阅读说明：本技术 一种带密封结构的多线切割机的导线轮转动装置 (Wire guide wheel rotating device with sealing structure for multi-wire cutting machine ) 是由 姜玲玲 张晓明 于 2019-10-31 设计创作，主要内容包括：本发明公开了一种导线轮转动装置,尤其涉及一种带密封结构的多线切割机的导线轮转动装置,它属于切割设备技术领域。一种带密封结构的多线切割机的导线轮转动装置,其结构如下：塑料导线轮通过导线轮固定螺母固定在轴承旋转组件上,在轴承旋转组件和塑料导线轮之间安装密封盘(203),轴承旋转组件固定在固定组件上。本发明减轻了重量,降低旋转惯性,提高设备控制张力的精度,增加密封设计,延长整个装置的使用寿命,并且更改安装方式,节省维护时间,从而降低设备断线情况发生的概率,提供设备加工良率,使设备可以应用更细的丝线进行加工,降低原材料损耗,降低导线轮成本,减少轴承组件的损坏,方便安装和维护。(The invention discloses a wire guide wheel rotating device, particularly relates to a wire guide wheel rotating device of a multi-wire cutting machine with a sealing structure, and belongs to the technical field of cutting equipment. The utility model provides a take seal structure's wire wheel rotating device of multi-wire saw, its structure as follows: the plastic wire guide wheel is fixed on the bearing rotating assembly through a wire guide wheel fixing nut, a sealing disc (203) is arranged between the bearing rotating assembly and the plastic wire guide wheel, and the bearing rotating assembly is fixed on the fixing assembly. The invention reduces the weight, reduces the rotation inertia, improves the precision of the control tension of the equipment, increases the sealing design, prolongs the service life of the whole device, changes the installation mode, saves the maintenance time, thereby reducing the probability of the occurrence of the disconnection of the equipment, provides the processing yield of the equipment, ensures that the equipment can be processed by using thinner silk threads, reduces the loss of raw materials, reduces the cost of a wire guide wheel, reduces the damage of a bearing assembly, and is convenient to install and maintain.)

1. The utility model provides a take seal structure's wire wheel rotating device of multi-wire saw which characterized in that structure as follows: the plastic wire guide wheel (201) is fixed on the bearing rotating assembly (204) through a wire guide wheel fixing nut (202), a sealing disc (203) is arranged between the bearing rotating assembly (204) and the plastic wire guide wheel (201), and the bearing rotating assembly (204) is fixed on the fixing assembly (205).

2. The wire guide wheel rotating device of the multi-wire cutting machine with the sealing structure as claimed in claim 1, wherein the plastic wire guide wheel (201) comprises a main body hub (1) and an edge guide groove (2), the main body hub (1) is a plastic hub, reinforcing ribs (4) are uniformly distributed on the circumference of the main body hub (1), a mounting hole (3) is formed in the main body hub (1), and the edge guide groove (2) adopts a V-shaped groove structure.

3. The wire wheel rotating device of a multi-wire saw with a sealing structure as claimed in claim 2, wherein the edge guide groove (2) is made of plastic or rubber.

4. The wire wheel rotating device of a multi-wire saw with a sealed structure according to claim 1 or 3, wherein the angle of the edge guide groove (2) is 100 ° and the depth is 1.2mm to 1.3 mm.

5. The wire guide wheel rotating device of the multi-wire saw with the sealing structure as claimed in claim 2, wherein the mounting hole (3) is provided at a central position of the main body hub (1).

6. The wire guide wheel rotating device of the multi-wire saw with the sealing structure as claimed in claim 2, wherein the diameter of the main body hub (1) is 75-78 mm.

7. The wire guide wheel rotating device of the multi-wire saw with the sealing structure as claimed in claim 2, wherein the reinforcing ribs (4) are uniformly distributed on the circumference of one side of the main body hub.

8. The wire guide wheel rotating device of the multi-wire cutting machine with the sealing structure as claimed in claim 7, wherein the shape of the reinforcing ribs (4) on the main hub is irregular quadrilateral.

9. The wire guide wheel rotating device of the multi-wire cutting machine with the sealing structure as claimed in claim 1, wherein the material of the fixing nut (202) is selected from plastic materials.

