Model wheel axle automatic assembling machine

Abstract

The utility model relates to an automatic assembling machine for a model wheel axle. The automatic assembling machine comprises a rotary axle feeding mechanism, an axle feeding positioning mechanism and a string wheel forming mechanism, in the rotary axle feeding mechanism, when an axle slides into a rotary groove from an axle sliding rail, the rotary groove is driven by a rotary table to rotate, the axle is aligned with an axle feeding ejector pin, then a first axle feeding driving device drives the axle feeding ejector pin to move linearly, the axle is fed into a first axle clamping block of the axle feeding positioning mechanism, and at the moment, the axle is clamped by the first axle clamping block; the second axle feeding driving device drives the first axle clamping block to move along a straight line, and the axle is fed into the second axle clamping block; when a wheel enters a wheel containing groove of the wheel stringing forming mechanism, the two sides of the wheel are jointly blocked by the minute wheel guide check block and the wheel feeding ejector rod, after an axle is fed into the second axle clamping block, the minute wheel guide check block moves to relieve abutting connection with the wheel, then the wheel feeding ejector rod is driven by the wheel feeding driving device, the wheel is stringed into the two sides of the axle, and assembly of the axle is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic equipment technical field, concretely relates to a model car wheel axle automatic assembly machine. BACKGROUND

[0002] The wheel and axle assembly of the existing automobile model usually needs manual assembly with the help of a fixture, which is inefficient and labor-intensive. SUMMARY

[0003] Therefore, the model car wheel axle automatic assembly machine can realize automatic production and improve production efficiency.

[0004] A model car wheel axle automatic assembly machine, comprising a rotating shaft feeding mechanism, a shaft positioning mechanism and a wheel forming mechanism.

[0005] The rotating shaft feeding mechanism comprises an axle slide rail, a rotating groove, a rotating table, a shaft feeding needle and a first shaft feeding drive device, the axle slide rail abuts against the rotating groove, the rotating groove is fixedly connected with the rotating table, the rotating table is used for driving the rotating groove to rotate, the shaft feeding needle is fixedly connected with the first shaft feeding drive device, and the first shaft feeding drive device is used for driving the shaft feeding needle to move linearly and push the axle out of the rotating groove.

[0006] The shaft positioning mechanism comprises a first axle clamp block, a second shaft feeding drive device and a second axle clamp block, the first axle clamp block is fixedly connected with the second shaft feeding drive device, the first axle clamp block is located on the side of the advancing direction of the shaft feeding needle, when the shaft feeding needle linearly moves and pushes the axle to pass through the rotating groove, the axle is in contact with and fixed to the first axle clamp block, the second shaft feeding drive device is used for driving the first axle clamp block to move linearly to the opposite side of the second axle clamp block, so that the first axle clamp block and the second axle clamp block form an axle clamping cavity, and the second axle clamp block is located on the extension line of the movement direction of the second shaft feeding drive device.

[0007] The string wheel forming mechanism has two groups, each group of the string wheel forming mechanism comprises a wheel containing groove, a split wheel guide block, a wheel feeding ejector rod and a wheel feeding driving device, and the two groups of the string wheel forming mechanism are symmetrically arranged on the two sides of the second axle clamp block respectively; the two wheel feeding ejector rods are coaxial and the axis line penetrates the axle clamping cavity, and the wheel containing groove is used for supporting the wheel; the split wheel guide block is located above the wheel containing groove and is located on the vertical plane of the axis line and can move along the vertical plane; when the second axle clamp block does not clamp the axle, the split wheel guide block and the wheel feeding ejector rod abut against the opposite sides of the wheel respectively, and when the axle is located in the axle clamping cavity, the split wheel guide block moves to release the abutment against the wheel; the wheel feeding ejector rod is fixedly connected with the wheel feeding driving device, and when the split wheel guide block releases the abutment against the wheel, the wheel feeding driving device drives the wheel feeding ejector rod to move in the axial linear direction, and pushes the wheel into the axle.

