CN112026332A - Coating layer stripping equipment for processing stainless steel corrugated pipe for gas appliance - Google Patents
Coating layer stripping equipment for processing stainless steel corrugated pipe for gas appliance Download PDFInfo
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- CN112026332A CN112026332A CN202011220232.XA CN202011220232A CN112026332A CN 112026332 A CN112026332 A CN 112026332A CN 202011220232 A CN202011220232 A CN 202011220232A CN 112026332 A CN112026332 A CN 112026332A
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- corrugated pipe
- driving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/10—Removing layers, or parts of layers, mechanically or chemically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1825—Handling of layers or the laminate characterised by the control or constructional features of devices for tensioning, stretching or registration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1825—Handling of layers or the laminate characterised by the control or constructional features of devices for tensioning, stretching or registration
- B32B38/1833—Positioning, e.g. registration or centering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
- B32B2038/045—Slitting
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- Mechanical Engineering (AREA)
- Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
Abstract
The invention relates to the technical field of machining, in particular to coating layer stripping equipment for machining a stainless steel corrugated pipe for a gas appliance, which comprises a corrugated pipe fixing mechanism, a horizontal moving mechanism, an installation frame, a positioning mechanism, a tensioning mechanism, a stripping mechanism and a material receiving box, wherein the corrugated pipe fixing mechanism is arranged on the installation frame; the corrugated pipe fixing mechanism is arranged on the frame; the horizontal moving mechanism is arranged on the rack and is positioned on one side of the corrugated pipe fixing mechanism; the mounting rack is arranged on the horizontal moving mechanism; the positioning mechanism is arranged on one side of the mounting frame, which faces the corrugated pipe fixing mechanism; the tensioning mechanism is arranged on the mounting frame, and the axis of the tensioning mechanism is collinear with the axis of the corrugated pipe in a working state; the stripping mechanism is arranged on one side of the mounting frame facing the corrugated pipe fixing mechanism; the material receiving box is arranged on the mounting frame and is positioned below the tensioning mechanism, and the opening of the material receiving box faces the tensioning mechanism; the scheme has high positioning efficiency, stable cutting effect and high stripping success rate.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a coating layer stripping device for machining a stainless steel corrugated pipe for a gas appliance.
Background
The stainless steel corrugated pipe is widely applied to connection of a gas appliance and a gas pipeline, and generally comprises a corrugated pipe inner pipe, a rubber sleeve and a joint body, wherein the rubber sleeve is wrapped outside the corrugated pipe inner pipe and used for protecting the corrugated pipe inner pipe, the joint body is arranged at the end part of the corrugated pipe inner pipe, the survival and the manufacture of the stainless steel corrugated pipe are in the most critical condition, but both ends of the corrugated pipe are wrapped by the rubber sleeve, namely the corrugated layer, so that how to strip a small section of the corrugated layer at both ends in batch and not damage the corrugated pipe are realized, higher requirements are provided for the current mechanical processing, the outer wall of the corrugated pipe comprises wave crests and wave troughs, the corrugated pipe cannot be damaged only by cutting and other stripping modes at the wave troughs, but because the current market has few equipment, the coating layer stripping equipment for mounting the stainless steel corrugated pipe joint is required to be designed, and the coating layer stripping equipment cannot be damaged for mounting the corrugated pipe and cannot be .
Chinese patent cn201920384810.x discloses a coating layer stripping device for installation of stainless steel corrugated pipe joint, including workstation and supporting leg, still include feed mechanism, first conveying mechanism, pressure measurement mechanism, peeling means and second conveying mechanism, first conveying mechanism presss from both sides the subassembly including first slip table and the first clamp that carries platform and a plurality of equidistant setting, peeling means includes the cutting component that first backup pad, rotating assembly and a plurality of equidistant setting.
The problem of the automatic peeling of the coating layer at the end part of the corrugated pipe is solved to a certain extent by the scheme, but the structure needs to axially adjust the position of the corrugated pipe, and the positioning efficiency is low. In addition, the corrugated pipe is lack of necessary support in the cutting process, so that the corrugated pipe is easy to contract inwards, and the cutting effect is influenced.
Disclosure of Invention
In order to solve the technical problem, the coating layer stripping equipment for machining the stainless steel corrugated pipe for the gas appliance is provided.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a coating layer stripping device for processing a stainless steel corrugated pipe for a gas appliance is characterized by comprising a corrugated pipe fixing mechanism, a horizontal moving mechanism, an installation frame, a positioning mechanism, a tensioning mechanism, a stripping mechanism and a material receiving box;
the corrugated pipe fixing mechanism is arranged on the rack and used for fixing the stainless steel corrugated pipe;
the horizontal moving mechanism is arranged on the rack and positioned on one side of the corrugated pipe fixing mechanism, and the moving direction of the horizontal moving mechanism is arranged towards the corrugated pipe fixing mechanism and used for driving the mounting frame to horizontally move;
the mounting frame is arranged on the horizontal moving mechanism and used for mounting the positioning mechanism, the tensioning mechanism, the stripping mechanism and the material receiving box;
the positioning mechanism is arranged on one side, facing the corrugated pipe fixing mechanism, of the mounting frame, and the working end moves along the radial direction of the corrugated pipe and is abutted against the outer wall of the corrugated pipe in a working state so as to position the wave trough of the outer wall of the corrugated pipe;
the tensioning mechanism is arranged on the mounting frame, and the axis of the tensioning mechanism is collinear with the axis of the corrugated pipe in a working state so as to tension the inner wall of the corrugated pipe for cutting;
the stripping mechanism is arranged on one side, facing the corrugated pipe fixing mechanism, of the mounting frame, is arranged around the tensioning mechanism in a working state, is collinear with the axis of the tensioning mechanism, and is used for rotary cutting and stripping the coating layer of the stainless steel corrugated pipe;
and the material receiving box is arranged on the mounting frame and is positioned below the tensioning mechanism, and the opening of the material receiving box faces the tensioning mechanism and is used for receiving the stripped coated rubber ring falling from the rear end of the tensioning mechanism.
Preferably, the corrugated pipe fixing mechanism comprises a support frame and a pipe end clamping assembly;
the supporting frame is arranged on the frame, and the top end of the supporting frame is provided with an arc-shaped groove for placing the corrugated pipe and is used for placing the corrugated pipe;
and the pipe end clamping assembly is arranged at one end of the support frame facing the direction of the horizontal moving mechanism, and is arranged around the corrugated pipe in a working state to fix the corrugated pipe.
