KR102218218B1 - Carriage for mold replacement - Google Patents

Abstract

The present invention relates to a height-adjustable mold exchange cart comprising: a lower body; an upper body spaced apart from the lower body in the first direction; a height adjustment unit coupled to the lower body and the upper body; and a roller unit disposed on the upper body to seat a mold, wherein the height adjustment unit comprises a hydraulic cylinder extending in the first direction, thereby moving the upper body in the first direction with respect to the lower body.

Description

Carriage for mold replacement

The present invention relates to a mold exchange cart, and more particularly, to a mold exchange cart for easy height adjustment.

The mold is a mold for molding a material, and can be used for plastic injection molding or the like. For injection molding, molten plastic can be injected into a mold at high pressure. The molten plastic can fill the mold cavity. The plastic filled in the cavity can cool and become solid.

Various molds can be applied to one injection machine. To this end, it may be necessary to replace the mold coupled to the injection machine fixed at a predetermined position. The weight of the mold can be quite large. Thus, a bogie can be used to move the mold. The height of the place where the mold will be installed can vary.

The problem to be solved by the present invention is to provide a mold exchange vehicle capable of adjusting the height.

The problem to be solved by the present invention is to provide a mold exchange table applicable to an injection machine and/or a exchange table having various heights.

The problem to be solved by the present invention is to provide a mold exchange vehicle capable of a stable mold exchange operation.

The problem to be solved by the present invention is not limited to the problems mentioned above, and other problems that are not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the problem to be solved, the mold exchange vehicle according to an embodiment of the present invention includes a lower body; An upper body spaced apart from the lower body in a first direction; A height adjustment unit coupled to the lower body and the upper body; A roller portion disposed on the upper body and on which a mold is seated; Including, the height adjustment unit may include a hydraulic cylinder extending in the first direction to move the upper body in the first direction with respect to the lower body.

In order to achieve the problem to be solved, the mold exchange cart according to an embodiment of the present invention includes the roller part: two roller fixing plates spaced apart in a direction crossing the first direction; And a plurality of rollers disposed between the two roller fixing plates. It may include.

In order to achieve the problem to be solved, the mold exchange truck according to an embodiment of the present invention further includes a wheel coupled to the lower body, and the wheel may include a wheel fixing device.

In order to achieve the problem to be solved, the mold exchange vehicle according to an embodiment of the present invention may be provided with a plurality of height adjustment units.

In order to achieve the problem to be solved, the mold exchange cart according to an embodiment of the present invention includes: an upper coupling member coupled to an upper cylinder of the hydraulic cylinder and the upper body; And a lower coupling member coupled to the lower cylinder of the hydraulic cylinder and the lower body. It may include.

In order to achieve the problem to be solved, the mold exchange cart according to an embodiment of the present invention further includes an auxiliary adjusting member extending in the first direction and coupled to the upper body and the lower body, and the auxiliary adjusting member May include an adjustment screw for moving the upper body in the first direction with respect to the lower body.

In order to achieve the problem to be solved, the mold exchange cart according to an embodiment of the present invention may include a blocking plate that prevents the mold seated on the roller part from the upper body from disengaging to the rear of the roller part. .

In order to achieve the problem to be solved, in the mold exchange cart according to an embodiment of the present invention, the upper body includes a front blocking member in front of the roller part, and the front blocking member is detachable from the frame of the upper body. It can be possible.

In order to achieve the problem to be solved, in the mold exchange vehicle according to an embodiment of the present invention, the upper body may further include a guide roller.

In order to achieve the problem to be solved, the mold exchange cart according to an embodiment of the present invention may further include a handle member coupled to the lower body.

In order to achieve the problem to be solved, the mold exchange truck according to an embodiment of the present invention may further include a control unit for controlling the hydraulic cylinder.

In order to achieve the problem to be solved, the mold exchange cart according to an embodiment of the present invention further includes a fixing part coupled to the upper body, and the fixing part may fix the upper body at a predetermined position.

In order to achieve the problem to be solved, a mold exchange vehicle according to an embodiment of the present invention may be provided.

