JP3814355B2 - Insert molded product manufacturing equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an apparatus for manufacturing an insert-molded product in which a required insert part is embedded in a synthetic resin body, and in particular, the required insert part is formed from a long sheet metal material. Manufacture of insert-molded products that continuously perform press processing for cutting, shear for separating the pressed insert parts from the sheet metal material, and molding processing for forming the required body with the insert parts contained therein It relates to the device.
[0002]
[Prior art]
In order to manufacture an insert-molded product, generally, an insert part is formed by processing a sheet metal material using a press, and the insert part is mounted on a mold of a resin molding apparatus and resin-molded. . Specifically, a long sheet metal material is intermittently fed between a fixed plate and a movable plate of a press machine to cut the sheet metal material into a predetermined shape or plastically deform the required insert parts. After that, the insert part is sheared from the sheet metal material to become an independent part, and then the insert part is mounted at a predetermined part mounting position in the cavity of the mold, and then the mold is closed and molten resin is put into the cavity. The insert molded product is molded by injecting and thereby holding the insert part in an embedded state in the resin.
[0003]
In the production of insert molded products by such processes, press processing, shearing, and resin molding are performed separately by independent devices, so that the insert parts are transported between the devices or mounted on the mold. There was a problem that it took much time and efficiency.
[0004]
In view of this, the present inventor has previously proposed an apparatus for manufacturing a molded article described in JP-A-7-108613, which can continuously and synchronously perform the above-described pressing, shearing and resin molding.
FIG. 12 shows the outline 1 of the molded product manufacturing apparatus described in the publication. In the same figure, 3 shows a press working part consisting of a movable platen 5 and a fixed platen 7 opposed vertically, 9 shows an insert molding part made up of a movable die 11 and a fixed die 13 opposed vertically, and 15 is an upper and lower part. The shearing part which consists of the opposing punch plate 17 and die plate 19 is shown.
Reference numeral 21 denotes a movable base, and a movable platen 5, a movable mold 11 and a punch plate 17 are fixed to the lower surface of the movable base 21 side by side. Reference numeral 23 denotes a fixed base. On the upper surface of the fixed base 23, the fixed platen 7, the fixed mold 13 and the die plate 19 are fixed in a horizontal row.
[0005]
Reference numeral 25 denotes a lifter supported by the fixed platen 7, the fixed mold 13 and the die plate 19 so as to be movable in the vertical direction. A movable side block 27 composed of the movable platen 5, the movable die 11 and the punch plate 17 comes to an open position indicated by a solid line and is separated from the fixed block 29 composed of the fixed platen 7, the fixed die 13 and the die plate 19. In the state, the lifter 25 protrudes from the fixed platen 7, the fixed mold 13 and the die plate 19 to some extent.
Reference numeral 31 denotes a long sheet metal material. The sheet metal material 31 is located between the fixed side block 29 and the movable side block 27 in the opened state, and is sent to the left on the lifter 25 at a constant pitch. Reference numeral 33 denotes a feeding mechanism for feeding a sheet metal material.
[0006]
When the movable block 27 moves to the closed position indicated by the two-dot chain line, the lifter 25 and the feeding mechanism 33 are also lowered in synchronization with the movement of the movable block 27 so that the sheet metal material 31 is seated on the stationary platen 7, the stationary mold 13 and the die plate 19. At the same time, the sheet metal material 31 is pressed by pressure contact between the fixed platen 7 and the movable platen 5 to form an insert part. At the same time, the insert part molded by the previous shot is placed in the cavity defined by the mold closing of the movable mold 11 and the fixed mold 13, and the molten resin is injected into the cavity to perform the insert molding. At the same time, the previous shot is subjected to shearing with respect to the insert-molded product. This shearing is performed on a portion where the insert part is connected to the sheet metal material 31 outside the resin portion, and thereby the insert molded product is separated from the sheet metal material 31.
[0007]
Each time one shot is finished, the movable block 27 is moved to the open position, and the lifter 25 and the feeding mechanism 33 protrude upward to take out the insert molded product from the cavity. Next, the sheet metal material 31 is fed at a constant pitch, whereby an unprocessed portion of the sheet metal material 31 is placed between the movable platen 5 and the fixed platen 7, and the processed insert parts are moved to the movable die 11 and the fixed die 13. Between the punch plate 17 and the die plate 19, respectively.
