CN210280735U

CN210280735U - Radial drill convenient to change

Info

Publication number: CN210280735U
Application number: CN201920951337.9U
Authority: CN
Inventors: 高明
Original assignee: Zhejiang Yinan Civil Air Defense Equipment Co Ltd
Current assignee: Zhejiang Yinan Civil Air Defense Equipment Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-04-10
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a radial drill convenient to change relates to radial drill's technical field, including the headstock, it is connected with drill base to rotate on the headstock diapire, be provided with the shifter on the headstock diapire, the shifter includes the drive assembly who links to each other with the headstock diapire, the last turning block that is connected with of drive assembly, even interval connection has the connecting rod on the week lateral wall of turning block, the connecting rod is kept away from and is connected with the connection base with the one end rotation of turning block, be connected with the drill bit on the connection base, it links to each other with drill base to connect the base. The utility model discloses have the effect that the drill bit improves work efficiency of conveniently changing.

Description

Radial drill convenient to change

Technical Field

The utility model belongs to the technical field of radial drill's technique and specifically relates to a radial drill convenient to change is related to.

Background

A radial drill is a drill in which a radial arm is rotatable and liftable around a column, and a spindle head is generally horizontally movable on the radial arm. The drilling machine is mainly used for processing various forms of drilling, reaming, tapping, end face scraping and the like of steel.

The existing radial drilling machine mainly comprises a stand column, a rocker arm perpendicular to the stand column is slidably mounted on the stand column, a lifting motor is fixedly mounted on the stand column, a screw rod is connected to an output shaft of the lifting motor in a key mode, a threaded hole is formed in the rocker arm, and the screw rod is in threaded connection with the threaded hole. The main shaft box is slidably mounted on the rocker arm along the length direction of the rocker arm, the rotating motor is mounted on the main shaft box, a transmission gear set driven by the rotating motor is arranged in the main shaft box, and a drill bit driven by the main shaft box gear set is mounted on the bottom wall of the main shaft box. A workbench for placing drilling materials is arranged below the rocker arm. Radial drill places drilling material on the workstation earlier when using, then uses anchor clamps to stabilize its centre gripping, starts again to rotate motor drive drill bit and rotates, then starts elevator motor, and elevator motor drive screw rotates, and the screw rod drives the rocking arm decline for the drill bit punches on drilling material.

The above prior art solutions have the following drawbacks: radial drill need change the drill bit of different diameters when beating the drilling of obstructed diameter, and change at every turn and all need the manual work to unscrew the base of drill bit installation and replace, and it is comparatively loaded down with trivial details to change the step for the work efficiency of drilling descends.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a radial drill convenient to change through set up conversion mechanism on radial drill, the drive assembly among the conversion mechanism drives the connection base of installing the drill bit and carries out quick replacement to the operating mode of difference, improves work efficiency.

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

a radial drilling machine convenient to replace comprises a main spindle box, wherein a drill bit base is connected to the bottom wall of the main spindle box in a rotating mode, a switching mechanism is arranged on the bottom wall of the main spindle box and comprises a driving assembly connected with the bottom wall of the main spindle box, a rotating block is connected onto the driving assembly, connecting rods are evenly connected to the circumferential side wall of the rotating block at intervals, one end, far away from the rotating block, of each connecting rod is connected with a connecting base in a rotating mode, a drill bit is connected onto each connecting base, and the connecting bases are connected with the drill bit base;

the drive assembly includes the lifter that links to each other with the headstock diapire, slidable mounting has the lifter on the lifter, the lifter with rotate on the turning block and link to each other, drive assembly still includes the drive actuating cylinder that links to each other with the headstock diapire, drive and link to each other with the lifter on actuating cylinder's the piston rod, drive assembly is still including setting up the rotation piece on the sliding block.

Through adopting above-mentioned technical scheme, drive assembly drive turning block rotates, and the turning block rotates and drives the connecting rod that links to each other with the turning block and rotate, and the connecting rod drives and connects the base and rotate, installs the drill bit of different diameters on the different connection bases to the drill bit that is used for drilling on the drill bit base carries out convenient and fast's change, improves work efficiency.

