CN219726271U

CN219726271U - Sheet metal grabbing device for chassis production

Info

Publication number: CN219726271U
Application number: CN202320798113.5U
Authority: CN
Inventors: 冯玉平
Original assignee: TIANJIN JINGTAI TECHNOLOGY DEVELOPMENT CO LTD
Current assignee: TIANJIN JINGTAI TECHNOLOGY DEVELOPMENT CO LTD
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-09-22
Anticipated expiration: 2033-04-12

Abstract

The utility model relates to a sheet metal grabbing device for chassis production. The device comprises a grabbing mounting plate, wherein a first adjusting hole, a second adjusting hole, a third adjusting hole and a fourth adjusting hole which are distributed according to the circumferential direction are formed in the grabbing mounting plate; a locking structure is arranged in each adjusting hole in a penetrating way and is respectively connected with a first mounting structure, a second mounting structure, a third mounting structure and a fourth mounting structure through the locking structure; a plurality of sucker structures which are distributed in a whole row are arranged on each mounting structure; the sucker structure comprises a buffer mounting seat, a negative pressure sucker, a spring guide rod, a buffer spring and a spring, wherein the negative pressure sucker is arranged on the buffer mounting seat; a limit mounting plate is arranged at the top of the spring guide rod. The utility model can perform stable and safe grabbing operation on sheet metal parts with different specifications and sizes, and has strong applicability.

Description

Sheet metal grabbing device for chassis production

Technical Field

The utility model belongs to the technical field of machining equipment, and particularly relates to a sheet metal grabbing device for chassis production.

Background

In the production process of the electronic case, the metal plate is used as a production raw material, firstly, the purchased metal plate is cut into rectangular plates meeting production requirements, then, the plates subjected to cutting operation are subjected to stamping forming, sheet metal parts are further formed, and then, the positioning tool is used for fixedly connecting a plurality of groups of sheet metal parts, so that the case is formed. When the plate is processed, the plate needs to be accurately clamped and positioned, and then further processing is performed on the rectangular plate. In the processing operation process, a worker firstly places the rectangular plate on an operation positioning table, then positions and clamps the rectangular plate by using a positioning device on the operation positioning table, and then performs operations such as stamping or punching on the plate after the positioning and clamping are completed to form a sheet metal part.

In the prior art, the gripping device adopts the sucker to carry out negative pressure absorption on the sheet metal part so as to carry out gripping and transferring, thus avoiding manual carrying operation, but as the sheet metal part is provided with a plurality of through holes with different numbers, the sucker can only absorb the sheet metal part by avoiding the through holes in the gripping operation process, but as the sheet metal part is different in specification and size, the positions of the through holes on the sucker are also different, and in the actual operation process, the phenomenon that the sucker cannot find the absorption position often occurs, so that the applicability is poor; in addition, most of the existing grabbing devices are simple in structure and lack of a buffer device, in the process of taking and placing of actual grabbing, the process is difficult to accurately control, the sucker is extremely easy to strike a plate, damage can be caused to the sucker in the process of striking, and the sucker is hardened and cracked for a long time, so that the effect of exhausting and sealing cannot be achieved, and therefore grabbing force of the sucker is reduced and even completely lost.

Disclosure of Invention

The utility model provides a sheet metal grabbing device for chassis production, which is reasonable in structural design and high in applicability, and solves the technical problems in the prior art. The utility model can carry out stable and safe grabbing operation on sheet metal parts with different specifications and sizes.

The utility model adopts the technical proposal for solving the technical problems in the prior art that: a sheet metal grabbing device for chassis production comprises a grabbing mounting plate, wherein a first adjusting hole, a second adjusting hole, a third adjusting hole and a fourth adjusting hole which are distributed according to the circumferential direction are formed in the grabbing mounting plate; the locking structure is penetrated in each adjusting hole and is respectively connected with a first installation structure, a second installation structure, a third installation structure and a fourth installation structure with adjustable positions through the locking structure; a plurality of sucker structures which are distributed in a whole row are arranged on each mounting structure; the sucker structure comprises a buffer mounting seat arranged below the mounting structure, a negative pressure sucker is arranged on the buffer mounting seat, the sucker structure further comprises a spring guide rod arranged on the buffer mounting seat, the spring guide rod is in sliding connection with the mounting structure through a linear bearing, and the sucker structure further comprises a buffer spring arranged between the buffer mounting seat and the mounting structure and penetrating through the spring guide rod; a limit mounting plate is arranged at the top of the spring guide rod.

