CN218111567U - Submarine type glue feeding injection mold - Google Patents

Abstract

The utility model provides a latent type glue feeding injection mold, which comprises an upper mold base, an upper template, an upper mold core, a lower template, a lower mold base, an inclined ejection mechanism and a latent type glue feeding mechanism, wherein the inclined ejection mechanism comprises a top plate, an inclined ejector rod and an inclined ejection sliding seat, a first back-off surface is arranged on one side of the top end of the inclined ejector rod, and a second back-off surface is arranged on the lower mold core; latent formula advances gluey mechanism includes hot runner system, advances gluey subassembly and locates lower mould benevolence one side, advances gluey subassembly top one side and is equipped with the second back-off profile, advances gluey subassembly one side and is equipped with the arc and advances gluey way, and the arc advances gluey way one end and second back-off profile intercommunication. After the die is closed, resin is injected into the die cavity through the arc-shaped glue inlet channel, an inverted buckle is formed between the first inverted buckle profile and the second inverted buckle profile, and the glue inlet is formed at the bottom of the inverted buckle. Its simple structure advances gluey mechanism through the formula of hiding and will advance gluey mouthful and form in the back-off bottom on the gluey basis is advanced to the cope match-plate pattern side, can not influence product appearance face, improves the pleasing to the eye degree of product.

Description

Formula of hiding advances to glue injection mold

Technical Field

The utility model relates to a mould indicates a formula of hiding advances to glue injection mold especially.

Background

The injection mold can be used for manufacturing various plastic products, the plastic products such as the box cover need to be provided with the inverted buckle at the periphery of the box cover in order to realize the buckling function, and the lower mold needs to be provided with a mechanism which is used for pushing the inverted buckle conveniently, so that the complexity of the mold is increased. In addition, the products are generally used as a shell, the appearance requirement of the products is often high, if the glue inlet is formed in the appearance surface of the products, the attractiveness of the products is affected, and if the glue inlet is formed in the bottom surface of the products, the glue inlet structure needs to be arranged on the lower die side, so that the structural complexity of the lower die is further increased, the die cost is high, and the production requirement of the products of the type is difficult to meet.

Disclosure of Invention

The utility model aims to solve the problem that a formula of hiding advances gluey injection mold is provided, changes advancing gluey mode of mould, simplifies the mould structure, improves the pleasing to the eye degree of product.

The technical problem to be solved is according to the utility model provides a glue injection mold is advanced to formula of hiding, including upper die base, cope match-plate pattern, upper die core, lower mould benevolence, lower bolster, die holder, still include oblique ejector mechanism and glue inlet mechanism of hiding, oblique ejector mechanism includes roof, a plurality of oblique ejector pins, a plurality of oblique ejector slide, the roof sets up between die holder and lower bolster, oblique ejector slide fixed connection is in roof top, oblique ejector pin one end and oblique ejector slide swing joint, the oblique ejector pin other end runs through lower mould benevolence and with lower mould benevolence swing joint, oblique ejector pin top one side is provided with first back-off profile, be provided with a plurality of second back-off profiles relative with first back-off profile on the lower mould benevolence; latent formula advances gluey mechanism includes hot runner system, advances gluey subassembly, and hot runner system sets up in upper die base one side, advances gluey subassembly and runs through and set up in lower mould benevolence one side, advances gluey subassembly top one side and is provided with the second back-off profile, advances gluey subassembly one side and runs through and be provided with the arc that goes out gluey mouthful intercommunication with hot runner system and advances gluey way, and the arc advances gluey way one end and second back-off profile intercommunication.

Preferably, the bottom of the upper die plate is provided with an upper die groove, the two upper die kernels are spliced in parallel and embedded in the upper die groove, the bottom of the upper die kernel is provided with two upper die profiles in parallel, the top of the lower die plate is provided with two lower die grooves in parallel, the lower die groove is fixedly connected with a lower die base plate matched with the lower die groove, the lower die base plate is provided with two lower die holes matched with the lower die kernels in parallel, and the lower die kernels are fixedly connected to the lower die holes.