When changing the drill bit, start and drive actuating cylinder, the piston rod that drives actuating cylinder drives the elevator and descends along the lifter, and the elevator drives the turning block and descends, and the turning block drives the connecting rod and descends, and the connecting rod drives and connects the base and descend for install the drill bit on connecting the base and demolish. Then make the connection base of installing required size rotate drill bit base below through rotating the piece, then restart and drive actuating cylinder, the piston rod that drives actuating cylinder drives the elevator and rises along the lifter, and the elevator drives the turning block and rises, and the turning block drives the connecting rod and rises, and the connecting rod drives and connects the base and rise for it links to each other with drill bit base to connect the base, thereby accomplishes the change. The replacement process is simple and quick.

The utility model discloses further set up to: the rotating part comprises a rotating motor connected with the sliding block, an output shaft of the rotating motor is connected with a first bevel gear in a key mode, one side, close to the rotating motor, of the rotating block is fixedly connected with a second bevel gear along the circumferential direction of the rotating block, and the first bevel gear is meshed with the second bevel gear.

Through adopting above-mentioned technical scheme, start the rotation motor, the output shaft that rotates the motor rotates, and the output shaft rotates and drives first bevel gear and rotate, and first bevel gear drives second bevel gear and rotates, and second bevel gear drives the turning block and rotates, and the turning block drives the connecting rod and rotates to the connection base that makes to install different diameters rotates and changes.

The utility model discloses further set up to: the connecting rod passes through the auxiliary member with connecting the base and links to each other, the auxiliary member includes the holding ring that links to each other with the connecting rod is fixed, install in the holding ring and rotate the bearing ring of being connected with the holding ring, set up more than one screens hole along bearing ring circumference on the roof of bearing ring, be connected with the screens piece that cooperation screens hole used on the week lateral wall of connecting the base, screens piece and screens hole threaded connection.

Through adopting above-mentioned technical scheme, connect the base and can dismantle and install on the connecting rod through the auxiliary member to make radial drill's the adjustable scope of diameter of drill bit bigger. When the connecting base is replaced, the connecting base only needs to move upwards from the positioning ring, so that the clamping block is separated from the clamping hole in the bearing ring, and the connecting base is detached. When the new connecting base is replaced, the clamping blocks on the connecting base are in threaded connection with the corresponding clamping holes, and installation is completed.

The utility model discloses further set up to: connect and be provided with the installation component between base and the drill bit base, the installation component includes the fixed block that links to each other with the connection base lateral wall, the fixed slot has been seted up on the drill bit base, fixed block and fixed slot looks joint, be connected with more than one locating piece on the fixed block, the constant head tank that the cooperation locating piece used is seted up to the tank bottom of fixed slot, locating piece and constant head tank looks joint.

Through adopting above-mentioned technical scheme, connect the base and when rising and drill base link to each other, connect the base and rise under the drive that drives actuating cylinder, connect fixed block and the corresponding joint of fixed slot on the base, locating piece and the corresponding joint of constant head tank on the fixed block to will connect the pedestal mounting on the drill base. The locating piece is used for injecing the relative position of connecting base and drill bit base to make drill bit base when rotating, can drive and connect the base and rotate.

The utility model discloses further set up to: one end of the connecting base, which is connected with the drill bit, is connected with a circle of stop block along the circumferential direction of the drill bit, and at least one open hole is uniformly arranged on the stop block at intervals.

Through adopting above-mentioned technical scheme, when the drill bit during operation, the sweeps that produce when the drill bit punches probably splashes and gets into the connection gap between connection base and the holding ring to cause certain influence to the installation stability of connecting the base. And the stop block can block the scraps splashed upwards, thereby playing the effect of protecting the connecting base.

The utility model discloses further set up to: the one end that keeps away from and connect the base and link to each other is kept away from the direction slope setting of drill bit to the fender position piece.