Preferably, the positioning mechanism comprises a first mounting plate, an abutting part, a linear driving assembly and a pressure sensor;
the first mounting plate is vertically mounted on the end face, facing the corrugated pipe fixing mechanism, of the mounting frame;
the abutting part is arranged on the linear driving assembly, is in clearance fit with the linear driving assembly, and is arranged along the radial direction of the corrugated pipe in the moving direction so as to abut against the coating layer wrapped outside the corrugated pipe;
the linear driving assembly is arranged on the first mounting plate, moves along the radial direction of the corrugated pipe and is used for driving the abutting part to move;
and the pressure sensor is arranged at the gap between the abutting part and the linear driving assembly and used for detecting the reaction force from the corrugated pipe received by the abutting part.
Preferably, the abutment portion is provided with a tooth face and a first guide bar;
the tooth surface is arranged on one side of the abutting part facing the corrugated pipe, and the tooth space and the tooth width are matched with the wave crest and the wave trough of the corrugated pipe so as to abut against the corrugated pipe;
the first guide rods are arranged around the axis of the abutting portion, are vertically installed on one side, away from the corrugated pipe, of the abutting portion and are in clearance fit with the linear driving assembly, and are used for preventing the abutting portion from deflecting in the circumferential direction.
Preferably, the linear driving assembly comprises a push plate, a second guide rod and a first linear driver;
the push plate is arranged on the first mounting plate in a manner of moving along the radial direction of the corrugated pipe, is in clearance fit with the abutting part, and is fixedly connected with the pressure sensor on one surface facing the abutting part so as to mount the abutting part and the pressure sensor;
the second guide rods are vertically arranged at one end of the push plate, which faces the first mounting plate, and are arranged around the axis of the push plate so as to prevent the push plate from deflecting;
the first linear driver is installed on the first installation plate, the output shaft is fixedly connected with the push plate, and the moving direction is arranged along the radial direction of the corrugated pipe.
Preferably, the tensioning mechanism comprises a guide cylinder, a linear displacement assembly, a tensioning driving assembly and a tensioning block;
the guide cylinder is arranged on the end face of the mounting frame far away from the direction of the corrugated pipe fixing mechanism, and the bottom of the guide cylinder is provided with an opening for falling out of the coating layer of the glass;
the linear displacement assembly is arranged at one end of the guide cylinder, which is far away from the mounting frame, and the output shaft is fixedly connected with the tensioning driving assembly and used for driving the tensioning driving assembly to move in the axial direction of the guide cylinder;
the tensioning driving assembly is connected with the inner wall of the guide cylinder in a sliding manner, the axis of the tensioning driving assembly is collinear with the axis of the guide cylinder, and the tensioning driving assembly is fixedly connected with the output shaft of the linear displacement assembly and used for installing and driving the tensioning block;
and the three tensioning blocks are uniformly arranged on the working end of the tensioning driving assembly around the axis of the tensioning driving assembly, and the outer side shape of the three tensioning blocks is matched with the shape of the inner wall of the corrugated pipe so as to tension the inner wall of the corrugated pipe.
Preferably, the linear displacement assembly comprises a driving bracket and a second linear driver;
the driving bracket is fixedly connected with the tensioning driving component and used for driving the tensioning driving component to move;
and the second linear driver is arranged on the guide cylinder, the output shaft is fixedly connected with the driving support, and the driving direction is arranged along the axial direction of the guide cylinder and is used for driving the driving support to move.
Preferably, the peeling mechanism comprises a rotary guide frame, a rotary part, a knife rest, a peeling knife, a rotary driving assembly and a knife rest adjusting assembly;
the rotary guide frame is arranged on the end face, facing the direction of the corrugated pipe fixing mechanism, of the mounting frame, and the axis of the rotary guide frame is collinear with the axis of the tensioning mechanism;
the rotating part is rotatably arranged on the rotating guide frame, the axis of the rotating part is collinear with the axis of the rotating guide frame, a sliding groove for the tool rest to slide is radially formed in the rotating part, and a tooth socket is formed in the outer wall of the rotating part and used for driving the tool rest to rotate;
a pair of knife rests which are oppositely arranged in the sliding groove of the rotating part and are used for installing a peeling knife;
the peeling knife is detachably arranged at one end of the knife rest, which is arranged oppositely, and is used for cutting the coating layer;
the rotating driving assembly is fixed on the mounting frame, and the output end of the rotating driving assembly is meshed with the outer wall of the rotating part and used for driving the rotating part to rotate around the axis of the rotating part on the rotating guide frame;
and one end of the tool rest adjusting assembly is slidably arranged on the mounting frame, and the other end of the tool rest adjusting assembly is arranged on the rotating part and used for driving the pair of tool rests to mutually approach or separate.
Preferably, the rotary driving assembly comprises a driving gear, a rotating shaft and a first rotary driver;
the driving gear is meshed with a tooth groove on the outer wall of the rotating part and is used for driving the rotating part to rotate;
one end of the rotating shaft is fixedly connected with the driving gear, and the other end of the rotating shaft is rotatably connected with the mounting rack and used for driving the driving gear to rotate;
the first rotary driver is installed on the installation frame, and the output shaft is fixedly connected with the end part of the rotating shaft and used for driving the rotating shaft to rotate.
Preferably, the tool rest adjusting assembly comprises a bidirectional screw rod, a guide rod, a bearing head, a driver bracket, a second rotary driver, a plug connector and a third linear driver;
the two ends of the bidirectional screw are rotatably connected with the rotating part, and are in threaded connection with the tool rests so as to drive the tool rests to move along the axial direction of the bidirectional screw;
the two ends of the guide rod are fixedly connected with the rotating part, the axis of the guide rod is parallel to the axis of the bidirectional screw rod and symmetrical about the axis of the rotating part, and the guide rod is in clearance fit with the pair of tool rests and used for guiding the movement direction of the tool rests;
the bearing head is arranged at the top end of the bidirectional screw rod, is in inserting fit with the plug connector in a working state and is used for driving the bidirectional screw rod to rotate;
the driver bracket is slidably arranged on the mounting bracket and used for driving the driver bracket to move towards or away from the bearing head;
the second rotary driver is arranged on the driver bracket and used for driving the plug connector to rotate;
the plug connector is arranged on an output shaft of the second rotary driver, the axis of the plug connector is collinear with the axis of the bearing head, and the plug connector is in plug fit with the bearing head in a working state and is used for driving the bearing head to rotate;
and the third linear driver is arranged on the mounting frame, the end part of the output shaft is fixedly connected with the driver bracket, and the driving direction faces the bearing head and is used for driving the driver bracket to be close to or far away from the bearing head.
