CN215789908U

CN215789908U - Miniature rotary electric clamping jaw

Info

Publication number: CN215789908U
Application number: CN202122116093.2U
Authority: CN
Inventors: 武帅; 刘振; 曾令春; 王瑞
Original assignee: Hefei Hagong Huicai Intelligent Technology Co ltd
Current assignee: Hefei Hagong Huicai Intelligent Technology Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-02-11
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a miniature rotary electric clamping jaw, which comprises a clamping jaw unit and clamping jaw fingers symmetrically arranged along the central line of the clamping jaw unit in the length direction, wherein the driving end of the clamping jaw unit drives the clamping jaw fingers to move oppositely to clamp an oil tank cover, and a driving module drives the clamping jaw unit to rotate to open and/or close the oil tank cover; the oil tank cap clamping surface that the clamping jaw indicates includes the plane centre gripping section with the flat handle looks adaptation of oil tank cap, the plane centre gripping section is sunken in order to form the cambered surface centre gripping section with the round handle looks adaptation of oil tank cap from the mid point to keeping away from the oil tank cap direction. The improved clamping jaw finger can adapt to oil tank caps with different handle types, can stably clamp various oil tank caps, and is high in stability in the oil filling process.

Description

Miniature rotary electric clamping jaw

Technical Field

The utility model relates to the field of oiling robots, in particular to a miniature rotary electric clamping jaw.

Background

The vehicle refueling robot is a new robot application field appearing in recent years, vehicle refueling firstly needs to enable the robot to open a vehicle fuel tank cover, and therefore a set of cover opening mechanisms are often mounted on an end effector of the vehicle refueling robot. The lid release mechanism is typically designed as a set of rotatable jaws. The rotating clamping jaw consists of a clamping jaw and a rotating device, and can clamp the fuel tank cover and rotate for multiple circles to open the fuel tank cover.

The handle of the fuel tank cap basically comprises the following components: the flat linear type handle, the round handle and the composite type handle with the round middle and two flat ends have different types of handles of the oil tank cover, so that when the handles with different types are clamped by the common clamping jaw, the handles can slip and move in the clamping process, the stability of the oiling process is low, and the oiling process is influenced; in addition, the whole length of the cover opening mechanism is long, so that the cover opening mechanism cannot be applied to narrow and small operation scenes such as screwing of a truck fuel tank cover and the like, and therefore urgent solution needs to be provided.

Disclosure of Invention

To avoid and overcome the technical problems of the prior art, the present invention provides a miniature rotary motorized jaw. The cover opening mechanism can adapt to most of oil tank covers with different handle models, and improves the clamping stability in the oil filling process.

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

the miniature rotary electric clamping jaw comprises a clamping jaw unit and clamping jaw fingers symmetrically arranged along the central line of the clamping jaw unit along the length direction, a driving end of the clamping jaw unit drives the clamping jaw fingers to move oppositely to clamp the oil tank cover, and a driving module drives the clamping jaw unit to rotate to open and/or close the oil tank cover; the oil tank cap clamping surface that the clamping jaw indicates includes the plane centre gripping section with the flat handle looks adaptation of oil tank cap, the plane centre gripping section is sunken in order to form the cambered surface centre gripping section with the round handle looks adaptation of oil tank cap from the mid point to keeping away from the oil tank cap direction.

As a further scheme of the utility model: the driving module comprises a transmission gear and a driving gear which are arranged in a flat shell and are meshed with each other, a driving motor for driving the transmission gear to rotate is arranged on the shell, the driving gear is coaxially fixed on a mounting seat for fixing the clamping jaw unit, and the mounting seat is in rotary fit with the shell; the central line of the clamping jaw unit along the length direction is coincident with the axis of the driving gear.

As a still further scheme of the utility model: the mounting seat is in rotary fit with the shell through a bearing; the transmission gear is coaxially fixed on a motor shaft of the driving motor.

As a still further scheme of the utility model: and a silica gel pad is paved on the clamping surface of the oil tank cover of the clamping jaw finger.

As a still further scheme of the utility model: the drive end of the clamping jaw unit is a guide rail sliding block matched with the clamping jaw unit sliding rail, a positioning groove matched with the guide rail sliding block in shape is formed in the clamping jaw finger along the sliding direction of the guide rail sliding block, the clamping jaw finger is in sliding fit with the guide rail sliding block through the positioning groove, and the clamping jaw finger can slide along the length direction of the positioning groove and then is fixed.