The utility model has the advantages and positive effects that: the utility model provides a sheet metal grabbing device for chassis production, which can carry out negative pressure adsorption grabbing operation on a sheet metal part by arranging a sucker structure, and a buffer spring arranged in the sucker structure can play a role in buffering operation, so that a negative pressure sucker can fully contact with the sheet metal part, and meanwhile, damage caused by collision between the negative pressure sucker and the sheet metal part is avoided, and the negative pressure sucker can stably and safely adsorb the sheet metal part; the positions of the sucking disc structures can be adjusted by arranging the plurality of adjusting holes, the locking structure and the mounting structure to be matched for use, so that the grabbing device can carry out negative pressure adsorption grabbing operation on sheet metal parts with different specifications and sizes, and the phenomenon that the adsorption position cannot be found is avoided; in addition, because a plurality of sucking disc structures on each mounting structure are the array and distribute, the adsorption position of a plurality of sucking disc structures of being convenient for is along the peripheral edge distribution of the sheet metal component of waiting to process, and the effect distributes evenly, is convenient for adsorb the sheet metal component.

Preferably: the first mounting structure comprises a grooved adapter, a T-shaped groove extending along the length direction of the grooved adapter is formed in the grooved adapter, and the locking structure is arranged in the T-shaped groove in a penetrating manner and can be locked in position; and a gas passage which is arranged on the grooved adapter and communicated with the side surface of the grooved adapter.

Preferably: the first mounting structure further comprises a sucker mounting frame connected with the sucker structure, a plurality of groups of connecting rods are fixedly connected to the sucker mounting frame, and the grooved adapter is connected with the grooved adapter through the connecting rods.

Preferably: the first mounting structure, the second mounting structure, the third mounting structure and the fourth mounting structure are identical in structure.

Preferably: the locking structure comprises an adjusting slide block which is in sliding connection with the T-shaped groove, and further comprises a locking knob which is arranged on the adjusting slide block and is arranged in the adjusting hole in a penetrating way.

Preferably: the sucker structure also comprises a lower limit rod which is arranged on the buffer mounting seat and is positioned between the buffer mounting seat and the mounting structure; the device also comprises an upper limit rod arranged on the limit mounting plate.

Preferably: the first adjusting hole, the second adjusting hole, the third adjusting hole and the fourth adjusting hole are bar-shaped holes; the second and fourth adjustment holes extend in the X direction, and the first and third adjustment holes extend in the Y direction.

Preferably: a plurality of groups of threading holes are formed in the grabbing mounting plate.

Drawings

FIG. 1 is a schematic perspective view of the present utility model, from an upper perspective;

FIG. 2 is a schematic view of the assembly of the first mounting structure, suction cup structure and locking structure of the present utility model;

FIG. 3 is an enlarged schematic view of area A in FIG. 1;

figure 4 is a schematic cross-sectional view of the suction cup structure of the present utility model.

In the figure: 1. a first mounting structure; 1-1, a grooved adapter; 1-2, a gas passage; 1-3, T-shaped groove; 1-4, a sucker mounting rack; 1-5, connecting rod; 2. a first adjustment aperture; 3. a second mounting structure; 4. a second adjustment aperture; 5. a third mounting structure; 6. a third adjustment aperture; 7. a fourth mounting structure; 8. a fourth adjustment aperture; 9. a suction cup structure; 9-1, a negative pressure sucker; 9-2, a spring guide rod; 9-3, buffering the mounting seat; 9-4, a buffer spring; 9-5, a linear bearing; 9-6, limiting the mounting plate; 9-7, an upper limit rod; 9-8, lower limit rod; 10. a locking structure; 10-1, an adjusting slide block; 10-2, locking the knob; 11. grabbing the mounting plate; 12. and a threading hole.

