CN213766913U

CN213766913U - Injection molding machine capable of improving heating efficiency

Info

Publication number: CN213766913U
Application number: CN202022634967.9U
Authority: CN
Inventors: 吴三韦
Original assignee: Courage Mould Plastic Suzhou Co ltd
Current assignee: Courage Mould Plastic Suzhou Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-07-23
Anticipated expiration: 2030-11-13

Abstract

The utility model relates to an improve injection molding machine of heating efficiency relates to the field of plastic manufacturing technology, and it includes the injection molding machine body and installs the hopper on the injection molding machine body, one side pin joint that the injection molding machine body was kept away from to the hopper has the apron that is used for the lid to close the hopper, be fixed with the heating rod that is used for heating the raw materials on the apron, be provided with the locking subassembly that is used for locking the apron on the hopper. This application has the effect that improves the heating efficiency of raw materials in the hopper, shortens the processing cycle of injection molding machine.

Description

Injection molding machine capable of improving heating efficiency

Technical Field

The application relates to the field of plastic manufacturing technology, in particular to an injection molding machine capable of improving heating efficiency.

Background

An injection molding machine, also known as an injection molding machine or an injection molding machine, is a main molding device for molding thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold, and is the most common device in the plastic industry.

In the related art, for example, chinese patent publication No. CN105459323A discloses an injection molding machine for improving heating efficiency, which includes a movable injection mold, an injection molding mechanism, and an operation table, wherein the movable injection mold and the injection molding mechanism are disposed on the operation table, and the injection molding mechanism is located behind the movable injection mold; the injection molding mechanism comprises a screw rod heater, a screw rod, a hopper, a servo motor and a screw rod movement driving mechanism, wherein a cavity is formed inside the screw rod heater, the screw rod is arranged in the screw rod heater, the hopper is arranged above the screw rod heater, and an outlet of the hopper is communicated with the inner cavity of the screw rod heater.

In view of the above-mentioned related art, the inventor believes that the raw material in the hopper is heated by the screw heater, the raw material on the upper layer of the hopper is not heated, and it takes a lot of time to heat the raw material on the upper side after entering the screw heater, so that the heating efficiency is low, and there is room for improvement.

SUMMERY OF THE UTILITY MODEL

In order to improve the heating efficiency of raw materials in the hopper, shorten the processing cycle of injection molding machine, this application provides an injection molding machine who improves heating efficiency.

The application provides a pair of improve injection molding machine of heating efficiency adopts following technical scheme:

the utility model provides an improve injection molding machine of heating efficiency, includes the injection molding machine body and installs the hopper on the injection molding machine body, the one side pin joint that the injection molding machine body was kept away from to the hopper has the apron that is used for the lid to close the hopper, be fixed with the heating rod that is used for heating the raw materials on the apron, be provided with the locking subassembly that is used for locking the apron on the hopper.

Through adopting above-mentioned technical scheme, the apron is fixed on the hopper through the mode of pin joint, the heating rod is fixed on the apron, the heating rod rotates with the apron is synchronous, the apron lid closes on the hopper and locks through the locking subassembly, the heating rod is inserted into the raw materials of hopper and is heated the raw materials on hopper upper strata, the heating rod preheats the raw materials, thereby reduce the raw materials on upper strata and get into the time of heating in the screw heater, improve the heating efficiency of raw materials in the hopper, shorten the processing cycle of injection molding machine.

Optionally, the locking assembly comprises a fixing plate arranged on the side wall of the hopper, a rotating bolt arranged on the fixing plate, a limiting strip rotatably connected to the rotating bolt, and a rotating plate arranged on the side wall of the cover plate, wherein a limiting hole for the limiting strip to penetrate through is formed in the rotating plate.

