CN219276708U

CN219276708U - Hot-melting assembly jig for injection molding part

Info

Publication number: CN219276708U
Application number: CN202223347380.5U
Authority: CN
Inventors: 杨富城; 叶建锋; 陈凡
Original assignee: Huizhou Jiecheng Precision Manufacturing Co ltd
Current assignee: Huizhou Jiecheng Precision Manufacturing Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-06-30
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a hot-melting assembly jig for injection molding parts, which relates to the technical field of hot-melting assembly and comprises an electric cabinet, wherein a rack is fixedly arranged on the rear side of the upper surface of the electric cabinet, a positioning frame is arranged in front of the rack, the positioning frame is shaped as a portal frame, sliding blocks are fixedly arranged on the left side and the right side of the rear side of the positioning frame respectively, sliding rails are fixedly arranged on the rack corresponding to the positions of the sliding blocks, and the sliding blocks slide on the sliding rails; the beneficial effects are that: by arranging the double-start switch, two hands are needed to be occupied when equipment is started, so that accidental injury of workers caused by operation of the equipment is reduced, and production safety is improved; the reset spring and the supporting spring are arranged for elastic support, and the positioning frame can slide along the sliding rail, so that the condition that the product to be assembled is crushed due to excessive pressing force of the pressing head is avoided; the positioning die is arranged for positioning and fixing the product to be assembled, and the positioning column is matched with the counter bore on the pressing head to avoid shaking in the pressing head pressing process, so that the accuracy requirement of the assembly size is ensured.

Description

Hot-melting assembly jig for injection molding part

Technical Field

The utility model relates to the technical field of hot melt assembly, in particular to a hot melt assembly jig for injection molding parts.

Background

Because the hot melting process has the advantages of simple operation, low processing cost and the like, the hot melting process is widely applied to the assembly production of plastic workpieces. The hot melting refers to a mode of heating a part of the area of the plastic workpiece to a fluid state and then fixedly connecting the part of the area with the welding body.

In the related art, a plurality of through holes are usually formed in a welding body, a plurality of welding columns for welding are usually arranged on a workpiece, when the workpiece is required to be welded to the body, the welding columns on the workpiece are penetrated in the through holes in the welding body, the hot-melting columns on the hot-melting jig are driven to abut against the welding columns through driving pieces, the hot-melting columns are heated and melted into fluid hot-melting glue by the hot-melting columns, a solidified layer is formed after the hot-melting glue is cooled and solidified, the welding body is positioned between the solidified layer and the workpiece, and therefore the workpiece is fixed to the welding body, but the existing driving pieces are driven to be of a hard structure, extrusion force is easy to be caused when extrusion is carried out, the workpiece is crushed, and the quality of the whole workpiece is influenced due to the fact that assembly size is deviated due to up-down positioning errors when shaping of shaping equipment is carried out.

Disclosure of Invention

The utility model aims to solve the problems and provide the hot-melting assembly jig for the injection molding.

The utility model realizes the above purpose through the following technical scheme:

the utility model provides an injection molding hot melt assembly tool, includes the electric cabinet, electric cabinet upper surface rear side fixed mounting has the frame, the frame the place ahead is provided with the locating rack, the shape of locating rack is the portal frame, the locating rack rear side is fixed mounting respectively about, the frame is last corresponds the slider position fixed mounting has the slide rail, the slider slides on the slide rail; a positioning die is fixedly arranged in the middle of the front side of the positioning frame, a supporting spring and a guide pillar are fixedly arranged at the lower end of the positioning frame, and a guide hole is formed in the upper surface of the electric cabinet corresponding to the position of the guide pillar; the electric cabinet is characterized in that a supporting plate is fixedly arranged on the upper surface of the electric cabinet corresponding to the middle position of the positioning frame, a heating plate is fixedly arranged on the upper end of the supporting plate, a cushion block is fixedly arranged on the rear side of the upper surface of the heating plate, a positioning column is fixedly arranged on the upper surface of the cushion block, a linear bearing is fixedly arranged on the upper part of the positioning frame corresponding to the position of the positioning column, the positioning column is inserted into the linear bearing to move, and a reset spring sleeved on the positioning column is arranged between the linear bearing and the cushion block; the hot melting head is fixedly arranged on the front side of the upper surface of the heating plate, the supporting block is fixedly arranged above the front side of the heating plate, the supporting block extends to the upper surface of the positioning die, the hot melting head upwards penetrates through the supporting block, and the hot melting head extends to the upper surface of the supporting block; a lower pressing cylinder is fixedly arranged at the upper end of the frame corresponding to the upper positions of the frame and the positioning die, a pressing head is fixedly arranged at the movable end of the lower pressing cylinder, a counter bore is formed at the rear side of the lower surface of the pressing head corresponding to the position of the positioning column, and a groove matched with a part to be mounted is formed at the front side of the lower surface of the pressing head corresponding to the position of the hot melting head; the right side of the slider on the right side is fixedly provided with a compression cylinder, the movable end of the front end of the compression cylinder is fixedly provided with a compression rod, and the compression rod extends to the front of the positioning die.

Preferably: and a rubber block is arranged at the middle position of the compression bar corresponding to the positioning die.

Preferably: and a heater is fixedly inserted in the heating plate.

Preferably: the electric cabinet is characterized in that starting switches are arranged on the front sides of the left end and the right end of the electric cabinet, and an emergency stop switch is fixedly arranged in the middle of the front side face of the electric cabinet.

Compared with the prior art, the utility model has the beneficial effects that: by arranging the double-start switch, two hands are needed to be occupied when equipment is started, so that accidental injury of workers caused by operation of the equipment is reduced, and production safety is improved; the reset spring and the supporting spring are arranged for elastic support, and the positioning frame can slide along the sliding rail, so that the condition that the product to be assembled is crushed due to excessive pressing force of the pressing head is avoided; the positioning die is arranged for positioning and fixing the product to be assembled, and the positioning column is matched with the counter bore on the pressing head to avoid shaking in the pressing head pressing process, so that the accuracy requirement of the assembly size is ensured.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic perspective view of a first view angle of an injection molding hot-melt assembly jig according to the present utility model.

Fig. 2 is a schematic perspective view of a second view angle of the hot-melt assembly fixture for injection molding parts according to the present utility model.

FIG. 3 is an explosion state diagram of the hot-melt assembly jig for injection molding according to the present utility model.

Fig. 4 is a schematic diagram of a partial structure of an injection molding hot-melt assembly jig according to the present utility model.

Fig. 5 is an enlarged view of a position a of the hot-melt assembly jig for injection molding parts according to the present utility model.

The reference numerals are explained as follows:

1. an electric control box; 2. a frame; 3. a pressing cylinder; 4. a pressure head; 5. a compression bar; 6. a slide rail; 7. a slide block; 8. a positioning frame; 9. a product to be assembled; 10. positioning a die; 11. positioning columns; 12. fitting to be assembled; 13. a thermal head; 14. a support block; 15. a support spring; 16. a guide post; 17. a compacting cylinder; 18. a support plate; 19. a return spring; 20. a cushion block; 21. and (5) heating the plate.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the indicated technical features, whereby the features defining "first", "second", etc. may explicitly or implicitly include one or more of such features.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or by communication between two elements, the specific meaning of the terms in the present disclosure will be understood by those skilled in the art in view of the specific circumstances.

