 10 is limited, the upper pressing die unit 10 is prevented from easily sliding left and right, the width increase of the upper pressing die is completed at the moment, and one or more upper pressing die;

when the width of the upper pressing die needs to be reduced, a shifting plate in a limiting device corresponding to the rightmost upper pressing die unit 10 of the upper pressing die is pulled 180 degrees leftwards, the shifting plate drives the shifting rod 23 to be far away from the front side of the upper pressing plate 11, the shifting rod 23 pulls the pin rod 17 through the pull rod 19, the pressure spring is compressed, the limiting block 18 is separated from the limiting groove 21, the upper pressing die unit 10 can freely slide, the upper pressing die unit 10 can slide to the right side of the upper pressing plate 11, the width reduction of the upper pressing die is completed at the moment, and one or more upper pressing die units can be reduced according to needs;

the embodiment can rapidly complete the combination of the upper die units 10 in different quantities by the matching of the limiting devices, thereby changing the working width of the upper die and being beneficial to improving the bending manufacturing efficiency of the shell.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The steel plate bending machine for producing the machine shell is characterized by comprising a machine frame, wherein a support frame, a positioning plate, an upper pressing die and a lower pressing die are arranged on the machine frame; the supporting frame is fixedly arranged on the front side of the frame, the upper edge of the supporting frame is flush with the upper edge of the lower pressing die, a U-shaped positioning plate mounting frame is fixedly arranged on the rear side of the frame, a positioning plate seat is arranged on the positioning plate mounting frame in a left-right sliding mode, a first tightening screw matched with the positioning plate mounting frame is arranged on the positioning plate seat, a connecting plate is fixedly arranged on the rear side of the positioning plate, the connecting plate can be inserted on the positioning plate seat in a front-back sliding mode, and a second tightening screw matched with the connecting plate is arranged on the positioning plate seat; the upper pressing die comprises a plurality of upper pressing die units which can slide left and right and are arranged on an upper pressing plate, the upper pressing plate can be arranged on the rack in a vertical sliding mode and is provided with an upper pressing plate driving hydraulic cylinder, the upper pressing plate is provided with a limiting device which corresponds to the upper pressing die units one by one, the limiting device comprises a pin hole formed in the upper pressing plate, a pin rod is arranged in the pin hole in a sliding mode, two ends of the pin rod are respectively and fixedly provided with a limiting block and a pull rod extending to the outer portion of the front side of the upper pressing plate, an elastic element tending to enable the pin rod to extend out of the pin hole is sleeved on the pull rod in the pin hole, a limiting groove matched with the limiting block is formed in the upper pressing die unit, the limiting device further comprises a shifting plate arranged on the front side of the upper pressing plate, one side of the shifting plate is arc-shaped, and an eccentric hole, a deflector rod penetrates through the eccentric hole, and the middle part of the deflector rod is rotatably arranged at the front end of the pull rod in a penetrating manner.

2. The steel plate bending machine for producing machine shells according to claim 1, wherein the upper pressing plate is provided with an upper pressing die unit assembling groove, the front side and the rear side of the upper pressing die unit assembling groove are respectively provided with a sliding block, and the upper pressing die unit is provided with a sliding groove matched with the sliding block.

3. The steel plate bending machine for producing machine shells according to claim 1, wherein the left side and the right side of the machine frame are respectively provided with a guide sliding chute matched with the left side and the right side of the upper pressing plate.

4. The machine shell production steel plate bending machine according to claim 1, wherein the elastic element is a compression spring.

5. The steel plate bending machine for producing machine shells according to claim 1, wherein the poking plate comprises an upper plate, a lower plate and a handle column fixedly arranged between the upper plate and the lower plate.