CN216264537U

CN216264537U - Drilling and tapping center spindle knife forging device

Info

Publication number: CN216264537U
Application number: CN202123034690.7U
Authority: CN
Inventors: 韩华朋; 李莉莉; 张伟; 魏晓庆; 韩凯; 马义茹
Original assignee: Shandong Dide Precision Machine Tool Co ltd
Current assignee: Shandong Dide Precision Machine Tool Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-04-12
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a drilling and tapping center spindle knife beating device which comprises a stand column and a knife beating cylinder, wherein a spindle box is fixedly arranged on one side of the stand column, a connecting column is rotatably connected inside the spindle box through a connecting shaft, a knife beating frame is fixedly arranged on one side of the connecting column, a knife beating rod is fixedly arranged on the other side of the connecting column, a reset assembly is arranged at the bottom of the knife beating rod, a first rotating seat is fixedly arranged at the bottom end inside the spindle box, a first connecting block is fixedly arranged at the end part of the knife beating cylinder, and the first connecting block is rotatably connected with the first rotating seat through a rotating shaft; the utility model has the beneficial effects that: the tool setting cylinder is arranged in the spindle box, the tool changing position can be freely set according to requirements, the adjustment of the relative position of the tool setting rod between the spindle box and the upright post is avoided, the operation is convenient and fast, and the tool setting action at any position of a drilling and tapping machining center can be realized by using the device; the size of the cutter beating rod is shortened, and the weight is reduced; and the needle bearing is omitted at the limiting end of the cutter rod, so that the service life is prolonged.

Description

Drilling and tapping center spindle knife forging device

Technical Field

The utility model relates to a cutter beating device, in particular to a cutter beating device for a drilling and tapping center spindle, and belongs to the technical field of drilling center machining.

Background

A drilling and tapping centre is a machine tool for cutting metal, often also referred to as a "drilling and milling tapping centre". At present, most of knife beating modes of a vertical drilling and tapping center are lever knife beating, the middle of a knife beating rod is fixed on a main shaft box of a machine tool in a hinge mode, a limit baffle at the limit end of the knife beating rod is fixed on an upright post, the knife beating rod carries out reciprocating motion according to the position of the limit baffle, and the other end of the knife beating rod presses a main shaft unclamping knife mechanism to complete unclamping and clamping of a knife. The size of the cutter bar is large, the weight is heavy, and the moving speed and the precision of a Z axis are influenced; and the cutter can be only cut at a set position; meanwhile, the single-row needle roller bearing is arranged at the limiting baffle end of the cutter striking rod, the bearing is high in stress and load, and the service life of the roller is short.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drilling and tapping center spindle tapping device, which aims to solve the problems that the tapping rod in the background technology is large in size and heavy in weight, and the moving speed and the moving precision of a Z axis are influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a bore and attack central main shaft and beat sword device, includes the stand and beats the sword cylinder, the fixed headstock that is equipped with in one side of stand, the inside of headstock is rotated through the connecting axle and is connected with the spliced pole, the fixed knife rest that is equipped with in one side of spliced pole, the fixed sword pole that is equipped with of opposite side of spliced pole, the bottom of beating the sword pole is equipped with reset assembly, the inside bottom mounting of headstock is equipped with first rotation seat, the end fixing of beating the sword cylinder is equipped with first connecting block, first connecting block rotates with first rotation seat through the pivot to be connected, the fixed second connecting block that is equipped with of piston rod of beating the sword cylinder, the fixed second that is equipped with of one end of beating the sword pole rotates the seat, the second rotates the seat and rotates with the second connecting block through the pivot to be connected.

As a preferred technical scheme of the utility model, the reset assembly comprises a first hook, a second hook and a reset spring, the first hook is fixedly arranged at the bottom end inside the spindle box, the second hook is fixedly arranged at the bottom end of the screwdriver rod, two ends of the reset spring are fixedly provided with hanging rings, and the two hanging rings are respectively hooked with the first hook and the second hook.

As a preferred technical scheme of the utility model, two ends of the inner wall of the knife forging frame are rotatably connected with rollers through rotating shafts.