As a still further scheme of the utility model: the locating slot is a C-shaped slot.

As a still further scheme of the utility model: after the clamping jaw fingers slide to the designated positions along the length direction of the positioning grooves, the positioning pins penetrate through the clamping jaw fingers and are fixedly connected with the guide rail sliding blocks.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the clamping surface of the oil tank cover of the clamping jaw finger consists of the plane clamping section and the cambered surface clamping section formed by sinking from the middle part of the plane clamping section, and aiming at the flat linear type handle, the plane clamping section can be fully contacted with the handle, so that the clamping area is increased; for a circular handle, the cambered surface clamping section can be in full contact with the circular handle instead of point-to-point contact; aiming at the composite handle, the cambered surface clamping section can be well contacted with the middle circular part of the composite handle, and the plane clamping section can be fully contacted with the flat parts at the two ends of the composite handle so as to improve the clamping area; to sum up, the clamping jaw finger after the improvement is adaptable all kinds of fuel tank caps that the handle model differs, to all kinds of fuel tank cap homoenergetic stable centre gripping, refuel process stability is high.

2. The utility model is characterized in that a transmission gear and a driving gear which are meshed with each other are fixed in a flat shell, wherein the transmission gear drives the transmission gear to rotate through a driving motor, and the driving gear drives a clamping jaw unit to rotate through the meshing of the gear so as to generate the action of opening or closing an oil tank cover; through gear engagement, make driving motor and the clamping jaw unit position of power supply stagger, do not set up on same straight line, shortened the whole length of mechanism of uncapping, make the mechanism of uncapping can use in narrow and small operation scene.

3. According to the utility model, the silicone pad is laid on the clamping surface of the oil tank cover of the finger of the clamping jaw, and the silicone pad can deform firstly in the clamping process, so that the silicone pad is fully contacted with the handle of the oil tank cover, the friction force in the clamping process is improved, and the stability in the clamping process is further improved.

4. The clamping jaw fingers are in sliding fit with the guide rail sliding block through the positioning grooves, fine adjustment of the position of the clamping jaw fingers along the clamping direction can be performed before work, the degree of freedom of the clamping jaw fingers is limited through the matching of the positioning pins and the C-shaped grooves after fine adjustment is completed, the clamping jaw fingers and the guide rail sliding block are integrated, and the clamping stability is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of another embodiment of the present invention.

Fig. 3 is a schematic structural view of the inside of the housing.

In the figure: 1. a housing; 11. a mounting seat; 12. a drive gear; 13. a transmission gear;

2. a jaw unit; 3. a jaw finger; 31. a planar clamping section; 32. a cambered surface clamping section;

33. a silica gel pad; 34. positioning pins; 35. a guide rail slider; 36. positioning a groove; 4. the motor is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, the micro rotary electric clamping jaw includes a clamping jaw unit 2, two sets of guide rail sliders 35 symmetrically arranged about a center line of the clamping jaw unit 2 along a length direction are disposed on the clamping jaw unit 2, and the two sets of guide rail sliders 35 are engaged with the slide rails of the clamping jaw unit 2 so as to move in opposite directions. The two groups of guide rail sliding blocks 35 are respectively provided with a group of clamping jaw fingers 3, and the two groups of clamping jaw fingers 3 are also symmetrically arranged relative to the central line of the clamping jaw unit 2 along the length direction.

The assembly surface of the clamping jaw finger 3 is provided with a positioning groove 36 along the sliding direction of the guide rail sliding block 35, and after the clamping jaw finger 3 slides to a specified position relative to the guide rail sliding block 35 along the length direction of the positioning groove 36, the positioning pin 34 penetrates through the clamping jaw finger 3 and is fixedly connected with the guide rail sliding block 35. The shape of the positioning groove 36 is not limited, and the positioning groove can be matched with the shape of the guide rail slide block 35 to position the clamping jaw finger 3, and is preferably a C-shaped groove.

The clamping jaw unit 2 drives the two groups of guide rail sliding blocks 35 to move oppositely so as to drive the two groups of clamping jaw fingers 3 to clamp the handle of the oil tank cover.

