CN217775611U

CN217775611U - Cross workstation upright drill convenient to aggregate erection

Info

Publication number: CN217775611U
Application number: CN202221128808.4U
Authority: CN
Inventors: 王振洪; 杨猛; 普文超; 夏文明; 龚兆祥; 郑国富; 陈安
Original assignee: Yunnan Dayao Xianghua Industrial Manufacturing Co ltd
Current assignee: Yunnan Dayao Xianghua Industrial Manufacturing Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-11-11
Anticipated expiration: 2032-05-12

Abstract

The utility model relates to a cross workstation vertical drill convenient to aggregate erection, including the base, the top rear side department of base is equipped with drilling mechanism, drilling mechanism's front side is equipped with cross adjustment mechanism, the top of cross adjustment mechanism is equipped with work piece fixed establishment; through the drilling mechanism that sets up: the workpiece is convenient to drill; through the cross adjustment mechanism who sets up: the position of the workbench is convenient to carry out, the position of the workpiece is convenient to adjust, and the workpiece is convenient to drill; through the work piece fixed establishment who sets up: the workpiece on the workbench can be clamped and fixed, and drilling of the workpiece is facilitated; through breaking away from between dead lever and the fixed orifices, can dismantle support and inserted block to be convenient for dismantle the clamp splice, this design is convenient for carry out the dismouting to clamp splice etc. is convenient for use according to the actual processing demand, is convenient for carry out the quick fixation to the work piece.

Description

Cross workstation upright drill convenient to aggregate erection

Technical Field

The utility model relates to a drilling machine technical field specifically is a cross workstation upright drill convenient to aggregate erection.

Background

The vertical drilling machine with the vertically arranged main shaft and the fixed center position is commonly used for machining holes of medium and small workpieces in a mechanical manufacturing and repairing factory; at present, when an upright drilling machine is used, in order to fix a part of workpieces conveniently, clamps such as flat tongs need to be installed on a workbench, but the clamps and the workbench are inconvenient to disassemble and assemble, and the workpieces are difficult to fix quickly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cross workstation upright drill convenient to aggregate erection to solve the problem that proposes in the above-mentioned background art.

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

the utility model provides a cross workstation upright drill convenient to aggregate erection, includes the base, the top rear side department of base is equipped with drilling mechanism, drilling mechanism's front side is equipped with cross adjustment mechanism, cross adjustment mechanism's top is equipped with work piece fixed establishment, work piece fixed establishment includes the workstation, the slot has all been seted up to the top surface both sides department of workstation, the top surface both sides department of workstation all is equipped with the support, the bottom surface fixedly connected with inserted block of support, inserted block and corresponding slot cooperation of pegging graft, set up two symmetrical fixed orificess on the inserted block, threaded connection has the threaded rod on the support, the one end of threaded rod is inlayed and is equipped with the clamp splice, the coaxial key joint of the other end of threaded rod has wrong piece.

As the preferred technical scheme of the utility model, the drilling mechanism comprises a U-shaped seat fixedly connected with the base, a first screw rod is rotatably connected between the inner walls of the two sides of the U-shaped seat, a first motor is installed on the top surface of the U-shaped seat, and the output shaft of the first motor is coaxially keyed with the first screw rod; still sliding connection has the connecting block between the both sides inner wall of U type seat, first lead screw pass the connecting block and with connecting block threaded connection, the front end fixedly connected with mount of connecting block, the top surface of mount is installed the second motor, the coaxial key joint of output shaft end of second motor has the drill bit.

As the utility model discloses preferred technical scheme, cross adjustment mechanism includes first base, first spout has been seted up to the top surface of first base, the first spout internal rotation is connected with the second lead screw, first base and coaxial key joint have first hand wheel are passed to the one end of second lead screw, the top surface of first base is located the first guide rail of the equal fixedly connected with of first spout both sides department.