The above operation is repeated.
[0008]
[Problems to be solved by the invention]
According to the above-described molded product manufacturing apparatus, pressing, resin molding, and shearing can be performed automatically and consistently, so that the efficiency is very good.
However, in this molded product manufacturing apparatus, since shearing is performed after resin molding, the portion where the insert part is sheared is limited to the root of the portion protruding from the resin portion. For this reason, there existed a problem that the excess protrusion part remained in the shape of insert components.
[0009]
In addition, in order to move the molded product molded by the insert molding part to the shearing part, after the molded product is taken out from the cavity, it must be processed to be moved laterally and then lowered to the die plate. Regardless of the shape of the insert part, a lifter is inevitably required, which complicates the mechanism and increases the processing time.
[0010]
The present invention has been made paying attention to the above-mentioned conventional problems, and can press and shear materials and insert molding consistently and automatically, and leave an extra protrusion in the insert part. Further, it is an object of the present invention to provide an apparatus for manufacturing an insert-molded product that can eliminate a lifter depending on the shape of an insert part.
[0011]
[Means for Solving the Problems]
The invention of claim 1 has material feeding means for feeding a sheet metal material at a constant pitch, and a fixed platen and a movable plate facing each other across the sheet metal material feeding path. A press working part in which a sheet metal material is processed by closing and a predetermined insert part is formed leaving a continuous part, an insert molding part composed of a fixed mold and a movable mold facing each other across the feeding path, and the continuous A punch and a punch hole provided in the insert molding portion in a state of being opposed to each other across a moving path of the portion, and a punch moving means for moving the punch forward and backward with respect to the punch hole, the punch hole being movable with a fixed mold The molded part in the insert part is molded and fixed by closing the fixed mold and the movable mold in a state where the insert part is fed and the outer periphery of the cavity formed by the mold is straddled. The punch when the movable mold is closed and is insert-molded product manufacturing apparatus, wherein the continuous portion is inserted into the punch hole is sheared removed.
[0012]
According to a second aspect of the present invention, there is provided the insert molded product manufacturing apparatus according to the first aspect, wherein either one of the fixed mold and the movable mold is provided with a punch and the other is provided with a punch hole. An insert-molded product manufacturing apparatus, wherein a punch is inserted into a punch hole before joining a parting surface.
[0013]
According to a third aspect of the present invention, in the insert molded product manufacturing apparatus according to the second aspect, a portion including a position where the continuous part of the insert part faces in the stationary mold side half cavity is constituted by a slide block, and the slide block is in a retracted position. In this state, the punch hole is completely open, and from this state, the mold closing of the movable mold and the fixed mold is started, and at the same time as the mold closing is completed, the slide block advances and the fixed side An insert molded product manufacturing apparatus characterized in that a half cavity is completed.
[0014]
According to a fourth aspect of the present invention, in the insert molded article manufacturing apparatus according to the third aspect, the pressing means for advancing the slide block is provided in the movable mold, and when the mold closing is completed, the pressing means moves the slide block. It is an insert molded article manufacturing apparatus characterized by pressing.
[0015]
According to a fifth aspect of the present invention, in the insert molded article manufacturing apparatus according to the first, second, third, or fourth aspect, the insert molded part is provided with one or a plurality of press working parts, and the plurality of insert parts are arranged in the insert molding part by different feeding paths. It is an insert molded product manufacturing apparatus characterized by being fed.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
A coaster manufacturing apparatus 35 according to an embodiment of the present invention will be described with reference to FIGS.
First, the coaster 37 as a molded product manufactured by the coaster molded product manufacturing apparatus 35 will be described (see FIG. 11).
The coaster 37 includes a synthetic resin body 39 and two front and rear decorative fittings 41 and 43 which are substantially entirely embedded in the body 39. The body 39 has a shallow dish shape including a square outer frame 45 and a bottom plate 47 in which a substantially lower half of the inner space of the outer frame 45 is buried. A hole 49 is formed, and another right-side triangular hole 51 is formed in the middle of the left and right ends of the bottom plate 47.
[0017]
The two decorative brackets 41 and 43 are formed by pressing a relatively thin sheet metal material. The first decorative metal fitting 41 located on the rear side is composed of two narrow front and rear connecting pieces 53 and 55 and three display elements 57, 59 and 61 shaped P, I and M, These three display elements 57, 59, 61 are connected to connecting pieces 53, 55 at the front and rear ends, respectively.
