A friction welding machine

Abstract

The present application relates to the technical field of friction welding, and particularly relates to a friction welding machine. The friction welding machine comprises a bottom plate, a support frame I, a support frame II, a sliding plate I, a clamp, a sliding plate II, a connecting cylinder, a rotating frame and the like. The support frame I and the support frame II are both installed on the bottom plate. The sliding plate I is slidingly arranged on the support frame I. The clamp is rotatably installed on the sliding plate I and is used for fixing the welding piece. The sliding plate II is slidingly arranged on the support frame II. The connecting cylinder is installed on the sliding plate II. The rotating frame is rotatably installed in the connecting cylinder. The clamp, the connecting cylinder, the rotating frame, the guide rod, the movable frame, the sliding rod, the grinding knife, the translation mechanism, the rotating mechanism, the adjusting mechanism and the close-together mechanism are cooperated to enable the welding piece to be friction welded on the product surface through high-speed rotation, and the grinding knife is used to grind the residues on the product surface, so that the residues on the product surface are automatically removed. The friction welding machine is convenient to use and saves time and effort.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of friction welding, in particular to a friction welding machine. BACKGROUND

[0002] Friction welding, as a kind of efficient and environmentally friendly connection technology, has shown its unique advantages in many industrial fields; especially with the rapid development of material science, automation control technology and computer technology, the design and performance of friction welding machine have been significantly improved, becoming an indispensable advanced process means for connecting metals and some non-metallic materials; friction welding is a solid-state welding technology, which makes the surface to be welded reach the plastic state through the friction heat generated by the high-speed rotating workpiece or tool, and then realizes the combination of atoms under the action of pressure to form a firm welded joint; in this process, the material does not go through the melting stage, thus avoiding the possible metallurgical defects such as pores, slag inclusion, etc. caused by traditional fusion welding, and is particularly suitable for welding of materials with high melting point, easy oxidation or heat sensitivity.

[0003] At present, when using the traditional friction welding machine to friction weld the surface of the product, the welding piece is usually fixed on the clamp, and then the welding piece is brought close to the surface of the product, and then the welding piece is rotated at high speed by the clamp, so that the contact surfaces of the welding piece and the product are brought to the plastic state by friction heat, and then the combination of atoms is realized under the action of pressure, so that the welding piece is fixed on the product by friction welding; however, during the use of the above-mentioned traditional friction welding machine, since the welding piece and the surface of the product are generally coated with a coating, and these coatings are easy to form small particles similar to slag during friction heat generation, which causes splashing, so that the surface of the product is easy to stick to small particles to form residues, resulting in the need for manual removal of the residues on the surface of the product by using polishing tools during subsequent processing, which is not only troublesome, but also time-consuming and laborious. SUMMARY

[0004] Therefore, the present application provides a friction welding machine, which can solve the problem that the surface of the product is easy to stick to small particles to form residues after the traditional friction welding machine completes friction welding, resulting in the need for manual processing, which is not only troublesome, but also time-consuming and laborious.

[0005] The technical implementation of the present application is: a friction welding machine, comprising a base plate and a moving platform, and further comprising a support frame I, a support frame II, a sliding plate I, a clamp, a sliding plate II, a connecting cylinder, a rotating frame, a guide rod, a movable frame, a sliding rod, a polishing knife, a translation mechanism, a rotating mechanism, an adjusting mechanism and a close-fit mechanism, the support frame I and the support frame II are both installed on the base plate, the sliding plate I is slidingly arranged on the support frame I, the clamp is rotatably installed on the sliding plate I, and the clamp is used for fixing the welded parts, the sliding plate II is slidingly arranged on the support frame II, the connecting cylinder is installed on the sliding plate II, the rotating frame is rotatably installed in the connecting cylinder, the guide rod is installed on the rotating frame, the movable frame is slidingly installed on the guide rod, the sliding rod is slidingly arranged in the movable frame, the polishing knife is installed on the sliding rod, and the polishing knife is used for removing the residues on the surface of the product, the translation mechanism is used for driving the sliding plate I and the sliding plate II to move, the rotating mechanism is used for driving the clamp and the rotating frame to rotate, so that the welded parts clamped by the clamp are friction welded with the surface of the product, the adjusting mechanism is used for driving the movable frame to move on the guide rod, and the close-fit mechanism is used for making the polishing knife close to the surface of the product.

