Resin supply device, resin molding device, and method for manufacturing resin

Abstract

According to the invention, undesirable conditions such as blockage caused by passing of longitudinal resin material sheets are eliminated through a simple structure. The present invention is provided with: a resin feeding unit 81 that feeds a resin sheet T by vibration; a resin passage section (821) through which the resin sheet (T) fed by the feeding section (81) passes; and a resin discharge section 822 for discharging the resin sheet T that has moved through the resin passage section 821, the resin passage section 821 having: a guide groove 111 that is in contact with the outer peripheral surface of the lateral resin sheet T and guides the lateral resin sheet T so that the lateral resin sheet T passes toward the resin discharge section 822, and a guide groove 111 that is in contact with the outer peripheral surface of the lateral resin sheet T and guides the lateral resin sheet T so that the lateral resin sheet T passes toward the resin discharge section 822; and an inclined contact surface 121 which is formed so as to be inclined with respect to a passing direction X in which the resin sheet passes toward the resin discharge section 822 side, and which can be brought into contact with the outer peripheral surface of the resin sheet T in the longitudinal direction.

Description

Technical Field

[0001] The present invention relates to a resin supply device, a resin molding device and a method for manufacturing a resin molded product. Background Art

[0002] In the existing resin molding apparatus, there is an apparatus that supplies a cylindrical resin tablet to a molding die and performs resin molding by the resin tablet. In the resin molding apparatus, a plurality of resin tablets are held on a loader and conveyed to the molding die, and the resin tablets are supplied to the loader by a resin supply device.

[0003] Here, when supplying the resin tablets to the loader, the resin tablets need to be arranged in accordance with the loader. In a state where the horizontal and vertical resin tablets are mixed, there is a possibility that problems such as clogging may occur before supplying to the loader.

[0004] Therefore, it is conceivable to arrange the resin tablets in any direction before supplying them to the loader. For example, Patent Document 1 discloses a tablet supply device that stores tablets in a standing state in a retainer, moves the tablet retainer to a forming mold, and supplies the tablets to the forming mold.

[0005] The sheet feeding device comprises: a sheet lifting unit for lifting sheets arranged in a random direction; and a sheet arranging unit for arranging the lifted sheets, wherein the sheet arranging unit is provided with a lifting mechanism for changing sheets in a horizontal position into an upright position. Specifically, a confirmation sensor for determining whether the sheet is in a horizontal position or an upright position is provided in the sheet arranging unit, and when the confirmation sensor determines that the sheet is in a horizontal position, the lifting mechanism lifts the end of the sheet to make it in an upright position.

[0006] Prior art literature

[0007] Patent Literature

[0008] Patent Document 1: Japanese Patent Application Publication No. 2000-317984 Summary of the invention

[0009] Problems to be solved by the invention

[0010] However, the mechanism for unifying the sheet in the horizontal position into a certain posture such as the upright position as described above is complicated and requires space for its installation.

[0011] Therefore, the present invention is made to solve the above-mentioned problems, and a main object of the present invention is to eliminate, with a simple structure, problems such as clogging caused by a longitudinal resin web entering a portion through which a lateral resin web is to pass.

[0012] Means of solving problems

[0013] That is, the resin supply device of the present invention is a resin supply device for supplying cylindrical resin sheets used for resin molding, and is characterized in that it includes: a resin delivery portion that delivers the resin sheet by vibration; a resin passage portion that allows the resin sheet delivered by the resin delivery portion to pass through; and a resin carry-out portion that carries out the resin sheet moving in the resin passage portion, the resin passage portion having: a guide groove that contacts the outer peripheral surface of the resin sheet in the horizontal direction and guides the resin sheet in the horizontal direction so that it passes toward the resin carry-out portion side; and an inclined contact surface that is formed inclined relative to the passing direction toward the resin carry-out portion side and contacts the outer peripheral surface of the resin sheet in the longitudinal direction.

[0014] Effects of the Invention

[0015] According to the present invention thus constituted, it is possible to solve the problem of clogging caused by the longitudinal resin web entering the portion through which the lateral resin web is to pass, with a simple structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] [ Figure 1 ] is a schematic diagram showing the structure of a resin molding device according to one embodiment of the present invention.

[0017] [ Figure 2 ] is a partial cross-sectional view showing the main parts of the stamping portion of the present embodiment.

[0018] [ Figure 3 ] is a plan view schematically showing the structure of the resin supply device (resin supply module) of this embodiment.

[0019] [ Figure 4 ] is a front view schematically showing the structure of the resin supply module of the present embodiment.

[0020] [ Figure 5 ] is a three-dimensional diagram showing a unit component of the present embodiment.

[0021] [ Figure 6 ](a) is a plan view of the unit member of the present embodiment, (b) is a view of the unit member as viewed from a passing direction X, and (c) is a view showing the relationship between the center of gravity of the resin sheet and the cutout portion.

[0022] [ Figure 7 ](a) is a diagram showing a lateral resin sheet passing region R1 in a unit component of the present embodiment, (b) is a diagram showing a longitudinal resin sheet passing region R2, and (c) is a diagram showing a region R3 where an inclined contact surface can be provided.

[0023] [ Figure 8] are a stereoscopic view and a plan view showing the situation where a horizontal resin sheet passes through a unit component in this embodiment.

