CN112848078A

CN112848078A - Horizontal processing fixture for injection head plate of injection molding machine

Info

Publication number: CN112848078A
Application number: CN202110021522.XA
Authority: CN
Inventors: 余伴
Original assignee: Nanjing Jianggaosheng Trading Co ltd
Current assignee: Xie Jianjia
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-05-28

Abstract

The invention discloses a horizontal processing fixture for an injection head plate of an injection molding machine, which structurally comprises the injection head plate, a linking seat, a fixture and an injection head hole, wherein the upper side of the injection head plate is welded and connected with the lower side of the linking seat, the middle part of the linking seat is connected with the lower end shaft of the fixture, the injection head hole is fixedly connected with the middle part of the injection head plate in an embedding way, a regulating screw rod draws the distance between a buffer chuck and a cooling support column, a main body block inside the buffer chuck presses a movable chuck through an elastic sheet when the regulating screw rod clamps a mold, then, the movable chuck is sealed and buffered through a compression gasket, the buffering capacity of the fixture is improved, the fixture is prevented from being pulled by the thermal expansion effect of the mold, the tension borne by the fixture is reduced, the main body block moves downwards to compress the air borne by a compression cavity at the upper end of the column, and then the air is compressed and is extruded from a connecting pipe of an air blowing pipe, the temperature rising speed is slowed down, and a gap is prevented from being formed between the injection head plate 1 and the die.

Description

Horizontal processing fixture for injection head plate of injection molding machine

Technical Field

The invention belongs to the field of injection molding and glue injection equipment, and particularly relates to a horizontal machining clamp for a glue injection head plate of an injection molding machine.

Background

The horizontal injection molding machine is a mold which can lead the mold to automatically drop through ejection, the melt is extruded from a glue barrel through extrusion in the injection molding process, the space inside the mold is filled, the glue injection head plate for injecting the glue and the mold main body are fixed through a clamp to the glue injection head, but the melt is required to be heated in the injection molding process by the glue injection head plate, the melt is prevented from being cooled in the extrusion process, the temperature of the mold can be raised while the melt is heated, meanwhile, because the contact area between the mold and the clamp is small, the clamp can be tensioned after the mold is heated to generate weak expansion, the length of the clamp is lengthened, the deformation of a clamp adjusting nut can be caused, the temperature on the surface of the mold can be transmitted to the clamp along with the increase of the injection molding time, the length of the clamp can be extended under the influence of thermal expansion, and the metal fatigue of the clamp is increased, meanwhile, a narrow gap is formed between the injection head plate and the mold, a melt can enter the gap to be solidified to form burrs, the injection molding amount of the runner is reduced, and the injection molding amount is difficult to control.

Disclosure of Invention

In order to solve the problems that the length of the clamp is elongated, the clamp forms tension after the mold is heated to generate weak expansion, the clamp adjusting nut is deformed, the temperature on the surface of the mold is transmitted to the clamp along with the increase of injection molding time, the length of the clamp is extended under the influence of thermal expansion, and the metal fatigue of the clamp is increased, the invention provides the clamp for horizontally processing the injection head plate of the injection molding machine.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an injection molding machine penetrates horizontal processing of rubber head board and uses anchor clamps, its structure is including penetrating rubber head board, linking seat, anchor clamps, penetrating rubber head hole, penetrate rubber head board upside and link up seat downside welded connection, link up seat middle part and anchor clamps lower extreme hub connection, penetrate rubber head hole and penetrate rubber head board middle part and inlay solid and be connected, anchor clamps include adjusting screw, buffering dop, cooling pillar, adjusting screw lower extreme and buffering dop upper end threaded connection, buffering dop lower extreme and cooling pillar upper end are laminated mutually, cooling pillar lower extreme and link up seat middle part hub connection.

As a further improvement of the invention, the buffer chuck comprises a main body block, a movable clamping block, elastic sheets and compression washers, wherein the lower end of the main body block is in clearance fit with the inner side of the upper end of the cooling support, the movable clamping block is in clearance fit with the inner side of the upper end of the main body block, the elastic sheets are fixedly connected with the lower sides of the movable clamping blocks in an embedded manner, the compression washers are attached to the lower sides of the outer ends of the main body block, the number of the elastic sheets is six, and the elastic sheets are distributed in a bilateral symmetry manner.

