CN214054988U - Nut clamp with automatic adjusting function - Google Patents

Abstract

The utility model discloses a manipulator clamping jaw with function is opened, is held tightly automatically to 180 degrees maximumly. The clamping device comprises a base, wherein a driving device and a transmission device are arranged on the base, two independent circular stand columns are arranged on the transmission device, a mounting plate is arranged right above the two stand columns, two bent clamping arms are movably connected onto the mounting plate, a push rod is connected onto each clamping arm in a sliding mode, one end of each push rod is sleeved on the periphery of each stand column, one end of each clamping arm is movably connected with a clamping jaw, and each clamping jaw is provided with a clamping surface capable of clamping products such as nuts. The automatic opening and holding clamping jaw is driven by the cylinder, and the type of the cylinder is selected according to the weight of a product to be clamped. The transmission mechanism can also be properly adjusted according to the size and the weight of the product so as to be suitable for more products. The utility model discloses a linkage cooperation of drive arrangement, transmission, stand, push rod, the arm lock of buckling, the clamping jaw of activity realizes the purpose of the automatic centre gripping of clamping jaw. The clamping jaw is wide in application, light, simple and convenient in overall structure, convenient to maintain and low in production and use cost.

Description

Nut clamp with automatic adjusting function

Technical Field

The utility model relates to a nut processing technology field, in particular to nut presss from both sides with automatic regulating function.

Background

The nut is matched with a bolt and other structural parts to tightly connect different parts or mechanical equipment, so that the nut has various sizes, specifications and types, is widely applied and plays an important role in modern industrial production. In order to clamp the nut rapidly and stably, the operating space of the nut clamp in the nut processing equipment is usually large, the diameter range of the nut capable of being clamped is limited, the nut clamp needs to be adjusted according to nuts with different specifications, and the nut clamp is inconvenient to use. With the development of the increasingly integrated trend of modern production equipment, the movable space of each part including the nut clamping jaw is continuously compressed, but the clamping requirements of nuts with different specifications and sizes are required to be met, and the requirements of the nut production equipment cannot be met gradually by the existing nut clamping jaw.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the above-mentioned prior art, the utility model provides a nut clamp with automatically regulated function can realize the purpose of automatically regulated clamping jaw centre gripping diameter, can be used to the nut of the different dimensions of centre gripping two arm lock centre gripping within ranges, is suitable for extensively, and nut clamp overall structure is light and handy simple and convenient, and it is convenient to maintain, and production and use cost are lower.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

a nut clamp with an automatic adjusting function comprises a base, wherein a driving device and a transmission device in transmission connection with the driving device are arranged on the base, two independent circular stand columns are in transmission connection with the transmission device, and the driving device can drive the two stand columns to slide linearly through the transmission device; an installation plate is arranged right above the two upright posts and detachably and fixedly arranged on the base; the mounting plate is movably connected with two bent clamping arms at the sides of the two upright posts respectively, each clamping arm is connected with a push rod in a sliding manner, one end part of each push rod is sleeved on the periphery of one upright post, and each push rod can rotate relative to the upright post and push one clamping arm to rotate; every the equal swing joint of a tip of arm lock has a clamping jaw, every the clamping jaw can be every relatively the arm lock is rotatory, every all be equipped with the clamping face that can the centre gripping nut on the clamping jaw.

As a further elaboration of the above technical solution:

in the above technical solution, the transmission device is a push-pull member, and the two upright posts are respectively and symmetrically fixed on two sides of the push-pull member.

As a better alternative, a sliding groove is formed in the base along the moving direction of the push-pull piece, and the push-pull piece and the two upright posts can slide in the sliding groove.

In the above technical scheme, every the arm lock all includes upper arm and the underarm of bending connection, the upper arm with the mounting panel is articulated, the underarm with the clamping jaw is articulated.

As a preferred alternative, the upper arm is integrally formed with the lower arm.

As a preferred alternative, the intersection of the upper arm and the lower arm is provided with a snap projection.

As a preferred alternative, more than two hinge holes are arranged on each lower arm, each clamping jaw is provided with a fixing hole, and a positioning member can sequentially penetrate through one hinge hole and one fixing hole to hinge the clamping jaw on the lower arm.

