Single-cantilever diamond wire cutting machine

Abstract

The utility model relates to a single-cantilever diamond wire cutting machine which comprises a base and a shell, a Y-axis mechanism and a Z-axis mechanism are arranged in the shell, the Z-axis mechanism comprises a Z-axis support, a Z-axis driving mechanism and a Z-axis sliding block, a Z-axis sliding rail is arranged on the Z-axis support, and the Z-axis driving mechanism is used for driving the Z-axis sliding block to ascend and descend along the Z-axis sliding rail; the Y-axis mechanism comprises a Y-axis sliding rail, a Y-axis driving mechanism and a Y-axis sliding block, the Y-axis driving mechanism is used for driving the Y-axis sliding block to move horizontally along the Y-axis sliding rail, the bottom of the Z-axis support is connected to the Y-axis sliding block, the Z-axis sliding block extends in the X-axis direction to be provided with a cantilever, the cantilever is provided with a wire cutting mechanism, and the wire cutting mechanism comprises a driving wire wheel, a driven wire wheel and a cutting wire. According to the single-cantilever diamond wire cutting machine, the single cantilever is adopted to replace an existing gantry type structure, compared with the prior art, a vertical supporting stand column is omitted, the overall size is reduced, the single-cantilever structure is convenient to install, the precision is easily guaranteed, and the requirement of small equipment is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to diamond wire cutting machine technical field, concretely relates to a single cantilever diamond wire cutting machine. BACKGROUND

[0002] The diamond wire cutting machine adopts the mode of one-way circulation or reciprocating circulation of diamond wire, forms relative grinding motion between the diamond wire and the cut object, and thus realizes the cutting purpose. For cutting of relatively long workpieces, a gantry type arrangement is generally adopted. For example, the utility model patent disclosed in the authorized announcement No. CN215848970U discloses a gantry type rotatable cutting rope saw machine. The single crystal silicon rod slicing device disclosed in the authorized announcement No. CN 208645714U is used for cutting a single crystal silicon rod, wherein the wire saw is assembled on two vertical slide rails arranged in parallel on the left and right, and is lifted under the drive of the screw nut mechanism. The vertical slide rails on the two sides need to ensure high parallelism during assembly to meet the normal operation of the wire saw. If the installation precision cannot be ensured, the cutting precision of the wire saw will be affected. In addition, for some special occasions, such as small cutting machines used in laboratories, if this kind of gantry type structure is still adopted, the overall size will be relatively large, and it is necessary to optimize the design of the structure for miniaturization. SUMMARY

[0003] The utility model aims at providing a single cantilever diamond wire cutting machine, which meets the needs of miniaturization of the equipment through structure optimization.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A single cantilever diamond wire cutting machine comprises a base and a shell, a Y-axis mechanism and a Z-axis mechanism are arranged in the shell, the Z-axis mechanism comprises a Z-axis support, a Z-axis driving mechanism and a Z-axis sliding block, a Z-axis slide rail is arranged on the Z-axis support, the Z-axis driving mechanism is used for driving the Z-axis sliding block to perform lifting action along the Z-axis slide rail, the Y-axis mechanism comprises a Y-axis slide rail, a Y-axis driving mechanism and a Y-axis sliding block, the Y-axis driving mechanism is used for driving the Y-axis sliding block to perform horizontal motion along the Y-axis slide rail, the bottom of the Z-axis support is connected to the Y-axis sliding block, and a cantilever is arranged on the Z-axis sliding block in the X-axis direction, a wire cutting mechanism is arranged on the cantilever, and the wire cutting mechanism comprises a driving wire wheel, a driven wire wheel and a cutting wire, the cutting wire is arranged around the driving wire wheel and the driven wire wheel.

[0006] Further, the Z-axis driving mechanism and the Y-axis driving mechanism both adopt screw nut mechanisms.

[0007] Further, the upper side and the lower side of the Z-axis sliding block are respectively connected to third and fourth organ cases.

[0008] Further, the Y-axis slider is connected with a first piano cover and a second piano cover on both sides in the translation direction.

[0009] Further, the cantilever comprises a horizontal support plate and a vertical mounting plate, the vertical mounting plate is vertically connected to the lower side of the horizontal support plate, and the wire cutting mechanism is mounted on the vertical mounting plate.

[0010] Further, the cantilever comprises a vertical mounting plate, the driving wire wheel is rotatably arranged on the vertical mounting plate, the rotation axis direction of the driving wire wheel is along the Y-axis direction, the driven wire wheel is rotatably arranged on a driven shaft, the driven shaft is mounted on a tensioning plate through a bearing seat, one end of the driven shaft away from the driven wire wheel penetrates through the tensioning plate, a long hole is arranged on the vertical mounting plate to provide space for the bearing seat to move, a tensioning slot is arranged on the tensioning plate, a tensioning spring is arranged in the tensioning slot, and the tensioning plate is pushed to have a tendency to move away from the driving wire wheel.

