CN207723230U - A kind of adjustable straightening mechanism - Google Patents

Abstract

The utility model provides an adjustable straightening mechanism, which comprises a first circular ring and a second circular ring respectively fixedly connected by a first fixed block and a second fixed block. There is a gap, and a plurality of sliding blocks for sliding connection are arranged on the gap, and a driven gear ring is arranged on the outer wall of the second ring, and the driven gear ring and the sliding block are respectively fixedly connected by spacers, and each sliding block is provided with There is a fourth air cylinder, the fourth push rod passes through the sliding block and is connected with a straightening roller in rotation, and the side of the driven gear ring is provided with a driving gear meshed with it. The adjustable straightening mechanism described in the utility model can realize the straightening of the steel pipe through a simple structure, and realize the rotation and linear motion of the steel pipe in the circumferential direction on the basis of relatively stable positioning to realize the straightening of the steel pipe. Straightening, such a matching form ensures the straightening effect without deflection, and the straightening effect is better and the service life is longer.

Description

An adjustable straightening mechanism

technical field

The utility model belongs to the field of seamless steel pipe production equipment, in particular to an adjustable straightening mechanism.

Background technique

In the production and processing of seamless steel pipes, straightening the newly formed steel pipes is an indispensable link in the processing process and a necessary means to ensure the quality of steel pipes for sale. The existing straightening equipment has simple structure and good straightening effect. Poor, there is more space wasted in the process of steel pipe entering, and the straightening efficiency is low, which is not conducive to the straightening work in mass production. In view of this situation, the utility model proposes an adjustable straightening mechanism. Through the design of the straightening mechanism, the straightening of the steel pipe can be realized through a simple structure. Direction rotation plus linear motion to achieve straightening of the steel pipe. This form of cooperation ensures the straightening effect without deflection, and the straightening effect is better, avoiding a large rebound phenomenon, and the stability is higher. Good, the straightening structure is more stable and the service life is longer.

Utility model content

In view of this, the utility model aims to propose an adjustable straightening mechanism. Through the design of the straightening mechanism, the straightening of the steel pipe can be realized through a simple structure. Direction rotation plus linear motion to achieve straightening of the steel pipe. This form of cooperation ensures the straightening effect without deflection, and the straightening effect is better, avoiding a large rebound phenomenon, and the stability is higher. Good, the straightening structure is more stable and the service life is longer.

In order to achieve the above object, the technical solution of the utility model is achieved in that:

An adjustable straightening mechanism, comprising a first ring and a second ring respectively fixedly connected by a first fixing block and a second fixing block, and a gap is left between the first ring and the second ring The gap, the gap is provided with a plurality of sliding blocks slidingly connected with the gap, the outer wall of the second ring is provided with a driven gear ring, and the driven gear ring and the sliding block are respectively passed through pads There are three sliding blocks, which are evenly distributed on the gap, and each of the sliding blocks is equipped with a third cylinder, and the third push rod passes through the sliding block and is connected with a straightening rod. Straight rollers, the side of the driven gear ring is provided with a driving gear meshed with it.

Further, a fourth motor is provided on the base, the output shaft of the fourth motor is rotatably connected to the driving gear, and the axis of the driving gear is parallel to the axis of the second ring.

Further, the axis of the second ring is parallel to the movement direction of the second nut.

Further, a U-shaped block is fixed on the end of the third push rod, and the U-shaped block is connected to the straightening roller through a shaft rotation.

Further, the axis of the straightening roller is parallel to the axis of the second ring.

Further, the support frame is placed in the second ring at an end away from the material receiving plate.

Compared with the prior art, a straightening machine described in the utility model has the following advantages:

(1) A kind of straightening machine described in the utility model can realize the integrated work of positioning, feeding and straightening of the steel pipe through the cooperation of simple structure, the structural stability is strong, and the cooperation of each part is relatively tight. It saves the time required for straightening and ensures a better straightening effect. The structure of the relevant cooperation of each part in the straightening process is novel, breaking the traditional straightening mode, with good stability and long service life of the equipment.

(2) The straightening machine described in the utility model can realize the placement of steel pipes at other positions while one of the positioning mechanisms on it is working by sliding the material receiving plate left and right, saving production time, improve work efficiency, and through the setting of the corresponding structural coordination relationship, at the same time, it can ensure that the steel pipe will not be shifted in the process of sliding left and right, and the stability is good. The end of the steel pipe is positioned, and the sizing and clamping can be conveniently and quickly realized on one side, which improves work efficiency and ensures straightening effect.

