CN220679416U

CN220679416U - Connecting rod sliding block bench drill

Info

Publication number: CN220679416U
Application number: CN202322317439.4U
Authority: CN
Inventors: 张睿鹏; 张红; 张晓磊; 白龙; 牛泽鹏
Original assignee: Shizuishan Industry And Trade Vocational And Technical College
Current assignee: Shizuishan Industry And Trade Vocational And Technical College
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-03-29
Anticipated expiration: 2033-08-28

Abstract

The application provides a connecting rod slider bench drill, include: the support body comprises a working platform, and a sliding rail is arranged on the working platform; the workpiece positioning device is arranged on the support body; a front-back moving part connected with the slide rail through a slide block, wherein the front-back moving part is used for fixing the drill bit assembly; the front end part of the front-back moving part is connected with one end of the pull rod in a rotating connection mode; and the non-center surface of the rotary valve in the rotary part is connected with the other end of the pull rod in a rotary connection mode. According to the drill bit drilling depth control device, after a workpiece is fixed, the drill bit moves back and forth under the action of the rotating force of the rotating valve, the drilling depth is controlled by controlling the rotating angle, the drill bit or the workpiece is not required to be directly moved manually, and the convenience, stability and safety of operation are improved.

Description

Connecting rod sliding block bench drill

Technical Field

The application relates to the technical field of machining equipment, in particular to a connecting rod sliding block bench drill.

Background

Bench drill is the short name of bench drill, and it is a kind of small-size drilling machine that can lay on the operation panel, and the main shaft is vertical to be arranged. The bench drill is mainly used for drilling, reaming, tapping, plane scraping and other works, and is generally used by fitters and woodworkers, and is characterized by small horsepower, good rigidity and easy maintenance.

When small or portable work pieces are drilled, the work pieces are drilled by manually moving the work pieces or manually moving the drill bit, and the operation mode is inconvenient to operate and difficult to control the drilling depth, and the personal safety of operators is affected.

Disclosure of Invention

The utility model aims to solve the problems of inconvenient operation, difficult control of drilling depth, poor safety and the like of the conventional drilling equipment when drilling a small or portable workpiece in the background art, and provides a connecting rod sliding block bench drill, which is specifically as follows.

A link slider bench drill comprising: the support body comprises a working platform, and a sliding rail is arranged on the working platform; the workpiece positioning device is arranged on the working platform; a front-back moving part connected with the slide rail through a slide block, wherein the front-back moving part is used for fixing the drill bit assembly; the front end part of the front-back moving part is connected with one end of the pull rod in a rotating connection mode; and the non-center surface of the rotary valve in the rotary part is connected with the other end of the pull rod in a rotary connection mode.

In the technical scheme, the drill bit assembly is fixed on the front-back moving part, the front-back moving part can slide back and forth along the track, the pull rod is connected with the front-back moving part and the non-center surface of the rotary valve respectively, so that a connecting rod sliding block mechanism is formed, the drill bit assembly fixed on the front-back moving part can be driven to move back and forth along the sliding rail through rotation of the rotary valve, and therefore the drill bit can move back and forth under the action of the rotation force of the rotary valve after the workpiece is fixed.

As an improvement technical scheme of the installation mode of the rotary valve, the rotary valve is installed in a circular groove of an upper cover plate above the working platform. The rotary valve is arranged in the circular groove of the upper cover plate, so that the rotary valve can be protected, and the problem that the rotary valve is damaged due to direct collision of other external forces and the rotary valve in field work is avoided.

As a preferable technical solution of the rotating part of the present application, the rotating part further includes: the rotating platform is connected with the rotating valve through a central rotating shaft; the hydraulic rod is connected with the rotary platform, the side face of the rotary platform is hinged with the end part of the telescopic rod of the hydraulic rod, and the tail part of the hydraulic rod is hinged with the rear cover plate of the supporting body.