As a preferred technical solution of the present invention, a second base is disposed above the first base, the first base and the second base are arranged in a crossed manner, a second chute is disposed on the top surface of the second base, and first guide grooves slidably connected to the first guide rails are disposed on both sides of the bottom surface of the second base; a third screw rod is rotationally connected in the second sliding groove, one end of the third screw rod penetrates through a second base and is coaxially keyed with a second hand wheel, and second guide rails are fixedly connected to the positions, located on the two sides of the second sliding groove, of the top surface of the second base; the bottom surface of the second base is fixedly connected with a first sliding block which is in sliding connection with the first sliding groove, and the second screw rod penetrates through the first sliding block and is in threaded connection with the first sliding block.

As a preferable technical scheme of the utility model, both sides of the bottom surface of the workbench are provided with second guide grooves which are connected with the second guide rails in a sliding way, and both sides of the interior of the workbench are provided with cavities; the bottom surface of the workbench is fixedly connected with a second sliding block, and the third screw rod penetrates through the second sliding block and is in threaded connection with the second sliding block; the improved structure of the sliding plate is characterized in that sliding plates are connected in the cavity in a sliding mode, two symmetrical fixing rods are fixedly connected to one side wall of each sliding plate, the tail ends of the fixing rods penetrate through the workbench and are in plug-in fit with the corresponding fixing holes, a supporting rod is fixedly connected to the center of the other side wall of each sliding plate, the tail ends of the supporting rods penetrate through the workbench and protrude to the outside, shifting blocks are coaxially connected to the tail ends of the supporting rods in a key joint mode, springs are further sleeved on the supporting rods, and the two ends of each spring tightly support the inner walls of the sliding plates and the cavity respectively.

As the preferred technical scheme of the utility model, the whole shape of support is the L type.

As the utility model discloses preferred technical scheme, the bottom surface of support is close to the edge and inlays and be equipped with two symmetrical locating pieces, two symmetrical locating holes have all been seted up to one side department that the top surface of workstation is located the slot, the cooperation of pegging graft of locating piece and corresponding locating hole.

As the utility model discloses preferred technical scheme, the clamp splice adopts the rubber material to make.

As the utility model discloses preferred technical scheme, the second lead screw passes through the bearing and is connected with first spout rotation, the third lead screw passes through the bearing and is connected with second spout rotation.

As the utility model discloses preferred technical scheme, U type seat passes through bolt fixed connection with the base.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the drilling mechanism that sets up: the first motor drives the fixing frame and the drill bit to move up and down, and the second motor drives the drill bit to rotate, so that the workpiece can be conveniently drilled;

2. through the cross adjustment mechanism who sets up: the second screw rod can rotate to drive the second base and the workbench to horizontally move, and the third screw rod can rotate to drive the workbench to horizontally move vertically, so that the position of the workbench can be conveniently adjusted, and the workpiece can be conveniently drilled;

3. through the work piece fixed establishment who sets up: on one hand, the threaded rod is rotated to drive the clamping blocks on the two sides to move relatively, so that a workpiece on the workbench can be clamped and fixed, and the workpiece can be conveniently drilled; on the other hand, through the grafting cooperation before dead lever and the fixed orifices, can install and fix support and inserted block, break away from through dead lever and fixed orifices simultaneously, can dismantle support and inserted block to be convenient for dismantle the clamp splice, this design is convenient for carry out the dismouting to clamp splice etc. is convenient for use according to actual processing demand, is convenient for carry out quick fixed to the work piece.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the drilling mechanism of the present invention;

fig. 3 is a schematic structural view of the cross-shaped adjusting mechanism of the present invention;

fig. 4 is a schematic structural view of a second base according to the present invention;

FIG. 5 is a schematic structural view of a workpiece fixing mechanism according to the present invention;

FIG. 6 is a schematic structural view of a worktable according to the present invention;

FIG. 7 is a sectional view of the worktable of the present invention;

fig. 8 is a schematic view of a part of the structure of the middle workpiece fixing mechanism of the present invention.

