Automatic thread extrusion forming device

Abstract

The utility model discloses an automatic thread extrusion forming device which comprises a machine table, a stock bin of a box body structure is fixedly installed on the upper side of the machine table, a fixed thread rolling wheel is installed on the upper side of the machine table, a movable thread rolling wheel is installed on the upper side of the machine table through a sliding rail, and an installation base of the movable thread rolling wheel is pushed by a servo electric cylinder. The movable rolling wheel and the fixed rolling wheel are located in the same horizontal plane and are close to each other in parallel, a pushing air cylinder perpendicular to the stock bin is arranged on the machine table, the pushing air cylinder pushes round rods in the stock bin to the position between the fixed rolling wheel and the movable rolling wheel one by one to machine external threads, and a material returning groove is formed in the upper side of the machine table. And the round rod with the machined external thread rolls down from the material returning groove. According to the automatic feeding device, one-by-one automatic feeding can be achieved in the thread rolling machining process of the screws, automatic output is achieved after machining is completed, and therefore the machining efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a thread rolling equipment technical field, concretely to a kind of automatic extrusion forming thread device. BACKGROUND

[0002] Many parts in present machinery are connected by thread, need to make internal thread and external thread on corresponding part, the production of internal thread and external thread is generally called tapping, thread rolling is a common external thread processing mode, it is using thread rolling wheel to process thread on the surface of round bar.For example, the Chinese utility model patent with announcement number CN221848536U discloses a feeding mechanism of thread rolling machine for shaft workpiece machining, precise feeding position and speed control can be realized by the cooperation of clamping assembly, movement assembly and limiting assembly, the accuracy and consistency of each feeding are ensured, thereby reducing workpiece tooth position difference and improving workpiece quality and qualification rate, but the above scheme also has the following shortcomings: although feeding can be realized, such feeding is automatic feeding after clamping single workpiece, so manual clamping single workpiece is still needed, and the production efficiency is low for batch processing. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of automatic extrusion forming thread device to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of automatic extrusion forming thread device, including machine table, the upper side of machine table is fixedly installed with the hopper of box body structure, the upper side of machine table is installed with fixed thread rolling wheel, the upper side of machine table is installed with movable thread rolling wheel by slide rail, the installation base of movable thread rolling wheel is pushed by servo cylinder, the movable thread rolling wheel and fixed thread rolling wheel are in the same horizontal plane and parallel close, the machine table is equipped with the pusher cylinder being vertically arranged with the hopper, the pusher cylinder pushes the round bar in the hopper to fixed thread rolling wheel and movable thread rolling wheel between processing external thread one by one, the upper side of machine table is equipped with material return groove, and the round bar with good external thread is rolled down from material return groove.

[0005] Preferably, the upper of machine table is installed with sensor a, the sensor a is located at the end side of fixed thread rolling wheel, and the sensor a is used to detect the round bar to movable thread rolling wheel, fixed thread rolling wheel feeding.

[0006] Preferably, the installation base of movable thread rolling wheel is fixedly connected with sensor b, and the end edge of movable thread rolling wheel is equipped with contact head, and the rotation number is recorded through sensor b by contact head.

[0007] Preferably, cooling oil pipe is installed on the machine table, and the output end of the cooling oil pipe is vertically downward to the area between movable thread rolling wheel and fixed thread rolling wheel.

[0008] Compared with the prior art, the utility model discloses a beneficial effect is: the utility model discloses a screw rod in the process of rolling the teeth can realize automatic feeding one by one, and automatic output after processing, thereby being favorable to improving processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0010] In the drawing: 1, machine table, 2, stock bin, 3, push material cylinder, 4, servo cylinder, 5, movable rolling teeth wheel, 6, fixed rolling teeth wheel, 7, cooling oil pipe, 8, material return groove, 9, sensor b, 10, sensor a, 11, contact head. DETAILED DESCRIPTION

[0011] The technical scheme 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, not all the embodiments.

[0012] Please refer to Figure 1 The utility model provides a kind of technical scheme: a kind of automatic extrusion forming thread device, including machine table 1, the upper side of machine table 1 is fixedly installed with the stock bin 2 of box body structure, the stock bin 2 is used to place round bar workpiece, the upper side of machine table 1 is installed with fixed rolling teeth wheel 6, the upper side of machine table 1 is installed with movable rolling teeth wheel 5 by slide rail, the installation base of movable rolling teeth wheel 5 is driven by servo cylinder 4, movable rolling teeth wheel 5 and fixed rolling teeth wheel 6 are in the same horizontal plane and parallel close to each other.Movable rolling teeth wheel 5, fixed rolling teeth wheel 6 are all rotated by corresponding servo motor drive.

