Main shaft capable of rapidly changing tool

Abstract

The utility model discloses a main shaft capable of quickly changing a tool. The problem that the tool changing efficiency is low is effectively solved. Comprising a fixing plate, a shaft sleeve is arranged on the fixing plate, a pulling claw is arranged in the shaft sleeve, a cutter is fixed in the pulling claw, a limiting sleeve sleeves the outer side of the pulling claw, the pulling claw stretches and retracts in the limiting sleeve so that the pulling claw can be opened and closed, the upper end of the limiting sleeve stretches into a cover body, a motor is connected to the cover body, and an output shaft of the motor is in transmission connection with the limiting sleeve. The outer side of the limiting sleeve is sleeved with a control ring located above the shaft sleeve, an operation ring is rotationally arranged on the outer side of the control ring, a lantern ring is arranged on the inner side of the control ring, a long inclined groove is formed in the control ring, an annular groove is formed in the outer side of the lantern ring, a steel ball is arranged in the annular groove, a vertical groove is formed in the operation ring, and the steel ball penetrates through the long inclined groove to enter the vertical groove. The rotating operation ring drives the lantern ring to vertically ascend and descend, so that the pull claw stretches out and draws back in the limiting sleeve. The cutter fixing device is simple and ingenious in structure and convenient to use, the cutter can be quickly fixed by operating the control rod, so that the cutter changing time is shortened, and the engraving efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of engraving machine, in particular to a main shaft of quick tool changing. BACKGROUND

[0002] The engraving machine needs to use different tools to engrave different products, so tool changing is often needed, and the existing main shaft fixes the tool by using a claw and a limiting sleeve, the claw clamps the tool by fastening the limiting sleeve, and the main shaft and the tool rotate synchronously.

[0003] However, the fixing method is slow when disassembling and assembling the tool, which affects quick tool changing and further affects the engraving progress. INVENTION CONTENTS

[0004] To overcome the defects of the prior art, the utility model provides a main shaft of quick tool changing, which effectively solves the problem of low tool changing efficiency.

[0005] The technical scheme for solving the technical problem is as follows: a main shaft of quick tool changing, comprising a fixed plate, a shaft sleeve is arranged on the fixed plate, a claw is arranged in the shaft sleeve, a tool is fixed in the claw, a limiting sleeve is arranged outside the claw, the claw is telescopic in the limiting sleeve to realize opening and closing, the upper end of the limiting sleeve extends into a cover body, a motor is connected to the cover body, the output shaft of the motor is connected to the limiting sleeve, a control ring is arranged outside the limiting sleeve above the shaft sleeve, an operating ring is rotatably arranged outside the control ring, a sleeve ring is arranged inside the control ring, a long inclined slot is arranged in the control ring, a ring groove is arranged outside the sleeve ring, a steel ball is arranged in the ring groove, a vertical slot is arranged in the operating ring, the steel ball passes through the long inclined slot and enters the vertical slot, and the operating ring is driven to vertically lift the sleeve ring to make the claw telescopic in the limiting sleeve.

[0006] Preferably, the lower end of the shaft sleeve is provided with a sealing plate, the limiting sleeve is provided with a connecting ring outside, a long circular hole is arranged in the limiting sleeve, a connecting block is arranged inside the limiting sleeve and is threadedly connected with the claw, and a pin shaft is arranged on the connecting block and passes through the long circular hole and is connected with the connecting ring.

[0007] Preferably, a first spring is arranged between the connecting ring and the sealing plate.

[0008] Preferably, the lower end of the claw is in a reverse conical structure, and the inner side of the lower end of the limiting sleeve is consistent with the shape of the claw.

[0009] Preferably, the control ring is connected with the shaft sleeve and the cover body, and a second spring is arranged inside the control ring and abuts against the control ring and the sleeve ring.

[0010] Preferably, a control rod is connected to the outside of the operating ring.

