Surface polishing device for titanium alloy pipe

Abstract

The utility model provides a titanium alloy pipe surface polishing device which comprises a machine frame, the upper end of the machine frame is provided with a double-roller transmission machine, a pipe outside polishing machine and a pipe inside polishing machine, the double-roller transmission machine can drive a pipe to be machined to rotate and transmit the pipe forwards, the top of the double-roller transmission machine is provided with a pressing component used for pressing the pipe, and the double-roller transmission machine is connected with the pipe outside polishing machine. The pipe outside polishing machine comprises a first polishing wheel and a second polishing wheel, and the pipe inside polishing machine is arranged in the advancing direction of the pipe, moves relative to the pipe and can extend into the pipe to polish the inner wall of the pipe. The double-roller conveyor is adopted to drive the pipe to rotate and be conveyed forwards, and internal and external polishing is carried out on the same station at the same time. The pipe outside polishing machine polishes the outer wall of the pipe through double polishing wheels, and the pipe inside polishing machine polishes the inner wall of the pipe through a long rod capable of stretching into the pipe. According to the synchronous polishing, the clamping frequency and the station switching time of the pipe are obviously reduced, and the polishing efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to titanium alloy pipe surface treatment technical field especially relates to a kind of surface polishing device of titanium alloy pipe. BACKGROUND

[0002] Titanium alloy pipe is widely used in aerospace, ship, chemical industry and other fields due to its excellent specific strength, corrosion resistance and good biocompatibility. However, during the processing and forming of titanium alloy pipe, impurities, burrs, scale and other defects will inevitably remain on the inner and outer surfaces. These defects not only affect the surface quality and aesthetics of the pipe. Therefore, precision polishing treatment of the inner and outer walls of the formed titanium alloy pipe is a key process to ensure the quality and performance of the final product.

[0003] Currently, the polishing treatment of titanium alloy pipe mainly adopts the way of inner and outer polishing respectively, that is, polishing the inner wall of the pipe first, and then polishing the outer wall of the pipe, or vice versa. This polishing method has the disadvantages of low efficiency and high cost, therefore, it is necessary to develop a device that can polish the inner and outer surfaces of titanium alloy pipe simultaneously. SUMMARY

[0004] To solve the problems in the background art, the present utility model provides a device that can polish the inner and outer surfaces of titanium alloy pipe simultaneously.

[0005] The technical implementation scheme of the present utility model is: a surface polishing device for titanium alloy pipe, comprising a rack, a double drum conveyor, an outer polishing machine and an inner polishing machine are arranged on the upper end of the rack, the double drum conveyor can drive the pipe to be processed to rotate and transmit forward, a pressing component is arranged on the top of the double drum conveyor for pressing the pipe, the outer polishing machine comprises a first polishing wheel and a second polishing wheel, the inner polishing machine is arranged in the forward direction of the pipe and moves opposite to the pipe, the inner polishing machine can extend into the pipe to polish the inner wall.

[0006] Optionally, the outer polishing machine comprises a longitudinal sliding table arranged on the upper end of the rack, a vertical sliding table arranged on the longitudinal sliding table, a first driving part arranged on the vertical sliding table, and a first and a second polishing wheel connected with the first driving part, the first and the second polishing wheel are coaxially arranged and connected with the vertical sliding table through a shaft support.

[0007] Optionally, the first polishing wheel is a thousand-leaf wheel, and the second polishing wheel is a nylon wheel.

[0008] Optionally, the pipe inner polishing machine comprises a horizontal sliding table and a second driving part arranged on the horizontal sliding table, the running direction of the horizontal sliding table is parallel to the conveying direction of the double-drum conveyor, and a long rod is arranged on the horizontal sliding table, the axis of the long rod is parallel to the drum axis, the long rod is connected with the second driving part through a belt transmission, and the front end of the long rod is provided with a quick-release polishing wheel.

[0009] Optionally, the horizontal sliding table is a lead screw sliding table, the motor for driving the lead screw sliding table is a servo motor, and the horizontal sliding table can reciprocate to drive the long rod to swing forward and backward.

[0010] Optionally, the pressing component comprises a supporting arm and a vertical telescopic rod arranged on the supporting arm, the lower end of the vertical telescopic rod is provided with a mounting plate, the bottom of the mounting plate is connected with a wheel frame through an adjustable screw rod, the angle of the wheel frame can be adjusted through the adjustable screw rod, opposite sides of the wheel frame are respectively provided with two abutting wheels, the direction of the abutting wheels is substantially the same as the direction of the threads on the drum, and the upper end of the vertical telescopic rod is connected with a third driving part.

