Balance block electric adjusting device and system thereof

Abstract

The invention discloses a balance block electric adjusting device and system, the balance block electric adjusting device comprises a shell, a base, an upper cover pressing ring, a balance block ejector rod, a turbine nut, a worm and a rotation driving device, the rotation driving device can drive the worm to rotate, and therefore the balance block ejector rod is driven to ascend and descend through cooperation of the worm and the turbine nut. An electric adjusting mode is adopted, the adjusting precision is high, the defects that in the debugging process, a worker repeatedly disassembles a balance block and adjusts the height of the balance block in a gasket adding mode are overcome, the working efficiency is improved, the labor intensity is lowered, the occupied time for debugging a press is shortened, and in the batch production process, the production efficiency is improved. The downtime caused by adjusting the height of the balance block can be reduced or downtime can be avoided.

Description

Technical Field

[0001] The invention relates to the technical field of stamping dies, and more specifically to an electric adjustment device for a balancing block and a system thereof. Background Art

[0002] In some stamping dies, in order to ensure that qualified parts are drawn, it is usually necessary to design a balancing block on the stamping die to balance the punching force on the parts. According to the shape of the parts, stamping dies are generally equipped with multiple balancing blocks. In the past, the installation and debugging of balancing blocks were all done manually, requiring assemblers to repeatedly disassemble the balancing blocks and adjust the height of the balancing blocks by adding shims, thereby adjusting the gap between the upper die and the blank holder of the stamping die. However, this adjustment and installation method has problems such as long debugging time, low work efficiency and high labor intensity. In addition, in the process of mass production, the manual adjustment of the height of the balancing blocks will cause long downtime, affecting production efficiency. Summary of the invention

[0003] The purpose of the present invention is to overcome the above-mentioned defects in the prior art and to provide a balancing weight electric adjustment device and system thereof which adopts an electric adjustment method, has high adjustment accuracy, can reduce debugging time, improve work efficiency, and reduce labor intensity.

[0004] To achieve the above-mentioned purpose, the first aspect of the present invention provides an electric adjustment device for a balancing weight, comprising a shell, a base, an upper cover pressure ring, a balancing weight push rod, a turbine nut, a worm and a rotation drive device, wherein the base is installed at the bottom of the shell, the upper cover pressure ring is installed at the top of the shell, the lower end rod body of the balancing weight push rod passes downward through the central through hole of the upper cover pressure ring and is inserted into the interior of the shell, the outer wall of the lower end rod body of the balancing weight push rod is provided with an external thread, the turbine nut is rotatably installed in the interior of the shell and is located below the upper cover pressure ring, the inner hole wall of the turbine nut is provided with an internal thread, and the turbine nut The outer wall of the worm gear is provided with a turbine gear position, the internal thread of the turbine nut cooperates with the external thread of the balancing block push rod to realize a threaded connection, and the side of the shell is provided with a transversely arranged worm mounting portion, the interior of the worm mounting portion is connected with the interior of the shell, the worm can be rotatably mounted inside the worm mounting portion, the worm gear position on the worm gear is meshed with the turbine gear position of the turbine nut, one end of the worm gear extends out of the outside of the worm mounting portion and is connected to the output shaft of the rotation driving device, and the rotation driving device can drive the worm gear to rotate, thereby driving the balancing block push rod to rise and fall through the cooperation between the worm gear and the turbine nut.

[0005] Preferably, the balancing weight push rod is configured as a push rod with a T-shaped cross-section.

[0006] Preferably, the rotary drive device is configured as a motor, and the output shaft of the motor is connected to the worm through a coupling.

[0007] Preferably, the rotary drive device is connected to the outer wall of the worm mounting portion via a connecting seat.

[0008] Preferably, fixing protrusions are respectively provided on two opposite sides of the base, and each fixing protrusion is provided with a mounting hole.

[0009] Preferably, a sealing ring is provided on the top of the upper cover pressure ring.

[0010] The second aspect of the present invention provides a balancing block electric adjustment system, comprising a control device and the balancing block electric adjustment device described in the above technical solution, wherein the control device is electrically connected to the rotation drive device of the balancing block electric adjustment device, and the control device is used to convert the lifting height value of the balancing block into the number of revolutions of the output shaft of the rotation drive device, thereby controlling the operation of the rotation drive device.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. The structure of the present invention is simple and the design is reasonable. The worm gear system can be driven to operate by a rotating drive device, thereby driving the balancing block top rod to move up and down, so as to drive the balancing block to be raised and lowered to a set height. By reasonably adjusting the height of the balancing block, the flow of the drawing forming material can be controlled to achieve the effect of stable forming of the stamping parts. The present invention adopts an electric adjustment method with high adjustment accuracy, which overcomes the shortcomings of workers repeatedly disassembling the balancing block and adjusting the height of the balancing block by adding gaskets during the debugging process, improves work efficiency, reduces labor intensity, and reduces the time occupied by the debugging press. In the process of mass production, the downtime caused by the need to adjust the height of the balancing block can be reduced or can be avoided.

