Positioning and clamping device for rotor supporting seat

Abstract

The utility model provides a positioning and clamping device for a rotor supporting seat, which is characterized by comprising a bottom plate, and a lower side positioning unit, an upper side positioning unit, a pressing plate unit and a rotor hole positioning unit which are fixed on the bottom plate, wherein the lower lateral positioning unit comprises two groups of first lateral positioning seats and a group of third lateral positioning seats which are used for positioning an outer circle of a flange edge of a workpiece, and two groups of second lateral positioning seats which are used for positioning bottom feet of the workpiece; the upper lateral positioning unit comprises a positioning support, and a lateral positioning block used for positioning the outer circle of a boss of a workpiece and an upper lateral positioning bolt are installed on the positioning support. The pressing plate unit comprises two groups of first pressing plate assemblies and two groups of second pressing plate assemblies which are used for pressing flange edges of workpieces; the rotor hole positioning unit comprises a first positioning shaft core used for positioning a large rotor hole of the workpiece and a second positioning shaft core used for positioning a small rotor hole of the workpiece.

Description

Technical Field

[0001] This utility model relates to the field of machining technology, and in particular to a positioning and clamping device for a rotor support seat. Background Technology

[0002] The rotor support is a component used to support the motor rotor. During the machining process of the rotor support, it needs to be positioned and clamped. The conventional practice in existing technology is to clamp the rotor support onto the machine tool's built-in fixture. However, since the machine tool's fixture is a general-purpose fixture, it cannot perfectly adapt to the positioning and clamping work of the rotor support. Therefore, operators need to repeatedly adjust the clamping operation. This positioning and clamping method is greatly affected by human operation; the clamping position of one rotor support may differ from that of the next, making it difficult to guarantee the consistency and stability of the clamping. Utility Model Content

[0003] In order to solve the above problems, the present invention aims to provide a positioning and clamping device for a rotor support base, which ensures accurate clamping position and improves clamping consistency and stability.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] This utility model provides a positioning and clamping device for a rotor support base, characterized in that it includes a base plate and a lower side positioning unit, an upper side positioning unit, a pressure plate unit, and a rotor hole positioning unit fixed on the base plate; wherein, the lower side positioning unit includes two sets of first side positioning seats and one set of third side positioning seats for positioning the outer circle of the flange edge of the workpiece, and two sets of second side positioning seats for positioning the bottom foot of the workpiece; the upper side positioning unit includes a positioning bracket, on which a side positioning block for positioning the outer circle of the boss of the workpiece and an upper side positioning bolt are installed; the pressure plate unit includes two sets of first pressure plate assemblies and two sets of second pressure plate assemblies for pressing the flange edge of the workpiece; the rotor hole positioning unit includes a first positioning shaft for positioning the large rotor hole of the workpiece and a second positioning shaft for positioning the small rotor hole of the workpiece.

[0006] Furthermore, in the positioning and clamping device for rotor support provided by this utility model, the feature is that it further includes a transparent gauge, which is provided with a first mating round hole and a second mating round hole that respectively mate with the positions of the first positioning shaft core and the second positioning shaft core. The edge of the first mating round hole is engraved with a etched line that matches the shape of the large rotor hole of the workpiece, and the edge of the second mating round hole is engraved with a etched line that matches the shape of the small rotor hole of the workpiece.

[0007] Furthermore, the positioning and clamping device for rotor support provided by this utility model may also have the following features: two sets of first side positioning seats are symmetrically arranged, each set of first side positioning seats includes a first positioning seat body and a first positioning bolt, the first positioning seat body has an L-shaped structure, and the first positioning bolt is arranged in a horizontal direction and threadedly connected to the first positioning seat body.

[0008] Furthermore, the positioning and clamping device for rotor support provided by this utility model may also have the following features: two sets of second side positioning seats are symmetrically arranged, each set of second side positioning seats includes a second positioning seat body and a second positioning bolt; the second positioning seat body has an L-shaped structure, and the height of the second positioning seat body is greater than the height of the first positioning seat body; the second positioning bolt is arranged in a horizontal direction and is threadedly connected to the second positioning seat body.

[0009] Furthermore, the positioning and clamping device for rotor support provided by this utility model may also have the following features: wherein the third side positioning seat includes a third positioning seat body and a third positioning bolt, the third side positioning seat body has a convex structure, and the third positioning bolt is arranged in a horizontal direction and threadedly connected to the third positioning seat body.