[0024] [ Fig. 9 ] are a stereoscopic view and a plan view showing the situation where a longitudinal resin sheet passes through a unit component in this embodiment.

[0025] [ Fig.10 ] is a three-dimensional diagram showing a unit component of a modified embodiment.

[0026] [ Fig.11 ](a) is a stereoscopic view of a unit component of a modified embodiment, (b) is a view observed from a passing direction X (indicating a passing region R1), and (c) is a view observed from a passing direction X (indicating a passing region R2). DETAILED DESCRIPTION

[0027] Next, the technology of the present invention will be described in more detail with examples. However, the present invention is not limited to the following technology.

[0028] The resin supply device of technology 1 of the present invention is a resin supply device for supplying cylindrical resin sheets used for resin molding, and is characterized in that it includes: a resin delivery portion that delivers the resin sheet by vibration; a resin passage portion that allows the resin sheet delivered by the resin delivery portion to pass through; and a resin carry-out portion that carries out the resin sheet moving in the resin passage portion, and the resin passage portion has: a guide groove that contacts the outer peripheral surface of the horizontal resin sheet and guides the horizontal resin sheet in a manner that allows it to pass toward the resin carry-out portion side; and an inclined contact surface that is formed obliquely relative to the passing direction toward the resin carry-out portion side and contacts the outer peripheral surface of the longitudinal resin sheet.

[0029] In the case of the resin supply device, since a guide groove for guiding the lateral resin sheet to pass through is provided in the resin passage portion, the lateral resin sheet can be stably passed through. In addition, since an inclined contact surface is provided which is inclined relative to the passing direction passing toward the resin carrying-out portion side and contacts the outer peripheral surface of the longitudinal resin sheet, the longitudinal resin sheet moves in a direction deviating from the passing direction while contacting the inclined contact surface as it advances in the resin passage portion, thereby being removed from the resin passage portion. Thus, it is possible to eliminate undesirable conditions such as blockage caused by the longitudinal resin sheet entering the portion through which the lateral resin sheet should pass. Therefore, the resin sheet can be stably supplied to the loader. Furthermore, the present invention is a structure for delivering the resin sheet by vibration, which is particularly effective for resin sheets having a shape that is easily changed into a longitudinal shape by vibration (for example, in the case of resin sheets whose axial length is less than 1 times the diameter).

[0030] In the resin supply device according to the second aspect of the present invention, preferably, in addition to the structure of the first aspect, the inclined contact surface is formed so as to cross the guide groove in a plan view of the guide groove.

[0031] According to the above structure, since the inclined contact surface is formed to cross the guide groove, the vertical resin web can be easily removed from the resin passage portion.

[0032] The resin supply device of technology 3 of the present invention is ideally based on the structure of technology 1 or 2, and the resin passage portion has a cutout portion on the side where the longitudinal resin sheet contacts and moves with the inclined contact surface for allowing the longitudinal resin sheet to drop from the resin passage portion.

[0033] By providing the cutout portion in this manner, the resin web in the longitudinal direction can be easily removed from the resin passage portion.

[0034] The resin supply device of the fourth aspect of the present invention is preferably configured in any one of the first to third aspects, wherein the inclined contact surface is disposed outside a passage area of ​​the resin web in a lateral direction as viewed from the passage direction in the resin passage portion.

[0035] With the above structure, the inclined contact surface can allow the lateral resin web to pass through without coming into contact with the lateral resin web.

[0036] The cylindrical resin tablet has a circular shape when viewed from the axial direction and a rectangular shape when viewed from a direction perpendicular to the axial direction. Therefore, when viewed from the passing direction in the resin passage portion, the passing area of ​​the horizontal resin tablet is circular, and the passing area of ​​the vertical resin tablet is rectangular. In order to utilize this point to appropriately remove the vertical resin tablet, the resin supply device of the fifth technique of the present invention is preferably based on any of the structures of the first to fourth techniques, and the inclined contact surface contacts the lower part or the upper part of the outer peripheral surface of the vertical resin tablet.

[0037] The resin supply device of technology 6 of the present invention is ideally based on any structure of technologies 1 to 5, wherein the resin passage portion has a planar portion, and the planar portion contacts the bottom surface of the longitudinal resin sheet until the longitudinal resin sheet contacts the inclined contact surface.

[0038] According to the above structure, the longitudinal resin web moves toward the inclined contact surface while maintaining the longitudinal state and contacts the inclined contact surface, so that the longitudinal resin web can be reliably removed by utilizing the inclined contact surface.

[0039] In the resin supply device according to the seventh aspect of the present invention, preferably, in addition to the configuration of any one of the first to sixth aspects, the guide groove and the inclined contact surface are formed in a unit member constituting a portion of the resin passage portion.

[0040] According to the above structure, only by providing the unit member in the resin passage portion, a structure in which the resin web in the longitudinal direction is removed can be easily provided in the resin passage portion.

[0041] As specific embodiments of the guide groove and the inclined contact surface in the unit member, the following may be considered.

[0042] That is, the resin supply device of technology 8 of the present invention can be considered to be based on the structure of technology 6, wherein the guide groove is formed from one end to the other end in the unit component along the passing direction toward the resin discharge part side, and the inclined contact surface is respectively arranged on both sides of the guide groove in the unit component, and contacts with the lower part of the outer peripheral surface of the longitudinal resin sheet.

