JP2002001468A - Panel conveying apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a panel conveying apparatus capable of improving production capacity in particular mass production. SOLUTION: The panel conveying apparatus 30 is provided in front of a press machine 32 in which a primary pressing portion 36 for performing primary forming to a workpiece and a secondary pressing portion 38 for performing secondary forming of a primary workpiece formed by the primary forming are arranged therein. The panel conveying apparatus is provided with a guide rail 42, a moving body 44 capable of moving along the guide rail 42, and arm portions 46A and 46B capable of reciprocating along both sides of the moving body 44. Thus, the primary workpiece can be moved to the secondary pressing portion 38 in a short time while the secondary workpiece is conveyed, by a conveying mechanism having simplified structure. Further, the primary forming and secondary forming can be simultaneously performed by conveying the workpiece to be subjected to primary forming to the primary pressing portion 36. Accordingly, the panel conveying apparatus enhanced in productivity is achieved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a panel transfer apparatus which enhances productivity particularly in mass production.

[0002]

2. Description of the Related Art In the case of manufacturing a part having a somewhat complicated shape such as an automobile part by press working, it is often difficult to obtain a part having a predetermined shape by one press working. For this reason, it is common practice to divide the press working into several times (for example, two times). Hereinafter, the prior art will be described with reference to specific examples.

Conventionally, when a part is manufactured by performing press working twice, a press machine 83A for performing primary working and a press machine 83B for performing secondary working are installed as shown in FIG.

[0004] In order to manufacture the above-mentioned parts by the press machines 83A and 83B, first, a panel plate 86 is sucked by an attachment 84 attached to the tip of an arm 82 of a transfer device (not shown) to press the press machine 83A. (See FIG. 22), the panel plate 86 is placed on the lower mold 88A of the press machine 83A (see FIGS. 23 and 24), and primary processing is performed by the press machine 83A. (FIG. 25
reference).

[0005] Next, the primary processing of the panel plate 86 is performed.
The next work part 90 is taken out of the press machine 83A by the arm 82 (see FIG. 26), transported to the press machine 83B (see FIG. 27), and the lower die 8 of the press machine 83B is pressed.
8B (see FIGS. 28 and 29).

Further, secondary processing is performed by the press machine 83B (see FIG. 30), and the secondary processed parts 94 formed by the secondary processing are taken out of the press machine 83B by the arm 82.

The panel plate 86 is attracted to the mold 88A.
For transferring a panel work to be mounted on the die, a primary processing component 90 for sucking the primary processing component 90 and mounting it on the mold 88B, and a suction for sucking the secondary processing component 94. It is also widely used to use a secondary work component transfer arm to be taken out from the machine 83B in place of the arm 82.

[0008] By the way, there has been a demand for shortening the time required for the primary processing and the secondary processing to increase the productivity. This demand is particularly strong in mass production.

[0009]

SUMMARY OF THE INVENTION In view of the above fact, an object of the present invention is to provide a panel transfer device which enhances productivity particularly in mass production.

[0010]

According to the first aspect of the present invention, there is provided a first press working section for performing primary forming on a workpiece, and a second press forming section for performing primary forming on the workpiece. A panel transfer device provided in a press machine having a second press working unit for performing the next forming, wherein a guide rail provided in the press machine from the first press work unit to the second press work unit; A moving body that is mounted orthogonal to the guide rail and reciprocates along the guide rail, and reciprocates independently along the moving body,
It is characterized by comprising two arms each having a holding means for holding a workpiece at its tip, and lifting means for lifting and lowering the two arms.

Here, the term "workpiece" is a general term for a workpiece to be primarily formed, a primary work to be primarily formed, and a secondary work to be formed secondarily.

According to the first aspect of the present invention, the primary workpiece can be transported to the second press working section while the secondary workpiece is carried out by the transport mechanism having a simple configuration. Therefore, the time required for press working can be reduced.
This can have a particularly great effect when performing mass production.

