CN209754602U

CN209754602U - Bench drilling machine with adjustable inclination

Info

Publication number: CN209754602U
Application number: CN201920545991.XU
Authority: CN
Inventors: 张明明
Original assignee: Tianjin Gengchen Precision Machinery Co Ltd
Current assignee: Tianjin Gengchen Precision Machinery Co Ltd
Priority date: 2019-04-20
Filing date: 2019-04-20
Publication date: 2019-12-10
Anticipated expiration: 2029-04-20

Abstract

The utility model relates to a bench drill, in particular to bench drill of gradient adjustable, including the base, the fixed horizontally workstation that is provided with on the base is provided with anchor clamps more than two sets on the workstation, and anchor clamps include fixed part and clamping part, and the fixed part includes screw lead screw and fixing bolt, and threaded connection has two at least fixing bolt on the every screw lead screw, and the screw lead screw passes the workstation and fixing bolt is located the top and the below of workstation respectively, and the top at the screw lead screw is connected to the clamping part. The utility model discloses in, rotate fixing bolt on the screw lead screw, adjust fixing bolt position on the screw lead screw, and fixing bolt's butt respectively is at the upper end and the lower extreme of workstation, just so can adjust the height of the relative workstation of screw lead screw, and then the height of adjustment clamping part reaches the purpose of adjustment work piece gradient, and when drilling on the work piece like this, the hole relative work piece that drills out is just inclined.

Description

Bench drilling machine with adjustable inclination

Technical Field

The utility model relates to a bench drill, in particular to bench drill of gradient adjustable.

Background

When a small amount of simple small-sized workpieces are drilled, a bench drilling machine is often used, and when large-sized workpieces are drilled in a large amount and in a complex manner, a numerical control drilling machine is used.

As shown in fig. 1, the existing bench drill includes a base 1, an inserted bar 2, an upper casing 3, a motor 4, a drilling machine 5, the base 1 is arranged on the table-board, a vertical sleeve 11 is fixedly arranged on the base 1, a workbench 13 horizontally arranged is fixed on the sleeve 11, the inserted bar 2 is vertically inserted in the sleeve 11, the upper casing 3 is fixed above the inserted bar 2, the motor 4 and the drilling machine 5 are fixedly connected with the upper casing 3, a drill rod of the drilling machine 5 is vertically downward, the motor 4 drives the drilling machine 5 to rotate through a belt, an adjusting rod 12 is arranged on the sleeve 11, the adjusting rod 12 is horizontally arranged and a gear is arranged on the circumferential surface of the adjusting rod 12, a vertical extending rack is arranged on the side wall of the inserted bar 2 in the sleeve 11, and the adjusting rod 12 is meshed with the inserted bar. The motor 4 is started, the drilling machine 5 can be driven by the motor 4 to rotate, the adjusting rod 12 is rotated, and the adjusting rod 12 can drive the inserting rod 2 to lift in the sleeve 11 through the gear rack, so that the drilling rod is driven to move towards the workbench 13, and the workpiece on the workbench 13 is drilled.

the shortcoming of the prior art is that when the work piece is steadily placed in workstation 13 top, the drilling rod can only bore vertical hole on the work piece, and just need to set up the work piece slope when wanting to process the inclined hole on the work piece, and the work piece slope sets up the back and can lead to placing unstably, therefore the drilling machine among the prior art hardly satisfies the requirement of processing the inclined hole.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an inclination adjustable bench drill has reached the effect that can process the inclined hole on the work piece.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

The utility model provides an inclination adjustable bench drill, includes the base, fixedly on the base be provided with the horizontally workstation, is provided with anchor clamps more than two sets on the workstation, and anchor clamps include fixed part and clamping part, and the fixed part includes screw lead screw and fixing bolt, and threaded connection has two at least fixing bolt on the every screw lead screw, and the screw lead screw passes the workstation and fixing bolt is located the top and the below of workstation respectively, and the clamping part is connected in the top of screw lead screw.

By adopting the technical scheme, the fixing bolt is rotated on the threaded screw rod, the position of the fixing bolt on the threaded screw rod is adjusted, and the fixing bolt is respectively abutted against the upper end and the lower end of the workbench, so that the height of the threaded screw rod relative to the workbench can be adjusted, the height of the clamping part is further adjusted, the purpose of adjusting the gradient of a workpiece is achieved, and thus, when a hole is drilled on the workpiece, the drilled hole is inclined relative to the workpiece.

The utility model discloses further set up to: the clamping part comprises a bottom plate, two clamping plates, two clamping blocks and a pull rod, the bottom plate is connected to the upper end of the fixing part, the lower end of each clamping plate is connected with the bottom plate in a sliding mode, the clamping blocks are fixedly arranged on the inner sides of the clamping plates, the pull rod penetrates through the upper portions of the clamping plates, and the two ends of the pull rod are in threaded connection with bolts.

