Capillary heat pipe cutting device

Abstract

The utility model discloses a capillary heat pipe cutting device which comprises a machine body and a machine cover which are hinged to each other, a mounting plate is arranged on the machine body, and a sample placing plate used for fixing a heat pipe to be cut is arranged on the mounting plate. A cutting mechanism is arranged in the machine body and comprises a motor, a slow lifting air cylinder and a saw blade. The saw blade is installed on the rotating shaft, and the motor is used for driving the rotating shaft to rotate so as to drive the saw blade to rotate. The slow lifting air cylinder is mounted on the air cylinder seat connected with the rotating shaft and used for driving the air cylinder seat to ascend and descend so as to drive the saw blade to ascend and descend; the sample placing plate is provided with a groove used for placing a heat pipe and a saw blade groove used for allowing a saw blade to penetrate through. According to the cutting device of the capillary heat pipe, when the heat pipe is cut, the heat pipe can be well fixed, fixed-length cutting can be achieved, the ascending speed and the cutting speed of the saw blade can be well controlled, and the probability that the heat pipe is damaged during cutting is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat pipe processing equipment technical field, and specifically relates to a capillary heat pipe cutting device. BACKGROUND

[0002] In the process of heat pipe processing, after injecting medium into the heat pipe, the excess length of the heat pipe needs to be cut off. For example, a heat exchange pipe end cutting device is disclosed in the utility model with application number 201920283207.2, the opposite top of the two sets of support plates is provided with a connecting rod, the bottom of the pressing rod is provided with a rubber pressing layer, the right side top of the vertical rod is provided with a top horizontal plate, and the bottom of the top horizontal plate is provided with a second electric telescopic rod. The cutting table is installed above the base through a cylindrical plug-in block and a mounting hole, so that the cutting table can be directly rotated, and the heat exchange pipe to be cut can be rotated at the same time. Since the cutting angle of the cutting machine does not change, the heat exchange pipe is rotated, so that the cross section of the heat exchange pipe end can be cut. After the cutting table completes the rotation adjustment, the two sets of electric telescopic rods are turned on, the electric telescopic rods are elongated, one end of the positioning plate is attached to the cutting table, so that the cutting table can be clamped and fixed, and the cutting table can be prevented from rotating at the same time.

[0003] The above-mentioned prior art can complete the cutting of the heat pipe to a certain extent, but the operation is complicated, the fixed-length control result of the heat pipe is not good, and the cutting speed is not controlled during the cutting process, which is easy to cause the heat pipe to be damaged. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a capillary heat pipe cutting device, which can well fix the heat pipe, cut the heat pipe to a fixed length, and well control the rising speed and cutting speed of the saw blade, thereby reducing the probability of damage to the heat pipe during cutting.

[0005] The technical scheme adopted by the utility model to solve the technical problems is: a capillary heat pipe cutting device, the cutting device comprises a body and a cover which are hingedly connected, the body is provided with a mounting plate, and the mounting plate is provided with a sample plate for fixing a heat pipe to be cut; the body is provided with a cutting mechanism, the cutting mechanism comprises a motor, a slow-rising air cylinder and a saw blade; the saw blade is installed on a rotating shaft, the motor is used to drive the rotating shaft to rotate, thereby driving the saw blade to rotate; the slow-rising air cylinder is installed on an air cylinder seat, the air cylinder seat is connected with the rotating shaft, and the slow-rising air cylinder is used to drive the air cylinder seat to rise and fall, thereby driving the saw blade to rise and fall; the sample plate is provided with a groove for placing the heat pipe, and the sample plate is provided with a saw blade slot for the saw blade to pass through.

[0006] For further limitation of the saw blade, the saw blade includes a headless saw blade and a fixed-length saw blade, both of which are mounted on the rotating shaft, the headless saw blade is arranged at the end of the rotating shaft, and the interval between the fixed-length saw blade and the headless saw blade is the length of the cut heat pipe.

[0007] For further limitation of the saw blade slot, the saw blade slot includes a headless saw blade slot and a fixed-length saw blade slot, which are matched with the headless saw blade and the fixed-length saw blade respectively.

[0008] Further, one end of the groove is provided with a positioning stopper; the cross section of the groove is inverted triangular, and the bottom of the groove is arc-shaped.