Specific matters of other embodiments of the present invention are not limited to those mentioned above, and other matters not mentioned will be clearly understood by those skilled in the art from the following description.

According to the mold exchange vehicle of the present invention, the height can be adjusted.

According to the mold exchange table of the present invention, it may be applicable to an injection machine and/or a exchange table having various heights.

According to the mold exchange vehicle of the present invention, a stable mold exchange operation may be possible.

The effects of the present invention are not limited to the above-mentioned effects, and other effects that are not mentioned will be clearly understood by those skilled in the art from the following description.

1 is a perspective view showing a mold exchange vehicle according to exemplary embodiments of the present invention.
2 is an enlarged perspective view of a part of a mold exchange vehicle according to exemplary embodiments of the present invention.
3 is an enlarged perspective view of a part of a mold exchange vehicle according to exemplary embodiments of the present invention.
4 is an enlarged perspective view of a part of a mold exchange vehicle according to exemplary embodiments of the present invention.
5 is a perspective view showing a mold exchange vehicle according to exemplary embodiments of the present invention.
6 is an enlarged perspective view of a part of a mold exchange vehicle according to exemplary embodiments of the present invention.
7 is an enlarged perspective view of a part of a mold exchange vehicle according to exemplary embodiments of the present invention.
8 is a flow chart showing a method of moving a mold by a mold exchange vehicle according to exemplary embodiments of the present invention.
9 to 11 are perspective views sequentially showing a method of using a mold exchange vehicle according to exemplary embodiments of the present invention.

In order to fully understand the configuration and effect of the technical idea of the present invention, preferred embodiments of the technical idea of the present invention will be described with reference to the accompanying drawings. However, the technical idea of the present invention is not limited to the embodiments disclosed below, but may be implemented in various forms and various changes may be added. However, it is provided to completely disclose the technical idea of the present invention through the description of the embodiments, and to completely inform the scope of the invention to those of ordinary skill in the art to which the present invention belongs.

Parts indicated by the same reference numerals throughout the specification represent the same elements. The embodiments described in the present specification will be described with reference to a block diagram, a perspective view, and/or a cross-sectional view, which are ideal exemplary diagrams of the technical idea of the present invention. In the drawings, the thickness of the regions is exaggerated for effective description of the technical content. Accordingly, the regions illustrated in the drawings have schematic properties, and the shapes of the regions illustrated in the drawings are intended to illustrate a specific shape of a device region and are not intended to limit the scope of the invention. In various embodiments of the present specification, various terms have been used to describe various elements, but these elements should not be limited by these terms. These terms are only used to distinguish one component from another component. The embodiments described and illustrated herein also include complementary embodiments thereof.

The terms used in the present specification are for describing exemplary embodiments and are not intended to limit the present invention. In this specification, the singular form also includes the plural form unless specifically stated in the phrase. As used in the specification, "comprises" and/or "comprising" does not exclude the presence or addition of one or more other elements.

Hereinafter, the present invention will be described in detail by describing preferred embodiments of the technical idea of the present invention with reference to the accompanying drawings.

1 is a perspective view showing a mold exchange vehicle according to exemplary embodiments of the present invention.

Hereinafter, D1 of FIG. 1 is denoted by a first direction, D2 substantially perpendicular to the first direction D1 is denoted by the second direction, D3 substantially perpendicular to the first direction D1 and the second direction D2. It can be called a three-way.

Referring to FIG. 1, the mold exchange cart includes the lower body 11, the upper body 13, the first to fourth height adjustment parts 31, 33, 35, 37, and the first to fourth auxiliary adjustment members 51 , 53, 55, 57), a roller part 7, a handle member 6, and first to fourth wheels 91, 93, 95, 97.

The lower body 11 may support the entire mold exchange vehicle. The lower body 11 may include an approximately rectangular frame. In embodiments, the lower body 11 may include a first lower frame 111, a second lower frame 113, a third lower frame 115 and a fourth lower frame 117. The first lower frame 111 and the second lower frame 113 may have a rod shape extending in the third direction D3. The second lower frame 113 may be spaced apart from the first lower frame 111 in the second direction D2. The third lower frame 115 and the fourth lower frame 117 may have a rod shape extending in the second direction D2. The third lower frame 115 and the fourth lower frame 117 may connect the first lower frame 111 and the second lower frame 113. The fourth lower frame 117 may be spaced apart from the third lower frame 115 in a third direction D3.

