Fixed electric roller carrier

Abstract

The utility model relates to a fixed electric roller carrier which comprises a hollow base and a roller carrier body, two lead screws are arranged on the inner side of the hollow base, the lead screws are arranged in the length direction of the hollow base, the two ends of a coupler are connected with the ends, close to each other, of the two lead screws respectively, and the lead screws are rotated clockwise or anticlockwise. The bottom ends of the roller mechanisms are in threaded connection with the two ends of the lead screws respectively, due to the fact that the threads of the two lead screws are opposite, the two roller mechanisms are close to or far away from each other, the coupling is arranged in the hollow base, the lead screws are rotated to generate thread displacement so that the two roller mechanisms can be close to or far away from each other, and the two roller mechanisms are accurately aligned. Synchronous movement of the two roller carriers on the horizontal line is ensured, and the system structure is simpler.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of roller frame, especially fixed electric roller frame. BACKGROUND

[0002] The existing fixed roller frame includes a roller frame, a hollow base, two lead screws and a motor, the two lead screws are symmetrically arranged on the hollow base, the threads of the two lead screws are opposite and the inner end portions are provided with bevel gears, the output end of the motor is fixed with a bevel gear which is engaged with the bevel gears of the two lead screws, the roller frame is brought together or away from each other by the rotation of the two lead screws driven by the motor through the transmission of the bevel gears to automatically adjust the distance between the rollers according to the size of the cylinder, since the two lead screws with opposite threads are arranged to drive the roller frame to come together or away from each other, the mutual engagement of the bevel gears is required to control the movement of the two lead screws, the alignment of the two lead screws cannot be guaranteed, and the complexity of the system is increased.

[0003] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present disclosure, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model discloses a fixed electric roller frame to solve the problem that an additional bevel gear is required to control the movement of the two lead screws, the alignment of the two lead screws cannot be guaranteed, and the complexity of the system is increased.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] The fixed electric roller frame comprises:

[0007] The hollow base is fixed to the ground at the bottom end, the two lead screws are symmetrically arranged at the left and right ends of the inner side of the hollow base, and are arranged along the length direction of the hollow base, a shaft coupling is arranged on the inner side of the hollow base, and the two ends of the shaft coupling are connected to the ends of the two lead screws which are close to each other, and the threads of the two lead screws are opposite.

[0008] The roller frame comprises two roller mechanisms, the two roller mechanisms are symmetrically arranged on the two sides of the top end of the hollow base and slide along the length direction of the hollow base, the two roller mechanisms are threadedly connected to the outer sides of the lead screws, and the lead screws are rotated clockwise or counterclockwise, and the two roller mechanisms are close to or away from each other.

[0009] Further, the screw rod outside thread is sleeved with a moving block, two roller mechanisms are connected to the moving block, the roller mechanism comprises a fixed block, the bottom of the roller mechanism is connected to the fixed block, and the top end of the moving block penetrates and is fixedly connected to the fixed block.

[0010] Further, the top of the hollow base is provided with a first guide rail along the length direction of the hollow base, and the first guide rail is connected to the bottom end of the roller mechanism.

[0011] Further, two second guide rails are arranged on the two sides of the top of the hollow base, the second guide rails are arranged along the length direction of the hollow base, the bottom of the two sides of the roller mechanism is respectively connected with two sliding blocks, the outer sides of the two second guide rails are respectively connected into the two sliding blocks, and the two sliding blocks are slidingly connected to the two second guide rails.

[0012] Further, the first motor is fixedly connected to the outside of the hollow base, and the output end of the first motor is connected to one end of the screw rod outside the hollow base.

[0013] Further, the bottom end of the hollow base is provided with a support base, and the bottom of the support base is fixed to the ground.

[0014] Further, the fixed electric roller frame comprises two hollow bases and two roller frames, and the two hollow bases are fixed to the ground at intervals.

[0015] Further, the two roller frames are respectively a driving roller frame and a driven roller frame, the driving roller frame further comprises two second motors, the two second motors are respectively fixed to the outer sides of the two roller mechanisms of the driving roller frame, the output end of the second motor is connected to the roller of the roller mechanism, and the second motor drives the roller of the roller mechanism to rotate.

[0016] Further, the fixed electric roller frame further comprises a flux bracket, the flux bracket is arranged on the ground in the front-rear direction, the flux bracket is located between the two roller mechanisms of the roller frame and at the top end of the two roller frames.

