阅读说明：本技术 一种智能分度装置及智能分度控制电路 (Intelligent indexing device and intelligent indexing control circuit ) 是由 董志 于 2021-06-25 设计创作，主要内容包括：本发明公开了一种智能分度装置及智能分度控制电路,包括,分度组件,包括转动安装在机架上的分度盘、用于带动所述分度盘绕其轴线旋转的分度盘驱动装置以及用于将工件同轴固定在分度盘上的工件定位装置；分度控制组件,包括固定安装在分度盘上的感应块、固定在机架上无触点感应开关以及用于对所述分度盘进行固定的分度盘定位装置,所述无触点感应开关与所述分度盘定位装置以及分度盘驱动装置电连接；以及,钻模板组件,用于对工件进行钻孔作业。本发明通过液压缸、活塞、触点开关、时间继电器系统实现分度动作的控制,不仅极大地简化了分度装置的机械结构,而且可以通过设置各项参数来实现任意角度或任意距离的分度操作的自动化。(The invention discloses an intelligent indexing device and an intelligent indexing control circuit, which comprise an indexing assembly, a positioning device and a control module, wherein the indexing assembly comprises an indexing disc which is rotatably arranged on a rack, an indexing disc driving device which is used for driving the indexing disc to rotate around the axis of the indexing disc driving device, and a workpiece positioning device which is used for coaxially fixing a workpiece on the indexing disc; the indexing control assembly comprises an induction block fixedly arranged on the indexing disc, a non-contact induction switch fixed on the frame and an indexing disc positioning device used for fixing the indexing disc, wherein the non-contact induction switch is electrically connected with the indexing disc positioning device and the indexing disc driving device; and the drilling template assembly is used for drilling the workpiece. The invention realizes the control of the indexing action through the hydraulic cylinder, the piston, the contact switch and the time relay system, not only greatly simplifies the mechanical structure of the indexing device, but also can realize the automation of the indexing operation at any angle or any distance by setting various parameters.)

1. An intelligent indexing device, its characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the indexing assembly comprises an indexing disc (7) rotatably mounted on a rack (14), an indexing disc (7) driving device for driving the indexing disc (7) to rotate around the axis of the indexing disc, and a workpiece (9) positioning device for coaxially fixing a workpiece (9) on the indexing disc (7);

the indexing control assembly (6) comprises an induction block (16) fixedly arranged on an indexing disc (7), a non-contact induction switch (15) fixed on a rack (14) and an indexing disc (7) positioning device used for fixing the indexing disc (7), wherein the non-contact induction switch (15) is electrically connected with the indexing disc (7) positioning device and an indexing disc (7) driving device, when the indexing disc (7) rotates to the point that the induction block (16) enters the induction area of the non-contact induction switch (15), the non-contact induction switch (15) controls the indexing disc (7) driving device to stop running, and simultaneously controls the indexing disc (7) positioning device to position the indexing disc (7); and the number of the first and second groups,

and the drilling template component (13) is used for drilling the workpiece (9).

2. The intelligent indexing device of claim 1, wherein: the indexing disc (7) driving device comprises an indexing motor (1), and the indexing motor (1) is in transmission connection with a rotating shaft of the indexing disc (7) through a transmission belt (2).

3. The intelligent indexing device of claim 1, wherein: the workpiece (9) positioning device comprises a positioning mandrel (10) which is coaxially and fixedly installed on the indexing disc (7), and a locking nut (12) used for pressing the workpiece (9) is arranged on the positioning mandrel (10) in a rotating mode.

4. The intelligent indexing device of claim 1, wherein: the index plate (7) positioning device comprises a pressure plate (17) which is arranged on a rack (14) in a swinging mode, one end of the pressure plate (17) is hinged to a piston rod (19) of a hydraulic pump (21) through a hinged arm (18), the other end of the pressure plate (17) is located above the index plate (7), the hydraulic pump (21) is in driving connection with a driving motor of the hydraulic pump (21),

the hydraulic pump (21) can drive the pressure plate (17) to swing up and down through the hinged arm (18), so that one end of the pressure plate (17) is in pressure joint with the index plate (7) or is separated from the index plate (7).