In the technical scheme, the clamping surface of each clamping jaw is two intersected clamping planes.

As a preferred alternative, the clamping surface of each clamping jaw is an arc-shaped clamping curved surface.

In the above technical solution, the driving device is an air cylinder.

Compared with the prior art, the beneficial effects of the utility model reside in that: the purpose of automatically adjusting the clamping diameter of the clamping jaw is achieved through linkage matching of the driving device, the transmission device, the stand column, the push rod, the bent clamping arms and the movable clamping jaw, the nut clamping device can be used for clamping nuts with different sizes and specifications in the clamping range of the two clamping arms, the nut clamping device is wide in application range, the whole nut clamping structure is light and simple, the maintenance is convenient, and the production and use costs are low.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a base; 2. a drive device; 3. a transmission device; 4. a column; 5. mounting a plate; 6. clamping arms; 61. an upper arm; 62. a lower arm; 63. clamping convex; 64. a hinge hole; 7. a push rod; 8. a clamping jaw; 9. a clamping surface; 10. a chute; 11. and a nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, 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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. 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 application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in fig. 1-2, a nut clamp with an automatic adjusting function comprises a base 1, wherein a driving device 2 and a transmission device 3 in transmission connection with the driving device 2 are arranged on the base 1, two independent circular upright posts 4 are in transmission connection with the transmission device 3, and the driving device 2 can drive the two upright posts 4 to slide linearly through the transmission device 3; the mounting plates 5 are arranged right above the two upright posts 4, and the mounting plates 5 are detachably and fixedly arranged on the base 1; two bent clamping arms 6 are respectively and movably connected to the mounting plate 5 at the sides of the two upright posts 4, each clamping arm 6 is connected with a push rod 7 in a sliding manner, one end of each push rod 7 is sleeved on the periphery of one upright post 4, and each push rod 7 can rotate relative to the upright post 4 and push one clamping arm 6 to rotate; a clamping jaw 8 is movably connected to one end of each clamping arm 6, each clamping jaw 8 can rotate relative to each clamping arm 6, and a clamping surface 9 capable of clamping a nut is arranged on each clamping jaw 8.

The utility model discloses the during operation, drive arrangement 2 passes through 3 drive two stands of transmission 4 and follows Y to advancing or retreating, and the one end of two push rods 7 is followed stand 4 and is moved ahead in step or retreating, and another tip of two push rods 7 slides backward or forward on two arm lock 6 respectively, promotes two arm lock 6 relative mounting panel 5 rotatory, and two arm lock 6 relative rotation keep away from or draw close together, and two clamping jaw 8 cooperations of 6 tip of two arm lock loosen or clamp nut 11. Only need control drive arrangement 2 among the clamping process, can automatically regulated nut press from both sides the centre gripping diameter, can be used to the nut 11 of the different dimensions of 6 clamping ranges of centre gripping of two arm lock of centre gripping, it is suitable for extensively, and nut presss from both sides overall structure lightly portably, it is convenient to maintain, production and use cost are lower.

As a further elaboration of the above technical solution:

in the above technical solution, the transmission device 3 is a push-pull member, and the two upright posts 4 are symmetrically and fixedly arranged on two sides of the push-pull member respectively.

As a preferred alternative, the base 1 is provided with a sliding groove 10 along the moving direction of the push-pull member, and both the push-pull member and the two upright posts 4 can slide in the sliding groove 10.

It will be appreciated that the runner 10 may further guide the movement of the column 4, assisting in improving the gripping efficiency of the jaws 8.

As shown in fig. 3, in the above technical solution, each clamping arm 6 includes an upper arm 61 and a lower arm 62 connected in a bent manner, the upper arm 61 is hinged to the mounting plate 5, and the lower arm 62 is hinged to the clamping jaw 8.

As a preferred alternative, the upper arm 61 is integrally formed with the lower arm 62.

As a preferred alternative, the intersection of the upper arm 61 and the lower arm 62 is provided with a snap projection 63.

It can be understood that the locking protrusion 63 can block the push rod 7 from sliding into the lower arm 62, so that the push rod 7 can only slide within the range of the upper arm 61, thereby shortening the moving distance of the push rod 7 and improving the driving efficiency of the driving device 2.

