CN213729427U

CN213729427U - Bench drill positioner

Info

Publication number: CN213729427U
Application number: CN202022363478.4U
Authority: CN
Inventors: 江定忠
Original assignee: Chongqing Tianding Xiangchang Technology Development Co ltd
Current assignee: Chongqing Tianding Xiangchang Technology Development Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-07-20
Anticipated expiration: 2030-10-22

Abstract

The utility model belongs to the technical field of the drilling machine locating component technique and specifically relates to a bench drilling machine positioner, including the U-shaped frame, both sides all have seted up the window in the U-shaped frame, both sides all are equipped with positioning mechanism in the U-shaped frame, positioning mechanism includes two supporting shoes, equal threaded connection has the screw rod on the supporting shoe, the screw rod lower extreme runs through the supporting shoe, the fixed mounting of screw rod upper end has the spline, equal fixed mounting has the sprocket on two screw rods, U-shaped frame top is equipped with the sliding seat, be equipped with the guide bar between two lugs that are located one side, the guide bar both ends are fixed mounting respectively on the lug, the fixed mounting in sliding seat top has the second motor, the output shaft end fixed mounting of second motor has the drilling rod, the lower tip fixed mounting has the drill bit under the drilling rod; through setting up positioning mechanism, first motor drives the clamp plate and moves down and compress tightly the work piece, realizes the location to the work piece, and the clamp plate position lock is dead simultaneously, and the pressure of the work piece of clamp plate can remain unchanged.

Description

Bench drill positioner

Technical Field

The utility model relates to a drilling machine locating component technical field especially relates to a bench drill positioner.

Background

A bench drilling machine is a bench drill for short, and refers to a small-sized drilling machine which can be placed on an operation table and is provided with a main shaft in vertical arrangement. The diameter of the bench drill is generally less than 13 mm, and generally not more than 25 mm. The main shaft speed change is generally realized by changing the position of a triangular belt on a tower-shaped belt wheel, the main shaft feeding is operated manually, a bench drilling machine mainly performs the operations of drilling, reaming, tapping, scraping a plane and the like on small and medium-sized parts, is used in a machining workshop and a die repairing and assembling workshop, and has the characteristics of small horsepower, high rigidity, high precision, good rigidity, convenient operation and easy maintenance compared with the domestic and foreign similar machine tools.

The existing bench drilling machine needs an artificial plate to be placed at a corresponding position for drilling in the process of drilling a circuit board or wood, and drilling quality is affected due to the fact that drilling is convenient to move caused by vibration in the drilling process due to the fact that a workpiece cannot be fixed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the bench drill can't be fixed to the work piece that exists among the prior art, and the bench drill positioner who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a positioning device of a bench drilling machine is designed, and comprises a U-shaped frame, wherein windows are arranged on two sides in the U-shaped frame, positioning mechanisms are arranged on two sides in the U-shaped frame, the positioning mechanisms comprise two supporting blocks, the two supporting blocks are arranged at intervals and fixedly arranged on the inner side of the U-shaped frame, screw rods are in threaded connection with the supporting blocks, the lower ends of the screw rods penetrate through the supporting blocks, pressing plates are fixedly arranged at the bottom ends of the screw rods, splines are fixedly arranged at the upper end parts of the screw rods, chain wheels are fixedly arranged on the two screw rods, the two chain wheels are in chain transmission, a supporting plate is fixedly arranged on the outer side of the U-shaped frame, two rotating shafts are rotatably arranged at the top of the supporting plate, gears are fixedly arranged on the two rotating shafts, the two gears penetrate through the windows and are respectively meshed with the two splines, worm gears are fixedly arranged at the top of the rotating shafts, two side plates which are distributed at intervals are fixedly arranged on the outer side of the U-shaped frame, a worm is arranged between the two side plates, the worm is meshed with the two worm wheels, two ends of the worm are respectively and rotatably arranged on the side plates, a first motor is fixedly arranged on the side plate on one side, the first motor penetrates through the side plate and is fixedly connected with the worm, the two ends of the top of the U-shaped frame are fixedly provided with lug blocks, the top end of the U-shaped frame is provided with a movable seat, a guide rod is arranged between the two ear blocks positioned at one side, the guide rods at the two sides respectively penetrate through the two ends of the movable seat, two ends of the guide rod are respectively and fixedly arranged on the ear blocks, the top of the movable seat is fixedly provided with a second motor, the output shaft of second motor runs through the sliding seat, the output shaft tip fixed mounting of second motor has the drilling rod, tip fixed mounting has the drill bit under the drilling rod.

