Rim fixing device

Abstract

The utility model discloses a wheel rim fixing device which comprises an L-shaped connecting rod, a lower pressing arm, an upper clamping roller, lower clamping rollers, a roller driving motor and a pressing arm driving assembly, the number of the lower clamping rollers is two, and the lower clamping rollers are rotatably arranged at the two ends of a transverse rod of the L-shaped connecting rod respectively and used for supporting a wheel rim to rotate. A lower pressing arm is hinged to the top end of a vertical rod of the L-shaped connecting rod, the upper clamping roller is rotationally arranged at the end of the lower pressing arm and driven by the roller driving motor to rotate, and the upper clamping roller and the lower clamping roller are matched on the vertical plane to form a triangular clamping mechanism to rotationally clamp a rim. The pressing arm driving assembly is used for driving the lower pressing arm to rotate so that the front end of the lower pressing arm can be pressed downwards or warped upwards, and therefore the upper clamping idler wheel can be rotationally clamped on the rim or disengaged from the rim.

Description

TECHNICAL FIELD

[0001] The utility model relates to a paint spraying technical field, concretely relates to a rim fixing device. BACKGROUND

[0002] In modern industry, especially in mechanical manufacturing industry, paint spraying is more widely applied, and the paint spraying equipment on the market is mainly horizontal plane spraying type, especially for annular products, such as bicycle rims, the rim needs to be fixed on a horizontal operation table, and then two times of spraying are carried out on two surfaces, the paint spraying efficiency is slow, uniformity is poor, the technical operation requirement of personnel is relatively high, and it is time-consuming and laborious and poor in effect. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a rim spraying equipment to solve the above problems.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A rim fixing device, including L type connecting rod, lower pressing arm, upper clamping roller, lower clamping roller, roller drive motor and pressure arm drive assembly, the lower clamping roller includes two groups and is rotatably arranged at the both ends of the cross bar of the L type connecting rod for supporting the rim rotation, the vertical rod top of the L type connecting rod is hinged with the lower pressing arm, the upper clamping roller is rotatably arranged at the end of the lower pressing arm and is driven to rotate by the roller drive motor, the upper clamping roller and the lower clamping roller cooperate to form a triangular clamping mechanism in the vertical plane and rotate and clamp the rim, the pressure arm drive assembly is used to drive the lower pressing arm to rotate and make the front end of the lower pressing arm press down or up, so that the upper clamping roller rotates and clamps on the rim or separates from the rim.

[0006] Preferably, the pressure arm drive assembly includes upper connecting frame, hand drive arm, electric push rod, lower connecting frame and control module, the top end of the upper connecting frame is vertically connected to the lower pressing arm, the hand drive arm is hinged to the bottom end of the upper connecting frame, and the length of the hand drive end located in front of the hinge point is greater than the length of the connecting end located behind the hinge point, the lower connecting frame is fixedly arranged on the rod wall of the vertical rod of the L type connecting rod and located below and behind the hand drive arm, the bottom end of the electric push rod is hinged to the lower connecting frame, and the telescopic top end thereof is hinged to the connecting end of the hand drive arm, and the control module is used to control the telescoping of the electric push rod.

[0007] Preferably, the bottom surface of the connecting end is provided with a hinge frame, the telescopic top end of the electric push rod is rotatably connected to the hinge frame, and the bottom end of the electric push rod is provided with a push rod base, and the rear end of the push rod base is rotatably connected to the lower connecting frame.

[0008] Preferably, the front end bottom surface of the pressing arm is provided with an upper rotating support, the upper clamping roller is rotatably arranged on the upper rotating support, and the roller driving motor is fixed on one side of the upper rotating support and has an output shaft connected with the upper clamping roller.

[0009] Preferably, a lower rotating support is arranged on the horizontal rod and located at the front and rear sides of the upper rotating support respectively, and the lower clamping roller is rotatably arranged on the lower rotating support.

[0010] Compared with the background art, the utility model has the following advantages after the above technical scheme is adopted:

[0011] The utility model provides a rim fixing device, through the cooperation of the upper clamping roller and the lower clamping roller arranged on the vertical plane, a triangular clamping mechanism is formed to clamp the rim, and the rim is driven to rotate, so that the operator can conveniently spray both sides at the same time, manual position changing and surface changing operations are not needed, and the efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a structural schematic view of the utility model,

[0013] Fig. 2 It is a partial enlarged view of the pressing arm driving assembly of the utility model. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model is further described in detail below by combining with the drawings and examples.