Preferably, lower mould benevolence bottom is the echelonment and outwards extends and is provided with spacing platform, lower mould tank bottoms portion intercommunication is provided with the spacing groove that matches with spacing platform, spacing platform sets up in the spacing groove and its top adjoins with lower mould backing plate bottom surface, it is provided with the gluey groove of advancing with the lower nib intercommunication to run through on the lower mould backing plate, advance gluey subassembly include with advance the pedestal portion that gluey groove matches, pedestal portion sets up on advancing gluey groove, pedestal portion bottom extends to the outside and is provided with screens position, spacing groove one side intercommunication is provided with the screens groove that matches with screens position, screens position sets up on the screens groove and its top adjoins in lower mould backing plate bottom surface.

Preferably, advance gluey subassembly and advance gluey piece including the first gluey piece of advancing of jogged joint, second, first advance gluey piece and second advance a side that gluey piece is connected and all be provided with the arc wall, and two arc wall joggings form the arc and advance gluey way.

Preferably, first advance gluey piece, second and advance gluey piece top surface and all be provided with the bar grooved surface with arc wall one end intercommunication, two bar grooved surfaces amalgamation form advance gluey way one end intercommunication bar grooves with the arc, bar tank bottoms portion uplift is provided with the arc curved surface.

Preferably, the diameter of the arc-shaped glue inlet channel is gradually reduced from the end connected with the strip-shaped groove to the end connected with the second inverted-buckle profile.

Preferably, advance gluey subassembly top surface one side and be provided with into gluey boss, advance gluey boss and set up on second back-off profile, the arc advances gluey way one end and runs through the setting and advancing gluey boss top surface.

Preferably, the bottom end of the oblique ejector rod is provided with a T-shaped joint, the top of the oblique ejector slide seat is provided with a T-shaped groove matched with the T-shaped joint, the T-shaped joint is arranged on the T-shaped groove, a guide hole matched with the width of the oblique ejector rod is arranged on the lower template in a penetrating mode, and the oblique ejector rod penetrates through the guide hole.

Preferably, a plurality of pillars are fixedly connected between the upper template and the top plate, the pillars are arranged on the lower template in a penetrating manner, and a return spring abutting between the lower template and the top plate is sleeved on each pillar.

The utility model has the advantages that: the utility model provides a formula of hiding advances gluey injection mold, set up unique assembly structure, behind the compound die, go up mould benevolence, lower mould benevolence, oblique ejector pin surrounds the fashioned die cavity of formation product, through hot runner system toward injecting molten resin in the die cavity, the resin will advance gluey way through the arc and inject into the die cavity, form the product behind the resin cooling shaping, form the back-off between first back-off profile and the second back-off profile, because the arc advances gluey way and follows the resin from hot runner system through second back-off profile drainage to the die cavity, it will form in the back-off bottom to advance jiao kou. After the mold is opened, the upper mold core is separated from the product, the top plate is jacked up, the inclined ejector rod moves along the inclined ejector sliding seat and is separated from the product back-off, and the product can be taken out of the lower mold core at the moment. Its simple structure advances gluey mechanism through the formula of hiding and will advance gluey mouthful and form in the back-off bottom on the gluey basis is advanced to the cope match-plate pattern side, can not influence product appearance face, improves the pleasing to the eye degree of product.

Drawings

Fig. 1 illustrates an exploded structure diagram of the present invention.

Fig. 2 illustrates a schematic cross-sectional structure diagram of the present invention.

Fig. 3 illustrates the outline structure of the present invention.

Fig. 4 illustrates a partially enlarged structural diagram of a portion a in fig. 1 according to the present invention.

Fig. 5 illustrates a schematic diagram of a part B of fig. 1 according to the present invention.

Fig. 6 illustrates an assembly structure diagram of the lower mold backing plate and the lower mold insert of the present invention.

Fig. 7 illustrates a partial enlarged structural diagram of the part C in fig. 6 according to the present invention.

Fig. 8 illustrates a schematic structural view of the lower template of the present invention.

