CN211362331U

CN211362331U - Tire clamping arm

Info

Publication number: CN211362331U
Application number: CN201922180630.2U
Authority: CN
Inventors: 黄振芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-08-28
Anticipated expiration: 2029-12-06

Abstract

The utility model provides a tire centre gripping arm, including the main frame, the main frame lower part is equipped with the centre gripping arm subassembly that two symmetries removed relatively, be equipped with the drive assembly that drive centre gripping arm subassembly removed in the main frame, the centre gripping arm subassembly includes that the lower extreme is used for embracing the centre gripping arm of tire, the centre gripping arm includes the flexion of middle straight section and straight section both ends to the horizontal slope of central outside symmetry. The utility model provides a clamping device to cake formula structures such as tire of multiple spot face contact, simple structure centre gripping is stable high-efficient, is important structural component in the automobile assembling field.

Description

Tire clamping arm

Technical Field

The invention relates to the field of mechanical clamping, in particular to a tire clamping arm.

Background

Mechanical clamping is a troublesome task for annular or circular products such as tires. Due to the thin structural characteristic, the tire is easy to incline and drop after the clamping plates on the two sides move relatively, the main reason is that the tire is only in point-surface contact with the clamping plates, the clamping plates symmetrical on the two sides form two point-surface contacts, the clamping device is an unstable clamping structure, and how to provide the clamping device aiming at the tire and capable of being in a round cake type structure is the direction needed to be researched by people.

Disclosure of Invention

The invention provides a tire clamping arm, which solves the problems in the prior art.

The technical scheme of the invention is realized as follows:

the tire clamping arm comprises a main frame, two clamping arm assemblies which move symmetrically are arranged on the lower portion of the main frame relatively, a driving assembly which drives the clamping arm assemblies to move is arranged in the main frame, each clamping arm assembly comprises a clamping arm of which the lower end is used for holding a tire, and each clamping arm comprises a middle straight section and a bent portion, wherein the two ends of the middle straight section symmetrically and horizontally incline towards the outer side of the center.

According to the preferable scheme of the invention, a screw rod assembly is arranged in the main frame along the movement direction, the screw rod assembly comprises a driving motor in the middle and screw rods with opposite screw thread directions at two ends of the motor, and nuts are sleeved on the two screw rods.

As a preferable scheme of the invention, the left side edge and the right side edge of the main frame, which take the screw rod as an axis, are provided with an upward upper baffle and a downward lower baffle, the upper baffle is provided with a hollowed upper window at a corresponding position, the middle part of a connecting plate is fixedly connected with a corresponding nut, and two ends of the connecting plate extend out of the upper window and are fixedly connected with the clamping arm assembly.

As the preferable scheme of the invention, the clamping arm assembly comprises a clamping base, the middle part of the clamping base is connected with the driving assembly through a linkage plate, and the clamping arms are fixed at two ends of the clamping base.

As a preferable scheme of the invention, a guide wheel with a vertically-arranged rotating shaft is fixed at the free end of the clamping arm, and a proximity switch is fixed on a fixed frame outside the guide wheel.

As a preferable scheme of the present invention, a guide rail disposed along a screw rod direction is fixed on a lower surface of the main frame, and an upper surface of the clamping base is clamped on the guide rail.

In a preferred embodiment of the present invention, a suspension base is fixed to an upper portion of the main frame, and a linkage gear is installed in the suspension base.

As a preferred scheme of the present invention, a driving synchronous pulley set is fixed at the upper part of the main frame, and the driving synchronous pulley set includes a driving pulley and a motor for driving the driving pulley.

As a preferable aspect of the present invention, an inductive switch is fixed to one end of the main frame.

Has the advantages that:

the tire clamping arm comprises a main frame, two clamping arm assemblies which move symmetrically are arranged on the lower portion of the main frame relatively, a driving assembly which drives the clamping arm assemblies to move is arranged in the main frame, each clamping arm assembly comprises a clamping arm of which the lower end is used for holding a tire, and each clamping arm comprises a middle straight section and a bent portion, wherein the two ends of the middle straight section symmetrically and horizontally incline towards the outer side of the center. The invention provides a multi-point surface contact clamping device for round cake type structures such as tires, which is simple in structure, stable and efficient in clamping and is an important structural component in the field of automobile assembly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic view of the structure of the present invention.

