CN218976496U - Two-finger mechanical clamping jaw stepping motor - Google Patents

Abstract

The utility model discloses a two-finger mechanical clamping jaw stepping motor, which comprises a section bar, a mounting plate, a sliding rail, a first end cover, a stator core, a second end cover, a screw rod shaft, magnetic steel, a rotor core, a shaft sleeve, a bearing, an adjusting nut, a connecting nut, a first connecting shaft and a movable connecting block, wherein the section bar is arranged on the mounting plate; one side of the bearing is provided with a shaft sleeve, and the shaft sleeve is arranged between the rotor iron core and the bearing; a second through hole is formed in one side of the first through hole, a second connecting shaft is sleeved in the second through hole, and the second connecting shaft is fixedly connected to the profile; compared with a pneumatic clamping jaw, the utility model adopts the stepping motor to drive the clamping jaw sliding block, and transmits driving force through the screw shaft matched with the connecting nut, and the releasing and tightening actions of the clamping jaw sliding block are realized by utilizing the lever principle, so that the pneumatic clamping jaw has the advantages of simple structure, small noise, high power transmission efficiency and low manufacturing cost, can realize accurate force control, and can be applied to various occasions capable of providing electric energy.

Description

Two-finger mechanical clamping jaw stepping motor

Technical Field

The utility model relates to the technical field of mechanical clamping jaws, in particular to a two-finger mechanical clamping jaw stepping motor.

Background

The mechanical clamping jaw is a device for clamping a workpiece, in the prior art, most of the pneumatic clamping jaw takes compressed air as power, the working principle of the pneumatic clamping jaw is that an air compressor is utilized to convert mechanical energy output by other sources into pressure energy of air, then under the action of a control element, the pressure energy is converted into mechanical energy in a linear motion or rotary motion mode through an execution element, so that various actions are completed, when positive pressure is input, the clamping jaw is gripped for grabbing, negative pressure is input, and the clamping jaw releases a released object; the following defects exist in the practical application of the pneumatic clamping jaw: firstly, the pneumatic clamping jaw needs to be provided with an air source and an auxiliary system, so that the equipment cost is high, and the use occasion is limited; secondly, the pneumatic clamping jaw cannot realize accurate clamping, and the clamping force is difficult to control; thirdly, the pneumatic clamping jaw has larger exhaust noise.

Disclosure of Invention

The utility model aims to provide a two-finger mechanical clamping jaw stepping motor so as to solve the problems in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a two indicate mechanical clamping jaw step motor, which comprises a section bar, the one end fixedly connected with mounting panel of section bar, fixedly connected with first end cover on the mounting panel, fixedly connected with stator core on the first end cover, fixedly connected with second end cover on the stator core, be provided with the bearing in first end cover and the second end cover respectively, install the screw shaft on the mounting panel, and the screw shaft passes and locate in two bearings, be provided with magnet steel and rotor core in the stator core, and magnet steel and rotor core all cup joint on the screw shaft, all be provided with a magnet steel between every two rotor core, the one end threaded connection of screw shaft has coupling nut, and coupling nut sliding connection is on the section bar, the last articulated two movable connection piece that has of coupling nut, and the movable connection piece rotates to be connected on the section bar, the other end fixedly connected with slide rail of section bar, sliding connection has two sliders on the slide rail, and two sliders articulate respectively on the movable connection piece.

Preferably, a shaft sleeve is arranged on one side of the bearing, and the shaft sleeve is arranged between the rotor core and the bearing.

Preferably, the first end cover is internally connected with an adjusting nut in a threaded manner, and the adjusting nut is sleeved on the screw rod shaft.

Preferably, the connecting nut is fixedly connected with a first connecting shaft, the movable connecting block is provided with a first through hole, and the first connecting shaft is sleeved in the first through hole.

Preferably, a second through hole is formed in one side of the first through hole, a second connecting shaft is sleeved in the second through hole, and the second connecting shaft is fixedly connected to the section bar.

The two-finger mechanical clamping jaw stepping motor provided by the utility model has the advantages that: the utility model adopts the stepping motor to drive the clamping jaw sliding block, and transmits the driving force through the screw shaft matched with the connecting nut, and realizes the releasing and tightening actions of the clamping jaw sliding block by utilizing the lever principle, thereby having the advantages of simple structure, small noise, high power transmission efficiency and low manufacturing cost, being capable of realizing accurate force control and being applied to various occasions capable of providing electric energy.

