A mold positioning device for a molding machine

Abstract

The application discloses a mold closing positioning device of a molding machine and relates to the technical field of molding machines.The mold closing positioning device comprises a connecting rod and a driving piece used for driving the connecting rod to slide, the output end of the driving piece is threadedly connected with a zero-point positioning block, the connecting rod is threadedly connected with the output end of the driving piece, the zero-point positioning block is located between the driving piece and the connecting rod, and the connecting rod is threadedly connected with a rotating sleeve.The rotating sleeve is rotated in a direction away from the zero-point positioning block when the distance between a movable mold and a fixed mold needs to be adjusted, and the rotating sleeve is moved to a corresponding position until the rotating sleeve moves to the corresponding position; the moving distance of the rotating sleeve is the interval between the movable mold and the fixed mold.When the movable mold moves in a direction close to the fixed mold, the movable mold abuts against the rotating sleeve, the rotating sleeve limits the movement of the movable mold, and the interval between the movable mold and the fixed mold is better controlled.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of molding machines, in particular to a molding machine mold positioning device. BACKGROUND

[0002] The mold closing molding machine is a professional equipment, mainly used in the production process of plastic products. Its core function is to ensure that the molding mold can be flexibly, accurately, quickly, reliably and safely opened and closed. In the process of plastic injection molding, the mold closing molding machine can generate enough mold closing force through its mold closing system to ensure that the mold cavity is tightly closed under high pressure to prevent the plastic melt from overflowing outside the mold cavity.

[0003] In the process of foamed plastic molding, the gap of the mold closing will have a great influence on the quality of the molded foamed plastic, so it is necessary to better control the gap of the mold closing. The commonly used method is to control the distance between the two molds by controlling the formation of the oil cylinder that pushes the mold to move. However, the movement of the oil cylinder is realized by hydraulic oil, and in the actual control process, the overall progress is poor and it is difficult to control the distance between the moving mold and the fixed mold, thereby affecting the quality of foamed plastic molding, which needs to be improved. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the present application is to provide a molding machine mold positioning device to better control the distance between the moving mold and the fixed mold.

[0005] The molding machine mold positioning device provided by the present application adopts the following technical solution: a connecting rod and a driving member for driving the connecting rod to slide, the output end of the driving member is threadedly connected with a zero point positioning block, the connecting rod is threadedly connected with the output end of the driving member, the zero point positioning block is located between the driving member and the connecting rod, and the connecting rod is threadedly connected with a rotating sleeve.

[0006] By adopting the above technical solution, before the first production, the zero point alignment operation needs to be performed. First, the moving mold and the fixed mold are attached, the rotating sleeve is rotated so that the rotating sleeve is located at one end of the connecting rod closest to the zero point positioning block. The driving member drives the output end of the driving member to extend, the output end of the driving member moves the maximum stroke, the connecting rod is rotated so that the side of the rotating sleeve away from the zero point positioning block abuts against the moving mold, at this time, the zero point positioning block is rotated towards the direction close to the rotating sleeve so that the zero point positioning block abuts against the connecting rod, and the zero point alignment is completed. When the distance between the moving mold and the fixed mold needs to be adjusted, the rotating sleeve is rotated away from the zero point positioning block until the rotating sleeve moves to the corresponding position, and the moving distance of the rotating sleeve is the distance between the moving mold and the fixed mold. When the moving mold moves towards the fixed mold, the moving mold abuts against the rotating sleeve, and the rotating sleeve limits the movement of the moving mold, thereby better controlling the distance between the moving mold and the fixed mold.

[0007] Optionally, a first fixing block is detachably connected to an end of the connecting rod away from the driving member, the rotating sleeve is located between the zero positioning block and the first fixing block, and the first fixing block is used to abut against the rotating sleeve.

[0008] By using the above technical scheme, when the position of the rotating sleeve is moved, the first fixing block is installed on the connecting rod, the first fixing block limits the movement of the rotating sleeve towards the first fixing block, thereby improving the stability of the rotating sleeve installed on the connecting rod.

[0009] Optionally, the first fixing block is provided with a threaded rod, and the connecting rod is provided with a threaded groove used to threadedly cooperate with the threaded rod.

[0010] By using the above technical scheme, the threaded rod and the threaded groove are threadedly cooperated, so as to facilitate the adjustment of the distance between the side of the first fixing block away from the threaded rod and the zero positioning block, thereby improving the efficiency of adjusting the first fixing block.

[0011] Optionally, the connecting rod is connected with a first scale line, the first scale line is distributed along the length direction of the connecting rod, the outer periphery of the rotating sleeve is connected with a second scale line, and the second scale line is distributed around the axis of the rotating sleeve.