[0013] The upper side of machine table 1 is installed with sensor a 10, sensor a 10 is located at the end side of fixed rolling teeth wheel 6, sensor a 10 is used to detect round bar to movable rolling teeth wheel 5, fixed rolling teeth wheel 6 feeding.The installation base of movable rolling teeth wheel 5 is fixedly connected with sensor b 9, and the end edge of movable rolling teeth wheel 5 is equipped with contact head 11, and the number of rotations is recorded through sensor b 9 by contact head 11.Machine table 1 is installed with cooling oil pipe 7, and the output end of cooling oil pipe 7 is vertically downward and points to the area between movable rolling teeth wheel 5 and fixed rolling teeth wheel 6, and cooling oil pipe 7 outputs oil when rolling teeth, and the processing part is cooled and cooled.

[0014] The machine table 1 is provided with a pushing cylinder 3 vertically arranged with the material bin 2, the pushing cylinder 3 pushes the round rod in the material bin 2 to the fixed rolling thread wheel 6 and the movable rolling thread wheel 5 one by one to process external thread, the bottom of the material bin 2 is arranged in an inclined manner and is provided with a discharging nozzle at the low end, the pushing cylinder 3 pushes the round rod falling into the discharging nozzle to the thread rolling position horizontally. The upper side of the machine table 1 is provided with a material returning groove 8, the round rod with processed external thread rolls down from the material returning groove 8. When the movable rolling thread wheel 5 moves away from the fixed rolling thread wheel 6, the processed screw rod falls down to the material returning groove 8 and rolls out.

[0015] Working principle: when in use, the round rod-shaped workpiece is placed in the material bin 2, the workpiece is pushed by the pushing cylinder 3 to the fixed rolling thread wheel 6 and the movable rolling thread wheel 5 one by one, the sensor a10 sends a starting signal to the servo motor after sensing the incoming material, the movable rolling thread wheel 5 and the fixed rolling thread wheel 6 operate to roll thread, after the thread rolling is completed, the movable rolling thread wheel 5 moves away from the fixed rolling thread wheel 6, and the screw rod falls and is output.

[0016] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automatic extrusion forming thread device, comprising a machine table (1), a hopper (2) with a box structure is fixedly installed on the upper side of the machine table (1), characterized in that: The upper side of the machine table (1) is provided with a fixed rolling wheel (6), and the upper side of the machine table (1) is provided with a movable rolling wheel (5) through a slide rail. The installation base of the movable rolling wheel (5) is pushed by a servo cylinder (4). The movable rolling wheel (5) is in the same horizontal plane with the fixed rolling wheel (6) and is parallelly close to the fixed rolling wheel (6). The machine table (1) is provided with a pushing cylinder (3) which is vertically arranged with the material bin (2). The pushing cylinder (3) pushes the round rods in the material bin (2) one by one to the fixed rolling wheel (6) and the movable rolling wheel (5) to process external threads. The upper side of the machine table (1) is provided with a material returning groove (8), and the round rods with processed external threads are rolled down from the material returning groove (8).

2. An apparatus for automatically forming threads by extrusion as defined in claim 1, wherein: The upper side of the machine table (1) is provided with a sensor a (10), and the sensor a (10) is located at the end side of the fixed rolling wheel (6). The sensor a (10) is used for detecting the feeding of the round rods to the movable rolling wheel (5) and the fixed rolling wheel (6).

3. An apparatus for automatically forming threads by extrusion as defined in claim 2, wherein: The installation base of the movable rolling wheel (5) is fixedly connected with a sensor b (9). The end edge of the movable rolling wheel (5) is provided with a contact head (11). The rotation number is recorded through the contact head (11) and the sensor b (9).

4. An apparatus for automatically forming threads by extrusion as defined in claim 1, wherein: The machine table (1) is provided with a cooling oil pipe (7), and the output end of the cooling oil pipe (7) is vertically downwardly directed to the area between the movable rolling wheel (5) and the fixed rolling wheel (6).

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