CN210023919U

CN210023919U - Lathe for double end faces of electric heating tube

Info

Publication number: CN210023919U
Application number: CN201920922696.1U
Authority: CN
Inventors: 李周文; 韩灼宏; 张伟健
Original assignee: Foshan Ming Xing Technology Development Co Ltd
Current assignee: Foshan Ming Xing Technology Development Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-02-07
Anticipated expiration: 2029-06-18

Abstract

The utility model belongs to the technical field of electrothermal tube processing equipment and specifically relates to an electrothermal tube bi-polar face lathe, including being used for the clamping device of centre gripping electrothermal tube respectively and carrying out the two sets of cutting device that process to the electrothermal tube both ends respectively, cutting device includes cutting tool, a rotatory blade holder that is used for centre gripping cutting tool, a feed mechanism that is used for driving the rotatory rotating electrical machines of rotatory blade holder and is used for driving the rotatory rotating electrical machines along the axle center direction removal of electrothermal tube, the rotation center of rotatory blade holder is equipped with the hole of stepping down that the lead wire stick of power supply heat pipe passed, cutting tool and the hole of stepping down stagger and are used for cutting the tubular metal resonator. The utility model discloses two sets of cutting device of well electrothermal tube bi-polar face lathe can once carry out cutting process to the electrothermal tube both ends simultaneously, and the tubular metal resonator of cutting tool direct cutting electrothermal tube to cutting tool staggers with the pin rod of electrothermal tube in the course of working, can also prevent to cut off the pin rod.

Description

Lathe for double end faces of electric heating tube

Technical Field

The utility model belongs to the technical field of the electrothermal tube processing equipment and specifically relates to an electrothermal tube bi-polar face lathe.

Background

The electrothermal tube is an electric element specially converting electric energy into heat energy, and is characterized by that it uses metal tube as shell, and in the metal tube an electrothermal element is mounted, and the gap between metal tube and electrothermal element is filled with insulating heat-conducting powder, and two ends of tube mouth are sealed by using insulating glue. The production process of the electric heating tube generally comprises metal tube blanking, electric heating wire winding, electric heating wire welding wire rods, powder filling, pipe contraction, a vehicle head, a bent pipe and the like. The outer diameter of the electric heating tube after being contracted can reach the design size and the insulating heat conducting powder in the metal tube is pressed more densely, so the contracted tube is an important process for producing the electric heating tube. However, after the tubular electric heating element is contracted, the length of the metal tube is increased and exceeds the design size, and both ends of the metal tube need to be cut to make the length of the metal tube reach the design size. The lathe in the prior art utilizes rotary fixture to clamp the electrothermal tube and drive the electrothermal tube to rotate, and then cuts the metal end face through the cutter, and this kind of processing mode can only process a terminal surface once to cut off the lead bar easily in the cutting process, consequently, need an electrothermal tube bi-polar face lathe, can once carry out simultaneous processing to the both ends of electrothermal tube, can also prevent to cut off the lead bar.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a electrothermal tube bi-polar face lathe is provided, can once carry out simultaneous processing to the both ends of electrothermal tube, can also prevent to cut off the lead bar.

The utility model discloses an electrothermal tube bi-polar face lathe, including the clamping device who is used for the centre gripping electrothermal tube and carry out the two sets of cutting device that process to the electrothermal tube both ends respectively, cutting device includes cutting tool, is used for centre gripping cutting tool's rotatory blade holder, is used for driving the rotating electrical machines that rotatory blade holder is rotatory and is used for driving the feed mechanism that the axle center direction of rotating electrical machines along the electrothermal tube removed, the centre of rotation of rotatory blade holder is equipped with the hole of stepping down that the lead wire stick of power supply heat pipe passed, cutting tool and the hole of stepping down stagger and are used for cutting the tubular metal resonator of electrothermal tube.

As the improvement of above-mentioned scheme, the utility model discloses an electrothermal tube bi-polar face lathe still includes the controller, is used for placing the goods shelves of waiting to process the electrothermal tube, is used for shifting the electrothermal tube on the goods shelves one by one to the top tube device on the clamping device, is used for placing the finished product frame of processed electrothermal tube and shifting the lower tube device of finished product frame to the last processed electrothermal tube of clamping device, goods shelves set up in the clamping device top, the finished product frame sets up in the clamping device below, equal and the controller electric connection of clamping device, rotating electrical machines, feed mechanism, top tube device and lower tube device.

