Improved structure of three-shaft thread rolling machine

Abstract

The utility model discloses an improved structure of a three-shaft thread rolling machine, and relates to the technical field of thread rolling machines. According to the scheme, the thread rolling machine comprises a rack, a power mechanism is installed on one side of the rack, a universal connecting mechanism is installed at the output end of the power mechanism, a feeding mechanism is installed on the other side of the rack, and a thread rolling die matched with the universal connecting mechanism and used for thread rolling is installed at the movable end of the feeding mechanism. According to the modularized thread rolling machine, an existing thread rolling machine which drives three rotating shafts to rotate through a three-phase asynchronous motor and a gearbox at the same time is adjusted into the modularized thread rolling machine which is driven by three driving motors and three speed variators, so that the modularized thread rolling machine has the effects of being low in cost, fast in time efficiency, low in labor intensity and low in technical threshold; in addition, due to modularized equipment and intelligent control, fault points are clearer, the success rate of troubleshooting is higher, the maintenance cost is greatly reduced, and the labor intensity is greatly relieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of thread rolling machine, concretely to three -axis thread rolling machine improvement structure. BACKGROUND

[0002] Three -axis thread rolling machine is the equipment that manufactures self -drilling formula hollow anchor rod equipment commonly used equipment. Its power transmission form is 1 three -phase asynchronous motor as power source, motor drives a gearbox, gearbox matches three same level synchronous output shaft, three output shafts drive three shaft system synchronous rotation, the die on three shaft systems produces the thread on the steel pipe, reaches the purpose of anchor rod forming.

[0003] But the anchor rod of manufacturing large specification (T103 above specification) does not have corresponding equipment, needs to be separately customized. If according to traditional thinking increases and calculates specific working condition, then needs a super - large motor with a huge reducer. The technical requirement of single gear is high, the manufacturing cost increases, and because the reduction box is shared, there are defects such as heavy replacement parts, time -consuming and labor -intensive disassembly and installation. Therefore, a modular three -axis thread rolling machine is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides three -axis thread rolling machine improvement structure, solves the problem proposed in the background art.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: including frame, the side of frame is installed with power mechanism, the output end of power mechanism is installed with universal connecting mechanism, the other side of frame is installed with feed mechanism, the movable end of feed mechanism is installed with the thread rolling die that is matched with universal connecting mechanism and is used for thread rolling;

[0006] The frame includes a bottom plate, the top end of the bottom plate is fixedly connected with a first support and a second support respectively, and the power mechanism and the feed mechanism are fixedly installed on the outer surfaces of the first support and the second support.

[0007] Preferably, the power mechanism includes three drive motors fixedly installed in a regular triangle array on the first support, a speed reducer is fixedly installed on the outer surface of the first support and close to the corresponding drive motor, the output shaft of the drive motor is fixedly connected with the input shaft of the corresponding speed reducer, and the modular drive motor and the speed reducer are used to conveniently drive the corresponding thread rolling die to rotate.

[0008] Preferably, the universal connecting mechanism comprises a first universal joint fixedly connected with the output shaft of the speed reducer, the other end of the first universal joint is fixedly connected with a sleeve, the inside of the sleeve is limitedly and slidably connected with a connecting rod, the other end of the connecting rod is fixedly connected with a second universal joint, the other end of the second universal joint is fixedly connected with one end of the thread rolling die, and the universal connecting mechanism facilitates the rotation of the corresponding thread rolling die and adjusts the position of the thread rolling die.

[0009] Preferably, the feeding mechanism comprises three feeding cylinders fixedly installed in a triangular array on one side of the outer surface of the second support, the movable end of the feeding cylinder is fixedly connected with a mounting frame, and the thread rolling die is rotatably connected in the mounting frame, so that the thread rolling die is conveniently driven to move and feed through the feeding mechanism.

[0010] Preferably, a center hole is formed in the center of the outer surface of the second support, a guide pipe is installed through the center of the outer surface of the first support, and a guide wheel matched with the guide pipe is installed on the outer surface of the first support, so that the workpiece is conveniently guided and conveyed.

[0011] The improved structure of the three-shaft thread rolling machine has the following beneficial effects:

[0012] The rack, power mechanism, universal connecting mechanism, feeding mechanism and thread rolling die are arranged, the existing thread rolling machine driven by one three-phase asynchronous motor and one gearbox to rotate three rotating shafts is adjusted to a modular thread rolling machine driven by three driving motors and three gearboxes, so that the modular thread rolling machine has the effects of low cost, fast time efficiency, low labor intensity and low technical threshold, the modular equipment and intelligent control make the fault points clearer and the troubleshooting success rate higher, and the maintenance cost and labor intensity are greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a schematic view of the overall structure of the utility model;

[0014] Fig. 2 It is a left view of the utility model;

[0015] Fig. 3 It is a front view of the utility model;

[0016] Fig. 4 It is a right view of the utility model.

[0017] In the diagram, 1 is the frame; 11 is the base plate; 12 is the first support; 13 is the second support; 2 is the power mechanism; 21 is the drive motor; 22 is the reducer; 3 is the universal joint mechanism; 31 is the first universal coupling; 32 is the sleeve; 33 is the connecting rod; 4 is the feed mechanism; 41 is the feed cylinder; 42 is the mounting bracket; 5 is the thread rolling die; 6 is the guide tube; and 7 is the guide wheel. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0019] like Figs. 1 to 4 As shown, the improved structural adhesive of the three-axis thread rolling machine includes a frame 1, a power mechanism 2 is installed on one side of the frame 1, a universal joint mechanism 3 is installed at the output end of the power mechanism 2, a feed mechanism 4 is installed on the other side of the frame 1, and a thread rolling die 5 that cooperates with the universal joint mechanism 3 and is used for thread rolling is installed at the movable end of the feed mechanism 4.