[0010] Furthermore, the positioning and clamping device for the rotor support provided by this utility model may also have the following features: two sets of first pressure plate assemblies are symmetrically arranged, each set of first pressure plate assemblies includes a first pressure plate body, a first connecting stud, and a first support bolt; one end of the first pressure plate body has a right-angled concave corner structure, the other end of the first pressure plate body has an end screw hole, and the middle part of the first pressure plate body has a middle screw hole; the head of the first support bolt contacts and abuts against the base plate, and the shank of the first support bolt is installed in the end screw hole; the lower end of the first connecting stud is fixed on the base plate, and the upper end is bolted to the middle screw hole.

[0011] Furthermore, the positioning and clamping device for the rotor support provided by this utility model may also have the following features: two sets of second pressure plate assemblies are symmetrically arranged, each set of second pressure plate assemblies includes a second pressure plate body, a second connecting stud, and a second support bolt; the second pressure plate body is block-shaped, and a first end screw hole and a second end screw hole are respectively opened at both ends of the second pressure plate body; the head of the second support bolt contacts and abuts against the base plate, and the shank of the second support bolt is installed in the first end screw hole; the lower end of the second connecting stud is fixedly installed on the base plate, and the upper end is bolted to the second end screw hole.

[0012] Furthermore, the positioning and clamping device for rotor support provided by this utility model may also have the following features: the positioning bracket has an arc structure, the bottom of the positioning bracket is fixed on the base plate, two upper side positioning bolts are symmetrically arranged on the top two sides of the positioning bracket and threadedly connected to the positioning bracket, and the ends of the rods of the upper side positioning bolts contact and abut against the outer circular surface of the boss.

[0013] Furthermore, the positioning and clamping device for rotor support provided by this utility model may also have the following features: wherein the side positioning block includes a side positioning block body and a positioning bolt; the side positioning block body has an L-shaped structure, one end is fixed on the positioning bracket, and the other end is provided with a screw hole for mounting the positioning bolt.

[0014] Furthermore, the positioning and clamping device for rotor support provided by this utility model may also have the following feature: a plurality of auxiliary support bolts for supporting the bottom surface of the workpiece are also installed and fixed on the base plate.

[0015] The beneficial effects of this utility model are:

[0016] According to the positioning and clamping device for rotor support provided by this utility model, the rotor hole positioning unit can position the large rotor hole and small rotor hole of the workpiece, the lower side positioning unit and the pressure plate unit cooperate to position the flange edge of the workpiece, and the upper side positioning unit can position the upper boss of the workpiece. By checking whether the rotor hole is consistent with the engraving line of the transparent gauge, the positioning accuracy can be determined, and adjustments can be made accordingly. This positioning and clamping device is a positioning and clamping device specifically designed for rotor support, ensuring the correct clamping position of the workpiece, which is beneficial to improving production efficiency, reducing material waste, and improving clamping stability and consistency. Attached Figure Description

[0017] Figure 1 This is a partial structural schematic diagram of the positioning and clamping device for the rotor support seat according to an embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of the positioning and clamping device for the rotor support seat of this utility model with a workpiece installed.

[0019] Figure 3 This is a schematic diagram of the positioning and clamping device for the rotor support seat in the pre-assembled state of the workpiece according to an embodiment of the present invention.

[0020] The diagram shows: Base plate 1; First side positioning seat 2; First positioning seat body 21; First positioning bolt 22; Second side positioning seat 3; Second positioning seat body 31; Second positioning bolt 32; Third side positioning seat 4; Third positioning seat body 41; Third positioning bolt 42; First pressure plate assembly 5; First pressure plate body 51; First connecting stud 52; First support bolt 53; Second pressure plate assembly 6; Second pressure plate body 61; Second connecting stud 62; Second support bolt 63; Side positioning block 7; Side positioning block body 71; Positioning bolt 72; Positioning bracket 8; First positioning shaft core 9; Second positioning shaft core 10; Transparent gauge 11; Upper side positioning bolt 12; Auxiliary support bolt 13; Workpiece 100; Large rotor hole 101; Small rotor hole 102. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easy to understand, the following embodiments, in conjunction with the accompanying drawings, will specifically illustrate the technical solution of this utility model.

