Injection molding machine for mold production

Abstract

The utility model relates to an injection molding machine for mold production, and relates to the field of injection molding machines, the injection molding machine comprises an injection molding machine body, a bottom plate arranged on the injection molding machine body, a fixed mold rotationally connected to the bottom plate and a movable mold which slides on the injection molding machine body in a lifting manner, a positioning groove is formed in the bottom plate, the fixed mold is clamped in the positioning groove, and a rotating groove and a sliding groove are formed in the bottom plate; the fixed mold is provided with a rotating shaft, the rotating shaft is clamped into the rotating groove through the sliding groove, the bottom plate is provided with a positioning piece, the positioning piece is used for positioning the fixed mold, the injection molding machine body is provided with a first driving piece, and the first driving piece drives the movable mold to ascend and descend. When the fixed mold needs to be cleaned, the positioning piece relieves positioning, the fixed mold is erected, after cleaning or maintenance is finished, the fixed mold is rotated around the rotating shaft, the fixed mold is clamped into the positioning groove, then the fixed mold and the bottom plate are fixed through the positioning piece, the fixed mold does not need to be detached from the bottom plate to be cleaned, the downtime of the injection molding machine is shortened, and the production efficiency is improved. And the production efficiency can be improved.

Description

Technical field:

[0001] The utility model belongs to the technical field of injection molding machines, in particular to an injection molding machine for mold production. Background technology:

[0002] Injection molding machines are primarily used to mold thermoplastics or thermosetting plastics into various shapes. Based on the arrangement of the injection unit and clamping device, injection molding machines can be divided into vertical, horizontal, and vertical-horizontal combined types.

[0003] During the use of a vertical injection molding machine, the mold installed on the injection molding machine needs to be cleaned and maintained regularly to reduce the residual sediment on the mold. During the cleaning process of the existing injection molding machine, the mold needs to be removed from the injection molding machine and then reinstalled on the injection molding machine after the cleaning is completed. The downtime during mold cleaning is relatively long and needs to be improved. Summary of the invention:

[0004] In order to reduce the downtime of the injection molding machine during cleaning and improve production efficiency, the utility model aims to provide an injection molding machine for mold production.

[0005] The utility model is achieved in this way:

[0006] An injection molding machine for mold production includes an injection molding machine body, a base plate arranged on the injection molding machine body, a fixed mold rotatably connected to the base plate, and a movable mold that rises and falls and slides on the injection molding machine body. A positioning groove is provided on the base plate, and the positioning groove is for the fixed mold to be clamped in. A rotating groove and a sliding groove are provided on the base plate, and the rotating groove and the sliding groove are connected. A rotating shaft is provided on the fixed mold, and the rotating shaft is clamped in the rotating groove through the sliding groove. A positioning member is provided on the base plate, and the positioning member is used to position the fixed mold. A driving member 1 is provided on the injection molding machine body, and the driving member 1 drives the movable mold to rise and fall.

[0007] Preferably, the positioning member is a positioning block, the positioning block slides into or out of the fixed mold, a fixing groove is provided on the bottom plate, a driving member 2 is provided on the bottom plate, and the driving member 2 drives the positioning block to move and snap into the fixing groove for positioning.

[0008] Preferably, the second driving member is a positioning plate, a slot is provided on the inner wall at the bottom of the positioning groove, one end of the slot passes through the bottom plate, the positioning plate is inserted into the slot, a strip groove for the positioning plate to be inserted is provided on the fixed mold, a guide surface 1 is formed on the positioning block, the guide surface 1 is inclined in the direction close to the fixed groove, the positioning plate is inserted into the strip groove and abuts against the guide surface 1, so that the positioning block moves and is inserted into the fixed groove.

[0009] Preferably, a second guide surface is formed on the positioning block, and the second guide surface is inclined toward the bottom plate along a direction close to the fixing groove, and the second guide surface abuts against the inner wall of the upper end of the sliding groove.

[0010] Preferably, a support surface is formed on the positioning plate, and the distribution direction of the support surface is parallel to the length direction of the positioning plate. When the fixed mold and the base plate are spliced ​​to form an angle, the support surface respectively abuts against the base plate and the fixed mold support.