(3) A kind of straightening machine described in the utility model, through the design of the straightening mechanism, can realize the straightening of the steel pipe through a simple structure, and realize the rotation of the circumferential direction of the steel pipe on the basis of relatively stable rear positioning Adding linear motion to straighten the steel pipe, this form of cooperation ensures the straightening effect without deflection, and the straightening effect is better, avoiding a large rebound phenomenon, better stability, and straightening The straight structure is more stable and the service life is longer.

Description of drawings

The accompanying drawings constituting a part of the utility model are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 is a schematic diagram of the overall structure of a straightening machine described in an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of a straightening mechanism of a straightening machine described in an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a straightening machine sizing mechanism described in an embodiment of the present invention.

Explanation of reference signs:

1-base; 2-guide rail; 3-third lead screw; 4-slider; 5-fixed seat; 6-second cylinder; 7-second ejector rod; ;10-positioning rod; 11-top plate; 12-guide groove; 13-second motor; 14-second reducer; 15-second screw; 16-guide block; 17-first cylinder; 18-second Nut; 19-side plate; 20-bracket; 21-end positioning block; 22-positioning mechanism; 23-loading plate; 24-slide rail; 25-slider; 901-fixed seat; 902-the fourth motor; 903-driving gear; 904-sliding block; 905-driven gear ring; 906-straightening roller; 907-gap; 908-second ring; 910-the third cylinder; 911-the third ejector rod; 912-the first ring; 913-U-shaped block; 914-shaft; 915-the first fixed block; 916-the second fixed block; 2201-limiting seat; 2202-limit rod; 2203-positioning frame; 2204-bearing; 2205-guide roller; 2206-support frame; The second rotating shaft; 2214-roller; 2215-the first rotating shaft; 2216-guiding seat; 2217-groove.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

In describing the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention. Novel and simplified descriptions do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the utility model. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention through specific situations.

The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As shown in Figure 1, a steel pipe sizing and straightening equipment includes a base 1 and a material receiving plate 23 placed on it and slidingly connected by a sliding mechanism. There are multiple sets of identical positioning mechanisms 22 on the material receiving plate 23. The base 1 is connected to the top plate 11 through the bracket 20, the top plate 11 is provided with a guide groove 12, the guide block 16 that is slidingly connected and matched on the guide groove 12, and the top plate 11 on the side of the guide groove 12 A second motor 13 is provided, the second motor 13 is coaxially connected to the second lead screw 15 through the second reducer 14, the second nut 18 is threadedly connected with the second lead screw 15, and the second nut 18 The side wall is fixedly connected to the guide block 16 through a connecting block, the guide block 16 is provided with a first cylinder 17, and the first push rod of the first cylinder 17 passes through the guide block 16 to connect to the side plate 19, The side plate 19 is provided with an end positioning block 21, and the end of the top plate 11 away from the bracket 20 is connected by a positioning rod 10, and the base 1 in this position is provided with a straightening mechanism 9, and the straightening mechanism 9 is arranged on the base 1 in this position. The side of the straight mechanism 9 away from the material receiving plate 23 is slidably connected with a slide plate 4, the slide plate 4 is provided with a second cylinder 6 through a replaceable fixing seat 5, and the second push rod 7 of the second cylinder 6 passes through The straightening mechanism 9 is slidably connected with it, the second ejector rod 7 is provided with an end tightening block 8, and the straightening mechanism 9 is provided with a support frame 26, and through the cooperation of a simple structure, it can realize The positioning, feeding, and straightening of the steel pipe are integrated, the structure is stable, and the various parts are closely matched, which saves the time required for straightening and ensures a better straightening effect. During the straightening process, the relevant parts of the straightening process cooperate The structure is novel, breaking the traditional straightening mode, the stability is good, and the service life of the equipment is long.

Wherein, the sliding mechanism includes a slide block 25 at the bottom of the material receiving plate 23 and a slide rail 24 that is placed on the base 1 and cooperates with the slide block 25, and a first motor is arranged between the two slide rails 24. 27. The first motor 27 is coaxially connected to the first lead screw through the first reducer, the first nut is screwed to the first lead screw, and the first nut is fixed on the bottom of the material receiving plate 23 .

