A 360-degree up, down, left, and right all-round grinding and polishing equipment on a pipe making machine

Abstract

The invention discloses an on-line 360-degree up, down, left, and right all-round grinding and polishing equipment on a pipe making machine, comprising a mounting frame serving as a mounting base and a right grinding head, a left grinding head, an upper grinding head, and a lower grinding head serving as grinding. The mounting frame is welded by a steel plate rectangular frame, discs are welded and fixed at both ends of the rectangular frame, and four grinding head mounting plates are welded and fixed on the mounting frame. The right grinding head, the left grinding head, the upper grinding head, and the lower grinding head have the same structure and are all composed of a guide rod, a main motor, a sliding box, a high-speed shaft, a grinding wheel, a lead screw, a lifter, and a lead screw motor. The invention can grind, polish, and sand draw stainless steel pipes in 360 degrees in all directions through an up, down, left, and right four-way grinding head structure, and when the grinding wheel is worn, the grinding is automatically pressed down according to the wear amount of the grinding wheel. The grinding force of the four grinding heads arranged up and down and left and right relative to each other on the pipe has a great boosting effect on pipe forming, thereby reducing the mold pressing force, avoiding mold strain and scratches, and reducing the wear of machine parts.

Description

Technical Field

[0001] The invention relates to the technical field of stainless steel pipe making equipment, and in particular to an online 360-degree up, down, left, and right all-round grinding and polishing equipment on a pipe making machine. Background Art

[0002] The grinding process currently used in stainless steel pipe making machines is only for welding seam grinding. The arrangement is left oblique grinding, right oblique grinding, and straight grinding is limited to welding seam grinding. The disadvantages are uneven grinding, obvious grinding marks, and increased difficulty in subsequent polishing. The biggest disadvantage of this structure is that it cannot fully polish the pipe shape. Summary of the invention

[0003] 1. Technical issues to be solved

[0004] The main purpose of the present invention is to provide an online 360-degree up, down, left, and right all-round grinding and polishing equipment on a pipe making machine. The stainless steel pipe can be ground, polished and sanded in 360 degrees in all directions through the up, down, left, and right four-way grinding head structure. When the grinding wheel is worn, the distance between the sliding box and the mounting frame is adjusted by the screw motor to achieve the purpose of automatic downward pressure grinding according to the wear amount of the grinding wheel. The worker drives the mounting frame to rotate by turning the handle, and then drives the four sets of grinding heads to rotate, so as to achieve 360-degree all-round grinding of the stainless steel pipe, which can effectively solve the problems in the background technology.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an online 360-degree up, down, left, right and all-round grinding and polishing equipment on a pipe making machine, including a mounting frame that serves as an installation base and a right grinding head, a left grinding head, an upper grinding head and a lower grinding head that serve as grinding. The mounting frame is welded by a steel plate rectangular frame, and discs are welded and fixed at both ends of the rectangular frame. Four grinding head mounting plates are welded and fixed on the mounting frame. The right grinding head, the left grinding head, the upper grinding head and the lower grinding head have the same structure and are composed of a guide rod, a main motor, a sliding box, a high-speed shaft, a grinding wheel, a screw, a lift and a screw motor. Four guide rods are provided, and the middle parts of the four guide rods are fixed to the two grinding head mounting plates by screws, and screws are tapped at both ends of the guide rods. The sliding box is made of steel plates welded into a rectangular box, four through holes are set at the four corners of the top and bottom surfaces, and copper sleeves are sleeved in the four through holes of the top and bottom surfaces, one end of the four guide rods is sleeved with the guide mounting plate, and the guide mounting plate is locked on the four guide rods by engaging the threads set at the ends of the guide rods with the nuts, four elevator support columns are fixed to the upper surface of the guide mounting plate by bolts, and the other ends of the four elevator support columns are connected to the elevator by bolts, circular holes are opened on the two symmetrical sides of the sliding box, and high-speed shafts are inserted in the two circular holes, one end of the high-speed shaft is sleeved with a grinding wheel, and the other end of the high-speed shaft is connected to the main motor through a coupling, and a set of protective covers is provided on each set of grinding wheels.

[0007] Preferably, the grinding head mounting plates are welded in parallel in pairs, and the angle between the two groups is 90 degrees. One group of grinding head mounting plates is connected to the left grinding head and the right grinding head, and the other group of grinding head mounting plates is connected to the upper grinding head and the lower grinding head. Two handles are symmetrically welded and fixed at both ends of the mounting frame, and the two ends of the mounting frame are connected to two sets of support seats through rolling bearings. A circular feeding port is opened on the support seat, and two angle adjustment grooves are evenly distributed on the outside of the feeding port.