The upper body 13 may be spaced apart from the lower body 11 in the first direction D1. The upper body 13 may include an approximately rectangular frame. In embodiments, the upper body 13 may include a first upper frame 131, a second upper frame 133, a third upper frame 135 and a fourth upper frame 137. The first upper frame 131 and the second upper frame 133 may have a rod shape extending in the third direction D3. The second upper frame 133 may be spaced apart from the first upper frame 131 in the second direction D2. The third upper frame 135 and the fourth upper frame 137 may have a rod shape extending in the second direction D2. The third upper frame 135 and the fourth upper frame 137 may connect the first upper frame 131 and the second upper frame 133. The fourth upper frame 137 may be spaced apart from the third upper frame 135 in a third direction D3.

In embodiments, the upper body 13 may further include a blocking plate 1351, a front blocking member 1371, and guide rollers 1311 and 1331. The blocking plate 1351 may be located behind the roller part 7. The blocking plate 1351 may have a plate shape extending in a first direction D1 and a second direction D2. The blocking plate 1351 may prevent the mold (M, see FIG. 9) located on the roller part 7 from being arbitrarily separated. In embodiments, a plurality of blocking plates 1351 may be provided. The plurality of blocking plates 1351 may be spaced apart from each other in the second direction D2. The front blocking member 1371 may be located in a direction opposite to the blocking plate 1351 based on the roller part 7. The front blocking member 1371 may have a cylindrical shape. The front blocking member 1371 may be detachable from the upper body 13. The front blocking member 1371 may prevent the mold located on the roller part 7 from being removed arbitrarily. In embodiments, a plurality of front blocking members 1371 may be provided. The plurality of front blocking members 1371 may be spaced apart in the second direction D2. The guide rollers 1311 and 1331 may be located outside the upper body 13. The guide roller may guide the movement of the mold located on the roller part 7. The guide roller may include a first guide roller 1311 and a second guide roller 1331. The first guide roller 1311 may be located on the first upper frame 131. The second guide roller 1331 may be located on the second upper frame 133.

Each of the first to fourth height adjustment units 31, 33, 35, and 37 may extend in the first direction D1. Each of the first to fourth height adjustment units 31, 33, 35, and 37 may connect the lower body 11 and the upper body 13 to each other. In embodiments, the first height adjustment part 31 and the second height adjustment part 33 may connect the first lower frame 111 and the first upper frame 131. The first height adjustment unit 31 and the second height adjustment unit 33 may be spaced apart from each other in a third direction D3. The third height adjustment unit 35 and the fourth height adjustment unit 37 may connect the second lower frame 113 and the second upper frame 133. The third height adjustment part 35 and the fourth height adjustment part 37 may be spaced apart from each other in the third direction D3. Each length of the first to fourth height adjustment units 31, 33, 35, and 37 may be changed. Accordingly, each of the first to fourth height adjustment units 31, 33, 35, and 37 may adjust the separation distance between the lower body 11 and the upper body 13. Details about this will be described later with reference to FIG. 2.

Each of the first to fourth auxiliary adjustment members 51, 53, 55, and 57 may extend in the first direction D1. Each of the first to fourth auxiliary adjustment members 51, 53, 55 and 57 may connect the lower body 11 and the upper body 13. In embodiments, the first auxiliary adjustment member 51 and the second auxiliary adjustment member 53 may connect the first lower frame 111 and the first upper frame 131. The first auxiliary adjusting member 51 and the second auxiliary adjusting member 53 may be spaced apart from each other in a third direction D3. The third auxiliary adjustment member 55 and the fourth auxiliary adjustment member 57 may connect the second lower frame 113 and the second upper frame 133. The third auxiliary adjusting member 55 and the fourth auxiliary adjusting member 57 may be spaced apart from each other in the third direction D3. Each length of the first to fourth auxiliary adjustment members 51, 53, 55, 57 may be changed. Accordingly, each of the first to fourth auxiliary adjustment members 51, 53, 55, and 57 may adjust the separation distance between the lower body 11 and the upper body 13. Details on this will be described later with reference to FIG. 3.

