JP2021074859A - Component supply device - Google Patents

Abstract

To improve the coupling rigidity of an outer cylinder and a component supply pipe by a coupling block member, and to compactly dispose driving means of a regulating member of component movement.SOLUTION: Forward/backward driving means 10 is joined to an outer cylinder 6 storing a supply rod 7, a temporarily stopping chamber 19 is formed at a coupling place of the outer cylinder 6 and a component supply pipe 11, and a stopper member 21 having a magnet 20 is disposed in the temporarily stopping chamber 19. An outer peripheral surface of the outer cylinder 6 is coupled to a lateral side surface 24a of a coupling block member 24, and the component supply pipe 11 is coupled to a lower surface 24b of the coupling block member 24, thereby integrating the outer cylinder 6 and the component supply pipe 11. The uniting block member 24 is attached with driving means 32 and 36 of regulating members 27 and 35 regulating component movement.SELECTED DRAWING: Figure 1

Description

The present invention relates to a parts supply device in which a temporary fixing chamber is arranged at a position where an outer cylinder accommodating an advance / retreat type supply rod and a parts supply pipe are connected.

Japanese Unexamined Patent Publication No. 2006-075899 describes that the guide pipe 7 containing the supply rod 6 and the component supply pipe 8 are welded to each other, and the temporary fixing chamber 11 is formed by arranging the stopper member 9. There is.

In Japanese Patent Application Laid-Open No. 2015-131339, a supply base member 7 is a core member, and an air cylinder 28 for advancing and retreating a sliding rod 23 for supplying parts and an air cylinder for advancing and retreating a regulation pin 38 are used in the member 7. It is described that 37 and the component supply pipe 5 are attached.

Japanese Unexamined Patent Publication No. 2006-075899 Japanese Unexamined Patent Publication No. 2015-131339

In the prior art described in Patent Document 1 and Patent Document 2, nothing is described regarding the technical consideration for increasing the coupling rigidity between the outer cylinder accommodating the supply rod and the component supply pipe. Further, nothing is described regarding the realization of the two functions of improving the coupling rigidity and restricting the movement of parts. Further, there is no description about to which part of the outer cylinder or the component supply pipe the member for integration is to be connected.

The present invention has been provided to solve the above problems, and is a means for driving a regulating member that regulates the movement of parts while improving the joint rigidity between the outer cylinder and the component supply pipe by interposing a coupling block member. The purpose is to arrange them in a cohesive manner.

The invention according to claim 1
An advancing / retreating driving means for advancing / retreating the supply rod is joined to an outer cylinder having a circular cross section in which a supply rod for supplying parts is housed, and a temporary fixing chamber is formed at a joint portion between the outer cylinder and the parts supply pipe for transporting parts. In the form in which a stopper member having a magnet for attracting parts is arranged at the end of the temporary fixing chamber,
The outer peripheral surface of the outer cylinder is coupled to the lateral side surface of the coupling block member, the component supply pipe is coupled to the lower surface of the coupling block member, and the outer cylinder and the component supply pipe are integrated.
The component supply device is characterized in that a driving means for a regulating member that regulates the movement of the component is attached to the coupling block member.

In addition to the structure in which the outer cylinder with a circular cross section containing the supply rod for supplying parts that moves forward and backward and the parts supply pipe for transporting parts are connected, the outer peripheral surface of the outer cylinder is on the lateral side surface of the coupling block member. , And the component supply pipe is connected to the lower surface of the coupling block member, and the outer cylinder and the component supply pipe are integrated.

Therefore, the outer cylinder and the component supply pipe are integrated via the coupling block member, and the coupling strength between the outer cylinder and the component supply pipe can be increased.

Since the outer cylinder accommodates a long supply rod and is integrated with an advancing / retreating driving means such as an air cylinder for operating the supply rod, the advancing / retreating driving means and the outer cylinder are extremely long members. When a force in the swing direction acts on such a long structure, a large stress is concentrated on the joint portion between the outer cylinder and the component supply pipe, so that it is necessary to impart sufficient coupling rigidity to this joint portion. In response to such a request, the intervention of the coupling block member as described above is effective for ensuring sufficient coupling rigidity.