[0009] Further, the inner side of the cover is provided with a pipe pressing oil spring, which is used for pressing the heat pipe to be cut arranged in the groove.

[0010] For further limitation of the pipe pressing oil spring, the number of the pipe pressing oil spring is two, which are a left pipe pressing oil spring and a right pipe pressing oil spring; after the cover is closed, the left pipe pressing oil spring presses the heat pipe between the headless saw blade slot and the fixed-length saw blade slot, and the right pipe pressing oil spring presses the heat pipe on the side of the fixed-length saw blade slot away from the headless saw blade slot.

[0011] Further, the slow-rising air cylinder and the air cylinder seat are both two, which are mounted at the two ends of the rotating shaft; the slow-rising air cylinder is provided with a flow limiting valve for controlling the lifting speed.

[0012] Further, the bottom of the machine body is provided with a copper scrap collecting box.

[0013] Further, the front side of the machine body is provided with a motor switch for controlling the motor and a lifting switch for controlling the slow-rising air cylinder.

[0014] Further, the mounting plate is also provided with a pressure regulating valve and a solenoid valve.

[0015] The beneficial effects of the capillary heat pipe cutting device are as follows:

[0016] 1) Through the cooperation design of the headless saw blade, the fixed-length saw blade, the headless saw blade slot and the fixed-length saw blade slot, the length of the cut heat pipe is consistent, and the precision is high;

[0017] 2) Through the design of the slow-rising air cylinder, the lifting speed of the saw blade can be effectively controlled, and the heat pipe damage caused by the too fast lifting and cutting of the saw blade can be avoided;

[0018] 3) through the design of the pressure pipe oil pressure spring, on the one hand, can prevent the heat pipe from moving when being cut, improve the cutting accuracy, on the other hand, the elastic structure design can also avoid the heat pipe being pressed deformation. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model provides a cutting device's perspective structure schematic diagram.

[0020] Figure 2 The utility model provides a cutting device's plan view structure schematic diagram.

[0021] Figure 3 The utility model provides a cutting device's side view structure schematic diagram.

[0022] Figure 4 The utility model provides a cutting device's perspective structure schematic diagram.

[0023] Figure 5 The utility model provides a cutting device's front structure schematic diagram of setting sample board.

[0024] Figure 6 The utility model provides a cutting device's side structure schematic diagram of setting sample board.

[0025] Figure 7 The utility model provides a cutting device's structure schematic diagram of cutting mechanism.

[0026] Figure 8 The utility model provides a cutting device's structure schematic diagram of pressure pipe oil pressure spring.

[0027] Wherein, 1 - machine cover, 2 - fuselage, 3 - copper scrap collection box, 4 - lift switch, 5 - motor switch, 6 - mounting plate, 7 - setting sample board, 8 - motor, 9 - pressure pipe oil pressure spring, 10 - electromagnetic valve, 11 - pressure regulating valve, 12 - positioning stopper, 13 - heat pipe, 14 - groove, 15 - fixed length saw blade slot, 16 - head saw blade slot, 17 - rotating shaft, 18 - cylinder seat, 19 - slow lifting cylinder, 20 - flow limiting valve, 21 - head saw blade, 22 - fixed length saw blade. DETAILED DESCRIPTION

[0028] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The preferred embodiments of the utility model are shown in the drawings. However, the utility model can be implemented in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0029] EMBODIMENT

[0030] A kind of capillary heat pipe cutting device, the cutting device includes mutually hinged machine body 2 and machine cover 1, installation plate 6 is equipped on the machine body 2, sample plate 7 for fixing the heat pipe to be cut is equipped on the installation plate 6;Cutting mechanism is equipped in the machine body 2, the cutting mechanism includes motor 8, slow lifting cylinder 19, saw blade;The saw blade is installed on rotating shaft 17, the motor 8 is used to drive the rotating shaft 17 rotation, to drive the saw blade rotation;Slow lifting cylinder 19 is installed on cylinder seat 18, the cylinder seat 18 is connected with the rotating shaft 17, slow lifting cylinder 19 is used to drive the cylinder seat 18 to ascend and descend, to drive the saw blade to ascend and descend;Sample plate 7 is equipped with groove 14 for placing heat pipe 13, sample plate 7 is equipped with saw blade slot for the saw blade to pass through.