5. The intelligent indexing device of claim 1, wherein: the induction block (16) is fixedly arranged on the side surface of the dividing plate (7).

6. The intelligent indexing device of claim 1, wherein: the drill plate assembly (13) comprises a drill bit and a drill bit driving motor for driving the drill bit to rotate.

7. An intelligence graduation control circuit which characterized in that: comprises a main circuit and an indexing control circuit,

the main circuit comprises an indexing motor M1, a hydraulic pump driving motor M2, a drill bit driving motor M3, alternating current contactors KM1, KM2, KM3 and a three-phase alternating current power supply, wherein the three-phase alternating current power supply supplies power to the indexing motor M1, the hydraulic pump driving motor M2 and the drill bit driving motor M3, and the alternating current contactors KM1, KM2 and KM3 are respectively connected in power supply loops of the indexing motor M1, the hydraulic pump driving motor M2 and the drill bit driving motor M3 and are respectively used for controlling the opening and closing of the indexing motor M1, the hydraulic pump driving motor M2 and the drill bit driving motor M3;

the indexing control circuit comprises an alternating current contactor KM1, an alternating current contactor KM2, an alternating current contactor KM3, a time relay KT1, a time relay KT2, a time relay KT3, a hydraulic cylinder electromagnetic valve YA, a first travel switch LS1, a second travel switch LS2, a stop switch SB1, a start switch SB2, a start switch SB4, a stop switch SB3 and a control circuit power supply,

the two ends of the coil of the alternating current contactor KM1 are respectively connected with a power supply of a control circuit through the stop switch SB1 and the start switch SB 2; one end of a coil of the KM2 of the alternating current contactor is connected with a power supply of a control circuit, and the other end of the coil is connected with the power supply of the control circuit after passing through the starting switch SB4 and the stopping switch SB3 in sequence; one end of a coil of the alternating current contactor KM3 is connected with a power supply of a control circuit, and the other end of the coil is connected with the power supply of the control circuit through the second travel switch; one end of a coil of the time relay KT1 is connected with a power supply of the control circuit through a movable contact of the alternating current contactor KM1, and the other end of the coil is connected with the power supply of the control circuit through the starting switch SB 1; a coil of the time relay KT2 is connected with a power supply of a control circuit through a movable contact of an alternating current contactor KM 1; a coil of the hydraulic cylinder electromagnetic valve YA is connected with a power supply of the control circuit through a normally open contact of a time relay KT 2; the coil of the time relay KT3 is connected with the power supply of the control circuit through the movable contact of the alternating current contactor KM 3.

Technical Field

The invention relates to the technical field of mechanical engineering, in particular to an intelligent indexing device and an intelligent indexing control circuit.

Background

In the mechanical processing, the surface is often processed into equal angles or equal distances, such as various equal-dividing grooves, equal-dividing holes and the like. After the tool finishes processing one of the divided surfaces, the indexing device drives the workpiece to rotate by an equal angle or move by an equal distance to finish processing the next surface.

The existing dividing device with the dividing or equidistant property is complex in mechanical structure, and has some parts, a plurality of surfaces to be processed on the parts are the same, but the parts do not have the characteristic of dividing or equidistant, and the working surfaces can not be divided by the conventional dividing device with the dividing or equidistant property.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects of the prior art and provides an intelligent indexing device and an intelligent indexing control circuit.

In order to solve the technical problems, the technical scheme of the invention is as follows:

an intelligent indexing device comprises a main body,

the indexing assembly comprises an indexing disc which is rotatably arranged on the rack, an indexing disc driving device which is used for driving the indexing disc to rotate around the axis of the indexing disc driving device, and a workpiece positioning device which is used for coaxially fixing a workpiece on the indexing disc;

the indexing control assembly comprises an induction block fixedly arranged on an indexing disc, a non-contact induction switch fixed on the frame and an indexing disc positioning device used for fixing the indexing disc, wherein the non-contact induction switch is electrically connected with the indexing disc positioning device and an indexing disc driving device; and the number of the first and second groups,

and the drilling template component is used for drilling the workpiece.