In the figure:

1. a base;

2. a drilling mechanism; 21. a U-shaped seat; 22. a first lead screw; 23. a first motor; 24. connecting blocks; 25. a fixed mount; 26. a second motor; 27. a drill bit;

3. a cross adjustment mechanism; 31. a first base; 311. a first chute; 32. a second lead screw; 33. a first hand wheel; 34. a first guide rail; 35. a second base; 351. a second chute; 352. a first guide groove; 36. a third screw rod; 37. a second hand wheel; 38. a second guide rail; 39. a first slider;

4. a workpiece fixing mechanism; 41. a work table; 411. a second guide groove; 412. a slot; 413. a cavity; 414. positioning holes; 42. a second slider; 43. a slide plate; 44. a support rod; 441. shifting blocks; 45. a spring; 46. a fixing rod; 47. inserting a block; 471. a fixing hole; 48. positioning blocks; 49. a threaded rod; 491. a clamping block; 492. and (5) screwing the block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second" and "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The embodiment provides a technical scheme:

referring to fig. 1-2, a cross workbench vertical drilling machine convenient for assembly and installation comprises a base 1, and a drilling mechanism 2 is arranged at the rear side above the base 1. The drilling mechanism 2 comprises a U-shaped seat 21 fixedly connected with the base 1, the U-shaped seat 21 is fixedly connected with the base 1 through bolts, and the bolts are firmly and stably fixed and are convenient to disassemble and assemble; a first screw rod 22 is rotatably connected between the inner walls of the two sides of the U-shaped seat 21, the bottom end of the first screw rod 22 is rotatably connected with the base 1 through a bearing, a first motor 23 is installed on the top surface of the U-shaped seat 21, and an output shaft of the first motor 23 is coaxially keyed with the first screw rod 22; still sliding connection has connecting block 24 between the both sides inner wall of U type seat 21, and first lead screw 22 passes connecting block 24 and with connecting block 24 threaded connection, and first motor 23 drives first lead screw 22 and rotates, and connecting block 24 can drive mount 25 up-and-down motion, is convenient for adjust the height of drill bit 27, is convenient for drill the work piece.

Specifically, a fixing frame 25 is fixedly connected to the front end of the connecting block 24, the fixing frame 25 is fixedly connected with the connecting block 24 through a bolt, a second motor 26 is mounted on the top surface of the fixing frame 25, and a drill bit 27 is coaxially keyed at the tail end of an output shaft of the second motor 26; the output shaft of the second motor 26 drives the drill bit 27, and the drill bit 27 rotates to drill the hole.

It should be added that, in the present embodiment, the outer walls of the two sides of the connecting block 24 are attached to the inner walls of the two sides of the U-shaped seat 21, and when the first lead screw 22 rotates, the connecting block 24 can move up and down, so as to prevent the connecting block 24 from rotating along with the rotation of the first lead screw 22.

Referring to fig. 3-4, a cross adjusting mechanism 3 is disposed at the front side of the drilling mechanism 2. The cross adjusting mechanism 3 comprises a first base 31, the first base 31 is fixedly connected with the base 1 through a bolt, a first sliding groove 311 is formed in the top surface of the first base 31, a second screw rod 32 is rotatably connected in the first sliding groove 311, one end of the second screw rod 32 penetrates through the first base 31 and is coaxially keyed with a first hand wheel 33, first guide rails 34 are fixedly connected to the two sides of the first sliding groove 311 on the top surface of the first base 31, a first sliding block 39 connected with the first sliding groove 311 in a sliding manner is fixedly connected to the bottom surface of the second base 35, and the second screw rod 32 penetrates through the first sliding block 39 and is in threaded connection with the first sliding block 39; the first hand wheel 33 drives the second lead screw 32 to rotate, so as to drive the first sliding block 39 to reciprocate along the first sliding groove 311, so as to drive the second base 35 to reciprocate in the horizontal direction, and to adjust the position of the workpiece.

