TWI622481B - Two-color injection machine with adjustable injection tube spacing - Google Patents

Abstract

The utility model relates to a two-color injection machine with adjustable injection pipe spacing, which comprises two horizontally arranged injection units. The bottoms of the two injection units are respectively provided with adjustment portions, and the two adjustment portions are respectively connected to the machine table to adjust the two injection units. a horizontal spacing between the two injection pipes; a fixed template is provided with a replaceable movable plate, and the movable plate is provided with two first circular positioning holes with spaces for the two injection pipes to pass through respectively And a movable plate is movably coupled to a rotating disk, and the rotating disk is provided with two second circular positioning holes, and any corresponding first and second circular positioning holes are located on the same axis. In this way, different sizes of molds can be used on the same two-color injection machine by replacing the movable plate, rotating the disk and adjusting the distance between the two injection pipes.

Description

Two-color injection machine with adjustable injection tube spacing

The invention relates to a two-color injection machine with adjustable injection pipe spacing, in particular to a mold capable of using different specifications on the same two-color injection machine to effectively reduce the mold cost.

At present, the common two-color injection machine is mainly composed of a machine table, a clamping module and two horizontally arranged injection units. The clamping assembly comprises a fixed template and a movable template. The fixed template is provided with two horizontal and spaced first circular positioning holes, so that the injection tubes of the two injection units can be separately movably worn. After that, plastics of different colors or materials are respectively injected into the master mold attached to the fixed template through the two discharge ports. The movable template is connected to a rotating disc, and the rotating disc is provided with two horizontal and spaced second circular positioning holes, and the two second circular positioning holes respectively correspond to the two first circular positioning holes, and The corresponding second circular positioning holes of any one group are located on the same axis as the first circular positioning holes, thereby connecting one or two male molds engageable with the female mold on the rotating disk.

After the corresponding male mold and the female mold are joined to perform one shot, the mold is rotated by 180 degrees to change the position of the male mold, and the male mold and the female mold are clamped again to perform secondary injection. In order to make two-color or two-material goods. Among them, the two-color mold often connects the male mold and the female mold to the rotating disc and the fixed template in the form of a continuous phantom due to the need of a complicated structural product.

However, limited by the spacing between the two sets of the first circular positioning holes and the second circular positioning holes, the distance between the injection tubes of the two injection units must be fixed, and connected to the rotating disk and The specifications of the phantoms on the fixed stencil are also limited. Therefore, the dies that are used in different two-color ejector are often not interchangeable due to the different specifications, which not only increases the cost of the mold, but also does not meet the economic benefits.

In view of the above, in order to provide a structure different from the conventional technology and to improve the above disadvantages, the inventors have accumulated many years of experience and continuous development and improvement, and the present invention has been produced.

An object of the present invention is to provide a horizontal spacing between two first circular positioning holes on a fixed template, two second circular positioning holes on a rotating disk, and two injection units, and one set The two-color injection machine with the first circular positioning hole, the second circular positioning hole and the injection tube of the injection unit on the same axis can adjust the spacing of the tube and the two-color injection machine used by different two-color injection machines. It is not possible to exchange the use of the problem, but can use different specifications of the phantom on the same two-color injection machine to effectively reduce the cost of the mold.

For the purpose of the above, the two-color injection machine of the adjustable injection tube spacing of the present invention comprises a machine table, two horizontally disposed injection units and a clamping module. The injection unit has an injection tube, and the clamping unit comprises a fixed template and a movable template. The main technical feature is that the two injection units comprise a first injection unit and a second injection unit, and the first injection unit The bottom of the unit has a first base, the bottom of the first base is provided with a first adjusting portion; the bottom of the second projecting unit has a second base, and the bottom of the second base is provided with a second adjusting portion, a first adjusting portion and a second The adjustment unit is respectively connected to the machine for adjusting the horizontal spacing between the injection tube of the first injection unit and the injection tube of the second injection unit; the fixed template is provided with a replaceable movable plate, and the movable plate is provided with two a first circular positioning hole having a space for two ejection tubes of the two injection units to be movably respectively passed; and the movable template is movably coupled to a rotation The disk has two second circular positioning holes with a spacing on the rotating disk, and the two second circular positioning holes respectively correspond to the two first circular positioning holes, and the corresponding second circular positioning of any one of the groups The hole is on the same axis as the first circular locating hole.

