CN215749434U - Online cutting device - Google Patents
Online cutting device Download PDFInfo
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- CN215749434U CN215749434U CN202121040513.7U CN202121040513U CN215749434U CN 215749434 U CN215749434 U CN 215749434U CN 202121040513 U CN202121040513 U CN 202121040513U CN 215749434 U CN215749434 U CN 215749434U
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- cutting
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Abstract
The utility model discloses an online cutting device, which comprises a rack, a clamping device for clamping a pipe, a cutting device for cutting the pipe, a driving device for driving the clamping device to move, and a chain connected between the cutting device and the clamping device, wherein the clamping device is at an initial position and is clung to the cutting device; the driving device drives the clamping device to move towards the moving direction of the pipe, the clamping device clamps the pipe and drives the cutting device to move synchronously through the chain, the cutting device cuts off the pipe in the synchronous moving process, and the clamping device loosens the pipe and drives the cutting device to return to the initial position under the action of the driving device. The utility model has high cutting precision and can realize on-line continuous cutting.
Description
Technical Field
The utility model relates to the technical field of cutting equipment, in particular to an online cutting device.
Background
In a pipe making process, a pipe material generally needs to be cut in a fixed size, and a conventional pipe material cutting device cannot obtain a high-precision pipe material length in online cutting of the pipe material. Specifically, when the length of the pipe reaches a preset value, the cutting device receives a cutting signal to start cutting, and the process from the signal receiving to the cutting action is time-consuming, and the pipe moves all the time, so that the cutting device delays a certain time, and the actual length of the pipe is longer than the preset value.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an online cutting device which is high in cutting precision and can realize online continuous cutting.
In order to solve the technical problems, the utility model provides an online cutting device which comprises a rack, a clamping device for clamping a pipe, a cutting device for cutting the pipe, a driving device for driving the clamping device to move, and a chain connected between the cutting device and the clamping device, wherein the clamping device is at an initial position and is tightly attached to the cutting device; the driving device drives the clamping device to move towards the moving direction of the pipe, the clamping device clamps the pipe and drives the cutting device to move synchronously through the chain, the cutting device cuts off the pipe in the synchronous moving process, and the clamping device loosens the pipe and drives the cutting device to return to the initial position under the action of the driving device.
As an improvement of the above scheme, a gear is arranged on the cutting device, the chain is a one-way chain, one end of the chain is connected to the gear, and the other end of the chain is connected to the clamping device;
when the clamping device is tightly attached to the cutting device at the initial position, the chains shrink together;
when the clamping device and the cutting device move synchronously with the pipe, the chain is in a straight shape.
As an improvement of the above scheme, the clamping device comprises a bracket, a driving telescopic mechanism, a pull rod fixing seat, a left pull rod, a right pull rod, a left clamping block, a right clamping block and a guide rod;
the driving telescopic mechanism is arranged on the bracket, a telescopic rod of the driving telescopic mechanism is connected with the upper end of the pull rod fixing seat, and the left pull rod and the right pull rod are connected with the lower end of the pull rod fixing seat to form an inverted V-shaped structure;
the guide rod is arranged on the bracket and penetrates through the left clamping block and the right clamping block, and the left clamping block and the right clamping block can slide back and forth along the guide rod to form an opening and closing state;
the left pull rod and the right pull rod penetrate through the left clamping block and the right clamping block respectively, the driving telescopic mechanism drives the inverted V-shaped structure to move up and down along the vertical direction, and the left clamping block and the right clamping block are driven to open and close on the guide rod.
As an improvement of the scheme, the support comprises a flat plate and two side plates, the flat plate is fixedly connected to the two side plates, the driving telescopic mechanism is fixedly connected to the flat plate, and two ends of the guide rod are fixedly connected with the two side plates respectively.
As an improvement of the scheme, the inverted V-shaped structure is symmetrical along the vertical direction.
As an improvement of the scheme, the clamping surfaces of the left clamping block and the right clamping block are both concave V-shaped surfaces.
As an improvement of the scheme, meshing structures matched with each other are arranged on the clamping surface of the left clamping block and the clamping surface of the right clamping block.
