CN213437368U

CN213437368U - Vacuum adsorption device for numerical control drilling machine

Info

Publication number: CN213437368U
Application number: CN202022311481.1U
Authority: CN
Inventors: 陶龙
Original assignee: Dongguan Xinsen Automation Technology Co ltd
Current assignee: Dongguan Xinsen Automation Technology Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-15
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a vacuum adsorption device that numerical control drilling machine used, including following subassembly: the saddle assembly comprises a saddle seat, a sliding block, a screw nut seat and a screw nut; at least one group of sliding blocks is arranged at the lower part of the sliding saddle seat; the two sliding blocks in each group are symmetrically arranged on the left side and the right side of the sliding saddle seat; the screw rod nut seat is arranged at the lower part of the sliding saddle seat and is positioned between one group of sliding blocks; the feed screw nut is arranged on the feed screw nut seat; the workpiece positioning assembly comprises a bottom plate, opposite top side plates, a cylinder and a V-shaped push block; the bottom plate is arranged at the upper part of the saddle body and is in a square plate shape; the two opposite top edge plates are respectively arranged on two adjacent straight edges of the bottom plate; the height of the opposite top edge plates is higher than that of the bottom plate. The utility model has the advantages of simple structure, the work piece clamping is swift, accurate.

Description

Vacuum adsorption device for numerical control drilling machine

Technical Field

The utility model belongs to the technical field of the drilling machine technique and specifically relates to a vacuum adsorption device that numerical control drilling machine used.

Background

The numerical control drilling machine is a machine tool which mainly uses a drill to machine holes on a workpiece. Usually, the drill bit rotates into a main motion, the drill bit moves axially into a feed motion, a workpiece is not moved in the machining process, a cutter moves, the center of the cutter is aligned with the center of a hole, and the cutter rotates. The existing numerical control drilling machine is simple in structure, a workpiece is directly adsorbed and fixed by the suction nozzle after being placed on the workpiece jig, and the workpiece is not accurately positioned and guided, so that the clamping precision of the workpiece is low, and the machining precision of the workpiece is finally influenced.

Thus, the prior art is subject to improvement and advancement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the problem among the above-mentioned prior art, provide a vacuum adsorption device that numerical control drilling machine used.

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

a vacuum adsorption device for a numerical control drilling machine comprises the following components:

the saddle assembly comprises a saddle seat, a sliding block, a screw nut seat and a screw nut; at least one group of sliding blocks is arranged at the lower part of the sliding saddle seat; the two sliding blocks in each group are symmetrically arranged on the left side and the right side of the sliding saddle seat; the screw rod nut seat is arranged at the lower part of the sliding saddle seat and is positioned between one group of sliding blocks; the feed screw nut is arranged on the feed screw nut seat;

the workpiece positioning assembly comprises a bottom plate, opposite top side plates, a cylinder and a V-shaped push block; the bottom plate is arranged at the upper part of the saddle body and is in a square plate shape; the two opposite top edge plates are respectively arranged on two adjacent straight edges of the bottom plate; the height of the opposite top side plates is higher than that of the bottom plate; the air cylinder is arranged at the upper part of the sliding saddle and drives the V-shaped push block to push the workpiece on the bottom plate to abut against the two opposite top side plates;

the adsorption assembly comprises a suction nozzle, a first air pipe, a first regulating valve, a second air pipe, an air pump and an air pump bracket; the suction nozzle sequentially penetrates through the bottom plate and the sliding saddle from top to bottom and is used for adsorbing a workpiece on the bottom plate; a first port of the first air pipe is communicated with the suction nozzle, and a second port of the first air pipe is communicated with a first port of the first regulating valve; a first port of the second air pipe is communicated with a second port of the first regulating valve, and a second port of the second air pipe is communicated with the air pump; the air pump is installed on the air pump support, and the air pump support is used for being connected and fixed with the machine tool.

As a further elaboration of the above technical solution:

in the above technical scheme, the upper surface of the bottom plate is provided with a first soft copper surface layer.

In the technical scheme, the surfaces of the two opposite top edge plates, which are matched with the workpiece, are provided with second soft copper surface layers.

In the technical scheme, the piston rod of the air cylinder is connected with an elastic buffer block; the elastic buffer block is fixedly connected with the V-shaped push block; the hardness of the elastic buffer block is 70A.

In the technical scheme, the middle part of the lower side of the saddle is fixedly connected with an installation frame of a frame structure; the number of the sliding blocks is two, and the four sliding blocks are correspondingly arranged at four corners of the mounting rack in pairs.

In the technical scheme, a sliding track with a downward opening is formed at the lower part of the sliding block; the top wall of the sliding track is provided with an installation groove; a jacking block capable of sliding up and down is arranged in the mounting groove; the top of the mounting groove is provided with a pressing spring.

In the above technical scheme, the upper wall of the jacking block and the top of the mounting groove are formed with corresponding blind holes for accommodating the end parts corresponding to the compression springs.

