CN213319035U

CN213319035U - Positioning and locking device for milling machine spindle

Info

Publication number: CN213319035U
Application number: CN202021538930.XU
Authority: CN
Inventors: 齐建保
Original assignee: Qingdao Baohang Machinery Co ltd
Current assignee: Qingdao Baohang Machinery Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-06-01
Anticipated expiration: 2030-07-30

Abstract

The utility model provides a mill location locking device of car main shaft. The positioning and locking device of the milling machine spindle comprises a fixed box; the limiting box is fixedly arranged at the top of the fixed box, and the bottom of the limiting box is an opening; the main shaft body is rotatably arranged on the inner walls of the two sides of the fixed box; the rotary table is arranged in the fixed box and fixedly arranged on the main shaft body; the limiting holes are formed in the outer wall of the rotary disc; the fixing plates are fixedly arranged on the inner walls of the two sides of the limiting box; two slide bars, two the slide bar is all fixed mounting in the bottom of fixed plate, the bottom of two slide bars all with the top fixed connection of fixed case. The utility model provides a mill positioning and locking device of car main shaft has the simple operation, can lock the advantage of milling the car main shaft fast.

Description

Positioning and locking device for milling machine spindle

Technical Field

The utility model relates to a mill the zero technical field of car, especially relate to a mill location locking device of car main shaft.

Background

The milling machine mainly refers to a machine tool for processing various surfaces of a workpiece by using a milling cutter. Typically the milling cutter is moved primarily in a rotary motion and the movement of the workpiece and the milling cutter is a feed motion. It can be used for processing plane, groove, various curved surfaces and gears.

The milling machine is a machine tool for milling a workpiece by using a milling cutter. The milling machine can mill planes, grooves, gear teeth, threads and spline shafts, can also process complex molded surfaces, has higher efficiency than a planer, and is widely applied to mechanical manufacturing and repairing departments.

The milling machine in the prior art mainly drives a milling machine spindle to rotate by the aid of power supplied by a motor, so that a milling cutter is driven to rotate to perform operation, after machining operation is completed, the motor is turned off, the milling machine spindle stops rotating for a period of time under the action of inertia, the spindle continuously rotates for a period of time and rubs with other transmission parts, and the other parts stop operating at the moment, so that the parts are damaged due to passive inertia friction, accuracy of milling machine operation is affected, and service life of the machine is shortened.

Therefore, a new positioning and locking device for a milling machine spindle is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a location locking device of milling machine main shaft with simple operation, can lock fast and mill the car main shaft.

For solving the technical problem, the utility model provides a positioning and locking device of milling lathe main shaft includes: a fixed box; the limiting box is fixedly arranged at the top of the fixed box, and the bottom of the limiting box is an opening; the main shaft body is rotatably arranged on the inner walls of the two sides of the fixed box; the rotary table is arranged in the fixed box and fixedly arranged on the main shaft body; the limiting holes are formed in the outer wall of the rotary disc; the fixing plates are fixedly arranged on the inner walls of the two sides of the limiting box; the two sliding rods are fixedly arranged at the bottom of the fixed plate, and the bottom ends of the two sliding rods are fixedly connected with the top of the fixed box; the sliding plates are slidably mounted on the two sliding rods; the two springs are sleeved on the corresponding sliding rods, the top ends of the two springs are fixedly connected with the bottom of the fixed plate, and the bottom ends of the two springs are fixedly connected with the top of the sliding plate; the limiting blocks are fixedly arranged at the bottoms of the sliding plates, and the bottom ends of the limiting blocks extend into the corresponding limiting holes; the unlocking mechanism is arranged at the top of the sliding plate.

Preferably, release mechanism includes pull rod, solid fixed cylinder, two contact blocks, sleeve and two limit slide, pull rod slidable mounting be in the top of fixed plate, the top of pull rod extends to the top of injecing the case, the bottom of pull rod with the top of slide is rotated and is connected, gu fixed cylinder fixed mounting be in the top of fixed plate, two the equal fixed mounting of contact block is supported on the pull rod, two the contact block all with the inner wall sliding connection of solid fixed cylinder, the sleeve rotates to be installed on the pull rod, two the equal fixed mounting of limit slide is in on the telescopic outer wall, two limit slide all with the inner wall sliding connection of solid fixed cylinder.

Preferably, a handle block is fixedly mounted at the top end of the pull rod.

Preferably, the upper fixing sleeve of the pull rod is provided with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the sleeve.

Preferably, two slides, two are seted up to the symmetry on the inner wall of fixed section of thick bamboo the top of slide is the opening, two the contact block all with corresponding slide inner wall sliding connection.

