CN111545641A

CN111545641A - Punching and bending device for processing lifting lugs

Info

Publication number: CN111545641A
Application number: CN202010339836.XA
Authority: CN
Inventors: 刘学峰
Original assignee: Hefei Zhongjiqun Machinery Manufacturing Co ltd
Current assignee: Hefei Zhongjiqun Machinery Manufacturing Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-08-18
Anticipated expiration: 2040-04-26
Also published as: CN111545641B

Abstract

The invention discloses a punching and bending device for processing lifting lugs, which comprises a punch switching mechanism arranged on a mounting rack, wherein the punch switching mechanism of the mounting rack consists of a mounting groove arranged on the side surface of the mounting rack, a positioning gear fixedly arranged at the bottom of the mounting groove, a rotating wheel rotatably arranged on the positioning gear, and a cover body inserted into the mounting groove and clamped with the positioning gear through clamping teeth on the inner side wall, wherein a plurality of groups of punch components are uniformly and fixedly arranged on the outer side wall of the cover body, the punch components extend out from an open slot arranged on the side surface of the mounting rack, tooth gaps between the punch components and the clamping teeth are in one-to-one correspondence, a rectangular rod is clamped in the middle part of the rotating wheel, penetrates through the middle part of the rotating wheel and is fixedly connected with the cover body, and by arranging the punch switching mechanism, corresponding punches can be quickly replaced, the processing efficiency and the product quality are ensured, and the time and the labor are saved.

Description

Punching and bending device for processing lifting lugs

Technical Field

The invention belongs to the technical field of lifting lug machining equipment, and particularly relates to a punching and bending device for lifting lug machining.

Background

At present, in the pouring process of a nickel plate, a lifting lug needs to be placed at the top end of the nickel plate to play a supporting and conducting role, so that the lifting lug has certain strength while reaching a specific form. Traditional crooked technology of lug mainly relies on the workman to use ordinary bending machine to carry out the bending, through treating the lug work piece of processing to pass through hold-down mechanism and fix to the base, descend through hydraulic cylinder drive mounting bracket, promote the drift to carry out the bending operation to the work piece, according to different materials in actual operation, the lug work piece of thickness and form need use different drifts to carry out the bending, so operating personnel need change the drift that corresponds on the mounting bracket before processing, but the drift dismouting is more loaded down with trivial details, waste time and energy, machining efficiency has been influenced, so need the pertinence to improve.

Disclosure of Invention

The invention aims to provide a punching and bending device for processing lifting lugs, which is put into use and is used for solving the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a lug processing is with punching bending device, is including setting up the drift switching mechanism on the mounting bracket, the mounting bracket the drift switching mechanism is by setting up in the settling tank of mounting bracket side, fixed mounting in the positioning gear of settling tank bottom portion, rotate the runner of installing on positioning gear, insert the settling tank inside and through the latch on the inside wall (constitute with the cover body of positioning gear joint, evenly fixed that is equipped with multiunit drift subassembly on the lateral wall of the cover body, the drift subassembly stretches out from the open slot that the mounting bracket side was seted up, and the tooth clearance one-to-one between drift subassembly and the latch, the middle part joint of runner has the rectangle pole, and the middle part and the cover body fixed connection of rectangle pole through the runner.

Preferably, be provided with auxiliary positioning structure on the opposite face between positioning gear and the runner, auxiliary positioning structure is by offering the ring channel on positioning gear, offering the recess of ring channel bottom and welding the arc shell fragment on the runner relative positioning gear face, the other end of arc shell fragment slides along the ring channel, the recess corresponds with positioning gear's external tooth one-to-one.

Preferably, when the rotating wheel rotates clockwise, the edge of the groove extruded by the arc-shaped elastic sheet is set to be an arc surface.

Preferably, the middle part of the rear side of the rotating wheel is welded with a connecting sleeve, and the connecting sleeve is rotatably connected with the positioning gear through a bearing.

Preferably, an electric push rod is fixedly mounted on the rear side of the mounting frame, and the output end of the electric push rod is rotatably connected with the rectangular rod.

Preferably, the cover body is made of No. 35 steel, and the wall thickness of the cover body is not less than 4 cm.

