CN215763125U - Indexing device with center fixing flange capable of carrying heavy load - Google Patents

Abstract

The utility model discloses an indexing device with a center fixed flange capable of overloading, which comprises a shell, an input assembly and an output assembly, wherein the input assembly comprises an input shaft and a cam, the output assembly comprises the center fixed flange, a turret and needle roller bearings, the input shaft is rotatably connected onto the shell of the shell and is driven by an external driver to rotate, the cam is fixed outside the input shaft, the outer wall of the cam is provided with a contour curved surface, the center fixed flange is detachably arranged on the shell and is perpendicular to the different surface of the input shaft, the turret is rotatably connected outside the center fixed flange, and a plurality of needle roller bearings are respectively fixed on the outer wall of the turret in a surrounding mode and move along the track of the contour curved surface to drive the turret to rotate. The central fixing flange is arranged in the shell, and the turret provided with the plurality of needle roller bearings is supported, so that the bearing capacity is effectively improved, and the normal indexing work under the heavy load condition is realized.

Description

Indexing device with center fixing flange capable of carrying heavy load

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of cam dividers, in particular to the technical field of an indexing device with a center fixing flange capable of overloading.

[ background of the utility model ]

The cam divider, also called cam indexer or intermittent divider, is a high-precision rotating device, can realize mechanical intermittent motion, and is an ideal product for replacing traditional mechanisms such as a geneva mechanism, a ratchet mechanism, an incomplete gear mechanism, a pneumatic control mechanism and the like. However, the output shaft of the conventional cam divider has a small carrying capacity, and cannot meet the use of an overweight load, so that the use range is greatly limited, and a solution is needed.

[ Utility model ] content

The utility model aims to solve the problems in the prior art, and provides a heavy-load indexing device of a central fixed flange, which can realize normal indexing work under the condition of heavy load.

In order to achieve the purpose, the utility model provides an indexing device with a center fixed flange capable of being reloaded, which comprises a machine shell, an input assembly and an output assembly, wherein the input assembly comprises an input shaft and a cam, the output assembly comprises the center fixed flange, a turret and needle roller bearings, the input shaft is rotatably connected onto the shell of the machine shell and is driven by an external driver to rotate, the cam is fixed outside the input shaft, the outer wall of the cam is provided with a contour curved surface, the center fixed flange is detachably arranged on the shell and is perpendicular to the different surface of the input shaft, the turret is rotatably connected outside the center fixed flange, and a plurality of the needle roller bearings are respectively fixed on the outer wall of the turret in a surrounding mode and move along the track of the contour curved surface to drive the turret to rotate.

Preferably, two ends of the input shaft penetrate out of the input end faces of the two sides of the shell respectively, an eccentric adjusting flange, an input bearing and an input adjusting flange are sleeved outside the input shaft respectively, the eccentric adjusting flange is located at the input end face and fixed with the shell, and the input adjusting flange is fixed on the eccentric adjusting flange and limits the input bearing between the eccentric adjusting flange and the input shaft.

Preferably, an input oil seal is arranged between the input shaft and the input adjusting flange.

Preferably, the outer diameters of the two ends of the input shaft are different to form a large outer diameter end and a small outer diameter end, a pressing flange is arranged at the position, close to the input end face of the small outer diameter end, of the input shaft, and the pressing flange is fixed with the shell and presses the eccentric adjusting flange to be tightly attached to the shell.

Preferably, a plurality of input sealing rings are respectively arranged between the eccentric adjusting flange and the shell, between the input adjusting flange and the pressing flange, and between the pressing flange and the shell.

Preferably, one end of the central fixing flange is fixed at the output end face of the shell through a fastener in a threaded manner, a plurality of output bearings are sleeved outside the central fixing flange, a limiting flange is mounted on the end face of one side, opposite to the output end face, of the shell, and the limiting flange abuts against the free end of the central fixing flange and limits the output bearings between the central fixing flange and the turret.

Preferably, an output oil seal is arranged between the shell and the limiting flange.

Preferably, the center of the central fixed flange is provided with a central hole communicated with the outside.

