CN211758582U

CN211758582U - Bench drilling machine

Info

Publication number: CN211758582U
Application number: CN202020110908.9U
Authority: CN
Inventors: 马少辉; 陈磊
Original assignee: Tianjin Senhai Electrical Appliance Complete Equipment Co ltd
Current assignee: Tianjin Senhai Electrical Appliance Complete Equipment Co ltd
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-10-27
Anticipated expiration: 2030-01-18

Abstract

The utility model relates to a bench drill belongs to the technical field of drilling equipment, its technical scheme main points are including the base, fixedly connected with stand on the base, there is the workstation along vertical direction sliding connection on the stand, the fixed headstock that is provided with in top of stand, the bottom of headstock is provided with the cutter, the cutter is located the top of workstation, be provided with a plurality of compact heap on the workstation, one side that the workstation was kept away from to every compact heap all is provided with the dead lever, dead lever and base fixed connection, the compact heap slides along vertical direction on the dead lever, be provided with on the workstation and be used for driving the gliding drive assembly of compact heap, reach and carry out the effect of fixing to the work piece.

Description

Bench drilling machine

Technical Field

The utility model relates to a drilling equipment's technical field, in particular to bench drill.

Background

A drill press refers to a machine tool that uses a drill bit to form a hole in a workpiece, and usually the drill bit rotates as a primary motion and the drill bit moves axially as a feed motion. A bench drilling machine is a bench drill for short, and refers to a small drilling machine which can be placed on an operation table and has a vertically arranged main shaft.

The existing bench drilling machine comprises a base, wherein a stand column is fixedly connected to the base, a workbench is connected to the stand column in a sliding mode along the vertical direction, a spindle box is fixedly arranged at the top of the stand column, a cutter is arranged at the bottom of the spindle box, the cutter is located above the workbench, and a feeding rod and a driving motor are arranged on the spindle box. When the drilling machine is used, a workpiece is directly placed on the workbench, the workpiece is fixed by a hand, the other hand controls the feed rod on the spindle box, so that the cutter is controlled to descend, and the drill bit descends while the driving motor drives the cutter to rotate so as to realize drilling.

The above prior art solutions have the following drawbacks: in the process of driving the cutter to rotate by the motor, the workpiece cannot be controlled to be fixed by hands, so that the workpiece is easy to move, the position of a workpiece machining hole deviates, the machining precision is reduced, and the rejection rate is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bench drill, it has the effect of fixing the work piece.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a bench drill, the on-line screen storage device comprises a base, fixedly connected with stand on the base, there is the workstation along vertical direction sliding connection on the stand, the fixed headstock that is provided with in top of stand, the bottom of headstock is provided with the cutter, the cutter is located the top of workstation, be provided with a plurality of compact heap on the workstation, one side that the workstation was kept away from to every compact heap all is provided with the dead lever, dead lever and base fixed connection, the compact heap slides along vertical direction on the dead lever, be provided with on the workstation and be used for driving the gliding drive assembly of compact heap.

Through adopting above-mentioned technical scheme, add man-hour, drive assembly makes the compact heap vertical upwards slide on the dead lever, then places the work piece on the workstation, makes drive assembly drive compact heap vertical downwards slide on the dead lever again to press on the work piece, make the work piece compressed tightly on the workstation, thereby realize the fixed to the work piece, prevent that the work piece from taking place the skew when adding man-hour, improved the machining precision.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a motor, a straight gear and a rack, the motor is fixedly arranged at the bottom of the workbench and used for driving the straight gear to rotate, the number of the straight gears and the number of the rack are the same as that of the pressing blocks, the straight gears are rotatably connected with the workbench, and the rack is vertically fixed on the pressing blocks and matched with the straight gear for use.

Through adopting above-mentioned technical scheme, motor drive straight-teeth gear rotates, because straight-teeth gear and rack cooperation use to make the straight-teeth gear drive the rack and remove along vertical direction, and drive the compact heap and slide along vertical direction on the dead lever, thereby provide the drive for the removal process of compact heap, and realize the removal of compact heap, make the compact heap can compress tightly the work piece on the workstation.

The present invention may be further configured in a preferred embodiment as: the driving assembly further comprises a first bevel gear and a second bevel gear, the first bevel gear is fixedly connected with an output shaft of the motor, the number of the second bevel gears is the same as that of the straight gears, the second bevel gears are coaxially and fixedly connected with the straight gears, and the second bevel gears are matched with the first bevel gears for use.