The second decorative bracket 43 located on the front side is composed of a semicircular outer peripheral piece 63 and four display elements 65, 67, 69, 71 taking the letters S, A, T, O, and these indications. The elements 65, 67, 69, and 71 are connected to the outer peripheral piece 63 at two locations.
The left and right ends of the connecting piece 55 on the rear side of the first decorative bracket 41 are exposed in the rear hole 49 on the rear side of the body 39, and the left and right ends of the connecting piece 53 on the front side are exposed in the middle hole 51 in the body 39. ing. The left and right ends of the outer peripheral piece 63 of the second decorative bracket 43 are exposed in the front hole 49 of the body 39.
[0018]
Reference numeral 73 denotes a decorative hole formed in the bottom plate 47 of the body 39. The decorative hole 73 is in a position corresponding to each of the display elements 57, 59, 61, 65, 67, 69, 71, and It is similar to the shape or round.
The body 39 is formed of a transparent synthetic resin.
[0019]
Next, the outline | summary of the coaster manufacturing apparatus 35 is demonstrated (refer FIG.1, FIG.4, FIG.5).
Reference numeral 75 denotes a main body. A table 77 is provided in front of the lower portion of the main body 75, and a fixed base 79 is fixed on the table 77.
Reference numeral 81 denotes a drive unit that protrudes from the upper part of the main body 75 toward the front side. The drive unit 81 incorporates a drive air cylinder, a molten resin supply mechanism, and the like (not shown). A movable base 83 located below the drive unit 81 is attached to the lower end of the motor.
[0020]
A material feeding unit 85 is provided at both left and right ends of the upper surface of the table 77.
Reference numeral 87 denotes a first sheet metal material fed to the right by the left material feeding unit 85 at a constant pitch, and 89 denotes a constant pitch toward the left by the right material feeding unit 85. The 2nd sheet-metal material delivered is shown. These sheet metal materials 87 and 89 are long plate materials having substantially the same width as the overall width of the decorative metal fittings 41 and 43, and are drawn out from a portion wound in a roll shape (not shown) so that the material feeding unit 85 is provided. Has been passed.
[0021]
91 indicates a fixed mold provided at an intermediate portion on the fixed base 79, 93 indicates a first fixed plate disposed on the left side of the fixed mold 91, and 95 indicates a right side of the fixed mold 91. The second stationary platen is shown. The fixed mold 91 and the first and second fixed plates 93 and 95 together constitute a fixed block 97.
Reference numeral 99 denotes a movable mold attached to an intermediate portion of the lower surface of the movable base 83, 101 denotes a first movable board arranged on the left side of the movable mold 99, and 103 denotes a right side of the movable mold 99. The second movable board is shown. Both the movable mold 99 and the first and second movable plates 101 and 103 constitute a movable block 105.
The fixed mold 91 and the movable mold 99 constitute an insert molding portion 107, the first fixed plate 93 and the movable plate 101 constitute a first press working unit 109, and the second fixed plate 95 and the movable plate 103 constitute a first press working portion 109. A second press working part 111 is configured.
By moving the movable block 105 to the mold closing position indicated by the two-dot chain line, the fixed mold 91 and the movable mold 99, the fixed plate 93 and the movable plate 101, and the fixed plate 95 and the movable plate 103 are closed. It is done.
[0022]
The sheet metal materials 87 and 89 are fed in a state in which the movable block 105 is in the open position indicated by the solid line. As shown in FIGS. 4 and 5, the first sheet metal material 87 is the first stationary platen. The second sheet metal material 89 moves so as to slide on the upper surface of the second fixing plate 95 and moves to the rear of the upper surface of the fixed die 91. To.
A large number of small guide rollers (not shown) arranged in parallel in the front-rear direction are provided on the upper surfaces of the fixed plates 93 and 95, and the feeding paths of the sheet metal materials 87 and 89 are defined by the guide rollers.
[0023]
When the first fixed platen 93 and the movable platen 101 are closed, the first sheet metal material 87 is pressed to form the first decorative bracket 41 while leaving the continuous portion 113. The decorative metal fitting 41 is supplied to the fixed mold 91 (see FIG. 4). The continuous portion 113 is continuous with the connecting pieces 55 on the rear side of the two adjacent decorative fittings 41, and has a length about half that of the connecting pieces 55.