[0011] Optionally, the material returning mechanism comprises a cylinder and an induction switch for controlling the operation of the cylinder, one end of each of the two drums is connected with a cylinder, the cylinder can drive the drum to move close to or away from the other drum, the induction switch comprises a receiving unit and a triggering unit, the receiving unit is arranged on the rack, the triggering unit is arranged on the horizontal sliding table, and when the triggering unit is close to and triggers the receiving unit, the cylinder operates for one extension and retraction cycle.

[0012] The utility model has the advantages that: the utility model adopts the double-drum conveyor to drive the pipe rotation and forward transmission, and simultaneously performs inner and outer polishing at the same station. The pipe outer polishing machine polishes the outer wall of the pipe through two polishing wheels, and the pipe inner polishing machine polishes the inner wall through the long rod which can be inserted into the pipe. Such synchronous polishing significantly reduces the clamping times and station switching time of the pipe, and greatly improves the polishing efficiency.

[0013] In addition, the pipe outer polishing machine can realize accurate positioning and pressure adjustment of the polishing wheel on the outer wall of the pipe through accurate control of the longitudinal sliding table and the vertical sliding table, and ensures the uniformity of the polishing quality. The horizontal sliding table of the pipe inner polishing machine adopts a lead screw sliding table and a servo motor for driving, can realize accurate reciprocating motion, and cooperates with the quick-release polishing wheel to quickly replace polishing wheels of different specifications, so as to adapt to the polishing requirements of different pipe diameters and materials, thereby ensuring the polishing quality of the inner wall of the pipe.

[0014] Furthermore, the pressing component of the device adopts the design of adjustable screw rod and vertical telescopic rod, which can flexibly adjust the pressing force and angle, and is suitable for pipes with different diameters and lengths. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the pipe outer polishing machine of the utility model.

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the pipe inner polishing machine of the utility model.

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the pressing component of the utility model.

[0019] Figure 5 It is a partial schematic diagram of the utility model, wherein the rack is cut longitudinally.

[0020] In the above drawings: 1: rack, 2: double-drum conveyor, 3: pipe outer polishing machine, 3a: first polishing wheel, 3b: second polishing wheel, 31: longitudinal sliding table, 32: vertical sliding table, 33: first driving part, 34: shaft support, 4: pipe inner polishing machine, 41: horizontal sliding table, 42: second driving part, 43: long rod, 44: belt, 45: quick-release polishing wheel, 5: pressing component, 51: supporting arm, 52: vertical telescopic rod, 53: mounting plate, 54: adjustable screw rod, 55: wheel support, 56: abutting wheel, 57: third driving part, 6: air cylinder, 61: induction switch, 611: trigger unit, 612: receiving unit. DETAILED DESCRIPTION

[0021] Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearance of the phrase in various places in the specification is not necessarily all referring to the same embodiment, nor is it necessarily referring to a particular alternative embodiment. It will be explicitly understood that the embodiments described herein can be combined with other embodiments in various ways.

[0022] As Figure 1The surface polishing device for titanium alloy pipe shown in the figure comprises a rack 1 at the bottom of the device for supporting the whole device, a double roller conveyor 2, a pipe outer polishing machine 3 and a pipe inner polishing machine 4 are arranged at the upper end of the rack 1, wherein the double roller conveyor 2 is arranged in parallel and is used to drive the titanium pipe to be processed to rotate and transmit along the roller axis direction, in addition, a pressing component 5 for pressing the pipe is arranged at the top of the double roller conveyor 2, which plays a role of restraining the titanium pipe, the pipe outer polishing machine 3 comprises a first polishing wheel 3a and a second polishing wheel 3b for polishing with different precision respectively, and the pipe inner polishing machine 4 is arranged in the advancing direction of the pipe, which moves relative to the titanium pipe, and in use, the pipe inner polishing machine 4 can extend into the pipe to polish the inner wall thereof.

