Guide wheel balance adjusting device and diamond wire cutting machine

Abstract

The utility model relates to the technical field of diamond wire cutting machines, in particular to a guide wheel balance adjusting device and a diamond wire cutting machine, the guide wheel balance adjusting device comprises a first rotation driving piece, a swing arm and a guide wheel, one end of the swing arm is fixedly connected to the driving end of the first rotation driving piece, the other end of the swing arm is connected with the guide wheel, and the guide wheel is rotationally connected to the swing arm; the guide wheel balancing device has the advantages that when the guide wheel balancing device is applied to the diamond wire cutting machine, the diamond wire does not need to actively drive the guide wheel to deflect, the technical scheme provides a hardware foundation for the guide wheel to actively match with the extending direction of the diamond wire, and the service life of the guide wheel is prolonged. Therefore, the technical problem of poor reliability caused by balance adjustment of the guide wheel through the balance adjustment screw in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of diamond wire cutting machine especially relates to a guide wheel balance adjusting device and diamond wire cutting machine. BACKGROUND

[0002] With the photovoltaic silicon wafer price decreasing day by day, the wafer factory is higher to slice thin wire and thin slice requirement, the traditional structure of the original slice machine upper balance device, under the condition of cutting steel wire thin line, small tension, cannot satisfy the balance position angle requirement of guide wheel after being pulled by steel wire in high speed cutting process.

[0003] In the prior art, a horizontal balance hammer can be used to adjust the balance of the guide wheel by adjusting the position of the screw, but as the thin wire process continues to advance, the cutting tension is also decreasing.

[0004] Specifically, when the diamond wire cutting device is cutting, the diamond wire on the pay-off wheel becomes less and less, that is, the winding diameter becomes smaller and smaller, so the guide wheel swings around the balance device shaft under the action of the diamond wire. Since the guide wheel is driven by the diamond wire, the guide wheel needs to be balanced to minimize the force on the diamond wire and prevent the diamond wire from breaking due to excessive force or the wire slot of the guide wheel from being worn out and causing the diamond wire to break. Therefore, a balance adjusting screw is used to adjust the balance.

[0005] The guide wheel balance adjusting device has at least the following defects:

[0006] The balance adjusting screw is adjusted manually, so the operator's work proficiency is required.

[0007] The guide wheel swings adaptively by relying on the offset tension of the diamond wire, that is, it swings passively under the pull of the diamond wire, so the guide wheel is still prone to wear during this process.

[0008] Under the condition of thin wire and small tension, the guide wheel cannot be accurately adjusted to the working angle, and it cannot be stopped at any position.

[0009] The balance adjusting screw may slip due to vibration, which may cause failure. UTILITY MODEL CONTENTS

[0010] (I) Technical problem to be solved

[0011] In view of the above-mentioned defects and shortcomings of the prior art, the utility model provides a guide wheel balance adjusting device, which solves the technical problem of poor reliability in the prior art by using a balance adjusting screw to adjust the balance of the guide wheel.

[0012] (II) Technical scheme

[0013] In order to achieve the above object, the utility model adopts the main technical scheme includes:

[0014] First, the utility model provides a kind of guide wheel balance adjusting device, including first rotary drive part, swing arm and guide wheel, one end of swing arm is fixedly connected to the drive end of first rotary drive part, other end is connected with guide wheel and guide wheel is rotatably connected on swing arm;The rotation axis of guide wheel is perpendicular to the rotation axis when the swing arm of first rotary drive part is driven to swing.

[0015] In one technical scheme of the utility model, it further includes telescopic drive part, and the telescopic end of telescopic drive part is drivingly connected with first rotary drive part, and can be telescopic along the direction of the rotation axis when the swing arm of first rotary drive part is driven to swing.

[0016] In one technical scheme of the utility model, wire slot is arranged circumferentially on guide wheel, and the rotation axis when the swing arm of first rotary drive part is driven to swing passes through the extension plane where wire slot is located.

[0017] In one technical scheme of the utility model, first rotary drive part is servo motor.

[0018] In one technical scheme of the utility model, guide wheel includes connecting wheel and wire passing wheel, which are coaxially fixed and detachably connected with each other, and connecting wheel is rotatably connected to swing arm.

