CN211758577U - Bench drilling machine - Google Patents

Abstract

The utility model relates to the technical field of mechanical processing attachments, in particular to a desktop drilling machine, which can complete the drilling of the entire workpiece by clamping and fixing the workpiece once. The operation is simple and the work efficiency is improved. , transmission box, drive motor, operating table, drill bit, horizontal sliding table, hand screw, rotary table, rotating shaft and rotating device, the top of the operating table is provided with two sets of transverse chutes, and both sets of chutes are A slider is slidably arranged, a horizontal strip groove is arranged in the middle of the top of the operating table, and a driving block is slidably arranged in the strip groove, and also includes a first ball bearing, a second ball bearing, a third ball bearing and a first ball bearing. Gear, the rotating device includes a front support plate, a rear support plate, a threaded rod, a threaded pipe, a fourth ball bearing, a fifth ball bearing, a first rack, a first gear and a limit block, and the top of the horizontal slide table is provided with a limit The limit block is slidably arranged in the limit groove.

Description

A desktop drilling machine

technical field

The utility model relates to the technical field of mechanical processing attachments, in particular to a desktop drilling machine.

Background technique

As we all know, a bench drilling machine is referred to as a bench drill, which refers to a small drilling machine that can be placed on the workbench and the main shaft is arranged vertically. The drilling diameter of the benchtop drilling machine is generally less than 13 mm, generally not more than 25 mm. The spindle speed change is generally realized by changing the position of the V-belt on the tower pulley, and the spindle feed is manually operated, which has been widely used in the field of machining; the existing bench drilling machine generally includes a base, a spindle , transmission box, drive motor, operating table and hand feed device, the workpiece is placed on the operating table for positioning and fixing, and then the drill bit is lowered by the hand feed device, and the workpiece is drilled by the drive motor to drive the drill bit to rotate. However, in practical applications, a workpiece needs to be drilled multiple times, which requires multiple clamping and fixing of the workpiece, which is cumbersome to operate and affects work efficiency.

Utility model content

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the utility model provides a table-top drilling machine which can complete the drilling of the entire workpiece by clamping and fixing the workpiece once, which is easy to operate and improves work efficiency.

(2) Technical solutions

In order to achieve the above purpose, the utility model provides the following technical solutions: a desktop drilling machine, comprising a base, a main shaft, a transmission case, a drive motor and an operating table, the bottom end of the main shaft is connected with the top end of the base, and the transmission case is installed on the main shaft. At the top, the driving motor is installed at the bottom end of the transmission box, the other side of the bottom end of the transmission box is provided with a drill bit, the right end of the transmission box is provided with a hand-crank feeding device for lifting and lowering the drill bit, and the driving motor is connected with the drill bit through the transmission box. , the operating table is slidably installed on the main shaft; it also includes a horizontal sliding table, a hand screw, a rotating table, a rotating shaft and a rotating device. Both slides are provided with sliding blocks, the tops of the two sets of sliding blocks are respectively fixedly connected with the front and rear sides of the bottom end of the operating table, and the middle of the top of the operating table is provided with a horizontal bar-shaped groove, and a driving device is slidably arranged in the bar-shaped groove. The middle part of the driving block is provided with a left and right through threaded hole, the left side wall of the strip groove is provided with a first installation groove, and a first ball bearing is fixedly installed in the first installation groove. A first installation through hole communicated with the strip groove is provided, and a second ball bearing is fixedly installed in the first installation through hole, and the left end of the hand crank screw is screwed through the threaded hole and inserted into the first ball bearing Inside the bearing, the right end of the hand screw passes through the second ball bearing to the right side of the operating table, the top end of the driving block is fixedly connected with the bottom end of the horizontal slide table, and the middle of the top end of the horizontal slide table is provided with a placement groove , and a third ball bearing is fixedly installed in the placement groove, the bottom end of the rotating shaft is inserted into the third ball bearing, the top end of the rotating shaft is fixedly connected with the middle of the bottom end of the rotating table, and a first gear is arranged on the rotating shaft , the rotating device includes a front support plate, a rear support plate, a threaded rod and a threaded pipe. The middle part of the support plate is provided with a second installation through hole, and a fourth ball bearing is fixedly installed in the second installation through hole, the front end of the rear support plate is provided with a second installation groove, and a second installation groove is fixedly installed in the second installation groove. The fifth ball bearing, the rear end of the threaded rod is screwed through the threaded pipe and inserted into the fifth ball bearing, the front end of the threaded rod passes through the fourth ball bearing to the front of the front support plate, and the right end of the threaded pipe A first rack is provided, the first rack is meshed with the first gear, the top of the horizontal slide table is provided with a limit groove in the front-rear direction, the bottom end of the threaded pipe is provided with a limit block, and the limit block The slide is set in the limit groove.

