阅读说明：本技术 屏蔽电机支撑筒加工工具 (Shielded motor supports a section of thick bamboo machining tool ) 是由 于志佳 高明缙 黄秀波 郑维 赵环宇 刘玉国 张涛 唐浩宇 付德才 孙学森 黄蛟 于 2021-08-09 设计创作，主要内容包括：本发明设计了一种屏蔽电机支撑筒加工工具,外压圈(12)套在支撑筒(8)的外部,外压圈(12)与支撑筒(8)保持同心的位置关系,压紧螺钉(11)通过外压圈(12)外圆上的螺纹孔作用在支撑筒(8)外圆上,内支杆(14)通过螺纹连接在内支墩(13)上,内支杆(14)上部外六方支撑在外压圈(12)下端面,外压圈(12)下部由多个内支墩(13)和内支杆(14)支撑。支撑筒(8)内部的内拉杆(10)一端通过螺纹连接在底板(1)上,另一端用平垫圈(6)和螺母(7)将内压板(9)固定在支撑筒(8)上端。本发明不仅减少了支撑筒在加工过程中的装卡变形导致的尺寸超差,同时减少了内、外圆加工二次找正误差,保证了产品加工精度,提高了产品加工成功率,节约了成本。(The invention designs a shielded motor supporting cylinder processing tool, wherein an outer pressing ring (12) is sleeved outside a supporting cylinder (8), the outer pressing ring (12) and the supporting cylinder (8) keep a concentric position relation, a compression screw (11) acts on the excircle of the supporting cylinder (8) through a threaded hole in the excircle of the outer pressing ring (12), an inner support rod (14) is connected on an inner support pier (13) through threads, the outer hexagon at the upper part of the inner support rod (14) is supported on the lower end surface of the outer pressing ring (12), and the lower part of the outer pressing ring (12) is supported by a plurality of inner support piers (13) and inner support rods (14). One end of an inner pull rod (10) in the supporting cylinder (8) is connected to the bottom plate (1) through threads, and the other end of the inner pull rod fixes an inner pressure plate (9) at the upper end of the supporting cylinder (8) through a flat washer (6) and a nut (7). The invention not only reduces the size out-of-tolerance caused by clamping deformation of the supporting cylinder in the processing process, but also reduces the secondary alignment error of inner and outer circle processing, ensures the processing precision of products, improves the processing success rate of the products and saves the cost.)

1. The utility model provides a shielded machine supports a section of thick bamboo machining tool, characterized by: comprises a bottom plate (1), an outer support pillar (2), an outer support rod (3), an outer pull rod (4), a pressure plate (5), a flat washer (6), a nut (7), an inner pressure plate (9), an inner pull rod (10), a compression screw (11), an outer pressure ring (12), an inner support pillar (13) and an inner support rod (14), wherein the outer pressure ring (12) is sleeved outside a support cylinder (8), the outer pressure ring (12) and the support cylinder (8) keep concentric position relation, the compression screw (11) acts on the outer circle of the support cylinder (8) through a threaded hole on the outer circle of the outer pressure ring (12), the inner support rod (14) is connected on the inner support pillar (13) through threads, the outer hexagonal surface on the upper part of the inner support rod (14) is supported on the lower end surface of the outer pressure ring (12), the lower part of the outer pressure ring (12) is supported by a plurality of inner support pillars (13) and the inner support rod (14), a plurality of pressure plates (5) are arranged on the upper part of the outer pressure ring, and each pressure plate (5) is supported and fixed by the outer support rod (3), the lower part of the outer support rod (3) is connected with an outer support pier (2), the outer support rod (3) is connected with the outer support pier (2) by screw thread, the outer support pier (2) is arranged on the bottom plate (1), the outer pull rod (4) passes through a waist-shaped hole on the pressure plate (5), the lower end of the outer pull rod (4) is connected in a threaded hole on the bottom plate (1) by screw thread, outer pull rod (4) upper end is passed clamp plate (5) and is fixed clamp plate (5) through threaded connection with nut (7), interior clamp plate (9) are located and are supported a section of thick bamboo (8) hole upper end, unthreaded hole and bottom plate (1) pass through threaded connection in the middle of interior clamp plate (9) are passed in interior pull rod (10), interior pull rod (10) pass the upper end of interior clamp plate (9) and adopt nut (7) to be connected with interior pull rod (10), fix interior clamp plate (9) on supporting a section of thick bamboo (8), interior clamp plate (9) and support a section of thick bamboo (8) adopt tang complex mode to be connected.

2. The shielded motor support can machining tool of claim 1, wherein: the clearance fit tolerance of the spigot of the inner pressure plate (9) and the diameter of the inner diameter of the support cylinder (8) is within 0.10 mm.

3. The shielded motor support can machining tool of claim 1, wherein: the length of the thread at the matching position of the inner pull rod (10) and the inner pressure plate (9) is 1/3 of the thickness of the inner pressure plate (9), and the matching tolerance is within 0.10 mm.

4. The shielded motor support can machining tool of claim 1, wherein: the circumference of the outer pressing ring (12) is provided with a plurality of threaded holes which are uniformly distributed.