As a preferred technical scheme of the present invention, an installation plate is fixedly disposed at a bottom end of the first rotating base, and the installation plate is fixedly connected to a bottom end inside the main spindle box through four fixing bolts.

As a preferable technical scheme of the utility model, reinforcing ribs are fixedly arranged at the joint of the striking tool holder and the connecting column and the joint of the striking tool holder and the connecting column.

As a preferred technical scheme of the present invention, a switch panel is fixedly disposed on one side of the spindle box, a knife striking cylinder switch is disposed on a surface of the switch panel, and the knife striking cylinder is electrically connected to a power supply through the knife striking cylinder switch.

Compared with the prior art, the utility model has the beneficial effects that: according to the drilling and tapping center spindle tapping device, the tapping cylinder is arranged in the spindle box, the tool changing position can be freely set according to requirements, the adjustment of the relative position of the tapping rod between the spindle box and the upright post is avoided, the operation is convenient and fast, and the tapping action at any position of a drilling and tapping machining center can be realized by using the device; the size of the cutter beating rod is shortened, and the weight is reduced; and the needle bearing is omitted at the limiting end of the cutter rod, so that the service life is prolonged.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a partial schematic view of the present invention;

FIG. 4 is a top view of FIG. 3 in accordance with the present invention;

fig. 5 is a partial enlarged structural schematic diagram of the resetting assembly of the utility model.

In the figure: 1. a column; 2. a main spindle box; 3. a connecting shaft; 4. connecting columns; 5. a knife holder is arranged; 6. punching a cutter rod; 7. a roller; 8. a first rotating base; 9. mounting a plate; 10. fixing the bolt; 11. a knife beating cylinder; 12. a first connection block; 13. a second connecting block; 14. a second rotating base; 15. a reset assembly; 1501. a first hook; 1502. a second hook; 1503. a return spring; 1504. hanging a ring; 16. a switch panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the utility model provides a drilling and tapping center spindle tapping device, which comprises a vertical column 1 and a tapping cylinder 11, wherein one side of the vertical column 1 is fixedly provided with a spindle box 2, the interior of the spindle box 2 is rotatably connected with a connecting column 4 through a connecting shaft 3, one side of the connecting column 4 is fixedly provided with a tapping knife rest 5, the other side of the connecting column 4 is fixedly provided with a tapping knife bar 6, the bottom of the tapping knife bar 6 is provided with a reset component 15, the tapping knife bar 6, the tapping knife rest 5 and the connecting column 4 can rotate and reset around the connecting shaft 3, the bottom end of the interior of the spindle box 2 is fixedly provided with a first rotating seat 8, the end of the tapping cylinder 11 is fixedly provided with a first connecting block 12, the first connecting block 12 is rotatably connected with the first rotating seat 8 through a rotating shaft, the piston rod of the tapping cylinder 11 is fixedly provided with a second connecting block 13, one end of the tapping knife bar 6 is fixedly provided with a second rotating seat 14, the second rotating seat 14 is rotatably connected with the second connecting block 13 through a rotating shaft, the unclamping rod 6, the unclamping frame 5 and the connecting column 4 can be turned around the connecting shaft 3 by the extension and retraction of the piston rod of the unclamping cylinder 11.

Preferably, the reset assembly 15 includes a first hook 1501, a second hook 1502 and a reset spring 1503, the first hook 1501 is fixedly arranged at the bottom end inside the spindle box 2, the second hook 1502 is fixedly arranged at the bottom end of the striking rod 6, two ends of the reset spring 1503 are both fixedly provided with hanging rings 1504, the two hanging rings 1504 are respectively hung with the first hook 1501 and the second hook 1502, when a piston rod of the striking cylinder 11 extends out to push against the striking rod 6, the striking rack 5 and the connecting column 4 to turn around the connecting shaft 3, the reset spring 1503 can be stretched, and when the piston rod of the striking cylinder 11 retracts, the striking rod 6, the striking rack 5 and the connecting column 4 can return to original positions under the reset action of gravity and the reset spring 1503 to recover to a normal state; two ends of the inner wall of the knife striking frame 5 are rotatably connected with rollers 7 through rotating shafts, and the rollers 7 are used for being in rolling contact with a knife loosening mechanism of the driving main shaft to reduce the friction force between the rollers and the knife loosening mechanism; the mounting plate 9 is fixedly arranged at the bottom end of the first rotating seat 8, and the mounting plate 9 is fixedly connected with the bottom end inside the spindle box 2 through four fixing bolts 10, so that the first rotating seat 8 can be conveniently mounted and dismounted; reinforcing ribs are fixedly arranged at the joint of the cutter holder 5 and the connecting column 4 and the joint of the cutter bar 6 and the connecting column 4, so that the connection stability between the cutter holder 5 and the connecting column 4 and between the cutter bar 6 and the connecting column 4 is improved; one side of headstock 2 is fixed and is equipped with flush mounting plate 16, and flush mounting plate 16's surface is equipped with the cylinder switch of forging a knife, and the cylinder 11 of forging a knife is through beating a knife cylinder switch and power electric connection, is convenient for control the work of the cylinder 11 of forging a knife through the cylinder switch of forging a knife that sets up.

