KR20230151187A - Loading apparatus for ring type parts - Google Patents

Abstract

Regarding the automatic placement device for ring-shaped parts,
It is installed on the upper part of the conveyor belt that transports ring-shaped parts, and transports the lifting unit in the forward and backward directions. Forward and backward transfer unit; A lifting unit that is installed on the forward and backward transfer unit to be able to transport in the forward and backward directions and raises and lowers the support plate and grip unit; A support plate that is installed to be able to be lifted up and down on the lifting unit and supports the grip unit; It includes a grip unit installed at the lower part of the support plate and gripping the ring-shaped part,
The grip unit includes a tilting plate installed on the lower part of the support plate through a plurality of fastening bolts, elastically supported by a spring member installed on the outer periphery of each fastening bolt, and tilting in the left and right direction or forward and backward in a horizontal state; A gripper installed at the bottom of the tilting plate; A stopper installed at the lower part of the gripper to be able to move up and down, and allowing only one ring-shaped part to be gripped by the gripper; Through a technical configuration that includes a stopper elevating cylinder that is installed at the top center of the tilting plate and raises and lowers the stopper
The grip unit can stably grip only one ring-shaped part and supply it to the molding part of the mold, and even if there is some clearance in the position of the molding part of the mold, the ring-shaped part can be stably seated in the molding part of the mold. It will happen.

Description

Automatic seating device for ring-type parts {LOADING APPARATUS FOR RING TYPE PARTS}

The present invention relates to an automatic placement device for ring-shaped parts, and more specifically, to seating a plurality of ring-shaped parts moving through a transfer conveyor belt on each molding part of a mold during the process of manufacturing ring-shaped parts such as oil seals.

Generally, when manufacturing parts such as oil seals, a metal ring and a rubber ring are joined and formed through a mold of a molding device.

In the case of the automated equipment above, ring-shaped parts such as oil seals are supplied through a transfer conveyor belt, and are placed in the mold of the molding equipment from the transfer conveyor belt through an automatic ring-shaped part placement device, which is a type of transfer and supply robot.

The present invention particularly relates to an automatic ring-shaped part placement device that grips a plurality of ring-shaped parts on a conveyor belt through a gripper, moves them to the molding device, and places each ring-shaped part on each molding part of the mold.

In Patent Document 1 below, a plurality of workboxes are sequentially supplied, parts stored in the workboxes are taken out and transferred to an inspection location, and defective parts are automatically detected, if judged to be defective, collected, and if judged to be good, then defective parts are automatically detected. When transporting and seating on a jig pallet to perform subsequent processes, the parts are positioned and supported in the correct position to perform the correct process, and then accurately transported to the part seating part of the jig pallet and placed, thereby completing a number of processes. An automatic parts inspection and in-position loading device is disclosed that can automatically inspect defective parts and transport them to an accurate location so that they can be carried out sequentially and accurately.

Republic of Korea Patent Publication No. 10-1902814 (registered on September 20, 2018)

Most automatic ring-shaped parts seating devices according to the prior art grip a number of ring-shaped parts from a transfer conveyor belt through a gripper that holds the ring-shaped bloom, a lifting unit that raises and lowers the gripper, and a forward and backward transfer unit that transfers the gripper in the forward and backward directions and then forms them. It moves toward the device and has a form where each ring-shaped part is seated on each molding part of the mold.

However, in the automatic placement device for ring-shaped parts according to the prior art, when two or more ring-shaped parts are incorrectly loaded in the vertical direction on the transfer conveyor belt, the gripper grips all of the two or more ring-shaped parts and inserts them into the molding part of the mold. There was a problem of causing molding defects in parts or damage to molding molds.

In addition, the automatic placement device for ring-shaped parts according to the prior art frequently had a problem in that the ring-shaped parts were attached to the gripper and did not fall off even if the gripping state of the gripper was released in the process of inserting the ring-shaped part into the molding part of the mold. .

In addition, the automatic placement device for ring-shaped parts according to the prior art was unable to insert the ring-shaped parts into the correct position if there was a gap in the molding part of the mold, so there was a problem of causing defective molding of the ring-shaped part or damage to the mold.