As an improvement of the scheme, the goods shelf is provided with a sliding groove for the power supply heat pipe to slide onto the clamping device and a placing inclined plane for the power supply heat pipe to slide onto the sliding groove, the width of the sliding groove is 1.1-1.3 times of the diameter of the electric heating pipe, the pipe feeding device comprises a first stop block, a second stop block arranged above the first stop block, a first cylinder driving the first stop block to move back and forth and a second cylinder driving the second stop block to move back and forth, the first stop block is arranged at an outlet of the sliding groove, and the distance between the second stop block and the first stop block is equal to the diameter of the electric heating pipe.

As an improvement of the above scheme, the tube feeding device further comprises a first photoelectric switch for detecting whether the electric heating tube is arranged above the second stopper.

As an improvement of the above scheme, the tube lowering device comprises a third block and a third cylinder for driving the third block to move back and forth, and the third block is used for supporting the electric heating tube falling into the clamping device.

As an improvement of the scheme, the clamping device comprises a first clamping block, a second clamping block, a fourth cylinder and a second photoelectric switch, wherein the fourth cylinder is used for driving the second clamping block and the first clamping block to open and close, the second photoelectric switch is used for detecting whether the electric heating tube is arranged between the first clamping block and the second clamping block, and the first clamping block and the second clamping block are both provided with arc surfaces used for being in contact with the outer side surface of the electric heating tube.

As the improvement of above-mentioned scheme, the utility model discloses an electrothermal tube bi-polar face lathe is still including the frame that is used for bearing cutting device and the position control device who is used for adjusting two sets of cutting device relative position, position control device includes slider, the drive slider of slidable mounting in the frame and follows the lead screw and the drive lead screw pivoted driver part that the electrothermal tube axle center removed, and wherein a set of cutting device installs on the slider.

The utility model discloses a lathe with electrothermal tube double end faces, a feeding mechanism adopts a stroke-adjustable gas-liquid pressure cylinder.

Implement the utility model discloses, following beneficial effect has:

when the electric heating pipe cutting machine works, the electric heating pipe is clamped on the clamping device, then the feeding distance of the feeding mechanism is set, the rotating motor is started and drives the rotating tool apron to rotate, the rotating tool apron drives the cutting tool to rotate synchronously, the feeding mechanism drives the rotating motor to move towards the end face of the electric heating pipe, the cutting tool moves towards the electric heating pipe while rotating, metal of the electric heating pipe is cut, the lead bar of the electric heating pipe enters the abdicating hole in the rotating tool apron and is staggered with the cutting tool, and when the moving distance of the feeding mechanism reaches the set value, the feeding mechanism resets, and end face machining of the electric heating pipe is completed. The utility model discloses two sets of cutting device of well electrothermal tube bi-polar face lathe can once carry out cutting process to the electrothermal tube both ends simultaneously, and the tubular metal resonator of cutting tool direct cutting electrothermal tube to cutting tool staggers with the pin rod of electrothermal tube in the course of working, can also prevent to cut off the pin rod.

Drawings

FIG. 1 is a schematic structural view of a lathe for machining two end faces of an electrical heating tube in an embodiment of the present invention;

FIG. 2 is a schematic view of the embodiment of the present invention showing the installation of a cutting tool on a rotary tool holder;

FIG. 3 is a schematic structural view of a rack and a tube loading device according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a tube lowering device and a clamping device according to an embodiment of the present invention;

fig. 5 is a schematic circuit diagram of a double-end-face lathe for electric heating tubes in an embodiment of the present invention.

In the figure: 1. a clamping device; 2. a cutting device; 21. a cutting tool; 22. rotating the tool apron; 23. a rotating electric machine; 24. a feed mechanism; 221. a hole of abdication; 3. a controller; 4. a shelf; 5. a pipe feeding device; 6. a finished product rack; 7. a pipe lowering device; 41. a chute; 42. placing an inclined plane; 51. a first stopper; 52. A second stopper; 53. a first cylinder; 54. a second cylinder; 55. a first photoelectric switch; 71. a third stopper; 72. a third cylinder; 11. a first clamping block; 12. a second clamp block; 13. a fourth cylinder; 14. a second photoelectric switch; 8. a frame; 9. a position adjusting device; 91. a slider; 92. a screw rod; 93. a drive member; 10. an electric heating tube.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so as to more clearly understand the technical idea claimed in the present invention. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.