The utility model has the beneficial effects that: according to the utility model, the central fixing flange is arranged in the shell to support the turret provided with the plurality of needle roller bearings, so that the bearing capacity is effectively improved, the normal indexing work under the heavy load condition is realized, the integral structure is simple, and the installation is simple and convenient; the central fixed flange is detachably arranged in the shell, so that the central fixed flange is convenient to disassemble, assemble and replace, and the service life of the device is further prolonged; the central hole communicated with the outside is formed in the central fixing flange, so that whether an output shaft is installed or not can be selected according to requirements, and the use scene is widened; through setting up the hold-down flange, effectively improve the stability of the little external diameter end of output shaft.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a schematic perspective view of a center mounting flange heavy-duty indexing device of the present invention from one perspective;

FIG. 2 is a perspective view of a center mounting flange reloadable indexing device of the present invention from another perspective;

FIG. 3 is a left side view of an indexing device of the present invention with a center mounting flange reloadable;

FIG. 4 is a front view of an indexing device of the present invention with a center mounting flange that is reloadable;

FIG. 5 is a sectional view taken along line B-B of FIG. 3;

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 4;

FIG. 7 is a front view of the center mounting flange of an indexing device with the center mounting flange being reloadable in accordance with the present invention;

fig. 8 is a sectional view taken along line a-a of fig. 7.

In the figure: 1-machine shell, 11-shell, 12-eccentric adjusting flange, 13-input bearing, 14-input adjusting flange, 15-input oil seal, 16-pressing flange, 17-output bearing, 18-limiting flange, 19-output oil seal, 2-input component, 21-input shaft, 22-cam, 221-contour curved surface, 3-output component, 31-central fixing flange, 311-central hole, 32-turret and 33-needle bearing.

[ detailed description ] embodiments

Referring to fig. 1 to 8, the indexing device with a center fixed flange capable of being heavily loaded according to the present invention includes a housing 1, an input assembly 2 and an output assembly 3, where the input assembly 2 includes an input shaft 21 and a cam 22, the output assembly 3 includes a center fixed flange 31, a turret 32 and needle bearings 33, the input shaft 21 is rotatably connected to a housing 11 of the housing 1 and is driven to rotate by an external driver, the cam 22 is fixed outside the input shaft 21 and has a contour curved surface 221 on an outer wall thereof, the center fixed flange 31 is detachably mounted on the housing 11 and is perpendicular to a different surface of the input shaft 21, the turret 32 is rotatably connected outside the center fixed flange 31, and a plurality of the needle bearings 33 are respectively fixed on an outer wall of the turret 32 in a surrounding manner and are movable along a track of the contour curved surface 221 to drive the turret 32 to rotate.

The both ends of input shaft 21 wear out the both sides input end face of casing 11 respectively, the cover is equipped with eccentric adjustment flange 12, input bearing 13 and input adjustment flange 14 outside input shaft 21 respectively, eccentric adjustment flange 12 is located input end face department and is fixed mutually with casing 11, input adjustment flange 14 is fixed on eccentric adjustment flange 12 and with input bearing 13 restriction between eccentric adjustment flange 12 and input shaft 21.

An input oil seal 15 is arranged between the input shaft 21 and the input adjusting flange 14.

The outer diameters of the two ends of the input shaft 21 are different to form a large outer diameter end and a small outer diameter end, a pressing flange 16 is arranged at the position of the input end face close to the small outer diameter end, and the pressing flange 16 is fixed with the shell 11 and presses the eccentric adjusting flange 12 to be tightly attached to the shell 11.

A plurality of input sealing rings are respectively arranged between the eccentric adjusting flange 12 and the shell 11, between the input adjusting flange 14 and the pressing flange 16, and between the pressing flange 16 and the shell 11.

One end of the central fixing flange 31 is fixed at the output end face of the shell 11 through a fastener thread, a plurality of output bearings 17 are sleeved outside the central fixing flange 31, a limiting flange 18 is installed on one side end face of the shell 11 opposite to the output end face, and the limiting flange 18 abuts against the free end of the central fixing flange 31 and limits the output bearings 17 between the central fixing flange 31 and the turret 32.

An output oil seal 19 is arranged between the shell 11 and the limiting flange 18.

The center of the central fixed flange 31 is provided with a central hole 311 communicated with the outside.