[0011] Preferably, a hinge shaft is provided on the bottom plate, the hinge shaft passes through the positioning plate and is slidingly connected to the positioning plate, and the hinge shaft is rotatably connected to the positioning plate.

[0012] Preferably, a limiting plate is provided on the fixed mold, and a limiting groove for the limiting plate to be inserted into is opened on the movable mold.

[0013] Preferably, the fixed mold and the movable mold are spliced ​​to form a cavity, and the limiting plate is located on a side of the cavity close to the rotating shaft.

[0014] The outstanding advantages of the utility model compared with the prior art are:

[0015] 1. During installation, the present invention inserts the rotating shaft and the fixed mold into the rotating groove and the positioning groove respectively, and then fixes the fixed mold to the base plate through the positioning piece. When the fixed mold needs to be cleaned or maintained, the positioning piece is released, the fixed mold is rotated around the rotating shaft, and the fixed mold is erected for cleaning or maintenance. After the cleaning or maintenance is completed, the fixed mold is rotated around the rotating shaft so that the fixed mold is inserted into the positioning groove, and then the fixed mold and the base plate are fixed through the positioning piece. There is no need to remove the fixed mold from the base plate for cleaning, which is beneficial to reducing the downtime of the injection molding machine and thus beneficial to improving production efficiency.

[0016] 2. The utility model provides a positioning plate. When the fixed mold rotates and protrudes from the bottom plate, the two supporting surfaces on the positioning plate respectively abut against the bottom plate and the fixed mold to support the fixed mold, thereby maintaining the stability of the fixed mold during cleaning. After cleaning, the positioning plate is inserted into the slot, and the fixed mold is rotated so that the protruding portion of the positioning plate is inserted into the strip groove. The positioning plate abuts against the first guide surface, so that the positioning block extends out of the fixed mold and is inserted into the sliding groove, thereby facilitating the fixing of the fixed mold.

[0017] 3. The utility model sets a limit plate, and when the driving member drives the movable mold to move close to the fixed mold, the limit plate is clamped in the limit groove, so that the movable mold and the fixed mold are not easily misaligned during the mold closing process, which increases the cost; when the injection molding machine is cleaned, the fixed mold is rotated and erected, and the debris generated during cleaning falls on the limit plate, which is conducive to reducing the debris from entering the positioning groove through the gap between the bottom plate and the fixed mold. Description of the drawings:

[0018] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a partial cross-sectional view of the bottom plate of the utility model, mainly showing the connection structure between the bottom plate and the fixed mold;

[0020] Figure 3 This is a partial structural diagram of the utility model, mainly showing the structure of the fixed mold;

[0021] Figure 4 This is a partial cross-sectional view of the utility model, mainly showing the connection structure between the positioning plate, the bottom plate and the fixed mold;

[0022] Figure 5 It is a schematic diagram of the overall structure of the utility model, mainly showing the state of the fixed mold during cleaning.

[0023] Figures in the specification: 1. Injection molding machine body; 11. Driving member 1; 2. Bottom plate; 21. Positioning groove; 22. Sliding groove; 23. Rotating groove; 24. Fixed groove; 25. Clamping groove; 26. Articulated shaft; 3. Fixed mold; 31. Rotating shaft; 32. Positioning member; 321. Positioning block; 322. Guide surface 1; 323. Guide surface 2; 33. Accommodating groove; 34. Strip groove; 4. Moving mold; 41. Limiting groove; 5. Driving member 2; 51. Positioning plate; 52. Supporting surface; 53. Avoidance; 6. Cavity; 7. Limiting plate. Specific implementation method:

[0024] The present invention is further described below with reference to specific embodiments. Figure 1 —5:

[0025] The utility model discloses an injection molding machine for mold production. Figure 1 , including an injection molding machine body 1, a base plate 2, a fixed mold 3 and a movable mold 4. The base plate 2 is located above the injection molding machine body 1 and is fixedly connected to the injection molding machine body 1. A positioning groove 21 is provided on the upper end surface of the base plate 2. The positioning groove 21 is for the fixed mold 3 to be inserted into. The positioning groove 21 passes through one end of the base plate 2 distributed in the horizontal direction. The movable mold 4 is located above the fixed mold 3 and is connected to the injection molding machine body 1 for lifting and sliding. A driving member 11 is fixed to the injection molding machine body 1. The driving member 11 drives the movable mold 4 to move closer to or away from the fixed mold 3. In this embodiment, the driving member 11 is a driving cylinder.