[0008] Preferably, the copper sleeve is restricted in the sliding box by a pressing plate, and the copper sleeve is sleeved on the guide rod.

[0009] Preferably, the lift is connected to the lead screw and the lead screw motor, and the bottom of the lead screw passes through the guide mounting plate and is connected to the sliding box.

[0010] Preferably, the high-speed shaft is connected to the sliding box through two sets of high-speed bearings, and oil seals are arranged on the outside of the two sets of high-speed bearings, one set of high-speed bearings is covered with a front bearing cover on the outside, and the other set of high-speed bearings is covered with a rear bearing cover on the outside, and the front bearing cover and the rear bearing cover are both fixed to the sliding box by bolts.

[0011] Preferably, clamping plates are provided on both sides of the grinding wheel, and the grinding wheel is locked on the high-speed shaft by a nut.

[0012] Preferably, the main motor is connected to the rear bearing cover via four main motor support columns.

[0013] Preferably, the protective cover is formed into a box shape by bending and welding steel plates, and the front surface of the protective cover is connected to the door panel through two sets of door pins. The door panel is made of steel plates, and a stainless steel handle is welded and fixed on the outer surface of the door panel, and the door panel is locked and connected to the protective cover through a door lock. Two fixed plates are symmetrically welded and fixed on the bottom of both sides of the protective cover, and each fixed plate is provided with a fixed through-hole. A rectangular transition notch is provided on the bottom surface of the protective cover, and an inverted U-shaped high-speed shaft through-hole is provided in the middle of the back side of the protective cover, and a high-speed shaft is inserted in the high-speed shaft through-hole. The grinding wheel fixed on the high-speed shaft is placed inside the protective cover, and the bottom of the grinding wheel extends out of the protective cover through the transition notch. Sound insulation cotton is bonded and fixed to the inner wall of the protective cover, and a baffle is installed at the bottom of the high-speed shaft through-hole, and the baffle is fixed to the front bearing cover by bolts.

[0014] (III) Beneficial effects

[0015] The present invention provides an on-line 360-degree up, down, left, and right all-round grinding and polishing device for a pipe making machine, which has the following beneficial effects:

[0016] The invention can grind, polish and sand the stainless steel pipe in 360 degrees in all directions through the four-way grinding head structure of up and down, left and right. When the grinding wheel is worn, the distance between the sliding box and the mounting frame is adjusted by the screw motor to realize the purpose of automatic downward pressure grinding according to the wear amount of the grinding wheel. The right grinding head, left grinding head, upper grinding head and lower grinding head are arranged up and down, left and right relative to each other, and the grinding force on the pipe has a great effect on the pipe forming, thereby reducing the pressing force of the mold, avoiding mold damage and scratches, reducing the wear of machine parts, reducing the overall maintenance cost, and bringing great benefits to the enterprise. Real cost-effectiveness. Workers drive the mounting frame to rotate by turning the handle, which in turn drives the four sets of grinding heads to rotate, achieving 360-degree all-round grinding of the stainless steel pipe. The setting of the protective cover can block the dust generated when the grinding wheel grinds the stainless steel pipe, which serves the purpose of waterproofing and dust prevention. The sound-absorbing cotton attached to the inner wall of the protective cover absorbs the noise generated during grinding to reduce noise pollution. The protective cover reduces the exposed area of ​​the grinding wheel, improves the safety of workers' operation, and improves the visual beauty through the setting of the protective cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an online 360-degree up, down, left, and right all-round grinding and polishing device on a pipe making machine of the present invention;

[0018] Figure 2 It is a structural schematic diagram of a mounting frame in an online 360-degree up, down, left, and right all-round grinding and polishing device on a pipe making machine of the present invention;

[0019] Figure 3 It is a schematic diagram of the exploded structure of a grinding head in an online 360-degree up, down, left, and right all-round grinding and polishing device on a pipe making machine of the present invention;

[0020] Figure 4 It is a structural schematic diagram of a support seat in an online 360-degree up, down, left, and right all-round grinding and polishing device on a pipe making machine of the present invention;

[0021] Figure 5 It is a structural schematic diagram of a protective cover in an online 360-degree up, down, left, and right all-round grinding and polishing device on a pipe making machine of the present invention;

[0022] Figure 6 A schematic diagram of a sound-absorbing cotton in an online 360-degree up, down, left, and right all-round grinding and polishing device on a pipe making machine of the present invention;

[0023] Figure 7 The present invention is a schematic diagram of the back structure of a protective cover in an online 360-degree up, down, left, and right all-round grinding and polishing device on a pipe making machine.

