JP2008222320A - Workpiece piling means - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a piling assist tool capable of restricting outbreak of failed products in processing of workpieces by preventing the workpieces from being damaged by preventing misalignment in piling. <P>SOLUTION: This piling assist tool 10 can pile each workpiece W without misalignment by engaging with each of the plurality of workpieces W and being overlapped with a workpiece W body in a process for manufacturing the workpiece W. This piling assist tool 10 comprises magnetic members 11 disposed to be attracted to each other by magnetic force in at least an upper and a lower surfaces of the piled workpieces W. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a workpiece stacking means in which workpieces are stacked so as not to be displaced in a manufacturing process so that the workpieces do not collide with each other to prevent damage and suppress the occurrence of defective products. Is.

If a plurality of workpieces are stacked during conveyance or storage of the workpiece, the workpieces may be damaged due to vibration during conveyance. The upper and lower ends of the workpieces that overlap each other for the purpose of preventing such scratches. Usually, a stacking auxiliary tool is interposed between the two and fixed and placed while maintaining a gap.
Various such stacking aids have been proposed. However, in Patent Document 1, for example, when the workpiece is a plate glass, the front and rear width of the stacking aid head is larger than the glass thickness. A stacking auxiliary tool in which the lower side is thicker than the upper side is disclosed.

Japanese Utility Model Publication No. 61-3823

On the other hand, as shown in FIG. 5, when the work W is a structure (for example, a radiator for an automobile) assembled with predetermined parts, an inspection process such as a leak inspection is interposed in the manufacturing process. In this case, the radiator The core portion 1 includes a plurality of small-diameter pipes 3 that allow cooling water that has been heated by the engine to flow around a surface surrounded by an outer frame member 2, and fins 4 for improving heat dissipation on the outer periphery of the pipe 3. Is a complicated and delicate structure.
In the workpiece W having such a structure, it is natural that there is no liquid leakage from the pipe 3 or the like, and therefore an inspection process (leakage inspection) is essential. This leak test is performed by injecting a test fluid (for example, helium gas He) into the pipe 3. For this purpose, stoppers 5 for sealing the filled test fluid are provided at the inlet 3in and the outlet 3out connected to the small diameter pipe 3 constituting the core portion 1 of the radiator.
Then, the workpieces W in this state are stacked in a plurality of stages and transferred to the inspection process.

However, when the workpieces W are stacked, the contact surfaces between the workpieces W may not be sufficient or may not be flat, which may cause deviation during the inspection process (see FIG. 6). The frame member 2 and the stopcock 5 may cause damage (indentation) in which the pipes 3 and the fins 4 in the core portion 1 are crushed, resulting in poor appearance and leakage.
The present invention has been proposed in order to solve the above-described problems, and stacks the workpieces so as not to be displaced during workpiece transportation, storage, etc., and damages such as dents on the workpiece center portion. The aim is to propose a means for stacking workpieces.

In order to improve the above-described problem, the invention according to claim 1 is configured to engage each of the plurality of workpieces (W) and overlap each other together with the workpiece (W) main body in the manufacturing process of the workpiece (W). In this way, each work (W) is stacked without any deviation, and is provided with a stacking auxiliary tool (10), and has stacking upper and lower surfaces that are stacked one above the other. It is characterized by comprising a magnetic member (11) arranged to fit.
When stacking the workpieces (W), the stacking auxiliary tools (10) engaged with the workpieces (W) are attracted to each other by the magnetic members (11) provided on the upper and lower surfaces of the stacking, and the workpiece (W) is not displaced. You can stack each other. Therefore, the workpiece (W) is not damaged by the adjacent workpiece (W) or the stacking auxiliary tool (10) of the workpiece (W).

The invention according to claim 2 is configured such that, in the manufacturing process of the workpiece (W), each workpiece (W) is displaced by engaging each of the plurality of workpieces (W) and superimposing them together with the workpiece body. It has a stacking auxiliary tool (10) that stacks without being stacked, has stacking upper and lower surfaces that are stacked on top of each other, and includes a locking member (12) that is detachably mounted on these stacking upper and lower surfaces. It is characterized by doing.
When stacking the workpieces (W), the stacking auxiliary tools (10) engaged with the workpieces (W) are engaged with each other by the engaging members (12) provided on the upper and lower surfaces of the stacking so that the workpieces are not displaced. (W) can be stacked. Therefore, the workpiece (W) is not damaged by the adjacent workpiece (W) or the stacking auxiliary tool (10) of the workpiece (W).

In the invention according to claim 3, the workpiece (W) is a core portion (1) in a radiator in which a cooling pipe (3) having fins (4) surrounded by an outer frame member (2) is disposed. And the stacking auxiliary tool (10) is detachably mounted on the outer frame member (2).
When the workpiece (W) is stacked, the workpiece (W) can be guided without deviation by the stacking auxiliary tool (10), so that the fin (4) surrounded by the outer frame member (2) or the cooling pipe (3) It can be avoided that the stack holding tool (10) hits and damages such as crushing.

