CN214699035U

CN214699035U - Lifting mechanism for hardness machine

Info

Publication number: CN214699035U
Application number: CN202120078313.4U
Authority: CN
Inventors: 王广庆; 李明
Original assignee: Shanghai Zhanming Machinery Co ltd
Current assignee: Shanghai Zhanming Machinery Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-11-12
Anticipated expiration: 2031-01-13

Abstract

The utility model relates to a lifting mechanism for hardness machine, including axle sleeve and lead screw, be provided with the adjusting plate in the mounting groove, the adjusting plate includes adjusting block, fixing bolt, staff and miniature bearing, the staff sets up below the adjusting block, the miniature bearing cover is established on the staff, lead screw one end face is opened has the keyway, one side of end face bearing is equipped with the lift gyro wheel, axle sleeve, end face bearing and lift gyro wheel overlap respectively on the lead screw, the staff bottom stretches into in the keyway, the utility model discloses simple structure, convenient to use adopts the cooperation of staff and miniature bearing to replace traditional rectangular block, miniature bearing and keyway inner wall clearance are little, prevent rocking and dislocation in its keyway, and miniature bearing and keyway sliding connection have stopped situations such as blocking, have reduced the friction simultaneously, have improved life, have reduced accessory change frequency, reduces the production cost and is beneficial to enterprise production.

Description

Lifting mechanism for hardness machine

Technical Field

The utility model relates to a lifting mechanism technical field for the hardness machine specifically is a lifting mechanism for hardness machine.

Background

Current elevating system slides from top to bottom in the keyway of lead screw through a swiveling wheel drive rectangular block, rectangular block's effect lies in the location and can not rock when keeping going up and down, with this realize the steady of going up and down, but adopt rectangular block's mode to collide and rub with the keyway inner wall easily when going up and down, can lead to rectangular block to take place to warp for a long time, like this when rotatory lift revolves the wheel, can rock for the axle sleeve emergence when the lead screw goes up and down, can cause the condition that rectangular block blocked at the inslot when going up and down like this, need tear the maintenance with overall structure open, it is time consuming and energy consuming, rectangular block leads to life shorter because of the frictional reason, need frequently change rectangular block, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

Based on above-mentioned technical defect, the utility model provides a hoist mechanism for hardness machine has solved the technical defect among the above-mentioned technical problem.

The utility model relates to a hoist mechanism for hardness machine, including axle sleeve and lead screw, open at the middle part of axle sleeve has the shaft hole that runs through, open on the upper portion of axle sleeve has the mounting groove, be provided with the adjusting plate in the mounting groove, the adjusting plate includes adjusting block, fixing bolt, staff and miniature bearing, it has a plurality of through-holes to open on the adjusting block, the staff sets up in the adjusting block below, miniature bearing cover is established on the staff, the staff bottom is provided with the jump ring, be provided with the end face bearing in the axle sleeve, lead screw terminal surface is opened there is the keyway, one side of end face bearing is equipped with the lift and revolves the wheel, be provided with the handle on the lift revolves the wheel, axle sleeve, end face bearing and lift revolve the wheel and establish respectively on the lead screw, the staff bottom stretches into in the keyway.

Further, the inside bearing groove that opens of axle sleeve one end, the end face bearing sets up in the bearing groove, lift revolves wheel one end and is provided with the ejector pin, the ejector pin stretches into in the bearing groove, lift revolves wheel and ejector pin integrated into one piece, the adjusting block is trapezoidal, fixing bolt and through-hole one-to-one, the staff top is opened there is the screw, fixing bolt runs through behind the adjusting block and is connected with the staff, the jump ring cover is established in staff bottom, the jump ring is used for propping up miniature bearing.

Further, the staff symmetry is equipped with two, miniature bearing, jump ring respectively with miniature bearing one-to-one, constitute detachable construction between fixing bolt and the axle sleeve, fixing bolt is provided with six, the staff is connected with two of them fixing bolt.

