CN209921252U

CN209921252U - Device for rotating and positioning angle

Info

Publication number: CN209921252U
Application number: CN201920685761.3U
Authority: CN
Inventors: 王海峰
Original assignee: Ningbo Universal Industry Automation Co Ltd
Current assignee: Ningbo Junpu Intelligent Manufacturing Co., Ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-01-10
Anticipated expiration: 2029-05-14

Abstract

The utility model relates to a rotational positioning device technical field specifically discloses a device of rotational positioning angle, including installation section of thick bamboo (3), installation section of thick bamboo (3) are equipped with two pins (6), pin (6) are used for the card to go into breach (12) of gas generator (1), two pin (6) are through connecting plate (7) fixed connection, the output shaft of a motor (4) is connected in installation section of thick bamboo (3), motor (4) are used for the drive installation section of thick bamboo (3) drive pin (6) rotate, connecting plate (7) upper portion is equipped with spring (8), spring (8) are provided for connecting plate (7) decurrent pressure. The utility model discloses a spring provides the comparatively flexible pressure of pin, the effectual friction that has reduced pin and gas generator, has reduced the wearing and tearing to gas generator's damage and pin.

Description

Device for rotating and positioning angle

Technical Field

The utility model relates to a rotational positioning device technical field, concretely relates to rotational positioning angle's device.

Background

As shown in fig. 1, the gas generator 1 of the automobile airbag needs to be angularly positioned for subsequent assembly of a shorting clip, electrical performance testing, and the like. The edge of the central hole at the top of the gas generator 1 has two notches 12, and the two notches 12 are not located on the same diameter line of the axis 11 of the gas generator 1, so that the angular positioning is generally performed by means of the two notches 12. The existing positioning device adopts a motor to drive two positioning pins to rotate, and simultaneously adopts an air cylinder to provide axial force for the two positioning pins, so that the positioning pins can be inserted into the notches 12 when the two positioning pins are matched with the two notches 12. However, the existing positioning device has more disadvantages: because the force of the positioning pin is larger and constant, the positioning pin generates very large friction relative to the gas generator 1, the product quality is influenced, and potential safety hazards exist; meanwhile, the existing structure has the problems of high cost, complex structure and the like.

In view of the above-mentioned drawbacks, the authors of the present invention have finally obtained the present invention through long-term research and practice.

SUMMERY OF THE UTILITY MODEL

For at least one aspect in solving above-mentioned technical defect to a certain extent, the utility model discloses a technical scheme lie in, provide a device of rotational positioning angle, including an installation section of thick bamboo, an installation section of thick bamboo is equipped with two pins, the pin is used for the card to go into gas generator's breach, two the pin passes through connecting plate fixed connection, the output shaft of a motor is connected to an installation section of thick bamboo, the motor is used for the drive an installation section of thick bamboo drives the pin rotates, connecting plate upper portion is equipped with the spring, the spring is provided for the decurrent pressure of connecting plate.

Optionally, still include photoelectric sensor, be equipped with the light trap on the installation section of thick bamboo, work as the pin card is gone into behind the breach, and when the installation section of thick bamboo was rotatory to a certain position, photoelectric sensor's light passed the light trap, work as the pin is not gone into during the breach, the connecting plate blocks in the middle of the light.

Optionally, the installation section of thick bamboo pass through the connecting rod with the motor the output shaft is connected, the spring suit is in the pin upper end, spring one end is contradicted the connecting plate, and the other end is contradicted the connecting rod.

Optionally, a spring groove is formed in the lower portion of the connecting rod, and the top end of the spring is limited in the spring groove.

Optionally, a plate groove is formed in the upper portion of the installation barrel, a pin hole axially penetrating through the installation barrel is formed in the bottom of the plate groove, the connection plate is installed in the plate groove, and the pin hole is used for containing the pin.

Optionally, a sliding sleeve is arranged between the pin and the inner wall of the pin hole, and the pin can slide up and down relative to the sliding sleeve.

Optionally, a limiting head is arranged at the lower part of the mounting cylinder, and the limiting head is used for extending into the central hole of the gas generator.

Optionally, a groove communicated with the pin hole is formed in the side wall of the limiting head, one side of the pin can be arranged in the groove, and the other side of the pin can protrude out of the outer side wall of the limiting head and is used for clamping the notch.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a spring provides the comparatively flexible pressure of pin, the effectual friction that has reduced pin and gas generator, has reduced the wearing and tearing to gas generator's damage and pin, and the utility model discloses with low costs, simple structure.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a top view of the gas generator of the present invention;

FIG. 2 is an overall structure diagram of the device for rotating the positioning angle according to the present invention;

FIG. 3 is a structural view of the device for rotating a positioning angle of the present invention with the motor removed;

FIG. 4 is a bottom view of FIG. 3;

FIG. 5 is a cross-sectional view taken at E-E of FIG. 4;

FIG. 6 is an exploded view of FIG. 3;

fig. 7 is a first perspective view of the mounting cartridge of the present invention;

fig. 8 is a second view angle of the mounting tube according to the present invention.