In the invention according to claim 4, the stacking auxiliary tool (10) closes the inlet / outlet of the cooling pipe (3) provided in the outer frame member (2) and fills the cooling pipe (3). A stopper part (13) that seals the fluid for leak inspection, and a block part that is fixed to the stopper part (13) and extends in the axial direction of the stopper part (13) to form the upper and lower surfaces of the stack ( 14), and the magnetic member (11) is disposed in the block portion (14).
The magnetic member (11) in the block portion (14) of the stopper portion (13) can stabilize the stacking of the workpieces (W), and the inspection fluid is sealed in the work to be put into the inspection process. A stacking operation can be performed together with the operation.

The invention according to claim 5 is characterized in that magnetic members (11) having different polarities are arranged on the upper and lower surfaces of the block portion (14) so as to face each other.
When stacking the workpieces (W), the block portions (14) can easily stack the workpieces (W) without attracting each other and shifting.

The invention according to claim 6 is characterized in that the engaging member (12) is a hook-and-loop fastener.
When stacking the workpiece (W), the stacking auxiliary tool (10) can be easily coupled with the hook and loop fastener, and the workpiece (W) is not displaced during the inspection.

Furthermore, the invention according to claim 7 is characterized in that the engaging member (12) is a snap fastener.
When stacking the workpiece (W), the stacking auxiliary tool (10) can be easily coupled with the snap fastener, and the workpiece (W) is not detached during the inspection.

  In addition, the code | symbol in the parenthesis of each said means is an example which shows a corresponding relationship with the specific means of embodiment mentioned later.

  FIG. 1 shows a state where a stacking auxiliary tool 10 used as a stacking unit for workpieces according to the present invention is mounted on a core portion 1 of a radiator as a workpiece W. In addition, the core part 1 of a radiator is a thing of the same structure as the core part 1 of the radiator shown by FIG. 4, The detailed description is abbreviate | omitted here.

The stacking assisting tool 10 is used in a leak inspection process in the manufacturing process of the radiator core 1, and helium gas He, which is a test fluid, is stretched in one surface surrounded by the outer frame member 2 in the core 1. A stopper 13 is provided to fill the inside of the small-diameter pipe 3 that has been circulated, fit into the inlet 3 in and the outlet 3 out connected to the pipe 3, and seal the helium gas He.
In addition, the stacking auxiliary tool 10 includes a block unit 14 that is integrally fixed to the stopper portion 13 and that extends in the axial direction and forms stacking upper and lower surfaces. The magnetic member 11 is disposed on the upper and lower surfaces of the block portion 14 as will be described in detail later.
Further, in the stacking assisting tool 10, a pair of locking locking pieces 15, 15 are provided on both sides of the intermediate portion of the block portion 14, for example, elastically against the outer peripheral portion of the stopper portion 13. On the other hand, the shaft is fixed to be displaceable under this elastic force.

  The stopper part 13 has an O-ring 16 interposed between the inlet 3in and outlet 3out of the pipe 3 and acting to seal the inlet 3in and outlet 3out at an intermediate position and an outer peripheral part.

Further, although not shown in detail, the block portion 14 is constituted by a block member having a substantially trapezoidal outer shape. On the upper and lower surfaces of the stack, the magnetic member is provided on both sides of the shaft locking portions of the pair of locking pieces 15 and 15. 11 are arranged in four places.
That is, the magnetic member 11 has a predetermined magnetic force of an appropriate magnetic material and has a minute cylindrical shape.
These magnetic members 11 have such a magnetic force that the workpieces W can be held without shifting when the workpieces W are stacked. In this case, the magnetic members 11 adjacent to each other have different polarities, and the magnetic members 11 facing diagonally are arranged in the same polarity.
And the arrangement | sequence of the magnetic member 11 in the block part 14 of the stacking auxiliary tool 10 overlapped with this stacking auxiliary tool 10 is made into the arrangement | sequence used as the opposite polarity.

Since the stacking auxiliary tool 10 used in the present invention is configured as described above, in the manufacturing process of the radiator core part 1 which is the work (W), the leakage inspection which is essential is described. The procedure of will be described.
For example, (1) assembly process, (2) flux application, (3) pipe assembly, (4) integral brazing furnace, (5) helium He leakage inspection machine , (6) The finished product is passed through a packing applicator.
Here, as an essential leak test, (5) helium He leak tester is executed.

(5) In the leak inspection performed in the helium He leak inspection machine, helium gas is filled into the small diameter pipe 3 from the inlet 3in and the outlet 3out connected to the small diameter pipe 3 in the core portion 1 of the radiator to be inspected.
Next, the stacking auxiliary tool 10 is attached to the inlet 3 in and the outlet 3 out connected to the small-diameter pipe 3.
Next, the core part 1 which is a work to which the stacking auxiliary tool 10 is attached is overlapped, and in this state, the core part 1 is sent to a leak inspection apparatus (not shown) to perform a predetermined leak inspection.
When the leak inspection is completed, the core part 1 is taken out, the stacking auxiliary tool 10 is removed from the core part 1, and the next process (6) is sent to a packing applicator.