Through adopting above-mentioned technical scheme, rotate the bolt fastening on the fixed plate, spacing wearing to establish spacing on rotating the bolt, the apron lid is fashionable, and spacing hole on the rotor plate supplies spacing to wear to establish, and spacing wears to establish spacing hole after takes place to rotate, realizes the locking of spacing to the rotor plate.

Optionally, a countersunk groove for mounting the rotating bolt is formed in the limiting strip, a bearing is sleeved on the rotating bolt, and the bearing is located in the countersunk groove.

Through adopting above-mentioned technical scheme, the countersunk groove on the spacing supplies to rotate the bolt and wears to establish and install, and the bearing of countersunk groove is located and rotates between bolt and the spacing, and the bearing can reduce the frictional force of spacing on rotating the bolt, makes things convenient for the rotation of spacing.

Optionally, be provided with the base that is used for fixed heating rod between heating rod and the apron, offer on the apron and supply base male insertion groove, be provided with the limiting plate of contradicting with the apron on the base.

Through adopting above-mentioned technical scheme, the heating rod passes through the base to be fixed on the apron, and in the insertion groove on the base inserted the apron, the limiting plate was spacing to the inserted position of base to the position of spacing heating rod in the hopper.

Optionally, one side of the base, which is close to the heating rod, is provided with a slide bar, the cover plate is provided with a sliding groove for sliding the slide bar, and the sliding groove is communicated with the insertion groove.

Through adopting above-mentioned technical scheme, the base is at the in-process that inserts the apron, and the draw runner on the base slides in the spout on the apron, and the draw runner is injectd the mounted position of base on the apron, reduces the relative rotation of base and heating rod on the apron.

Optionally, one side of the slide bar close to the cover plate is fixed with a ball plunger, a mounting groove for mounting the ball plunger is formed in the slide bar, a clamping groove for clamping and fixing the ball plunger is formed in the cover plate, and the clamping groove is communicated with the sliding groove.

Through adopting above-mentioned technical scheme, the back that slides on the apron of draw runner, during the joint groove of bulb plunger on the draw runner inserted on the apron, realized the preliminary fixed of base and apron, mounting groove on the draw runner provides the space for the installation of bulb plunger.

Optionally, one side of the cover plate close to the limiting plate is provided with an elastic clamping hook for fixing the limiting plate, and a clamping hook groove for clamping and fixing the elastic clamping hook is formed in the limiting plate.

Through adopting above-mentioned technical scheme, the limiting plate is contradicted on the apron, and the elasticity trip joint on the apron is fixed in the trip groove on the limiting plate, and the apron realizes the locking to the limiting plate through the elasticity trip to reduce the removal of base and heating rod on the apron.

Optionally, one side of the limiting plate close to the cover plate is provided with a positioning column for inserting and positioning, and the cover plate is provided with a positioning hole for inserting the positioning column.

Through adopting above-mentioned technical scheme, when the limiting plate was close to the apron, the locating hole on the apron was inserted to the reference column on the limiting plate, and the reference column is injectd the mounted position of limiting plate on the apron, and the reference column can reduce the rotation of base on the apron.

Optionally, a gasket is arranged on one side of the positioning column close to the cover plate, and the gasket is located in the positioning hole.

Through adopting above-mentioned technical scheme, the gasket on the reference column keeps apart reference column and apron, and the gasket can cushion the apron and to the impact force of reference column, better protection reference column.

Optionally, a butterfly bolt for locking the cover plate is arranged on the limit plate.

Through adopting above-mentioned technical scheme, the butterfly bolt on the limiting plate has strengthened the locking of limiting plate and apron, makes base and heating rod can be stable fixed on the apron, and the butterfly bolt makes things convenient for the bare-handed operation of staff, and the practicality is strong.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the heating rod is fixed on the cover plate, and is inserted into the hopper and preheats the raw materials, so that the time for the upper layer of the raw materials to enter the screw heater for heating is shortened, the heating efficiency of the raw materials in the hopper is improved, and the processing period of the injection molding machine is shortened;

2. the sliding strip on the base slides in the sliding groove on the cover plate, the sliding strip limits the mounting position of the base on the cover plate, and the relative rotation of the base and the heating rod on the cover plate is reduced;

3. the bearing can reduce the frictional force of spacing on rotating the bolt, makes things convenient for the rotation of spacing.

