CN211614370U

CN211614370U - High-precision radial drilling machine

Info

Publication number: CN211614370U
Application number: CN202020086620.2U
Authority: CN
Inventors: 刘朝阳; 苗沛
Original assignee: Tangshan Tiancheng Rail Equipment Co ltd
Current assignee: Tangshan Tiancheng Rail Equipment Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-10-02
Anticipated expiration: 2030-01-15

Abstract

The utility model relates to a high accuracy radial drill, relate to the technical field of drilling machine, including the drilling machine body that is provided with the workstation, the workstation is improved level and is provided with basic platform, swivelling joint has the frock stage body on the basic platform, the rotating surface level of frock stage body, be provided with a plurality of reference columns that are used for the positioning workpiece on the frock stage body top surface and be used for the fixing device of fixed work piece, the last vertical rotation axis that sets firmly with frock stage body swivelling joint of basic platform, the cover is equipped with rolling bearing on the rotation axis, set firmly the universal ball of a plurality of and frock stage body top surface butt on the basic platform top surface, be provided with the stop gear who is used for fixed frock stage body rotation angle on the basic platform, be provided with on the basic platform and be used for fixing the mechanism of taking out. The utility model has the technical characteristics of conveniently remove longer work piece and processing precision height.

Description

High-precision radial drilling machine

Technical Field

The utility model belongs to the technical field of the technique of drilling machine and specifically relates to a high accuracy radial drill is related to.

Background

A radial drill is a drilling machine in which a rocker arm is rotatable and liftable around a column, and a spindle head is generally horizontally movable on the rocker arm. Drilling is one of basic processes of machining, so that the radial drilling machine is widely used and has large use requirement.

The utility model discloses a frock for radial drill workstation is disclosed in current utility model patent document with grant bulletin number CN207840198U, including the frock stage body, the bearing area of frock stage body is greater than the bearing area of radial drill's workstation, and frock stage body horizontal rotation connects in radial drill's workstation upper surface, is provided with a plurality of reference columns of fixing a position and the fixing device who goes on fixing to the work piece of going on the frock stage body, fixing device include with workstation sliding connection's on the horizontal direction connecting bolt, with connecting bolt sliding connection's on vertical direction pressure strip and arrange pressure strip top and connecting bolt screw-thread fit's gland nut in for radial drill's workstation frock still includes the locking mechanism with frock stage body and workstation relatively fixed. The upper surface of the workbench body is provided with a mounting hole, the lower surface of the tool workbench body is provided with a rotating shaft, and the rotating shaft is rotatably connected in the mounting hole.

The workpiece is placed on the tool table body, the workpiece is fixed on the tool table body through the pressing plate, the pressing nut and the connecting bolt, when the workpiece is long and exceeds the processing adjusting range of the radial drilling machine, one end, far away from the processing range, of the workpiece can be rotated to the range within the processing range of the radial drilling machine through the method of rotating the tool table body. Thereby the frock stage body realizes the function of frock stage body for workstation rotation in the horizontal plane through pivot and the mode of mounting hole rotation connection.

The above prior art solutions have the following drawbacks: the dead weight of the tool table body and the workpiece enables the bottom surface of the tool table body to be tightly attached to the top surface of the workbench, and the frictional resistance between the bottom surface of the tool table body and the top surface of the workbench is large. When the user rotates the frock stage body, workstation top surface and the easy mutual wearing and tearing of frock stage body bottom surface, the levelness of workstation top surface is destroyed because of wearing and tearing, positioning reference accuracy when influencing the follow-up use of workstation, influences the processing precision. And the tool table body is hard to rotate manually due to overlarge friction resistance, so that the tool table is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a high accuracy radial drill conveniently removes longer work piece and processing precision height.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a high accuracy radial drill, is including the drilling machine body that is provided with the workstation, the workstation is improved level and is provided with basic platform, swivelling joint has the frock stage body on the basic platform, the rotation face level of frock stage body, be provided with the fixing device who is used for fixing a position a plurality of reference columns of work piece and is used for fixed work piece on the frock stage body top surface, the vertical rotation axis that sets firmly with frock stage body swivelling joint on the basic platform, the cover is equipped with rolling bearing on the rotation axis, set firmly a plurality of and the universal ball of frock stage body top surface butt on the basic platform top surface, be provided with the stop gear who is used for fixed frock stage body rotation angle on the basic platform, be provided with on the basic platform and be used for fixing the mechanism of taking apart on the workstation with basic platform.

