CN212241983U

CN212241983U - Injection molding material mouth surely repaiies device

Info

Publication number: CN212241983U
Application number: CN202020805208.1U
Authority: CN
Inventors: 陈勇龙; 陆科明
Original assignee: Jiangxi Changfan Machinery Co ltd
Current assignee: Jiangxi Changfan Machinery Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-12-29
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a cutting and repairing device for a material port of an injection molding part, which comprises a handle front shell, wherein a handle rear cover is fixedly arranged on the back surface of the handle front shell, an adjusting rod is arranged in the middle of the handle rear cover, a pressing ironing plate is fixedly arranged at the top end of the adjusting rod, a metal clamping plate is in threaded connection with the upper part of the adjusting rod, a cutting knife is fixedly connected with the front upper part of the metal clamping plate, a rocker switch is fixedly buckled on the front lower part of the handle front shell, a big nut is loosened before the use, the adjusting rod is rotated, the relative position of the metal clamping plate and the adjusting rod is adjusted, so that a sharp blade at the top end of the cutting knife is coplanar with the plane at the top end of the pressing ironing plate, when the cutting and repairing device is used, a handle of a handheld device is opened, the rocker switch is electrified, the pressing ironing plate is pushed against a reserved surface of, the structure is scientific and reasonable, and great help is provided for people.

Description

Injection molding material mouth surely repaiies device

Technical Field

The utility model belongs to the technical field of the injection moulding technique and specifically relates to a device is surely repaiied to injection molding material mouth is related to.

Background

The injection molding part accounts for a large proportion in the process of processing and molding the modern rubber and plastic products with complex shapes, and the basic principle is that granular or powdery raw materials are added into a hopper of an injection molding machine, the raw materials are in a flowing state after being hot-melted, enter a mold cavity through a nozzle and a pouring system of a mold under the pushing of a screw rod of an injection machine, are hardened and molded in the mold cavity, and are taken out after being cooled to a certain temperature. The injection molding process has the advantages of capability of molding plastic parts with complex shapes, high dimensional precision and inserts, stable product quality and wide application range. In the production process, because the process reason must set up the sprue, the finished piece of moulding plastics is demolding after cooling, and the sprue hardens and the diameter is great, lacks general pruning equipment at present, all uses artifical pruning basically, and operating personnel hardly repairs the material mouth with scissors or cutting knife once only, and too vigorously still causes operating personnel to be injured, and the section is uneven after artifical pruning, influences the whole pleasing to the eye and the sense of touch of finished piece moreover.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an injection molding material mouth surely repaiies device to solve above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme: a cutting and repairing device for a material port of an injection molding part comprises a handle front shell, wherein a handle rear cover is fixedly arranged on the back surface of the handle front shell, a regulating rod penetrates through a through hole in the middle of the handle rear cover, big nuts are arranged at the upper end and the lower end of the joint of the handle rear cover and the regulating rod for fastening, a positioning screw fixing and regulating rod is fixedly arranged in the through hole in the back surface of the handle rear cover, a pressing and ironing plate is fixedly arranged at the top end of the regulating rod, a metal clamping plate is connected between the pressing and ironing plate at the middle upper part of the regulating rod and the handle rear cover through threads, a cutting knife is fixedly connected above the front part of the metal clamping plate, a heating wire is fixedly packaged at the top end of the tip of the cutting knife, ceramic binding posts are fixedly arranged at the positive end and the negative end of the heating wire, a rocker switch is fixedly buckled in a square groove, the inner side of the sheath is clamped to penetrate through a power line body, a power line live wire is connected with a contact piece in the middle of the rocker switch in an inserting mode through a wiring terminal, a cement resistor is fixedly welded on the contact piece in the lower portion of the rocker switch, a heat dissipation plate is fixedly arranged on the back face of the cement resistor, the back face of the heat dissipation plate is fixedly arranged on the inner wall of a front shell of the handle, the other end of the cement resistor is fixedly connected with a contact piece in the upper portion of the rocker switch, a terminal lantern ring of a power line ground wire is fixedly arranged on a metal clamping plate through a ground screw, an insulating sleeve is fixedly sleeved on the.

