CN218859743U - Special gripping fixture for test block - Google Patents

Abstract

The utility model relates to a special gripping fixture for test blocks, which comprises a fixed plate and is used for being connected to an mechanical arm; the device comprises three groups of grabbing components, wherein the grabbing components are arranged on a fixing plate, each group of grabbing components comprises two clamping blocks capable of moving relatively, each clamping block is provided with a V-shaped clamping opening, the two V-shaped clamping openings in each group of grabbing components are arranged oppositely, one V-shaped clamping opening comprises two contact surfaces, one of the four contact surfaces of each group of grabbing components is a plane for being attached to a corresponding plane of a test block to be positioned, and the rest three contact surfaces are curved surfaces; the fixture is fixed on the mechanical arm through the fixing plate, the three groups of grabbing components can simultaneously meet the grabbing requirements of three test blocks, the grabbing speed and the grabbing efficiency are effectively improved, and meanwhile, the stability of the test blocks when being grabbed can be improved by means of the positioning structure; through the setting, the utility model discloses the technical problem that stability is low, the test block easily drops when snatching more quantity test block among the prior art has effectively been solved.

Description

Special gripping fixture for test block

Technical Field

The utility model relates to a test block generally snatchs technical field. More specifically, the utility model relates to a special anchor clamps that snatch of test block.

Background

In the building construction process, need use cement mortar test block, in order to guarantee the security of construction, need detect the cement mortar test block intensity of using, specifically detect including bending test and compression test, and before detecting, will take out the test block from the maintenance basin usually, about the maintenance basin, can see the description in the maintenance basin of a stainless steel cement test block that the chinese utility model patent document of grant No. CN213198126U discloses, it has the system not wet, constant temperature control, the simple effect of difficult bad and the six bubble waters of cement test block of drainage, can carry out the maintenance to the cement test block better.

The traditional test block grabbing is completed manually, but with the development of technology, a clamp capable of automatically grabbing the test block is developed, but the clamp can only grab one test block at a time, three test blocks are required to be placed in a detected area to be used as a group for detection according to the national standard requirements, and a method for grabbing one test block at a time is slow and low in efficiency; if the number of the clamps is simply increased to three, although the requirement of clamping three test blocks at one time can be met, a new problem is generated, namely when a large number of test blocks are clamped at the same time, the stability of each test block is reduced, and the risk of falling is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a test block special use snatchs anchor clamps to the technical problem that stability is low, the test block easily drops when snatching more quantity of test blocks among the solution prior art.

In order to solve the above problem, the utility model provides a special anchor clamps that snatch of test block adopts following technical scheme:

the utility model provides a special gripping jig of test block, includes:

the fixing plate is used for being connected to the mechanical arm;

snatch the subassembly, quantity is three groups, all installs on the fixed plate, but every group snatchs the subassembly and includes two relative motion's clamp splice, all is provided with a V type on every clamp splice and presss from both sides the mouth, and every group snatchs two V types in the subassembly and presss from both sides mouthful mutual disposition, and a V type presss from both sides the mouth and includes two contact surfaces, and every group snatchs in four contact surfaces of subassembly, one of them for being arranged in with the plane laminating that test block corresponds in order to advance line location, all the other three curved surfaces that are.

As a further improvement, the curved surface is a convex curved surface.

As a further improvement, the grabbing assembly comprises a clamping jaw air cylinder, two sliding tables capable of moving relatively are installed on the clamping jaw air cylinder in a guiding mode, and one clamping block is detachably connected to each sliding table.

As a further improvement, two sliding grooves are arranged in parallel on the clamping jaw air cylinder, and the two sliding grooves are correspondingly provided with two sliding tables in a guiding mode.

As a further improvement, the two sliding grooves are provided with sliding groove limiting structures in the extending direction so as to respectively limit the moving strokes of the two sliding tables.

As a further improvement, the sliding groove limiting structure is a groove wall at the end part of the sliding groove.

As a further improvement, six through holes are formed in the fixing plate, and the six through holes are fixed on the mechanical arm through screwing screws.

As a further improvement, three groups of mounting holes are arranged on the fixing plate and are respectively used for fixing three groups of grabbing components.

As further improvement, every group the installation punch combination includes basic locating hole and two blind holes, still be fixed with on the clamping jaw cylinder with the slip table locating hole that basic locating hole corresponds and the jack that corresponds with the blind hole, basic locating hole is used for corresponding with the slip table locating hole with the cartridge locating pin, the blind hole is used for corresponding with the jack and adorns the screw with revolving.

As a further improvement, the connecting line of the center points of the two blind holes is inclined relative to the long side of the fixing plate.