[0019] In one technical scheme of the utility model, swing arm includes first connecting section and second connecting section, which are connected with each other, first connecting section is connected with the drive end of first rotary drive part, and second connecting section is connected with guide wheel.

[0020] In one technical scheme of the utility model, weight-reducing hole is arranged on swing arm.

[0021] Second, the utility model provides a kind of diamond wire cutting machine, including guide wheel balance adjusting device in the above technical scheme, further including diamond wire, pay-off wheel, second rotary drive part;Diamond wire is wound on pay-off wheel, and one end of diamond wire passes through guide wheel guide;Second rotary drive part is drivingly connected with pay-off wheel, and the rotation axis of pay-off wheel is perpendicular to the rotation axis of guide wheel.

[0022] In one technical scheme of the utility model, it further includes controller, and controller is communicatively connected with first rotary drive part and second rotary drive part;Controller is also communicatively connected with telescopic drive part;Wherein, controller can control the rotation angle and rotation timing of first rotary drive part, and also can control the telescopic length and telescopic timing of telescopic drive part.

[0023] (Three) beneficial effects

[0024] The utility model discloses a beneficial effect is: the utility model discloses a guide wheel balance adjusting device, first rotary drive piece can through the active operation mode, drive the rotation axis operation of guide wheel around the drive swing arm swing of first rotary drive piece, further can realize the active deflection of guide wheel. In this way, when the guide wheel balancing device is applied to diamond line cutting machine, diamond line need not actively drive guide wheel deflection, and the above technical scheme provides the hardware foundation for the active matching of guide wheel and diamond line's extension direction, and therefore solves the technical problem of poor reliability in the balance adjustment of guide wheel through balance adjusting screw in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is one of structure schematic drawing of the utility model guide wheel balance adjusting device and diamond line cutting machine;

[0026] Figure 2 It is the second structure schematic drawing of the utility model guide wheel balance adjusting device and diamond line cutting machine;

[0027] Figure 3 It is the system block diagram of the utility model swing control loop and telescopic control loop.

[0028]

EXPLANATION OF DRAWINGS

[0029] 1, first rotary drive piece;

[0030] 2, swing arm;21, first connecting section;22, second connecting section;

[0031] 3, guide wheel;31, connecting wheel;32, line passing wheel;

[0032] 4, telescopic drive piece;

[0033] 5, diamond line;

[0034] 6, pay-off wheel;

[0035] 7, second rotary drive piece;

[0036] 8, controller. DETAILED DESCRIPTION

[0037] In order to better explain the utility model, so as to facilitate understanding, the following will be combined with the drawings of the utility model. Figures 1-3 The utility model is described in detail through specific embodiment. In this paper, the orientation of "up", "down" and other directional nouns is referred to the orientation of the drawings. Figure 1

[0038] Example 1:

[0039] Reference Figures 1-3 ​The embodiment of the utility model provides a guide wheel balance adjusting device, including first rotation drive piece 1, swing arm 2 and guide wheel 3, swing arm 2 one end fixed connection in the drive end of first rotation drive piece 1, the other end is rotatably connected with guide wheel 3, the rotation axis of guide wheel 3 is perpendicular with the rotation axis when the drive swing arm 2 of first rotation drive piece 1 swings, and first rotation drive piece 1 is servo motor, and then can make first rotation drive piece 1 have better driving accuracy.

[0040] In the embodiment, the first rotation drive piece 1 can drive the guide wheel 3 to rotate around the rotation axis when the drive swing arm 2 of the first rotation drive piece 1 swings through active operation, thereby actively deflecting the guide wheel 3. In this way, when the guide wheel 3 balancing device is applied to the diamond wire cutting machine, the diamond wire 5 does not need to actively drive the guide wheel 3 to deflect. The above technical solution provides a hardware basis for the guide wheel 3 to actively match the extension direction of the diamond wire 5, thus solving the technical problem of poor reliability in the prior art that the balance adjusting screw is used to balance the guide wheel 3.