As shown in fig. 1-5, an electric heating tube double-end-face lathe in an embodiment of the present invention includes a clamping device 1 for clamping an electric heating tube 10 and two sets of cutting devices 2 for processing two ends of the electric heating tube 10, respectively, where the cutting devices 2 include a cutting tool 21, a rotary tool holder 22 for clamping the cutting tool 21, a rotary motor 23 for driving the rotary tool holder 22 to rotate, and a feeding mechanism 24 for driving the rotary motor 23 to move along an axial direction of the electric heating tube. The two groups of clamping devices 1 are arranged in the embodiment, and the two groups of clamping devices 1 are respectively used for clamping the left end and the right end of the electric heating tube 10, are suitable for the longer electric heating tube 10 and can effectively prevent the electric heating tube 10 from deforming in the end face machining process. Fig. 2 is a schematic view of the installation of the cutting tool 21 on the rotary tool holder 22, wherein the view direction of fig. 2 is a left side view of the group of clamping devices 1 on the right side in fig. 1, the rotation center of the rotary tool holder 22 is provided with an abdicating hole 221 for the lead bar of the electric heating tube 10 to pass through, and the cutting tool 21 is staggered from the abdicating hole 221 and used for cutting the metal tube of the electric heating tube 10. The rotary tool holder 22 is provided with a slide groove 41 for mounting the cutting tool 21 and a locking bolt for locking the position of the cutting tool 21, and the cutting device 2 can be adapted to the electric heating tubes 10 having different outer diameters by adjusting the relative positions of the cutting tool 21 and the rotary tool holder 22.

The utility model discloses well electrothermal tube bi-polar face lathe's concrete working process does: the electric heating tube 10 is clamped on the clamping device 1, then the feeding distance of the feeding mechanism 24 is set, the rotating motor 23 is started and drives the rotating tool holder 22 to rotate, the rotating tool holder 22 drives the cutting tool 21 to synchronously rotate, the feeding mechanism 24 drives the rotating motor 23 to move towards the end face of the electric heating tube 10, the cutting tool 21 moves towards the electric heating tube 10 while rotating, metal of the electric heating tube 10 is cut, a wire leading rod of the electric heating tube 10 enters the abdicating hole 221 on the rotating tool holder 22 and is staggered with the cutting tool 21, and when the moving distance of the feeding mechanism 24 reaches the set value, the feeding mechanism 24 resets, and end face machining of the electric heating tube 10 is completed.

The utility model discloses two sets of cutting device 2 of well electrothermal tube bi-polar face lathe can once carry out cutting process to electrothermal tube 10 both ends simultaneously, and cutting tool 21 directly cuts the tubular metal resonator of electrothermal tube 10 to cutting tool 21 staggers with the pin that leads of electrothermal tube 10 in the course of working, can also prevent to cut off the pin.

Further, the utility model discloses an electrothermal tube bi-polar face lathe still preferably includes controller 3, is used for placing the goods shelves 4 of waiting to process electrothermal tube 10, is used for shifting electrothermal tube 10 on goods shelves 4 one by one to last pipe feeding device 5 on clamping device 1, be used for placing finished product frame 6 of processed electrothermal tube 10 and shifting finished product frame 6's low tube device 7 to last processed electrothermal tube 10 of clamping device 1, goods shelves 4 set up in clamping device 1 top, finished product frame 6 sets up in clamping device 1 below, clamping device 1, rotating electrical machines 23, feed mechanism 24, pipe feeding device 5 and low tube device 7 all with 3 electric connection of controller. The utility model discloses controller 3 adopts PLC, can carry out logical operation, sequence control, timing, count to control the work of each part.

A worker places the electric heating tube 10 on the shelf 4, the tube feeding device 5 transfers one electric heating tube 10 to the clamping device 1, the clamping device 1 clamps the electric heating tube 10, and the cutting device 2 processes the electric heating tube 10; after the cutting device 2 finishes processing the electric heating tube 10, the clamping device 1 loosens the electric heating tube 10, and the tube placing device 7 transfers the processed electric heating tube 10 to the finished product rack 6; the upper tube device 5 moves the next electric heating tube 10 to the clamping device 1, and the lathe for the double end faces of the electric heating tube enters the next working cycle. Through the cooperation of the tube feeding device 5, the clamping device 1, the cutting device 2 and the tube discharging device 7, the automatic tube feeding and tube discharging of the electric heating tube 10 are realized, and the participation rate of workers is reduced.

