Multifunctional rotating main shaft for induction hardening

Abstract

The utility model discloses a multifunctional rotating main shaft for induction quenching, which relates to the technical field of induction quenching and comprises a main shaft component, a clamping jaw component, a driving device and an ignition protection device, the spindle component comprises a shaft sleeve, a rotating shaft is rotatably arranged in the shaft sleeve, and the upper end of the rotating shaft extends out of the shaft sleeve and then is fixedly connected with the clamping jaw component. A conducting rod is arranged in the rotating shaft, and the upper end of the conducting rod can extend out of the rotating shaft; the driving device is used for driving the rotating shaft to rotate; the ignition protection device is used for driving the conducting rod to ascend and descend, and then contact and separation of the conducting rod and the clamping jaw component are achieved. The device can detect ignition protection and prevent the main shaft bearing from being electrically damaged, and has better practical application value and economic benefits for promoting production.

Description

Technical Field

[0001] The utility model relates to the technical field of induction quenching, in particular to a multifunctional rotating spindle used for induction quenching. Background Art

[0002] Rotating spindles are widely used in industries such as automated production lines and robot end equipment to clamp and fix workpieces. There are various types of rotating spindles on the market, but they have many defects, such as equipment damage caused by sparking and failure to shut down; spindle bearings are partially overheated due to excessive instantaneous current, causing partial melting and welding together, resulting in running jams and bearing damage. Utility Model Content

[0003] In view of the defects existing in the prior art, the purpose of the utility model is to provide a multifunctional rotating spindle for induction quenching, which can detect spark protection and prevent electric shock to the spindle bearings. The lifting and lowering of the conductive rod is controlled by the ventilation and exhaust of the cylinder, and the lifting and lowering of the cylinder shaft is detected by electrical signals to control the start and stop of the rotation, so that the machine can be stopped when sparked; insulating materials are used to insulate the bearings from electricity, thereby reducing the probability of electric shock to the bearings and protecting components. It has good practical application value and promotes the economic benefits of production.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is: a multifunctional rotating spindle for induction quenching, including a spindle component, a clamping claw component, a driving device and an ignition protection device; the spindle component includes a shaft sleeve, a rotating shaft is rotatably arranged in the shaft sleeve, and the upper end of the rotating shaft extends out of the shaft sleeve and is fixedly connected with the clamping claw component; a conductive rod is arranged in the rotating shaft, and the upper end of the conductive rod can extend from the rotating shaft; the driving device is used to drive the rotating shaft to rotate; the ignition protection device is used to drive the conductive rod to rise and fall, thereby realizing the contact and separation of the conductive rod and the clamping claw component.

[0005] A further improvement is that a mounting plate is provided at the lower end of the sleeve, and the lower end of the rotating shaft is connected to a driven gear after extending out of the sleeve; the driving device includes a motor, which is connected to the mounting plate, and the output shaft of the motor is provided with a driving gear meshing with the driven gear.

[0006] A further improvement is that a connecting seat is provided at the upper end of the rotating shaft, and a connecting plate for connecting the clamping claw component is provided on the connecting seat.

[0007] A further improvement is that the clamping jaw component comprises a clamping jaw body, and an end cover adapted to the conductive rod is provided at the bottom of the clamping jaw body.

[0008] A further improvement is that a first insulating pad is provided between the end cover and the main shaft component, and an arc-shaped second insulating pad is provided in the clamp body.

[0009] A further improvement is that the clamp body is in a cylindrical structure, and a plurality of clamp arms are provided on the outer circumferential surface of the clamp body, and a clamp portion is slidably provided on the clamp arms.

[0010] A further improvement is that the lower end of the conductive rod extends out from the rotating shaft; the ignition protection device includes a cylinder, which is installed directly below the rotating shaft through a bracket, and the piston rod of the cylinder is provided with a pressure head adapted to the conductive rod.

[0011] A further improvement is that a compression spring is sleeved on the upper end of the conductive rod, the upper end of the compression spring abuts against the clamping claw component, and the lower end of the compression spring is connected to the conductive rod.

[0012] A further improvement is that a first detection switch is arranged on the bracket, and the first detection switch controls the driving device by transmitting an electrical signal through detection of the main shaft component.

[0013] A further improvement is that a second detection switch is arranged on the bracket, and the second detection switch controls the extension and retraction of the cylinder by detecting the piston rod of the cylinder and transmitting an electrical signal.

