JP6971615B2 - Assembly manufacturing method and assembly equipment - Google Patents

Description

The present invention relates to an assembly manufacturing method and an assembly apparatus for molding a plurality of parts using a molding die and manufacturing an assembly with the plurality of parts.

Conventionally, a plurality of parts are molded using a molding die, each molded part is supplied to an assembly line, and an assembly is assembled by a person or an assembly robot. In recent years, an assembly method for molding and assembling various parts using a molding die has been proposed (Patent Document 1). In Patent Document 1, a molding operation of filling a molding die cavity with a molten resin to form a plurality of parts and an assembly operation of assembling an assembly with a plurality of molded parts are alternately performed. Specifically, in the molding operation, after the assembly operation, the mold having the movable mold and the fixed mold is opened, each molding portion of the fixed mold is moved to the molding position, and then the molding mold is molded. The cavity formed in the molded portion was filled with molten resin to mold the part. In the assembling operation, after the molding operation, the molding die is opened, each fixed molding part holding the molded part is moved to an assembly position facing each movable mold assembly part, and then the molding die is molded. Then, in the molded state, the pin was projected from the molded part of the fixed mold to assemble the assembly.

Japanese Patent No. 3781327

However, in the conventional method, it is necessary to alternately perform the molding operation and the assembling operation, and to open and fasten the mold for each operation, so that the production efficiency of the assembly is low.

Therefore, an object of the present invention is to improve the production efficiency of the assembly.

The assembling device of the present invention includes a molding die having a first mold and a second mold facing the first mold, and a plurality of parts are molded by the molding die, and the assembly having the plurality of parts is provided. An assembly device for assembling an article, wherein the first type has a plurality of molding unit groups having two or more first molding portions having the same shape, includes a movable first moving portion, and the first moving portion. The unit includes a plurality of rotating disks having the same number as the plurality of forming unit groups, each of the plurality of rotating disks has one said forming unit group, and the second type has a plurality of second forming units. And a plurality of assembly parts, and the first moving part has the first molding part holding the parts in each molding part group facing the assembly part, and each molding part group. The first molded portion, which is different from the first molded portion holding the component, is moved to a position facing the second molded portion, and is moved to the first molded portion by the mold clamping operation of the molding mold. The held parts are supplied to the assembly part for assembly, and the first molding part and the second molding part different from the first molding part holding the parts in each molding part group. It is characterized in that a cavity for molding the component is formed by the portion .
Further, the method for manufacturing an assembly of the present invention includes a first mold having a plurality of first molded portions and a second mold facing the first mold and having a plurality of second molded portions and a plurality of assembled portions. A method for manufacturing an assembly in which a plurality of parts are molded and an assembly having the plurality of parts is assembled by using a molding die comprising the above, wherein the plurality of first molded portions have two or more of the same shape. The first mold includes a plurality of the first molding portions and has a movable first moving portion, and the first moving portion includes the plurality of the first molding portions. A first step of forming a plurality of rotating disks having the same number as the plurality of forming unit groups, each of the plurality of rotating disks having one said forming unit group, and molding the molding die, and the first step. A second step of filling each of the plurality of cavities formed by the molding die molded in the step with a molten resin to form the plurality of parts, and the plurality of parts molded in the second step The third step of opening the mold while being held by the first mold and the parts held by the first mold in the third step face each other of the assembly portion of the second mold. In the first step, the molding mold is molded to supply the parts held in the first mold to the assembly unit of the second mold. The assembly is assembled, and the cavity is formed by the first molding portion of the first mold and the second molding portion of the second mold. In the third step, in the second step. The molding die is opened while the molded part is held in the first molding portion, and in the fourth step, the first moving portion is moved to hold the part in each molding portion group. The first molded portion, which is different from the first molded portion in which the first molded portion is opposed to the assembled portion and holds the parts in each of the molded portion groups, is used as the second molded portion. In the first step, the molding mold is molded so as to face each other, so that the parts held in the first molding portion are supplied to the assembly portion to assemble the assembly, and the assembly is performed. Each molding unit group is characterized in that the cavity is formed by the first molding portion and the second molding portion, which are different from the first molding portion holding the parts .

According to the present invention, the production efficiency of the assembly is improved.

(A) is a perspective view showing a state in which the assembly according to the first embodiment is disassembled into a plurality of parts. (B) is a perspective view showing a state in which the assembly is assembled. It is a schematic diagram which shows the assembly apparatus used for manufacturing an assembly in 1st Embodiment. (A) is a plan view of the first type, and (b) is a plan view of the second type. (A) to (d) are explanatory views showing a cavity. It is sectional drawing of the assembly part of the 2nd type along the VV line shown in FIG. 3 (b). It is a flowchart which shows the manufacturing method of the assembly which concerns on 1st Embodiment. (A) is a schematic diagram of the first type, and (b) is a schematic diagram of the second type. (A) is a schematic diagram of the first type, and (b) is a schematic diagram of the second type. (A) to (d) are schematic cross-sectional views of the first type and the second type. (A) to (d) are schematic cross-sectional views of the first type and the second type. (A) to (d) are schematic cross-sectional views of the first type and the second type. It is explanatory drawing which shows the positional relationship between the 1st molding part and the assembly part in a state where a mold is fastened. (A) to (c) are diagrams for explaining the initial operation. (A) is a plan view showing the first mold of the molding die of the modified example, and (b) is a plan view showing the second mold of the molding die of the modified example. (A) is a plan view showing the first mold of the molding die according to the second embodiment, and (b) is a plan view showing the second mold of the molding die according to the second embodiment. (A) is a plan view showing the first mold of the molding die according to the third embodiment, and (b) is a plan view showing the second mold of the molding die according to the third embodiment. It is a schematic diagram which shows the molding mold of the assembly apparatus which concerns on 4th Embodiment. (A) is a plan view showing the first mold of the molding die according to the fourth embodiment, and (b) is a plan view showing the second mold of the molding die according to the fourth embodiment. (A) to (c) are diagrams for explaining the work of covering the assembly according to the fifth embodiment with a case.

Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings.
[First Embodiment]
FIG. 1A is a perspective view showing a state in which the assembly according to the first embodiment is disassembled into a plurality of parts. FIG. 1B is a perspective view showing a state in which the assembly is assembled. The assembly 5 is mounted on an electronic device such as an image forming apparatus. The assembly 5 is, for example, a member for transmitting a rotational driving force, and is required to be assembled with high accuracy. The assembly 5 is composed of a plurality of parts, for example, four types of parts 1, 2, 3 and 4. Each part 1, 2, 3 and 4 is a resin part formed by injection molding. The assembly 5 is formed by fitting a plurality of types of parts 1, 2, 3 and 4 to each other. Specifically, the cylindrical portion 2A of the component 2 is fitted into the through hole 1A of the component 1, the concave portion 3A of the component 3 is fitted into the convex portion 2B of the component 2, and the concave portion 3B of the component 3 is fitted with the concave portion 3B of the component 4. The protrusion 4A is fitted to assemble the assembly 5. The parts 1, 2, 3 and 4 are provided with engagement holes 1B, 1C, 2C, 3C and 4C to which the engagement pins described later are engaged during the assembly work.

FIG. 2 is a schematic view showing an assembly device 100 used for manufacturing the assembly 5 in the first embodiment. The assembly device 100 is an injection molding machine including a mold 10 which is an example of a molding mold, and an injection unit 20 which plasticizes a thermoplastic resin and injects a molten resin into the mold 10. In the first embodiment, a plurality of types of parts 1, 2, 3 and 4 are molded by the mold 10, and the assembly 5 is assembled by the parts 1, 2, 3 and 4. In the first embodiment, the parts 1, the parts 2, the parts 3, and the parts 4 are assembled in this order. A robot (not shown) is arranged adjacent to the mold 10. The assembled assembly 5 is taken out from the opened mold 10 by a robot (not shown).

Hereinafter, the configuration of the mold 10 will be specifically described. The mold 10 has a mold 11 which is a first mold and a mold 12 which is a second mold facing the mold 11. The mold 10 can be opened and fastened by driving one of the molds 11 and 12 in the direction of the arrow Z. In the first embodiment, the mold 11 is a movable type and the mold 12 is a fixed type. The movable mold 11 is driven to open and close by the cylinder 60, which is a driving unit, with respect to the fixed mold 12 in the arrow Z direction. The mold 11 may be a fixed type and the mold 12 may be a movable type.