Through adopting above-mentioned technical scheme, the setting of keeping off the position piece slope for the sweeps that splashes can be launched to the position of keeping away from the drill bit by keeping off the position piece when striking on the position piece, avoids being influenced by the sweeps that the position piece rebounded back to the work of drill bit.

The utility model discloses further set up to: the stop block can be dismantled with the connection base and link to each other, the stop block has seted up more than one recess along stop block circumference on the lateral wall that the base links to each other with the connection base, along being provided with the spring in the recess, spring one end links to each other with the tank bottom of recess, the other end of spring is connected with the lug, one side that the lug is close to the drill bit sets up to the arc, the lateral wall that the drill bit was kept away from to the lug is mutually perpendicular with the axis of connecting the base, has seted up the card definite groove on the lateral wall of connection base, lug and card definite groove joint.

Through adopting above-mentioned technical scheme, the fender position piece can be changed, and the maintenance when convenient damaging the fender position piece. When the clamping base is disassembled, the blocking block slides downwards, the arc-shaped surface of the convex block is extruded with the side wall of the clamping groove, and the convex block is pressed into the groove by the component force of the pressure on the convex block towards the groove, so that the blocking block smoothly slides down from the connecting base. During the installation, with the connection base of keeping off the position piece along drill point cover access, when the diameter grow of connecting the base, the lug is pressed in the recess, and after the lug is corresponding with the card piece, the lug pops out to it is fixed to keep off the position piece.

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

1. the connecting base provided with the drill bits with different diameters can be replaced according to working conditions by arranging the driving assembly to drive the rotating block to rotate, so that the effect of improving the working efficiency is achieved;

2. iron chips generated by the drill bit are protected by arranging the stop block on the connecting base, so that the installation stability of the connecting base is protected.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the shift mechanism and headstock;

FIG. 3 is an exploded view of the connection base, drill bit, retaining ring, and drill bit base;

FIG. 4 is a cross-sectional view of the connection mount and the bit mount;

fig. 5 is a partially enlarged view of a in fig. 4.

Reference numerals: 1. a column; 11. a rocker arm; 12. a main spindle box; 13. a drill base; 2. a switching mechanism; 21. a drive assembly; 22. a driving cylinder; 23. a lifting rod; 24. a lifting block; 3. a rotating member; 31. rotating the motor; 32. a first bevel gear; 33. rotating the block; 34. a second bevel gear; 35. a connecting rod; 4. an auxiliary member; 41. a positioning ring; 42. a bearing ring; 43. a position clamping hole; 44. connecting a base; 45. a bit block; 46. a drill bit; 5. a stop block; 51. opening a hole; 52. a groove; 53. a spring; 54. a bump; 55. a clamping groove; 6. mounting the component; 61. a fixed block; 62. fixing grooves; 63. and (5) positioning the blocks.

Detailed Description

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

Referring to fig. 1, the utility model discloses a radial drill convenient to change, including stand 1, slidable mounting has rocking arm 11 on the stand 1, and there is headstock 12 along the length direction slidable mounting of rocking arm 11 on the rocking arm 11. A drill base 13 is rotatably mounted on the bottom wall of the main spindle box 12.

Referring to fig. 1 and 2, a conversion mechanism 2 is provided on a bottom wall of the headstock 12, and the conversion mechanism 2 includes a drive unit 21. The driving assembly 21 comprises a driving cylinder 22 fixedly connected with the bottom wall of the spindle box 12, a lifting rod 23 is further fixedly connected to the bottom wall of the spindle box 12, a lifting block 24 is slidably mounted on the lifting rod 23, and a piston rod of the driving cylinder 22 is connected with the lifting block 24.