[0043] In addition, as other specific embodiments of the guide groove and the inclined contact surface in the unit member, the following can be considered.

[0044] That is, the resin supply device of technology 9 of the present invention can be considered to be based on the structure of technology 6, wherein the guide portion is formed from one end to the other end in the unit component along the passing direction toward the resin discharge portion side, and the inclined contact surface is arranged above the guide groove in the unit component and contacts the upper portion of the outer peripheral surface of the longitudinal resin sheet.

[0045] The resin supply device of the technique 10 of the present invention preferably further includes a recovery box for recovering the resin web removed from the inclined contact surface in addition to the structure of any one of the techniques 1 to 9.

[0046] According to the above structure, not only the resin web can be recovered, but also the recovered resin web can be reused by returning it to the resin delivery unit.

[0047] In addition, a resin molding device having a resin supply device according to any one of the above-mentioned techniques 1 to 10 is also an embodiment of the present invention.

[0048] In addition, a method for manufacturing a resin molded product is also an embodiment of the present invention, wherein the method for manufacturing a resin molded product is to perform resin molding on a molding object, and includes: a resin supplying step, in which the resin sheet is supplied to the loader by a resin supplying device of any one of the techniques 1 to 10; a conveying step, in which the resin sheet and the molding object are conveyed to a molding mold by the loader; and a molding step, in which the molding mold is closed to perform resin molding.

[0049] <One embodiment of the present invention>

[0050] Hereinafter, an embodiment of the resin molding device of the present invention will be described with reference to the accompanying drawings. In order to facilitate understanding, any of the following figures are appropriately omitted or exaggeratedly schematically depicted. The same components are marked with the same reference numerals and the description is appropriately omitted.

[0051] <Overall structure of resin molding device>

[0052] The resin molding device 100 of this embodiment performs resin molding on a molding object W1 to which an electronic component is fixed by transfer molding using a resin material. In addition, the resin molding device 100 uses a composite material (hereinafter referred to as "resin tablet T") in the form of a cylindrical tablet, for example, containing a thermosetting resin as the resin material. Furthermore, the resin tablet T is, for example, a material whose axial length L is less than 1 times the diameter D (L / D≦1.0). Furthermore, the shape of the resin tablet T is not limited to L / D≦1.0.

[0053] Furthermore, the molding object W1 may be, for example, a metal substrate, a resin substrate, a glass substrate, a ceramic substrate, a circuit substrate, a semiconductor substrate, a lead frame, a silicon wafer, a glass wafer, etc., with or without wiring. Also, as the electronic component, for example, electronic components such as semiconductor chips, resistor components, capacitor components, or electronic components in a form where at least one of these electronic components is sealed with resin.

[0054] Specifically, if Figure 1 As shown, the resin molding device 100 includes the following components as constituent elements: a supply module 2 for supplying a molding object W1 before molding and a resin sheet T; two resin molding modules 3A and 3B for performing resin molding; and a storage module 4 for storing a molding object W2 after molding (hereinafter referred to as "resin molded product W2"). ​​Furthermore, the supply module 2, the resin molding module 3A, the resin molding module 3B, and the storage module 4 as constituent elements can be detachably mounted on and off each other relative to other constituent elements and can be replaced.

[0055] In addition, the resin molding device 100 includes: a conveying mechanism 5 (hereinafter referred to as the "loader 5"), which conveys the molding object W1 and the resin sheet T supplied by the supply module 2 to the resin molding module 3A and the resin molding module 3B; and a conveying mechanism 6 (hereinafter referred to as the "unloader 6"), which conveys the resin molded product W2 resin-molded by the resin molding module 3A and the resin molding module 3B to the storage module 4.

[0056] The supply module 2 of the present embodiment integrates a molding object supply module 7 and a resin supply module 8 .

[0057] The forming object supply module 7 includes a forming object delivery unit 71 and a forming object supply unit 72. The forming object delivery unit 71 delivers the forming objects W1 in the material box to the forming object supply unit 72. The forming object supply unit 72 receives the forming objects W1 from the forming object delivery unit 71, arranges the received forming objects W1 in a predetermined direction, and delivers them to the loader 5.

[0058] The resin supply module 8 is a resin supply device that supplies resin tablets T to the loader 5, and includes a resin delivery unit 81 and a resin supply unit 82. The resin delivery unit 81 receives the resin tablets T from a storage unit 83 that stores a plurality of resin tablets T, and delivers the resin tablets T to the resin supply unit 82. The resin supply unit 82 receives the resin tablets T from the resin delivery unit 81, arranges the received resin tablets T in a predetermined direction, and delivers them to the loader 5. The detailed structure of the resin supply module 8 will be described later.

[0059] The resin molding module 3A and the resin molding module 3B each have a punching portion 31. Figure 2 As shown, each stamping part 31 has a lower die 311 which is a molding die capable of being raised and lowered, an upper die 312 which is a molding die fixed above the lower die 311 and facing each other, and a clamping mechanism 313 for clamping the lower die 311 and the upper die 312. The lower die 311 is fixed to the upper surface of a movable platen 314, and the upper die 312 is fixed to the lower surface of an upper fixed platen 315. The clamping mechanism 313 clamps or opens the upper die 312 and the lower die 311 by moving the movable platen 314 up and down.