The roller part 7 may be located on the upper body 13. A mold (M, see FIG. 9) may be disposed on the roller part 7. The roller part 7 may include a roller fixing plate 71 and a roller 73. The roller fixing plate 71 may extend in the third direction D3. Two roller fixing plates 71 may be provided. Each of the two roller fixing plates 71 may be spaced apart from each other in the second direction D2. The roller 73 may be coupled to the roller fixing plate 71. The roller 73 may extend in the second direction D2. A plurality of rollers 73 may be provided. Each of the plurality of rollers 73 may be spaced apart from each other in the third direction D3.

The handle member 6 may be connected to the lower body 11. The handle member 6 may include an extension 61 and a handle 63. The extension 61 may be coupled to the lower body 11. The handle 63 may be coupled to the upper end of the extension 61. The user can hold the handle 63 and push or pull the mold exchange cart.

Each of the first to fourth wheels 91, 93, 95, and 97 may be coupled to the lower body 11. More specifically, each of the first to fourth wheels 91, 93, 95, and 97 may be coupled under the lower body 11. Each of the first to fourth wheels 91, 93, 95, and 97 supports the entire mold exchange cart, and can move the mold exchange cart. Details of the wheel will be described later with reference to FIG. 4.

2 is an enlarged perspective view of a part of a mold exchange vehicle according to exemplary embodiments of the present invention.

2, the first height adjustment unit 31 may include a hydraulic cylinder. More specifically, the first height adjustment unit 31 may include a lower cylinder 311, an upper cylinder 313, a lower coupling member 315, and an upper coupling member 317. The lower cylinder 311 and the upper cylinder 313 may constitute one hydraulic cylinder. A part of the lower cylinder 311 may be inserted into the upper cylinder 313. The lower cylinder 311 can be moved relative to the upper cylinder 313. More specifically, the lower cylinder 311 may move in the second direction D1. A control unit (not shown) may be connected to the lower cylinder 311 and the upper cylinder 313. The control unit can control the operation of the hydraulic cylinder. The lower coupling member 315 may connect the lower cylinder 311 and the lower body 11. More specifically, the lower coupling member 315 may be coupled to the first lower frame 111 to fix the first height adjustment part 31 to the lower body 11. The upper coupling member 317 may connect the upper cylinder 313 and the upper body 13. More specifically, the upper coupling member 317 may be coupled to the first upper frame 131 to fix the first height adjustment part 31 to the upper body 13. The second to fourth height adjustment units 33, 35, and 37 may also have substantially the same or similar configuration as the first height adjustment unit 31. By the first to fourth height adjustment portions 31, 33, 35, 37, the separation distance of the lower body 13 from the upper body 11 can be changed. That is, the height of the lower body 13 can be adjusted. When the hydraulic cylinder is controlled by the control unit, the first to fourth height adjustment units 31, 33, 35, and 37 can be automatically controlled. Therefore, the height of the lower body 13 can be automatically adjusted.

3 is an enlarged perspective view of a part of a mold exchange vehicle according to exemplary embodiments of the present invention.

Referring to FIG. 3, the second auxiliary adjusting member 53 includes a second auxiliary body 531, a second adjusting screw 533, a second upper connecting member 535, and a second lower connecting member 537. can do. The second auxiliary body 531 may extend in the first direction D1. The second adjustment screw 533 may be coupled on the second auxiliary body 531. The second auxiliary body 531 may include a mechanism in which the length of the second auxiliary body 531 changes when the second adjusting screw 533 rotates. Accordingly, when the second adjustment screw 533 is rotated, the length of the second auxiliary body 531 may be changed. The second upper connecting member 535 may connect the first upper frame 131 and the second auxiliary body 531. The second lower connecting member 537 may connect the first lower frame 111 and the second auxiliary body 531. The first, third and fourth auxiliary adjustment members 51, 55, and 57 may also have substantially the same or similar configuration as the second auxiliary adjustment member 53. The separation distance between the upper body 13 and the lower body 11 may be changed by the first to fourth auxiliary adjusting members 51, 53, 55 and 57. That is, the height of the upper body 13 may be changed by the first to fourth auxiliary adjusting members 51, 53, 55, 57. The approximate height of the upper body 13 is determined by the automatic control of the first to fourth height adjustment units 31, 33, 35, 37, and the first to fourth auxiliary adjustment members 51, 53, 55, 57 The precise height of the upper body 13 can be adjusted by manual manipulation of ). Fast and precise adjustment of the upper body 13 may be possible using two types of adjustment mechanisms.