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1-5, the hot melting assembly jig for the injection molding part comprises an electric cabinet 1, wherein a rack 2 is fixedly arranged on the rear side of the upper surface of the electric cabinet 1, the rack 2 is used for supporting, a positioning frame 8 is arranged in front of the rack 2, the positioning frame 8 is used for positioning and mounting, the positioning frame 8 is in the shape of a portal frame, sliding blocks 7 are fixedly arranged on the left side and the right side of the rear side of the positioning frame 8 respectively, sliding rails 6 are fixedly arranged on the rack 2 corresponding to the positions of the sliding blocks 7, and the sliding blocks 7 slide on the sliding rails 6; a positioning die 10 is fixedly arranged in the middle of the front side of the positioning frame 8, the positioning die 10 is used for positioning and fixing a product 9 to be assembled, a supporting spring 15 and a guide pillar 16 are fixedly arranged at the lower end of the positioning frame 8, a guide hole is formed in the upper surface of the electric cabinet 1 corresponding to the position of the guide pillar 16, and the guide pillar 16 is used for guiding the positioning frame 8 to move up and down; the electric cabinet 1 upper surface is fixed with the backup pad 18 corresponding to the intermediate position of the locating rack 8, the backup pad 18 is used for supporting, the upper end of the backup pad 18 is fixedly provided with the heating plate 21, the heating plate 21 is used for conducting heat, the rear side of the upper surface of the heating plate 21 is fixedly provided with the cushion block 20, the cushion block 20 is used for insulating heat, the upper surface of the cushion block 20 is fixedly provided with the locating column 11, the locating column 11 is used for locating the pressing position of the pressing head 4, the upper part of the locating rack 8 is fixedly provided with a linear bearing corresponding to the locating column 11, the locating column 11 is inserted in the linear bearing for moving, a reset spring 19 sleeved on the locating column 11 is arranged between the linear bearing and the cushion block 20, and the reset spring 19 and the support spring 15 are both used for elastically supporting the locating rack 8; the front side of the upper surface of the heating plate 21 is fixedly provided with a hot melting head 13, the hot melting head 13 is used for melting a hot melting point, the upper part of the front side of the heating plate 21 is fixedly provided with a supporting block 14, the supporting block 14 is used for supporting, the supporting block 14 extends to the upper surface of the positioning die 10, the hot melting head 13 upwards penetrates through the supporting block 14, and the hot melting head 13 extends to the upper surface of the supporting block 14; the upper end of the frame 2 is fixedly provided with a pressing cylinder 3 corresponding to the upper positions of the frame 2 and the positioning die 10, the pressing cylinder 3 is used for driving the pressing, the movable end of the lower end of the pressing cylinder 3 is fixedly provided with a pressing head 4, the pressing head 4 is used for shaping, the rear side of the lower surface of the pressing head 4 is provided with a counter bore corresponding to the position of the positioning column 11, and the front side of the lower surface of the pressing head 4 is provided with a groove matched with the part 12 to be assembled corresponding to the position of the hot melting head 13; the right side of the slide block 7 on the right side is fixedly provided with a compression cylinder 17, the compression cylinder 17 is used for driving and fixing a product 9 to be assembled, the movable end of the front end of the compression cylinder 17 is fixedly provided with a compression rod 5, the compression rod 5 is used for compression and fixation, and the compression rod 5 extends to the front of the positioning die 10; the middle position of the compression bar 5 corresponding to the positioning die 10 is provided with a rubber block, so that the abrasion of the product 9 to be assembled is reduced; a heater is fixedly inserted into the heating plate 21 and used for heating; the front sides of the left end and the right end of the electric cabinet 1 are respectively provided with a starting switch, the equipment is started by two hands, accidental injury of the equipment is avoided, and an emergency stop switch is fixedly installed in the middle of the front side face of the electric cabinet 1, so that the equipment is conveniently turned off in an emergency mode.

Working principle: when the device is used, the to-be-assembled part 12 is inserted on the to-be-assembled product 9, the to-be-assembled product 9 is sleeved on the positioning die 10, the to-be-assembled part 12 is placed on the supporting block 14, the thermal melting point of the to-be-assembled part 12 corresponds to the position of the hot melting head 13, the compression cylinder 17 is started to shrink, the compression rod 5 is driven to compress the to-be-assembled product 9, the heater is started to heat the heating plate 21, the hot melting head 13 conducts heat and melts the thermal melting point of the to-be-assembled part 12, the starting pressing cylinder 3 is started to extend, the pressing head 4 is pressed down, the heater stops heating, the thermal melting point of the to-be-assembled part 12 is cooled and adhered and assembled on the to-be-assembled product 9, the positioning column 11 is used for positioning the pressing head 4 in the pressing down process of the pressing head 4, and the return spring 19 and the supporting spring 15 are elastically supported, and the guide pillar 16 is guided to move, and the product is prevented from being damaged due to excessive pressing force of the pressing head 4.