As an improvement of the above scheme, sliding bearings for assisting sliding are arranged on the left clamping block and the right clamping block, and the guide rod penetrates through the sliding bearings;
the driving telescopic mechanism is a pneumatic telescopic mechanism.
The implementation of the utility model has the following beneficial effects:
the on-line cutting device clamps the pipe through the clamping device to ensure that the length of the pipe is in a preset value, then drives the clamping device through the driving device, and drives the cutting device to synchronously move through the chain to ensure that the pipe is not stopped, so that on-line cutting is realized.
The on-line cutting device of the utility model is linked with a pipe making machine or the like, and a pipe made by the pipe making machine is directly input into the on-line cutting device of the utility model for cutting.
The clamping device drives the inverted V-shaped structure to move up and down along the vertical direction through the driving telescopic mechanism so as to drive the left clamping block and the right clamping block to open and close on the guide rod, structures such as a positive and negative screw rod and a gear rack are not needed, and the structure is simple.
When the inverted V-shaped structure in the clamping device moves downwards, the gap between the left clamping block and the right clamping block is from large to small until a pipe is clamped, and the inverted V-shaped structure and the guide rod form a triangular structure, so that self-locking and stable clamping can be realized after the telescopic mechanism is stopped, the clamping force is large, the pipe is not easy to shake or fall off, and the concentricity precision is high.
Drawings
FIG. 1 is a schematic view of the construction of an in-line cutting apparatus of the present invention;
FIG. 2 is a perspective view of the clamping device of the present invention;
FIG. 3 is a front view of the clamping device of the present invention;
FIG. 4 is a cross-sectional view of the clamping device of the present invention;
FIG. 5 is a perspective view of the clamping device of the present invention with the telescoping rod maximally extended
FIG. 6 is a perspective view of the middle left clamp block of the clamping device of the present invention;
FIG. 7 is a perspective view of the right and middle clamp blocks of the clamping device of the present invention;
FIG. 8 is a state view of the cutting device of the present invention moving in synchronization with the clamping device;
FIG. 9 is a view showing a state where the tube is cut by the cutting device of the present invention;
fig. 10 is a state diagram in which the cutting means and the clamping means of the present invention are reset to the initial position.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the utility model is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the utility model.
Referring to fig. 1 and 10, the present invention provides an on-line cutting device, which comprises a frame 1, a clamping device 2 for clamping a pipe 10, a cutting device 3 for cutting the pipe 10, a driving device 4 for driving the clamping device 2 to move, and a chain 5 connected between the cutting device 3 and the clamping device 2, wherein the clamping device 2 is at an initial position and is abutted against the cutting device 3; the pipe 10 passes through the cutting device 3 and the clamping device 2 from the pipe inlet end of the frame 1 in sequence and then moves towards the pipe outlet end of the frame 1 ceaselessly; the driving device 4 drives the clamping device 3 to move towards the moving direction of the pipe 10, the clamping device 3 clamps the pipe 10 and drives the cutting device 2 to move synchronously through the chain 5, the cutting device 2 cuts off the pipe 10 in the synchronous moving process, and the clamping device 2 loosens the pipe 10 and drives the cutting device 3 to return to the initial position under the action of the driving device 4.
Specifically, the driving device 4 is an air cylinder, which is disposed on the frame 1 and connected to the clamping device 2, and is configured to drive the clamping device 2 to move toward the pipe outlet end or the pipe inlet end of the frame 1. Preferably, the cylinder is a rodless cylinder.
Wherein, a connecting rod 11 is arranged on the frame 1, and the clamping device 2 and the cutting device 3 move towards the pipe outlet end or the pipe inlet end of the frame 1 along the connecting rod 11.
A gear 31 is arranged on the cutting device 3, the chain 5 is a one-way chain, one end of the chain 5 is connected to the gear 31, and the other end of the chain 5 is connected to the clamping device 2; when the clamping device 2 is in close contact with the cutting device 3 in the initial position, the chains 5 are retracted together; when the clamping device 2 and the cutting device 3 move synchronously with the pipe 10, the chain 5 is in a shape of a straight line.