When the drilling and tapping center spindle knife beating device is used specifically, when a spindle box 2 moves to the position of a tool changing point of a tool magazine, a knife beating cylinder 11 is controlled to work through a knife beating cylinder switch, a piston rod of the knife beating cylinder 11 extends out to push a knife beating rod 6, a knife beating frame 5 and a connecting column 4 to overturn around a connecting shaft 3, the knife beating frame 5 moves downwards at the moment, a roller 7 of the knife beating frame 5 presses a knife beating mechanism of the spindle to loosen a knife, the knife is exchanged when the knife is completed, the knife beating cylinder 11 is closed, the piston rod of the knife beating cylinder 11 retracts, and the knife beating rod 6, the knife beating frame 5 and the connecting column 4 return to the original positions under the action of gravity and a reset spring 1503 to restore the normal state.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drilling and tapping center spindle unclamping device, includes stand (1) and unclamping cylinder (11), its characterized in that, one side of stand (1) is fixed and is equipped with headstock (2), the inside of headstock (2) is rotated through connecting axle (3) and is connected with spliced pole (4), one side of spliced pole (4) is fixed and is equipped with unclamping frame (5), the opposite side of spliced pole (4) is fixed and is equipped with unclamping pole (6), the bottom of unclamping pole (6) is equipped with reset assembly (15), the bottom mounting of headstock (2) inside is equipped with first rotating seat (8), the end fixing of unclamping cylinder (11) is equipped with first connecting block (12), first connecting block (12) are connected with first rotating seat (8) through the pivot, the piston rod fixing of unclamping cylinder (11) is equipped with second connecting block (13), one end of the screwdriver rod (6) is fixedly provided with a second rotating seat (14), and the second rotating seat (14) is rotatably connected with a second connecting block (13) through a rotating shaft.

2. The drilling and tapping center spindle striking device according to claim 1, wherein: the reset assembly (15) comprises a first hook (1501), a second hook (1502) and a reset spring (1503), wherein the first hook (1501) is fixedly arranged at the bottom end inside the spindle box (2), the second hook (1502) is fixedly arranged at the bottom end of the screwdriver rod (6), hanging rings (1504) are fixedly arranged at two ends of the reset spring (1503), and the two hanging rings (1504) are respectively hooked with the first hook (1501) and the second hook (1502).

3. The drilling and tapping center spindle striking device according to claim 1, wherein: and the two ends of the inner wall of the knife striking frame (5) are rotatably connected with rollers (7) through rotating shafts.

4. The drilling and tapping center spindle striking device according to claim 1, wherein: the bottom mounting of first rotation seat (8) is equipped with mounting panel (9), mounting panel (9) are through four fixing bolt (10) and the inside bottom fixed connection of headstock (2).

5. The drilling and tapping center spindle striking device according to claim 1, wherein: reinforcing ribs are fixedly arranged at the joint of the knife striking frame (5) and the connecting column (4) and the joint of the knife striking rod (6) and the connecting column (4).

6. The drilling and tapping center spindle striking device according to claim 1, wherein: one side of the spindle box (2) is fixedly provided with a switch panel (16), the surface of the switch panel (16) is provided with a knife striking cylinder switch, and the knife striking cylinder (11) is electrically connected with a power supply through the knife striking cylinder switch.