In particular, since the outer peripheral surface of the outer cylinder corresponds to the lateral side surface of the coupling block member and the component supply pipe corresponds to the lower surface of the coupling block member, the coupling rigidity of the outer cylinder and the coupling local part of the component supply pipe with respect to the coupling block member. It is very effective in increasing. The above-mentioned correspondence is such that when the coupling block member has a substantially rectangular parallelepiped shape, the coupling block member can be exactly matched to the corner portion where the outer cylinder and the component supply pipe intersect at right angles. It is effective in improving the bonding strength between the outer cylinder and the component supply pipe.

Since the connecting block member is attached with the driving means of the regulation part that regulates the movement of parts, the connecting block member fulfills two functions of the function of arranging the driving means and the function of integrating the outer cylinder and the parts supply pipe. This is realized, and it is effective for simplification and compactness of the structure.

Since the outer peripheral surface of the outer cylinder is connected to the lateral side surface of the coupling block member and the upper surface of the component supply pipe is coupled to the lower surface of the coupling block member, the length of the coupling section between the outer cylinder and the coupling block member becomes long. In addition, since the length of the coupling section between the component supply pipe and the coupling block member becomes long, it is effective for improving the coupling strength.

Examples of restricting the movement of parts include suspending parts heading to the temporary fixing chamber at high speed to protect the components of the temporary fixing chamber and preventing parts from accidentally falling from the temporary fixing chamber. Sometimes. Since such regulation of component movement is performed along with the arrangement of the coupling block members, regulation and control of component movement can be easily realized. Since the driving means of the regulating member is attached to the coupling block member, the mounting posture of the driving means such as an air cylinder can be freely obtained, which is effective for improving the function and making the device compact. Further, since the drive means is attached to the rigidly stable coupling block member, the operation of the drive means itself can be performed with high reliability.

Since the coupling block member is arranged at the corner where the outer cylinder and the component supply pipe intersect, it is possible to avoid a structure in which the coupling block member and the driving means such as the air cylinder attached to the coupling block member protrude outward. A well-organized structure can be obtained.

It is sectional drawing of the whole apparatus and sectional drawing of a part part in Example 1. FIG. 2 is a cross-sectional view of the entire apparatus and a cross-sectional view of a partial portion according to the second embodiment.

Next, a mode for carrying out the component supply device of the present invention will be described.

FIG. 1 shows Example 1 of the present invention.

First, the parts will be described.

The parts to be supplied include various parts such as projection nuts, washers, tubular distance pieces, and bolts. In this embodiment, the projection nut is targeted.

In the following description, the projection nut may be simply referred to as a nut.

As shown in FIG. 1A, the iron projection nut 1 has a hexagonal nut body 2 having a screw hole 3 formed in the center thereof, and is a circular flange integrated with the nut body 2. 4 is provided. A welding protrusion 5 is formed on the surface of the flange 4. Three welding protrusions 5 are provided at intervals of 120 degrees.

Next, the outer cylinder will be described.

The supply rod 7 is housed in the outer cylinder 6 having a circular cross section in an inclined posture. The supply rod 7 is composed of a large-diameter sliding rod 8 that slides in the outer cylinder 6 and a small-diameter guide rod 9 that enters the screw hole 3 in a skewered manner. An air cylinder 10 is adopted as an advancing / retreating driving means for advancing / retreating the supply rod 7. The air cylinder 10 is joined to the outer cylinder 6.

Next, the parts supply pipe will be described.

The component supply pipe 11 is made of stainless steel and has a rectangular cross-sectional shape suitable for transporting the nut 1. As shown in FIG. 1C, an elongated passage member 12 having a U-shaped cross section is arranged in a state of being opened downward, and a lid plate 13 is welded to form a closed cross section. The parts supply pipe 11 is connected to the parts feeder 15, and the nut 1 is conveyed at high speed by the injected air from the air injection pipe 16. The lower end of the outer cylinder 6 is welded to the upper surface of the component supply pipe 11, and the welded portion is indicated by reference numeral 17 in FIG. 1 (B).

As shown in FIG. 1A, the component supply pipe 11 is inclined in the direction in which the nut 1 slides down and has a shape curved upward, and is formed between the curved portion 14 and the outer cylinder 6. A coupling block member 24 and an air cylinder 32 described later are arranged in the space 22.

