CN119115093B

CN119115093B - PTC electric heater shovel tooth-shaped structure cutting equipment with intelligent positioning function

Info

Publication number: CN119115093B
Application number: CN202411612782.4A
Authority: CN
Inventors: 程超; 程卫国
Original assignee: Jiangsu Shazi Electrical Appliance Co ltd
Current assignee: Jiangsu Shazi Electrical Appliance Co ltd
Priority date: 2024-11-13
Filing date: 2024-11-13
Publication date: 2025-04-08
Anticipated expiration: 2044-11-13
Also published as: CN119115093A

Abstract

The invention discloses a PTC electric heater shovel-tooth structure cutting device with an intelligent positioning function. The cutting device comprises a base, a workbench, a moving mechanism, a cutting mechanism and a positioning mechanism. The workbench is tightly connected to the base, the moving mechanism is tightly connected to the workbench, the cutting mechanism is tightly connected to the workbench, the moving mechanism is transmission-connected to the positioning mechanism, the positioning mechanism is slidingly connected to the workbench, and the positioning mechanism is used for clamping and positioning the workpiece. During processing, the workpiece is first placed on the positioning mechanism, the positioning mechanism starts to automatically position and clamp the workpiece, and the positioning mechanism can drive the workpiece to flip, so as to realize double-sided processing of the workpiece, the moving mechanism is used to drive the positioning mechanism to move to a position suitable for processing on the workbench, and the cutting mechanism starts to cut the workpiece, so as to cut out heat dissipation fins on both sides of the workpiece.

Description

PTC electric heater shovel tooth-shaped structure cutting equipment with intelligent positioning function

Technical Field

The invention relates to the technical field of gear shoveling machines, in particular to a PTC electric heater gear shoveling structure cutting device with an intelligent positioning function.

Background

The principle of operation of PTC heaters is based on the characteristics of their materials, typically made of heat sensitive ceramic materials. When the PTC heater is energized, heat is generated by current passing through the device. As the temperature increases, the resistance of the device increases, limiting further current flow, achieving the effect of automatic stabilization and limiting the final temperature. This self-regulating nature makes the PTC heater very effective in controlling temperature and preventing overheating.

In application, PTC heaters are commonly used in various devices such as water heaters, air heaters, dryers, electric kettles and the like, as well as heating and temperature control systems in industrial equipment. Its advantages include quick response, high energy efficiency, high stability and safety, so it is widely used.

In order to ensure the heat dissipation efficiency of the PTC heater, an aluminum pipe with heat dissipation fins is often adopted as a heat dissipation element, the aluminum pipe is generally machined by a gear cutting machine, the heat dissipation fins are cut out at two sides of the aluminum pipe, however, when the aluminum pipe is machined by the existing cutting equipment, the aluminum pipe is often required to be clamped and positioned for many times, so that the requirement of double-side machining is met, the positioning precision is not high, in addition, when the aluminum pipe is cut, the aluminum pipe is easily deformed during machining because the wall surface is thinner, the yield is not ensured, and the stress accumulated at the cutting position of a workpiece is easily caused by cutting heat generated during machining.

Disclosure of Invention

The invention aims to provide a cutting device with an intelligent positioning function and a PTC electric heater tooth-shaped structure, which solves the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme that the cutting equipment comprises a base, a workbench, a moving mechanism, a cutting mechanism and a positioning mechanism, wherein the workbench is fixedly connected with the base, the moving mechanism is fixedly connected with the workbench, the cutting mechanism is fixedly connected with the workbench, the moving mechanism is in transmission connection with the positioning mechanism, the positioning mechanism is in sliding connection with the workbench, and the positioning mechanism is used for clamping and positioning a workpiece.

When in machining, the workpiece is firstly placed on the positioning mechanism, the positioning mechanism starts to automatically position and clamp the workpiece, the positioning mechanism can drive the workpiece to turn over, double-sided machining of the workpiece is realized, the moving mechanism is used for driving the positioning mechanism to move a position suitable for machining on the workbench, and the cutting mechanism starts to cut the workpiece, so that radiating fins are cut on two sides of the workpiece.

Further, be equipped with drive chamber and guide way on the workstation, moving mechanism includes drive motor, lead screw and slip table, and drive motor and workstation fastening connection, drive motor's output and lead screw transmission are connected, and the lead screw rotates with the workstation to be connected, and the lead screw is connected with the slip table transmission, and the lead screw is located the drive chamber, slip table and guide way sliding connection.

The drive chamber is used for holding moving mechanism, and the guide way is used for providing the direction for positioning mechanism, and during processing, drive motor starts, gives the lead screw with moment of torsion transmission to drive the slip table and do rectilinear motion along the guide way, and then drive the positioning mechanism motion on the slip table, thereby carry out the processing operation to the work piece of fixing on positioning mechanism.