3 (a) is a plan view of the first type, the mold 11, and FIG. 3 (b) is a plan view of the second type, the mold 12. The mold 11 has a mold main body 110 and a moving portion 111 which is a first moving portion movable with respect to the mold main body 110. The moving portion 111 has a plurality of molded portions. Specifically, the moving unit 111 has a plurality of molding unit groups, that is, four molding unit groups 131, 132, 133, 134, which are the same number as the parts 1, 2, 3, and 4 to be molded. The moving unit 111 has a plurality of disk-shaped rotating disks 121, 122, 123, 124 that can rotate and move with respect to the mold body 110. The turntables 121, 122, 123, 124 rotate around the rotation axes 121C, 122C, 123C, 124C. Each rotation axis 121C, 122C, 123C, 124C is a virtual axis extending in the arrow Z direction passing through the center of each rotation disk 121, 122, 123, 124.

The number of turntables 121, 122, 123, 124 is the same as that of the molding unit group 131, 132, 133, 134, in other words, the same number as the parts 1, 2, 3, 4 to be molded, that is, four. Each of the turntables 121, 122, 123, 124 is rotationally driven by the drive unit 61 shown in FIG. Each of the turntables 121, 122, 123, 124 rotates synchronously by being driven by the drive unit 61. The drive unit 61 includes a motor M1 and a transmission mechanism 71 having, for example, gears, which transmits the driving force of the motor M1 to the rotating discs 121, 122, 123, 124.

Each of the molded parts group 131, 132, 133, 134 is composed of a part of a cavity for molding a part or a plurality of molded parts serving as a holding part for holding the molded part. Each turntable 121, 122, 123, 124 has each molding unit group 131, 132, 133, 134, and the molding unit groups 131, 132, 133, 134 can be rotated independently, respectively. That is, the rotary disk 121 has one molding section group 131, the rotary disk 122 has one molding section group 132, the rotary disk 123 has one molding section group 133, and the rotary disk 124 has one molding section group 134. There is.

The forming portion group 131 of the rotary disk 121 includes two or more first forming portions having the same shape, and in the first embodiment, two forming portions 141 and 151. The forming portions 141 and 151 are arranged on a virtual circle centered on the rotating shaft 121C of the rotating disk 121, and on the circle C11 in FIG. 3A. The molding portions 141 and 151 are arranged so as to be rotationally symmetric (twice symmetric) about the rotation shaft 121C. The forming portions 141 and 151 alternately switch between the molding position P11 and the assembling position P21 by rotating the rotary plate 121 by 180 degrees in the direction of the arrow D1 by the driving of the driving unit 61. That is, when the molding unit 141 moves to the position P11, the molding unit 151 moves to the position P21, and when the molding unit 141 moves to the position P21, the molding unit 151 moves to the position P11.

The forming portion group 132 of the turntable 122 includes two or more first forming portions having the same shape, and in the first embodiment, two forming portions 142 and 152. The forming portions 142 and 152 are arranged on a virtual circle centered on the rotating shaft 122C of the rotating disk 122, and on the circle C12 in FIG. 3A. The molding portions 142 and 152 are arranged so as to be rotationally symmetric (twice symmetric) about the rotation axis 122C. The forming portions 142 and 152 alternately switch between the molding position P12 and the assembling position P22 by rotating the rotary disk 122 by 180 degrees in the direction of the arrow D2 by the driving of the driving unit 61. That is, when the molding unit 142 moves to the position P12, the molding unit 152 moves to the position P22, and when the molding unit 142 moves to the position P22, the molding unit 152 moves to the position P12.

The molding section group 133 of the turntable 123 includes two or more first molding sections having the same shape, and in the first embodiment, two molding sections 143 and 153. The forming portions 143 and 153 are arranged on a virtual circle centered on the rotating shaft 123C of the rotating disk 123, and on the circle C13 in FIG. 3A. The molding portions 143 and 153 are arranged so as to be rotationally symmetric (twice symmetric) about the rotation axis 123C. The forming portions 143 and 153 alternately switch between the molding position P13 and the assembling position P23 by rotating the rotary disk 123 by 180 degrees in the direction of the arrow D3 by the driving of the driving unit 61. That is, when the molding unit 143 moves to the position P13, the molding unit 153 moves to the position P23, and when the molding unit 143 moves to the position P23, the molding unit 153 moves to the position P13.

The forming portion group 134 of the turntable 124 includes two or more first forming portions having the same shape, and in the first embodiment, two forming portions 144 and 154. The molding portions 144 and 154 are arranged on a virtual circle centered on the rotation shaft 124C of the turntable 124, and on the circle C14 in FIG. 3A. The molding portions 144 and 154 are arranged so as to be rotationally symmetric (twice symmetric) about the rotation axis 124C. The forming portions 144 and 154 alternately switch between the molding position P14 and the assembling position P24 by rotating the rotary plate 124 by 180 degrees in the direction of the arrow D4 by the driving of the driving unit 61. That is, when the molding unit 144 moves to the position P14, the molding unit 154 moves to the position P24, and when the molding unit 144 moves to the position P24, the molding unit 154 moves to the position P14. As shown in FIG. 3B, the mold 12 has a mold main body 160 and a moving portion 161 which is a second moving portion movable with respect to the mold main body 160. The moving portion 161 is an annular rotating disk 171 that can rotate and move with respect to the mold body 160. The turntable 171 rotates about the rotation shaft 171C. The rotating shaft 171C is a virtual axis extending in the direction of arrow Z, passing through the center of the rotating disk 171. The turntable 171 is rotationally driven by the drive unit 62 shown in FIG. The drive unit 62 includes a motor M2 and a transmission mechanism 72 having gears and the like that transmits the driving force of the motor M2 to the rotary disk 171.

The mold body 160 has four molding portions 181, 182, 183, 184, which are a plurality of second molding portions, which are other portions of the cavity for molding each component. The number of molding portions 181, 182, 183, 184 is the same as the number of parts 1, 2, 3, 4 to be molded, in other words, the same number as the molding portions 131, 132, 133, 134, that is, four.

4 (a) to 4 (d) are explanatory views showing a cavity formed when the mold 10 is molded. As shown in FIG. 4A, when the mold 10 is molded, the molding portion 181 and the molding portion moved to the position P11 among the plurality of molding portions 141 and 151 abut against each other. A cavity CA1 for molding the component 1 is formed. As shown in FIG. 4B, when the mold 10 is molded, the molding portion 182 and the molding portion of the plurality of molding portions 142 and 152 that have moved to the position P12 are butted against each other. A cavity CA2 for molding the component 2 is formed. As shown in FIG. 4C, when the mold 10 is molded, the molding portion 183 and the molding portion moved to the position P13 among the plurality of molding portions 143 and 153 are abutted against each other. A cavity CA3 for molding the component 3 is formed. As shown in FIG. 4D, when the mold 10 is molded, the molding portion 184 and the molding portion moved to the position P14 among the plurality of molding portions 144 and 155 are butted against each other. A cavity CA4 for molding the component 4 is formed. Each cavity CA1, CA2, CA3, CA4 has a shape corresponding to each component 1, 2, 3, 4 to be molded.

In the first embodiment, the molded portions 141, 142, 143, 144 and the molded portions 151, 152, 153, 154 of the mold 11 have a shape capable of holding the parts 1, 2, 3, 4 molded by injection molding. It has become. On the other hand, the molded portions 181 and 182, 183 and 184 have a shape in which the parts 1, 2, 3 and 4 molded by injection molding are easily removed. Therefore, when the mold 10 is opened after injection molding, the molded parts 1, 2, 3, and 4 are molded portions 141, 142, 143, which formed a cavity before the mold 10 is opened. It will be held by 144 or the molding portions 151, 152, 153, 154.

As shown in FIG. 3B, the turntable 171 has a plurality of assembly units 191, 192, 193, 194, 195. The assembly units 191 to 195 are parts where the assembly 5 is assembled, that is, parts where a plurality of parts 1, 2, 3, and 4 are assembled together, and are formed by the molding units 141 to 144 or the molding units 151 to 154. Support each of the supplied parts 1-4. The number of assembly units 191 to 195 is equal to or greater than the number of parts 1 to 4 to be molded, in other words, the number of molding portions groups 131 to 134 or more, or the number of molding portions 181 to 184, and in the first embodiment, 5 It is one. That is, in the first embodiment, the number of assembly units 191 to 195 is larger than the number of parts 1 to 4 to be molded. In other words, the number of assembly units 191 to 195 is larger than the number of molding unit groups 131 to 134. Each assembly unit 191, 192, 193, 194, 195 has the same configuration.