The utility model discloses when using, in order to reduce drive arrangement 2's load, still can be in the articulated department of upper arm 61 and mounting panel 5, or set up the elastic component between arm lock 6 and the mounting panel 5 for arm lock 6 recovers with higher speed under the pulling that resumes elasticity, gets to put efficiency with improving nut clamp, alleviates drive arrangement 2's load.

When the nut clamping device works, the end part of the push rod 7 slides on the upper arm 61, and pushes the upper arm 61 and the lower arm 62 to rotate around the hinged position of the upper arm 61 and the mounting plate 5, so that the two lower arms 62 (the clamping jaws 8) are relatively close to and far away from each other, and the purpose of clamping or loosening a nut is achieved.

As a preferred alternative, more than two hinge holes 64 are arranged in each lower arm 62, and a fixing hole is provided in each jaw 8, and a positioning member can pass through a hinge hole 64 and a fixing hole in sequence to hinge the jaw 8 to the lower arm 62.

It will be appreciated that the hinge holes 64 cooperate with the positioning members to enable the clamping jaws 8 to be mounted at different positions in the clamping arms 6 so as to cooperate with different nut processing equipment to grip and release nuts of different specifications.

In the above technical solution, the clamping surface 9 of each clamping jaw 8 is two intersecting clamping planes.

As a preferred alternative, the clamping surface 9 of each clamping jaw 8 is an arc-shaped clamping curved surface.

It can be understood that the two intersecting clamping planes can be used for clamping polygonal nuts, and the arc-shaped clamping curved surface can be used for clamping circular nuts; the relative rotation of clamping jaw 8 and arm lock 6 is connected, can ensure that clamping jaw 8 is rotatory properly at the centre gripping in-process, makes clamping face and the side surface of nut 11 laminate more, and the clamping face is big, and the centre gripping is stable, and is difficult for haring 11 appearance faces of nut.

In the above technical solution, the driving device 2 is a cylinder.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims (10)

1. A nut clamp with an automatic adjusting function is characterized by comprising a base, wherein a driving device and a transmission device in transmission connection with the driving device are arranged on the base, two independent circular stand columns are in transmission connection with the transmission device, and the driving device can drive the two stand columns to linearly slide through the transmission device; an installation plate is arranged right above the two upright posts and detachably and fixedly arranged on the base; the mounting plate is movably connected with two bent clamping arms at the sides of the two upright posts respectively, each clamping arm is connected with a push rod in a sliding manner, one end part of each push rod is sleeved on the periphery of one upright post, and each push rod can rotate relative to the upright post and push one clamping arm to rotate; every the equal swing joint of a tip of arm lock has a clamping jaw, every the clamping jaw can be every relatively the arm lock is rotatory, every all be equipped with the clamping face that can the centre gripping nut on the clamping jaw.

2. The nut clamp with automatic adjusting function of claim 1, wherein the transmission device is a push-pull member, and the two upright posts are symmetrically fixed on two sides of the push-pull member.

3. The nut clamp with the automatic adjusting function according to claim 2, wherein a sliding groove is formed in the base along the moving direction of the push-pull member, and the push-pull member and the two upright posts can slide in the sliding groove.

4. The self-adjusting nut clip of claim 1 wherein each of said clip arms includes an upper arm and a lower arm connected at a bend, said upper arm being hingedly connected to said mounting plate and said lower arm being hingedly connected to said jaws.

5. The nut clip having an automatic adjusting function according to claim 4, wherein the upper arm is integrally formed with the lower arm.

6. The nut clip with automatic adjusting function of claim 4, characterized in that the intersection of the upper arm and the lower arm is provided with a snap projection.

7. The nut clip with automatic adjusting function as claimed in claim 4, wherein each of said lower arms has two or more hinge holes arranged therein, each of said jaws has a fixing hole, and a positioning member is sequentially inserted through one of said hinge holes and one of said fixing holes to hinge said jaw to said lower arm.

8. The self-adjusting nut clip of claim 1 wherein the gripping surface of each jaw is two intersecting gripping planes.

9. The nut clip of claim 1 wherein the gripping surface of each jaw is a curved gripping surface.

10. The nut clip having an automatic adjusting function according to claim 1, wherein the driving means is an air cylinder.

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