CN112497581A

CN112497581A - Injection mold convenient to change

Info

Publication number: CN112497581A
Application number: CN202011536439.8A
Authority: CN
Inventors: 李元科
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-03-16

Abstract

The invention discloses an injection mold convenient to replace, which comprises a base, wherein four ejector rods are fixedly connected to the upper end of the base, a top plate is fixedly connected to the upper ends of the four ejector rods, two electric telescopic rods are fixedly connected to the bottom of the top plate, an installation plate is fixedly connected to the output ends of the two electric telescopic rods together, a movable mold is installed at the bottom of the installation plate and connected with the installation plate through an installation mechanism, a sliding groove is formed in the upper end of the base, a support plate is connected in the sliding groove in a sliding mode, a water tank is arranged at the upper end of the support plate, a fixed mold is arranged at the upper end of the water tank, the support plate is connected with the water tank and the fixed. The shock absorption protection device is reasonable in structure, can be used for carrying out shock absorption protection on the fixed die, is convenient for mounting and dismounting the movable die and the fixed die, is simple and convenient to operate, and saves a large amount of time.

Description

Injection mold convenient to change

Technical Field

The invention relates to the technical field of injection molds, in particular to an injection mold convenient to replace.

Background

An injection mold is a tool for producing plastic products; the injection molding is a processing method used for batch production of parts with complex shapes, and particularly relates to a method for injecting heated and molten plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.

The application of present injection mold is very extensive, when producing plastic goods, needs to use injection mold, but current injection mold is not convenient for user's change, mainly because current mould is installed through the bolt and nut cooperation more, and the installation is dismantled comparatively inconveniently, has wasted a large amount of time when the user changes injection mold, has reduced injection mold's practicality, therefore we have designed an injection mold convenient to change and have solved above problem.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides the injection mold convenient to replace, which can be used for not only carrying out shock absorption protection on the fixed mold, but also conveniently mounting and dismounting the movable mold and the fixed mold, is simple and convenient to operate, and saves a large amount of time.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an injection mold convenient to change, includes the base, four ejector pins of upper end fixedly connected with of base, four the upper end fixedly connected with roof of ejector pin, two electric telescopic handle of bottom fixedly connected with of roof, two the common fixedly connected with mounting panel of electric telescopic handle's output, the bottom installation movable mould of mounting panel, the movable mould is connected with the mounting panel through installation mechanism, the upper end of base is equipped with the sliding tray, sliding connection has the backup pad in the sliding tray, the upper end of backup pad is equipped with the water tank, the upper end of water tank is equipped with the cover half, the backup pad is connected with water tank and cover half through two coupling mechanism, install the semiconductor refrigeration piece in the water tank, be equipped with a plurality of shock attenuation pieces between the interior bottom of sliding tray.

Preferably, installation mechanism is including fixing two installation pieces on the movable mould, run through on the mounting panel and be equipped with two mounting grooves, two the installation piece runs through two mounting grooves respectively and rather than sliding connection, fixedly connected with support and two mounts on the mounting panel, two the mount is located the both sides of support, two all run through on the mount be equipped with rather than sliding connection's first bolt, two the one side that the installation piece is relative all is equipped with the draw-in groove, two first bolt extends to respectively between the draw-in groove of homonymy, two equal first spring of fixedly connected with between the mount of first bolt and homonymy, two first spring all overlaps on relative first bolt, be equipped with actuating mechanism between support and two first bolts.

Preferably, the driving mechanism comprises a roller arranged on the support, the roller is respectively and fixedly connected with the two first bolts through two pull ropes, a twisting block is arranged on the outer wall of the support, and the twisting block is coaxially and fixedly connected with the roller.

Preferably, coupling mechanism is including fixing the montant in the backup pad, the montant runs through the water tank and rather than sliding connection, the below of cover half is equipped with the spread groove, the montant extends to in the spread groove, one side of cover half is equipped with the recess, sliding connection has the second bolt in the recess, the second bolt runs through the cover half and rather than sliding connection, the second bolt extends to in the spread groove, be equipped with the spacing groove on the montant, the second bolt extends to the spacing inslot, fixedly connected with second spring between second bolt and the recess.

Preferably, the one side fixedly connected with handle that second bolt and second spring carried on the back mutually, the outer wall cover of handle is equipped with the rubber sleeve.

Preferably, the upper end of the opposite surface of the vertical rod and the second bolt is provided with a first inclined surface, the lower end of the opposite end of the second bolt and the vertical rod is provided with a second inclined surface, and the first inclined surface is matched with the second inclined surface.

Preferably, the water tank is provided with an installation through groove in a vertically penetrating manner, and the vertical rod penetrates through the installation through groove and is in sliding connection with the installation through groove.

