CN219310728U

CN219310728U - Positioning fixture for bench drilling machine

Info

Publication number: CN219310728U
Application number: CN202320304434.5U
Authority: CN
Inventors: 李文强
Original assignee: Wuhu Daguang Electromechanical Equipment Co ltd
Current assignee: Wuhu Daguang Electromechanical Equipment Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-07-07
Anticipated expiration: 2033-02-21

Abstract

The utility model provides a positioning fixture for a bench drilling machine, which relates to the technical field, and comprises a bottom plate, wherein vertical plates are arranged at two ends of the top of the bottom plate, a rotating mechanism is arranged in the vertical plates, a moving mechanism is arranged in a mounting cavity, a clamping seat is arranged at one end of the moving mechanism, a threaded groove is formed in the upper part of the inner part of the clamping seat in a penetrating manner, a threaded rod is arranged in the threaded groove in a penetrating manner, a rotating wheel is arranged at the top end of the threaded rod, and a pressing plate is rotatably arranged at the bottom end of the threaded rod; through being provided with moving mechanism in the inside of installation cavity, utilize moving mechanism's screw thread to change cover, screw rod, drive tooth, driving gear, first servo motor, gag lever post, the position of stop collar and stopper mutually support between can adjust the position of grip slipper according to the part size for the device can carry out the centre gripping to different automobile parts fixedly, thereby has improved the commonality of device when using greatly.

Description

Positioning fixture for bench drilling machine

Technical Field

The utility model relates to the technical field of bench drilling machines, in particular to a positioning clamp for a bench drilling machine.

Background

Along with the development of economy and the continuous improvement of the technology level, the mechanical industry in China is developed very rapidly, and more bench drilling machines are used in factories, so that the bench drilling machines are required to be used when automobile parts are produced and processed, and the bench drilling machines are called bench drilling machines for short, namely small drilling machines which can be placed on an operation table and are vertically arranged on a main shaft. The diameter of the bench drilling machine is generally below 13 mm and generally not more than 25 mm, and the bench drilling machine needs to be matched with a positioning clamp for use when in use;

as application number CN216758246U, a positioning jig for a bench drilling machine is disclosed, and specifically: the displacement device comprises a wheel disc, a sleeve arranged on one side of the drilling machine, a connecting shaft arranged at one end of the wheel disc and a top seat assembly arranged on one side of the connecting shaft; the positioning fixture for the bench drilling machine comprises a fixture table, wherein the fixture table is hinged with the drilling machine through a hinge shaft, the movable end of a top seat assembly is in contact connection with the fixture table, the fixture table is driven by the movable end of the top seat assembly to swing by a certain amplitude by taking the hinge shaft as a geometric center, however, in the technology, the position of the fixture is conveniently and rapidly adjusted according to the size of an automobile part, so that the fixture has certain limitation in use, and the universality of the fixture in use is reduced.

Disclosure of Invention

Aiming at the problems, the utility model provides a positioning clamp for a bench drilling machine, which solves the problems that in the prior art, the position of the clamp is inconvenient to adjust conveniently according to the size of an automobile part, so that the clamp has certain limitation in use, and the universality of the clamp in use is reduced.

In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the utility model provides a positioning fixture for bench drilling machine, includes the bottom plate, the riser is installed at the both ends at bottom plate top, the inside of riser is provided with rotary mechanism, install the chamber in the inboard of riser, the inside of installing the chamber is provided with moving mechanism, the grip slipper is installed to moving mechanism's one end, the inside top of grip slipper runs through and is provided with the screw groove, the inside of screw groove runs through and is provided with the threaded rod, the runner is installed on the top of threaded rod, the clamp plate is installed in the bottom rotation of threaded rod;

the moving mechanism comprises a threaded rotating sleeve, a screw rod, a transmission tooth, a driving gear, a first servo motor and a limiting structure, wherein the threaded rotating sleeve penetrates through one end of an installation cavity, the screw rod penetrates through the inside of the threaded rotating sleeve, one end of the screw rod is connected with one side of a clamping seat, the transmission tooth is installed on the outer side wall of the threaded rotating sleeve, the transmission tooth is arranged outside the installation cavity, the first servo motor is installed on one side below the installation cavity, the driving gear is installed at the output end of the first servo motor, and the driving gear and the transmission tooth are meshed with each other.

