CN209737699U - rotary cutting device - Google Patents
rotary cutting device Download PDFInfo
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- CN209737699U CN209737699U CN201920133390.8U CN201920133390U CN209737699U CN 209737699 U CN209737699 U CN 209737699U CN 201920133390 U CN201920133390 U CN 201920133390U CN 209737699 U CN209737699 U CN 209737699U
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Abstract
The utility model provides a rotary cutting device, which comprises a rotating frame, two tool rests and two sliding seats, wherein the rotating frame is provided with a through hole for a workpiece to pass through, the tool rests and the sliding seats are distributed around the through hole of the rotating frame, the rotating frame is provided with sliding rails corresponding to the tool rests and the sliding seats, each tool rest and each sliding seat are provided with sliding grooves matched with the corresponding sliding rails, and each tool rest is provided with a cutting knife; the rotary cutting device also comprises a connecting rod assembly which is used for driving the two tool rests to be close to each other under the action of centrifugal force in the rotating process of the tool rests so as to cut a workpiece. Compared with the prior art, in the rotating process of the rotary cutting device, the two sliding seats slide outwards under the action of centrifugal force, the two cutter holders are driven by the connecting rod assembly to slide towards the direction close to the pipe, the two cutting knives cut the pipe, the pipe is effectively and quickly cut off, no scraps are produced, the end parts of the cuts are neat, 10-20mm waste materials at the ends are reduced, the operation is simple and convenient, no waste materials are generated, and the utilization rate of the pipe is improved.
Description
Technical Field
The utility model relates to a machine tooling field, especially a rotary cutting device.
Background
in the cutting process of the existing pipe, one end of the pipe is generally fixed by a clamp and then cut, so that the existing pipe making machine and pipe drawing machine can only make long materials about 2-6 meters, the pipe cutting machine needs to be moved for the second off-line to cut short materials, and 10-20mm waste materials are generated at the end.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a rotary cutting device, in the external equipment drive swivel mount rotation in-process, link assembly drives two cutting knives and is close to each other and cuts tubular product, and is simple and convenient, and no waste material produces, improves the tubular product utilization ratio.
The utility model adopts the technical proposal that:
A rotary cutting device comprises a rotary frame, two tool rests and two sliding seats, wherein the rotary frame is provided with a through hole for a workpiece to pass through, the tool rests and the sliding seats are distributed around the through hole of the rotary frame, the rotary frame is provided with sliding rails corresponding to the tool rests and the sliding seats, each tool rest and each sliding seat are provided with sliding grooves matched with the corresponding sliding rails, and each tool rest is provided with a cutting knife; the rotary cutting device further comprises a connecting rod assembly which drives the two tool rests to be close to each other under the action of centrifugal force in the rotating process of the tool rests so as to cut a workpiece, the connecting rod assembly comprises four connecting rods which are sequentially hinged end to end, the four connecting rods form four hinged parts, one pair of opposite hinged parts are respectively connected with the two tool rests, and the other pair of opposite hinged parts are respectively connected with the two sliding seats.
Preferably, the two sides of each sliding seat are respectively provided with a sliding block for preventing the sliding seat from shifting in the rotating process and limiting the sliding distance of the sliding seat, and the rotating frame is provided with a sliding block groove matched with the sliding block.
Preferably, the two tool rests are respectively provided with a bearing plate for bearing the cutting knife, and each bearing plate is connected with an adjusting assembly for adjusting the position of the bearing plate so as to adjust the position of the cutting knife; each bearing plate is also provided with a positioning component used for positioning the position of the bearing plate.
More preferably, the adjusting assembly comprises an adjusting fixing seat fixed on the tool rest and an adjusting bolt penetrating through the adjusting fixing seat and used for adjusting the position of the bearing plate, and one end of the adjusting bolt is in threaded connection with the bearing plate.
More preferably, the positioning assembly comprises a positioning groove arranged on the bearing plate, a plurality of positioning holes arranged on the tool holder, and a positioning pin penetrating through the positioning groove and the positioning holes.
More preferably, the bottom of the bearing plate is provided with a protrusion, and the tool rest is provided with a groove which is matched with the protrusion and used for allowing the bearing plate to slide.