The utility model provides a special beneficial effect who snatchs anchor clamps of test block:

1) The fixture is fixed on the mechanical arm through the fixing plate, the three groups of grabbing components can simultaneously meet grabbing of three test blocks, grabbing speed and grabbing efficiency are effectively improved, meanwhile, stability is difficult to avoid when the three test blocks are grabbed, and stability when the test blocks are grabbed can be improved by means of the positioning structure;

2) In the four contact surfaces of the group of grabbing components, the plane realizes the positioning and guiding of the test block, the three curved surfaces can be self-adapted to the test block with position deviation, namely the curve of the test block is better adapted, if the four surfaces are the planes, the test block is easy to damage, if the four surfaces are the curved surfaces, the test block cannot be better attached to the curved surface of the test block, and the positioning effect is poor;

3) The six through holes and the mounting hole group fully improve the connection stability of all the parts and the connection stability with the mechanical arm, and improve the stability of the grabbing work;

4) The maintenance of test block is under high humid environment, uses pneumatic components such as clamping jaw cylinder can guarantee equipment normal operating under humid environment.

Through the setting, the utility model discloses the technical problem that stability is low, the test block easily drops when snatching more quantity test block among the prior art has effectively been solved.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings. In the accompanying drawings, several embodiments of the present invention are illustrated by way of example and not by way of limitation, and like reference numerals designate like or corresponding parts, in which:

fig. 1 is a schematic structural view of an embodiment of a gripping fixture special for test blocks provided by the present invention;

FIG. 2 is a schematic structural view of the fixing plate of FIG. 1;

FIG. 3 is a schematic structural view of a clamping jaw cylinder facing a fixing plate in FIG. 1;

FIG. 4 is a schematic structural view of the side of the clamping jaw cylinder facing away from the fixing plate in FIG. 1;

FIG. 5 is a schematic view of the structure of FIG. 4 without the sliding table;

FIG. 6 is a schematic view of the structure of the clamping block of FIG. 1;

FIG. 7 is a perspective view of the clamp block of FIG. 1;

fig. 8 is a schematic view of the whole jig when gripping a test block.

Description of reference numerals: 1. a fixing plate; 2. a clamping block; 3. a clamping jaw cylinder; 4. a sliding table; 5. a sliding groove; 6. a chute limiting structure; 7. a plane; 8. a curved surface; 9. a through hole; 10. a base positioning hole; 11. blind holes; 12. a sliding table positioning hole; 13. a base plate; 14. and (6) testing the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it should be understood by those skilled in the art that the embodiments described below are some embodiments of the present disclosure, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, a special gripping fixture for test blocks comprises: the fixing plate 1 is used for being connected to the mechanical arm; snatch the subassembly, quantity is three groups, all installs on fixed plate 1, but every group snatchs the subassembly and includes two relative motion's clamp splice 2, all is provided with a V type on every clamp splice 2 and presss from both sides the mouth, every group snatchs two V type clamp mouths mutual disposition in the subassembly, a V type presss from both sides the mouth and includes two contact surfaces, every group snatchs in four contact surfaces of subassembly, one of them is for being arranged in order to carry out the plane 7 of location with the laminating of the corresponding plane of test block 14, all the other three curved surfaces 8.

Specifically, the curved surface 8 is a convex curved surface, and in other embodiments, the curved surface may also be a concave curved surface.

As shown in fig. 2, six through holes 9 are formed in the fixing plate 1, and the six through holes 9 are fixed on the robot arm by screwing screws. In addition, three groups of mounting hole groups are arranged on the fixing plate 1 and are respectively used for fixing three groups of grabbing components. Every group the installation punch combination includes basic locating hole 10 and two blind holes 11, still be fixed with on the clamping jaw cylinder 3 with slip table locating hole 12 that basic locating hole 10 corresponds and the jack that corresponds with blind hole 11, basic locating hole 10 is used for corresponding with the cartridge locating pin with slip table locating hole 12, blind hole 11 is used for corresponding with the jack in order to adorn the screw soon. The basic positioning hole 10 and the blind hole 11 are matched to fully improve the stability of the grabbing component installation. In other embodiments, the grasping assembly may be fixed by means of a welder.

In this embodiment, the connecting center points of the two blind holes 11 are inclined with respect to the long sides of the fixing plate 1, and in other embodiments, the connecting center points of the two blind holes may be arranged perpendicularly with respect to the long sides of the fixing plate.

Specifically, as shown in fig. 2 to 5, the grabbing assembly comprises a clamping jaw air cylinder 3, two sliding tables 4 capable of moving relatively are installed on the clamping jaw air cylinder 3 in a guiding manner, and one clamping block 2 is detachably connected to each sliding table 4. Two sliding grooves 5 are arranged in parallel on the clamping jaw cylinder 3, and two sliding tables 4 are correspondingly installed on the two sliding grooves 5 in a one-to-one guiding mode. In addition, two sliding grooves 5 are provided with sliding groove limiting structures 6 in the extending direction so as to respectively limit the moving strokes of the two sliding tables 4. In this embodiment, the sliding groove limiting structure 6 is a groove wall at the end of the sliding groove 5, and in other embodiments, the sliding groove limiting structure may also be a stop lever or a stopper.