4 is an enlarged perspective view of a part of a mold exchange vehicle according to exemplary embodiments of the present invention.

Referring to FIG. 4, the first wheel 91 may be fixed to the second lower frame 113 and the third lower frame 115. The first wheel 91 may be coupled to the second lower frame 113 and the third lower frame 115 by the first wheel connecting portion 913. The first wheel fixing device 911 may be coupled to the first wheel 91. The first wheel fixing device 911 may include a first fixing body 9115, a first rotation handle 9113, and a first rotation preventing member 9111. The first fixed body 9115 may be connected to the shaft of the first wheel 91. The first rotation handle 9113 may be connected to the first fixed body 9115 and the first rotation preventing member 9111. The first rotation preventing member 9111 may be rotated and moved by the first rotation handle 9113. When the first rotation preventing member 9111 contacts the first wheel 91, rotation of the first wheel 91 may be suppressed. That is, the movement of the mold exchange truck can be prevented. The second to fourth wheels 93, 95 and 97 may have substantially the same or similar configuration as the first wheel 91. The mold exchange truck can be moved by the first to fourth wheels 91, 93, 95, 97.

5 is a perspective view showing a mold exchange truck according to exemplary embodiments of the present invention, and FIG. 6 is an enlarged perspective view of a part of the mold exchange truck according to exemplary embodiments of the present invention.

Referring to FIG. 5, fixing portions 81 and 83 coupled to the upper body 13 may be further provided. The fixing part may include a first fixing part 81 and a second fixing part 83. Each of the first fixing part 81 and the second fixing part 83 may be spaced apart from each other in the second direction D2.

Referring to FIG. 6, the first fixing part 81 includes a first position fixing member 811, a first rotation member 813, a first extension rotation member 815, and a first locking member 817. I can. The first position fixing member 811 may be fixed to the second upper frame 133 and/or the fourth upper frame 137. The first rotation member 813 and the first extension rotation member 815 may rotate with respect to the first position fixing member 811. The first locking member 817 may be rotatably coupled to the first extended rotation member 815. The first locking member 817 may be coupled to an exchange table (not shown). When the first locking member 817 is coupled to the exchange table, the mold exchange table may be fixed in front of the exchange table.

7 is an enlarged perspective view of a part of a mold exchange vehicle according to exemplary embodiments of the present invention.

Referring to FIG. 7, the front blocking member 1371 may be coupled to the fourth upper frame 137. The front blocking member 1371 may include a detachable handle 1371a. When the detachable handle 1371a is rotated, the front blocking member 1371 may be detached from the fourth upper frame 137.

8 is a flow chart showing a method of moving a mold by a mold exchange vehicle according to exemplary embodiments of the present invention.

Referring to Figure 8, the mold moving method (S) is to fix the bogie using the fixing unit (S1), locking the wheels of the bogie (S2), removing the front blocking member (S3), and pushing the mold. It may include a thing (S4). Hereinafter, each step of the mold moving method (S) will be sequentially described with reference to FIGS. 9 to 11.

9 to 11 are perspective views sequentially showing a method of using a mold exchange vehicle according to exemplary embodiments of the present invention.

Referring to Figure 9, the mold (M) may be located on the mold exchange cart. The mold M may include a mold used for injection molding or the like. The mold M may need to be moved to a different position in order to be bonded to another injection machine. Fixing the bogie using the fixing portion (S1) may include fixing the mold exchange bogie in front of the exchange table (not shown) using the fixing portions 81 and 83. The term switchboard as used herein may mean a device for mounting a mold in order to couple the mold to an injection machine. More specifically, by fixing the locking members of the fixing parts 81 and 83 to the exchange table, the position of the mold exchange truck may be fixed at a predetermined position. Locking the wheels of the bogie (S2) may include locking the wheels of the mold changing bogie whose position is specified. More specifically, the rotation preventing member may be brought into contact with the wheel by turning the rotation handle of the wheel. When the rotation preventing member contacts the wheel, rotation of the wheel can be prevented.