[0017] Further, the two ends of the flux bracket are respectively provided with two hydraulic rods, the piston rod of the hydraulic rod is connected to the bottom end of the flux bracket, and the bottom end of the hydraulic rod is provided with a plurality of supporting legs.

[0018] The beneficial effects of the embodiment of the utility model are as follows:

[0019] (1) The fixed electric roller frame comprises a hollow base and a roller frame, two lead screws are arranged on the inner side of the hollow base and are arranged along the length direction of the hollow base, the two lead screws are connected by a shaft coupling, and the two ends of the lead screws are respectively connected to one end of the two lead screws; the bottom end of the roller mechanism is respectively screwed to the two ends of the lead screw; since the threads of the two lead screws are opposite, the two roller mechanisms are close to or away from each other; the shaft coupling is arranged in the hollow base; the rotation of the lead screw generates thread displacement, so that the two roller mechanisms are close to or away from each other; the two roller mechanisms are accurately aligned; the synchronous movement of the two roller frames on the horizontal line is ensured; and the system structure is simpler.

[0020] (2) Further, a first guide rail is arranged on the inner side of the top of the hollow base along the length direction of the hollow base; the bottom end of the roller mechanism is clamped to the first guide rail; the roller mechanism can slide along the specified track, so that instability or error in the sliding process is avoided, and in particular, the first guide rail can keep stable operation during the process that the two roller mechanisms are close to or away from each other.

[0021] (3) Further, the fixed electric roller frame comprises two hollow bases and two roller frames; the two hollow bases are fixed on the ground in a transverse and spaced manner; and the two roller frames are respectively and slidably connected to the two hollow bases. For example, the two roller frames are respectively a driving roller frame and a driven roller frame; the two roller mechanisms of the driving roller frame are provided with a second motor; the second motor drives the rollers of the roller mechanism to rotate; through the cooperation of the driving roller frame and the driven roller frame, the distance between the rollers is adjusted together, and the workpiece is supported; the driving roller frame is provided with the second motor, so that the driving ability of the driving roller frame and the following function of the driven roller frame are combined; an operator can more easily control and move a large or heavy cylinder; the cylinder can be rotated to enable a welding gun to face the inner longitudinal seam or perform welding of the girth seam; the labor cost is reduced; and the safety of the welding operation is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a horizontal cross-sectional structure schematic view of the first embodiment of the utility model.

[0023] Figure 2 It is a longitudinal cross-sectional structure schematic view of the first embodiment of the utility model.

[0024] Figure 3 It is a front view structure schematic view of the second embodiment of the utility model.

[0025] Figure 4 It is a top view structure schematic view of the second embodiment of the utility model.

[0026] Figure 5The second embodiment of the utility model is a side view structure schematic diagram.

[0027] In the drawing,

[0028] 1, hollow base; 2, shaft coupling; 3, screw rod; 4, roller mechanism; 5, moving block; 6, fixed block; 7, first guide rail; 8, second guide rail; 9, sliding block; 10, first motor; 11, support base; 12, driving roller frame; 13, driven roller frame; 14, second motor; 15, flux holder; 16, hydraulic rod; 17, supporting leg. DETAILED DESCRIPTION

[0029] The specific embodiments of the utility model will be described below in conjunction with the drawings.

[0030] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the device proposed by the utility model will be further described in detail below in conjunction with the drawings and specific embodiments. According to the following description, the advantages and features of the utility model will be more clear. It should be noted that the drawings are very simplified and all use non-precise proportions, and are only used to facilitate and clarify the purpose of assisting the description of the embodiments of the utility model. In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, please refer to the drawings. It should be known that the structures, proportions, sizes, etc. shown in the drawings attached to the specification are only used to cooperate with the content disclosed in the specification, so that people skilled in the art can understand and read, and are not used to limit the limiting conditions of the implementation of the utility model, so they do not have the technical essence, any modification of the structure, change of the proportion relationship or adjustment of the size, as long as it does not affect the effect and purpose that the utility model can produce, it should still fall within the scope of the technical content disclosed by the utility model.

[0031] First embodiment:

[0032] The embodiment discloses a fixed electric roller frame.