[0008] The working principle of the utility model is as follows: when the axle slides into the rotating groove from the axle slide rail, the rotating groove rotates under the driving of the rotating table, the axle is aligned with the axle feeding ejector pin, then the first axle feeding driving device drives the axle feeding ejector pin to move in a straight line, the axle is fed into the first axle clamp block, at this time the axle is clamped by the first axle clamp block, then the second axle feeding driving device drives the first axle clamp block to move in a straight line, the axle is fed into the second axle clamp block, at this time the first axle clamp block and the second axle clamp block are folded to form the axle clamping cavity to clamp the axle together; after the wheel enters the wheel containing groove, the opposite sides are blocked by the split wheel guide block and the wheel feeding ejector rod, so that the wheel is prevented from tilting, when the axle is located in the axle clamping cavity, the split wheel guide block moves to release the abutment against the wheel, then the wheel feeding driving device drives the wheel feeding ejector rod to feed the wheel into the two sides of the axle, the quick assembly of the wheel axle is completed, the assembly efficiency is improved, and the labor intensity of workers is reduced.

[0009] As a preferred scheme, the string wheel forming mechanism further comprises a pressure wheel guide block, the pressure wheel guide block is located directly above the two wheel containing grooves and can move in the vertical direction. When the axle is fed into the second axle clamp block, the pressure wheel guide block moves vertically downward and abuts against the wheels on the two sides, then the split wheel guide block leaves the wheel containing groove, and then the wheel feeding driving device drives the wheel feeding ejector rod to feed the wheels into the two sides of the axle, so that the assembly of the wheel axle is completed.

[0010] As a preferred scheme, the rotating axle feeding mechanism further comprises a first axle limiting sensor, and the first axle limiting sensor is located on the extension line of the axle slide rail. The first axle limiting sensor can sense whether the axle completely enters the rotating groove from the axle slide rail.

[0011] As a preferred solution, the axle positioning mechanism further comprises a second axle limiting sensor, which is located on the extension line of the axle push pin. The second axle limiting sensor can sense whether the axle push pin is pushed to the right position when pushing the axle.

[0012] As a preferred solution, the axle positioning mechanism further comprises a width limiting baffle, which is located between the first axle clamp block and the second axle clamp block. If the axle deviates in the left-right direction when being sent to the second axle clamp block, it will be blocked by the width limiting baffle and cannot be sent into the second axle clamp block.

[0013] As a preferred solution, the first axle clamp block is provided with a magnet. If the axle has magnetism, the magnet can further fix the axle to prevent the axle from deviating left and right during the movement of the first axle clamp block.

[0014] As a preferred solution, the model wheel axle automatic assembly machine further comprises a main frame, and the rotating axle feeding mechanism, the axle positioning mechanism, and the wheel forming mechanism are fixed on the main frame. The main frame is provided with a wheel feeding slot, a finished product discharge port, a circuit control system, and a function control screen. The wheel feeding slot has two groups, which are connected with the wheel containing slots respectively, and the finished product discharge port is located between the two groups of wheel containing slots. The wheel feeding slot can continuously send the wheels into the wheel containing slots. After the wheel axle assembly is completed, the first axle clamp block and the second axle clamp block are loosened, and the wheel axle falls into the finished product discharge port under the action of gravity, completing the collection of the wheel axle. The function control screen is used to adjust the parameter settings of each device, and the circuit control system is used to control the switch of each device.

[0015] As a preferred solution, the model wheel axle automatic assembly machine further comprises an axle feeding and screening device and a wheel feeding and screening device. The output end of the axle feeding and screening device is connected with the axle slide rail, and the output end of the wheel feeding and screening device is connected with the two groups of wheel feeding slots respectively. The axle feeding and screening device and the wheel feeding and screening device are in the shape of a funnel, and both are provided with a screening track. The axle feeding and screening device is further provided with a vibration generator. Through the screening track, the axles or wheels with shapes not meeting the requirements can fall into the funnel. Under the action of the vibration generator, the axle feeding and screening device can make the axles gradually rise through the vibration principle, push the axles along the irregular screening track (special obstacles are set at certain positions according to the product shape, thereby identifying the products required in the correct orientation), so that only the axles meeting the orientation requirements can be sent into the axle slide rail.

[0016] As a preferred solution, the axle slide rail and the wheel feeding slot are provided with a weight sensor. The weight sensor can confirm whether the axle feeding and screening device and the wheel feeding and screening device are working continuously.

[0017] As a preferred solution, the rotating table is a rotating cylinder, the rotating groove is a rotating flange, and the first axle feeding driving device, the second axle feeding driving device and the wheel feeding driving device are cylinders. BRIEF DESCRIPTION OF DRAWINGS

[0018] For better understanding and implementation, the following will be described in detail in conjunction with the drawings. The scope of protection of the present application is not limited to the following content.

[0019] Fig. 1 It is a schematic diagram of the overall structure of a model vehicle axle automatic assembly machine.