[0060] The lower mold 311 has a mounting portion 311a for mounting the molding object W1 conveyed by the loader 5. The lower mold 311 has a plurality of pots 311b for mounting the resin tablets T conveyed by the loader 5. In the lower mold 311, a plunger 316 is provided in the pot 311b for injecting the resin tablets T into, for example, the resin flow path 312a and the cavity 312b formed in the upper mold 312.

[0061] In addition, a heating unit such as a heater is embedded in the upper mold 312 and the lower mold 311 (see Figure 2 The upper mold 312 and the lower mold 311 are usually heated to about 180° C. by the heating unit.

[0062] <Resin Molding Operation of Resin Molding Apparatus 100>

[0063] Hereinafter, basic operations of resin molding by the resin molding apparatus 100 of the present embodiment will be described.

[0064] The molding object delivery section 71 delivers the molding object W1 in the material box to the molding object supply section 72. The molding object supply section 72 arranges the received molding objects W1 in a predetermined direction and delivers them to the loader 5. At the same time, the resin delivery section 81 delivers the resin tablets T received from the hopper 83 to the resin supply section 82. The resin supply section 82 supplies the required number of the received resin tablets T (in Figure 1 There are 4 of them) handed over to the loader 5.

[0065] Next, the loader 5 simultaneously conveys the received two molding objects W1 and four resin tablets T to the punching unit 31 . The loader 5 supplies the molding objects W1 to the mounting portion 311 a of the lower mold 311 , and supplies the resin tablets T to the inside of the pot 311 b formed in the lower mold 311 .

[0066] Thereafter, the upper mold 312 and the lower mold 311 are molded together using the mold clamping mechanism 313. Then, the resin tablets T in each tank 311b are heated to melt and generate molten resin, and the molten resin is pressed by the plunger 316. Thus, the molten resin is injected into the interior of the cavity 312b formed in the upper mold 312 via the resin flow path 312a. Next, the molten resin is hardened to form a hardened resin by heating the molten resin for the required time required for hardening. Thus, the electronic components and their peripheral parts in the cavity 312b are sealed in the hardened resin (sealing resin) formed corresponding to the shape of the cavity 312b.

[0067] After the required time required for hardening has passed, the upper mold 312 and the lower mold 311 are opened to demold the resin molded product W2. Thereafter, the resin molded product W2 sealed with resin by the punching unit 31 is stored in the resin molded product storage unit 41 of the storage module 4 using the unloader 6.

[0068] The entire operation of the resin molding device 100 including the above series of operations is controlled by the control unit 9. Figure 1 The control unit 9 may be provided in the supply module 2 or in other modules. Furthermore, the control unit 9 may include, for example, a dedicated or general-purpose computer having a central processing unit (CPU), an internal memory, an analog to digital (AD) converter, an input / output inverter, and the like.

[0069] <Specific structure of resin supply module 8>

[0070] Then, if Figure 1 , Figure 3 and Figure 4As shown, the resin supply module 8 of the present embodiment includes a resin delivery unit 81 that delivers the resin tablet T by vibration, and a resin supply unit 82 that supplies the resin tablet T delivered by the resin delivery unit 81 to the loader 5 .

[0071] The resin delivery section 81 uses a so-called feeder such as Figure 1 , Figure 3 and Figure 4 As shown, it has: a resin receiving part 811 for accommodating a plurality of resin tablets T; a vibrating part 812 for vibrating the resin receiving part 811 to move the resin tablets T; and an arranging part 813 for arranging the resin tablets T moved by the vibration in a row. The resin receiving part 811 is replenished with resin tablets T from a storage container 83 provided above the resin receiving part 811. In addition, the arranging part 813 arranges the resin tablets T in a horizontal state. Here, the so-called "horizontal" can also be referred to as lying down or horizontal position, and the central axis of the cylindrical resin tablet T is the horizontal direction. Furthermore, the "longitudinal direction" described later can also be referred to as standing up or standing position, and the central axis of the cylindrical resin tablet T is the longitudinal direction.

[0072] Furthermore, a detection sensor (e.g., a light transmission type sensor, not shown) is provided in the arrangement section 813, and the detection sensor detects whether a predetermined number of resin tablets T are arranged on the arrangement section 813. Then, based on the detection signal of the detection sensor, when the predetermined number of resin tablets T are not arranged on the arrangement section 813, the control section 9 activates the vibration section 812, thereby arranging the predetermined number of resin tablets T on the arrangement section 813.

[0073] like Figure 1 , Figure 3 and Figure 4 As shown, the resin supply unit 82 includes a resin passage 821 through which the resin web T fed from the resin feeding unit 81 passes, and a resin unloading unit 822 for unloading the resin web T moving through the resin passage 821 by delivering it to the loader 5 .

[0074] One end of the resin passage portion 821 is provided at the outlet of the arrangement portion 813 of the resin delivery portion 81, and is used to move the resin tablet T delivered from the arrangement portion 813. Here, one end (inlet) of the resin passage portion 821 is provided with a gap so as not to contact the outlet of the arrangement portion 813. Thus, the vibration of the resin delivery portion 81 is not transmitted to the resin passage portion 821 via the arrangement portion 813. In addition, the gap between the outlet of the arrangement portion 813 and one end of the resin passage portion 821 is set to a degree (e.g., 2 mm) that does not hinder the movement of the resin tablet T from the arrangement portion 813 to the resin passage portion 821.