Drawings

FIG. 1 is a schematic structural view of an injection molding machine according to an embodiment of the present application.

Fig. 2 is an exploded view of the hopper, cover plate, locking assembly and base in an embodiment of the present application.

FIG. 3 is a schematic view showing the installation of the cover plate, the hopper and the heating rod in the embodiment of the present application.

Fig. 4 is an exploded view illustrating the base, the limiting plate and the cover plate according to the embodiment of the present application.

Fig. 5 is an exploded schematic view of the base, the limiting plate and the cover plate in the embodiment of the present application.

Description of reference numerals: 1. an injection molding machine body; 2. a hopper; 3. a cover plate; 4. a base; 5. a heating rod; 6. inserting the groove; 7. a limiting plate; 8. a locking assembly; 9. a fixing plate; 10. rotating the bolt; 11. a limiting strip; 12. a rotating plate; 13. a limiting hole; 14. a countersunk groove; 15. a bearing; 16. a slide bar; 17. a chute; 18. a ball plunger; 19. mounting grooves; 20. a clamping groove; 21. an elastic clamping hook; 22. a hook groove; 23. a positioning column; 24. positioning holes; 25. a gasket; 27. a butterfly bolt; 28. rotating the block; 29. a fixed block; 30. and rotating the shaft.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses an injection molding machine capable of improving heating efficiency. Referring to fig. 1, a hopper 2 is fixed on an injection molding machine body 1, raw materials to be processed are put in the hopper 2, and a spiral heater is fixed below the hopper 2. One side pin joint lid that injection molding machine body 1 was kept away from to hopper 2 has closed apron 3, and one side that hopper 2 was kept away from to apron 3 is fixed with base 4, is provided with locking Assembly 8 between apron 3 and the hopper 2.

Referring to fig. 2, the locking assembly 8 includes a fixed plate 9, a rotation bolt 10, a stopper bar 11, and a rotation plate 12. The fixing plate 9 is fixed on the side wall of the hopper 2 through bolts, and the fixing plate 9 is positioned on one side of the hopper 2 far away from the pin joint. The rotating bolt 10 is in threaded rotation on one side, away from the side wall of the hopper 2, of the fixing plate 9, and the limiting strip 11 is sleeved on the rotating bolt 10 and rotates by taking the rotating bolt 10 as an axis. One end of the rotating plate 12 is pivoted on the side wall of the cover plate 3, a limiting hole 13 is formed in the rotating plate 12, and the length of the limiting hole 13 is greater than that of the limiting strip 11. When the cover plate 3 covers the hopper 2, the rotating plate 12 is rotated to cover the rotating plate 12 on the fixing plate 9, the limiting strip 11 on the fixing plate 9 penetrates through the limiting hole 13 on the rotating plate 12, and the limiting strip 11 is rotated to realize the locking of the cover plate 3 and the hopper 2.

The limiting strip 11 is provided with a countersunk groove 14, the rotating bolt 10 is installed in the countersunk groove 14, and the rotating bolt 10 and the limiting strip 11 are in the same plane after being installed. The rotating bolt 10 is sleeved with a bearing 15, the bearing 15 is located in the countersunk head groove 14 of the limiting strip 11, and the bearing 15 can reduce friction of the limiting strip 11 when the rotating bolt 10 rotates.

Referring to fig. 3, a rotating block 28 is fixed on one side of the cover plate 3 through a bolt, a fixing block 29 is fixed on one side of the hopper 2 close to the cover plate 3 through a bolt, a rotating shaft 30 penetrates through the rotating block 28, and the rotating shaft 30 is pivoted with the fixing block 29 to rotate, so that the cover plate 3 and the rotating block 28 are pivoted.