[0020] Fig. 2 It is a schematic diagram of a rotating axle feeding mechanism of a model vehicle axle automatic assembly machine.

[0021] Fig. 3 It is a schematic diagram of an axle feeding positioning mechanism of a model vehicle axle automatic assembly machine.

[0022] Fig. 4 It is a schematic diagram of a tandem wheel forming mechanism of a model vehicle axle automatic assembly machine.

[0023] Wherein: 1-rotating axle feeding mechanism, 2-axle feeding positioning structure, 3-tandem wheel forming mechanism, 4-main frame, 5-axle feeding and screening device, 6-wheel feeding and screening device, 11-axle sliding rail, 12-axle rotating flange, 13-rotating cylinder, 14-axle feeding needle, 15-first axle feeding cylinder, 16-first axle limiting sensor, 21-first axle clamping block, 211-magnet, 22-second axle feeding cylinder, 23-second axle limiting sensor, 24-width limiting baffle, 25-second axle clamping block, 31-wheel containing groove, 32-spoke guide block, 33-wheel feeding rod, 34-wheel feeding cylinder, 35-pressing wheel guide block, 41-wheel feeding groove, 42-finished product discharge port, 43-function control screen. DETAILED DESCRIPTION

[0024] In the description of the embodiments of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0025] As Figs. 1-4As shown, a model wheel axle automatic assembly machine comprises a rotating axle feeding mechanism 1, an axle positioning mechanism 2, a string wheel forming mechanism 3, a main frame 4, an axle feeding and screening device 5, and a wheel feeding and screening device 6.

[0026] The rotating axle feeding mechanism 1 comprises an axle sliding rail 11, an axle rotating flange 12, a rotating cylinder 13, an axle feeding needle 14, a first axle feeding cylinder 15, and a first axle limiting sensor 16. The axle sliding rail 11 abuts against the axle rotating flange 12, and is further provided with a weight sensor. The axle rotating flange 12 is fixedly connected with the rotating cylinder 13 and rotates through the rotating cylinder 13. The axle feeding needle 14 is fixedly connected with the first axle feeding cylinder 15, which is used to drive the axle feeding needle 14 to move linearly and push the axle out of the axle rotating flange 12. The first axle limiting sensor 16 is located on the extension line of the axle sliding rail 11.

[0027] The axle positioning mechanism 2 comprises a first axle clamping block 21, a second axle feeding cylinder 22, a second axle limiting sensor 23, a width limiting baffle 24, and a second axle clamping block 25. The first axle clamping block 21 is fixedly connected with the second axle feeding cylinder 22 and is located on the side of the advancing direction of the axle feeding needle 14. When the axle feeding needle 14 linearly moves to push the axle to pass through the rotating flange 12, the axle is contacted and fixed on the first axle clamping block 21, which is provided with a magnet 211 for attracting the magnetic axle. The second axle feeding cylinder 22 is used to drive the first axle clamping block 21 to move linearly and abut against the second axle clamping block 25, and to fold with the second axle clamping block 25 to form an axle clamping cavity. The second axle clamping block 25 is located on the extension line of the moving direction of the second axle feeding cylinder 22. The second axle limiting sensor 23 is located on the extension line of the axle feeding needle 14. The extension line of the axle sliding rail 11 and the extension line of the axle feeding needle 14 form an angle of 90°. The width limiting baffle 24 is located between the first axle clamping block 21 and the second axle clamping block 25.

[0028] The string wheel forming mechanism 3 comprises wheel accommodating grooves 31, pinion guide blocks 32, wheel pushing jacks 33, wheel pushing cylinders 34 and pressure wheel guide blocks 35, wherein the wheel accommodating grooves 31, the pinion guide blocks 32, the wheel pushing jacks 33 and the wheel pushing cylinders 34 are each two groups and are symmetrically arranged on the two sides of the second axle clamping block 25; the two groups of wheel pushing jacks 33 are coaxial and the axis line penetrates the axle clamping cavity, the wheel accommodating groove 31 is located directly below the wheel pushing jack 33 and is used for supporting the wheel, the pinion guide block 32 is located above the wheel accommodating groove 31, the pinion guide block 32 is located on the vertical plane of the axis line of the wheel pushing jack 33 and can move along the vertical plane; the wheel pushing jack 33 is fixedly connected with the wheel pushing cylinder 34 and is driven by the wheel pushing cylinder 34 to move linearly along the axial direction, and the pressure wheel guide block 35 is located directly above the two groups of wheel accommodating grooves 31 and can move along the vertical direction; specifically, the wheel accommodating groove 31 can be a U-shaped groove or a V-shaped groove, and the V-shaped groove is selected in the utility model, the wheel has two tangent planes when contacting with the V-shaped groove, a moderate friction force is generated, when the pinion guide block 32 leaves the V-shaped groove and the pressure wheel guide block 35 is pressed downward, a third tangent plane is generated, at this moment, the force is uniform, the wheel is prevented from tilting, and the wheel is conveniently pushed into the axle.