[0024] In the figure: 1, right grinding head; 2, left grinding head; 3, upper grinding head; 4, lower grinding head; 5, mounting frame; 6, grinding head mounting plate; 7, lead screw motor; 8, lifter; 9, guide mounting plate; 10, lead screw; 11, sliding box; 12, grinding wheel; 13, clamping plate; 14, high-speed shaft; 15, high-speed bearing; 16, front bearing cover; 17, main motor; 18, oil seal; 19, copper sleeve; 20, pressure plate; 21, guide Rod; 22, rear bearing cover; 23, coupling; 24, main motor support column; 25, lift support column; 26, protective cover; 27, support seat; 28, handle; 29, feed port; 30, angle adjustment slot; 31, door pin; 32, fixed through hole; 33, fixed plate; 34, door panel; 35, handle; 36, door lock; 37, sound-absorbing cotton; 38, transition notch; 39, high-speed shaft through hole; 40, baffle. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0026] like Figure 1-7As shown, an online 360-degree up, down, left, and right all-round grinding and polishing equipment on a pipe making machine includes a mounting frame 5 that serves as a mounting base and a right grinding head 1, a left grinding head 2, an upper grinding head 3, and a lower grinding head 4 that serve as grinding. The mounting frame 5 is a rectangular frame welded by steel plates, and discs are welded and fixed at both ends of the rectangular frame. Four grinding head mounting plates 6 are welded and fixed on the mounting frame 5. The four grinding head mounting plates 6 are welded in parallel in pairs, and the angle between the two groups is 90 degrees. Two handles 28 are symmetrically welded and fixed at both ends of the mounting frame 5. Both ends of the mounting frame 5 are connected to two sets of support seats 27 through rolling bearings. A circular feeding port 29 is opened on the support seat 27, and two angle adjustment grooves 30 are evenly distributed on the outer side of the feeding port 29. One group of grinding head mounting plates 6 is connected to the left grinding head 2 and the right grinding head 1, and the other one is connected to the left grinding head 2 and the right grinding head 1. The grinding head mounting plate 6 is connected to the upper grinding head 3 and the lower grinding head 4. The right grinding head 1, the left grinding head 2, the upper grinding head 3 and the lower grinding head 4 have the same structure, and are all composed of a guide rod 21, a main motor 17, a sliding box 11, a high-speed shaft 14, a grinding wheel 12, a lead screw 10, a lift 8 and a lead screw motor 7. Four guide rods 21 are provided. The middle parts of the four guide rods 21 are fixed to the two grinding head mounting plates 6 by screws. Both ends of the guide rods 21 are tapped with threads. The sliding box 11 is welded by steel plates to form a rectangular box. Four through holes are provided at the four corners of the top and bottom surfaces. Copper sleeves 19 are sleeved in the four through holes on the top and bottom surfaces. The copper sleeves 19 are restricted in the sliding box 11 by a pressure plate 20. The copper sleeves 19 are sleeved on the guide rods 21. One end of the four guide rods 21 is connected to the guide mounting plate 11. The mounting plate 9 is sleeved, and the guide mounting plate 9 is locked on the four guide rods 21 by the engagement of the thread set at the end of the guide rod 21 and the nut. Four elevator support columns 25 are fixed to the upper surface of the guide mounting plate 9 by bolts. The other ends of the four elevator support columns 25 are connected to the elevator 8 by bolts. The elevator 8 is connected to the lead screw 10 and the lead screw motor 7. The bottom of the lead screw 10 passes through the guide mounting plate 9 and is connected to the sliding box 11. The two symmetrical sides of the sliding box 11 are provided with circular holes, and the high-speed shaft 14 is inserted in the two circular holes. The high-speed shaft 14 is connected to the sliding box 11 through two sets of high-speed bearings 15, and the outer sides of the two sets of high-speed bearings 15 are provided with oil seals 18. The outer side of one set of high-speed bearings 15 is covered with a front bearing cover 16, and the outer side of the other set of high-speed bearings 15 is covered with a rear bearing The cover 22, the front bearing cover 16 and the rear bearing cover 22 are all fixed to the sliding box 11 by bolts, a grinding wheel 12 is sleeved on one end of the high-speed shaft 14, and clamping plates 13 are clamped on both sides of the grinding wheel 12, and the grinding wheel 12 is locked on the high-speed shaft 14 by nuts, and the other end of the high-speed shaft 14 is connected to the main motor 17 through a coupling 23, and the main motor 17 is connected to the rear bearing cover 22 through four main motor support columns 24. A set of protective covers 26 are provided on each set of grinding wheels 12, and the protective covers 26 are made of steel plates and then welded into a box shape, and the front surface of the protective covers 26 is connected to the door panel 34 through two sets of door pins 31, and the door panel 34 is made of steel plates, and a stainless steel handle 35 is welded and fixed on the outer surface of the door panel 34, and the door panel 34 is locked and connected with the protective cover 26 through a door lock 36.Two fixing plates 33 are symmetrically welded and fixed at the bottom of both sides of the protective cover 26. Each fixing plate 33 is provided with a fixing through hole 32. A rectangular transition notch 38 is provided on the bottom of the protective cover 26, and an inverted U-shaped high-speed shaft through hole 39 is provided in the middle of the back of the protective cover 26. The high-speed shaft through hole 39 is inserted with a high-speed shaft 14. The grinding wheel 12 fixed on the high-speed shaft 14 is placed inside the protective cover 26, and the bottom of the grinding wheel 12 extends out of the protective cover 26 through the transition notch 38. The inner wall of the protective cover 26 is bonded and fixed with sound insulation cotton 37. A baffle 40 is installed at the bottom of the high-speed shaft through hole 39, and the baffle 40 is fixed to the front bearing cover 16 by bolts.