Through adopting above-mentioned technical scheme, fix the problem of work piece accessible frock stage body overlength to surpassing the processing accommodation range of drilling machine body through reference column location and fixing device on the frock stage body, basic platform interval frock stage body and workstation, the workstation is difficult for wearing and tearing and the two is torn open and is installed conveniently because of the rotation of frock stage body, rolling bearing and universal ball make manual rotatory frock stage body laborsaving and the levelness of frock stage body and basic platform is difficult for changing because of wearing and tearing each other, the processing precision is high, the workstation is torn open and is installed conveniently with basic platform, high durability and convenient use.

The present invention may be further configured in a preferred embodiment as: be provided with lubricated chamber in the basic platform, lubricated intracavity is filled has lubricating oil, lubricated chamber intercommunication has the vertical lubrication hole that just extends to universal ball department of a plurality of axis, wear to be equipped with the guide sponge in the lubrication hole, the guide sponge is cylindricly to be fixed on lubricated intracavity bottom surface, the both ends of guide sponge respectively with lubricated intracavity bottom surface and universal ball bottom butt.

Through adopting above-mentioned technical scheme, the guide sponge adsorbs lubricating oil because of capillary action, and universal ball rubs and automatic coating lubricating oil with the guide sponge during rotatory to realize self-lubricate, the rotation resistance is littleer, and universal ball is difficult for corrosion or wearing and tearing, and it is more convenient and long service life to use.

The present invention may be further configured in a preferred embodiment as: the limiting mechanism comprises a locking bolt in threaded connection with the tool table body, the axis of the locking bolt is parallel to the radial direction of the rotating shaft, and a rubber block which is used for being abutted to the outer peripheral surface of the rotating shaft is fixed at the end of the bolt body of the locking bolt.

Through adopting above-mentioned technical scheme, the rotatory locking bolt of user compresses tightly with the rotation axis butt to the rubber block, and the rotation angle of the fixed frock stage body of packing force and the frictional force through rubber block and rotation axis, the fixed of rotation angle can be relieved in reverse operation, easy operation and fixed effectual.

The present invention may be further configured in a preferred embodiment as: the mounting hole that the mechanism of installing of tearing open includes vertical setting on the workstation, the mounting hole is the square hole, the vertical erection column that has set firmly on the basic platform bottom surface, erection column and mounting hole gomphosis, the workstation upper level is provided with the stabilizer hole, wear to be equipped with the bolt in the stabilizer hole, the bolt level runs through erection column and workstation simultaneously.

Through adopting above-mentioned technical scheme, the gomphosis level through erection column and mounting hole is to location basic platform and workstation, runs through workstation and erection column simultaneously through the bolt and realizes that workstation and basic platform are vertical to the location to fixed basic platform and workstation, reverse operation can separate basic platform and workstation, and it is convenient to unpick and install, convenient to use.

The present invention may be further configured in a preferred embodiment as: the bottom surface area of basic platform is greater than workstation top surface area, the vertical auxiliary stay post that has set firmly on the basic platform bottom surface, auxiliary stay post's bottom threaded connection has the footing that is used for with the drilling machine body butt, auxiliary stay post's quantity is two and the symmetry sets up the both ends at basic platform.

Through adopting above-mentioned technical scheme, provide vertical to auxiliary stay power for basic platform through footing and auxiliary stay post, basic platform is more stable to the support of frock stage body and work piece, and the processing effect is more stable, and footing accessible screw thread rotation changes the high position, and it is convenient to accomodate the footing, does not influence basic platform's displacement and tear open an ann, convenient to use.

The present invention may be further configured in a preferred embodiment as: and anti-skidding blocks made of rubber are fixed on the bottom surfaces of the bottom feet.