[0075] In addition, if Figure 4As shown in FIG. 1 , the resin delivery portion 81 is supported by the resin molding device 100 via the vibration-proof rubber 85, so that the vibration of the resin delivery portion 81 is not transmitted to the resin passage portion 821 via the surrounding members. Figure 4 , an example is shown in which a vibration-proof rubber 85 is provided on the bottom surface of a support leg 84 that supports the resin delivery portion 81.

[0076] In addition, if Figure 3 and Figure 4 As shown in FIG. 1 , the resin passage section 821 arranges the lateral resin tablets T sent out from the arranging section 813 in a row and moves them in a straight line to the handover position DP of the resin carrying-out section 822 to the loader 5. Specifically, the lateral resin tablets T sent out from the arranging section 813 enter the resin passage section 821 one by one, and the resin tablets T sent out from the arranging section 813 push the resin tablets T that have entered the resin passage section 821. Thus, the lateral resin tablets T enter the resin passage section 821 in sequence, and the lateral resin tablets T are arranged in a row while passing through the resin passage section 821 and moving to the handover position DP.

[0077] The resin unloading section 822 unloads the resin tablets T by arranging the plurality of lateral resin tablets T that have passed through the resin passage section 821 one by one and delivering the loader 5. The resin unloading section 822 is connected to the resin tablet storage section 51 (see FIG. 1 ) provided on the loader 5. Figure 4 ) to arrange the resin tablets T accordingly. Specifically, the resin carrying-out section 822 keeps the horizontal resin tablets T located at the handover position DP of the resin passage section 821 in a horizontal state and arranges them in parallel. Then, the resin carrying-out section 822 rotates so that the resin tablets T become vertical after the arrangement, and the resin tablets T arranged in the vertical direction are accommodated and delivered to the resin tablet accommodating section 51 of the loader 5.

[0078] <Structure in which the vertical resin web T is removed from the resin passage portion 821>

[0079] Furthermore, the resin supply module 8 of the present embodiment has a structure in which the vertical resin web T is removed from the resin passage portion 821 .

[0080] Specifically, if Figure 5 and Figure 6 As shown, the resin passage portion 821 of the resin supply module 8 includes: a guide portion 11 that contacts the outer peripheral surface of the horizontal resin tablet T to guide the horizontal resin tablet T to pass; and a removal portion 12 that contacts the outer peripheral surface of the longitudinal resin tablet T to prevent the longitudinal resin tablet T from passing and remove it. Here, the outer peripheral surface of the resin tablet T is the side surface of the resin tablet T after removing the two end surfaces in the axial direction, and is the side surface of the cross-section shape perpendicular to the axial direction is a circular shape.

[0081] In this embodiment, if Figure 3 and Figure 4 As shown in FIG. 1 , a unit member 10 having a guide portion 11 and a removal portion 12 is provided at one end (inlet) of the resin passage portion 821. Figure 3 , Figure 4 In the figure, the guide part 11 and the removal part 12 are not shown in the unit member 10. In addition, the unit member 10 constitutes a part of the resin passage part 821. Since the unit member 10 constitutes one end of the resin passage part 821, the unit member 10 is provided with a gap so as not to contact the outlet of the arrangement part 813.

[0082] In addition, if Figure 5 and Figure 6 As shown, the unit member 10 is configured such that the resin sheet T enters from one end 10a, the lateral resin sheet T is exposed from the other end 10b, and the resin sheet T moves on its upper surface. Specifically, the unit member 10 is provided with a guide portion 11 and a removal portion 12 on its upper surface. The unit member 10 of this embodiment is formed by integrally forming the guide portion 11 and the removal portion 12.

[0083] like Figure 5 and Figure 6 As shown, the guide portion 11 moves the lateral resin web T linearly along the axial direction on the upper surface portion of the unit member 10 .

[0084] Specifically, the guide portion 11 has a guide groove 111 on the upper surface of the unit member 10, and the guide groove 111 is formed from one end 10a to the other end 10b along the passing direction X of the resin passage portion 821 passing toward the resin carrying-out portion 822. The cross-sectional shape of the guide groove 111 perpendicular to the passing direction X may be an arc shape along the outer peripheral surface of the horizontal resin tablet T, or may be a polygonal groove shape such as a V-shaped cross-section that contacts the outer peripheral surface of the horizontal resin tablet T at multiple points in the circumferential direction.

[0085] In addition, if Figure 6 As shown in (a) and (c), the guide groove 111 has an opening width WD (width dimension orthogonal to the passing direction X) smaller than the diameter of the resin sheet T on the one end 10a (entrance) side of the removal portion 12, and specifically, is less than half of the diameter D of the resin sheet T. Furthermore, the opening width WD of the guide groove 111 becomes wider on the other end 10b side of the removal portion 12, but the opening width may be constant from the one end 10a to the other end 10b.

