CN218397002U - Center self-locking type clamp - Google Patents

Abstract

The utility model discloses a center is from locking-type anchor clamps, be the processing platform that the annular array structure has the extension curb plate on the outer fringe face, the upper end of processing platform is personally submitted the annular array activity and is provided with arm lock subassembly, the arm lock subassembly includes that outer fringe face bottom is built between two parties has arc splint and the arm of force of one end swing joint in articulated seat one of articulated seat one, the sliding tray has been seted up between two parties to the up end of extending the curb plate, built between two parties has the location slide-bar in the sliding tray, the arm of force is kept away from the one end swing joint of articulated seat one and is had articulated seat two, and two slidable mounting of articulated seat are on the outer fringe face of location slide-bar, and the both sides of articulated seat two all are constructed with L type cardboard, demountable installation has magnetism to inhale the inserted block in the L type cardboard, extend the both sides that the curb plate up end is located the sliding tray and set up the location card hole that supplies magnetism to inhale the inserted block magnetism to peg graft, this center is from locking-type anchor clamps, and rational in infrastructure, be convenient for realizing the swift location centre gripping of bar, it is convenient to use, and the practicality is strong.

Description

Center self-locking type clamp

Technical Field

The utility model belongs to the technical field of anchor clamps, concretely relates to center is from locking-type anchor clamps.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, any process in a process, the means for quickly, conveniently and safely mounting a workpiece may be referred to as a fixture. Such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, and the like. Of which the machine tool clamps are the most common, often referred to simply as clamps. When a workpiece is machined on a machine tool, the workpiece must be assembled (positioned) and clamped (clamped) before machining in order to enable the surface of the workpiece to meet the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces and the like specified in the drawing. The fixture generally comprises a positioning element (for determining the correct position of a workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to complete the processing of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (a fixture base), and the like.

At present add man-hour to the material, need use anchor clamps to carry out the centre gripping location to it, make it occupy the correct position and wait for the construction, for example to the processing of bar, current for bar processing anchor clamps mainly through electric drive and cooperation mechanical transmission structure drive the clamping piece and carry out the centre gripping, it is generally needing to adjust repeatedly making bar possess the center and wait to process the position to bar clamping in-process, it is convenient rapidly inadequately to the location centre gripping of bar, be not convenient for use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a center is from locking-type anchor clamps to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme does:

the center self-locking type clamp comprises a processing table, wherein the outer edge surface of the processing table is provided with an extended side plate in an annular array structure;

the utility model discloses a processing platform, including the outer fringe face, the upper end of processing platform is personally submitted the activity and is provided with the arm lock subassembly, the arm lock subassembly includes that outer fringe face bottom constructs arc splint and one end swing joint in articulated seat one between two parties has the arm of force of articulated seat one, extend the up end of curb plate and seted up the sliding tray between two parties, construct the location slide bar between two parties in the sliding tray, the one end swing joint that articulated seat one was kept away from to the arm of force has articulated seat two, and two slidable mounting of articulated seat are on the outer fringe face of location slide bar, and the both sides of articulated seat two are all constructed L type cardboard, demountable installation has magnetism to inhale the inserted block in the L type cardboard, the equal equidistance in both sides that extend the curb plate up end is located the sliding tray is seted up and is supplied magnetism to inhale the inserted block magnetism and inhale the locator card hole of pegging graft.

Further, a bearing plate for bearing the bar stock is arranged at the bottom of the inner edge surface of the arc-shaped clamping plate.

Furtherly, articulated seat one is including constructing in the mounting panel of arc splint, the one side symmetric construction that arc splint were kept away from to the mounting panel has the engaging lug, articulated seat two includes that sliding fit installs the location slider on the location slide shaft outer fringe face, the up end symmetric construction of location slider has the U template.

Further, construct in rotatable installation has the pivot between the U template of location slider up end, construct in rotatable installation has the circle axle between the engaging lug of arc splint one side is kept away from to the mounting panel, the shaft hole of cooperation circle axle and pivot grafting installation is all seted up at the both ends of the arm of force.