The passage member 12 is provided with a through hole 18 for the supply rod 7 to penetrate and advance.

Next, the temporary fixing room will be described.

A temporary fixing chamber 19 for temporarily locking the nut 1 is provided at a joint between the outer cylinder 6 and the component supply pipe 11. A stopper member 21 to which the magnet 20 for attracting parts is attached is arranged at the end of the parts supply pipe 11, that is, at the end of the temporary fixing chamber 19. The nut 1 conveyed by the component supply pipe 11 enters the temporary fixing chamber 19, is attracted by the magnet 20, and is temporarily locked at a predetermined position. In this state, the supply rod 7, the through hole 18, and the screw hole 3 are coaxial with the central axis OO. Reference numeral 23 is an outlet opening of the temporary fixing chamber 19, and when the supply rod 7 advances by the operation of the air cylinder 10, the guide rod 9 enters the screw hole 3 and the end face of the sliding rod 8 pushes out the nut 1. Is supplied to the destination. Although not shown, the target location is an electrode of an electric resistance welding apparatus.

Next, the coupling block member will be described.

The connecting block member 24 is an intermediary member that connects the outer cylinder 6 and the component supply pipe 11, and is made of stainless steel. The shape of the connecting block member 24 can be various, such as a cube, a rectangular parallelepiped, and a right triangle type member. Here, it is a rectangular parallelepiped shape. The outer cylinder 6 is welded along the lateral side surface 24a of the coupling block member 24. Instead of welding, bolting using a bracket member can be used, but welding is preferable from the viewpoint of structural simplification. The portion painted in black in FIG. 1B is the welded portion 25.

The upper surface 11a of the component supply pipe 11 is brought into close contact with the lower surface 24b of the coupling block member 24 and welded. This weld is indicated by reference numeral 26. Although bolting using a bracket member can be used instead of the welded portion 26, welding is preferable from the viewpoint of structural simplification. The portion painted in black in FIG. 1C is the welded portion 26.

The longitudinal direction of the outer cylinder 6 (central axis OO) and the longitudinal direction of the component supply pipe 11 are orthogonal to each other, and the coupling block member 24 is matched with the corner portion thereof. That is, the lateral side surface 24a of the coupling block member 24 corresponds to the outer cylindrical surface 6a of the outer cylinder 6, and the lower surface 24b of the coupling block member 24 corresponds to the upper surface of the component supply pipe 11 11a.

Next, the regulating member will be described.

The regulation of the movement of parts is to relax the transport speed of the nut 1 to prevent damage in the temporary fixing chamber 19 and to prevent the nut 1 from falling from the temporary fixing chamber 19. In the first embodiment, the former transport speed is relaxed. That is, the nut transport speed is regulated.

Regulators operate to regulate the movement of parts. In order to temporarily stop the nut 1 moving in the component supply pipe 11, a regulation pin 27 protruding into the component supply pipe 11 is provided. The regulation pin 27 is a regulation member. A guide hole 28 having a circular cross section is formed in the coupling block member 24, and the sliding member 29 is inserted into the guide hole 28 in a slidable state. The regulation pin 27 and the sliding member 29 are integrated in a coaxial state. A through hole 30 through which the regulation pin 27 penetrates is provided in the lower portion of the coupling block member 24 and the passage member 12.

Next, the driving means will be described.

A driving means is provided to advance and retreat the sliding member 29 and the regulation pin 27. The drive means can be formed by an air cylinder, an advancing / retreating output type electric motor, or the like. Here, it is an air cylinder 32.

The air cylinder 32 is fixed to the coupling block member 24 with a fixing bolt 33, and the piston rod 34 thereof is coupled to the sliding member 29.

Next, the operation will be described.