[0026] See also Figure 2The base plate 2 is provided with sliding grooves 22, which are located on opposite sides of the positioning groove 21. The sliding grooves 22 extend through one end of the base plate 2 in the horizontal direction. The base plate 2 is provided with rotation grooves 23, the position and number of which correspond to the position and number of the sliding grooves 22. The rotation grooves 23 are connected to the sliding grooves 22. The distribution direction of the rotation grooves 23 and the corresponding sliding grooves 22 is perpendicular to the distribution direction of the sliding grooves 22. Both the rotation grooves 23 and the sliding grooves 22 are connected to the positioning groove 21. A rotating shaft 31 is fixed to the fixed mold 3. The rotating shaft 31 is located on opposite sides of the fixed mold 3. The sliding grooves 22 and the rotation grooves 23 are both for the rotating shaft 31 to be inserted. The rotating shaft 31 enters the rotation groove 23 through the sliding groove 22. The fixed mold 3 and the rotating shaft 31 are both rotatably connected to the base plate 2. When the fixed mold 3 is inserted into the positioning groove 21, the rotating shaft 31 is inserted into the rotation groove 23.

[0027] See also Figure 2 and Figure 3 The fixed mold 3 is slidably connected to a positioning member 32, which is used to fix the fixed mold 3 and the base plate 2. The positioning member 32 is a positioning block 321, which is located on opposite sides of the fixed mold 3. The distribution direction of the positioning block 321 is parallel to the distribution direction of the sliding groove 22, and the sliding direction of the positioning block 321 is parallel to the distribution direction of the positioning block 321. The fixed mold 3 is provided with a receiving groove 33, and the position and number of the receiving grooves 33 correspond to the position and number of the positioning blocks 321. The positioning blocks 321 slide into or out of the receiving grooves 33. The base plate 2 is provided with a fixing groove 24, and the distribution direction of the fixing groove 24 is parallel to the distribution direction of the positioning block 321. The fixing groove 24 is provided for the positioning block 321 to be snapped into and positioned, and the fixing groove 24 is connected to the sliding groove 22. When the fixed mold 3 is inserted into the positioning groove 21 , the receiving groove 33 is connected with the fixing groove 24 , and the driving member 2 5 is installed on the bottom plate 2 , and the driving member 2 5 drives the positioning block 321 to slide and insert into the fixing groove 24 for positioning.

[0028] See also Figure 2 and Figure 4The second driving member 5 is a positioning plate 51. A plurality of slots 25 are spaced apart on the inner wall of the bottom of the positioning groove 21. The distribution direction of the plurality of slots 25 is parallel to the distribution direction of the plurality of sliding grooves 22. The extension direction of the slots 25 is parallel to the distribution direction of the sliding grooves 22 and the rotation grooves 23. The slots 25 pass through one end of the bottom plate 2 distributed in the horizontal direction. The position and number of the positioning plates 51 correspond to the position and number of the slots 25. The slots 25 are for the corresponding positioning plates 51 to be snapped into. The positioning plates 51 are slidably connected to the bottom plate 2. The lower end surface of the fixed mold 3 is provided with strip grooves 34. The position and number of the strip grooves 34 correspond to the position and number of the receiving grooves 33. The strip grooves 34 are located below the corresponding receiving grooves 33 and are connected to the corresponding receiving grooves 33. The position and number of the strip grooves 34 correspond to the position and number of the slots 25. The strip grooves 34 are for the positioning plates 51 to be snapped into. When the fixed mold 3 is inserted into the positioning groove 21 , the strip groove 34 is communicated with the corresponding slot 25 , and the positioning plate 51 extends into the accommodating groove 33 through the strip groove 34 .