[0013] According to the second aspect of the present invention, there are provided n (n is a natural number of 3 or more) press-formed portions arranged at equal intervals between adjacent press-formed portions. A press machine that performs n stages of press working up to forming, a guide rail provided on the press machine over the n press working parts, and mounted perpendicular to the guide rail, and reciprocates along the guide rail. And (n−1) from the primary workpiece
A first arm having a simultaneous holding means at the tip for simultaneously holding up to the next workpiece, and a second arm having a n-th workpiece holding means at the tip for reciprocating along the moving body and holding the n-th workpiece And elevating means for elevating and lowering the first arm and the second arm. The n-th workpiece is carried out of the press machine, and the (n-1) -th workpiece is converted from the first workpiece. And can be simultaneously conveyed to adjacent press working parts.

Thus, when mass-producing the n-th processed product, the time required for the above-described transport and unloading can be greatly reduced, and the productivity can be increased.

According to a third aspect of the present invention, the simultaneous holding means is constituted by (n-1) holding portions provided at the same interval as the adjacent interval of the pressed portion. I do.

Thus, the simultaneous transfer from the primary work to the (n-1) -th work can be realized by a transfer mechanism having a simple configuration.

According to a fourth aspect of the present invention, the simultaneous holding means and the n-th workpiece holding means suction the transferred object by suction by air suction.

Thus, it is possible to easily hold and release the held object.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a panel transfer device 30 according to a first embodiment includes a press machine 3 for press working.
2 is a panel transfer device attached to the front surface of the panel 2.

As shown in FIG. 2A, a pressing machine 32
, A primary press processing section 36 provided with a mold for primary molding and a secondary press processing section 38 provided with a mold for secondary molding are arranged side by side. The mold for primary molding and the mold for secondary molding are both a lower male mold part,
And the upper female mold part.
As shown in FIG. 10, the upper mold part 39U and the lower male mold part 39L are used, and the mold for secondary molding is the same as that shown in FIG.
(B), as shown in FIG. 10 and FIG. 10, an upper female part 40U and a lower male part 40L).

As shown in FIGS. 1 and 2, the panel transfer device 30 has a guide rail 42 provided horizontally on the front surface of the press machine 32, and can move along the guide rail 42 (in the direction of FIG. 1). (Movable) moving body 44.

The moving body 44 is elongate and is mounted in a direction perpendicular to the guide rail 42.
Arms 46 for adsorbing the object to be transported are provided on both sides of 4.
A and B are attached. Guide paths 50A and 50B (see FIG. 1) for guiding the arms 46A and 46B in a direction orthogonal to the guide rails 42 are formed on both sides of the moving body 44, respectively. Can move along the guide paths 50A and 50B, respectively (FIG. 2 (A)
, Can be moved in the directions of.

The arm portion 46A has a shaft portion 52A movable in a vertical direction (direction of FIG. 2B) perpendicular to the guide path 50A, and a primary molded and attached to the shaft portion 52A. And an attachment 54A for holding the workpiece by suction by air suction. Similarly, the arm portion 46B has a shaft portion 52B and an attachment 54B for sucking and holding a secondary molded part formed by secondary molding.
B can move in the vertical direction (the direction of FIG. 2B). At the ends of the attachments 54A and 54B, suction portions (vacuum cups) 56A and 56B are provided, respectively.

With the above configuration, the panel transport device 30
Is capable of freely transporting an object to be transported along five axes of (1) to (3) in a horizontal direction (X-axis direction and Y-axis direction in FIG. 1) and a vertical direction (Z direction in FIG. It can be said that it is a transfer robot that can freely transfer in the axial direction.

Table 1 summarizes the performance of the panel transfer device 30 and the like.

[0026]

[Table 1]

Hereinafter, a method of using the panel transfer device 30 will be described. In addition, in the drawings attached to this specification, the peripheral part of the primary processed part formed by primary molding is hatched, and the peripheral part of the secondary processed part formed by secondary molding is marked with x. But
This is for the purpose of making the distinction between the primary processing component and the secondary processing component easy to understand, and does not indicate that the processing region is limited to the peripheral portion.