Fig. 9 illustrates a schematic structural diagram of the product of the present invention.

The reference numbers indicate: the upper die holder 1, the upper die plate 2, the upper die core 3, the lower die core 4, the second back-off surface 40, the limiting table 41, the lower die plate 5, the lower die groove 50, the limiting groove 51, the clamping groove 52, the guide hole 53, the lower die holder 6, the top plate 7, the inclined ejector rod 8, the first back-off surface 80, the upper die groove 81, the T-shaped joint 82, the inclined top sliding seat 9, the upper die surface 90, the T-shaped groove 91, the hot runner system 10, the glue inlet assembly 11, the arc glue inlet channel 110, the seat body part 111, the clamping part 112, the first glue inlet block 113, the second glue inlet block 114, the arc groove 115, the strip groove surface 116, the strip groove 117, the arc curved surface 118, the glue inlet boss 119, the lower die base plate 12, the lower die hole 120, the glue inlet groove 121, the support column 13, the reset spring 14, the product 15, the back-off 150 and the glue inlet surface 151.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments.

All other embodiments of the person skilled in the art, which are obtained without inventive work on the basis of the described embodiments of the present disclosure, are within the scope of protection of the present disclosure.

Refer to fig. 1-9.

The utility model provides a glue injection mold is advanced to formula of hiding, including upper die base 1, cope match-plate pattern 2, go up mould benevolence 3, lower mould benevolence 4, lower bolster 5, die holder 6, still include oblique ejector mechanism and the formula of hiding and advance the gluey mechanism, oblique ejector mechanism includes roof 7, a plurality of oblique ejector pin 8, a plurality of oblique ejector slide 9, roof 7 sets up between die holder 6 and lower bolster 5, oblique ejector slide 9 fixed connection is in the top of roof 7, oblique ejector pin 8 one end and oblique ejector slide 9 swing joint, the other end of oblique ejector pin 8 runs through lower mould benevolence 4 and with lower mould benevolence 4 swing joint, oblique ejector pin 8 top one side is provided with first back-off profile 80, be provided with a plurality of second back-off profile 40 relative with first back-off profile 80 on the lower mould benevolence 4; latent glue feeding mechanism includes hot runner system 10, advances gluey subassembly 11, and hot runner system 10 sets up in upper die base 1 one side, advances gluey subassembly 11 and runs through and set up in lower mould benevolence 4 one side, advances gluey subassembly 11 top one side and is provided with second back-off profile 40, advances gluey subassembly 11 one side and runs through and be provided with the arc that communicates with hot runner system 10 glue outlet and advance gluey way 110, and the arc advances gluey way 110 one end and second back-off profile 40 intercommunication.

The specific use principle is that after the die is closed, the upper die core 3, the lower die core 4 and the inclined ejector rod 8 surround to form a cavity, molten resin is injected into the cavity through the hot runner system 10, the resin is injected into the cavity through the arc-shaped glue inlet channel 110, a product 15 is formed after the resin is cooled and formed, a reverse buckle 150 is formed between the first reverse buckle profile 80 and the second reverse buckle profile 40, the arc-shaped glue inlet channel 110 guides the resin into the cavity from the hot runner system 10 through the second reverse buckle profile 40, and a glue inlet of the product 15 is formed at the bottom of the reverse buckle 150. After the mold is opened, the upper mold core 3 is separated from the product 15, the top plate 7 is jacked up, one end of the inclined ejector rod 8 moves back and forth along the inclined ejector slide seat 9, the first back-off molded surface 80 of the inclined ejector rod 8 is separated from the back-off 150 of the product 15, and the product 15 can be taken out of the lower mold core 4 at the moment. Its simple structure advances gluey mechanism through the formula of hiding and will advance gluey mouth and form in back-off 150 bottoms on the gluey basis of upper mould side, can not influence product appearance face, improves the pleasing to the eye degree of product.