Furthermore, one end of the L-shaped clamping plate is constructed on the positioning sliding block, a pressure-bearing spring with one end abutting against the positioning sliding block is sleeved on the outer edge surface of the positioning sliding shaft, and a bearing table is constructed in the middle of the upper end surface of the processing table.

Compared with the prior art, the utility model discloses following beneficial effect has: benefit from the processing platform, extend the curb plate, the sliding tray, the location slide-shaft, articulated seat one, articulated seat two, the arc splint, the arm of force, L type cardboard, the setting in magnetic attraction inserted block and locator card hole, when fixing a position the centre gripping to the bar, can press down the bar along vertical downward direction, thereby make the arc splint that are the arm lock subassembly of annular array move down, and realize the deflection between articulated seat one and the arm of force through swing joint, and promote articulated seat two to slide on the outer fringe face of location slide-shaft through the arm of force, along with the gradual decline of bar, the arc splint in the arm lock subassembly that is annular array inwards tighten up and support and press the outer fringe face in the bar, insert the corresponding inside locating card hole of locating extension curb plate up end both sides with magnetic attraction inserted block this moment, can realize the swift location centre gripping of bar, and because the arm lock subassembly is the annular array setting, so the bar must be located the central point of processing platform top after the location centre gripping, it is convenient to use, therefore, the clothes hanger bracket is strong in practicability is very strong.

Drawings

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

FIG. 2 is a schematic view of the clamp arm assembly of the present invention;

fig. 3 is an enlarged schematic view of the structure a in fig. 1 according to the present invention.

In the figure: 1. a processing table; 2. a receiving table; 3. an extension side plate; 4. a sliding groove; 5. positioning a sliding shaft; 6. a pressure-bearing spring; 7. a clamp arm assembly; 701. an arc-shaped splint; 702. a bearing plate; 703. mounting a plate; 704. connecting lugs; 705. a force arm; 706. positioning a slide block; 707. a U-shaped plate; 708. an L-shaped clamping plate; 709. the insert block is magnetically attracted.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, the center self-locking type clamp includes a processing table 1 having an annular array of processing stations 1 with extension side plates 3 on the outer edge surface, wherein clamp arm assemblies 7 are movably disposed in the annular array on the upper end surface of the processing table 1, the clamp arm assemblies 7 include an arc clamp plate 701 having a first hinge seat and a force arm 705 having one end movably connected to the first hinge seat, a sliding slot 4 is formed in the center of the upper end surface of the extension side plate 3, a positioning sliding shaft 5 is formed in the center of the sliding slot 4, a second hinge seat is movably connected to one end of the force arm 705 away from the first hinge seat, the second hinge seat is slidably mounted on the outer edge surface of the positioning sliding shaft 5, L-shaped clamp plates 708 are formed on both sides of the second hinge seat, a magnetic insert block 709 is detachably mounted in the L-shaped clamp plate 708, positioning clamp holes for the magnetic insert block 709 are formed on both sides of the sliding slot 4 at equal intervals, the upper end surface of the hinge plate 3 is provided with positioning clamp holes for the magnetic insert block 709, the magnetic insert block is capable of pressing the clamp plate 701, the clamp plate assembly, the bar is capable of pressing the clamp plate 701 downwards, and the bar is realized by pressing the outer edge surface, the clamp plate 701, the bar assembly, the clamp plate 701, the bar is vertically downward, and because the clamping arm components 7 are arranged in an annular array, the bar is inevitably located at the central position above the processing table 1 after being positioned and clamped, the use is very convenient, the practicability is strong, and the bottom of the inner edge surface of the arc-shaped clamping plate 701 is provided with the bearing plate 702 for bearing the bar.

As shown in fig. 2, the first hinge seat includes a mounting plate 703 configured on an arc-shaped clamping plate 701, a connecting lug 704 is symmetrically configured on one side of the mounting plate 703 away from the arc-shaped clamping plate 701, the second hinge seat includes a positioning sliding block 706 installed on the outer edge surface of the positioning sliding shaft 5 in a sliding fit manner, a U-shaped plate 707 is symmetrically configured on the upper end surface of the positioning sliding block 706, a rotating shaft is rotatably installed between the U-shaped plates 707 configured on the upper end surface of the positioning sliding block 706, a round shaft is rotatably installed between the connecting lugs 704 configured on one side of the mounting plate 703 away from the arc-shaped clamping plate 701, and shaft holes for inserting and installing the round shaft and the rotating shaft are formed at both ends of the force arm 705.

