CN219310097U - Motorized spindle convenient for disassembling chuck - Google Patents

Abstract

The utility model provides an electric spindle with a chuck convenient to detach, which comprises a shell, an end cover, an air guide ring, a bearing, a spindle core, a chuck limiting block, a pressing block, a screw, a cutter chuck, a belleville spring, an air cylinder and a push rod, wherein the air guide ring is arranged on the shell; the middle part of the tool chuck is provided with a tool mounting hole, the tool chuck is provided with a group of blind holes, ejector rods and reset springs, the blind holes are correspondingly arranged on the conical table, the outer side ports of the blind holes are provided with first threads, the lower ends of the ejector rods are correspondingly arranged on the inner sides of the blind holes, the lower ends of the ejector rods are provided with second threads matched with the first threads, the outer ends of the ejector rods penetrate through the blind holes and are in propping contact with the conical holes, the reset springs are arranged at the bottoms of the blind holes and correspondingly arranged on the inner sides of the ejector rods, and the two ends of the reset springs are respectively propped against the bottoms of the blind holes and the lower ends of the ejector rods.

Description

Motorized spindle convenient for disassembling chuck

Technical Field

The utility model relates to the field of motorized spindle structures, in particular to an motorized spindle with a chuck convenient to detach.

Background

At present, with the continuous development and the gradual perfection of electric spindle technology, electric spindle is selected by more and more industries, chuck on the electric spindle can fix the machining tool, make the cutter in the machining process, along with the high-speed rotation of the axle core in the electric spindle and not drop, after long-term use, the chuck probably wears out or damages, when needing to change, generally, the cylinder on the electric spindle drives the push rod to push out the chuck outwards, after taking out the cutter in the chuck, the chuck needs to be rotated, the screw thread at the tail end of the chuck is separated from the axle core, thereby take out the chuck, however, hand-held rotation chuck, the hand is easily scratched by sharp places on the chuck, in addition, the chuck is small in volume, the power of rotation is difficult to apply, the scheme of setting blind holes on the chuck is also available on the market, rod-shaped tool can be inserted in the blind holes, the chuck is convenient to rotate, however, the additional rod-shaped tool needs to be equipped during the dismantlement process of the chuck also makes the dismantlement process inconvenient, therefore, the electric spindle convenient for dismantlement of the chuck needs to be made, in order to take out the above-mentioned problem.

Disclosure of Invention

The utility model aims to provide an electric spindle with a chuck convenient to detach, so as to solve the problems in the background art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the electric spindle comprises a shell, an end cover, an air guide ring, a bearing, a shaft core, a chuck limiting block, a pressing block, a screw rod, a cutter chuck, a belleville spring, an air cylinder and a push rod, wherein an installation cavity is arranged in the shell;

the middle part of the tool chuck is provided with a tool mounting hole, the tool chuck is provided with a group of blind holes, ejector rods and reset springs, the blind holes are correspondingly arranged on the conical table, the outer side ports of the blind holes are provided with first threads, the lower ends of the ejector rods are correspondingly arranged on the inner sides of the blind holes, the lower ends of the ejector rods are provided with second threads matched with the first threads, the outer ends of the ejector rods penetrate through the blind holes and are in propping contact with the conical holes, the reset springs are arranged at the bottoms of the blind holes and correspondingly arranged on the inner sides of the ejector rods, and the two ends of the reset springs are respectively propped against the bottoms of the blind holes and the lower ends of the ejector rods.

Further description of the utility model: two sides of the cutter chuck are respectively provided with a group of blind holes, an ejector rod and a reset spring.

Further description of the utility model: the outer side end surface of the ejector rod is an arc-shaped surface.

The beneficial effects of the utility model are as follows: through set up blind hole, ejector pin and reset spring on the cutter chuck, when needing to change the cutter chuck, cylinder drive push rod promotes the briquetting left, belleville spring is compressed, the cutter chuck also moves left simultaneously, after the cutter chuck left end is outstanding in chuck stopper certain distance, the ejector pin no longer pushes up the toper platform, then outwards pop out under reset spring's effect, the right-hand member of ejector pin pushes up with the left end of chuck stopper and touches, operating personnel can rotate the cutter chuck through the ejector pin easily, make the cutter chuck break away from the screw rod, when needing to withdraw the cutter chuck in the chuck stopper, only need inwards press the ejector pin, make the right-hand member of ejector pin not push up with the left end of chuck stopper touch, the cutter chuck can withdraw, this design can dismantle the cutter chuck fast, conveniently.