The technical field is as follows:

the invention relates to a shielded motor supporting cylinder machining tool.

Background art:

the supporting cylinder of the shielding motor belongs to a stainless steel thin-wall part, a traditional supporting cylinder machining method is directly clamped by a machine tool chuck, the machine tool chuck clamps the excircle of the supporting cylinder when machining an inner hole, and the machine tool chuck supports the inner hole of the supporting cylinder when machining the excircle. The cutter is connected in the processing process of the traditional method, so that the use is influenced, meanwhile, the property of a thin-wall part of the supporting cylinder is changed due to the fact that the supporting cylinder is deformed due to direct clamping, and after the clamping is loosened after the workpiece is processed, the size is changed, so that the size precision is influenced; meanwhile, alignment errors exist during conversion machining of the inner hole and the outer circle of the supporting cylinder, the position tolerance of the supporting cylinder is affected, the qualified rate is low, and the production cost of products is increased.

The invention content is as follows:

the invention aims to provide a shielded motor supporting cylinder machining tool, which enables the shape change of a supporting cylinder caused by external force during machining to be small, eliminates alignment errors and tool joint marks existing during conversion machining of an inner hole and an outer circle of the supporting cylinder, ensures form and position tolerances and dimensional tolerances of products, improves the product percent of pass and saves the production cost. The invention adopts the following technical scheme: a shielded motor supporting cylinder processing tool comprises a base plate (1), an outer supporting pillar (2), an outer support rod (3), an outer pull rod (4), a pressing plate (5), a flat washer (6), a nut (7), an inner pressing plate (9), an inner pull rod (10), a compression screw (11), an outer pressing ring (12), an inner supporting pillar (13) and an inner support rod (14), wherein the outer pressing ring (12) is sleeved outside the supporting cylinder (8), the outer pressing ring (12) and the supporting cylinder (8) keep a concentric position relation, the compression screw (11) acts on the outer circle of the supporting cylinder (8) through a threaded hole in the outer circle of the outer pressing ring (12), the inner support rod (14) is connected to the inner supporting pillar (13) through threads, the outer hexagon on the upper portion of the inner support rod (14) is supported on the lower end face of the outer pressing ring (12), the lower portion of the outer pressing ring (12) is supported by a plurality of inner supporting pillars (13) and inner support rods (14), and the plurality of pressing plates (5) are arranged on the upper portion of the outer pressing ring, each pressing plate (5) is supported and fixed by an outer supporting rod (3), the lower part of the outer supporting rod (3) is connected with an outer support pier (2), the outer supporting rod (3) is connected with the outer support pier (2) by screw threads, the outer support pier (2) is placed on the bottom plate (1), an outer pull rod (4) passes through a kidney-shaped hole on the pressing plate (5), the lower end of the outer pull rod (4) is connected in a threaded hole on the bottom plate (1) by screw threads, outer pull rod (4) upper end is passed clamp plate (5) and is fixed clamp plate (5) through threaded connection with nut (7), interior clamp plate (9) are located and are supported a section of thick bamboo (8) hole upper end, unthreaded hole and bottom plate (1) pass through threaded connection in the middle of interior clamp plate (9) are passed in interior pull rod (10), interior pull rod (10) pass the upper end of interior clamp plate (9) and adopt nut (7) to be connected with interior pull rod (10), fix interior clamp plate (9) on supporting a section of thick bamboo (8), interior clamp plate (9) and support a section of thick bamboo (8) adopt tang complex mode to be connected.

The clearance fit tolerance of the spigot of the inner pressure plate (9) and the diameter of the inner diameter of the support cylinder (8) is within 0.10 mm.

The length of the thread at the matching position of the inner pull rod (10) and the inner pressure plate (9) is 1/3 of the thickness of the inner pressure plate (9), and the matching tolerance is within 0.10 mm.

The circumference of the outer pressing ring (12) is provided with a plurality of threaded holes which are uniformly distributed.

The working principle and the beneficial effects of the invention are as follows:

when an inner hole of a supporting cylinder (8) is machined, a base plate (1) is clamped on a chuck of a machine tool and is aligned and clamped, the supporting cylinder (8) is placed at the center of the base plate (1), an inner support rod (14) is installed on an inner support pier (13) and then is uniformly placed outside the supporting cylinder (8), the height of the inner support rod (14) is adjusted to keep consistent, a compression screw (11) is installed on an outer pressure ring (12) and is adjusted to enable the length of the compression screw to be basically consistent, the outer pressure ring (12) is sleeved on the supporting cylinder (8) and is placed on the inner support rod (14), the height of the inner support rod (14) is adjusted to enable the outer pressure ring (12) to be horizontal, the compression screw (11) is adjusted to enable all to be in contact with the outer diameter of the supporting cylinder (8), the outer pressure ring (12) and the supporting cylinder (8) are guaranteed to be concentric, outer support piers (2) are uniformly placed along the radial direction of each inner support pier (13) and outer support rod (3) is installed on the outer support pier (2), the height of the outer supporting rod (3) is adjusted to be basically consistent with the height of the upper end face of the outer pressure ring (12), an outer pull rod (4) is installed on the bottom plate (1), the pressing plate (5) is placed, the height of the outer supporting rod (3) is adjusted again to enable the pressing plate (5) to be horizontal, and the nut (7) is screwed down after the flat washer (6) is placed. When an excircle is processed, an inner pull rod (10) is installed on a base plate (1), an inner pressing plate (9) penetrates through the inner pull rod (10) and is placed on a supporting cylinder (8), a flat washer (6) is placed, a nut (7) is screwed, and an outer buttress (2), an outer support rod (3), an outer pull rod (4), a pressing plate (5), the flat washer (6), the nut (7), a compression screw (11), an outer pressing ring (12), an inner buttress (13) and an inner support rod (14) outside the supporting cylinder (8) are detached.