[0033] Figure 1 The first embodiment of the utility model is a transverse structure schematic diagram. Figure 2 The first embodiment of the utility model is a longitudinal structure schematic diagram. Figures 1-2As shown, the fixed electric roller frame includes a hollow base 1 and a roller frame, the bottom end of the hollow base 1 is fixed on the ground, two lead screws 3 are symmetrically arranged at the left and right ends of the inside of the hollow base 1, and are arranged along the length direction of the hollow base 1, the inside of the hollow base 1 is provided with a shaft coupling 2, the two ends of the shaft coupling 2 are respectively connected to one end of the two lead screws 3 close to each other, the threads of the two lead screws 3 are opposite, the roller frame includes two roller mechanisms 4, the two roller mechanisms 4 are symmetrically arranged at the two sides of the top end of the hollow base 1 and slide along the length direction of the hollow base 1, the two roller mechanisms 4 are threadedly connected to the outside of the lead screw 3, and the lead screw 3 is rotated clockwise or counterclockwise, and the two roller mechanisms 4 are close to or away from each other. Illustratively, the outside of the lead screw 3 is threadedly sleeved with a moving block 5, and the two roller mechanisms 4 are connected to the moving block 5, the roller mechanism 4 includes a fixed block 6, the bottom of the roller mechanism 4 is connected to the fixed block 6, and the top end of the moving block 5 penetrates and fixedly connects the fixed block 6.

[0034] As shown in Figures 1-2 Further, the top of the hollow base 1 is provided with a first guide rail 7 along the length direction of the hollow base 1, and the bottom end of the roller mechanism 4 is clamped to the first guide rail 7. The roller mechanism 4 can slide along the track defined by the first guide rail 7, thereby avoiding instability or error during sliding, especially during the process of the two roller mechanisms 4 approaching or moving away from each other, the first guide rail 7 can keep its stable operation.

[0035] As shown in Figure 2 Further, the top of the hollow base 1 is provided with two second guide rails 8 on the two sides respectively, the second guide rails 8 are arranged along the length direction of the hollow base 1, the bottom of the roller mechanism 4 on the two sides is respectively connected with two sliding blocks 9, the outside of the two second guide rails 8 is respectively clamped into the two sliding blocks 9, and the two sliding blocks 9 are slidingly connected to the two second guide rails 8, the second guide rail 8 increases the support for the roller mechanism 4, helps it to keep stable during sliding, prevents tilting or imbalance during movement, the second guide rail 8 can improve the overall carrying capacity of the system by sharing the load, especially the support on the two sides of the roller mechanism 4. The weight of the roller mechanism 4 and the external force during operation can be evenly distributed through the second guide rail 8, preventing excessive pressure from concentrating in a certain part, and the second guide rail 8 helps to ensure that the roller mechanism 4 remains parallel to the hollow base 1 during the entire sliding process, avoiding tilting or deviation.

[0036] As shown in Figure 1As shown, further, the outer side of the hollow base 1 is fixedly connected with a first motor 10, the output end of the first motor 10 is connected to one end of the lead screw 3 extending out of the side of the hollow base 1, and the first motor 10 drives the two lead screws 3 to rotate clockwise or counterclockwise, for example, the first motor 10 is an alternating current motor, a stepping motor or a brushless direct current motor, etc., which has a forward and reverse rotation function, and the user can adjust the position of the roller mechanism 4 through the motor driving the lead screw 3 according to the needs, without manual intervention, thereby improving the convenience and efficiency of operation.

[0037] As shown in the drawings, Figure 1 As shown, further, the bottom end of the hollow base 1 is also provided with a support seat 11, the bottom of the support seat 11 is fixed to the ground, and the support seat 11 provides a firm contact point between the hollow base 1 and the ground, avoiding the hollow base 1 from tilting or being unbalanced during operation, and the support seat 11 helps to maintain the horizontal state of the hollow base 1 when the roller mechanism 4 moves the support seat 11, and the support seat 11 is fixedly connected to the ground and supports the hollow base 1, which can effectively improve the rigidity of the entire device and reduce the influence of external interference and vibration on the running accuracy of the device.

[0038] When the embodiment works:

[0039] According to the size of the cylinder, the first motor 10 is started, the first motor 10 drives the lead screw 3 to rotate clockwise or counterclockwise, the moving block 5 generates a threaded displacement, the two fixed blocks 6 are driven to move closer to or away from each other, the distance between the two roller mechanisms 4 is shortened or lengthened, and the cylinder is erected on the two roller mechanisms 4, so that subsequent welding work can be carried out.

