CN217319137U - Injection molding machine capable of increasing injection speed - Google Patents

Abstract

The utility model discloses an injection molding machine capable of improving injection speed, which comprises a base mold clamping mechanism, wherein the mold clamping mechanism comprises a head plate, a second plate and an ejection oil cylinder, the head plate and the second plate are arranged oppositely, the ejection oil cylinder is fixedly connected on the second plate, the ejection oil cylinder can push the second plate to move, the mold clamping mechanism further comprises a first directional valve and a second directional valve, the first directional valve is arranged on a rear upright post of a tail plate of the base, the first directional valve is connected with a mold locking oil cylinder, the second directional valve is fixedly arranged on the side surface of the head plate, and the second directional valve is communicated with the ejection oil cylinder; the utility model discloses a divide into first direction valve and second direction valve with the direction valve, first direction valve sets up on first board, and is nearer with the ejecting hydro-cylinder distance on the first board, and the time is shorter when leading to oil for ejecting hydro-cylinder is after leading to oil quick response, has accelerated ejecting speed of ejecting hydro-cylinder.

Description

Injection molding machine capable of increasing injection speed

Technical Field

The utility model belongs to the technical field of the injection molding machine, especially, relate to an injection molding machine that can improve injection speed.

Background

An injection molding machine is a main molding device for making thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using a plastic molding die. The oil is led to through in the existing injection molding machine to make the locking mechanism of injection molding machine carry out the compound die action, among the prior art, the crossover valve that is used for leading to oil all installs in unison on the tailboard back post of injection molding machine, because the crossover valve is far away from ejecting hydro-cylinder, this structure can cause the injection time longer, needs the rapid injection to some special moulds, is unfavorable for the mould to make.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can improve injection molding machine of injection speed aims at improving injection molding machine injection speed.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can improve injection molding machine of injection speed, includes base clamping mechanism, and clamping mechanism includes first board, two boards and ejection cylinder, and first board and two board are relative to be set up, ejection cylinder fixed connection is on two boards, and ejection cylinder can promote two board displacements, clamping mechanism still includes first direction valve and second direction valve, first direction valve is installed on the tailboard rear column of base, and first direction valve is connected with the mode locking hydro-cylinder, and second direction valve fixed mounting is in the side of first board, and the second direction valve is linked together with ejection cylinder.

Further, the injection molding machine capable of improving the injection speed is characterized in that: the side of the two plates is provided with a convex block, and a valve plate and a connecting support are additionally arranged, the connecting support is fixedly connected with the convex block, the valve plate is fixedly connected with the connecting support, and the second directional valve is fixedly connected with the valve plate.

Further, the injection molding machine capable of improving the injection speed is characterized in that: : the ejection oil cylinder is positioned in the center of the two plates, and the lug is positioned in the middle of the side edge of the two plates.

The beneficial effects of the utility model reside in that: the utility model discloses a divide into first direction valve and second direction valve with the direction valve, the first direction valve sets up on first board, and is nearer with the ejecting hydro-cylinder distance on the first board, and the time is shorter when leading to oil for ejecting hydro-cylinder is leading to quick response behind the oil, has accelerated ejecting speed of ejecting hydro-cylinder.

Drawings

FIG. 1 is a schematic overall view of an injection molding machine;

FIG. 2 is a schematic view of the internal structure of the injection molding machine;

FIG. 3 is a schematic view of the stage section;

FIG. 4 is another schematic view of FIG. 3 with the protective cover removed;

FIG. 5 is a schematic view of a screw rod and a back plate of the injection table;

FIG. 6 is a schematic view of the back plate of FIG. 5 with the shooting table removed;

FIG. 7 is a schematic view of a shaft coupling structure;

FIG. 8 is a schematic view of the connection between the second directional valve and the second plate of FIG. 2;

in the figure: 1. a barrel housing; 2. a head plate; 3. a protective cover; 4. a first shooting moving oil cylinder; 41. a shooting piston rod; 5. a second ejection moving oil cylinder; 6. a first hinge mount; 61. a first translational joint; 7. a second hinged seat; 71. a second translational joint; 8. a protective cover; 81. a slide bar; 9. A first directional valve; 10. ejecting an oil cylinder; 11. a second plate; 111. a bump; 12. a second directional valve; 13. a valve plate; 14. connecting a bracket; 15. a shooting table back plate; 16. a screw; 17. a shaft coupling; 171. a shaft coupling front section; 172. an outer ring; 172. a shaft coupling middle section; 173. a shaft coupling rear section; 18. sealing the oil cover; 19. an oil motor; 20. a first bearing; 21. a second bearing; 22. a third bearing; 221. bearing forcing nut; 23. a glue injection oil cylinder; 24. a mold locking oil cylinder; 25. and (4) shooting a front plate of the table.