Based on the above embodiment, the bottom of the upper template 2 is provided with the upper mold cavity 81, the two upper mold cores 3 are assembled and embedded in the upper mold cavity 81 in parallel, the bottom of the upper mold core 3 is provided with the two upper mold surfaces 90 in parallel, the top of the lower template 5 is provided with the two lower mold cavities 50 in parallel, the lower mold cavity 50 is fixedly connected with the lower mold base plate 12 matched with the lower mold cavities 50, the lower mold base plate 12 is provided with the two lower mold holes 120 matched with the lower mold cores 4 in parallel, and the lower mold cores 4 are fixedly connected to the lower mold holes 120. Form 4 die cavities after cope match-plate pattern 2 and lower bolster 5 merge, can once only take shape 4 products 15, go up the mould benevolence 3 and can follow the upper die groove 81 and pull down, lower mould benevolence 4 can be pulled down from lower die hole 120, and lower bolster 12 can be pulled down from lower die groove 50, can conveniently maintain the maintenance to the mould, improves mould maintenance efficiency.

Based on the above embodiment, the bottom of the lower mold core 4 is provided with the limiting table 41 extending outward in a step shape, the bottom of the lower mold groove 50 is provided with the limiting groove 51 matching with the limiting table 41 in a communicating manner, the limiting table 41 is disposed in the limiting groove 51, and the top of the limiting table is adjacent to the bottom surface of the lower mold base plate 12, the lower mold base plate 12 is provided with the glue inlet groove 121 communicating with the lower mold hole 120 in a penetrating manner, the glue inlet assembly 11 includes the seat body portion 111 matching with the glue inlet groove 121, the seat body portion 111 is disposed on the glue inlet groove 121, the bottom of the seat body portion 111 extends outward to be provided with the clamping portion 112, one side of the limiting groove 51 is provided with the clamping groove 52 matching with the clamping portion 112 in a communicating manner, and the clamping portion 112 is disposed on the clamping groove 52, and the top of the clamping portion is adjacent to the bottom surface of the lower mold base plate 12. During the assembly, will advance during spacing platform 41 sets into spacing groove 51 earlier, will advance gluey subassembly 11 and set into on advancing gluey groove 121, then on die cavity 50 under will organizing into lower backing plate 12, lower backing plate 12 will press at spacing platform 41 and screens portion 112 top, realized spacing to spacing platform 41 and screens portion 112, thereby fix on lower bolster 5 with lower mould benevolence 4 and advance gluey subassembly 11, can conveniently carry out the dismouting to the mould, the convenience is maintained the mould.

Based on the above embodiment, the glue feeding assembly 11 comprises the first glue feeding block 113 and the second glue feeding block 114 which are connected in a splicing manner, the arc-shaped grooves 115 are formed in one side face, connected with the first glue feeding block 113 and the second glue feeding block 114, of the first glue feeding block 113 and the second glue feeding block 114, the two arc-shaped grooves 115 are spliced to form the arc-shaped glue feeding channel 110, and the arc-shaped glue feeding channel 110 is more convenient to process and easy to operate.

Based on the above embodiment, the top surfaces of the first glue feeding block 113 and the second glue feeding block 114 are both provided with the strip-shaped groove surfaces 116 communicated with one end of the arc-shaped groove 115, the two strip-shaped groove surfaces 116 are spliced to form the strip-shaped groove 117 communicated with one end of the arc-shaped glue feeding channel 110, and the bottom of the strip-shaped groove 117 is provided with the arc-shaped curved surface 118 in a raised manner. Strip groove 117 and last mould benevolence 3 merge and form hot runner system 10 outlet and the arc and advance the passageway between the gluey way 110, the molten resin of following hot runner system 10 output passes through strip groove 117 in proper order, the arc advances to advance and enters the die cavity behind the gluey way 110, resin meets arc curved surface 118 when passing through strip groove 117, the arc curved surface 118 of uplift leads to the cross-section of strip groove 117 to diminish, thereby increased the resin and advanced the pressure of penetrating of gluey way 110 end toward the arc, improve resin and penetrated efficiency, ensure that the die cavity is filled up with the resin, improve forming efficiency and shaping quality.

