CN210938133U

CN210938133U - Machine tool hand wheel tightening device

Info

Publication number: CN210938133U
Application number: CN201921295560.9U
Authority: CN
Inventors: 潘阳
Original assignee: Nantong Sunway Science And Technology Development Co ltd
Current assignee: Nantong Sunway Science And Technology Development Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-07-07
Anticipated expiration: 2029-08-12

Abstract

The utility model relates to a rotary worktable braking technical field, and a tight device of lathe hand wheel brake is disclosed, including adjustable handle, the one end swing joint of adjustable handle has the handle to adjust the pole, the handle is adjusted the pole and is run through the bearing frame, the one end fixedly connected with that adjustable handle was kept away from to the handle regulation pole tight piece of stopping, the one end fixedly connected with locating wheel that the handle was adjusted the pole is kept away from to the tight piece of stopping, the inside of bearing frame is provided with the bearing, the external surface fixedly connected with fixed block of bearing, the lead screw runs through the external surface fixed connection of fixed block and bearing, the external surface fixed cover of lead screw has the connecting block, one side and connecting block fixed connection of bearing are kept away from to the fixed block, the lead screw runs through the hand wheel, the one end fixedly. Possess and utilize the hand wheel to stop advantages such as tight lathe, solved and stopped the strip and influence the problem of wholeness at the outside installation of platform.

Description

Machine tool hand wheel tightening device

Technical Field

The utility model relates to a rotary worktable braking technical field specifically is a tight device is stopped to machine tool hand wheel.

Background

The rotary worktable is one of main parts in a numerical control machine tool, the conventional rotary worktable adopts a servo motor to drive an anti-backlash gear box to be meshed with a gear ring arranged on the worktable, so that the worktable rotates, but when the motor stops rotating, the worktable is driven to continue rotating due to the inertia of the gear ring and the motor, so that firstly, potential safety hazards are brought, and operators are easily injured; secondly, the inertia rotation reduces the machine tool machining precision and increases the machining operation difficulty, so a tight braking device needs to be configured to stop the rotation of the rotary table and ensure good precision indexing, but the tight braking mode of the existing tight braking device of the rotary table is that a mechanical clamping mechanism is additionally arranged on the outer circle of a main shaft and a worm wheel shaft of the working table to directly brake the worm, the tight braking device not only has a complex structure and high manufacturing cost, but also influences the integrity of the external installation of the machine tool, and the tight braking operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a tight device is stopped to lathe hand wheel possesses and utilizes the hand wheel to stop advantages such as tight lathe, has solved and has stopped the strip and influence the problem of wholeness at the platform externally mounted.

(II) technical scheme

For the purpose that realizes above-mentioned tight device of stopping at board internally mounted hand wheel, the utility model provides a following technical scheme: a tight device of a machine tool hand wheel brake comprises an adjustable handle, one end of the adjustable handle is movably connected with a handle adjusting rod, the handle adjusting rod penetrates through a bearing seat, one end of the handle adjusting rod, far away from the adjustable handle, is fixedly connected with a brake block, one end of the brake block, far away from the handle adjusting rod, is fixedly connected with a positioning wheel, a bearing is arranged inside the bearing seat, the outer surface of the bearing is fixedly connected with a fixed block, a screw rod penetrates through the fixed block and is fixedly connected with the outer surface of the bearing, the outer surface of the screw rod is fixedly sleeved with a connecting block, one side of the fixed block, far away from the bearing, is fixedly connected with a hand wheel, the screw rod penetrates through the hand wheel, one end of the screw rod, far away from the bearing, is fixedly connected with a rotating, one end of the hand wheel far away from the bearing is fixedly connected with a positioning pin, and one end of the positioning pin far away from the hand wheel is fixedly connected with a positioning handle.

Preferably, the bottom end of the handle adjusting rod is a threaded rotating shaft, a threaded hole is formed in the bearing seat, and the handle adjusting rod and the bearing seat are movably connected through the threaded rotating shaft and the threaded hole.

Preferably, the top of the handle adjusting rod is provided with a fixing nut.

Preferably, the width of the brake block is smaller than the thickness of the bearing seat.

Preferably, the two sides of the connecting block are provided with clamping blocks.

Preferably, one side of the hand wheel close to the connecting block is provided with a clamping groove,and on both sides of the connecting blockThe clamping block is clamped with the clamping groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a tight device of machine tool hand wheel brake possesses following beneficial effect:

this tight device of lathe hand wheel brake through the tight manual brake of rotatory brake, makes the handle adjust the pole downstream to transmit for the locating wheel through the tight piece of stopping, locating wheel chucking bearing frame, thereby the rotation of control lead screw, convenient operation is swift, has solved and need install additional when the tight lathe of original brake and stop the strip or stop tight worm, influences the problem of lathe externally mounted's wholeness.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is a top view of the present invention;

fig. 4 is an enlarged view of the structure of fig. 2A of the present invention.