The present invention is intended to solve the problems of the automatic placement device for ring-shaped parts according to the prior art, and its purpose is to enable the gripper to grip and form only one ring-shaped part even when two or more ring-shaped parts are stacked in the vertical direction on a transfer conveyor. The object is to provide an automatic placement device for ring-shaped parts that prevents molding defects and damage to the mold by supplying the ring-shaped parts to the forming part of the mold.

Another object of the present invention is to provide an automatic placement device for ring-shaped parts that prevents molding defects in ring-shaped parts by stably separating the gripper and ring-shaped parts in the process of inserting the ring-shaped parts into the molding part of the mold. It's about doing it.

Another object of the present invention is to provide an automatic seating device for ring-shaped parts that can improve the molding quality of ring-shaped parts by allowing the ring-shaped parts to be seated in an accurate position when there is a certain amount of clearance in the molding part of the mold. It's about providing it.

In order to achieve the above-mentioned purpose, the automatic seating device for ring-shaped parts according to the present invention is installed on the upper part of the conveyor belt that transports ring-shaped parts, and transports the lifting unit in the forward and backward directions. Forward and backward transfer unit; A lifting unit that is installed on the forward and backward transfer unit to be able to transport in the forward and backward directions and raises and lowers the support plate and grip unit; A support plate that is installed to be able to be lifted up and down on the lifting unit and supports the grip unit; It is characterized by including a grip unit installed at the lower part of the support plate and gripping the ring-shaped part.

The grip unit of the automatic ring-shaped component seating device according to the present invention is installed at the lower part of the support plate through a plurality of fastening bolts, and is elastically supported through spring members installed on the outer periphery of each fastening bolt to move left and right or forward and backward in a horizontal state. A tilting plate that tilts in one direction; A gripper installed at the bottom of the tilting plate; A stopper installed at the lower part of the gripper to be able to move up and down, and allowing only one ring-shaped part to be gripped by the gripper; It is characterized by including a stopper elevating cylinder that is installed at the upper center of the tilting plate and raises and lowers the stopper.

The gripper of the automatic ring-shaped component seating device according to the present invention includes a gripper block fixedly installed at the bottom of the tilting plate; A gripper member is installed to be movable in the left and right directions on the left and right sides of the gripper block, and is inserted into the center hole provided in the molding part of the mold during the mold seating process of the ring-shaped part to accurately hold the ring-shaped part in the molding part of the mold. The central axis for seating is installed at the bottom center of the gripper block.

The automatic placement device for ring-shaped parts according to the present invention has an upper connection plate installed on the operating rod of the stopper elevating cylinder, a stopper connection plate to which the stopper is connected to the lower part of the gripper block, and the upper connection plate and stopper connection plate are connected to the tilting plate and the gripper block. It is characterized in that it is connected through a plurality of rod-shaped connecting members penetrating.

The automatic ring-shaped component placement device according to the present invention is characterized in that an insertion position detection sensor is installed on the front and side of the grip unit mounting part of the support plate, and a detection bracket is installed on the front and side of the tilting bracket.

According to the automatic ring-shaped part seating device according to the present invention, the grip unit can stably grip only one ring-shaped part without simultaneously gripping two or more ring-shaped parts, and can be stably separated from the gripper to form a mold. Since it is possible to insert a plurality of ring-shaped parts of the grip unit at the same time, it is possible to prevent molding defects and insertion defects of ring-shaped parts.

According to the automatic seating device for ring-shaped parts according to the present invention, the gripper of the grip unit is installed on a tilting plate capable of tilting in the left-right and forward-backward directions, and a central axis that is inserted into the central hole of the molded part during the seating process of the ring-shaped part is provided in the gripper. Therefore, even if there is some clearance in the position of the molded part of the mold, the ring-shaped part can be stably seated in the molded part of the mold, thereby reducing molding defects in the ring-shaped part and improving the molding quality of the ring-shaped part. It becomes possible.

According to the automatic placement device for ring-shaped parts according to the present invention, when there is a severe gap in the position of the molded part of the mold, making normal insertion and seating of the ring-shaped part difficult, this is detected and the position of the molded part of the mold can be corrected. Molding defects in parts can be prevented.