[0086] The removal portion 12 has an inclined contact surface 121 that contacts the outer peripheral surface of the longitudinal resin sheet T. The inclined contact surface 121 is formed to be inclined relative to the passing direction X of the resin passage portion 821 toward the resin delivery portion 822 when viewed from above. Here, the inclined angle θ of the inclined contact surface 121 relative to the passing direction X (see Figure 6 (a)) is, for example, 20° to 60°, preferably 30° to 45°. The inclined contact surface 121 of the present embodiment is a vertical plane formed on the upper surface of the unit member 10 .

[0087] In addition, if Figure 5 and Figure 6 As shown, the inclined contact surface 121 of this embodiment is formed to cross the guide groove 111 when looking down on the guide groove 111, and is respectively provided on both sides of the guide groove 111. One inclined contact surface 121a is provided on the side of one end 10a (upstream side) across the guide groove 111, and the other inclined contact surface 121b is provided on the side of the other end 10b (downstream side) across the guide groove 111. Moreover, these inclined contact surfaces 121a and 121b are formed to be on a straight line when looking down (refer to Figure 6 (a)).

[0088] Here, when viewed from the passing direction X, the passing region R1 of the resin web T in the horizontal direction in the unit member 10 is Figure 7 (a) When viewed from the passing direction X, the passing region R2 of the resin sheet T in the longitudinal direction of the unit member 10 is Figure 7 (b) Therefore, when viewed from the passing direction X, the inclined contact surface 121 is provided in a region R3 (see FIG. 1 ) which is outside the passing region R1 of the resin sheet T in the horizontal direction and inside the passing region R2 of the resin sheet T in the vertical direction. Figure 7 (c)) The inclined contact surface 121 contacts the lower part or the upper part of the outer peripheral surface of the longitudinal resin web T, thereby guiding the removal of the longitudinal resin web T. In this embodiment, the inclined contact surface 121 contacts the lower part of the outer peripheral surface of the longitudinal resin web T.

[0089] In addition, if Figure 5 and Figure 6As shown, the unit member 10 of this embodiment has a plane portion 13, and the plane portion 13 contacts the bottom surface of the longitudinal resin sheet T until the longitudinal resin sheet T contacts the inclined contact surface 121 of the removal portion 12. In the unit member 10, the plane portion 13 is formed on both sides of the guide groove 111 constituting the guide portion 11 on the side closer to the one end portion 10a (entrance) than the inclined contact surface 121 of the removal portion 12. The height position of the plane portion 13 is set to be the same as or slightly lower than the height position of the bottom surface of the arrangement portion 813. In addition, the width dimension of the plane portion 13 orthogonal to the passing direction X is larger than the diameter D of the resin sheet T. Thus, when the longitudinal resin sheet T enters the unit member 10 from the arrangement portion 813, it is prevented from getting stuck in the unit member 10. In addition, as described above, the opening width WD of the guide groove 111 in the width direction Y is smaller than the diameter of the resin tablet T (specifically, less than half of the diameter D of the resin tablet T), so the longitudinal resin tablet T moves on the flat surface 13 in a state of straddling the guide groove 111. Then, the longitudinal resin tablet T moves toward the inclined contact surface 121 while maintaining the longitudinal state and contacts the inclined contact surface 121.

[0090] Furthermore, if Figure 5 and Figure 6 As shown, the unit member 10 of this embodiment has a cutout portion 14 on the side (the side removed) where the longitudinal resin tablet T contacts and moves with the inclined contact surface 121, and the cutout portion 14 is used to make the longitudinal resin tablet T fall from the unit member 10. Here, the cutout portion 14 is formed by cutting the side surface of the unit member 10 toward the guide groove 111 side on the side where the longitudinal resin tablet T is removed.

[0091] In addition, the cutout portion 14 of the present embodiment is formed so that after the longitudinal resin sheet T moves in contact with the inclined contact surface 121a on one end side (upstream side) across the guide groove 111, it will not mesh with the corner of the inclined contact surface 121b on the other end side (downstream side) across the guide groove 111. Specifically, the cutout portion 14 is formed so that before the longitudinal resin sheet T moves in contact with the inclined contact surface 121a on one end side (upstream side) across the guide groove 111 and moves to the inclined contact surface 121b on the other end side (downstream side) across the guide groove 111, the center of gravity position G of the longitudinal resin sheet T is located further outside the cutout portion 14 (see Figure 6 (c)) Thus, the longitudinal resin web T is rotated outward from the cutout portion 14 by the torque due to its own weight and falls before coming into contact with the inclined contact surface 121b on the other end side.

[0092] like Figure 4As shown, the resin supply module 8 of this embodiment further includes a recovery box 15, and the recovery box 15 recovers the resin tablets T removed by the inclined contact surface 121. Specifically, the recovery box 15 is disposed below the unit member 10, and receives the resin tablets T dropped from the unit member 10. The resin tablets T recovered to the recovery box 15 can be discarded or returned to the hopper 83 or the resin receiving portion 811 of the resin delivery portion 81.

[0093] In addition, a measuring unit (not shown) for measuring the weight of the resin tablet T is provided in the resin passage 821 of the resin supply module 8. If the weight of the resin tablet T measured by the measuring unit is not within the allowable range, the resin tablet T is discarded from the resin passage 821. Figure 4 As shown, a discarding section 16 that can be opened and closed is formed at the bottom portion of the resin passage portion 821. When the discarding section 16 is opened, the resin sheet T whose weight is not within the allowable range falls and is discarded in the discarding box 17. The discarding section 16 of this embodiment is provided between the unit member 10 and the handover position DP in the resin passage portion 821. Furthermore, the discarding box 17 is provided separately from the collection box 15.