In the technical scheme, the device also comprises a three-way valve; three ports of the three-way valve are respectively communicated to a first port of the second air pipe, a second port of the first regulating valve and a first port of the second regulating valve.

The beneficial effects of the utility model reside in that:

firstly, the utility model pushes the workpiece on the bottom plate through the V-shaped push block, the workpiece can be accurately positioned by matching with the two opposite top side plates, and then the workpiece is tightly sucked and fixed by the suction nozzle, so that the clamping position of the workpiece is more accurate, and finally the processing quality of the workpiece is higher; secondly, the suction force of the suction nozzle on the workpiece can be conveniently adjusted by arranging the first adjusting valve, so that the situation that the bottom of the easily damaged workpiece is pulled due to the fact that the suction force of the suction nozzle is too large can be avoided; and finally, arranging a sliding rail in sliding fit with the sliding block on the sliding saddle seat and the screw rod nut on the drilling machine, and arranging the screw rod screwed with the screw rod nut on the drilling machine, so that the position of the sliding saddle seat can be conveniently adjusted by the rotation of the screw rod.

Drawings

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

fig. 2 is a second perspective view of the present invention;

fig. 3 is a cross-sectional view of the slider of the present invention.

The reference numbers in the figures are respectively: 1. a saddle seat; 2. a slider; 3. a screw nut seat; 4. a feed screw nut; 5. a base plate; 6. opposite vertex side plates; 7. a cylinder; 8. a V-shaped push block; 9. a suction nozzle; 10. a first air pipe; 11. a first regulating valve; 12. a second air pipe; 13. an air pump; 14. an air pump bracket; 15. an elastic buffer block; 16. a mounting frame; 17. a sliding track; 18. mounting grooves; 19. a jacking block; 20. a pressure spring; 21. a three-way valve; 22. a second regulating valve; 23. and (4) blind holes.

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.

Fig. 1-3 illustrate an embodiment of a vacuum adsorption device for a numerically-controlled drilling machine according to the present invention, and with reference to fig. 1-3, a vacuum adsorption device for a numerically-controlled drilling machine includes the following components:

the saddle component comprises a saddle body 1, a sliding block 2, a screw nut seat 3 and a screw nut 4. At least one group of the sliding blocks 2 are arranged at the lower part of the sliding saddle body 1; two sliding blocks 2 are arranged in each group and symmetrically arranged on the left side and the right side of the saddle body 1; the screw rod nut seat 3 is arranged at the lower part of the sliding saddle seat 1 and is positioned between one group of the sliding blocks 2; the feed screw nut 4 is mounted on the feed screw nut base 3. In this embodiment, at least one set of guide rails is installed on the numerical control rotary table; each group of guide rails is two, and the two slide rails in the same group correspond to the two slide blocks 2 in the same group one by one, so that the slide saddle 1 is slidably mounted on the numerical control drilling machine; then, an external screw rod is in threaded fit with the screw rod nut 4, and the screw rod is driven to rotate by a servo motor on the numerically-controlled drilling machine, so that the servo motor can drive the saddle body 1 to move on the drilling machine in a screw rod transmission mode.

The workpiece positioning component comprises a bottom plate 5, opposite top edge plates 6, a cylinder 7 and a V-shaped push block 8. The bottom plate 5 is arranged at the upper part of the saddle body 1 and is in a square plate shape; the two opposite top edge plates 6 are respectively arranged on two adjacent straight edges of the bottom plate 5; the height of the opposite top edge plates 6 is higher than that of the bottom plate 5; the air cylinder 7 is arranged at the upper part of the saddle 1 and drives the V-shaped push block 8 to push the workpiece on the bottom plate 5 to abut against the two opposite top side plates 6; specifically, the method comprises the following steps: the V-shaped pushing block 8 is provided with a V-shaped notch, two side walls of the V-shaped notch form an included angle of 90 degrees and are parallel to the side walls of the opposite top edge plates 6 respectively, and then when the air cylinder 7 is connected with an external air source and then drives the V-shaped pushing block 8 to move towards two opposite top edge plates 6, the side wall of one corner of a workpiece is abutted against the V-shaped notch, so that the guide and the positioning of an automatic workpiece are realized.

The adsorption assembly comprises a suction nozzle 9, a first air pipe 10, a first regulating valve 11, a second air pipe 12, an air pump 13 and an air pump bracket 14; the suction nozzle 9 sequentially penetrates through the bottom plate 5 and the saddle block 1 from top to bottom and is used for adsorbing a workpiece on the bottom plate 5; a first port of the first air pipe 10 is communicated with the suction nozzle 9, and a second port of the first air pipe 10 is communicated with a first port of the first regulating valve 11; a first port of the second air pipe 12 is communicated with a second port of the first regulating valve 11, and a second port of the second air pipe 12 is communicated with the air pump 13; the air pump 13 is mounted on the air pump bracket 14; the air pump support 14 is used for being connected and fixed with a machine tool. The working principle of the adsorption component is that the air pump 13 is communicated to the suction nozzle 9 sequentially through the second air pipe 12, the first regulating valve 11 and the first air pipe 10, and then the suction nozzle 9 can be controlled to suck a workpiece placed on the bottom plate 5 tightly when the air pump 13 works.