1 is a perspective view of the automatic placement device for ring-shaped parts according to the present invention;
Figure 2 is a partial exploded perspective view of the support plate portion of the automatic ring-shaped component placement device according to the present invention;
Figure 3 is an exploded perspective view of the grip unit of the automatic ring-shaped component seating device according to the present invention;
Figure 4 is a partial cross-sectional front view of the grip unit of the automatic ring-shaped component seating device according to the present invention;
Figures 5a and 5b are front views showing the main part of the ring-shaped part gripping process of the grip unit of the automatic ring-shaped part seating device according to the present invention;
6A and 6B are front views showing the main part of the ring-shaped component seating process of the grip unit of the automatic ring-shaped component seating device according to the present invention;
Figure 6c is a front view of the main part showing the normal and defective insertion postures in the ring-shaped component seating process of the grip unit of the ring-shaped component automatic seating device according to the present invention.

Hereinafter, the automatic seating device for ring-shaped parts according to the present invention will be described in detail based on the attached drawings. For reference, the sizes of components, thickness of lines, etc. shown in the drawings used to describe the present invention may be somewhat exaggerated for ease of understanding.

In addition, the terms used in the description of the present invention are defined in consideration of the functions of the present invention and may vary depending on the user, operator intention, custom, etc. Therefore, the definition of this term should be based on the overall content of this specification.

In the present application, terms such as 'comprise', 'have', etc. refer to the existence of specific numbers, steps, operations, components, parts, or combinations thereof described in the specification, and do not refer to the presence of one or more other numbers, steps, operations, components, parts, or combinations thereof. It should be understood that this does not exclude in advance the possibility of the presence or addition of features, numbers, steps, operations, components, parts, or combinations thereof.

In addition, the present invention is not limited to the embodiments disclosed below and will be implemented in various different forms, but the present embodiments only serve to ensure that the disclosure of the present invention is complete and to convey the scope of the invention to those skilled in the art. It is provided for complete information.

Therefore, since the present invention can make various changes and take various forms, implementation examples (or embodiments) will be described in detail in the specification. However, this is not intended to limit the present invention to a specific disclosed form, and should be understood to include all changes, equivalents, and substitutes included in the technical idea of the present invention, and the singular expressions used in this specification are clearly different from the context. Unless otherwise intended, plural expressions are included.

However, in describing the present invention, detailed descriptions of well-known or known functions or configurations will be omitted to make the gist of the present invention clear.

Hereinafter, “upward,” “downward,” “front,” and “rear” and other directional terms are defined based on the states shown in the drawings.

Figure 1 is a perspective view of an automatic ring-shaped component placement device according to the present invention.

The automatic ring-shaped component placement device 100 according to the present invention includes a forward and backward transfer unit 110, an elevating unit 120, a support plate 130, a grip unit 140, and an insertion position detection sensor 150.

The forward and backward transfer unit 110 is a part that transports the lifting unit 120 in the forward and backward directions, and is installed on the upper part of the transfer conveyor belt 200, which transports the ring-shaped component (P) through the fixed frame 111.

The lifting unit 120 is a part that lifts the support plate 130 and the grip unit 140, and is installed in the forward and backward transfer unit 110 to be able to transport it in the forward and backward directions.

Technology of the forward and backward transfer unit (110), which transports the lifting unit (120) in the forward and backward directions through linear means, and the lifting unit (120), which transports the support plate (130) and grip unit (140) in the forward and backward directions through a rotating screw. Since is obvious in the technical field to which the present invention pertains, detailed description thereof will be omitted.

The support plate 130 is a part that supports the grip unit 140 and is installed to be movable in the lifting unit 120 through the support frame 131.

The grip unit 140 is a part that grips the ring-shaped part (P) and supplies it to the mold, and is installed at the lower part of the support plate 130.

In the illustrated embodiment, four grip unit mounting portions 130a are provided on the support plate 130, and the grip units 140 of each grip unit mounting portion 130a are arranged radially, but the automatic ring-shaped component according to the present invention Of course, the shape of the support plate 130 and the number of installed grip units 140 in the seating device 100 can be adjusted depending on the shape of the mold 300 and the number of molded parts 301.

Figure 2 is a partial exploded perspective view of the support plate portion of the automatic seating device for ring-shaped components according to the present invention, Figure 3 is an exploded perspective view of the grip unit of the automatic seating device for ring-shaped components according to the present invention, and Figure 4 is a perspective view of the grip unit of the automatic seating device for ring-shaped components according to the present invention. This is a partial cross-sectional front view of the grip unit of the automatic parts placement device.