Through adopting above-mentioned technical scheme, the non slipping spur has increased the frictional force between footing and the drilling machine body, and the footing position is difficult for squinting, and the supporting effect is better.

The present invention may be further configured in a preferred embodiment as: the fixing device comprises a connecting bolt which is horizontally connected to the top surface of the tool table body in a sliding mode, the connecting bolt is vertically connected with a pressing plate in a sliding mode, a pressing nut is connected to the top end of the connecting bolt in a threaded mode, and the pressing nut is arranged above the pressing plate.

By adopting the technical scheme, the workpiece is placed on the top surface of the tool table body, the pressing plate is rotated to cover the workpiece, the pressing plate is abutted to press the workpiece when the pressing nut is rotated, the workpiece is fixed through friction and pressing force, the position of the connecting bolt is adjustable due to sliding connection, the position of the pressing point is controllable, the fixing effect of the workpiece can be relieved through reverse operation, and the use is convenient.

The present invention may be further configured in a preferred embodiment as: and waist-shaped holes for connecting bolts to penetrate through are vertically formed in the pressing plate.

Through adopting above-mentioned technical scheme, waist shape hole makes the pressure strip can change with connecting bolt's horizontal relative position, and the area of contact of pressure strip and work piece is controllable, and it is more convenient that the pressure strip does not influence placing and the work piece of the different specifications of chucking of work piece.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the base platform is used for spacing the tool table body and the workbench, the levelness of the workbench is not easy to change due to abrasion, the universal ball and the rotating bearing are used for reducing friction resistance and rotating abrasion, the machining precision is high, and the tool table is suitable for machining longer workpieces;

2. through lubricated chamber, lubricating oil, lubrication hole and guide sponge realization universal ball self-lubricate, the rotating resistance is littleer, and the rotary wear is littleer.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment.

FIG. 2 is a cross-sectional view of a particular embodiment for the internal structure of the lubrication chamber.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.

FIG. 5 is a schematic structural view of a detachment mechanism according to an embodiment.

In the drawing, 1, a drilling machine body; 11. a work table; 2. a base platform; 21. a rotating shaft; 211. a rotating bearing; 22. a ball transfer unit; 23. a lubrication chamber; 231. a guide sponge; 24. a lubrication hole; 25. a refill port; 251. sealing; 3. a tooling table body; 31. a positioning column; 32. a fixing device; 321. a connecting bolt; 322. a compression plate; 3221. a waist-shaped hole; 323. a compression nut; 4. a limiting mechanism; 41. locking the bolt; 42. a rubber block; 5. a dismounting and mounting mechanism; 51. mounting holes; 52. mounting a column; 53. a stabilization well; 54. a bolt; 6. an auxiliary support column; 61. footing; 62. and (4) anti-skid blocks.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a high accuracy radial drill, including the drilling machine body 1 that is provided with workstation 11, workstation 11 is improved level and is provided with basic platform 2. The top surface of the base platform 2 is rotatably connected with a tool table body 3, and the rotating surface of the tool table body 3 is horizontal. A plurality of positioning columns 31 are vertically and fixedly arranged on the top surface of the tool table body 3 for a user to position a workpiece, and a fixing device 32 is arranged on the top surface of the tool table body 3 for the user to fix the workpiece on the tool table body 3. The top surface of the base platform 2 is vertically and fixedly provided with a rotating shaft 21, and the rotating shaft 21 is rotatably connected with the tool table body 3. The cover is equipped with the rolling bearing 211 that is used for strengthening the rotational fluency on the rotation axis 21, sets firmly a plurality of universal ball 22 with the 3 top surfaces butt of frock stage body on the 2 top surfaces of basic platform. Be provided with stop gear 4 on the basic platform 2 and supply the user to fix the rotation angle of frock stage body 3, be provided with on the basic platform 2 and tear an ann mechanism 5 and supply the user to fix on workstation 11 on the basic platform 2.