Further, the positioning mechanism comprises a self-locking motor, a positioning assembly and a clamping assembly, the self-locking motor is fixedly connected with the sliding table, the output end of the self-locking motor is in transmission connection with the positioning assembly, and the clamping assembly is fixedly connected with the sliding table;

During clamping, the clamping component is clamped with the positioning component.

The positioning assembly is matched with the inner hole of the square aluminum pipe to be processed in size, the square aluminum pipe is inserted into the positioning assembly at first during positioning, the positioning assembly is used for positioning a workpiece, the center of the workpiece is matched with the center of the positioning assembly, then the clamping assembly acts to fix the workpiece, the workpiece is prevented from shaking during processing, after one surface of the workpiece is processed, the self-locking motor is started to drive the positioning assembly to overturn, and the workpiece is driven to overturn to the other surface for processing.

Further, locating component includes the rotating block, adjust the cylinder, first locating plate, the second locating plate, the transmission shaft, axle sleeve and connecting rod, the rotating block is connected with self-locking motor's output transmission, be equipped with spout and movable chamber on the rotating block, adjust cylinder and rotating block fastening connection, adjust the cylinder and be located movable intracavity, adjust cylinder's output and transmission shaft transmission connection, transmission shaft and movable chamber sliding connection, axle sleeve and rotating block fastening connection, the axle sleeve cover is established on the transmission shaft, first locating plate and second locating plate and spout sliding connection, first locating plate is located the upper and lower both sides of transmission shaft, the second locating plate is located the left and right sides of transmission shaft, be equipped with the opening on the axle sleeve, the opening on the axle sleeve is passed to the one end of connecting rod is articulated with the transmission shaft, the other end of connecting rod is articulated with first locating plate and second locating plate respectively.

The movable cavity is used for providing an installation position for the adjusting cylinder and guiding the transmission shaft, after the workpiece is placed on the positioning assembly, the adjusting cylinder is started to drive the transmission shaft to move along the movable cavity towards the rotating block, the first positioning plate and the second positioning plate are outwards expanded along the sliding groove under the driving of the connecting rod hinged with the transmission shaft so as to be propped against the inner wall of the workpiece, the self-locking motor is started to drive the rotating block to overturn after one surface of the workpiece is processed, the center of the workpiece is driven to be matched with the center of the transmission shaft, the automatic positioning of the workpiece is realized, and after the first positioning plate and the second positioning plate are propped against the inner wall of the workpiece, additional support can be provided for the workpiece, deformation of the workpiece is prevented during processing, and the yield is improved.

Further, the width of the first locating plate is larger than that of the second locating plate.

Because the cross section of the inner hole of the workpiece is rectangular, the width of the first positioning plate is set larger than that of the second positioning plate in order to match the inner holes of the workpiece with the first positioning plate and the second positioning plate.

Further, the clamping assembly comprises a first air cylinder, a second air cylinder, a cross beam and a clamping plate, the first air cylinder is fixedly connected with the sliding table, the output end of the first air cylinder is in transmission connection with the cross beam, the second air cylinder is fixedly connected with the cross beam, the output end of the second air cylinder is hinged with the clamping cricket, a positioning block is arranged on one side of the clamping plate, facing to the positioning assembly, of which the diameter is matched with that of the shaft sleeve.

When the positioning assembly is used for positioning a workpiece, the clamping assembly is started to clamp the workpiece, the first air cylinder is started to drive the cross beam to move upwards to the same height as the positioning assembly, then the second air cylinder is started to drive the clamping plate to move to one side of the positioning assembly so as to be abutted to the workpiece to clamp the workpiece, the clamping plate can rotate together when the positioning assembly is overturned, movement interference is avoided, the clamping plate ball is hinged to the output end of the second air cylinder, and in addition, the positioning block is arranged on the clamping plate and can be clamped onto an inner hole of the shaft sleeve, so that the stability in clamping is improved.

Further, be equipped with annular runner on the rotating block, annular runner's import external coolant liquid, annular runner's export is equipped with the liquid outlet towards the grip block on the grip block, first locating plate is equipped with a plurality of sunk areas and protruding district towards one side of transmission shaft, form cooling runner between two first locating plates, be equipped with the cooling chamber on the first locating plate, feed liquor runner and liquid runner, the position and the protruding district of cooling chamber are corresponding, feed liquor runner and liquid runner communicate with the cooling chamber respectively, the feed liquor runner is located the sunk area, the liquid runner is located protruding district, still be equipped with temperature control assembly on the first locating plate, temperature control assembly is located liquid runner department, temperature control assembly is used for controlling the coolant liquid flow in the cooling chamber.