As a preferable aspect of the intelligent indexing device of the present invention, wherein: the index plate driving device comprises an index motor, and the index motor is in transmission connection with a rotating shaft of the index plate through a transmission belt.

As a preferable aspect of the intelligent indexing device of the present invention, wherein: the workpiece positioning device comprises a positioning mandrel which is coaxially and fixedly arranged on the index plate, and a locking nut used for compressing the workpiece is screwed on the positioning mandrel.

As a preferable aspect of the intelligent indexing device of the present invention, wherein: the index plate positioning device comprises a pressure plate which is arranged on the frame in a swinging way, one end of the pressure plate is hinged with a piston rod of a hydraulic pump through a hinged arm, the other end of the pressure plate is positioned above the index plate, the hydraulic pump is in driving connection with a hydraulic pump driving motor,

the hydraulic pump can drive the pressure plate to swing up and down through the hinged arm, so that one end of the pressure plate is in pressure joint with the index plate or is separated from the index plate.

As a preferable aspect of the intelligent indexing device of the present invention, wherein: the induction block is fixedly arranged on the side surface of the dividing plate.

As a preferable aspect of the intelligent indexing device of the present invention, wherein: the drill plate assembly comprises a drill bit and a drill bit driving motor for driving the drill bit to rotate.

The invention also provides an intelligent indexing control circuit, which comprises a main circuit and an indexing control circuit,

the main circuit comprises an indexing motor M1, a hydraulic pump driving motor M2, a drill bit driving motor M3, alternating current contactors KM1, KM2, KM3 and a three-phase alternating current power supply, wherein the three-phase alternating current power supply supplies power to the indexing motor M1, the hydraulic pump driving motor M2 and the drill bit driving motor M3, and the alternating current contactors KM1, KM2 and KM3 are respectively connected in power supply loops of the indexing motor M1, the hydraulic pump driving motor M2 and the drill bit driving motor M3 and are respectively used for controlling the opening and closing of the indexing motor M1, the hydraulic pump driving motor M2 and the drill bit driving motor M3;

the indexing control circuit comprises an alternating current contactor KM1, an alternating current contactor KM2, an alternating current contactor KM3, a time relay KT1, a time relay KT2, a time relay KT3, a hydraulic cylinder electromagnetic valve YA, a first travel switch LS1, a second travel switch LS2, a stop switch SB1, a start switch SB2, a start switch SB4, a stop switch SB3 and a control circuit power supply,

the two ends of the coil of the alternating current contactor KM1 are respectively connected with a power supply of a control circuit through the stop switch SB1 and the start switch SB 2; one end of a coil of the KM2 of the alternating current contactor is connected with a power supply of a control circuit, and the other end of the coil is connected with the power supply of the control circuit after passing through the starting switch SB4 and the stopping switch SB3 in sequence; one end of a coil of the alternating current contactor KM3 is connected with a power supply of a control circuit, and the other end of the coil is connected with the power supply of the control circuit through the second travel switch; one end of a coil of the time relay KT1 is connected with a power supply of the control circuit through a movable contact of the alternating current contactor KM1, and the other end of the coil is connected with the power supply of the control circuit through the starting switch SB 1; a coil of the time relay KT2 is connected with a power supply of a control circuit through a movable contact of an alternating current contactor KM 1; a coil of the hydraulic cylinder electromagnetic valve YA is connected with a power supply of the control circuit through a normally open contact of a time relay KT 2; the coil of the time relay KT3 is connected with the power supply of the control circuit through the movable contact of the AC contactor KM3

The invention has the beneficial effects that:

the invention realizes the control of the indexing action through the hydraulic cylinder, the piston, the contact switch and the time relay system, not only greatly simplifies the mechanical structure of the indexing device, but also can realize the automation of the indexing operation at any angle or any distance by setting various parameters.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an intelligent indexing device provided by the present invention;

FIG. 2 is a schematic diagram of the contactless inductive switch and the inductive block in the intelligent indexing device provided by the present invention;