When a workpiece with a large specification and exceeding the bearing area of the workbench 11 and the machining adjusting range of the drilling machine body 1 needs to be machined, the basic platform 2 is placed on the workbench 11, the relative positions of the workbench 11 and the drilling machine body are fixed through the mounting and dismounting mechanism 5, the workpiece is placed on the tool table body 3, and the relative positions of the workbench 3 and the drilling machine body are determined through the positioning column 31 and the fixing device 32. The workpiece is rotated by rotating the tool table body 3, the workpiece displacement with larger degree of freedom and adjusting range in a fixed state without contacting the workpiece is realized, and the processing is convenient. When the work piece is rotatory, basic platform 2 and workstation 11 relative displacement and difficult mutual wearing and tearing, the rotation combined action of rolling bearing 211 and universal ball 22 makes the rotatory resistance of frock stage body 3 reduce, and manual rotatory frock stage body 3 is convenient, uses manpower sparingly, and it is convenient to follow-up rotation angle through the fixed frock stage body 3 of stop gear 4. And the basic platform 2 and the tool table body 3 are not easy to wear mutually, the levelness is good, the processing precision is high, and the service life is long. The base platform 2 and the workbench 11 are convenient to disassemble and install, the subsequent use of the workbench 11 is not influenced, and the use is convenient.

Referring to fig. 2, in order to further reduce the frictional resistance when the tooling table body 3 rotates, a lubrication cavity 23 filled with lubricating oil is provided in the base platform 2, and a plurality of lubricating holes 24 with vertical axes are provided on the inner top surface of the lubrication cavity 23. The lubricating hole 24 corresponds the setting of universal ball 22, and the top of lubricating hole 24 extends to corresponding universal ball 22 department, and the bottom and the lubrication chamber 23 intercommunication of lubricating hole 24. The vertical a plurality of guide sponges 231 that have set firmly on the bottom surface in the lubrication cavity 23, guide sponge 231 is the cylinder setting that the external diameter equals with 24 internal diameters of lubrication hole. The number of the guiding sponges 231 is equal to that of the lubricating holes 24, and the guiding sponges 231 are arranged in a one-to-one correspondence manner, and the top ends of the guiding sponges 231 penetrate through the lubricating holes 24 and are abutted to the corresponding universal balls 22. The periphery of the base platform 2 is provided with a supplement port 25 communicated with the lubricating cavity 23, and the supplement port 25 is connected with a sealing plug 251 through threads.

The lubricant infiltrates the guiding sponge 231 due to capillary action, and the universal ball 22 moves relative to the guiding sponge 231 when rolling and automatically coats the lubricant, so that the friction resistance between the base platform 2 and the tool table body 3 is further reduced. And the universal ball 22 and the tool table body 3 are not easy to wear mutually, the universal ball 22 is not easy to rust, the service life is further prolonged, and the use effect is good. The user regularly unscrews the sealing plug 251, pours the lubricating oil into the lubricating cavity 23 from the replenishing port 25, resets the sealing plug 251, and is convenient for replenishing the lubricating oil and using.

Referring to fig. 3, the limiting mechanism 4 includes a locking bolt 41 screwed to the tool body 3, and an axis of the locking bolt 41 is parallel to a radial direction of the rotary shaft 21. The end of the locking bolt 41 extends to the rotary shaft 21, and a rubber block 42 is fixed to the end of the locking bolt 41. When the rubber block 42 is pressed against the outer periphery of the rotary shaft 21, the rotation angle of the tool table 3 is fixed. When the user needs to fix the rotation angle of the tooling table body 3, the locking bolt 41 is rotated until the rubber block 42 abuts against the rotation shaft 21 and is pressed tightly, and the rotation angle of the tooling table body 3 is fixed through the pressing force and the friction force between the rubber block 42 and the rotation shaft 21. There is the clearance between reverse rotation locking bolt 41 to rubber block 42 and the rotation axis 21, can the free rotation frock stage body 3, and fixed rotation angle's easy operation and fixed effectual.