When the workpiece is cut, a large amount of cutting heat can be generated, if the workpiece cannot be cooled in time, stress is accumulated at the cutting position, so that the radiating fins are easy to break, but in an existing cooling mode, cooling liquid is often sprayed to the surface of the workpiece directly, heat cannot be dissipated to the inner wall of the aluminum pipe, so that the cooling efficiency is inconsistent, stress concentration is easy to cause, the annular flow passage is formed on the rotating block, the cooling liquid enters an inner hole of the aluminum pipe through the annular flow passage to realize cooling of the inner wall of the aluminum pipe, after cooling is finished, the cooling liquid is discharged through a liquid outlet on the clamping plate, but after the cooling liquid enters the inner part of the aluminum pipe, the cooling liquid flows along the cooling flow passage formed between the two first positioning plates, and cannot be in direct contact with the inner wall of the aluminum pipe, a cooling cavity is arranged on the first positioning plate, the opening of the cooling cavity faces the workpiece, so that the cooling liquid can be in direct contact with the inner wall of the aluminum pipe, the radiating efficiency is improved, in addition, a plurality of contraction sections and expansion sections are formed in the cooling flow passage through the first positioning plate, the cooling liquid flow rate is reduced when the flow passage flows through the annular flow passage, the cooling liquid flows through the contraction section, the cooling liquid flow rate is increased, the temperature is increased, the pressure is not in the cooling flow channel is increased, the temperature is not change, and the temperature is controlled in the cooling flow channels, and the temperature is not change, and the temperature is not in the flow area, and the temperature is controlled, and the temperature is not in the flow is in the cooling flow area, but the flow is not change is subjected to the temperature change, and the temperature is subjected to the temperature change.

Further, the temperature control assembly comprises an electromagnet, an adjusting block, a reset spring and a thermistor, wherein an adjusting groove is formed in the first positioning plate, the electromagnet is fixedly connected with the adjusting groove, the adjusting block is slidably connected with the adjusting groove, an overflow hole is formed in the adjusting block and made of ferromagnetic materials, the overflow hole is eccentrically arranged with the liquid outlet flow channel, one end of the reset spring is fixedly connected with the adjusting block, the other end of the reset spring is fixedly connected with the inner wall of the adjusting groove, the thermistor is fixedly connected with the inner wall of the liquid outlet flow channel, and the thermistor is in ferroelectric connection with the electromagnet.

When the cutting position is positioned in a cooling cavity at a certain position, the temperature of cooling liquid in the cooling cavity at the position is higher, when the cutting position flows out through a liquid outlet flow passage, the temperature of a thermistor positioned on the inner wall of the liquid outlet flow passage is also increased, the resistance is increased, a detection circuit is formed by externally connecting the thermistor with a detection power supply, when the resistance of the thermistor is detected to be increased, the current transmitted to the electromagnet is correspondingly reduced, the magnetic force of the electromagnet is reduced, the attraction force to the adjusting block is reduced, the adjusting block moves to one side along an adjusting groove under the action of the elastic force of the restoring spring, the flow of the cooling liquid in the cooling cavity is correspondingly increased, the cooling efficiency is improved, the cooling efficiency of the aluminum pipe is adjusted in real time according to different cutting positions, and the generation of thermal stress is reduced.

Further, the cutting mechanism comprises a support, a power cylinder and a cutter, the support is fixedly connected with the workbench, the power cylinder is fixedly connected with the support, the output end of the power cylinder is in transmission connection with the cutter, a sliding groove is formed in the support, and the cutter is in sliding connection with the sliding groove.

The support is fixed on the workbench to provide stable support for the cutting mechanism, the power cylinder is a main power source of the cutting mechanism, and the cutter is driven to reciprocate along the sliding groove through the reciprocating motion of the power cylinder during cutting operation, so that the cutting operation of a workpiece is realized.

Compared with the prior art, the cooling device has the beneficial effects that the first positioning plate and the second positioning plate are arranged around the transmission shaft and synchronously expand outwards by taking the transmission shaft as the center under the driving of the adjusting cylinder, so that the center of a workpiece is driven to be matched with the center of the transmission shaft, the automatic positioning of the position of the workpiece is realized, the first positioning plate and the second positioning plate are abutted to the inner wall of the workpiece, the workpiece can be provided with additional support, the workpiece is prevented from being deformed during processing, the yield is improved, the cooling cavity is arranged on the first positioning plate, the opening of the cooling cavity faces the workpiece, the cooling liquid can be directly contacted with the inner wall of the aluminum pipe, the heat dissipation efficiency is improved, in addition, the plurality of concave areas and convex areas are arranged on the first positioning plate, a plurality of contraction sections and expansion sections are formed in the cooling flow channel, the cooling liquid is reduced in the cross section due to the fact that the overflow cross section is reduced, the flow speed is increased, the cooling liquid pressure of the contraction section is lower, the pressure of the inlet of the liquid flow channel at the outlet is lower than the pressure of the workpiece, the cooling liquid flow channel is prevented from being deformed during processing, the cooling cavity is further controlled by the cooling cavity, the heat dissipation efficiency is increased, the cooling flow is not changed in the cooling cavity, and the real-time is realized, and the cooling efficiency is not changed, and the cooling flow is also is controlled by the cooling cavity.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