FIG. 3 is a schematic structural diagram of an index plate positioning device in the intelligent indexing device provided by the present invention;

FIG. 4 is a schematic circuit diagram of the intelligent indexing control circuit provided by the present invention;

wherein: 1. an indexing motor; 2. a transmission belt; 3. a bearing; 4. a bushing; 5. a sliding bearing; 6. an indexing control assembly; 7. an index plate; 8. a flat bond; 9. a workpiece; 10. positioning the mandrel; 11. a split washer; 12. locking the nut; 13. drilling a template component; 14. a frame; 15. a contactless inductive switch; 16. an induction block; 17. pressing a plate; 18. an articulated arm; 19. a piston rod; 20. a fixed piston; 21. a hydraulic pump; 22. a first travel switch; 23. a second travel switch; 24. a two-position four-way valve; 25. a spring; 26. the hydraulic pump drives the motor.

Detailed Description

In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

The embodiment provides an intelligent indexing device which comprises a machine frame 14, and an indexing assembly, an indexing control assembly 6 and a drilling template assembly 13 which are arranged on the machine frame 14. The workpiece 9 is fixedly installed on the indexing assembly, the indexing control assembly 6 controls the indexing assembly to act to drive the workpiece 9 to carry out indexing, and the drill plate assembly 13 drills the workpiece 9 after the indexing assembly finishes indexing.

Specifically, the indexing assembly comprises an indexing disc 7 which is rotatably arranged on a machine frame 14 through a bearing 3 and a bushing 4, and an indexing motor 1 which is arranged on the machine frame 14, wherein the rotating shaft of the indexing motor 1 is in transmission connection with the bearing 3 of the indexing disc 7 through a transmission belt. The dividing motor 1 can drive the dividing disc 7 to rotate around the axis thereof through a transmission belt. A workpiece 9 positioning device is fixedly mounted on the index plate 7, the workpiece 9 positioning device includes a positioning spindle 10 fixedly mounted on the index plate 7, and the positioning spindle 10 is positioned in the axial direction of the index plate 7. The workpiece 9 can be sleeved on the positioning mandrel 10, so that the workpiece 9 can synchronously rotate along with the index plate 7.

Preferably, a locking nut 12 for pressing the workpiece 9 against the indexing disk 7 is screwed onto the positioning spindle 10. The workpiece 9 is pressed downwards by the lock nut 12, so that the synchronism of the workpiece 9 and the index plate 7 can be ensured. To avoid damage to the workpiece 9 by the lock nut 12, a split washer 11 is also inserted between the lock nut 12 and the upper end face of the workpiece 9.

The indexing control assembly 6 comprises a sensing block 16 fixedly arranged on the side surface of the indexing disc 7, a contactless sensing switch 15 fixedly arranged on the frame 14 and an indexing disc 7 positioning device for fixing the indexing disc 7. Wherein, the contactless inductive switch 15 is positioned at one side of the dividing plate 7. The contactless inductive switch 15 is electrically connected with the positioning device of the index plate 7 and the index motor 1 and is used for sending control signals to the positioning device of the index plate 7 and the index motor 1 to control the work of the indexing motor 1. The positioning device of the index plate 7 comprises a column which is fixedly arranged on the frame 14 and is positioned on one side of the index plate 7, a pressure plate 17 is arranged at the upper end of the column in a swinging mode, the middle of the pressure plate 17 is rotatably arranged at the upper end of the column, the left end of the pressure plate 17 is positioned above the index plate 7, the right end of the pressure plate 17 is hinged with a hinged arm 18, and the other end of the hinged arm 18 is hinged with a piston rod 19 of a hydraulic cylinder positioned on the frame 14. The piston rod 19 can move along the horizontal direction through the driving of the hydraulic cylinder, and the pressing plate 17 can be further driven to swing up and down through the transmission action of the hinged arm 18, so that the end part of the pressing plate 17 is pressed on the index plate 7 to position and fix the index plate 7, or the end part of the pressing plate 17 is separated from the upper end surface of the index plate 7 to release the positioning and fixing effect on the index plate 7. The specific structure is schematically shown in fig. 3.