First, the panel plate 60 to be subjected to the primary processing is placed on the male mold portion 39L, which is the lower mold of the primary press processing portion 36, by using a panel plate transfer arm (not shown). It is transported and placed (see FIGS. 3 and 4).

Next, press processing is performed by the primary press processing section 36 (see FIG. 5). Further, the arm section 46A is advanced along the Y axis, and the primary processing component 62 is sucked by the arm section 46A (FIG. 5). 6).

Subsequently, the moving body 44 is moved in the XL direction of FIG. 7 to convey the primary processing part 62 onto the male mold part 40L, which is the lower mold of the secondary press working part 38. (FIG. 7
), And placed on the male part 40L.

Then, while retracting the arm 46A,
The moving body 44 is moved in the XR direction in FIG.
A and B are made to stand by at the stand-by position (see FIG. 8). In the present specification, the standby position means that the moving body 44 is located at the center of the guide rail 42 and the arm portions 46A and 46B are
4, the height of the attachments 54A, B is slightly higher than the male portions 39L, 40L, and the attachments 5A, 5B are advanced by moving the arms 46A, B forward.
4A and 4B are positions in a state where they can be moved to positions slightly above the male sections 39L and 40L, respectively.

Next, a new panel plate 70 is placed on the male part 39L of the primary press processing part 36A (see FIGS. 9 and 10). The new panel plate 70 may have been subjected to a predetermined process in the previous step. It is to be noted that a new panel plate is prepared in advance at a position where it can be put into the press machine 32 (for example, it is previously stacked on the back side of the press machine 32).

While the arm 46A is being moved to the standby position, a new panel plate 70 is moved by the arm 46A.
It may be placed on the male part 39L of the next press working part 36. Thereby, the time can be further reduced.

Subsequently, the female mold parts 39U and 40U (see FIG. 10) of the primary press working part 36 and the secondary press working part 38 are simultaneously lowered, and the primary work part 62 is lowered by the secondary press working part 38. The secondary forming and the primary pressing of the panel plate 60 by the primary press processing section 36 are performed simultaneously (see FIG. 11). Simultaneously lowering the female mold portions 39U and 40U can be easily performed by lowering the press plate 41 (see FIG. 10) to which the female mold portions 39U and 40U are attached.

Further, the arms 46A and 46B are advanced and
The secondary processing component 64 formed by secondary forming the secondary processing component 62 is sucked and held by the arm 46B, and the primary processing component 72 formed by primary forming the panel plate 70 is sucked and held by the arm 46A. See FIG. 12).

Next, the moving body 44 is moved to the end (the end in the XL direction in FIG. 13) of the guide rail 42 on the side of the secondary press working portion 38 while retracting the arm portion 46B.
The primary processing part 72 is converted into the male part 40 of the secondary press processing part 38.
L (see FIG. 13).

Further, the primary processed part 72, the secondary processed part 6
4 are respectively moved downward by the shaft portions 54A, B (see FIG. 1) to release the attachments 54A, B, and to move and stop the moving body 44 and the arm portions 46A, B to the standby positions (FIG. 14). reference). As a result, the secondary processing component 64 is placed on the mounting table 66 (see FIG. 1),
The primary part 72 is the male part 40 of the secondary press part 38.
L.

The secondary processing part 64 is transported by another arm (not shown), a conveyor or the like. The secondary processed part 64 is a part that constitutes the body of an automobile, for example, as shown in FIG.

Subsequently, a new panel plate is placed on the male part 39L of the primary press working part 36 (see FIG. 9), and the primary molding and the secondary molding are simultaneously performed in the same manner.

As described above, in the above embodiment,
The primary molding and the secondary molding are performed simultaneously, and the secondary molded component 72 can be transported to the secondary press working section 38 while the primary molded component 62 is carried out. It is possible to greatly reduce the time required to manufacture the secondary processed part by performing the subsequent forming.