In the figure, a main frame 1, an upper baffle 11, a lower baffle 12, an upper window 13, a driving assembly 2, a screw rod 21, a nut 22, a connecting plate 23, a clamping base 3, a clamping arm 31, a guide wheel 32, a proximity switch 33, a linkage plate 34, a guide rail 4, a suspension base 5, a linkage gear 51, a driving synchronous pulley group 6, a driving wheel 61, a motor 62 and an induction switch 63.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The tire clamping arm as shown in fig. 1 and fig. 2 comprises a main frame 1, wherein two clamping arm assemblies which move symmetrically are oppositely arranged at the lower part of the main frame 1, a driving assembly 2 which drives the clamping arm assemblies to move is arranged in the main frame 1, the clamping arm assemblies comprise clamping arms 31 of which the lower ends are used for holding a tire, and each clamping arm 31 comprises a middle straight section and bent parts of which the two ends are symmetrically and horizontally inclined towards the outer side of the center.

A screw rod assembly is arranged in the main frame 1 along the movement direction, the screw rod assembly comprises a driving motor in the middle and screw rods 21 with opposite screw thread directions at two ends of the motor, and nuts 22 are sleeved on the two screw rods.

The main frame 1 uses the lead screw as the left and right sides limit of axle to be equipped with top board 11 and the lower baffle 12 of below to the top, top board 11 corresponds the position and is equipped with fretwork last window 13, a connecting plate 23 middle part with correspond nut 22 fixed connection, the connecting plate 23 both ends stretch out last window 13 and are connected fixedly with the centre gripping arm subassembly.

The clamping arm assembly comprises a clamping base 3, the middle part of the clamping arm assembly is connected with the driving assembly 2 through a linkage plate 34, and the clamping arms 31 are fixed at two ends of the clamping base 3.

The free end of the clamping arm 31 is fixed with a guide wheel 32 with a vertically-arranged rotating shaft, and a proximity switch 33 is fixed on a fixed frame outside the guide wheel 32.

And a guide rail 4 arranged along the direction of the screw rod is fixed on the lower surface of the main frame 1, and the upper surface of the clamping base 3 is clamped on the guide rail 4.

A suspension seat 5 is fixed on the upper part of the main frame 1, and a linkage gear 51 is installed in the suspension seat 5.

A driving synchronous pulley set 6 is fixed on the upper part of the main frame 1, and the driving synchronous pulley set 6 comprises a driving wheel 61 and a motor 62 for driving the driving wheel 61.

An inductive switch 63 is fixed to one end of the main frame 1.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. Tire centre gripping arm, including main frame (1), its characterized in that, main frame (1) lower part is equipped with two symmetrical centre gripping arm subassemblies that move relatively, be equipped with drive assembly (2) that drive centre gripping arm subassembly removed in main frame (1), centre gripping arm subassembly includes that the lower extreme is used for embracing the centre gripping arm (31) of tire, centre gripping arm (31) include the flexion of the horizontal slope of middle straight section and straight section both ends to the outside symmetry of center.

2. The tire gripping arm according to claim 1, characterized in that a lead screw assembly is arranged in the main frame (1) along the moving direction, the lead screw assembly comprises a driving motor in the middle and lead screws (21) with opposite thread directions at the two ends of the motor, and nuts (22) are sleeved on the two lead screws.

3. The tire clamping arm according to claim 2, wherein the left side and the right side of the main frame (1) with the screw rod as the shaft are provided with an upward upper baffle (11) and a downward lower baffle (12), the upper baffle (11) is provided with a hollowed upper window (13) at the corresponding position, the middle part of a connecting plate (23) is fixedly connected with a corresponding nut (22), and two ends of the connecting plate (23) extend out of the upper window (13) and are fixedly connected with the clamping arm assembly.

4. The tire clamping arm according to claim 1 or 3, characterized in that the clamping arm assembly comprises a clamping base (3) connected with the driving assembly (2) at the middle part through a linkage plate (34), and the clamping arm (31) is fixed at two ends of the clamping base (3).

5. The tire gripping arm according to claim 4, characterized in that the free end of the gripping arm (31) is fixed with a guide wheel (32) with a vertically set rotating shaft, and a proximity switch (33) is fixed on the fixed frame outside the guide wheel (32).

6. Tyre gripping arm according to claim 4, characterized in that a guide (4) placed in the direction of the screw is fixed on the lower surface of the main frame (1), the upper surface of the gripping base (3) being snapped onto the guide (4).

7. The tire gripping arm according to claim 1, characterized in that a suspension base (5) is fixed on the upper part of the main frame (1), and a linkage gear (51) is installed in the suspension base (5).

8. The tire gripping arm according to claim 1, characterized in that a driving timing pulley set (6) is fixed on the upper part of the main frame (1), and the driving timing pulley set (6) comprises a driving wheel (61) and a motor (62) for driving the driving wheel (61).

9. The tire gripping arm according to claim 8, characterized in that an inductive switch (63) is fixed to one end of the main frame (1).