The assembly units 191, 192, 193, 194, and 195 are arranged on a virtual circle centered on the rotation shaft 171C of the turntable 171 and on the circle C20 in FIG. 3 (b). The assembly units 191, 192, 193, 194, and 195 are arranged so as to be rotationally symmetric (five-fold symmetric) about the rotation axis 171C. By sequentially rotating the turntable 171 in the direction of the arrow D20 by 72 degrees, the assembly unit facing the molding portions 141 to 144 or the molding portions 151 to 154 moving to the respective positions P21 to P24 in FIG. 3A. 191 to 195 can be sequentially switched. When the molding part holding the parts 1 to 4 is moved to the positions P21 to P24 and the mold 10 is molded, each part 1 to 4 held by the molding part is among a plurality of assembly parts 191 to 195. It is supplied to each of the four opposing assembly parts and assembled. The remaining one assembly unit is in a state in which the assembled assembly 5 is arranged, or the assembly 5 is taken out by a robot (not shown) and nothing is arranged.

FIG. 5 is a cross-sectional view of the assembly portion 191 of the mold 12 along the VV line shown in FIG. 3 (b). Although the assembly unit 191 will be described, the description thereof will be omitted because the other assembly units 192 to 195 have the same configuration as the assembly unit 191. The assembly unit 191 has a recess 90 and a plurality of engaging pins 92, 93, 94 erected on the bottom surface 91 of the recess 90. The recess 90 defines a space in which a plurality of parts 1, 2, 3 and 4 are accommodated. The engaging holes 1B and 1C of the component 1 shown in FIG. 1A are engaged with the engaging pins 92 and 93 during the assembling work by clamping the mold 10. The engaging pins 92 and 93 are provided with stepped portions 92A and 93A, and the component 1 engaged with the engaging pins 92 and 93 abuts on the stepped portions 92A and 93A. The engaging holes 2C, 3C, and 4C of the parts 2, 3 and 4 are engaged with the engaging pin 94 during the assembly work by tightening the mold 10. During this assembly operation, these engaging pins 92, 93, 94 engage with each component 1, 2, 3, 4 to position each component. The assembly 5 is assembled by fitting the parts 1, 2, 3 and 4 into the engaging pins 92, 93 or the parts already arranged in the recess 90.

The mold 10 is open / closed controlled by the control device 50 shown in FIG. 2, and the rotary disks 121 to 124 and the rotary disk 171 are rotationally controlled by the control device 50 shown in FIG. That is, the control device 50 controls the cylinder 60 to open and fasten the mold 10. Further, the control device 50 adjusts the rotation position (phase) of the rotary disk 121 to 124 by controlling the motor M1, and adjusts the rotation position (phase) of the rotary disk 171 by controlling the motor M2. .. Specifically, the control device 50 rotates each turntable 121 to 124 in the direction of the arrows D1 to D4 in units of 180 degrees, and rotates the turntable 171 in the direction of the arrow D20 in units of 72 degrees. The injection unit 20 injects the molten resin into the plurality of cavities CA1 to CA4 formed in the molded mold 10.

Hereinafter, a method of molding parts 1, 2, 3 and 4 using the mold 10 and assembling the assembly 5 composed of the parts 1, 2, 3 and 4, that is, a method of manufacturing the assembly 5 will be described. FIG. 6 is a flowchart showing a manufacturing method of the assembly 5 according to the first embodiment. Each step described below is performed under the control of the control device 50. The manufacturing process of the assembly 5 is roughly divided into four processes, that is, steps S1 to S4. By repeatedly executing these four steps S1 to S4 as one cycle, the assembly units 191 to 195 sequentially assemble the parts 1 to 4, and the assembly 5 is manufactured.

Here, it is assumed that the first cycle of steps S1 to S4 is started from the state shown in FIG. 3A. Hereinafter, the cycles after the fourth round of steps S1 to S4, for example, the sixth round cycle and the seventh round cycle will be described as an example.

First, in the sixth round cycle, the mold 10 is molded (S1: first step). At this time, the phase of each rotary disk 121 to 124 of the moving unit 111 is opposite to the state of FIG. 3A, and the phase of the rotary disk 171 is in the state shown in FIG. 3B. That is, the molding portions 141, 142, 143, 144 have moved to the positions P21, P22, P23, P24, and the molding portions 151, 152, 153, 154 have moved to the positions P11, P12, P13, P14. There is. Therefore, the cavities CA1 to CA4 are formed by the molding portions 151 to 154 and the molding portions 181-184 that have moved to the positions P11 to P14. Since the molded parts 141 to 144 that have moved to the positions P21 to P24 hold the parts 1 to 4 molded in the fifth cycle, each of the parts corresponding to the assembled parts 191 to 194. 1 to 4 are supplied and assembled. That is, in the continuous operation in which steps S1 to S4 are repeated, in step S1, any four of the assembly units 191, 192, 193, 194, and 195 assemble the parts 1, 2, 3, and 4.

7 (a) is a schematic diagram of the mold 11 for explaining the second step, and FIG. 7 (b) is a schematic diagram of the mold 12 for explaining the second step. The molten resin is injected into the mold 10 by the injection unit 20 shown in FIG. 2 (S2: second step). That is, each of the plurality of cavities CA1 to CA4 formed by the mold 10 molded in step S1 is filled with the molten resin to cool and solidify the molten resin, and FIGS. 7 (a) and 7 (b) are shown. As shown in, a plurality of parts 1, 2, 3 and 4 are molded (S2: second step). Since this is the sixth cycle, parts 1 are arranged in the assembly unit 191, parts 1 and 2 are arranged in the assembly unit 192, and parts 1, 2 and 3 are arranged in the assembly unit 193. In the assembly unit 194, an assembly 5 composed of parts 1, 2, 3 and 4 is arranged. Further, no parts are arranged in the assembly unit 195.

Next, the mold 10 is opened with the parts 1, 2, 3, and 4 held in the mold 11 (S3: third step). That is, by opening the mold 10 in step S3, the parts 1, 2, 3, and 4 are held by the molding portions 151, 152, 153, 154 of each turntable 121, 122, 123, 124. In this state, the mold is released from each molding portion 181, 182, 183, 184 of the mold 12.

FIG. 8A is a schematic diagram of the mold 11 for explaining the fourth step, and FIG. 8B is a schematic diagram of the mold 12 for explaining the fourth step. After the mold 10 is opened by step S3, the rotary plates 121 to 124 of the mold 11 are rotated 180 degrees in the direction of each arrow D1 to D4, and the rotary plate 171 of the mold 12 is moved 72 degrees in the direction of the arrow D20. Rotately move (S4: 4th step). 8 (a) and 8 (b) show the state after rotating each of the rotary discs 121 to 124 and the rotary disc 171. The rotation direction of each of the turntables 121 to 124 may be opposite to the direction of the arrows D1, D2, D3, and D4, respectively.

9 (a) to 9 (d) are schematic cross-sectional views of the mold 11 and the mold 12 showing a state in which the first molded portion and the assembled portion are opposed to each other in step S4. In step S4, the rotating discs 121 to 124 are rotated 180 degrees to move the molded portions 151 to 154 holding the parts 1 to 4 to the positions P21 to P24 facing the assembled portion. Further, by rotating the turntable 171 by 72 degrees, the assembly part facing each component 1, 2, 3, 4 held in the mold 11 is switched.

Specifically, as shown in FIG. 9A, the assembly unit 195 in which the parts are not arranged is moved from a position not facing any of the molding units 151 to 154 to a position facing the molding unit 151. .. Further, as shown in FIG. 9B, the assembly unit 191 in which the component 1 is arranged is moved from the position facing the molding unit 151 to the position facing the molding unit 152. Further, as shown in FIG. 9C, the assembly unit 192 in which the parts 1 and 2 are arranged is moved from the position facing the molding unit 152 to the position facing the molding unit 153. Further, as shown in FIG. 9D, the assembly unit 193 in which the parts 1, 2 and 3 are arranged is moved from the position facing the molding unit 153 to the position facing the molding unit 154. In FIG. 8B, the assembly unit 194 in which the assembly 5 composed of the parts 1, 2, 3, and 4 is arranged moves to a position that does not face any of the molding units 151 to 154.