Similar functions and effects can be obtained even if the molds of the primary press section 36 and the secondary press section 38 are male on the upper side and female on the lower side. Also,
Without moving from the primary press processing section 36 to the secondary press processing section 38, the primary processed parts 72 and 2 shown in FIG.
It is also possible to simultaneously carry out the next work part 64 out of the primary press working part 36 and the secondary press working part 38.

The attachment 54A in the above embodiment,
The basic trajectory of the movement of B is shown in FIG. The solid line is a trajectory when holding the transferred object (panel plate or processed part), and the broken line is a trajectory when not holding the transferred object.

As shown in FIG. 17, the secondary pressing section 3
The movement locus of the arm 46B may be changed by bringing the mounting position of the secondary processing component 64 taken out from the position 8 closer to the secondary pressing section 38. Thereby, the arm part 4
The distance for moving 6B can be reduced, and the time required for press working can be further reduced.

Hereinafter, a panel transport device according to the second embodiment will be described. As shown in FIG. 18, the panel transfer device 75 according to the second embodiment is a panel transfer device attached to the front of a press machine 76 that performs press working.

The press machine 76 includes a primary press processing section 76A for performing primary processing, a secondary press processing section 76B for performing secondary processing, a tertiary press processing section 76C for performing tertiary processing, and a quaternary processing. The fourth press working parts 76D that perform the above-mentioned steps are sequentially arranged at the same pitch P with the same interval. First
As in the case of the embodiment, each press working portion has a die for press working.

The panel transfer device 75 has a guide rail 77X horizontally arranged on the front surface of the press machine 76, and a movable body 77Y movable along the guide rail 77X.

The moving body 77Y is, like the first embodiment, elongated and attached in a direction orthogonal to the guide rail 77X. Arms for adsorbing the object to be conveyed are provided on both sides of the moving body 77Y. 78A and 78B are attached.

As in the first embodiment, guide paths (not shown) are formed on both sides of the moving body 77Y.
8A and 8B are respectively movable along the guide path and are also movable in the vertical direction.

The arm portion 78A is formed by a fourth processing.
It has an attachment 81T at the tip for sucking the next processed part.

The arm 78B is provided with a pipe 78P at the tip thereof. At this pipe 78P, attachments 81U to 81W for adsorbing the primary processing component, the secondary processing component, and the tertiary processing component by air suction are provided. Are mounted at equal intervals of the pitch P. Further, the distance between the attachment 81T and the attachment 81U is also P.

Hereinafter, a method of using the panel transfer device 75 when mass-producing the quaternary molded part will be described. In addition, in the drawings attached to this specification, a hatched portion is shown around the periphery of the primary processed part.
The X mark on the periphery of the secondary processed part, the △ mark on the slightly central part of the tertiary processed part, and the ▽ on the slightly central part of the quaternary molded part, It is provided to make the distinction easy to understand, and does not indicate that the processing region is limited.

As shown in FIG. 18, the primary pressing section 7
In the state where the panel plate 79M, the primary processing component 79A, the secondary processing component 79B, and the tertiary processing component 79C are placed on the lower molds of the respective 6A to 4th press processing parts 76D,
Press working by each press working part is performed simultaneously. As a result, as shown in FIG. 19, a primary processed part 80A formed by forming the panel plate 79M, a secondary processed part 80B formed by forming the primary processed part 79A, and a secondary processed part 79B are formed. A tertiary processed part 80C is formed by molding the tertiary processed part 80C and the tertiary processed part 79C.

Next, the arm portions 78A and 78B are advanced, and as shown in FIG.
Adsorbed by B. At the same time, the primary processing part 80
A, secondary processing part 80B, and tertiary processing part 80C
Is adsorbed by the attachments 81U to 81W, respectively.

Further, by moving the moving body 77Y while retracting the arm portion 78A, as shown in FIG.
Each of the tertiary processed parts 80C from 0A is conveyed onto the die of the next pressed part.

