CN215879396U - Copper bar bender - Google Patents
Copper bar bender Download PDFInfo
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- CN215879396U CN215879396U CN202121672295.9U CN202121672295U CN215879396U CN 215879396 U CN215879396 U CN 215879396U CN 202121672295 U CN202121672295 U CN 202121672295U CN 215879396 U CN215879396 U CN 215879396U
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- copper bar
- upper die
- die holder
- lower die
- base
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Abstract
The utility model discloses a copper bar bending machine which comprises a base plate, an upper die holder, a lower die assembly and a spinning assembly, wherein the base plate is vertically arranged, the upper die holder is fixed on the base plate, the lower die assembly comprises a lower die holder and a first hydraulic cylinder, the lower die holder is arranged on the base plate in a vertically sliding manner, and the lower die holder is matched with the upper die holder under the driving of the first hydraulic cylinder so as to form a first section of a copper bar; the spinning subassembly includes a second pneumatic cylinder and a pile of spinning wheel, a pair of spinning wheel distributes with sliding from top to bottom the both sides of die holder, a pile of spinning wheel is in the drive of second pneumatic cylinder is approached down the upper die base is followed the both sides walking of upper die base is in order to stretch out the copper bar the both ends of upper die base are followed the lateral wall of upper die base is buckled to the second type portion of shaping copper bar. The copper bar production device is simple in structure and convenient to use, and can be used for producing copper bars on a large scale and improving the production efficiency.
Description
Technical Field
The utility model relates to the field of copper bar processing, in particular to a copper bar bending machine for a copper bar with a special shape.
Background
As shown in fig. 1, a copper bar 600 with a special shape includes a first molding portion 610 and a second molding portion 620. Because each forming part has a bending shape, and the first forming part and the second forming part have a twisting relationship, at present, no special equipment is used for forming the copper bar, so that the copper bar with the type is mainly formed on bench clamps by hand at present, and the size consistency is poor.
It has been analyzed that a more rational molding step is to mold the first molding part and the second molding part first and then twist the first molding part. Therefore, how to form the first forming portion and the second forming portion is the first step of the process.
Because the bending length of the second forming part is longer and the two sides are different, if the second forming part is formed by punching, the depth of a die is larger and the cost is higher; and adopt the shaping of buckling, different with other section bars, the texture of copper bar is softer, and its shaping in-process copper bar of buckling is easy to be out of shape, for preventing out of shape, the bender structure is comparatively complicated again. Therefore, a forming device with a simple structure is developed aiming at the copper bar which is only applied to special scenes and cannot be produced in a large scale, and the forming device is the most economical operation mode.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a copper bar bending machine which is simple in structure and can adapt to the special product.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a copper bar bender, comprising: a base plate; the upper die base is fixed on the base plate; the lower die assembly comprises a lower die base and a first hydraulic cylinder, the lower die base is arranged on the base plate in a vertically sliding mode, and the lower die base is driven by the first hydraulic cylinder to be matched with the upper die base so as to form a first section of the copper bar; the rotary pressing assembly comprises a second hydraulic cylinder and a pair of rotary pressing wheels, the pair of rotary pressing wheels are distributed on the two sides of the lower die holder in a vertically sliding mode, the pair of rotary pressing wheels approach to the lower portion of the driving of the second hydraulic cylinder, the upper die holder is arranged on the two sides of the upper die holder in a walking mode, the copper bar is stretched out of the two ends of the upper die holder, and the outer side wall of the upper die holder is bent to form a second type portion of the copper bar.
Preferably, a pair of guide posts is arranged in the upper die holder, the lower die holder is slidably mounted in the guide posts, and the pair of guide posts limits the degree of freedom of the copper bar along the width direction of the copper bar; the copper bar.
Preferably, the base plate is provided with two track grooves, the two track grooves correspond to the sliding paths of the spinning wheels, the two sides of the lower die base extend to the two sides of the upper die base, the spinning wheels are provided with coaxial track wheels, and the track wheels travel along the track grooves.