FIG. 1 is a schematic general construction of the present invention;

FIG. 2 is a schematic view of a movement mechanism of the present invention;

FIG. 3 is a schematic view of a positioning mechanism of the present invention;

FIG. 4 is a partial A-direction enlargement of FIG. 3;

FIG. 5 is a schematic view of a positioning assembly;

FIG. 6 is a partial B-direction enlargement of FIG. 5;

FIG. 7 is a schematic flow diagram of a coolant of the present invention;

FIG. 8 is an enlarged view of part C of FIG. 7;

FIG. 9 is a schematic diagram of a temperature control assembly of the present invention;

FIG. 10 is a schematic view of a cutting mechanism of the present invention;

In the figure, a base, a 2-workbench, a 21-transmission chamber, a 22-guide groove, a 3-moving mechanism, a 31-transmission motor, a 32-screw rod, a 33-sliding table, a 4-cutting mechanism, a 41-bracket, a 42-power cylinder, a 43-cutter, a 5-positioning mechanism, a 51-self-locking motor, a 52-positioning component, a 521-rotating block, a 5211-sliding groove, a 5212-movable cavity, a 5213-annular runner, a 522-adjusting cylinder, a 523-first positioning plate, a 5231-concave area, a 5232-convex area, a 5233-cooling cavity, a 5234-liquid inlet runner, a 5235-liquid outlet runner, a 5236-adjusting groove, a 524-second positioning plate, a 525-transmission shaft, a 526-shaft sleeve, a 527-connecting rod, a 53-clamping component, a 531-first cylinder, a 532-second cylinder, a 533-cross beam, a 534-clamping plate, a 5341-liquid outlet, a 535-positioning block, a 54-temperature component, a 541-electromagnet, a 542-adjusting block, a 5421-overcurrent, a 543-reset spring and a 544-thermistor are arranged.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-10, the present invention provides the following technical solutions:

The cutting equipment comprises a base 1, a workbench 2, a moving mechanism 3, a cutting mechanism 4 and a positioning mechanism 5, wherein the workbench 2 is fixedly connected with the base 1, the moving mechanism 3 is fixedly connected with the workbench 2, the cutting mechanism 4 is fixedly connected with the workbench 2, the moving mechanism 3 is in transmission connection with the positioning mechanism 5, the positioning mechanism 5 is in sliding connection with the workbench 2, and the positioning mechanism 5 is used for clamping and positioning a workpiece.

When in machining, the workpiece is firstly placed on the positioning mechanism 5, the positioning mechanism 5 is started to automatically position and clamp the workpiece, the positioning mechanism 5 can drive the workpiece to turn over, double-sided machining of the workpiece is realized, the moving mechanism 3 is used for driving the positioning mechanism 5 to move a position suitable for machining on the workbench 2, and the cutting mechanism 4 is started to cut the workpiece, so that radiating fins are cut on two sides of the workpiece.

The workbench 2 is provided with a transmission chamber 21 and a guide groove 22, the moving mechanism 3 comprises a transmission motor 31, a screw rod 32 and a sliding table 33, the transmission motor 31 is fixedly connected with the workbench 2, the output end of the transmission motor 31 is in transmission connection with the screw rod 32, the screw rod 32 is in rotation connection with the workbench 2, the screw rod 32 is in transmission connection with the sliding table 33, the screw rod 32 is positioned in the transmission chamber 21, and the sliding table 33 is in sliding connection with the guide groove 22.

The transmission chamber 21 is used for accommodating the moving mechanism 3, the guide groove 22 is used for providing guidance for the positioning mechanism 5, and during processing, the transmission motor 31 is started to transmit torque to the screw rod 32, so that the sliding table 33 is driven to make linear movement with the guide groove 22, and further the positioning mechanism 5 on the sliding table 33 is driven to move, so that the workpiece fixed on the positioning mechanism 5 is processed.

The positioning mechanism 5 comprises a self-locking motor 51, a positioning component 52 and a clamping component 53, the self-locking motor 51 is fixedly connected with the sliding table 33, the output end of the self-locking motor 51 is in transmission connection with the positioning component 52, and the clamping component 53 is fixedly connected with the sliding table 33;

during clamping, the clamping component 53 is clamped with the positioning component 52.