Detailed Description

For a further understanding of the utility model, its features and advantages, the following examples are set forth in detail:

referring to fig. 1, the sheet metal grabbing device for chassis production of the present utility model includes a grabbing mounting plate 11, and a first adjusting hole 2, a second adjusting hole 4, a third adjusting hole 6 and a fourth adjusting hole 8 distributed according to a circumferential direction are formed on the grabbing mounting plate 11, wherein the first adjusting hole 2, the second adjusting hole 4, the third adjusting hole 6 and the fourth adjusting hole 8 are all bar-shaped holes. In the present embodiment, the second and fourth adjustment holes 4 and 8 extend in the X direction, and the first and third adjustment holes 2 and 6 extend in the Y direction. In order to facilitate disassembly and assembly and daily maintenance, a plurality of groups of threading holes 12 are formed in the grabbing mounting plate 11. In the actual working process, the grabbing mounting plate 11 is arranged above the feeding table and connected with a mechanical arm of a workshop, and a sheet metal part to be processed is directly placed on the feeding table.

The locking structure 10 is penetrated in each adjusting hole, and the first installation structure 1, the second installation structure 3, the third installation structure 5 and the fourth installation structure 7 with adjustable positions are respectively connected with the locking structure 10; a plurality of sucker structures 9 are arranged on each mounting structure in a whole row.

Referring further to fig. 2 and 3, in the present embodiment, the first mounting structure 1 includes a grooved adaptor 1-1, a T-shaped groove 1-3 extending along the length direction of the grooved adaptor 1-1 is formed on the grooved adaptor 1-1, the extending direction of the T-shaped groove 1-3 is perpendicular to the extending direction of the corresponding adjusting hole, and a locking structure 10 is inserted into the T-shaped groove 1-3 and is lockable in position; through the arrangement, the mounting structure can be ensured to move along the extending direction of the corresponding adjusting hole, and meanwhile, the mounting structure can also move along the direction perpendicular to the extending direction of the corresponding adjusting hole, so that the moving range of the mounting structure is enlarged. Thereby increasing the range of movement of the plurality of suction cup structures 9 mounted on the mounting structure.

As shown in fig. 3, the first mounting structure 1 further includes a gas passage 1-2 provided in the grooved adaptor 1-1 and communicating with the side surface thereof, that is, the gas passage 1-2 communicates with both ends of the grooved adaptor 1-1 in the longitudinal direction; the air port at one end is provided with a plug, the air port at the other end is provided with an air tap and is connected with a vacuum generator not shown in the figure through an air pipeline, and the vacuum generator is connected with an air source after being connected with an electromagnetic valve through the air pipeline. In addition, a plurality of groups of air ports communicated with the air passages 1-2 are formed on the inner side surface of the grooved adapter 1-1, and air nozzles are arranged on the air ports and are communicated with a plurality of corresponding sucker structures 9 through air pipelines. During installation, the gas line may pass through the threaded bore 12.

In addition, in order to conveniently install a plurality of sucking disc structures 9, the first installation structure 1 further comprises a sucking disc installation frame 1-4 connected with the sucking disc structures 9, a plurality of groups of connecting rods 1-5 are fixedly connected to the back surface of the sucking disc installation frame 1-4, and the grooved adapter 1-1 is connected with the grooved adapter 1-1 through the connecting rods 1-5.

In the present embodiment, the first mounting structure 1, the second mounting structure 3, the third mounting structure 5, and the fourth mounting structure 7 are identical in structure.

With further reference to fig. 3, in this embodiment, the locking structure 10 includes an adjustment slider 10-1 slidably coupled to the T-shaped slot 1-3, and further includes a locking knob 10-2 mounted on the adjustment slider 10-1, the locking knob 10-2 being disposed through the adjustment aperture. In the actual working process, the locking knob 10-2 is screwed to lock and connect the grooved adapter piece 1-1 and the grabbing mounting plate 11, so that the position of the mounting structure is fixed to lock the position of the sucker structure 9 mounted on the mounting structure; conversely, unscrewing the locking knob 10-2 can release the locking connection between the grooved adapter 1-1 and the gripping mounting plate 11, so as to move the mounting structure, thereby changing the position of the suction cup structure 9 mounted thereon, wherein the mounting structure can move along the extending direction of the corresponding adjusting hole or along the direction perpendicular to the extending direction of the corresponding adjusting hole, specifically: the mounting structure and the unscrewed locking knob 10-2 move to the proper positions along the corresponding adjusting holes together, and then the grooved adapter 1-1 is moved, so that the grooved adapter 1-1 moves to the proper positions along the T-shaped groove 1-3 relative to the locking knob 10-2, and the relative movement of the grooved adapter 1-1 and the locking knob 10-2 is realized; after the movement of the mounting structure is completed, the locking knob 10-2 needs to be screwed so that the grooved adapter 1-1 is in locking connection with the grabbing mounting plate 11.