Compared with the prior art, the invention has the beneficial effects that:
1. can conveniently fix a position the trough of bellows outer wall, it is concrete, the controller sends a signal for sharp drive assembly, and sharp drive assembly takes pressure sensor, butt portion to be close to the bellows together after receiving the signal, makes butt portion butt outside the rubber coating of bellows outer parcel then. The coating layer is attached to the wave crest of the corrugated pipe, so that a gap is reserved between the coating layer and the wave trough of the outer wall of the corrugated pipe, and the reaction force applied to the coating layer in the contact part between the wave crest and the wave trough of the corrugated pipe is different. The pressure sensor transmits the reaction force received to the controller, and the controller determines the abutment position based on the reaction force. Compared with the prior art, the scheme avoids the trouble of axially adjusting the position of the corrugated pipe and has high positioning efficiency;
2. tensioning is carried out on the inner wall of the corrugated pipe through the tensioning mechanism, the phenomenon that the cutting effect is influenced by inward shrinkage of the corrugated pipe in the cutting process is avoided, and specifically, the working end of the tensioning driving assembly drives the three tensioning blocks to be in a furled state in the initial state so as to be conveniently inserted into the corrugated pipe. When the tensioning block is inserted into the corrugated pipe and moves to the working position, the controller sends a signal to the tensioning driving assembly, and the tensioning driving assembly drives the tensioning block to be expanded after receiving the signal and then abuts against the inner wall of the corrugated pipe. When the stripping mechanism finishes stripping the coating on the end part of the corrugated pipe, the tensioning driving assembly moves in the direction away from the stripping mechanism in the guide cylinder, so that the stripped coating can fall into the receiving box from the bottom of the guide cylinder. Compared with the prior art, the scheme effectively ensures the cutting and stripping effects.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a perspective view of the bellows retaining mechanism of the present invention;
FIG. 5 is a perspective view of the positioning mechanism of the present invention;
FIG. 6 is an exploded perspective view of FIG. 5;
FIG. 7 is a partial perspective view of the first embodiment of the present invention;
FIG. 8 is an exploded perspective view of FIG. 7;
FIG. 9 is a partial perspective view of the second embodiment of the present invention;
fig. 10 is an exploded perspective view of fig. 9.
The reference numbers in the figures are:
1-a bellows fixing mechanism; 1 a-a support frame; 1 b-a tube end gripping assembly;
2-a horizontal moving mechanism;
3-mounting a frame;
4-a positioning mechanism; 4 a-a first mounting plate; 4 b-an abutment; 4b 1-flank; 4b2 — first guide bar; 4 c-a linear drive assembly; 4c 1-push plate; 4c2 — second guide bar; 4c3 — first linear driver; 4 d-pressure sensor;
5-a tensioning mechanism; 5 a-a guide cylinder; 5 b-a linear displacement assembly; 5b 1-drive carriage; 5b2 — second linear drive; 5 c-a tensioning drive assembly; 5 d-a tensioning block;
6-a stripping mechanism; 6 a-rotating guide frame; 6 b-a rotating part; 6 c-a tool holder; 6 d-a skinning knife; 6 e-a rotary drive assembly; 6e 1-drive gear; 6e 2-rotating shaft; 6e3 — first rotary drive; 6 f-tool holder adjustment assembly; 6f 1-two-way lead screw; 6f 2-guide bar; 6f 3-bearing head; 6f4 — drive carrier; 6f5 — second rotary drive; 6f 6-plug-in connector; 6f 7-third linear drive;
and 7-a material receiving box.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown in fig. 1 to 3, a coating layer stripping device for processing a stainless steel corrugated pipe for a gas appliance comprises a corrugated pipe fixing mechanism 1, a horizontal moving mechanism 2, a mounting frame 3, a positioning mechanism 4, a tensioning mechanism 5, a stripping mechanism 6 and a material receiving box 7;
the corrugated pipe fixing mechanism 1 is arranged on the frame and used for fixing the stainless steel corrugated pipe;
the horizontal moving mechanism 2 is arranged on the rack and positioned on one side of the corrugated pipe fixing mechanism 1, and the moving direction of the horizontal moving mechanism is arranged towards the corrugated pipe fixing mechanism 1 and used for driving the mounting frame 3 to horizontally move;
the mounting frame 3 is arranged on the horizontal moving mechanism 2 and used for mounting the positioning mechanism 4, the tensioning mechanism 5, the stripping mechanism 6 and the material receiving box 7;
the positioning mechanism 4 is arranged on one side, facing the corrugated pipe fixing mechanism 1, of the mounting frame 3, and the working end moves along the radial direction of the corrugated pipe and is abutted against the outer wall of the corrugated pipe in a working state so as to position the wave trough of the outer wall of the corrugated pipe;
the tensioning mechanism 5 is arranged on the mounting frame 3, and the axis of the tensioning mechanism is collinear with the axis of the corrugated pipe in a working state so as to tension the inner wall of the corrugated pipe for cutting;
the stripping mechanism 6 is arranged on one side, facing the corrugated pipe fixing mechanism 1, of the mounting frame 3, is arranged around the tensioning mechanism 5 in a working state, is collinear with the axis of the tensioning mechanism 5, and is used for rotary cutting and stripping the coating layer of the stainless steel corrugated pipe;
and the material receiving box 7 is arranged on the mounting frame 3 and is positioned below the tensioning mechanism 5, and an opening of the material receiving box is arranged towards the tensioning mechanism 5 and used for receiving the stripped coated rubber ring falling from the rear end of the tensioning mechanism 5.