Preferably, the maximum angle that the threaded pipe drives the gear to rotate during the forward and backward movement is 360°.

Preferably, an adjustment device is provided between the operating table and the main shaft, the adjusting device includes a fixed sleeve, a rotating rod, and a pin shaft, the fixed sleeve is slidably arranged on the outside of the main shaft, and the right end of the fixed sleeve is fixed to the operating table connection, and an adjustment cavity is arranged inside the fixed sleeve, the rear end of the rotating rod extends into the adjustment cavity, and a second gear is arranged on the rotating rod, the left end of the main shaft is provided with a vertical groove, and A second rack is arranged in the vertical slot, the right end of the second gear extends into the vertical slot and meshes with the second rack, and the front end of the fixing sleeve is provided with two sets of fixing plates, and the two sets are fixed The plates are located above and below the rotating rod respectively, and the two sets of fixed plates are provided with first through holes, the front end of the rotating rod is provided with a second through hole that penetrates up and down, the bottom end of the pin shaft passes Two sets of first through holes and second through holes.

Preferably, the top end of the horizontal sliding table is provided with a plurality of support rods, and the top ends of the plurality of support rods are provided with support wheels, and the top ends of the support wheels are in close contact with the bottom end of the rotary table.

Preferably, both the right end of the hand screw and the front end of the threaded rod are provided with a rotating hand wheel.

Preferably, a transverse horizontal scale line is provided on the rear side of the top end of the operating table.

Preferably, the top of the horizontal slide table is provided with a semicircular scale line with the rotation axis as the center.

(3) Beneficial effects

Compared with the prior art, the utility model provides a desktop drilling machine, which has the following beneficial effects:

1. This desktop drilling machine fixes the workpiece on the rotary table. When multiple holes need to be drilled at equal angles on the workpiece, the driving block is driven to slide laterally by rotating the hand screw, so that the horizontal sliding table, the rotary table and the workpiece can be drilled. Carry out lateral adjustment so that the drilling position on the workpiece is located directly below the drill bit, and the workpiece is drilled by driving the drill bit to rotate through the drive motor. The tube drives the rack to move back and forth, and through the cooperation of the first rack and the first gear, the rotating shaft and the rotary table are driven to rotate by a certain angle, and the drilling at the second position is carried out to complete the drilling of multiple equal angles on the workpiece in turn. The whole workpiece can be drilled by clamping and fixing the workpiece once, which is easy to operate and improve work efficiency;

2. When drilling an equidistant row of holes on a workpiece with the desktop drilling machine, first adjust the first drilling position of the workpiece to just below the drill bit by turning the threaded rod, and then drill the hole by turning the hand. The screw is used to slide the horizontal slide table to complete the drilling of an equidistant row of holes on the workpiece.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is a partial enlarged structural schematic diagram at A of Fig. 1 of the present utility model;

Fig. 3 is the top-view structure schematic diagram of the operating table of the present invention;

Fig. 4 is the top view structure schematic diagram of the horizontal slide table of the present utility model;

Fig. 5 is the three-dimensional structure schematic diagram of the adjusting device of the present invention;

