KR102468968B1 - Position Adjustment Device for Moving Plate in Injection Molding Machine - Google Patents

Abstract

The present invention relates to a device for adjusting the position of a movable platen of an injection molding machine, and the device for adjusting the position according to an embodiment of the present invention includes a fixing member coupled to both ends of the movable platen and a longitudinal end of the fixing member. A first wedge member and a second wedge member coupled to each other, wherein the fixing member includes a first extension portion having first and second surfaces extending horizontally with respect to the first main body portion and the support surface, A movable platen is mounted on the first surface, and a first fastening member is inserted into the second surface to fix the fixing member to the movable platen.

Description

Position Adjustment Device for Moving Plate in Injection Molding Machine}

The present invention relates to a device for adjusting the position of a movable platen of an injection molding machine, and relates to a device for adjusting the position of a movable platen of an injection molding machine for adjusting and moving the height and parallelism of the movable platen.

The electric injection molding machine is largely composed of an injection device and a clamping device 10. 1 is a view showing part of a clamping device 10 according to the prior art. The mold clamping device 10 includes a fixed platen 11 on which a fixed mold is formed and a movable platen 12 on which a movable mold is formed, and the movable platen 12 includes a plurality of tie bars 14 fixed to the fixed platen 11 ) to perform the opening and closing operation.

To this end, a ball screw 23 and a transfer device 20 were used on both sides of the movable platen 12. A guide rail 24 is placed under the movable template 12 to slide the movable template 12 along it.

However, since the movable platen 12 is allowed to move, there is a problem that the position of the movable platen 12 is distorted due to various causes such as pressure applied from inside or outside during movement. As the position of the movable platen 12 is shifted, the position of the mold is shifted, resulting in product defects and malfunctions.

Various types of devices were used to adjust the position of the movable platen 12 . Referring to FIG. 1, two plates 22 and 26 are placed between the movable platen 12 and the guide rail 24, and wedge-shaped blocks 28a and 28b are placed therebetween to position was adjusted. In the case of Patent Document 1, a structure in which a roller is disposed under the template and a wedge-shaped block is also taken.

However, in the case of these structures, in order to arrange the wedge-shaped block between the two plates 22 and 26, the plate 22 and the wedge-shaped block 28a and 28b are installed under the movable platen 12 and guide Since it must be mounted on the plate 26 on the rail 24, a special jig is required to install the parts on the lower part of the movable platen 12, and a person must assemble the parts at the lower part of the movable platen 12. there was a risk of

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An object of the present invention is to provide a position control device for a movable platen of an injection molding machine capable of supporting the movable platen through simple and safe installation and reducing friction during forward/backward movement.

The present invention is to solve the above-mentioned problems, and an apparatus for adjusting the position of a movable platen of an injection molding machine according to an embodiment of the present invention includes a fixing member coupled to both ends of the movable platen, and a longitudinal direction of the fixing member. A first wedge member and a second wedge member coupled to ends, and the fixing member includes a first extension portion having first and second surfaces extending horizontally with respect to the first body portion and the support surface. Thus, the movable platen is mounted on the first surface, and a first fastening member is inserted into the second surface to fix the fixing member to the movable platen.

The fixing member may include a second extension portion formed to support one side surface of the movable template in the first body portion, and a second fastening member passing through the second extension portion and inserted into the one side surface of the movable template plate. have.

The fixing member includes a first inclined surface, and the first wedge member and the second wedge member protrude from a second body portion, a second inclined surface having a shape corresponding to the first inclined surface, and an outer end, respectively. It includes a protrusion and a position adjusting screw that penetrates the protrusion and is inserted into one side of the fixing member. It can be formed to adjust the positions of the first wedge member and the second wedge member.

Each of the first wedge member and the second wedge member may further include a plate bearing.

One end is coupled to the longitudinal side of the fixing member as a third fastening member, and the other end is coupled to the longitudinal side of the first wedge member or the second wedge member connected to the fixing member as a fourth fastening member. , It may further include a side support.

According to one embodiment of the present invention, it is possible to provide a device for adjusting the position of a movable platen of an injection molding machine, which can be safely installed, supports the movable platen, and reduces friction during forward/backward movement.