As the utility model discloses an injection molding material mouth surely repaiies preferred technical scheme of device, the power cord plug is single-phase two poles of the earth connection plug, the power cord upper end gets into live wire and zero line part on the metal card hole and, and insulating skin outside cover has the fine sleeve pipe of the glass of temperature resistant glass, it is the polyimide material to adjust the pole, press the board to be metal material surface chromium plating, the sheath is the silicon rubber material, insulating sleeve is the PVC material.

As the utility model discloses an injection molding material mouth surely repaiies preferred technical scheme of device, the rocker switch is three-gear tape light switch, lower part both sides elastic plastic cassette tape straining handle protecgulum draw-in groove, the rocker switch openly has the work pilot lamp, the rocker switch upper end is pressed for opening high fever shelves, and the lower extreme is pressed for opening low fever shelves, stops at the middle part for the power off state.

As the utility model discloses a preferred technical scheme of injection molding material mouth surely repaiies device, the internal thread has been attacked at lid through-hole upper and lower both ends part behind the handle, adjust the pole and attack with lid interior screw-thread fit department behind the handle and have the external screw thread.

As the utility model discloses a device is surely repaiied to injection molding material mouth preferred technical scheme, the lid material is engineering plastics behind shell and the handle before the handle, the shell combines with handle back lid edge buckle before the handle to use self-tapping screw fastening.

As the utility model discloses a device is surely repaiied to injection molding material mouth preferred technical scheme, cutting knife lower part cylinder interference is connected in the embedding metal cardboard constant head tank.

Compared with the prior art, the beneficial effects of the utility model are that: when the device is used, a handle of a hand-held device is held, a rocker switch is turned on, the pressing ironing plate is pressed against the plastic part reserved surface after being preheated for a few seconds, the opening part of the cutting knife tip blade faces the root part of a material opening, the cutting knife blade is pushed forwards along the radial direction of the material opening to rapidly cut off a locally softened material opening and is pushed forwards continuously to iron a cutting surface to finish the cutting process, the pressing ironing plate has an accurate positioning and stopping function, the condition of over cutting or non-cutting is avoided, the requirement on operators is greatly reduced, the safety of the operators in the processes of flattening and trimming the cuts is fundamentally ensured, and meanwhile, the pressing ironing plate and the cutting knife with regular sections such as a convex ball or a concave spherical surface are replaced, so that gates can be trimmed on surfaces of different types, the material port trimming device is widely applicable to material port trimming of various plastic parts, scientific and reasonable in structure, safe and convenient to use, and provides great help for people.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic side view of a cutting and trimming device for a material port of an injection molding part according to the present invention;

FIG. 2 is a schematic front view of a cutting and trimming device for a material port of an injection molding part according to the present invention;

FIG. 3 is the utility model relates to an injection molding material mouth surely repaiies device metal cardboard structure and indicates the plan view.