The chain 5 is used for limiting the length of the pipe 10 and driving the cutting device 3 to synchronously move along with the clamping device 2, and the pipe 10 continuously moves towards the pipe end, so that the cutting length of the pipe 10 can be guaranteed to be a preset value only when the cutting device 3 synchronously moves along with the clamping device 2 and the pipe 10.
If only the cutting device is provided, and the clamping device and the chain are not provided, when the length of the pipe reaches a preset value, the cutting device receives a cutting signal to start cutting, and the process from receiving the signal to implementing the cutting action also needs time, and the pipe moves all the time, so that the cutting device has a certain time delay, and the actual length of the pipe is longer than the preset value.
The on-line cutting device provided by the utility model clamps the pipe 10 through the clamping device 2 to ensure that the length of the pipe 10 is in a preset value, then drives the clamping device 2 through the driving device 4, and drives the cutting device 3 to synchronously move through the chain 5 to ensure that the pipe 10 does not stop, so that on-line cutting is realized, most importantly, the chain 5 can ensure the cutting precision of the pipe 10, as the pipe 10 is clamped by the clamping device 2, the length of the part of the pipe 10 clamped by the clamping device 2 is fixed, and the length of the chain 5 is also fixed, so that the total length of the two parts of the pipe 10 is the cutting length of the pipe 10.
Specifically, the online cutting device of the utility model is in linkage work with a pipe making machine or the like, and a pipe made by the pipe making machine is directly input into the online cutting device of the utility model for cutting. The cutting device of the present invention may be a conventional cutting device, and the present invention is not particularly limited.
In order to realize automation, the online cutting device further comprises a reset inductive switch 6 and a protection inductive switch 7, wherein the reset inductive switch 6 is arranged at the pipe inlet end of the rack 1, and the protection inductive switch 7 is arranged at the pipe outlet end of the rack 1. Specifically, after the pipe 10 is cut off, the driving device 4 needs to be started to drive the clamping device 2 and the cutting device 3 to reset to the initial position, and the reset inductive switch 6 is used for sending a signal to the driving device 4 to start the driving device 4. When the cutting device 3 fails and the pipe 10 cannot be cut, the pipe 10 moves towards the outlet pipe end of the rack 1, and if the length of the pipe 10 is too long, the pipe may be bent to cause equipment damage. When the gripping device 2 is moved to the position of the protection inductive switch 7, the protection inductive switch 7 will act to send a signal to the tube making machine to stop the machine from operating. The reset inductive switch 6 and the protection inductive switch 7 of the present invention are conventional inductive switches, and the present invention is not particularly limited.
Referring to fig. 2 to 7, the clamping device 2 includes a bracket 21, a driving telescopic mechanism 22, a pull rod fixing seat 23, a left pull rod 24, a right pull rod 25, a left clamping block 26, a right clamping block 27, and a guide rod 28; the driving telescopic mechanism 22 is arranged on the bracket 21, the telescopic rod 21 of the driving telescopic mechanism 22 is connected with the upper end of the pull rod fixing seat 23, and the left pull rod 24 and the right pull rod 25 are connected with the lower end of the pull rod fixing seat 23 to form an inverted V-shaped structure; the guide rod 28 is arranged on the bracket 21 and penetrates through the left clamping block 26 and the right clamping block 27, and the left clamping block 26 and the right clamping block 27 can slide back and forth along the guide rod 28 to form an opening and closing state; the left pull rod 24 and the right pull rod 25 penetrate through the left clamping block 26 and the right clamping block 27 respectively, the driving telescopic mechanism 22 drives the inverted V-shaped structure to move up and down along the vertical direction, and therefore the left clamping block and the right clamping block are driven to open and close on the guide rod.
It should be noted that the driving telescopic mechanism 22 drives the inverted V-shaped structure to move up and down along the vertical direction so as to drive the left clamping block 26 and the right clamping block 27 to open and close on the guide rod 28, and the structure such as a positive and negative screw rod and a rack and pinion is not required, so that the structure is simple. Simultaneously, when the type of falling V structure moves down, the clearance between left clamp splice 26 and the right clamp splice 27 is by big to little, until cliping tubular product, because the type of falling V structure with guide arm 28 forms the triangle-shaped structure, stops can form auto-lock, centre gripping stability behind the drive telescopic machanism 22, and the clamping-force is big, and tubular product is difficult for rocking, drops, and concentric precision is high.