Based on the above embodiment, the diameter of the arc-shaped glue inlet channel 110 gradually decreases from the end connected with the strip-shaped groove 117 to the end connected with the second inverted-buckle molded surface 40, so that the injection pressure of the resin into the cavity can be increased, the resin filling efficiency can be increased, and the molding efficiency and the molding quality can be improved.

Based on the above embodiment, one side of the top surface of the glue inlet assembly 11 is provided with the glue inlet boss 119, the glue inlet boss 119 is disposed on the second inverted-buckle profile 40, and one end of the arc glue inlet channel 110 penetrates through the top surface of the glue inlet boss 119. Through set up into gluey boss 119 on second back-off profile 40, can form the indent and advance gluey face 151 in back-off 150 bottom of product 15, advance gluey mouthful and can not form on back-off 150 bottom surface, further improve the pleasing to the eye degree of product 15.

Based on the above embodiment, the bottom end of the oblique ejector rod 8 is provided with the T-shaped joint 82, the top of the oblique ejector slide 9 is provided with the T-shaped groove 91 matched with the T-shaped joint 82, the T-shaped joint 82 is arranged on the T-shaped groove 91, the lower template 5 is provided with the guide hole 53 matched with the width of the oblique ejector rod 8 in a penetrating manner, and the oblique ejector rod 8 is arranged on the guide hole 53 in a penetrating manner. When upwards promoting roof 7, oblique ejector pin 8 receives ascending thrust, and T type joint 82 will remove along T type groove 91, and oblique ejector pin 8 will be movable around on guiding hole 53 to let first back-off profile 80 break away from with the back-off 150 of product 15, take off back-off stability height.

Based on the above embodiment, a plurality of pillars 13 are fixedly connected between the upper template 2 and the top plate 7, the pillars 13 are arranged on the lower template 5 in a penetrating manner, and the pillars 13 are sleeved with return springs 14 abutted between the lower template 5 and the top plate 7. When upwards promoting roof 7, cope match-plate pattern 2 will be along with roof 7 synchronous rebound, go up mould benevolence 3 and break away from with lower mould benevolence 4 under the drive of cope match-plate pattern 2, and product 15 breaks away from with last mould benevolence 3, and ejector pin 8 breaks away from with the back-off 150 of product 15 under the drive of roof 7 simultaneously to one side, and the die sinking goes on simultaneously with taking off the back-off, improves the shaping efficiency, provides product drawing of patterns stability. After the top plate 7 is released, the top plate 7 resets under the elastic force action of the reset spring 14, the upper die plate 2 resets under the driving of the top plate 7, and automatic resetting and die assembly are realized.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims (9)

1. The latent glue feeding injection mold comprises an upper mold base (1), an upper mold plate (2), an upper mold core (3), a lower mold core (4), a lower mold plate (5) and a lower mold base (6), and is characterized by further comprising an inclined ejection mechanism and a latent glue feeding mechanism, wherein the inclined ejection mechanism comprises a top plate (7), a plurality of inclined ejector rods (8) and a plurality of inclined ejection sliding seats (9), the top plate (7) is arranged between the lower mold base (6) and the lower mold plate (5), the inclined ejection sliding seats (9) are fixedly connected to the top of the top plate (7), one ends of the inclined ejector rods (8) are movably connected with the inclined ejection sliding seats (9), the other ends of the inclined ejector rods (8) penetrate through the lower mold core (4) and are movably connected with the lower mold core (4), a first back-off molding surface (80) is arranged on one side of the top ends of the inclined ejector rods (8), and a plurality of second back-off molding surfaces (40) opposite to the first back-off molding surfaces (80) are arranged on the lower mold core (4); latent glue feeding mechanism includes hot runner system (10), advances gluey subassembly (11), hot runner system (10) set up in upper die base (1) one side, advance gluey subassembly (11) run through set up in lower mould benevolence (4) one side, it is provided with to advance gluey subassembly (11) top one side second back-off profile (40), advance gluey subassembly (11) one side run through be provided with hot runner system (10) goes out the arc of gluing mouthful intercommunication and advances gluey way (110), the arc advance gluey way (110) one end with second back-off profile (40) intercommunication.