In the figure: 1-adjustable handle, 2-brake block, 3-positioning wheel, 4-positioning pin, 5-screw rod, 6-bearing, 7-hand wheel, 8-hand wheel rocking handle, 9-bearing seat, 10-limiting column, 11-fixing block, 12-handle adjusting rod, 13-limiting wheel, 14-rotating shaft sleeve, 15-positioning handle, 16-connecting block, 17-clamping block and 18-clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a machine tool hand wheel tightening device includes an adjustable handle 1, a handle adjusting rod 12 is movably connected to one end of the adjustable handle 1, the handle adjusting rod 12 penetrates through a bearing seat 9, a threaded rotating shaft is arranged at the bottom end of the handle adjusting rod 12, a threaded hole is formed in the bearing seat 9, and the handle adjusting rod 12 and the bearing seat 9 are movably connected to the threaded hole through the threaded rotating shaft. The top of the handle adjusting rod 12 is provided with a fixed nut. When the adjustable handle 1 is rotated clockwise, the handle adjusting rod 12 moves downwards due to the action of the threaded rotating shaft and the threaded hole, otherwise, the handle adjusting rod 12 moves upwards, and when the handle adjusting rod 12 reaches the designated height, the adjustable handle 1 is fixed by the fixing nut. The one end fixedly connected with of adjustable handle 1 is kept away from to handle regulation pole 12 blocks 2 of stopping, blocks 2 of stopping keep away from the one end fixedly connected with locating wheel 3 of handle regulation pole 12, and the width of blocks 2 of stopping is less than the thickness of bearing frame 9. When the handle adjusting rod 12 moves down, transmit for locating wheel 3 through tight piece 2 of stopping, 3 transmissions of rethread locating wheel give bearing frame 9, cause bearing frame 9 to be unable to remove, reach the tight effect of stopping, the inside of bearing frame 9 is provided with bearing 6, the external fixed surface of bearing 6 is connected with fixed block 11, lead screw 5 runs through the fixed block 11 and is connected with the external fixed surface of bearing 6, the fixed cover of surface of lead screw 5 has connect connecting block 16, the both sides of connecting block 16 all are provided with fixture block 17. A clamping groove 18 is arranged on one side of the hand wheel 7 close to the connecting block 16,and is On both sides of the connecting block 16 The latch 17 is latched with the latch groove 18. One side and connecting block 16 fixed connection that bearing 6 was kept away from to fixed block 11, one side fixedly connected with hand wheel 7 of fixed block 11 is kept away from to connecting block 16, lead screw 5 runs through hand wheel 7, the one end fixedly connected with pivot cover 14 of bearing 6 is kept away from to lead screw 5, the inside of hand wheel 7 is provided with spacing wheel 13, hand wheel rocking handle 8 runs through hand wheel 7, the one end and the spacing wheel 13 fixed connection of hand wheel rocking handle 8 are kept away from to hand wheel 7, when needing lead screw 5 rotatory, hold the hand wheel rocking handle with the hand and rotate, the effectual intensity of labour that has alleviateed. One end of the hand wheel 7 far away from the bearing 6 is fixedly connected with a positioning pin 4, one end of the positioning pin 4 far away from the hand wheel 7 is fixedly connected with a positioning handle 15, and the positioning handle is convenient to positionUse of the position pin 4.

When using, hold hand wheel rocking handle 8 with the hand and rotate, when needing 5 stall of lead screw, when fixed, the tight handle 1 of rotatory stopping, transmit for locating wheel 3 through the tight piece 2 of stopping, and the transmission is for bearing frame 9 for locating wheel 3 of rethread locating wheel, and when the tight handle 1 lock of stopping, bearing frame 9 can't rotate to the rotation of lead screw 5 has been controlled.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tight device of lathe hand wheel brake, includes adjustable handle (1), its characterized in that: one end of the adjustable handle (1) is movably connected with a handle adjusting rod (12), the handle adjusting rod (12) penetrates through a bearing seat (9), one end, far away from the adjustable handle (1), of the handle adjusting rod (12) is fixedly connected with a tightening block (2), one end, far away from the handle adjusting rod (12), of the tightening block (2) is fixedly connected with a positioning wheel (3), a bearing (6) is arranged inside the bearing seat (9), the outer surface of the bearing (6) is fixedly connected with a fixing block (11), a lead screw (5) penetrates through the fixing block (11) and is fixedly connected with the outer surface of the bearing (6), a connecting block (16) is sleeved on the outer surface of the lead screw (5), one side, far away from the bearing (6), of the fixing block (11) is fixedly connected with the connecting block (16), one side, far away from the fixing block (11), of the connecting, one end of the screw rod (5) far away from the bearing (6) is fixedly connected with a rotating shaft sleeve (14), a limiting wheel (13) is arranged inside the hand wheel (7), the hand wheel rocking handle (8) penetrates through the hand wheel (7), one end of the hand wheel (7) far away from the hand wheel rocking handle (8) is fixedly connected with the limiting wheel (13), one end of the hand wheel (7) far away from the bearing (6) is fixedly connected with a positioning pin (4), and one end of the positioning pin (4) far away from the hand wheel (7) is fixedly connected with a positioning handle (15).

2. The machine tool hand wheel tightening device of claim 1, characterized in that: the bottom end of the handle adjusting rod (12) is a threaded rotating shaft, a threaded hole is formed in the bearing seat (9), and the handle adjusting rod (12) is movably connected with the threaded hole through the threaded rotating shaft and the bearing seat (9).

3. The machine tool hand wheel tightening device of claim 1, characterized in that: and a fixed nut is arranged at the top of the handle adjusting rod (12).

4. The machine tool hand wheel tightening device of claim 1, characterized in that: the width of the braking block (2) is smaller than the thickness of the bearing seat (9).

5. The machine tool hand wheel tightening device of claim 1, characterized in that: and clamping blocks (17) are arranged on two sides of the connecting block (16).

6. The machine tool hand wheel tightening device of claim 1, characterized in that: a clamping groove (18) is formed in one side, close to the connecting block (16), of the hand wheel (7), and clamping blocks (17) on two sides of the connecting block (16) are clamped with the clamping groove (18).