Referring to fig. 2 to 5, the bracket 21 includes a flat plate 211 and two side plates 212, the flat plate 211 is fixedly connected to the two side plates 212, the driving telescopic mechanism 22 is fixedly connected to the flat plate 211, and two ends of the guide rod 28 are respectively fixedly connected to the two side plates 212.
Further, the inverted V-shaped structure is symmetrical along the vertical direction. If the inverted V-shaped structure is not symmetrical, the telescopic rod 21 of the driving telescopic mechanism 22 may be biased to one side, which may easily cause the driving telescopic mechanism 22 to be damaged.
As shown in fig. 2, 5, 6 and 7, the clamping surfaces of the left clamping block 26 and the right clamping block 27 are both concave V-shaped surfaces to increase the clamping area, so as to further improve the concentricity precision while preventing the clamped pipe from easily loosening.
Referring to fig. 2, 5, 6 and 7, the clamping surfaces of the left clamping block 26 and the right clamping block 27 are provided with engaging structures adapted to each other, so as to increase the friction force between the clamping surfaces of the left clamping block 26 and the right clamping block 27, and further prevent the clamped pipe from easily loosening.
As shown in fig. 2 to 7, in order to increase the smoothness and reliability of the left and right clamping blocks 26 and 27 during sliding and reduce the noise generated by sliding, sliding bearings 29 for assisting sliding are disposed on the left and right clamping blocks 26 and 27, and the guide rod 28 passes through the sliding bearings 29.
As shown in fig. 2 to 5, the driving telescopic mechanism 22 is a pneumatic telescopic mechanism, preferably an air cylinder.
Further, the force-increasing self-locking concentric synchronous clamp further comprises a pneumatic electromagnetic valve, and the pneumatic electromagnetic valve is connected with the driving telescopic structure 2 to control the driving telescopic mechanism 22. When the left clamping block 26 and the right clamping block 27 clamp the pipe, an operator can close the air inlet and the air outlet of the driving telescopic mechanism 22 through the pneumatic electromagnetic valve, so that the driving telescopic mechanism 22 keeps the stretching posture, the left clamping block 26 and the right clamping block 27 keep the self-locking posture, the pipe is clamped, and energy is saved.
In conclusion, the clamping device 2 is simple in structure, capable of self-locking, stable in clamping, large in clamping force and high in concentricity precision.
Correspondingly, the utility model also provides an online automatic pipe cutting method, which adopts the online cutting device to cut the pipe, and comprises the following steps:
s1, the cutting device and the clamping device are in initial positions, and the pipe passes through the cutting device and the clamping device from the pipe inlet end of the rack in sequence and then moves towards the pipe outlet end of the rack ceaselessly;
wherein the initial position refers to the cutting device and the clamping device at the pipe inlet end of the frame.
Specifically, the on-line automatic pipe cutting machine of the present invention and the pipe making machine or the like (not shown in the drawings) work in an on-line linkage manner, the pipe making machine starts to work and make a pipe, the length counting of the pipe making machine starts, and the length of the pipe is calculated by the length counting encoder or the photoelectric switch, it should be noted that the length counting encoder or the photoelectric switch is a structure of the pipe making machine, and the present invention is not limited.
At the moment, the chain is in a contraction state, the clamping device and the cutting device are completely attached together, the reset induction switch is in a closing state, the pipe head of the pipe enters the clamping device and then moves ceaselessly in the direction of the pipe end, and the clamping die of the clamping device is in an opening state at the moment.
S2, when the length of the pipe reaches the preset value L1When the pipe is clamped, the clamping device clamps the pipe, and the driving device drives the clamping device to move synchronously with the pipe;
at the moment, the cutting device does not act, and the chain gradually presents an opening state along with the forward movement of the clamping device.
S3, when the chain is in a straight shape, the clamping device pulls the cutting device to move synchronously through the chain, as shown in figure 8;
in addition, the reset sensor of the cutting device is disconnected, and the clamping device and the cutting device move synchronously with the pipe under the pushing of the rodless cylinder.