[0012] By using the above technical scheme, the first scale line and the second scale line facilitate the observation of the moving distance of the rotating sleeve, that is, the distance between the moving mold and the fixed mold is better controlled.

[0013] Optionally, the outer periphery of the rotating sleeve is connected with a handle.

[0014] By using the above technical scheme, the handle provides a point for the worker to conveniently hold when rotating the rotating sleeve, thereby improving the efficiency of the user rotating the rotating sleeve.

[0015] Optionally, the handle is threadedly connected with the rotating sleeve, and the rotating sleeve is provided with a threaded hole used to threadedly connect with the handle.

[0016] By using the above technical scheme, when the handle is used, the handle is threadedly connected with the rotating sleeve, and when the rotating sleeve is rotated, the handle is detached from the rotating sleeve, thereby preventing the worker from accidentally touching the rotating sleeve during work.

[0017] Optionally, the threaded hole is a plurality of, and the plurality of threaded holes are uniformly distributed around the axis of the rotating sleeve.

[0018] By adopting the technical scheme, when the rotating sleeve rotates by a certain angle, the handle is removed from the rotating sleeve and is threadedly connected to other different threaded holes, so that the handle is convenient for being held by a person to drive the rotating sleeve to rotate.

[0019] Optionally, the installation plate is further included, the driving member is connected to the installation plate, the installation plate is threadedly connected with a plurality of locking members, and the installation plate is provided with installation holes for threadedly cooperating with the corresponding locking members.

[0020] By adopting the technical scheme, the driving member is convenient for being fixedly connected to the external device through the installation plate and the locking members.

[0021] Optionally, the driving member is an oil cylinder.

[0022] By adopting the technical scheme, the oil cylinder can provide strong thrust, and precise control of speed and force can be realized by adjusting the pressure and flow of the hydraulic system. The oil cylinder converts hydraulic energy into mechanical energy, has high energy conversion efficiency, and can realize remote control.

[0023] Optionally, the connecting rod is threadedly connected with a second fixing block, the second fixing block is located between the zero point positioning block and the rotating sleeve, the rotating sleeve is located between the second fixing block and the first fixing block, and the second fixing block is used for abutting against the rotating sleeve.

[0024] By adopting the technical scheme, when the rotating sleeve moves to the corresponding position, the second fixing block is rotated towards the direction close to the rotating sleeve, so that the second fixing block abuts against the rotating sleeve, the second fixing block limits the movement of the rotating sleeve towards the direction close to the zero point positioning block, and the stability of the rotating sleeve installed on the connecting rod is improved.

[0025] In summary, the present application has at least one of the following beneficial technical effects:

[0026] 1. When the distance between the moving die and the fixed die needs to be adjusted, the rotating sleeve is rotated towards the direction away from the zero point positioning block until the rotating sleeve moves to the corresponding position, and the movement distance of the rotating sleeve is the interval between the moving die and the fixed die. When the moving die moves towards the direction close to the fixed die, the moving die abuts against the rotating sleeve, the rotating sleeve limits the movement of the moving die, and the interval between the moving die and the fixed die is better controlled.

[0027] 2. When the position of the rotating sleeve is moved, the first fixing block is installed on the connecting rod, the first fixing block limits the movement of the rotating sleeve towards the direction close to the first fixing block, and the stability of the rotating sleeve installed on the connecting rod is improved. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1This is a schematic diagram of the overall structure of an embodiment of this application.

[0029] Figure 2 This is a partial structural schematic diagram of an embodiment of this application.

[0030] Figure 3 This is an exploded view of the overall embodiment of this application.

[0031] Figure 4 This is a cross-sectional view of an embodiment of this application.

[0032] Figure 5 This is a partial exploded view of an embodiment of this application.

[0033] Explanation of reference numerals in the attached drawings: 1. Mounting plate; 11. Mounting hole; 12. First mounting block; 121. Mounting groove; 13. Second mounting block; 14. Third mounting block; 2. Connecting rod; 21. First scale line; 22. Threaded groove; 3. Driving component; 31. Oil pipe; 4. Zero-point positioning block; 5. Rotating sleeve; 51. Second scale line; 52. Threaded hole; 6. First fixing block; 61. Threaded rod; 7. Handle; 71. Grip bar; 72. Grip ball. Detailed Implementation

[0034] The following is in conjunction with the appendix Figure 1 -Appendix Figure 5 This application will be described in further detail.

[0035] This application discloses a molding machine mold closing and positioning device.

