CN211030014U - Tensioning frame for mechanical arm to process thin flexible material - Google Patents
Tensioning frame for mechanical arm to process thin flexible material Download PDFInfo
- Publication number
- CN211030014U CN211030014U CN201921224856.1U CN201921224856U CN211030014U CN 211030014 U CN211030014 U CN 211030014U CN 201921224856 U CN201921224856 U CN 201921224856U CN 211030014 U CN211030014 U CN 211030014U
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- tensioning
- flexible material
- pressing plate
- frame
- outer frame
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- 238000003825 pressing Methods 0.000 claims abstract description 56
- 238000012545 processing Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 3
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- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 description 13
- 238000004080 punching Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
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Abstract
The utility model relates to a tensioning frame for slim flexible material of arm processing, including rectangle frame, hold-down mechanism and straining device, wherein: the pressing mechanism consists of two pressing plates which are respectively positioned at the inner sides of two opposite edges of the rectangular outer frame and are used for clamping the two opposite edges of the thin flexible material; the tensioning mechanism is composed of two tensioning bolt groups which are arranged on the rectangular outer frame corresponding to the pressing plate and act on the pressing plate, and is used for driving the pressing plate to move and tensioning the thin flexible material. Compared with the prior art, the utility model discloses tension is adjustable, and the suitability is good, long service life, and it is convenient that slim flexible material changes.
Description
Technical Field
The utility model belongs to the technical field of slim flexible material processing technique and specifically relates to a tensioning frame that is used for arm processing slim flexible material.
Background
When the mechanical arm processes various materials, the different properties of the processed materials will result in different processing precision. When the mechanical arm is used for processing hard materials, the high-precision processing of the materials can be well realized. However, when the arm processes a thin flexible material (such as a metal soft sheet, a cloth, a plastic sheet, or a paper sheet), the thin flexible material may not achieve the required processing accuracy due to the characteristic of easy deformation.
In order to achieve the precision required by thin flexible material processing, the thin flexible material needs to be tensioned, but most of the existing tensioning devices are customized products according to the processed material, so that the universality is poor, and the use is very inconvenient, thereby greatly limiting the development of the industry.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tensioning frame for mechanical arm processing thin flexible material in order to overcome the defects of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
a tensioning frame for a robotic arm processing thin flexible material, comprising:
a rectangular outer frame is arranged on the outer frame,
the pressing mechanism consists of two pressing plates which are respectively positioned at the inner sides of two opposite edges of the rectangular outer frame and are used for clamping the two opposite edges of the thin flexible material,
and the tensioning mechanism is composed of two tensioning bolt groups which are arranged on the rectangular outer frame corresponding to the pressing plate and act on the pressing plate, and is used for driving the pressing plate to move and tensioning the thin flexible material.
As the preferred technical scheme of the utility model, the rectangle frame pass through connecting bolt by four section bars that are the rectangle and arrange and connect and form.
As the utility model discloses preferred technical scheme, the pressure strip compress tightly the upper plate and compress tightly the hypoplastron including relative setting, and tensioning bolt group acts on compressing tightly the hypoplastron on, the hypoplastron that compresses tightly be equipped with a plurality of screws, compress tightly and be equipped with the through-hole that corresponds with each screw on the upper plate, wear to be equipped with pressure bolt in screw and the through-hole.
As the utility model discloses preferred technical scheme, the inboard on two other limits of rectangle frame is equipped with the guide rail for bear and compress tightly the hypoplastron and the guide compresses tightly the hypoplastron motion.
As the preferred technical proposal of the utility model, the guide rail is provided with a polytetrafluoroethylene lubricating layer.
As the utility model discloses preferred technical scheme, tensioning bolt group include a tensioning bolt and two guide arms, tensioning bolt's head end pass the limit of rectangle frame and with compress tightly hypoplastron rotatable coupling, the head end of two guide arms passes the limit of rectangle frame and fixes on compressing tightly the hypoplastron.
As the utility model discloses preferred technical scheme, two guide arm symmetries set up in tensioning bolt's both sides.
As the preferable technical proposal of the utility model, the rectangular outer frame is horizontally arranged.