Preferably, a handle is fixedly mounted on the front end surface of the cover body.

The invention has the technical effects and advantages that: this lug processing is with punching bending device improves the design to the drift switching problem, through setting up drift switching mechanism, can be according to the work piece of different thickness and material, the drift that quick replacement corresponds guarantees machining efficiency and product quality, labour saving and time saving to set up the assistance-localization real-time structure, it is accurate to adjust the location, guarantees drift exchange efficiency, and the practicality is strong.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the positioning gear being engaged with the cover;

FIG. 3 is a schematic view of the positioning gear;

fig. 4 is a schematic structural view of the rotary wheel.

In the figure: 1. a mounting frame; 2. a punch switching mechanism; 3. a punch assembly; 4. an open slot; 5. an auxiliary positioning structure; 6. a cambered surface; 7. a connecting sleeve; 8. a bearing; 9. an electric push rod; 10. a handle; 11. A rectangular bar;

21. a placing groove; 22. positioning a gear; 23. a rotating wheel; 24. clamping teeth; 25. a cover body;

51. an annular groove; 52. a groove; 53. an arc-shaped elastic sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a punching and bending device for processing lifting lugs as shown in figures 1-4, which comprises a punch switching mechanism 2 arranged on a mounting rack 1, the punch switching mechanism 2 of the mounting rack 1 is composed of a mounting groove 21 arranged on the side surface of the mounting rack 1, a positioning gear 22 fixedly arranged at the bottom of the mounting groove 21, a rotating wheel 23 rotatably arranged on the positioning gear 22, and a cover body 25 inserted into the mounting groove 21 and clamped with the positioning gear 22 through a clamping tooth 24 on the inner side wall, a plurality of groups of punch assemblies 3 are uniformly fixed on the outer side wall of the cover body 25, the punch assemblies 3 extend out from an open slot 4 formed in the side surface of the mounting rack 1, and the punch assemblies 3 correspond to the tooth gaps between the clamping teeth 24 one by one, the middle part of the rotating wheel 23 is clamped with a rectangular rod 11, and the rectangular rod 11 penetrates through the middle part of the rotating wheel 23 and is fixedly connected with the cover body 25.

The rear side fixed mounting of mounting bracket 1 has electric putter 9, and electric putter 9's output and rectangular rod 11 rotate to be connected.

Under a normal state, the latch 24 on the inner side of the cover body 25 is clamped with the positioning gear 22 at the bottom of the placement groove 21, so that the cover body 25 and the mounting frame 1 are relatively fixed, the mounting frame 1 is driven to press through a hydraulic cylinder, and the punch assembly 3 right below the cover body 25 is driven to punch and bend a lifting lug workpiece;

and a punch replacing step, when a slave head needs to be replaced, starting an electric push rod 9, pushing a cover body 25 to slide for a certain distance towards the outer side of the placing groove 21 by the electric push rod 9 through a rectangular rod 11, enabling a clamping tooth 24 on the inner side of the cover body 25 to be separated from a tooth gap between the positioning gears 22, switching a punch component 3 working under the cover body 25 through a deflecting cover body 25, enabling the tooth space of the clamping tooth 24 corresponding to the punch component 3 to just rotate to the front of the outer tooth of the positioning gear 22, starting the push rod to shrink again, driving the cover body 25 to slide towards the inside of the placing groove 21, enabling the tooth space of the clamping tooth 24 to just be clamped with the outer tooth of the positioning gear 22 at the rear, realizing the relative fixation between the cover body 25 and the mounting frame 1, and.

An auxiliary positioning structure 5 is arranged on the opposite surface between the positioning gear 22 and the rotating wheel 23, the auxiliary positioning structure 5 is composed of an annular groove 51 arranged on the positioning gear 22, a groove 52 arranged at the bottom of the annular groove 51 and an arc-shaped elastic sheet 53 welded on the surface of the rotating wheel 23 opposite to the positioning gear 22, the other end of the arc-shaped elastic sheet 53 slides along the annular groove 51, the grooves 52 correspond to the external teeth of the positioning gear 22 one by one, after the electric push rod 9 pushes the latch 24 of the cover 25 and the positioning gear 22 away, when the cover 25 is rotated, the rotating wheel 23 is driven to rotate by the rectangular rod 11, the rotating wheel 23 drives the arc-shaped elastic sheet 53 to slide along the annular groove 51, and when each punch assembly 3 rotates to the working position right below the cover body 25, the arc-shaped elastic sheet 53 just falls into the groove 52, so that the positioning is assisted, and the punch assembly 3 can be rapidly and accurately replaced by an operator conveniently.