[0014] The beneficial effects of the utility model are:

[0015] In the utility model, a clamping jaw component is installed on a main shaft component, a driving device drives the main shaft component, and a workpiece spark protection device drives the conductive rod to rise and fall, with precise control, fast response and high precision; the workpiece spark protection device is equipped with a first and a second detection switch, which respectively detect the rotation speed of the main shaft component and the position of the cylinder rod, and transmit electrical signals; the main shaft rotation speed and the cylinder rod position are detected by electrical signals, so that spark protection and current isolation can be accurately performed, and the situation in which the equipment is damaged due to untimely spark protection is reduced, the safety of the equipment is improved, and the economic loss caused by bearing damage due to excessive instantaneous current is reduced, and the practical application value and the economic benefit of promoting production are better. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of a multifunctional rotating spindle for induction hardening in an embodiment of the utility model;

[0017] Figure 2 A cross-sectional view of a multifunctional rotating spindle for induction hardening in an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the main shaft component in the embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the clamping jaw component in the embodiment of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the ignition protection device in the embodiment of the utility model.

[0021] Reference numerals:

[0022] 1-spindle component; 11-shaft sleeve; 12-rotating shaft; 13-conductive rod; 14-compression spring; 15-connecting seat; 16-connecting plate; 17-driven gear; 18-mounting plate;

[0023] 2-claw component; 21-claw body; 22-end cover; 23-first insulating pad; 24-second insulating pad; 25-clamp arm; 26-claw member;

[0024] 3-driving device; 31-motor; 32-driving gear;

[0025] 4-ignition protection device; 41-bracket; 42-cylinder; 43-pressure head; 44-first detection switch; 45-second detection switch. DETAILED DESCRIPTION

[0026] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0027] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0029] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, but cannot be understood as limiting the utility model.

[0030] See also Figure 1 and Figure 2 As shown, the embodiment of the utility model provides a multifunctional rotating spindle for induction hardening, including a spindle component 1, a clamping jaw component 2, a driving device 3 and an ignition protection device 4;

[0031] See also Figure 2 and Figure 3 As shown, the main shaft component 1 includes a sleeve 11, a rotating shaft 12 is rotatably arranged in the sleeve 11, and the upper end of the rotating shaft 12 is fixedly connected to the clamping jaw component 2 after extending out of the sleeve 11; a conductive rod 13 is arranged in the rotating shaft 12, and the upper end of the conductive rod 13 can extend from the rotating shaft 12; specifically, a connecting seat 15 is arranged at the upper end of the rotating shaft 12, and a connecting disk 16 for connecting the clamping jaw component 2 is arranged on the connecting seat 15.

[0032] See also Figure 1 and Figure 2 As shown, the driving device 3 is used to drive the rotating shaft 12 to rotate; specifically, a mounting plate 18 is provided at the lower end of the sleeve 11, and the lower end of the rotating shaft 12 is connected to the driven gear 17 after extending out of the sleeve 11; the driving device 3 includes a motor 31, which is connected to the mounting plate 18, and the output shaft of the motor 31 is provided with a driving gear 32 meshing with the driven gear 17.

[0033] See also Figure 2 and Figure 5 As shown, the ignition protection device 4 is used to drive the conductive rod 13 to rise and fall, thereby realizing the contact and separation between the conductive rod 13 and the clamping jaw component 2. Specifically, the lower end of the conductive rod 13 extends from the rotating shaft 12; the ignition protection device 4 includes a cylinder 42, which is installed directly below the rotating shaft 12 through a bracket 41, and the piston rod of the cylinder 42 is provided with a pressing head 43 adapted to the conductive rod 13. The upper end of the conductive rod 13 is sleeved with a compression spring 14, the upper end of which is abutted against the clamping jaw component 2, and the lower end of the compression spring 14 is connected to the conductive rod 13, and is normally in a compressed state. A first detection switch 44 is provided on the bracket 41, and the first detection switch 44 controls the driving device 3 by transmitting an electrical signal through the detection of the main shaft component 1. A second detection switch 45 is provided on the bracket 41, and the second detection switch 45 controls the extension and retraction of the cylinder 42 by transmitting an electrical signal through the detection of the piston rod of the cylinder 42. Before heating begins, the cylinder rod rises, allowing the workpiece to be grounded through the conductive rod to remove residual current. After a period of time, the cylinder retracts, and under the action of the compression spring, the conductive rod falls and disconnects from the workpiece.

