CN214281853U

CN214281853U - Contactless switch support for crankshaft rotation speed measurement and phase position quasi-stop control system

Info

Publication number: CN214281853U
Application number: CN202120411012.9U
Authority: CN
Inventors: 刘珂
Original assignee: Wuxi Gulute Precision Machinery Co ltd
Current assignee: Wuxi Gulute Precision Machinery Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-09-24
Anticipated expiration: 2031-02-25

Abstract

The utility model discloses a bent axle gyration is tested speed and accurate for control system contactless switch support that stops of phase place, which comprises an outer shell, the internally mounted of shell has contactless switch body, and the bottom outer wall both sides of shell all weld the sleeve pipe, equal sliding connection has the slip pipe in the sleeve pipe, and the bottom of slip pipe all welds the lantern ring, the cover is equipped with the slide bar in the lantern ring, and the welding of one side outer wall center department of shell has the installation piece, and the inside of installation piece is rotated and is connected with the regulation structure, and the one end of adjusting the structure is connected with the connecting block. The utility model discloses a when using the lathe is alleviated in the cyclic motion between movable rod and the connecting rod, follow the range that the bent axle work piece removed, installation pole and connecting rod can carry out the level (l) ing fixed, compare in traditional mode, are favorable to the bent axle when the lathe operation, and the contactless switch body follows the lathe instrument and removes, are favorable to improving the stability of contactless switch body, are favorable to saving operating time, are favorable to saving the cost.

Description

Contactless switch support for crankshaft rotation speed measurement and phase position quasi-stop control system

Technical Field

The utility model relates to a contactless switch support technical field especially relates to bent axle gyration is tested speed and accurate for stopping control system contactless switch support of phase place.

Background

With the continuous progress and development of science and technology and industrial level, the application of numerical control machine tools in the field of industrial manufacturing is more and more common. The manufacturing industry is also demanding higher and higher on the efficiency, handling and safety of numerically controlled machine tools. The numerical control follow-up type crankshaft grinding machine with high precision, high efficiency and low energy consumption plays a critical role in the processing of the crankshaft workpiece of the engine. The mechanical arm of the crankshaft workpiece processing production line has special requirements on the phase angle of the crankshaft workpiece after processing, so that the follow-up crankshaft grinding machine is required to automatically realize the accurate stop of the crankshaft workpiece according to the required phase; meanwhile, in order to prevent the workpiece from accidentally separating from the chuck to cause the stalling and damage of the crankshaft workpiece, even the personal injury caused by the collision between the grinding wheel and the crankshaft workpiece, the follow-up crankshaft grinding machine must have the functions of automatically detecting the rotating speed of the workpiece in real time and carrying out emergency protection. In the field of manufacturing of follow-up crankshaft grinding machines, in order to achieve accurate crankshaft workpiece rotation speed control, a numerical control servo motor is basically adopted, closed-loop speed control is performed by means of an encoder feedback signal at the shaft end of the servo motor, but the method can only monitor the rotation speed of the servo motor in real time, and if the crankshaft workpiece is separated from the servo motor due to a clamping device, and the crankshaft workpiece is stalled, the method cannot be used. In addition, the equipment for rotating and measuring the speed of the crankshaft workpiece is complex and expensive. In the prior art, there are basically two ways for the phase stop of the crankshaft workpiece: one is a mechanical mode, but the structure is complex, the machine tool is used more on early numerical control machines, and the machine tool is basically eliminated at present; the other is an electrical mode, which is mainly based on a numerical control servo system and carries out quasi-stop positioning by utilizing the main shaft orientation function of a servo motor or the feedback of an encoder, but the mode has higher cost and more complex control; at present, a system for controlling the rotation speed measurement and phase accurate stop of a crankshaft workpiece comprises a PLC of a numerical control machine tool and a non-contact switch body arranged on the numerical control machine tool, wherein the non-contact switch body is directly arranged on a workbench of the numerical control machine tool according to the shape characteristics and phase accurate stop requirements of the crankshaft workpiece, so that when the crankshaft workpiece rotates for one circle, the non-contact switch body sends a pulse signal, the signaling position of the non-contact switch body corresponds to the accurate stop position of the crankshaft workpiece, when the crankshaft workpiece is in a working rotation state, the PLC carries out rotation speed measurement processing by taking the pulse signal as a reset signal, when the crankshaft workpiece is in the accurate stop rotation state, the PLC carries out phase accurate stop processing by taking the pulse signal as a reset signal and a counting signal, and because the non-contact switch body is arranged in the tool and rotates along with the crankshaft workpiece when the crankshaft workpiece rotates, resulting in troublesome operation of the contactless switch body.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings existing in the prior art, and the provided crankshaft rotation speed measurement and phase position accurate stop control system uses contactless switch support.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a contactless switch support for a crankshaft rotation speed measurement and phase position stop control system comprises a shell, wherein a contactless switch body is installed inside the shell, sleeves are welded on two sides of the outer wall of the bottom of the shell, sliding pipes are connected in the sleeves in a sliding mode, lantern rings are welded on the bottoms of the sliding pipes, sliding rods are sleeved in the lantern rings, an installation block is welded in the center of the outer wall of one side of the shell, an adjusting structure is connected to the center of the outer wall of one side of the shell in a rotating mode, one end of the adjusting structure is connected with a connecting block, a movable rod is connected to the outer wall of the other side of the connecting block in a rotating mode, a connecting rod is connected to the other end of the movable rod in a sliding mode, an installation plate is welded to the other end of the installation rod, grooves are formed in the centers of two ends of the connecting rod, and a position limiting shaft is fixed to one end of each groove, one end of the movable rod is provided with a movable groove matched with the limit shaft, and the movable rod slides at one end of the connecting rod.