[0013] 2. The present invention adopts a worm gear as a transmission component, which has the advantages of compact structure, large transmission ratio, smooth transmission, low noise, etc. When the lead angle of the worm gear is very small, it can also achieve reverse stroke self-locking. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 The structure of the electric adjustment device for the balancing weight provided by the embodiment of the present invention is shown in FIG. Figure 1 ;

[0016] Figure 2The structure of the electric adjustment device for the balancing weight provided by the embodiment of the present invention is shown in FIG. Figure 2 ;

[0017] Figure 3 is a cross-sectional view of the electric adjustment device for the balancing weight provided by the embodiment of the present invention when the top rod of the balancing weight is not raised or lowered;

[0018] Figure 4 is a cross-sectional view of the electric adjustment device for the balancing weight provided by the embodiment of the present invention when the top rod of the balancing weight is raised or lowered;

[0019] Figure 5 is a cross-sectional view of a balancing weight electric adjustment device provided by an embodiment of the present invention and equipped with a sealing ring;

[0020] Figure 6 It is a block diagram of a connection module between a balancing weight electric adjustment device and a control device provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Embodiment 1

[0023] Please refer to Figure 1 and Figure 2 Embodiment 1 of the present invention provides a balancing weight electric adjustment device, including a housing 1, a base 2, an upper cover pressure ring 3, a balancing weight push rod 4, a turbine nut 5, a worm 6 and a rotation drive device 7. The various components of this embodiment are described in detail below in conjunction with the accompanying drawings.

[0024] like Figures 1 to 3 As shown, the interior of the housing 1 is hollow, and a worm mounting portion 11 disposed laterally is provided on the side of the housing 1 , and the interior of the worm mounting portion 11 is communicated with the interior of the housing 1 .

[0025] like Figures 1 to 3 As shown, the upper cover pressure ring 3 is configured as an annular structure with L-shaped cross sections on both sides. The upper cover pressure ring 3 is installed on the top of the outer shell 1, and the lower end of the upper cover pressure ring 3 can extend into the inner part of the outer shell to limit the turbine nut 5.

[0026] like Figures 1 to 3As shown, the base 2 is mounted on the bottom of the housing 1. Preferably, two opposite sides of the base 2 may be provided with fixing protrusions 21, and each fixing protrusion 21 may be provided with a mounting hole 22. When fixing, screws may be installed at the position of the mounting hole 22 to fix the base 2 to the mounting surface.

[0027] like Figure 3 As shown, the balancing weight top rod 4 can be set as a top rod with a T-shaped cross-section, and the outer wall of the lower end rod body of the balancing weight top rod 4 is provided with an external thread, and the lower end rod body of the balancing weight top rod 4 can be inserted downward through the central through hole of the upper cover pressure ring 3 into the interior of the outer shell 1.

[0028] like Figure 3 As shown, the turbine nut 5 is rotatably mounted inside the housing 1 and is located below the upper cover pressure ring 3. The inner hole wall of the turbine nut 5 is provided with an internal thread, and the outer wall of the turbine nut 5 is provided with a turbine tooth position. The internal thread of the turbine nut 5 cooperates with the external thread of the balancing block top rod 4 to realize a threaded connection.

[0029] like Figure 1 and Figure 3 As shown, the worm 6 is rotatably mounted inside the worm mounting portion 11, the worm teeth on the worm 6 can mesh with the turbine teeth of the turbine nut 5, and one end of the worm 6 extends out of the worm mounting portion 11 and is connected to the output shaft of the rotary drive device 7.

[0030] like Figure 1 As shown, the rotary drive device 7 can be connected to the outer wall of the worm mounting portion 11 through the connecting seat 8. The rotary drive device 7 can be preferably configured as a motor, and the output shaft of the motor can be connected to the worm 6 through a coupling.

[0031] like Figure 3 and Figure 4 As shown, when working, the rotary drive device 7 can drive the worm 6 to rotate, and the worm 6 can drive the turbine nut 5 to rotate, thereby driving the balancing block push rod 4 to move up and down through the turbine nut 5, and the balancing block push rod 4 can drive the balancing block on the mold to move up and down.

[0032] In addition, as a further improvement of this embodiment, Figure 5 As shown, in order to improve the sealing performance, an O-shaped rubber sealing ring 9 may be further provided on the top of the upper cover pressure ring 3 .

[0033] Embodiment 2

[0034] Please refer to Figure 6 The second embodiment of the present invention provides a balancing weight electric adjustment system, including a control device 200 and the balancing weight electric adjustment device 100 described in the first embodiment above. The structure and principle of the balancing weight electric adjustment device 100 will not be described in detail.