[0041] Specifically, the first rotation drive piece 1 is a component that drives the swing arm 2 and the guide wheel 3 to move. Through active operation, it can drive the entire swing arm 2 and the guide wheel 3 to rotate around its rotation axis. The drive end of the first rotation drive piece 1 is connected between the drive end and the guide wheel 3, and plays a role in transmitting motion and force. The guide wheel 3 is rotatably connected to the swing arm 2, and its rotation axis is perpendicular to the rotation axis when the drive swing arm 2 of the first rotation drive piece 1 swings, so that the guide wheel 3 can be deflected under the drive of the swing arm 2.

[0042] When the first rotation drive piece 1 actively operates, it drives the guide wheel 3 to rotate around its rotation axis through the swing arm 2, thereby deflecting the guide wheel 3. This deflection can actively match the extension direction of the diamond wire 5, so that the diamond wire 5 can more stably and accurately contact the guide wheel 3 during the cutting process, thereby reducing the wear of the guide wheel 3 and the diamond wire 5.

[0043] By actively driving the guide wheel 3 to deflect, the instability and the problem of heavy wear of the diamond wire 5 and the guide wheel 3 existing in the technical solution that relies on the movement of the diamond wire 5 itself to drive the guide wheel 3 to swing are avoided, thereby improving the reliability of the entire system.

[0044] The device can actively adapt to diamond wires 5 with different extension directions, making the cutting process more flexible and efficient.

[0045] Since the direct friction and wear between the diamond wire 5 and the guide wheel 3 are reduced, the service life of the equipment is prolonged, and the maintenance work is simplified.

[0046] The guide wheel 3 is provided with a wire slot in the circumferential direction, and the rotation axis of the driving swing arm 2 of the first rotation driving member 1 passes through the extension plane of the wire slot, so that the swing axis and swing track of the guide wheel 3 are more clear and controllable during the deflection adjustment, and the control difficulty of the swing of the guide wheel 3 is reduced.

[0047] Embodiment 2

[0048] With reference to Figures 1-3 In addition to the above-mentioned technical solutions, the embodiments of the utility model further have the following technical solutions.

[0049] The telescopic driving member 4 is drivingly connected to the first rotation driving member 1 at the telescopic end and can be telescoped along the direction of the rotation axis of the driving swing arm 2 of the first rotation driving member 1.

[0050] In the embodiment, the telescopic driving member 4 can drive the guide wheel 3 to telescope, thereby increasing the degree of freedom of the guide wheel 3 adjustment process, and providing a hardware basis for the guide wheel 3 to match the larger angle change of the diamond wire 5 under different working conditions through the active movement of the guide wheel 3, thereby improving the use reliability and flexibility of the guide wheel balancing adjustment device.

[0051] Specifically, the introduction of the telescopic driving member 4 enables the guide wheel 3 to not only perform deflection adjustment but also perform telescopic adjustment in the vertical direction of the rotation axis of the first rotation driving member 1. This multi-dimensional adjustment capability provides more possibilities for the guide wheel 3 to match the angle and position changes of the diamond wire 5 under different working conditions.

[0052] The telescopic function enables the guide wheel 3 to respond more quickly to the changes in the extension direction of the diamond wire 5, especially under large-angle adjustment or complex working conditions, the guide wheel 3 can actively adjust the position to ensure the optimal contact state with the diamond wire 5, thereby improving the cutting efficiency and quality.

[0053] By actively adjusting the position and angle of the guide wheel 3, the direct friction and wear between the diamond wire 5 and the guide wheel 3 are reduced, and the service life of the equipment is prolonged. At the same time, this active adjustment method also reduces equipment failures caused by uneven tension or direction changes of the diamond wire 5, and improves the reliability of the entire system.

[0054] Embodiment 3

[0055] With reference to Figures 1-3 In addition to the above-mentioned technical solutions, the embodiments of the utility model further have the following technical solutions.

[0056] The guide wheel 3 comprises a connecting wheel 31 and a wire passing wheel 32 which are coaxially fixed and detachably connected with each other, the connecting wheel 31 is rotationally connected to the swing arm 2, the wire passing wheel 32 is a consumable part, the strength of which is far less than that of the diamond wire 5, and the wire passing wheel 32 is a light wheel, thereby the rotational inertia of the guide wheel 3 as a whole can be reduced, and the abrasion of the diamond wire 5 can be reduced. The detachable connection can facilitate the staff to regularly replace the wire passing wheel 32.

