CN211540411U

CN211540411U - Special tight device that rises of pneumatic cylinder processing

Info

Publication number: CN211540411U
Application number: CN202020104695.9U
Authority: CN
Inventors: 王娟; 孙守田; 宋文; 李德国
Original assignee: Zaozhuang Tongsheng Hydraulic Machinery Co ltd
Current assignee: Zaozhuang Tongsheng Hydraulic Machinery Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-09-22
Anticipated expiration: 2030-01-17

Abstract

The utility model discloses a special tight device that rises of pneumatic cylinder processing, including the holder, the axle sleeve fixture block has been cup jointed in the one end outside of holder, the inside rotation of holder is connected with the dabber, one side threaded connection who keeps away from the axle sleeve fixture block of dabber has the axle sleeve nut, the first bearing of other end week side fixedly connected with of dabber, one side of first bearing is provided with the second bearing, the utility model discloses use in pairs, link to each other with the top sleeve of main shaft, tailstock main shaft respectively. The sleeve nut is screwed down along a workpiece, the inner conical wall of the retainer is matched with the outer circle of the inner conical sleeve, the front end of the retainer is expanded, the size of the retainer is increased, and the retainer is tightly attached to the inner wall of the hydraulic cylinder, so that the hydraulic cylinder is tightly fixed between the tailstock and the chuck, the three-disc bearing is arranged between the mandrel and the inner conical sleeve, the retainer, the inner conical sleeve and the hydraulic cylinder can synchronously rotate along with the main shaft, the retainer is designed in a step mode, and the space requirement of an inner hole machining tool of an inner hole of a cylinder.

Description

Special tight device that rises of pneumatic cylinder processing

Technical Field

The utility model relates to a mechanical equipment field especially relates to a special tight device that rises of pneumatic cylinder processing.

Background

Hydraulic cylinders are important parts of hydraulic mechanical equipment. The small-batch processing can clamp one end of a workpiece on a chuck, and the middle frame is used for processing on a center frame; then the other end is unloaded and machined. This type of processing is time consuming and labor intensive.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a special tensioning device for hydraulic cylinder processing.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a special tight device that rises of pneumatic cylinder processing, includes the holder, the axle sleeve fixture block has been cup jointed in the one end outside of holder, the inside rotation of holder is connected with the dabber, one side threaded connection who keeps away from the axle sleeve fixture block of dabber has the axle sleeve nut, the first bearing of other end week side fixedly connected with of dabber, one side of first bearing is provided with the second bearing, one side of second bearing is provided with the third bearing, the interior taper sleeve of outer lane fixedly connected with of first bearing, the tail end threaded connection of dabber has tail end nut, tail end nut sets up the inside at the interior taper sleeve.

As a further description of the above technical solution:

the inner portion of the inner taper sleeve is in contact with the outer ring of the second bearing, and the inner portion of the inner taper sleeve is in contact with the outer ring of the third bearing.

As a further description of the above technical solution:

the end, far away from the shaft sleeve clamping block, of the retainer is provided with a stepped opening, and the inner taper sleeve is arranged in the opening.

As a further description of the above technical solution:

the dabber is the step shaft, the front end of dabber sets up to the toper, the tail end of dabber sets up to the notch cuttype, first bearing, second bearing, third bearing set up on same step.

As a further description of the above technical solution:

be provided with the gasket between third bearing and the tail end nut, the gasket cup joints all sides at the dabber, the dabber is provided with the external screw thread that corresponds with the junction of tail end nut.

As a further description of the above technical solution:

the opening at the tail end of the retainer is conical, and the tail end of the inner taper sleeve is provided with a corresponding conical bulge.

As a further description of the above technical solution:

the spindle is provided with corresponding external screw thread in the junction with the axle sleeve nut, the week side of axle sleeve fixture block is provided with a plurality of bolt holes, the axle sleeve nut contacts with the axle sleeve fixture block, the axle sleeve nut is provided with corresponding bolt hole with axle sleeve fixture block bolt hole.

The utility model discloses following beneficial effect has:

1. the utility model discloses use in pairs, respectively with the top sleeve of main shaft, the tailstock main shaft links to each other, the axle sleeve nut is screwed up along the work piece, cone wall and interior taper sleeve excircle cooperation in the holder, make the holder front end expand, the size increases, make it closely laminate with the pneumatic cylinder inner wall, thereby make the pneumatic cylinder tightly fix between tailstock and chuck, three dish bearings have been installed between dabber and the interior taper sleeve, make the holder, interior taper sleeve and pneumatic cylinder can rotate along with the main shaft is synchronous, the holder becomes the design of step, the required space requirement of hole processing cutter of cylinder body hole has been satisfied.

2. The utility model discloses a difficult problem that pneumatic cylinder mass production low in labor efficiency, intensity of labour are big has been solved smoothly in the development, and the use of this device makes the efficiency improve one time, and the worker's intensity of labour also has the reduction of very big degree, provides the solution for pneumatic cylinder processing, has very big spreading value.

Drawings

Fig. 1 is a main sectional view of a tensioning device specially used for hydraulic cylinder processing according to the present invention;

fig. 2 is a schematic view of a mandrel of a tensioning device specially used for processing a hydraulic cylinder of the present invention;

fig. 3 is a side view of the special tensioning device for hydraulic cylinder processing provided by the utility model.