[0035] In this embodiment, the control device 200 can be electrically connected to the rotary drive device 7 (i.e., the motor) of the balancing block electric adjustment device 100, and the control device 200 is used to convert the lifting height value of the balancing block into the number of revolutions of the output shaft of the rotary drive device 7, thereby controlling the operation of the rotary drive device 7. The control device 200 can be driven by an external signal (wired / wireless) and control the rotary drive device 7 to rotate and drive the worm gear system to operate, thereby realizing the lifting and lowering of the balancing block to a predetermined height.

[0036] In summary, the balancing weight electric adjustment device of the present invention has the following advantages:

[0037] 1. The electric adjustment method has high adjustment accuracy, which overcomes the shortcomings of workers repeatedly disassembling the balancing block and adjusting the height of the balancing block by adding gaskets during the debugging process, improves work efficiency, reduces labor intensity, and reduces the time occupied by the debugging press. In the mass production process, it can reduce the downtime caused by the need to adjust the height of the balancing block or avoid downtime.

[0038] 2. The worm gear is used as the transmission component, which has the advantages of compact structure, large transmission ratio, smooth transmission and low noise. When the lead angle of the worm gear is very small, it can also achieve reverse stroke self-locking.

[0039] 3. Compared with the manual adjustment method, the manual adjustment time of the balance block can be saved by about 1 hour / piece each time. Based on 10 sets of molds for a new model and 10 debuggings for each part during the production ramp-up phase, 100 hours of press line downtime can be saved, which is equivalent to about 500,000 yuan.

[0040] 4. It can cooperate with the mold drawing state monitoring system to realize intelligent and automatic adjustment of the balance block according to the quality of the parts, improve the forming quality of the parts, and avoid the cracking and scrapping of the parts and the wrinkling and rework workload.

[0041] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A balancing weight electric adjustment device, characterized in that: The invention comprises a housing (1), a base (2), an upper cover pressure ring (3), a balancing block push rod (4), a turbine nut (5), a worm (6) and a rotation driving device (7), wherein the base (2) is mounted on the bottom of the housing (1), the upper cover pressure ring (3) is mounted on the top of the housing (1), the lower end rod body of the balancing block push rod (4) passes downward through the central through hole of the upper cover pressure ring (3) and is inserted into the interior of the housing (1), the outer wall of the lower end rod body of the balancing block push rod (4) is provided with an external thread, the turbine nut (5) is rotatably mounted inside the housing (1) and is located below the upper cover pressure ring (3), the inner hole wall of the turbine nut (5) is provided with an internal thread, the outer wall of the turbine nut (5) is provided with a turbine tooth position, and the turbine nut (5) is provided with a turbine tooth position. The internal thread of the female (5) cooperates with the external thread of the balancing block top rod (4) to realize a threaded connection. A worm mounting portion (11) is arranged transversely on the side of the housing (1). The interior of the worm mounting portion (11) is connected to the interior of the housing (1). The worm (6) is rotatably mounted inside the worm mounting portion (11). The worm teeth on the worm (6) are meshed with the turbine teeth of the turbine nut (5). One end of the worm (6) extends out of the worm mounting portion (11) and is connected to the output shaft of the rotary drive device (7). The rotary drive device (7) can drive the worm (6) to rotate, thereby driving the balancing block top rod (4) to rise and fall through the cooperation between the worm (6) and the turbine nut (5).

2. The electric adjustment device for balancing weight according to claim 1, characterized in that: The balancing weight push rod (4) is configured as a push rod with a T-shaped cross section.

3. The electric adjustment device for balancing weight according to claim 1, characterized in that: The rotary drive device (7) is configured as a motor, and the output shaft of the motor is connected to the worm (6) via a coupling.

4. The electric adjustment device for balancing weight according to claim 1, characterized in that: The rotary drive device (7) is connected to the outer wall of the worm mounting portion (11) via a connecting seat (8).

5. The electric adjustment device for balancing weight according to claim 1, characterized in that: The base (2) is provided with fixing protrusions (21) on opposite sides, and each fixing protrusion (21) is provided with a mounting hole (22).

6. The electric adjustment device for balancing weight according to claim 1, characterized in that: A sealing ring (9) is provided on the top of the upper cover pressure ring (3).

7. A balancing weight electric adjustment system, characterized in that: It comprises a control device and the electric adjustment device for a balancing weight as claimed in any one of claims 1 to 6, wherein the control device (200) is electrically connected to a rotation drive device (7) of the electric adjustment device for the balancing weight, and the control device (200) is used to convert the lifting height value of the balancing weight into the number of revolutions of the output shaft of the rotation drive device (7), thereby controlling the operation of the rotation drive device (7).

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