One side of base 4 near hopper 2 is fixed with heating rod 5, and heating rod 5 rotates with the synchronous pin joint of apron 3, and the length of heating rod 5 is less than the height of hopper 2. One side that base 4 keeps away from heating rod 5 is connected with the electric wire, and the electric wire is for heating rod 5 power supply in order to realize the heating, and heating rod 5 inserts in the raw materials of hopper 2, preheats the raw materials on hopper 2 upper strata.

The base 4 is arranged through the cover plate 3, and an insertion groove 6 for inserting the base 4 is arranged on the cover plate 3. Integrated into one piece has limiting plate 7 on base 4, and limiting plate 7 contradicts in the one side that hopper 2 was kept away from to apron 3, and the apron 3 is worn to establish by a part of base 4 this moment, and another part of base 4 is located apron 3 and keeps away from one side of hopper 2. The cross section of the limiting plate 7 is square, and the side length of the square is greater than the length of the base 4, so that the distance of inserting the base 4 into the cover plate 3 is limited.

Referring to fig. 4 and 5, the base 4 is integrally provided with a slide bar 16, and the slide bar 16 is symmetrically arranged with the heating rod 5 as an axis. The cross section of the slide bar 16 is isosceles trapezoid, and the upper edge of the isosceles trapezoid is close to the base 4. The cover plate 3 is provided with sliding grooves 17, the sliding grooves 17 correspond to the sliding grooves 17 one by one, and the sliding grooves 17 are communicated with the insertion grooves 6. The slide bar 16 of the base 4 slides in the slide groove 17 on the cover plate 3, so that the base 4 is positioned on the cover plate 3.

A ball plunger 18 is fixed on one side of the slide bar 16 close to the cover plate 3, the ball plunger 18 is located on one side of the slide bar 16 far away from the heating rod 5, a mounting groove 19 is formed in the slide bar 16, the mounting groove 19 is communicated with the outside, and the ball plunger 18 is fixed in the mounting groove 19 in a glue bonding mode. The cover plate 3 is provided with a clamping groove 20, the clamping groove 20 corresponds to the ball plunger 18 one by one, and when the limiting plate 7 on the base 4 abuts against the cover plate 3, the ball plunger 18 is clamped and fixed in the clamping groove 20.

One side of the limiting plate 7 close to the cover plate 3 is integrally formed with positioning columns 23, the positioning columns 23 are symmetrically arranged by taking the heating rod 5 as an axis, the positioning columns 23 are cylindrical and protrude towards one side of the cover plate 3, and a connecting line between the two positioning columns 23 is perpendicular to a connecting line between the two sliding strips 16. The cover plate 3 is provided with positioning holes 24, the positioning holes 24 correspond to the positioning columns 23 one by one, and the positioning columns 23 are inserted into the positioning holes 24 to limit the position of the base 4 on the cover plate 3, so that the movement of the base 4 and the limiting plate 7 on the cover plate 3 is reduced. A gasket 25 is fixed on one side of the positioning column 23 close to the cover plate 3, the gasket 25 is adhered to the positioning column 23 through glue, the gasket 25 and the positioning column 23 are synchronously inserted into the positioning hole 24, and the gasket 25 abuts against the cover plate 3.

The cover plate 3 is integrally provided with four elastic hooks 21, and the number of the elastic hooks 21 is four. The limiting plate 7 is provided with a hook groove 22 on one side away from the cover plate 3, the hook groove 22 corresponds to the elastic hook 21 one by one, and the hook grooves 22 are respectively arranged on two sides of the limiting plate 7 in pairs, so that the base 4 is more stably fixed on the cover plate 3. Butterfly bolts 27 penetrate through the limiting plates 7, and the butterfly bolts 27 are in threaded fit with the cover plate 3 to enhance the fixing strength of the base 4 and the cover plate 3.

