Long shaft straightening tool

Abstract

The utility model relates to a long shaft straightening tool which comprises a base, two parallel guide rails are installed on the upper surface of the base in the length direction of the base, a supporting frame is installed on the upper sides of the two guide rails in a sliding mode, a first hydraulic cylinder is installed on the upper surface of the supporting frame, and a lifting plate is installed at the telescopic end of the first hydraulic cylinder. A pressing block is mounted on the lower surface of the lifting plate; a U-shaped plate is mounted on the lower surface of the lifting plate, the bottom of the U-shaped plate is higher than the bottom of the pressing block, a mounting plate is mounted on the inner side of the U-shaped plate through a lifting mechanism, and a driving wheel is mounted on the outer surface of the mounting plate through a driving mechanism. A mechanism for driving the long shaft to rotate is arranged above the base, so that the length of the whole device is reduced, convenience is brought to actual operation and layout, and the U-shaped plate and the pressing block are installed below the lifting plate and share one supporting frame, so that the simplicity of the device can be improved, and the position of the pressing block can be adjusted at will conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to long shaft processing technical field, concretely is a long shaft straightening frock. BACKGROUND

[0002] Long shaft piece usually refers to the shaft type spare part of obvious length more than its diameter in mechanical device, and this spare part is used for transmitting moment of force and rotation movement, and bears important functions such as support, transmission during mechanical operation, and is often used in the occasion needing to resist wear, distortion and vibration. In the long shaft straightening process, the operator utilizes the pressure head to exert pressure on the long shaft to straighten according to the display of different measuring points of the dial gauge.

[0003] The long shaft needs to be rotated when straightening, and the existing long shaft straightening frock is generally provided with a three-jaw chuck for fixing the long shaft at the end, and then a driving motor is used to drive the three-jaw chuck to rotate, so as to achieve the purpose of driving the long shaft to rotate. However, this way increases the overall length of the device, which brings certain inconvenience to actual operation and layout. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a long shaft straightening frock with simple structure to solve the problems in the above background technology.

[0005] To achieve the above purpose, the technical scheme of the utility model is as follows.

[0006] A long shaft straightening frock, comprising a base, two parallel guide rails are installed on the upper surface of the base along the length direction, a support frame is slidably installed on the upper side of the two guide rails, a first hydraulic cylinder is installed on the upper surface of the support frame, a lifting plate is installed on the end of the extension end of the first hydraulic cylinder, and a pressing block is installed on the lower surface of the lifting plate. A U-shaped plate is installed on the lower surface of the lifting plate, and the bottom of the U-shaped plate is higher than the bottom of the pressing block, a mounting plate is installed on the inner side of the U-shaped plate through a lifting mechanism, and a driving wheel is installed on the outer surface of the mounting plate through a driving mechanism. A run-out detection frame is slidably installed on both sides of the support frame on the surface of the two guide rails, a sliding seat is slidably installed on both sides of the support frame on the upper surface of the base, a second hydraulic cylinder is installed on the upper surface of the sliding seat, a supporting plate is installed on the end of the extension end of the second hydraulic cylinder, and a V-shaped block is arranged on both sides of the support frame on the upper surface of the two guide rails.

[0007] Therefore, by pressing the driving wheel on the surface of the long shaft, the friction between the two is utilized, so that the long shaft can be rotated under the driving of the driving mechanism, the mechanism for driving the long shaft is arranged above the base, thereby reducing the length of the whole device, facilitating actual operation and layout, and the U-shaped plate and the pressing block are both installed below the lifting plate, so that they share a support frame, thereby improving the simplicity of the device, facilitating the adjustment of the position of the pressing block, and the height of the driving wheel can be adjusted through the lifting mechanism, so that the driving wheel and the pressing block are in contact with the long shaft respectively.