Illustration of the drawings:

1. a mandrel; 2. a shaft sleeve nut; 3. a shaft sleeve clamping block; 4. a holder; 5. an inner taper sleeve; 6. a tail end nut; 7. a gasket; 8. a first bearing; 9. a second bearing; 10. and a third bearing.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a special tensioner that rises of pneumatic cylinder processing, including holder 4, axle sleeve fixture block 3 has been cup jointed in the one end outside of holder 4, the inside rotation of holder 4 is connected with dabber 1, one side threaded connection who keeps away from axle sleeve fixture block 3 of dabber 1 has axle sleeve nut 2, axle sleeve nut 2 screws up along the work piece, 4 interior taper wall of holder and the cooperation of 5 excircles of interior taper sleeve, make 4 rear ends of holder expand, the other end week side fixedly connected with first bearing 8 of dabber 1, one side of first bearing 8 is provided with second bearing 9, one side of second bearing 9 is provided with third bearing 10, the setting of three bearing, make holder 4, interior taper sleeve 5 can rotate along with the main shaft synchronization with the pneumatic cylinder, the outer lane fixedly connected with interior taper sleeve 5 of first bearing 8, the tail end threaded connection of dabber 1 has tail end nut 6, tail end nut 6.

The inner portion of the inner cone sleeve 5 is in contact with the outer ring of the second bearing 9 and the inner portion of the inner cone sleeve 5 is in contact with the outer ring of the third bearing 10. One end of the retainer 4, which is far away from the shaft sleeve fixture block 3, is provided with a stepped opening which is an inner conical wall, and the inner conical sleeve 5 is arranged in the opening. The mandrel 1 is a stepped shaft, the front end of the mandrel 1 is set to be conical, the tail end of the mandrel 1 is set to be stepped, and the first bearing 8, the second bearing 9 and the third bearing 10 are arranged on the same step. A gasket 7 is arranged between the third bearing 10 and the tail end nut 6, the gasket 7 is used for filling a gap between the third bearing 10 and the tail end nut 6, the gasket 7 is sleeved on the periphery of the mandrel 1, and the mandrel 1 is provided with corresponding external threads at the joint of the mandrel 1 and the tail end nut 6. The opening at the tail end of the retainer 4 is conical, and the tail end of the inner taper sleeve 5 is provided with a corresponding conical bulge, so that the tail end of the retainer 4 is conveniently expanded. The mandrel 1 is provided with corresponding external threads at the joint with the shaft sleeve nut 2, a plurality of bolt holes are formed in the peripheral side of the shaft sleeve clamping block 3, the shaft sleeve nut 2 is in contact with the shaft sleeve clamping block 3, and the shaft sleeve nut 2 is provided with corresponding bolt holes in the shaft sleeve clamping block 3.

The working principle is as follows: the device is used in pairs and is respectively connected with a main shaft tip sleeve and a tailstock main shaft. The shaft sleeve nut 2 is screwed down along the workpiece, and the inner conical wall of the retainer 4 is matched with the outer circle of the inner conical sleeve 5, so that the rear end of the retainer 4 is expanded, the size is increased, and the retainer is tightly attached to the inner wall of the hydraulic cylinder. So that the hydraulic cylinder is tightly fixed between the tailstock and the chuck. A three-disc bearing is arranged between the mandrel 1 and the inner taper sleeve 5, so that the retainer 4, the inner taper sleeve 5 and the hydraulic cylinder can synchronously rotate along with the main shaft. The retainer 4 is designed in a step mode, and the space requirement of an inner hole machining cutter of the inner hole of the cylinder body is met.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a special tight device that rises of pneumatic cylinder processing, includes holder (4), its characterized in that: axle sleeve fixture block (3) have been cup jointed in the one end outside of holder (4), the inside rotation of holder (4) is connected with dabber (1), one side threaded connection who keeps away from axle sleeve fixture block (3) of dabber (1) has axle sleeve nut (2), the first bearing of other end week side fixedly connected with (8) of dabber (1), one side of first bearing (8) is provided with second bearing (9), one side of second bearing (9) is provided with third bearing (10), interior taper sleeve (5) of outer lane fixedly connected with of first bearing (8), the tail end threaded connection of dabber (1) has tail end nut (6), tail end nut (6) set up the inside in taper sleeve (5).

2. The tensioning device special for hydraulic cylinder machining according to claim 1, characterized in that: the inner portion of the inner taper sleeve (5) is in contact with the outer ring of the second bearing (9), and the inner portion of the inner taper sleeve (5) is in contact with the outer ring of the third bearing (10).

3. The tensioning device special for hydraulic cylinder machining according to claim 1, characterized in that: one end of the retainer (4) far away from the shaft sleeve clamping block (3) is provided with a step-shaped opening, and the inner taper sleeve (5) is arranged in the opening.

4. The tensioning device special for hydraulic cylinder machining according to claim 1, characterized in that: dabber (1) is the step shaft, the front end of dabber (1) sets up to the toper, the tail end of dabber (1) sets up to the notch cuttype, first bearing (8), second bearing (9), third bearing (10) set up on same step.

5. The tensioning device special for hydraulic cylinder machining according to claim 1, characterized in that: be provided with gasket (7) between third bearing (10) and tail-end nut (6), gasket (7) cup joint all sides at dabber (1), dabber (1) is provided with the external screw thread that corresponds with the junction of tail-end nut (6).

6. The tensioning device special for hydraulic cylinder machining according to claim 1, characterized in that: the opening at the tail end of the retainer (4) is conical, and the tail end of the inner taper sleeve (5) is provided with a corresponding conical bulge.

7. The tensioning device special for hydraulic cylinder machining according to claim 1, characterized in that: the spindle (1) is provided with corresponding external screw thread at the junction with axle sleeve nut (2), the week side of axle sleeve fixture block (3) is provided with a plurality of bolt holes, axle sleeve nut (2) contacts with axle sleeve fixture block (3), axle sleeve nut (2) is provided with corresponding bolt hole with axle sleeve fixture block (3) bolt hole.