[0034] See also Figure 2 and Figure 4 As shown, the clamping jaw part 2 includes a clamping jaw body 21, and an end cover 22 adapted to the conductive rod 13 is provided at the bottom of the clamping jaw body 21. Specifically, a first insulating pad 23 is provided between the end cover 22 and the main shaft part 1, and an arc-shaped second insulating pad 24 is provided inside the clamping jaw body 21, which is connected to the main shaft part through the first insulating pad and the second insulating pad by bolts to reduce the possibility of current passing. The clamping jaw body 21 is a cylindrical structure, and a plurality of clamping arms 25 are provided on the outer circumferential surface of the clamping jaw body 21, and a clamping jaw 26 is slidably provided on the clamping arms 25.

[0035] In the description of the specification, the description with reference to the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model, and the schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0036] Through the description of the above structure and principle, technicians in the relevant technical field should understand that the present invention is not limited to the above-mentioned specific implementation methods. Improvements and substitutions based on the present invention using the known technology in the field all fall within the protection scope of the present invention and should be defined by the claims.

Claims

1. A multifunctional rotating spindle for induction hardening, comprising a spindle component (1), characterized in that: It also includes a clamping claw component (2), a driving device (3) and an ignition protection device (4); The main shaft component (1) comprises a shaft sleeve (11), a rotating shaft (12) is rotatably arranged in the shaft sleeve (11), and the upper end of the rotating shaft (12) extends out of the shaft sleeve (11) and is fixedly connected to the clamping claw component (2); a conductive rod (13) is arranged in the rotating shaft (12), and the upper end of the conductive rod (13) can extend from the rotating shaft (12); The driving device (3) is used to drive the rotating shaft (12) to rotate; The ignition protection device (4) is used to drive the conductive rod (13) to rise and fall, thereby achieving contact and separation between the conductive rod (13) and the clamping claw component (2).

2. The multifunctional rotating spindle for induction hardening according to claim 1, characterized in that: The lower end of the shaft sleeve (11) is provided with a mounting plate (18), and the lower end of the rotating shaft (12) is connected to a driven gear (17) after extending out of the shaft sleeve (11); the driving device (3) comprises a motor (31), the motor (31) is connected to the mounting plate (18), and the output shaft of the motor (31) is provided with a driving gear (32) meshing with the driven gear (17).

3. The multifunctional rotating spindle for induction hardening according to claim 1, characterized in that: A connecting seat (15) is provided at the upper end of the rotating shaft (12), and a connecting plate (16) for connecting the clamping jaw component (2) is provided on the connecting seat (15).

4. The multifunctional rotating spindle for induction hardening according to claim 1, characterized in that: The clamping jaw component (2) comprises a clamping jaw body (21), and an end cover (22) adapted to the conductive rod (13) is provided at the bottom of the clamping jaw body (21).

5. The multifunctional rotating spindle for induction hardening according to claim 4, characterized in that: A first insulating pad (23) is arranged between the end cover (22) and the main shaft component (1), and an arc-shaped second insulating pad (24) is arranged inside the clamping jaw body (21).

6. The multifunctional rotating spindle for induction hardening according to claim 4, characterized in that: The clamp body (21) is of cylindrical structure, and a plurality of clamp arms (25) are arranged on the outer circumferential surface of the clamp body (21), and a clamp member (26) is slidably arranged on the clamp arm (25).

7. The multifunctional rotating spindle for induction hardening according to claim 1, characterized in that: The lower end of the conductive rod (13) extends out from the rotating shaft (12); the ignition protection device (4) comprises a cylinder (42), the cylinder (42) is installed directly below the rotating shaft (12) through a bracket (41), and the piston rod of the cylinder (42) is provided with a pressing head (43) adapted to the conductive rod (13).

8. The multifunctional rotating spindle for induction hardening according to claim 7, characterized in that: The upper end of the conductive rod (13) is sleeved with a compression spring (14), the upper end of the compression spring (14) is pressed against the clamping jaw component (2), and the lower end of the compression spring (14) is connected to the conductive rod (13).

9. The multifunctional rotating spindle for induction hardening according to claim 7, characterized in that: The bracket (41) is provided with a first detection switch (44), and the first detection switch (44) controls the driving device (3) by transmitting an electrical signal through detection of the main shaft component (1).

10. The multifunctional rotating spindle for induction hardening according to claim 7, characterized in that: The bracket (41) is provided with a second detection switch (45), and the second detection switch (45) controls the extension and retraction of the cylinder (42) by transmitting an electrical signal through detection of the piston rod of the cylinder (42).

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