The horizontal moving mechanism 2 is a screw sliding table. The horizontal moving mechanism 2, the positioning mechanism 4, the tensioning mechanism 5 and the peeling mechanism 6 are all electrically connected with a controller. The operator fixes the corrugated pipe on the corrugated pipe fixing mechanism 1 and makes one end of the corrugated pipe extend out of the horizontal moving mechanism 2 and face the horizontal moving mechanism 2. A worker sends a signal to the horizontal moving mechanism 2 through the controller, the horizontal moving mechanism 2 receives the signal and drives the mounting frame 3 to move towards the end part of the corrugated pipe extending out of the corrugated pipe fixing mechanism 1, then the tensioning mechanism 5 is inserted into the corrugated pipe and is collinear with the axis of the corrugated pipe, and the stripping mechanism 6 surrounds the outside of the corrugated pipe. The controller sends a signal to the positioning mechanism 4, the working end of the positioning mechanism 4 is close to the corrugated pipe along the radial direction of the corrugated pipe after receiving the signal, then the corrugated pipe is abutted against the pipe wall of the corrugated pipe, and whether the abutted part is a wave crest or a wave trough is judged according to the received reaction force. When the butt position is the crest, the controller sends a signal to horizontal migration mechanism 2, and horizontal migration mechanism 2 drives mounting bracket 3 and carries out the displacement, cooperates positioning mechanism 4 to find the trough position. The controller then sends a signal to the positioning mechanism 4, and the positioning mechanism 4 resets after receiving the signal. The controller sends a signal to the horizontal movement mechanism 2, the horizontal movement mechanism 2 drives the mounting frame 3 to move after receiving the signal, the moving distance is the distance between the working end of the peeling mechanism 6 and the working end of the positioning mechanism 4, and the positioning mechanism 4 and the peeling mechanism 6 are both fixed on the mounting frame 3, so that the distance is a determined value, and the working ends of the tensioning mechanism 5 and the peeling mechanism 6 are guaranteed to move to the wave trough position of the outer wall of the corrugated pipe. The controller sends a signal to the tensioning mechanism 5, and after the tensioning mechanism 5 receives the signal, the working end of the tensioning mechanism opens in the corrugated pipe, so that supporting force is generated on the inner wall of the corrugated pipe, and subsequent cutting operation is facilitated. And then the controller sends a signal to the stripping mechanism 6, the working end of the stripping mechanism 6 is radially tightened along the corrugated pipe after receiving the signal and performs circular cutting on the corrugated pipe, and the radial displacement distance is set according to the thickness of the coating layer and the depth of the wave trough. After circular cutting, the working end of the stripping mechanism 6 is slightly opened to avoid excessive extrusion force generated by stripping with the wave crest of the outer wall of the corrugated pipe. The controller sends a signal to the tensioning mechanism 5 and the tensioning mechanism 5 is closed. The controller sends a signal to the horizontal moving mechanism 2, and the horizontal moving mechanism 2 receives the signal and drives the mounting frame 3 to move towards the direction away from the corrugated pipe fixing mechanism 1, so that the coating layer cut by the stripping mechanism 6 is stripped from the corrugated pipe. The controller sends a signal to the tensioning mechanism 5, and the working end of the tensioning mechanism 5 moves on the mounting frame 3 in the direction away from the corrugated pipe fixing mechanism 1, so that the stripped coating layer is driven to the bottom opening at the rear end of the tensioning mechanism 5. The coating layer falls from the bottom opening at the rear end of the tensioning mechanism 5 into the material receiving box 7 and is collected.
As shown in fig. 4, the bellows fixing mechanism 1 includes a support frame 1a and a tube end clamping assembly 1 b;
the supporting frame 1a is arranged on the frame, and the top end of the supporting frame is provided with an arc-shaped groove for placing the corrugated pipe and is used for placing the corrugated pipe;
and the pipe end clamping assembly 1b is arranged at one end of the support frame 1a facing the direction of the horizontal moving mechanism 2, and is arranged around the corrugated pipe in a working state to fix the corrugated pipe.
The pipe end clamping assembly 1b is a common fixing structure and can adopt structures such as a cylinder clamping jaw or a hoop. The corrugated pipe placed on the support frame 1a is clamped through the pipe end clamping assembly 1b, so that the corrugated pipe is prevented from axial displacement in a working state, and the positioning effect of the positioning mechanism 4 is ensured.
As shown in fig. 5 and 6, the positioning mechanism 4 includes a first mounting plate 4a, an abutting portion 4b, a linear drive unit 4c, and a pressure sensor 4 d;
the first mounting plate 4a is vertically mounted on the end face, facing the corrugated pipe fixing mechanism 1, of the mounting frame 3;
the abutting part 4b is arranged on the linear driving component 4c, is in clearance fit with the linear driving component 4c, is arranged along the radial direction of the corrugated pipe in the moving direction and is used for abutting against the coating layer wrapped outside the corrugated pipe;
the linear driving assembly 4c is arranged on the first mounting plate 4a, moves along the radial direction of the corrugated pipe and is used for driving the abutting part 4b to move;
and a pressure sensor 4d installed at a gap between the abutting portion 4b and the linear driving unit 4c for detecting a reaction force from the bellows received by the abutting portion 4 b.
The linear driving assembly 4c and the pressure sensor 4d are both electrically connected with the controller. The controller sends a signal to the linear driving assembly 4c, and after receiving the signal, the linear driving assembly 4c brings the pressure sensor 4d and the abutting part 4b to approach the corrugated pipe together, so that the abutting part 4b abuts against the outside of the rubber coating layer wrapped outside the corrugated pipe. Since the coating layer is bonded to the wave crest of the corrugated tube, there is a gap between the coating layer and the wave trough of the outer wall of the corrugated tube, and the reaction force received by the contact portion 4b contacting the coating layer in the wave crest and wave trough section of the corrugated tube is different. The pressure sensor 4d transmits the received reaction force to the controller, and the controller determines the abutment position based on the reaction force.
As shown in fig. 6, the abutment portion 4b is provided with a tooth face 4b1 and a first guide lever 4b 2;
the tooth surface 4b1 is arranged on one side of the abutting part 4b facing the corrugated pipe, and the tooth space and the tooth width are matched with the wave crest and the wave trough of the corrugated pipe so as to tightly abut against the corrugated pipe;
the first guide rods 4b2 are provided in plural numbers, are arranged around the axis of the abutting part 4b, are vertically installed on the side of the abutting part 4b far away from the corrugated pipe and are in clearance fit with the linear driving assembly 4c, and are used for preventing the abutting part 4b from deflecting in the circumferential direction.
When the linear drive unit 4c approaches the bellows, the tooth surface 4b1 abuts on the coating layer of the bellows outer wrap, and the entire abutting portion 4b contracts in the direction of the linear drive unit 4c to compress the pressure sensor 4 d.
The tooth-shaped structure of the tooth surface 4b1 is the same as the wave crest and the wave trough of the outer wall of the corrugated pipe, and the pressure received when the teeth of the tooth surface 4b1 abut against the wave crest of the corrugated pipe is larger, and the pressure received when the teeth abut against the wave trough of the outer wall of the corrugated pipe is smaller.