[0006] Optionally, the translation mechanism comprises an electric push rod I and an electric push rod II, the electric push rod I is installed on the support frame I, and the telescopic rod of the electric push rod I is connected with the sliding plate I, the electric push rod II is installed on the support frame II, and the telescopic rod of the electric push rod II is connected with the sliding plate II.

[0007] Optionally, the rotating mechanism comprises a servo motor and a reduction motor, the servo motor is installed on the sliding plate I, and the output shaft of the servo motor is connected with the clamp, the reduction motor is installed in the connecting cylinder, and the output shaft of the reduction motor is connected with the rotating frame.

[0008] Optionally, the adjusting mechanism comprises an electric push rod III and a limiting plate, the electric push rod III is installed on the rotating frame, and the telescopic rod of the electric push rod III is connected with the movable frame, the limiting plate is installed at the end of the guide rod, and the limiting plate is used for limiting the movable frame on the guide rod.

[0009] Optionally, the close-fit mechanism comprises a connecting plate and a spring, the connecting plate is installed in the movable frame, and the spring is connected at both ends with the connecting plate and the sliding rod.

[0010] Optionally, further comprising a limiting mechanism, the limiting mechanism comprises a pneumatic cylinder and a friction plate, the pneumatic cylinder is installed in the movable frame, the friction plate is connected with the telescopic rod of the pneumatic cylinder, and the friction plate is used for limiting the sliding rod.

[0011] Optionally, further comprising a blowing mechanism, the blowing mechanism comprises a connecting frame and a fan, the connecting frame is installed on the connecting cylinder, the fan is installed on the connecting frame, and the fan is used for blowing off the residues on the surface of the product.

[0012] Optionally, a preheating mechanism is further included, which comprises a support frame III and a flame sprayer, the support frame III is installed on the bottom plate, the flame sprayer is installed on the support frame III, and the flame sprayer is used for preheating the product surface by spraying fire.

[0013] Compared with the prior art, the present application has the following advantages: 1. The present application can automatically remove the residues on the product surface by high-speed rotary friction welding of the welding part on the product surface and subsequent polishing of the residues on the product surface by the polishing knife, which is not only convenient to use, but also saves time and effort.

[0014] 2. The present application can limit the sliding of the sliding rod in the movable frame by the friction plate through friction force, so as to prevent the sliding rod from affecting the polishing of the residues on the product surface by the polishing knife.

[0015] 3. The present application can preheat the position to be welded on the product by the flame sprayer, so as to preheat the position to be welded on the product, so as to facilitate subsequent friction welding of the product and the welding part. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application.

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the present application.

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the present application.

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the present application.

[0020] Figure 5 It is a sectional view of the connecting cylinder.

[0021] Figure 6 It is a sectional view of the movable frame.

[0022] Figure 7 It is a schematic diagram of the three-dimensional structure of the present application.

[0023] Figure 8 It is a schematic diagram of the three-dimensional structure of the present application.

[0024] Figure 9 It is a schematic diagram of the three-dimensional structure of the present application.

[0025] Figure 10 Figure 3 is a perspective view of the support frame III and the flame sprayer of the present application.

[0026] Figure 1 shows the meaning of the reference signs: 1: base plate, 101: product, 2: moving platform, 3: support frame I, 4: support frame II, 5: sliding plate I, 6: clamp, 7: sliding plate II, 8: connecting cylinder, 9: rotating frame, 10: guide rod, 11: movable frame, 12: sliding rod, 13: polishing knife, 14: electric push rod I, 15: electric push rod II, 16: servo motor, 17: speed reducer, 18: electric push rod III, 19: limiting plate, 20: connecting plate, 21: spring, 22: air cylinder, 23: friction plate, 24: connecting frame, 25: fan, 26: support frame III, 27: flame sprayer. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings. It is hereby declared that the up, down, left, right, front, back, inner and outer directions appearing or about to appear in the present application are based on the drawings of the present application, and are not specific limitations of the present application.