The implementation principle of the injection molding machine for improving the heating efficiency is as follows: heating rod 5 is fixed on apron 3 through base 4 and limiting plate 7, one side of apron 3 and the pin joint of one side of hopper 2, heating rod 5 rotates with the synchronous pin joint of apron 3, when apron 3 lid closes on hopper 2, heating rod 5 inserts in the raw materials on 2 upper strata of hopper, apron 3 keeps away from one side of pin joint and hopper 2 and passes through locking Assembly 8 locking, insert the socket with electric wire and plug on base 4, heating rod 5 preheats the raw materials, improve the heating efficiency of raw materials in the hopper 2, the processing cycle of injection molding machine shortening.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an improve injection molding machine of heating efficiency, includes injection molding machine body (1) and installs hopper (2) on injection molding machine body (1), its characterized in that: one side pin joint that injection molding machine body (1) was kept away from in hopper (2) has apron (3) that are used for covering to close hopper (2), be fixed with heating rod (5) that are used for heating the raw materials on apron (3), be provided with locking Assembly (8) that are used for locking apron (3) on hopper (2).

2. An injection molding machine with improved heating efficiency as claimed in claim 1, wherein: locking Assembly (8) including set up fixed plate (9) on the lateral wall of hopper (2), set up rotation bolt (10) on fixed plate (9), rotate spacing (11) of connecting on rotation bolt (10) and set up rotor plate (12) on the lateral wall of apron (3), set up spacing hole (13) that supply spacing (11) to wear to establish on rotor plate (12).

3. An injection molding machine with improved heating efficiency as claimed in claim 2, wherein: the limiting strip (11) is provided with a countersunk groove (14) for mounting the rotating bolt (10), the rotating bolt (10) is sleeved with a bearing (15), and the bearing (15) is positioned in the countersunk groove (14).

4. An injection molding machine with improved heating efficiency as claimed in claim 1, wherein: be provided with base (4) that are used for fixed heating rod (5) between heating rod (5) and apron (3), offer on apron (3) and supply base (4) male insertion groove (6), be provided with limiting plate (7) of contradicting with apron (3) on base (4).

5. An injection molding machine with improved heating efficiency as claimed in claim 4, wherein: one side of the base (4) close to the heating rod (5) is provided with a sliding strip (16), a sliding groove (17) for the sliding strip (16) to slide is formed in the cover plate (3), and the sliding groove (17) is communicated with the insertion groove (6).

6. An injection molding machine with improved heating efficiency as claimed in claim 5, wherein: one side that draw runner (16) is close to apron (3) is fixed with bulb plunger (18), set up mounting groove (19) that supply bulb plunger (18) to install on draw runner (16), set up on apron (3) and supply fixed joint groove (20) of bulb plunger (18) joint, joint groove (20) and spout (17) communicate each other.

7. An injection molding machine with improved heating efficiency as claimed in claim 4, wherein: one side of the cover plate (3) close to the limiting plate (7) is provided with an elastic clamping hook (21) for fixing the limiting plate (7), and a clamping hook groove (22) for clamping and fixing the elastic clamping hook (21) is formed in the limiting plate (7).

8. An injection molding machine with improved heating efficiency as claimed in claim 4, wherein: one side of the limiting plate (7) close to the cover plate (3) is provided with a positioning column (23) which is inserted for positioning, and the cover plate (3) is provided with a positioning hole (24) for inserting the positioning column (23).

9. An injection molding machine having an improved heating efficiency as claimed in claim 8, wherein: and a gasket (25) is arranged on one side of the positioning column (23) close to the cover plate (3), and the gasket (25) is positioned in the positioning hole (24).

10. An injection molding machine with improved heating efficiency as claimed in claim 4, wherein: and butterfly bolts (27) used for locking the cover plate (3) are arranged on the limiting plates (7).