Drawings

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

FIG. 2 is an enlarged view of a portion of the position A of FIG. 1;

FIG. 3 is a schematic view of the structure of the tool holder of the present utility model in an ejected state;

reference numerals illustrate:

01. a housing; 02. an end cap; 03. an air guide ring; 04. a bearing; 05. a shaft core; 06. a chuck limiting block; 061. a tapered bore; 07. briquetting; 08. a screw; 09. a tool holder; 091. a conical table;

092. a cutter mounting hole; 093. a blind hole; 0931. a first thread; 094. a push rod; 0941. a second thread; 095. a return spring; 10. a belleville spring; 11. a cylinder; 12. a push rod.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 3, an electric spindle with a chuck convenient to detach comprises a housing 01, an end cover 02, an air guide ring 03, a bearing 04, a shaft core 05, a chuck limiting block 06, a pressing block 07, a screw 08, a cutter chuck 09, a disc spring 10, an air cylinder 11 and a push rod 12, wherein an installation cavity is arranged in the housing 01, the end cover 02 is fixed at the left end of the housing 01, the air guide ring 03 is fixed in the housing 01, an air duct communicated with the inner side and the outer side is arranged on the air guide ring 03, the bearing 04 is fixed in the air guide ring 03, the shaft core 05 is rotatably arranged in the bearing 04, the chuck limiting block 06 is fixed at the left end of the shaft core 05, the pressing block 07 is correspondingly arranged in the shaft core 05 and is correspondingly arranged at the right side of the chuck limiting block 06, the right end of the screw 08 is fixed on the pressing block 07, the left end of the chuck limiting block 06 is provided with a conical hole 061, the diameter of the conical hole 061 gradually increases along the left side, the left end of the cutter chuck 09 is provided with a conical table 091 matched with the conical hole 061, the periphery of the conical hole 061, the right end of the cutter chuck 09 is connected with the left end of the disc chuck 08, the right end of the disc chuck 09 is fixedly connected with the right end of the screw 10 at the right end of the cylinder 11, and is correspondingly arranged at the right end of the cylinder 11, and the right end of the power sleeve 11 is correspondingly arranged between the pressing block 11 and the cylinder end of the pressing block 11.

The shell 01 is provided with an air tap, air enters the installation cavity from the air tap and flows to the periphery of the shaft core 05 through an air passage on the air guide ring 03, the periphery of the shaft core 05 is provided with an air guide groove, the air pushes the air guide groove to enable the shaft core 05 to rotate in the bearing 04, meanwhile, the chuck limiting block 06, the pressing block 07, the screw 08, the cutter chuck 09 and the belleville spring 10 are driven to rotate, namely, the cutter installed on the cutter chuck 09 also rotates along with the rotation, so that the cutter can process a workpiece, when the cutter needs to be replaced, the pushing rod 12 is driven by the air cylinder 11 to push the pressing block 07 leftwards, so that the conical table 091 is separated from the conical hole 061, the groove is formed in the conical table 091 along the radial direction, and after the constraint of the conical table 061 is separated, the conical table 091 expands outwards, and the cutter can be taken out.

The middle part of cutter chuck 09 is equipped with cutter mounting hole 092, be equipped with a set of blind hole 093 on the cutter chuck 09, ejector pin 094 and reset spring 095, the blind hole 093 corresponds on conical table 091, the outside port department of blind hole 093 is equipped with first screw thread 0931, the ejector pin 094 lower extreme corresponds in the inboard of blind hole 093, the ejector pin 094 lower extreme is equipped with the second screw thread 0941 that matches with first screw thread 0931, the outer end of ejector pin 094 passes blind hole 093 and pushes up with conical hole 061 and touch, reset spring 095 sets up in the bottom of blind hole 093 and corresponds in the inboard of ejector pin 094, reset spring 095's both ends respectively with the blind hole 093 bottom, ejector pin 094's lower extreme pushes up and touches.