When implemented, the machine is provided with a first baffle and a second baffle which are parallel to each other, one side of the first base abuts against the first baffle, and one side of the second base abuts against the second baffle, and An adjusting portion and a second adjusting portion are respectively coupled to the top of the machine frame in a movable locking manner for adjusting a horizontal spacing between the first base and the second base.

When implemented, the fixing template is provided with a positioning hole, and the outer circumference of the movable plate has the same shape and shape as the inner circumference of the positioning hole.

In order to further understand the present invention, the specific embodiments of the present invention and the effects achieved thereby are described in detail below with reference to the drawings and drawings.

1‧‧‧Two-color injection machine with adjustable injection tube spacing

2‧‧‧ machine

21‧‧‧First baffle

22‧‧‧First long strip hole

23‧‧‧Second baffle

24‧‧‧Second long strip hole

3‧‧‧First injection unit

31‧‧‧First base

32, 32’, 42, 42’ ‧ ‧ flat

33, 43‧‧‧ perforation

34, 44‧‧‧ screws

35‧‧‧First Adjustment Department

36, 46‧‧‧ shot tube

4‧‧‧Second injection unit

41‧‧‧Second base

45‧‧‧Second Adjustment Department

5‧‧‧Fixed template

51‧‧‧ activity board

52‧‧‧Positioning holes

53‧‧‧First circular positioning hole

6‧‧‧ Activity template

61‧‧‧ rotating disk

62‧‧‧Second circular positioning hole

9, 9' ‧ ‧ gasket

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a front elevational view of a preferred embodiment of the invention.

Figure 2 is a top plan view of a preferred embodiment of the invention.

Fig. 3 is a cross-sectional view taken along line a-a' of Fig. 2.

Fig. 4 is a cross-sectional view taken along line b-b' of Fig. 2.

Figure 5 is a diagram showing the state of use of the preferred embodiment of the present invention.

The two-color injection machine of the present invention comprises a machine table, two injection units and a clamping module. The two injection units are horizontally disposed on one side of the upper side of the machine table, and any of the injection units has a cylindrical injection material tube, and a front end of the injection material tube has a nozzle for emitting plastic; the clamping unit includes A fixed template and a movable template are disposed on one side of the upper part of the machine, and the fixed template is located between the movable template and the two injection units.

Please refer to FIG. 1 to FIG. 4 , which is a preferred embodiment of the two-color injection machine 1 for arranging the adjustable discharge tube spacing, wherein the machine 2 is provided with a first baffle 21 and two parallel plates. a first elongated hole 22, a second baffle 23 and two parallel second elongated holes 24, the first baffle 21 and the second baffle 23 are two vertical plates parallel to each other, any The first elongated hole 22 and the second elongated hole 24 are substantially in the same straight line, and the two first elongated holes 22 are generally perpendicular to the first baffle 21, and the two second elongated holes 24 are summarized. The second baffle 23 is vertical.

The two injection units include a first injection unit 3 and a second injection unit 4. The bottom of the first injection unit 3 has a first base 31, and one side of the first base 31 presses against the first shutter 21, A bottom plate (32, 32') extends horizontally forwardly and rearwardly from the bottom of the first base 31. The two flat plates (32, 32') are respectively provided with a plurality of perforations 33 for respectively passing through a plurality of screws 34. After the perforation 33 and the two first elongated holes 22, the horizontal position of the first injection unit 3 is fixed, the two flat plates (32, 32'), the screws 34 and the two first elongated holes 22 The first adjustment unit 35 is combined. In the implementation, the two first elongated holes 22 can also be inverted T-shaped grooves, respectively, and the horizontal position of the first injection unit 3 can also be fixed.

The bottom of the second injection unit 4 has a second base 41. One side of the second base 41 presses against the second baffle 23. The bottom of the second base 41 extends horizontally forward and backward with a flat plate (42, 42'). The two flat plates (42, 42') are respectively provided with a plurality of through holes 43 for respectively fixing the second injection unit 4 after the plurality of screws 44 pass through the through holes 43 and the two second elongated holes 24 respectively. In the horizontal position, the two flat plates (42, 42'), the screws 44 and the two second elongated holes 24 are combined into a second adjusting portion 45. When implemented, the two second elongated holes 24 can also be inverted T-shaped grooves, respectively. The horizontal position of the second ejection unit 4 can be fixed.