The positioning assembly 52 is matched with the inner hole of the square aluminum pipe to be processed, the square aluminum pipe is inserted into the positioning assembly 52 at first during positioning, the positioning assembly 52 positions the workpiece, the center of the workpiece is matched with the center of the positioning assembly 52, then the clamping assembly 53 acts to fix the workpiece, the workpiece is prevented from shaking during processing, after one surface of the workpiece is processed, the self-locking motor 51 is started to drive the positioning assembly 52 to overturn, and the workpiece is driven to overturn to the other surface for processing.

The positioning assembly 52 comprises a rotating block 521, an adjusting cylinder 522, a first positioning plate 523, a second positioning plate 524, a transmission shaft 525, a shaft sleeve 526 and a connecting rod 527, wherein the rotating block 521 is in transmission connection with the output end of the self-locking motor 51, the rotating block 521 is provided with a sliding groove 5211 and a movable cavity 5212, the adjusting cylinder 522 is in fastening connection with the rotating block 521, the adjusting cylinder 522 is positioned in the movable cavity 5212, the output end of the adjusting cylinder 522 is in transmission connection with the transmission shaft 525, the transmission shaft 525 is in sliding connection with the movable cavity 5212, the shaft sleeve 526 is in fastening connection with the rotating block 521, the shaft sleeve 526 is sleeved on the transmission shaft 525, the first positioning plate 523 and the second positioning plate 524 are in sliding connection with the sliding groove 5211, the first positioning plate 523 is positioned on the upper side and the lower side of the transmission shaft 525, the second positioning plate 524 is positioned on the left side and the right side of the transmission shaft 525, an opening is arranged on the shaft sleeve 526, one end of the connecting rod 527 is hinged with the transmission shaft 525 through the opening on the shaft sleeve 526, and the other end of the connecting rod 527 is respectively hinged with the first positioning plate 523 and the second positioning plate 524.

The movable cavity 5212 is used for providing a mounting position for the adjusting cylinder 522 and guiding the transmission shaft 525, after the workpiece is placed on the positioning assembly 52, the adjusting cylinder 522 is started to drive the transmission shaft 525 to move along the movable cavity towards the rotating block 521, the first positioning plate 523 and the second positioning plate 524 are outwards expanded along the sliding groove 5211 under the driving of the connecting rod 527 hinged with the transmission shaft 525 so as to be abutted to the inner wall of the workpiece, the first positioning plate 523 and the second positioning plate 524 are synchronously outwards expanded by taking the transmission shaft 525 as the center, so that the center of the workpiece is driven to be matched with the center of the transmission shaft 525, the automatic positioning of the position of the workpiece is realized, and after the first positioning plate 523 and the second positioning plate 524 are abutted to the inner wall of the workpiece, the workpiece can be provided with additional support to prevent the workpiece from deforming during processing, and the yield is improved.

The first locating plate 523 has a width greater than that of the second locating plate 524.

Since the inner hole section of the work is rectangular, the width of the first positioning plate 523 is set larger than that of the second positioning plate 524 in order for the first positioning plate 523 and the second positioning plate 524 to match the inner hole of the work.

The clamping assembly 53 comprises a first air cylinder 531, a second air cylinder 532, a beam 533 and a clamping plate 534, wherein the first air cylinder 531 is fixedly connected with the sliding table 33, the output end of the first air cylinder 531 is in transmission connection with the beam 533, the second air cylinder 532 is fixedly connected with the beam 533, the output end of the second air cylinder 532 is in ball joint with the clamping plate 534, a positioning block 535 is arranged on one side of the clamping plate 534, facing the positioning assembly 52, and the diameter of the positioning block 535 is matched with the diameter of the shaft sleeve 526.

When the positioning assembly 52 is used for positioning a workpiece, the clamping assembly 53 is started to clamp the workpiece, the first air cylinder 531 is started to drive the cross beam 533 to move upwards to the same height as the positioning assembly 52, then the second air cylinder 532 is started to drive the clamping plate 534 to move towards one side of the positioning assembly 52 so as to abut against the workpiece to clamp the workpiece, in order that the clamping plate 534 can rotate together when the positioning assembly 52 is overturned, movement interference is avoided, the clamping plate 534 is hinged to the output end of the second air cylinder 532 in a ball mode, in addition, the positioning block 535 is arranged on the clamping plate 534 and can be clamped onto an inner hole of the shaft sleeve 526, and the stability during clamping is improved.