Preferably, the spinning wheel is a plastic steel wheel.
Preferably, the die further comprises a pair of forming swing arms, one ends of the forming swing arms are hinged to two sides of the lower die holder, and the other ends of the forming swing arms are pushed to swing towards the side wall of the upper die holder when the spinning wheel walks.
More preferably, the outlines of the two side walls of the upper die holder are in a shape of small top and big bottom, and the difference value between the top and the bottom is determined by the resilience value of the copper bar; the contour of the molding surface of the molding swing arm corresponds to the contour of the side wall of the upper die holder.
More preferably, the two sides of the lower die holder are provided with limit parts abutted to the hinged ends of the forming swing arms, and the lower edges of the limit parts are not lower than the horizontal plane when the forming swing arms naturally fall down due to the limit parts.
More preferably, the spinning wheel is a steel wheel.
After adopting the technical scheme, compared with the background technology, the utility model has the following advantages:
1. according to the utility model, the upper die base is matched with the lower die base to punch and form the first molded part, and the spinning assembly is adopted to form the second molded part with a longer bending wall by utilizing the characteristic of softer texture of the copper bar, so that compared with the traditional punching machine and bending machine, the forming device has a simple structure and low cost;
2. in order to prevent the guide assembly of the spinning wheel from having insufficient rigidity, so that the spinning wheel can not work normally, the utility model is provided with the track groove, and meanwhile, the spinning wheel is provided with the track wheel which bears the main spinning pressure;
3. in order to prevent the copper bar from being scratched, in one embodiment of the utility model, the spinning wheel is made of plastic steel;
4. in another embodiment of the utility model, the forming swing arm is arranged, and the rotary pressing wheel acts on the forming swing arm to make the forming swing arm swing to press the copper bar to be formed, so that the forming swing arm has the advantages that the rotary pressing wheel does not damage the surface of the copper bar on one hand, and on the other hand, the copper bar can be pressed and bent only by swinging the forming swing arm to a specified position, and the stroke of the rotary pressing wheel can be greatly reduced; on the other hand, the forming swing arm is correspondingly arranged through presetting resilience allowance on the upper die base, and after forming, the copper bar naturally rebounds to obtain a corresponding formed copper bar.
Drawings
FIG. 1 is a schematic view of a product to be formed according to the present invention;
FIG. 2 is a schematic view of the present invention before closing the dies;
FIG. 3 is a schematic view of the present invention after clamping;
FIG. 4 is a schematic view of a second mold section according to the present invention;
FIG. 5 is a schematic view of the mold opening of the present invention;
FIG. 6 is a schematic view of the spinning wheel of the present invention.
Description of reference numerals:
the device comprises a lower die assembly 100, a lower die base 110, a cavity 111, a positioning pin 112, a first hydraulic cylinder 120 and a limit 130;
the upper die holder 200, the guide column 210, the cavity 220 and the abdicating hole 221;
a base plate 300, a rail groove 310;
the spinning assembly 400, the spinning wheel 410, the track wheel 411 and the second hydraulic cylinder 420;
forming a swing arm 500;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used 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 and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
Examples
For the purpose of more clearly describing the present invention, the present invention defines the up-down and left-right directions with respect to the direction facing the lower die base 110.
Referring to fig. 2 to 6, the utility model discloses a copper bar bending machine, which mainly comprises a lower die assembly 100, an upper die holder 200, a base plate 300 and a spinning assembly 400. Wherein:
the lower die assembly 100 comprises a lower die holder 110 and a first hydraulic cylinder 120, as shown in fig. 2, a cavity 111 with an upward opening is formed in the upper end of the lower die holder 110, and a positioning pin 112 is disposed in the middle of the cavity 111 to limit the degree of freedom of the copper bar 600 along the length direction thereof, i.e., to ensure that the copper bar 600 does not move in the left-right direction. Fig. 2 shows a schematic view of the blank inserted into the mold.