Then, the arm part 78 is lowered so that the quaternary processing part 80D is placed on a mounting table (not shown), and the arm part 78B is lowered so that the primary processing parts 80A to 80A-3.
The next work part 80C is placed on the mold. Further, when a new panel plate is placed on the lower mold of the primary press working portion 76A while returning the moving body 77Y to the standby position, FIG.
The state is the same as the state shown in FIG.

Next, press working is performed simultaneously in the same manner.

As described above, in the second embodiment, the first to fourth moldings are performed at the same time, and then the tertiary processing parts are simultaneously transferred from the first processing parts while the fourth processing parts are being carried out. Therefore, the time required for mass-producing the quaternary processed part can be significantly reduced. Also,
The above unloading and transporting are performed by a panel transporting device 75 having a simple configuration.
It is realized by.

[0058]

According to the present invention having the above-described configuration, the following effects can be obtained.

According to the first aspect of the present invention, the primary workpiece can be transported to the second press working section while the secondary workpiece is carried out by the transport mechanism having a simple configuration. Therefore, the time required for press working can be reduced.
This can have a particularly great effect when performing mass production.

According to the second aspect of the present invention, when mass-producing an n-th processed product (n is a natural number of 3 or more),
The time required for carrying out can be greatly reduced, and productivity can be increased.

According to the third aspect of the present invention, simultaneous transfer from the primary work to the (n-1) -th work can be realized by a transfer mechanism having a simple configuration.

According to the fourth aspect of the present invention, it is possible to easily hold and release the held object.

[Brief description of the drawings]

FIG. 1 is a perspective view of a panel transport device according to a first embodiment.

FIGS. 2A and 2B are a schematic plan view and a schematic side view, respectively, showing the configuration of the panel transport device according to the first embodiment.

FIG. 3 is a schematic plan view showing a state in which a panel plate is suction-held by the panel transport device according to the first embodiment.

FIG. 4 is a schematic plan view showing that the panel plate shown in FIG. 3 has been moved onto a lower mold of a primary press working portion.

FIG. 5 is a schematic plan view showing a state where the panel plate shown in FIG. 4 is placed on a lower mold of a primary press working portion.

FIG. 6 is a schematic plan view showing that the panel plate shown in FIG. 5 is primarily formed by a primary pressing section.

FIG. 7 is a schematic plan view showing that the primary work part shown in FIG. 6 has been moved to a secondary press working part.

FIG. 8 is a schematic plan view showing that the panel transport device has been moved to a position in a standby state in the first embodiment.

FIG. 9 shows a first embodiment in which a primary molded part is placed on a lower mold of a secondary press section and a new panel plate is placed on a lower mold of a primary press section. It is a schematic plan view which shows having mounted.

FIG. 10 is a front sectional view taken on line 10-10 of FIG. 9;

FIG. 11 is a schematic plan view showing that the primary molded part and the panel board shown in FIGS. 9 and 10 are simultaneously molded to produce a secondary molded part and a primary molded part.

12 is a schematic plan view showing that the secondary molded part and the primary molded part shown in FIG. 11 are simultaneously suction-held.

FIG. 13 is a schematic plan view showing that the secondary molded part and the primary molded part shown in FIG. 12 have been simultaneously conveyed.

FIG. 14 is a schematic plan view showing that an object to be conveyed is placed in the state shown in FIG. 13 and the panel conveying device has been further moved to a standby position.

FIG. 15 is a perspective view showing an example of a secondary molded part molded in the first embodiment.

FIG. 16 is a plan view showing the trajectory of the attachment when performing press working in the first embodiment.

FIG. 17 is a plan view showing a modification of the trajectory of the attachment when performing press working in the first embodiment.

FIG. 18 is a diagram illustrating a state where the first to third working parts are respectively carried from the second pressing part to the fourth pressing part and the panel plate is carried into the first pressing part in the second embodiment. FIG.

FIG. 19 is a plan view showing that the workpieces in the state shown in FIG. 18 are simultaneously formed and primary to quaternary processed components are formed.

20 is a plan view showing that the workpieces shown in FIG. 19 are simultaneously held by arm portions.