Through adopting above-mentioned technical scheme, place the work piece in bottom plate top, between two clamp splices, screw the bolt of pull rod both sides, utilize the bolt extrusion of pull rod both sides to drive two clamp plates and slide relative bottom plate and be close to each other, finally utilize the clamp splice to press from both sides the work piece tight, guarantee the stability of work piece on anchor clamps.

The utility model discloses further set up to: the clamping blocks are rotatably connected with the clamping plates through horizontal shafts.

Through adopting above-mentioned technical scheme, at the in-process of installation work piece, after the relative workstation of adjustment fixed part highly, the work piece can produce the slope, and clamp splice and splint are around the relative rotation of horizontal axis after for the inclined position of clamp splice can adapt to the work piece, and the clamp splice presss from both sides tight work piece just so more stable.

The utility model discloses further set up to: the bottom plate is rotationally connected with the threaded screw rod.

By adopting the technical scheme, in the process of installing the workpiece, the position of the fixing part of one clamp can be kept still, the bottom plate is rotated relative to the fixing part to change the placing angle of the workpiece, the positions of other clamps on the workbench are adjusted, and the workpiece is finally clamped, so that the time for installing the workpiece is saved, and the processing efficiency can be improved.

The utility model discloses further set up to: the inner side surfaces of the clamping blocks are arc-shaped surfaces, and the arc-shaped surfaces on the two clamping blocks are opposite to each other.

Through adopting above-mentioned technical scheme, the clamp splice inboard is the arcwall face, is favorable to the cylindrical work piece of centre gripping pipe, promotes the stability of centre gripping tubular work piece.

The utility model discloses further set up to: the two clamping blocks are arranged in a staggered mode.

Through adopting above-mentioned technical scheme, two clamp splice crisscross settings can the tubular column form work piece of centre gripping minor diameter.

The utility model discloses further set up to: the inner side of the clamping block is fixedly provided with a rubber layer.

By adopting the technical scheme, the contact area between the clamping block and the tubular workpiece can be increased by utilizing the deformability of the rubber layer, so that the workpiece is more stably fixed on one hand, and the workpiece is not easily damaged on the other hand.

The utility model discloses further set up to: set up the mounting groove that is parallel to each other on the workstation, the vertical workstation that runs through of mounting groove, the screw lead screw inserts in the mounting groove.

Through adopting above-mentioned technical scheme, after seting up the mounting groove, when the position of adjustment fixed part, need not to detach the workstation with the fixed part, only need relax the fixed part slightly the back, with the fixed part slide in the mounting groove can, the position of adjustment fixed part, simple and convenient.

To sum up, the utility model discloses following technological effect has:

1. The relative height of the threaded screw rod relative to the workbench can be changed by arranging the fixing part of the clamp into the threaded screw rod and the fixing bolt, so that the inclination degree of the workpiece relative to the workbench is changed, and the effect of processing inclined holes on the workpiece is further achieved;

2. the clamping part of the clamp is arranged into the bottom plate, the clamping block and the pull rod, so that the workpiece can be clamped conveniently and quickly;

3. Through setting the clamp splice to be connected with splint horizontal rotation, can make the inclination of clamp splice adaptation work piece and relative splint rotate, promote the stability that the clamp splice pressed from both sides tight work piece.

Drawings

FIG. 1 is a schematic three-dimensional view of a prior art bench drill;

fig. 2 is a schematic three-dimensional structure of the present invention;

FIG. 3 is a partial schematic view showing the work table and the jig in a highlighted manner.

in the figure, 1, a base; 11. a sleeve; 12. adjusting a rod; 13. a work table; 131. mounting grooves; 2. inserting a rod; 3. an upper housing; 4. a motor; 5. a drilling machine; 6. a clamp; 61. a fixed part; 611. a threaded lead screw; 612. fixing the bolt; 62. a clamping portion; 621. a base plate; 622. a splint; 623. a clamping block; 624. a pull rod.

Detailed Description

As shown in fig. 2, the utility model provides an inclination adjustable bench drill, the on-line screen storage device comprises a base 1, inserted bar 2, upper casing 3, motor 4, rig 5, base 1 arranges in on the mesa, the fixed vertical sleeve 11 that is provided with on the base 1, be fixed with workstation 13 that the level set up on the sleeve 11, 2 vertical pegs graft of inserted bar are in sleeve 11, upper casing 3 is fixed in the top of inserted bar 2, motor 4 and rig 5 all with 3 fixed connection of upper casing, the drilling rod of rig 5 is vertical downwards, motor 4 drives rig 5 through the belt and rotates, be provided with on the sleeve 11 and adjust pole 12, it sets up and is provided with the gear on adjusting pole 12 global to adjust 12 level, the lateral wall that inserted bar 2 inserted in the sleeve 11 is provided with the rack of vertical extension, adjust pole 12 and inserted bar 2 pass through gear rack meshing. The motor 4 is started, the drilling machine 5 can be driven by the motor 4 to rotate, the adjusting rod 12 is rotated, and the adjusting rod 12 can drive the inserting rod 2 to lift in the sleeve 11 through the gear rack, so that the drilling rod is driven to move towards the workbench 13, and the workpiece on the workbench 13 is drilled.