[0023] Specifically, referring to Figure 2 The pipe outer polishing machine 3 shown in the figure comprises a longitudinal sliding table 31 arranged at the upper end of the rack 1, a vertical sliding table 32 arranged on the longitudinal sliding table 31, a first driving part 33 and a first polishing wheel 3a and a second polishing wheel 3b arranged on the vertical sliding table 32, wherein the first driving part 33, the first polishing wheel 3a and the second polishing wheel 3b are coaxially arranged and connected with the vertical sliding table 32 through a shaft support 34. The first driving part 33 drives the first polishing wheel 3a and the second polishing wheel 3b to operate, when the titanium pipe moves forward along the double roller conveyor 2, the first driving part 33 drives the first polishing wheel 3a and the second polishing wheel 3b to adjust the position through the longitudinal sliding table 31 and the vertical sliding table 32, gradually approach the titanium pipe to be polished, and after contacting with the outer wall of the titanium pipe, the two relative to each other, and realize the polishing operation of the outer wall of the titanium pipe. It should be noted that the first polishing wheel 3a is a thousand leaf wheel and the second polishing wheel 3b is a nylon wheel in the embodiment.

[0024] Specifically, referring to Figure 3 The pipe inner polishing machine 4 shown in the figure comprises a horizontal sliding table 41 and a second driving part 42 arranged on the horizontal sliding table 41, the running direction of the horizontal sliding table 41 is parallel to the conveying direction of the double roller conveyor 2; further comprising a long rod 43 arranged on the horizontal sliding table 41, the axis of the long rod 43 is parallel to the roller axis, one end of the long rod 43 is drivingly connected with the second driving part 42 through a belt 44, and the other end is provided with a quick-release polishing wheel 45. Specifically, the horizontal sliding table 41 is a lead screw sliding table, the motor for driving the lead screw sliding table is a servo motor, the horizontal sliding table 41 can reciprocate and drive the long rod 43 to swing back and forth. The long rod 43 moves in the opposite direction of the titanium pipe running direction and extends into the titanium pipe, and the rotating quick-release polishing wheel 45 completes the polishing of the inner wall of the titanium pipe, and the long rod 43 moves in the same direction of the titanium pipe running direction, so that the quick-release polishing wheel 45 extends out of the titanium pipe.

[0025] Specifically, as Figure 4The clamping component 5 shown includes a support arm 51, the lower end of the support arm 51 is fixed on the frame 1, and the upper end has a horizontal extension part facing the direction of the double-roller conveyor 2, the front end of the part is provided with a third drive part 57 and a vertical telescopic rod 52, the movable end of the third drive part 57 faces downward and is connected to the vertical telescopic rod 52, the lower end of the vertical telescopic rod 52 is provided with a mounting plate 53, the bottom of the mounting plate 53 is connected to a wheel frame 55 through an adjustable screw 54, and two abutment wheels 56 are respectively provided on the opposite sides of the wheel frame 55, and the angle of the wheel frame 55 can be adjusted by adjusting the screw 54 so that the abutment wheel 56 can adapt to the titanium tube. It should be noted that the direction of the abutment wheel 56 is roughly the same as the direction of the thread on the roller.

[0026] like Figure 5 As shown, the device also includes a material return mechanism, which includes a cylinder 6 and an induction switch 61 for controlling the operation of the cylinder 6, wherein two ends of one roller are respectively connected to a cylinder 6, and the front end of the telescopic rod of the cylinder 6 is connected to the axis frame of the roller, which can drive the roller to approach or move away from the other roller, and the induction switch 61 includes a receiving unit 612 and a trigger unit 611, the receiving unit 612 is arranged on the frame 1, and the trigger unit 611 is arranged on the horizontal slide 41, and when the trigger unit 611 approaches and triggers the receiving unit 612, the cylinder 6 runs a telescopic cycle. When the polishing of the titanium tube is completed, the horizontal slide 41 drives the long rod 43 and the quick-release polishing wheel 45 to move backward, so that the long rod 43 is separated from the titanium tube. During the movement, the horizontal slide 41 will drive the trigger unit 611 to approach the receiving unit 612. When the two reach the distance of the starting switch, the trigger cylinder 6 will run, and the distance between the two rollers will become larger. The titanium tube located on the upper part will fall from between the two rollers. The frame at the bottom of the roller has a notch, and a guide plate and a collection box are provided below the notch.

[0027] The dual-roller conveyor 2 uses a servo motor as its driving source, which can drive the dual-roller conveyor 2 to rotate forward or reverse, synchronously driving the titanium tube forward or backward. For complex titanium tubes that require long polishing time, repeated forward and reverse rotation can swing the workpiece back and forth, allowing for a more thorough polishing process.