The rotating block 521 is provided with an annular flow passage 5213, an inlet of the annular flow passage 5213 is externally connected with cooling liquid, an outlet of the annular flow passage 5213 faces the clamping plate 534, a liquid outlet 5341 is formed in the clamping plate 534, a plurality of concave areas 5231 and convex areas 5232 are formed in one side of the first positioning plate 523, which faces the transmission shaft 525, a cooling flow passage is formed between the two first positioning plates 523, a cooling cavity 5233, a liquid inlet flow passage 5234 and a liquid outlet flow passage 5235 are formed in the first positioning plate 523, the position of the cooling cavity 5233 corresponds to the convex areas 5232, the liquid inlet flow passage 5234 and the liquid outlet flow passage 5235 are respectively communicated with the cooling cavity 5233, the liquid inlet flow passage 5234 is located in the concave areas 5231, the liquid outlet flow passage 5235 is located in the convex areas 5232, a temperature control assembly 54 is further arranged on the first positioning plate 523, and the temperature control assembly 54 is located in the liquid outlet flow passage 5235 and used for controlling the cooling liquid flow in the cooling cavity 5233.

When a workpiece is cut, a large amount of cutting heat is generated, if the workpiece cannot be cooled in time, stress is accumulated at a cutting position, so that a radiating fin is easy to break, however, in the existing cooling mode, cooling liquid is often sprayed directly to the surface of the workpiece, the inner wall of an aluminum pipe cannot be cooled, so that the cooling efficiency of the inner side and the outer side of the aluminum pipe is inconsistent, stress concentration is easy to cause, through the annular flow passage 5213 formed in the rotating block 521, the cooling liquid enters an inner hole of the aluminum pipe through the annular flow passage 5213, the inner wall of the aluminum pipe is cooled, and after the cooling is finished, the cooling liquid is discharged through a liquid outlet 5341 in the clamping plate 534; however, after the cooling liquid enters the aluminum pipe, the cooling liquid flows along the cooling flow passage formed between the two first positioning plates 523 and cannot directly contact the inner wall of the aluminum pipe, the cooling cavity 5233 is arranged on the first positioning plates 523, the opening of the cooling cavity 5233 faces the workpiece, so that the cooling liquid can directly contact the inner wall of the aluminum pipe, the heat dissipation efficiency is improved, in addition, a plurality of concave areas 5231 and convex areas 5232 are arranged on the first positioning plates 523, a plurality of contraction sections and expansion sections are formed in the cooling flow passage, when the cooling liquid flows through the contraction sections, the flow speed is increased due to the fact that the flow speed is reduced, the cooling liquid pressure of the contraction sections is lower, the pressure at the outlet of the liquid outlet passage 5235 is lower than the pressure at the inlet of the liquid inlet passage 5234, the cooling liquid flow in the cooling cavity 5233 can be promoted under the action of the pressure difference, the cooling efficiency is further improved, in addition, when the cutting operation is performed, the cutting position is changed continuously, the heat accumulation area is changed continuously, the cooling liquid flow in the plurality of cooling cavities 5233 is controlled through the temperature control assembly 54, and the cooling liquid flow in the cooling areas are regulated in real time.

The temperature control assembly 54 comprises an electromagnet 541, an adjusting block 542, a reset spring 543 and a thermistor 544, wherein an adjusting groove 5236 is formed in the first positioning plate 523, the electromagnet 541 is in fastening connection with the adjusting groove 5236, the adjusting block 542 is in sliding connection with the adjusting groove 5236, an overflow hole 5421 is formed in the adjusting block 542, the adjusting block 542 is made of ferromagnetic materials, the overflow hole 5421 is eccentrically arranged with the liquid outlet flow channel 5235, one end of the reset spring 543 is in fastening connection with the adjusting block 542, the other end of the reset spring 543 is in fastening connection with the inner wall of the adjusting groove 5236, the thermistor 544 is in fastening connection with the inner wall of the liquid outlet flow channel 5235, and the thermistor 544 is electrically connected with the electromagnet 541.

When the temperature control assembly 54 is in an initial state, the electromagnet 541 is electrified, the regulating block 542 is attracted by the electromagnet 541, the reset spring is stressed and stretched, when the cutting position is positioned in a cooling cavity 5233 at a certain position, the temperature of cooling liquid in the cooling cavity 5233 is higher, when the cooling liquid flows out through a liquid outlet flow passage 5235, the temperature of a thermistor 544 positioned on the inner wall of the liquid outlet flow passage 5235 is also raised, the resistance value is raised, a detection circuit is formed by externally connecting the thermistor 544 with a detection power supply, when the rise of the resistance value of the thermistor 544 is detected, the current transmitted to the electromagnet 541 is correspondingly reduced, the magnetic force of the electromagnet 541 is reduced, the attraction force on the regulating block 542 is reduced, the regulating block 542 moves to one side along the regulating groove 5236 under the action of the elastic force of the reset spring 543, the overcurrent section between the overcurrent hole 5421 and the liquid outlet flow passage 5235 is correspondingly increased, the cooling efficiency is improved, the real-time regulation of the cooling efficiency of the aluminum pipe according to different cutting positions is realized, and the generation of thermal stress is reduced.

