CN213147598U

CN213147598U - Electric thread detector

Info

Publication number: CN213147598U
Application number: CN202022356709.9U
Authority: CN
Inventors: 杨卫军; 吴晓飞; 王秋玲; 李玉涛
Original assignee: Hebei Yanxing Machinery Co ltd
Current assignee: Hebei Yanxing Machinery Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-05-07
Anticipated expiration: 2030-10-21

Abstract

The utility model relates to an electronic screw thread detects machine belongs to screw thread detection technical field. The device comprises a driving motor, a transmission case internally provided with a transmission assembly and a detection cone which is arranged outside the transmission case and driven by the transmission assembly to rotate; the transmission assembly comprises a driving shaft arranged at the power output end of the driving motor and a driven shaft used for installing the detection cone; the end part of the driving shaft is fixedly provided with a driving friction plate, the end part of the driven shaft is fixedly provided with a driven friction plate, and the driving friction plate and the driven friction plate are in friction transmission; the surface of the detection cone is provided with an external thread which can be matched with the internal thread of the screw sleeve to be detected. The detection machine is simple in structure and convenient to use, and has the functions of adjusting the torque force of the thread and protecting the clutch release overload of an operator. The equipment is put into production and inspection procedures, is simple and practical, and greatly reduces the labor intensity of staff.

Description

Electric thread detector

Technical Field

The utility model relates to an electronic screw thread detects machine belongs to screw thread detection technical field.

Background

The trailer screwed pipe for sedan is commonly called as 'towing hook sleeve'. The part price is low, and the market demand amount is large. In the production of the part, the final thread needs to be detected to ensure the accuracy of the thread, the detection is very critical, and each part needs to be checked to ensure the quality requirement of a customer. Therefore, 5 workers need to be invested in the machining and final inspection process every day, and the universal check gauge is used for detecting the workers one by one, so that time and labor are wasted, and certain production and manufacturing cost is increased. The manual detection mode is high in labor intensity and low in labor efficiency, and the detection quality cannot be guaranteed after long-time detection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electronic screw thread detects machine.

In order to realize the purpose, the utility model discloses a technical scheme is:

an electric thread detector comprises a driving motor, a transmission case internally provided with a transmission assembly and a detection cone which is arranged on the outer side of the transmission case and driven by the transmission assembly to rotate; the transmission assembly comprises a driving shaft arranged at the power output end of the driving motor and a driven shaft used for installing the detection cone; the end part of the driving shaft is fixedly provided with a driving friction plate, the end part of the driven shaft is fixedly provided with a driven friction plate, and the driving friction plate and the driven friction plate are in friction transmission; the surface of the detection cone is provided with an external thread which can be matched with the internal thread of the screw sleeve to be detected.

The utility model discloses a further improvement does: a driven shaft fixing seat for mounting a driven shaft and a driving shaft fixing seat for mounting a driving shaft are also arranged in the transmission case; the driven shaft is hinged to the driven shaft fixing seat through a bearing, and the driving shaft is hinged to the driving shaft fixing seat through a bearing.

The utility model discloses a further improvement does: a sliding seat and a sliding wire gauge serving as a sliding track of the sliding seat are arranged between the driving shaft fixing seat and the driven shaft fixing seat, the driven friction plate is positioned on the side surface of the sliding seat, one side surface of the driven friction plate is in contact with the driving friction plate, the other side of the driven friction plate is hinged with the sliding seat, the hinged end of the driven friction plate is connected with the driven shaft by a lock nut, and the connecting length between the hinged end and the driven shaft; a pressure spring is arranged between the sliding seat and the driven shaft fixing seat, a clutch pressure adjusting bolt is arranged on the outer side surface of the driven shaft fixing seat in a penetrating mode, the inner end of the clutch pressure adjusting bolt is fixedly connected with the pressure spring, and the clutch pressure adjusting bolt is in threaded connection with the driven shaft fixing seat.

The utility model discloses a further improvement does: an output shaft of the driving motor is fixedly provided with a driving gear, the end part of the driving shaft is fixedly provided with a driven gear, and the driving gear and the driven gear are in reduction meshing transmission.

The utility model discloses a further improvement does: the outer side of the transmission case is provided with a workpiece guide seat corresponding to the detection cone, and a V-shaped groove is formed in the upper end face of the workpiece guide seat.

The utility model discloses a further improvement does: the device also comprises a workbench; the workpiece guide seat, the transmission case and the driving motor are fixedly arranged on the workbench.

The utility model discloses a further improvement does: a height adjusting cushion block is arranged between the workpiece guide seat and the workbench.

The utility model discloses a further improvement does: the driving motor is controlled by a PLC controller and is also provided with a frequency converter for adjusting the rotating speed.

The utility model discloses a further improvement does: the device also comprises a photoelectric switch which is positioned at one side of the inner end of the detection cone and used for controlling the depth of the detection thread.

