CN214879837U

CN214879837U - Novel workpiece leveling jack

Info

Publication number: CN214879837U
Application number: CN202121251279.2U
Authority: CN
Inventors: 于勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-11-26
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a novel jack for leveling workpieces, which relates to the technical field of machining, wherein the front end of a base is rotationally connected with a transmission device, the upper end of the transmission device is inserted with a rotating handle, the upper end of the base is fixed with a sliding tube, the upper end of the sliding tube is slidably connected with a lifting column, the upper end of the lifting column is welded and fixed with a support table, the outer surface of the lifting column is rotationally connected with an adjusting device through screw threads, the adjusting device is provided, the position of the support column is controlled through a limit nut, the support column supports the lifting frame, so that the lifting frame can be attached to the bottom of the workpiece, the contact area with the bottom of the workpiece is increased, the workpiece can be kept horizontal under the extrusion of the adjusting device and an external pressing device, the extending telescopic rod can avoid the lifting frame from moving downwards, the workpiece is ensured to be supported stably, and the contact range with the workpiece can be increased due to smooth surface when the lifting frame is not adjusted, reducing the pressure on the surface of the workpiece.

Description

Novel workpiece leveling jack

Technical Field

The utility model relates to the technical field of machining, especially, relate to a novel work piece looks for flat jack.

Background

In the machining process, leveling operation is required according to marking lines on the surfaces of machined workpieces, and then the workpieces are pressed through the jacks and the upper pressing devices, so that the workpieces are machined.

When the existing jack is used, a workpiece is supported through a supporting platform on the surface, but the surface platform of the jack is small, so that the joint area of the jack and the workpiece is small, the workpiece is still difficult to keep horizontal under the fixation of a pressing device and the jack, and the machining precision of the workpiece is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel work piece leveling jack has solved the area of contact of jack and work piece and has leaded to the work piece to be difficult to guarantee horizontally technical problem under the extrusion for a short time.

In order to solve the technical problem, the utility model provides a novel work piece leveling jack, which comprises a base, wherein the front end of the base is rotatably connected with a transmission device, the upper end of the transmission device is inserted with a rotating handle, the upper end of the base is fixedly provided with a sliding tube, the upper end of the sliding tube is slidably connected with a lifting column, the upper end of the lifting column is fixedly welded with a supporting table, and the outer surface of the lifting column is rotatably connected with an adjusting device through threads;

the adjusting device comprises a fixed disc, a supporting column is inserted at the upper end of the fixed disc, a limiting nut is rotatably connected to the outer surface of the supporting column through threads, and a lifting frame is fixed at the upper end of the supporting column;

the lifting frame comprises a frame body, telescopic rods are connected to the two ends of the frame body in a sliding mode, and pushing blocks are fixed to the front ends of the telescopic rods.

Preferably, the surface of the lifting column is provided with threads, the upper end of the fixed disc is provided with an opening, and the opening is rotatably connected with the lifting column through the threads.

Preferably, the upper end of fixed disk is provided with fluting and support column sliding connection, the upper end of support column is passed through the bearing and is connected with the lift frame rotation.

Preferably, the front end of the frame body is provided with a slot and the slot is connected with a pushing block in a sliding mode, and the two ends of the lifting frame are provided with slots and the slots are connected with the telescopic rod in an inserting mode.

Preferably, the transmission device comprises a transmission ring, a connecting sleeve is fixed at the upper end of the transmission ring, and a rotating ring is rotatably connected at the front end of the connecting sleeve.

Preferably, the front end of the connecting sleeve is provided with a rotating column, the rotating surface of the connecting sleeve is provided with a fixing ring, and the rotating ring is rotatably connected with the rotating column and is rotatably connected with the fixing ring through threads.

Preferably, a power rod is welded and fixed inside the transmission ring and is in transmission connection with the umbrella-shaped teeth.

Compared with the prior art, the utility model provides a pair of novel work piece is looked for flat jack has following beneficial effect:

1. the utility model provides an adjusting device, through the position of stop nut control support column, thereby the support column props up the bottom that the lift frame made the lift frame work piece of can laminating, increase the area of contact bottom the work piece, make the work piece can keep the level under adjusting device and outside closing device's extrusion, the lift frame that the telescopic link that stretches out can avoid rising moves down, guarantee that the work piece supports stably, the smooth contact range that can increase with the work piece of surface when the lift frame is not adjusted simultaneously, reduce the pressure to workpiece surface.

2. The utility model provides a transmission adopts the rotating ring can avoid hand and adapter sleeve surface's rotation post to produce the friction, makes the rotation of adapter sleeve more laborsaving, and the rotating ring can lock the rotating ring with the solid fixed ring threaded connection who rotates the post surface simultaneously, guarantees that the rotating ring does not take place the abnormal sound.

Drawings

FIG. 1 is a main structure view of the present invention;

FIG. 2 is a structural diagram of the adjusting device of the present invention;

FIG. 3 is a structural diagram of the lifting frame of the present invention;

fig. 4 is a structural diagram of the transmission device of the present invention.

Reference numbers in the figures: 1. supporting table, 2, adjusting device, 3, rotating handle, 4, transmission device, 5, base, 6, sliding tube, 7, lifting column, 21, lifting frame, 22, support column, 23, limit nut, 24, fixed disk, 41, rotating ring, 42, transmission ring, 43, connecting sleeve, 211, telescopic link, 212, frame body, 213 and pushing block.

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 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.