[0094] <State of the resin web T in the unit member 10>

[0095] Next, the state of the resin web T when the lateral resin web T and the longitudinal resin web T enter the unit member 10 will be briefly described.

[0096] First, when the resin sheet T in the horizontal direction enters the unit member 10 ( Figure 8 (a)), the lateral resin sheet T is guided by the guide groove 111 formed in the unit member 10. Then, a part of the circumferential direction of the outer peripheral surface of the lateral resin sheet T contacts the guide groove 111, and the lateral resin sheet T is moved toward the resin delivery portion 822 side while maintaining its lateral posture ( Figure 8 (b)→(c)). At this time, the lateral resin sheet T does not contact the inclined contact surface 121.

[0097] Next, when the longitudinal resin sheet T enters the unit member 10 ( Fig. 9 (a)), the longitudinal resin sheet T moves along the plane portion 13 formed on the unit member 10. Then, the longitudinal resin sheet T moving on the plane portion 13 contacts the inclined contact surface 121a on one end side (upstream side) through the guide groove 111, and moves in a direction deviating from the passing direction X ( Fig. 9 (b)) and moves toward the cutout 14. If the center of gravity position G of the longitudinal resin sheet T moves to the outside of the cutout 14 (refer to Figure 6 (c)), it will rotate outward due to the torque caused by its own weight and fall ( Fig. 9 (c)).

[0098] <Effects of the present embodiment>

[0099] According to the resin molding device 100 of the present embodiment, since the guide groove 111 for guiding the passage of the lateral resin sheet T is provided in the resin passage portion 821 of the resin supply module 8, the lateral resin sheet T can be stably passed. In addition, since the inclined contact surface 121 is provided, which is inclined with respect to the passage direction X passing toward the resin carrying-out portion 822 side and contacts the outer peripheral surface of the longitudinal resin sheet T, the longitudinal resin sheet T moves in a direction deviating from the passage direction X while contacting the inclined contact surface 121 as it advances in the resin passage portion 821, and is removed from the resin passage portion 821. In this way, the inclined contact surface 121 of the removal portion 12 hinders the passage of the longitudinal resin sheet T in the resin passage portion 821 and is removed, so that the longitudinal resin sheet T can be prevented from entering the portion where the lateral resin sheet T should pass, and the like, which is caused by blockage. Therefore, the resin sheet T can be stably supplied to the loader 5. In particular, the present embodiment is a structure for delivering the resin sheet T by vibration, and is effective for the resin sheet T having a shape that can be easily changed to a longitudinal shape by vibration (for example, the resin sheet T having an axial length L that is less than 1 times the diameter D (L / D≦1.0)).

[0100] <Other Modified Embodiments>

[0101] Furthermore, the present invention is not limited to the above-described embodiments.

[0102] For example, in the unit component 10 of the embodiment, the inclined contact surface 121a and the inclined contact surface 121b are arranged on both sides of the guide groove 111, but it can also be set as follows: the inclined contact surface 121b on the other end side is not arranged across the guide groove 111, and only the inclined contact surface 121a on one end side is arranged across the guide groove 111.

[0103] In addition, in the above-described embodiment, the cutout portion 14 is provided in the unit member 10. Fig.10 As shown, it is also possible to have a structure without the cutout portion 14. In the case of the structure described above, the longitudinal resin sheet T first contacts the inclined contact surface 121a on one end side (upstream side) across the guide groove 111, moves in a direction deviating from the passing direction X, and then contacts the inclined contact surface 121b on the other end side (downstream side) across the guide groove 111, and falls from the unit member 10 to be removed.

[0104] Furthermore, the following structure may be adopted: in the unit member 10, the removed portion 12 (the inclined contact surface 121) is formed as follows: Fig.11(a) is provided above the guide groove 111 of the guide portion 11 and contacts the upper portion of the outer peripheral surface of the longitudinal resin sheet T. Specifically, the unit member 10 comprises: a lower member 10P, which is formed with the guide groove 111 of the guide portion 11; and an upper member 10Q, which is provided above the lower member 10P and is formed with an inclined contact surface 121 as the removal portion 12. In the structure, as Fig.11 As shown in (b), when viewed from the passing direction X of the resin passage portion 821, the inclined contact surface 121 of the removal portion 12 is formed to surround the upper portion of the passing region R1 of the horizontal resin tablet T. Furthermore, when the vertical resin tablet T enters the unit member 10, as shown in FIG. Fig.11 As shown in (c), there is an inclined contact surface 121 in the passing region R2 of the longitudinal resin web T. The inclined contact surface 121 contacts the upper portion of the outer peripheral surface of the longitudinal resin web T, thereby removing the longitudinal resin web T.

[0105] In the above-described embodiment, the unit member 10 is provided at one end of the resin passage portion 821 , but the position where the unit member 10 is provided can be changed as appropriate as long as it is upstream of the intersection position DP of the resin passage portion 821 .

