Two-finger mechanical clamping jaw with penetrating telescopic stepping motor structure

Abstract

The utility model discloses a two-finger mechanical clamping jaw of a penetrating telescopic stepping motor structure. The two-finger mechanical clamping jaw comprises a sliding block, a movable connecting block, a sliding connecting rod, a sectional material, a trapezoidal lead screw, a mounting plate, a front end cover, an adjusting nut, a bearing, a stator iron core, magnetic steel, a rotor iron core, a rear end cover, a shaft sleeve, a sliding rail, a lead screw copper pipe and a hand wheel. The lead screw copper pipe is sleeved with the shaft sleeve, the magnetic steel, the rotor core, the bearing and the stator core, the front end cover and the rear end cover are arranged on the two sides of the stator core, the tail end of the lead screw copper pipe is fixedly connected with the hand wheel, the adjusting nut is arranged in the front end cover and fixedly connected with the mounting plate, the trapezoidal lead screw is sleeved with the lead screw copper pipe, and the other end of the trapezoidal lead screw is fixedly connected with the sliding connecting rod. The sliding connecting rod is connected in the sectional material in a sleeved mode, the installation plate and the sliding rail are fixedly installed on the two sides of the sectional material, and the sliding connecting rod is connected with the movable connecting block and the sliding block in a matched mode. The movable connecting block, the sliding connecting rod and the sliding block are connected in a matched mode, the lever principle is used for achieving releasing and tightening actions of the clamping jaw sliding block, the traditional mode that a nut and a lead screw are connected through a connecting piece for transmission is removed, and the advantages of improving the structure, simplifying the structure, reducing the machining process and assembling time and improving the machining efficiency are achieved. And the hand wheel is arranged at the tail end of the copper pipe of the lead screw, so that manual adjustment and use are facilitated when equipment is tested.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical clamps, in particular to a two-finger mechanical clamp with a penetrating telescopic stepping motor structure. Background Art

[0002] The gripping device is a basic equipment widely used in the field of industrial production and manufacturing. In the prior art, most of them are pneumatic grippers, which use compressed air as power. The working principle is to use an air compressor to convert other original output mechanical energy into air pressure energy, and then, under the action of the control element, the pressure energy is converted into mechanical energy in the form of linear motion or rotational motion through the actuator, thereby completing various actions. When positive pressure is input, the gripper is tightened to grasp, and when negative pressure is input, the gripper is loosened to release the object. Pneumatic grippers have the following defects in actual application: First, pneumatic grippers require an air source and ancillary systems, the equipment cost is relatively high, and the occasions of use are limited; second, pneumatic grippers cannot achieve precise gripping, and the gripping force is difficult to control; third, pneumatic grippers have a large exhaust noise. Utility Model Content

[0003] The utility model aims to provide a two-finger mechanical gripper with a penetrating telescopic stepping motor structure to solve the problems raised in the above-mentioned background technology.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a two-finger mechanical clamp that penetrates the telescopic stepping motor structure, including a slider, a movable connecting block, a sliding connecting rod, a profile, a trapezoidal lead screw, a mounting plate, a front end cover, an adjusting nut, a bearing, a stator core, a magnetic steel, a rotor core, a rear end cover, a bushing, a slide rail, a lead screw copper tube, and a handwheel; the lead screw copper tube is sleeved in the bushing, the magnetic steel, the rotor core, the bearing, and the stator core, and a front end cover and a rear end cover are provided on both sides of the stator core. The end of the lead screw copper tube is fixedly connected to the handwheel, an adjusting nut is provided in the front end cover and is fixedly connected to the mounting plate, the trapezoidal lead screw is sleeved in the lead screw copper tube, and the other end is fixedly connected to the sliding connecting rod, the sliding connecting rod is sleeved in the profile, and the mounting plate and the slide rail are fixedly installed on both sides of the profile, and the sliding connecting rod is cooperatively connected with the movable connecting block and the slider.

[0005] Preferably, bearings are provided inside the front cover and the rear cover, and the bearings are located at the front and rear sides of the lead screw copper tube.

[0006] Preferably, the mounting plate is installed between the profile and the front end cover, the front end cover is fixedly connected to the stator core, and an adjusting nut is provided inside the front end cover.

[0007] Preferably, the slider is sleeved in the slide rail, and the slider is connected to the movable connecting rod.

[0008] Preferably, the end of the screw copper tube is fixedly connected to the handwheel, the trapezoidal screw is sleeved in the screw copper tube, and the other end is fixedly connected to the sliding connecting rod.

[0009] The two-finger mechanical clamp with a through-retractable stepping motor structure provided by the utility model has the advantages that the driving force is transmitted by means of a screw copper tube and a trapezoidal screw in cooperation with a spiral transmission, and the release and tightening actions of the clamp slider are realized by means of a lever principle by means of a coordinated connection of an active connecting block, a sliding connecting rod and a slider. This structure eliminates the previous method of using a connecting piece to connect the nut and the screw transmission, and has the advantages of improving structural simplification, reducing processing technology and assembly time, having good stability, low operating noise, high power transmission efficiency and low manufacturing cost. A hand wheel is provided at the end of the screw copper tube for easy manual adjustment during equipment testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 It is a schematic diagram of the overall main cutaway structure of the utility model;