With further reference to fig. 3 and 4, in this embodiment, the suction cup structure 9 includes a buffer mounting seat 9-3 disposed below the mounting structure, a negative pressure suction cup 9-1 is mounted on the buffer mounting seat 9-3, and the negative pressure suction cup 9-1 is communicated with the gas passage 1-2 on the grooved adapter 1-1 through a gas nozzle and a gas pipeline. The sucker structure 9 further comprises a spring guide rod 9-2 arranged on the buffer mounting seat 9-3, the spring guide rod 9-2 is in sliding connection with the sucker mounting frame 1-4 in the mounting structure through a linear bearing 9-5, the sucker structure 9 further comprises a buffer spring 9-4 arranged between the buffer mounting seat 9-3 and the mounting structure and penetrating through the spring guide rod 9-2, in order to improve the moving stability of the negative pressure sucker 9-1, in the embodiment, the spring guide rod 9-2 is provided with two groups, a limiting mounting plate 9-6 is arranged at the top of the spring guide rod 9-2, and the limiting mounting plate 9-6 is used for connecting the two groups of spring guide rods 9-2 into a whole.

In order to limit the moving stroke of the negative pressure sucker 9-1, the sucker structure 9 further comprises a lower limit rod 9-8 arranged on the buffer mounting seat 9-3 and positioned between the buffer mounting seat 9-3 and the mounting structure, wherein the upper end part of the lower limit rod 9-8 is higher than an air tap arranged on the negative pressure sucker 9-1; the sucker structure 9 further comprises an upper limit rod 9-7 arranged on the limit mounting plate 9-6, and when the lower end part of the upper limit rod 9-7 is in contact with the sucker mounting frame 1-4, the limit mounting plate 9-6 is positioned above the linear bearing 9-5 and is in clearance fit with the linear bearing.

Through the arrangement, the damage to the negative pressure suction cup 9-1 and the sheet metal part caused by the impact of the negative pressure suction cup 9-1 on the sheet metal part to be processed after the transition downward movement of the grabbing mounting plate 11 can be avoided. Under the driving action of the mechanical arm, the grabbing mounting plate 11 and the sucker structure 9 synchronously move, after the negative pressure sucker 9-1 in the sucker structure 9 is contacted with the sheet metal part on the feeding table, the negative pressure sucker 9-1 stops moving downwards, at the moment, the grabbing mounting plate 11 continues to move downwards for a certain distance, along with the continuing downwards movement of the grabbing mounting plate 11, each mounting structure synchronously moves downwards, the mounting structure moving downwards can compress the buffer spring 9-4, under the action of the buffer spring 9-4 in a compressed state, the negative pressure sucker 9-1 fully contacts the sheet metal part, so that the sheet metal part can be stably installed, and the negative pressure sucker 9-1 is prevented from striking the sheet metal part.

In addition, in order to facilitate the adjustment of the position of the suction cup structure 9, a length scale is provided on the grip mounting plate 11.

The working process comprises the following steps:

the positions of the mounting structures are adjusted according to the size and shape of the sheet metal part to be processed, namely the corresponding locking knob 10-2 is unscrewed according to the shape and size of the sheet metal part, the locking structure 10 is moved along the corresponding adjusting hole, the mounting structure and the unscrewed locking knob 10-2 are jointly moved to the proper positions along the corresponding adjusting hole, then the grooved adapter 1-1 is moved, the grooved adapter 1-1 is moved to the proper positions along the T-shaped groove 1-3 relative to the locking knob 10-2, the movement of the corresponding sucker structure 9 is further realized, the locking knob 10-2 is screwed after the movement of the mounting structure is completed, and the grooved adapter 1-1 is in locking connection with the grabbing mounting plate 11; the above operation is then repeated to move each mounting structure as required so that the suction cup structure 9 avoids the through holes on the sheet metal part;