[0057] Embodiment 4:

[0058] With reference to Figures 1-3 In addition to the above-mentioned technical solutions, the embodiment of the utility model further has the following technical solutions:

[0059] The swing arm 2 comprises a first connecting section 21 and a second connecting section 22 which are connected with each other, the first connecting section 21 is connected with the driving end of the first rotation driving member 1, and the second connecting section 22 is connected with the guide wheel 3. The swing arm 2 is provided with a lightening hole, so as to reduce the whole weight of the swing arm 2, thereby the inertia of the swing arm 2 when swinging can be reduced, and the adjustment accuracy of the device can be improved.

[0060] The swing arm 2 adopts a split structure, so that the swing arm 2 can better make room for the dismounting process of the guide wheel 3; for example, when the guide wheel 3 is dismounted, the second connecting section 22 can be dismounted on the first connecting section 21, so as to obtain sufficient operation space, thereby the operation convenience and operation efficiency can be improved.

[0061] Embodiment 5:

[0062] With reference to Figures 1-3 In addition to the above-mentioned technical solutions, the embodiment of the utility model further has the following technical solutions:

[0063] In the embodiment, through theoretical calculation, the included angle formed by the diamond wire 5 and the wire reel 6 in the idle reel state or the full reel state after the guide wheel 3 is wound around the diamond wire 5 can be obtained through drawings, and the origin position, i.e. the full reel position, is calibrated.

[0064] During the cutting and consumption of the diamond wire 5, the theoretical position of the guide wheel 3 relative to the diamond wire 5, in which the angle is unchanged, is obtained through the change of the winding diameter of the wire reel 6 by means of theoretical calculation. The actual position of the guide wheel 3 relative to the wire reel 6 is adjusted through the theoretical position. The adjustment action can be performed by the first rotation driving member 1 and the telescopic driving member 4.

[0065] Further, a controller 8 is further included, which is in communication connection with the first rotating driving member 1 and the second rotating driving member 7. The controller 8 is also in communication connection with the telescopic driving member 4. The controller 8 can control and associate logical control, that is, the above-mentioned control principle is integrated on a predetermined logical program, so that the swing angle of the guide wheel 3 can change with the consumption of the diamond wire 5 and the change of the included angle, and the control is more accurate.

[0066] Specifically, only the associated control on the software control, that is, the swing control loop and the telescopic control loop are used, the angle deviation of the guide wheel 3 can be more accurate, the counterweight adjustment is not needed, the guide wheel 3 will not be abraded due to the angle problem, the service life of the vulnerable parts is increased, and many uncertain factors caused by manual adjustment are reduced. For thin wires, the diamond wire 5 does not pull the guide wheel 3 to adapt to the change of the angle in operation, the angle is changed through conversion, which is more accurate and reliable. After use, the wire breaking rate is reduced, manual adjustment is reduced, and the degree of automation is improved.

[0067] Specifically, the diamond wire 5 is used as a cutting tool, is wound on the pay-off wheel 6, and is guided by the guide wheel 3 to cut. The pay-off wheel 6 is used for storing and releasing the diamond wire 5, and the rotating axis thereof is perpendicular to the rotating axis of the guide wheel 3, so that the stability and accuracy in the cutting process are ensured. The second rotating driving member 7 drives the pay-off wheel 6 to rotate, and releases the diamond wire 5 to cut.

[0068] The controller 8 is in communication connection with the first rotating driving member 1, the second rotating driving member 7 and the telescopic driving member 4, forms a complete control system, and the controller 8 can control the rotating angle and rotating time of the first rotating driving member 1, and can also control the telescopic length and telescopic time of the telescopic driving member 4.

[0069] Through the built-in software logic, the controller 8 can monitor the consumption of the diamond wire 5 in real time, and adjust the swing angle and telescopic position of the guide wheel 3 according to a preset algorithm, so that the stability and accuracy in the cutting process are ensured.