[0036] like Figure 1 As shown, the system includes a mounting plate 1, a connecting rod 2 slidably connected to the mounting plate 1, and a driving component 3 for driving the connecting rod 2 to slide. The driving component 3 is fixedly connected to one side of the mounting plate 1. The driving component 3 is a hydraulic cylinder, and a controller (not shown in the attached figure) is externally connected to the driving component 3. The signal output terminal of the controller is connected to the signal input terminal of the driving component 3. The output terminal of the driving component 3 passes through the mounting plate 1, and the end of the connecting rod 2 near the driving component 3 is threadedly connected to the output terminal of the driving component 3.

[0037] Combination Figure 1 , Figure 2 and Figure 3As shown, the mounting plate 1 is threadedly connected with four locking pieces (not shown in the figure), which are bolts, and the mounting plate 1 is provided with four mounting holes 11 for threadedly cooperating with the corresponding locking pieces, the number of the mounting holes 11 is four (the number of the mounting holes 11 is selected according to the number of the locking pieces), one locking piece corresponds to one mounting hole 11, and the four mounting holes 11 are respectively located at the four corners of the mounting plate 1. The mounting plate 1 is mounted on the plate through the locking pieces. One side of the driving piece 3 is connected with two oil pipes 31, one side of the mounting plate 1 is fixedly connected with a first mounting block 12, a side of the first mounting block 12 away from the mounting plate 1 is detachably connected with a second mounting block 13, a side of the second mounting block 13 away from the first mounting block 12 is detachably connected with a third mounting block 14, and the opposite sides of the first mounting block 12 and the second mounting block 13 and the opposite sides of the second mounting block 13 and the third mounting block 14 are respectively provided with mounting grooves 121 for cooperating with the corresponding oil pipes 31. The first mounting block 12, the second mounting block 13 and the third mounting block 14 are connected through bolts.

[0038] In combination with Figure 3 , Figure 4 and Figure 5 As shown, the output end of the driving piece 3 is threadedly connected with a zero point positioning block 4, and the zero point positioning block 4 is located between the driving piece 3 and the connecting rod 2. The connecting rod 2 is threadedly connected with a rotating sleeve 5, the outer circumferential surface of the connecting rod 2 is fixedly connected with a first scale line 21, the first scale line 21 is distributed along the length direction of the connecting rod 2, the outer circumferential surface of the rotating sleeve 5 is fixedly connected with a second scale line 51, the second scale line 51 is distributed around the axis of the rotating sleeve 5, and the second scale line 51 is located at one end of the rotating sleeve 5 close to the zero point positioning block 4. A side of the connecting rod 2 away from the driving piece 3 is detachably connected with a first fixing block 6, the first fixing block 6 is in a cylindrical shape, and the rotating sleeve 5 is located between the zero point positioning block 4 and the first fixing block 6. A side of the first fixing block 6 close to the rotating sleeve 5 is provided with a threaded rod 61 which is integrally formed with the first fixing block 6, and a side of the connecting rod 2 away from the zero point positioning block 4 is provided with a threaded groove 22 for threadedly cooperating with the threaded rod 61. When the position of the rotating sleeve 5 is determined, the first fixing block 6 is rotated towards the rotating sleeve 5 until the first fixing block 6 abuts against the rotating sleeve 5, the first fixing block 6 limits the rotating sleeve 5 from rotating away from the zero point positioning block 4, and the stability of the rotating sleeve 5 on the connecting rod 2 is improved

[0039] In combination with Figure 3 , Figure 4 and Figure 5As shown, the outer periphery of the rotating sleeve 5 is threadedly connected with a handle 7, which comprises a handle rod 71 and a handle ball 72 arranged on the handle rod 71, and the handle rod 71 is integrally formed with the handle ball 72. The rotating sleeve 5 is provided with four threaded holes 52 which are uniformly distributed around the axis of the rotating sleeve 5, and the handle rod 71 is threadedly connected with the threaded holes 52. The outer periphery of the connecting rod 2 and the first fixing block 6 are also provided with four threaded holes 52, and the handle 7 can be installed on the connecting rod 2 or the first fixing block 6 through the corresponding threaded holes 52.

[0040] In other embodiments, the outer periphery of the connecting rod 2 is connected with a second fixing block (not shown in the drawings), and the first fixing block 6 can move along the length direction of the connecting rod 2. The second fixing block is located between the zero point positioning block 4 and the rotating sleeve 5, and the rotating sleeve 5 is located between the second fixing block and the first fixing block 6. When the position of the rotating sleeve 5 is determined, the second fixing block is rotated towards the direction close to the rotating sleeve 5 until the second fixing block abuts against the rotating sleeve 5, and the second fixing block limits the rotating sleeve 5 from rotating towards the direction close to the zero point positioning block 4, thereby improving the stability of the rotating sleeve 5 on the connecting rod 2.