The crankshaft structure is formed by the hydraulic rod and the rotary platform, so that the rotary platform is driven to rotate by the hydraulic rod, the rotary valve is driven to rotate, and finally the drill bit assembly is driven to move back and forth by the hydraulic rod. This application adopts hydraulic rod driven mode to compare motor drive advantage and includes: the hydraulic rod is driven to generate torque through hydraulic pressure, so that larger thrust can be provided, and the hydraulic rod is suitable for a scene of bearing larger load force when the drill bit assembly drills; the hydraulic rod driving system has the advantages of simple structure, stable working principle, difficult external interference and higher reliability; the hydraulic rod driving system can adjust the pressure and flow of the medium by controlling the hydraulic valve, thereby realizing the adjustment of parameters such as speed, strength, direction and the like.

As a further development of the rotating part of the present application, the hydraulic lever and the rotary platform are connected by a connecting block. As the improvement of this application hydraulic stem and back shroud connected mode, the afterbody of hydraulic stem is articulated with the rotation axis that sets up on the back shroud.

As a further improvement of the workpiece positioning device, the workpiece positioning device comprises a chuck seat provided with a clamping groove, and a chuck arranged on the chuck seat and used for positioning a clamping pin of the clamping groove on the chuck seat. And the edge of the working platform corresponding to the chuck seat is transversely provided with a clamping pin hole. Because the clamping groove is arranged on the chuck seat, the clamping pin can position the chuck seat through the clamping groove, so that the chuck seat and the clamping pin can be matched, the chuck position can be locked and fixed again after 90-degree adjustment rotation of the chuck can be realized, the 90-degree rotation of the workpiece can be realized, four-side drilling of the workpiece can be completed,

the beneficial effects of this application lie in:

1. the motor is fixedly connected with the drill clamping head, the hydraulic cylinder pushes the whole device to advance, the hydraulic cylinder is connected with the rotary platform, the rotary platform and the rotary valve rotate clockwise under the pushing action of the advancing force, and the sliding block and the connecting rod slide, so that the motor and the drill clamping head are driven to advance, and the whole set of mechanism runs unimpeded under the pushing action of the advancing force of the hydraulic cylinder and can drill holes on bars.

2. Fix drill bit subassembly on back-and-forth movement portion, back-and-forth movement portion can slide along the track, the pull rod is connected with the non-centre of a circle face of back-and-forth movement portion and rotary lobe respectively to forming connecting rod slider mechanism, rotating through the rotary lobe and can driving the drill bit subassembly of fixing on back-and-forth movement portion and reciprocate along the slide rail, thereby realized with the fixed back of work piece, the drill bit is at the back-and-forth movement of rotary lobe pivoted power down, this application accessible control rotation angle bores the degree of depth, need not to adopt artifical direct movement drill bit or work piece, the convenience of operation has been improved, stability and security.

3. The crankshaft structure is formed by the hydraulic rod and the rotary platform, so that the rotary platform is driven to rotate by the hydraulic rod, the rotary valve is driven to rotate, and finally the drill bit assembly is driven to move back and forth by the hydraulic rod. This application adopts hydraulic rod driven mode to compare motor drive advantage and includes: the hydraulic rod is driven to generate torque through hydraulic pressure, so that larger thrust can be provided, and the hydraulic rod is suitable for a scene of bearing larger load force when the drill bit assembly drills; the hydraulic rod driving system has the advantages of simple structure, stable working principle, difficult external interference and higher reliability; the hydraulic rod driving system can adjust the pressure and flow of the medium by controlling the hydraulic valve, thereby realizing the adjustment of parameters such as speed, strength, direction and the like.

4. The workpiece positioning device comprises a chuck seat, a chuck and a clamping pin, wherein the clamping groove is formed in the chuck seat, the clamping pin can be used for positioning the chuck seat through the clamping groove, so that the chuck seat and the clamping pin can be matched, the chuck can be locked and fixed again after 90-degree adjustment rotation of the chuck can be realized, 90-degree rotation of a workpiece is realized, and four-side drilling of the workpiece is completed.