[0008] Further, the lifting mechanism comprises a fixing plate installed in the U-shaped plate, a screw rod penetrating through the inside of the fixing plate and being threadedly connected, and the bottom of the screw rod is rotatably connected with the upper surface of the mounting plate, the two side inner walls of the U-shaped plate are both provided with a sliding groove, and the two side outer surfaces of the mounting plate are both provided with a sliding block.

[0009] Further, the driving mechanism comprises a motor installed on one side outer surface of the mounting plate, the end of the motor output shaft penetrates through the other side of the mounting plate and is provided with a first belt pulley, a rotating shaft is rotatably installed on the other side outer surface of the mounting plate, and the driving wheel is installed on the end of the rotating shaft, a second belt pulley is installed on the outer surface of the rotating shaft, and the transmission belt is jointly meshed on the first belt pulley and the second belt pulley.

[0010] Further, the two sides of the lower surface of the V-shaped block are both provided with a positioning block, and the two positioning blocks are matched with the two guide rails.

[0011] Further, the driving wheel is made of rubber.

[0012] Further, the top of the screw rod is provided with a hand wheel.

[0013] Compared with the prior art, the utility model has the advantages of the following.

[0014] 1. The utility model discloses a driving wheel is pressed on the surface of the long shaft, utilizes the friction between the two, so that the long shaft can be rotated under the driving of the driving mechanism, the mechanism for driving the long shaft is arranged above the base, thereby reducing the length of the whole device, facilitating actual operation and layout, and the U-shaped plate and the pressing block are both installed below the lifting plate, so that they share a support frame, thereby improving the simplicity of the device, facilitating the adjustment of the position of the pressing block.

[0015] 2. When the rotating screw rod, the two sides of the mounting plate are limited, so that the mounting plate can be lifted under the driving of the threaded connection, and the driving wheel can be lifted, so that the driving wheel and the pressing block are in contact with the long shaft respectively. DRAWINGS

[0016] Figure 1 is a schematic view of a three-dimensional structure of the utility model;

[0017] Figure 2 is a schematic view of a partial structure of the utility model;

[0018] Figure 3 is a schematic view of a structure of a support frame in the utility model;

[0019] Figure 4 is a schematic view of a structure of a driving mechanism in the utility model.

[0020] In the drawing: 100, base; 101, guide rail; 102, support frame; 103, first hydraulic cylinder; 104, lifting plate; 105, pressing block; 106, U-shaped plate; 107, mounting plate; 108, driving wheel; 109, bounce detection frame; 110, sliding seat; 111, second hydraulic cylinder; 112, supporting plate; 113, V-shaped block; 200, lifting mechanism; 201, fixed plate; 202, screw rod; 300, driving mechanism; 301, motor; 302, first belt pulley; 303, rotating shaft; 304, second belt pulley; 305, transmission belt; 400, positioning block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] In the description of the embodiments of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connection", "installation" should be understood broadly, for example, "connection" can be detachable connection, or can be non-detachable connection; can be direct connection, or indirect connection through intermediate medium. In addition, "communication" can be direct communication, or indirect communication through intermediate medium. Among them, "fixing" means connecting with each other and the relative position relationship after connection does not change. The orientation language mentioned in the embodiments of the utility model, for example, "inner", "outer", "top", "bottom" and the like, is only the direction of the drawing, therefore, the orientation language used is for better, clearer illustration and understanding of the embodiments of the utility model, and is not indicative or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the embodiments of the utility model.

[0023] In the embodiments of the present application, the terms "first" and "second" are used only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features.