Through adopting above-mentioned technical scheme, the first bevel gear of output shaft drive of motor rotates, because first bevel gear uses with the cooperation of second bevel gear to make first bevel gear drive all second bevel gear rotations simultaneously, the second bevel gear drives the spur gear and rotates, and drive all racks and remove along vertical direction, thereby make all compact heap slide along vertical direction on the dead lever simultaneously, make the slip process of compact heap more convenient.

The present invention may be further configured in a preferred embodiment as: the pressing blocks are uniformly arranged along the circumferential direction of the workbench.

Through adopting above-mentioned technical scheme, the compact heap evenly sets up along the circumference of workstation, makes the compact heap more even to the packing force of work piece to make the work piece stress even when processing, prevent that the work piece from appearing warping or taking place the perk when the atress is uneven, guaranteed the machining precision of work piece.

The present invention may be further configured in a preferred embodiment as: the compact heap is including compressing tightly portion and fixed part, and fixed part and dead lever are along vertical direction sliding connection, compress tightly portion and fixed part along horizontal direction sliding connection, and the slip direction of compressing tightly portion is along the direction of being close to or keeping away from the workstation.

Through adopting above-mentioned technical scheme, the portion that compresses tightly slides along the direction of being close to or keeping away from the workstation on the fixed part to can adjust the distance between portion and the workstation that compresses tightly, make the portion that compresses tightly can be applicable to the work piece of different sizes and shapes, enlarged the application scope of compact heap.

The present invention may be further configured in a preferred embodiment as: the pressing portion is provided with a long-strip-shaped adjusting hole, the length direction of the adjusting hole is along the direction close to or far away from the workbench, a fixing hole is formed in the fixing portion, a fixing bolt penetrates through the adjusting hole and is in threaded connection with the fixing hole, and the pressing portion is pressed on the fixing portion.

By adopting the technical scheme, the fixing bolt is rotated to enable the pressing part to horizontally move on the fixing part, and after the pressing part moves to a proper position, the fixing bolt is rotated to enable the fixing bolt to be abutted against the pressing part, so that the pressing part is pressed on the fixing part, and the position of the pressing part is adjusted; in addition, the pressing part can move on the fixing part along the direction close to or far away from the workbench, and can horizontally rotate on the fixing part, so that the application range of the pressing block is further expanded, workpieces with different sizes and shapes can be pressed on the workbench by the pressing block, and the workpieces are prevented from shifting.

The present invention may be further configured in a preferred embodiment as: and a rubber pad is fixedly arranged at the bottom of the pressing part.

By adopting the technical scheme, the rubber pad is fixedly arranged at the bottom of the pressing block, so that the rubber pad is tightly abutted against the workpiece, the pressing degree of the pressing block on the workpiece is enhanced, the workpiece is further prevented from deviating on the workbench, and the processing precision of the workpiece is improved; on the other hand, the rubber pad plays the guard action to the work piece, avoids compact heap and work piece direct contact, prevents that the surface of work piece from appearing wearing and tearing.

The present invention may be further configured in a preferred embodiment as: the fixed part is fixedly provided with a sliding block, the fixed rod is provided with a sliding chute in the vertical direction, the cross section of the sliding chute is in a dovetail shape, and the sliding chute is matched with the sliding block for use.

Through adopting above-mentioned technical scheme, the slider slides in the spout to drive the compact heap and slide along vertical direction on the dead lever, realize the sliding connection of compact heap and dead lever. The cross section of the sliding groove is in a dovetail shape, so that the sliding block can be clamped in the sliding groove, and the sliding block is prevented from being separated from the sliding groove.

To sum up, the utility model discloses a beneficial technological effect does:

1. by arranging the pressing block, the driving assembly drives the pressing block to move along the vertical direction and presses the workpiece on the workbench, so that the workpiece is fixed, the workpiece is prevented from being misplaced during machining, and the machining precision of the workpiece is improved;

2. the motor drives the first bevel gears to rotate, so that the first bevel gears simultaneously drive all the second bevel gears to rotate, the second bevel gears drive the straight gears to rotate and drive all the racks to move along the vertical direction, all the compaction blocks can simultaneously slide on the fixed rod along the vertical direction, and the sliding process of the compaction blocks is more convenient;

3. the pressing part slides along the direction close to or far away from the workbench on the fixing part, so that the distance between the pressing part and the workbench can be adjusted, the pressing part can be suitable for workpieces with different sizes and shapes, and the application range of the pressing block is enlarged.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an exploded view for illustrating the slider;

fig. 3 is a partial structural view for showing a driving assembly.