[0020] The frame 1 includes a base plate 11, and a first bracket 12 and a second bracket 13 are fixedly connected to the top two sides of the base plate 11, respectively. The power mechanism 2 and the feeding mechanism 4 are fixedly installed on the outer surfaces of the first bracket 12 and the second bracket 13, respectively.

[0021] The power mechanism 2 includes three drive motors 21 fixedly mounted in an equilateral triangular array on the first bracket 12. A reducer 22 is fixedly mounted on the outer surface of the first bracket 12 near the corresponding drive motor 21. The output shaft of the drive motor 21 is fixedly connected to the input shaft of the corresponding reducer 22. The rotation of the drive motor 21 drives the corresponding reducer 22 to rotate, which can drive the corresponding universal joint mechanism 3 to rotate.

[0022] The universal joint mechanism 3 includes a first universal coupling 31 fixedly connected to the output shaft of the reducer 22. The other end of the first universal coupling 31 is fixedly connected to a sleeve 32. The sleeve 32 is internally limited and slidably connected to a connecting rod 33. The other end of the connecting rod 33 is fixedly connected to a second universal coupling. The other end of the second universal coupling is fixedly connected to one end of the thread rolling die 5. The universal joint mechanism 3 can drive the corresponding thread rolling die 5 to rotate. Due to the presence of the sleeve 32 and the connecting rod 33, the universal joint mechanism 3 can extend and retract, and thus can rotate at a certain angle, thereby facilitating thread rolling.

[0023] The feeding mechanism 4 comprises three feeding cylinders 41 fixedly installed in a regular triangle array on one side of the outer surface of the second support 13, the movable end of the feeding cylinder 41 is fixedly connected with a mounting frame 42, the thread rolling die 5 is rotationally connected in the interior of the mounting frame 42, the feeding cylinder 41 can drive the mounting frame 42 and the corresponding thread rolling die 5 to feed, thereby facilitating the thread rolling of the workpiece.

[0024] A central hole is formed in the center of the outer surface of the second support 13, a guide pipe 6 is installed through the center of the outer surface of the first support 12, a guide wheel 7 is installed on the outer surface of the first support 12 and cooperates with the guide pipe 6, thereby facilitating the conveying of the workpiece.

[0025] Working principle: when in use, the workpiece is placed in the central hole and the guide pipe 6, and is clamped by the external clamp, and then the power mechanism 2 and the feeding mechanism 4 are started, the power mechanism 2 drives the corresponding thread rolling die 5 to rotate through the universal connecting mechanism 3, and the feeding mechanism 4 drives the corresponding thread rolling die 5 to move and feed, thereby the thread rolling operation of one end of the workpiece is realized, since the power mechanism 2, the universal connecting mechanism 3 and the feeding mechanism 4 are modularized, the cost is low, the time is efficient, the labor intensity is low, and the technical threshold is low. Moreover, the modularized equipment and intelligent control have clearer fault points, higher troubleshooting success rate, and greatly improved maintenance cost and labor intensity.

Claims

1. An improved structure of three-axis thread rolling machine comprising a frame (1), characterized in that: One side of the frame (1) is provided with a power mechanism (2), the output end of the power mechanism (2) is provided with a universal connecting mechanism (3), the other side of the frame (1) is provided with a feeding mechanism (4), the movable end of the feeding mechanism (4) is provided with a thread rolling die (5) matched with the universal connecting mechanism (3) and used for thread rolling. The frame (1) comprises a bottom plate (11), the top end of the bottom plate (11) is fixedly connected with a first support (12) and a second support (13) respectively, and the power mechanism (2) and the feeding mechanism (4) are fixedly installed on the outer surfaces of the first support (12) and the second support (13) respectively.

2. The three-axis thread rolling machine improvement structure according to claim 1, characterized in that: The power mechanism (2) comprises three driving motors (21) fixedly installed in a triangular array on the first support (12), a speed reducer (22) is fixedly installed on the outer surface of the first support (12) and close to the corresponding driving motor (21), and the output shaft of the driving motor (21) is fixedly connected with the input shaft of the corresponding speed reducer (22).

3. The three-axis thread rolling machine improvement structure according to claim 2, characterized in that: The universal connecting mechanism (3) comprises a first universal joint (31) fixedly connected with the output shaft of the speed reducer (22), the other end of the first universal joint (31) is fixedly connected with a sleeve (32), the inside of the sleeve (32) is limitedly and slidably connected with a connecting rod (33), the other end of the connecting rod (33) is fixedly connected with a second universal joint, and the other end of the second universal joint is fixedly connected with one end of the thread rolling die (5).

4. The three-axis thread rolling machine improvement structure according to claim 3, characterized in that: The feeding mechanism (4) comprises three feeding cylinders (41) fixedly installed on one side of the outer surface of the second support (13) in a triangular array, the movable end of the feeding cylinder (41) is fixedly connected with a mounting frame (42), and the thread rolling die (5) is rotationally connected in the inside of the mounting frame (42).

5. The three-axis thread rolling machine improvement structure according to claim 4, characterized in that: A center hole is formed in the center position of the outer surface of the second support (13), a guide pipe (6) is penetrated through the center of the outer surface of the first support (12), and a guide wheel (7) matched with the guide pipe (6) is installed on the outer surface of the first support (12).

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