Symbols in the drawings: 1, base; 2, main shaft; 3, transmission box; 4, drive motor; 5, operating table; 6, drill bit; 7, hand feed device; 8, horizontal slide table; 9, hand Rocking screw; 10, rotary table; 11, shaft; 12, chute; 13, slider; 14, strip groove; 15, driving block; 16, first ball bearing; 17, second ball bearing; 18, The third ball bearing; 19, the first gear; 20, the front support plate; 21, the rear support plate; 22, the threaded rod; 23, the threaded pipe; 24, the fourth ball bearing; 25, the fifth ball bearing; 26, the first 1 rack; 27, limit slot; 28, limit block; 29, fixed sleeve; 30, rotating rod; 31, pin; 32, second gear; 33, second rack; 34, support rod; 35 , Support wheel; 36, rotating hand wheel; 37, horizontal scale line; 38, semicircle scale line.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figures 1-5, a desktop drilling machine of the present invention includes a base 1, a main shaft 2, a transmission box 3, a drive motor 4 and an operating table 5, the bottom end of the main shaft 2 is connected with the top of the base 1, and the transmission The box 3 is installed on the top of the main shaft 2, the drive motor 4 is installed on the bottom end of the transmission box 3, the other side of the bottom end of the transmission box 3 is provided with a drill bit 6, and the right end of the transmission box 3 is provided with a hand crank for lifting and lowering the drill bit 6. The feeding device 7, the driving motor 4 is connected with the drill bit 6 through the transmission box 3, and the operating table 5 is slidably installed on the main shaft 2; it also includes a horizontal sliding table 8, a hand screw 9, a rotating table 10, a rotating shaft 11 and a rotating device The top of the operating table 5 is provided with two sets of transverse chute 12, and slide blocks 13 are slidably arranged in the two sets of sliding grooves 12. It is fixedly connected to the rear side. The top middle of the operating table 5 is provided with a horizontal strip groove 14, and a driving block 15 is slidably arranged in the strip groove 14. The middle part of the driving block 15 is provided with left and right through threaded holes. The left side wall of the strip groove 14 is provided with a first installation groove, and a first ball bearing 16 is fixedly installed in the first installation groove. A second ball bearing 17 is fixedly installed in the first installation through hole. The left end of the hand screw 9 is screwed through the threaded hole and inserted into the first ball bearing 16. The right end passes through the second ball bearing 17 to the right side of the operating table 5. The top end of the driving block 15 is fixedly connected to the bottom end of the horizontal sliding table 8. The middle of the top end of the horizontal sliding table A third ball bearing 18 is fixedly installed in the placement groove, the bottom end of the rotating shaft 11 is inserted into the third ball bearing 18, the top end of the rotating shaft 11 is fixedly connected to the middle of the bottom end of the rotary table 10, and the rotating shaft 11 is provided with a The first gear 19, the rotating device includes a front support plate 20, a rear support plate 21, a threaded rod 22 and a threaded pipe 23, and the bottom ends of the front support plate 20 and the rear support plate 21 are respectively connected with the top of the horizontal slide table 8. The front side and the rear side are fixedly connected, and a second installation through hole is arranged in the middle of the front support plate 20, and a fourth ball bearing 24 is fixedly installed in the second installation through hole, and the front end of the rear support plate 21 is provided with a first through hole. Two installation grooves, and a fifth ball bearing 25 is fixedly installed in the second installation groove. The rear end of the threaded rod 22 is screwed through the threaded pipe 23 and inserted into the fifth ball bearing 25. The front end of the threaded rod 22 Passing through the fourth ball bearing 24 to the front of the front support plate 20 , the right end of the threaded pipe 23 is provided with a first rack 26 , the first rack 26 is engaged with the first gear 19 , and the top of the horizontal slide table 8 A limit groove 27 in the front-rear direction is provided, and a limit block 28 is arranged at the bottom end of the threaded pipe 23 . Sliding inside to ensure that the threaded pipe 23 can slide forward and backward. The maximum angle that the threaded pipe 23 drives the gear to rotate during the forward and backward movement is 360°, and the rotation angle of the rotating shaft 11 and the rotary table 10 is 360°. For 360°, an adjustment device is provided between the operating table 5 and the main shaft 2. The adjustment device includes a fixed sleeve 29, a rotating rod 30 and a pin shaft 31. The fixed sleeve 29 is slidably arranged on the outside of the main shaft 2. The fixed sleeve 29 The right end of the rotating rod 30 is fixedly connected with the operating table 5, and an adjustment cavity is arranged inside the fixed sleeve 29, the rear end of the rotating rod 30 extends into the adjustment cavity, and the rotating rod 30 is provided with a second gear 32, so The left end of the main shaft 2 is provided with a vertical slot, and a second rack 33 is arranged in the vertical slot. The right end of the second gear 32 extends into the vertical slot and meshes with the second rack 33 , the front end of the fixed sleeve 29 is provided with two sets of fixed plates, the two sets of fixed plates are respectively located above and below the rotating rod 30, and both sets of fixed plates are provided with first through holes, and the front end of the rotating rod 30 is provided with There is a second through hole running up and down, and the bottom end of the pin shaft 31 passes through two sets of first through holes and second through holes. When the height of the console 5 needs to be adjusted, first unplug the pin shaft 31, and then Rotating the rotating rod 30 drives the second gear 32 to rotate, and through the cooperation of the second gear 32 and the second rack 33, the fixed sleeve 29 moves up and down along the main shaft 2, after adjusting the height of the operating table 5, insert the pin shaft 31, The rotation rod 30 is limited, the top of the horizontal slide table 8 is provided with a number of struts 34, and the top of the several struts 34 is provided with a support wheel 35, the top of the support wheel 35 and the bottom end of the rotary table 10 Tightly, through the cooperation of the support rod 34 and the support wheel 35, the stability of the rotating table 10 is improved when the rotation table 10 is rotated. The wheel 36 is convenient to rotate the hand crank screw 9 and the threaded rod 22. The top rear side of the operating table 5 is provided with a horizontal horizontal scale line, and the horizontal scale line is convenient to refer to the distance of the horizontal sliding table 8. Therefore, The top of the horizontal slide table 8 is provided with a semi-circle scale line with the rotating shaft 11 as the center; the semi-circle scale line is convenient for reference to the rotation angle of the rotary table 10 .