Preferably, spherical hole has been seted up to the inside of installation piece, and the top of installation piece and one side have all seted up the expansion joint, adjust the structure and include bulb and fastening staple bolt, the outer wall at the bulb is established to the fastening staple bolt cover, and the bulb is placed in the spherical hole in the installation piece, the one end of bulb and the one end of fastening staple bolt extend to installation piece outer wall through the expansion joint, and the one end and the connecting block one end welding of bulb, the bulb passes through the bolt and is fastened the staple bolt fastening.

Preferably, the connecting rod is kept away from the recess both sides of movable rod one end and all is welded the disc, and the surface of disc sets up the regulation hole that the equidistance distributes, the locating hole has all been seted up to the one end that the connecting rod is located the movable rod and the one end that the installation pole is located the disc.

Preferably, the outer walls of the sleeve and one side of the sliding pipe are provided with adjusting holes distributed at equal intervals, adjusting pins are inserted in the adjusting holes, and the adjusting pins consist of two pin shafts.

Preferably, the lantern ring is connected to the surface of the sliding rod in a sliding mode, a sliding ring is welded to the outer wall of the top of the shell, and a limiting rod slides on the inner wall of the sliding ring.

Preferably, the outer wall of one side of the connecting block, which is far away from the ball head, is welded with a rotating shaft, and one end of the movable rod is rotatably connected in the rotating shaft.

The utility model has the advantages that:

1. the welding limiting rod and the sliding rod at one side of the machine tool are realized through a shell, a non-contact switch body, a sleeve, a sliding tube, a sleeve ring, a sliding rod, an adjusting pin, an installation block, an adjusting structure, a connecting block, a movable rod, a connecting rod, an installation plate, a limiting shaft, a movable groove, a fixed hole, a ball head, a fastening hoop and a disc, the shell is arranged between the limiting rod and the sliding rod, the non-contact switch body is installed in the shell, the shell integrally slides between the sliding rod and the limiting rod, the angle is freely adjusted through the ball head and the fastening hoop in the installation block at the back of the shell, when the machine tool is released through the circulating motion between the movable rod and the connecting rod, the amplitude of the movement of a crankshaft workpiece is followed, the installation plate is installed on a moving tool of the machine tool, the installation rod and the connecting rod can be horizontally adjusted and fixed, compared with the traditional mode, the operation of the crankshaft on the machine tool is facilitated, the contactless switch body moves along with the machine tool, so that the stability of the contactless switch body is improved, the operation time is saved, and the cost is saved.

Drawings

Fig. 1 is a schematic side view of a contactless switch bracket for a crankshaft rotation speed measurement and phase stop control system according to the present invention;

fig. 2 is a schematic view of a contactless switch bracket for a crankshaft rotation speed measurement and phase stop control system according to the present invention;

FIG. 3 is a schematic view of the structure of the movable rod and the connecting rod of the non-contact switch bracket for the crankshaft rotation speed measurement and phase stop control system of the present invention;

FIG. 4 is a schematic view of the fastening hoop structure of the non-contact switch bracket for the crankshaft rotation speed measurement and phase stop control system of the present invention;

fig. 5 is the disc structure diagram of the contactless switch bracket for crankshaft rotation speed measurement and phase position accurate stop control system provided by the utility model.