As shown by the alternate long and short dash line in FIG. 1 (A), when the nut 1 is conveyed at high speed by the injected air from the air injection pipe 16 to the place where the regulation pin 27 protrudes into the component supply pipe 11. The nut 1 is received by the regulation pin 27 and temporarily stopped. After that, when the regulation pin 27 retracts due to the operation of the air cylinder 32, the nut 1 slides down at a low speed due to the inclination and is sent into the temporary fixing chamber 19. At this time, the nut 1 is attracted to the stopper member 21 by the attractive force of the magnet 20, and as shown by the solid line in FIG. 1A, the nut 1 is temporarily locked in a coaxial state with the central axis OO. Since the nut 1 enters the temporary fixing chamber 19 at a low speed in this way, the stopper surface of the stopper member 21 does not dent.

Then, when the supply rod 7 advances by the operation of the air cylinder 10, the guide rod 9 penetrates the screw hole 3 and is supplied to a target location such as an electric resistance welding electrode.

In addition, instead of the above air cylinder 10, an electric motor that outputs advancing / retreating can be adopted.

The above-mentioned operations such as advancing / retreating operation of each air cylinder and air injection can be easily performed by a generally adopted control method. A predetermined operation can be ensured by combining an air switching valve that operates with a signal from a control device or a sequence circuit, a sensor that emits a signal at a predetermined position of an air cylinder and transmits the signal to the control device, and the like.

The effects of Example 1 described above are as follows.

In addition to the structure in which the outer cylinder 6 having a circular cross section containing the supply rod 7 for supplying parts that moves forward and backward and the parts supply pipe 11 for transporting parts are joined by welding, the lateral side surface of the connecting block member 24. The outer cylindrical surface 6a of the outer cylinder 6 is welded to the 24a, and the component supply pipe 11 is welded to the lower surface 24b of the coupling block member 24 to integrate the outer cylinder 6 and the component supply pipe 11.

Therefore, the outer cylinder 6 and the component supply pipe 11 are integrated via the coupling block member 24, and the coupling strength between the outer cylinder 6 and the component supply pipe 11 can be increased.

Since the outer cylinder 6 accommodates the long supply rod 7 and is integrated with the advancing / retreating driving means such as the air cylinder 10 for operating the supply rod, the advancing / retreating driving means 10 and the outer cylinder 6 are extremely long members. Will be. When a force in the swing direction acts on such a long structure, a large stress is concentrated on the joint portion between the outer cylinder 6 and the component supply pipe 11, and it is necessary to impart sufficient coupling rigidity to this joint portion. .. In response to such a request, the intervention of the coupling block member 24 as described above is effective for ensuring sufficient coupling rigidity.

In particular, since the lateral side surface 24a of the coupling block member 24 corresponds to the outer cylindrical surface 6a of the outer cylinder 6 and the lower surface 24b of the coupling block member 24 corresponds to the component supply pipe 11, the outer cylinder 6 with respect to the coupling block member 24. It is very effective in increasing the coupling rigidity of the coupling local part of the component supply pipe 11. The above-mentioned correspondence is such that when the coupling block member 24 has a substantially rectangular parallelepiped shape, the coupling block member 24 is exactly aligned with the corner portion where the outer cylinder 6 and the component supply pipe 11 intersect at right angles. This is effective in improving the bonding strength between the outer cylinder 6 and the component supply pipe 11.

Since the driving air cylinder 32 of the regulation pin 27 that regulates the movement of the nut is attached to the coupling block member 24, the coupling block member 24 is integrated with the arrangement function of the air cylinder 32 and the outer cylinder 6 and the component supply pipe 11. It is possible to fulfill the two functions of the conversion function, which is effective for simplification and compactness of the structure.

Since the outer cylindrical surface 6a of the outer cylinder 6 is welded to the lateral side surface 24a of the coupling block member 24 and the upper surface 11a of the component supply pipe 11 is welded to the lower surface 24b of the coupling block member 24, the outer cylinder is formed. Since the length of the joint welding section between 6 and the joint block member 24 becomes longer, and the length of the joint weld section between the component supply pipe 11 and the joint block member 24 becomes longer, it is effective for increasing the joint rigidity.