[0031] In the embodiment, the saw blade includes head removal saw blade 21 and fixed-length saw blade 22, the head removal saw blade 21 and fixed-length saw blade 22 are all installed on the rotating shaft 17, the head removal saw blade 21 is equipped at the end of the rotating shaft 17, and the interval between the head removal saw blade 21 and the fixed-length saw blade 22 is the length of the heat pipe after cutting. The saw blade slot includes head removal saw blade slot 16 and fixed-length saw blade slot 15, and the head removal saw blade slot 16 and fixed-length saw blade slot 15 are matched with the head removal saw blade 21 and fixed-length saw blade 22 respectively. When the cutting device works, the rotating shaft 17 is driven to rotate by the motor 8, the head removal saw blade 21 and fixed-length saw blade 22 installed on the rotating shaft 17 rotate coaxially and then move upward together under the drive of the slow lifting cylinder 19; the head removal saw blade 21 passes through the head removal saw blade slot 16 to cut the head of the heat pipe 13, and the fixed-length saw blade 22 passes through the fixed-length saw blade slot 15 to cut the heat pipe 13 to a fixed length; the interval between the head removal saw blade 21 and fixed-length saw blade 22 can be adjusted according to the actual length of the heat pipe required; the sample plate 7 and the installation plate 6 are also detachably installed, and different lengths of heat pipes are configured with different sample plates 7. In the cutting device provided in the embodiment, the head removal saw blade 21 and fixed-length saw blade 22 rotate coaxially and ascend and descend together, so that the head removal and the fixed length can be performed synchronously for the heat pipe 13 to be cut, and the cutting efficiency is improved.

[0032] In the embodiment, one end of the groove 14 is provided with a positioning stopper 12; the cross section of the groove 14 is inverted triangular, and the bottom of the groove 14 is arc-shaped. The positioning stopper 12 is used for positioning the heat pipe 13 to be cut, and when installed, the end of the heat pipe 13 to be cut is abutted against the positioning stopper 12. The inverted triangular groove 14 facilitates the taking and placing of the heat pipe 13, and the design that the bottom is arc-shaped is beneficial to the fitting between the heat pipe 13 and the groove 14.

[0033] In the present embodiment, the inside of the cover 1 is provided with a pipe pressing oil pressure spring for pressing the heat pipe 13 placed in the groove 14. For further definition of the pipe pressing oil pressure spring, the number of the pipe pressing oil pressure spring is two, which are respectively the left pipe pressing oil pressure spring 23 and the right pipe pressing oil pressure spring 9. After the cover 1 is closed, the left pipe pressing oil pressure spring 23 presses the heat pipe 13 between the head-removing saw blade groove 16 and the fixed-length saw blade groove 15, and the right pipe pressing oil pressure spring 9 presses the heat pipe 13 on the side of the fixed-length saw blade groove 15 away from the head-removing saw blade groove 16. The design of the pipe pressing oil pressure spring can prevent the heat pipe 13 from moving during cutting, thereby improving the cutting precision, and the elastic structure design of the pipe pressing oil pressure spring can also avoid the deformation of the heat pipe 13 caused by pressing.

[0034] In the present embodiment, the slow-rising air cylinder 19 and the air cylinder seat 18 are both two, which are respectively installed at the two ends of the rotating shaft 17. The slow-rising air cylinder 19 is provided with a flow limiting valve 20 for controlling the lifting speed. The design of the flow limiting valve 20 can well control the lifting speed of the slow-rising air cylinder 19, so that the saw blade slowly rises to cut the heat pipe, and the slow-rising air cylinder 19 automatically drives the saw blade to descend after cutting. The design can avoid the damage of the capillary heat pipe caused by too fast and violent cutting.

[0035] In the present embodiment, the bottom of the machine body 2 is provided with a copper scrap collecting box 3 for collecting the scraps generated during cutting. The front side of the machine body 2 is provided with a motor switch 5 for controlling the motor 8 and a lifting switch 4 for controlling the slow-rising air cylinder 19. The mounting plate 6 is also provided with a pressure regulating valve 11 and an electromagnetic valve 10. The pressure regulating valve 11 is used to adjust the air pressure of the slow-rising air cylinder 19, and the electromagnetic valve 10 is used to control the lifting of the slow-rising air cylinder 19.