Detailed Description

In order to further understand the contents, features and functions of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 8, an injection molding machine includes a base, a mold clamping mechanism and an ejection table, both the mold clamping mechanism and the ejection table are connected to the base, the mold clamping mechanism includes a head plate 2, a second plate 11 and an ejection cylinder 10, the head plate 2 and the second plate 11 are arranged oppositely, the ejection cylinder 10 is fixedly connected to the second plate 11, the ejection cylinder 11 can push the second plate 11 to move, the mold clamping mechanism further includes a first directional valve 9 and a second directional valve 12, the first directional valve 9 is installed on a rear column of the tail plate of the base, the first directional valve 9 is connected to a mold locking cylinder 24, the second directional valve 12 is fixedly installed on a side surface of the head plate 2, and the second directional valve 12 is communicated with the ejection cylinder 10.

As shown in fig. 4 and 5, the shooter part 15 includes an oil motor 19, a screw 16, a shaft coupling 17, a shooter back plate 15, a shooter front plate 25, a glue injection cylinder 23, and a barrel housing 1, the screw 16 penetrates the shooter front plate 25, a rear end portion of the screw 16 is connected to one end of the shaft coupling 17, the shooter back plate 15 is sleeved on the periphery of the shaft coupling 17, the other end of the shaft coupling 17 is connected to the oil motor 19, a front end of the screw 16 is disposed in a through hole of the head plate 2, the barrel housing 1 is disposed on a portion of the screw 16 between the head plate 2 and the shooter front plate 25, front and rear ends of the glue injection cylinder 23 are respectively inserted into the shooter front plate 25 and the shooter back plate 15, the glue injection cylinder 23 is provided with two, the two glue injection cylinders are disposed on left and right sides of the screw 16, a slide rod 8 is disposed on the head plate 2, the slide rod 8 is disposed between the head plate 2 and the shooter front plate 15, a slide block is disposed on the slide rod 8, and a protective cover 8 is additionally arranged, the protective cover and the protective cover 8 are fixedly connected with the sliding block, so that the protective cover can be displaced along the sliding rod 8, the protective cover 8 covers the periphery of the machine barrel outer cover 1, and the protective cover 8 opens or closes the through hole of the head plate 2 in the displacement process.

As shown in fig. 8, a protrusion 111 is disposed on a side surface of the second plate 11, a valve plate 13 and a connecting bracket 14 are further disposed, the connecting bracket 14 is fixedly connected to the protrusion 111, the valve plate 13 is fixedly connected to the connecting bracket 14, and the second directional valve 12 is fixedly connected to the valve plate 13. The ejection cylinder 10 is located at the center of the two plates 11, and the protrusion 111 is located at the middle of the side edge of the two plates 11.

As shown in fig. 4 and 5, the protection cover 8 includes a top plate, a left side plate and a right side plate, the left side plate and the right side plate are respectively connected to the left and right sides of the top plate, the slider 81 is connected to the bottom surface of the top plate, the protection cover 8 covers the periphery of the barrel casing 1, the top plate is located above the top surface of the barrel casing 1, the left side plate and the right side plate are respectively located on the left side surface and the right side surface of the barrel casing 1, and gaps are respectively formed between the top plate, the left side plate and the right side plate of the protection cover 9 and the top surface, the left side surface and the right side surface of the barrel casing 1. Be equipped with the hollow circular cylinder structure on the roof, be convenient for pull protection casing 8 and can regard as the inspection hole simultaneously.

Preferably, the number of the slide bars 8 is two, the two slide bars 8 are arranged in parallel, the two slide bars 8 are provided with slide blocks 81, one ends of the two slide bars 8 are fixedly connected with the head plate 2, and the other ends of the two slide bars 8 are connected with each other.

As shown in fig. 3 and 4, a first shooting movement oil cylinder 4 and a second shooting movement oil cylinder 5 are arranged between the head plate 2 and the shooting table front plate 25, the first shooting movement oil cylinder 4 and the second shooting movement oil cylinder 5 are arranged diagonally, a first hinge seat 6, a first shooting movement hinge 61, a second hinge seat 7 and a second shooting movement hinge 71 are further arranged, the first hinge seat 6, the first shooting movement hinge 61, the second hinge seat 7 and the second shooting movement hinge 71 are respectively provided with two, the two first hinge seats 6 are fixedly connected to the head plate 2, the two second hinge seats 7 are fixedly connected to the shooting table front plate 25, the two first hinge seats 6 correspond to the two second hinge seats 7 in position, the two first hinge seats 6 are arranged diagonally on the head plate 2, the two second seats 7 are arranged diagonally on the shooting table front plate 25, one end of the two first shooting movement hinges 61 is respectively connected to the two first seats 6, the other ends of the two first shooting and moving articulated joints 61 are respectively connected with piston rods of the first shooting and moving oil cylinder 4 and the second shooting and moving oil cylinder 5, one ends of the two second shooting and moving articulated joints 71 are connected with the two second articulated seats 7, and the other ends of the two second shooting and moving articulated joints 71 are respectively connected with the rear ends of the first shooting and moving oil cylinder 4 and the second shooting and moving oil cylinder 5.