As shown in fig. 2, the table 13 is provided with the fixture 6, and as shown in fig. 3, the fixture 6 includes two or more fixing portions 61 and two or more clamping portions 62, the fixing portions 61 and the clamping portions 62 are used in cooperation, the fixing portions 61 are fixedly connected with the table 13, the clamping portions 62 are connected above the fixing portions 61, the clamping portions 62 are used for clamping and fixing the workpiece, and the fixture 6 includes two or more fixing portions 61 and two or more clamping portions 62, so that multi-point clamping can be achieved, stability of the workpiece is guaranteed, and drilling operation of the workpiece by downward movement of the drill rod is facilitated.

As shown in fig. 3, the fixing part 61 includes threaded screws 611 and fixing bolts 612, at least two fixing bolts 612 are threadedly connected to each threaded screw 611, the threaded screws 611 pass through the worktable 13 and the fixing bolts 612 are respectively located above and below the worktable 13, and the clamping part 62 is connected above the threaded screws 611. After the fixing bolt 612 below the worktable 13 is removed, the threaded screw rod 611 can be pulled out of the worktable 13 upwards, and then the threaded screw rod 611 is inserted into the worktable 13 by changing a position, so that the position of the fixing part 61 on the worktable 13 is changed, and the position of the workpiece on the worktable 13 is changed; in addition, the distance between the threaded screw rod 611 and the upper surface of the worktable 13 can be adjusted by adjusting the positions of the two fixing bolts 612 on the threaded screw rod 611, and further the height of the clamping part 62 is adjusted to achieve the purpose of adjusting the inclination of the workpiece, so that the drilled hole is inclined relative to the workpiece when the workpiece is drilled.

The structure of the clamping portion 62 can be varied, and it is sufficient to clamp the workpiece, and one of the structures is introduced for reference in the present invention. As shown in fig. 3, the clamping portion 62 includes a bottom plate 621, two clamping plates 622, two clamping blocks 623, and a pull rod 624, the bottom plate 621 is connected to the upper end of the fixing portion 61, the lower end of the clamping plate 622 is slidably connected to the bottom plate 621, the clamping blocks 623 are fixedly disposed at the inner side of the clamping plate 622, the pull rod 624 passes through the upper portion of the clamping plate 622, and both ends of the pull rod 624 are threadedly connected to bolts. A workpiece is placed above the bottom plate 621 and between the two clamping blocks 622, bolts on two sides of the pull rod 624 are screwed, the two clamping plates 622 are driven to slide relative to the bottom plate 621 by extrusion of the bolts on two sides of the pull rod 624 and then approach each other, and finally the workpiece is clamped by the clamping blocks 623, so that stability of the workpiece on the clamp 6 is guaranteed.

after the inclination of the workpiece is adjusted, the workpiece is also inclined with respect to the clamp blocks 623, and if the contact surface between the workpiece and the clamp blocks 623 is a flat surface, the clamping of the workpiece by the clamp blocks 623 is not greatly affected, and if the contact surface between the workpiece and the clamp blocks 623 is a non-flat surface, the clamping of the workpiece by the clamp blocks 623 is slightly affected. In order to reduce the influence of the clamping blocks 623 on clamping the workpiece, as shown in fig. 3, the clamping blocks 623 and the clamping plates 622 can be rotatably connected through a horizontal shaft, so that the workpiece can be inclined after the height of the fixing part 61 relative to the workbench 13 is adjusted in the process of mounting the workpiece, and the clamping blocks 623 can adapt to the inclined position of the workpiece after the clamping blocks 623 and the clamping plates 622 are relatively rotated around the horizontal shaft, so that the workpiece can be clamped more stably by the clamping blocks 623.

Furthermore, as shown in fig. 3, the bottom plate 621 and the threaded screw rod 611 can be rotatably connected, so that during the process of installing the workpiece, the threaded screw rod 611 of one fixture 6 can be kept stationary, the bottom plate 621 is rotated relative to the threaded screw rod 611 to change the placement angle of the workpiece, and the positions of other fixtures 6 on the workbench 13 are adjusted to finally clamp the workpiece, so that the workpiece is installed more time-saving, and the processing efficiency can be improved.

