Adjustable welding roller carrier

Abstract

The utility model belongs to the field of welding, particularly relates to an adjustable welding roller carrier, and provides the following scheme aiming at the problems of troublesome fixation and poor flexibility due to the adoption of nut fixation in the prior art: the adjustable welding roller carrier comprises a base, the number of the sliding strips is four, and the four sliding strips are connected to the top of the base through bolts; the welding roller assembly comprises two connecting frames, four welding seats, four connecting lugs and four supporting rollers, the side faces of the two welding seats are welded to the two ends of the connecting frames correspondingly, and the tops of the welding seats are connected with the bottoms of the connecting lugs through bolts. The welding base can be fixed to the sliding strip through downward movement of the fixing block, a nut does not need to be rotated, fixing is convenient, screw holes do not need to be aligned, the fixing block can be used for downward fixing when the welding base moves to any position of the sliding strip, and the welding base is good in fixing flexibility.

Description

Technical Field

[0001] This utility model relates to the field of welding technology, and in particular to an adjustable welding roller frame. Background Technology

[0002] Welding roller frames are a type of welding auxiliary equipment, widely used in the welding of inner and outer circumferential seams and inner and outer longitudinal seams of cylindrical equipment in the petroleum, chemical, and machinery industries. For example, Chinese patent document with publication number CN215588337U discloses an adjustable welding roller frame.

[0003] The above technical solution uses nuts for fixing, which has a good fixing effect, but it is relatively troublesome to fix. It cannot be fixed automatically and the nut needs to be rotated. Moreover, the nut must be aligned with the threaded hole to be fixed, which makes the device unable to be fixed between two threaded holes and has poor flexibility. Utility Model Content

[0004] The purpose of this utility model is to solve the shortcomings of existing technologies that use nuts for fixing, which are troublesome and lack flexibility, and to propose an adjustable welding roller frame.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An adjustable welding roller frame, comprising

[0007] Base;

[0008] There are four sliders, all of which are bolted to the top of the base.

[0009] The welding roller assembly includes a connecting frame, welding seats, connecting ears, and support rollers. There are two connecting frames, and four welding seats, four connecting ears, and four support rollers. The sides of the two welding seats are welded to both ends of the connecting frame, the top of the welding seats is bolted to the bottom of the connecting ears, and the inner side of the connecting ears is rotatably connected to the axis of the support rollers.

[0010] The fixing components are provided in four parts. Each fixing component includes a transmission frame, a hinge rod, and a fixing block. There are two transmission frames, two hinge rods, and two fixing blocks. The transmission frame is hinged to the hinge rod, and the bottom end of the hinge rod is hinged to the top of the fixing block.

[0011] The adjustment mechanism is connected to the connecting frame;

[0012] The lifting mechanism has four parts and is connected to the transmission frame. The welding seat can be fixed on the slide bar by moving the fixing block downwards without turning the nut, which is convenient. It also does not require aligning the screw hole. The welding seat can be fixed downwards by the fixing block at any position on the slide bar, which provides good flexibility in fixing the welding seat.

[0013] As a preferred embodiment of this utility model, the lifting mechanism includes an electric push cylinder, a connecting block, and transmission rods. The output end of the electric push cylinder is bolted to the bottom of the connecting block. There are two transmission rods, the bottom ends of which are hinged to the two ends of the connecting block. The transmission rods are hinged to the transmission frame. The power supply to the electric push cylinder is turned on. The electric push cylinder is controlled by a controller. The electric push cylinder can drive the connecting block to move, the connecting block can drive the two transmission rods to move upward, and the transmission rods can drive the transmission frame to rotate.

[0014] In a preferred embodiment of this utility model, the surface of the electric push cylinder is bolted to the side of the welding seat, the transmission frame is hinged to the welding seat, and the electric push cylinder is fixed by the welding seat, which facilitates the electric push cylinder to drive the connecting block to move. The transmission frame is rotatably set with the welding seat through bearings.