[0011] The utility model discloses simple and ingenious structure, convenient to use, through the operation control rod fast completion to the fixed tool of utensil, thereby shorten the time of changing tool, improve the engraving efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic diagram of a kind of main shaft of quick tool changing of the utility model.

[0013] Figure 2 It is the front structure sectional view schematic diagram of a kind of main shaft of quick tool changing of the utility model.

[0014] Figure 3 It is a kind of main shaft of quick tool changing of the utility model Figure 2 Sectional view structure schematic diagram in A-A.

[0015] Figure 4 It is a kind of main shaft of quick tool changing of the utility model Figure 2 Sectional view structure schematic diagram in B-B.

[0016] Figure 5 It is the structure schematic diagram of control ring in a kind of main shaft of quick tool changing of the utility model.

[0017] Figure 6 It is the structure schematic diagram of sleeve ring in a kind of main shaft of quick tool changing of the utility model. DETAILED DESCRIPTION

[0018] The specific embodiment of the utility model is further explained in detail in combination with the drawings.

[0019] By Figures 1 to 6 It can be known that a kind of main shaft of quick tool changing, including fixed plate 1, fixed plate 1 is equipped with shaft sleeve 2, puller claw 3 is arranged in shaft sleeve 2, tool is fixed in puller claw 3, limit sleeve 4 is set on the outside of puller claw 3, puller claw 3 telescopic in limit sleeve 4 makes puller claw 3 realize opening and closing, limit sleeve 4 upper end extends into cover body 5, cover body 5 is connected with motor 6, the output shaft of motor 6 is connected limit sleeve 4, limit sleeve 4 outside is set with the control ring 7 located above shaft sleeve 2, the operation ring 8 of puller claw 3 outside rotation is set, control ring 7 is equipped with sleeve ring 9 in the inside, long inclined slot 10 is set in control ring 7, ring groove 11 is set in the outside of sleeve ring 9, steel ball 12 is set in ring groove 11, vertical slot 13 is set in the operation ring 8, steel ball 12 passes through long inclined slot 10 and enters vertical slot 13, constitute rotation operation ring 8 drive sleeve ring 9 vertical lifting so that puller claw 3 telescopic in limit sleeve 4.

[0020] The utility model discloses simple and ingenious structure, convenient to use, through the operation control rod fast completion to the fixed tool of utensil, thereby shorten the time of changing tool, improve the engraving efficiency.

[0021] The operation control rod 21 is operated, the operation ring 8 is rotated, the vertical groove 13 in the operation ring 8 pushes the steel ball 12 to move in the long chute 10, so that the sleeve ring 9 is lowered in the control ring 7, the sleeve ring 9 is lowered and the pull claw 3 is lowered in the limiting sleeve 4, the pull claw 3 is opened at the lower end, so that the cutter can be replaced, after the cutter is replaced, the control rod 21 is reversely rotated, the pull claw 3 is lifted, the limiting sleeve 4 is locked to the pull claw 3, the cutter is stably fixed in the pull claw 3, the motor 6 is started, the limiting sleeve 4 is rotated, so that the cutter is rotated, and the engraving is completed.

[0022] In the device, the lower end of the shaft sleeve 2 is provided with a sealing plate 14, the outer side of the limiting sleeve 4 is provided with a connecting ring 15, the limiting sleeve 4 is provided with a long circular hole 16, the inside of the limiting sleeve 4 is provided with a connecting block 17 which is threadedly connected with the pull claw 3, the connecting block 17 is provided with a pin shaft 18 which passes through the long circular hole 16 and is connected with the connecting ring 15, and the first spring 19 is arranged between the connecting ring 15 and the sealing plate 14.

[0023] After the sleeve ring 9 is lifted, the first spring 19 pushes the connecting ring 15 upwards, the connecting block 17 is lifted through the pin shaft 18, that is, the pull claw 3 is lifted in the limiting sleeve 4, and the cutter is fixed.