The hydraulic cylinder is driven by a hydraulic cylinder drive motor. The hydraulic cylinder driving motor is controlled by the alternating current contactor, namely when a coil of the alternating current contactor is electrified, the hydraulic cylinder driving motor is started, hydraulic oil enters the hydraulic cylinder, and therefore the hydraulic system is started.

Preferably, the piston rod 19 of the hydraulic cylinder is further connected with a return spring 25, when the ac contactor coil for controlling the hydraulic cylinder driving motor loses power, the hydraulic cylinder does not apply pressure to the piston rod 19 any more, and the return spring 25 can drive the piston rod 19 to reset at the moment, so that the automatic reset of the pressing plate 17 is realized.

In addition, a first travel switch 22 and a second travel switch 23 are fixedly mounted at predetermined positions on the frame 14, the first travel switch 22 is electrically connected with the indexing assembly, and the second travel switch 23 is electrically connected with the drilling template assembly 13. When the end part of the pressure plate 17 is pressed on the upper end surface of the dividing plate 7, the pressure plate 17 enters the induction area of the second travel switch 23, and at the moment, the second travel switch 23 sends a control signal to the drill plate assembly 13 to control the drill plate assembly 13 to perform drilling operation; when the end of the pressing plate 17 is separated from the upper end face of the index plate 7 and lifted by a certain angle, the pressing plate 17 enters the sensing area of the first travel switch 22, and at the moment, the first travel switch 22 sends a control signal to the indexing assembly, so that the indexing assembly drives the index plate 7 to rotate to perform the next indexing operation.

The drill plate assembly 13 comprises a drill driving motor installed on the frame 14, a drill connected with the drill driving motor, and a drill plate, a bushing 4, a drill bushing and other matching components. The drill bit driving motor can drive the drill bit to rotate, and drilling operation on the workpiece 9 is achieved.

It is to be understood that the drill plate assembly 13 is well known in the art and the specific structure thereof will not be described herein.

When the intelligent indexing device works, a workpiece 9 is firstly installed on the indexing disc 7 through the workpiece 9 positioning device, the cylindrical surface and the lower end surface of the positioning mandrel 10 in the workpiece 9 positioning device have a positioning function on the workpiece 9, and the opening washer 11 and the lock nut 12 realize positioning and clamping of the workpiece 9, so that the workpiece 9 can synchronously rotate along with the indexing disc 7. Then the dividing motor 1 drives the dividing disc 7 and the workpiece 9 to rotate through the transmission belt 2, when an induction block 16 on the side surface of the dividing disc 7 rotates into an induction area of the non-contact induction switch 15, the non-contact induction switch 15 sends a control signal to the dividing motor 1 and a dividing disc 7 positioning device, the dividing motor 1 stops running, the dividing disc 7 is stopped at the position, a coil of an alternating current contactor of a hydraulic cylinder driving motor is controlled to be electrified, the hydraulic cylinder driving motor is started, hydraulic oil enters the hydraulic cylinder, then a piston rod 19 moves, the end portion of a pressing plate 17 swings downwards and is pressed on the upper end face of the dividing disc 7, and the dividing disc 7 is positioned and fixed, namely, one-time dividing action is completed. At this time, the second travel switch 23 sends a control signal to the drill plate assembly 13 to control the drill plate assembly 13 to drill the predetermined position of the workpiece 9. After the drilling operation is finished, the coil of the alternating current contactor of the hydraulic cylinder driving motor is controlled to lose power, the piston rod 19 moves backwards under the action of the return spring 25, the end part of the pressure plate 17 is further lifted, the pressure plate 17 is enabled to release the fixing effect on the indexing disc 7, and at the moment, the first travel switch 22 sends a control signal to the indexing assembly, so that the indexing device can carry out the next indexing operation.