2. The latent glue injection mold according to claim 1, wherein an upper mold cavity (81) is formed in the bottom of the upper mold plate (2), the two upper mold cores (3) are assembled in parallel and embedded in the upper mold cavity (81), the two upper mold surfaces (90) are arranged in parallel in the bottom of the upper mold core (3), the two lower mold cavities (50) are arranged in parallel in the top of the lower mold plate (5), a lower mold base plate (12) matched with the lower mold cavities (50) is fixedly connected to the lower mold cavities (50), two lower mold holes (120) matched with the lower mold cores (4) are arranged in parallel in the lower mold base plate (12), and the lower mold cores (4) are fixedly connected to the lower mold holes (120).

3. The concealed glue inlet injection mold according to claim 2, wherein a limiting table (41) extends outwards in a stepped shape at the bottom of the lower mold core (4), a limiting groove (51) matched with the limiting table (41) is communicated with the bottom of the lower mold cavity (50), the limiting table (41) is arranged in the limiting groove (51) and the top of the limiting table is adjacent to the bottom surface of the lower mold base plate (12), a glue inlet groove (121) communicated with the lower mold hole (120) is arranged on the lower mold base plate (12) in a penetrating manner, the glue inlet assembly (11) comprises a seat body portion (111) matched with the glue inlet groove (121), the seat body portion (111) is arranged on the glue inlet groove (121), a clamping portion (112) extends outwards at the bottom of the seat body portion (111), a clamping groove (52) matched with the clamping portion (112) is communicated with one side of the limiting groove (51), and the clamping portion (112) is arranged on the lower mold base plate (52) and the top of the clamping portion is adjacent to the bottom surface of the lower mold base plate (12).

4. A latent glue injection mold according to claim 3, wherein the glue feeding assembly (11) comprises a first glue feeding block (113) and a second glue feeding block (114) which are connected in a splicing manner, an arc-shaped groove (115) is formed in each side surface of the first glue feeding block (113) connected with the second glue feeding block (114), and the two arc-shaped grooves (115) are spliced to form the arc-shaped glue feeding channel (110).

5. The latent glue injection mold according to claim 4, wherein the top surfaces of the first glue feeding block (113) and the second glue feeding block (114) are provided with strip-shaped groove surfaces (116) communicated with one end of the arc-shaped groove (115), the two strip-shaped groove surfaces (116) are spliced to form a strip-shaped groove (117) communicated with one end of the arc-shaped glue feeding channel (110), and the bottom of the strip-shaped groove (117) is provided with an arc-shaped curved surface (118) in a raised manner.

6. A latent glue injection mould according to claim 5, characterised in that the diameter of the curved glue inlet channel (110) tapers from the end connected to the strip-shaped groove (117) to the end connected to the second undercut-shaped surface (40).

7. The latent glue injection mold according to claim 6, wherein a glue inlet boss (119) is arranged on one side of the top surface of the glue inlet component (11), the glue inlet boss (119) is arranged on the second undercut profile (40), and one end of the arc-shaped glue inlet channel (110) penetrates through the top surface of the glue inlet boss (119).

8. The latent glue injection mold according to claim 1, wherein a T-shaped joint (82) is arranged at the bottom end of the inclined ejector rod (8), a T-shaped groove (91) matched with the T-shaped joint (82) is arranged at the top of the inclined ejector slide (9), the T-shaped joint (82) is arranged on the T-shaped groove (91), a guide hole (53) matched with the width of the inclined ejector rod (8) is arranged on the lower mold plate (5) in a penetrating manner, and the inclined ejector rod (8) is arranged on the guide hole (53) in a penetrating manner.

9. The latent type glue feeding injection mold according to claim 1, characterized in that a plurality of pillars (13) are fixedly connected between the upper mold plate (2) and the top plate (7), the pillars (13) are arranged on the lower mold plate (5) in a penetrating manner, and return springs (14) abutted between the lower mold plate (5) and the top plate (7) are sleeved on the pillars (13).

Images