[0029] See also Figure 2 and Figure 4 A guide surface 322 is formed on one end of the positioning block 321 close to the strip groove 34. The guide surface 322 is inclined from the direction close to the corresponding fixed groove 24 to the direction close to the card groove 25. The positioning plate 51 abuts against the guide surface 322, so that the positioning block 321 moves along the inclined direction of the guide surface 322 and is locked in the fixed groove 24 for positioning.

[0030] See also Figure 2 and Figure 4 The upper end surface of the positioning block 321 is processed to form a second guide surface 323, and the second guide surface 323 is inclined toward the bottom plate 2 along the square close to the fixing groove 24, and the second guide surface 323 abuts the inner wall of the upper end of the fixing groove 24.

[0031] When the fixed mold 3 needs to be installed, the positioning plate 51 is inserted into the corresponding slot 25, the fixed mold 3 is moved so that the rotating shaft 31 is inserted into the rotating slot 23, and then the fixed mold 3 is flipped around the rotating shaft 31 so that the positioning plate 51 is inserted into the strip slot 34 and abuts against the guide surface 1 322, and the positioning block 321 is inserted into the fixed slot 24 for positioning.

[0032] When the fixed mold 3 needs to be disassembled, the positioning plate 51 is moved to disengage the positioning block 321 to release the positioning, and then the fixed mold 3 is rotated upward around the rotating shaft 31, and the guide surface 323 abuts against the upper inner wall of the fixed groove 24, so that the positioning block 321 is disengaged from the fixed groove 24 and stuck in the receiving groove 33, and then the rotating shaft 31 is moved to disengage from the base plate 2.

[0033] See also Figure 2 and Figure 3Support surfaces 52 are formed on both opposite ends of the positioning plate 51. The support surfaces 52 are inclined surfaces. The distribution direction of the support surfaces 52 is parallel to the length direction of the positioning plate 51. The support surfaces 52 are used to abut the bottom inner walls of the card slot 25 and the accommodating slot 33 respectively.

[0034] See also Figure 2 and Figure 3 The base plate 2 is fixed with hinge shafts 26. The position and number of the hinge shafts 26 correspond to the position and number of the slots 25. The hinge shafts 26 are located in the corresponding slots 25. The axis of the hinge shafts 26 is parallel to the distribution direction of the slots 25. The positioning plate 51 is provided with an escape opening 53. The hinge shaft 26 passes through the escape opening 53 and is slidably connected to the positioning plate 51. The hinge shaft 26 is rotatably connected to the positioning plate 51. This prevents the positioning plate 51 from being easily separated from the base plate 2.

[0035] See also Figure 1 and Figure 5 The fixed mold 3 and the movable mold 4 are spliced ​​together to form a cavity 6. A limit plate 7 is fixed to the upper end surface of the fixed mold 3. The limit plate 7 is located on the side of the cavity 6 close to the rotating shaft 31. A limit groove 41 is provided on the movable mold 4 for the limit plate 7 to be inserted into, so that the fixed mold 3 and the movable mold 4 are not easily misaligned when the mold is closed.

[0036] When the movable mold 4 needs to be cleaned, the positioning plate 51 is pulled outward to separate the positioning plate 51 from the guide surface 322, and then the fixed mold 3 is rotated around the rotating shaft 31, and then the positioning plate 51 is moved so that the supporting surface 52 abuts against the inner wall of the bottom of the card slot 25 and the accommodating slot 33 to support the fixed mold 3.

[0037] In this embodiment, the rotation angle of the fixed mold 3 is 45 degrees. When the fixed mold 3 is rotated and positioned, the baffle abuts against the notch of the positioning groove 21 to reduce metal chips generated during cleaning from falling into the positioning groove 21.