[0036] The working mode of the above heat pipe cutting device is as follows:

[0037] The heat pipe 13 to be cut is placed in the groove 14 of the sample placing plate 7, and the end of the heat pipe 13 to be head-removed is pressed against the positioning block 12. The cover 1 is closed, so that the pipe pressing oil pressure spring presses the heat pipe 13. The motor switch 5 is turned on, and the saw blade rotates under the drive of the motor 8. The lifting switch 4 is turned on, and the saw blade slowly rises under the drive of the slow-rising air cylinder 19. The saw blade cuts the heat pipe 13 through the saw blade groove on the sample placing plate 7, and the heat pipe with the required length is obtained after cutting. The saw blade slowly descends under the action of the slow-rising air cylinder 19. The cover 1 is opened, and the cut heat pipe is taken out for the next process.

[0038] The above embodiments are only used for illustrating the present application, and are not intended to limit the present application. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, and all equivalent technical solutions also belong to the scope of the present application. The patent protection scope of the present application should be defined by the claims.

Claims

1. A cutting device for a capillary heat pipe, the cutting device comprising a body and a cover hingedly connected to each other, characterized in that: The machine body is provided with a mounting plate, and the mounting plate is provided with a sample plate for fixing the heat pipe to be cut; the machine body is provided with a cutting mechanism, and the cutting mechanism comprises a motor, a slow lifting cylinder and a saw blade; the saw blade is installed on a rotating shaft, the motor is used to drive the rotating shaft to rotate, thereby driving the saw blade to rotate; the slow lifting cylinder is installed on a cylinder seat, the cylinder seat is connected with the rotating shaft, and the slow lifting cylinder is used to drive the cylinder seat to ascend and descend, thereby driving the saw blade to ascend and descend; the sample plate is provided with a groove for placing the heat pipe, and the sample plate is provided with a saw blade slot for the saw blade to pass through.

2. A capillary tube cutting apparatus according to claim 1, wherein: The saw blade comprises a head-removing saw blade and a fixed-length saw blade, and the head-removing saw blade and the fixed-length saw blade are both installed on the rotating shaft, the head-removing saw blade is arranged at the end of the rotating shaft, and the interval between the head-removing saw blade and the fixed-length saw blade is the length of the heat pipe after cutting.

3. A capillary tube cutting apparatus according to claim 2, wherein: The saw blade slot comprises a head-removing saw blade slot and a fixed-length saw blade slot, and the head-removing saw blade slot and the fixed-length saw blade slot are matched with the head-removing saw blade and the fixed-length saw blade respectively.

4. The apparatus of claim 1, wherein: One end of the groove is provided with a positioning stopper; the cross section of the groove is in the shape of an inverted triangle, and the bottom of the groove is in the shape of an arc.

5. The apparatus of claim 1, wherein: The inner side of the machine cover is provided with a pipe pressing oil pressure spring, and the pipe pressing oil pressure spring is used to press the heat pipe to be cut arranged in the groove.

6. A capillary tube cutting apparatus according to claim 5, wherein: The number of the pipe pressing oil pressure springs is two, which are a left pipe pressing oil pressure spring and a right pipe pressing oil pressure spring; after the machine cover is closed, the left pipe pressing oil pressure spring presses the heat pipe between the head-removing saw blade slot and the fixed-length saw blade slot, and the right pipe pressing oil pressure spring presses the heat pipe on the side of the fixed-length saw blade slot away from the head-removing saw blade slot.

7. The apparatus of claim 1 wherein: the cutting device is a laser. The slow lifting cylinder and the cylinder seat are both two, which are installed at the two ends of the rotating shaft; the slow lifting cylinder is provided with a flow limiting valve for controlling the ascending and descending speed.

8. The apparatus of claim 1 wherein: the cutting device is a laser. The bottom of the machine body is provided with a copper scrap collecting box.

9. The apparatus of claim 1 wherein: the cutting device is a laser. The front side of the machine body is provided with a motor switch for controlling the motor and a lifting switch for controlling the slow lifting cylinder.

10. The apparatus of claim 1 wherein: the cutting device is a laser. The mounting plate is further provided with a pressure regulating valve and an electromagnetic valve.

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