As a further improvement of the invention, the movable clamping block comprises a fixed frame, a flexible block and six balls, wherein the outer side of the fixed frame is in clearance fit with the inner side of the main body block, the flexible block is fixedly embedded and connected with the inner side of the fixed frame, the balls are in rolling fit with the inner part of the flexible block, and the balls are distributed in the fixed frame in a bilateral symmetry manner.

As a further improvement of the invention, the cooling strut comprises a connecting shaft, a bearing column, a compression cavity, a threaded hole and an air blowing pipe, wherein the outer side of the connecting shaft is fixedly connected with the lower end of the bearing column in an embedded manner, the upper side of the bearing column is in clearance fit with the lower side of the buffer chuck, the compression cavity is fixedly connected with the inner side of the bearing column in an embedded manner, the threaded hole is fixedly connected with the lower end of the bearing column in an embedded manner, the air blowing pipe is fixedly connected with the lower side of the left end of the compression cavity in an embedded manner, the compression cavity is internally provided with a hollow structure, and the size.

As a further improvement of the invention, the air blowing pipe comprises a connecting pipe, a fixed block and dispersion holes, the right end of the connecting pipe is fixedly embedded and connected with the lower side of the left end of the compression cavity, the right end of the fixed block is welded and connected with the left end of the connecting pipe, the dispersion holes are in interference fit with the inner side of the fixed block, and the left end of each dispersion hole is trapezoidal and is distributed in a direction that the left end is wide and the right end is narrow.

As a further improvement of the invention, the dispersion hole comprises a spring, a blocking block and a partition plate, the spring is welded and connected with the outer side of the blocking block, the blocking block is connected with a middle shaft of the fixed block, the partition plate is fixedly embedded and connected with the inner side of the fixed block, the blocking block is made of rubber, the rubber-made dispersion hole has the characteristics of good sealing performance and wear resistance, and is installed in a triangular inverted manner.

Advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

1. adjusting screw will cushion the distance between dop and the cooling pillar and draw closely, carries out the block to the mould, cushions the inside main part piece of fixture block and supports through the shell fragment to pressing the activity fixture block when adjusting screw presss from both sides tightly the mould, seals and cushions through the compression packing ring afterwards, has improved the buffer capacity of anchor clamps, has prevented that anchor clamps from being dragged by the thermal expansion effect of mould, has reduced the tension that anchor clamps received.

2. The main part piece removes downwards, will bear the inside air of post upper end compression chamber and compress, and the air receives the compression later and extrudees the inside dispersion hole of fixed block from the connecting pipe of gas blow pipe and blows off to the outside, has slowed down the speed that the temperature rises, prevents to appear between penetrating head board 1 and the mould dividing the gap.

Drawings

FIG. 1 is a schematic structural view of a horizontal machining fixture for a plastic injection head plate of an injection molding machine.

Fig. 2 is a schematic perspective view of a clamp according to the present invention.

Fig. 3 is a front view of a half-section structure of a buffer chuck according to the present invention.

Fig. 4 is a front view and a half-section structural diagram of a movable clamping block of the present invention.

FIG. 5 is a front view of a half-section structure of a cooling pillar according to the present invention.

FIG. 6 is a schematic view of a front view of a half-section of an insufflation tube of the present invention.

FIG. 7 is a front view of a half-section structure of a dispersion hole of the present invention.

In the figure: the device comprises an injection head plate-1, a joint seat-2, a clamp-3, an injection head hole-4, an adjusting screw rod-31, a buffer chuck-32, a cooling support column-33, a main body block-321, a movable fixture block-322, a spring plate-323, a compression gasket-324, a fixing frame-22 a, a toughness block-22 b, a ball-22 c, a connecting shaft-331, a bearing column-332, a compression cavity-333, a threaded hole-334, an air blowing pipe-335, a connecting pipe-35 a, a fixing block-35 b, a dispersion hole-35 c, a spring-c 1, a blocking block-c 2 and a partition plate-c 3.

Detailed Description

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

example 1:

as shown in figures 1 to 4:

the invention provides a horizontal processing fixture for an injection head plate of an injection molding machine, which structurally comprises an injection head plate 1, a linking seat 2, a fixture 3 and an injection head hole 4, wherein the upper side of the injection head plate 1 is connected with the lower side of the linking seat 2 in a welding manner, the middle part of the linking seat 2 is connected with a lower end shaft of the fixture 3, the injection head hole 4 is fixedly embedded and connected with the middle part of the injection head plate 1, the fixture 3 comprises an adjusting screw 31, a buffer chuck 32 and a cooling support pillar 33, the lower end of the adjusting screw 31 is in threaded connection with the upper end of the buffer chuck 32, the lower end of the buffer chuck 32 is attached to the upper end of the cooling support pillar 33, and the lower end of the cooling support pillar 33 is connected with the middle.