The cutting mechanism 4 comprises a support 41, a power cylinder 42 and a cutter 43, wherein the support 41 is fixedly connected with the workbench 2, the power cylinder 42 is fixedly connected with the support 41, the output end of the power cylinder 42 is in transmission connection with the cutter 43, a sliding groove is formed in the support 41, and the cutter 43 is in sliding connection with the sliding groove.

The support 41 is fixed on the workbench 2 to provide stable support for the cutting mechanism 4, the power cylinder 42 is a main power source of the cutting mechanism 4, and the cutter 43 is driven to reciprocate along the sliding groove by the reciprocating motion of the power cylinder 42 during cutting operation, so that the cutting operation of a workpiece is realized.

After a workpiece is placed on the positioning assembly 52, the adjusting cylinder 522 is started to drive the transmission shaft 525 to move along the direction of the movable cavity to the rotating block 521, the first positioning plate 523 and the second positioning plate 524 are outwards expanded along the sliding groove 5211 under the drive of the connecting rod 527 hinged with the transmission shaft 525 so as to be propped against the inner wall of the workpiece, and because the first positioning plate 523 and the second positioning plate 524 synchronously outwards expand by taking the transmission shaft 525 as the center, the center of the workpiece is driven to be matched with the center of the transmission shaft 525, so that the automatic positioning of the position of the workpiece is realized, and after the first positioning plate 523 and the second positioning plate 524 are propped against the inner wall of the workpiece, additional support can be provided for the workpiece, the workpiece is prevented from being deformed during processing, and the yield is improved; when one side of a workpiece is processed, the self-locking motor 51 is started to drive the rotating block 521 to turn over, so that the workpiece is driven to turn over to the other side for processing, the workpiece is not required to be clamped and positioned secondarily, the processing precision is improved, the annular flow passage 5213 is arranged on the rotating block 521, cooling liquid enters the inner hole of the aluminum pipe through the annular flow passage 5213, cooling is realized on the inner wall of the aluminum pipe, cooling liquid is discharged through the liquid outlet 5341 on the clamping plate 534 after cooling is finished, in addition, a plurality of concave areas 5231 and convex areas 5232 are arranged on the first positioning plate 523, a plurality of contraction sections and expansion sections are formed in the cooling flow passage, the cooling liquid is reduced in the contraction section due to the reduction of the overflow section, the flow velocity is increased, the cooling liquid pressure of the contraction section is lower, the pressure of the outlet of the liquid flow passage 5235 is lower than the pressure of the inlet of the liquid flow passage 5234, the flow of the cooling liquid in the cooling cavity 5233 is promoted under the action of pressure difference, the cooling efficiency is further improved, and in the cutting operation, the cutting position is changed continuously, so that the heat accumulation area is changed continuously, and the cooling liquid flow in the cooling cavities 5233 is controlled through the temperature control assembly 54, so that the cooling efficiency of different areas is adjusted in real time.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present invention, and the present invention is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The cutting equipment with the PTC electric heater tooth-shaped structure is characterized by comprising a base (1), a workbench (2), a moving mechanism (3), a cutting mechanism (4) and a positioning mechanism (5), wherein the workbench (2) is fixedly connected with the base (1), the moving mechanism (3) is fixedly connected with the workbench (2), the cutting mechanism (4) is fixedly connected with the workbench (2), the moving mechanism (3) is in transmission connection with the positioning mechanism (5), the positioning mechanism (5) is in sliding connection with the workbench (2), and the positioning mechanism (5) is used for clamping and positioning a workpiece;

The positioning mechanism (5) comprises a self-locking motor (51), a positioning assembly (52) and a clamping assembly (53), wherein the self-locking motor (51) is fixedly connected with the sliding table (33), the output end of the self-locking motor (51) is in transmission connection with the positioning assembly (52), and the clamping assembly (53) is fixedly connected with the sliding table (33);

when in clamping, the clamping component (53) is clamped with the positioning component (52);