The fixed template 5 is provided with a replaceable movable plate 51. The fixed template 5 is provided with a positioning hole 52. The inner circumference of the positioning hole 52 has the same shape and shape as the outer circumference of the movable plate 51. The movable plate 51 is provided with two spaced first circular positioning holes 53 for the two injection pipes (36, 46) of the two injection units (3, 4) to be movably passed through.

The movable template 6 is coupled to a rotating disk 61, and the rotating disk 61 is movably removed from the movable template 6. The rotating disk 61 is provided with two spaced apart second circular positioning holes 62. The two second circular positioning holes 62 respectively correspond to the two first circular positioning holes 53 of the movable plate 51, and any one of the groups corresponds to The second circular positioning hole 62 is located on the same axis as the first circular positioning hole 53.

Thereby, when one side of the first base 31 of the first injection unit 3 presses against the first baffle 21, one side of the second base 41 of the second injection unit 4 presses against the second baffle 23, and locks the first When the screws (34, 44) of the adjusting portion 35 and the second adjusting portion 45 are fixed, the horizontal interval between the injection tube 36 of the first injection unit 3 and the injection tube 46 of the second injection unit 4 can be fixed. Two sets of corresponding injection pipes (36, 46), a first circular positioning hole 53 and a second circular positioning hole 62 are respectively located on the same axis to use a mold of one specification.

As shown in the second and fifth figures, the screws (34, 44) of the first adjusting portion 35 and the second adjusting portion 45 are respectively released, and are respectively placed on the first base by the spacers (9, 9'). 31 between the first baffle 21 and the second baffle 23, the ejecting pipe 36 of the first ejecting unit 3 and the ejecting pipe 46 of the second ejecting unit 4 are The horizontal spacing between the two is increased. At the same time, the movable plate 51 on the fixed template 5 is replaced, and the rotating plate 61 on the movable template 6 is replaced, so that two sets of corresponding injection tubes (36, 46), first circular positioning holes 53 and The two circular positioning holes 62 are respectively located on the same axis to perform two-color or two-material injection using different specifications of the mold.

Therefore, the present invention has the following advantages: the present invention can adjust the distance between the two injection units by replacing the movable plate, the rotating plate, and simultaneously adjust the two first circular positioning holes on the fixed template and the two on the rotating plate. a second circular positioning hole and a horizontal spacing of the two injection units, and the first circular positioning hole, the second circular positioning hole and the injection tube of the injection unit are on the same axis, so Different specifications of the mold are used on the same two-color injection machine to effectively reduce the manufacturing cost of different molds.

In summary, according to the above disclosure, the present invention can achieve the intended purpose, and provides an adjustable injection tube which can facilitate the user to use different specifications of the mold on the same two-color injection machine to effectively reduce the cost. The two-color injection machine with the spacing is of great value in industrial use, and the invention patent application is filed according to law.

Claims (3)

The invention relates to a two-color injection machine with adjustable injection pipe spacing, which comprises a machine table, two horizontally arranged injection units and a clamping module, the injection unit has an injection pipe, and the clamping module comprises a fixed template. And an activity template, wherein the two injection units comprise a first injection unit and a second injection unit, the bottom of the first injection unit has a first base, and the bottom of the first base is provided with a first An adjustment portion; a second base is disposed at a bottom of the second injection unit, and a second adjustment portion is disposed at a bottom of the second base, the first adjustment portion and the second adjustment portion are respectively coupled to the machine for adjusting the a horizontal spacing between the injection tube of the first injection unit and the injection tube of the second injection unit; the fixed template is provided with a replaceable movable plate, and the movable plate is provided with two spaced spaces a circular positioning hole for the two injection tubes of the two injection units to be movably respectively passed through; and the movable template is movably coupled to a rotating disk, the rotating disk is provided with two spaces Second Shaped positioning hole, the two second circular positioning holes respectively correspond to the first two circular positioning holes, and the second set of any one of the first circular positioning holes corresponding to the circular positioning hole is located on the same axis. The two-color injection machine of the adjustable injection pipe spacing according to claim 1, wherein the machine is provided with one first baffle and one second baffle parallel to each other, one of the first bases. The first baffle is pressed against the first baffle, and the second baffle is pressed against the second baffle, and the first adjusting portion and the second adjusting portion are respectively connected to the top of the machine in a movable locking manner. And adjusting a horizontal spacing between the first base and the second base. The two-color injection machine of the adjustable injection pipe spacing according to the first aspect of the invention, wherein the fixing template is provided with a positioning hole, the shape of the outer periphery of the movable plate and the shape of the inner circumference of the positioning hole. The same size.