[0024] As shown in Figures 1-4 A long shaft straightening tool, comprising a base 100, two parallel guide rails 101 are installed on the upper surface of the base 100 along the length direction, a support frame 102 is slidingly installed on the upper side of the two guide rails 101, a first hydraulic cylinder 103 is installed on the upper surface of the support frame 102, a lifting plate 104 is installed on the end of the first hydraulic cylinder 103, and a pressing block 105 is installed on the lower surface of the lifting plate 104. A U-shaped plate 106 is installed on the lower surface of the lifting plate 104, and the bottom of the U-shaped plate 106 is higher than the bottom of the pressing block 105, an installation plate 107 is installed on the inner side of the U-shaped plate 106 through a lifting mechanism 200, and a driving wheel 108 is installed on the outer surface of the installation plate 107 through a driving mechanism 300. Two jump detection frames 109 are slidingly installed on the two sides of the support frame 102, a sliding seat 110 is slidingly installed on the upper surface of the base 100 on the two sides of the support frame 102, a second hydraulic cylinder 111 is installed on the upper surface of the sliding seat 110, a supporting plate 112 is installed on the end of the second hydraulic cylinder 111, and V-shaped blocks 113 are arranged on the upper surface of the two guide rails 101 on the two sides of the support frame 102.

[0025] In use, first place the long shaft on the two jump detection frames 109, then lower the lifting plate 104 to the appropriate height by the first hydraulic cylinder 103, then lower the driving wheel 108 by the lifting mechanism 200 until it abuts against the outer surface of the long shaft, then drive the driving wheel 108 to rotate by the driving mechanism 300, and use the friction between the driving wheel 108 and the long shaft to drive the long shaft to rotate, and use the dial indicator to detect the rotation of the long shaft, then raise the lifting plate 104 by the first hydraulic cylinder 103, and raise the driving wheel 108 to the upper side of the bottom of the pressing block 105 by the lifting mechanism 200, raise the supporting plate 112 by the second hydraulic cylinder 111, then place the V-shaped blocks 113 on the guide rails 101 by the staff, lower the supporting plate 112 by the second hydraulic cylinder 111 to place the long shaft on the V-shaped blocks 113, then move the pressing block 105 to the position to be straightened, then lower the pressing block 105 by the first hydraulic cylinder 103 and press it on the long shaft to straighten it, then use the driving wheel 108 to drive the long shaft to rotate again and detect it, if the requirement is met, the straightening is completed, otherwise, the above steps are repeated until the requirement is met.

[0026] Specifically, the lifting mechanism 200 comprises a fixed plate 201 mounted inside the U-shaped plate 106, a screw rod 202 is threaded connected through the inside of the fixed plate 201, and the bottom of the screw rod 202 is rotatably connected to the upper surface of the mounting plate 107. The two side inner walls of the U-shaped plate 106 are provided with sliding grooves, and the two side outer surfaces of the mounting plate 107 are provided with sliding blocks which are arranged in the sliding grooves. When the screw rod 202 is rotated, the two sides of the mounting plate 107 are limited, and the mounting plate 107 can be lifted under the driving of the threaded connection, so as to achieve the purpose of adjusting the height of the driving wheel 108. When it is needed to drive the long shaft to rotate, the driving wheel 108 can be lowered to the lowest position, and at this time, the bottom of the driving wheel 108 is below the bottom of the pressing block 105, so that the pressing block 105 does not contact the long shaft when the driving wheel 108 contacts the long shaft. When it is needed to straighten the long shaft, the driving wheel 108 is moved to the upper position, so that the bottom of the pressing block 105 is at the lowest position, and the driving wheel 108 does not contact the long shaft when the pressing block 105 contacts the long shaft.

[0027] Specifically, the driving mechanism 300 comprises a motor 301 mounted on one side outer surface of the mounting plate 107, a first belt pulley 302 is arranged at the end of the output shaft of the motor 301 and penetrates through the other side of the mounting plate 107, a rotating shaft 303 is rotatably arranged on the other side outer surface of the mounting plate 107, and the driving wheel 108 is arranged at the end of the rotating shaft 303. A second belt pulley 304 is arranged on the outer surface of the rotating shaft 303, and the second belt pulley 304 and the first belt pulley 302 are jointly meshed with a transmission belt 305. When the motor 301 is started, the output shaft drives the first belt pulley 302 to rotate, and the transmission belt 305 drives the rotating shaft 303 to rotate, so as to drive the driving wheel 108 to rotate.