It should be noted that the shelf 4 is provided with a chute 41 through which the power supply heat pipe 10 slides onto the clamping device 1 and a placing inclined surface 42 through which the power supply heat pipe 10 slides onto the chute 41, the shelf 4 comprises two bilaterally symmetrical side frames and a guide rod connecting the two side frames, one of the side frames is fixed, and the other side frame is adjustable in position, so that the relative position between the two side frames is adjustable, and the lathe with two end faces of the electric heating pipe can adapt to electric heating pipes 10 with different lengths. The width of the chute 41 is 1.1-1.3 times of the diameter of the electric heating tube 10, so that the chute 41 can only pass through one electric heating tube 10 at the same time. The tube feeding device 5 comprises a first stopper 51, a second stopper 52 arranged above the first stopper 51, a first cylinder 53 driving the first stopper 51 to move back and forth, and a second cylinder 54 driving the second stopper 52 to move back and forth, wherein the first stopper 51 is arranged at the outlet of the chute 41, and the distance between the second stopper 52 and the first stopper 51 is equal to the diameter of the electrothermal tube 10. At the beginning, the first stopper 51 is in a closed state and the second stopper 52 is in an open state, and a worker places a heating tube above the first stopper 51; the second stopper 52 is turned to a closed state to prevent the electric heating tube 10 above the electric heating tube 10 at the lowest position from falling; the first stop 51 is turned to be opened, and the electric heating tube 10 at the lowest position falls onto the clamping device 1; after the first stopper 51 is turned to the closed state, the second stopper 52 is turned to the open state, the electric heating tube 10 on the shelf 4 falls above the first stopper 51, and the tube feeding device 5 enters the next working cycle. More specifically, the tube feeding device 5 further preferably includes a first photoelectric switch 55 for detecting whether the electrothermal tube 10 is above the second stopper 52, and when the first photoelectric switch 55 detects that the electrothermal tube 10 is not above the second stopper 52, the electrothermal tube 10 needs to be replenished to the shelf 4, and the tube feeding device 5 stops working.

The tube lowering device 7 preferably includes a third stopper 71 for holding the electrical heating tube 10 dropped into the clamping device 1 and a third cylinder 72 for driving the third stopper 71 to move back and forth. The electric heating tube 10 falls to the front of the third stop 71, the third stop 71 is located right below the electric heating tube 10, until the electric heating tube 10 is processed, the third cylinder 72 drives the third stop 71 to move, and the electric heating tube 10 falls to the finished product rack 6.

In addition, the clamping device 1 preferably includes a first clamping block 11, a second clamping block 12, a fourth cylinder 13 for driving the second clamping block 12 to open and close with the first clamping block 11, and a second photoelectric switch 14 for detecting whether the electric heating tube 10 is present between the first clamping block 11 and the second clamping block 12, wherein the first clamping block 11 and the second clamping block 12 are both provided with arc surfaces for contacting with the outer side surface of the electric heating tube 10. When the electric heating tube 10 falls into the holding device 1, the fourth cylinder 13 drives the second clamping block 12 and the first clamping block 11 to clamp tightly, and meanwhile, when the second photoelectric switch 14 detects that there is no electric heating tube 10 between the first clamping block 11 and the second clamping block 12, that is, the cutting device 2 completes the processing of the electric heating tube 10 and the processed electric heating tube 10 is removed, the next electric heating tube 10 can be processed.

Specifically, the utility model discloses an electrothermal tube bi-polar face lathe is still preferred including the frame 8 that is used for bearing cutting device 2 and the position adjustment device 9 that is used for adjusting two sets of cutting device 2 relative position, position adjustment device 9 includes slider 91, the lead screw 92 and the drive screw 92 pivoted driver part 93 that the drive slider 91 of slidable mounting on frame 8 removed along electrothermal tube 10 axle center, and driver part 93 can adopt motor or hand wheel, and what show in the drawing is that driver part 93 adopts the hand wheel, thereby can make lead screw 92 rotate and reach the purpose of slider 91 position. One group of cutting devices 2 is mounted on the sliding block 91, and the other group of cutting devices 2 is fixedly mounted on the frame 8, so that the distance between the two groups of cutting devices 2 is adjustable, and the lathe for machining the two end faces of the electric heating tube can machine the electric heating tube 10 with different lengths.