As the utility model discloses preferred technical scheme, the rectangle frame on be equipped with the scale corresponding with the pressure strip.
When the thin flexible material is tensioned, the thin flexible material is placed in the tensioning frame and is compressed by the compression plate. And moving the compacting plate to the corresponding scale of the outer frame according to the required tension until the required effect is achieved.
Compared with the prior art, the universal tensioning frame designed by the utility model can fix and tension (fine adjustment) various thin flexible materials through the tensioning bolt and the compression bolt, the tension of the thin flexible materials can be adjusted, and the applicability is good; long service life and convenient replacement of thin flexible materials. The utility model discloses a modular design can adopt the panel and the section bar of different specifications, reaches the purpose of the slim flexible material of the not unidimensional of adaptation, has promoted the commonality of this system.
Drawings
Fig. 1 is a schematic view of a tension frame of the present invention applied to a robot arm system for processing thin flexible materials;
FIG. 2 is a schematic structural view of the tricuspid drill of FIG. 1;
fig. 3 is a schematic structural view of the tensioning frame of the present invention.
In the figure, 1 is a mechanical arm, 2 is a clamp, 3 is a punching motor, 4 is a three-point drill, 41 is a handle, 42 is a working part, 421 is a middle blade, 422 is a working blade, 423 is an arc angle, 5 is a tensioning frame, 51 is a rectangular outer frame, 511 is a section bar, 512 is a link bolt, 5111 is a guide rail, 52 is a pressing plate, 521 is a pressing upper plate, 522 is a pressing lower plate, 523 is a pressing bolt, 53 is a tensioning bolt group, 531 is a tensioning bolt, 532 is a guide rod, 6 is a bracket, 61 is a bracket body, 62 is a horizontal placing platform, 63 is a clamping plate bolt, 64 is a clamping plate, 7 is a base, and 8 is a thin flexible material.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example 1
A tensioning frame for a robot arm to process thin flexible materials, which can be used in a robot arm system for processing thin flexible materials, as shown in FIG. 1, the robot arm system comprises a robot arm 1, a processing device, a clamp 2, a tensioning frame 5 and a support 6, wherein: the mechanical arm 1 is arranged on the base 7; the processing device consists of a three-point drill 4 and a punching motor 3 for driving the three-piece drill 4 to rotate; the clamp 2 is arranged at the tail end of the mechanical arm 1 and used for connecting the machining device with the mechanical arm 1; the tensioning frame 5 is arranged in the movable range of the processing device and used for fixing and tensioning the thin flexible material 8; the bracket 6 is detachably connected with the tension frame 5 and is used for supporting the tension frame 5.
In the present embodiment, as shown in fig. 2, the three-point drill 4 comprises a shank 41 and a working portion 42 sequentially arranged, the shank 41 is a straight shank and is used for being in transmission connection with the punching motor 3 and transmitting torque and axial force, the working portion 42 is terminated by a cutting portion having three smoothly connected cutting edges in the same line, and the ends of the three cutting edges are located at the same height.
More specifically, the three cutting edges in this embodiment are respectively a middle cutting edge 421 for fixing the thin flexible material 8 and two working cutting edges 422 symmetrically disposed on both sides of the middle cutting edge 421, when the thin flexible material is processed, they simultaneously contact the material (if the middle cutting edge contacts the material first, the material will be recessed around the contact point, and thus the processing precision will be reduced), wherein the two cutting edges on the outer side process the material, the middle cutting edge fixes the thin flexible material (the flexible material will be prevented from wrinkling or tearing due to partial displacement under the rotation cutting of the two working cutting edges 422), so as to achieve an excellent processing effect, and the processing precision is improved. In this embodiment, an arc angle 423 is formed between the three cutting blades to improve the rigidity of the cutter. The middle blade 422 may be tapered, truncated, cylindrical, or rectangular. In this embodiment, the middle blade 422 is preferably tapered with a taper of 5:1, which provides a better fixation. Further, in this embodiment, the outer side surfaces of the two working blades 422 are flush with the outer side surface of the working portion 42. And the ends of the two working blades 422 are sharp, and since thin flexible materials are processed, the service life of the working blades is not obviously reduced.