after the position adjustment of the sucker structure 9 is completed, the grabbing mounting plate 11 moves downwards to a preset position under the action of the mechanical arm, so that the plurality of negative pressure suckers 9-1 are fully contacted with the sheet metal parts on the feeding table, then the vacuum equipment is started to suck, negative air pressure is generated in the negative pressure suckers 9-1, so that the sheet metal parts to be lifted are firmly sucked, and the sheet metal parts to be lifted can be conveyed; when the sheet metal part to be lifted is conveyed to a destination, the sheet metal part to be lifted is stably inflated into the negative pressure sucker 9-1, so that the negative pressure in the negative pressure sucker 9-1 is changed from negative air pressure to zero air pressure or slightly positive air pressure, and the negative pressure sucker 9-1 is separated from the sheet metal part to be lifted, thereby completing the task of separating the sheet metal part.

Claims

1. Sheet metal grabbing device is used in machine case production, characterized by: the device comprises a grabbing mounting plate (11), wherein a first adjusting hole (2), a second adjusting hole (4), a third adjusting hole (6) and a fourth adjusting hole (8) which are distributed according to the circumferential direction are formed in the grabbing mounting plate (11); a locking structure (10) is arranged in each adjusting hole in a penetrating way, and a first installation structure (1), a second installation structure (3), a third installation structure (5) and a fourth installation structure (7) with adjustable positions are respectively connected through the locking structure (10); a plurality of sucker structures (9) which are distributed in a whole row are arranged on each mounting structure;

the sucker structure (9) comprises a buffer mounting seat (9-3) arranged below the mounting structure, a negative pressure sucker (9-1) is arranged on the buffer mounting seat (9-3), a spring guide rod (9-2) arranged on the buffer mounting seat (9-3), the spring guide rod (9-2) is in sliding connection with the mounting structure through a linear bearing (9-5), and a buffer spring (9-4) arranged between the buffer mounting seat (9-3) and the mounting structure and penetrating through the spring guide rod (9-2); a limit mounting plate (9-6) is arranged at the top of the spring guide rod (9-2).

2. The sheet metal grabbing device for chassis production of claim 1, wherein: the first mounting structure (1) comprises a grooved adapter piece (1-1), a T-shaped groove (1-3) extending along the length direction of the grooved adapter piece (1-1) is formed in the grooved adapter piece (1-1), and the locking structure (10) is arranged in the T-shaped groove (1-3) in a penetrating mode and can be locked in position; the device also comprises a gas passage (1-2) which is arranged on the grooved adapter (1-1) and communicated with the side surface of the grooved adapter.

3. The sheet metal grabbing device for chassis production as claimed in claim 2, wherein: the first mounting structure (1) further comprises a sucker mounting frame (1-4) connected with the sucker structure (9), a plurality of groups of connecting rods (1-5) are fixedly connected to the sucker mounting frame (1-4), and the grooved adapter (1-1) is connected with the grooved adapter (1-1) through the connecting rods (1-5).

4. The sheet metal grabbing device for chassis production of claim 3, wherein: the first mounting structure (1), the second mounting structure (3), the third mounting structure (5) and the fourth mounting structure (7) are identical in structure.

5. The sheet metal grabbing device for chassis production as claimed in claim 2, wherein: the locking structure (10) comprises an adjusting slide block (10-1) which is in sliding connection with the T-shaped groove (1-3), and further comprises a locking knob (10-2) which is arranged on the adjusting slide block (10-1), wherein the locking knob (10-2) is arranged in the adjusting hole in a penetrating mode.

6. The sheet metal grabbing device for chassis production of claim 1, wherein: the sucker structure (9) also comprises a lower limit rod (9-8) which is arranged on the buffer mounting seat (9-3) and is positioned between the buffer mounting seat (9-3) and the mounting structure; the device also comprises an upper limit rod (9-7) arranged on the limit mounting plate (9-6).

7. The sheet metal grabbing device for chassis production of claim 1, wherein: the first adjusting hole (2), the second adjusting hole (4), the third adjusting hole (6) and the fourth adjusting hole (8) are bar-shaped holes; the second adjusting hole (4) and the fourth adjusting hole (8) extend along the X direction, and the first adjusting hole (2) and the third adjusting hole (6) extend along the Y direction.

8. The sheet metal grabbing device for chassis production of claim 1, wherein: a plurality of groups of threading holes (12) are formed in the grabbing mounting plate (11).