The grip unit 140 includes a tilting plate 141, a gripper 142, a stopper 143, a stopper lifting cylinder 144, and a central axis 145.

The tilting plate 141 is installed at the lower part of the support plate 130 through a plurality of fastening bolts 141a, and is elastically supported through a spring member 141b installed on the outer periphery of each fastening bolt 141a so as to be held in a horizontal state. It can be tilted left and right or forward and backward.

The gripper 142 is a part that grips the ring-shaped component (P) and is installed at the bottom of the tilting plate 141.

The gripper 142 includes a gripper block 142a fixedly installed at the bottom of the tilting plate 141; It includes a gripper member (142b) installed to be movable in the left and right directions on the left and right sides of the gripper block (142a).

The stopper 143 is a part that allows only one ring-shaped component (P) to be held by the gripper 142, and is installed at the lower part of the gripper 142 to be able to move up and down.

The stopper elevating cylinder 144 is a part that elevates the stopper 143 and is installed at the top center of the tilting plate 141.

An upper connection plate 144b is installed on the operating rod 144a of the stopper lifting cylinder 144, and a stopper connection plate 144c to which the stopper 143 is connected is installed at the lower part of the gripper block 142a, and the upper connection plate The plate 144b and the stopper connection plate 144c are connected through a plurality of rod-shaped connecting members 144d that penetrate the tilting plate 141 and the gripper block 142a.

Therefore, when the operating rod 144a of the stopper lifting cylinder 144 moves upward, the upper connection plate 144b, the connecting member 144d, the stopper connection plate 144c, and the stopper 143 rise.

The central axis 145 is inserted into the central hole 301a provided in the molding part 301 of the mold 300 during the seating process of the mold 300 of the ring-shaped part (P) to form the ring-shaped part (P) into the mold. It is a part that allows it to be accurately seated on the molded part 301 of (300), and is installed at the bottom center of the gripper block (142a).

The lower end of the central axis 145 penetrates the stopper connection plate 144c and the stopper 143 and then protrudes to the lower part of the stopper 143.

The input posture detection sensor 150 is a part that detects the posture of the ring-shaped part (P) being input into the molding portion 301 of the mold 300, and is located on the front of each grip unit mounting portion 130a of the support plate 130. and is installed on the side.

The insertion position detection sensor 150 detects the position of the detection bracket 151 installed on the front and side of the tilting bracket 141 of each grip unit 140.

The ring-shaped component automatic seating device 100 according to the present invention configured as described above simultaneously holds a plurality of ring-shaped components (P) loaded on the ring-shaped component transfer conveyor belt 200 to form each molding portion 301 of the mold 300. ), and the operation is explained as follows.

First, the ring-shaped part (P) is loaded on the pallet 400 installed on the transfer conveyor belt 200 and moved to the holding position at the rear of the mold.

Figures 5a and 5b are front views showing the main part of the ring-shaped part gripping process of the grip unit of the automatic ring-shaped part placement device according to the present invention.

As shown in Figure 5a, the support plate 130 and the grip unit 140, which have been moved to the upper part of the pallet 400 at the gripping position through the forward and backward transfer unit 110, are lowered through the lifting unit 120, and accordingly the grip A ring-shaped component (P) placed on the loading jig 401 is located between a pair of gripper members 142b of the gripper 142 of the unit 140.

As shown in Figure 5b, when the support plate 130 and the grip unit 140 are lowered through the lifting unit 120, the central axis 145 installed at the bottom center of the gripper block 142a is located in the center hole of the loading jig 401. It is inserted into (401a).

With the ring-shaped part (P) positioned between the pair of gripper members (142b) of the gripper (142) by lowering the support plate (130) and grip unit (140) through the lifting unit (120), the gripper (142) ) is compressed, both gripper members (142b) move toward the center and grip the ring-shaped part (P).

The automatic ring-shaped part placement device 100 according to the present invention has one ring-shaped member (P) in the gripper 142 even when two ring-shaped parts (P) are loaded on the loading jig 401 due to an error in the preceding process. Only the grip is caught.