Preferably, the damping member is including fixing the cavity pole at the bottom in the sliding tray, cavity in being equipped with in the cavity pole, sliding connection has the guide bar in the cavity, the upper end of guide bar and the bottom fixed connection of backup pad, fixedly connected with third spring between the interior bottom of guide bar and cavity, the outside cover of guide bar is equipped with the fourth spring, the upper and lower end of fourth spring respectively with the upper end fixed connection of backup pad and cavity pole.

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

1. the movable mould offsets with the cover half, under the effect of third spring and fourth spring, can cushion the effort when movable mould and cover half offset to can carry out shock attenuation protection to movable mould and cover half, make it difficult impaired.

2. The twisting block rotates to drive the roller to rotate, so that the two pull ropes can be wound, the two pull ropes can be wound to pull the two first bolts to move relatively, the two first bolts can be separated from the clamping grooves, the mounting block is not limited any more, the movable die can be dismounted, and the operation is simple and convenient; during the installation, with above-mentioned operation, rotate promptly and turn round the piece, then run through the mounting groove with the installation piece, loosen and turn round the piece, under the effect of first spring, in two first bolts inserted the draw-in groove, so realize the installation, just do simple and convenient and swift.

3. The staff can carry on the back and stimulate two handles mutually to can realize that second bolt moves back to back, and then make it break away from the spacing inslot, so the montant no longer by spacingly, the staff can the rebound cover half, thereby can break away from montant and water tank with the cover half, can dismantle the change to it, the rebound water tank this moment also can be dismantled the water tank, the convenience is overhauld it and is changed, so one-step operation can be dismantled water tank and cover half simultaneously, and is simple and convenient.

In conclusion, the shock absorption protection device is reasonable in structure, can be used for shock absorption protection of the fixed die, is convenient for mounting and dismounting the movable die and the fixed die, is simple and convenient to operate, and saves a large amount of time.

Drawings

FIG. 1 is a schematic structural diagram of an injection mold of the present invention, which is easy to replace;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

FIG. 4 is a schematic structural diagram of a shock absorbing member of an injection mold, which is convenient to replace according to the present invention.

In the figure: 1 base, 2 ejector pins, 3 roof, 4 electric telescopic handle, 5 mounting panels, 6 movable mould, 7 stationary moulds, 8 water tanks, 9 handles, 10 semiconductor refrigeration pieces, 11 sliding chutes, 12 shock-absorbing members, 13 supporting seats, 14 mounting grooves, 15 mounting blocks, 16 clamping grooves, 17 fixed frames, 18 first bolts, 19 first springs, 20 pull ropes, 21 second bolts, 22 rollers, 23 supports, 24, 25 twist blocks, 26 supporting plates, 27 hollow rods, 28 hollow cavities, 29 third springs, 30 guide rods, 31 fourth springs, 32 grooves, 33 second springs, 34 mounting through grooves, 35 vertical rods, 36 connecting grooves, 37 limiting grooves.

Detailed Description

The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-4, an injection mold convenient to replace comprises a base 1, wherein four supporting seats 13 are fixedly connected to the bottom of the base 1, and can stably support the base 1; four ejector pins 2 of upper end fixedly connected with of base 1, the upper end fixedly connected with roof 3 of four ejector pins 2, two electric telescopic handle 4 of the bottom fixedly connected with of roof 3, the common fixedly connected with mounting panel 5 of output of two electric telescopic handle 4, the movable mould 6 is installed to the bottom of mounting panel 5.

The movable mould 6 is connected with the mounting panel 5 through the installation mechanism, installation mechanism is including fixing two installation pieces 15 on movable mould 6, it is equipped with two mounting grooves 14 to run through on the mounting panel 5, two installation pieces 15 run through two mounting grooves 14 respectively and rather than sliding connection, fixedly connected with support 23 and two mount 17 on the mounting panel 5, two mount 17 are located the both sides of support 23, all run through on two mount 17 be equipped with rather than sliding connection's first bolt 18, the one side that two installation pieces 15 are relative all is equipped with draw-in groove 16, two first bolts 18 extend to between the draw-in groove 16 of homonymy respectively, equal first spring 19 of fixedly connected with between two first bolts 18 and the mount 17 of homonymy, two first spring 19 all overlap on relative first bolt 18, thereby can be in the same place installation piece 15 and mounting panel 5 are installed together.

Be equipped with actuating mechanism between support 23 and two first bolts 18, actuating mechanism is including installing gyro wheel 22 on support 23, gyro wheel 22 respectively with two first bolts 18 fixed connection through two stay cords 20, the piece 25 is turned round to the outer wall of support 23 installation, turn round piece 25 and the coaxial fixed connection of gyro wheel 22, manual rotation turns round piece 25 and can drive the rotation of gyro wheel 22, thereby can two stay cords 20 of rolling, and then can realize two first bolts 18 relative movement, thereby realize that first bolt 18 breaks away from draw-in groove 16, the convenience is dismantled movable mould 6.