[0029] The rotating axle feeding mechanism 1, the axle positioning mechanism 2 and the string wheel forming mechanism 3 are fixed on the main frame 4; the main frame 4 is provided with wheel feeding grooves 41, finished product discharge ports 42, a circuit control system and a function control screen 43, the wheel feeding grooves 41 are two groups and are connected with the wheel accommodating grooves 31 respectively, and the wheel feeding grooves 41 are provided with weight sensors; the finished product discharge ports 42 are located between the two groups of wheel accommodating grooves 31.

[0030] The output end of the axle feeding and screening device 5 is connected with the axle sliding rail 11, the axle feeding and screening device 5 is provided with a vibration generator at the bottom, and the output ends of the wheel feeding and screening devices 6 are connected with the two groups of wheel feeding grooves 31 respectively; the axle feeding and screening device 5 and the wheel feeding and screening device 6 are funnel-shaped, and the axle feeding and screening device 5 and the wheel feeding and screening device 6 are all provided with screening tracks.

[0031] The working principle of the utility model is as follows: the parameters of each device are adjusted through the function control screen 43, the circuit control system controls the switch of each device, after debugging, the axle feeding and screening device 5 is gradually lifted through the vibration principle under the action of the vibration generator, the axle is pushed along the irregular screening track, the axle meeting the orientation requirement is sent into the axle sliding rail 11, the wheel feeding and screening device 6 screens the wheel meeting the shape and sends the wheel into the wheel feeding groove 41, the axle wheel not meeting the shape or direction requirement falls into the funnel, and the axle sliding rail 11 and the wheel feeding groove 41 are all provided with weight sensors to monitor whether the axle feeding and screening device 5 and the wheel feeding and screening device 6 continuously work.

[0032] When the axle slides into the axle rotating flange 14 from the axle slide rail 11 and the axle is completely entered into the axle rotating flange 12 sensed by the first axle limit sensor 16, the axle rotating flange 12 rotates 90° under the drive of the rotating cylinder 13, aligns the axle with the axle feeding needle 14, then the first axle feeding cylinder 15 drives the axle feeding needle 14 to move linearly, feeds the axle into the first axle clamping block 21, and the second axle limit sensor 23 senses that the axle is pushed into place, then the first axle feeding cylinder 15 and the rotating cylinder 13 are reset respectively, drive the axle feeding needle 14 and the rotating flange 12 to reset, at this time the axle is clamped by the first axle clamping block 21; then the second axle feeding cylinder 22 drives the first axle clamping block 21 to move linearly, passes through the width limit baffle 24, and is fed into the second axle clamping block 25, at this time the first axle clamping block 21 and the second axle clamping block 25 are folded to form an axle clamping cavity to clamp the axle together, and the axle is coaxial with the axle center of the two side wheel feeding jacks 33.

[0033] When the axle is fed into the wheel containing groove 31 from the wheel feeding groove 41, if the second axle clamping block 25 does not clamp the axle, the wheel separating guide block 32 and the wheel feeding jack 33 abut against the opposite sides of the wheel respectively to prevent tilting; if the axle is located in the axle clamping cavity, the wheel separating guide block 32 moves vertically downward to abut against the wheels on both sides, then the wheel separating guide block 32 moves to release the abutment against the wheels, and then the wheel feeding cylinder 34 drives the wheel feeding jack 33 to string the wheels on both sides of the axle, completing the assembly of the wheel axle. After the wheel axle assembly is completed, the first axle clamping block 21 and the second axle clamping block 25 are loosened, and the assembled wheel axle falls into the finished product discharge port 42 under the action of gravity, completing the collection of the wheel axle.

[0034] The above embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model.