In order to adjust the position of the fixing portion 61 on the table 13, as shown in fig. 3, mounting grooves 131 parallel to each other may be formed on the table 13, the mounting grooves 131 vertically penetrate the table 13, and a screw 611 is inserted into the mounting grooves 131. After the installation groove 131 is formed, when the position of the fixing portion 61 is adjusted, the fixing portion 61 does not need to be detached from the workbench 13, and the fixing portion 61 only needs to be slightly loosened and then slide in the installation groove 131, so that the position of the fixing portion 61 is adjusted, and the device is simple and convenient.

In order to adapt to a cylindrical workpiece, as shown in fig. 3, the inner side surfaces of the clamping blocks 623 are set to be arc-shaped surfaces, the arc-shaped surfaces on the two clamping blocks 623 are opposite to each other, the cylindrical workpiece is clamped by the arc-shaped surfaces of the clamping blocks 623 more conveniently and stably, and the workpiece is not easy to slip relative to the clamping blocks 623. The rubber layer can be fixedly arranged on the inner side face of the clamping block 623, the contact area between the clamping block 623 and the tubular workpiece can be increased by utilizing the deformability of the rubber layer, the workpiece can be more stably fixed on one hand, and the workpiece is not easily damaged on the other hand.

When the diameter of the workpiece is smaller than the arc diameter of the clamp blocks 623, the clamp blocks 623 are difficult to clamp the workpiece because interference between the clamp blocks 623 occurs. As shown in fig. 3, in order to prevent the clamp blocks 623 from interfering with each other during clamping of a workpiece, the two clamp blocks 623 are arranged alternately, and a tubular workpiece having a smaller diameter can be clamped by the two clamp blocks 623 arranged alternately.

The utility model discloses a working process does:

When clamping a workpiece, firstly inserting the workpiece between the clamping blocks 623 and above the bottom plate 621, then loosening the fixing bolt 612 below the threaded screw rod 611 of one of the clamps 6, sliding the threaded screw rod 611 in the mounting groove 131, at the moment, rotating the workpiece relative to the other clamp 6, namely, rotating the bottom plate 621 on the other clamp 6 relative to the threaded screw rod 611, then adjusting the position of the fixing bolt 612 on the threaded screw rod 611 to adjust the inclination angle of the workpiece, aligning the drilling position of the workpiece with the drill rod, and then fixing the fixing bolt 612 on the threaded screw rod 611, thereby fixing the clamp 6 on the workbench 13; then, the bolts on the two sides of the pull rod 624 are tightened, the two clamping plates 622 are driven to slide along the bottom plate 621 and approach each other by the extrusion of the bolts on the two sides of the pull rod 624, and further the clamping blocks 623 are driven to approach each other, and finally the workpiece is clamped by the clamping blocks 623 for drilling.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an inclination adjustable bench drill, including base (1), fixed horizontal workstation (13) of being provided with on base (1), a serial communication port, be provided with anchor clamps (6) more than two sets on workstation (13), anchor clamps (6) include fixed part (61) and clamping part (62), fixed part (61) include screw lead screw (611) and fixing bolt (612), threaded connection has two at least fixing bolt (612) on every screw lead screw (611), screw lead screw (611) pass workstation (13) and fixing bolt (612) are located the top and the below of workstation (13) respectively, clamping part (62) are connected in the top of screw lead screw (611).

2. the bench drill with adjustable inclination according to claim 1, characterized in that the clamping part (62) comprises a bottom plate (621), two clamping plates (622), two clamping blocks (623) and a pull rod (624), the bottom plate (621) is connected to the upper end of the fixing part (61), the lower end of the clamping plate (622) is slidably connected with the bottom plate (621), the clamping blocks (623) are fixedly arranged on the inner side of the clamping plates (622), the pull rod (624) penetrates through the upper part of the clamping plates (622), and two ends of the pull rod (624) are in threaded connection with bolts.

3. Bench drill with adjustable inclination according to claim 2, characterised in that the clamp blocks (623) are connected to the clamp plate (622) in a pivoting manner by means of a horizontal axis.

4. Bench drill with adjustable inclination according to claim 2, characterised in that the base plate (621) is rotatably connected to the threaded screw (611).

5. the bench drill with adjustable inclination according to any one of claims 2 to 4, characterized in that the inner side surfaces of the clamping blocks (623) are arc-shaped surfaces, and the arc-shaped surfaces of the two clamping blocks (623) are opposite to each other.

6. Bench drill with adjustable inclination according to claim 5, characterised in that the two clamping blocks (623) are staggered.

7. Bench drill with adjustable inclination according to claim 5, characterised in that the clamping blocks (623) are fixedly provided with a rubber layer on the inside.

8. The bench drill with adjustable inclination according to claim 1, characterized in that the worktable (13) is provided with mounting grooves (131) parallel to each other, the mounting grooves (131) vertically penetrate through the worktable (13), and the threaded screw (611) is inserted into the mounting grooves (131).