Specifically, a second base 35 is arranged above the first base 31, the first base 31 and the second base 35 are arranged in a crossed manner, a second sliding groove 351 is formed in the top surface of the second base 35, and first guide grooves 352 which are slidably connected with the first guide rails 34 are formed in both sides of the bottom surface of the second base 35; a third screw rod 36 is rotatably connected in the second chute 351, one end of the third screw rod 36 passes through the second base 35 and is coaxially keyed with a second hand wheel 37, and the top surface of the second base 35 at two sides of the second chute 351 is fixedly connected with a second guide rail 38; the hand wheel 37 drives the third screw rod 36 to rotate, and the second sliding block 42 can slide along the second sliding groove 351 in a reciprocating manner, so that the workbench 41 can be driven to move in a reciprocating manner, the position of a workpiece can be adjusted conveniently, and drilling is facilitated.

In this embodiment, the second lead screw 32 is rotatably connected to the first sliding groove 311 through a bearing, the third lead screw 36 is rotatably connected to the second sliding groove 351 through a bearing, and the bearing is arranged to support and support the second lead screw 32 and the third lead screw 36 for continuous and stable rotation of the second lead screw 32 and the third lead screw 36.

Referring to fig. 5-8, a workpiece fixing mechanism 4 is disposed above the cross adjusting mechanism 3, the workpiece fixing mechanism 4 includes a working table 41, two sides of a bottom surface of the working table 41 are both provided with a second guide slot 411 slidably connected to the second guide rail 38, and two sides of an inside of the working table 41 are both provided with a cavity 413; the bottom surface of the working table 41 is fixedly connected with a second sliding block 42, and the third screw rod 36 passes through the second sliding block 42 and is in threaded connection with the second sliding block 42; through the rotation of the third screw rod 36, the second slider 42 can be driven to slide along the second chute 351 in a reciprocating manner, so that the workbench 41 can move in a reciprocating manner in the horizontal direction, the position of a workpiece can be adjusted conveniently, and drilling is facilitated.

Specifically, the cavities 413 are respectively and slidably connected with a sliding plate 43, one side wall of the sliding plate 43 is fixedly connected with two symmetrical fixing rods 46, the tail ends of the fixing rods 46 penetrate through the workbench 41 and are in plug-in fit with the corresponding fixing holes 471, the center of the other side wall of the sliding plate 43 is fixedly connected with a supporting rod 44, the tail end of the supporting rod 44 penetrates through the workbench 41 and protrudes to the outside, the tail end of the supporting rod 44 is coaxially keyed with a shifting block 441, and the sliding plate 43 is respectively and fixedly connected with the supporting rod 44 and the fixing rods 46 through bolts; the resisting rod 44 is also sleeved with a spring 45, and two ends of the spring 45 respectively resist against the inner walls of the sliding plate 43 and the cavity 413; the two sides of the top surface of the workbench 41 are both provided with slots 412, the two sides of the top surface of the workbench 41 are both provided with brackets 48, the overall shape of the brackets 48 is L-shaped, and the L-shaped brackets 48 are convenient for installing threaded rods 49 and connecting and fixing with the insertion blocks 47; the bottom surface of the bracket 48 is fixedly connected with an insert block 47, the insert block 47 is fixedly connected with the bracket 48 through bolts, the insert block 47 is in inserted fit with the corresponding slot 412, two symmetrical fixing holes 471 are formed in the insert block 47, a threaded rod 49 is in threaded connection with the bracket 48, one end of the threaded rod 49 is embedded with a clamping block 491, the clamping block 491 is made of rubber, the rubber clamping block 491 can increase the friction force between the clamping block 491 and a workpiece, the fixing effect on the workpiece is improved, and meanwhile, the surface of the workpiece is not easy to be scratched; the other end of the threaded rod 49 is coaxially keyed with a screwing block 492; the spring 45 exerts effort to slide 43 for slide 43 drives two dead levers 46 and moves to one side all the time, and through the grafting cooperation between dead lever 46 and the fixed orifices 471, is convenient for fix inserted block 47 in slot 412, thereby plays the fixed action to support 48, and the fixed threaded rod 49 of being convenient for, the installation clamp splice 491 of being convenient for carries out the centre gripping to the work piece fixed, and breaks away from through between dead lever 46 and the fixed orifices 471, and the inserted block 47 of being convenient for breaks away from slot 412, is convenient for dismantle clamp splice 491.