[0028] Specifically, the two sides of the lower surface of the V-shaped block 113 are provided with positioning blocks 400 which are matched with the two guide rails 101. Through the arrangement of the positioning blocks 400, the arrangement of the V-shaped block 113 can be positioned, and it is ensured that the two V-shaped blocks 113 can be on the same center line.

[0029] Specifically, the driving wheel 108 is made of rubber material, which can not only improve the friction but also avoid the situation of pressing the surface of the long shaft.

[0030] Specifically, the top of the screw rod 202 is provided with a hand wheel, which is convenient for driving the screw rod 202 to rotate and adjusting the height of the driving wheel 108.

[0031] The above is a detailed description of the utility model in combination with specific embodiments, which cannot be deemed as limiting the specific implementation of the utility model to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, some equivalent substitutions or obvious modifications can be made without departing from the concept of the utility model, and the performance or use is the same, which should be regarded as belonging to the patent protection range determined by the submitted claims of the utility model.

Claims

1. A long axis straightening tool, comprising a base (100), characterized in that: the upper surface of the base (100) is provided with two parallel guide rails (101) along the length direction, the upper side of the two guide rails (101) is slidingly provided with a support frame (102), the upper surface of the support frame (102) is provided with a first hydraulic cylinder (103), the end of the telescopic end of the first hydraulic cylinder (103) is provided with a lifting plate (104), the lower surface of the lifting plate (104) is provided with a pressing block (105); the lower surface of the lifting plate (104) is provided with a U-shaped plate (106), and the bottom of the U-shaped plate (106) is higher than the bottom of the pressing block (105), the inner side of the U-shaped plate (106) is provided with a mounting plate (107) through a lifting mechanism (200), the outer surface of the mounting plate (107) is provided with a driving wheel (108) through a driving mechanism (300); the surface of the two guide rails (101) on both sides of the support frame (102) is slidingly provided with a runout detection frame (109), the upper surface of the base (100) on both sides of the support frame (102) is slidingly provided with a sliding seat (110), the upper surface of the sliding seat (110) is provided with a second hydraulic cylinder (111), the end of the telescopic end of the second hydraulic cylinder (111) is provided with a supporting plate (112), and the upper surface of the two guide rails (101) on both sides of the support frame (102) is provided with a V-shaped block (113).

2. The long axis straightening tool according to claim 1, characterized in that: the lifting mechanism (200) comprises a fixed plate (201) mounted in the inner side of the U-shaped plate (106), a screw rod (202) penetrating through the inner side of the fixed plate (201) and being threadedly connected, the bottom of the screw rod (202) is rotatably connected with the upper surface of the mounting plate (107), the inner walls of the two sides of the U-shaped plate (106) are both provided with a sliding groove, the outer surfaces of the two sides of the mounting plate (107) are both provided with a sliding block, and the sliding block is arranged in the sliding groove.

3. The long axis straightening tool according to claim 1, characterized in that: the driving mechanism (300) comprises a motor (301) mounted on the outer surface of one side of the mounting plate (107), the end of the output shaft of the motor (301) penetrates through the other side of the mounting plate (107) and is provided with a first belt pulley (302), a rotating shaft (303) is rotatably mounted on the outer surface of the other side of the mounting plate (107), the driving wheel (108) is mounted on the end of the rotating shaft (303), a second belt pulley (304) is mounted on the outer surface of the rotating shaft (303), and the second belt pulley (304) and the first belt pulley (302) are jointly meshed with a transmission belt (305).

4. The long axis straightening tool according to claim 1, characterized in that: ​ ​ ​ ​ ​ The lower surface of the V-shaped block (113) is provided with positioning blocks (400) on both sides, and the two positioning blocks (400) are matched with the two guide rails (101).

5. The long shaft straightening tool according to claim 1, characterized in that: The driving wheel (108) is made of rubber.

6. The long shaft straightening tool according to claim 2, characterized in that: The top of the screw rod (202) is provided with a hand wheel.

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