Preferably, two all seted up spacing spout on the inner wall of slide, two spacing slider all with corresponding the inner wall sliding connection of spacing spout.

Compared with the prior art, the utility model provides a positioning and locking device of milling machine main shaft has following beneficial effect:

the utility model provides a location locking device of milling machine main shaft controls whether the stopper is to injecing of carousel through simple structure to control main shaft body in time stall after the milling machine stops the function, prevent that main shaft body and other spare parts that have stopped the function from producing the friction, cause the spare part harm, not only guaranteed main shaft body pivoted precision, prolonged the life of milling machine moreover.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a positioning and locking device of a milling machine spindle according to the present invention;

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

FIG. 3 is a top cross-sectional view of the stationary barrel of FIG. 1;

fig. 4 is an enlarged view of the portion B shown in fig. 3.

Reference numbers in the figures: 1. a fixed box; 2. defining a box; 3. a main shaft body; 4. a turntable; 5. a limiting hole; 6. a fixing plate; 7. a slide bar; 8. a slide plate; 9. a spring; 10. a limiting block; 11. a pull rod; 12. a fixed cylinder; 13. a contact block; 14. a sleeve; 15. and a limiting sliding block.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1-4, wherein fig. 1 is a schematic structural diagram of a positioning and locking device for a milling spindle according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is a top cross-sectional view of the stationary barrel of FIG. 1; fig. 4 is an enlarged view of the portion B shown in fig. 3. The positioning and locking device of the milling machine spindle comprises: a stationary box 1; a limiting box 2, wherein the limiting box 2 is fixedly arranged at the top of the fixed box 1, and the bottom of the limiting box 2 is open; the main shaft body 3 is rotatably arranged on the inner walls of the two sides of the fixed box 1; the rotary table 4 is arranged in the fixed box 1, and the rotary table 4 is fixedly arranged on the main shaft body 3; the limiting holes 5 are formed in the outer wall of the rotary table 4; the fixed plates 6 are fixedly arranged on the inner walls of the two sides of the limiting box 2; the two sliding rods 7 are fixedly arranged at the bottom of the fixed plate 6, and the bottom ends of the two sliding rods 7 are fixedly connected with the top of the fixed box 1; the sliding plates 8 are slidably arranged on the two sliding rods 7; the two springs 9 are sleeved on the corresponding sliding rods 7, the top ends of the two springs 9 are fixedly connected with the bottom of the fixed plate 6, and the bottom ends of the two springs 9 are fixedly connected with the top of the sliding plate 8; the limiting blocks 10 are fixedly mounted at the bottoms of the sliding plates 8, and the bottom ends of the limiting blocks 10 extend into the corresponding limiting holes 5; and the unlocking mechanism is arranged at the top of the sliding plate 8.

Unlocking mechanism includes pull rod 11, a fixed section of thick bamboo 12, two contact blocks 13, sleeve 14 and two stop block 15, pull rod 11 slidable mounting be in the top of fixed plate 6, the top of pull rod 11 extends to inject the top of case 2, the bottom of pull rod 11 with slide 8's top is rotated and is connected, a fixed section of thick bamboo 12 fixed mounting be in the top of fixed plate 6, two the equal fixed mounting of contact block 13 is in on the pull rod 11, two the contact block 13 all with the inner wall sliding connection of a fixed section of thick bamboo 12, sleeve 14 rotates to be installed on pull rod 11, two the equal fixed mounting of stop block 15 is in on the outer wall of sleeve 14, two stop block 15 all with the inner wall sliding connection of a fixed section of thick bamboo 12.

A portable block is fixedly arranged at the top end of the pull rod 11.

The upper fixing sleeve of the pull rod 11 is provided with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the sleeve 14.

Two slides, two are seted up to the symmetry on the inner wall of fixed section of thick bamboo 12 the top of slide is the opening, two the conflict piece 13 all with corresponding slide inner wall sliding connection.

Two all seted up spacing spout on the inner wall of slide, two spacing slider 15 all with corresponding the inner wall sliding connection of spacing spout.