In this embodiment, the two clamping blocks 2 are fixed on the corresponding sliding table 4 through screws. In other embodiments, the clamping block 2 may also be fixed by welding.

In addition, according to needs, elastic wear-resisting layers such as rubber can be additionally arranged on each contact surface, so that the surface friction force can be increased, the grabbing force is enhanced, and the stability of the grabbing test block 14 is further improved.

As shown in fig. 6 to 8, the clamping block 2 further has a bottom plate 13, and in operation, the whole fixture clamps the test block 14 from top to bottom, and the bottom plate 13 may or may not contact the test block 14.

The utility model provides a test block special use snatchs anchor clamps's theory of operation is: when the test block 14 needs to be grabbed, the mechanical arm drives each clamping jaw cylinder 3 to move to the position above the test block 14, the two sliding tables 4 on the clamping jaw cylinders 3 move back to back, so that the two clamping blocks 2 are opened, after the test block 14 enters the grabbing range of the clamping blocks 2, the clamping jaw cylinders 3 are closed, the whole equipment moves down to the position where the test block 14 is located between the two clamping blocks 2, the clamping jaw cylinders 3 are started again, the two clamping blocks 2 move oppositely under the driving of the two sliding tables 4, after the test block 14 is grabbed, the clamping jaw cylinders 3 are closed, the mechanical arm moves upwards to the test block 14 to leave the maintenance water tank, in the process, four contact surfaces of the two clamping blocks 2 are provided, one plane 7 ensures accurate positioning, and three curved surfaces 8 can reduce damage to the test block 14 in the grabbing process.

In light of the foregoing description of the present specification, those skilled in the art will also understand that terms used herein, such as "upper," "lower," "front," "rear," "left," "right," "length," "width," "thickness," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," "center," "longitudinal," "lateral," "clockwise," or "counterclockwise," etc., indicate that the terms used herein are based on the orientations and positional relationships illustrated in the drawings of the present specification, and are intended merely for the purpose of facilitating the description and simplifying the description, and do not explicitly or implicitly indicate that the device or element being referred to must have the particular orientation, be constructed and operated in the particular orientation, and therefore the terms used in the orientation or positional relationship should not be understood or interpreted as limiting the scope of the present invention.

In addition, the terms "first" or "second", etc. used in this specification are used to refer to numbers or ordinal terms 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 at least one of the feature. In the description of the present specification, "a plurality" means at least two, for example, two, three or more, and the like, unless specifically defined otherwise.

While various embodiments of the present invention have been shown and described herein, it will be obvious to those skilled in the art that such embodiments are provided by way of example only. Numerous modifications, changes, and substitutions will occur to those skilled in the art without departing from the spirit and scope of the present invention. It should be understood that various alternatives to the embodiments of the invention described herein may be employed in practicing the invention. The following claims are intended to define the scope of the invention and to cover module components, equivalents, or alternatives falling within the scope of these claims.

Claims (7)

1. The utility model provides a special gripping fixture of test block which characterized in that includes:

the fixing plate is used for being connected to the mechanical arm;

snatch the subassembly, quantity is three groups, all installs on the fixed plate, but every group snatchs the subassembly and includes two relative motion clamp splice, all is provided with a V type on every clamp splice and presss from both sides the mouth, and every group snatchs two V types in the subassembly and presss from both sides mouthful mutual disposition, and a V type presss from both sides the mouth and includes two contact surfaces, and every group snatchs in four contact surfaces of subassembly, one of them is for being arranged in order to carry out the plane of location with the laminating of the corresponding plane of test block, and all the other three are the curved surface.

2. The special gripping fixture for test blocks as claimed in claim 1, wherein the curved surface is a convex curved surface.

3. The special gripping fixture for test blocks as claimed in claim 1, wherein the gripping assembly comprises a clamping jaw cylinder, two sliding tables capable of moving relatively are guided and mounted on the clamping jaw cylinder, and one clamping block is detachably connected to each sliding table.

4. The special gripping fixture for test blocks as claimed in any one of claims 1 to 3, wherein six through holes are opened on the fixing plate, and the six through holes are fixed on the mechanical arm by screwing screws.

5. The special gripping fixture for test blocks as claimed in claim 3, wherein three sets of mounting holes are provided on the fixing plate for fixing three sets of gripping assemblies respectively.

6. The special gripping fixture for test blocks as claimed in claim 5, wherein each set of said mounting holes comprises a base positioning hole and two blind holes, said clamping jaw cylinder is further fixed with a sliding table positioning hole corresponding to said base positioning hole and an insertion hole corresponding to said blind hole, said base positioning hole is used for corresponding to said sliding table positioning hole for inserting positioning pin, said blind hole is used for corresponding to said insertion hole for screwing screw.

7. The special gripping fixture for test blocks as claimed in claim 6, wherein the connecting line of the center points of the two blind holes is inclined with respect to the long side of the fixing plate.

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