In particular, the chain has a length L2The cutting length of the pipe is L, wherein L1+L2＝L。
S4, cutting the pipe by the cutting device in the synchronous moving process, as shown in figure 9;
specifically, the cut pipe automatically falls on the workbench.
S5, loosening the clamping device, starting the reset sensor, and driving the clamping device and the cutting device to reset to the initial positions by the driving device so as to complete one-time cutting, as shown in FIG. 10;
and S6, repeating the steps S1-S5 to realize on-line automatic pipe cutting.
While the utility model has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the utility model is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (8)
1. An online cutting device is characterized by comprising a rack, a clamping device for clamping a pipe, a cutting device for cutting the pipe, a driving device for driving the clamping device to move, and a chain connected between the cutting device and the clamping device, wherein the clamping device is at an initial position and is tightly attached to the cutting device; the driving device drives the clamping device to move towards the moving direction of the pipe, the clamping device clamps the pipe and drives the cutting device to move synchronously through the chain, the cutting device cuts off the pipe in the synchronous moving process, and the clamping device loosens the pipe and drives the cutting device to return to the initial position under the action of the driving device.
2. The on-line cutting device according to claim 1, wherein the cutting device is provided with a gear, the chain is a one-way chain, one end of the chain is connected to the gear, and the other end of the chain is connected to the clamping device;
when the clamping device is tightly attached to the cutting device at the initial position, the chains shrink together;
when the clamping device and the cutting device move synchronously with the pipe, the chain is in a straight shape.
3. The on-line cutting device according to claim 1, wherein the clamping device comprises a bracket, a driving telescopic mechanism, a pull rod fixing seat, a left pull rod, a right pull rod, a left clamping block, a right clamping block and a guide rod;
the driving telescopic mechanism is arranged on the bracket, a telescopic rod of the driving telescopic mechanism is connected with the upper end of the pull rod fixing seat, and the left pull rod and the right pull rod are connected with the lower end of the pull rod fixing seat to form an inverted V-shaped structure;
the guide rod is arranged on the bracket and penetrates through the left clamping block and the right clamping block, and the left clamping block and the right clamping block can slide back and forth along the guide rod to form an opening and closing state;
the left pull rod and the right pull rod penetrate through the left clamping block and the right clamping block respectively, the driving telescopic mechanism drives the inverted V-shaped structure to move up and down along the vertical direction, and the left clamping block and the right clamping block are driven to open and close on the guide rod.
4. The on-line cutting device according to claim 3, wherein the support comprises a flat plate and two side plates, the flat plate is fixedly connected to the two side plates, the driving telescopic mechanism is fixedly connected to the flat plate, and both ends of the guide rod are respectively fixedly connected to the two side plates.
5. The in-line severing device of claim 3, wherein the inverted V-shaped configuration is vertically symmetrical.
6. The in-line severing device of claim 3, wherein the clamping surfaces of the left and right clamping blocks are each concave V-shaped.
7. The in-line cutting apparatus as claimed in claim 6, wherein the clamping surfaces of the left and right clamping blocks are provided with engaging structures adapted to each other.
8. The on-line cutting device according to claim 3, wherein a sliding bearing for assisting sliding is provided on each of the left and right clamping blocks, and the guide rod passes through the sliding bearing;
the driving telescopic mechanism is a pneumatic telescopic mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121040513.7U CN215749434U (en) | 2021-05-14 | 2021-05-14 | Online cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121040513.7U CN215749434U (en) | 2021-05-14 | 2021-05-14 | Online cutting device |
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| Publication Number | Publication Date |
|---|---|
| CN215749434U true CN215749434U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121040513.7U Active CN215749434U (en) | 2021-05-14 | 2021-05-14 | Online cutting device |
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| CN (1) | CN215749434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113352385A (en) * | 2021-05-14 | 2021-09-07 | 佛山市华鑫源节能设备有限公司 | Online cutting device and online automatic pipe cutting method |
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2021
- 2021-05-14 CN CN202121040513.7U patent/CN215749434U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113352385A (en) * | 2021-05-14 | 2021-09-07 | 佛山市华鑫源节能设备有限公司 | Online cutting device and online automatic pipe cutting method |
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