Referring to fig. 2, the conversion mechanism 2 further includes a rotation member 3 disposed on the lift block 24, the rotation member 3 includes a rotation motor 31 fixedly connected to the lift block 24, and an output shaft of the rotation motor 31 is keyed with a first bevel gear 32. The bottom wall of the lifting block 24 is rotatably connected with a rotating block 33, and the rotating block 33 is connected with the lifting block 24 in a sliding manner. A second bevel gear 34 is fixedly connected to the side wall of the rotating block 33 close to the lifting block 24, and the first bevel gear 32 is meshed with the second bevel gear 34.

Referring to fig. 2 and 3, more than one connecting rod 35 is fixedly connected to the circumferential side wall of the rotating block 33 along the circumferential direction of the rotating block 33, and the auxiliary member 4 is disposed at one end of the connecting rod 35 away from the end connected to the rotating block 33. The auxiliary member 4 comprises a positioning ring 41 fixedly connected with the connecting rod 35, a bearing ring 42 is mounted on the inner side wall of the positioning ring 41, and more than one clamping hole 43 is formed in the top wall of the inner ring of the bearing ring 42 along the circumferential direction of the bearing ring 42. The positioning ring 41 is internally provided with a connecting base 44, the connecting base 44 is rotatably connected with more than one clamping block 45 on the side wall close to the positioning ring 41, and the clamping block 45 is in threaded connection with the clamping hole 43.

Referring to fig. 4 and 5, a drill 46 is mounted on the connection base 44. One end of the connecting base 44 connected with the drill 46 is connected with a circle of stop blocks 5 along the circumferential direction of the drill 46, and at least one opening 51 is formed in each stop block 5 at regular intervals. More than one groove 52 is formed in the circumferential direction of the stop block 5 on the side wall where the stop block 5 is connected with the connecting base 44, a spring 53 is arranged on the inner edge of the groove 52, one end of the spring 53 is connected with the bottom of the groove 52, the other end of the spring 53 is connected with a convex block 54, one side, close to the drill bit 46, of the convex block 54 is arc-shaped, the side wall, far away from the drill bit 46, of the convex block 54 is perpendicular to the axis of the connecting base 44, a clamping groove 55 is formed in the side wall of the connecting base 44, and the convex block 54 is clamped. The stop block 5 is arranged away from the end connected with the connecting base 44 and slants away from the drill bit 46.

Referring to fig. 4, one end of the connection base 44 close to the drill base 13 is provided with a mounting assembly 6, the mounting assembly 6 includes a fixing block 61 connected to the side wall of the connection base 44, a fixing groove 62 is formed in the drill base 13, the fixing block 61 is in clamping connection with the fixing groove 62, more than one positioning block 63 is connected to the fixing block 61, a positioning groove used in cooperation with the positioning block 63 is formed in the bottom of the fixing groove 62, and the positioning block 63 is in clamping connection with the positioning groove.

The implementation principle of the embodiment is as follows: when the drill bit 46 needs to be replaced, the work of the drilling machine of the rocker arm 11 is stopped firstly, then the driving air cylinder 22 is started firstly, the piston rod of the driving air cylinder 22 drives the lifting block 24 to descend along the lifting rod 23, the lifting block 24 descends to drive the connecting rod 35 to descend, and the connecting rod 35 descends to drive the connecting base 44 to descend, so that the connecting base 44 is separated from the drilling machine base. Then the rotating motor 31 is started again, the output shaft of the rotating motor 31 rotates to drive the first bevel gear 32 to rotate, the first bevel gear 32 drives the second bevel gear 34 to rotate, the second bevel gear 34 drives the rotating block 33 to rotate, the rotating block 33 drives the connecting rod 35 to rotate, and the connecting rod 35 drives the connecting base 44 provided with the drill bit 46 with the required diameter to rotate to the position below the drill bit base 13. Then, the driving cylinder 22 is started again, the piston rod of the driving cylinder 22 drives the lifting block 24 to ascend, the lifting block 24 drives the rotating block 33 to ascend, the rotating block 33 drives the connecting rod 35 to ascend, and the connecting rod 35 drives the connecting base 44 to be connected with the drill bit base 13, so that replacement is completed. The drill press is then activated again to perform a new round of operation by means of the rocker arm 11.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a radial drill convenient to change, includes headstock (12), it is connected with drill bit base (13) to rotate on headstock (12) diapire, its characterized in that: the bottom wall of the spindle box (12) is provided with a conversion mechanism (2), the conversion mechanism (2) comprises a driving assembly (21) connected with the bottom wall of the spindle box (12), the driving assembly (21) is connected with a rotating block (33), the peripheral side wall of the rotating block (33) is uniformly connected with connecting rods (35) at intervals, one end, far away from the rotating block (33), of each connecting rod (35) is rotatably connected with a connecting base (44), a drill bit (46) is connected onto each connecting base (44), each connecting base (44) is connected with a drill bit base (13), each driving assembly (21) comprises a lifting rod (23) connected with the bottom wall of the spindle box (12), each lifting rod (23) is provided with a lifting block (24) in a sliding mode, each lifting block (24) is rotatably connected with the corresponding rotating block (33), each driving assembly (21) further comprises a driving air cylinder (22) connected with the bottom wall of the spindle box (12), the piston rod of the driving cylinder (22) is connected with the sliding block, and the driving assembly (21) further comprises a rotating piece (3) arranged on the sliding block.