Claims

1. An automatic assembly machine for model wheel axles, characterized in that, This includes a rotary shaft feeding mechanism, a shaft feeding positioning mechanism, and a wheel forming mechanism; The rotary axle feeding mechanism includes an axle slide rail, a rotary groove, a rotary table, a axle feeding pin, and a first axle feeding drive device. The axle slide rail abuts against the rotary groove, the rotary groove is fixedly connected to the rotary table, and the rotary table is used to drive the rotary groove to rotate. The axle feeding pin is fixedly connected to the first axle feeding drive device, and the first axle feeding drive device is used to drive the axle feeding pin to move in a straight line to push the axle out of the rotary groove. The axle feeding and positioning mechanism includes a first axle clamping block, a second axle feeding drive device, and a second axle clamping block. The first axle clamping block is fixedly connected to the second axle feeding drive device. The first axle clamping block is located to the side of the axle feeding ejector pin in the forward direction. When the axle feeding ejector pin moves linearly, it pushes the axle through the rotating groove, and the axle contacts and is fixed to the first axle clamping block. The second axle feeding drive device is used to drive the first axle clamping block to move linearly to the opposite side of the second axle clamping block, so that the first axle clamping block and the second axle clamping block form an axle clamping cavity. The second axle clamping block is located on the extension line of the movement direction of the second axle feeding drive device. The wheel forming mechanism comprises two sets, each set including a wheel receiving groove, a wheel guide block, a wheel feeding rod, and a wheel feeding drive device. The two sets of wheel forming mechanisms are symmetrically arranged on both sides of the second axle clamping block. The two sets of wheel feeding rods are coaxial, with their axes passing through the axle clamping cavity. The wheel receiving groove is used to support the wheel. The wheel guide block is located above the wheel receiving groove and is situated on a plane perpendicular to the axis, allowing it to move along the vertical plane. When the second axle clamping block does not clamp the axle, the wheel guide block and the wheel feeding rod abut against opposite sides of the wheel. When the axle is within the axle clamping cavity, the wheel guide block moves to release its contact with the wheel. The wheel feeding rod is fixedly connected to the wheel feeding drive device. When the wheel guide block releases its contact with the wheel, the wheel feeding drive device drives the wheel feeding rod to move axially in a linear motion, pushing the wheel into the axle.

2. The automatic assembly machine for model wheel axles according to claim 1, characterized in that, The wheel forming mechanism also includes a pressure roller guide block, which is located directly above the two sets of wheel receiving grooves and can move in the vertical direction.

3. The automatic assembly machine for model wheel axles according to claim 1, characterized in that, The rotary axle feeding mechanism also includes a first axle limit sensor, which is located on the extension line of the axle slide rail.

4. The automatic assembly machine for model wheel axles according to claim 1, characterized in that, The axle feeding positioning mechanism also includes a second axle limit sensor, which is located on the extension line of the axle feeding pin.

5. The automatic assembly machine for model wheel axles according to claim 1, characterized in that, The axle positioning mechanism further includes a width limiting baffle, which is located between the first axle clamping block and the second axle clamping block.

6. The automatic assembly machine for model wheel axles according to claim 5, characterized in that, The first axle clamping block is equipped with a magnet.

7. The automatic assembly machine for model wheel axles according to claim 1, characterized in that, It also includes a main frame, on which the rotating shaft feeding mechanism, shaft feeding positioning mechanism and wheel forming mechanism are fixed; the main frame is provided with a wheel feeding groove, a finished product discharge port, a circuit control system and a function control panel, there are two sets of wheel feeding grooves, which are respectively connected to the wheel receiving grooves, and the finished product discharge port is located between the two sets of wheel receiving grooves.

8. The automatic assembly machine for model wheel axles according to claim 7, characterized in that, It also includes an axle feeding and screening device and a wheel feeding and screening device. The output end of the axle feeding and screening device is connected to the axle slide rail, and the output end of the wheel feeding and screening device is connected to two sets of wheel feeding grooves respectively. The axle feeding and screening device and the wheel feeding and screening device are funnel-shaped. Both the axle feeding and screening device and the wheel feeding and screening device are equipped with screening rails. The bottom of the axle feeding and screening device is also equipped with a vibration generator.

9. The automatic assembly machine for model wheel axles according to claim 8, characterized in that, The axle slide rail and wheel feed chute are equipped with weight sensors.

10. The automatic assembly machine for model wheel axles according to claim 1, characterized in that, The rotary table is a rotary cylinder, the rotary groove is a rotary flange, and the first shaft feeding drive device, the second shaft feeding drive device, and the wheel feeding drive device are cylinders.

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