[0028] Embodiment: a friction welding machine, referring to Figures 1-6 As shown, it comprises a base plate 1 and a moving platform 2; the moving platform 2 is slidingly installed on the base plate 1, and the product 101 is fixed on the moving platform 2; by controlling the moving platform 2 to translate on the base plate 1, the product 101 can be driven to translate, so as to adjust the position of the product 101;

[0029] It also includes support frame I 3, support frame II 4, sliding plate I 5, clamp 6, sliding plate II 7, connecting cylinder 8, rotating frame 9, guide rod 10, movable frame 11, sliding rod 12, polishing knife 13, translation mechanism, rotating mechanism, adjusting mechanism and close mechanism; support frame I 3 is installed on the top front side of the bottom plate 1; support frame II 4 is installed on the top front side of the bottom plate 1, and support frame II 4 is located on the right side of support frame I 3; sliding plate I 5 is slidably arranged on the upper side of support frame I 3; clamp 6 is rotatably installed on sliding plate I 5, and clamp 6 is used for fixing the welded part; sliding plate II 7 is slidably arranged on the upper side of support frame II 4; connecting cylinder 8 is installed on sliding plate II 7; rotating frame 9 is rotatably installed in connecting cylinder 8; two guide rods 10 are installed on rotating frame 9; movable frame 11 is slidably installed on the guide rod 10; sliding rod 12 is slidably arranged in movable frame 11; polishing knife 13 is installed on sliding rod 12, and polishing knife 13 is used for removing the residues on the surface of product 101, so as to automatically process the residues on the surface of product 101; the translation mechanism is used for driving sliding plate I 5 and sliding plate II 7 to move, so that clamp 6 drives the welded part to move into contact with the surface of product 101, and the polishing knife 13 on the sliding rod 12 moves into contact with the surface of product 101; the rotating mechanism is used for driving clamp 6 and rotating frame 9 to rotate, so that the welded part clamped by clamp 6 is friction welded with the surface of product 101, and the polishing knife 13 removes the residues on the surface of product 101 by rotating; the adjusting mechanism is used for driving movable frame 11 to move on the guide rod 10, so that the polishing knife 13 gradually approaches the periphery of the welded part on product 101, so that the polishing knife 13 removes the residues on the periphery of the welded part on product 101; the close mechanism is used for making the polishing knife 13 close to the surface of product 101, so as to facilitate the polishing knife 13 to remove the residues on the surface of product 101.

[0030] Referring to Figure 3 and Figure 4 As shown, the translation mechanism includes electric push rod I 14 and electric push rod II 15; electric push rod I 14 is installed on the upper side of support frame I 3, and the telescopic rod of electric push rod I 14 is connected with sliding plate I 5, so that electric push rod I 14 can drive sliding plate I 5 to translate on support frame I 3; electric push rod II 15 is installed on the upper side of support frame II 4, and the telescopic rod of electric push rod II 15 is connected with sliding plate II 7, so that electric push rod II 15 can drive sliding plate II 7 to translate on support frame II 4.

[0031] Referring to Figure 3 and Figure 5As shown, the rotating mechanism comprises a servo motor 16 and a reduction motor 17; the servo motor 16 is installed on the slide plate I 5, and the output shaft of the servo motor 16 is connected with the clamp 6, so that the servo motor 16 can drive the clamp 6 to rotate; the reduction motor 17 is installed in the connecting cylinder 8, and the output shaft of the reduction motor 17 is connected with the rotating frame 9, so that the reduction motor 17 can drive the rotating frame 9 to rotate.