The oil tank cover clamping surface of the clamping jaw finger 3 is a plane clamping section 31, and the plane clamping section 31 is matched with the flat handle; the middle point of the plane clamping section 31 is concave towards the direction far away from the oil tank cover so as to form an arc surface clamping section 32, and the arc surface clamping section 32 is matched with the round handle part of the oil tank cover. The oil tank cover clamping surface of the clamping jaw finger 3 is paved with a silica gel pad 33 to improve the friction force during clamping.

The clamping jaw unit 2 is fixed on a driving module capable of driving the clamping jaw unit to rotate, the type of the driving module is not limited, and the clamping jaw unit 2 can be driven to rotate so as to open or close the oil tank cover.

The driving module is preferably provided in the housing 1 with a transmission gear 13 and a driving gear 12, the transmission gear 13 and the driving gear 12 being in mesh with each other. The shell 1 is flat, a driving motor 4 is fixed on the shell 1, and a transmission gear 13 is coaxially fixed on a motor shaft of the driving motor 4. Set up the activity chamber on the shell 1 and pass in order to supply clamping jaw unit 2, activity chamber department is fixed with mount pad 11, through bearing normal running fit between mount pad 11 and the shell 1, and drive gear 12 fixes on mount pad 11, the axis of drive gear 12, the axis of mount pad 11 and clamping jaw unit 2 coincide along length direction's axis.

The miniature rotary electric clamping jaw is controlled by the manipulator and moves to the oil tank cover.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The miniature rotary electric clamping jaw is characterized by comprising a clamping jaw unit (2) and clamping jaw fingers (3) symmetrically arranged along the central line of the clamping jaw unit (2) along the length direction, wherein the clamping jaw fingers (3) are driven by a driving end of the clamping jaw unit (2) to move oppositely to clamp an oil tank cover, and a driving module drives the clamping jaw unit (2) to rotate to open and/or close the oil tank cover; the oil tank cap clamping face of clamping jaw finger (3) includes plane centre gripping section (31) with the flat handle looks adaptation of oil tank cap, plane centre gripping section (31) are sunken in order to form cambered surface centre gripping section (32) with the round handle looks adaptation of oil tank cap from the mid point to keeping away from the oil tank cap direction.

2. The miniature rotary electric clamping jaw according to claim 1, wherein the driving module comprises a transmission gear (13) and a driving gear (12) which are arranged in a flat shell (1) and are meshed with each other, a driving motor (4) for driving the transmission gear (13) to rotate is arranged on the shell (1), the driving gear (12) is coaxially fixed on a mounting seat (11) for fixing the clamping jaw unit (2), and the mounting seat (11) is in rotary fit with the shell (1); the central line of the clamping jaw unit (2) along the length direction is overlapped with the axial line of the driving gear (12).

3. Micro-rotating electrical jaw according to claim 2, characterized in that said mounting seat (11) is rotationally fitted with the housing (1) through bearings; the transmission gear (13) is coaxially fixed on a motor shaft of the driving motor (4).

4. The micro rotary electric clamping jaw according to any one of claims 1 to 3, wherein a silicone pad (33) is laid on the clamping surface of the oil tank cover of the clamping jaw finger (3).

5. The micro rotary electric clamping jaw according to any one of claims 1 to 3, wherein the driving end of the clamping jaw unit (2) is a guide rail slider (35) matched with a slide rail of the clamping jaw unit (2), a positioning groove (36) matched with the guide rail slider (35) in shape is formed in the clamping jaw finger (3) along the sliding direction of the guide rail slider (35), the clamping jaw finger (3) is matched with the guide rail slider (35) in a sliding mode through the positioning groove (36), and the clamping jaw finger (3) can slide along the length direction of the positioning groove (36) and then is fixed.

6. Miniature rotary motorized jaw according to claim 5, characterized in that said positioning slot (36) is a C-shaped slot.

7. The miniature rotary electric clamping jaw as claimed in claim 5, wherein after the clamping jaw finger (3) slides to a designated position along the length direction of the positioning groove (36), the positioning pin (34) penetrates through the clamping jaw finger (3) and is fixedly connected with the guide rail sliding block (35).