CN220216620U - Spin riveting equipment for replacing common spindle motor with servo spindle motor - Google Patents

Abstract

The utility model discloses spin riveting equipment for replacing a common spindle motor by a servo spindle motor, which belongs to the technical field of spin riveting and comprises a base, wherein a bottom plate is arranged at the top of the base, safety gratings are connected to two sides of the top of the bottom plate, stand columns are arranged at the tops of the safety gratings, a cross beam is connected between the tops of the two stand columns, the inner side of the cross beam is connected with a back plate, a fixed seat is connected to the center of the top of the back plate, a driving servo motor for driving and lifting is arranged on the fixed seat, a radial riveting machine is arranged below one side of the driving servo motor, the top of the radial riveting machine is connected with a rotating servo motor, a ball screw is rotatably connected to the center of the bottom of the fixed seat through a bearing, and two screw sleeves are sleeved on the periphery of the ball screw. The servo spindle motor replaces spin riveting equipment of a common spindle motor, so that resources can be saved, the precision can be improved, and a better riveting effect can be achieved.

Description

Spin riveting equipment for replacing common spindle motor with servo spindle motor

Technical Field

The utility model belongs to the technical field of spin riveting, and particularly relates to spin riveting equipment for replacing a common spindle motor with a servo spindle motor.

Background

The spin riveting machine is generally a riveting machine, is novel riveting equipment developed according to the cold rolling principle, and is mechanical equipment capable of riveting articles by rivets. The device has compact structure, stable performance and convenient and safe operation. The spin riveting machine is equipment for driving a spin riveting main shaft to rivet through the rotation of a motor with the rotation speed of 960 of 380V, and has a plurality of defects and shortcomings in actual use:

1: in the riveting process of the spin riveting equipment, the rivet head is not allowed to rotate, and once the spin is generated, the phenomenon that the riveted rivet is pulled by a mark, the riveting is unstable and the like is caused, so that the spin of the rivet head is overcome by adopting a 380V and 6-level motor with low rotating speed in the design, when the diameter of the rivet head changes, the rotating speed cannot be changed, a frequency converter is required to be added to change the rotating speed, but the torque force is insufficient after the rotating speed is reduced;

2: the 380V motor is huge in size, heavier in weight and large in occupied space, a large amount of manufacturing cost and time cost are wasted in manufacturing, the quality of a riveted product is also determined by the length of riveting time in the riveting process, and the 380V motor cannot be accurately started and stopped.

Disclosure of Invention

The utility model aims to provide spin riveting equipment for replacing a common spindle motor with a servo spindle motor so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a servo spindle motor replaces equipment of riveting soon of ordinary spindle motor, includes the base, the bottom plate is installed at the top of base, the top both sides of bottom plate all are connected with safety grating, and the stand is installed at safety grating's top, two be connected with the crossbeam between the top of stand, and the inboard of crossbeam is connected with the backplate, the top center of backplate is connected with the fixing base, and the drive servo motor that the drive goes up and down is installed to the fixing base, one side below of drive servo motor is provided with radial riveter, and the top of radial riveter is connected with rotatory servo motor.

In a further embodiment, a ball screw connected with the output end of the driving servo motor is rotatably connected to the bottom center of the fixing seat through a bearing, and two screw rod sleeves are sleeved on the periphery of the ball screw.

In a further embodiment, the bottom of the radial riveter is connected with a rivet head, and a pressure sensor is arranged on the radial riveter in a built-in manner.

In a further embodiment, both sides of the ball screw are provided with limiting strips connected with the back plate, and the periphery of the limiting strips is provided with wire rails which are adapted and used for limiting.

In a further embodiment, one side of the bottom plate is connected with a plurality of part boxes for storing parts, and one side of the bottom plate, which is close to the part boxes, is provided with a plurality of control switches for controlling on-off and emergency stop.

In a further embodiment, the wire rail, the screw rod sleeve and the periphery of the radial riveting machine are fixedly connected with a tri-link plate for realizing synchronous movement through bolts.

Compared with the prior art, the utility model has the technical effects and advantages that:

by the characteristic of the running precision of the servo motor in sending the pulse signals, when the rivet heads fast forward, the servo spindle motor is stopped, so that the power consumption can be saved, the no-load friction between the spindle and the bearing can be reduced, and the service life of accessories can be prolonged; when the rivet head is contacted with the rivet, according to the requirement of the riveting process, the rotation speed of the servo rotary main shaft can also change according to the requirement of the rotation speed, and the torque force can not be attenuated under the condition that the rotation speed of the main shaft is reduced due to the fact that a speed reducer is additionally arranged below the servo motor;

under the condition of adding and installing a speed reducer, the specification of the servo spindle motor is smaller than that of a common 380V motor, so that the energy is saved; the appearance volume of the servo spindle motor is much smaller than that of a common 380V motor, so that resources are saved in manufacturing, and the servo rotating spindle can be switched to rotate or stop at will between the rivet allowance, thereby achieving the best riveting effect;

the servo spindle motor replaces spin riveting equipment of a common spindle motor, so that resources can be saved, the precision can be improved, and a better riveting effect can be achieved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a front view of the present utility model;

fig. 4 is a side view of the present utility model.

Reference numerals illustrate:

1. a base; 2. a bottom plate; 3. a parts box; 4. a control switch; 5. a safety grating; 6. a column; 7. a cross beam; 8. a back plate; 9. a fixing seat; 10. driving a servo motor; 11. rotating the servo motor; 12. radial riveter; 13. riveting heads; 14. a tri-link plate;

21. a limit bar; 22. a wire rail;

31. a ball screw; 32. a screw sleeve.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

Unless the directions indicated by the individual definitions are used, the directions of up, down, left, right, front, rear, inner and outer are all directions of up, down, left, right, front, rear, inner and outer in the drawings shown in the present utility model, and are described herein together.