[0015] It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0016] EMBODIMENT

[0017] Please refer to Figs. 1-2The utility model discloses a rim fixing device, including L type connecting rod 1, press down arm 2, upper clamping gyro wheel 3, lower clamping gyro wheel 4, gyro wheel drive motor 5 and press arm drive component 6, lower clamping gyro wheel 4 includes two groups and is respectively rotationally arranged in the cross bar 11 both ends of L type connecting rod 1 for supporting rim 7 rotation, the vertical rod 12 top of L type connecting rod 1 is hinged with press down arm 2, upper clamping gyro wheel 3 rotationally arranged in the end of press down arm 2 and is driven rotation through gyro wheel drive motor 5, upper clamping gyro wheel 3 and lower clamping gyro wheel 4 form the rotation clamping of rim 7 in vertical plane cooperation triangular clamping mechanism, press arm drive component 6 is used to drive press down arm 2 rotation makes the front end of press down arm 2 press down or be upturned, to make upper clamping gyro wheel 3 rotation clamping on rim 7 or is from rim 7 on the disengagement.

[0018] Press arm drive component 6 includes upper connecting frame 61, hand drive arm 62, electric push rod 63, lower connecting frame 64 and control module (not shown in the drawing), the top of upper connecting frame 61 is connected vertically on press down arm 2, hand drive arm 62 is hinged in the bottom of upper connecting frame 61, and the length of hand drive end 621 located in the front end of hinged point is greater than the length of connecting end 622 located in the rear end of hinged point, lower connecting frame 64 is fixed in the rod wall of vertical rod 12 of L type connecting rod 1 and is located below the rear side of hand drive arm 62, the bottom of electric push rod 63 is hinged on lower connecting frame 64, and the telescopic top is hinged in the connecting end of hand drive arm 62, and control module is used to control the telescopic of electric push rod 63.

[0019] Control module includes a number of operation keys, single-chip microcomputer controller and display panel arranged on the case.

[0020] Through hand drive arm 62 drive press down arm 2 press down or upturn, to carry out rim 7 fixation or replacement, when using, can directly manual drive hand drive arm 62 swing, also can through control module control electric push rod 63 telescopic, to drive hand drive arm 62 swing.

[0021] The bottom surface of connecting end 622 is provided with hinged frame 623, and the telescopic top of electric push rod 63 is rotatably connected to the hinged frame 623, and the bottom of the electric push rod 63 is provided with a push rod base 631, and the rear end of the push rod base 631 is rotatably connected to the lower connecting frame 64.

[0022] The front end of the press down arm 2 is provided with an upper rotary support 21, and the upper clamping gyro wheel 3 is rotatably arranged on the upper rotary support 21, and the gyro wheel drive motor 5 is fixedly arranged on one side of the upper rotary support 21 and connected to the upper clamping gyro wheel 3 through the output shaft.

[0023] A lower rotary support 13 is arranged on the cross bar 11 and located on the front and rear sides of the upper rotary support 21, and the lower clamping gyro wheel 4 is rotatably arranged on the lower rotary support 13.

[0024] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A wheel retention assembly, characterized by: The application relates to a wheel rim rotating and clamping device, which comprises an L-shaped connecting rod, a pressing arm, an upper clamping roller, a lower clamping roller, a roller driving motor and a pressing arm driving assembly.

2. A wheel retention device as defined in claim 1, wherein: The pressing arm driving assembly comprises an upper connecting frame, a hand driving arm, an electric push rod, a lower connecting frame and a control module.

3. A wheel retention assembly as in claim 2, wherein: The bottom surface of the connecting end is provided with a hinged frame, and the telescopic top end of the electric push rod is rotationally connected to the hinged frame.

4. A wheel retention assembly as in claim 1, wherein: The bottom surface of the front end of the pressing arm is provided with an upper rotating support, the upper clamping roller is rotationally arranged on the upper rotating support, and the roller driving motor is fixed to one side of the upper rotating support and connected with the upper clamping roller through an output shaft.

5. A wheel retention device as claimed in claim 4, wherein: The horizontal rod is provided with a lower rotating support on the front and back sides of the upper rotating support, and the lower clamping roller is rotationally arranged on the lower rotating support.

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