The further improvement is that: the limiting structure comprises a limiting rod, a limiting sleeve and a limiting block, wherein the limiting rod is arranged above and below the inside of the installation cavity, the limiting sleeve is arranged on the outer side wall of the limiting rod, one end of the limiting sleeve is connected with one end of the screw rod, the limiting block is arranged at one end of the inner side of the installation cavity, and a groove body matched with the limiting block is arranged on the outer side of the threaded rotating sleeve.

The further improvement is that: the cross section of the limiting rod is smaller than that of the limiting sleeve, and a sliding structure is formed between the limiting rod and the limiting sleeve.

The further improvement is that: the rotating mechanism comprises a second servo motor, a worm wheel and a guide structure, wherein the second servo motor is arranged at one end of the vertical plate, the worm is arranged inside the vertical plate, the output end of the second servo motor is connected with one end of the worm, the worm wheel is meshed with the upper side of the worm, and one end of the worm wheel is connected with one side of the installation cavity.

The further improvement is that: the guide structure comprises a limit groove and a sliding block, wherein the limit groove is formed in the vertical plate, the sliding block is arranged in the limit groove, and one end of the sliding block is connected with one side of the installation cavity.

The further improvement is that: two sliding blocks are arranged in the limiting groove, and the two sliding blocks are symmetrically distributed with respect to the central axis of the limiting groove.

The beneficial effects of the utility model are as follows: the movable mechanism is arranged in the mounting cavity, and the positions of the clamping seats can be adjusted according to the sizes of the parts by utilizing the mutual coordination among the threaded rotating sleeve, the screw rod, the transmission teeth, the driving gear, the first servo motor, the limiting rod, the limiting sleeve and the limiting block of the movable mechanism, so that the device can clamp and fix different automobile parts, and the universality of the device in use is greatly improved; through being provided with rotary mechanism in the inside of riser, utilize rotary mechanism's second servo motor, worm wheel, spacing groove and sliding block's mutually supporting, can drive the good car spare part of centre gripping and rotate the processing for more convenient high-efficient when drilling the bottom surface of car spare part, thereby improved the practicality of device when using greatly.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional structure of a moving mechanism according to the present utility model;

FIG. 3 is a schematic view of the structure of the present utility model shown in FIG. 2 at a partially enlarged scale;

fig. 4 is a schematic view of a partial enlarged structure at B in fig. 2 according to the present utility model.

Wherein: 1. a bottom plate; 2. a riser; 3. a mounting cavity; 4. a clamping seat; 5. a thread groove; 6. a threaded rod; 7. a rotating wheel; 8. a pressing plate; 9. a thread rotating sleeve; 10. a screw; 11. a drive tooth; 12. a drive gear; 13. a first servo motor; 14. a limit rod; 15. a limit sleeve; 16. a limiting block; 17. a second servo motor; 18. a worm; 19. a worm wheel; 20. a limit groove; 21. a sliding block.

Detailed Description

The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

According to the fig. 1, 2, 3, 4 show, this embodiment has proposed a positioning fixture for bench drilling machine, including bottom plate 1, riser 2 is installed at the both ends at bottom plate 1 top, the inside of riser 2 is provided with rotary mechanism, install cavity 3 is installed to the inboard of riser 2, the inside of installing cavity 3 is provided with moving mechanism, grip slipper 4 is installed to moving mechanism's one end, the top inside grip slipper 4 is run through and is provided with thread groove 5, the inside of thread groove 5 is run through and is provided with threaded rod 6, runner 7 is installed on the top of threaded rod 6, the bottom rotation of threaded rod 6 is installed clamp plate 8, and during the use, places the one end of auto parts in the inboard of grip slipper 4, then rotates runner 7, because threaded connection between thread groove 5 and the threaded rod 6, so that threaded rod 6 moves in the inside of thread groove 5, and then drives clamp plate 8 and carries out fixed processing to the one end of auto parts with clamp plate 8.