More preferably, the cutting knife on one knife rest is a big cutting knife which is arranged on the corresponding bearing plate; and two small cutting knives are arranged on the other knife rest and are arranged on the corresponding bearing plate through a swing frame.
More preferably, the swing frame is a triangular swing frame, the triangular swing frame is arranged on the bearing plate through a pin shaft, and the two small cutting knives are arranged on two swing arms of the swing frame; and a limiting piece for limiting the rotation angle of the other swing arm is also arranged on the other tool rest.
More preferably, the limiting part is a fixing seat arranged on the other tool rest, a limiting groove for limiting the rotation of the other swing arm of the swing frame is arranged in the fixing seat, and a limiting block in the limiting groove is arranged on the other swing arm.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides a rotary cutting device, in the process of external equipment drive swivel mount rotation, two sliding seats outwards slide under the effect of centrifugal force, drive two knife rests through link assembly and slide to being close to the tubular product direction for two cutting knives cut tubular product, effectively cut off fast, and chipless production, the incision tip is neat, reduces end 10-20mm waste material, and is simple and convenient, and no waste material produces, improves the tubular product utilization ratio.
Drawings
Fig. 1 is a first schematic view of a rotary cutting apparatus according to the present invention;
Fig. 2 is a schematic view of a rotary cutting apparatus according to the present invention;
Fig. 3 is an exploded view of a rotary cutting apparatus according to the present invention;
Fig. 4 is an exploded view of a tool holder of a rotary cutting apparatus according to the present invention;
Fig. 5 is an exploded view of another tool holder of a rotary cutting apparatus according to the present invention;
Fig. 6 is a schematic view of a sliding seat in a rotary cutting apparatus according to the present invention.
Detailed Description
the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 to 6 illustrate a preferred embodiment of a rotary cutting apparatus according to the present invention. As shown in fig. 1 to 6, the rotary cutting device includes a rotary frame 10, two tool rests 20 and two sliding seats 30, the rotary frame 10 is provided with a through hole 11 for a workpiece to pass through, the tool rests 20 and the sliding seats 30 are distributed around the through hole of the rotary frame, the rotary frame 10 is provided with a sliding rail 12 corresponding to each tool rest 20 and each sliding seat 30, each tool rest 20 and each sliding seat 30 are provided with sliding grooves 201, 301 matched with the corresponding sliding rail 12, and each tool rest 20 is provided with a cutting knife 21; the rotary cutting device further comprises a connecting rod assembly 40 for driving the two tool rests 20 to approach each other to cut a workpiece when the tool rests 20 rotate to a vertical position, the connecting rod assembly 40 comprises four connecting rods 41 which are sequentially hinged end to end, the four connecting rods form four hinged parts 42, one pair of opposite hinged parts are respectively connected with the two tool rests 20, the other pair of opposite hinged parts are respectively connected with the two sliding seats 30, and the two sliding seats 30 are balancing weights, so that when an external device drives the rotary frame 10 to rotate, the two sliding seats 30 slide in a direction far away from the workpiece under the action of centrifugal force to drive the two tool rests 20 to slide in a direction close to the workpiece, the two tool rests 20 approach each other, a cutting knife 21 on the tool rest 20 cuts the workpiece, the two cutting knives 21 are driven to approach each other through the connecting rod assembly 40 to cut a pipe, and cut, the method has the advantages of chipless production, regular cut end, reduction of waste materials of 10-20mm in end heads, simplicity, convenience, no waste material generation and improvement of the utilization rate of the pipe. The workpiece to be cut by the rotary cutting device is generally a pipe.
As shown in fig. 3 and 6, the sliding block 31 for preventing the sliding block 30 from being displaced during the rotation and limiting the sliding distance of the sliding block 30 is further respectively disposed on both sides of each sliding block 30, and the rotating frame 10 is provided with the sliding block groove 13 engaged with the sliding block 31, so that when the rotating frame 10 rotates and the sliding block 30 slides outward under the centrifugal force, the sliding block groove 13 limits the sliding distance of the sliding block 30; and prevents the sliding seat 30 from falling off the rotary frame 10 during the rotation of the sliding seat 30.