In the figure, 1, a base; 2. a column; 3. a work table; 31. a connecting seat; 4. a main spindle box; 5. a cutter; 6. a compression block; 61. a fixed part; 611. a slider; 612. a fixing hole; 62. a pressing part; 621. an adjustment hole; 622. fixing the bolt; 623. a rubber pad; 7. fixing the rod; 71. a chute; 8. a drive assembly; 81. a motor; 82. a first bevel gear; 83. a second bevel gear; 84. a spur gear; 85. a rack.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the bench drilling machine comprises a base 1, wherein a stand column 2 is fixedly connected to the base 1, a workbench 3 is connected to the stand column 2 in a sliding mode along the vertical direction, a spindle box 4 is fixedly arranged at the top of the stand column 2, a cutter 5 is arranged at the bottom of the spindle box 4, and the cutter 5 is located above the workbench 3.

Referring to fig. 1, four pressing blocks 6 are arranged on a workbench 3, the four pressing blocks 6 are uniformly distributed along the circumferential direction of the workbench 3, referring to fig. 2, each pressing block 6 comprises a pressing portion 62 and a fixing portion 61, each fixing portion 61 and each pressing portion 62 are inverted L-shaped, a vertical section of each fixing portion 61 is located on one side of the workbench 3, a horizontal section of each fixing portion 61 is located above the workbench 3, a horizontal section of each pressing portion 62 is located at the top of a horizontal section of each fixing portion 61, a vertical section of each pressing portion 62 is located on one side, close to the center of the workbench 3, of each horizontal section of each pressing portion 62, a long strip-shaped adjusting hole 621 is formed in each horizontal section of each pressing portion 62, the length direction of each adjusting hole 621 is along the direction close to or far away from the workbench 3, a fixing hole 612 is formed in each horizontal section of each fixing portion 61, a fixing bolt 622 penetrates through each adjusting hole 621, each fixing bolt 622 is in threaded connection, the bottom of the vertical section of the pressing part 62 is fixedly provided with a rubber pad 623.

Referring to fig. 1 and 2, a vertical fixing rod 7 is arranged on one side, away from the workbench 3, of the pressing block 6, the bottom end of the fixing rod 7 is fixedly connected with the base 1, a vertical sliding groove 71 is formed in one side, close to the pressing block 6, of the fixing rod 7, the cross section of the sliding groove 71 is in a dovetail shape, a sliding block 611 is connected in the sliding groove 71 in a sliding mode, the sliding block 611 is fixedly connected with a vertical section of the fixing portion 61, and a driving assembly 8 used for driving the pressing block 6 to slide is arranged on the workbench 3.

During processing, place the work piece on the processing platform, fixing bolt 622 rotates, make clamping part 62 slide along the direction of being close to cutter 5 or keeping away from cutter 5, make rubber pad 623 be located the top of work piece, then rotate fixing bolt 622, make fixing bolt 622 compress tightly clamping part 62 on fixed part 61, make drive assembly 8 drive clamping block 6 vertical downstream again, slider 611 slides along spout 71 this moment, when rubber pad 623 and the inseparable butt of work piece, clamping block 6 compresses tightly the work piece on workstation 3, play the fixed action to the work piece, prevent that the work piece from taking place the dislocation when processing, the machining precision of work piece has been improved.

Referring to fig. 3, the driving assembly 8 includes a motor 81, a first bevel gear 82, a second bevel gear 83, a straight gear 84 and a rack 85, the motor 81 is fixedly disposed at the bottom of the workbench 3, the first bevel gear 82 is horizontally disposed below the motor 81 and is fixedly connected to an output shaft of the motor 81, four second bevel gears 83, the straight gear 84 and the rack 85 are disposed, the second bevel gear 83 is vertically disposed and is used in cooperation with the first bevel gear 82, four connecting seats 31 are fixedly disposed at the bottom of the workbench 3, the second bevel gear 83 is rotatably connected to the connecting seats 31 and is coaxially and fixedly connected to the straight gear 84, the straight gear 84 is disposed at one side of the second bevel gear 83 away from the first bevel gear 82, and the rack 85 is vertically fixed to the fixing portion 61 and is used in cooperation with the straight gear 84.