As an example of restricting the movement of the nut, the nut 1 heading to the temporary fixing chamber 19 at high speed is temporarily stopped to protect the constituent members of the temporary fixing chamber 19, or the nut 1 is inadvertently dropped from the temporary fixing chamber 19. May be prevented. Since such regulation of nut movement is performed along with the arrangement of the coupling block member 24, regulation and control of nut movement can be easily realized. Since the drive air cylinder 32 of the regulation pin 27 is attached to the coupling block member 24, the attachment posture of the drive means such as the air cylinder 32 can be freely obtained, which is effective for improving the function and making the device compact. .. Further, since the air cylinder 32 is attached to the rigidly stable coupling block member 24, the operation of the air cylinder 32 itself can be performed with high reliability.

Since the coupling block member 24 is arranged at the corner portion where the outer cylinder 6 and the component supply pipe 11 intersect, the driving means such as the coupling block member 24 and the air cylinder 32 attached to the coupling block member 24 protrudes outward. The structure can be avoided and a well-organized structure can be obtained.

The component supply pipe 11 has an upwardly curved shape, and a coupling block member 24 and an air cylinder 32 are arranged in a space 22 formed between the curved portion 14 and the outer cylinder 6. Therefore, the coupling block member 24 and the air cylinder 32 are surrounded by the outer cylinder 6 and the component supply pipe 11 to prevent neighboring members from interfering with the coupling block member 24 and the air cylinder 32. It can be used and is suitable as a protective structure for the device.

FIG. 2 shows Example 2 of the present invention.

In the second embodiment, in addition to the configuration of the first embodiment, a regulating member is arranged so that the nut 1 in the temporary fixing chamber 19 does not fall through the outlet opening 23. The regulated nut movement is the drop described above. That is, the fall of the nut is restricted. If the attractive force of the magnet 20 is reduced or some kind of impact acts on the device, the nut 1 may fall from the temporary fixing chamber 19, so a fall prevention regulating member is adopted.

First, the regulatory member will be described.

A regulating member for opening and closing the outlet opening 23 of the temporary fixing chamber 19 is provided. This regulating member is a regulating plate 35 in the form of a plate-shaped member so that the nut 1 can be received from the lower side.

FIG. 2B is a plan view of the main part of the structure, in which the receiving plate 35a is provided with a horizontal U-shaped notch 35b and has a horizontal fork shape. The horizontal U-shaped part receives the nut 1 from below. The regulation plate 35 is advanced and retracted to the left and right to open and close the exit opening 23. Therefore, the air cylinder 36, which is a driving means, advances and retreats the regulation plate 35.

The air cylinder 36, which is a driving means, is attached to the coupling block member 24. Here, since the regulation plate 35 moves forward and backward at a low position, a bracket plate 37 extending downward is attached to the side surface of the coupling block member 24. It is connected by the fixing bolt 38, and the air cylinder 36 is connected to the bracket plate 37 by the fixing bolt 39. An extension plate 35c extends from the receiving plate 35a and is coupled to the piston rod 40 of the air cylinder 36.

The structure shown in FIG. 2C uses a bracket plate 37, but instead, as shown in FIG. 2D, a vertical member 41 can be used to cope with the height difference. Is.

The configuration other than the above is the same as that of the first embodiment including the portion not shown, and the same reference numerals are given to the members having the same functions.

Next, the operation will be described.

In FIGS. 1A and 1B, the nut 1 enters the temporary fixing chamber 19 and is temporarily locked at a predetermined position, and at the same time, the regulation plate 35 advances and closes the outlet opening 23 of the temporary fixing chamber 19. It is in a state of being. Therefore, the nut 1 cannot fall from the temporary fixing chamber 19. Then, when the supply rod 7 advances, the guide rod 9 passes through the screw hole 3 and the notch 35b, and at the same time, the regulation plate 35 retracts due to the operation of the air cylinder 36, and the nut 1 is supplied to the target location.

The effects of Example 2 described above are as follows.

Since the driving means 32 for relaxing the transport speed of the nut 1 and the driving means 36 for preventing the nut 1 from falling from the temporary fixing chamber 19 are attached to one coupling block member 24, the coupling block member 24 is attached. Reference numeral 24 denotes an improvement in the coupling strength between the outer cylinder 6 and the component supply pipe 11, and attachment of a plurality of driving means 32 and 36, which simplifies the device structure and makes the coupling block member 24 multifunctional.

Other than that, the action and effect are the same as those in the first embodiment.