[0040] In this embodiment, a lead screw 3 is arranged in the hollow base 1, the bottom threaded holes of the two roller mechanisms 4 are threadedly connected with the lead screw 3, rotating the lead screw 3 generates a threaded displacement, the two roller mechanisms 4 are moved closer to or away from each other, and the two roller mechanisms 4 are accurately aligned, ensuring the synchronous movement of the two roller frames on the horizontal line, and the system structure is simpler.

[0041] Second embodiment:

[0042] Based on the first embodiment, the second embodiment further optimizes and refines the number of roller frames of the first embodiment.

[0043] Figure 3 It is a front view structural schematic diagram of the second embodiment of the utility model. Figure 4 It is a top view structural schematic diagram of the second embodiment of the utility model. Figure 5 It is a side view structural schematic diagram of the second embodiment of the utility model. Figures 3-5As shown, further, the fixed electric roller frame includes two hollow bases 1 and two roller frames, the two hollow bases 1 are fixed on the ground at intervals. As shown, the two roller frames are respectively a driving roller frame 12 and a driven roller frame 13, the driving roller frame 12 further includes two second motors 14, the two second motors 14 are respectively fixed on the outer side of the two roller mechanisms 4 of the driving roller frame 12, the output end of the second motor 14 is connected with the roller of the roller mechanism 4, the second motor 14 drives the roller of the roller mechanism 4 to rotate, through the cooperation of the driving roller frame 12 and the driven roller frame 13, the driving roller frame 12 and the driven roller frame 13 together adjust the distance between the rollers and support the workpiece, the driving roller frame 12 has the second motor 14, so that the driving ability of the driving roller frame 12 and the following function of the driven roller frame 13 are combined, the operator can more easily control and move the large or heavy cylinder, the cylinder can be rotated to make the welding gun face the inner longitudinal seam or perform the welding of the girth seam, the labor cost is reduced and the safety of the welding operation is improved.

[0044] As shown, Figures 3-5 Further, the fixed electric roller frame further includes a flux bracket 15, the flux bracket 15 is erected on the ground along the front and back direction, the flux bracket 15 is located between the two roller mechanisms 4 of the roller frame and at the top end of the two roller frames, through the close contact of the flux bracket 15 with the back of the welding piece, and the supporting force of the flux pad on the entire welding seam length is uniform, the flux is compressed by the self-weight of the cylinder, which is convenient for subsequent welding operation.

[0045] As shown, Figures 3-5 Further, the two ends of the flux bracket 15 are respectively provided with two hydraulic rods 16, the piston rod of the hydraulic rod 16 is connected with the bottom end of the flux bracket 15, the bottom end of the hydraulic rod 16 is further provided with a plurality of supporting legs 17, the bottom end of the plurality of supporting legs 17 contacts the ground and supports the flux bracket 15, through the extension and retraction of the piston rod of the hydraulic rod 16, the height of the flux bracket 15 is adjusted up and down according to the height of the cylinder workpiece, the hydraulic rod 16 provides the height adjustment function of the flux bracket 15, so that the flux bracket 15 can be adjusted according to the specific work requirement or the size of the workpiece, and it is ensured that the use position and height of the flux meet the requirements in the welding process.

[0046] When the embodiment works:

[0047] According to the size of the cylinder, simultaneously start two first motors 10, the first motor 10 drives the screw rod 3 to rotate clockwise or counterclockwise, four moving blocks 5 generate threaded displacement, two fixed blocks 6 of the driving roller frame 12 and two fixed blocks 6 of the driven roller frame 13 simultaneously approach or move away from each other, so that the distance between the two roller mechanisms 4 of the driving roller frame 12 and the distance between the two roller mechanisms 4 of the driven roller frame 13 are simultaneously shortened or lengthened, the cylinder is erected on the upper driving roller frame 12 and the driven roller frame 13, the second motor 14 of the driving roller frame 12 is started, the rollers on the two roller mechanisms 4 of the driving roller frame 12 start to rotate to drive the cylinder to rotate, while the cylinder rotates, the rollers on the two roller mechanisms 4 of the driven roller frame 13 are driven to rotate, and then the hydraulic rod 16 is started, the piston rod of the hydraulic rod 16 is elongated, the flux bracket 15 is lifted, so that the flux bracket 15 abuts against the lower surface of the cylinder, and finally the welding arm of the welding system is inserted into the cylinder for welding operation.