[0041] The implementation principle of the mold closing positioning device of the molding machine according to the embodiments of the present application is as follows:

[0042] Before the first production, the zero point alignment operation needs to be performed. First, the movable mold and the fixed mold are attached, the rotating sleeve 5 is rotated so that the rotating sleeve 5 is located at the end of the connecting rod 2 closest to the zero point positioning block 4, and the first fixing block 6 is rotated so that the first fixing block 6 abuts against the rotating sleeve 5. The driving member 3 drives the output end of the driving member 3 to extend, the output end of the driving member 3 moves the maximum stroke, the connecting rod 2 is rotated so that the side of the first fixing block 6 away from the rotating sleeve 5 abuts against the movable mold, at this time, the zero point positioning block 4 is rotated towards the direction close to the rotating sleeve 5 so that the zero point positioning block 4 abuts against the connecting rod 2, and the zero point alignment is completed.

[0043] When the distance between the movable mold and the fixed mold is adjusted according to the product in the later stage, the first fixing block 6 is loosened first so that the first fixing block 6 is separated from the rotating sleeve 5, then the rotating sleeve 5 is rotated, and the distance moved by the rotating sleeve 5 can be known according to the first scale line 21 and the second scale line 51. When the rotating sleeve 5 moves to the corresponding position, the first fixing block 6 is rotated towards the direction close to the rotating sleeve 5 so that the first fixing block 6 abuts against the rotating sleeve 5. When the movable mold slides towards the direction close to the fixed mold, the movable mold abuts against the first fixing block 6, and the distance moved by the rotating sleeve 5 is the distance between the movable mold and the fixed mold.

[0044] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, and therefore: any equivalent changes made according to the structure, shape and principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A mold clamping positioning device for a molding machine, characterized by: The utility model provides a kind of connecting rod (2) and drive member (3) for driving the connecting rod (2) sliding, the output end of the drive member (3) is threadedly connected with zero point positioning block (4), the connecting rod (2) is threadedly connected with the output end of the drive member (3), the zero point positioning block (4) is between the drive member (3) and the connecting rod (2), the connecting rod (2) is threadedly connected with rotating sleeve (5).

2. The molding machine clamp positioning apparatus of claim 1 wherein: The end of the connecting rod (2) away from the drive member (3) is detachably connected with first fixed block (6), the rotating sleeve (5) is between the zero point positioning block (4) and the first fixed block (6), and the first fixed block (6) is used to abut against the rotating sleeve (5).

3. The molding machine clamp positioning apparatus of claim 2 wherein: The first fixed block (6) is provided with a threaded rod (61), and the connecting rod (2) is provided with a threaded groove (22) for threadedly cooperating with the threaded rod (61).

4. The molding machine clamp positioning apparatus of claim 1 wherein: The connecting rod (2) is connected with a first scale line (21), and the first scale line (21) is distributed along the length direction of the connecting rod (2). The outer circumferential surface of the rotating sleeve (5) is connected with a second scale line (51), and the second scale line (51) is distributed around the axis of the rotating sleeve (5).

5. The molding press clamp positioning apparatus of claim 1 wherein: The outer circumferential surface of the rotating sleeve (5) is connected with a handle (7).

6. The molding machine clamp positioning apparatus of claim 5 wherein: The handle (7) is threadedly connected with the rotating sleeve (5), and the rotating sleeve (5) is provided with a threaded hole (52) for threadedly connecting with the handle (7).

7. The molding machine clamp positioning apparatus of claim 6 wherein: The threaded hole (52) has a plurality of threaded holes (52) uniformly distributed around the axis of the rotating sleeve (5).

8. The molding press clamp positioning apparatus of claim 1 wherein: Further comprising a mounting plate (1), the drive member (3) is connected to the mounting plate (1), and the mounting plate (1) is threadedly connected with a plurality of locking members. The mounting plate (1) is provided with a mounting hole (11) for threadedly cooperating with the corresponding locking member.

9. The molding press clamp positioning apparatus of claim 1 wherein: The drive member (3) is an oil cylinder.

10. The molding press clamp positioning apparatus of claim 2 wherein: The connecting rod (2) is threadedly connected with a second fixed block, the second fixed block is between the zero point positioning block (4) and the rotating sleeve (5), the rotating sleeve (5) is between the second fixed block and the first fixed block (6), and the second fixed block is used to abut against the rotating sleeve (5).

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