The moving mechanism comprises a thread rotating sleeve 9, a screw rod 10, a transmission gear 11, a driving gear 12, a first servo motor 13 and a limiting structure, wherein the thread rotating sleeve 9 penetrates through one end of the installation cavity 3, the screw rod 10 penetrates through the inside of the thread rotating sleeve 9, one end of the screw rod 10 is connected with one side of a clamping seat 4, the transmission gear 11 is installed on the outer side wall of the thread rotating sleeve 9, the transmission gear 11 is arranged outside the installation cavity 3, the first servo motor 13 is installed on one side below the installation cavity 3, the driving gear 12 is installed at the output end of the first servo motor 13, the driving gear 12 and the transmission gear 11 are meshed with each other, during use, the first servo motor 13 is started to drive the driving gear 12 to rotate, and because the driving gear 12 and the transmission gear 11 are meshed with each other, the transmission gear 11 is utilized to drive the thread rotating sleeve 9 under the limiting of a limiting block 16 and a groove body, the transmission gear 11 is connected with the screw rod 10 through threads, the transmission gear 11 is arranged outside the installation cavity 3, the first servo motor 13 is installed on one side of the installation cavity 3, the driving gear 12 is installed at the output end of the driving gear 12, and the driving gear 10 is driven by the driving gear 10 to move to the other side of the clamping seat 4, and the clamping seat 4 is further movable to the large, and the clamping seat 4 is not movable to the large, and the clamping device can be used to move the clamping seat 4.

The limiting structure comprises a limiting rod 14, a limiting sleeve 15 and a limiting block 16, wherein the limiting rod 14 is arranged above and below the inside of the installation cavity 3, the limiting sleeve 15 is arranged on the outer side wall of the limiting rod 14, one end of the limiting sleeve 15 is connected with one end of the screw rod 10, the limiting block 16 is arranged at one end of the inner side of the installation cavity 3, a groove body which is mutually matched with the limiting block 16 is arranged on the outer side of the thread rotating sleeve 9, the cross section of the limiting rod 14 is smaller than that of the limiting sleeve 15, a sliding structure is formed between the limiting rod 14 and the limiting sleeve 15, during use, the limiting treatment can be carried out on the screw rod 10 during movement by utilizing the mutual matching between the limiting rod 14 and the limiting sleeve 15, the limiting treatment can be carried out on the thread rotating sleeve 9 during rotation by utilizing the mutual matching between the limiting block 16 and the groove body, and the thread rotating sleeve 9 is more stable during rotation.

The rotary mechanism comprises a second servo motor 17, a worm 18, a worm wheel 19 and a guide structure, wherein the second servo motor 17 is arranged at one end of the vertical plate 2, the worm 18 is arranged inside the vertical plate 2, the output end of the second servo motor 17 is connected with one end of the worm 18, the worm wheel 19 is meshed above the worm 18, one end of the worm wheel 19 is connected with one side of the installation cavity 3, during use, the second servo motor 17 is started to drive the worm 18 to rotate, and the worm wheel 19 is driven to rotate due to the mutual meshing between the worm 18 and the worm wheel 19, so that the worm wheel 19 is driven to rotate under the limit of the limit groove 20 and the sliding block 21, the clamping seat 4 is driven to rotate by the worm wheel 19, and then the automobile parts are driven to rotate, so that the bottom surface of the automobile parts is drilled, and the practicality of the device during use is greatly improved.

The guide structure comprises a limit groove 20 and a sliding block 21, wherein the limit groove 20 is arranged in the vertical plate 2, the sliding block 21 is arranged in the limit groove 20, one end of the sliding block 21 is connected with one side of the installation cavity 3, two sliding blocks 21 are arranged in the limit groove 20, the two sliding blocks 21 are symmetrically distributed about the central axis of the limit groove 20, and when the guide structure is used, the installation cavity 3 can be guided during rotation by utilizing the mutual cooperation between the limit groove 20 and the sliding blocks 21, so that the installation cavity 3 is more stable during rotation.