Preferably, the bottom of the pressure plate is provided with a friction plate.

Preferably, the bottom of the U-shaped frame is provided with a shock pad.

Preferably, the bottom in the U-shaped frame is provided with anti-skid grains.

The utility model provides a pair of bench drill positioner, beneficial effect lies in: through setting up positioning mechanism, first motor drives the clamp plate and moves down and compress tightly the work piece, realizes the location to the work piece, and the clamp plate position lock is dead simultaneously, and the pressure of the work piece of clamp plate can remain unchanged.

Drawings

Fig. 1 is a schematic structural diagram of a positioning device of a bench drill, which is provided by the present invention.

Fig. 2 is a schematic structural diagram of a positioning device of a bench drill according to the present invention.

Fig. 3 is a front view of the positioning device of the bench drill provided by the present invention.

In the figure: the device comprises a U-shaped frame 1, a window 2, a supporting block 3, a screw rod 4, a pressing plate 5, a spline 6, a chain wheel 7, a chain 8, a supporting plate 9, a rotating shaft 10, a gear 11, a worm wheel 12, a side plate 13, a worm 14, a first motor 15, an ear block 16, a movable seat 17, a guide rod 18, a second motor 19, a drill rod 20, a drill bit 21 and a friction plate 22.

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 is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a positioning device for a bench drill comprises a U-shaped frame 1, two sides of the inside of the U-shaped frame 1 are both provided with windows 2, two sides of the inside of the U-shaped frame 1 are both provided with positioning mechanisms, the positioning mechanisms comprise two supporting blocks 3, the two supporting blocks 3 are arranged at intervals and fixedly arranged at the inner side of the U-shaped frame 1, the supporting blocks 3 are both in threaded connection with screws 4, the lower ends of the screws 4 penetrate through the supporting blocks 3, the bottom ends of the screws 4 are fixedly provided with pressing plates 5, the upper ends of the screws 4 are fixedly provided with splines 6, the two screws 4 are both fixedly provided with chain wheels 7, the two chain wheels 7 are driven by chains 8, the outside of the U-shaped frame 1 is fixedly provided with a supporting plate 9, the top of the supporting plate 9 is rotatably provided with two rotating shafts 10, the two rotating shafts 10 are both fixedly provided with gears 11, the two gears 11 penetrate through the windows 2 and are respectively engaged with the two splines 6, the top of the rotating shaft 10 is fixedly provided with worm wheels 12, the outer side of the U-shaped frame 1 is fixedly provided with two side plates 13 which are distributed at intervals, a worm 14 is arranged between the two side plates 13, the worm 14 is meshed with the two worm wheels 12, two ends of the worm 14 are respectively and rotatably arranged on the side plates 13, a first motor 15 is fixedly arranged on the side plate 13 positioned on one side, the first motor 15 penetrates through the side plates 13 and is fixedly connected with the worm 14, two ends of the top of the U-shaped frame 1 are respectively and fixedly provided with lug blocks 16, the top of the U-shaped frame 1 is provided with a movable seat 17, a guide rod 18 is arranged between the two lug blocks 16 positioned on one side, the guide rods 18 on two sides respectively penetrate through two ends of the movable seat 17, two ends of the guide rod 18 are respectively and fixedly arranged on the lug blocks 16, the top of the movable seat 17 is fixedly provided with a second motor 19, an output shaft of the second motor 19 penetrates through the movable seat 17, and the end part of the output shaft of the second motor 19 is fixedly provided with a drill rod 20, a drill bit 21 is fixedly mounted at the lower end of the drill rod 20. By arranging the positioning mechanism, a workpiece is arranged in the U-shaped frame 1, the first motor 15 is started to drive the worm 14 to rotate, the worm 14 drives the two worm wheels 12 to rotate, and the transmission between the worm 14 and the worm wheels 12 has self-locking property, namely, the worm wheel 12 can not drive the worm 14 to rotate reversely, the worm wheel 12, the rotating shaft 10 and the gear 11 are arranged integrally, thereby the gear 11 rotates and drives the spline 6 to rotate, the spline 6, the screw rod 4, the chain wheels 7 and the pressing plate 5 are arranged integrally, the two chain wheels 7 are driven by the chain 8, thereby the pressure plate 5 moves downwards and presses the workpiece to realize the positioning of the workpiece, meanwhile, the position of the pressure plate 5 is locked, the pressure of the workpiece of the pressure plate 5 can be kept unchanged, by arranging the lug block 16, the movable seat 17, the guide rod 18, the second motor 19, the drill rod 20 and the drill bit 21, the movable seat 17 can be moved along the guide bar 18 to adjust the position of the lower end drill 21 of the motor 19.