It should be noted that the feeding mechanism 24 adopts a stroke-adjustable gas-liquid pressure cylinder, and a worker adjusts the stroke of the feeding mechanism 24 according to actual requirements, so that the cutting length of the electrothermal tube 10 is adjustable, and the output of the gas-liquid pressure cylinder is stable, so that the feeding of the cutting tool 21 is stable.

The above is only the concrete embodiment of the present invention, and not therefore the limit of the patent scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A lathe for double end faces of an electric heating tube is characterized in that: including the clamping device who is used for centre gripping electrothermal tube and carry out the two sets of cutting device that process to the electrothermal tube both ends respectively, cutting device includes cutting tool, the rotatory blade holder that is used for centre gripping cutting tool, is used for driving the rotatory rotating electrical machines of rotatory blade holder and is used for driving the feed mechanism that the axle center direction of rotating electrical machines along the electrothermal tube removed, the centre of rotation of rotatory blade holder is equipped with the hole of stepping down that the lead wire stick of power supply heat pipe passed, cutting tool staggers with the hole of stepping down and is used for cutting the tubular metal resonator of electrothermal tube.

2. The lathe for machining the double end faces of the electric heating tube as claimed in claim 1, wherein: the electric heating tube processing device is characterized by further comprising a controller, a shelf for placing electric heating tubes to be processed, a tube feeding device for transferring the electric heating tubes on the shelf to the clamping device one by one, a finished product shelf for placing the processed electric heating tubes and a tube discharging device for transferring the processed electric heating tubes on the clamping device to the finished product shelf, wherein the shelf is arranged above the clamping device, the finished product shelf is arranged below the clamping device, and the clamping device, the rotating motor, the feeding mechanism, the tube feeding device and the tube discharging device are all electrically connected with the controller.

3. The lathe for machining the double end faces of the electric heating tube as claimed in claim 2, wherein: the rack is provided with a sliding groove for the power supply heat pipe to slide onto the clamping device and a placing inclined plane for the power supply heat pipe to slide onto the sliding groove, the width of the sliding groove is 1.1-1.3 times of the diameter of the electric heating pipe, the pipe feeding device comprises a first stop block, a second stop block arranged above the first stop block, a first cylinder driving the first stop block to move back and forth and a second cylinder driving the second stop block to move back and forth, the first stop block is arranged at an outlet of the sliding groove, and the distance between the second stop block and the first stop block is equal to the diameter of the electric heating pipe.

4. A lathe for machining two end faces of an electrical heating tube as claimed in claim 3, wherein: the tube feeding device also comprises a first photoelectric switch for detecting whether the electrothermal tube is arranged above the second stop block.

5. The lathe for machining the double end faces of the electric heating tube as claimed in claim 2, wherein: the tube placing device comprises a third stop block and a third air cylinder for driving the third stop block to move back and forth, and the third stop block is used for supporting an electric heating tube falling into the clamping device.

6. A lathe for machining a double end face of an electrical heating tube as claimed in any one of claims 1 to 5, wherein: the clamping device comprises a first clamping block, a second clamping block, a fourth cylinder and a second photoelectric switch, wherein the fourth cylinder is used for driving the second clamping block and the first clamping block to open and close, the second photoelectric switch is used for detecting whether the electric heating tube exists between the first clamping block and the second clamping block, and the first clamping block and the second clamping block are both provided with arc surfaces used for being in contact with the outer side surface of the electric heating tube.

7. A lathe for machining a double end face of an electrical heating tube as claimed in any one of claims 1 to 5, wherein: the electric heating tube cutting device is characterized by further comprising a rack for supporting the cutting devices and a position adjusting device for adjusting the relative positions of the two groups of cutting devices, wherein the position adjusting device comprises a sliding block, a screw rod and a driving part, the sliding block is slidably mounted on the rack, the screw rod drives the sliding block to move along the axis of the electric heating tube, the driving part drives the screw rod to rotate, and one group of cutting devices is mounted on the sliding block.

8. A lathe for machining a double end face of an electrical heating tube as claimed in any one of claims 1 to 5, wherein: the feeding mechanism adopts a stroke-adjustable gas-liquid pressure cylinder.