[0011] Further, a cover body is arranged on one side of the vertical mounting plate and corresponds to the position of the tensioning plate, an electric push rod is arranged in the cover body, the pushing direction of the electric push rod is along the X-axis direction, one end of the telescopic rod of the electric push rod pushes the cover body, the cylinder body of the electric push rod is fixed on the tensioning plate, and when the telescopic rod of the electric push rod is stretched out, the tensioning plate can be pushed to compress the tensioning spring.

[0012] Further, the tensioning spring is sleeved on a tensioning rod, one end of the tensioning rod is fixed to the inner wall of the cover body, and the other end penetrates through the tensioning plate through the tensioning slot.

[0013] Further, an induction sheet is arranged on the lower side of the tensioning plate, and a photoelectric induction switch is arranged in the cover body and used for sensing the position of the induction sheet.

[0014] The single-cantilevered diamond wire cutting machine has the advantages that:

[0015] The single-cantilevered diamond wire cutting machine adopts a single-cantilevered wire cutting mechanism to replace the existing gantry structure, and thus one vertical supporting column is saved, and the overall volume is reduced. In addition, the single cantilever only needs to be slidably connected with a single vertical sliding rail, and the installation precision of the gantry structure is high and is prone to deformation. The single-cantilevered diamond wire cutting machine is relatively small in size, and the length of the single cantilever is small, and thus the problem of insufficient supporting strength of the single cantilever does not exist. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is an appearance view of the single-cantilevered diamond wire cutting machine;

[0017] Figure 2It is the schematic view of the single-suspension-arm diamond wire cutting machine after removing the shell of the utility model;

[0018] Figure 3 It is Figure 2 The schematic view of the basic removal part structure;

[0019] Figure 4 It is Figure 3 The schematic view of the basic removal driven wire wheel part structure;

[0020] Figure 5 It is the perspective view of the wire cutting mechanism;

[0021] Figure 6 It is the perspective view of the tensioning structure;

[0022] Figure 7 It is the perspective view of the tensioning structure from another angle.

[0023] 1, base; 11, water pan; 12, support table; 13, marble pad; 2, shell; 21, front door; 22, side door; 31, Z-axis support; 32, third organ case; 33, fourth organ case; 34, horizontal support plate; 35, Z-axis driving mechanism; 36, Z-axis sliding block; 41, first organ case; 42, second organ case; 43, Y-axis sliding block; 44, Y-axis driving mechanism; 5, wire cutting mechanism; 51, baffle; 52, driving wire wheel; 53, driven wire wheel; 54, vertical mounting plate; 541, let go long hole; 542, notch; 55, cutting wire; 56, driven shaft; 57, bearing seat; 61, cover body; 62, tensioning plate; 63, electric push rod; 64, guide rail; 65, tensioning rod; 66, tensioning spring; 67, spring seat; 71, photoelectric induction switch; 72, induction sheet; 8, auxiliary plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art belong to the protection scope of the utility model.

[0025] Embodiments of the utility model:

[0026] As Figure 1As shown, a single cantilevered diamond wire cutting machine, including base 1, shell 2, shell 2 is mainly to play the role of overall protection, Y axis mechanism, Z axis mechanism is arranged in the shell 2, for controlling the cutting mechanism in the XYZ coordinate system Y axis, Z axis direction action, to complete the cutting of the workpiece. The front side of the shell 2 is provided with a front door 21, a rear door, a side door 22, the outer side of the front door 21, the rear door, the side door 22 is provided with a handle, the structure of the door is not the protection point of the utility model, will not be described in detail, can adopt the existing magnetic attraction and other ways to open or close the door body. The diamond wire cutting machine of the utility model is a small cutting machine used in laboratory scene, which can cut monocrystalline silicon, mainly cutting products with the size of tens of centimeters in length and width.

[0027] As Figures 2-4 shown, the Y axis mechanism includes Y axis slide rail, Y axis drive mechanism 44, Y axis sliding block 43, Y axis drive mechanism 44 is used for driving Y axis sliding block 43 to move along Y axis slide rail.

[0028] The Y axis sliding block 43 is connected with the first organ case 41 and the second organ case 42 on both sides in the translation direction, and the other end of the first organ case 41 and the second organ case 42 is fixed on the inner wall of the base 1. The first organ case 41 and the second organ case 42 are arranged above the lead screw and the Y axis slide rail of the Y axis drive mechanism 44, which plays a certain protective role and can also prevent water (there is cooling liquid in the cutting process).