The working process of the utility model is as follows:

during operation, the external drive drives the input shaft 21 to rotate, which drives the cam 22 to rotate within the housing 11. At this time, the needle bearings 33 engaged with the cam 22 move along the track of the curved contour 221 of the rotating cam 22, thereby rotating the turret 32 outside the central fixed flange 31.

According to the utility model, the central fixing flange is arranged in the shell to support the turret provided with the plurality of needle roller bearings, so that the bearing capacity is effectively improved, the normal indexing work under the heavy load condition is realized, the integral structure is simple, and the installation is simple and convenient; the central fixed flange is detachably arranged in the shell, so that the central fixed flange is convenient to disassemble, assemble and replace, and the service life of the device is further prolonged; the central hole communicated with the outside is formed in the central fixing flange, so that whether an output shaft is installed or not can be selected according to requirements, and the use scene is widened; through setting up the hold-down flange, effectively improve the stability of the little external diameter end of output shaft.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (8)

1. The utility model provides an indexing means that center mounting flange can be heavily loaded which characterized in that: comprises a machine shell (1), an input component (2) and an output component (3), wherein the input component (2) comprises an input shaft (21) and a cam (22), the output assembly (3) comprises a central fixed flange (31), a turret (32) and a needle bearing (33), the input shaft (21) is rotatably connected on the shell (11) of the machine shell (1) and is driven by an external driver to rotate, the cam (22) is fixed outside the input shaft (21) and the outer wall of the cam is provided with a contour curved surface (221), the central fixed flange (31) is detachably arranged on the shell (11) and is vertical to the different surface of the input shaft (21), the rotary tower (32) is rotatably connected outside the central fixed flange (31), and a plurality of needle bearings (33) are respectively fixed on the outer wall of the rotary tower (32) in a surrounding manner and move along the track of the contour curved surface (221) to drive the rotary tower (32) to rotate.

2. The center mounting flange reloadable indexing mechanism of claim 1, wherein: the both ends of input shaft (21) are worn out the both sides input end face of casing (11) respectively, the cover is equipped with eccentric adjustment flange (12), input bearing (13) and input adjustment flange (14) respectively outside input shaft (21), eccentric adjustment flange (12) are located input end face department and are fixed mutually with casing (11), input adjustment flange (14) are fixed on eccentric adjustment flange (12) and with input bearing (13) restriction between eccentric adjustment flange (12) and input shaft (21).

3. The center mounting flange reloadable indexing mechanism of claim 2, wherein: an input oil seal (15) is arranged between the input shaft (21) and the input adjusting flange (14).

4. A center mounting flange reloadable indexing mechanism as recited in claim 3, wherein: the outer diameters of two ends of the input shaft (21) are different, so that a large outer diameter end and a small outer diameter end are formed, a pressing flange (16) is arranged at the position, close to the input end face of the small outer diameter end, of the input shaft, and the pressing flange (16) is fixed with the shell (11) and presses the eccentric adjusting flange (12) to be tightly attached to the shell (11).

5. The center mounting flange reloadable indexing mechanism of claim 4, wherein: and a plurality of input sealing rings are respectively arranged between the eccentric adjusting flange (12) and the shell (11), between the input adjusting flange (14) and the pressing flange (16) and between the pressing flange (16) and the shell (11).

6. The center mounting flange reloadable indexing mechanism of claim 1, wherein: the utility model discloses a centering device, including casing (11), central mounting flange (31), limiting flange (18), the one end of central mounting flange (31) is passed through the fastener screw thread and is fixed in the output terminal surface department of casing (11), the cover is equipped with a plurality of output bearing (17) outside central mounting flange (31), casing (11) are installed limiting flange (18) on the side end face for the output terminal surface, limiting flange (18) mortgage the free end of central mounting flange (31) and with output bearing (17) restriction between central mounting flange (31) and capstan head (32).

7. The center mounting flange reloadable indexing mechanism of claim 6, wherein: an output oil seal (19) is arranged between the shell (11) and the limiting flange (18).

8. The center mounting flange reloadable indexing mechanism of claim 7, wherein: the center of the central fixed flange (31) is provided with a middle hole (311) communicated with the outside.

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