[0106] Furthermore, in the above-described embodiment, the unit member 10 having the guide portion 11 and the removal portion 12 is used. However, the unit member 10 may not be used, and the guide portion 11 and the removal portion 12 may be provided in the resin passage portion 821 .

[0107] The resin carrying-out section 822 of the embodiment is a component that arranges a plurality of lateral resin tablets T that have passed through the resin passage section 821 one by one and delivers them to the loader 5 for carrying out, but it may also be a structure other than this. For example, the resin carrying-out section 822 may also be a component that carries out the lateral resin tablets T that have passed through the resin passage section 821 through a conveying path formed by, for example, a tube made of resin. In the structure, the lateral resin tablets T that have passed through the resin passage section 821 are sent out to the conveying path. The plurality of resin tablets T that have been sent out to the conveying path are carried out via the conveying path by the suction force caused by the negative pressure. In this case, it may be considered to be a structure in which the resin supply device 8 having the resin carrying-out section 822 and the resin forming device 100 are placed in different positions. For example, even if the resin forming device 100 is arranged in a clean room, the resin tablets T may be supplied to the resin forming device 100 from the resin supply device 8 arranged outside the clean room via the conveying path.

[0108] In addition, the present invention is of course not limited to the above-described embodiment, and various modifications can be made without departing from the gist of the present invention.

[0109] Industrial Applicability

[0110] According to the present invention, it is possible to eliminate problems such as clogging caused by the longitudinal passage of a resin web with a simple structure.

[0111] Explanation of symbols

[0112] 100: Resin molding device

[0113] W1: Molding object

[0114] W2: Resin molded product

[0115] T: Resin sheet

[0116] 311: Lower mold (forming mold)

[0117] 5: Loader

[0118] 8: Resin supply module (resin supply device)

[0119] 81: Send out department

[0120] 821: Resin passage

[0121] 822: Resin removal department

[0122] 10: Unit components

[0123] X: Passing direction

[0124] 11: Guidance

[0125] 111: Boot slot

[0126] 12: Remove the part

[0127] 121: Inclined contact surface

[0128] R1: Transverse resin sheet passing area

[0129] R2: The area where the resin web passes in the longitudinal direction

[0130] 13: Plane

[0131] 14: Incision

[0132] 15: Recycling Bin

Claims

1. A resin supply device for supplying a cylindrical resin tablet used for resin molding, characterized in that: The resin supply device comprises: A resin delivery unit that delivers the resin sheet by vibration; a resin passage portion through which the resin web delivered by the resin delivery portion passes; and The resin carrying-out section carries out the resin sheet moved in the resin passage section, The resin passage portion has: a guide groove that contacts an outer peripheral surface of the lateral resin web and guides the lateral resin web to pass toward the resin carrying-out portion; and The inclined contact surface is formed to be inclined with respect to the passing direction toward the resin carrying-out portion, and is in contact with the outer peripheral surface of the resin web in the longitudinal direction.

2. The resin supply device according to claim 1, characterized in that: The inclined contact surface is formed to cross the guide groove in a plan view of the guide groove.

3. The resin supply device according to claim 1 or 2, characterized in that: The resin passage portion has a cutout portion on a side where the longitudinal resin web moves in contact with the inclined contact surface, the cutout portion being used to allow the longitudinal resin web to drop from the resin passage portion.

4. The resin supply device according to any one of claims 1 to 3, characterized in that: The inclined contact surface is provided outside a passage area of ​​the resin web in a lateral direction when viewed from a passage direction in the resin passage portion.

5. The resin supply device according to any one of claims 1 to 4, characterized in that: The inclined contact surface contacts a lower portion or an upper portion of an outer peripheral surface of the resin web in the longitudinal direction.

6. The resin supply device according to any one of claims 1 to 5, characterized in that: The resin passage portion has a flat surface portion that contacts a bottom surface of the resin web in the longitudinal direction until the resin web in the longitudinal direction contacts the inclined contact surface.

7. The resin supply device according to any one of claims 1 to 6, characterized in that: The guide groove and the inclined contact surface are formed in a unit member constituting a part of the resin passage portion.

8. The resin supply device according to claim 7, characterized in that: The guide groove is formed in the unit member from one end to the other end along a passing direction toward the resin carrying-out portion. The inclined contact surfaces are respectively provided on both sides of the guide groove in the unit member, and are in contact with a lower portion of an outer peripheral surface of the resin sheet in the longitudinal direction.

9. The resin supply device according to claim 7, characterized in that: The guide groove is formed in the unit member from one end to the other end along a passing direction toward the resin carrying-out portion. The inclined contact surface is provided above the guide groove in the unit member and contacts an upper portion of an outer peripheral surface of the resin web in the longitudinal direction.

10. The resin supply device according to any one of claims 1 to 9, characterized in that: The invention further comprises a recovery box for recovering the resin tablets removed from the inclined contact surface.

11. A resin molding device, characterized in that: A resin supply device according to any one of claims 1 to 10 is provided.

12. A method for manufacturing a resin molded product, comprising: performing resin molding on a molding object, characterized in that: The method for manufacturing the resin molded product comprises: a resin supplying step of supplying the resin web to the loader by a resin supplying device according to any one of claims 1 to 10; a conveying step of conveying the resin tablet and the molding object to a molding die by the loader; and In the molding step, the molding die is clamped to perform resin molding.

Images