The upper die holder 200 is fixed on the base plate 300, the positions of the left side and the right side of the lower part of the upper die holder 200 are respectively provided with a guide column 210, the lower die holder 110 is slidably mounted in the guide columns 210, the first hydraulic cylinder 120 drives the lower die holder 110 to linearly slide up and down along the guide columns 210 after the device is started, errors in the shape after the copper bar 600 is processed are reduced, the freedom degree of the copper bar 600 along the width direction of the copper bar is limited by the guide columns 210, and the copper bar 600 is prevented from moving backwards. A cavity 220 is arranged at the lower end of the upper die holder, and a yielding hole 221 corresponding to the positioning pin 112 is arranged in the cavity 220.
A first hydraulic cylinder 120 is arranged below the lower die holder 110, and can drive the lower die holder 110 to slide upwards to complete die assembly with the upper die holder 200, after the die assembly is completed, the positioning pin 112 enters the abdicating hole 221, and the cavity 220 of the lower die is completely matched with the upper die holder 200, so as to form a first section 610 of the copper bar 600.
For the second mold part 620 of the copper bar 600 to be formed quickly and accurately, the left and right sides of the base plate 300 are respectively provided with a linear rail groove 310.
The spinning assembly 400 includes a second hydraulic cylinder 420 and a pair of spinning wheels 410. The spinning wheels 410 are vertically and slidably distributed on two sides of the lower die, the positions of the two spinning wheels 410 are completely matched with the sliding paths and the guide rail grooves, the coaxial track wheels 411 are arranged below the spinning wheels 410, and the track wheels 411 run along the track grooves 310, so that the situation that the spinning wheels 410 cannot apply deformation force to the copper bar 600 due to insufficient rigidity when the spinning wheels 410 slide on the track, particularly when the second section 620 is formed, is avoided. In this embodiment, the rail wheel 411 is a bearing.
The second hydraulic cylinder 420 drives the rotary pressing wheel 410 to approach the upper die holder 200 and to walk along two sides of the upper die holder 200, and when the rotary pressing wheel 410 walks along two sides of the upper die holder 200, the copper bar 600 is bent along the outer side wall of the upper die holder 200, so as to form a second section of the copper bar 600. Since the metal wheel will wear the copper bar 600 when forming the second mold, the plastic steel wheel is selected as the spinning wheel 410.
Specifically, since there are many defects when the second mold section 620 of the copper bar 600 is directly molded by using the spinning wheel 410, for example, when the second mold section is molded, the spinning wheel 410 needs to slide to the edge of the upper end of the track groove 310, and the sliding distance is too long; and because the second type part is required to be vertical, the upper die holder 200 cannot be designed into a shape with a small top and a large bottom, but the rotary pressing wheel 410 can only walk towards a straight line, so that the shape of the second type part cannot be ensured finally (namely, the resilience amount of a bent part cannot be preprocessed, and manual correction is required after resilience).
Therefore, in a more preferable embodiment, a pair of forming swing arms 500 is provided on the lower die holder 110, one section of each swing arm is hinged to both sides of the lower die holder 110, the other end of each swing arm is pushed to swing towards the side wall of the upper die holder 200 when the second hydraulic cylinder 420 drives the spinning wheel 410 to walk, the profile of the forming surface of the forming swing arm 500 corresponds to the profile of the side wall of the upper die holder 200, and the spinning wheel 410 can be a steel wheel because the spinning wheel 410 does not directly contact the outer side wall of the copper bar 600 at this time.
Meanwhile, as the forming swing arm 500 is a whole, when the spinning wheel 410 pushes one end of the forming swing arm 500 to a certain degree, a second section can be formed, and the problems that the spinning wheel 410 needs to walk to the upper edge of the track groove 310 all the time, so that the rigidity is insufficient and the shape of the second section cannot be ensured are solved.