When the second stationary platen 95 and the movable platen 103 are closed, the second sheet metal material 89 is pressed to form the second decorative bracket 43 leaving the continuous portion 115. The decorative metal 43 is supplied to the fixed mold 91 (see FIG. 4). The continuous portion 115 is continuous between the front end portions of the outer peripheral pieces 63 of the two adjacent decorative fittings 43 and has the same length as the continuous portion 113 of the first decorative fitting 41.
[0024]
When the fixed mold 91 and the movable mold 99 are closed, the punch provided in the movable mold 99 is inserted into the punch hole provided in the fixed mold 91 and the continuous portions 113 and 115 are sheared and removed (see FIG. 5). Immediately after this, the mold closing of the fixed mold 91 and the movable mold 99 is completed, and a cavity defining the shape of the body 39 is formed. From this state, molten resin is injected into the cavity, and the coaster 37 is molded.
After the molding of the coaster 37 is completed, the movable side block 105 is returned to the open position, the coaster 37 is ejected from the insert molding portion 107, and the sheet metal materials 87 and 89 are fed by one pitch. The above operation is repeated.
[0025]
Reference numeral 117 denotes a chute. The scraps generated in the press working parts 109 and 111 and the continuous parts 113 and 115 sheared in the insert molding part 107 are discharged through the chute 117.
[0026]
Next, details of the insert molding portion 107 will be described.
First, the fixed mold 91 will be described.
Reference numeral 119 denotes a fixed-side mounting plate fixed on the fixed base 79. A spacer 121, a mold receiving plate 123, and a fixed-side mold plate 125 are stacked in this order from below on the fixed-side mounting plate 119 and joined together. Yes.
The fixed-side mold plate 125 includes an outer frame 127 having a substantially square frame shape, an outer mold portion 129 having a square frame shape fitted to the inner side of the outer shell 127, and an approximate shape fitted to the inner side of the outer mold portion 129. The inner mold 131 has a cube-shaped inner mold 131 and the like. The inner mold 131 has the same outer shape as the bottom plate 47 of the coaster 37 and is supported by an unillustrated ejecting mechanism. Coupling holes 133 are formed in the four corners of the outer shell 127.
The upper surfaces of the outer shell 127 and the inner and outer mold portions 129 and 131 are basically located in the same plane, and this plane is a fixed-side parting surface 135.
[0027]
A small abutting wall 137 having a substantially L shape is provided at the left front corner and the right rear corner of the upper surface of the inner mold 131, and small at the right end of the front edge and the left end of the rear edge of the upper surface. A guide wall 139 is provided. Furthermore, small projections 141 having a triangular shape are provided in the middle portion between the left and right side edges of the upper surface.
A region extending along the inner mold portion 131 on the upper surface of the outer mold portion 129 is a shallow groove 143. The outer shape of the groove 143 is the same as the outer shape of the outer frame 45 of the coaster 37.
[0028]
The outer mold part 129 is formed with two notches 145 in the front and rear that partially reach the inner mold part 131. These notches 145 have a generally rectangular shape that is long in the front-rear direction, and are provided at positions including portions corresponding to the left rear corner and the right front corner of the groove 143, and one end in the front-rear direction is outside. Reaching the front and rear side surfaces of the mold part 129, one end in the left-right direction of the other end extends to a position slightly outside the groove 143, and the other end extends to the guide wall 139 from the inner side to about a half. Accordingly, the groove 143 is missing at the position where the notch 145 is provided.
[0029]
Reference numeral 147 denotes a slide block which is arranged in the notch 145 so as to be movable in the front-rear direction. The slide block 147 has a size that fills the space excluding the other end of the notch 145, and a shallow partial groove 149 that is bent at a right angle is formed on the upper surface thereof. The slide block 147 is in the retracted position shown in FIG. And the forward position shown in FIG.
With the slide block 147 in the retracted position, a punch hole 151 is formed by the other end surface of the slide block 147 and the other end of the notch. This punch hole 151 is elongated in the left-right direction when viewed from above, and its front-rear width is slightly larger than the width of the continuous portions 113, 115 of the decorative fittings 41, 43, and the length matches the length of the continuous portions 113, 115. Yes.
