KR101131041B1 - Apparatus for assembling a rod assmbly of the shock absorber - Google Patents

Abstract

The present invention relates to an automatic assembly of the rod assembly of the shock absorber, and an assembly inspection unit for assembling and inspecting a cushion B, a rod guide, and an oil seal sequentially on the rod, and loading or assembling the rod into the assembly inspection unit. It includes a transfer robot that will unload the completed load assembly.

Therefore, it is possible to automatically assemble and inspect the load assembly, thereby improving the productivity and reducing the production cost according to the automation, preventing safety accidents, preventing the release of defective products through accurate inspection, and attaching foreign substances to the product. There is an effect that can be improved to prevent the quality.

Shock absorber, rod, assembly, oil seal, guide, cushion B, assembly, inspection

Description

Load assembly automatic assembly device for shock absorbers {APPARATUS FOR ASSEMBLING A ROD ASSMBLY OF THE SHOCK ABSORBER}

1 is a perspective view showing a load assembly of a conventional shock absorber;

2 is a plan view showing the load assembly automatic assembly of the shock absorber according to the present invention as a whole;

3 is a plan view showing the assembly inspection unit of the load assembly automatic assembly device of the shock absorber according to the present invention;

Figure 4 is a side view showing the assembly inspection unit of the load assembly automatic assembly device of the shock absorber according to the present invention,

Figure 5 is a side view showing the inspection device of the assembly inspection unit of the load assembly automatic assembly device of the shock absorber according to the present invention.

<Description of the symbols for the main parts of the drawings>

10: load assembly 12: load

14: cushion B 15: road guide

16: oil seal 18: stopper

19: piston valve 100A: transfer robot

100B: assembly inspection unit 110: index system

110a: Loading Station 110b: Cushion B Assembly Station

110c: Rod Guide Assembly Station 110d: Oil Seal Assembly Station

110e: Inspection Station 110f: Unloading Station

112: seating rotation portion 113: clamper

114: mounting jig 115: rotation motor

116: raising and lowering motor 120: cushion B assembly device

122: confirmation sensor 124: guide cone

126: parts supply feeder 128: parts insertion part

128a: rotating cylinder 128b: lifting cylinder

128c: Gripper 128d: Linear Guide

129: component insertion part 129a: pusher

129b: lifting cylinder 130: rod guide assembly device

140: oil seal assembly device 141: grease pump

150: inspection device 152: confirmation sensor

154: pusher 156: detection sensor

158: linear guide

The present invention relates to an automatic assembly of the rod assembly of the shock absorber, and more particularly, to automatically assemble the cushion B, the rod guide, and the oil seal to the rod in sequence, and to automatically inspect the assembly abnormality. It is related with the load assembly automatic assembly device of the absorber.

Generally, a shock absorber used in a suspension system of a vehicle is a dustproof or shock absorber installed between a vehicle body and a wheel side to absorb vibrations or shocks received from the road surface while driving the vehicle to improve ride comfort.

As is well known, the shock absorber is composed of a base assembly having a cylindrical shape and a rod assembly inserted into the base assembly, each manufactured as a semi-finished product, then assembled and finished. Will be.

1 is a perspective view showing a conventional conventional load assembly.

The rod assembly 10 has a cushion B (14), a rod guide 15, and an oil seal 16 sequentially inserted into the rod 12 on the round rod 12 to closely adhere to each other. A stopper 18 is inserted into and fixed to a lower portion of the rod 12, and further, a piston valve 19 is provided at the lower end of the rod 12.

In the rod assembly 10, the assembly of the cushion B 14, the rod guide 15, and the oil seal 16 are sequentially assembled by inserting them from the top, and in the related art, this operation is performed manually and also visually assembled. Check for abnormalities.

Therefore, productivity is reduced due to excessive work time due to manual work, production cost is increased by the input of manpower, there is a risk of safety accident during work, and inspection errors occur due to reduced attention due to repetitive work. There was a problem such as being.

In addition, the foreign matter is attached to the rod assembly 10 according to the manual operation, there was also a problem that the quality is reduced.

The present invention has been made to solve the above problems, the automatic assembly of the shock absorber rod assembly that can automatically assemble the cushion B, the rod guide, the oil seal on the rod and can also automatically check the assembly abnormality The purpose is to provide.

The present invention for achieving the above object, the assembly inspection unit for assembling and inspecting the cushion B, the rod guide, the oil seal sequentially on the rod, and the rod assembly is loaded or the assembly is completed to the assembly inspection unit It provides an automatic assembly of the load assembly of the shock absorber including the transfer robot to be unloaded.