[0015] In a preferred embodiment of this utility model, the adjustment mechanism includes a power motor and a double-threaded screw. The output end of the power motor is keyed to the left end of the double-threaded screw. Both ends of the surface of the double-threaded screw are threaded to the screw holes of the two connecting brackets respectively. The right side of the power motor is bolted to the left side of the base. Both ends of the double-threaded screw are rotatably sleeved to the top of the base. The power motor is fixed by the base to facilitate its operation. When the power supply to the power motor is turned on, the power motor is controlled by a motor controller. The power motor can drive the double-threaded screw to rotate. The teeth on both sides of the surface of the double-threaded screw have opposite directions, and the double-threaded screw can drive the two connecting brackets to move closer to each other.

[0016] As a preferred embodiment of this utility model, the bottom of the welding seat is slidably connected to the top of the two slide bars, the surface of the fixing block is slidably connected to the sliding sleeve, the sliding sleeve is bolted to the welding seat, the slide bars limit the sliding of the welding seat to facilitate the movement of the welding seat, the sliding sleeve limits the sliding of the fixing block to allow the fixing block to move up and down smoothly, and the bottom of the fixing block has a trapezoidal structure.

[0017] As a preferred embodiment of this utility model, the groove at the top of the slider is provided with teeth, and the bottom of the fixing block is integrally machined with a toothed strip. The toothed strip of the fixing block corresponds to the teeth of the slider. After the fixing block moves downward, the toothed strip of the fixing block can be inserted into the groove of the slider, and the fixing block and the slider are fixed by the toothed strip and the teeth.

[0018] Beneficial effects:

[0019] 1. The lifting mechanism can drive the transmission frame to rotate, the transmission frame can drive the hinge rod to move, the hinge rod can drive the fixed block to move, and the fixed block can clamp downward on the slide bar to automatically fix the welding seat.

[0020] 2. The electric push cylinder can drive the connecting block to move, the connecting block can drive the transmission rod to rise and fall, and the transmission rod can drive the transmission frame to rotate, which facilitates the fixing of the welding seat;

[0021] In this invention, the welding seat can be fixed to the slide bar by moving the fixing block downwards, without the need to rotate the nut, which is convenient. Moreover, there is no need to align the screw hole. The welding seat can be fixed downwards by moving the fixing block to any position on the slide bar, which provides good flexibility in fixing the welding seat. Attached Figure Description

[0022] Figure 1 This is a perspective view of the entire utility model;

[0023] Figure 2 This is a perspective view of the welding seat of this utility model;

[0024] Figure 3 This is a perspective view of the slider of this utility model;

[0025] Figure 4 This is a perspective view of the adjustment mechanism of this utility model.

[0026] In the diagram: 1. Base; 2. Slide bar; 3. Connecting frame; 4. Welding seat; 5. Connecting ear; 6. Support roller; 7. Electric push cylinder; 8. Connecting block; 9. Transmission rod; 10. Transmission frame; 11. Hinge rod; 12. Fixing block; 13. Sliding sleeve; 14. Power motor; 15. Double-threaded screw. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0028] Example 1

[0029] Reference Figures 1-4 An adjustable welding roller frame, comprising

[0030] Base 1;

[0031] Slide bar 2, there are four slide bars 2, and all four slide bars 2 are bolted to the top of the base 1;

[0032] The welding roller assembly includes a connecting frame 3, a welding seat 4, a connecting ear 5, and a support roller 6. There are two connecting frames 3, and four welding seats 4, four connecting ears 5, and four support rollers 6. The sides of the two welding seats 4 are welded to the two ends of the connecting frame 3 respectively. The top of the welding seat 4 is bolted to the bottom of the connecting ear 5. The inner side of the connecting ear 5 is rotatably connected to the axis of the support roller 6.

[0033] The fixing components are provided in four parts. The fixing components include a transmission frame 10, a hinge rod 11, and a fixing block 12. There are two transmission frames 10, two hinge rods 11, and two fixing blocks 12. The transmission frame 10 is hinged to the hinge rod 11, and the bottom end of the hinge rod 11 is hinged to the top of the fixing block 12.

[0034] Adjustment mechanism, the adjustment mechanism is connected to the connecting frame 3;

[0035] The lifting mechanism has four parts, and the lifting mechanism is connected to the transmission frame 10.