That is, when the support plate 130 and the grip unit 140 are lowered in the automatic ring-shaped component placement device 100 according to the present invention and the central axis 145 is inserted into the center hole 401a of the loading jig 401. The upper end of the ring-shaped part (P) contacts the lower end of the stopper 143, and only one ring-shaped part (P) is gripped by the gripper member 142b.

In the case where the two ring-shaped parts (P) are stacked vertically and incorrectly on the loading jig 401, as shown in the right loading jig 401 of FIG. 5A, the lower end of the stopper 143 contacts the upper ring-shaped part (P). After this, the gripper 142 no longer descends, and the spring member 141b installed between the support plate 130 and the tilting plate 141, like the right grip unit 140 in FIG. 5b, is compressed and the tilting plate 141 ), the gripper 142, and the central axis 145 are fixed in position and only the support plate 130 is lowered toward the tilting plate 141, so only the upper ring-shaped part (P) is gripped.

The lifting unit 120 moves upward while holding one ring-shaped part (P) through a pair of gripper members 142. When the forward and backward transfer unit 110 moves forward toward the mold 300, each grip unit 140 holding the ring-shaped part P is positioned at the upper part of each molding part 301 of the mold 300. .

Figures 6a and 6b are front views showing the main portion of the ring-shaped component seating process of the grip unit of the automatic ring-shaped component seating device according to the present invention.

As shown in Figure 6a, when the lifting unit 120 is lowered while each grip unit 140 is located on the upper part of each molding part 301 of the molding mold 300, the support plate 130 is moved to the molding mold 300. It descends toward the top, and each grip unit 140 descends to the insertion position at the top of each molding part 301 of the mold 300.

When each grip unit 140 is lowered to the insertion position at the top of each molding unit 301, the central axis 145 of the grip unit 140 is inserted into the center hole 301a of the molding unit 301 to accurately The ring-shaped part (P) can fall from the insertion position.

In a state where each grip unit 140 is lowered to the insertion position at the top of each molding unit 301, the stopper elevating cylinder 144 of each grip unit 140 operates upward, and accordingly, the upper connection is performed as shown in Figure 6b. The plate 144b, the connecting member 144d, the stopper connection plate 144c, and the stopper 143 are raised, so that the stopper 143 and the ring-shaped member P are stably separated.

When the gripper 142 is extended while the stopper 143 and the ring-shaped member (P) are separated, both gripper members (142b) move in the direction opposite to the center and place the ring-shaped part (P), thereby placing the ring-shaped member (P). The part (P) falls to the inner upper part of the molding part (301).

After the hinge-type part (P) falls to the inner upper part of the molding part 301 and settles at the molding position of the molding part 301, the stopper lifting cylinder 144 operates to lower the upper connection plate 144b and the connecting member 144d. , the stopper connection plate (144c) and the stopper (143) return to their original positions, and the support plate (130) and each grip unit (140) are moved through the upward operation of the lifting unit (120) and the backward operation of the forward/backward transfer unit (110). ) returns to the gripping position at the top of the transfer conveyor belt (200).

After completing the molding of the ring-shaped parts (P) seated in each molding part (301) of the molding mold (300) in the molding device, the molded ring-shaped parts (P) After the molded ring-shaped part (P) is pulled out from each molding part (301) of the molded gold piece (300), a new ring-shaped part (P) is inserted into each molded part (301) of the molded gold piece (300). supplied.

The automatic ring-shaped component placement device 100 according to the present invention is a ring-shaped device held by the gripper 142 of the grip unit 140 even when there is a certain degree of clearance in the position of each molding part 301 of the mold 300. It is possible to seat the part (P) at the exact position of the molded part (301).

That is, in the automatic ring-shaped component placement device 100 according to the present invention, the gripper 142 is installed on the tilting plate 141 that can be tilted in the left and right directions and in the forward and backward directions, so the position of the molding part 301 of the mold 300 Even if there is some clearance in the center hole 301a of the molding part 301, the tilting plate 141 moves forward and backward or left and right during the process of inserting the central axis 145 installed at the bottom center of the gripper block 142a. By tilting in one direction, the exact insertion position can be set.

On the other hand, if there is a severe gap in the position of each molding part 301 of the molding mold 300, the ring-shaped part (P) held by the gripper 142 of the grip unit 140 must be accurately inserted into the molding part 301. You will not be able to enter the position.