[0032] Referring to Figure 5 As shown, the adjusting mechanism comprises an electric push rod III 18 and a limiting plate 19; the electric push rod III 18 is installed on the rotating frame 9, and the telescopic rod of the electric push rod III 18 is connected with the movable frame 11, so that the electric push rod III 18 can drive the movable frame 11 to move and adjust the position; the limiting plate 19 is installed at the end of the guide rod 10, and the limiting plate 19 is used for limiting the movable frame 11 on the guide rod 10.

[0033] Referring to Figure 6 As shown, the close-to mechanism comprises a connecting plate 20 and a spring 21; the connecting plate 20 is installed inside the movable frame 11; the spring 21 is connected with the connecting plate 20 and the sliding rod 12 at both ends, and by the elastic force of the spring 21, the polishing knife 13 on the sliding rod 12 can be close to the surface of the product 101.

[0034] When the welding piece needs to be welded on the surface of the product 101 by friction, first, the product 101 is fixed on the moving platform 2, then the welding piece is fixed by the clamp 6, and then the product 101 is moved to the right by controlling the moving platform 2, so as to adjust the position of the product 101, until the position of the product 101 that needs to be welded is aligned with the welding piece on the clamp 6, then the slide plate II 7 is driven to move backward by the electric push rod II 15, so as to drive the clamp 6 and the welding piece to move backward, until the welding piece contacts the surface of the product 101, then the clamp 6 and the welding piece are driven to rotate at high speed by the servo motor 16, so that the welding piece rotates at high speed on the surface of the product 101, so that the contact surface of the welding piece and the product 101 generates heat by friction to reach a plastic state, until the welding piece is fixed on the product 101 by friction welding, then the welding piece is loosened by the clamp 6, and then the slide plate II 7 is driven to move forward to reset by the electric push rod II 15, so as to drive the clamp 6 to move forward to reset, and then the product 101 is moved to the right by controlling the moving platform 2, so as to adjust the position of the product 101, until the welding piece on the product 101 is aligned with the center of the connecting cylinder 8, then the slide plate II 7 and the connecting cylinder 8 are driven to move backward by the electric push rod II 15, so as to drive the rotating frame 9, the guide rod 10, the movable frame 11, the connecting plate 20, the sliding rod 12 and the grinding knife 13 to move backward, when the grinding knife 13 contacts the product 101, the product 101 will block the movement of the grinding knife 13 and the sliding rod 12, when the movable frame 11 and the connecting plate 20 continue to move backward, the spring 21 is compressed, under the elastic force of the spring 21, the spring 21 will extrude the sliding rod 12 and the grinding knife 13 by the elastic force, so that the grinding knife 13 tightly adheres to the surface of the product 101, then the movable frame 11 is driven to move to the side close to the center of the connecting cylinder 8 by the electric push rod III 18, so as to drive the sliding rod 12 and the grinding knife 13 to move to the side close to the center of the connecting cylinder 8, so that the grinding knife 13 gradually approaches the welding piece on the product 101, until the grinding knife 13 contacts the outer wall of the welding piece, then the rotating frame 9 is driven to rotate by the reduction motor 17, so as to drive the guide rod 10, the movable frame 11, the sliding rod 12 and the grinding knife 13 to rotate, so that the grinding knife 13 grinds the residues on the surface of the product 101, so as to remove the residues on the surface of the product 101, after the residues on the surface of the product 101 are removed, the movable frame 11 is driven to move to the side away from the center of the connecting cylinder 8 by the electric push rod III 18, so as to drive the sliding rod 12 and the grinding knife 13 to move to the side away from the center of the connecting cylinder 8, then the slide plate II 7 and the connecting cylinder 8 are driven to move forward to reset by the electric push rod II 15, so as to drive the rotating frame 9, the guide rod 10, the movable frame 11 and the connecting plate 20 to move forward to reset, during which the spring 21 gradually returns to the original state, when the spring 21 returns to the original state, the connecting plate 20 will pull the sliding rod 12 and the grinding knife 13 to move forward to reset by the spring 21, so that the grinding knife 13 is separated from the product 101, and so on.The welding piece is friction-welded on the surface of the product 101, and then the product 101 is removed from the moving platform 2, and the moving platform 2 is controlled to move the product 101 to the left to reset.