[0036] With the above structure, the welding seat 4 can be fixed on the slide bar 2 by moving the fixing block 12 downwards without turning the nut, which is more convenient. Moreover, there is no need to align the screw hole. The welding seat 4 can be fixed downwards by the fixing block 12 at any position of the slide bar 2, and the welding seat 4 has good flexibility in fixing.

[0037] Please see Figure 2 The lifting mechanism includes an electric push cylinder 7, a connecting block 8, and a transmission rod 9. The output end of the electric push cylinder 7 is bolted to the bottom of the connecting block 8. There are two transmission rods 9, and the bottom ends of the two transmission rods 9 are hinged to the two ends of the connecting block 8. The transmission rods 9 are hinged to the transmission frame 10. When the power supply to the electric push cylinder 7 is turned on, the electric push cylinder 7 is controlled by a controller. The electric push cylinder 7 can drive the connecting block 8 to move, the connecting block 8 can drive the two transmission rods 9 to move upward, and the transmission rods 9 can drive the transmission frame 10 to rotate.

[0038] Please see Figure 2 The surface of the electric push cylinder 7 is bolted to the side of the welding seat 4. The transmission frame 10 is hinged to the welding seat 4. The electric push cylinder 7 is fixed by the welding seat 4, which facilitates the electric push cylinder 7 to drive the connecting block 8 to move. The transmission frame 10 is rotatably set with the welding seat 4 through bearings.

[0039] Please see Figure 4The adjustment mechanism includes a power motor 14 and a double-threaded screw 15. The output end of the power motor 14 is keyed to the left end of the double-threaded screw 15. The two ends of the surface of the double-threaded screw 15 are threaded to the screw holes of the two connecting brackets 3 respectively. The right side of the power motor 14 is bolted to the left side of the base 1. Both ends of the double-threaded screw 15 are rotatably sleeved to the top of the base 1. The power motor 14 is fixed by the base 1 to facilitate its operation. When the power supply to the power motor 14 is turned on, the power motor 14 is controlled by a motor controller. The power motor 14 can drive the double-threaded screw 15 to rotate. The teeth on both sides of the surface of the double-threaded screw 15 have opposite directions. The double-threaded screw 15 can drive the two connecting brackets 3 to move closer to each other.

[0040] Please see Figure 4 The bottom of the welding seat 4 is slidably connected to the top of the two slide bars 2. The surface of the fixing block 12 is slidably connected to the slide sleeve 13. The slide sleeve 13 is bolted to the welding seat 4. The slide bars 2 slide and limit the welding seat 4 to facilitate the movement of the welding seat 4. The slide sleeve 13 slides and limits the fixing block 12 to allow the fixing block 12 to move up and down smoothly. The bottom of the fixing block 12 has a trapezoidal structure.

[0041] Please see Figure 3 The groove at the top of the slide bar 2 has teeth, and the bottom of the fixing block 12 is integrally machined with a toothed strip. The toothed strip of the fixing block 12 corresponds to the teeth of the slide bar 2. After the fixing block 12 moves downward, the toothed strip of the fixing block 12 can be inserted into the groove of the slide bar 2, and the fixing block 12 and the slide bar 2 are fixed by the toothed strip and the teeth.

[0042] Example 2

[0043] The difference between this embodiment and embodiment one is that the connecting block 8 and the transmission rod 9 are replaced with a U-shaped lifting frame and a sliding frame rotatably connected to the top of the U-shaped lifting frame. The inside of the sliding frame is slidably connected to the surface of the transmission frame 10. The electric push cylinder 7 can drive the sliding frame to rise and fall through the U-shaped lifting frame, and the sliding frame can drive the transmission frame 10 to rotate. However, the friction between the sliding frame and the transmission frame 10 is large throughout the process. Therefore, this application preferably uses the connecting block 8 and the transmission rod 9.

[0044] It should be noted that the specific model of electric push cylinder 7 and power motor 14 used shall be selected by those skilled in the art. Furthermore, the electric push cylinder 7 and power motor 14 mentioned above are all existing technologies and will not be elaborated upon in this solution.