In embodiments, the method of moving the mold may further include adjusting the height of the upper body 13. That is, as described above, the approximate height of the upper body 13 is determined by the automatic control of the first to fourth height adjustment units 31, 33, 35, 37, and the first to fourth auxiliary adjustment members 51 , 53, 55, 57) can be precisely adjusted in height of the upper body 13 by manual operation. In this way, the height of the upper body 13 can be adjusted so that the mold M can be moved onto the exchange table.

Referring to FIG. 10, detaching the front blocking member (S3) may include rotating the detachable handle of the front blocking member. By rotating the detachable handle, the front blocking member can be separated from the upper body.

Referring to FIG. 11, pushing the mold (S4) may include pushing the mold (M) in the third direction (D3). The mold (M) by rotation of the roller 73 of the roller part 7 Can be easily moved. In addition, the moving direction of the mold M may be guided by the guide rollers 1311 and 1331. The mold (M) can be moved onto the exchange table.

According to the mold exchange cart according to exemplary embodiments of the present invention, the height at which the mold is located can be adjusted. Therefore, it is possible to move the mold to various exchange tables by using one mold exchange table. In addition, since the height adjustment operation can be automatically controlled by the control unit, the convenience of operation can be improved. In addition, precise height control may also be possible by the auxiliary adjusting member.

In the above, embodiments of the present invention have been described with reference to the accompanying drawings, but those of ordinary skill in the art to which the present invention pertains can be implemented in other specific forms without changing the technical spirit or essential features. You can understand that there is. Therefore, it should be understood that the embodiments described above are illustrative in all respects and are not limiting.

Claims (12)

Lower body;
An upper body spaced apart from the lower body in a first direction;
A height adjustment unit coupled to the lower body and the upper body;
A roller portion disposed on the upper body to seat a mold; And
An auxiliary adjusting member extending in the first direction and coupled to the upper body and the lower body; Including,
The height adjustment unit includes a hydraulic cylinder extending in the first direction to move the upper body in the first direction with respect to the lower body,
The height adjustment unit:
An upper coupling member coupled to the upper cylinder of the hydraulic cylinder and the upper body; And
A lower coupling member coupled to the lower cylinder of the hydraulic cylinder and the lower body; Including,
The auxiliary adjusting member is:
An upper connecting member coupled to the upper body;
A lower connecting member coupled to the lower body;
An auxiliary body connecting the upper connecting member and the lower connecting member; And
An adjustment screw connected to the auxiliary body to move the upper body in the first direction with respect to the lower body; Including,
The adjusting screw is located above the upper body,
Mold exchange truck further comprising a control unit for controlling the hydraulic cylinder.
The method of claim 1,
The roller part:
Two roller fixing plates spaced apart in a direction crossing the first direction; And
A plurality of rollers disposed between the two roller fixing plates; Mold exchange vehicle comprising a.
The method of claim 1,
Further comprising a wheel coupled to the lower body,
The wheel is a mold exchange vehicle comprising a wheel fixing device.
The method of claim 1,
A mold exchange cart provided with a plurality of height adjustment units.
delete delete The method of claim 1,
The upper body is a mold exchange car including a blocking plate that prevents the mold seated on the roller from being separated from the rear of the roller.
The method of claim 1,
The upper body includes a front blocking member in front of the roller part,
The front blocking member is a mold exchange cart that is detachable from the frame of the upper body.
The method of claim 1,
The upper body is a mold exchange cart further comprising a guide roller.
The method of claim 1,
Mold exchange cart further comprising a handle member coupled to the lower body.
delete The method of claim 1,
Further comprising a fixing portion coupled to the upper body,
The fixing part is a mold exchange cart for fixing the upper body to a predetermined position.

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