Wherein, the sliding direction of the first nut and the sliding direction of the second nut 18 are perpendicular to each other, the sliding distance of the first nut is greater than the distance between two adjacent sets of positioning mechanisms 22, and the adjacent two The center line between the positioning mechanisms 22 is parallel to the sliding direction of the second nut 18 .

Wherein, the base 1 is provided with a symmetrical guide rail 2, the slide plate 4 is slidably connected with the guide rail 2, a third motor is provided between the two guide rails 2, and the third motor is decelerated by a third The device is connected with the third lead screw 3 coaxially, the bottom of the slide plate 4 is connected with the third nut on the third lead screw 3 , and the sliding direction of the slide plate 4 is parallel to the movement direction of the second nut 18 .

Wherein, the end of the support frame 26 is provided with an arc-shaped groove, and the height from the support frame 26 to the base 1 is lower than the minimum distance from the edge of the tightening block 8 at the end to the base 1 .

Wherein, the positioning mechanism 22 includes a plurality of guide rollers 2205 that are rotationally connected by a positioning frame 2203, and a symmetrical support frame 2206 is arranged at a position between the plurality of guide rollers 2205, and the support frame 2206 is rotated by a rotating shaft 2207. Connect the rotating rod 2208, the two rotating rods 2208 are arranged in a V-shaped mirror image, the two rotating rods 2208 are connected to the telescopic rod 2211, and the spring 2210 is also connected in rotation, the ends of the two rotating rods 2208 A guide seat 2216 is rotatably connected, and the guide seat 2216 has a groove 2217, and a plurality of uniformly distributed rollers 2214 are connected in the groove 2217 through a first rotating shaft 2215. The two guide seats 2216 The groove 2217 is mirrored, the distance between the two guide seats 2216 is greater than the width of the guide roller 2205 and placed above the guide roller 2205, and a plurality of the guide rollers 2205 are arranged near one end of the bracket 20 Limit seat 2201, the limit seat 2201 is provided with a retractable limit rod 2202, the height of the end of the limit rod 2202 is greater than the height of the guide roller 2205, through the left and right of the material receiving plate 23 Sliding can realize that when one of the positioning mechanisms 22 is working on it, it can also complete the placement of steel pipes in other positions, saving production time and improving work efficiency. During the sliding process, the steel pipe will not be shifted, and the stability is good. The setting of the limit rod 2202 can realize the positioning of the ends of steel pipes with different diameters. Guaranteed straightening effect.

Wherein, the positioning frame 2203 and the guide roller 2205 are rotationally connected by a bearing 2204, the axis of the bearing 2204 is perpendicular to the moving direction of the second nut 18, and the telescopic rod 2211 is connected to the two rotating shafts. The rods 2208 are rotatably connected by a pin shaft 2209, and the spring 2210 and the rotating rod 2208 are also rotatably connected by the pin shaft 2209, the axis of the pin shaft 2209 is parallel to the axis of the rotating shaft 2207, The axis of the rotating shaft 2207 is perpendicular to the axis of the guide roller 2205, the maximum expansion and contraction of the spring 2210 is less than the maximum expansion and contraction distance of the telescopic rod 2211, the rotation rod 2208 and the guide seat 2216 pass through the first The two rotating shafts 2213 are rotationally connected, the axis of the second rotating shaft 2213 is parallel to the axis of the rotating shaft 2207 , and the axis of the first rotating shaft 2215 is parallel to the axis of the rotating shaft 2207 .

Wherein, the straightening mechanism 9 includes a first ring 912 and a second ring 908 fixedly connected by a first fixing block 915 and a second fixing block 916 respectively, and the first ring 912 and the second ring A gap 907 is left between the rings 908, and a plurality of sliding blocks 904 slidingly connected with the gap 907 are arranged on the gap 907, and a driven gear ring 905 is arranged on the outer wall of the second ring 908, and the driven gear ring 905 is arranged on the outer wall of the second ring 908. The gear ring 905 and the sliding block 904 are respectively fixedly connected by pads 909, and there are three sliding blocks 904, which are evenly distributed on the gap 907, and each of the sliding blocks 904 is provided with The third cylinder 910, the third push rod 911 passes through the sliding block 904 and is connected to the straightening roller 906 in rotation, and the side of the driven gear ring 905 is provided with a driving gear 903 meshing with it, through the design of the straightening mechanism 9 , the straightening of the steel pipe can be realized through a simple structure. On the basis of a relatively stable rear positioning, the rotation of the steel pipe in the circumferential direction and the linear motion can be realized to achieve the straightening of the steel pipe. This form of cooperation ensures the straightening effect , there will be no deflection, and the straightening effect is better, avoiding a large springback phenomenon, the stability is better, the straightening structure is more stable, and the service life is longer.