10. The wire guide wheel rotating device of a multi-wire cutting machine with a sealing structure as claimed in claim 1, wherein the clearance between the sealing disc (203) and the wire guide wheel (201) is less than 1 mm.

11. The wire guide wheel rotating device of a multi-wire saw with a sealing structure as claimed in claim 1 or 10, wherein the sealing disc (203) is structured as follows: the periphery of the sealing disc body (303) is provided with a flow guide inclined plane (301), and the small end face of the flow guide inclined plane (301) is provided with an annular groove (302).

12. The wire wheel rotating device of a multi-wire saw with a sealing structure as claimed in claim 11, wherein the thickness of the sealing disc body (303) and the guide slope (301) is 10 mm.

13. The wire wheel rotating apparatus of a multi-wire saw with a sealed structure as claimed in claim 11, wherein the angle of inclination of the guide slope (301) is 60 ° to 70 °.

14. The wire guide wheel rotating device of a multi-wire cutting machine with a sealing structure as claimed in claim 11, wherein the sealing disc (203) is made of plastic and has a diameter of 75-78 mm.

15. The wire guide wheel rotating device of the multi-wire cutting machine with the sealing structure as claimed in claim 1, wherein the sealing disc (203) is fixed on the fixing assembly (205) by screws uniformly distributed on the circumference.

16. The wire guide wheel rotating device of the multi-wire cutting machine with the sealing structure as claimed in claim 1, wherein the bearing rotating assembly (204) is composed of a rotating shaft (401), a bearing (402), a middle spacer sleeve (403), a bearing seat (404), a bearing retainer ring (405) and a screw (406).

17. The wire guide wheel rotating device of a multi-wire cutting machine with a sealing structure as claimed in claim 16, wherein the rotating shaft (401) is a shouldered rotating shaft, the bearings (402) are respectively arranged one by one at the rear part of the shouldered shaft, a spacing sleeve (403) is arranged in the middle of the bearings (402), the rotating shaft (401), the bearings (402) arranged on the rotating shaft and the spacing sleeve (403) are installed in a bearing block (404), a bearing retainer ring (405) and a fixing screw (406) are used for fixing the axial positioning of the bearings (402) on the rotating shaft (401), and the bearing block (404) is fixed on the relative position of the machine tool bed through the screw.

18. The wire wheel rotating device of a multi-wire saw with a sealed structure as claimed in claim 1, wherein the bearing rotating assembly (204) is fixed on the fixing assembly (205) by screws uniformly distributed on the circumference thereof.

19. The wire wheel rotating device of a multi-wire saw with a sealing structure as claimed in claim 1 or 18, wherein the fixing member (205) is a fixing block having an inner hole and mounting holes distributed on a circumference.

Technical Field

The invention relates to a wire guide wheel rotating device, in particular to a wire guide wheel rotating device of a multi-wire cutting machine with a sealing structure, and belongs to the technical field of cutting equipment.

Background

The multi-wire cutting is a cutting processing method for simultaneously cutting a workpiece to be processed into hundreds of thin sheets at one time by performing reciprocating grinding similar to wire saw processing on the workpiece to be processed, such as a hard and brittle material like a semiconductor, through high-speed reciprocating motion of a metal wire or other abrasive composite wires. The equipment rubs the workpiece to be processed through the abrasive metal composite wire moving at high speed, so that the cutting effect is achieved. In the whole process, the abrasive metal composite wire is guided by the wire guide wheel to form a wire net on the main roller wheel of the cutting area, and the workpiece to be processed is lowered by the workbench to realize the feeding and pressing action of the workpiece. The control system of the apparatus controls and adjusts the tension of the abrasive metal composite wires to reduce the occurrence of wire breakage.