The upper end of the base 1 is provided with a sliding groove 11, a supporting plate 26 is connected in the sliding groove 11 in a sliding manner, the upper end of the supporting plate 26 is provided with a water tank 8, the upper end of the water tank 8 is provided with a fixed die 7, the supporting plate 26 is connected with the water tank 8 and the fixed die 7 through two connecting mechanisms, each connecting mechanism comprises a vertical rod 35 fixed on the supporting plate 26, the vertical rod 35 penetrates through the water tank 8 and is connected with the same in a sliding manner, an installation through groove 34 is formed in the water tank 8 in a vertically penetrating manner, and the; a connecting groove 36 is arranged below the fixed die 7, a vertical rod 35 extends into the connecting groove 36, a groove 32 is arranged on one side of the fixed die 7, a second bolt 21 is connected in the groove 32 in a sliding manner, the second bolt 21 penetrates through the fixed die 7 and is connected with the fixed die in a sliding manner, the second bolt 21 extends into the connecting groove 36, a limiting groove 37 is arranged on the vertical rod 35, the second bolt 21 extends into the limiting groove 37, and a second spring 33 is fixedly connected between the second bolt 21 and the groove 32; one side fixedly connected with handle 9 that second bolt 21 carried on the back with second spring 33 mutually, the outer wall cover of handle 9 is equipped with the rubber sleeve.

The upper end of the opposite surface of the vertical rod 35 and the second bolt 21 is provided with a first inclined surface, the lower end of the opposite end of the second bolt 21 and the vertical rod 35 is provided with a second inclined surface, the first inclined surface is matched with the second inclined surface, and the vertical rod 35 is convenient to install by arranging the first inclined surface and the second inclined surface.

A semiconductor refrigerating sheet 10 is arranged in the water tank 8, a proper amount of water is contained in the water tank 8, and the water can be refrigerated through the semiconductor refrigerating sheet 10, so that the fixed die 7 can be cooled; be equipped with a plurality of damper 12 between the interior bottom of sliding tray 11 and backup pad 26, damper 12 is including fixing the cavity pole 27 of bottom in sliding tray 11, be equipped with well cavity 28 in the cavity pole 27, sliding connection has guide bar 30 in well cavity 28, the upper end of guide bar 30 and the bottom fixed connection of backup pad 26, fixedly connected with third spring 29 between the interior bottom of guide bar 30 and well cavity 28, the outside cover of guide bar 30 is equipped with fourth spring 31, the upper and lower end of fourth spring 31 respectively with backup pad 26 and the upper end fixed connection of hollow bar 27.

In the invention, when the electric telescopic rod 4 drives the mounting plate 5 and the movable die 6 to move downwards, the movable die 6 abuts against the fixed die 7, and under the action of the third spring 29 and the fourth spring 31, the acting force of the movable die 6 abutting against the fixed die 7 can be buffered, so that the movable die 6 and the fixed die 7 can be protected by shock absorption, and are not easy to damage;

when the movable die 6 needs to be replaced, an operator can manually rotate the twisting block 25, the twisting block 25 rotates to drive the roller 22 to rotate, so that the two pull ropes 20 can be wound, the two pull ropes 20 can be wound to pull the two first bolts 18 to move relatively, the two first bolts 18 can be separated from the clamping grooves 16, the mounting block 15 is not limited any more, the movable die 6 can be detached, and the operation is simple and convenient; during installation, the operation is the same as the operation, namely the twisting block 25 is rotated, then the installation block 15 penetrates through the installation groove 14, the twisting block 25 is loosened, and the two first bolts 18 are inserted into the clamping grooves 16 under the action of the first spring 19, so that installation is realized;

when the fixed die 7 is disassembled, the worker can pull the two handles 9 back to back, so that the second bolt 21 can move back to back, and further the second bolt can be separated from the limiting groove 37, the vertical rod 35 is not limited any more, the worker can move the fixed die 7 upwards, so that the fixed die 7 can be separated from the vertical rod 35 and the water tank 8, the fixed die can be disassembled and replaced, the water tank 8 is moved upwards at the moment, and the water tank 8 can also be disassembled, so that the fixed die 7 can be conveniently overhauled and replaced;