Drawings

FIG. 1 is a drill axis side view of a connecting rod slide of the present application;

FIG. 2 is another isometric view of a link slider bench drill of the present application;

FIG. 3 is an exploded view of a link slider bench drill of the present application;

fig. 4 is a structural view of a rotating part 4 and a front-rear moving part 3 in a link slider bench drill according to the present application;

FIG. 5 is a partial axial cross-sectional view of a workpiece positioning device of a link slider bench drill of the present application;

in the drawing the view of the figure,

the device comprises a working platform 11, a sliding rail 111, an upper cover plate 12, a rear cover plate 13 and a rotating shaft 131;

a workpiece positioning device 2, a chuck seat 21, a clamping groove 211, a chuck 22 and a clamping pin 23;

a back-and-forth moving part 3, a slider 31, and a back-and-forth moving part 3;

the rotating part 4, the pull rod 41, the rotating valve 42, the central rotating shaft 43, the rotating platform 44, the hydraulic rod 45 and the connecting block 46 are connected;

drill bit assembly a.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on the embodiments of the present utility model, are intended to be within the scope of the present application.

Fig. 1 to 3 are a schematic structural view and an explosion schematic view of a link slider bench drill, respectively, wherein the link slider bench drill in the drawings comprises: the support body comprises a working platform 11, and a sliding rail 111 is arranged on the working platform 11; a workpiece positioning device 2 provided on the support body; a front-back moving part 3 connected to the slide rail 11 through a slide block 31, the front-back moving part 3 fixing the drill bit assembly a; the front end part of the front-back moving part 3 is connected with one end of a pull rod 41 in a rotating connection mode; and a rotating part 4, wherein the non-center surface of the rotating valve 42 in the rotating part 4 is connected with the other end of the pull rod 41 in a rotating connection mode.

In the technical solution described in this embodiment, the drill bit assembly a is fixed on the front-back moving part 3, the front-back moving part 3 can move on the slide rail 111 provided on the working platform 11 through the slide block 31, the front end of the front-back moving part 3 is connected with one end of the pull rod 41 by means of rotational connection, and the other end of the pull rod 41 is rotationally connected with the non-circular center surface of the rotary lobe 42 in the rotating part 4.

It can be seen that the rotating lobe 42, the pull rod 41, the front-back moving part 3 and the slide rail 111 form a link slider mechanism, in the implementation process, a section of the pull rod 41 is driven to rotate by the rotation of the rotating lobe 42, and the front-back moving part 3 at the other end of the pull rod 41 is limited in the slide rail 111, so that the rotation motion is converted into the linear motion, at this time, a fixed relationship exists between the speed of the slider and the angular speed of the link, namely v=l2ω, wherein v represents the speed of the slider, and ω represents the angular speed of the link; the length of the connecting rod is L, the displacement of the sliding block is S, and when the connecting rod rotates by an angle theta, the displacement of the linear motion of the sliding block is S=L1θ. Through this embodiment to realized with the fixed back of work piece, the drill bit is back and forth movement under the effect of rotatory lamella rotation force, this embodiment accessible control rotation angle control bores the degree of depth, need not to adopt artifical direct movement drill bit or work piece, has improved convenience, stability and the security of operation.

In order to avoid the problem that other external forces directly collide with the rotary valve 42 during field work, damage to the rotary valve 42 occurs, in some embodiments of the present application, the rotary valve 42 is installed in a circular groove of the upper cover plate 12 above the working platform 11, and the rotary valve 42 is installed in a circular groove of the upper cover plate 12, so that a protection effect on the rotary valve can be achieved.

On the basis of the above embodiment, please continue to refer to fig. 1 to 4, wherein fig. 4 is a structural view of the rotating part 4 and the back and forth moving part 3 in the link slider bench drill of the present application. In some embodiments, the rotating part 4 further comprises a rotating platform 44 connected to the rotating flap 42 by a central rotating shaft 43; a hydraulic rod 45 connected to the rotary table 44, the hydraulic rod 45 and the rotary table 44 being connected by a connection block 46. The side of the rotating platform 44 is hinged to the end of the telescopic rod of the hydraulic rod 45, and the tail of the hydraulic rod 45 is hinged to the rear cover plate 13 of the support body. The tail of the hydraulic rod 45 is hinged with a rotating shaft 131 arranged on the rear cover plate 13.

In this embodiment, a rotary table 44 and a rotatable hydraulic lever 45 form a crankshaft structure, which converts the linear movement of the hydraulic lever 45 into a rotary movement of the rotary table 44. In the implementation process, the tail part of the hydraulic rod 45 can rotate on the rotating shaft 131, the telescopic rod end part of the hydraulic rod 45 is hinged with the side surface (namely, the non-circular surface) of the rotating platform 44 through the connecting block 46, and the rotating valve 42 is fixedly connected with the rotating platform 44 through the central rotating shaft 43, so that the driving force of the hydraulic rod is converted into the rotating force of the rotating valve 42.