Furthermore, a sliding structure is formed between the key groove and the micro bearing, and the gap between the micro bearing and the key groove is 0.02-0.04 mm.

Further, the handle is along the peripheral equidistance interval distribution of lift spinning wheel, the handle is provided with three.

The utility model relates to a hoist mechanism for hardness machine, simple structure, convenient to use adopts staff and miniature bearing's cooperation to replace traditional rectangular block, miniature bearing is little with keyway inner wall clearance, prevents rocking and dislocation in its keyway, and miniature bearing and keyway smooth even have stopped situations such as block, have reduced the friction simultaneously, have improved life, have reduced the accessory and have changed the frequency, have reduced manufacturing cost, are favorable to the enterprise to produce.

Drawings

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

FIG. 2 is a schematic view of the end face bearing structure of the present invention;

FIG. 3 is a schematic view of the shaft sleeve structure of the present invention;

fig. 4 is a schematic diagram of the structure of the adjusting plate of the present invention.

In the figure: 1. a shaft sleeve; 2. an adjustment plate; 3. a screw rod; 4. a keyway; 5. a lifting rotary wheel; 6. a handle; 7. a top rod; 8. an end face bearing; 9. a micro-bearing; 10. fixing the bolt; 11. mounting grooves; 12. a shaft hole; 13. a bearing groove; 14. an adjusting block; 15. a small shaft; 16. and a clamp spring.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The lifting mechanism for the hardness machine of the utility model shown in fig. 1-4 comprises a shaft sleeve 1 and a screw rod 3, wherein the middle part of the shaft sleeve 1 is provided with a through shaft hole 12, the upper part of the shaft sleeve 1 is provided with a mounting groove 11, a regulating plate 2 is arranged in the mounting groove 11, the regulating plate 2 comprises a regulating block 14, a fixing bolt 10, a small shaft 15 and a micro bearing 9, a plurality of through holes are arranged on the regulating block 14, the small shaft 15 is arranged below the regulating block 14, the micro bearing 9 is sleeved on the small shaft 15, a snap spring 16 is arranged at the bottom end of the small shaft 15, an end face bearing 8 is arranged in the shaft sleeve 1, a key groove 4 is arranged on one end face of the screw rod 3, one side of the end face bearing 8 is provided with a lifting rotary wheel 5, a handle 6 is arranged on the lifting rotary wheel 5, the shaft sleeve 1, the end face bearing 8 and the lifting rotary wheel 5 are respectively sleeved on the screw rod 3, the bottom of the small shaft 15 extends into the key groove 4.

Further, the inside bearing groove 13 that opens of 1 one end of axle sleeve, end face bearing 8 sets up in

bearing groove

13, 5 one ends of lift spinning wheel are provided with ejector pin 7, ejector pin 7 stretches into in the bearing groove 13, lift spinning wheel 5 and ejector pin 7 integrated into one piece, adjusting block 14 is trapezoidal, fixing bolt 10 and through-hole one-to-one, open at staff 15 top has the screw, fixing bolt 10 runs through adjusting block 14 after be connected with

staff

15, 16 covers of jump ring are established in staff 15 bottom, jump ring 16 is used for propping up miniature bearing 9.

Further, staff 15 symmetry is equipped with two, miniature bearing 9, jump ring 16 respectively with miniature bearing 9 one-to-one, constitute detachable construction between fixing bolt 10 and the axle sleeve 1, fixing bolt 10 is provided with six, staff 15 is connected with two of them fixing bolt 10.

Furthermore, a sliding structure is formed between the key slot 4 and the micro bearing 9, and the gap between the micro bearing 9 and the key slot 4 is 0.02-0.04 mm.

Further, handle 6 is along the peripheral equidistance interval distribution of lift spinning wheel 5, handle 6 is provided with three.