As described above, in step S4, the rotary disk 171 is rotationally moved to switch the assembly section facing the molding sections 151 to 154. Further, the rotating discs 121, 122, 123, 124 are rotationally moved, and in each forming unit group 131, 132, 133, 134, the forming portions 151, 152, 153, 154 holding the parts are assembled into the assembling units 195,191. , 192, 193 facing. At the same time, in each of the molding unit groups 131, 132, 133, 134, the molding portions 141, 142, 143, 144, which are different from the molding portions holding the parts, are opposed to the molding portions 181, 182, 183, 184. Since the assembly 5 is arranged in the assembly unit 194 as described above, the assembly 5 is taken out from the assembly unit 194 by a robot (not shown). The timing of taking out the assembly 5 from the mold 10 is preferably from the time when the mold opening in step S3 is completed to the time when the mold clamping in step S1 of the next round is started. Further, if the robot or the assembly 5 (not shown) does not collide with the mold 10, even if the assembly 5 from the mold 10 is taken out during the mold opening operation in step S3 or the mold tightening operation in step S1. good.

After the end of step S4 of the sixth cycle, the process returns to step S1 and steps S1 to S4 are repeatedly executed in the seventh and subsequent cycles. 10 (a) to 10 (d) show the state in which the mold 10 is molded in the seventh cycle, and each assembly of the molded portions 151, 152, 153, 154 and the mold 12 of the mold 11. It is sectional drawing of the section 195,191,192,193. In step S1 of the seventh cycle, the mold 10, that is, the molds 11 and 12, are clamped as shown in FIGS. 10 (a) to 10 (d). As a result, the parts 1, 2, 3 and 4 held in the mold 11 are supplied to each of the four assembly parts 195, 191 and 192, 193 of the assembly parts 191 to 195 of the mold 12 for assembly. This is done and the assembly 5 is assembled.

Specifically, the component 1 held in the molding section 151 is supplied to the assembly section 195 as shown in FIG. 10 (a). That is, with the engaging pins 92 and 93 of the assembly unit 195 engaged and positioned in the engaging holes 1B and 1C of the component 1 (FIG. 1 (a)), the component 1 is placed on the engaging pins 92 and 93. Can be assembled. Further, the component 2 held by the molding unit 152 is supplied to the assembly unit 191 as shown in FIG. 10 (b). That is, the component 2 is assembled to the component 1 in a state where the engaging pin 94 of the assembly unit 191 is engaged and positioned in the engaging hole 2C (FIG. 1 (a)) of the component 2, and the component 2 is the component 1. Fits in. Further, the component 3 held by the molding unit 153 is supplied to the assembly unit 192 as shown in FIG. 10 (c). That is, the component 3 is assembled to the component 2 in a state where the engagement pin 94 of the assembly unit 192 is engaged and positioned in the engagement hole 3C (FIG. 1 (a)) of the component 3, and the component 3 is the component 2. Fits in. Further, the component 4 held by the molding unit 154 is supplied to the assembly unit 193 as shown in FIG. 10 (d). That is, the component 4 is assembled to the component 3 in a state where the engaging pin 94 of the assembly unit 193 is engaged and positioned in the engaging hole 4C (FIG. 1 (a)) of the component 4, and the component 4 is the component 3. Fits in. As described above, in step S1, each of the four assembly units out of the plurality of assembly units 191 to 195 assembles the parts 1, 2, 3, and 4 at the same time.

At the same time as assembling the assembly 5 in step S1 of the seventh round cycle, a plurality of cavities CA1 to CA4 are formed by the molded mold 10. That is, in step S1, by molding the mold 10, the parts 1 to 4 held in the molding portions 151 to 154 are supplied to the assembly portion to assemble the assembly 5, and at the same time, the molding portions 141 to 144 are assembled. And the molding portions 181 to 184 form cavities CA1 to CA4.

Therefore, in the first embodiment, it is not necessary to open and fasten the mold 10 for each operation of the assembly operation (S1) and the molding operation (S2). That is, in step S1, since the cavities CA1 to CA4 are formed at the same time as the assembly 5 is assembled, the steps of mold opening and mold clamping can be reduced, and the production efficiency of the assembly 5 is improved.

Here, the molded portions 141 to 144 and the molded portions 151 to 154 are shaped to hold the parts 1 to 4. Therefore, when the mold 10 is opened in step S3, it is necessary to release the parts 1, 2, 3, 4 from the molding portions 151, 152, 153, 154 facing the assembly portions 195, 191, 192, 193. be. That is, when the mold 10 is opened in step S3 of the 7th cycle, the parts formed in step S2 of the same 7th cycle need to be held by the molding portions 141 to 144. On the other hand, since the parts formed in step S2 of the previous sixth round cycle have already been assembled, it is necessary to release them from the molded portions 151 to 154.

11 (a) to 11 (d) show the molded portions 151, 152, 153, 154 and the mold 12 of the mold 11 showing the state in which the mold 10 is opened in the seventh cycle. It is sectional drawing of the assembly part 195,191,192,193. In step S3, pins 31, 32, 33, 34 are placed on the side of each assembly unit 195,191,192,193 from each molding unit 151,152,153,154 facing each assembly unit 195,191,192,193. While sticking out, the mold 10 is opened. Pins 31, 32, 33, 34 are ejector pins. Pins 31, 32, 33, 34 protrude from the molding portions 151, 152, 153, 154 with the mold opening of the mold 10, so that the parts 1 and 2 held by the molding portions 151, 152, 153, 154 are held. , 3, 4 are released from the molded portions 151, 152, 153, 154. In other words, the pins 31, 32, 33, 34 protrude with the mold opening, and each part 1, 2, 3, 4 is moved to each assembly part side by the mold clamping in step S1. Open the mold while placing it in the position where it was made. As a result, the parts 1, 2, 3 and 4 held in the molded portions 151, 152, 153, 154 are released from the molded portions 151, 152, 153, 154. As a result, the respective parts 1, 2, 3 and 4 are assembled to the engaging pins 92 and 93 of the assembly unit 195 or to another parts 1, 2 and 3 already arranged in the assembly unit 191, 192, 193. In the state, the mold will be opened. In this way, since the mold 10 is opened in a state where each part is placed at the position moved by the mold clamping, it is possible to prevent the parts from falling off from each assembly portion. After the mold opening of the mold 10 is completed, the pins 31, 32, 33, 34 are pulled into the mold 11.

In step S3, when the molded portions 141 to 144 face the assembled portion, the pins 31, 32, 33, and 34 may be projected from the molded portions 141 to 144. As described above, the mold 10 includes pins 31, 32, 33, 34, and the pins 31, 32, 33, 34 can be moved back and forth from the molding portion moved to the positions P21 to P24, so that the mold 11 can be moved forward and backward. Is located in.

After the mold 10 is opened in step S3 of the seventh cycle, the assembly 5 arranged in the assembly unit 193 is taken out by a robot (not shown). In this way, by repeating steps S1 to S4, the parts 1, 2, 3 and 4 are sequentially assembled in each assembly unit 191 to 195, and one assembly unit is assembled in any of the assembly units in each cycle. The assembly of product 5 is completed.

Here, the molding portions 141 to 144 and the molding portions 151 to 154 complete the assembly of the parts 1 to 4 held when the mold 10 is completed in step S1. The position of the mold 10 in the opening / closing direction (in the direction of arrow Z in FIG. 2) is set. FIG. 12 is an explanatory diagram showing the positional relationship between the molding portions 141 to 144 (molding portions 151 to 154) and the assembly portions 191 to 195 in the opening / closing direction of the mold 10 in a state where the mold 10 is molded. As shown in FIG. 12, the molding portions 141 to 144 and the molding portions 151 to 154 are arranged so as to be displaced in the arrow Z direction, which is the opening / closing direction of the mold 10. That is, the molding portions 141 to 144 and the molding portions 151 to 154 Z so that the assembly of the parts 1, 2, 3 and 4 is completed in the assembly portions 191 to 195 when the mold 10 is molded. The placement position in the direction is determined.