In the figure: the device comprises a shell 1, a contactless switch body 2, a sleeve 3, a sliding tube 4, a lantern ring 5, a sliding rod 6, an adjusting pin 7, an installation block 8, an adjusting structure 9, a connection block 10, a movable rod 11, a connecting rod 12, an installation rod 13, an installation plate 14, a limiting shaft 15, a movable groove 16, a fixed hole 17, a ball head 18, a fastening hoop 19 and a disc 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a contactless switch bracket for a crankshaft rotation speed measurement and phase position power-off control system comprises a housing 1, a contactless switch body 2 is installed inside the housing 1, sleeves 3 are welded on two sides of the outer wall of the bottom of the housing 1, a sliding tube 4 is connected inside the sleeves 3 in a sliding manner, a sleeve ring 5 is welded on the bottom of the sliding tube 4, a sliding rod 6 is sleeved in the sleeve ring 5, an installation block 8 is welded at the center of the outer wall of one side of the housing 1, an adjusting structure 9 is connected inside the installation block 8 in a rotating manner, one end of the adjusting structure 9 is connected with a connecting block 10, a movable rod 11 is connected on the outer wall of the other side of the connecting block 10 in a rotating manner, a connecting rod 12 is connected on the other end of the movable rod 11 in a sliding manner, an installation rod 13 is connected on the other end of the connecting rod 12 in a rotating manner, and an installation plate 14 is welded on the other end of the installation rod 13, the center of the two ends of the connecting rod 12 is provided with a groove, one end of the groove is fixed with a limiting shaft 15, one end of the movable rod 11 is provided with a movable groove 16 matched with the limiting shaft 15, the movable rod 11 slides at one end of the connecting rod 12, the mounting block 8 is internally provided with a spherical hole, the top and one side of the mounting block 8 are provided with movable openings, the adjusting structure 9 comprises a ball head 18 and a fastening hoop 19, the fastening hoop 19 is sleeved on the outer wall of the ball head 18, the ball head 18 is placed in the spherical hole in the mounting block 8, one end of the ball head 18 and one end of the fastening hoop 19 extend to the outer wall of the mounting block 8 through the movable openings, one end of the ball head 18 is welded with one end of the connecting block 10, the ball head 18 is fastened by the fastening hoop 19 through a bolt, and discs 20 are welded on two sides of the groove at one end of the connecting rod 12 far away from the movable rod 11, adjusting holes are formed in the surface of the disc 20 and distributed equidistantly, positioning holes are formed in one end, located on the movable rod 11, of the connecting rod 12 and one end, located on the disc 20, of the mounting rod 13, adjusting holes are formed in the outer walls of one sides of the sleeve 3 and the sliding tube 4 and distributed equidistantly, adjusting pins 7 are inserted into the adjusting holes, each adjusting pin 7 consists of two pin shafts, the lantern ring 5 is connected to the surface of the sliding rod 6 in a sliding mode, a sliding ring is welded to the outer wall of the top of the shell 1, the limiting rod slides on the inner wall of the sliding ring, a rotating shaft is welded to the outer wall, located on one side, away from the ball head 18, of the connecting block 10, and one end of the movable rod 11 is rotatably connected into the rotating shaft;

the welding limiting rod and the sliding rod 6 at one side of the machine tool are realized through a shell 1, a non-contact switch body 2, a sleeve 3, a sliding tube 4, a lantern ring 5, a sliding rod 6, an adjusting pin 7, an installation block 8, an adjusting structure 9, a connecting block 10, a movable rod 11, a connecting rod 12, an installation rod 13, an installation plate 14, a limiting shaft 15, a movable groove 16, a fixed hole 17, a ball head 18, a fastening hoop 19 and a disc 20, the shell 1 is arranged between the limiting rod and the sliding rod 6, the non-contact switch body 2 is installed in the shell 1, the shell 1 integrally slides between the sliding rod 6 and the limiting rod, the angle is freely adjusted through the ball head 18 and the fastening hoop 19 in the installation block 8 at the back of the shell 6, and then when the machine tool is relieved through the circulating motion between the movable rod 11 and the connecting rod 12 to use, the installation plate 14 is installed on a moving tool of the machine tool, the installation rod 13 and the connecting rod 12 can be horizontally adjusted and fixed, compare in traditional mode, be favorable to the bent axle when the lathe operation, contactless switch body 2 follows the lathe instrument and removes, is favorable to improving the stability of contactless switch body 2, is favorable to saving operating time, is favorable to saving the cost, is convenient for operate.