[0027] In summary, the present invention is an online 360-degree up, down, left and right all-round grinding and polishing equipment on a pipe making machine. Through the arrangement of the right grinding head 1, the left grinding head 2, the upper grinding head 3, and the lower grinding head 4, the screw motor 7 is used to provide a driving force, and the screw 10 is driven to reciprocate through the transmission of the elevator 8. The screw 10 drives the sliding box 11 to reciprocate on the guide rod 21. The main motor 17 provides a driving force, and the high-speed shaft 14 is driven to rotate through the transmission of the coupling 23. The high-speed shaft 14 drives the grinding wheel 12 to rotate at a high speed. The right grinding head 1 and the left grinding head 2 are symmetrically arranged, and the upper grinding head 3 and the lower grinding head 4 are symmetrically arranged. The stainless steel pipe is 360 degrees in all-round grinding, polishing and sanding through the up and down, left and right four-way grinding head structure. When the grinding wheel 12 is worn, the screw motor 7 is used to adjust the distance between the sliding box 11 and the mounting frame 5 to achieve the purpose of automatic downward pressure grinding according to the wear amount of the grinding wheel 12. The grinding head 1, the left grinding head 2, the upper grinding head 3, and the lower grinding head 4 are arranged relatively up and down and left and right, which greatly assists the grinding force of the pipe and the pipe forming, thereby reducing the mold pressing force, avoiding mold strain and scratches, reducing the wear of machine parts, reducing the overall maintenance cost, and bringing real cost-effectiveness to the enterprise. The worker drives the mounting frame 5 to rotate by turning the handle 28, and then drives the four sets of grinding heads to rotate, so as to achieve 360-degree all-round grinding of the stainless steel pipe. The setting of the protective cover 26 can block the dust generated when the grinding wheel 12 grinds the stainless steel pipe, so as to achieve the purpose of waterproofing and dust prevention, and the sound-absorbing cotton 37 attached to the inner wall of the protective cover 26 absorbs the noise generated during grinding to reduce noise pollution. The protective cover 26 reduces the exposed area of ​​the grinding wheel 12, improves the safety of workers' operation, and improves the visual beauty through the setting of the protective cover 26.

[0028] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An online 360-degree up, down, left, and right all-round grinding and polishing device for a pipe making machine, comprising a mounting frame (5) serving as a mounting base and a right grinding head (1), a left grinding head (2), an upper grinding head (3), and a lower grinding head (4) serving as grinding, characterized in that: The mounting frame (5) is a rectangular frame welded from steel plates, with discs welded and fixed at both ends of the rectangular frame. Four grinding head mounting plates (6) are welded and fixed on the mounting frame (5). The right grinding head (1), the left grinding head (2), the upper grinding head (3) and the lower grinding head (4) have the same structure, and are all composed of a guide rod (21), a main motor (17), a sliding box (11), a high-speed shaft (14), a grinding wheel (12), a lead screw (10), a lifter (8) and a lead screw motor (7). Four guide rods (21) are provided, and the middle parts of the four guide rods (21) are fixed to the two grinding head mounting plates (6) by screws. Both ends of the guide rods (21) are tapped with threads. The sliding box (11) is a rectangular box welded from steel plates, and four through holes are provided at the four corners of the top and bottom surfaces. A copper sleeve (19) is sleeved in each through hole. One end of the four guide rods (21) is sleeved with the guide mounting plate (9), and the guide mounting plate (9) is locked on the four guide rods (21) by meshing the threads arranged at the ends of the guide rods (21) with the nuts. Four elevator support columns (25) are fixed to the upper surface of the guide mounting plate (9) by bolts. The other ends of the four elevator support columns (25) are connected to the elevator (8) by bolts. Circular holes are opened on the two symmetrical sides of the sliding box (11). High-speed shafts (14) are inserted into the two circular holes. A grinding wheel (12) is sleeved on one end of the high-speed shaft (14). The other end of the high-speed shaft (14) is connected to the main motor (17) through a coupling (23). A set of protective covers (26) is arranged on each set of grinding wheels (12).