The key of the device is that a plurality of threaded holes on the circumference of an outer pressure ring (12) and a matched compression screw (11) have uniform compression force acting on the outer diameter of a supporting cylinder (8), so that the supporting cylinder (8) is stressed more uniformly, the deformation of the supporting cylinder (8) caused by clamping is reduced, the deformation generated after the clamping constraint is loosened after the processing is finished is reduced, and the dimensional accuracy is ensured. Meanwhile, after the inner hole of the supporting cylinder (8) is machined, the outer support pier (2), the outer support rod (3), the outer pull rod (4), the pressing plate (5), the flat washer (6), the nut (7), the compression screw (11), the outer pressure ring (12), the inner support pier (13) and the inner support rod (14) outside the supporting cylinder (8) are removed after the flat washer (6), the nut (7), the inner pressing plate (9) and the inner pull rod (10) are installed and removed, errors caused by secondary alignment are eliminated, tool marks are eliminated simultaneously, and form and position tolerance and size tolerance are guaranteed.

The clamping stress of the supporting cylinder is more uniform, and the deformation of the supporting cylinder caused by clamping is reduced, so that the deformation caused after the clamping constraint is loosened after the processing is finished is reduced, and the size precision is ensured. The error caused by secondary alignment is eliminated, the tool connecting mark is eliminated, and the form and position tolerance and the size tolerance are ensured.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a schematic structural diagram of the invention when processing the inner hole of the support cylinder.

FIG. 4 is a schematic view of the outer circle of the support cylinder according to the present invention.

Detailed Description

As shown in figure 1, a shielded motor supporting cylinder processing tool comprises a bottom plate 1, an outer support pier 2, an outer support rod 3, an outer pull rod 4, a pressure plate 5, a flat washer 6, a nut 7, an inner pressure plate 9, an inner pull rod 10, a compression screw 11, an outer pressure ring 12, an inner support pier 13 and an inner support rod 14, wherein the outer pressure ring 12 is sleeved outside a supporting cylinder 8, the outer pressure ring 12 and the supporting cylinder 8 keep a concentric position relation, as shown in figure 2, the compression screw 11 acts on the excircle of the supporting cylinder 8 through a threaded hole on the excircle of the outer pressure ring 12, the inner support rod 14 is connected to the inner support pier 13 through threads, the upper part of the inner support rod 14 is supported on the lower end surface of the outer pressure ring 12, the lower part of the outer pressure ring 12 is supported by a plurality of inner support piers 13 and the inner support rod 14, a plurality of pressure plates 5 are arranged on the upper part of the outer pressure ring, each pressure plate 5 is supported and fixed by the outer support rod 3, as shown in figure 3, the lower part of the outer support rod 3 is connected with the outer support pier 2, the outer supporting rod 3 is in threaded connection with the outer supporting pier 2, the outer supporting pier 2 is placed on the bottom plate 1, the outer pull rod 4 penetrates through a waist-shaped hole in the pressing plate 5, the lower end of the outer pull rod 4 is connected into a threaded hole in the bottom plate 1 through threads, the upper end of the outer pull rod 4 penetrates through the pressing plate 5 and is fixed with the pressing plate 5 through threads connected with the nut 7, as shown in figure 4, the inner pressing plate 9 is located at the upper end of an inner hole in the supporting cylinder 8, the inner pull rod 10 penetrates through a middle unthreaded hole in the inner pressing plate 9 and is connected with the bottom plate 1 through threads, the upper end of the inner pull rod 10 penetrating through the inner pressing plate 9 is connected with the inner pull rod 10 through the nut 7, the inner pressing plate 9 is fixed on the supporting cylinder 8, and the inner pressing plate 9 and the supporting cylinder 8 are connected in a spigot fit mode.

The clearance fit tolerance between the spigot of the inner pressure plate 9 and the diameter of the inner diameter of the support cylinder 8 is within 0.10 mm.

The length of the thread at the position where the inner pull rod 10 is matched with the inner pressure plate 9 is 1/3 of the thickness of the inner pressure plate 9, and the matching tolerance is within 0.10 mm.

The circumference of the outer pressing ring 12 is provided with a plurality of threaded holes which are uniformly distributed.