The utility model discloses a further improvement does: the detachable installation connection is realized between the detection cone and the driven shaft by using a detection cone connecting sleeve.

Since the technical scheme is used, the utility model discloses the technological effect who gains has:

the utility model discloses be provided with between driving gear and the driven gear for the reduction gearing transmission. The rotating speed of the detection cone at the output end of the electric thread detection machine can be adjusted more conveniently, and meanwhile, the rotating speed adjusting range can be expanded. The driving motor is controlled by the controller, and the frequency converter for adjusting the rotating speed is further arranged, so that the control is further convenient, and the rotating speed regulation range can be enlarged.

The utility model discloses to detect and use between awl and the driven shaft to detect awl adapter sleeve and realize detachable erection joint, can change different detection awl according to the thread parameter of the swivel nut that will detect.

The utility model discloses set up the pressure spring between sliding seat and driven shaft fixing base to through running through the lateral surface at the driven shaft fixing base and setting up separation and reunion pressure adjusting bolt, adjust the pretension pressure between initiative friction disc and the driven friction disc. The clutch pressure adjusting bolt is in threaded connection with the driven shaft fixing seat, and position adjustment can be achieved through rotation, so that pre-pressure of the pressure spring is adjusted, and clutch pressure is adjusted.

The utility model discloses use between detection awl and driven shaft and detect awl adapter sleeve, can realize detecting the demountable installation of awl and connect, can change different detection awl according to the thread parameter of the swivel nut that will detect.

The utility model discloses with the equal fixed mounting of work piece guide holder, transmission case and driving motor on the workstation. The height-adjusting cushion block is arranged between the workpiece guide seat and the workbench, and the height of the workpiece guide seat can be adjusted, so that the workpiece guide seat can adapt to workpieces of different models.

The utility model discloses one side detecting awl inner is provided with photoelectric switch, can be convenient for control the screw in degree of depth of work piece, and then control and detect the screw thread degree of depth.

The utility model discloses use quick pivoted detection awl to detect the swivel nut, set up clutch and can rotate when obstructed in the detection awl, with timely separation between driven shaft and the driving shaft, clutch can exert fine effect when the rotation obstructed condition that the swivel nut is unqualified to lead to appears.

The clutch release overload protection machine is simple in structure and convenient to use, and has the functions of adjusting the torque force of the threads and protecting the clutch release overload of an operator.

The equipment is put into production and inspection procedures, is simple and practical, greatly reduces the labor intensity of staff, reduces the number of the past 5 persons to the present one person for detection, and saves certain production and manufacturing cost.

Drawings

FIG. 1 is a schematic view of the connection of the components of the present invention;

fig. 2 is a perspective view of the present invention;

FIG. 3 is a schematic view of a portion of the clutch device of the present invention;

the device comprises a transmission case 1, a detection cone 2, a driving shaft 3, a driving shaft 4, a driven shaft 5, a driving friction plate 6, a driven friction plate 7, a driven shaft fixing seat 8, a driving shaft fixing seat 9, a sliding seat 10, a sliding wire gauge 11, a lock nut 12, a pressure spring 13, a clutch pressure adjusting bolt 14, a driving gear 15, a driven gear 16, a workpiece guide seat 17, a workbench 18, a height adjusting cushion block 19, a driving motor 20, a detection cone connecting sleeve 21, a workpiece 22 and a photoelectric switch.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model relates to an electronic screw thread detects machine for the internal thread to the swivel nut carries out mechanized detection. The main principle of the detection machine is that a detection cone with an external thread is arranged, the threaded sleeve is matched with the external thread of the detection cone in a threaded connection mode to realize thread detection, and the detection cone is driven to rotate by power machinery.

As shown in fig. 1, 2 and 3, the electric thread inspection machine includes a driving motor 19, a transmission case 1 with a transmission assembly disposed therein, and an inspection cone 2. The detection cone 2 is arranged at the power output end of the transmission case 1, the power of the driving motor 19 is input into the transmission case 1, is output from the power output end of the transmission case 1 after being transmitted by the power transmission of the transmission assembly, and then is driven to rotate by the detection cone 2. I.e. outside the gear box 1 and driven in rotation by the gear assembly. The detection cone 2 may use a thread plug gauge.