As shown in fig. 1 to 3, one end of the L-shaped clamp plate 708 is configured on the positioning slider 706, a pressure spring 6 whose one end abuts against the positioning slider 706 is sleeved on the outer edge surface of the positioning slide shaft 5, and a receiving table 2 is configured in the center of the upper end surface of the processing table 1.

The working principle is as follows: this center is from locking-type anchor clamps, during the use, can butt the bottom of bar and accept board 702, and press down the bar, thereby make the arc splint 701 among the arm lock subassembly 7 that is the annular array move down, and realize the deflection between articulated seat one and the arm of force 705 through the swing joint of arm of force 705 and round axle, and promote articulated seat two to slide on the outer fringe face of location smooth axle 5 through arm of force 705, location slider 706 makes pressure spring 6 atress deformation when sliding on the outer fringe face of location smooth axle 5, elastic potential energy through pressure spring 6 deformation storage can form reaction force to location slider 706, along with the gradual decline of bar, arc splint 701 among the arm lock subassembly 7 that is the annular array inwards tightens up and supports and presses in the outer fringe face of bar, insert the corresponding inside the locator card hole of locating the both sides of extending the curb plate 3 upper end face with the magnetism of inserting block 709 at this moment, can realize the swift location centre gripping of bar, and position the strong convenient use of this bar from locking-type anchor clamps through L type cardboard 709 and magnetism, thereby promote the convenient and convenient use of this center clamping structure of magnetism between the magnet.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The center self-locking type clamp comprises a processing table (1) with an extending side plate (3) in an annular array structure on the outer edge surface;

the method is characterized in that: the utility model discloses a machining table, including outer fringe face bottom, the upper end of processing platform (1) is personally submitted the activity and is provided with arm of clamp subassembly (7) in annular array, arm of clamp subassembly (7) include that outer fringe face bottom is constructed the arc splint (701) and one end swing joint in articulated seat one between two parties, sliding tray (4) have been seted up between two parties to the up end of extending curb plate (3), construct location slide (5) in sliding tray (4) between two parties, arm of force (705) keep away from the one end swing joint of articulated seat one and have articulated seat two, articulated seat two slidable mounting on the outer fringe face of location slide (5), the both sides of articulated seat two all are constructed L type cardboard (708), demountable installation has magnetism to inhale inserted block (709) in L type cardboard (708), it inhales the location card hole of pegging graft to supply magnetism to inhale inserted block (709) to extend the both sides that curb plate (3) up the equal equidistance of locating slide (4).

2. The center self-locking clamp according to claim 1, wherein: the bottom of the inner edge surface of the arc-shaped clamping plate (701) is provided with a bearing plate (702) for bearing a bar stock.

3. The center self-locking clamp of claim 1, wherein: articulated seat one is including constructing mounting panel (703) in arc splint (701), the one side symmetry that arc splint (701) were kept away from in mounting panel (703) is constructed and is had engaging lug (704), articulated seat two includes that sliding fit installs location slider (706) on location slide-shaft (5) outer fringe face, the up end symmetry of location slider (706) is constructed and is had U template (707).

4. The center self-locking clamp of claim 3, wherein: the structure is in rotatable installation of pivot between U template (707) of location slider (706) up end, the structure in rotatable installation of round axle between installing plate (703) keep away from engaging lug (704) of arc splint (701) one side, the shaft hole of cooperation round axle and pivot grafting installation is all seted up at the both ends of arm of force (705).

5. The center self-locking clamp of claim 4, wherein: one end of the L-shaped clamping plate (708) is constructed on the positioning sliding block (706), a pressure-bearing spring (6) with one end abutting against the positioning sliding block (706) is sleeved on the outer edge surface of the positioning sliding shaft (5), and a bearing table (2) is constructed in the middle of the upper end surface of the machining table (1).

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