As shown in fig. 6, the linear driving assembly 4c includes a push plate 4c1, a second guide rod 4c2 and a first linear driver 4c 3;
a push plate 4c1, which is arranged on the first mounting plate 4a in a manner of moving along the radial direction of the corrugated pipe, is in clearance fit with the abutting part 4b, and is fixedly connected with the pressure sensor 4d on one surface facing the abutting part 4b, so as to mount the abutting part 4b and the pressure sensor 4 d;
a plurality of second guide bars 4c2 vertically installed at one end of the push plate 4c1 facing the first installation plate 4a and arranged around the axis of the push plate 4c1 to prevent the push plate 4c1 from deflecting;
and the first linear driver 4c3 is installed on the first installation plate 4a, the output shaft is fixedly connected with the push plate 4c1, and the moving direction is arranged along the radial direction of the corrugated pipe.
The first linear driver 4c3 is an electric push rod electrically connected to the controller. The controller sends a signal to the first linear driver 4c3, and the first linear driver 4c3 drives the push plate 4c1 to move towards the corrugated pipe after receiving the signal, so as to drive the abutting part 4b and the pressure sensor 4d to move towards the corrugated pipe.
As shown in fig. 7 and 8, the tensioning mechanism 5 includes a guide cylinder 5a, a linear displacement assembly 5b, a tensioning drive assembly 5c and a tensioning block 5 d;
the guide cylinder 5a is arranged on the end face of the mounting frame 3 far away from the direction of the corrugated pipe fixing mechanism 1, and the bottom of the guide cylinder is provided with an opening for falling out of a coating layer of glass;
the linear displacement assembly 5b is installed at one end, far away from the mounting frame 3, of the guide cylinder 5a, and an output shaft is fixedly connected with the tensioning driving assembly 5c and used for driving the tensioning driving assembly 5c to move in the axial direction of the guide cylinder 5 a;
the tensioning driving component 5c is connected with the inner wall of the guide cylinder 5a in a sliding way, the axis of the tensioning driving component is collinear with the axis of the guide cylinder 5a, and the tensioning driving component is fixedly connected with the output shaft of the linear displacement component 5b and used for installing and driving the tensioning block 5 d;
and the three tensioning blocks 5d are uniformly arranged on the working end of the tensioning driving assembly 5c around the axis of the tensioning driving assembly 5c, and the outer side shapes of the three tensioning blocks are matched with the shapes of the inner walls of the corrugated pipes so as to tension the inner walls of the corrugated pipes.
The tensioning drive assembly 5c is a three-jaw chuck. The linear displacement assembly 5b and the tensioning driving assembly 5c are both electrically connected with the controller. The working end of the tension driving assembly 5c in the initial state drives the three tension blocks 5d in the closed state so as to be inserted into the corrugated pipe. When the tensioning block 5d is inserted into the corrugated pipe and moves to the working position, the controller sends a signal to the tensioning driving component 5c, and the tensioning driving component 5c receives the signal and drives the tensioning block 5d to open and then abut against the inner wall of the corrugated pipe. After the stripping mechanism 6 finishes stripping the coating on the end of the corrugated pipe, the tension driving component 5c moves in the direction away from the stripping mechanism 6 in the guide cylinder 5a, so that the stripped coating can fall into the receiving box 7 from the bottom of the guide cylinder 5 a.
As shown in fig. 8, the linear displacement assembly 5b comprises a driving bracket 5b1 and a second linear driver 5b 2;
the driving bracket 5b1 is fixedly connected with the tensioning driving component 5c and used for driving the tensioning driving component 5c to move;
and the second linear driver 5b2 is arranged on the guide cylinder 5a, and the output shaft is fixedly connected with the driving bracket 5b1, and the driving direction is arranged along the axial direction of the guide cylinder 5a and is used for driving the driving bracket 5b1 to move.
The second linear actuator 5b2 is an electric push rod electrically connected to the controller. The controller sends a signal to the second linear actuator 5b2 that the second linear actuator 5b2 drives the drive carriage 5b1 to slide the tension drive assembly 5c within the guide cylinder 5a in the direction of the axis of the guide cylinder 5 a. The guide convex block arranged on the outer wall of the tensioning driving component 5c is matched with the guide groove on the inner wall of the guide cylinder 5a, so that the tensioning driving component 5c is prevented from deflecting.
As shown in fig. 9 and 10, the peeling mechanism 6 includes a rotary guide frame 6a, a rotary part 6b, a knife rest 6c, a peeling knife 6d, a rotary driving assembly 6e, and a knife rest adjusting assembly 6 f;
the rotary guide frame 6a is arranged on the end face of the mounting frame 3 facing the direction of the corrugated pipe fixing mechanism 1, and the axis of the rotary guide frame is collinear with the axis of the tensioning mechanism 5;
the rotating part 6b is rotatably arranged on the rotating guide frame 6a, the axis of the rotating part is collinear with the axis of the rotating guide frame 6a, a sliding groove for the tool rest 6c to slide is radially formed in the rotating part, and a tooth socket is formed in the outer wall of the rotating part and used for driving the tool rest 6c to rotate;
a pair of tool holders 6c provided in the slide groove of the rotating portion 6b in a facing manner for mounting the peeling blades 6 d;
a skinning knife 6d detachably mounted on one end of the knife holder 6c disposed opposite to each other for cutting the coating layer;
the rotary driving assembly 6e is fixed on the mounting frame 3, and the output end of the rotary driving assembly is meshed with the outer wall of the rotary part 6b so as to drive the rotary part 6b to rotate around the axis of the rotary driving assembly on the rotary guide frame 6 a;
a blade holder adjusting unit 6f having one end slidably provided on the mounting frame 3 and the other end provided on the rotating portion 6b for driving the pair of blade holders 6c toward and away from each other.
The rotary driving assembly 6e and the tool rest adjusting assembly 6f are electrically connected with the controller. The controller sends a signal to the blade holder adjustment assembly 6f, and the blade holder adjustment assembly 6f, upon receiving the signal, drives the pair of blade holders 6c toward each other, thereby bringing the cutting edge of the skinning knife 6d radially into abutment against the outer wall of the coating of the corrugated tubing. The controller sends a signal to the rotary driving assembly 6e, and the rotary driving assembly 6e receives the signal and drives the rotary part 6b to rotate on the rotary guide frame 6a, so that the knife rest 6c is driven to rotate around the axis of the corrugated pipe together with the peeling knife 6d, and the coated layer is peeled off.