As mentioned above, the device of the present invention. The coupling rigidity of the outer cylinder and the component supply pipe is improved by interposing the coupling block member, and the driving means of the regulating member that regulates the movement of the component is arranged in a cohesive manner. Therefore, it can be used in a wide range of industrial fields such as a body welding process for automobiles and a sheet metal welding process for home appliances.

1 Parts, projection nut 2 Nut body 3 Screw hole 4 Flange 5 Welding protrusion 6 Outer cylinder 7 Supply rod 8 Sliding rod 9 Guide rod 10 Advance / retreat drive means, air cylinder 11 Parts supply pipe 11a Top surface 14 Curved part 17 Welded part 19 Temporary fixing chamber 20 Magnet 21 Stopper member 23 Outlet opening 24 Coupling block member 24a Lateral side surface 24b Bottom surface 25 Welded part 26 Welded part 27 Regulator pin 28 Guide hole 29 Sliding member 32 Drive means, air cylinder 35 Regulator plate 36 Drive means, air Cylinder

The invention according to claim 1
An advancing / retreating driving means for advancing / retreating the supply rod is joined to an outer cylinder having a circular cross section in which a supply rod for supplying parts is housed, and a temporary fixing chamber is formed at a joint portion between the outer cylinder and the parts supply pipe for transporting parts. In the form in which a stopper member having a magnet for attracting parts is arranged at the end of the temporary fixing chamber,
The connecting block member is composed of a block member in the shape of a cube or a rectangular parallelepiped, and is arranged in a state where the outer cylinder and the component supply pipe are aligned with the corners where the outer cylinder and the component supply pipe intersect at right angles.
In a state where the outer peripheral surface of the outer cylinder is aligned with the lateral side surface of the coupling block member, the length of the coupled welding section along the lateral side surface is increased and the outer peripheral surface is welded to the lateral side surface.
With the upper surface of the component supply pipe in close contact with the lower surface of the joint block member, the length of the joint welded section in close contact is increased to weld the joint block member and the component supply pipe to the outer cylinder. Integrate parts supply pipe,
The component supply device is characterized in that a driving means for a regulating member that regulates the movement of the component is attached to the coupling block member.

Since the connecting block member is attached with the driving means of the regulating member that regulates the movement of parts, the connecting block member can fulfill two functions of the function of arranging the driving means and the function of integrating the outer cylinder and the component supply pipe. It is realized and effective for simplification and compactness of the structure.

The connecting block member 24 is an intermediary member that connects the outer cylinder 6 and the component supply pipe 11, and is made of stainless steel. The shape of the connecting block member 24 can be various shapes such as a cube and a rectangular parallelepiped. Here, it is a rectangular parallelepiped shape. The outer cylinder 6 is welded along the lateral side surface 24a of the coupling block member 24. Instead of welding, bolting using a bracket member can be used, but welding is preferable from the viewpoint of structural simplification. The portion painted in black in FIG. 1B is the welded portion 25.

In FIGS. 2A and 2B, the nut 1 enters the temporary fixing chamber 19 and is temporarily locked at a predetermined position, and at the same time, the regulation plate 35 advances and closes the outlet opening 23 of the temporary fixing chamber 19. It is in a state of being. Therefore, the nut 1 cannot fall from the temporary fixing chamber 19. Then, when the supply rod 7 advances, the guide rod 9 passes through the screw hole 3 and the notch 35b, and at the same time, the regulation plate 35 retracts due to the operation of the air cylinder 36, and the nut 1 is supplied to the target location.

Claims (1)

An advancing / retreating driving means for advancing / retreating the supply rod is joined to an outer cylinder having a circular cross section in which a supply rod for supplying parts is housed, and a temporary fixing chamber is formed at a joint portion between the outer cylinder and the parts supply pipe for transporting parts. In the form in which a stopper member having a magnet for attracting parts is arranged at the end of the temporary fixing chamber,
The outer peripheral surface of the outer cylinder is coupled to the lateral side surface of the coupling block member, the component supply pipe is coupled to the lower surface of the coupling block member, and the outer cylinder and the component supply pipe are integrated.
A component supply device characterized in that a driving means for a regulating member that regulates the movement of the component is attached to the coupling block member.

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