The electric cabinet 1, the pressing cylinder 3, the hot melt head 13, the pressing cylinder 17 and the heating plate 21 are all general standard components or components known to those skilled in the art, and the structure and principle thereof are all known by those skilled in the art through technical manuals or through routine experimental methods, so that no excessive description is made here.

While there have been shown and described what are at present considered to be fundamental principles, main features and advantages of the present utility model, it will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate only the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides an injection molding hot melt assembly tool, includes electric cabinet (1), its characterized in that: the electric cabinet is characterized in that a rack (2) is fixedly arranged on the rear side of the upper surface of the electric cabinet (1), a positioning frame (8) is arranged in front of the rack (2), the positioning frame (8) is shaped as a portal frame, sliding blocks (7) are fixedly arranged on the left side and the right side of the rear side of the positioning frame (8) respectively, sliding rails (6) are fixedly arranged on the rack (2) corresponding to the sliding blocks (7), and the sliding blocks (7) slide on the sliding rails (6); a positioning die (10) is fixedly arranged in the middle of the front side of the positioning frame (8), a supporting spring (15) and a guide pillar (16) are fixedly arranged at the lower end of the positioning frame (8), and a guide hole is formed in the upper surface of the electric cabinet (1) corresponding to the guide pillar (16); the electric cabinet is characterized in that a supporting plate (18) is fixedly arranged on the upper surface of the electric cabinet (1) corresponding to the middle position of the positioning frame (8), a heating plate (21) is fixedly arranged at the upper end of the supporting plate (18), a cushion block (20) is fixedly arranged on the rear side of the upper surface of the heating plate (21), a positioning column (11) is fixedly arranged on the upper surface of the cushion block (20), a linear bearing is fixedly arranged on the upper part of the positioning frame (8) corresponding to the position of the positioning column (11), the positioning column (11) is inserted into the linear bearing to move, and a reset spring (19) sleeved on the positioning column (11) is arranged between the linear bearing and the cushion block (20); a hot melting head (13) is fixedly arranged on the front side of the upper surface of the heating plate (21), a supporting block (14) is fixedly arranged above the front side of the heating plate (21), the supporting block (14) extends to the upper surface of the positioning die (10), the hot melting head (13) upwards penetrates through the supporting block (14), and the hot melting head (13) extends to the upper surface of the supporting block (14); a lower pressing cylinder (3) is fixedly arranged at the upper end of the frame (2) corresponding to the upper positions of the frame (2) and the positioning die (10), a pressing head (4) is fixedly arranged at the movable end of the lower pressing cylinder (3), a counter bore is formed in the rear side of the lower surface of the pressing head (4) corresponding to the position of the positioning column (11), and a groove matched with a part (12) to be assembled is formed in the front side of the lower surface of the pressing head (4) corresponding to the position of the hot melting head (13); the right side of the sliding block (7) on the right side is fixedly provided with a pressing cylinder (17), the moving end of the front end of the pressing cylinder (17) is fixedly provided with a pressing rod (5), and the pressing rod (5) extends to the front of the positioning die (10).

2. The injection molding hot melt assembly jig of claim 1, wherein: the middle position of the compression bar (5) corresponding to the positioning die (10) is provided with a rubber block.

3. The injection molding hot melt assembly jig of claim 1, wherein: the heater is fixedly inserted in the heating plate (21).

4. The injection molding hot melt assembly jig of claim 1, wherein: the electric cabinet (1) is characterized in that starting switches are arranged on the front sides of the left end and the right end of the electric cabinet (1), and an emergency stop switch is fixedly arranged in the middle of the front side face of the electric cabinet (1).