[0012] In the figure: 1. Sliding block; 2. Movable connecting block; 3. Sliding connecting rod; 4. Profile; 5. Trapezoidal screw; 6. Mounting plate; 7. Front cover; 8. Adjusting nut; 9. Bearing; 10. Stator core; 11. Magnetic steel; 12. Rotor core; 13. Rear cover; 14. Bushing; 15. Slide rail; 16. Screw copper tube; 17. Hand wheel DETAILED DESCRIPTION

[0013] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0014] See also Figure 1The utility model provides an embodiment: a two-finger mechanical gripper that penetrates the telescopic stepping motor structure, including: 1, a slider; 2, a movable connecting block; 3, a sliding connecting rod; 4, a profile; 5, a trapezoidal lead screw; 6, a mounting plate; 7, a front end cover; 8, an adjusting nut; 9, a bearing; 10, a stator core; 11, a magnetic steel 12, a rotor core; 13, a rear end cover; 14, a sleeve; 15, a slide rail; 16, a lead screw copper tube; 17, a hand wheel, wherein the lead screw copper tube 16 is sleeved in the 9, sleeve, 11, magnetic steel, 12, rotor core, 9, bearing, 10, and stator core, and the 10, stator core is provided with 7, a front end cover and 13, a rear end cover on both sides, and the ends of the lead screw copper tube and 17, a hand wheel Fixed connection, 7, the front end cover is provided with 8, adjusting nut and fixedly connected with 6, mounting plate, 5, trapezoidal screw is sleeved in 16, screw copper tube, and the other end is fixedly connected with 3, sliding connecting rod, 3, sliding connecting rod is sleeved in 4, profile, 4, both sides of profile are fixed with 6, mounting plate and 15, slide rail, 3, sliding connecting rod and 2, movable connecting block, 1, slider are matched and connected, 7, front end cover and 13, rear end cover are provided with 9, bearing, 9, bearing is located at the front and rear sides of 16, screw copper tube, 6, mounting plate is installed between 4, profile and 7, front end cover, 7, front end cover is fixedly connected with 10, stator core, 1, slider is sleeved in 15, slide rail, 1, slider is connected with 3, movable connecting rod

[0015] Working principle: When the utility model is used for gripper control, the motor is first energized. When the current flows through the stator winding on the stator core 10, the stator winding generates a vector magnetic field, which drives the rotor core 12 to rotate by an angle. A pulse signal is input to the motor, and the rotor core 12 rotates in one direction. The lead screw copper tube 16 is fixedly connected to the rotor core 12. The rotor core 12 rotates and the lead screw copper tube 16 rotates. The lead screw copper tube 16 is threadedly connected to the trapezoidal lead screw 5 and moves accordingly. The trapezoidal lead screw 5 moves linearly along the profile 4, driving the sliding link 3, and the sliding link 3 pushes the sliding connecting block 2, thereby realizing the release and tightening of the slider 1 through the lever principle; wherein, the trapezoidal lead screw 5 and the lead screw copper tube 16 are used to cooperate with the spiral transmission, the mounting plate 10 is used to install the front end cover 7, the bearings 9 in the front end cover 7 and the rear end cover 13 are used to assist the rotation of the lead screw copper tube 16, the stator core 10 and the rotor core 12 are used to provide a magnetic field, and the adjusting nut 8 can adjust the bearing 9 and the internal position in the front end cover 7.

[0016] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0017] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0018] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A two-finger mechanical gripper with a telescopic stepping motor structure, comprising a slider (1), a movable connecting block (2), a sliding connecting rod (3), a profile (4), a trapezoidal lead screw (5), a mounting plate (6), a front end cover (7), an adjusting nut (8), a bearing (9), a stator core (10), a magnetic steel (11), a rotor core (12), a rear end cover (13), a shaft sleeve (14), a slide rail (15), a lead screw copper tube (16), and a hand wheel (17), characterized in that: The lead screw copper tube (16) is sleeved in the shaft sleeve (14), the magnetic steel (11), the rotor core (12), the bearing (9), and the stator core (10). A front cover (7) and a rear cover (13) are arranged on both sides of the stator core (10). The end of the lead screw copper tube (16) is fixedly connected to the hand wheel (17). An adjusting nut (8) is arranged in the front cover (7) and is fixedly connected to the mounting plate (6). The trapezoidal lead screw (5) is sleeved in the lead screw copper tube (16). The other end is fixedly connected to the sliding connecting rod (3). The sliding connecting rod (3) is sleeved in the profile (4). The mounting plate (6) and the slide rail (15) are fixedly installed on both sides of the profile (4). The sliding connecting rod (3) is cooperatively connected with the movable connecting block (2) and the slider (1).

2. The two-finger mechanical gripper with a through-retractable stepping motor structure according to claim 1 is characterized in that: Bearings (9) are arranged inside the front end cover (7) and the rear end cover (13), and the bearings (9) are located at the front and rear sides of the lead screw copper tube (16).

3. The two-finger mechanical gripper with a through-retractable stepping motor structure according to claim 2 is characterized in that: The mounting plate (6) is installed between the profile (4) and the front end cover (7). The front end cover (7) is fixedly connected to the stator core (10). An adjusting nut (8) is arranged inside the front end cover (7).

4. The two-finger mechanical gripper with a through-retractable stepping motor structure according to claim 1 is characterized in that: The slide block (1) is sleeved in the slide rail (15), and the slide block (1) is connected to the movable connecting block (2).

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