Preferably, the assembly inspection unit is composed of an indexing system having a loading station, a cushion B assembly station, a rod guide assembly station, an oil seal assembly station, an inspection station, and an unloading station so as to be spaced apart along the circumferential direction. Supplying the rod to the loading station and unloading the assembled rod assembly from the unloading station, and the cushion B assembly station, the rod guide assembly station, and the oil seal assembly station side, the cushion B being components on the outside thereof, respectively. And, the rod guide, the parts assembly device of the same configuration for assembling the oil seal is provided, characterized in that the inspection station is provided on the inspection station side.

The above objects and various advantages of the present invention will become more apparent from the preferred embodiments of the invention described below with reference to the accompanying drawings by those skilled in the art.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a plan view showing the overall load assembly automatic assembly of the shock absorber according to the present invention.

The rod assembly automatic assembly device according to the present invention is the assembly inspection unit 100B for assembling and inspecting the cushion B 14, the rod guide 15, the oil seal 16 in sequence on the rod 12, and this assembly It includes a transfer robot (100A) to load the rod 12, which is the work target to the inspection unit (100B) or to unload the rod assembly 10 is completed.

Of these, since the transfer robot 100A is a conventional robot means, a detailed description thereof will be omitted, and the assembly inspection unit 100B will be described below with reference to an enlarged plan view of FIG. 3 and a side view of FIG. 4.

The assembly inspection unit 100B basically consists of an index system 110 having six stations 110a to f spaced apart along the circumferential direction, and the six stations 110a to f are It consists of a loading station (110a), cushion B assembly station (110b), rod guide assembly station (110c), oil seal assembly station (110d), inspection station (110e), unloading station (110f) along the functional rotation direction .

That is, the rod 12 of the work object loaded in the loading station 110a of the index system 110 is sequentially a cushion B assembly station 110b, a rod guide assembly station 110c, an oil seal assembly station 110d, and an inspection. The station 110e and the unloading station 110f pass through.

The cushion B assembly device 120 is located on the outside of the cushion B assembly station 110b, and the rod guide assembly device 130 is located on the outside of the oil guide assembly station 110d on the side of the rod guide assembly station 110c. The oil seal assembly device 140 is provided to the outside, and the inspection device 150 is provided on the outside of the inspection station (110e).

Of course, the job of supplying the rod 12 of the object to be loaded on the loading station 110a and unloading the assembled load assembly 10 from the unloading station 110f is executed by the above-described transfer robot 100A. Will be.

The index system 110 has a seating device having a clamper 113 for clamping and fixing a rod 12 of a work target on each station 110a to f, and a seating jig 114 on which a lower end of the rod 12 is seated. The rotating unit 112, the rotary motor 115 provided on the lower side to rotate the seating rotating unit 112, and the lifting motor 116 provided on the lower side to move the seating rotating unit 112 in the vertical direction. It consists of.

Here, the raising and lowering of the seating rotation part 112 by the elevating motor 116 is for fitting the top height of the rod 12 between the models to the same degree because the length of each rod 12 is different.

Meanwhile, the cushion B assembling device 120 for assembling the cushion B 14, the rod guide assembling device 130 for assembling the rod guide 15 and the oil seal assembling device 140 for assembling the oil seal 16 are the same. Therefore, the cushion B assembling device 120, the rod guide assembling device 130, and the oil seal assembling device 140 are commonly referred to as parts assembling devices 120, 130, and 140. The phosphorus structure will be described below.

Parts assembly device 120, 130, 140 is a rod 12 has been rotated to the corresponding station (110b, 110c, 110d) of the index system 110 for the assembly of the corresponding parts (14, 15, 16) Of the rod 12 located on the side of the assembly station 110b, 110c, 110d before the assembly of the insertion of the components 14, 15, 16, and the confirmation sensor 122 provided to detect and confirm the presence of In order to supply the guide cone insertion unit (not shown) provided on one side and the parts 14, 15, and 16 to be assembled on the outermost side one by one to insert the guide cone (124) on the top sequentially After holding the part feeder 126 and the parts 14, 15, and 16 supplied from the part feeder 126, it is rotated 180 ° and positioned on the top of the rod 12, and then lowered as it is, to the top of the rod 12. The parts 14, 15, and 16 inserted into the guide cones 124 inserted into the guide parts 124 are inserted into the insert part 128 and the upper part is temporarily returned. As having been lowered to the insert part (14, 15, 16) on the slide and a part of this insertion portion 129 to be fully inserted to the rod 12.

Here, although not shown, the guide cone insertion portion may include a gripper capable of gripping and releasing the guide cone 124, and lifting and lowering driving means and forward and backward driving means provided for raising and lowering the gripper. First, the gripper gripping the guide cone 124 is positioned directly on the rod 12 located in the parts assembly stations 110b, 110c, and 110d, and then releases the grip on the guide cone 124 to guide the cone. 124 is dropped to be fitted to the top of the rod 12, and then the gripper is lowered to hold the guide cone 124 and then to the upper side to return to return.