The through hole 1A of the component 1 and the cylindrical portion 2A of the component 2, the convex portion 2B of the component 2 and the concave portion 3A of the component 3, the concave portion 3B of the component 3 and the convex portion 4A of the component 4 are fitted with each other having a highly accurate minute gap. It is a tolerance. Since each of the parts 1, 2, 3 and 4 can be assembled by the mold clamping operation of the mold 10 while being held by the mold 11 with high accuracy, the assembly 5 can be assembled with high accuracy.

By the way, in the first embodiment, the parts constituting the assembly 5 are four parts 1, 2, 3 and 4, and since these parts are assembled in order, the first round when the production is started is performed. The cycle, the second cycle, and the third cycle are different from the cycles after the fourth cycle. Hereinafter, a specific description will be given. FIG. 13A is a diagram for explaining the operation of step S4 in the first cycle. FIG. 13B is a diagram for explaining the operation of step S4 in the second cycle. FIG. 13C is a diagram for explaining the operation of step S4 in the third cycle.

First, in the first cycle, in step S4, as shown in FIG. 13A, the parts 1 to 4 of the molding portions 141 to 144 and the assembly portions 191 to 194 face each other. At this time, the parts 1 are not arranged in the assembly unit 192, the parts 1 and 2 are not arranged in the assembly unit 193, and the parts 1, 2 and 3 are not arranged in the assembly unit 194. Therefore, even if the parts 2, 3 and 4 are supplied to the assembly units 192, 193 and 194, the assembly 5 cannot be manufactured. Therefore, after the mold 10 is opened, the pins 32, 33 and 34 are used. Parts 2, 3 and 4 are removed from the molded portions 142, 143 and 144. Then, in step S1 of the next second cycle, the component 1 is arranged in the assembly unit 191.

Next, in step S4 of the second cycle, as shown in FIG. 13B, the parts 1 to 4 of the molding portions 151 to 154 and the assembly portions 195, 191, 192, 193 face each other. .. At this time, the parts 1 and 2 are not arranged in the assembly unit 192, and the parts 1, 2 and 3 are not arranged in the assembly unit 193. Therefore, even if the parts 3 and 4 are supplied to the assembly parts 192 and 193, the assembly 5 cannot be manufactured. Therefore, after the mold 10 is opened, the molding parts 153 and 154 are used by the pins 33 and 34. Remove each part 3 and 4 from. Then, in step S1 of the next third cycle, the parts 1 and 2 are arranged in the assembly units 195 and 191.

Next, in step S4 of the third cycle, as shown in FIG. 13C, the parts 1 to 4 of the molding portions 141 to 144 and the assembly portions 194, 195, 191, 192 face each other. .. At this time, the parts 1, 2, and 3 are not arranged in the assembly unit 192. Therefore, even if the component 4 is supplied to the assembly section 192, the assembly 5 cannot be manufactured. Therefore, after the mold 10 is opened, the component 4 is removed from the molding section 144 by the pin 34. Then, in step S1 of the next fourth round cycle, the parts 1, 2, and 3 are arranged in each assembly unit 194, 195, 191.

In the first embodiment, the parts are removed in step S4, but the parts may be removed after the parts are arranged in the assembly unit.

As described above, according to the first embodiment, in the cycle after the fourth round, the assembly of the assembly 5 is completed in any one of the plurality of assembly units 191 to 195 and unitized. That is, since one assembly 5 is produced for each cycle, the production efficiency of the assembly 5 is improved. Further, since the cavities CA1 to CA4 can be formed and the parts 1 to 4 can be assembled by the same mold clamping operation, the number of steps in one cycle can be reduced and the time of one cycle can be shortened. Therefore, the production efficiency of the assembly 5 is improved.

In the above description, the case of assembling an assembly composed of four parts has been described, but the case is not limited to four, and the case of assembling an assembly composed of two or more parts is not limited to four. good. 14 (a) is a plan view showing the first mold of the molding mold of the modified example, and FIG. 14 (b) is a plan view showing the second mold of the molded mold of the modified example. Hereinafter, a case where the assembly is composed of two parts will be described. As shown in FIG. 14A, the first mold, the mold 11A, has a mold main body 110A and two rotating discs 121A, 122A that rotate and move with respect to the mold main body 110A. Each turntable 121A, 122A has each molding unit group 131A, 132A. The molding unit group 131A has a plurality of first molding portions 141A and 151A, and the molding unit group 132A has a plurality of first molding portions 142A and 152A. As shown in FIG. 14 (b), the second mold, the mold 12A, has a mold main body 160A and a rotary disk 171A that rotates and moves with respect to the mold main body 160A. The mold body 160A has two molding portions 181A and 182A as a plurality of second molding portions. The turntable 171A has three assembly units 191A, 192A, and 193A as a plurality of assembly units. Even with such a configuration, in step S1, the cavity can be formed and the assembly can be assembled at the same time by the same mold clamping operation, and the production efficiency of the assembly is improved.

[Second Embodiment]
Next, the assembly device according to the second embodiment and a method for manufacturing an assembly using the assembly device will be described. 15 (a) is a plan view showing the first mold of the molding die according to the second embodiment, and FIG. 15 (b) is a plan view showing the second mold of the molding die according to the second embodiment. The configurations of the assembly devices other than the first type, the mold 11B, and the second type, the mold 12B, the configuration of the assembly, and each process of manufacturing the assembly are substantially the same as those of the first embodiment and are the same. The description of the part is omitted.

The mold 11B of the second embodiment has a mold main body 110B and a moving portion 111B which is a first moving portion movable with respect to the mold main body 110B. Similar to the first embodiment, the moving portion 111B has a plurality of molding portions 131, 132, 133, 134 in the same number as the parts 1, 2, 3, 4 to be molded. The moving portion 111B is composed of disk-shaped rotating discs 121B and 122B that can rotate and move with respect to the mold body 110B. The turntables 121B and 122B rotate about the rotation shafts 121D and 122D. Each of the rotating shafts 121D and 122D is a virtual axis extending in the arrow Z direction passing through the center of each of the rotating discs 121B and 122B. The number of turntables 121B and 122B is less than that of the molding unit group 131, 132, 133, 134, in other words, less than the number of parts 1, 2, 3 and 4 to be molded, and is two in the second embodiment. ..

Each of the turntables 121B and 122B is rotationally driven by the drive unit 61 shown in FIG. Each of the turntables 121B and 122B rotates synchronously by being driven by the drive unit 61. The drive unit 61 includes a motor M1 and a transmission mechanism 71 that transmits the driving force of the motor M1 to the rotating discs 121B and 122B. In the second embodiment, since the moving unit 111B is composed of two rotary discs 121B and 122B, which are smaller than those in the first embodiment, the transmission mechanism 71 of the drive unit 61 for driving the rotary discs 121B and 122B is the first. The configuration is simpler than that of one embodiment.

The turntable 121B has one or more molding parts group, two molding parts groups 131, 132 in the second embodiment, and the turntable 122B has one or more molding parts groups, in the second embodiment. It has two molding unit groups 133 and 134.

The molding unit group 131 of the turntable 121B is composed of two molding portions 141 and 151 having the same shape as in the first embodiment. The molding unit group 132 of the turntable 121B includes two molding portions 142 and 152 having the same shape as in the first embodiment. The forming portions 141, 151, 142, 152 are arranged on a virtual circle centered on the rotating shaft 121D of the rotating disk 121B, and on the circle C31 in FIG. 15A. Specifically, the molding portion 141, the molding portion 142, the molding portion 151, and the molding portion 152 are arranged in this order in the circumferential direction about the rotating shaft 121D.

The molding portions 141 and 151 are arranged so as to be rotationally symmetric (twice symmetric) about the rotation shaft 121D, and the molding portions 142 and 152 are rotationally symmetric (twice symmetric) about the rotation shaft 121D. Is located in. The forming portions 141, 151 and the forming portions 142, 152 alternately switch between the molding positions P11 and P12 and the assembling positions P21 and P22 by rotating the turntable 121B 180 degrees in the direction of the arrow D5. That is, when the molding portions 141 and 142 move to the positions P11 and P12, the molding portions 151 and 152 move to the positions P21 and P22, and when the molding portions 141 and 142 move to the positions P21 and P22, the molding portions 151 and 152 moves to positions P11 and P12.