Wherein, the base 1 is provided with a fourth motor 902 through a fixed seat 901, the output shaft of the fourth motor 902 is rotatably connected to the driving gear 903, and the axis of the driving gear 903 is connected to the second ring 908. The axis of the second ring 908 is parallel to the movement direction of the second nut 18 , the end of the third push rod 911 is fixed with a U-shaped block 913 , and the U-shaped block 913 passes through the shaft 914 The straightening roller 906 is rotationally connected, the axis of the straightening roller 906 is parallel to the axis of the second ring 908, and the support frame 26 is placed in the second ring 908 away from the receiving plate 23 at one end.

Specific implementation of the utility model: when in use, place a steel pipe on the material bearing plate 23, the end of the steel pipe is positioned by the limit rod 2202, the middle part presses down the V-shaped rotating rod 2208, and the roller is adjusted during this process The angle of 2214 realizes the clamping and guiding of steel pipes of different diameters, ensures better results and does not deviate during left and right movements, and then places the positioning mechanism 22 equipped with steel pipes through the left and right movements of the material receiving plate 23 The center is aligned with the straightening mechanism 9, and the other positioning mechanisms 22 can continue to clamp the steel pipe while working on other tasks, which is convenient for subsequent direct positioning and straightening, saving time. At the same time, the first cylinder 17 driven The first push rod 16 moves downwards, driving the end clamping block 8 downward until it is placed directly in front of the steel pipe, and the axes coincide. The slide plate 4 on the other side drives the second cylinder 6 to move forward, and the second push rod 7 Through the straightening mechanism 9, it is placed on the edge of the other end of the steel pipe, and the axes coincide. The second nut 18 drives the first cylinder 17 to move, and the two sides realize the clamping of the two ends. The design of the two conical structures can adapt to Different diameters require a wide range of applications. After clamping, continue to move forward, adjust the position of each straightening roller 906 according to the diameter of the steel pipe, adjust the axis position, and the circumference diameter, and the driving gear 903 rotates to drive the driven gear. The gear ring 905 rotates, which in turn drives the straightening roller 906 to move in a circular motion, so as to achieve simultaneous rotation in the state of linear motion, and realize straightening while both sides are clamped, with strong stability and good straightening effect until straightening After finishing, first air cylinder 17 returns, and the steel pipe of end falls on the support frame 26, takes out then and gets final product, continues straightening after resetting.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (6)

1. An adjustable straightening mechanism, characterized in that: comprising a first ring and a second ring fixedly connected respectively by a first fixed block and a second fixed block, the first ring and the second A gap is left between the rings, and a plurality of sliding blocks slidingly connected with the gap are arranged on the gap, and a driven gear ring is arranged on the outer wall of the second ring, and the driven gear ring and the sliding The blocks are fixedly connected by pads respectively, and there are three sliding blocks, which are evenly distributed on the gap, and each of the sliding blocks is provided with a third cylinder, and the third push rod passes through the gap. The sliding block is rotatably connected with a straightening roller, and the side of the driven gear ring is provided with a driving gear engaged with it. 2. An adjustable straightening mechanism according to claim 1, characterized in that: a fourth motor is arranged on the base, the output shaft of the fourth motor is rotatably connected to the driving gear, and the axis of the driving gear parallel to the axis of the second ring. 3. The adjustable straightening mechanism according to claim 2, wherein the axis of the second ring is parallel to the moving direction of the second nut. 4. An adjustable straightening mechanism according to claim 3, characterized in that: a U-shaped block is fixed at the end of the third push rod, and the U-shaped block is connected to the straightening roller through shaft rotation. 5. An adjustable straightening mechanism according to claim 4, characterized in that: the axis of the straightening roller is parallel to the axis of the second ring. 6. An adjustable straightening mechanism according to claim 5, characterized in that: the support frame is placed in the second ring at an end away from the receiving plate.