The bottom of the pressing plate 5 is provided with a friction plate 22, the friction plate 22 can improve the friction force when pressing a workpiece, the bottom of the U-shaped rack 1 is provided with a shock pad to slow down the vibration generated when the U-shaped rack 1 works, the bottom of the U-shaped rack 1 is provided with anti-skidding lines, and the workpiece is placed in the U-shaped rack 1 and is not easy to slide.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A positioning device of a bench drilling machine comprises a U-shaped frame (1), and is characterized in that windows (2) are arranged on two sides in the U-shaped frame (1), positioning mechanisms are arranged on two sides in the U-shaped frame (1), each positioning mechanism comprises two supporting blocks (3), the two supporting blocks (3) are arranged at intervals and fixedly installed on the inner side of the U-shaped frame (1), a screw (4) is connected to each supporting block (3) in a threaded manner, the lower end of the screw (4) penetrates through the supporting blocks (3), a pressing plate (5) is fixedly installed at the bottom end of the screw (4), splines (6) are fixedly installed at the upper end of the screw (4), chain wheels (7) are fixedly installed on the two screws (4), the two chain wheels (7) are driven by chains (8), and a supporting plate (9) is fixedly installed on the outer side of the U-shaped frame (1), the top of the supporting plate (9) is rotatably provided with two rotating shafts (10), the two rotating shafts (10) are all fixedly provided with gears (11), the two gears (11) all penetrate through the window (2) and are respectively meshed with the two splines (6), the top of the rotating shaft (10) is all fixedly provided with worm wheels (12), the outer side of the U-shaped rack (1) is fixedly provided with two side plates (13) which are distributed at intervals, a worm (14) is arranged between the two side plates (13), the worm (14) is meshed with the two worm wheels (12), the two ends of the worm (14) are respectively rotatably arranged on the side plates (13), the side plate (13) positioned on one side is fixedly provided with a first motor (15), the first motor (15) penetrates through the side plates (13) and is fixedly connected with the worm (14), and the two ends of the top of the U-shaped rack (1) are both fixedly provided with lug blocks (16), u-shaped frame (1) top is equipped with movable seat (17), is located two of one side be equipped with guide bar (18), both sides between ear piece (16) guide bar (18) run through the both ends of movable seat (17) respectively, fixed mounting is on ear piece (16) respectively at guide bar (18) both ends, movable seat (17) top fixed mounting has second motor (19), the output shaft of second motor (19) runs through movable seat (17), the output shaft tip fixed mounting of second motor (19) has drilling rod (20), tip fixed mounting has drill bit (21) under drilling rod (20).

2. A positioning device for a bench drill according to claim 1, characterized in that the pressure plate (5) is provided with friction plates (22) at the bottom.

3. The positioning device for the bench drill according to claim 1, characterized in that the bottom of the U-shaped frame (1) is provided with a shock absorption pad.

4. The positioning device for the bench drilling machine according to claim 1, characterized in that the bottom of the U-shaped frame (1) is provided with anti-skid lines.