When the slide block 147 moves to the forward movement position, the partial groove 149 is continuous with the groove 143 to complement the missing portion of the groove 143 and the portions other than the left and right end portions of the punch hole 151 are closed.
[0030]
As the slide block 147 advances and the groove 143 and the partial groove 149 continue, a shallow space having the outer periphery of the groove 143 and the partial groove 149 is formed, and this space becomes the fixed-side half cavity 152.
The slide block 147 is always urged toward the retracted position by an unillustrated resilient means, and the movement to the advanced position is performed by a pressing portion in which a slope 153 formed at one end of the slide block 147 is provided on the movable die 99. It is performed by being pressed by.
[0031]
Next, the movable mold 99 will be described.
Reference numeral 155 denotes a movable side mounting plate fixed to the lower surface of the movable base 83, and the base plate 159 is fixed with the sub mounting plate 157 sandwiched between the lower surface of the movable side mounting plate 155. The base plate 159 has a square frame shape. Yes. The coupling pins 161 protrude downward from the four corners of the base plate 159.
Reference numeral 163 denotes a guide pin insertion hole, and the guide pin insertion hole 163 penetrates the middle part of the left and right sides of the base plate 159, the movable side attachment plate 155, and the sub attachment plate 157 in the thickness direction. Reference numeral 165 denotes a guide pin that is slidably inserted into the guide pin insertion hole 163.
[0032]
Reference numeral 167 denotes a movable side mold plate. The movable side mold plate 167 includes an outer shell 169, an outer mold portion 171, and an inner mold portion 173, similarly to the fixed side mold plate 125.
The outer shell 169 is formed in a square frame shape, and both left and right sides thereof are fixed to the lower end of the guide pin 165 so as to be movable in the vertical direction, and between the rear end surface of the guide pin insertion hole 163. When the coil spring 175 is always urged downward by the compressed coil spring 175 and is not pressed from below, the large-diameter upper end of the guide pin 165 contacts the movable side mounting plate 155 as shown in FIG. It is held in the non-push-up position in contact.
The distal end portion of the coupling pin 161 is slidably inserted through a hole formed in the outer shell 169.
[0033]
The outer mold portion 171 has a rectangular tube shape having a planar shape that is the same size as the outer mold portion 129 of the fixed-side mold plate 125, and is fixed with the upper portion thereof being fitted inside the base plate 159. A portion protruding downward from the inside is slidably fitted into the outer shell 169.
The inner mold portion 173 has a planar shape that is the same size as the inner mold portion 131 of the fixed-side mold plate 125, and is fixed to the lower end portion of another guide pin 177 supported by the base plate 159 so as to be slidable in the vertical direction. The outer mold portion 171 is slidably fitted inside. The inner mold portion 173 is always biased downward by a coil spring 178 (see FIG. 6), and in a state where it is not pressed from below, its lower surface is flush with the lower surface of the outer shell 169, as shown in FIG. It is held in the non-push-up position located inside.
[0034]
A region extending along the inner mold part 173 on the lower surface of the outer mold part 171 is a groove 179. The outer shape of the groove 179 is the same size as the groove 143 of the fixed-side template 125, but the depth is slightly deeper than the groove 143.
In a state where the outer shell 169 and the inner mold portion 173 are in the non-push-up position, the lower surface of the outer mold portion 171 is retracted to some extent above the lower surfaces of the outer shell 169 and the inner mold portion 173. When the outer shell 169 and the inner mold portion 173 are pressed upward from this state, and the outer shell 169 comes to the push-up completion position in contact with the base plate 159 as shown in FIG. It is located in the same plane as the lower surface of the inner mold part 173. This plane is the movable parting surface 181, and in this state, the groove 179 is positioned so as to surround the lower end portion of the inner mold part 173 and constitutes a movable half cavity.
[0035]
Reference numerals 183 and 185 denote punches that are paired with each other. The punches 183 and 185 are provided at positions opposite to the left and right end portions of the punch hole 151 of the fixed-side mold plate 125, respectively, and are placed in vertical grooves formed at the left and right end portions of the outer mold portion 171. It is fixed to the mold part 171. When the outer shell 169 and the inner mold portion 173 are in the non-push-up position, the lower ends of the punches 183 and 185 are substantially at the same height as the lower surfaces of the outer shell 169 and the inner mold portion 173 (see FIG. 6).