The two tool rests 20 are respectively provided with a bearing plate 22 for bearing a cutting knife, and each bearing plate is connected with an adjusting component 221 for adjusting the position of the bearing plate 22 so as to adjust the position of the cutting knife; each bearing plate 22 is further provided with a positioning assembly 222 for positioning the position of the bearing plate, so that after the position of the bearing plate 22 is adjusted by the adjusting assembly 221, the position of the bearing plate 22 is positioned by the positioning assembly 222, and the bearing plate 22 is prevented from shifting.
The adjusting assembly 221 includes an adjusting fixing seat 2211 fixed on the tool holder 20 and an adjusting bolt 2212 penetrating through the adjusting fixing seat 2211 for adjusting the position of the bearing plate, one end of the adjusting bolt 2212 is in threaded connection with the bearing plate 22, and the distance between the bearing plate 22 and the bearing plate on the other tool holder 20 is adjusted by the length of the adjusting bolt 2212 inserted into the bearing plate 22, so that the distance between the cutters on the two bearing plates 22 can be adjusted according to the diameter of the workpiece tube to be cut. The positioning assembly 222 includes a positioning groove 2221 disposed on the bearing plate 22, a plurality of positioning holes 2222 disposed on the tool holder, and a positioning pin passing through the positioning groove and the positioning holes, and after the position of the bearing plate is adjusted, the positioning pin is inserted into the positioning groove 2221 and the corresponding positioning hole 2222 to position the position of the bearing plate 22, so as to prevent the bearing plate 22 from moving. The bottom of the bearing plate 22 is provided with a protrusion, the tool holder is provided with a groove matched with the protrusion for the sliding of the bearing plate, and the bearing plate 22 can move on the tool holder 20 along the groove when moving.
As a preferred embodiment, the cutting knife 21 on one of the two knife rests 20 is a large cutting knife 211, and the large cutting knife 211 is disposed on the corresponding bearing plate 22, as shown in fig. 4; as shown in FIG. 5, two small cutting knives 212 are provided on the other knife holder 20, and the two small cutting knives 212 are provided on the corresponding carrier plate 22 through the swing frame 50, which allows the small cutting knives 212 to swing within a small range.
The swing frame 50 is a triangular swing frame, the triangular swing frame is arranged on the bearing plate 22 through a pin shaft, and the two small cutting knives 212 are arranged on two swing arms 51 of the swing frame; the other tool post 20 is further provided with a limiting member 60 for limiting the rotation angle of the other swing arm, so that the two small cutting knives 212 can always cut the workpiece during the process of cutting the workpiece. The limiting part 60 is a fixed seat arranged on the other knife rest, a limiting groove 61 for limiting the rotation of the other swing arm of the swing frame is arranged in the fixed seat, and a limiting block 511 positioned in the limiting groove 61 on the other swing arm prevents the swing frame 50 from driving the small cutting knife 212 to swing freely.
the process of cutting the workpiece by the rotary cutting device comprises the following steps: loading the workpiece 100 into the through hole 11 of the rotating frame 10, adjusting the positions of the bearing plates 22 on the two tool rests 20 according to the diameter of the workpiece 100, and positioning the positions of the bearing plates 22; the rotating frame 10 rotates, the two sliding seats 30 slide in the direction away from the workpiece under the action of centrifugal force, and the sliding distance of the sliding seats 30 is limited by the sliding block grooves 13; the sliding seat 30 slides outwards to drive the two tool rests 20 to slide towards the direction close to the workpiece through the connecting rod assembly 40, the two tool rests 20 are close to each other, the large cutting knife 211 and the two cutting knives 212 on the two tool rests 20 cut around the workpiece, cutting is effectively and quickly carried out, no scrap is produced, the end parts of the cut are neat, 10-20mm waste materials at the end are reduced, simplicity and convenience are achieved, no waste materials are produced, and the utilization rate of the pipe is improved.
To sum up, the technical scheme of the utility model can be fully effectual the above-mentioned utility model purpose of realization, just the utility model discloses a structure and functional principle all obtain abundant verification in the embodiment, can reach anticipated efficiency and purpose, do not deviating from the utility model discloses a under the prerequisite of principle and essence, can make multiple change or modification to the embodiment of utility model. Therefore, the present invention includes all the alternative contents within the scope mentioned in the claims, and all the equivalent changes made within the claims of the present invention are included in the claims of the present application.