Furthermore, the upper surface of the bottom plate 5 is provided with a first soft copper surface layer in an electroplating mode, and the first soft copper surface layer with soft texture is additionally arranged, so that a workpiece can be effectively prevented from being scratched when sliding on the bottom plate 5, and the quality of the workpiece is improved.

Furthermore, two butt roof curb plate 6 is equipped with the soft copper top layer of second with work piece complex surface, through addding the soft copper top layer of softer second of texture, can prevent effectively that the work piece from being in scrape when sliding on the butt roof curb plate 6, and then improved the quality of work piece.

Further, a piston rod of the air cylinder 7 is connected with an elastic buffer block 15; the elastic buffer block 15 is fixedly connected with the V-shaped push block 8; the hardness of the elastic buffer block is 70A; work as V-arrangement ejector pad 8 compresses tightly the work piece to corresponding when on the counter-top board 6, small adaptability is out of shape can take place for elastic buffer block 15, in order to prevent the piston rod stroke of cylinder 7 is too big to lead to the work piece to be pressed from both sides and is hindered, has also improved simultaneously the utility model discloses a commonality can be applicable to the clamping of more not unidimensional work pieces.

Further, the middle part of the lower side of the saddle body 1 is fixedly connected with a mounting rack 16 of a frame structure; the number of the sliding blocks 2 is two, and the four sliding blocks 2 are correspondingly arranged at four corners of the mounting rack 16 in pairs. The utility model discloses a set up a plurality ofly slider 2 has increased stability when saddle 1 slides.

Further, a sliding track 17 with a downward opening is formed at the lower part of the sliding block 2; the top wall of the sliding track 17 is provided with a mounting groove 18; a jacking block 19 capable of sliding up and down is arranged in the mounting groove 18; a pressure spring 20 is abutted between the jacking block 19 and the top of the mounting groove 18. In the using process, as the sliding block 2 and the sliding rail of the numerically-controlled drilling machine continuously move relatively, the sliding block 2 and/or the sliding rail of the numerically-controlled drilling machine are abraded too fast, so that a gap is generated between the sliding block 2 and the sliding rail, and finally the sliding saddle 1 shakes when sliding; and the utility model discloses a set up the pressure spring 20 will the tight piece 19 in top tightly on the slide rail, realized real-time clearance compensation between slider 2 and the slide rail, and then improved stability when saddle body 1 slides.

Furthermore, the upper wall of the tightening block 19 and the top of the mounting groove 18 are formed with corresponding blind holes 23 for accommodating the corresponding end portions of the compression spring 20, so as to prevent the compression spring 20 from displacing.

Further, a three-way valve 21 is also included; three ports of the three-way valve 21 are respectively communicated to the first port of the second air pipe 12, the second port of the first regulating valve 11 and the first port of the second regulating valve 22, and then the second port of the second regulating valve 22 is connected to other suction nozzles 9 through a third air pipe, so that one air pump 13 can control a plurality of suction nozzles 9.

Further, it should be noted that: the first air pipe 10, the second air pipe 12 and the third air pipe are flexible pipes.

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

1. The utility model provides a vacuum adsorption device that numerically-controlled drilling machine used which characterized in that includes following subassembly:

2. The vacuum suction device for the numerically-controlled drilling machine as claimed in claim 1, wherein the upper surface of the base plate is provided with a first soft copper surface layer.

3. The vacuum adsorption device for the numerical control drilling machine as claimed in claim 2, wherein the surfaces of the two opposite top edge plates, which are matched with the workpiece, are provided with a second soft copper surface layer.

4. The vacuum adsorption device for the numerical control drilling machine as claimed in claim 3, wherein an elastic buffer block is connected to a piston rod of the cylinder; the elastic buffer block is fixedly connected with the V-shaped push block; the hardness of the elastic buffer block is 70A.

5. The vacuum adsorption device for the numerical control drilling machine according to any one of claims 1 to 4, wherein a mounting frame of a frame structure is fixedly connected to the middle part of the lower side of the saddle body; the number of the sliding blocks is two, and the four sliding blocks are correspondingly arranged at four corners of the mounting rack in pairs.

6. The vacuum adsorption device for the numerical control drilling machine as claimed in claim 5, wherein the lower part of the slide block is formed with a slide rail with a downward opening; the top wall of the sliding track is provided with an installation groove; a jacking block capable of sliding up and down is arranged in the mounting groove; the top of the mounting groove is provided with a pressing spring.

7. The vacuum adsorption device for the numerical control drilling machine as claimed in claim 6, wherein the upper wall of the jacking block and the top of the mounting groove are formed with corresponding blind holes for accommodating corresponding ends of the compression spring.

8. The vacuum adsorption device for the numerical control drilling machine as claimed in claim 6, further comprising a three-way valve; three ports of the three-way valve are respectively communicated to a first port of the second air pipe, a second port of the first regulating valve and a first port of the second regulating valve.