Figure 6c is a main front view showing the normal and defective insertion postures in the ring-shaped component seating process of the grip unit of the ring-shaped component automatic seating device according to the present invention.

When the ring-shaped part (P) cannot be inserted into the exact insertion position of the molding unit 301, the central axis 145 installed at the bottom center of the gripper block 142a is inserted into the central hole 301a of the molding unit 301. During the insertion process, the tilting plate 141 continues to maintain a tilted posture in the forward-backward or left-right direction, like the right grip unit 140 in Figure 6c, and this poor insertion posture is maintained by each grip of the support plate 130. The insertion position detection sensor 150 installed on the front and side of the unit mounting portion 130a can be detected.

In the above, the tilting plate 141 lowered toward the molding part 301 of the mold 300, like the right grip unit 140 in FIG. 6C, continues to maintain a tilted posture in the forward and backward or left and right directions, and such defects When the input position is detected through the input position detection sensor 150, the control unit (not shown) stops all operations of the automatic ring-type part placement device 100 and provides an audible and visual alarm to the worker. It is possible to adjust the position of the molding part 301 of the mold 300 or take other necessary measures for normal operation.

Although the invention made by the present inventor has been described in detail according to the above-mentioned embodiments, the present invention is not limited to the above-described embodiments and can of course be changed in various ways without departing from the gist of the invention.

100: Automatic seating device for ring-shaped parts
110: Front and rear transfer unit
120: Elevating unit
130: support plate
140: Grip unit
141: Tilting plate
142: Gripper
143: stopper
144: Stopper lifting cylinder
145: central axis
150: Insertion position detection sensor

Claims (5)

It is installed on the upper part of the transfer conveyor belt 200 that transports the ring-shaped component (P), and transports the lifting unit 120 in the forward and backward directions. Forward and backward transfer unit (110);
A lifting unit 120 that is installed on the forward and backward transfer unit 110 to be capable of being transported in the forward and backward directions and elevates the support plate 130 and the grip unit 140;
A support plate 130 that is installed to be capable of being lifted up and down on the lifting unit 120 and supports the grip unit 140;
A ring-shaped component automatic seating device comprising a grip unit (140) installed at the lower part of the support plate (130) and gripping the ring-shaped component (P). According to paragraph 1,
The grip unit 140 is,
It is installed at the lower part of the support plate 130 through a plurality of fastening bolts 141a, and is elastically supported through a spring member 141b installed on the outer periphery of each fastening bolt 141a, so that it can be moved in the left-right or front-back direction in a horizontal state. Tilting plate (141) that is tilted;
A gripper (142) installed at the bottom of the tilting plate (141);
A stopper 143 that is installed to be able to be raised and lowered at the lower part of the gripper 142 and allows only one ring-shaped part (P) to be held by the gripper 142;
A ring-shaped component automatic seating device comprising a stopper lifting cylinder (144) installed at the upper center of the tilting plate (141) and lifting the stopper (143). According to paragraph 2,
The gripper 142 is,
A gripper block (142a) fixedly installed at the bottom of the tilting plate (141);
It includes a gripper member (142b) installed to be movable in the left and right directions on the left and right sides of the gripper block (142a),
In the process of seating the ring-shaped part (P) in the mold 300, the ring-shaped part (P) is inserted into the center hole (301a) provided in the molding part 301 of the mold 300 and the ring-shaped part (P) is placed in the molding part 300. An automatic seating device for ring-shaped parts, characterized in that the central axis 145, which allows accurate seating on (301), is installed at the bottom center of the gripper block (142a). According to paragraph 3,
An upper connection plate 144b is installed on the operating rod 144a of the stopper lifting cylinder 144, and a stopper connection plate 144c to which the stopper 143 is connected is installed at the lower part of the gripper block 142a, and the upper connection Automatic seating device for ring-shaped parts, characterized in that the plate (144b) and the stopper connection plate (144c) are connected through a plurality of rod-shaped connecting members (144d) penetrating the tilting plate (141) and the gripper block (142a). According to paragraph 3,
A ring type device characterized in that an input position detection sensor 150 is installed on the front and side of the grip unit mounting portion 130a of the support plate 130, and a detection bracket 151 is installed on the front and side of the tilting bracket 141. Automatic parts placement device.

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