As shown in fig. 3, the tension frame 5 in the present embodiment includes a rectangular outer frame 51, a pressing mechanism, and a tension mechanism, wherein: the pressing mechanism is composed of two pressing plates 52 which are respectively positioned at the inner sides of two opposite edges of the rectangular outer frame 51 and are used for clamping two opposite edges of the thin flexible material 8; the tensioning mechanism is composed of two tensioning bolt groups 53 which are arranged on the rectangular outer frame 51 corresponding to the pressing plate 52 and act on the pressing plate 52, and is used for driving the pressing plate 52 to move and tensioning the thin flexible material 8.
More specifically, the rectangular outer frame 51 is horizontally arranged, and the rectangular outer frame 51 is formed by connecting four profiles 511 arranged in a rectangular shape by connecting bolts 512. By using the section bar 511, the rectangular outer frame 51 matched with the material to be processed can be conveniently assembled according to the size of the material to be processed. The pressing plate 52 in this embodiment includes an upper pressing plate 521 and a lower pressing plate 522 which are oppositely disposed, the tensioning bolt group 53 acts on the lower pressing plate 522, a plurality of screw holes are formed in the lower pressing plate 522, through holes corresponding to the screw holes are formed in the upper pressing plate 521, and pressing bolts 523 are inserted into the screw holes and the through holes. Generally, two pressing bolts 523 are arranged on each pressing plate 52 along the length (the more pressing bolts are, the better the pressing effect is, and the more trouble the pressing bolt is used), but according to the difference of the processed materials and the different requirements on the precision, some reserved screw holes and through holes can be arranged on the pressing upper plate 521 and the pressing lower plate 522, and the proper number of pressing bolts 523 can be selected according to the situation. Further, in the present embodiment, a guide rail 5111 may be provided at the inner side of the other two sides of the rectangular outer frame 51 for carrying the pressing lower plate 522 and guiding the pressing lower plate 522 to move. The guide rail 5111 is provided with a teflon lubricating layer (a thin layer like a non-stick pan coating is sufficient, and a thickness too large may adversely affect the machining accuracy). The existence of the guide rail 5111 and the polytetrafluoroethylene lubricating layer is beneficial to improving the smoothness of the material in the tensioning process, and the positioning accuracy of the thin flexible material is enhanced, so that the processing accuracy is improved. In this embodiment, the tensioning bolt group 53 includes a tensioning bolt 531 and two guide rods 532, the head end of the tensioning bolt 531 passes through the edge of the rectangular outer frame 51 and is rotatably connected with the pressing lower plate 522, and the head ends of the two guide rods 532 pass through the edge of the rectangular outer frame 51 and are fixed on the pressing lower plate 522. The two guide bars 532 are symmetrically disposed at both sides of the tension bolt 531. The rectangular outer frame in this embodiment may further be provided with scales corresponding to the pressure strip. When the thin flexible material is tensioned, the thin flexible material is placed in the tensioning frame and is compressed by the compression plate. And moving the compacting plate to the corresponding scale of the outer frame according to the required tension until the required effect is achieved.
The bracket 6 in this embodiment includes a bracket body 61 and a plurality of outer frame clamps, wherein: the top of the bracket body 61 is provided with a horizontal placing platform 62 for bearing the tensioning frame 5; a plurality of outer frame clamps are disposed on the horizontal platform 62, and each outer frame clamp is composed of a clamp plate bolt 63 vertically connected to the horizontal platform and a clamp plate 64 sleeved on the clamp plate bolt 63.
The method for processing the thin flexible material by adopting the mechanical arm system comprises the following steps:
s1: fixing and tensioning the thin flexible material by using a tensioning frame 5;
s2: the mechanical arm 1 drives the processing device to adjust the horizontal position, and the three-point drill 4 is vertical to the surface of the tensioned thin flexible material 8;
s3: when the three-point drill 4 moves to a preset coordinate, the punching motor 3 drives the three-point drill 4 to rotate at a high speed;
s4: when the three-point drill 4 is about to contact the thin flexible material 8, the feeding speed is reduced, and when the three-point drill 4 processes the thin flexible material 8, the feeding speed is further reduced;
s5: after the processing is finished, the mechanical arm 1 drives the three-point drill 4 to reset, and the processing of the thin flexible material 8 is finished.