In this embodiment, the bottom surface of the bracket 48 is embedded with two symmetrical positioning blocks 481 near the edge, two symmetrical positioning holes 414 are provided at one side of the slot 412 on the top surface of the working table 41, the positioning blocks 481 are in insertion fit with the corresponding positioning holes 414, and through the insertion fit between the positioning holes 414 and the positioning blocks 481, the positioning fixture 491 is convenient to mount, the convenience of mounting is improved, the stability of connection between the bracket 8 and the working table 41 is also improved, and the stability of clamping a workpiece is improved.

It should be noted that the first motor 23 and the second motor 26 in the present embodiment are conventional in the art, and are not described herein again.

Before the use, a user firstly inserts the insert 47 into the slot 412, then the user shifts the shift block 441 to one side, the shift block 441 drives the abutting rod 44 and the sliding plate 43 to move, the spring 45 is compressed at the same time, the sliding plate 43 drives the tail end of the fixing rod 46 to be separated from the slot 412, the insert 47 is completely inserted into the slot 412, the user loosens the shift block 492 at the same time, the spring 45 resets to drive the sliding plate 43 to reset, the tail end of the fixing rod 46 is inserted into the fixing hole 471, the bracket 48 is fixed, the user repeats the steps and installs the bracket 48 at the other side, the user then puts the workpiece on the workbench 41, the user rotates the twisting blocks 492 at two sides, the threaded rod 49 rotates and drives the two clamping blocks 491 to synchronously move relatively, and the clamping blocks 491 can clamp and fix the workpiece;

when the drilling machine is used, a user firstly rotates the first hand wheel 33, the second lead screw 32 synchronously rotates, the first sliding block 39 drives the second base 35 to move to one side, the working table 41 drives the workpiece to move to one side, the workpiece moves to the corresponding position, then the user rotates the second hand wheel 37, the third lead screw 36 synchronously rotates, the second sliding block 42 drives the working table 41 to move to one side, the workpiece moves to the corresponding position, the user then switches on the power supply of the first motor 23, the output shaft of the first motor 23 rotates to drive the first lead screw 22 to rotate, the connecting block 24 downwards moves at the moment and drives the fixing frame 25 to downwards move, the drill bit 27 moves towards the workpiece, the user simultaneously switches on the power supply of the second motor 26, and the output shaft of the second motor 26 drives the drill bit 27 to rotate and drill the workpiece.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a cross workstation upright drill convenient to aggregate erection, includes base (1), its characterized in that: the top rear side department of base (1) is equipped with drilling mechanism (2), the front side of drilling mechanism (2) is equipped with cross adjustment mechanism (3), the top of cross adjustment mechanism (3) is equipped with work piece fixed establishment (4), work piece fixed establishment (4) include workstation (41), slot (412) have all been seted up in the top surface both sides department of workstation (41), the top surface both sides department of workstation (41) all is equipped with support (48), the bottom surface fixedly connected with inserted block (47) of support (48), inserted block (47) and corresponding slot (412) cooperation of pegging graft, two symmetrical fixed orificess (471) have been seted up on inserted block (47), threaded connection has threaded rod (49) on support (48), the one end of threaded rod (49) is inlayed and is equipped with clamp splice (491), the coaxial key joint of the other end of threaded rod (49) has wrong piece (492).

2. A cross table upright drill press for facilitating assembly according to claim 1, wherein: the drilling mechanism (2) comprises a U-shaped seat (21) fixedly connected with the base (1), a first screw rod (22) is rotatably connected between the inner walls of the two sides of the U-shaped seat (21), a first motor (23) is installed on the top surface of the U-shaped seat (21), and an output shaft of the first motor (23) is coaxially keyed with the first screw rod (22); still sliding connection has connecting block (24) between the both sides inner wall of U type seat (21), first lead screw (22) pass connecting block (24) and with connecting block (24) threaded connection, the front end fixedly connected with mount (25) of connecting block (24), second motor (26) are installed to the top surface of mount (25), the terminal coaxial key joint of output shaft of second motor (26) has drill bit (27).