Description of reference numerals:

1-gas generator 11-axis 12-gap 2-photoelectric sensor 21-light 3-installation cylinder 31-light hole 32-limiting head 33-plate groove 35-pin hole 4-motor 5-connecting rod 6-pin 7-connecting plate 8-spring 9-sliding sleeve

Detailed Description

To facilitate understanding of the present invention, before starting to describe the structure of the present invention, the structure of the gas generator 1 will be described first in a simple schematic manner. As shown in fig. 1, the device for rotational positioning of an angle of the present invention is used to realize rotational positioning of a gas generator 1 of an airbag for an automobile. The top of the gas generator 1 is provided with a central hole, the edge of the central hole is provided with two notches 12, the centers of the two notches 12 and the axis 11 of the central hole can form a triangle, namely, the connecting line between the two notches 12 is not the diameter of the central hole. The gas generator 1 must be positioned at a desired angle due to the subsequent electrical performance testing and the need for the process of assembling the shorting clip.

The above and further features and advantages of the present invention will be described in more detail below with reference to the accompanying drawings.

In addition, in the embodiments of the present invention, the directional indications (such as upper, lower, left, right, front and rear … …) are mentioned, and the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

If there is a description in an embodiment of the present invention referring to "first", "second", etc., the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

As shown in fig. 2-5, the device for rotating the positioning angle includes a mounting cylinder 3, two pins 6 are disposed in the mounting cylinder 3, and the pins 6 are used for being inserted into the notches 12 of the gas generator 1. The two pins 6 are fixedly connected relatively through the connecting plate 7, so that the position relationship between the two pins 6 is consistent with the position relationship between the two notches 12 of the gas generator 1. The top of the mounting cylinder 3 is connected with an output shaft of a motor 4, and the motor 4 is used for driving the mounting cylinder 3 to drive the pin 6 to rotate. The upper part of the connecting plate 7 is provided with a spring 8, and the spring 8 provides downward pressure for the connecting plate 7. The specific implementation mode is as follows: the motor 4 drives the pins 6 to rotate along the edge of the central hole of the gas generator 1, and due to the tension applied to the upper part of the connecting plate 7 by the spring 8, when two pins 6 are aligned to one notch 12 at the same time, the two pins 6 can be simultaneously clamped into the notches 12 which are aligned to each other, and then the motor drives the gas generator 1 to continuously rotate to a target position. The utility model adopts the spring 8 to apply axial downward force to the pin 6, so that the downward force is more flexible, and the friction between the pin and the top end surface of the gas generator 1 is reduced, namely the damage to the gas generator 1 and the abrasion of the pin 6 are reduced; meanwhile, in the rotary positioning structure, other external driving devices such as an air cylinder and the like are not adopted except the motor 4, so that the cost is effectively saved, and the structure is simplified.

Referring to fig. 3-6, preferably, the device for rotating and positioning the angle of the present invention further includes a fixedly installed photoelectric sensor 2. The mounting cylinder 3 is provided with a light hole 31, and the light hole 31 is a through hole penetrating through the mounting cylinder 3. After the pin 6 is clamped into the notch 12, when the mounting cylinder 3 rotates to a certain position, the light 21 of the photoelectric sensor 2 can pass through the light hole 31; when the pin 6 is not engaged in the notch 12, the connecting plate 7 is blocked in the middle of the light 21, i.e. the light 21 cannot pass through the light-transmitting hole 31 no matter the mounting barrel 3 is rotated to any position. The utility model discloses a photoelectric sensor 2 is used for realizing going into gas generator 1's location, goes into breach 12 back when 6 cards of pin, and the motor drives gas generator 1 and continues to rotate, detects the signal to photoelectric sensor 2, and the motor rotates the angle of settlement again, can realize gas generator 1's location. The design of photoelectric sensor 2 and light trap 31 can be enough realized whether the detection of breach 12 is gone into to pin 6 in this embodiment, can provide positioning signal again, and design benefit saves spare part.

Referring to fig. 5-8, the mounting barrel 3 is a cylindrical structure, the top surface of the mounting barrel 3 is provided with a kidney-shaped plate groove 33, the bottom of the plate groove 33 is provided with two pin holes 35 axially penetrating through the mounting barrel 3, and the pin holes 35 are used for accommodating the pins 6. The connecting plate 7 is arranged in the plate groove 33, two ends of the connecting plate 7 are respectively fixedly connected with a pin 6, the lower part of the pin 6 penetrates into the pin hole 35, and the upper part of the pin 6 protrudes out of the upper top surface of the connecting plate 7. The top of the mounting cylinder 3 is fixedly provided with a connecting rod 5, and the upper part of the connecting rod 5 is fixedly connected with an output shaft of the motor 4. Spring 8 suit is in the upper end of

6, and 8 one ends of spring are contradicted connecting plate 7, and the 8 other ends of spring are contradicted connecting rod 5. When the positions of the two pins 6 correspond to the positions of the two notches 12, the tension of the spring 8 can push the connecting plate 7 to drive the pins 6 to move downwards until the pins 6 are clamped into the corresponding notches 12.