Working principle: the staff firstly places one end of the automobile part on the inner side of the clamping seat 4, then rotates the rotating wheel 7, because of the threaded connection between the thread groove 5 and the threaded rod 6, the threaded rod 6 moves in the thread groove 5, and then drives the pressing plate 8 to move, one end of the automobile part is fixed by the pressing plate 8, then the first servo motor 13 is started to drive the driving gear 12 to rotate, because the driving gear 12 and the driving gear 11 are meshed with each other, the driving gear 11 is utilized to drive the thread rotating sleeve 9 to rotate under the limit of the limiting block 16 and the groove body, because of the threaded connection between the thread rotating sleeve 9 and the threaded rod 10, the threaded rod 10 is driven to move under the limit of the limiting rod 14 and the limiting sleeve 15, and then drives the clamping seat 4 to move, the other end of the automobile part moves to the inner side of the clamping seat 4, then the rotating wheel 7 drives the pressing plate 8 to move downwards, and the automobile part is clamped and fixed by the drilling machine, when the bottom of the automobile part is required to be drilled, the second servo motor 17 is started to drive the worm 18 to rotate, the worm wheel 18 and the worm wheel 18 to rotate, the worm wheel 19 is driven to rotate, and the worm wheel 19 is driven to rotate under the limit of the limiting block 19, and the rotating block 19 is driven to rotate the automobile part is driven to rotate under the limiting block 19, and the rotating part is further driven to rotate under the limiting seat 19.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Positioning fixture for bench drilling machine, comprising a bottom plate (1), characterized in that: riser (2) are installed at both ends at bottom plate (1) top, the inside of riser (2) is provided with rotary mechanism, install installation cavity (3) in the inboard of riser (2), the inside of installation cavity (3) is provided with moving mechanism, grip slipper (4) are installed to moving mechanism's one end, the top inside grip slipper (4) runs through and is provided with thread groove (5), the inside of thread groove (5) runs through and is provided with threaded rod (6), runner (7) are installed on the top of threaded rod (6), clamp plate (8) are installed in the bottom rotation of threaded rod (6);

the moving mechanism comprises a thread rotating sleeve (9), a screw rod (10), a transmission tooth (11), a driving gear (12), a first servo motor (13) and a limiting structure, wherein the thread rotating sleeve (9) penetrates through one end of the installation cavity (3), the screw rod (10) penetrates through the inside of the thread rotating sleeve (9), one end of the screw rod (10) is connected with one side of the clamping seat (4), the transmission tooth (11) is installed on the outer side wall of the thread rotating sleeve (9), the transmission tooth (11) is arranged outside the installation cavity (3), the first servo motor (13) is installed on one side below the installation cavity (3), the driving gear (12) is installed at the output end of the first servo motor (13), and the driving gear (12) and the transmission tooth (11) are meshed with each other.

2. A positioning fixture for a bench drilling machine as in claim 1 wherein: the limiting structure comprises a limiting rod (14), a limiting sleeve (15) and a limiting block (16), wherein the limiting rod (14) is arranged above and below the inside of the installation cavity (3), the limiting sleeve (15) is arranged on the outer side wall of the limiting rod (14), one end of the limiting sleeve (15) is connected with one end of the screw rod (10), the limiting block (16) is arranged at one end of the inner side of the installation cavity (3), and a groove body matched with the limiting block (16) is formed in the outer side of the threaded rotating sleeve (9).

3. A positioning fixture for a bench drilling machine as in claim 2 wherein: the cross section of the limiting rod (14) is smaller than that of the limiting sleeve (15), and a sliding structure is formed between the limiting rod (14) and the limiting sleeve (15).

4. A positioning fixture for a bench drilling machine as in claim 1 wherein: the rotating mechanism comprises a second servo motor (17), a worm (18), a worm wheel (19) and a guiding structure, wherein the second servo motor (17) is arranged at one end of the vertical plate (2), the worm (18) is arranged inside the vertical plate (2), the output end of the second servo motor (17) is connected with one end of the worm (18), the worm wheel (19) is meshed with the upper side of the worm (18), and one end of the worm wheel (19) is connected with one side of the installation cavity (3).

5. A positioning fixture for a bench drilling machine as in claim 4 wherein: the guide structure comprises a limit groove (20) and a sliding block (21), wherein the limit groove (20) is formed in the vertical plate (2), the sliding block (21) is arranged in the limit groove (20), and one end of the sliding block (21) is connected with one side of the installation cavity (3).

6. A positioning fixture for a bench drilling machine as in claim 5 wherein: two sliding blocks (21) are arranged in the limiting groove (20), and the two sliding blocks (21) are symmetrically distributed relative to the central axis of the limiting groove (20).