[0028] In this embodiment, the first drive unit 33 and the second drive unit 42 are servo motors, and the third drive unit 57 is a cylinder. It should be noted that all electrical equipment in the device, such as the cylinder and motor, are connected to a PLC controller, which automatically controls the start and stop of the electrical equipment, as well as the operating cycle, frequency, and speed.

[0029] The above-described embodiments only express the preferred embodiments of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications, improvements and substitutions can be made, which are all within the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A surface polishing device for titanium alloy pipes, characterized in that: The application relates to a pipe polishing machine, which comprises a frame (1), the upper end of the frame (1) is provided with a double-roller transmission machine (2), an outer-pipe polishing machine (3) and an inner-pipe polishing machine (4), the double-roller transmission machine (2) can drive the pipe to be processed to rotate and forwardly transmit, the top of the double-roller transmission machine (2) is provided with a pressing component (5) for pressing the pipe, the outer-pipe polishing machine (3) comprises a first polishing wheel (3a) and a second polishing wheel (3b), the inner-pipe polishing machine (4) is arranged in the advancing direction of the pipe and moves oppositely to the pipe, and the inner-pipe polishing machine (4) can extend into the pipe to polish the inner wall of the pipe.

2. The apparatus for surface polishing of titanium alloy pipes according to claim 1, wherein The outer-pipe polishing machine (3) comprises a longitudinal sliding table (31) arranged at the upper end of the frame (1), a vertical sliding table (32) arranged on the longitudinal sliding table (31), a first driving part (33) arranged on the vertical sliding table (32) and first and second polishing wheels (3a, 3b) in transmission connection with the first driving part (33), the first and second polishing wheels (3a, 3b) are coaxially arranged and connected with the vertical sliding table (32) through an axle support (34).

3. The apparatus for surface polishing of titanium alloy pipes according to claim 2, wherein The first polishing wheel (3a) is a thousand-leaf wheel, and the second polishing wheel (3b) is a nylon wheel.

4. The apparatus for surface polishing of titanium alloy pipes according to claim 1, wherein The inner-pipe polishing machine (4) comprises a horizontal sliding table (41) and a second driving part (42) arranged on the horizontal sliding table (41), the running direction of the horizontal sliding table (41) is parallel to the conveying direction of the double-roller transmission machine (2); and A long rod (43) is arranged on the horizontal sliding table (41), the axis of the long rod (43) is parallel to the axis of the roller, the long rod (43) is in transmission connection with the second driving part (42) through a belt (44), and the front end of the long rod (43) is provided with a quick-release polishing wheel (45).

5. The apparatus for surface polishing of titanium alloy pipes according to claim 4, wherein The horizontal sliding table (41) is a screw sliding table, the motor for driving the screw sliding table is a servo motor, the horizontal sliding table (41) can reciprocally move and drive the long rod (43) to swing back and forth.

6. The apparatus of claim 1, wherein, The pressing component (5) comprises a supporting arm (51) and a vertical telescopic rod (52) arranged on the supporting arm (51); the lower end of the vertical telescopic rod (52) is provided with a mounting plate (53), the bottom of the mounting plate (53) is connected with a wheel support (55) through an adjustable screw rod (54), the angle of the wheel support (55) can be adjusted through the adjustable screw rod, opposite sides of the wheel support (55) are respectively provided with two abutting wheels (56), the direction of the abutting wheels (56) is basically the same as the direction of the thread on the roller, and the upper end of the vertical telescopic rod (52) is connected with a third driving part (57).

7. The apparatus of claim 4, wherein the apparatus is configured to polish the surface of the titanium alloy tube to a surface roughness of 0.5 Ra or less. It also includes a material returning mechanism, which comprises a cylinder (6) and an inductive switch (61) for controlling the cylinder (6), one cylinder (6) is connected to each end of one of the rollers, the cylinder (6) can drive the roller to approach or move away from the other roller, the inductive switch (61) comprises a receiving unit (612) and a triggering unit (611), the receiving unit (612) is arranged on the rack (1), and the triggering unit (611) is arranged on the horizontal sliding table (41), when the triggering unit (611) approaches and triggers the receiving unit (612), the cylinder (6) runs an extension and retraction cycle.

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