[0024] The first spring 19 is selected to be a spring with large elastic force, the pull claw 3 can be lifted and the limiting sleeve 4 is locked to the cutter, so that the cutter is prevented from being loose during engraving, and the machining is ensured to be completed smoothly.

[0025] The long circular hole 16 is arranged, so that the connecting ring 15 and the connecting block 17 can be vertically moved on the limiting sleeve 4 and are limited, and the opening and closing of the pull claw 3 are smoothly completed.

[0026] The lower end of the pull claw 3 is in a reverse conical structure, the inner side of the lower end of the limiting sleeve 4 is matched with the shape of the pull claw 3, the pull claw 3 is lifted and lowered in the limiting sleeve 4, the opening and closing of the pull claw 3 are realized, and the cutter replacement and the fixing of the cutter are quickly completed.

[0027] The control ring 7 is connected with the limiting shaft sleeve 2 and the cover body 5, the second spring 20 which abuts against the control ring 7 and the sleeve ring 9 is arranged in the control ring 7, the second spring 20 plays an auxiliary role when the sleeve ring 9 is lowered, the smooth lowering of the sleeve ring 9 is ensured, the pull claw 3 is lowered in the limiting sleeve 4, the pull claw 3 is opened, and the cutter replacement is realized.

[0028] Compared with the prior art, the utility model has the following beneficial effects: the spindle cutter is quickly disassembled and assembled through the rotation of the control rod, the cutter is stable during engraving, the cutter replacement time is shortened, and the engraving efficiency is improved.

Claims

1. A spindle capable of rapid tool changing, characterized in that, Includes a fixed plate (1), a bushing (2) on the fixed plate (1), a pull claw (3) inside the bushing (2), a cutter fixed inside the pull claw (3), a limiting sleeve (4) on the outside of the pull claw (3), the pull claw (3) extends and retracts inside the limiting sleeve (4) to open and close the pull claw (3), the upper end of the limiting sleeve (4) extends into the cover (5), a motor (6) is connected to the cover (5), the output shaft of the motor (6) is connected to the limiting sleeve (4), and a control ring (7) located above the bushing (2) is fitted on the outside of the limiting sleeve (4). The control ring (7) is rotatably provided with an operating ring (8) on the outside and a collar (9) on the inside. The control ring (7) is provided with an inclined long groove (10) and a ring groove (11) on the outside. A steel ball (12) is provided in the ring groove (11). A vertical groove (13) is provided on the operating ring (8). The steel ball (12) passes through the long groove (10) and enters the vertical groove (13), thus rotating the operating ring (8) to drive the collar (9) to rise and fall vertically, causing the pull claw (3) to extend and retract within the limiting sleeve (4).

2. A spindle capable of rapid tool changing according to claim 1, characterized in that, The bushing (2) is provided with a sealing plate (14) at the lower end, and a connecting ring (15) is provided on the outer side of the limiting sleeve (4). An elongated hole (16) is provided on the limiting sleeve (4). A connecting block (17) is provided inside the limiting sleeve (4) and is threadedly connected to the pull claw (3). A pin (18) is provided on the connecting block (17) with its end passing through the elongated hole (16) and connected to the connecting ring (15).

3. A spindle capable of rapid tool changing according to claim 2, characterized in that, A first spring (19) is provided between the connecting ring (15) and the sealing plate (14).

4. A spindle capable of rapid tool changing according to claim 1, characterized in that, The lower outer side of the pull claw (3) is an inverted cone shape, and the lower inner side of the limiting sleeve (4) matches the shape of the pull claw (3).

5. A spindle capable of rapid tool changing according to claim 1, characterized in that, The control ring (7) connects the limiting shaft sleeve (2) and the cover (5). The control ring (7) is provided with a second spring (20) that abuts against the control ring (7) and the collar (9).

6. A spindle capable of rapid tool changing according to claim 1, characterized in that, A control lever (21) is connected to the outside of the operating ring (8).

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