As shown in fig. 1, the wire wheel rotating device of the conventional multi-wire cutting machine is composed of the following structures: the guide wire wheel comprises a metal main body hub and a plastic edge guide groove, wherein the guide wire wheel 101 is composed of a fixed pressing sheet 102, a guide wire wheel fixing screw 103, a bearing rotating assembly 104 and a fixing assembly 105. The wire guide wheel 101 is fixed to the bearing rotary assembly 104 by the fixing pressing plate 102 and the wire guide wheel fixing screw 103, and the bearing rotary assembly 104 is fixed to the fixing assembly 105. The wire guide wheel 101 of the conventional multi-wire cutting machine adopts a metal wheel hub, so that the wire guide wheel is large in size and heavy, the rotation inertia is large during rotation, the tension of the system is difficult to control, the tension control precision of the whole system is influenced, and the wire breakage condition of equipment is difficult to control. This makes the equipment impossible to process with too thin wires and the raw material is lost greatly. And the cutting fluid during cutting can flow into the bearing rotating assembly along the nearby gap, which is easy to cause bearing damage after a long time. And the metal wheel hub of current wire wheel is last to be provided with three mounting hole, need loosen the fixed screw of these three positions and just can dismantle and change, just so causes to install when changing the leading wheel and takes time. The wire guide wheel of the wire guide wheel transmission device of the multi-wire cutting machine belongs to a quick-wear part, and is high in single-piece cost, difficult to install and inconvenient to maintain. And the bearing assembly is easily damaged due to poor sealing.

Disclosure of Invention

The invention aims to solve the technical problems and provides a wire guide wheel rotating device of a multi-wire cutting machine with a sealing structure, which aims to reduce the weight, reduce the rotation inertia, improve the precision of the tension control of equipment, increase the sealing design, prolong the service life of the whole device, change the installation mode and save the maintenance time, thereby reducing the probability of the occurrence of the wire breakage of the equipment, providing the processing yield of the equipment, enabling the equipment to be processed by using thinner silk threads, reducing the loss of raw materials, reducing the cost of the wire guide wheel, reducing the damage of a bearing assembly and facilitating the installation and maintenance.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the utility model provides a take seal structure's wire wheel rotating device of multi-wire saw, plastics wire wheel passes through wire wheel fixation nut to be fixed on bearing rotating assembly, installs sealed dish between bearing rotating assembly and plastics wire wheel, and bearing rotating assembly fixes on fixed subassembly.

Foretell plastics wire wheel includes main part wheel hub and edge guide slot, and main part wheel hub is plastics wheel hub, and the equipartition has the strengthening rib on main part wheel hub's the circumference body, is equipped with a mounting hole on main part wheel hub, and edge guide slot adopts V type groove structure.

The edge guide groove is made of plastic or rubber.

The angle of the edge guide groove is 100 degrees, and the depth is 1.2mm-1.3 mm.

The mounting hole is arranged at the center of the main hub.

The diameter of the main hub is 75-78 mm.

Reinforcing ribs are uniformly distributed on the circumference of one side of the main hub.

The reinforcing ribs on the main hub are irregular quadrangles.

The fixing nut is made of plastic.

The clearance between the sealing disc and the wire guide wheel is less than 1 mm.

The structure of the sealing disc is as follows: the periphery of the sealing disc body is provided with a flow guide inclined plane, and the small end face of the flow guide inclined plane is provided with an annular groove.

The thickness of the sealing disc body and the diversion inclined plane is 10 mm.

The inclined angle of the diversion inclined plane is 60-70 degrees.

The sealing disc is made of plastic, and the diameter of the sealing disc is 75-78 mm.

The sealing disc is fixed on the fixing component through screws uniformly distributed on the circumference.

The bearing rotating assembly consists of a rotating shaft, a bearing, a middle spacer sleeve, a bearing seat, a bearing retainer ring and a screw.

The wire guide wheel rotating device of the multi-wire cutting machine with the sealing structure is characterized in that the bearing rotating assembly has the following specific structure: the rotary shaft with the shaft shoulders is characterized in that bearings are respectively arranged at the rear parts of the shaft shoulders on the rotary shaft, a middle spacer sleeve is arranged in the middle of each bearing, the bearings arranged on the rotary shaft and the middle spacer sleeves are installed in bearing seats together, bearing retainer rings and fixing screws are designed for fixing the bearings to be axially positioned on the rotary shaft, and the bearing seats are fixed to the corresponding positions of a machine tool body through the screws.

The wire guide wheel rotating device of the multi-wire cutting machine with the sealing structure is characterized in that the bearing rotating assembly is fixed on the fixing assembly through screws uniformly distributed on the circumference of the bearing rotating assembly.