[0038] The implementation principle of the embodiment of the present application is: through the cooperation between the positioning plate 51, the positioning block 321 and the fixed mold 3, the fixing and disassembly of the fixed mold 3 are convenient; through the cooperation between the positioning plate 51, the rotating shaft 31 and the fixed mold 3, there is no need to remove the fixed mold 3 during the cleaning process of the fixed mold 3, which saves the disassembly and assembly time, is beneficial to reducing the downtime of the injection molding machine, and reduces the impact of cleaning the fixed mold 3 on the production efficiency, which is beneficial to improving the production efficiency of the injection molding machine.

[0039] The above embodiment is only one of the preferred embodiments of the present invention and is not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes made based on the shape, structure, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. An injection molding machine for mold production, characterized in that: The invention comprises an injection molding machine body (1), a base plate (2) arranged on the injection molding machine body (1), a fixed mold (3) rotatably connected to the base plate (2), and a movable mold (4) that is lifted and slidably moved on the injection molding machine body (1), wherein a positioning groove (21) is provided on the base plate (2), and the positioning groove (21) is for the fixed mold (3) to be inserted into, a rotating groove (23) and a sliding groove (22) are provided on the base plate (2), and the rotating groove (23) and the sliding groove (22) are connected, a rotating shaft (31) is provided on the fixed mold (3), and the rotating shaft (31) is inserted into the rotating groove (23) through the sliding groove (22), a positioning member (32) is provided on the fixed mold (3), and the positioning member (32) is used to position the fixed mold (3), and a driving member (11) is provided on the injection molding machine body (1), and the driving member (11) drives the movable mold (4) to move up and down.

2. The injection molding machine for mold production according to claim 1, characterized in that: The positioning member (32) is a positioning block (321), and the positioning block (321) slides and extends into or out of the fixed mold (3). A fixing groove (24) is provided on the bottom plate (2), and a second driving member (5) is provided on the bottom plate (2). The second driving member (5) drives the positioning block (321) to move and snap into the fixing groove (24) for positioning.

3. The injection molding machine for mold production according to claim 2, characterized in that: The second driving member (5) is a positioning plate (51). A slot (25) is provided on the inner wall of the bottom of the positioning groove (21). One end of the slot (25) passes through the bottom plate (2). The slot (25) is provided for the positioning plate (51) to be inserted into. A strip groove (34) is provided on the fixed mold (3) for the positioning plate (51) to be inserted into. A guide surface (322) is formed on the positioning block (321). The guide surface (322) is inclined from a direction close to the fixed groove (24) to a direction close to the slot (25). The positioning plate (51) is inserted into the strip groove (34) and abuts against the guide surface (322), so that the positioning block (321) moves and is inserted into the fixed groove (24).

4. The injection molding machine for mold production according to claim 3, characterized in that: A second guide surface (323) is machined and formed on the positioning block (321), and the second guide surface (323) is inclined toward the bottom plate (2) along a direction close to the fixed groove (24), and the second guide surface (323) abuts against the inner wall of the upper end of the sliding groove (22).

5. The injection molding machine for mold production according to claim 3, characterized in that: A support surface (52) is machined and formed on the positioning plate (51), and the distribution direction of the support surface (52) is parallel to the length direction of the positioning plate (51). When the fixed mold (3) and the bottom plate (2) are spliced ​​to form an angle, the support surface (52) respectively abuts against the bottom plate (2) and the fixed mold (3) for support.

6. The injection molding machine for mold production according to claim 5, characterized in that: A hinge shaft (26) is provided on the bottom plate (2), the hinge shaft (26) passes through the positioning plate (51) and is slidably connected to the positioning plate (51), and the hinge shaft (26) is rotatably connected to the positioning plate (51).

7. The injection molding machine for mold production according to claim 1, characterized in that: The fixed mold (3) is provided with a limiting plate (7), and the movable mold (4) is provided with a limiting groove (41) for the limiting plate (7) to be clamped.

8. The injection molding machine for mold production according to claim 7, characterized in that: The fixed mold (3) and the movable mold (4) are spliced ​​to form a mold cavity (6), and the limiting plate (7) is located on a side of the mold cavity (6) close to the rotating shaft (31).

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