In the figure: 1. pressing ironing board, 2, adjusting rod, 3, metal cardboard, 4, big nut, 5, insulation support, 6, lid behind the handle, 7, handle front shell, 8, cement resistance, 9, heating panel, 10, line ball board, 11, power cord, 12, sheath, 13, self-tapping screw, 14, rocker switch, 15, ground screw, 16, cutting knife, 17, heater strip, 18, set screw, 19, ground screw, 20, ceramic terminal.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the utility model provides a device for cutting and repairing injection molding material opening: a cutting and repairing device for a material port of an injection molding part comprises a handle front shell 7, a handle rear cover 6 is fixedly arranged on the back of the handle front shell 7, an adjusting rod 2 penetrates through a through hole in the middle of the handle rear cover 6, big nuts 4 are arranged at the upper end and the lower end of the joint of the handle rear cover 6 and the adjusting rod 2 for fastening, a positioning screw 18 is fixedly arranged in the through hole in the back of the handle rear cover 6 for fixing the adjusting rod 2, a pressing ironing plate 1 is fixedly arranged at the top end of the adjusting rod 2, a metal clamping plate 3 is connected between the upper pressing ironing plate 1 in the adjusting rod 2 and the handle rear cover 6 through threads, a cutting knife 16 is fixedly connected above the metal clamping plate 3, a heating wire 17 is fixedly packaged at the top end of a sharp top end of the cutting knife 16, ceramic binding posts 20 are fixedly arranged at the positive and negative ends of the heating wire 17, a rocker switch 14 is, 7 bottom round holes internal fixation of shell before the handle is equipped with sheath 12, the inboard chucking of sheath 12 passes the 11 lines of power cord bodies, 11 live wires of power cord pass through binding post plug-in connection rocker switch 14 middle part contact, 14 lower part contacts of rocker switch are fixed and have been welded cement resistance 8, the fixed heating panel 9 that is equipped with in the 8 backs of cement resistance, the fixed 7 inner walls of shell before the handle of locating in the 9 backs of heating panel, the 14 upper portion contacts of cement resistance other end fixed connection rocker switch, 11 earth connection terminal lantern rings of power cord use ground screw 15 fixed locate on

metal cardboard

3, 11 middle parts of power cord and the outer fixed cover in lower part have insulating

sleeve

5, 11 live wires of power cord and zero line upwards pass metal cardboard 3 fixed connection ceramic.

The utility model discloses, preferred, 11 plugs of power cord are single-phase two poles of the earth connection plugs, and 11 upper ends of power cord get into live wire and zero line part in 3 holes of metal cardboard and above, and insulating skin outside cover has the fine sleeve pipe of the temperature resistant glass, adjusts pole 2 and is the polyimide material, presses ironing board 1 for metal material surface chromium plating, and sheath 12 is the silicon rubber material, and insulating sleeve 5 is the PVC material.

The utility model discloses, preferred, rocker switch 14 is three grades of tape indicator switches, 7 draw-in grooves of lower part both sides elastic plastic cassette fastening handle front shell, and rocker switch 14 openly has the work pilot lamp, and 14 upper ends of rocker switch are pressed down for opening high fever shelves, and the lower extreme is pressed down for opening low fever shelves, stops at the middle part for the power off state.

The utility model discloses, preferred, the internal thread has been attacked in the local both ends about the 6 through-holes of lid behind the handle, adjusts the pole 2 and attacks with 6 interior screw-thread fit departments of lid behind the handle and have the external screw thread.

The utility model discloses, preferred, lid 6 materials behind 7 and the handle of shell before the handle are engineering plastic, and 6 marginal buckles of lid combine behind 7 and the handle of shell before the handle to use self-tapping screw 13 to fasten.

The utility model discloses, preferred, 16 lower parts of cutting knife cylinder interference connect imbed in the 3 constant head tanks of metal cardboard.