Through setting up blind hole 093, ejector pin 094 and reset spring 095 on cutter chuck 09, when needs change cutter chuck 09, cylinder 11 drive push rod 12 promotes briquetting 07 left, belleville spring 10 is compressed, cutter chuck 09 also moves left simultaneously, after cutter chuck 09 left end outstanding in chuck stopper 06 a certain distance, then under reset spring 095's effect, ejector pin 094 outwards pops out, the right-hand member of ejector pin 094 pushes up with the left end of chuck stopper 06, the operating personnel can easily rotate cutter chuck 09 through ejector pin 094, make cutter chuck 09 break away from screw rod 08, when needs withdraw from in chuck stopper 06 with cutter chuck 09, only need inwards press ejector pin 094, make the right-hand member of ejector pin 094 not push up with the left end of chuck stopper 06, cutter chuck 09 can, this design can be fast, conveniently dismantle cutter chuck 09, when installing ejector pin 094, through the cooperation of first screw thread 0931 and second screw thread 0941, can be with the inboard from the blind hole 093 outside the installation to the left end of chuck stopper 093, can be broken away from 094 at the inside end 0931 at the second screw thread 0941, when the inside of blind hole 094 is pushed up from the inside 093, can be broken away from 0941 at the inside of blind hole 094 at the end of the end 093.

The two sides of the tool chuck 09 are respectively provided with a group of blind holes 093, ejector rods 094 and a return spring 095, so that an operator can rotate the two groups of ejector rods 094 simultaneously, the tool chuck 09 is more labor-saving, and it is worth noting that more than two groups of blind holes 093, ejector rods 094 and return springs 095 are not suitable for being arranged, when more than two groups of blind holes 093, ejector rods 094 and return springs 095 are arranged, when the tool chuck 09 needs to be retracted into the chuck limiting block 06, the operator cannot conveniently press the multiple groups of ejector rods 094 back into the blind holes 093 simultaneously.

The outer side end surface of the ejector rod 094 is an arc surface, so that the ejector rod 094 can smoothly slide along the conical hole 061, jamming is avoided, and meanwhile, an operator can be prevented from being cut by the end part of the ejector rod 094 when the ejector rod 094 is rotated.

The above description should not be taken as limiting the scope of the utility model, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.

Claims (3)

1. An electric spindle convenient to dismantle chuck, its characterized in that: the device comprises a shell, an end cover, an air guide ring, a bearing, a shaft core, a chuck limiting block, a pressing block, a screw rod, a cutter chuck, a disc spring, an air cylinder and a push rod, wherein an installation cavity is arranged in the shell, the end cover is fixed at the left end of the shell, the air guide ring is fixed in the shell, an air duct which is communicated with the inner side and the outer side is arranged on the air guide ring, the bearing is fixed in the air guide ring, the shaft core is rotatably arranged in the bearing, the chuck limiting block is fixed at the left end of the shaft core, the pressing block corresponds to the shaft core and corresponds to the right side of the chuck limiting block, the right end of the screw rod is fixed at the pressing block, the left end of the chuck limiting block is provided with a conical hole, the diameter of the conical hole is gradually increased along the left side, the left end of the cutter chuck is provided with a conical table which is matched with the conical hole, the periphery of the conical table is in top contact with the conical hole, the right end of the cutter chuck is in threaded connection with the left end of the screw rod, the disc spring is sleeved at the periphery of the right end of the cutter chuck, the disc limiting block corresponds to the right end of the disc limiting block, the right end of the disc limiting block is fixed at the right end of the air cylinder, and corresponds to the right end of the pressing block is fixed at the right end of the pressing block;

the middle part of the cutter chuck is provided with a cutter mounting hole, the cutter chuck is provided with a group of blind holes, ejector rods and reset springs, the blind holes are correspondingly arranged on the conical table, first threads are arranged at the outer side ports of the blind holes, the lower ends of the ejector rods are correspondingly arranged on the inner sides of the blind holes, the lower ends of the ejector rods are provided with second threads matched with the first threads, the outer ends of the ejector rods penetrate through the blind holes and are in propping contact with the conical holes, the reset springs are arranged at the bottoms of the blind holes and correspond to the inner sides of the ejector rods, and the two ends of the reset springs are respectively propped against the bottoms of the blind holes and the lower ends of the ejector rods.

2. An electric spindle for facilitating the disassembly of a chuck as set forth in claim 1, wherein: and two sides of the cutter chuck are respectively provided with a group of blind holes, the ejector rod and the reset spring.

3. An electric spindle for facilitating the disassembly of a chuck as set forth in claim 1, wherein: the outer side end surface of the ejector rod is an arc-shaped surface.

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