When the runner 23 rotates clockwise, the extruded edge of the groove 52 and the arc-shaped elastic sheet 53 is set as the arc surface 6, so that when the punch assembly 3 is switched, the runner 23 rotates to drive the arc-shaped elastic sheet 53 and the arc surface 6 at the edge of the groove 52 to extrude, and then the runner deforms to slide out of the inner part of the groove 52.

The middle part of the rear side of the rotating wheel 23 is welded with a connecting sleeve 7, and the connecting sleeve 7 is rotatably connected with the positioning gear 22 through a bearing 8. Ensuring smooth rotation between the rotating wheel 23 and the positioning gear 22.

The cover body 25 is No. 35 steel, and the wall thickness of the cover body 25 is not less than 4 cm, so that the strength and toughness of the whole cover body 25 are ensured, the cover body 25 is prevented from being subjected to a larger reaction force when the punch assembly 3 punches and bends the lifting lug workpiece, and the cover body 25 is prevented from deforming.

The handle 10 is fixedly mounted on the front end face of the cover body 25, and the cover body 25 can be conveniently rotated by holding the handle 10.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a lug processing is with punching bending device which characterized in that: comprises a punch switching mechanism (2) arranged on an installation rack (1), wherein the punch switching mechanism (2) of the installation rack (1) consists of an arrangement groove (21) arranged on the side surface of the installation rack (1), a positioning gear (22) fixedly arranged at the bottom of the arrangement groove (21), a rotating wheel (23) rotatably arranged on the positioning gear (22), and a cover body (25) inserted into the arrangement groove (21) and clamped with the positioning gear (22) through a latch ((24) on the inner side wall, a plurality of groups of punch assemblies (3) are uniformly fixed on the outer side wall of the cover body (25), the punch assemblies (3) extend out of an open slot (4) formed in the side surface of the mounting frame (1), and the punch head components (3) are in one-to-one correspondence with the tooth gaps between the clamping teeth (24), the middle part of the rotating wheel (23) is clamped with a rectangular rod (11), and the rectangular rod (11) penetrates through the middle part of the rotating wheel (23) and is fixedly connected with the cover body (25).

2. The impact bending device for machining lifting lugs according to claim 1, wherein: be provided with auxiliary positioning structure (5) on the opposite face between positioning gear (22) and runner (23), auxiliary positioning structure (5) are by ring channel (51) of seting up on positioning gear (22), set up in recess (52) of ring channel (51) bottom and weld arc shell fragment (53) on runner (23) relative positioning gear (22) face, the other end of arc shell fragment (53) slides along ring channel (51), recess (52) and the external tooth one-to-one of positioning gear (22).

3. The impact bending device for machining lifting lugs according to claim 2, wherein: when the rotating wheel (23) rotates clockwise, the edge of the groove (52) extruded with the arc-shaped elastic sheet (53) is set to be the arc surface (6).

4. The impact bending device for machining lifting lugs according to claim 1, wherein: the middle part of the rear side of the rotating wheel (23) is welded with a connecting sleeve (7), and the connecting sleeve (7) is rotatably connected with the positioning gear (22) through a bearing (8).

5. The impact bending device for machining lifting lugs according to claim 1, wherein: the rear side of the mounting rack (1) is fixedly provided with an electric push rod (9), and the output end of the electric push rod (9) is rotatably connected with the rectangular rod (11).

6. The impact bending device for machining lifting lugs according to claim 1, wherein: the cover body (25) is made of No. 35 steel, and the wall thickness of the cover body (25) is not less than 4 cm.

7. The impact bending device for machining lifting lugs according to claim 6, wherein: the front end surface of the cover body (25) is fixedly provided with a handle (10).