1 is a diagram schematically showing the structure of an injection molding machine according to the prior art.
2 is a perspective view schematically illustrating a position adjusting device and a movable platen according to an embodiment of the present invention.
Figure 3 is a side view of the positioning device of Figure 2;
Figure 4 is a front view of the positioning device of Figure 2;

The present embodiments can apply various transformations and have various embodiments, and will be described in detail by exemplifying specific embodiments in the drawings. However, this is not intended to limit the scope to specific embodiments, and should be understood to include all transformations, equivalents, and substitutes included in the spirit and scope of technology disclosed. In describing the embodiments, if it is determined that a detailed description of a related known technology may obscure the subject matter, the detailed description will be omitted.

2 is a device for adjusting the position of the movable platen of an injection molding machine according to an embodiment of the present invention, the fixing members 100 and 200 coupled to both ends of the movable platen and the longitudinal direction of the fixing members 100 and 200 It includes first wedge members 110 and 210 and second wedge members 120 and 220 coupled to the ends.

3 and 4 are diagrams showing the movable platen position adjusting device according to an embodiment of the present invention in more detail, the fixing member 200 and the first wedge member 210 coupled to the end in the longitudinal direction and the second 2 These are a side view (FIG. 3) and a front view (FIG. 4) which show the wedge member 220 in detail.

Referring to FIGS. 3 and 4 , the fixing members 100 and 200 include a first extension portion having first and second surfaces extending horizontally with respect to the first body portion 201 and the support surface ( 205), the movable platen 12 is mounted on the first surface, and the first fastening members 261, 262, 263, and 264 are inserted into the second surface to secure the fixing member to the movable platen 12. It is formed to fix (100, 200).

Accordingly, according to one embodiment of the present invention, the fixing members 100 and 200 are mounted on the first extension 205 extending horizontally with respect to the support surface, in a state where the movable platen is mounted, the first extension ( 205) is formed so that the first fastening members 261, 262, 263, and 264 can be inserted and fastened in the upper direction from the lower part.

That is, even if the movable platen 12 is not mounted on a special jig, the fixing members 100 and 200 secure a predetermined space under the first extension part 205 extending horizontally with respect to the support surface. In a state in which the template 12 is mounted on the first extension portion 205 of the fixing members 100 and 200, the first fastening members 261, 262, 263 and 264 may be inserted and fastened. Accordingly, since an additional work of lifting or lowering a separate jig is eliminated, workability is excellent and stability of the manufacturing process can be secured.

3 and 4, four first extension parts 205 extend from the first body part 201. Four first extensions 205 are formed to support the two legs protruding in the lower direction of the movable template 12 of FIG. Accordingly, the legs of the movable platen 12 can be evenly supported. The number and arrangement of the first extension portions 205 extending from the first body portion 201 may vary according to each product.

According to one embodiment of the present invention, the fixing member 200 includes a second extension part 207 formed to support one side surface of the movable platen in the first body part 201, and the second extension part ( 207) and inserted to one side of the movable platen to fix the fixing member 200, the second fastening member 265 may be included.

The fixing member 200 is fixed to the lower surface of the movable template by the first extension part 205 and the first fastening members 261, 262, 263, and 264, and the second extension part 207 and the second The fixing member 200 may be additionally fixed to the side of the movable platen by the fastening member 265 . Accordingly, it is possible to firmly fix the fixing member 200 to the movable platen 12 .

In the case of the embodiments of FIGS. 3 and 4, the formation of the second extension part 207 on one side of the movable platen 12 has been disclosed, but it is not necessarily limited thereto, and the second extension part 207 is formed on both sides of the movable platen 12. Since the two extension parts 207 are arranged, the fixing member 200 can be more stably fixed, and the movable platen 12 can be positioned between the two second extension parts 207 to adjust the position, so more accurate placement is possible.

In addition, the fixing member 200 includes a first inclined surface 203 .

Correspondingly, the first wedge member 210 and the second wedge member 220 respectively have a second body portion 211 and a second inclined surface 213 having a shape corresponding to the first inclined surface 203 includes Accordingly, the first inclined surface 203 disposed on both sides of the first body portion 201 and the second inclined surface 213 of the first wedge member 210 and the second wedge member 220 are in contact with each other, respectively It can be formed so that it adheres closely.