When in use, the workpiece is fixed on the rotary table 10, and when multiple holes need to be drilled at equal angles on the workpiece, the driving block 15 is driven to slide laterally by rotating the hand screw 9, so that the horizontal sliding table 8 and the rotary table 10 and the workpiece are laterally adjusted, so that the drilling position on the workpiece is located just below the drill bit 6, the drill bit 6 is driven to rotate by the driving motor 4 to drill the workpiece, and after drilling a hole, by rotating the threaded rod 22, through the threaded rod 22 In cooperation with the threaded pipe 23, the threaded pipe 23 drives the gear rack to move forward and backward, and through the cooperation of the first rack 26 and the first gear 19, the rotating shaft 11 and the rotary table 10 are driven to rotate by a certain angle to perform drilling at the second position. Drilling holes of equal angles on the workpiece in turn, and clamping and fixing the workpiece once can complete the drilling of the entire workpiece, which is easy to operate and improves work efficiency; it is necessary to drill equidistant holes on a workpiece. When there is a row of holes, firstly adjust the first drilling position of the workpiece to be just below the drill bit 6 by rotating the threaded rod 22 to drill, and then rotate the hand screw 9 to slide the horizontal slide table 8 to complete the drilling process on the workpiece. A row of equidistant holes is drilled on the upper surface, and the horizontal scale line is used to facilitate the reference of the horizontal movement distance of the horizontal slide table 8, and the semicircle scale line is used to facilitate the reference to the rotation angle of the rotary table 10.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