As shown in fig. 10, the rotary driving assembly 6e includes a driving gear 6e1, a rotating shaft 6e2 and a first rotary driver 6e 3;
a driving gear 6e1 engaged with the tooth grooves on the outer wall of the rotating part 6b for driving the rotating part 6b to rotate;
one end of the rotating shaft 6e2 is fixedly connected with the driving gear 6e1, and the other end of the rotating shaft is rotatably connected with the mounting rack 3 and used for driving the driving gear 6e1 to rotate;
and the first rotary driver 6e3 is installed on the mounting frame 3, and the output shaft is fixedly connected with the end part of the rotating shaft 6e2 and used for driving the rotating shaft 6e2 to rotate.
The first rotary actuator 6e3 is a servomotor with a speed reducer attached thereto and electrically connected to the controller. The controller sends a signal to the first rotary driver 6e3, and the first rotary driver 6e3 in turn drives the rotary shaft 6e2 and the driving gear 6e1 to rotate, and further drives the rotary part 6b to rotate on the rotary guide frame 6a around its axis.
As shown in fig. 10, the tool rest adjusting assembly 6f comprises a bidirectional screw 6f1, a guide rod 6f2, a bearing head 6f3, a driver bracket 6f4, a second rotary driver 6f5, a plug-in connector 6f6 and a third linear driver 6f 7;
a bidirectional screw 6f1, both ends of which are rotatably connected with the rotating part 6b, and are in threaded connection with a pair of tool rests 6c, for driving the tool rests 6c to move along the axial direction of the bidirectional screw 6f 1;
two ends of the guide rod 6f2 are fixedly connected with the rotating part 6b, the axis of the guide rod is parallel to the axis of the bidirectional screw 6f1 and is symmetrical about the axis of the rotating part 6b, and the guide rod is in clearance fit with the pair of tool rests 6c and is used for guiding the movement direction of the tool rests 6 c;
the bearing head 6f3 is arranged at the top end of the bidirectional screw rod 6f1, is in inserted connection and matching with the plug-in connector 6f6 in a working state and is used for driving the bidirectional screw rod 6f1 to rotate;
the driver bracket 6f4 is slidably arranged on the mounting frame 3 and is used for driving the driver bracket 6f4 to move towards or away from the bearing head 6f 3;
a second rotary driver 6f5, mounted on the driver bracket 6f4, for driving the plug 6f6 to rotate;
the plug-in connector 6f6 is arranged on an output shaft of the second rotary driver 6f5, the axis of the plug-in connector is collinear with the axis of the bearing head 6f3, and the plug-in connector is plugged and matched with the bearing head 6f3 in a working state to drive the bearing head 6f3 to rotate;
and the third linear driver 6f7 is installed on the mounting frame 3, and the end part of the output shaft is fixedly connected with the driver bracket 6f4 and is driven towards the bearing head 6f3 to drive the driver bracket 6f4 to be close to or far away from the bearing head 6f 3.
The second rotary driver 6f5 is a servo motor, and the third linear driver 6f7 is an electric push rod. The second rotary driver 6f5 and the third linear driver 6f7 are both electrically connected to the controller. The driver bracket 6f4, the second rotary driver 6f5 and the plug 6f6 form a structure which moves together, and the controller drives the driver bracket 6f4, the second rotary driver 6f5 and the plug 6f6 to integrally move towards the bearing head 6f3 at the end part of the bidirectional screw 6f1 through the third linear driver 6f7, so that the bearing head 6f3 and the plug 6f6 are mutually butted. The cross sections of the bearing head 6f3 and the plug-in connector 6f6 are both hexagonal structures, after the socket connection and the matching, the controller controls the second rotary driver 6f5 to work, the second rotary driver 6f5 drives the plug-in connector 6f6 to rotate so as to drive the bearing head 6f3 to rotate, and then the bidirectional screw 6f1 is rotated. The bidirectional screw 6f1 moves the pair of tool holders 6c toward and away from each other. The guide bar 6f2 has a guiding and balancing effect on the movement of the tool holder 6c on the other side of the tool holder 6 c.
The working principle of the invention is as follows:
the device realizes the functions of the invention through the following steps, thereby solving the technical problems provided by the invention:
firstly, a worker fixes the corrugated pipe on the corrugated pipe fixing mechanism 1 and enables one end of the corrugated pipe to extend out of the horizontal moving mechanism 2 and face the horizontal moving mechanism 2.
And step two, the worker sends a signal to the horizontal moving mechanism 2 through the controller, the horizontal moving mechanism 2 receives the signal and then drives the mounting frame 3 to move towards the end part of the corrugated pipe extending out of the corrugated pipe fixing mechanism 1, then the tensioning mechanism 5 is inserted into the corrugated pipe and is collinear with the axis of the corrugated pipe, and the stripping mechanism 6 surrounds the outside of the corrugated pipe.
And step three, the controller sends a signal to the positioning mechanism 4, the working end of the positioning mechanism 4 is close to the corrugated pipe along the radial direction of the corrugated pipe after receiving the signal, then the working end of the positioning mechanism is abutted against the pipe wall of the corrugated pipe, and whether the abutted part is a wave crest or a wave trough is judged according to the received reaction force.
And step four, when the abutting part is a wave crest, the controller sends a signal to the horizontal moving mechanism 2, the horizontal moving mechanism 2 drives the mounting frame 3 to displace, and the positioning mechanism 4 is matched to find the position of the wave trough.
And step five, the controller sends a signal to the positioning mechanism 4, and the positioning mechanism 4 resets after receiving the signal.
And step six, the controller sends a signal to the horizontal moving mechanism 2, the horizontal moving mechanism 2 drives the mounting frame 3 to move after receiving the signal, the moving distance is the distance between the working end of the stripping mechanism 6 and the working end of the positioning mechanism 4, and the positioning mechanism 4 and the stripping mechanism 6 are both fixed on the mounting frame 3, so that the distance is a determined value, and the working ends of the tensioning mechanism 5 and the stripping mechanism 6 are guaranteed to move to the wave trough position of the outer wall of the corrugated pipe.
And seventhly, the controller sends a signal to the tensioning mechanism 5, and after the tensioning mechanism 5 receives the signal, the working end of the tensioning mechanism opens in the corrugated pipe, so that supporting force is generated on the inner wall of the corrugated pipe, and subsequent cutting operation is facilitated.
And step eight, the controller sends a signal to the stripping mechanism 6, after the stripping mechanism 6 receives the signal, the working end is radially tightened along the corrugated pipe and performs circular cutting on the corrugated pipe, and the radial displacement distance is set according to the thickness of the coating layer and the depth of the wave trough.
And step nine, after circular cutting, slightly opening the working end of the stripping mechanism 6 to avoid overlarge extrusion force generated by stripping with the wave crest of the outer wall of the corrugated pipe.