In addition, the two side walls of the upper mold base 200 can be designed to have a shape with a smaller top and a larger bottom, and the contour of the molding surface of the molding swing arm 500 is adapted to the contour. The inclination of the two side wall profiles of the upper die holder 200 is determined according to the rebound value of the copper bar.
In order to facilitate the pushing of the forming swing arm 500 to make it swing, the two sides of the lower die holder 110 are formed with a limit 130 abutting against the hinged end of the forming swing arm 500, and when the forming swing arm 500 naturally falls, the limit 130 makes the lower edge not lower than the horizontal plane.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a copper bar bender which characterized in that includes:
the base plate is vertically arranged;
the upper die base is fixed on the base plate;
the lower die assembly comprises a lower die base and a first hydraulic cylinder, the lower die base is arranged on the base plate in a vertically sliding mode, and the lower die base is driven by the first hydraulic cylinder to be matched with the upper die base so as to form a first section of the copper bar;
the rotary pressing assembly comprises a second hydraulic cylinder and a pair of rotary pressing wheels, the pair of rotary pressing wheels are distributed on the two sides of the lower die holder in a vertically sliding mode, the pair of rotary pressing wheels approach to the lower portion of the driving of the second hydraulic cylinder, the upper die holder is arranged on the two sides of the upper die holder in a walking mode, the copper bar is stretched out of the two ends of the upper die holder, and the outer side wall of the upper die holder is bent to form a second type portion of the copper bar.
2. The copper bar bending machine according to claim 1, wherein: the upper die base is internally provided with a pair of guide columns, the lower die base is slidably arranged in the guide columns, and the pair of guide columns limit the freedom degree of the copper bar along the width direction of the copper bar; the copper bar.
3. The copper bar bending machine according to claim 1, wherein: the base plate is provided with two track grooves, the two track grooves correspond to the sliding paths of the spinning wheels, the two sides of the lower die base extend to the two sides of the upper die base, the spinning wheels are provided with coaxial track wheels, and the track wheels walk along the track grooves.
4. The copper bar bending machine according to claim 1, wherein: the spinning wheel is a plastic steel wheel.
5. The copper bar bending machine according to claim 1, wherein: the die further comprises a pair of forming swing arms, one ends of the forming swing arms are hinged to two sides of the lower die base, and the other ends of the forming swing arms are pushed to swing towards the side wall of the upper die base when the spinning wheel walks.
6. The copper bar bending machine according to claim 5, wherein: the outlines of the two side walls of the upper die holder are in a shape of small top and big bottom, and the difference value of the top and the bottom is determined by the resilience value of the copper bar; the contour of the molding surface of the molding swing arm corresponds to the contour of the side wall of the upper die holder.
7. The copper bar bending machine according to claim 5, wherein: and the two sides of the lower die holder are provided with limit parts abutted against the hinged ends of the forming swing arms, and the lower edges of the limit parts are not lower than the horizontal plane when the forming swing arms naturally fall down due to the limit parts.
8. The copper bar bending machine according to claim 5, wherein: the spinning wheel is a steel wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121672295.9U CN215879396U (en) | 2021-07-22 | 2021-07-22 | Copper bar bender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121672295.9U CN215879396U (en) | 2021-07-22 | 2021-07-22 | Copper bar bender |
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| Publication Number | Publication Date |
|---|---|
| CN215879396U true CN215879396U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121672295.9U Active CN215879396U (en) | 2021-07-22 | 2021-07-22 | Copper bar bender |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117505644A (en) * | 2024-01-08 | 2024-02-06 | 傲垦数控装备(苏州)有限公司 | Spinning machine calibration device and calibration method thereof |
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2021
- 2021-07-22 CN CN202121672295.9U patent/CN215879396U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117505644A (en) * | 2024-01-08 | 2024-02-06 | 傲垦数控装备(苏州)有限公司 | Spinning machine calibration device and calibration method thereof |
| CN117505644B (en) * | 2024-01-08 | 2024-03-19 | 傲垦数控装备(苏州)有限公司 | Spinning machine calibration device and calibration method thereof |
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