The molding section group 133 of the turntable 122B includes two molding sections 143 and 153 having the same shape as in the first embodiment. The molding unit group 134 of the turntable 122B is composed of two molding portions 144 and 154 having the same shape as in the first embodiment. The molding portions 143, 153, 144, 154 are arranged on a virtual circle centered on the rotation shaft 122D of the turntable 122B, and on the circle C32 in FIG. 15A. Specifically, the molding portion 143, the molding portion 144, the molding portion 153, and the molding portion 154 are arranged in this order in the circumferential direction about the rotation shaft 122D.

The molding portions 143 and 153 are arranged so as to be rotationally symmetric (twice symmetric) about the rotation axis 122D, and the molding portions 144 and 154 are rotationally symmetric (twice symmetric) about the rotation axis 122D. Is located in. The forming portions 143 and 153 and the forming portions 144 and 154 alternately switch between the molding positions P13 and P14 and the assembling positions P23 and P24 by rotating the turntable 122B 180 degrees in the direction of the arrow D6. That is, when the molding portions 143 and 144 move to the positions P13 and P14, the molding portions 153 and 154 move to the positions P2 3 and P2 4 , and when the molding portions 143 and 144 move to the positions P2 3 and P2 4 . The molding portions 153 and 154 move to positions P1 3 and P1 4.

As shown in FIG. 15B, the mold 12B has a mold main body 160B and a moving portion 161B which is a second moving portion movable with respect to the mold main body 160B. The moving portion 161B is an annular rotating disk 171B that can rotate and move with respect to the mold body 160B. The turntable 171B rotates about the rotation shaft 171D. The rotating shaft 171D is a virtual axis extending in the direction of arrow Z, passing through the center of the rotating disk 171B. The turntable 171B is rotationally driven by the drive unit 62 shown in FIG.

Similar to the first embodiment, the mold body 160B has four molding portions 181, 182, 183, 184 which are a plurality of second molding portions. The number of molding portions 181, 182, 183, 184 is the same as the number of parts 1, 2, 3, 4 to be molded, that is, four.

The turntable 171B has a plurality of assembly units 191, 192, 193, 194, 195 as in the first embodiment. The number of assembly units 191, 192, 193, 194, 195 is equal to or greater than the number of parts 1, 2, 3, 4 to be molded, and is five in the second embodiment.

The manufacturing method of the assembly 5 in the second embodiment is as shown in the flowchart of FIG. 6 described in the first embodiment. In the first embodiment, in step S4 of FIG. 6, the four turntables 121 to 124 are rotated 180 degrees in the directions of the arrows D1 to D4, but in the second embodiment, the two turntables 121B, The 122B may be rotated 180 degrees in the directions of the arrows D5 and D6. Further, in step S4, the turntable 171B may be rotated 72 degrees in the direction of the arrow D21.

According to the second embodiment, the production efficiency of the assembly 5 is improved as in the first embodiment. Further, the drive unit 61 for driving the rotary discs 121B and 122B has a simple configuration, and the assembly device can be miniaturized.

[Third Embodiment]
Next, the assembly device according to the third embodiment and a method for manufacturing an assembly using the assembly device will be described. 16 (a) is a plan view showing the first mold of the molding die according to the third embodiment, and FIG. 16 (b) is a plan view showing the second mold of the molding die according to the third embodiment. The configurations of the assembly devices other than the first type, the mold 11E, and the second type, the mold 12E, the configuration of the assembly, and each process of manufacturing the assembly are substantially the same as those of the first embodiment and are the same. The description of the part is omitted.

In the first embodiment, the case where one assembly 5 is manufactured in one cycle using the mold 10 has been described, but in the third embodiment, the mold having the molds 11E and 12E is an example of the mold. Using the mold, a plurality, for example, two assemblies 5 are manufactured in one cycle.

Therefore, the mold 11E of the third embodiment has a plurality of sets of a plurality of molding unit groups 131, 132, 133, 134. That is, the mold 11E has two sets of a plurality of molding unit groups 131, 132, 133, 134. The mold 12E has a plurality of sets, that is, two sets of a plurality of molding portions 181, 182, 183, 184, and similarly, a plurality of sets, that is, two sets of a plurality of assembly portions 191, 192, 193, 194.

Specifically, the mold 11E has a mold main body 110E and a moving portion 111E which is a first moving portion movable with respect to the mold main body 110E. The moving unit 111E has four rotating discs 121E, 122E, 123E, 124E as in the first embodiment. Each turntable 121E-124E has two sets of each molding unit group 131-134.

The mold 12E has a mold main body 160E and a moving portion 161E which is a first moving portion movable with respect to the mold main body 160E. The moving unit 161E has one turntable 171E as in the first embodiment. The mold body 160E has two sets of molding sections 181 to 184, and the turntable 171E has two sets of assembly sections 191 to 195. Then, in the mold main body 160E, the molded portions 181,181,182,182,183,183,184,184 are arranged in this order along the circumferential direction. Further, in the turntable 171E, the assembly portions 191, 191, 192, 192, 193, 193, 194, 194, 195, 195 are arranged in this order along the circumferential direction.

With the above configurations of the molds 11E and 12E, in step S1 of FIG. 6, two sets of cavities CA1 to CA4 are formed, and at the same time, two sets of a plurality of assembly parts of two sets of a plurality of parts 1 to 4 are formed. Assembly is done. Then, in step S2 of FIG. 6, a plurality of sets of a plurality of parts 1 to 4 are molded. According to the third embodiment, since a plurality of assemblies 5 are manufactured in one mold for each cycle, the production efficiency of the assembly 5 is further improved.

In the above description, the case where each of the rotating discs 121E to 124E has the same type of molding unit groups 131 to 134 has been described. For example, the case where the turntable 121E has two sets of the same molding unit group 131 has been described. However, the combination of the molded portions group of each of the rotating discs 121E to 124E is not limited to this. That is, the rotating discs 121E to 124E may have different types of molding portions. For example, when there are two sets of each molding unit group 131 to 134, the rotary disk 121E may have a molding unit group 131 and a molding unit group different from the molding unit group 131, for example, a molding unit group 134. .. In this case, the arrangement of the two sets of molding portions 181 to 184 and the two sets of assembly portions 191 to 195 in the mold 12E may be determined according to the arrangement of the two sets of molding portions 131 to 134 in the mold 11E.

[Fourth Embodiment]
Next, the assembly device according to the fourth embodiment and a method for manufacturing an assembly using the assembly device will be described. FIG. 17 is a schematic view showing a molding die of the assembly device according to the fourth embodiment. FIG. 18A is a plan view showing the first mold of the molding die according to the fourth embodiment, and FIG. 18B is a plan view showing the second mold of the molding die according to the fourth embodiment. Is an example of a mold die 10F is a type 11F is a first type, and a type 1 2 F is the second type, type 11F, by one of 12F is driven, the mold It can be opened and molded. In the fourth embodiment, the mold 11F is a movable type and the mold 12F is a fixed type. The configurations of the assembly devices other than the first mold 11F and the second mold 12F, the configuration of the assembly, and each process of manufacturing the assembly are substantially the same as those of the first embodiment and are the same. The description of the part is omitted.

The first type, the mold 11F, has a mold main body 110F and two rotating discs 121F and 122F that rotate and move with respect to the mold main body 110F. Each turntable 121F, 122F has each molding unit group 131F, 132F. The molding unit group 131F has two or more first molding portions, molding portions 141F, 151F, and the molding portion group 132F has two or more first molding portions, molding portions 142F, 152F.

The second type, the mold 12F, has a mold main body 160F and a rotary disk 171F that rotates and moves with respect to the mold main body 160F. The mold body 160F has two molding portions 181F and 182F as a plurality of second molding portions. The turntable 171F has a plurality of assembly units 191F, 192F, and 193F. The number of assembly units 191F, 192F, and 193F is larger than the number of molding unit groups 131F and 132F, in other words, the number is larger than the number of molding units 181F and 182F, that is, three.

In the fourth embodiment, in a state where the mold 11F and the mold 12F are molded, the assembly portion which does not face the molding portions 141F, 142F or the molding portions 151F, 152F among the plurality of assembly portions 191F, 192F, 193F forms the assembly. It is exposed so that it can be taken out. In the phase of the turntable 171F of FIG. 18B, the assembly unit 193F is exposed so that the assembly can be taken out.