2. The on-line 360-degree up, down, left, and right all-round grinding and polishing equipment for a pipe making machine according to claim 1, characterized in that: The grinding head mounting plates (6) are welded in parallel in pairs, and the angle between the two groups is 90 degrees. One group of grinding head mounting plates (6) is connected to the left grinding head (2) and the right grinding head (1), and the other group of grinding head mounting plates (6) is connected to the upper grinding head (3) and the lower grinding head (4). Two handles (28) are symmetrically welded and fixed at both ends of the mounting frame (5). The two ends of the mounting frame (5) are connected to two sets of support seats (27) through rolling bearings. A circular feeding port (29) is opened on the support seat (27), and two angle adjustment grooves (30) are evenly distributed on the outer side of the feeding port (29).

3. The on-line 360-degree up, down, left, and right all-round grinding and polishing equipment for a pipe making machine according to claim 1, characterized in that: The copper sleeve (19) is restricted in the sliding box (11) by a pressing plate (20), and the copper sleeve (19) is sleeved on a guide rod (21).

4. The on-line 360-degree up, down, left, and right all-round grinding and polishing equipment for a pipe making machine according to claim 1, characterized in that: The lift (8) is connected to a lead screw (10) and a lead screw motor (7), and the bottom of the lead screw (10) passes through a guide mounting plate (9) and is connected to a sliding box (11).

5. The on-line 360-degree up, down, left, and right all-round grinding and polishing equipment for a pipe making machine according to claim 1, characterized in that: The high-speed shaft (14) is connected to the sliding box (11) through two sets of high-speed bearings (15), and the two sets of high-speed bearings (15) are provided with oil seals (18) on the outside, one set of high-speed bearings (15) is covered with a front bearing cover (16) on the outside, and the other set of high-speed bearings (15) is covered with a rear bearing cover (22) on the outside, and the front bearing cover (16) and the rear bearing cover (22) are both fixed to the sliding box (11) by bolts.

6. The on-line 360-degree up, down, left, and right all-round grinding and polishing equipment for a pipe making machine according to claim 1, characterized in that: Clamping plates (13) are clamped on both sides of the grinding wheel (12), and the grinding wheel (12) is locked on the high-speed shaft (14) through a nut.

7. The on-line 360-degree up, down, left, and right all-round grinding and polishing equipment for a pipe making machine according to claim 1, characterized in that: The main motor (17) is connected to the rear bearing cover (22) via four main motor support columns (24).

8. The on-line 360-degree up, down, left, and right all-round grinding and polishing equipment for a pipe making machine according to claim 1, characterized in that: The protective cover (26) is formed into a box shape by bending and welding a steel plate, and the front surface of the protective cover (26) is connected to a door plate (34) through two sets of door pins (31). The door plate (34) is made of a steel plate, and a stainless steel handle (35) is welded and fixed on the outer surface of the door plate (34). The door plate (34) is locked and connected to the protective cover (26) through a door lock (36). Two fixing plates (33) are symmetrically welded and fixed to the bottom of both sides of the protective cover (26), and each fixing plate (33) is provided with a fixing through hole (32). The bottom surface of the protective cover (26) is provided with a rectangular A transition notch (38) is formed on the back of the protective cover (26), and an inverted U-shaped high-speed shaft through hole (39) is opened in the middle of the back of the protective cover (26). A high-speed shaft (14) is inserted into the high-speed shaft through hole (39). A grinding wheel (12) fixed on the high-speed shaft (14) is placed inside the protective cover (26), and the bottom of the grinding wheel (12) extends out of the protective cover (26) through the transition notch (38). Sound insulation cotton (37) is bonded and fixed to the inner wall of the protective cover (26). A baffle (40) is installed at the bottom of the high-speed shaft through hole (39), and the baffle (40) is fixed to the front bearing cover (16) by bolts.

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