3. A cross table upright drill press for facilitating assembly according to claim 1, wherein: the cross adjusting mechanism (3) comprises a first base (31), a first sliding groove (311) is formed in the top surface of the first base (31), a second screw rod (32) is connected to the first sliding groove (311) in a rotating mode, one end of the second screw rod (32) penetrates through the first base (31) and is coaxially keyed with a first hand wheel (33), and the top surface of the first base (31) is located on first sliding groove (311) two sides and is fixedly connected with a first guide rail (34).

4. A cross table upright drill press for facilitating assembly according to claim 3 wherein: a second base (35) is arranged above the first base (31), the first base (31) and the second base (35) are arranged in a crossed manner, a second sliding groove (351) is formed in the top surface of the second base (35), and first guide grooves (352) which are connected with the first guide rails (34) in a sliding manner are formed in two sides of the bottom surface of the second base (35); a third screw rod (36) is rotatably connected in the second sliding groove (351), one end of the third screw rod (36) penetrates through a second base (35) and is coaxially keyed with a second hand wheel (37), and the top surface of the second base (35) is fixedly connected with second guide rails (38) at two sides of the second sliding groove (351); the bottom surface of the second base (35) is fixedly connected with a first sliding block (39) which is in sliding connection with the first sliding groove (311), and the second screw rod (32) penetrates through the first sliding block (39) and is in threaded connection with the first sliding block (39).

5. The cross table vertical drill press for facilitating assembly according to claim 4, wherein: two sides of the bottom surface of the workbench (41) are respectively provided with a second guide groove (411) in sliding connection with a second guide rail (38), and cavities (413) are respectively formed in the two sides of the interior of the workbench (41); the bottom surface of the workbench (41) is fixedly connected with a second sliding block (42), and the third screw rod (36) penetrates through the second sliding block (42) and is in threaded connection with the second sliding block (42); the improved structure of the sliding block is characterized in that sliding plates (43) are connected in the cavity (413) in a sliding mode, two symmetrical fixing rods (46) are fixedly connected to one side wall of each sliding plate (43), the tail ends of the fixing rods (46) penetrate through the workbench (41) and are in plug-in fit with the corresponding fixing holes (471), a resisting rod (44) is fixedly connected to the center of the other side wall of each sliding plate (43), the tail ends of the resisting rods (44) penetrate through the workbench (41) and protrude to the outside, shifting blocks (441) are coaxially connected to the tail ends of the resisting rods (44) in a key mode, springs (45) are further sleeved on the resisting rods (44), and the two ends of each spring (45) respectively support against the inner walls of the corresponding sliding plates (43) and the cavity (413).

6. A cross table upright drill press for facilitating assembly and installation according to claim 1, wherein: the overall shape of the bracket (48) is L-shaped.

7. A cross table upright drill press for facilitating assembly according to claim 1, wherein: two symmetrical positioning blocks (481) are embedded in the bottom surface of the support (48) close to the edge, two symmetrical positioning holes (414) are formed in the top surface of the workbench (41) on one side of the slot (412), and the positioning blocks (481) are in plug-in fit with the corresponding positioning holes (414).

8. A cross table upright drill press for facilitating assembly and installation according to claim 1, wherein: the clamping blocks (491) are made of rubber materials.

9. The cross table vertical drill press for facilitating assembly according to claim 4, wherein: the second screw rod (32) is rotationally connected with the first sliding groove (311) through a bearing, and the third screw rod (36) is rotationally connected with the second sliding groove (351) through a bearing.

10. The cross table upright drill press convenient to assemble and install of claim 2, wherein: the U-shaped seat (21) is fixedly connected with the base (1) through bolts.