[0036]
Reference numeral 187 denotes a pressing member for pressing the slide block 147. The pressing member 187 is supported by the outer mold portion 171, and an inclined surface 189 is formed on the lower end surface thereof. The pressing member 187 is arranged such that the inclined surface 189 faces the inclined surface 153 of the slide block 147 that is in the retracted position.
[0037]
The operation of the insert molding part 107 configured as described above will be described.
When the sheet metal materials 87 and 89 are fed by one pitch, the decorative metal fittings 41 and 43 formed in the press working portions 109 and 111 immediately before the sheet metal materials 87 and 89 are supplied onto the parting surface 135 of the fixed side mold plate 125. At this time, as can be seen from FIG. 4, the first decorative bracket 41 is positioned so as to ride on the rear portion of the upper surface of the inner mold portion 131, and the second decorative bracket 43 is positioned on the front portion of the upper surface of the inner mold portion 131. Located to ride on.
The position of the connecting piece 55 on the rear side of the first decorative bracket 41 is regulated by the right end of the connecting piece 55 abutting on the left side surface of the rear abutting wall 137 and the left end contacting the rear guide wall 139. . Further, the position of the outer peripheral piece 63 of the second decorative metal fitting 43 is determined by the left end of the outer peripheral piece 63 abutting against the right side surface of the front abutting wall 137 and the right end contacting the front guide wall 139.
[0038]
When the sheet metal materials 87 and 89 are fed, the slide block 147 is waiting in the retracted position, and therefore the punch hole 151 is entirely opened. When the decorative fittings 41 and 43 are supplied to the fixed-side template 125, the continuous portion 113 of the first decorative fitting 41 is positioned so as to close the left punch hole 151, and the second decorative fitting 43 continues. The portion 115 is positioned so as to close the right punch hole 151 (see FIG. 4).
[0039]
When the movable block 105 moves from this state to the mold closing position, the fixed side mold plate 125 and the movable side mold plate 167 are closed.
When the movable side template 167 is closed with respect to the fixed side template 125, first, as shown in FIG. 9, the outer surface 169 of the movable side template 167 and the lower surface of the inner mold part 173 are fixed to the fixed side template 125. The decorative brackets 41 and 43 supplied to the parting surface 135 are pressed down, and the lower ends of the punches 183 and 185 are close to the continuous portions 113 and 115.
At this point, the movement of the outer mold 169 and the inner mold part 173 of the movable side mold plate 167 is blocked, but the outer mold part 171 of the movable side mold plate 167 moves further downward, and as shown in FIG. When the inner mold portion 173 relatively reaches the push-up completion position, it stops.
[0040]
By the movement of the outer mold part 171 at this time, the continuous parts 113 and 115 are sheared and the slide block 147 is advanced. That is, after the movement of the outer shell 169 and the inner mold portion 173 is blocked, when only the outer mold portion 171 moves further downward, first, the punches 183 and 185 are inserted into the punch holes 151 while punching the continuous portions 113 and 115. Immediately after this, the continuous portions 113 and 115 are sheared at both right and left ends, and immediately after this, the inclined surface 189 of the pressing member 187 presses the inclined surface 153 of the slide block 147 to move the slide block 147 to the advanced position, and at the same time, the movable side The parting surface 181 is completed and brought into close contact with the fixed-side parting surface 135.
[0041]
Thereby, the fixed side half cavity 152 and the groove (movable side half cavity) 179 are combined to form a cavity that defines the outer shape of the body 39 of the coaster 37. In this cavity, the decorative fittings 41 and 43 are completely separated from the sheet metal materials 87 and 89.
From this state, the molten resin is injected into the cavity, and the coaster 37 is molded.
Thereafter, the movable block 105 is returned to the mold opening position, and the molded coaster 37 is taken out from the fixed mold 91 by an unillustrated ejecting mechanism.
[0042]
The holes 49 and 51 of the coaster 37 are formed by the abutting wall 137, the guide wall 139 and the protrusion 141 of the fixed-side template 125.
Although not shown in the drawings, a projection having a predetermined shape is provided on the lower surface of the inner mold portion 173 of the movable side plate 167, and a decoration hole 73 of the coaster 37 is formed by the projection.