Preferably, the lower bottom surface of the connecting rod 5 is provided with a spring groove, and the top end of the spring 8 is limited in the spring groove. Reducing the skew deformation of the spring 8.

As shown in fig. 5, 6 and 7, a sliding sleeve 9 is provided between the pin 6 and the inner wall of the pin hole 35. The sliding sleeve 9 is located in the pin hole 35, the sliding sleeve 9 and the pin hole 35 are coaxial, and the bottom of the pin hole 35 is provided with a step which can support the sliding sleeve 9 to limit the sliding sleeve 9 in the pin hole 35. The pin 6 is located in the sliding sleeve 9 and can slide up and down relative to the sliding sleeve 9. The sliding sleeve 9 reduces the resistance of the pin 6 to move up and down, reduces the friction between the pin 6 and the gas generator 1, and is convenient for the pin 6 to be clamped into the notch 12.

As shown in fig. 8, a limiting head 32 is fixedly arranged at the lower part of the mounting cylinder 3, and the limiting head 32 is used for extending into a central hole at the top of the gas generator 1. Spacing head 32 is cylindric, is equipped with the arc recess with the pinhole 35 intercommunication of pin on the lateral wall of spacing head 32, and after the breach 12 was gone into to the 6 card of pin, a part lateral wall of pin 6 did not in the arc recess, another part lateral wall protrusion in spacing head 32 of 6 of pin is used for blocking breach 12. The limiting head 32 can play a role in supporting and limiting when the pin 6 is driven by the motor to rotate and position the gas generator 1, so that the deformation of the pin 6 due to torsion is reduced.

The foregoing is only a preferred embodiment of the present invention, which is illustrative, not limiting. Those skilled in the art will appreciate that many variations, modifications, and equivalents may be made thereto without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a device of rotational positioning angle, its characterized in that, including installation section of thick bamboo (3), installation section of thick bamboo (3) are equipped with two pins (6), pin (6) are used for going into breach (12) of going into gas generator (1), two pin (6) are through connecting plate (7) fixed connection, the output shaft of a motor (4) is connected in installation section of thick bamboo (3), motor (4) are used for the drive installation section of thick bamboo (3) drive pin (6) rotate, connecting plate (7) upper portion is equipped with spring (8), spring (8) provide connecting plate (7) decurrent pressure.

2. The device for rotating and positioning the angle is characterized in that the device further comprises a photoelectric sensor (2), a light hole (31) is formed in the installation cylinder (3), when the pin (6) is clamped into the notch (12) and the installation cylinder (3) rotates to a certain position, the light (21) of the photoelectric sensor (2) passes through the light hole (31), and when the pin (6) is not clamped into the notch (12), the connecting plate (7) blocks the middle of the light (21).

3. The device for rotating and positioning the angle according to claim 2, characterized in that the mounting cylinder (3) is connected with the output shaft of the motor (4) through a connecting rod (5), the spring (8) is sleeved on the upper end of the pin (6), one end of the spring (8) is abutted against the connecting plate (7), and the other end is abutted against the connecting rod (5).

4. The device for rotating and positioning the angle according to claim 3, characterized in that the lower part of the connecting rod (5) is provided with a spring groove, and the top end of the spring (8) is limited in the spring groove.

5. The device for rotating and positioning the angle according to claim 3, characterized in that the upper part of the mounting cylinder (3) is provided with a plate groove (33), the bottom of the plate groove (33) is provided with a pin hole (35) which axially penetrates through the mounting cylinder (3), the connecting plate (7) is installed in the plate groove (33), and the pin hole (35) is used for accommodating the pin (6).

6. The device for rotating and positioning the angle according to claim 5, characterized in that a sliding sleeve (9) is arranged between the pin (6) and the inner wall of the pin hole (35), and the pin (6) can slide up and down relative to the sliding sleeve (9).

7. The device for angular rotational positioning according to claim 5, characterized in that the mounting cylinder (3) is provided at its lower part with a stopper (32), the stopper (32) being adapted to protrude into the central bore of the gas generator (1).

8. The device for rotating the positioning angle according to claim 7, characterized in that the side wall of the limiting head (32) is provided with a groove communicated with the pin hole (35), one side of the pin (6) can be hidden in the groove, and the other side of the pin protrudes out of the outer side wall of the limiting head (32) and is used for clamping the notch (12).