The connection mode can adopt the prior modes such as bonding, welding, bolting and the like, and is based on the actual requirement.

Referring to fig. 1 to 4, the general structure of the device body is that a base plate 2, one side of the base plate 2 is connected with a plurality of component boxes 3, one side of the component boxes 3 is provided with a control switch 4 for controlling on and off and emergency stop, and the bottom of the base plate 2 is provided with a base 1 for supporting;

the two sides of the top of the bottom plate 2 are provided with the safety grating 5, the top of the safety grating 5 is provided with the upright posts 6, a cross beam 7 is connected between the tops of the two upright posts 6, one side of the cross beam 7 is fixedly provided with a back plate 8 through bolts, and one side of the back plate 8 is provided with a radial riveting machine 12;

a pressure sensor is arranged in the radial riveter 12, a rivet head 13 is arranged at the bottom of the radial riveter 12, and the top of the radial riveter 12 is connected with a rotary servo motor 11 through a coupling;

when riveting, the allowance of the rivet is generally 3-7 mm, and the servo rotating main shaft can be switched to rotate or stop at will among the allowance of the rivet, so that a better riveting effect can be achieved;

in order to realize stable lifting, a fixed seat 9 is connected to the center of one side of the top of the back plate 8, a driving servo motor 10 is installed at the top of the fixed seat 9, the output end of the driving servo motor 10 penetrates through the fixed seat 9 and is connected with a ball screw 31 through a coupler, and a screw rod sleeve 32 is sleeved on the periphery of the ball screw 31;

the servo motor can send pulse signals, the pulse signals have the characteristic of operation precision, and the machining precision can be enhanced;

two edges on one side of the back plate 8 are connected with limit bars 21, two adaptive wire rails 22 are arranged on the periphery of the limit bars 21, the wire rails 22 are matched with the limit bars 21, and a tri-link plate 14 for realizing synchronous movement is fixedly connected between the wire rails 22, the screw rod sleeve 32 and the periphery of the radial riveting machine 12 through bolts.

The wire rail 22 and the limit bar 21 are matched with each other, and then are connected with the triple plate 14, so that the radial riveting machine 12 can stably lift.

Further, the servo motor replaces a common 380V motor, the size is smaller, the installation is more convenient, the installation and manufacturing cost is saved, and the 220V voltage of the servo motor is safer than that of the common 380V motor in terms of safety.

The components and the electrical equipment are all the prior art or the prior realizable technology, and the working principle, the size and the model are irrelevant to the functions of the application, so the components and the electrical equipment are not described more and are controlled by a remote control switch.

Principle of operation

When the servo spindle motor is used instead of the spin riveting equipment of the common spindle motor, the servo motor 10 is started to drive the ball screw 31 to rotate, and the screw rod sleeve 32 is lifted to a required position by combining the limiting action of the linear rail 22 and the limiting strip 21, so that the rivet 13 is lowered to the required position;

simultaneously, the rotary servo motor 11 and the radial riveting machine 12 are started to move the rivet head 13, and automatic riveting can be further realized.

It should be noted that relational terms such as one and two are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A spin riveting apparatus for a servo spindle motor in place of a conventional spindle motor, comprising: the base (1), the top of the base (1) is provided with a bottom plate (2);

the method is characterized in that: the utility model discloses a motor vehicle, including bottom plate (2), stand (6) are installed at the top both sides of bottom plate (2), and stand (6) are installed at the top of safety grating (5), two be connected with crossbeam (7) between the top of stand (6), and the inboard of crossbeam (7) is connected with backplate (8), the top center of backplate (8) is connected with fixing base (9), and drive servo motor (10) that drive goes up and down are installed to fixing base (9), one side below of drive servo motor (10) is provided with radial riveter (12), and the top of radial riveter (12) is connected with rotatory servo motor (11).

2. The spin riveting apparatus of claim 1 wherein the servo spindle motor replaces a conventional spindle motor, wherein: the bottom center of the fixing seat (9) is rotationally connected with a ball screw (31) connected with the output end of the driving servo motor (10) through a bearing, and two screw sleeves (32) are sleeved on the periphery of the ball screw (31).

3. The spin riveting apparatus of claim 1 wherein the servo spindle motor replaces a conventional spindle motor, wherein: the bottom of radial riveter (12) is connected with die (13), and radial riveter (12) embeds and installs pressure sensor.

4. The spin riveting apparatus of claim 2 wherein the servo spindle motor replaces a conventional spindle motor, wherein: both sides of ball screw (31) all are provided with spacing (21) with backplate (8) linking, and the periphery of spacing (21) is provided with two adaptation and is used for spacing linear rail (22).

5. The spin riveting apparatus of claim 1 wherein the servo spindle motor replaces a conventional spindle motor, wherein: one side of the bottom plate (2) is connected with a plurality of part boxes (3) for storing parts, and one side of the bottom plate (2) close to the part boxes (3) is provided with a plurality of control switches (4) for controlling on-off and emergency stop.

6. The spin riveting apparatus of claim 4 wherein the servo spindle motor replaces a conventional spindle motor: and a triple plate (14) for realizing synchronous movement is fixedly connected between the wire rail (22), the screw rod sleeve (32) and the periphery of the radial riveting machine (12) through bolts.