[0035] Referring to Figure 6 and Figure 7 Further comprising a limiting mechanism, the limiting mechanism comprising a cylinder 22 and a friction plate 23; the cylinder 22 is installed inside the movable frame 11; the friction plate 23 is connected to the telescopic rod of the cylinder 22, and the friction plate 23 is driven by the cylinder 22 to move to contact the sliding rod 12, so that the friction plate 23 can limit the sliding rod 12.

[0036] When the grinding knife 13 contacts the outer wall of the welding piece, the friction plate 23 can be driven by the cylinder 22 to move to the side close to the sliding rod 12 until the friction plate 23 contacts the sliding rod 12, so that the friction plate 23 limits the sliding rod 12 by friction to prevent the sliding rod 12 from sliding in the movable frame 11 and affecting the grinding of the residues on the surface of the product 101 by the grinding knife 13; then, after the residues on the surface of the product 101 are removed, the friction plate 23 is driven by the cylinder 22 to move to the side away from the sliding rod 12 to reset, so that the friction plate 23 is separated from the sliding rod 12.

[0037] Referring to Figure 8 Further comprising a blowing mechanism, the blowing mechanism comprising a connecting frame 24 and a fan 25; the connecting frame 24 is installed on the outer wall of the connecting barrel 8; the fan 25 is installed on the upper side of the connecting frame 24, and the fan 25 is used to blow the residues on the surface of the product 101.

[0038] When the grinding knife 13 grinds the residues on the surface of the product 101, the fan 25 can be used to blow the surface of the product 101 to blow off the residues ground on the surface of the product 101, thereby preventing the residues from adhering to the surface of the product 101.

[0039] Referring to Figure 9 and Figure 10 Further comprising a preheating mechanism, the preheating mechanism comprising a support frame III 26 and a flame sprayer 27; the support frame III 26 is installed on the top of the bottom plate 1, and the support frame III 26 is located at the rear side of the support frame I 3; the flame sprayer 27 is installed on the upper side of the support frame III 26, and the flame sprayer 27 is used to preheat the surface of the product 101 by spraying fire.

[0040] When the mobile platform 2 moves the product 101 to the right, the position to be welded on the product 101 is aligned with the welding member on the clamp 6, the torch 27 can be started to spray fire on the position to be welded on the product 101 (the temperature of the fire should not be higher than the melting point of the product 101, so as to prevent the product 101 from melting due to the temperature of the fire), so as to preheat the position to be welded on the product 101 (the preheating can help to reduce the welding stress, control the cooling speed, improve the performance of the heat-affected zone, and prevent the formation of cold cracks, in addition, if the temperature of the working environment is low, the preheating can also help to maintain a more stable welding process), so as to facilitate the subsequent friction welding between the product 101 and the welding member, and after the preheating of the position to be welded on the product 101 is completed, the torch 27 can be turned off.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the scope of protection of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the technical solutions of the present application.