[0029] The Z axis mechanism includes Z axis support 31, Z axis drive mechanism 35 and Z axis sliding block 36. The Z axis support 31 is provided with a Z axis slide rail, and the Z axis drive mechanism 35 adopts a lead screw nut mechanism. The bottom of the Z axis support 31 is connected to the Y axis sliding block 43, and the Z axis drive mechanism 35 is used for driving the Z axis sliding block 36 to move up and down along the Z axis slide rail. In the embodiment, the slide rail and the sliding block adopt the existing dovetail groove type matching structure.

[0030] The upper side and the lower side of the Z axis sliding block 36 are connected with the third organ case 32 and the fourth organ case 33 respectively.

[0031] As Figure 2 shown, the base 1 is provided with a support table 12 on one side of the Y axis mechanism, and a marble pad 13 is arranged on the support table 12, and the workpiece to be cut can be placed on the upper side.

[0032] As Figures 1-2 shown, the lower side of the base 1 is provided with a water collecting tray 11, which is similar to a drawer structure and can be pulled out and pushed in, and is used for collecting cooling water left during the cutting process. The cooling water is transported to the cooling liquid nozzle through the water pump and the corresponding pipeline for recycling. According to the actual situation, the cooling water can be replaced regularly. The waste water can be poured out by pulling out the water collecting tray 11.

[0033] As Figures 2-5 shown, the Z-axis slider 36 is provided with a cantilever along the X-axis direction, and the cantilever is provided with a wire cutting mechanism 5, which includes a driving wire wheel 52, a driven wire wheel 53 and a cutting wire 55. The cutting wire 55 is a conventional diamond wire, and the cutting wire 55 is wound around the driving wire wheel 52 and the driven wire wheel 53.

[0034] The cantilever includes a horizontal support plate 34 and a vertical mounting plate 54, which is connected to the lower side of the horizontal support plate 34 vertically. The horizontal support plate 34 and the vertical mounting plate 54 can improve the support strength of the single cantilever. The driving wire wheel 52 is assembled on the vertical mounting plate 54, and the rotation axis direction of the driving wire wheel 52 is along the Y-axis direction. The driving wire wheel 52 is driven by a servo motor, and the driving shaft of the driving wire wheel 52 is assembled on a bearing seat 57, which is fixed to the vertical mounting plate 54. The servo motor and the driving wire wheel 52 are respectively located on both sides of the vertical mounting plate 54, and the housing 2 of the servo motor is fixed to the vertical mounting plate 54. The motor shaft and the driving shaft are coaxially connected through a shaft coupling.

[0035] As Figures 4-6 shown, the driven wire wheel 53 is rotatably assembled on a driven shaft 56, which is installed on a tensioning plate 62 through the bearing seat 57, and the end of the driven shaft 56 away from the driven wire wheel 53 penetrates through the tensioning plate 62. The vertical mounting plate 54 is provided with a long clearance hole 541 to allow the bearing seat 57 to translate, because the vertical mounting plate 54 can move along the X-axis direction and will be used during adjustment.

[0036] As Figure 4 shown, the lower side of the middle part of the vertical mounting plate 54 is provided with a notch 542, so that the cutting wire 55 can enter the workpiece downward during cutting, avoiding the interference between the vertical mounting plate 54 and the workpiece. As Figure 2 shown, one side of the vertical mounting plate 54 is also connected with a baffle 51, which shields the outside of the driving wire wheel 52 and the driven wire wheel 53, and plays a protective role. Similarly, the baffle 51 is also provided with a gap corresponding to the notch 542.

[0037] As Figure 4 , 6As shown in Figs. 7, the tensioning plate 62 is provided with a tensioning notch, which is a side-located U-shaped notch. A tensioning spring 66 is arranged in the tensioning notch, and is used to push the tensioning plate 62 to have a tendency to move away from the driving line wheel 52, so as to achieve the tensioning purpose. Specifically, the tensioning spring 66 is sleeved on a tensioning rod 65, one end of the tensioning rod 65 is fixed to the inner wall of the cover body 61, and the other end passes through the tensioning plate 62 via the tensioning notch. One end of the tensioning rod 65 is connected to a spring seat 67, the spring seat 67 is connected to the inner wall of the cover body 61 by a bolt, and the tensioning spring 66 can be extended and contracted in the axial direction of the tensioning rod 65, but cannot be separated from the tensioning notch. In this embodiment, two sets of tensioning rod 65 and tensioning spring 66 are arranged to improve the tensioning effect.