[0070] It can be understood that, except for the parts in conflict, the above-mentioned embodiments 1-5 can be freely combined to form other embodiments of the utility model.

[0071] In the description of the utility model, it should be understood that the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0072] In the utility model, unless another definite provision and limitation, the term " install ", " link ", " connect ", " fixed " and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated; can be mechanical connection, also can be electrical connection; can be direct connection, also can pass through intermediate medium indirectly connect; can be two element inside communication or two element's mutual action relation. For ordinary skilled person in the art, can understand the concrete meaning of above-mentioned term in the utility model according to specific circumstances.

[0073] In the utility model, unless another definite provision and limitation, first feature is " on " or " under " second feature, can be first and second feature direct contact, or first and second feature indirectly contact by intermediate medium. Moreover, first feature is " above ", " over " and " on " second feature, can be first feature is directly above or obliquely above second feature, or just indicate that the horizontal height of first feature is higher than second feature. First feature is " below ", " under " and " on " second feature, can be first feature is directly below or obliquely below second feature, or just indicate that the horizontal height of first feature is lower than second feature.

[0074] The term " comprising " or any other similar phrase is intended to encompass non-exclusive inclusion, so that the process, article or equipment / device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes the elements inherent to the process, article or equipment / device.

[0075] So far, the technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Without deviating from the principles of the utility model, those skilled in the art can make equivalent changes or replacements to related technical features, and the technical scheme after these changes or replacements will fall within the protection scope of the utility model.

Claims

1. A guide wheel balance adjustment device, characterized by: It comprises a first rotating driving member (1), a swing arm (2) and a guide wheel (3), one end of the swing arm (2) is fixedly connected to the driving end of the first rotating driving member (1), and the other end is rotatably connected to the guide wheel (3). The rotating axis of the guide wheel (3) is perpendicular to the rotating axis of the first rotating driving member (1) when the swing arm (2) swings.

2. The guide wheel balance adjustment device of claim 1, wherein: It further comprises a telescopic driving member (4), the telescopic end of the telescopic driving member (4) is drivingly connected to the first rotating driving member (1) and can be telescoped along the direction of the rotating axis of the first rotating driving member (1) when the swing arm (2) swings.

3. A guide wheel balance adjustment device as claimed in claim 1 or 2, characterised in that: A wire slot is formed on the guide wheel (3) in the circumferential direction, and the rotating axis of the first rotating driving member (1) when the swing arm (2) swings passes through the extension plane where the wire slot is located.

4. The guide wheel balance adjustment device of claim 3, wherein: The first rotating driving member (1) is a servo motor.

5. The guide wheel balance adjustment device of claim 3, wherein: The guide wheel (3) comprises a connecting wheel (31) and a wire passing wheel (32) which are coaxially fixed and detachably connected to each other, and the connecting wheel (31) is rotatably connected to the swing arm (2).

6. The guide wheel balance adjustment device of claim 5, wherein: The swing arm (2) comprises a first connecting section (21) and a second connecting section (22) which are connected to each other, the first connecting section (21) is connected to the driving end of the first rotating driving member (1), and the second connecting section (22) is connected to the guide wheel (3).

7. The guide wheel balance adjustment device of claim 6, wherein: A weight-reducing hole is formed on the swing arm (2).

8. A diamond wire cutting machine comprising the guide wheel balance adjusting device according to any one of claims 2-7, and further comprising a diamond wire (5), a wire releasing wheel (6) and a second rotating driving member (7). The diamond wire (5) is wound on the wire releasing wheel (6), and one end of the diamond wire (5) passes through the guide wheel (3) for guidance. The second rotating driving member (7) is drivingly connected to the wire releasing wheel (6), and the rotating axis of the wire releasing wheel (6) is perpendicular to the rotating axis of the guide wheel (3).

9. The diamond wire saw as claimed in claim 8, characterized in that: It further comprises a controller (8) which is communicatively connected to the first rotating driving member (1) and the second rotating driving member (7), and is further communicatively connected to the telescopic driving member (4). The controller (8) can control the rotating angle and rotating timing of the first rotating driving member (1), and can also control the telescopic length and telescopic timing of the telescopic driving member (4).

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