The fixing component is a fixing block with an inner hole and mounting holes distributed on the circumference.

Due to the adoption of the technical scheme, the invention has the following characteristics and effects:

the design of wire wheel main part wheel hub is plastic wheel hub by current metal wheel hub design, and the design of V type groove is adopted to the marginal guide slot, and the material adopts plastics or rubber, reduces the size of whole wire wheel in structural dimension to design a mounting hole on plastic wheel hub for the installation is fixed. The wire guide wheel is small in size, lighter in weight, capable of reducing the weight by more than one time, small in rotation inertia, capable of improving the precision of tension control of equipment, capable of reducing the probability of the occurrence of the broken wire condition of the equipment, capable of improving the processing yield of the equipment and capable of improving the processing capacity of the equipment by using thinner silk threads. The wire guide wheel transmission device is provided with a simple and convenient dismounting structure, when the wire guide wheel is dismounted, the wire guide wheel can be dismounted as long as the wire guide wheel fixing nut is loosened, and the replacing and maintaining time is greatly saved. In order to reduce the weight of the whole structure and provide tension control precision, the material of the fixing nut is selected to be plastic. In order to increase the sealing performance and reduce the damage of the bearing, a circular sealing disc is designed between the bearing rotating assembly and the wire guide wheel, so that cutting fluid splashed by rotation enters the whole transmission device when the wire guide wheel rotates.

The wire guide wheel rotating device reduces the weight, reduces the rotation inertia, improves the precision of the tension control of equipment, increases the sealing design, prolongs the service life of the whole device, changes the installation mode, and saves the maintenance time, thereby reducing the probability of the wire break of the equipment, providing the processing yield of the equipment, enabling the equipment to be processed by using thinner silk threads, reducing the loss of raw materials, reducing the cost of the wire guide wheel, reducing the damage of a bearing assembly, and being convenient to install and maintain.

Drawings

Fig. 1 is a sectional view showing a conventional wire guide wheel rotating apparatus.

Fig. 2 is a structural sectional view of the wire guide wheel rotating apparatus of the present invention.

Fig. 3 is a schematic view of the structure of the plastic wire guide wheel of the present invention.

Fig. 4 is a schematic view showing the structure of a seal disk in the wire guide wheel rotating apparatus of the present invention.

Fig. 5 is a sectional view showing the structure of a bearing rotating unit in the wire guide wheel turning device according to the present invention.

In the figure, 101, a guide wire wheel, 102, a fixing pressing sheet, 103, a fixing screw, 104, a bearing rotating assembly, 105, a fixing assembly, 201, a plastic guide wire wheel, 202, a guide wire wheel fixing nut, 203, a sealing disc, 204, a bearing rotating assembly, 205, a fixing assembly, 301, a flow guide inclined plane, 302, an annular groove, 401, a rotating shaft, 402, a bearing, 403, a middle spacer sleeve, 404, a bearing seat, 405, a bearing retainer ring, 406, a screw, 1, a main hub, 2, an edge guide groove, 3, a mounting hole, 4 and a reinforcing rib.

Detailed Description

The following embodiments are only specific embodiments of the present invention, and in order to make the objects, technical solutions and advantages of the present invention clear, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, and the scope of the present invention is not limited by the embodiments.

As shown in fig. 2, the invention relates to a wire guide wheel rotating device of a multi-wire cutting machine with a sealing structure, which mainly comprises a plastic wire guide wheel 201, a wire guide wheel fixing nut 202, a sealing disc 203, a bearing rotating assembly 204 and a fixing assembly 205, and the specific connection structure is as follows: the plastic wire guide wheel 201 is fixed on the bearing rotating assembly 204 through a wire guide wheel fixing nut 202, a sealing disc 203 is arranged between the bearing rotating assembly 204 and the plastic wire guide wheel 201, and the sealing disc 203 is fixed on the fixing assembly 205 through screws uniformly distributed on the circumference to play a role in sealing and protecting the rotating assembly; the mounting assembly 205 is a mounting block having an internal bore and mounting holes circumferentially spaced apart. The bearing rotating assembly 204 is fixed on the fixing assembly 205 through screws uniformly distributed on the upper circumference of the bearing rotating assembly.