The working principle is as follows: the welding of the limiting rod and the sliding rod 6 at one side of the machine tool is realized through a shell 1, a non-contact switch body 2, a sleeve 3, a sliding tube 4, a lantern ring 5, a sliding rod 6, an adjusting pin 7, a mounting block 8, an adjusting structure 9, a connecting block 10, a movable rod 11, a connecting rod 12, a mounting rod 13, a mounting plate 14, a limiting shaft 15, a movable groove 16, a fixed hole 17, a ball head 18, a fastening hoop 19 and a disc 20, the shell 1 is arranged between the limiting rod and the sliding rod 6, the non-contact switch body 2 is mounted in the shell 1, the shell 1 integrally slides between the sliding rod 6 and the limiting rod, the angle can be freely adjusted through the ball head 18 and the fastening hoop 19 in the mounting block 8 at the back of the shell 6, and then when the machine tool is released to use through the circulating motion between the movable rod 11 and the connecting rod 12, the mounting plate 14 is mounted on the moving tool of the machine tool following the amplitude of the movement of the crankshaft workpiece, and the mounting rod 13 and the connecting rod 12 can be horizontally adjusted and fixed.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The contactless switch support for the crankshaft rotation speed measurement and phase position stop control system comprises a shell (1) and is characterized in that a contactless switch body (2) is installed inside the shell (1), sleeves (3) are welded on two sides of the outer wall of the bottom of the shell (1), a sliding pipe (4) is connected inside the sleeves (3) in a sliding mode, a lantern ring (5) is welded on the bottom of the sliding pipe (4), a sliding rod (6) is sleeved in the lantern ring (5), an installation block (8) is welded in the center of the outer wall of one side of the shell (1), an adjusting structure (9) is connected inside the installation block (8) in a rotating mode, one end of the adjusting structure (9) is connected with a connecting block (10), a movable rod (11) is connected on the outer wall of the other side of the connecting block (10) in a rotating mode, and a connecting rod (12) is connected on the other end of the movable rod (11) in a sliding mode, and the other end of connecting rod (12) rotates and is connected with installation pole (13), the other end welding of installation pole (13) has mounting panel (14), the both ends center department of connecting rod (12) all offers flutedly, and the one end of recess is fixed with spacing axle (15), movable groove (16) with spacing axle (15) looks adaptation is seted up to the one end of movable rod (11), and movable rod (11) slide in the one end of connecting rod (12).

2. The contactless switch bracket for the crankshaft rotation speed measurement and phase stop control system according to claim 1, wherein a spherical hole is formed inside the mounting block (8), the top and one side of the mounting block (8) are both provided with a movable opening, the adjusting structure (9) comprises a ball head (18) and a fastening hoop (19), the fastening hoop (19) is sleeved on the outer wall of the ball head (18), the ball head (18) is placed in the spherical hole in the mounting block (8), one end of the ball head (18) and one end of the fastening hoop (19) extend to the outer wall of the mounting block (8) through the movable opening, one end of the ball head (18) is welded with one end of the connecting block (10), and the ball head (18) is fastened by the fastening hoop (19) through a bolt.

3. The contactless switch bracket for the crankshaft revolution speed measurement and phase stop control system according to claim 1, wherein the discs (20) are welded to both sides of the groove at the end of the connecting rod (12) far away from the movable rod (11), the surfaces of the discs (20) are provided with adjusting holes distributed equidistantly, and the ends of the connecting rod (12) located at the movable rod (11) and the end of the mounting rod (13) located at the discs (20) are provided with positioning holes.

4. The contactless switch bracket for the crankshaft revolution speed measurement and phase stop control system according to claim 1, wherein the outer walls of one side of the sleeve (3) and one side of the sliding tube (4) are provided with adjusting holes which are distributed equidistantly, adjusting pins (7) are inserted into the adjusting holes, and the adjusting pins (7) are composed of two pin shafts.

5. The contactless switch bracket for crankshaft revolution speed measurement and phase stop control system according to claim 1, wherein the lantern ring (5) is slidably connected to the surface of the sliding rod (6), and a sliding ring is welded on the outer wall of the top of the housing (1), and a limit rod slides on the inner wall of the sliding ring.

6. The contactless switch bracket for the crankshaft revolution speed measurement and phase stop control system according to claim 1, wherein a rotating shaft is welded on the outer wall of one side of the connecting block (10) far away from the ball head (18), and one end of the movable rod (11) is rotatably connected in the rotating shaft.