More specifically, in the mold 11F, the space R1 is defined at a position facing the molding portions 141F, 142F or the molding portions 151F, 152F among the plurality of assembly portions 191F, 192F, 193F. A notch 112F is formed. Then, by repeating the cycle of steps S1 to S4 shown in FIG. 6 described in the first embodiment, the assembly unit in which the assembled assembly is arranged is sequentially connected to the space R1. The robot (not shown) can access the assembly unit in which the assembly is arranged through the space R1 and take out the assembly even when the molds 11 F and 12 F are molded. Therefore, 1 of steps S1 to S4. The cycle time can be shortened and the production efficiency of the assembly is further improved.

[Fifth Embodiment]
Next, the assembly device according to the fifth embodiment and a method for manufacturing an assembly using the assembly device will be described. 19 (a), 19 (b), and 19 (c) are diagrams for explaining the work of covering the assembly according to the fifth embodiment with a case. In the fifth embodiment, the drive transmission unit 9 is manufactured by covering the assembly 5 described in the first embodiment with the cases 6 and 7 as shown in FIG. 19 (c). In the fifth embodiment, the drive transmission unit 9 is manufactured by using the assembly device 100 described in the first embodiment. In the fifth embodiment, the assembly unit 191 will be described by focusing on the assembly unit 191 among the plurality of assembly units 191 to 195.

In the fifth embodiment, after the mold 10 (FIG. 2) is opened in step S3 of FIG. 6, the case 6 is attached to the empty assembly unit 191 by a robot (not shown) as shown in FIG. 19 (a). set. Then, by repeatedly executing the cycles of steps S1 to S4 as described in the first embodiment, as shown in FIG. 19 (b), the parts 1, 2, 3 and 4 (FIG. 1 (FIG. 1) The assembly 5 is manufactured by sequentially assembling a) and FIG. 1 (b). After that, by assembling the case 7 to the case 6 by a robot (not shown) in the direction of the arrow G1, the drive transmission unit 9 shown in FIG. 19 (c) is manufactured. The manufactured drive transmission unit 9 is taken out from the assembly unit 191 by a robot (not shown). The same work is performed in the assembly units 192 to 195. As described above, the assembly units 191 to 195 can be used for assembly work other than the assembly of the assembly 5 by the mold 10.

The present invention is not limited to the embodiments described above, and many modifications can be made within the technical idea of the present invention. Moreover, the effects described in the embodiments are merely a list of the most suitable effects resulting from the present invention, and the effects according to the present invention are not limited to those described in the embodiments.

In the above embodiment, the case where the plurality of parts constituting the assembly are different types of parts has been described, but some or all of the plurality of parts constituting the assembly are parts of the same type. May be good.

1-4 ... Parts, 10 ... Mold (molding mold), 11 ... Mold (first mold), 12 ... Mold (second mold), 111 ... Moving part (first moving part), 131-134 ... Molding part Group, 141-141, 151-154 ... Molding part (first molding part), 161 ... Moving part (second moving part), 181-184 ... Molding part (second molding part), 191-194 ... Assembly part, CA1-CA4 ... Cavity

Claims (23)