The motor 81 drives the first bevel gear 82 to rotate, the first bevel gear 82 drives the four second bevel gears 83 to rotate, and the four straight gears 84 are respectively driven to rotate, so that the four racks 85 move in the vertical direction, the four pressing blocks 6 are driven to slide on the fixing rod 7, and the sliding process of the pressing blocks 6 is driven.

The implementation principle of the embodiment is as follows: during machining, a workpiece is placed on a machining table, the fixing bolt 622 is rotated, the pressing portion 62 slides in a direction close to the cutter 5 or far away from the cutter 5, the rubber pad 623 is located above the workpiece, then the fixing bolt 622 is rotated, the pressing portion 62 is pressed on the fixing portion 61 by the fixing bolt 622, the motor 81 drives the first bevel gear 82 to rotate, the first bevel gear 82 drives the four second bevel gears 83 to rotate and respectively drives the four straight gears 84 to rotate, so that the four racks 85 drive the pressing block 6 to vertically move downwards, the sliding block 611 vertically slides downwards in the sliding groove 71 at the moment, the workpiece is pressed on the working table 3, the workpiece is fixed, the workpiece is prevented from being misplaced during machining, and the machining precision of the workpiece is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a bench drill, includes base (1), fixedly connected with stand (2) on base (1), has workstation (3) along vertical direction sliding connection on stand (2), and the top of stand (2) is fixed and is provided with headstock (4), and the bottom of headstock (4) is provided with cutter (5), and cutter (5) are located the top of workstation (3), its characterized in that: be provided with a plurality of compact heap (6) on workstation (3), one side that workstation (3) were kept away from in every compact heap (6) all is provided with dead lever (7), dead lever (7) and base (1) fixed connection, and compact heap (6) slide along vertical direction on dead lever (7), is provided with on workstation (3) to be used for driving the gliding drive assembly (8) of compact heap (6).

2. The bench drill of claim 1, wherein: drive assembly (8) include motor (81), straight-teeth gear (84) and rack (85), and motor (81) are fixed to be set up in the bottom of workstation (3) to be used for driving straight-teeth gear (84) to rotate, and the number of straight-teeth gear (84) and rack (85) all is the same with the number of compact heap (6), and straight-teeth gear (84) rotate with workstation (3) to be connected, and rack (85) are vertical to be fixed on compact heap (6), and use with straight-teeth gear (84) cooperation.

3. The bench drill of claim 2, wherein: the driving assembly (8) further comprises a first bevel gear (82) and a second bevel gear (83), the first bevel gear (82) is fixedly connected with an output shaft of the motor (81), the number of the second bevel gears (83) is the same as that of the straight gears (84), the second bevel gears are coaxially and fixedly connected with the straight gears (84), and the second bevel gears (83) are matched with the first bevel gears (82) for use.

4. The bench drill of claim 1, wherein: the pressing blocks (6) are uniformly arranged along the circumferential direction of the workbench (3).

5. The bench drill of claim 1, wherein: the pressing block (6) comprises a pressing part (62) and a fixing part (61), the fixing part (61) is connected with the fixing rod (7) in a sliding mode along the vertical direction, the pressing part (62) is connected with the fixing part (61) in a sliding mode along the horizontal direction, and the sliding direction of the pressing part (62) is close to or far away from the direction of the workbench (3).

6. The bench drill of claim 5, wherein: the utility model discloses a workstation (3) of fixing part, including workstation (3), the workstation is equipped with fixed bolt (622) in adjusting hole (621), the regulation hole (621) of having seted up rectangular form on compressing tightly portion (62), the length direction of adjusting hole (621) along the direction that is close to or keeps away from workstation (3), has seted up fixed orifices (612) on fixed part (61), wears to be equipped with in adjusting hole (621) fixing bolt (622), fixing bolt (622) and fixed orifices (612) threaded connection to compress tightly portion (62) on fixed part (61).

7. The bench drill of claim 5, wherein: and a rubber pad (623) is fixedly arranged at the bottom of the pressing part (62).

8. The bench drill of claim 5, wherein: the fixing part (61) is fixedly provided with a sliding block (611), the fixing rod (7) is provided with a sliding groove (71) in the vertical direction, the cross section of the sliding groove (71) is in a dovetail shape, and the sliding groove (71) is matched with the sliding block (611).