Step ten, the controller sends a signal to the tensioning mechanism 5, and the tensioning mechanism 5 is folded. The controller sends a signal to the horizontal moving mechanism 2, and the horizontal moving mechanism 2 receives the signal and drives the mounting frame 3 to move towards the direction away from the corrugated pipe fixing mechanism 1, so that the coating layer cut by the stripping mechanism 6 is stripped from the corrugated pipe.
Step eleven, the controller sends a signal to the tensioning mechanism 5, and the working end of the tensioning mechanism 5 moves on the mounting frame 3 in the direction away from the corrugated pipe fixing mechanism 1, so that the stripped coating layer is driven to the bottom opening at the rear end of the tensioning mechanism 5. The coating layer falls from the bottom opening at the rear end of the tensioning mechanism 5 into the material receiving box 7 and is collected.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A coating layer stripping device for processing a stainless steel corrugated pipe for a gas appliance is characterized by comprising a corrugated pipe fixing mechanism (1), a horizontal moving mechanism (2), an installation frame (3), a positioning mechanism (4), a tensioning mechanism (5), a stripping mechanism (6) and a material receiving box (7);
the corrugated pipe fixing mechanism (1) is arranged on the rack and used for fixing the stainless steel corrugated pipe;
the horizontal moving mechanism (2) is arranged on the rack and positioned on one side of the corrugated pipe fixing mechanism (1), and the moving direction of the horizontal moving mechanism is arranged towards the corrugated pipe fixing mechanism (1) and used for driving the mounting rack (3) to horizontally move;
the mounting frame (3) is arranged on the horizontal moving mechanism (2) and used for mounting the positioning mechanism (4), the tensioning mechanism (5), the stripping mechanism (6) and the material receiving box (7);
the positioning mechanism (4) is arranged on one side, facing the corrugated pipe fixing mechanism (1), of the mounting frame (3), and the working end moves along the radial direction of the corrugated pipe and is abutted against the outer wall of the corrugated pipe in a working state so as to position the wave trough of the outer wall of the corrugated pipe;
the tensioning mechanism (5) is arranged on the mounting frame (3), and the axis of the tensioning mechanism is collinear with the axis of the corrugated pipe in a working state so as to tension the inner wall of the corrugated pipe to facilitate cutting;
the stripping mechanism (6) is arranged on one side, facing the corrugated pipe fixing mechanism (1), of the mounting frame (3), is arranged around the tensioning mechanism (5) in a working state, is collinear with the axis of the tensioning mechanism (5), and is used for rotary cutting and stripping the coating layer of the stainless steel corrugated pipe;
and the material receiving box (7) is arranged on the mounting frame (3) and is positioned below the tensioning mechanism (5), and the opening of the material receiving box faces the tensioning mechanism (5) and is used for receiving the stripped coated rubber ring falling from the rear end of the tensioning mechanism (5).
2. The coating stripping device for processing the stainless steel corrugated pipe for the gas appliance according to claim 1, wherein the corrugated pipe fixing mechanism (1) comprises a support frame (1 a) and a pipe end clamping assembly (1 b);
the supporting frame (1 a) is arranged on the rack, and the top end of the supporting frame is provided with an arc-shaped groove for placing the corrugated pipe and is used for placing the corrugated pipe;
and the pipe end clamping assembly (1 b) is arranged at one end of the support frame (1 a) facing the direction of the horizontal moving mechanism (2), and is arranged around the corrugated pipe in a working state to fix the corrugated pipe.
3. The coating layer stripping device for processing the stainless steel corrugated pipe for the gas appliance according to claim 1, wherein the positioning mechanism (4) comprises a first mounting plate (4 a), an abutting part (4 b), a linear driving assembly (4 c) and a pressure sensor (4 d);
the first mounting plate (4 a) is vertically mounted on the end face, facing the corrugated pipe fixing mechanism (1), of the mounting frame (3);
the abutting part (4 b) is arranged on the linear driving component (4 c), is in clearance fit with the linear driving component (4 c), and is arranged along the radial direction of the corrugated pipe in the moving direction so as to abut against the coating layer wrapped outside the corrugated pipe;
the linear driving assembly (4 c) is arranged on the first mounting plate (4 a) and moves along the radial direction of the corrugated pipe so as to drive the abutting part (4 b) to move;
and the pressure sensor (4 d) is arranged at the gap between the abutting part (4 b) and the linear driving assembly (4 c) and is used for detecting the reaction force from the corrugated pipe, which is received by the abutting part (4 b).
4. The coating-peeling apparatus for working a stainless steel bellows for a gas appliance according to claim 3, wherein the abutting portion (4 b) is provided with a tooth surface (4 b 1) and a first guide rod (4 b 2);
the tooth surface (4 b 1) is arranged on one side of the abutting part (4 b) facing the corrugated pipe, and the tooth space and the tooth width are matched with the wave crest and the wave trough of the corrugated pipe so as to abut against the corrugated pipe;
and the first guide rods (4 b 2) are provided in plurality and are arranged around the axis of the abutting part (4 b), are vertically arranged on one side of the abutting part (4 b) far away from the corrugated pipe and are in clearance fit with the linear driving assembly (4 c) so as to prevent the abutting part (4 b) from deflecting in the circumferential direction.
5. The coating-peeling apparatus for corrugated stainless steel pipe processing for gas appliance according to claim 3, wherein the linear driving unit (4 c) comprises a push plate (4 c 1), a second guide rod (4 c 2) and a first linear driver (4 c 3);
the push plate (4 c 1) is arranged on the first mounting plate (4 a) in a manner of moving along the radial direction of the corrugated pipe, is in clearance fit with the abutting part (4 b), and is fixedly connected with the pressure sensor (4 d) on one surface facing the abutting part (4 b) so as to mount the abutting part (4 b) and the pressure sensor (4 d);
a plurality of second guide bars (4 c 2) vertically installed at one end of the push plate (4 c 1) facing the first installation plate (4 a) and arranged around the axis of the push plate (4 c 1) for preventing the push plate (4 c 1) from deflecting;
and the first linear driver (4 c 3) is installed on the first installation plate (4 a), the output shaft is fixedly connected with the push plate (4 c 1), and the moving direction of the first linear driver is arranged along the radial direction of the corrugated pipe.