Here, a procedure for attaching the stacking auxiliary tool 10 to the inlet 3in and the outlet 3out connected to the pipe 3 will be described.
The operator grasps the pair of locking pieces 15 and 15 of the stacking auxiliary tool 10 and inserts the stopper portion 13 into the inlet 3in and outlet 3out of the pipe 3 so as to seal the inlet 3in and outlet 3out ( (See FIG. 2). When the hand is released from the locking pieces 15, 15, the locking pieces 15, 15 engage with the outer edge portions constituting the inlet 3 in and the outlet 3 out, so that the stacking auxiliary tool 10 is attached to the core portion 1 without falling off. Can be fixed.

And the several core part 1 (here two) which fixed the stacking auxiliary tool 10 is piled up so that the stacking auxiliary tool 10 fixed to each core part 1 may mutually overlap.
Then, since the arrangement of the magnetic members 11 in the block portion 14 of the stacking assisting tool 10 overlapping each other is an array having opposite polarities, the stacking assisting tools 10 fixed to both the core parts 1 are attracted to each other and shifted. Without overlapping (see FIG. 3).
For this reason, the stacking aid 10 or the outer frame member 2 of the opposing core part 1 hits the pipe 3 and the fin 4 of the core part 1 having a delicate structure to cause damage such as dents. Absent.

In this way, the operator does not need to sharpen the nerve as before when the core portion 1 is overlapped, and does not cause dents and the like, so that the inspection work can be performed easily and reliably. Can be carried out.
Therefore, the generation of defective products due to carelessness of the operator can be prevented as much as possible, and it is possible to contribute to improvement of yield without waste.

As described above, the stacking assisting tool 10 according to the present invention has been described by taking the core portion of the radiator as an example of the work. However, the technique using the stacking assisting tool 10 of the present invention is also applicable to other works. Of course, it is effective.
In addition to the magnetic member 11 as the suction means in the stacking assisting tool 10, an engaging member 12 is also possible (see FIG. 4). Although illustration is abbreviate | omitted as the engaging member 12, for example, a well-known hook fastener, a snap fastener, etc. can be considered. Any other means that can be attached to and detached from each other can be applied to the stacking aid 10 of the present invention.

It is a schematic explanatory drawing which shows an example of the stacking auxiliary tool used as the stacking means of the workpiece | work concerning this invention, and the core part of the radiator which mounted | wore with this stacking auxiliary tool. It is principal part perspective explanatory drawing at the time of mounting | wearing the stacking auxiliary tool shown in FIG. 1 to the core part of a radiator. It is a perspective explanatory view which shows the state which accumulated the core part using the stacking auxiliary tool shown in FIG. It is a schematic diagram which shows another example of the stacking auxiliary tool used as the stacking means of the workpiece | work concerning this invention. It is a schematic explanatory drawing which shows an example of the core part of the radiator using the conventional stacking auxiliary tool. It is perspective explanatory drawing which shows the state of the stacking | deviation deviation which generate | occur | produces when a core part is stacked using the conventional stacking auxiliary tool.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Stacking aid 11 Magnetic member 12 Engaging member 13 Stopper part 14 Block part 15 Locking piece 16 O-ring W Workpiece

Claims (7)

  In the manufacturing process of the workpiece (W), the stacking assist is achieved by engaging each of the plurality of workpieces (W) and superimposing them together with the workpiece (W) body so that the workpieces (W) are stacked without deviation. Comprising a magnetic member (11) provided with a tool (10), having stacked upper and lower surfaces that are stacked one above the other, and arranged so as to be attracted to each other by magnetic force. A means of stacking workpieces.   In the manufacturing process of the workpiece (W), the stacking auxiliary tool (10) is configured to engage each of the plurality of workpieces (W) and overlap each other with the workpiece body so that the workpieces (W) are stacked without deviation. And a stacking means for stacking workpieces, wherein the stacking means is detachably engaged with the stacking upper and lower surfaces. .   The workpiece (W) is a core portion (1) in a radiator in which a cooling pipe (3) having fins (4) surrounded by an outer frame member (2) is disposed, and the workpiece (W) is attached to the outer frame member (2). The workpiece stacking means according to any one of claims 1 and 2, wherein the stacking auxiliary tool (10) is detachably mounted. The stacking auxiliary tool (10) closes the inlet / outlet of the cooling pipe (3) provided in the outer frame member (2) and seals the leakage inspection fluid filled in the cooling pipe (3). A stopper part (13) to perform,
A block portion (14) fixed to the stopper portion (13) and extending in the axial direction of the stopper portion (13) to form an upper and lower surface;
Comprising
The workpiece stacking means according to any one of claims 1 and 3, wherein the magnetic member (11) is disposed in the block portion (14).   5. The workpiece stacking means according to claim 4, wherein magnetic members (11) having different polarities are arranged on the upper and lower surfaces of the block portion (14) so as to face each other.   The work stacking means according to claim 2, wherein the engaging member (12) is a hook-and-loop fastener.   The work stacking means according to claim 2, wherein the engaging member (12) is a snap fastener.

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