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 required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall front cut-away structure of the present utility model;

in the figure: 1. a section bar; 10. a mounting plate; 11. a slide rail; 2. a first end cap; 20. a stator core; 21. a second end cap; 22. a screw shaft; 23. magnetic steel; 24. a rotor core; 25. a shaft sleeve; 26. a bearing; 27. an adjusting nut; 28. a slide block; 29. a coupling nut; 210. a first connecting shaft; 211. a movable connecting block; 212. a first through hole; 213. a second through hole; 214. and a second connecting shaft.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

Referring to fig. 1, an embodiment of the present utility model is provided: the two-finger mechanical clamping jaw stepping motor comprises a section bar 1, wherein one end of the section bar 1 is fixedly connected with a mounting plate 10, a first end cover 2 is fixedly connected to the mounting plate 10, a stator iron core 20 is fixedly connected to the first end cover 2, a second end cover 21 is fixedly connected to the stator iron core 20, bearings 26 are respectively arranged in the first end cover 2 and the second end cover 21, a screw shaft 22 is arranged on the mounting plate 10, the screw shaft 22 penetrates through and is arranged in the two bearings 26, a magnetic steel 23 and a rotor iron core 24 are arranged in the stator iron core 20, the magnetic steel 23 and the rotor iron core 24 are sleeved on the screw shaft 22, one magnetic steel 23 is arranged between each two rotor iron cores 24, one end of the screw shaft 22 is in threaded connection with a connecting nut 29, the connecting nut 29 is in sliding connection with the section bar 1, two movable connecting blocks 211 are hinged to the connecting nut 29, the other end of the section bar 1 is fixedly connected with a sliding rail 11, two sliding blocks 28 are in sliding connection with the sliding rail 11, and the two sliding blocks 28 are respectively hinged to the movable connecting blocks 211; a shaft sleeve 25 is arranged on one side of the bearing 26, and the shaft sleeve 25 is arranged between the rotor core 24 and the bearing 26; an adjusting nut 27 is connected with the first end cover 2 through internal threads, and the adjusting nut 27 is sleeved on the screw rod shaft 22; the connecting nut 29 is fixedly connected with a first connecting shaft 210, the movable connecting block 211 is provided with a first through hole 212, and the first connecting shaft 210 is sleeved in the first through hole 212; a second through hole 213 is arranged at one side of the first through hole 212, a second connecting shaft 214 is sleeved in the second through hole 213, and the second connecting shaft 214 is fixedly connected to the section bar 1.

Working principle: when the clamping jaw control device is used for clamping jaw control, firstly, a motor is electrified, when current flows through stator windings on a stator core 20, the stator windings generate a vector magnetic field, the magnetic field drives a rotor core 24 to rotate for a certain angle, pulse signals are input to the motor, the rotor core 24 rotates towards one direction, the rotor core 24 rotates to carry out rotary motion along a screw rod shaft 22, a connecting nut 29 in threaded connection with the screw rod shaft 22 moves along with the screw rod shaft, the connecting nut 29 moves along a section bar 1 in a straight line, a first connecting shaft 210 in a first through hole 212 drives a movable connecting block 211, the movable connecting block 211 rotates for a certain angle around a second connecting shaft 214 in a second through hole 213, the movable connecting block 211 drives a sliding block 28 to slide along a sliding rail 11, and the releasing and tightening actions of the sliding block 28 are realized through a lever principle; wherein the mounting plate 10 is used for mounting the first end cover 2, the bearings 26 in the first end cover 2 and the second end cover 21 are used for assisting the rotation of the screw shaft 22, the stator core 20 and the rotor core 24 are used for providing a magnetic field, and the adjusting nuts 27 can adjust the bearings 26 and the internal positions in the first end cover 2.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (5)

1. Two indicate mechanical clamping jaw stepper motor, including section bar (1), its characterized in that: one end fixedly connected with mounting panel (10) of section bar (1), fixedly connected with first end cap (2) on mounting panel (10), fixedly connected with stator core (20) on first end cap (2), fixedly connected with second end cap (21) on stator core (20), be provided with bearing (26) in first end cap (2) and second end cap (21) respectively, install screw shaft (22) on mounting panel (10), and screw shaft (22) pass and locate in two bearing (26), be provided with magnet steel (23) and rotor core (24) in stator core (20), and magnet steel (23) and rotor core (24) all cup joint on screw shaft (22), all be provided with a magnet steel (23) between every two rotor cores (24), one end threaded connection of screw shaft (22) has coupling nut (29), and coupling nut (29) sliding connection is on section bar (1), it has two movable connecting pieces (211) to articulate on coupling nut (29), and movable connecting piece (211) rotate and connect on section bar (1), the other end (1) is connected with two slide rails (11) fixedly connected with slide rail (11), and the two sliding blocks (28) are respectively hinged on the movable connecting block (211).

2. The two-finger mechanical jaw stepper motor of claim 1, wherein: a shaft sleeve (25) is arranged on one side of the bearing (26), and the shaft sleeve (25) is arranged between the rotor core (24) and the bearing (26).

3. The two-finger mechanical jaw stepper motor of claim 1, wherein: an adjusting nut (27) is connected with the first end cover (2) through internal threads, and the adjusting nut (27) is sleeved on the screw rod shaft (22).

4. The two-finger mechanical jaw stepper motor of claim 1, wherein: the connecting nut (29) is fixedly connected with a first connecting shaft (210), the movable connecting block (211) is provided with a first through hole (212), and the first connecting shaft (210) is sleeved in the first through hole (212).

5. The two-finger mechanical jaw stepper motor of claim 4, wherein: one side of the first through hole (212) is provided with a second through hole (213), a second connecting shaft (214) is sleeved in the second through hole (213), and the second connecting shaft (214) is fixedly connected to the profile (1).

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