[0038] As shown in Figs. 7, the tensioning plate 62 is provided with a tensioning notch, which is a side-located U-shaped notch. A tensioning spring 66 is arranged in the tensioning notch, and is used to push the tensioning plate 62 to have a tendency to move away from the driving line wheel 52, so as to achieve the tensioning purpose. Specifically, the tensioning spring 66 is sleeved on a tensioning rod 65, one end of the tensioning rod 65 is fixed to the inner wall of the cover body 61, and the other end passes through the tensioning plate 62 via the tensioning notch. One end of the tensioning rod 65 is connected to a spring seat 67, the spring seat 67 is connected to the inner wall of the cover body 61 by a bolt, and the tensioning spring 66 can be extended and contracted in the axial direction of the tensioning rod 65, but cannot be separated from the tensioning notch. In this embodiment, two sets of tensioning rod 65 and tensioning spring 66 are arranged to improve the tensioning effect. Figures 4 to 7 As shown in Figs. 7, the tensioning plate 62 is provided with a tensioning notch, which is a side-located U-shaped notch. A tensioning spring 66 is arranged in the tensioning notch, and is used to push the tensioning plate 62 to have a tendency to move away from the driving line wheel 52, so as to achieve the tensioning purpose. Specifically, the tensioning spring 66 is sleeved on a tensioning rod 65, one end of the tensioning rod 65 is fixed to the inner wall of the cover body 61, and the other end passes through the tensioning plate 62 via the tensioning notch. One end of the tensioning rod 65 is connected to a spring seat 67, the spring seat 67 is connected to the inner wall of the cover body 61 by a bolt, and the tensioning spring 66 can be extended and contracted in the axial direction of the tensioning rod 65, but cannot be separated from the tensioning notch. In this embodiment, two sets of tensioning rod 65 and tensioning spring 66 are arranged to improve the tensioning effect.

[0039] As shown in Figs. 7, the tensioning plate 62 is provided with a tensioning notch, which is a side-located U-shaped notch. A tensioning spring 66 is arranged in the tensioning notch, and is used to push the tensioning plate 62 to have a tendency to move away from the driving line wheel 52, so as to achieve the tensioning purpose. Specifically, the tensioning spring 66 is sleeved on a tensioning rod 65, one end of the tensioning rod 65 is fixed to the inner wall of the cover body 61, and the other end passes through the tensioning plate 62 via the tensioning notch. One end of the tensioning rod 65 is connected to a spring seat 67, the spring seat 67 is connected to the inner wall of the cover body 61 by a bolt, and the tensioning spring 66 can be extended and contracted in the axial direction of the tensioning rod 65, but cannot be separated from the tensioning notch. In this embodiment, two sets of tensioning rod 65 and tensioning spring 66 are arranged to improve the tensioning effect. Figure 6 7 As shown in Figs. 7, the tensioning plate 62 is provided with a tensioning notch, which is a side-located U-shaped notch. A tensioning spring 66 is arranged in the tensioning notch, and is used to push the tensioning plate 62 to have a tendency to move away from the driving line wheel 52, so as to achieve the tensioning purpose. Specifically, the tensioning spring 66 is sleeved on a tensioning rod 65, one end of the tensioning rod 65 is fixed to the inner wall of the cover body 61, and the other end passes through the tensioning plate 62 via the tensioning notch. One end of the tensioning rod 65 is connected to a spring seat 67, the spring seat 67 is connected to the inner wall of the cover body 61 by a bolt, and the tensioning spring 66 can be extended and contracted in the axial direction of the tensioning rod 65, but cannot be separated from the tensioning notch. In this embodiment, two sets of tensioning rod 65 and tensioning spring 66 are arranged to improve the tensioning effect.

[0040] As shown in Figs. 7, the tensioning plate 62 is provided with a tensioning notch, which is a side-located U-shaped notch. A tensioning spring 66 is arranged in the tensioning notch, and is used to push the tensioning plate 62 to have a tendency to move away from the driving line wheel 52, so as to achieve the tensioning purpose. Specifically, the tensioning spring 66 is sleeved on a tensioning rod 65, one end of the tensioning rod 65 is fixed to the inner wall of the cover body 61, and the other end passes through the tensioning plate 62 via the tensioning notch. One end of the tensioning rod 65 is connected to a spring seat 67, the spring seat 67 is connected to the inner wall of the cover body 61 by a bolt, and the tensioning spring 66 can be extended and contracted in the axial direction of the tensioning rod 65, but cannot be separated from the tensioning notch. In this embodiment, two sets of tensioning rod 65 and tensioning spring 66 are arranged to improve the tensioning effect. Figure 6 7 ​​As shown, a sensing plate 72 is provided on the lower side of the tensioning plate 62, and a photoelectric sensor switch 71 is provided inside the cover 61. The photoelectric sensor switch 71 is used to sense the position of the sensing plate 72. When the tensioning plate 62 is in the tensioned position, it can be sensed by the photoelectric sensor switch 71, which makes it easy to know the state of the tensioning mechanism. The principle of the photoelectric sensor switch 71 is existing technology, and it is only applied in this embodiment. The emitter of the photoelectric sensor switch 71 emits a light beam. When the light beam is blocked or reflected by an object, the receiver receives the change in light, thereby determining whether the object exists.