[0045] The operating steps of this utility model are as follows: When operation is required, first adjust the spacing of the support rollers 6. The power motor 14 is fixed by the base 1 to facilitate the operation of the power motor 14. Connect the power supply to the power motor 14. The power motor 14 is controlled by a motor controller. The power motor 14 can drive the double-threaded screw 15 to rotate. The teeth on both sides of the surface of the double-threaded screw 15 have opposite directions. The double-threaded screw 15 can drive the two connecting frames 3 to move closer to each other. The connecting frames 3 can drive the left and right sets of welding seats 4 to move closer to each other. The welding seats 4 are also mounted on the slide bar 2. The cross-section of the slide bar 2 can adopt a trapezoidal structure that is wider at the top and narrower at the bottom to guide the welding seats 4. The welding seats 4 can drive the connecting ears 5 and the support rollers. 6. After moving and adjusting to a suitable position, turn on the power to the electric push cylinder 7. The electric push cylinder 7 is controlled by a controller. The electric push cylinder 7 can drive the connecting block 8 to move. The connecting block 8 can drive the two transmission rods 9 to move upward. The transmission rods 9 can drive the transmission frame 10 to rotate. The transmission frame 10 can drive the hinge rod 11 to move downward. The hinge rod 11 can drive the fixing block 12 to move downward. The fixing block 12 can clamp downward on the slide bar 2, automatically fixing the welding seat 4. There is no need to turn the nut, which is more convenient. There is also no need to align the screw hole. The welding seat 4 can be fixed downward by the fixing block 12 at any position of the slide bar 2. The welding seat 4 has good fixing flexibility.

[0046] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An adjustable welding roller frame, characterized in that, include Base (1); Slide bar (2), there are four slide bars (2), and all four slide bars (2) are bolted to the top of the base (1); The welding roller assembly includes a connecting frame (3), a welding seat (4), a connecting ear (5), and a support roller (6). There are two connecting frames (3), and four welding seats (4), four connecting ears (5), and four support rollers (6). The sides of the two welding seats (4) are welded to the two ends of the connecting frame (3) respectively. The top of the welding seat (4) is bolted to the bottom of the connecting ear (5). The inner side of the connecting ear (5) is rotatably connected to the axis of the support roller (6). The fixing components are provided in four parts. The fixing components include a transmission frame (10), a hinge rod (11) and a fixing block (12). There are two transmission frames (10), two hinge rods (11) and two fixing blocks (12). The transmission frame (10) is hinged to the hinge rod (11), and the bottom end of the hinge rod (11) is hinged to the top of the fixing block (12). Adjustment mechanism, the adjustment mechanism is connected to the connecting frame (3); The lifting mechanism has four parts and is connected to the transmission frame (10).

2. The adjustable welding roller frame according to claim 1, characterized in that, The lifting mechanism includes an electric push cylinder (7), a connecting block (8), and a transmission rod (9). The output end of the electric push cylinder (7) is bolted to the bottom of the connecting block (8). There are two transmission rods (9). The bottom ends of the two transmission rods (9) are hinged to the two ends of the connecting block (8). The transmission rods (9) are hinged to the transmission frame (10).

3. An adjustable welding roller frame according to claim 2, characterized in that, The surface of the electric push cylinder (7) is bolted to the side of the welding seat (4), and the transmission frame (10) is hinged to the welding seat (4).

4. An adjustable welding roller frame according to claim 1, characterized in that, The adjustment mechanism includes a power motor (14) and a double-stitched screw (15). The output end of the power motor (14) is keyed to the left end of the double-stitched screw (15). The two ends of the surface of the double-stitched screw (15) are threaded to the screw holes of the two connecting brackets (3) respectively. The right side of the power motor (14) is bolted to the left side of the base (1). Both ends of the double-stitched screw (15) are rotatably sleeved to the top of the base (1).

5. An adjustable welding roller frame according to claim 1, characterized in that, The bottom of the welding seat (4) is slidably connected to the top of the two slide bars (2), and the surface of the fixing block (12) is slidably connected to the slide sleeve (13), which is bolted to the welding seat (4).

6. An adjustable welding roller frame according to claim 1, characterized in that, The groove at the top of the slide bar (2) is provided with teeth, and the bottom of the fixing block (12) is integrally machined with a toothed strip. The toothed strip of the fixing block (12) corresponds to the teeth of the slide bar (2).

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