The part insertion part 128 has a gripper 128c provided to hold the parts 14, 15, and 16 to be assembled, and rotates the gripper 128c by 180 ° so that the part supply feeder 126 side and the parts assembly station are provided. Rotation cylinder 128a provided to repeatedly position toward (110b, 110c, 110d), the lifting cylinder 128b provided for raising and lowering the gripper 128c, and the lifting and lowering of the gripper 128c, respectively. It may be composed of a linear guide 128d provided to guide.

The component insertion part 129 includes a pusher 129a for completely pushing the temporary inserted parts 14, 15, and 16 while lowering the temporary insertion part 14, and a lifting cylinder 129b provided to lift the pusher 129a up and down. It can be composed of).

In addition, the component supply feeder 126 may be provided in plural for each model and configured to supply components for each model.

On the other hand, the oil seal supply feeder 126 side may be provided with a grease injection means (not shown) for injecting grease (grease) to the oil seal 16 waiting to be supplied, the grease injection means is lowered to the oil seal 16 side It may be composed of an injection part for returning to the upper part after spraying grease, a pump 141 for supplying grease to the injection part, and a tank for storing grease to be supplied.

On the other hand, the inspection device 150 provided on the inspection station (110e) side of the index system 110, as shown in Figure 5, after the insertion assembly of the three parts (14, 15, 16) is completed, the rod ( 12, the identification sensor 152 provided to confirm the presence of the three, and the three parts (14, 15, 16) is lowered to fit from the top to the assembled rod 12, the lower end of the assembled parts (14, The pusher 154, which is in contact with the upper surface of the 15 and 16, is pushed upward, and the presence and dissimilarity of the assembled parts 14, 15 and 16 are sensed by detecting the pusher 154 being pushed upward. Lifting cylinder (not shown) provided to raise and lower the pusher 154, and the linear sensor 158 is provided to guide the lifting and lowering of the pusher 154 to check whether or not It can be configured as.

The operation of the automatic assembly assembly of the shock absorber according to the present invention having the above configuration will be described below.

First, the transfer robot 100A transfers the rod 12, which is a work target, to be mounted on the seating jig 114 of the seating rotation part 112 of the loading station 110a in a vertical state, and then the seating rotation part 112 of The clamper 113 catches and clamps the middle part of the rod 12 on which the seat is loaded.

At this time, the seating rotating part 112 is appropriately adjusted by the driving of the lifting motor 116, the height of which is provided according to the model of the rod 12 to be loaded.

Thereafter, the seating rotation part 112 is rotated by a predetermined angle by the driving of the rotary motor 115 so that the loaded rod 12 is positioned in the cushion B assembly station 110b and stopped.

Subsequently, the guide cone insertion portion of the cushion B assembly device 120 is operated, that is, the gripper positioned on the top of the rod 12 by holding the guide cone 124 and holding the guide cone 124 releases the guide cone ( 124 is dropped to fit the top of the rod (12).

Thereafter, the gripper 128c of the cushion B assembling device 120 grips the cushion B 14 to be assembled, which is waiting to be supplied by the cushion B supply feeder 126 side, and then 180 degrees by driving the rotary cylinder 128a. ° C is rotated and positioned on the top of the rod 12, and then the cushion B 14, which is lowered and held by the driving of the lifting cylinder 128b, is slightly on the guide cone 124 inserted at the top of the rod 12. Then, the gripper 128c releases the grip on the cushion B 14 and returns to the reverse order.

Subsequently, the cushion B-bone inserting portion 129 of the cushion B assembling device 120 is operated, that is, the cushion B temporarily inserted while the pusher 129a is lowered from the top by driving the lifting cylinder 129b. Push 14 to fully insert it into rod 12, after which pusher 129a is raised and returned.

Thereafter, the gripper of the guide cone insertion portion descends to grasp the guide cone 124 fitted to the upper end of the rod 12, and then ascend and return.

As a result, the assembly of the cushion B 14 to the rod 12 is completed, and then the seating rotation part 112 is also rotated by a predetermined angle by the driving of the rotary motor 115 to load the rod 12. Is stopped at the load guide assembly station 110c.

Next, the assembly of the rod guide 15 is completed through the same process as in the above-mentioned cushion B assembly apparatus 120 in the rod guide assembly apparatus 130, and also rotated by a predetermined angle in the oil seal assembly station 110d. Assembly of the oil seal 16 is completed by the oil seal assembly device 140.

Here, in assembling the oil seal 16, grease is first sprayed and prepared by a grease injection means (not shown) to the oil seal 16 waiting to be supplied for assembly by the oil seal supply feeder 126, and then the corresponding oil seal 16 Will be assembled.