The utility model provides a milling machine main shaft's location locking device's theory of operation as follows:

when the milling machine needs to be used, the hand-held block is pulled by hand, the hand-held block moves upwards to drive the pull rod 11 to move upwards, when the pull rod 11 moves upwards, the two abutting blocks 13, the sleeve 14 and the sliding plate 8 are driven to ascend, the sleeve 14 ascends to drive the two limiting slide blocks 15 to ascend, the sliding plate 8 ascends to gradually compress the two springs 9 and simultaneously drive the limiting blocks 10 to ascend, in the continuous ascending process of the pull rod 11, the limiting blocks 10 are gradually separated from the corresponding limiting holes 5, when the two limiting slide blocks 15 ascend to the topmost end and abut against the top end of the limiting slide way, the pull rod 11 cannot ascend at the moment, the two abutting blocks 13 are moved out of the corresponding slide ways and are positioned above the fixed cylinder 12, then the hand-held block is rotated to drive the two abutting blocks 13 to rotate, the hand is released after rotating for a certain angle, under the reset transmission of the two springs 9, at this moment, the two contact blocks 13 abut against the top of the fixed cylinder 12 in the downward movement process, so that the sliding plate 8 cannot drive the limiting block 10 to continue to move downward, the limiting block 10 loses the limiting effect on the rotary table 4, and the milling machine can be operated to start normal work at this moment.

When the work is finished, after the milling machine is closed, the handle is rotated, when the positions of the two contact blocks 13 are opposite to the corresponding slide ways in the rotating process of the pull rod 11, the two contact blocks 13 enter the corresponding slide ways again under the action of the two springs 9, the two springs 9 drive the sliding plate 8 and the limiting block 10 to continuously move downwards at the moment, the bottom end of the limiting block 10 is made to be in contact with the outer wall of the turntable 4, the main shaft body 3 rotates to drive the turntable 4 to rotate, when the limiting block 10 is opposite to the corresponding limiting hole 5, the limiting block 10 continues to descend and enters the corresponding limiting hole 5 under the action of the two springs 9, the limiting block 10 plays a limiting role on the turntable 4 again at the moment, and finally the main shaft body 3 stops rotating.

the utility model provides a location locking device of milling lathe main shaft controls stopper 10 through simple structure and to the injecing of carousel 4 whether to control main shaft body 3 in time stall after the milling machine stops the function, prevent that main shaft body 3 from producing the friction with other spare part that have stopped the function, cause the spare part harm, not only guaranteed 3 pivoted precision of main shaft body, prolonged the life of milling the car moreover.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a location locking device of milling lathe main shaft which characterized in that includes:

a fixed box;

the limiting box is fixedly arranged at the top of the fixed box, and the bottom of the limiting box is an opening;

the main shaft body is rotatably arranged on the inner walls of the two sides of the fixed box;

the rotary table is arranged in the fixed box and fixedly arranged on the main shaft body;

the limiting holes are formed in the outer wall of the rotary disc;

the fixing plates are fixedly arranged on the inner walls of the two sides of the limiting box;

the two sliding rods are fixedly arranged at the bottom of the fixed plate, and the bottom ends of the two sliding rods are fixedly connected with the top of the fixed box;

the sliding plates are slidably mounted on the two sliding rods;

the two springs are sleeved on the corresponding sliding rods, the top ends of the two springs are fixedly connected with the bottom of the fixed plate, and the bottom ends of the two springs are fixedly connected with the top of the sliding plate;

the limiting blocks are fixedly arranged at the bottoms of the sliding plates, and the bottom ends of the limiting blocks extend into the corresponding limiting holes;

the unlocking mechanism is arranged at the top of the sliding plate.

2. The positioning and locking device of the milling machine spindle according to claim 1, wherein the unlocking mechanism comprises a pull rod, a fixed cylinder, two abutting blocks, a sleeve and two limiting sliders, the pull rod is slidably mounted on the top of the fixed plate, the top end of the pull rod extends to the upper side of the limiting box, the bottom end of the pull rod is rotatably connected with the top of the sliding plate, the fixed cylinder is fixedly mounted on the top of the fixed plate, the two abutting blocks are fixedly mounted on the pull rod, the two abutting blocks are slidably connected with the inner wall of the fixed cylinder, the sleeve is rotatably mounted on the pull rod, the two limiting sliders are fixedly mounted on the outer wall of the sleeve, and the two limiting sliders are slidably connected with the inner wall of the fixed cylinder.

3. The positioning and locking device for the milling machine spindle according to claim 2, wherein a handle block is fixedly mounted at the top end of the pull rod.

4. The positioning and locking device for the milling machine spindle according to claim 2, wherein the upper fixing sleeve of the pull rod is provided with a bearing, and an outer ring of the bearing is fixedly connected with an inner wall of the sleeve.

5. The positioning and locking device of the milling machine spindle according to claim 2, wherein two slide ways are symmetrically formed in the inner wall of the fixed cylinder, the top ends of the two slide ways are provided with openings, and the two contact blocks are both in sliding connection with the corresponding inner walls of the slide ways.

6. The positioning and locking device of the milling machine spindle according to claim 5, wherein the inner walls of the two slide ways are respectively provided with a limiting sliding groove, and the two limiting sliding blocks are respectively connected with the inner walls of the corresponding limiting sliding grooves in a sliding manner.