[0022] See Figures 1 to 3 This utility model provides a positioning and clamping device for a rotor support base, including: a base plate 1, a lower side positioning unit, an upper side positioning unit, a pressure plate unit, a rotor hole positioning unit, and a transparent inspection tool 11.

[0023] The base plate 1 has several bolt holes for installing and fixing related components in the lower side positioning unit, upper side positioning unit, pressure plate unit, and rotor hole positioning unit.

[0024] The lower side positioning unit includes two sets of first side positioning seats 2 for positioning the outer circle of the flange edge of the rotor support seat 100 (hereinafter referred to as the workpiece), a set of third side positioning seats 4, and two sets of second side positioning seats 3 for positioning the bottom foot of the workpiece.

[0025] Two sets of first-side positioning seats 2 are symmetrically arranged. Each set of first-side positioning seats 2 includes a first positioning seat body 21 and a first positioning bolt 22. The first positioning seat body 21 has an L-shaped structure and is fixed to the base plate by bolt connection. The first positioning bolt 22 is arranged in a horizontal direction and is installed on the first positioning seat body 21 by thread connection.

[0026] The third positioning seat 4 includes a third positioning seat body 41 and a third positioning bolt 42. The body of the third positioning seat 4 has a U-shaped structure and is fixed to the base plate by bolt connection. The third positioning bolt 42 is arranged in a horizontal direction and is installed on the third positioning seat body 41 by thread connection.

[0027] See Figure 2The two sets of first-side positioning seats 2 and third-side positioning seats 4 work together to provide three support points for the outer circle of the flange edge of the workpiece, thereby positioning the outer circle of the flange edge of the workpiece.

[0028] See Figure 1 Two sets of second-side positioning seats 3 are symmetrically arranged. Each set of second-side positioning seats 3 includes a second positioning seat body 31 and a second positioning bolt 32. The second positioning seat body 31 has an L-shaped structure and is fixed to the base plate by bolt connection. The height of the second positioning seat body 31 is greater than the height of the first positioning seat body 21. The second positioning bolt 32 is arranged in a horizontal direction and is installed on the second positioning seat body 31 by thread connection.

[0029] See Figure 2 The two sets of second side positioning seats 3 respectively contact and abut against the sides of the two workpiece bases, providing two support points to limit the rotation of the workpiece.

[0030] The pressure plate unit is used to press the flange edge of the workpiece. The pressure plate unit includes: two sets of first pressure plate assemblies 5 and two sets of second pressure plate assemblies 6.

[0031] See Figure 1 and Figure 2 Two sets of first pressure plate assemblies 5 are symmetrically arranged. Each set of first pressure plate assemblies 5 includes a first pressure plate body 51, a first connecting stud 52, and a first support bolt 53. One end of the first pressure plate body 51 has a right-angled concave corner structure, and the two right-angled sides of the right-angled concave corner structure contact and abut with the upper surface and outer circular surface of the flange edge of the workpiece, respectively. The other end of the first pressure plate body 51 has an end screw hole, and the middle part of the first pressure plate body 51 has a middle screw hole. The head of the first support bolt 53 contacts and abuts with the base plate 1, and the shank of the first support bolt 53 is installed in the end screw hole of the first pressure plate body 51. The lower end of the first connecting stud 52 is fixedly mounted on the base plate 1, and the upper end of the first connecting stud 52 is bolted to the middle screw hole.

[0032] See Figure 1 and Figure 2 Two sets of second pressure plate assemblies 6 are symmetrically arranged. Each set of second pressure plate assemblies 6 includes a second pressure plate body 61, a second connecting stud 62, and a second support bolt 63. The second pressure plate body 61 is block-shaped, and a first end screw hole and a second end screw hole are respectively opened at both ends of the second pressure plate body 61. The head of the second support bolt 63 contacts and abuts against the base plate 1, and the shank of the second support bolt 63 is installed in the first end screw hole of the second pressure plate body 61. The lower end of the second connecting stud 62 is fixedly mounted on the base plate 1, and the upper end of the second connecting stud 62 is bolted to the second end screw hole.

[0033] The upper side positioning unit is used to position the outer circle of the boss of the workpiece, including: positioning bracket 8, side positioning block 7 and two upper side positioning bolts 12.

[0034] The positioning bracket 8 has an arc-shaped structure, and its bottom is fixed to the base plate 1. Two upper side positioning bolts 12 are symmetrically arranged on both sides of the top of the positioning bracket 8 and are threadedly connected to the positioning bracket 8. The ends of the upper side positioning bolts 12 abut against the outer circular surface of the workpiece's boss.