FIG. 21 is a plan view showing that from the primary processing component to the tertiary processing component has been transported to an adjacent press processing unit while the quaternary processing component is being carried out in the state shown in FIG. 20;

FIG. 22 is a schematic plan view showing that a panel plate is conveyed to a press machine that performs primary forming when performing press working with a conventional press machine.

FIG. 23 is a schematic plan view showing that a panel plate is placed on a lower mold of a press machine for performing primary molding when performing press working with a conventional press machine.

FIG. 24 is a front sectional view taken along line 24-24 in FIG. 23;

FIG. 25 is a schematic plan view showing that the panel plate in the state shown in FIGS. 23 and 24 is primarily formed.

FIG. 26 is a schematic plan view showing that the primary molded part shown in FIG. 24 is carried out.

FIG. 27 is a schematic plan view showing that the primary molded part shown in FIG. 26 is carried into a press machine that performs secondary molding.

FIG. 28 is a schematic plan view showing that the primary molded part shown in FIG. 27 is placed on a lower mold of a press machine for performing secondary molding.

FIG. 29 is a front sectional view taken along line 29-29 of FIG. 28;

FIG. 30 is a schematic plan view showing that the primary molded part in the state shown in FIGS. 28 and 29 is secondary molded.

[Explanation of symbols]

 Reference Signs List 30 Panel transfer device 32 Press machine 36 Primary press processing section (first press processing section) 38 Secondary press processing section (second press processing section) 42 Guide rail 44 Moving body 46A, B Arm section (arm) 52A, B Shaft part (elevating means) 54A, B Attachment (holding means) 56A, B Suction part (suction means) 75 Panel transfer device 76 Press machine 76A Primary press working part (press working part) 76B Secondary press working part (press working) Part) 76C Tertiary press processing part (press processing part) 76D Quaternary press processing part (press processing part) 77 Guide rail 77Y Moving body 78A, B arm part (first arm, second arm) 81T Attachment (n-th processing) Object holding means) 81U-W attachment (simultaneous holding means) 82 Arm 83A, B Press machine 84 Attach Placement

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Keiichiro Tokita 4-12 Oyamacho, Sagamihara City, Kanagawa Prefecture Inside Central Motor Co., Ltd. (72) Inventor Yutaka Tanaka 4-12 Oyamacho, Sagamihara City, Kanagawa Prefecture Central Automobile Co., Ltd. F-term (reference) 4E090 AA01 AB01 EC04 FA02

Claims (4)

[Claims] 1. A press machine having a first press working section for performing primary forming on a workpiece and a second press working section for performing secondary forming on a primary work formed by the primary forming. And a guide rail provided on the press machine from the first press working portion to the second press working portion, and mounted orthogonally to the guide rail, and mounted on the guide rail. A moving body that reciprocates along two moving bodies; two arms that reciprocate independently along the moving body, each having a holding unit at a distal end for holding a workpiece; and a lifting unit that moves up and down the two arms A panel transport device, comprising: 2. n arranged at uniform intervals between adjacent ones
A panel transfer device provided in a press machine having a number (n is a natural number of 3 or more) of press working portions and performing n-stage press working from primary molding to n-th molding on a workpiece, a guide rail provided on the press machine over n press working parts; a moving body attached orthogonally to the guide rail and reciprocating along the guide rail; From the primary workpiece (n-
1) a first arm having a simultaneous holding means at its tip for simultaneously holding up to the next work, and n for reciprocating along the moving body and holding the n-th work
A second arm having a next workpiece holding means at its tip, and a lifting means for lifting and lowering the first arm and the second arm, and carrying out the n-th workpiece from the press machine;
A panel transfer device capable of simultaneously transferring from the primary work to the (n-1) th work to adjacent press working units. 3. The simultaneous holding device according to claim 2, wherein the simultaneous holding unit includes (n−1) holding units provided at the same interval as adjacent intervals of the press working unit. Panel transfer device. 4. The panel transport apparatus according to claim 2, wherein the simultaneous holding unit and the n-th workpiece holding unit suck the object by suction by air suction.