CN211805690U

CN211805690U - Rotary positioning device

Info

Publication number: CN211805690U
Application number: CN201922461686.5U
Authority: CN
Inventors: 韩志刚
Original assignee: Wuxi Guangnuo Automation Technology Co ltd
Current assignee: Wuxi Guangnuo Automation Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-30
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a rotary positioning device, which comprises a base, a driving motor, a driving gear, a driven gear meshed with the driving gear, a clamping jaw seat arranged at the center of the driven gear, a clamping jaw arm, a plurality of clamping jaws hinged with the clamping jaw arm, a plurality of springs arranged at the periphery of the plurality of clamping jaws, a plurality of bearings arranged at the inner sides of the plurality of clamping jaws, a mandril arranged in the clamping jaw arm and a cylinder driving the mandril to advance and retreat; the clamping jaw arm is provided with a locking plate, and the ejector rod is provided with a locking groove. The driving motor drives the driving gear and the driven gear to rotate by a preset angle, so that the locking plate and the locking groove are unlocked, the cylinder drives the ejector rod to lift, the jaw arm is pushed out of the jaw seat, a plurality of bearings are outwards opened in the lifting process of the ejector rod, and the spring enables the jaw to be opened, so that the product can be taken and placed; the cylinder drives the ejector rod to descend, the spring can tighten up the clamping jaw, and the product is stable and firm and cannot be loosened or offset in the product machining process after being locked.

Description

Rotary positioning device

Technical Field

The utility model relates to a pipe fitting production technical field especially relates to a rotary positioning device.

Background

In the production process of tubular products, the pipe fittings are often required to be clamped, and after the pipe fittings are processed, the pipe fittings are loosened to be convenient to take down. In the prior art, the clamping jaws are driven to directly clamp through hydraulic cylinders and the like, products are loosened in the machining process if leakage and other conditions exist, the products cannot be machined, and potential safety hazards are large in the loosening process of the products.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a rotary positioning device.

In order to solve the technical problem, the utility model provides a rotary positioning device, which comprises a base, a driving motor arranged on the base, a driving gear arranged at the output end of the driving motor, a driven gear meshed with the driving gear, a clamping jaw seat arranged at the center of the driven gear, a clamping jaw arm arranged on the clamping jaw seat, a plurality of clamping jaws hinged with the clamping jaw arm, a plurality of springs arranged at the periphery of the clamping jaws, a plurality of bearings arranged at the inner sides of the clamping jaws, a mandril arranged in the clamping jaw arm and a cylinder driving the mandril to advance and retreat; be provided with the locking plate in the gripper arm, be provided with the locking groove on the ejector pin, gripper arm with the ejector pin is through mutually supporting the locking plate with the locking groove links to each other.

Furthermore, a fixing plate is arranged in the middle of the base, the driving motor is mounted on the fixing plate, and the driving gear and the driven gear are respectively located above the fixing plate.

Further, a mounting plate is arranged at the lower part of the base, and the air cylinder is arranged on the mounting plate.

Furthermore, a plurality of mounting grooves are uniformly distributed on the clamping jaw arm, the clamping jaws are respectively positioned in the mounting grooves, and the clamping jaws are respectively provided with an arc-shaped groove on the inner sides.

Furthermore, a bearing mounting arm is arranged on the inner side wall of each clamping jaw respectively, and the bearing is hinged with the bearing mounting arm.

Furthermore, the top of the ejector rod is conical, and the middle of the ejector rod is provided with a fixed sleeve connected with the driven gear.

Furthermore, the outer side of each clamping jaw is provided with a limiting groove.

The utility model discloses a rotary positioning device, driving motor drive the driving gear, driven gear rotates a preset angle, and this preset angle can be arbitrary angle between 0-360 degrees, makes locking plate and locking groove cancellation locking, the cylinder drive the ejector pin jacking, stretch out the gripper arm top the gripper seat, in the ejector pin jacking process a plurality of the bearing outwards opens, the spring makes the gripper open, can accomplish the getting of product and put; accomplish the product and get and put the back, the cylinder drive the ejector pin descends, the spring can with the clamping jaw tightens up, simultaneously the clamping jaw arm with the ejector pin is through mutually supporting the locking plate with locking groove locking, to the product course of working after the locking, the product is stable firm, can not take place to relax or offset.

Drawings

Fig. 1 is a schematic view of a rotary positioning device of the present invention;

fig. 2 is a top view of a jaw seat component of the rotary positioning device of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic view of the locking plate of the rotational positioning apparatus of the present invention;

labeled as: the clamping jaw fixing device comprises a base 1, a fixing plate 1-1, a mounting plate 1-2, a driving motor 2, a driving gear 3, a driven gear 4, a clamping jaw seat 5, a clamping jaw arm 6, a mounting groove 6-1, a clamping jaw 7, an arc-shaped groove 7-1, a bearing mounting arm 7-2, a limiting groove 7-3, a spring 8, a bearing 9, an ejector rod 10, an air cylinder 11, a locking plate 12, a locking groove 13 and a fixing sleeve 14.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The following detailed explanation and explanation of the embodiments of the present invention are provided with reference to fig. 1 to 4:

the utility model provides a rotary positioning device, which comprises a base 1, a driving motor 2 arranged on the base 1, a driving gear 3 arranged at the output end of the driving motor 2, a driven gear 4 meshed with the driving gear 3, a clamping jaw seat 5 arranged at the center of the driven gear 4, a clamping jaw arm 6 arranged on the clamping jaw seat 5, a plurality of clamping jaws 7 hinged with the clamping jaw arm 6, a plurality of springs 8 arranged at the periphery of the clamping jaws 7, a plurality of bearings 9 arranged at the inner sides of the clamping jaws 7, a mandril 10 arranged in the clamping jaw arm 6 and a cylinder 11 driving the mandril 10 to move forward and backward; be provided with locking plate 12 in the gripper arm 6, be provided with locking groove 13 on the ejector pin 10, gripper arm 6 with ejector pin 10 is through mutually supporting locking plate 12 with locking groove 13 links to each other. The driving motor 2 drives the driving gear 3 and the driven gear 4 to rotate by a preset angle which can be any angle between 0 and 360 degrees, so that the locking of the locking plate 12 and the locking groove 13 is cancelled, the cylinder 11 drives the ejector rod 10 to lift, the jaw arm 6 is pushed to extend out of the jaw seat 5, the bearings 9 are outwards opened in the lifting process of the ejector rod 10, and the clamping jaw 7 is opened by the spring 8, so that the product can be taken and placed; accomplish the product and get and put the back, cylinder 11 drive ejector pin 10 descends, spring 8 can with clamping jaw 7 tightens up, simultaneously clamping jaw arm 6 with ejector pin 10 is through mutually supporting locking plate 12 with locking groove 13 is locked, and in to the product course of working after the locking, the product is stable firm, can not take place to relax or offset.

The middle of the base 1 is provided with a fixed plate 1-1, the driving motor 2 is installed on the fixed plate 1-1, and the driving gear 3 and the driven gear 4 are respectively located above the fixed plate 1-1.

The lower part of the base 1 is provided with a mounting plate 1-2, and the cylinder 11 is arranged on the mounting plate 1-2.

The clamping jaw mechanism is characterized in that a plurality of mounting grooves 6-1 are uniformly distributed on the clamping jaw arm 6, the clamping jaws 7 are respectively positioned in the mounting grooves 6-1, and arc-shaped grooves 7-1 are respectively arranged on the inner sides of the clamping jaws 7.

And bearing mounting arms 7-2 are respectively arranged on the inner side walls of the clamping jaws 7, and the bearings 9 are hinged with the bearing mounting arms 7-2.

The top of the ejector rod 10 is conical, and the middle part of the ejector rod 10 is provided with a fixed sleeve 14 connected with the driven gear 4.

The outer side of each clamping jaw 7 is provided with a limiting groove 7-3 respectively; the limiting groove 73 facilitates limiting the spring 8 and prevents the spring 8 from deviating.

The utility model discloses a rotary positioning device, simple structure is stable, driving motor 2 drive driving gear 3, driven gear 4 rotates a preset angle, and this preset angle can be arbitrary angle between 0-360 degrees, makes locking plate 12 with locking groove 13 cancellation locking, cylinder 11 drive ejector pin 10 jacking, stretch out with the jack catch arm 6 top the jack catch seat 5, the jack catch arm 10 jacking in-process will a plurality of bearing 9 opens outwards, spring 8 makes the jack catch 7 open, can accomplish the getting of product and put; accomplish the product and get and put the back, cylinder 11 drive ejector pin 10 descends, spring 8 can with clamping jaw 7 tightens up, simultaneously clamping jaw arm 6 with ejector pin 10 is through mutually supporting locking plate 12 with locking groove 13 is locked, and in to the product course of working after the locking, the product is stable firm, can not take place to relax or offset.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.

Claims

1. A rotational positioning apparatus, characterized in that: the clamping jaw mechanism comprises a base, a driving motor arranged on the base, a driving gear arranged at the output end of the driving motor, a driven gear meshed with the driving gear, a clamping jaw seat arranged at the center of the driven gear, a clamping jaw arm arranged on the clamping jaw seat, a plurality of clamping jaws hinged with the clamping jaw arm, a plurality of springs arranged on the periphery of the plurality of clamping jaws, a plurality of bearings arranged on the inner sides of the plurality of clamping jaws, a push rod arranged in the clamping jaw arm and an air cylinder driving the push rod to advance and retreat; be provided with the locking plate in the gripper arm, be provided with the locking groove on the ejector pin, gripper arm with the ejector pin is through mutually supporting the locking plate with the locking groove links to each other.

2. The rotational positioning apparatus of claim 1, wherein: the middle part of base is provided with the fixed plate, driving motor install in on the fixed plate, the driving gear with driven gear is located respectively the top of fixed plate.

3. The rotational positioning apparatus of claim 1, wherein: the lower part of base is provided with the mounting panel, the cylinder set up in on the mounting panel.

4. The rotational positioning apparatus of claim 1, wherein: the equipartition is provided with a plurality of mounting grooves on the clamping jaw arm, a plurality of clamping jaws are located a plurality of respectively in the mounting groove, it is a plurality of the inboard of clamping jaw is provided with the arc wall respectively.

5. The rotational positioning apparatus of claim 4, wherein: and bearing mounting arms are respectively arranged on the inner side walls of the clamping jaws, and the bearings are hinged with the bearing mounting arms.

6. The rotational positioning apparatus of claim 1, wherein: the top of the ejector rod is conical, and the middle of the ejector rod is provided with a fixed sleeve connected with the driven gear.

7. The rotational positioning apparatus of claim 1, wherein: and the outer side of each clamping jaw is provided with a limiting groove.