Referring to fig. 5, the detachment mechanism 5 includes a mounting hole 51 vertically provided on the table 11, and the mounting hole 51 is a square hole. The bottom surface of the base platform 2 is vertically and fixedly provided with a mounting column 52, and the shape of the mounting column 52 is matched with that of the mounting hole 51. The mounting post 52 is provided at the center of the base platform 2, and the mounting hole 51 is provided at the center of the work table 11. A stabilizing hole 53 is horizontally arranged on the workbench 11, and a bolt 54 horizontally penetrates through the stabilizing hole 53. When the mounting post 52 is fitted into the mounting hole 51 and the plug 54 is inserted horizontally through the mounting post 52 and the table 11, the base platform 2 is fixed to the table 11. The user places basic platform 2 on workstation 11, and through the gomphosis level of erection column 52 and mounting hole 51 to location basic platform 2 and workstation 11, the horizontal cross-sectional shape of erection column 52 is square makes basic platform 2 and workstation 11 unable relative rotation. Further, the bolt 54 is inserted into the mounting hole 51, and the bolt 54 penetrates through the working platform 11 and the mounting post 52 at the same time to realize the vertical positioning of the working platform 11 and the base platform 2, thereby fixing the base platform 2 and the working platform 11. The basic platform 2 and the workbench 11 can be separated by reverse operation, and the disassembly and the installation are convenient and the use is convenient.

Referring to fig. 2, in order to enhance the stability of the foundation platform 2, the auxiliary supporting columns 6 are vertically and fixedly arranged on the bottom surface of the foundation platform 2, and the number of the auxiliary supporting columns 6 is two and symmetrically arranged. The border department of basic platform 2 bottom surface is located outside workstation 11 top surface border department, and auxiliary stay post 6 sets up between basic platform 2 bottom surface boundary line and workstation 11 top surface boundary line, and auxiliary stay post 6's bottom threaded connection footing 61. The vertical projection of the foot 61 is positioned on the drilling machine body 1, and the bottom surface of the foot 61 is fixed with a non-slip block 62 made of rubber. The user fixes basic platform 2 back on workstation 11, rotatory footing 61 to non slipping

spur

62 and 1 butt of drilling machine body, footing 61 and auxiliary stay post 6 keep relative position unchangeable because of screw thread auto-lock nature, provide vertical to auxiliary stay power for basic platform 2 through footing 61 and auxiliary stay post 6, and basic platform 2 is more stable to the support of frock stage body 3 and work piece, and the processing effect is better. The non-slip blocks 62 increase the friction force between the bottom feet 61 and the drilling machine body 1, the bottom feet 61 are not prone to shifting, and the supporting effect is better. Footing 61 and auxiliary stay post 6 accessible screw thread rotation change relative position, it is convenient to accomodate footing 61, does not influence the displacement and the installation of tearing open of basic platform 2.

Referring to fig. 4, the fixing device 32 includes two connecting bolts 321 horizontally slidably connected to the top surface of the tooling table 3, and the two connecting bolts 321 are symmetrically disposed at two ends of the tooling table 3. The connecting bolt 321 is sequentially sleeved with a compression nut 323 and a compression plate 322 from top to bottom, a waist-shaped hole 3221 with a vertical axis is formed in the compression plate 322, and the connecting bolt 321 vertically penetrates through the waist-shaped hole 3221. The maximum distance between the pressing plate 322 and the top surface of the tool table body 3 is changed by rotating the pressing nut 323, so that the workpiece arranged between the pressing plate 322 and the top surface of the tool table body 3 is clamped and fixed. When the workpiece is fixed on the tool table body 3, the sliding position of the connecting bolt 321 is fixed by the pressing force and the friction force of the sliding connection part of the connecting bolt 321 and the tool table body 3, the horizontal position of the pressing plate 322 can be changed by the sliding of the connecting bolt 321, and the clamping position is convenient to adjust. The pressing plate 322 can rotate relative to the connecting bolt 321, the horizontal relative position of the pressing plate 322 and the connecting bolt 321 can be changed through the waist-shaped hole 3221, the contact area of the pressing plate 322 and a workpiece can be controlled, the pressing plate 322 does not influence the placement of the workpiece, and workpieces of different specifications can be clamped conveniently.