The buffer chuck 32 comprises a main body block 321, a movable fixture block 322, an elastic sheet 323 and a compression washer 324, the lower end of the main body block 321 is in clearance fit with the inner side of the upper end of the cooling strut 33, the movable fixture block 322 is in clearance fit with the inner side of the upper end of the main body block 321, the elastic sheet 323 is fixedly connected with the lower side of the movable fixture block 322 in an embedded manner, the compression washer 324 is attached to the lower side of the outer end of the main body block 321, the number of the elastic sheets 323 is six, and the movable fixture block 322 is distributed in a bilateral symmetry manner by taking the movable fixture block 322 as the center, so that the elastic sheet 323 can upwards press the movable fixture block 322 against the top of the main body block 321, and the.

Wherein, activity fixture block 322 includes fixed frame 22a, toughness piece 22b, ball 22c, the inboard clearance fit of fixed frame 22a outside and main part piece 321, toughness piece 22b is connected with the inboard embedded solid of fixed frame 22a, ball 22c and the inside roll cooperation of toughness piece 22b, ball 22c quantity is six to be bilateral symmetry distribution inside fixed frame 22a for adjusting screw 31 can form the roll cooperation inside ball 22c, has improved the compactness of being connected between to the mould and the injection head board 1.

The specific use mode and function of the embodiment are as follows:

in the invention, the injection head plate 1 is fixed on the upper side of a mould through a clamp 3 above a joint seat 2, then an injection head is embedded into the mould through an injection head hole 4 for injection moulding, when the injection head plate 1 is fixed on the upper side of the mould, the clamp 3 is buckled on the upper side of the mould, then the distance between a buffer chuck 32 and a cooling support column 33 is drawn close through an adjusting screw 31, the mould is clamped, when the mould is clamped by the adjusting screw 31, a main body block 321 in the buffer chuck 32 presses a movable chuck 322 through an elastic sheet 323, meanwhile, the lower end of the main body block 321 is embedded into the upper end of the cooling support column 33, then sealing and buffering are carried out through a compression gasket 324, when the adjusting screw 31 is rotated, a toughness block 22b in a fixed frame 22a pushes a ball 22c to be contacted with the adjusting screw 31, the adjusting screw 31 is fixed, the buffering capacity of the clamp 3 is improved, and the clamp 3 is prevented from being, the tension to which the clamp 3 is subjected is reduced.

Example 2:

as shown in fig. 5 to 7:

wherein, cooling pillar 33 includes connecting axle 331, bears post 332, compression chamber 333, screw hole 334, gas blow pipe 335, the connecting axle 331 outside with bear post 332 lower extreme built-in connection, bear post 332 upside and cushion chuck 32 downside clearance fit, compression chamber 333 with bear the inboard built-in connection of post 332, screw hole 334 with bear post 332 lower extreme built-in connection, gas blow pipe 335 and compression chamber 333 left end downside built-in connection, the inside hollow structure that is of compression chamber 333 to the size of hollow structure is the same with the size of cushion chuck 32 lower extreme, can compress the inside air in compression chamber 333 when making cushion chuck 32 move down, has increased the inside air circulation rate of anchor clamps 3, has reduced the inside temperature of anchor clamps 3.

Wherein, gas blow pipe 335 includes connecting pipe 35a, fixed block 35b, dispersion hole 35c, connecting pipe 35a right-hand member is connected with compression chamber 333 left end downside is embedded solid, fixed block 35b right-hand member and connecting pipe 35a left end welded connection, dispersion hole 35c and the inboard interference fit of fixed block 35b, dispersion hole 35c left end shape is trapezoidal to be the narrow direction distribution in the wide right side in a left side, make the air again by can disperse to the lower both sides after the extrusion through connecting rod 35a through dispersion hole 35c, improved the area that the air that extrudes blew out.

Wherein, dispersion hole 35c includes spring c1, hinders piece c2, division board c3, spring c1 and the outside welded connection that hinders piece c2, hinder piece c2 and fixed block 35b middle part hub connection, division board c3 is connected with the inboard embedded solid of fixed block 35b, hinder piece c2 material for the rubber material, have the good wear-resisting characteristics of leakproofness to be the triangle-shaped handstand installation, make extruded air can reduce the amount of wind that passes through the hindrance of hindering piece c2, improved the size through wind-force, slowed down the speed that the temperature rose.