As shown in fig. 3, the plastic wire guide wheel 201 of the present invention has the following structure: the main hub 1 is a plastic hub, reinforcing ribs 4 are uniformly distributed on the circumference of the main hub 1, a mounting hole 3 is formed in the center of the main hub 1, the mounting hole 3 is used for mounting and fixing, and when a wire guide wheel needs to be replaced, a connecting screw only needs to be inserted into the mounting hole 3 in the center of the main hub 1 and is rotated and fastened; similarly, when the wire guide wheel is disassembled, the wire guide wheel can be easily disassembled only by disassembling the screw with force. The edge guide groove 2 adopts a V-shaped groove structure, and the edge guide groove 2 is made of plastic or rubber. The angle of the edge guide groove 2 is 100 degrees, the depth is 1.2mm-1.3mm, and the thickness is 3 mm. The diameter of the main hub 1 is 75-78 mm. The size of the wire guide wheel is small, the diameter is reduced to about 80mm from the prior diameter of 160mm, the weight is lighter, the weight is reduced to about 0.03kg from the prior 0.06kg, the weight is reduced by more than one time, the rotation inertia is small, the precision of the tension control of the equipment can be improved, and the probability of the occurrence of the broken wire condition of the equipment is reduced. In order to strengthen the strength of the wheel hub and improve the dynamic balance performance of the wheel body, reinforcing ribs are uniformly distributed on the circumference of one side of the main body wheel hub. As shown in fig. 2, the number of ribs having different sizes within the circumferential range is 16, and the size of the circumferential rib is determined according to the shape of the mounting hole since the size of the middle mounting hole is not a uniform circle. In order to ensure the weight uniformity of the whole hub in all directions, the reinforcing ribs are slightly different in size, but are irregular quadrangles, and the thickness of each rib plate is 0.2mm greater than that of the hub.

And the new wire guide wheel transmission device is designed with a simple and convenient dismounting structure, when the wire guide wheel is dismounted, the wire guide wheel can be dismounted as long as the wire guide wheel fixing nut 202 is loosened, and the replacing and maintaining time is greatly saved. In order to reduce the weight of the whole structure and provide tension control precision, the material of the fixing nut is selected to be plastic. In order to increase the sealing performance and reduce the bearing damage, a circular sealing disc 203 is designed between the bearing rotating assembly 204 and the wire guide wheel 201, and the clearance between the sealing disc 203 and the wire guide wheel 201 is less than 1 mm. This particular design makes it difficult for the cutting fluid that is spun up to enter the entire transmission through a gap of less than 1mm as the wire guide wheel rotates.

As shown in FIG. 4, the sealing plate 203 of the present invention is designed to reduce weight, and the material of the sealing plate is plastic, and the diameter dimension is 75-78 mm. The sealing disc 203 is structurally characterized in that a flow guide inclined plane 301 is arranged on the periphery of a sealing disc body 303, the inclination angle of the flow guide inclined plane 301 is 60-70 degrees, the thicknesses of the sealing disc body 303 and the flow guide inclined plane 301 are 10mm, and an annular groove 302 is designed on the small end face of the flow guide inclined plane 301 and used for covering the fixed component 205 and preventing flowing cutting fluid from entering the bearing rotating component 204.

As shown in fig. 5, the bearing rotating assembly 204 is a complete rotating assembly composed of a rotating shaft 401, a bearing 402, an intermediate spacer 403, a bearing seat 404, a bearing retainer 405 and a screw 406, and its detailed structure is as follows: the rotating shaft 401 is a shouldered rotating shaft, the bearings 402 are respectively arranged on the rear parts of the shouldered portions, the middle spacer sleeve 403 is arranged in the middle of the bearings 402, the rotating shaft 401 is installed in the bearing seat 404 together with the bearings 402 arranged on the rotating shaft and the middle spacer sleeve 403, the bearing retainer ring 405 and the fixing screw 406 are used for fixing the bearings 402 in the axial direction of the rotating shaft 401, and the bearing seat 404 is fixed on the opposite position of the machine tool body through the screw.