Specifically, the transmission assembly in the transmission case 1 mainly comprises a driving shaft 3 at a power input end and a driven shaft 4 for mounting the detection cone 2. One end of the driving shaft is arranged at the power output end of the driving motor 19, and the other end is fixedly provided with the driving friction plate 5. One end of the driven shaft 4 is fixedly provided with the detection cone 2, and the other end is fixedly provided with the driven friction plate 6. The driving friction plate 5 and the driven friction plate 6 are in friction transmission. The surface setting that detects awl 2 can with the internal thread assorted external screw thread of the swivel nut that waits to detect, detects and uses between awl 2 and the driven shaft 4 to detect awl adapter sleeve 20 and realize detachable erection joint, can change different detection awl 2 according to the thread parameter of the swivel nut that will detect. That is, the detection cone connection sleeve 20 is fixedly connected to the driven shaft 4, and then the detection cone 2 is mounted on the detection cone connection sleeve 20. Specifically, a morse taper hole is arranged in the detection cone connecting sleeve 20, a taper section of a mode taper is correspondingly arranged on the installation section of the detection cone 2, and the detection cone is installed on the drilling machine by adopting taper connection similar to a drill bit.

In a specific implementation, a driven shaft fixing seat 7 for installing the driven shaft 4 and a driving shaft fixing seat 8 for installing the driving shaft 3 are further arranged in the transmission case 1. The driven shaft 4 is hinged to the driven shaft fixing seat 7 through a bearing, and the driving shaft 3 is hinged to the driving shaft fixing seat 8 through a bearing. Through setting up driven shaft fixing base 7 and driving shaft fixing base 8, can realize that the stable installation of driving shaft 3 and driven shaft 4 is fixed.

The utility model discloses use driving motor 19 as the power supply, in concrete implementation, usually at driving motor's output shaft fixed mounting driving gear 14, then at the tip fixed mounting driven gear 15 of driving shaft. Meshing transmission between driving gear 14 and driven gear 15, driven gear 15's number of teeth is mostly the gear wheel, and driving gear 14's number of teeth is little for the pinion, is the speed reduction meshing transmission between driving gear 14 and the driven gear 15. In order to facilitate the adjustment of the rotation speed of the detection cone 2 at the output end of the electric thread detection machine, the rotation speed adjustment range can be expanded. The drive motor 19 is typically controlled using a PLC controller and is also provided with a frequency converter for adjusting the rotational speed.

The utility model discloses use quick pivoted detection awl 2 to detect the swivel nut, owing to the obstructed circumstances of rotation that the swivel nut is unqualified to be leaded to can appear, so need set up clutch so that when detecting awl 2 and rotate and be obstructed, in time separate driven shaft 4 with between the driving shaft 4. The driving friction plate 5 and the driven friction plate 6 are in contact friction through a clutch device. The clutch device mainly comprises a sliding seat 9, a sliding wire gauge 10, a pressure spring 12 and a clutch pressure adjusting bolt 13. The slide wire gauge 10 is a slide rail of the slide base 9, and the lower end of the slide base 9 is attached to the slide wire gauge 10 so as to be slidable along the slide wire gauge 10. The sliding seat 9 and the sliding wire gauge 10 are arranged between the driving shaft fixing seat 8 and the driven shaft fixing seat 7. The driven friction plate 6 is hinged on the driven shaft fixing seat 7, wherein one side surface of the driven friction plate 6 is contacted with the driving friction plate 5, and the other side surface of the driven friction plate 6 is hinged with the sliding seat 9. The hinged end of the driven friction plate 6 penetrates through the driven shaft fixing seat 7 and then is connected with the driven shaft through the lock nut 11, and the connection between the hinged end and the driven shaft is in a length-adjustable connection mode, for example, a key groove connection mode can be adopted. A pressure spring 12 is arranged between the sliding seat 9 and the driven shaft fixing seat 7 to adjust pre-tightening pressure between the driving friction plate 5 and the driven friction plate 6, a clutch pressure adjusting bolt 13 penetrates through the outer side surface of the driven shaft fixing seat 7, and the inner end of the clutch pressure is fixedly connected with the pressure spring 12. And the clutch pressure adjusting bolt 13 is in threaded connection with the driven shaft fixing seat 7, and the position can be adjusted through rotation. The clutch pressure adjusting bolt 13 can move to adjust the pre-pressure of the pressure spring 12, so that the clutch pressure is adjusted. As shown in fig. 1 and 3.

The utility model discloses can adopt direct manual work to install work piece 21 with the hand and detect on detecting awl 2, also can set up work piece guide holder 16 for the work piece. Specifically, a workpiece guide seat 16 is arranged on the outer side of the transmission case 1 corresponding to the detection cone 2, and a V-shaped groove is arranged on the upper end face of the workpiece guide seat 16. The workpiece 21 to be inspected is placed in the V-groove and then manually pushed towards the inspection cone 2 in such a way as to facilitate the alignment of the workpiece 21 with the inspection cone 2. Further, a workbench 17 is also included; the workpiece guide seat 16, the transmission case 1 and the driving motor 19 are all fixedly arranged on the workbench 17. A height adjusting pad 18 is provided between the work guide 16 and the table 17, and the height of the work guide 16 can be adjusted. As shown in fig. 1 and 2.