The embodiment also provides an intelligent indexing control circuit which comprises a main circuit part and an indexing control circuit part. The main circuit comprises an indexing motor M1, a hydraulic pump driving motor M2, a drill bit driving motor M3, alternating current contactors KM1, KM2 and KM3 and a three-phase alternating current power supply. The three-phase alternating current power supply supplies power to the indexing motor M1, the hydraulic pump driving motor M2 and the drill bit driving motor M3, and normally open contacts of alternating current contactors KM1, KM2 and KM3 are respectively connected to power supply loops of the indexing motor M1, the hydraulic pump driving motor M2 and the drill bit driving motor M3 and are respectively used for controlling the opening and closing of the indexing motor M1, the hydraulic pump driving motor M2 and the drill bit driving motor M3.

The indexing control circuit comprises an alternating current contactor KM1, an alternating current contactor KM2, an alternating current contactor KM3, a time relay KT1, a time relay KT2, a time relay KT3, a hydraulic cylinder electromagnetic valve YA, a first travel switch 22LS1, a second travel switch 23LS2 and a control circuit power supply.

Wherein, two ends of the coil of the AC contactor KM1 are respectively connected with a power supply of a control circuit through a stop switch SB1 and a start switch SB2, one end of the coil of the AC contactor KM2 is connected with the power supply of the control circuit, the other end is connected with the power supply of the control circuit after passing through a start switch SB4 and a stop switch SB3 in sequence, one end of the coil of the AC contactor KM3 is connected with the power supply of the control circuit, the other end is connected with the power supply of the control circuit through a second travel switch 23, one end of the coil of the time relay KT1 is connected with the power supply of the control circuit after passing through a dynamic contact of the AC contactor KM1, the other end is connected with the power supply of the control circuit through a start switch SB1, the coil of the time relay KT2 is connected with the power supply of the control circuit through a dynamic contact of the AC contactor KM1, the coil of the hydraulic cylinder electromagnetic valve YA is connected with the power supply of the control circuit through a normally open contact of the time relay KT2, the coil of the time relay KT3 is connected with the power supply of the control circuit through the movable contact of the alternating current contactor KM 3.

After a starting button SB2 is pressed, a coil of an alternating current contactor KM1 is electrified, so that a normally open contact of the alternating current contactor KM1 is attracted, an indexing motor M1 is started, and an indexing disc 77 and a workpiece 99 are driven to rotate through a transmission belt 2; when the stop button SB1 is pressed, the coil of the ac contactor KM1 is de-energized, and the index motor M1 is stopped. After the start button SB3 is pressed, the coil of the AC contactor KM2 is electrified, so that the normally open contact of the AC contactor KM2 is attracted, the hydraulic pump 21 is started, and the hydraulic system starts to work. SB4 is pressed, and the hydraulic pump 21 stops operating. When the coil of the alternating current contactor KM1 is electrified, the movable contact of the alternating current contactor KM1 is closed and self-locked, so that the coil of the time relay KT1 is electrified, the power supply of the non-contact inductive switch 15 is switched on, after the time delay of 4-6 s, the coil of the alternating current contactor KM1 is de-electrified, the main contact of the alternating current contactor is switched off, and the indexing motor 1 stops working. In addition, after the coil of the alternating current contactor KM1 is electrified, the coil of the time relay KT2 is electrified, after 0.2-0.4 s of delay, the coil of the hydraulic cylinder electromagnetic valve YA is electrified, hydraulic oil enters the lower cavity of the fixed hydraulic cylinder, the piston rod 19 moves, the pressing plate 17 is enabled to press the index plate 7 through the piston rod 19 and the hinge arm, and the workpiece 9 is fixed at the correct position after indexing and is ready for drilling. After the pressure plate 17 presses the index plate 7, a travel switch LS2 sends out a signal, a coil of an alternating current contactor KM3 is electrified, and a drill bit conducts a drilling operation through the guidance of a drill bushing. After the drilling processing is finished, a coil movable contact of the alternating current contactor KM3 is closed and self-locked, a coil of the time relay KT3 is electrified, after 2-4 s of delay, the travel switch LS1 sends out a signal, the alternating current contactor KM3 and the hydraulic cylinder electromagnetic valve YA are not electrified, the piston rod 19 moves rightwards under the action of the spring 25, and the pressing plate 17 is separated from the index plate 7.

In addition to the above embodiments, the present invention may have other embodiments; all technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.