[0043]
The embodiment of the present invention has been described in detail above, but the specific configuration is not limited to this embodiment, and the present invention can be changed even if there is a design change without departing from the gist of the present invention. include.
For example, in the embodiment, the punch remains in the cavity even after shearing the continuous part of the insert part, and functions as a member that defines a part of the cavity. You may make it return.
Further, the punch may be moved by a special moving means.
[0044]
In the embodiment, the two pressed parts are arranged on both sides of the insert molding part so that the two insert parts are fed from opposite directions. The number of insert parts is not limited to one having two insert parts, and the number of insert parts may be one or more. It is not always necessary, and the feeding path to the insert molding part does not have to be parallel to each other.
The insert molded product manufacturing apparatus to which the present invention can be applied is not limited to the one that manufactures the insert molded product shown in the embodiment, and various inserts that hold insert parts of various shapes in an embedded state. The present invention can be widely applied as an apparatus for manufacturing a molded product.
[0045]
【The invention's effect】
According to the present invention, it is possible to automatically and consistently perform pressing, shearing and insert molding on the sheet metal material for the insert part, and it is possible to leave no extra protrusion on the insert part as desired. It is possible to obtain a beautiful molded product in which the insert part having a shape is contained.
And in this invention, since a special shearing machine, the transfer process for shearing, etc. become unnecessary, an apparatus can be simplified greatly by that much.
In addition, since the insert part is completely separated from the sheet metal material in the insert molding part, excessive tension is applied to the sheet metal material and the molded part when ejecting the molded part or opening the press-processed part and insert molding part. There is no. Therefore, depending on the shape of the insert part, it is possible to eliminate the lifter that is required by the conventional molded product manufacturing apparatus, and further simplification can be achieved.
[0046]
According to the invention of claim 2, since the punch can be performed by utilizing the mold closing operation of the insert molding portion, a special moving means for moving the punch is not necessary.
[0047]
According to the invention of claim 3, the portion including the position where the continuous part faces in the cavity half on the fixed mold side is constituted by the slide block, and the punch hole is opened while the slide block is waiting in the retracted position. In this state, the mold closing of the movable mold and the fixed mold is started, and the slide block advances to complete the cavity half almost simultaneously with the completion of the mold closing. The shape of the product is not restricted.
[0048]
According to invention of Claim 4, a slide block can be advanced using the mold closing operation | movement of an insert molding part.
[0049]
According to invention of Claim 5, manufacture of the insert molded product which requires a some insert part can be performed continuously.
[Brief description of the drawings]
FIG. 1 is an overall front view of a coaster manufacturing apparatus according to an embodiment of the present invention.
2 is an enlarged perspective view of a main part of a fixed mold of the coaster manufacturing apparatus shown in FIG.
FIG. 3 is a perspective view in which a movable main part of the coaster manufacturing apparatus shown in FIG. 1 is partially cut and enlarged.
4 is an enlarged plan view showing a stationary side template of the coaster manufacturing apparatus shown in FIG. 1 in a state in which a decorative bracket has been fed. FIG.
5 is an enlarged plan view showing a part of a fixed side mold and a fixed platen of the coaster manufacturing apparatus shown in FIG.
6 is a cross-sectional view taken along line AA of FIG. 2 in a mold open state.
7 is a cross-sectional view taken along the line AA of FIG. 2 in a mold closing completion state.
8 is a cross-sectional view taken along the line BB in FIG. 2 in a mold open state.
9 is a cross-sectional view taken along line BB in FIG. 2 in an initial state of mold closing.
10 is a cross-sectional view taken along line BB of FIG. 2 in a mold closing completion state.
11 is an enlarged perspective view of a coaster manufactured by the coaster manufacturing apparatus shown in FIG. 1. FIG.
FIG. 12 is a schematic front view showing an example of a conventional molded product manufacturing apparatus.