6. The coating stripping device for processing the stainless steel corrugated pipe for the gas appliance according to claim 1, wherein the tensioning mechanism (5) comprises a guide cylinder (5 a), a linear displacement assembly (5 b), a tensioning driving assembly (5 c) and a tensioning block (5 d);
the guide cylinder (5 a) is installed on the end face of the installation frame (3) far away from the direction of the corrugated pipe fixing mechanism (1), and the bottom of the guide cylinder is provided with an opening for falling out of the coating layer of the glass;
the linear displacement assembly (5 b) is mounted at one end, far away from the mounting frame (3), of the guide cylinder (5 a), and an output shaft is fixedly connected with the tensioning driving assembly (5 c) and used for driving the tensioning driving assembly (5 c) to move in the axial direction of the guide cylinder (5 a);
the tensioning driving component (5 c) is connected with the inner wall of the guide cylinder (5 a) in a sliding mode, the axis of the tensioning driving component is collinear with the axis of the guide cylinder (5 a), and the tensioning driving component is fixedly connected with an output shaft of the linear displacement component (5 b) and used for installing and driving a tensioning block (5 d);
and the tensioning blocks (5 d) are provided with three tensioning blocks, are uniformly arranged on the working end of the tensioning driving assembly (5 c) around the axis of the tensioning driving assembly (5 c), and are matched with the inner wall of the corrugated pipe in shape at the outer side so as to tension the inner wall of the corrugated pipe.
7. The coating-stripping device for processing stainless steel corrugated pipe for gas appliance according to claim 6, wherein the linear displacement assembly (5 b) comprises a driving bracket (5 b 1) and a second linear driver (5 b 2);
the driving bracket (5 b 1) is fixedly connected with the tensioning driving component (5 c) and used for driving the tensioning driving component (5 c) to move;
and the second linear driver (5 b 2) is installed on the guide cylinder (5 a), the output shaft is fixedly connected with the driving bracket (5 b 1), and the driving direction is arranged along the axial direction of the guide cylinder (5 a) and is used for driving the driving bracket (5 b 1) to move.
8. The coating layer stripping device for processing the stainless steel corrugated pipe for the gas appliance according to claim 1, wherein the stripping mechanism (6) comprises a rotary guide frame (6 a), a rotary part (6 b), a tool rest (6 c), a stripping knife (6 d), a rotary driving assembly (6 e) and a tool rest adjusting assembly (6 f);
the rotary guide frame (6 a) is arranged on the end face, facing the direction of the corrugated pipe fixing mechanism (1), of the mounting frame (3), and the axis of the rotary guide frame is collinear with the axis of the tensioning mechanism (5);
the rotating part (6 b) is rotatably arranged on the rotating guide frame (6 a), the axis of the rotating part is collinear with the axis of the rotating guide frame (6 a), a sliding groove for the tool rest (6 c) to slide is radially formed in the rotating part, and a tooth socket is formed in the outer wall of the rotating part and used for driving the tool rest (6 c) to rotate;
a pair of tool holders (6 c) which are provided in the slide groove of the rotating portion (6 b) in the opposite direction and on which the skinning knife (6 d) is mounted;
a skinning knife (6 d) detachably mounted on one end of the knife rest (6 c) which is arranged oppositely for cutting the coating layer;
the rotary driving assembly (6 e) is fixed on the mounting frame (3), the output end of the rotary driving assembly is meshed with the outer wall of the rotary part (6 b) and used for driving the rotary part (6 b) to rotate around the axis of the rotary driving assembly on the rotary guide frame (6 a);
and the tool rest adjusting assembly (6 f) is provided with one end which can be arranged on the mounting frame (3) in a sliding way and the other end which is arranged on the rotating part (6 b) and is used for driving the pair of tool rests (6 c) to move close to or away from each other.
9. The coating stripping device for processing the stainless steel corrugated pipe for the gas appliance according to claim 8, wherein the rotary driving assembly (6 e) comprises a driving gear (6 e 1), a rotating shaft (6 e 2) and a first rotary driver (6 e 3);
a driving gear (6 e 1) engaged with the tooth grooves on the outer wall of the rotating part (6 b) for driving the rotating part (6 b) to rotate;
one end of the rotating shaft (6 e 2) is fixedly connected with the driving gear (6 e 1), and the other end of the rotating shaft is rotatably connected with the mounting rack (3) and used for driving the driving gear (6 e 1) to rotate;
and the first rotary driver (6 e 3) is arranged on the mounting frame (3), and the output shaft is fixedly connected with the end part of the rotating shaft (6 e 2) and used for driving the rotating shaft (6 e 2) to rotate.
10. The coating stripping device for processing the stainless steel corrugated pipe for the gas appliance according to claim 8, wherein the tool rest adjusting assembly (6 f) comprises a bidirectional screw (6 f 1), a guide rod (6 f 2), a bearing head (6 f 3), a driver bracket (6 f 4), a second rotary driver (6 f 5), a plug-in connector (6 f 6) and a third linear driver (6 f 7);
the two-way lead screw (6 f 1), both ends are connected with the rotating part (6 b) in a rotating way, and are in threaded connection with a pair of tool rests (6 c) for driving the tool rests (6 c) to move along the axial direction of the two-way lead screw (6 f 1);
the two ends of the guide rod (6 f 2) are fixedly connected with the rotating part (6 b), the axis of the guide rod is parallel to the axis of the bidirectional screw rod (6 f 1), is symmetrical about the axis of the rotating part (6 b), and is in clearance fit with the pair of tool rests (6 c) to guide the moving direction of the tool rests (6 c);
the bearing head (6 f 3) is arranged at the top end of the bidirectional screw rod (6 f 1), is in inserted connection and matching with the plug-in connector (6 f 6) in a working state and is used for driving the bidirectional screw rod (6 f 1) to rotate;
the driver bracket (6 f 4) is slidably arranged on the mounting rack (3) and is used for driving the driver bracket (6 f 4) to move in the direction close to or far away from the bearing head (6 f 3);
the second rotary driver (6 f 5) is arranged on the driver bracket (6 f 4) and is used for driving the plug connector (6 f 6) to rotate;
the plug connector (6 f 6) is arranged on an output shaft of the second rotary driver (6 f 5), the axis of the plug connector is collinear with the axis of the bearing head (6 f 3), and the plug connector is plugged and matched with the bearing head (6 f 3) in a working state to drive the bearing head (6 f 3) to rotate;
and the third linear driver (6 f 7) is installed on the mounting frame (3), the end part of the output shaft is fixedly connected with the driver bracket (6 f 4), and the driving direction of the third linear driver faces to the bearing head (6 f 3) and is used for driving the driver bracket (6 f 4) to be close to or far away from the bearing head (6 f 3).
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