[0048] In this embodiment, the driving roller frame 12 and the driven roller frame 13 are used together to support the workpiece, the driving roller frame 12 has the second motor 14, so that the driving ability of the driving roller frame 12 and the following function of the driven roller frame 13 are combined, and the operator can more easily control and move large or heavy cylinders, and the cylinder can be rotated to enable the welding gun to face the inner longitudinal seam or perform girth seam welding, thereby reducing labor cost and improving the safety of welding operation.

[0049] The technical features of the above-described embodiments can be combined in any manner, and to make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the description.

[0050] The above-described embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A fixed motorized roller stand, characterized in that It includes: The hollow base (1) is fixed to the ground at the bottom end, two lead screws (3) are symmetrically arranged at the left and right ends of the inside of the hollow base (1), and are arranged along the length direction of the hollow base (1), the inside of the hollow base (1) is provided with a shaft coupling (2), the two ends of the shaft coupling (2) are respectively connected to one end of the two lead screws (3) close to each other, and the threads of the two lead screws (3) are opposite; The roller frame includes two roller mechanisms (4), the two roller mechanisms (4) are symmetrically arranged at the two sides of the top end of the hollow base (1) and slide along the length direction of the hollow base (1), the two roller mechanisms (4) are threadedly connected to the outside of the lead screw (3), and the lead screw (3) is rotated clockwise or counterclockwise, and the two roller mechanisms (4) are close to or away from each other.

2. The fixed electrically powered trolley according to claim 1, characterized in that: The outside of the lead screw (3) is threadedly sleeved with a moving block (5), the two roller mechanisms (4) are connected to the moving block (5), the roller mechanism (4) includes a fixed block (6), the bottom of the roller mechanism (4) is connected to the fixed block (6), and the top end of the moving block (5) penetrates and is fixedly connected to the fixed block (6).

3. The fixed electrically powered trolley according to claim 2, characterized in that: The top of the hollow base (1) is provided with a first guide rail (7) along the length direction of the hollow base (1), and the first guide rail (7) is clamped to the bottom end of the roller mechanism (4).

4. The fixed electrically powered trolley according to claim 1, characterized in that: The top of the hollow base (1) is also provided with two second guide rails (8) on the two sides, the second guide rails (8) are arranged along the length direction of the hollow base (1), the bottoms of the two sides of the roller mechanism (4) are respectively connected with two sliding blocks (9), the outside of the two second guide rails (8) is respectively clamped into the two sliding blocks (9), and the two sliding blocks (9) are slidably connected to the two second guide rails (8).

5. The fixed electrically powered trolley according to claim 1, characterized in that: The outside of the hollow base (1) is fixedly connected with a first motor (10), the output end of the first motor (10) is connected to one end of the lead screw (3) protruding from the side of the hollow base (1), and the two lead screws (3) are driven to rotate clockwise or counterclockwise.

6. The fixed electrically powered trolley according to claim 1, characterized in that: The bottom end of the hollow base (1) is also provided with a support seat (11), and the bottom of the support seat (11) is fixed to the ground.

7. The fixed electrically powered trolley according to claim 1, characterized in that: The fixed electric roller frame includes two hollow bases (1) and two roller frames, and the two hollow bases (1) are fixed to the ground with a front-to-back interval.

8. The fixed electrically powered trolley according to claim 7, characterized in that: The two roller frames are respectively a driving roller frame (12) and a driven roller frame (13), the driving roller frame (12) further includes two second motors (14), the two second motors (14) are respectively fixed to the outside of the two roller mechanisms (4) of the driving roller frame (12), the output end of the second motor (14) is connected to the roller of the roller mechanism (4), and the second motor (14) drives the roller of the roller mechanism (4) to rotate.

9. The fixed electrically powered trolley according to claim 7, characterized in that: The fixed electric roller stand further comprises a flux bracket (15) erected on the ground in the front-rear direction, which is located between the two roller mechanisms (4) of the roller stand and at the top ends of the two roller stands.

10. The fixed electrically powered trolley according to claim 9, characterized in that: The bottom ends of the two ends of the flux bracket (15) are further respectively provided with two hydraulic rods (16), the piston rods of the hydraulic rods (16) are connected to the bottom ends of the flux bracket (15), and the bottom ends of the hydraulic rods (16) are further provided with a plurality of supporting legs (17), the bottom ends of the plurality of supporting legs (17) contact the ground and support the flux bracket (15).

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