The utility model discloses in concrete implementation, in order to facilitate the screw in degree of depth of control work piece 21, and then control and detect the screw thread degree of depth, be provided with photoelectric switch 22. The photoelectric switch 22 is arranged on one side of the inner end of the detection cone 2. When the device works, a workpiece 21 to be detected is screwed into the detection cone 2, and when the inner end enters the position of the photoelectric switch 22, the photoelectric switch 22 sends a signal.

A workpiece is manually placed on the guide seat, the workpiece is screwed in by abutting against the detection cone in a forward rotation mode, and the photoelectric contact switch is automatically reversed and screwed out in a reverse rotation mode. The drive motor 19 is capable of rotating in the forward direction and in the reverse direction to rotate the workpiece to be inspected in and out.

The detection speed is controlled by adjusting a rotating speed knob; and adjusting the adjusting bolt to control the torque force of the detection cone.

And adjusting the position of the photoelectric switch to control the thread detection depth.

The motor is adopted for frequency conversion and speed regulation to enable, the PLC is used for controlling, the gear primary mechanism is used for reducing speed and increasing power, the driving shaft and the driven shaft transmit power through the driving friction plate and the driven friction plate, the driven shaft is guided by the wire gauge to ensure stable sliding, and the spring pressing mechanism is used for ensuring that the torsion is adjustable and has an overload protection function.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An electronic screw thread detects machine which characterized in that: comprises a driving motor (19), a transmission case (1) internally provided with a transmission component and a detection cone (2) which is arranged at the outer side of the transmission case (1) and driven by the transmission component to rotate; the transmission assembly comprises a driving shaft (3) arranged at the power output end of the driving motor (19) and a driven shaft (4) used for installing the detection cone (2); the end part of the driving shaft (3) is fixedly provided with a driving friction plate (5), the end part of the driven shaft (4) is fixedly provided with a driven friction plate (6), and the driving friction plate (5) and the driven friction plate (6) are in friction transmission; the surface of the detection cone (2) is provided with an external thread matched with the internal thread of the screw sleeve to be detected.

2. The electric thread testing machine of claim 1, wherein: a driven shaft fixing seat (7) for installing a driven shaft (4) and a driving shaft fixing seat (8) for installing a driving shaft (3) are also arranged in the transmission case (1); the driven shaft (4) is hinged to the driven shaft fixing seat (7) through a bearing, and the driving shaft (3) is hinged to the driving shaft fixing seat (8) through a bearing.

3. The electric thread testing machine of claim 2, wherein: a sliding seat (9) and a sliding wire gauge (10) serving as a sliding track of the sliding seat (9) are arranged between the driving shaft fixing seat (8) and the driven shaft fixing seat (7); the driven friction plate (6) is positioned on the side surface of the sliding seat (9), one side surface of the driven friction plate is contacted with the driving friction plate (5), and the other side of the driven friction plate is hinged with the sliding seat (9); the hinged end of the driven friction plate (6) is connected with the driven shaft (4) by a lock nut (11), and the connection length between the hinged end and the driven shaft is adjustable; set up pressure spring (12) between sliding seat (9) and driven shaft fixing base (7), the lateral surface of driven shaft fixing base (7) is with running through setting up inner with pressure spring (12) fixed connection's separation and reunion pressure adjusting bolt (13), be threaded connection between separation and reunion pressure adjusting bolt (13) and driven shaft fixing base (7).

4. An electric screw thread testing machine according to any one of claims 1 to 3, characterized in that: an output shaft of the driving motor (19) is fixedly provided with a driving gear (14), the end part of the driving shaft is fixedly provided with a driven gear (15), and the driving gear (14) and the driven gear (15) are in speed reduction meshing transmission.

5. An electric screw thread testing machine according to any one of claims 1 to 3, characterized in that: the outer side of the transmission case (1) is provided with a workpiece guide seat (16) corresponding to the detection cone (2) and a V-shaped groove is arranged on the upper end surface of the workpiece guide seat (16).

6. An electric screw thread testing machine according to any one of claims 1 to 3, characterized in that: also comprises a worktable (17); the workpiece guide seat (16), the transmission case (1) and the driving motor (19) are fixedly arranged on the workbench (17).

7. The electric thread testing machine of claim 5, wherein: a height-adjusting cushion block (18) is arranged between the workpiece guide seat (16) and the workbench (17).

8. The electric thread testing machine of claim 1, wherein: the drive motor (19) is controlled using a PLC controller and is also provided with a frequency converter for adjusting the rotational speed.

9. The electric thread testing machine of claim 1, wherein: the device also comprises a photoelectric switch (22) which is positioned on one side of the inner end of the detection cone (2) and is used for controlling the depth of the detected thread.

10. The electric thread testing machine of claim 1, wherein: the detection cone connecting sleeve (20) is used between the detection cone (2) and the driven shaft (4) to realize detachable installation connection.