An assembly device comprising a molding die having a first mold and a second mold facing the first mold, molding a plurality of parts by the molding mold, and assembling an assembly having the plurality of parts. hand,
The first mold has a plurality of molding unit groups having two or more first molding portions having the same shape, and includes a movable first moving portion.
The first moving unit includes a plurality of rotating discs having the same number as the plurality of molded unit groups, and each of the plurality of rotating discs has one molded unit group.
The second mold includes a plurality of second molding portions and a plurality of assembly portions.
In the first moving portion, the first molding portion holding the component in each molding section group is opposed to the assembly section, and the first molding section holding the component in each molding section group. The first molded portion, which is different from the above, is moved to a position facing the second molded portion.
The first molding in which the parts held in the first molding portion are supplied to the assembly portion for assembly by the mold clamping operation of the molding mold, and the parts are held in each molding portion group. An assembly device characterized in that a cavity for molding the part is formed by the first molded portion and the second molded portion, which are separate from the portion. The assembly device according to claim 1 , wherein the first moving portion includes a smaller number of the turntables than the plurality of molding portions groups, which have one or more molding portions groups. The second type is characterized in that it includes the plurality of assembly parts and has a second moving part that is movable so as to switch the assembly part facing the first molding part holding the parts. The assembly apparatus according to 1 or 2. The assembly device according to claim 3 , wherein the second moving unit has a turntable. The plurality of assembly parts are larger than the plurality of molding parts.
While clamping the mold, the assembly which is not opposed to the first mold portion of the plurality of assembling portions, to claim 3 or 4, characterized in that exposed removably said assembly The assembly device described. The first mold has a plurality of sets of the plurality of first molded portions, and the first mold has a plurality of sets.
The assembly device according to any one of claims 1 to 5 , wherein the second type has a plurality of sets of the plurality of second molding portions and the plurality of assembly portions. Each of said plurality of assemblies includes a recess in which the plurality of components fits, is disposed in the recess, one of claims 1 to 6 wherein the component is characterized by having the engaging pin for engaging 1 The assembly equipment described in the section. An assembly device comprising a molding die having a first mold and a second mold facing the first mold, molding a plurality of parts by the molding mold, and assembling an assembly having the plurality of parts. hand,
The first mold has a plurality of molding unit groups having two or more first molding portions having the same shape, and includes a movable first moving portion.
The second mold includes a plurality of second molding portions and a plurality of assembly portions.
The first moving portion has one or more of the molding portions and includes a smaller number of turntables than the plurality of molding portions.
In the first moving portion, the first molding portion holding the component in each molding section group is opposed to the assembly section, and the first molding section holding the component in each molding section group. The first molded portion, which is different from the above, is moved to a position facing the second molded portion.
The first molding in which the parts held in the first molding portion are supplied to the assembly portion for assembly by the mold clamping operation of the molding mold, and the parts are held in each molding portion group. An assembly device characterized in that a cavity for molding the part is formed by the first molded portion and the second molded portion, which are separate from the portion. An assembly device comprising a molding die having a first mold and a second mold facing the first mold, molding a plurality of parts by the molding mold, and assembling an assembly having the plurality of parts. hand,
The first mold has a plurality of molding unit groups having two or more first molding portions having the same shape, and includes a movable first moving portion.
The second mold includes a plurality of second molded portions and a plurality of assembled portions that are larger than the plurality of molded portions group, and moves to switch the assembled portions facing the first molded portion holding the parts. Equipped with a possible second moving part,
In the first moving portion, the first molding portion holding the component in each molding section group is opposed to the assembly section, and the first molding section holding the component in each molding section group. The first molded portion, which is different from the above, is moved to a position facing the second molded portion.
By the mold clamping operation of the molding die, the part held in the first molding part is supplied to the assembly part for assembly, and the part is held in each molding part group. A cavity for molding the part is formed by the first molded portion and the second molded portion, which are separate from the portions, and the assembly that does not face the first molded portion among the plurality of assembled portions can be taken out. An assembly device characterized by being exposed to. An assembly device comprising a molding die having a first mold and a second mold facing the first mold, molding a plurality of parts by the molding mold, and assembling an assembly having the plurality of parts. hand,
The first mold has a plurality of molding unit groups having two or more first molding portions having the same shape, and includes a movable first moving portion.
The second mold includes a plurality of second molding portions and a plurality of assembly portions.
Each of the plurality of assembly portions has a recess for accommodating the plurality of parts and an engaging pin arranged in the recess and with which the component engages.
In the first moving portion, the first molding portion holding the component in each molding section group is opposed to the assembly section, and the first molding section holding the component in each molding section group. The first molded portion, which is different from the above, is moved to a position facing the second molded portion.
The first molding in which the parts held in the first molding portion are supplied to the assembly portion for assembly by the mold clamping operation of the molding mold, and the parts are held in each molding portion group. An assembly device characterized in that a cavity for molding the part is formed by the first molded portion and the second molded portion, which are separate from the portion. A plurality of parts are formed by using a molding die having a first mold having a plurality of first molding portions and a second mold facing the first mold and having a plurality of second molding portions and a plurality of assembly portions. A method for manufacturing an assembly that is molded and that assembles an assembly having the plurality of parts.
The plurality of first molded portions have a plurality of molded portions group composed of two or more of the first molded portions having the same shape.
The first type includes the plurality of the molded parts group and has a movable first moving part.
The first moving unit includes a plurality of rotating discs having the same number as the plurality of molding unit groups.
Each of the plurality of turntables has one group of molded portions.
The first step of molding the mold and
A second step of filling each of the plurality of cavities formed by the molding die molded in the first step with a molten resin to form the plurality of parts, and a second step of molding the plurality of parts.
A third step of opening the mold while the plurality of parts molded in the second step are held in the first mold, and a third step.
The part held in the first mold in the third step is repeatedly executed in the fourth step of facing the assembly portion of the second mold.
In the first step, by molding the molding mold, the parts held in the first mold are supplied to the assembly unit of the second mold to assemble the assembly, and the assembly is performed. The cavity is formed by the first molded portion of the first mold and the second molded portion of the second mold.
In the third step, the molding die is opened while the parts molded in the second step are held by the first molding portion.
In the fourth step, the first moving portion is moved so that the first molded portion holding the component in each molded portion group is opposed to the assembled portion, and the molded portion group is described. The first molded portion, which is different from the first molded portion holding the parts, is opposed to the second molded portion.
In the first step, by molding the molding die, the parts held in the first molding section are supplied to the assembly section to assemble the assembly, and each molding section is assembled. A method for manufacturing an assembly, characterized in that the cavity is formed by the first molded portion and the second molded portion, which are different from the first molded portion holding the component in the group. The method for manufacturing an assembly according to claim 11 , wherein the first moving portion includes a smaller number of the turntables than the plurality of molded portions, having one or more molded portions. .. The second type is characterized in that it includes the plurality of assembly parts and has a second moving part that is movable so as to switch the assembly part facing the first molding part holding the parts. method for producing assembly according to 11 or 12. The method for manufacturing an assembly according to claim 13 , wherein the second moving portion has a turntable. In the third step, the molding die is opened and a pin protrudes from the first molding section facing the assembly section to release the component held by the first molding section from the first mold. The method for manufacturing an assembly according to any one of claims 11 to 14 , characterized in that. Each of the plurality of assembly portions has a recess for accommodating the plurality of parts and an engaging pin arranged in the recess.
The method for manufacturing an assembly according to any one of claims 11 to 15 , wherein in the first step, the part is engaged with the engaging pin by molding the molding die. A plurality of parts are formed by using a molding die having a first mold having a plurality of first molding portions and a second mold facing the first mold and having a plurality of second molding portions and a plurality of assembly portions. A method for manufacturing an assembly that is molded and that assembles an assembly having the plurality of parts.
The plurality of first molded portions have a plurality of molded portions group composed of two or more of the first molded portions having the same shape.
The first type includes the plurality of the molded parts group and has a movable first moving part.
The first moving portion comprises a smaller number of turntables than the plurality of molding portions, having one or more molding portions.
The first step of molding the mold and
A second step of filling each of the plurality of cavities formed by the molding die molded in the first step with a molten resin to form the plurality of parts, and a second step of molding the plurality of parts.
A third step of opening the mold while the plurality of parts molded in the second step are held in the first mold, and a third step.
The part held in the first mold in the third step is repeatedly executed in the fourth step of facing the assembly portion of the second mold.
In the first step, by molding the molding mold, the parts held in the first mold are supplied to the assembly unit of the second mold to assemble the assembly, and the assembly is performed. The cavity is formed by the first molded portion of the first mold and the second molded portion of the second mold.
In the third step, the molding die is opened while the parts molded in the second step are held by the first molding portion.
In the fourth step, the first moving portion is moved so that the first molded portion holding the component in each molded portion group is opposed to the assembled portion, and the molded portion group is described. The first molded portion, which is different from the first molded portion holding the parts, is opposed to the second molded portion.
In the first step, by molding the molding die, the parts held in the first molding section are supplied to the assembly section to assemble the assembly, and each molding section is assembled. A method for manufacturing an assembly, characterized in that the cavity is formed by the first molded portion and the second molded portion, which are different from the first molded portion holding the component in the group. In the third step, the molding die is opened and a pin protrudes from the first molding section facing the assembly section to release the component held by the first molding section from the first mold. The method for manufacturing an assembly according to claim 17. Each of the plurality of assembly portions has a recess for accommodating the plurality of parts and an engaging pin arranged in the recess.
The method for manufacturing an assembly according to claim 17 or 18 , wherein in the first step, the part is engaged with the engaging pin by molding the molding die. A plurality of parts are formed by using a molding die having a first mold having a plurality of first molding portions and a second mold facing the first mold and having a plurality of second molding portions and a plurality of assembly portions. A method for manufacturing an assembly that is molded and that assembles an assembly having the plurality of parts.
The plurality of first molded portions have a plurality of molded portions group composed of two or more of the first molded portions having the same shape.
The first type includes the plurality of the molded parts group and has a movable first moving part.
The first step of molding the mold and
A second step of filling each of the plurality of cavities formed by the molding die molded in the first step with a molten resin to form the plurality of parts, and a second step of molding the plurality of parts.
A third step of opening the mold while the plurality of parts molded in the second step are held in the first mold, and a third step.
The part held in the first mold in the third step is repeatedly executed in the fourth step of facing the assembly portion of the second mold.
In the first step, by molding the molding mold, the parts held in the first mold are supplied to the assembly unit of the second mold to assemble the assembly, and the assembly is performed. The cavity is formed by the first molded portion of the first mold and the second molded portion of the second mold.
In the third step, the molding die is opened while the part molded in the second step is held by the first molding portion, and a pin protrudes from the first molding portion facing the assembly portion. The parts held in the first molded portion are released from the first mold.
In the fourth step, the first moving portion is moved so that the first molded portion holding the component in each molded portion group is opposed to the assembled portion, and the molded portion group is described. The first molded portion, which is different from the first molded portion holding the parts, is opposed to the second molded portion.
In the first step, by molding the molding die, the parts held in the first molding section are supplied to the assembly section to assemble the assembly, and each molding section is assembled. A method for manufacturing an assembly, characterized in that the cavity is formed by the first molded portion and the second molded portion, which are different from the first molded portion holding the component in the group. Each of the plurality of assembly portions has a recess for accommodating the plurality of parts and an engaging pin arranged in the recess.
The method for manufacturing an assembly according to claim 20 , wherein in the first step, the part is engaged with the engaging pin by molding the molding die. A plurality of parts are formed by using a molding die having a first mold having a plurality of first molding portions and a second mold facing the first mold and having a plurality of second molding portions and a plurality of assembly portions. A method for manufacturing an assembly that is molded and that assembles an assembly having the plurality of parts.
The plurality of first molded portions have a plurality of molded portions group composed of two or more of the first molded portions having the same shape.
The first type includes the plurality of the molded parts group and has a movable first moving part.
The first step of molding the mold and
A second step of filling each of the plurality of cavities formed by the molding die molded in the first step with a molten resin to form the plurality of parts, and a second step of molding the plurality of parts.
A third step of opening the mold while the plurality of parts molded in the second step are held in the first mold, and a third step.
The part held in the first mold in the third step is repeatedly executed in the fourth step of facing the assembly portion of the second mold.
In the first step, by molding the molding mold, the parts held in the first mold are supplied to the assembly unit of the second mold to assemble the assembly, and the assembly is performed. The cavity is formed by the first molded portion of the first mold and the second molded portion of the second mold.
The assembly portion has a recess for accommodating the plurality of parts and an engaging pin arranged in the recess.
In the third step, the molding die is opened while the parts molded in the second step are held by the first molding portion.
In the fourth step, the first moving portion is moved so that the first molded portion holding the component in each molded portion group is opposed to the assembled portion, and the molded portion group is described. The first molded portion, which is different from the first molded portion holding the parts, is opposed to the second molded portion.
In the first step, by molding the molding die, the parts held in the first molding portion are supplied to the assembly portion to engage the parts with the engaging pins, and the parts are engaged with the engaging pins. A method for manufacturing an assembly, characterized in that a cavity is formed by a first molded portion and a second molded portion, which are different from the first molded portion holding the component in each of the molded portions. In the third step, the molding die is opened and a pin protrudes from the first molding section facing the assembly section to release the component held by the first molding section from the first mold. 22. The method for manufacturing an assembly according to claim 22.

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