The working principle of the lifting mechanism for the hardness machine is as follows: the mounting groove 11 is provided with a round hole vertical to the key groove 4, firstly, a fixing bolt 10, an adjusting block 14, a small shaft 15, a miniature bearing 9 and a clamp spring 16 are assembled according to the sequence from top to bottom, the assembled adjusting plate 2 is integrally mounted on the mounting groove 11, secondly, a screw rod 3 passes through a shaft hole 12, the key groove 4 on the screw rod 3 is vertical to the round hole, which is also equivalent to the key groove 4 being always vertical to the small shaft 15, the small shaft 15 passes through the round hole downwards, so that the miniature bearing 9 arranged at the bottom of the small shaft extends into the key groove 4, then other four fixing bolts 10 respectively pass through holes on the adjusting block 14 to be correspondingly connected with openings arranged on the mounting groove 11 one by one, before the adjusting block 14 is screwed, the relative position between the miniature bearing 9 and the key groove 4 can be finely adjusted manually, the final adjustment enables the miniature bearing 9 to be vertical to the key groove 4, and the small shaft 15 to be vertical to the middle part of the key groove 4, the positions of the two small shafts 15 on the adjusting plate 2 are horizontally arranged;

the clearance between the micro bearing 9 and the inner wall of the key slot 4 is not more than 0.02 mm;

after the adjusting plate 2 is assembled, the end face bearing 8 penetrates through the screw rod 3 and is arranged in the bearing groove 13, finally the lifting rotary wheel 5 is sleeved on the screw rod 3, and the ejector rod 7 arranged on the side face of the lifting rotary wheel 5 also extends into the bearing groove 13 to be tightly pressed with the end face bearing 8.

The above description is provided for the purpose of describing the present invention in more detail with reference to the preferred embodiments, and it should not be construed that the present invention is limited to the description, and it will be understood by those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a hoist mechanism for hardness machine which characterized in that: including axle sleeve and lead screw, open at the middle part of axle sleeve has the shaft hole that runs through, open on the upper portion of axle sleeve has the mounting groove, be provided with the adjusting plate in the mounting groove, the adjusting plate includes adjusting block, fixing bolt, staff and miniature bearing, it has a plurality of through-holes to open on the adjusting block, the staff sets up in the adjusting block below, miniature bearing cover is established on the staff, the staff bottom is provided with the jump ring, be provided with the terminal surface bearing in the axle sleeve, lead screw terminal surface is opened there is the keyway, one side of terminal surface bearing is equipped with the lift and revolves the wheel, be provided with the handle on the lift revolves the wheel, axle sleeve, terminal surface bearing and lift revolve the wheel and establish respectively on the lead screw, the staff bottom stretches into in the keyway.

2. The lifting mechanism for a hardness machine according to claim 1, wherein: the utility model discloses a miniature bearing, including axle sleeve, end face bearing, lift spinning wheel, ejector pin, jack, adjusting block, jump ring cover, bearing groove, end face bearing, lift spinning wheel one end is provided with the ejector pin, the ejector pin stretches into in the bearing groove, lift spinning wheel and ejector pin integrated into one piece, the adjusting block is trapezoidal, fixing bolt and through-hole one-to-one, the staff top is opened there is the screw, fixing bolt runs through behind the adjusting block and is connected with the staff, the jump ring cover is established in the staff bottom, the jump ring is used for propping up miniature bearing.

3. The lifting mechanism for a hardness machine according to claim 2, wherein: the staff symmetry is equipped with two, miniature bearing, jump ring respectively with miniature bearing one-to-one, constitute detachable construction between fixing bolt and the axle sleeve, fixing bolt is provided with six, the staff is connected with two of them fixing bolt.

4. The lifting mechanism for a hardness machine according to claim 1, wherein: a sliding structure is formed between the key groove and the micro bearing, and the gap between the micro bearing and the key groove is 0.02-0.04 mm.

5. The lifting mechanism for a hardness machine according to claim 1, wherein: the handle is along the peripheral equidistance interval distribution of lift spinning wheel, the handle is provided with three.