Claims (9)
1. A rotary cutting device is characterized by comprising a rotating frame, two tool rests and two sliding seats, wherein the rotating frame is provided with a through hole for a workpiece to pass through, the tool rests and the sliding seats are distributed around the through hole of the rotating frame, the rotating frame is provided with sliding rails corresponding to the tool rests and the sliding seats, each tool rest and each sliding seat are provided with sliding grooves matched with the corresponding sliding rails, and each tool rest is provided with a cutting knife; the rotary cutting device further comprises a connecting rod assembly used for driving the two tool rests to be close to each other under the action of centrifugal force in the rotating process of the tool rests so as to cut a workpiece, the connecting rod assembly comprises four connecting rods which are sequentially hinged end to end, the four connecting rods form four hinged parts, one pair of opposite hinged parts are respectively connected with the two tool rests, and the other pair of opposite hinged parts are respectively connected with the two sliding seats.
2. The rotary cutting apparatus according to claim 1, wherein: the two sides of each sliding seat are respectively provided with a sliding block for preventing the sliding seat from shifting in the rotating process and limiting the sliding distance of the sliding seat, and the rotating frame is provided with a sliding block groove matched with the sliding block.
3. The rotary cutting apparatus according to claim 1, wherein: bearing plates for bearing the cutting knife are respectively arranged on the two knife rests, and each bearing plate is connected with an adjusting assembly for adjusting the position of the bearing plate so as to adjust the position of the cutting knife; each bearing plate is also provided with a positioning component used for positioning the position of the bearing plate.
4. The rotary cutting apparatus according to claim 3, wherein: the adjusting component comprises an adjusting fixing seat fixed on the tool rest and an adjusting bolt penetrating through the adjusting fixing seat and used for adjusting the position of the bearing plate, and one end of the adjusting bolt is in threaded connection with the bearing plate.
5. The rotary cutting apparatus according to claim 3, wherein: the positioning assembly comprises a positioning groove arranged on the bearing plate, a plurality of positioning holes arranged on the tool rest and a positioning pin penetrating through the positioning groove and the positioning holes.
6. The rotary cutting apparatus according to claim 3, wherein: the bottom of the bearing plate is provided with a protrusion, and the tool rest is provided with a groove which is matched with the protrusion and used for the bearing plate to slide.
7. The rotary cutting apparatus according to claim 3, wherein: the cutting knife on one knife rest is a big cutting knife which is arranged on the corresponding bearing plate; and two small cutting knives are arranged on the other knife rest and are arranged on the corresponding bearing plate through a swing frame.
8. The rotary cutting apparatus according to claim 7, wherein: the swinging frame is a triangular swinging frame, the triangular swinging frame is arranged on the bearing plate through a pin shaft, and the two small cutting knives are arranged on two swinging arms of the swinging frame; and a limiting piece for limiting the rotation angle of the other swing arm is also arranged on the other tool rest.
9. The rotary cutting apparatus according to claim 8, wherein: the limiting part is a fixed seat arranged on the other knife rest, a limiting groove used for limiting the rotation of the other swing arm of the swing frame is arranged in the fixed seat, and a limiting block in the limiting groove is arranged on the other swing arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920133390.8U CN209737699U (en) | 2019-01-25 | 2019-01-25 | rotary cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920133390.8U CN209737699U (en) | 2019-01-25 | 2019-01-25 | rotary cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209737699U true CN209737699U (en) | 2019-12-06 |
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ID=68705283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920133390.8U Active CN209737699U (en) | 2019-01-25 | 2019-01-25 | rotary cutting device |
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| Country | Link |
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| CN (1) | CN209737699U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623909A (en) * | 2019-01-25 | 2019-04-16 | 东莞市特联自动化设备有限公司 | A kind of rotary cutting apparatus |
| CN111546396A (en) * | 2020-05-13 | 2020-08-18 | *** | Plastic pipe end opening device |
-
2019
- 2019-01-25 CN CN201920133390.8U patent/CN209737699U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623909A (en) * | 2019-01-25 | 2019-04-16 | 东莞市特联自动化设备有限公司 | A kind of rotary cutting apparatus |
| CN111546396A (en) * | 2020-05-13 | 2020-08-18 | *** | Plastic pipe end opening device |
| CN111546396B (en) * | 2020-05-13 | 2021-07-16 | 巢湖市荣达塑业有限公司 | Plastic pipe end opening device |
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