[0041] like Figure 2 As shown, an auxiliary plate 8 is also provided inside the outer casing 2 above the cantilever. The auxiliary plate 8 can assist in wiring and support the cable. The most important function is that a waterproof spotlight (not shown) is installed on the lower side of the auxiliary plate 8, which can serve as lighting.

Claims

1. A single cantilevered diamond wire saw, characterized by: The application relates to a wire cutting device, which comprises a base, a shell, a Y-axis mechanism and a Z-axis mechanism arranged in the shell, wherein the Z-axis mechanism comprises a Z-axis support, a Z-axis driving mechanism and a Z-axis sliding block, the Z-axis support is provided with a Z-axis sliding rail, and the Z-axis driving mechanism is used for driving the Z-axis sliding block to perform lifting action along the Z-axis sliding rail; the Y-axis mechanism comprises a Y-axis sliding rail, a Y-axis driving mechanism and a Y-axis sliding block, the Y-axis driving mechanism is used for driving the Y-axis sliding block to perform horizontal motion along the Y-axis sliding rail, the bottom of the Z-axis support is connected to the Y-axis sliding block, and a cantilever is arranged on the Z-axis sliding block in the X-axis direction, wherein the cantilever is provided with a wire cutting mechanism, and the wire cutting mechanism comprises a driving wire wheel, a driven wire wheel and a cutting wire.

2. The single cantilevered diamond wire saw of claim 1, wherein: The Z-axis driving mechanism and the Y-axis driving mechanism both adopt a screw nut mechanism.

3. The single cantilevered diamond wire saw of claim 1, wherein: First and second piano cases are respectively connected to the two sides of the Y-axis sliding block in the horizontal motion direction.

4. The single cantilevered diamond wire saw of claim 1, wherein: Third and fourth piano cases are respectively connected to the upper side and the lower side of the Z-axis sliding block.

5. The single cantilevered diamond wire saw of claim 1, wherein: The cantilever comprises a horizontal support plate and a vertical mounting plate, the vertical mounting plate is vertically connected to the lower side of the horizontal support plate, and the wire cutting mechanism is mounted on the vertical mounting plate.

6. The single cantilevered diamond wire saw of claim 1, wherein: The cantilever comprises a vertical mounting plate, the driving wire wheel is rotatably assembled on the vertical mounting plate, the rotation axis direction of the driving wire wheel is along the Y-axis direction, the driven wire wheel is rotatably assembled on a driven shaft, the driven shaft is mounted on a tensioning plate through a bearing seat, one end of the driven shaft away from the driven wire wheel penetrates through the tensioning plate, a long gap is arranged on the vertical mounting plate to provide space for the bearing seat when the bearing seat moves, a tensioning slot is arranged on the tensioning plate, a tensioning spring is arranged in the tensioning slot and used for pushing the tensioning plate to have a tendency of moving away from the driving wire wheel.

7. The single cantilevered diamond wire saw of claim 6, wherein: A cover body is arranged on one side of the vertical mounting plate and corresponds to the position of the tensioning plate, an electric push rod is arranged in the cover body, the pushing direction of the electric push rod is along the X-axis direction, one end of the telescopic rod of the electric push rod pushes the cover body, the cylinder body of the electric push rod is fixed on the tensioning plate, and the telescopic rod of the electric push rod can push the tensioning plate to compress the tensioning spring when the telescopic rod extends.

8. The single cantilevered diamond wire saw of claim 7, wherein: The tensioning spring is sleeved on a tensioning rod, one end of the tensioning rod is fixed to the inner wall of the cover body, and the other end penetrates through the tensioning plate via the tensioning slot.

9. The single cantilevered diamond wire saw of claim 7, wherein: An inductive sheet is arranged on the lower side of the tensioning plate, and a photoelectric inductive switch is arranged in the cover body and used for sensing the position of the inductive sheet.

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