Claims

1. A friction welding machine comprising a base plate (1) and a movable platform (2), characterized in that: The invention also includes a support frame I (3), a support frame II (4), a slide plate I (5), a fixture (6), a slide plate II (7), a connecting tube (8), a rotating frame (9), a guide rod (10), a movable frame (11), a sliding rod (12), a grinding knife (13), a translation mechanism, a rotating mechanism, an adjustment mechanism and a close-fitting mechanism. The support frame I (3) and the support frame II (4) are both installed on the bottom plate (1). The slide plate I (5) is slidably arranged on the support frame I (3). The fixture (6) is rotatably installed on the slide plate I (5). The fixture (6) is used to fix the welded parts. The slide plate II (7) is slidably arranged on the support frame II (4). The connecting tube (8) is installed on the slide plate II (7). The rotating frame (9) is rotatably installed in the connecting tube (8). The guide rod (10) is mounted on the rotating frame (9), the movable frame (11) is slidably mounted on the guide rod (10), the sliding rod (12) is slidably arranged in the movable frame (11), the grinding knife (13) is mounted on the sliding rod (12), and the grinding knife (13) is used to remove residues on the surface of the product (101), the translation mechanism is used to drive the slide plate I (5) and the slide plate II (7) to move, the rotation mechanism is used to drive the clamp (6) and the rotating frame (9) to rotate, so that the welding part clamped by the clamp (6) is friction-welded with the surface of the product (101), the adjustment mechanism is used to drive the movable frame (11) to move on the guide rod (10), and the close contact mechanism is used to make the grinding knife (13) close to the surface of the product (101); The translation mechanism includes an electric push rod I (14) and an electric push rod II (15), wherein the electric push rod I (14) is mounted on the support frame I (3), and the telescopic rod of the electric push rod I (14) is connected to the slide plate I (5), and the electric push rod II (15) is mounted on the support frame II (4), and the telescopic rod of the electric push rod II (15) is connected to the slide plate II (7); The rotating mechanism includes a servo motor (16) and a reduction motor (17), the servo motor (16) is mounted on the slide plate I (5), and the output shaft of the servo motor (16) is connected to the fixture (6), the reduction motor (17) is mounted in the connecting tube (8), and the output shaft of the reduction motor (17) is connected to the rotating frame (9); The adjustment mechanism includes an electric push rod III (18) and a limit plate (19), the electric push rod III (18) is installed on the rotating frame (9), and the telescopic rod of the electric push rod III (18) is connected to the movable frame (11), the limit plate (19) is installed on the end of the guide rod (10), and the limit plate (19) is used to limit the movable frame (11) on the guide rod (10); The close contact mechanism includes a connecting plate (20) and a spring (21), wherein the connecting plate (20) is installed in the movable frame (11), and the two ends of the spring (21) are respectively connected to the connecting plate (20) and the sliding rod (12); The mobile platform (2) is slidably mounted on the base plate (1), and the product (101) is fixed on the mobile platform (2). By controlling the mobile platform (2) to move horizontally on the base plate (1), the product (101) can be driven to move horizontally, thereby adjusting the position of the product (101); The movable frame (11) is driven by the electric push rod III (18) to move toward the side close to the center of the connecting tube (8), thereby driving the sliding rod (12) and the grinding knife (13) to move toward the side close to the center of the connecting tube (8), so that the grinding knife (13) gradually approaches the welded part on the product (101) until the grinding knife (13) contacts the outer wall of the welded part, and then the reduction motor (17) drives the rotating frame (9) to rotate, thereby driving the guide rod (10), the movable frame (11), the sliding rod (12) and the grinding knife (13) to rotate, so that the grinding knife (13) grinds the residue on the surface of the product (101).

2. A friction welding machine according to claim 1, characterized in that: The invention also includes a limiting mechanism, which includes a cylinder (22) and a friction plate (23). The cylinder (22) is installed in the movable frame (11), and the friction plate (23) is connected to the telescopic rod of the cylinder (22). The friction plate (23) is used to limit the sliding rod (12).

3. A friction welding machine according to claim 2, characterized in that: The blower mechanism also includes a connecting frame (24) and a fan (25), wherein the connecting frame (24) is mounted on the connecting tube (8), and the fan (25) is mounted on the connecting frame (24), and the fan (25) is used to blow off residues on the surface of the product (101).

4. A friction welding machine according to claim 3, characterized in that: The invention also includes a preheating mechanism, which includes a support frame III (26) and a flamethrower (27). The support frame III (26) is installed on the bottom plate (1), and the flamethrower (27) is installed on the support frame III (26). The flamethrower (27) is used to preheat the surface of the product (101) by spraying fire.

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