during the installation, the staff installs water tank 8 on montant 35 at first, montant 35 runs through installation through groove 34 and sets up promptly, then the staff puts cover half 7 on water tank 8, and montant 35 extends to in spread groove 36, first inclined plane offsets with the second inclined plane this moment, then second bolt 21 is outside sliding under the spacing on first inclined plane, so can install montant 35 in spread groove 36, when second bolt 21 meets with spacing groove 37, under the effect of second spring 33, second bolt 21 inserts the spacing inslot 37, realize the installation.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The injection mold convenient to replace comprises a base (1) and is characterized in that four ejector rods (2) and four ejector rods (2) are fixedly connected to the upper end of the base (1), a top plate (3) is fixedly connected to the upper end of each ejector rod (2), two electric telescopic rods (4) are fixedly connected to the bottom of each top plate (3), two mounting plates (5) are fixedly connected to the output ends of the electric telescopic rods (4) together, a movable mold (6) is mounted at the bottom of each mounting plate (5), the movable mold (6) is connected with the mounting plates (5) through a mounting mechanism, a sliding groove (11) is formed in the upper end of the base (1), a supporting plate (26) is connected in the sliding groove (11) in a sliding mode, a water tank (8) is arranged at the upper end of the supporting plate (26), a fixed mold (7) is arranged at the upper end of the water tank (8), and the supporting, the semiconductor refrigerating sheet (10) is installed in the water tank (8), and a plurality of shock absorbing pieces (12) are arranged between the inner bottom of the sliding groove (11) and the supporting plate (26).

2. The injection mold convenient to replace as claimed in claim 1, wherein the mounting mechanism comprises two mounting blocks (15) fixed on the movable mold (6), the mounting plate (5) is provided with two mounting slots (14) in a penetrating manner, the two mounting blocks (15) are respectively provided with two mounting slots (14) in a penetrating manner and slidably connected with the two mounting slots, the mounting plate (5) is fixedly connected with a bracket (23) and two fixing frames (17), the two fixing frames (17) are located at two sides of the bracket (23), the two fixing frames (17) are respectively provided with first bolts (18) in a penetrating manner and slidably connected with the two fixing frames, one surfaces of the two mounting blocks (15) opposite to each other are respectively provided with a clamping slot (16), the two first bolts (18) respectively extend between the clamping slots (16) at the same side, and first springs (19) are respectively fixedly connected between the two first bolts (18) and the fixing frames (17) at the same side, the two first springs (19) are sleeved on the opposite first bolts (18), and a driving mechanism is arranged between the support (23) and the two first bolts (18).

3. An injection mould convenient for replacement according to claim 2, wherein the driving mechanism comprises a roller (22) mounted on a bracket (23), the roller (22) is fixedly connected with two first bolts (18) through two pull ropes (20), a twisting block (25) is mounted on the outer wall of the bracket (23), and the twisting block (25) is coaxially and fixedly connected with the roller (22).

4. An injection mould facilitating replacement according to claim 1, characterised in that the connection means comprise a vertical bar (35) fixed to the support plate (26), the vertical rod (35) penetrates through the water tank (8) and is connected with the water tank in a sliding way, a connecting groove (36) is arranged below the fixed die (7), the vertical rod (35) extends into the connecting groove (36), one side of the fixed die (7) is provided with a groove (32), a second bolt (21) is connected in the groove (32) in a sliding way, the second bolt (21) penetrates through the fixed die (7) and is connected with the fixed die in a sliding way, the second bolt (21) extends into the connecting groove (36), the vertical rod (35) is provided with a limit groove (37), the second bolt (21) extends into the limiting groove (37), and a second spring (33) is fixedly connected between the second bolt (21) and the groove (32).

5. An injection mold convenient to replace as claimed in claim 4, wherein a handle (9) is fixedly connected to the side of the second bolt (21) opposite to the second spring (33), and a rubber sleeve is sleeved on the outer wall of the handle (9).

6. An easily replaceable injection mold as claimed in claim 5, wherein the upper end of the opposite side of the vertical rod (35) to the second pin (21) is provided with a first inclined surface, the lower end of the opposite side of the second pin (21) to the vertical rod (35) is provided with a second inclined surface, and the first inclined surface and the second inclined surface are matched.

7. An injection mould convenient to replace as claimed in claim 6, wherein the water tank (8) is provided with a mounting through groove (34) extending up and down, and the vertical rod (35) extends through the mounting through groove (34) and is slidably connected with the mounting through groove.

8. The injection mold convenient to change of claim 1, characterized in that, damper (12) is including fixing the cavity pole (27) of bottom in sliding tray (11), be equipped with well cavity (28) in well cavity pole (27), sliding connection has guide bar (30) in well cavity (28), the upper end of guide bar (30) and the bottom fixed connection of backup pad (26), fixedly connected with third spring (29) between the interior bottom of guide bar (30) and well cavity (28), the outside cover of guide bar (30) is equipped with fourth spring (31), the upper and lower end of fourth spring (31) respectively with the upper end fixed connection of backup pad (26) and well cavity pole (27).