The electrical components appearing in this article are all connected with the external main controller and 220V mains, and the main controller can be a conventional known device controlled by a computer or the like.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A bench drilling machine comprises a base (1), a main shaft (2), a transmission case (3), a driving motor (4) and an operation table (5), wherein the bottom end of the main shaft (2) is connected with the top end of the base (1), the transmission case (3) is installed at the top end of the main shaft (2), the driving motor (4) is installed at the bottom end of the transmission case (3), a drill bit (6) is arranged on the other side of the bottom end of the transmission case (3), a hand-operated feeding device (7) for lifting the drill bit (6) is arranged at the right end of the transmission case (3), the driving motor (4) is in transmission connection with the drill bit (6) through the transmission case (3), and the operation table (5) is slidably installed on the main shaft (2); the hand-operated screw rod type electric drill is characterized by further comprising a horizontal sliding table (8), a hand-operated screw rod (9), a rotating table (10), a rotating shaft (11) and a rotating device, wherein two groups of transverse sliding grooves (12) are formed in the top end of the operating table (5), sliding blocks (13) are arranged in the two groups of sliding grooves (12) in a sliding mode, the top ends of the two groups of sliding blocks (13) are fixedly connected with the front side and the rear side of the bottom end of the operating table (5) respectively, a transverse strip-shaped groove (14) is formed in the middle of the top end of the operating table (5), a driving block (15) is arranged in the strip-shaped groove (14) in a sliding mode, threaded holes which are communicated from left to right are formed in the middle of the driving block (15), a first mounting groove is formed in the left side wall of the strip-shaped groove (14), a first ball bearing (16) is fixedly mounted in the first, and fixedly mounting a second ball bearing (17) in the first mounting through hole, wherein the left end of the hand-operated lead screw (9) is screwed and penetrates through a threaded hole and is inserted into the first ball bearing (16), the right end of the hand-operated lead screw (9) penetrates through the second ball bearing (17) to the right side of the operating platform (5), the top end of the driving block (15) is fixedly connected with the bottom end of the horizontal sliding table (8), a placing groove is arranged in the middle of the top end of the horizontal sliding table (8), a third ball bearing (18) is fixedly mounted in the placing groove, the bottom end of the rotating shaft (11) is inserted into the third ball bearing (18), the top end of the rotating shaft (11) is fixedly connected with the middle of the bottom end of the rotating table (10), a first gear (19) is arranged on the rotating shaft (11), and the rotating device comprises a front support plate (20), a rear support plate (21), a threaded rod (22) and a threaded pipe (23, the bottom ends of the front support plate (20) and the rear support plate (21) are respectively fixedly connected with the front side and the rear side of the top end of the horizontal sliding table (8), a second installation through hole is formed in the middle of the front support plate (20), a fourth ball bearing (24) is fixedly installed in the second installation through hole, a second installation groove is formed in the front end of the rear support plate (21), a fifth ball bearing (25) is fixedly installed in the second installation groove, the rear end of the threaded rod (22) penetrates through the threaded pipe (23) in a threaded mode and is inserted into the fifth ball bearing (25), the front end of the threaded rod (22) penetrates through the fourth ball bearing (24) to the front side of the front support plate (20), a first rack (26) is arranged at the right end of the threaded pipe (23), the first rack (26) is meshed with the first gear (19), a limiting groove (27) in the front-back direction is formed in the top end of the horizontal sliding table (8), the bottom of screwed pipe (23) is provided with stopper (28), stopper (28) slide to set up in spacing groove (27).

2. A bench drill according to claim 1, characterised in that the threaded pipe (23) during the forward and backward movement brings the gear into rotation through a maximum angle of 360 °.

3. The bench drilling machine according to claim 1, characterized in that an adjusting device is arranged between the console (5) and the main shaft (2), the adjusting device comprises a fixing sleeve (29), a rotating rod (30) and a pin shaft (31), the fixing sleeve (29) is slidably arranged at the outer side of the main shaft (2), the right end of the fixing sleeve (29) is fixedly connected with the console (5), an adjusting cavity is arranged inside the fixing sleeve (29), the rear end of the rotating rod (30) extends into the adjusting cavity, a second gear (32) is arranged on the rotating rod (30), the left end of the main shaft (2) is provided with a vertical groove, a second rack (33) is arranged in the vertical groove, the right end of the second gear (32) extends into the vertical groove and is engaged with the second rack (33), two groups of fixing plates are arranged at the front end of the fixing sleeve (29), two sets of fixed plates are located the top and the below of dwang (30) respectively to all be provided with first through-hole on two sets of fixed plates, the front end of dwang (30) is provided with the second through-hole that link up from top to bottom, two sets of first through-holes and second through-hole are passed to the bottom of round pin axle (31).

4. The bench drill press as claimed in claim 1, characterized in that the horizontal sliding platform (8) is provided with a plurality of supporting rods (34) at the top end thereof, and supporting wheels (35) are arranged at the top ends of the plurality of supporting rods (34), and the top ends of the supporting wheels (35) are attached to the bottom end of the rotating platform (10).

5. Bench drill according to claim 1, characterised in that the right end of the hand lead screw (9) and the front end of the threaded rod (22) are provided with a rotating hand wheel (36).

6. Bench drill according to claim 1, characterised in that the top rear side of the console (5) is provided with horizontal scale marks (37).

7. The bench drill according to claim 1, characterized in that the top end of the horizontal sliding table (8) is provided with a semicircular scale mark (38) with the rotating shaft as the center.

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