In the specific implementation process, since the end of the telescopic rod is hinged to the side face of the rotary platform 44 through the connecting block 46, the rotary platform 44 also rotates along with the telescopic rod in the telescopic process of the hydraulic rod 45, and since the rotary valve 42 is fixedly connected with the rotary platform 44 through the central rotating shaft 43, the rotary valve 42 rotates at the same angle in the rotating process of the rotary platform 44, and then the linear motion of the hydraulic rod 45 is converted into the rotating motion of the rotary platform 44, so that the hydraulic rod 45 drives the rotary platform 44 to rotate, and then drives the rotary valve 42 to rotate, and finally the drill bit assembly a is driven to move back and forth through the hydraulic rod 45. Compared with a motor driving mode, the hydraulic rod driving mode adopted in the implementation has the advantages of being applicable to a scene of bearing larger load force when a drill bit assembly drills, and being higher in reliability; the speed, the strength, the direction and other parameters can be conveniently adjusted.

On the basis of the above embodiment, referring to fig. 2 and 5, fig. 2 is an axial side view of the link slider bench drill, and fig. 5 is a partial axial side sectional view of the workpiece positioning device; the workpiece positioning device 2 comprises a chuck seat 21 provided with a clamping groove, a chuck 22 arranged on the chuck seat 21 and a clamping pin 23 used for positioning the clamping groove on the chuck seat 21. The edge of the working platform 11 corresponding to the chuck seat 21 is transversely provided with a clamping pin hole. Because the clamping groove 211 is formed in the chuck seat 21, the clamping pin 23 can position the chuck seat 23 through the clamping groove 211, so that the chuck 22 can be locked and fixed again after 90-degree adjustment rotation of the chuck can be realized through the matching of the chuck seat 21 and the clamping pin 23, the 90-degree rotation of a workpiece can be realized, and four-side drilling of the workpiece can be completed.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the azimuth or positional relationship indicated by the technical terms "center", "up", "down", "front", "back", "lateral", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the embodiments of the present application.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present utility model.

Claims

1. A link slider bench drill, comprising:

the support body comprises a working platform (11), and a sliding rail (111) is arranged on the working platform (11);

a workpiece positioning device (2) arranged on the working platform (11);

a front-back moving part (3) connected with the slide rail (111) through a slide block (31), wherein the front-back moving part (3) is used for fixing a drill bit assembly (a); the front end part of the front-back moving part (3) is connected with one end of a pull rod (41) in a rotating connection mode;

and the non-center surface of the rotary valve (42) in the rotary part (4) is connected with the other end of the pull rod (41) in a rotary connection mode.

2. The link slider bench drill according to claim 1, characterized in that the rotary lobes (42) are mounted in circular grooves of an upper cover plate (12) located above the working platform (11).

3. The link slider bench drill according to claim 1, characterized in that the turning part (4) further comprises a rotary platform (44) connected to the rotary lobes (42) by a central rotation shaft (43);

the hydraulic rod (45) is connected with the rotary platform (44), the side face of the rotary platform (44) is hinged with the telescopic rod end part of the hydraulic rod (45), and the tail part of the hydraulic rod (45) is hinged with the rear cover plate (13) of the support body.

4. A link slider bench drill as claimed in claim 3, characterized in that the hydraulic lever (45) and the rotary table (44) are connected by means of a connecting block (46).

5. A link slider bench drill as claimed in claim 3, characterized in that the tail of the hydraulic rod (45) is hinged to a rotary shaft (131) provided on the back plate (13).

6. The link slider bench drill according to claim 1, characterized in that the workpiece positioning device (2) comprises: a chuck base (21) provided with a clamping groove (211), a chuck (22) arranged on the chuck base (21) and a clamping pin (23) used for positioning the clamping groove (211).

7. The link slider bench drill according to claim 6, characterized in that the edge of the working platform (11) corresponding to the chuck base (21) is transversely provided with a snap-pin hole.