The specific use mode and function of the embodiment are as follows:

in the invention, when the clamp is adjusted and rotated, the main body block 321 moves downwards while the adjusting screw 31 rotates inside the threaded hole 334, the bearing column 332 fixed by the connecting shaft 331 is simultaneously pressed, air in the compression cavity 333 at the upper end of the bearing column 332 is compressed, then the air is compressed and is extruded to the dispersing hole 35c in the fixed block 35b from the connecting pipe 35a of the blowing pipe 335 to be blown out outwards, the blocking block c2 supported by the spring c1 can extrude the air in the blowing process to prevent the air from being released prematurely, after the air reaches a certain pressure, the blocking block c2 can push the spring c1 to be compressed upwards, then the air is slowly released, and the air direction is divided into four directions through the partition plates c3, so that the area for blowing the air is increased, the speed for increasing the temperature is slowed down, and the occurrence of a separation gap between the injection glue 1 and the mould is prevented.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.

Claims

1. The utility model provides an injection molding machine penetrates horizontal processing of rubber head board and uses anchor clamps, its structure includes penetrates rubber head board (1), links up seat (2), anchor clamps (3), penetrates rubber head hole (4), penetrate rubber head board (1) upside and link up seat (2) downside welded connection, link up seat (2) middle part and anchor clamps (3) lower extreme hub connection, penetrate rubber head hole (4) and penetrate rubber head board (1) middle part and inlay solid and be connected its characterized in that:

anchor clamps (3) include adjusting screw (31), buffering dop (32), cooling pillar (33), adjusting screw (31) lower extreme and buffering dop (32) upper end threaded connection, laminating mutually on buffering dop (32) lower extreme and cooling pillar (33), cooling pillar (33) lower extreme and linking up seat (2) middle part hub connection.

2. The horizontal processing clamp for the injection head plate of the injection molding machine according to claim 1, characterized in that: the buffer clamping head (32) comprises a main body block (321), a movable clamping block (322), an elastic sheet (323) and a compression washer (324), wherein the lower end of the main body block (321) is in clearance fit with the inner side of the upper end of the cooling support column (33), the movable clamping block (322) is in clearance fit with the inner side of the upper end of the main body block (321), the elastic sheet (323) is fixedly connected with the lower side of the movable clamping block (322) in an embedded mode, and the compression washer (324) is attached to the lower side of the outer end of the main body block (321).

3. The horizontal processing clamp for the injection head plate of the injection molding machine according to claim 2, characterized in that: the movable clamping block (322) comprises a fixed frame (22a), a toughness block (22b) and a ball (22c), the outer side of the fixed frame (22a) is in clearance fit with the inner side of a main body block (321), the toughness block (22b) is fixedly embedded with the inner side of the fixed frame (22a), and the ball (22c) is in rolling fit with the inner side of the toughness block (22 b).

4. The horizontal processing clamp for the injection head plate of the injection molding machine according to claim 1, characterized in that: cooling pillar (33) include connecting axle (331), bear post (332), compression chamber (333), screw hole (334), gas blow pipe (335), the connecting axle (331) outside with bear post (332) lower extreme and inlay solid and be connected, bear post (332) upside and buffering dop (32) downside clearance fit, compression chamber (333) with bear post (332) inboard and inlay solid and be connected, screw hole (334) with bear post (332) lower extreme and inlay solid and be connected, gas blow pipe (335) with compress chamber (333) left end downside and inlay solid and be connected.

5. The horizontal processing clamp for the injection head plate of the injection molding machine according to claim 4, characterized in that: the gas blow pipe (335) is including connecting pipe (35a), fixed block (35b), dispersion hole (35c), connecting pipe (35a) right-hand member is connected with compression chamber (333) left end downside is embedded solid, fixed block (35b) right-hand member and connecting pipe (35a) left end welded connection, dispersion hole (35c) and fixed block (35b) inboard interference fit.

6. The horizontal processing clamp for the injection head plate of the injection molding machine according to claim 5, characterized in that: the dispersion hole (35c) comprises a spring (c1), a blocking block (c2) and a partition plate (c3), the spring (c1) is connected with the outer side of the blocking block (c2) in a welding mode, the blocking block (c2) is connected with the middle shaft of the fixed block (35b), and the partition plate (c3) is fixedly connected with the inner side of the fixed block (35b) in an embedding mode.