Subsequently, the rod 12, which has been assembled to the oil seal 16, is rotated at a predetermined angle by the seating rotation part 112 to be positioned on the inspection station 110e side, and then the inspection apparatus 150 is operated.

That is, the pusher 154 of the inspection device 150 is lowered by the driving of the lifting cylinder, and the lower end thereof contacts the upper surface of the assembled oil seal 16 and then pushes upwards, and the pusher 154 is pushed. By detecting the sensor 156 on the upper side is to determine the presence and dissimilar products of the assembled parts (14, 15, 16).

Here, the heterogeneous product identification of the parts 14, 15 and 16 is to use that the heterogeneous parts are different from each other and the assembled height is different.

Next, the inspected rod assembly 10 is rotated by the seating rotation part 112 to be located at the unloading station 110f, and then the transfer robot 100A grasps the rod assembly 10 and lifts it out. It will be transferred to the next process or the defective loading die.

As a result, the assembly of the parts 14, 15, and 16 of the rod 12 and the assembly inspection thereof are completed, and the above-described work process of the plurality of rods 12 is simultaneously performed.

In the foregoing description, it should be understood that those skilled in the art can make modifications and changes to the present invention without changing the gist of the present invention as merely illustrative of a preferred embodiment of the present invention.

According to the present invention, it is possible to automatically assemble and inspect the load assembly, to obtain the advantages of improved productivity and reduced production costs due to automation, to prevent safety accidents, to prevent outgoing of defective products by accurate inspection, foreign matter on the product The effect of preventing the adhesion and improving the quality can be achieved.

Claims (9)

It consists of an index system including a loading station, a cushion B assembly station, a load guide assembly station, an oil seal assembly station, an inspection station, and an unloading station so as to be spaced apart along the circumferential direction. Assembly inspection unit to be tested and A transfer robot for supplying the rod to the loading station and unloading the assembled load assembly from the unloading station, The cushion B assembling station, the rod guide assembling station, and the oil seal assembling station are provided on the outside thereof with a component assembly device having the same configuration for assembling the cushion B, the rod guide, and the oil seal, respectively. The inspection station side is provided with an inspection device on the outside, The index system includes a seating rotating part having a clamper for clamping and fixing the rods on each station side and a seating jig for seating the lower end of the rod, a rotary motor provided at a lower side to rotate the seating rotating part; Automatic assembly assembly of the shock absorber comprising a lifting motor provided on the lower side to move the seating rotation in the vertical direction. delete delete The method of claim 1, The component assembly device, A confirmation sensor that detects and confirms the presence or absence of the rod rotated to the corresponding station for assembling the component; A guide cone insertion part provided on one side of the upper part to insert the guide cone on the top of the rod before the assembly of the part; A component supply feeder for sequentially supplying the components one by one; A part for inserting and inserting the part by temporarily inserting the part into the guide cone fitted to the top of the rod by lowering the part by rotating the part 180 ° from the part supply feeder to the rod side; The assembly of the shock absorber of the shock absorber, characterized in that it is composed of a component insertion part to push the inserted part is lowered and pushed completely into the rod. The method of claim 4, wherein The guide cone insert portion, A gripper for gripping and releasing the guide cone; Elevating driving means provided for elevating the gripper; A shock absorber rod assembly automatic assembly device, characterized in that composed of forward and backward driving means provided to advance the gripper forward and backward. The method of claim 4, wherein The part insertion part, A gripper provided for holding the component, A rotating cylinder provided to rotate the gripper 180 ° so as to be repeatedly positioned to the parts supply feeder side and the rod side, respectively; An elevating cylinder provided for elevating the gripper; Automatic assembly assembly of the shock absorber, characterized in that consisting of a linear guide provided to guide the lifting and lowering of the gripper. The method of claim 4, wherein The part insertion part, A pusher which is pushed and fully inserted into the temporary inserted part, Automatic assembly assembly of the shock absorber, characterized in that consisting of a lifting cylinder provided to raise and lower the pusher. The method of claim 4, wherein The oil seal supply feeder for supplying the oil seal is provided with a grease spraying means for spraying grease to the oil seal waiting to be supplied for assembly assembly of the shock absorber. The method of claim 1, The inspection device, A confirmation sensor that detects and confirms the presence or absence of the rod that has been rotated after the cushion B, the rod guide, and the assembly of the oil seal are completed; A pusher which is pushed down from the top of the rod to be pushed upward after being contacted with the upper surface of the assembled oil seal; A detection sensor which detects whether the pusher is pushed to an upper side and checks the presence and dissimilarity of the assembled parts; An elevating cylinder provided for elevating the pusher; Automatic assembly assembly of the shock absorber comprising a linear guide provided to guide the lifting and lowering of the pusher.

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