In the embodiment, the angles of the mechanical arm 1 and the three-pointed drill 4 are obtained by arranging a motor side angle sensor and a three-pointed drill side angle sensor (not shown in the figure) and the three-pointed drill 4 is used for adjusting the three-pointed drill 4 to be vertical to the surface of the tensioned thin flexible material 8; the relative position of the three-point drill 4 and the thin flexible material 8 is obtained by arranging an industrial camera (the industrial camera is not shown in the figure, and the camera can be arranged as required in practice as long as the image of the corresponding position can be obtained).
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (9)
1. A tensioning frame for a robotic arm to process thin flexible material, comprising:
a rectangular outer frame is arranged on the outer frame,
the pressing mechanism consists of two pressing plates which are respectively positioned at the inner sides of two opposite edges of the rectangular outer frame and are used for clamping the two opposite edges of the thin flexible material,
and the tensioning mechanism is composed of two tensioning bolt groups which are arranged on the rectangular outer frame corresponding to the pressing plate and act on the pressing plate, and is used for driving the pressing plate to move and tensioning the thin flexible material.
2. The tensioning frame for the mechanical arm to machine the thin and flexible material as claimed in claim 1, wherein the rectangular outer frame is formed by connecting four rectangular profiles through connecting bolts.
3. The tensioning frame for the mechanical arm to process the thin and flexible material as claimed in claim 1, wherein the pressing plate comprises an upper pressing plate and a lower pressing plate which are oppositely arranged, the tensioning bolt group acts on the lower pressing plate, the lower pressing plate is provided with a plurality of screw holes, the upper pressing plate is provided with through holes corresponding to the screw holes, and the screw holes and the through holes are provided with the pressing bolts.
4. The tensioning frame for the mechanical arm processing thin and flexible material as claimed in claim 3, wherein the inner sides of the other two sides of the rectangular outer frame are provided with guide rails for carrying the pressing lower plate and guiding the pressing lower plate to move.
5. The tensioning frame for the thin and flexible material of the mechanical arm machining as claimed in claim 4, wherein the guide rail is provided with a polytetrafluoroethylene lubricating layer.
6. The tensioning frame for the thin and flexible material of the mechanical arm processing as claimed in claim 3, wherein the tensioning bolt set comprises a tensioning bolt and two guide rods, the head end of the tensioning bolt passes through the edge of the rectangular outer frame and is rotatably connected with the lower pressing plate, and the head ends of the two guide rods pass through the edge of the rectangular outer frame and are fixed on the lower pressing plate.
7. The tensioning frame for the mechanical arm to machine the thin and flexible material as claimed in claim 6, wherein the two guide rods are symmetrically arranged at two sides of the tensioning bolt.
8. The tensioning frame for the mechanical arm to process the thin and flexible material as claimed in claim 1, wherein the rectangular outer frame is horizontally arranged.
9. The tensioning frame for the mechanical arm to process the thin and flexible material as claimed in claim 1, wherein the rectangular outer frame is provided with scales corresponding to the pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921224856.1U CN211030014U (en) | 2019-07-31 | 2019-07-31 | Tensioning frame for mechanical arm to process thin flexible material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921224856.1U CN211030014U (en) | 2019-07-31 | 2019-07-31 | Tensioning frame for mechanical arm to process thin flexible material |
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| Publication Number | Publication Date |
|---|---|
| CN211030014U true CN211030014U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921224856.1U Expired - Fee Related CN211030014U (en) | 2019-07-31 | 2019-07-31 | Tensioning frame for mechanical arm to process thin flexible material |
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| Country | Link |
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| CN (1) | CN211030014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303511A (en) * | 2019-07-31 | 2019-10-08 | 上海建桥学院 | A kind of Tension frame for mechanical arm processing low profile flexible material |
-
2019
- 2019-07-31 CN CN201921224856.1U patent/CN211030014U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303511A (en) * | 2019-07-31 | 2019-10-08 | 上海建桥学院 | A kind of Tension frame for mechanical arm processing low profile flexible material |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 |