In addition, the first wedge member 210 and the second wedge member 220 are inserted into one side surface 255 of the fixing member 200 by penetrating the protruding portion 253 formed at the outer end and the protruding portion It includes an adjustment screw 251. In other words, the outer ends of the first wedge member 210 and the second wedge member 220 include a protrusion 253 protruding upward, and through the protrusion 253, the fixing member 200, That is, it includes the position adjusting screw 251 inserted into the side surface 255 of the first body part 201 .

The protrusion 253, the position adjusting screw 251, and one side surface 255 of the fixing member 200 constitute the position adjusting part 250, and the fixing member 200 by tightening or loosening the position adjusting screw 251. The gap between one side 255 and the protrusion 253 is adjusted. That is, it is formed to adjust the height of both ends of the fixing member 200 by adjusting the insertion depth of each of the first wedge member 210 and the second wedge member 220 .

At both lower ends of the fixing member 200, the first inclined surface 203 and the second inclined surface 213 are formed to contact each other. And, as the contact surface between the first inclined surface 203 and the second inclined surface 213 widens, the corresponding end of the fixing member 200 goes up, and as the contact surface narrows, the corresponding end of the fixing member 200 goes down. . That is, by adjusting the position adjusting screw 251 to adjust the size of the contact surface of the first inclined surface 203 and the second inclined surface 213 between the wedge member and the fixing member 200 at both ends, the fixing member ( 200) height can be adjusted, and accordingly, the height or inclination of the movable platen mounted thereon can be adjusted.

Specifically, according to one embodiment, two fixing members 200 are disposed at both lower ends of one movable platen, and the first wedge member 210 and the second wedge at both ends of each fixing member 200 By adjusting the position of each member 220, the movable platen 12 can be attached to and supported from both sides, and the height can be adjusted with the wedge members. That is, by adjusting the distance between the first wedge member 210 and the second wedge member 220 and the fixing member 200 with the position adjusting screw 251 disposed outside the position adjusting device, the parallelism and height are adjusted. can be adjusted

Referring to the embodiment of FIG. 2, two fixing members 100 and 200 are disposed on the left and right sides of the movable platen 12, and the first wedge member 110 is placed in front and rear of each fixing member 100 and 200. , 210) and the second wedge members 120 and 220 may be disposed. Accordingly, four wedge members are disposed on the front/rear/left/right sides of the movable platen 12, respectively, so that the left and right heights of the movable platen 12 and the inclination of the movable platen 12 can be adjusted.

It is not necessarily limited thereto, and one end of the movable platen 12 may be formed to adjust the inclination of the movable platen 12 by adjusting the other ends in a fixed state.

Referring to FIGS. 3 and 4 , according to an embodiment of the present invention, each of the first wedge member 210 and the second wedge member 220 may further include a plate bearing 215 .

Accordingly, even if it is not mounted on a separate guide rail 24 as shown in FIG. 1, the frictional force is generated by the plate bearings 215 formed on the lower surfaces of the first wedge member 210 and the second wedge member 220. can move the moving platen forward or backward by relaxing it. Accordingly, the movable platen 12 can be transferred while supporting the movable platen 12 and adjusting the height and inclination of the movable platen 12 by the position adjusting device.

In the case of FIG. 1, since the plates 22 and 26, the wedge-shaped blocks 28a and 28b, and the guide rails 24 must be installed in the lower direction of the movable platen 12, installation or maintenance of the movable platen 12 For this, a special jig was required, resulting in poor workability and poor work stability. However, in the case of the present invention, the movable platen 12 is mounted on the assembly of the fixing member 100, the first wedge members 110 and 210, and the second wedge members 120 and 220, and is removed from the floor or the assembly. When the first fastening members 261, 262, 263, and 264 and the second fastening member 265 are fastened, the assembly of the movable platen 12 is completed and movement is possible.

Accordingly, since there is no need to mount the movable platen 12 on a separate special jig and assemble other parts to the lower part, the convenience of work increases and the stability of work increases. In addition, it has advantages in maintenance and repair.

Referring to Figure 4, according to one embodiment of the present invention, one end is coupled to the longitudinal side of the first body portion 201 of the fixing member 200 as a third fastening member 273, the other end Is coupled to the longitudinal side of the first wedge member 210 or the second wedge member 220 connected to the fixing member by the fourth fastening member 275, further includes a side support portion 270.