In the first embodiment, as shown in fig. 1-4, the utility model discloses a novel work piece leveling jack, which comprises a base 5, wherein the front end of the base 5 is rotatably connected with a transmission device 4, the upper end of the transmission device 4 is inserted with a rotating handle 3, the upper end of the base 5 is fixed with a sliding tube 6, the upper end of the sliding tube 6 is slidably connected with a lifting column 7, the upper end of the lifting column 7 is fixedly welded with a support table 1, and the outer surface of the lifting column 7 is rotatably connected with an adjusting device 2 through threads;

the adjusting device 2 comprises a fixed disc 24, a supporting column 22 is inserted at the upper end of the fixed disc 24, a limiting nut 23 is rotatably connected to the outer surface of the supporting column 22 through threads, and a lifting frame 21 is fixed at the upper end of the supporting column 22;

the lifting frame 21 comprises a frame body 212, two ends of the frame body 212 are slidably connected with telescopic rods 211, and the front ends of the telescopic rods 211 are fixed with pushing blocks 213.

In the second embodiment, on the basis of the first embodiment, the transmission device 4 includes a transmission ring 42, a connection sleeve 43 is fixed at the upper end of the transmission ring 42, and a rotation ring 41 is rotatably connected to the front end of the connection sleeve 43.

The working principle is as follows:

moving a workpiece, placing the workpiece between a jack and an external pressing device, rotating a rotating handle 3, rotating the rotating handle 3 to drive a transmission device 4 to rotate, rotating the transmission device 4 to drive bevel teeth inside a base 5 to rotate, driving a lifting column 7 to move upwards by the bevel teeth, driving a supporting table 1 to move by the lifting column 7 to move upwards, lifting the workpiece by the supporting table 1, adjusting the external pressing device to press the upper end of the workpiece by adjusting the external pressing device so as to finish the fixing of the workpiece, rotating a fixed disc 24, rotating the fixed disc 24 to move upwards relative to the lifting column 7 by the threads on the inner surface, rotating a limit nut 23 after the adjusting device 2 is lifted to a proper height, driving the supporting column 22 to move upwards by the threads on the inner surface by the limit nut 23, driving a lifting frame 21 to move upwards by the upward movement of the supporting column 22 so as to press the lifting frame 21 to support the workpiece on the surface of the workpiece, then the work piece contacts with the surface of lift frame 21 this moment to make the work piece keep the level, when needing the work piece slope, adjust four lift frames 21 to different height and can change the angle of work piece, when lift frame 21 moves promotion piece 213 on the lift frame 21 surface below after suitable height, promote piece 213 and remove and drive telescopic link 211 and slide in framework 212 is inside, then the telescopic link 211 card that stretches out avoids lift frame 21 to move down.

When the distance between the upper end of the workpiece and the external pressing device is large, the rotating handle 3 is pulled out, the rotating ring 41 is rotated, the rotating ring 41 rotates to drive the connecting sleeve 43 to rotate, the connecting sleeve 43 rotates to drive the transmission ring 42 to rotate, the supporting table 1 can be quickly lifted, when the supporting table 1 is lifted to a certain height, the rotating ring 41 is rotated, the rotating ring 41 is fixed on the fixing ring on the surface of the rotating column on the connecting sleeve 43 through threads, and then the rotating ring 41 is fixed relative to the connecting sleeve 43.

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 article 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 article.

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 novel work piece leveling jack, includes base (5), its characterized in that: the front end of the base (5) is rotatably connected with a transmission device (4), the upper end of the transmission device (4) is inserted with a rotating handle (3), the upper end of the base (5) is fixedly provided with a sliding pipe (6), the upper end of the sliding pipe (6) is slidably connected with a lifting column (7), the upper end of the lifting column (7) is fixedly welded with a supporting table (1), and the outer surface of the lifting column (7) is rotatably connected with an adjusting device (2) through threads;

the adjusting device (2) comprises a fixed disc (24), a supporting column (22) is inserted into the upper end of the fixed disc (24), the outer surface of the supporting column (22) is rotatably connected with a limiting nut (23) through threads, and a lifting frame (21) is fixed at the upper end of the supporting column (22);

the lifting frame (21) comprises a frame body (212), two ends of the frame body (212) are connected with telescopic rods (211) in a sliding mode, and pushing blocks (213) are fixed to the front ends of the telescopic rods (211).

2. The novel workpiece leveling jack as claimed in claim 1, wherein the surface of the lifting column (7) is provided with threads, the upper end of the fixed disk (24) is provided with an opening, and the opening is rotatably connected with the lifting column (7) through the threads.

3. The novel workpiece leveling jack as claimed in claim 1, wherein the upper end of the fixed plate (24) is provided with a slot and the slot is slidably connected with the supporting column (22), and the upper end of the supporting column (22) is rotatably connected with the lifting frame (21) through a bearing.

4. The novel workpiece leveling jack as claimed in claim 1, wherein the front end of the frame body (212) is provided with a slot and the slot is slidably connected with the pushing block (213), and the two ends of the lifting frame (21) are provided with slots and the slots are inserted into the telescopic rods (211).

5. The novel workpiece leveling jack as claimed in claim 1, wherein the transmission device (4) comprises a transmission ring (42), a connection sleeve (43) is fixed at the upper end of the transmission ring (42), and a rotation ring (41) is rotatably connected to the front end of the connection sleeve (43).

6. The novel workpiece leveling jack as claimed in claim 5, wherein the front end of the connecting sleeve (43) is provided with a rotating column and the rotating surface is provided with a fixing ring, and the rotating ring (41) is rotatably connected with the rotating column and is rotatably connected with the fixing ring through threads.

7. The novel workpiece leveling jack as claimed in claim 5, wherein a power rod is welded and fixed inside the transmission ring (42) and is in transmission connection with the bevel gear.