[Explanation of symbols]
1 Molded product manufacturing equipment
3 Press working section
5 Movable platen
7 Fixed platen
9 Insert molding part
11 Movable type
13 Fixed type
15 Shearing part
17 Punch plate
19 Die plate
21 Movable base
23 Fixed base
25 Lifter
27 Movable block
29 fixed block
31 Sheet metal material
33 Feeding mechanism
35 Coaster production equipment
37 Coaster
39 (coaster's) body
41 (coaster) first decorative bracket
43 Second Coaster (coaster)
45 Outer frame (of body)
47 Bottom plate
49 (Body) hole
51 (Body) hole
53 Connecting piece (of the first decorative bracket)
55 Connecting piece (of the first decorative bracket)
57 Display elements (of the first decorative bracket)
59 Display elements (of the first decorative bracket)
61 Display element (of the first decorative bracket)
63 Perimeter piece (of the second decorative bracket)
65 Display element (of second decorative bracket)
67 Display elements (of the second ornament)
69 Display elements (of the second ornament)
71 Display element (of the second decorative bracket)
73 (Body) decoration hole
75 Body
77 tables
79 Fixed base
81 Drive unit
83 Movable base
85 Material feeding department
87 First sheet metal material
89 Second sheet metal material
91 Fixed type
93 First fixed platen
95 Second fixed platen
97 Fixed block
99 Movable type
101 First movable platen
103 Second movable platen
105 Movable block
107 Insert molding part
109 First press working section
111 Second press working section
113 Continuous part (of the first decorative bracket)
115 Continuous part (of second decorative bracket)
117 shoot
119 Fixed side mounting plate
121 Spacer
123 type backing plate
125 Fixed side template
127 (outside of fixed side template)
129 Outer mold part (of fixed side template)
131 Inner mold part (of fixed side template)
133 Bonding hole
135 Fixed side parting surface
137 Abutting wall (in the inner mold)
139 Guide wall (inner mold part)
141 Protrusion (inner mold part)
143 Groove (outside mold part)
145 Notch (outside mold)
147 slide block
149 Partial groove (of slide block)
151 Punch hole
152 Fixed side half cavity
153 (Slide block) slope
155 Movable side mounting plate
157 Sub-mounting plate
159 Base plate
161 Connecting pin
163 Guide pin insertion hole
165 Guide pin
167 Movable side template
169 Outline (of movable side template)
171 Outer mold part (of movable mold plate)
173 Inner mold part (of movable side template)
175 Coil spring
177 Guide pin
178 Coil spring
179 Groove (movable side half cavity)
181 Movable parting surface
183 punch
185 punch
187 Pressing member
189 Slope (of pressing member)

Claims (5)

The sheet metal material is processed by closing the fixed platen and the movable platen with the material feeding means for feeding the sheet metal material at a constant pitch, and the fixed platen and the movable platen facing each other across the sheet metal material feeding route. And a press-worked part in which a predetermined insert part is formed leaving a continuous part, an insert-molded part composed of a fixed mold and a movable mold facing the feeding path, and a moving path of the continuous part A cavity formed by a fixed die and a movable die, and a punch and a punch hole provided in the insert molding portion in a state of being opposed to each other, and a punch moving means for moving the punch forward and backward with respect to the punch hole. When the insert part is fed, the fixed mold and the movable mold are closed to close the fixed mold and the movable mold. The punch insert molding producing apparatus the continuous portion is inserted into the punch holes, characterized in that it is sheared removed when. 2. The insert molded product manufacturing apparatus according to claim 1, wherein a punch is provided in one of the fixed mold and the movable mold, and a punch hole is provided in the other, and the fixed parting surface and the movable parting surface are joined to each other. An insert-molded product manufacturing apparatus, wherein a punch is inserted into a punched hole before being punched. The insert molded product manufacturing apparatus according to claim 2, wherein a portion including a position where the continuous part of the insert part faces in the stationary mold side half cavity is constituted by a slide block, and the slide block is in a standby position in a retracted position. The punch hole is completely open, and the mold closing of the movable mold and the fixed mold starts from that state, and the slide block advances to complete the stationary half cavity almost simultaneously with the completion of the mold closing. An apparatus for manufacturing an insert-molded product. 4. The insert molded product manufacturing apparatus according to claim 3, wherein a pressing means for advancing the slide block is provided in the movable mold, and the pressing means presses the slide block when the mold closing is completed. Insert molded product manufacturing equipment. The insert molded product manufacturing apparatus according to claim 1, 2, 3, or 4, comprising one or a plurality of press working parts, wherein a plurality of insert parts are fed to the insert molding part through different feeding paths. Insert molded product manufacturing equipment.

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