That is, the side support 270 fixes the fixing member 200 and the first wedge member 210 or the second wedge member 220 from the side, so that the first wedge member 210 or the second wedge member 220 ) is prevented from being separated from the fixing member 200. And, it is coupled to the fixing member 200 and the first and second wedge members 210 and 220, enabling position adjustment by the position adjusting screw 251.

That is, the side support 270 allows the first wedge member 210 or the second wedge member 220 to move in the forward and backward directions relative to the fixing member, so that the height and tilt adjustment function of the fixing member is not affected. while restraining the left and right movement of the fixing member 200 and the first wedge member 210 or the second wedge member 220, the first wedge member 210 or the second wedge member 210 from the fixing member 200 ( 220) can be prevented from escaping. By stably maintaining the coupled state between the fixing member 200 and the first wedge member 210 or the second wedge member 220, the height and inclination of the movable platen can be adjusted more accurately and precisely.

Referring to the embodiment of FIG. 2, the inner side of the two fixing members 100 and 200, that is, the four side support portions 270 connected to the first and second wedge members, respectively, are formed on the side facing each other can know that Each side support part 270 is fixed to the fixing members 100 and 200 with four bolts, and may be formed to be connected to the first wedge member 210 or the second wedge member 220 with one bolt. . In addition, a guide hole having a predetermined length for guiding a bolt may be formed in the side support portion to guide movement of the side support portion relative to the first and second wedge members.

The first fastening member, the second fastening member, the third fastening member, and the fourth fastening member may be applied to various fastening members that can be used in the present technical field. For example, various types of fastening members such as various types of bolts, screws, or fixing pins may be applied.

The position adjusting device according to an embodiment of the present invention has been described based on being applied to a moving platen, but is not necessarily limited thereto, and can be applied to other parts when the height or parallelism of the platen needs to be adjusted or when transport is required. can

In addition, according to one embodiment of the present invention, after the movable platen is placed on the assembly of the fixing member and the first and second wedge members, it can be safely fastened to the fastening member on the floor or frame, so assembling without using a separate jig this becomes possible In addition, since the assembly of the fixing member and the first and second wedge members can be prepared in advance and then the movable platen having a large volume and weight can be finally assembled, workability is significantly improved. Therefore, it is possible to provide a positioning device with high stability and high workability.

12: moving template
100, 200: fixed member
110, 210: first wedge member
120, 220: second wedge member
201: first body part
203: first slope
205: first extension
207: second extension
211: second body part
213: second slope
215: plate bearing
253 protrusion
251: position adjustment screw
261, 262, 263, 264: first fastening member
265: second fastening member
270: side support
273: third fastening member
275: fourth fastening member

Claims (5)

As a device for adjusting the position of the moving platen of the injection molding machine,
A fixing member coupled to both ends of the moving platen, and
Including a first wedge member and a second wedge member coupled to the end of the longitudinal direction of the fixing member,
The fixing member is
A movable platen is mounted on the first surface, including a first body part and a first extension part having first and second surfaces extending horizontally with respect to a support surface, and a first fastening member to the second surface. Is inserted to fix the fixing member to the moving template,
A second extension part formed to support one side of the movable platen in the first body part;
The device for adjusting the position of the movable platen comprising a second fastening member inserted into one side of the movable platen through the second extension.
delete According to claim 1,
The fixing member includes a first inclined surface,
The first wedge member and the second wedge member each include a second body portion, a second inclined surface having a shape corresponding to the first inclined surface, a protrusion protruding from an outer end portion, and passing through the protruding portion to secure the fixing member. Includes a position adjustment screw inserted into one side,
Adjusting the position of the movable platen, characterized in that formed to adjust the position of the first wedge member and the second wedge member relative to the movable platen by adjusting the distance between the protrusion and one side of the fixing member by the position adjusting screw Device.
According to claim 3,
The first wedge member and the second wedge member each further include a plate bearing.
According to claim 1,
One end is coupled to the longitudinal side of the fixing member as a third fastening member,
The position control device of the movable platen, characterized in that the other end further comprises a side support portion coupled to the longitudinal side of the first wedge member or the second wedge member connected to the fixing member by a fourth fastening member.

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