As shown in fig. 4, the first hinge seat 6 is transversely connected to the head plate 2, so that the first transmission hinge 61 is transversely finely adjusted, the second hinge seat 7 is longitudinally connected to the transmission front plate 25, so that the second transmission hinge 71 is longitudinally finely adjusted, so that the first transmission cylinder 4 and the second transmission cylinder 5 are finely adjusted in the transverse direction and the longitudinal direction, the first transmission cylinder 4 and the second transmission cylinder 5 are conveniently assembled, and even after long-time use, the normal operation is not affected by the deviation. It should be noted here that the first articulated seat 6 can also be connected longitudinally to the head plate 2 and the second articulated seat 7 can be connected transversely to the shooting table front plate 25.

As shown in fig. 5 to 7, the shaft coupling 17 is inserted into the injection platform rear plate 15, the front end portion of the shaft coupling 17 exceeds the front end surface of the injection platform rear plate 15, an oil seal cover 18 is sleeved on the outer periphery of the portion of the shaft coupling 17 exceeding the injection platform front plate 15, and the oil seal cover 18 is tightly attached to the front end surface of the injection platform rear plate 15 to seal the connection portion of the shaft coupling 17 and the injection platform rear plate 15. The coupling 17 includes a coupling front section 171, a coupling middle section 172 and a coupling rear section 173, a circle of outer ring 172 is formed on the outer peripheral wall of the coupling front section 171, and the outer ring 172 is located at the rear end of the outer periphery of the coupling front section 171, the outer periphery of the coupling front section 171 and the position at the front side of the outer ring 172 are provided with the first bearing 20, the coupling middle section 172 is a platform structure, and the inner diameter of the coupling middle section 172 is gradually reduced from front to back, the coupling middle section 172 is sleeved with the second bearing 21, and the second bearing 21 is located at the front half section of the coupling middle section 172. The rear section 173 of the coupling is sleeved with a third bearing 22, and a bearing forcing nut 221 is arranged at the rear side of the third bearing 22. The first bearing 20 is a deep groove ball bearing for realizing the rotation of the coupler 17 relative to the injection platform rear plate 15, the second bearing is a plane thrust ball bearing for increasing the rigidity of the shaft coupling 17, and the third bearing is a single-row tapered roller bearing for bearing radial and axial forces.

As can be seen from the above description, the direction valve of the present invention is divided into the first direction valve 9 and the second direction valve 12, the first direction valve 9 is disposed on the head plate 2, and is closer to the ejection cylinder 10 on the head plate 2, and the time for oil flowing is shorter, so that the ejection cylinder 10 reacts quickly after oil flowing, and the ejection speed of the ejection cylinder 10 is increased; the protective cover 8 is arranged to prevent the material body from being sprayed out during injection molding and prevent foreign matters from falling into the through hole of the head plate 2, the protective cover 8 slides, and when the injection molding opening needs to be checked, the injection molding opening can be checked by pulling the protective cover 8; the first hinging seat 6 and the second hinging seat 7 are arranged on the head plate 2 and the shooting table front plate 25, and the first hinging seat 6 and the second cross-connecting seat 7 are respectively arranged transversely and longitudinally, so that fine adjustment of the shooting moving oil cylinder in the transverse and longitudinal directions is realized; the shaft coupling 17 is sleeved with three bearings, so that the shaft coupling 17 can rotate relatively, the radial and axial forces of the shaft coupling 17 are shared, the rigidity of the shaft coupling 17 is improved, and the shaft coupling 17 is prevented from being broken.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims (3)

1. An injection molding machine capable of improving injection speed is characterized in that: the die clamping mechanism comprises a base die clamping mechanism, wherein the die clamping mechanism comprises a head plate, a second plate and an ejection oil cylinder, the head plate and the second plate are arranged oppositely, the ejection oil cylinder is fixedly connected onto the second plate, the ejection oil cylinder can push the second plate to move, the die clamping mechanism further comprises a first direction valve and a second direction valve, the first direction valve is installed on a rear upright post of a tail plate of the base, the first direction valve is connected with a die locking oil cylinder, the second direction valve is fixedly installed on the side face of the head plate, and the second direction valve is communicated with the ejection oil cylinder.

2. An injection molding machine capable of increasing injection speed according to claim 1, wherein: the side of the two plates is provided with a convex block, and a valve plate and a connecting support are additionally arranged, the connecting support is fixedly connected with the convex block, the valve plate is fixedly connected with the connecting support, and the second directional valve is fixedly connected with the valve plate.

3. An injection molding machine capable of increasing injection speed according to claim 2, wherein: the ejection oil cylinder is positioned in the center of the two plates, and the convex block is positioned in the middle of the side edge of the two plates.

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