The specific principle is as follows: before use, the big nut 4 is loosened, the adjusting rod 2 is rotated, the relative position of the metal clamping plate 3 and the adjusting rod 2 is adjusted, so that the top sharp edge of the cutting knife 16 and the top plane of the pressing ironing plate 1 are in the same plane, then the big nut 4 is screwed, when in use, the handle of the hand-held device is turned on, the rocker switch 14 is powered on, the pressing ironing plate 1 is pushed against the plastic part reserved surface after preheating for several seconds, the sharp blade opening part of the cutting knife 16 faces the root part of the material opening and is pushed forward along the radial direction of the material opening to rapidly cut off the locally softened material opening and is pushed forward continuously, the pressing ironing plate 1 irons the cut surface to finish the cutting and repairing process, and because the pressing ironing plate has the accurate positioning and stopping function, the cut is flat and smooth and cannot be cut or uncleaned, the requirement on operators is greatly reduced, the safety of the operators in the trimming process is fundamentally ensured, the structure is scientific and reasonable, the use is safe and convenient, and great help is provided for people.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A cutting and repairing device for a material port of an injection molding part comprises a handle front shell (7) and is characterized in that a handle rear cover (6) is fixedly arranged on the back face of the handle front shell (7), an adjusting rod (2) penetrates through a through hole in the middle of the handle rear cover (6), big nuts (4) are arranged at the upper end and the lower end of the joint of the handle rear cover (6) and the adjusting rod (2) for fastening, a positioning screw (18) is fixedly arranged in the through hole in the back face of the handle rear cover (6) for fixing the adjusting rod (2), a pressing ironing plate (1) is fixedly arranged at the top end of the adjusting rod (2), a metal clamping plate (3) is in threaded connection between the pressing ironing plate (1) and the handle rear cover (6) at the middle-upper part of the adjusting rod (2), a cutting knife (16) is fixedly connected at the front upper part of the metal clamping plate (3), a heating wire (17) is fixed at the pointed, a rocker switch (14) is fixedly buckled in a square groove at the lower part of the front surface of the front handle shell (7), a tapping screw (13) penetrates through a wire pressing plate (10) to fixedly press a power wire (11) line body at the inner side of the lower part of the front handle shell (7), a sheath (12) is fixedly arranged in a round hole at the bottom end of the front handle shell (7), the inner side of the sheath (12) is tightly clamped and penetrates through the power wire (11) line body, a live wire of the power wire (11) is connected with a contact piece in the middle of the rocker switch (14) in an inserting manner through a wiring terminal, a cement resistor (8) is fixedly welded on the contact piece at the lower part of the rocker switch (14), a heat dissipation plate (9) is fixedly arranged at the back surface of the cement resistor (8), the back surface of the heat dissipation plate (9) is fixedly arranged on the inner wall of the front handle shell (7), the other end of the cement resistor (8) is fixedly connected with a contact, the insulating sleeves (5) are fixedly sleeved on the outer layers of the middle part and the lower part of the power line (11), and the live wire and the zero wire of the power line (11) upwards penetrate through the metal clamping plates (3) and are respectively and fixedly connected with the ceramic binding posts (20).

2. The cutting and repairing device for the material port of the injection molding part according to claim 1, wherein a plug of the power line (11) is a single-phase two-pole grounding plug, a live wire part and a zero wire part which are arranged at the upper end of the power line (11) and enter a hole of the metal clamping plate (3) and above are arranged, a temperature-resistant glass fiber sleeve is sleeved outside an insulating skin, the adjusting rod (2) is made of polyimide, the pressing ironing plate (1) is made of metal material and is chrome-plated, the sheath (12) is made of silicon rubber, and the insulating sleeve (5) is made of PVC material.

3. A material port trimming device for injection molding parts according to claim 1, characterized in that the rocker switch (14) is a three-gear switch with an indicator light, the elastic plastic clamping bands at two sides of the lower part are fastened with the clamping grooves of the front shell (7) of the handle, and the front surface of the rocker switch (14) is provided with a working indicator light.

4. A cutting and repairing device for a material port of an injection molding part according to claim 1, characterized in that internal threads are partially tapped at the upper end and the lower end of a through hole of the handle rear cover (6), and external threads are tapped at the matching position of the internal threads of the adjusting rod (2) and the handle rear cover (6).

5. A material port trimming device for injection molding parts according to claim 1, characterized in that the front handle shell (7) and the rear handle cover (6) are made of engineering plastics, and the front handle shell (7) and the rear handle cover (6) are in edge snap-fit connection and are fastened by using self-tapping screws (13).

6. A material port trimming device for injection-molded parts according to claim 1, characterized in that the lower cylinder of the cutting knife (16) is inserted into the positioning groove of the metal clamping plate (3) in an interference fit manner.