The implementation principle of the embodiment is as follows: make basic platform 2 can not wear and tear 11 top surfaces of workstation when rotatory through basic platform 2 interval frock stage body 3 and workstation 11, do not influence the follow-up use of workstation 11, reduce the rotational resistance of frock stage body 3 through rolling bearing 211 and universal ball 22, manual rotatory frock stage body 3 is laborsaving and smooth and easy, adsorb lubricating oil and automatic coating lubricating oil when universal ball 22 is rotatory through guide sponge 231, universal ball 22 is rotatory smooth and easy and difficult corrosion because of lubricating oil, frock stage body 3 is rotatory convenient and the levelness is good, long service life.

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 high accuracy radial drill, is including drilling machine body (1) that is provided with workstation (11), its characterized in that: a basic platform (2) is horizontally arranged on the workbench (11), a tooling platform body (3) is rotationally connected on the basic platform (2), the rotating surface of the tool table body (3) is horizontal, a plurality of positioning columns (31) for positioning workpieces and a fixing device (32) for fixing the workpieces are arranged on the top surface of the tool table body (3), a rotating shaft (21) which is rotationally connected with the tool table body (3) is vertically and fixedly arranged on the base platform (2), a rotating bearing (211) is sleeved on the rotating shaft (21), a plurality of universal balls (22) which are abutted against the top surface of the tool table body (3) are fixedly arranged on the top surface of the basic platform (2), a limiting mechanism (4) for fixing the rotation angle of the tool table body (3) is arranged on the basic platform (2), the base platform (2) is provided with a dismounting and mounting mechanism (5) used for fixing the base platform (2) on the workbench (11).

2. The high precision radial drill press of claim 1, wherein: be provided with lubrication chamber (23) in basic platform (2), lubrication chamber (23) intussuseption is filled with lubricating oil, lubrication chamber (23) intercommunication has vertical lubrication hole (24) that just extend to universal ball (22) department of a plurality of axes, wear to be equipped with in lubrication hole (24) and guide sponge (231), guide sponge (231) are cylindricly to be fixed on lubrication chamber (23) bottom surface, the both ends of guide sponge (231) respectively with lubrication chamber (23) bottom surface and universal ball (22) bottom butt.

3. The high precision radial drill press of claim 1, wherein: the limiting mechanism (4) comprises a locking bolt (41) in threaded connection with the tool table body (3), the axis of the locking bolt (41) is parallel to the radial direction of the rotating shaft (21), and a rubber block (42) used for being abutted to the outer peripheral surface of the rotating shaft (21) is fixed at the end part of a bolt body of the locking bolt (41).

4. The high precision radial drill press of claim 1, wherein: tear an ampere mechanism (5) including vertical mounting hole (51) of setting on workstation (11), mounting hole (51) are the square hole, upright the erection column (52) have set firmly on basic platform (2) bottom surface, erection column (52) and mounting hole (51) gomphosis, workstation (11) are improved level and are provided with stabilizing hole (53), wear to be equipped with bolt (54) in stabilizing hole (53), bolt (54) level runs through erection column (52) and workstation (11) simultaneously.

5. The high precision radial drill press of claim 4, wherein: the bottom surface area of basic platform (2) is greater than workstation (11) top surface area, vertically on basic platform (2) the bottom surface has set firmly auxiliary stay post (6), the bottom threaded connection of auxiliary stay post (6) has footing (61) that are used for with drilling machine body (1) butt, the quantity of auxiliary stay post (6) is two and the symmetry sets up the both ends at basic platform (2).

6. The high precision radial drill press of claim 5, wherein: and anti-skidding blocks (62) made of rubber are fixed on the bottom surfaces of the bottom feet (61).

7. The high precision radial drill press of claim 1, wherein: fixing device (32) include that the level slides and connects connecting bolt (321) on frock stage body (3) top surface, connecting bolt (321) are at vertical to sliding connection have pressure strip (322), connecting bolt (321) top threaded connection has gland nut (323), gland nut (323) set up the top at pressure strip (322).

8. The high precision radial drill press of claim 7, wherein: and waist-shaped holes (3221) for connecting bolts (321) to penetrate through are vertically formed in the pressing plate (322).