2. The easy-to-replace radial drill press of claim 1, wherein: the rotating part (3) comprises a rotating motor (31) connected with the lifting block (24), an output shaft of the rotating motor (31) is connected with a first bevel gear (32) in a key mode, one side, close to the rotating motor (31), of the rotating block (33) is fixedly connected with a second bevel gear (34) along the circumferential direction of the rotating block (33), and the first bevel gear (32) is meshed with the second bevel gear (34).

3. The easy-to-replace radial drill press of claim 1, wherein: connecting rod (35) link to each other through auxiliary member (4) with being connected base (44), auxiliary member (4) include with connecting rod (35) fixed holding ring (41) that link to each other, install in holding ring (41) and rotate bearing ring (42) of being connected with holding ring (41), more than one screens hole (43) have been seted up along bearing ring (42) circumference on the roof of bearing ring (42), be connected with on the week lateral wall of connecting base (44) and cooperate screens piece (45) that screens hole (43) used, screens piece (45) and screens hole (43) threaded connection.

4. The easy-to-replace radial drill press of claim 1, wherein: connect to be provided with between base (44) and the drill bit base (13) installation component (6), installation component (6) include with be connected fixed block (61) that base (44) lateral wall links to each other, fixed slot (62) have been seted up on drill bit base (13), fixed block (61) and fixed slot (62) joint mutually, be connected with more than one locating piece (63) on fixed block (61), the constant head tank that cooperation locating piece (63) used is seted up to the tank bottom of fixed slot (62), locating piece (63) and constant head tank joint mutually.

5. The easy-to-replace radial drill press of claim 1, wherein: the connecting device is characterized in that one end of the connecting base (44) connected with the drill bit (46) is connected with a circle of stop block (5) along the circumferential direction of the drill bit (46), and at least one open hole (51) is formed in the stop block (5) at even intervals.

6. The easy-to-replace radial drill press of claim 5, wherein: the end, far away from the connecting base (44), of the stop block (5) is obliquely arranged in the direction far away from the drill bit (46).

7. The easy-to-replace radial drill press of claim 5, wherein: keep off position piece (5) and connection base (44) can dismantle continuously, keep off position piece (5) and be connected on the lateral wall that base (44) link to each other along keeping off position piece (5) circumference seted up more than one recess (52), along being provided with spring (53) in recess (52), spring (53) one end links to each other with the tank bottom of recess (52), the other end of spring (53) is connected with lug (54), one side that lug (54) are close to drill bit (46) sets up to the arc, lug (54) keep away from the lateral wall of drill bit (46) and the axis of being connected base (44) are mutually perpendicular, have seted up on the lateral wall of connection base (44) and have blocked definite groove (55), lug (54) and blocked definite groove (55) joint.