The positioning component (52) comprises a rotating block (521), an adjusting cylinder (522), a first positioning plate (523), a second positioning plate (524), a transmission shaft (525), a shaft sleeve (526) and a connecting rod (527), wherein the rotating block (521) is in transmission connection with the output end of a self-locking motor (51), a sliding groove (5211) and a movable cavity (5212) are arranged on the rotating block (521), the adjusting cylinder (522) is in fastening connection with the rotating block (521), the adjusting cylinder (522) is positioned in the movable cavity (5212), the output end of the adjusting cylinder (522) is in transmission connection with the transmission shaft (525), the transmission shaft (525) is in sliding connection with the movable cavity (5212), the shaft sleeve (526) is in fastening connection with the rotating block (521), the shaft sleeve (526) is sleeved on the transmission shaft (525), the first positioning plate (523) and the second positioning plate (524) are in sliding connection with the sliding groove (5211), the first positioning plate (523) is positioned on the upper side and the lower side of the rotating block (525), the second positioning plate (524) is positioned on the left side and the right side of the transmission shaft (526) and penetrates through the opening (526) of the shaft sleeve (526) and penetrates through the opening (526), the other end of the connecting rod (527) is hinged with the first locating plate (523) and the second locating plate (524) respectively;

Clamping assembly (53) are including first cylinder (531), second cylinder (532), crossbeam (533) and grip block (534), first cylinder (531) and slip table (33) fastening connection, the output and the crossbeam (533) transmission of first cylinder (531) are connected, second cylinder (532) and crossbeam (533) fastening connection, the output and grip block (534) ball hinge of second cylinder (532), one side of grip block (534) orientation locating component (52) is equipped with locating piece (535), the diameter of locating piece (535) and the diameter assorted of axle sleeve (526).

2. The cutting equipment with the PTC electric heater tooth structure with the intelligent positioning function is characterized in that a transmission chamber (21) and a guide groove (22) are arranged on the workbench (2), the moving mechanism (3) comprises a transmission motor (31), a screw rod (32) and a sliding table (33), the transmission motor (31) is fixedly connected with the workbench (2), the output end of the transmission motor (31) is in transmission connection with the screw rod (32), the screw rod (32) is in rotary connection with the workbench (2), the screw rod (32) is in transmission connection with the sliding table (21), and the sliding table (33) is in sliding connection with the guide groove (22).

3. The cutting device with the intelligent positioning function for the PTC electric heater spade tooth structure according to claim 1, wherein the first positioning plate (523) is wider than the second positioning plate (524).

4. The cutting equipment with the PTC electric heater tooth-shaped structure with the intelligent positioning function according to claim 1, wherein an annular flow passage (5213) is arranged on the rotating block (521), an inlet of the annular flow passage (5213) is externally connected with cooling liquid, an outlet of the annular flow passage (5213) faces a clamping plate (534), a liquid outlet (5341) is formed in the clamping plate (534), a plurality of concave areas (5231) and convex areas (5232) are formed in one side of the first positioning plate (523) facing the transmission shaft (525), a cooling flow passage is formed between the two first positioning plates (523), a cooling cavity (5234), a liquid inlet flow passage (5234) and a liquid outlet flow passage (5235) are formed in the first positioning plate (523), the position of the cooling cavity (5233) corresponds to the position of the convex areas (5232), the liquid inlet flow passage (5234) and the liquid outlet flow passage (5235) are respectively communicated with the cooling cavity (5233), the liquid inlet flow passage (5234) is located in the concave areas (5231), the liquid outlet flow passage (5235) is located in the concave areas (5232), and the liquid outlet flow passage (5235) is located in the first temperature control assembly (5254) and the temperature control assembly (5254).

5. The cutting equipment with the PTC electric heater tooth-shaped structure with the intelligent positioning function according to claim 4, wherein the temperature control assembly (54) comprises an electromagnet (541), an adjusting block (542), a reset spring (543) and a thermistor (544), an adjusting groove (5236) is formed in the first positioning plate (523), the electromagnet (541) is fixedly connected with the adjusting groove (5236), the adjusting block (542) is slidably connected with the adjusting groove (5236), an overflow hole (5421) is formed in the adjusting block (542), the overflow hole (5421) is eccentrically arranged with the liquid outlet flow channel (5235), one end of the reset spring (543) is fixedly connected with the adjusting block (542), the other end of the reset spring (543) is fixedly connected with the inner wall of the adjusting groove (5236), the thermistor (544) is fixedly connected with the inner wall of the liquid outlet flow channel (5235), and the thermistor (541) is electrically connected with the electromagnet (5236).

6. The cutting equipment with the PTC electric heater tooth-shaped structure with the intelligent positioning function according to claim 1, wherein the cutting mechanism (4) comprises a support (41), a power cylinder (42) and a cutter (43), the support (41) is fixedly connected with a workbench (2), the power cylinder (42) is fixedly connected with the support (41), the output end of the power cylinder (42) is in transmission connection with the cutter (43), a sliding groove is formed in the support (41), and the cutter (43) is in sliding connection with the sliding groove.