[0035] See Figure 1 The side positioning block 7 includes a side positioning block body 71 and a positioning bolt 72. The side positioning block 7 body has an L-shaped structure, with one end fixed to the positioning bracket 8 by bolts, and the other end provided with a screw hole. The positioning bolt 72 is installed in the screw hole by bolts. The positioning bolt 72 provides a support point, which is an adjustable support point, and is adjusted by adjusting the engagement depth of the positioning bolt 72 in the screw hole.

[0036] See Figure 2 The two upper side positioning bolts 12 and the side positioning block 7 work together to provide three support points for the outer circle of the workpiece boss, thereby positioning the outer circle of the workpiece boss.

[0037] The rotor hole positioning unit is used to position the rotor hole of the workpiece, and includes a first positioning shaft core 9 and a second positioning shaft core 10. The first positioning shaft core 9 is used to position the large rotor hole of the workpiece, and the second positioning shaft core 10 is used to position the small rotor hole of the workpiece.

[0038] The transparent fixture 11 is a transparent acrylic sheet. It has a first mating hole and a second mating hole that mate with the first positioning shaft 9 and the second positioning shaft 10, respectively. The edge of the first mating hole is engraved with lines matching the shape of the large rotor hole on the workpiece, and the edge of the second mating hole is engraved with lines matching the shape of the small rotor hole on the workpiece. After the workpiece is mounted on the fixture, the operator checks whether the engraved lines on the fixture match the shape of the rotor hole on the workpiece. If they do not match, the position is adjusted by adjusting one or more of the lower side positioning unit, the upper side positioning unit, and the pressure plate unit. After checking that the engraved lines on the transparent fixture 11 match the shape of the rotor hole on the workpiece, the fixture is removed before workpiece processing.

[0039] See Figure 1 The base plate 1 is also equipped with multiple auxiliary support bolts 13 for supporting the bottom surface of the workpiece.

[0040] The usage of the positioning and clamping device for the rotor support in this embodiment is as follows:

[0041] The workpiece is positioned using the rotor hole positioning unit. Then, the lower side positioning unit and pressure plate unit position the flange edge of the workpiece. Next, the upper side positioning unit positions the upper boss of the workpiece. Afterwards, a transparent inspection fixture is used for inspection. If the inspection results are not satisfactory, the lower side positioning unit, upper side positioning unit, and pressure plate unit are adjusted accordingly until the workpiece meets the inspection requirements. The transparent inspection fixture is then removed before further processing of the workpiece.

[0042] The above embodiments are merely preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model are included within the scope of protection of this utility model.

Claims

1. A positioning and clamping device for a rotor support seat, characterized in that, The positioning device comprises a base plate and a lower side positioning unit, an upper side positioning unit, a pressing plate unit and a rotor hole positioning unit fixed on the base plate; The lower side positioning unit comprises two groups of first side positioning seats and one group of third side positioning seats for positioning the outer circle of the flange edge of the workpiece, and two groups of second side positioning seats for positioning the bottom foot of the workpiece; The upper side positioning unit comprises a positioning bracket, and a side positioning block and an upper side positioning bolt for positioning the outer circle of the boss of the workpiece are installed on the positioning bracket; The pressing plate unit comprises two groups of first pressing plate assemblies and two groups of second pressing plate assemblies for pressing the flange edge of the workpiece; The rotor hole positioning unit comprises a first positioning shaft core for positioning the large rotor hole of the workpiece and a second positioning shaft core for positioning the small rotor hole of the workpiece.

2. The positioning and clamping device for the rotor support seat according to claim 1, characterized in that, Further comprising a transparent gauge, The transparent gauge is provided with a first matching circular hole and a second matching circular hole matched with the positions of the first positioning shaft core and the second positioning shaft core respectively, the edge of the first matching circular hole is marked with a line consistent with the shape of the large rotor hole of the workpiece, and the edge of the second matching circular hole is marked with a line consistent with the shape of the small rotor hole of the workpiece.

3. The positioning and clamping device for the rotor support seat according to claim 1, characterized in that: wherein The two groups of first side positioning seats are symmetrically arranged, and each group of the first side positioning seats comprises a first positioning seat body and a first positioning bolt, the first positioning seat body is in an L-shaped structure, and the first positioning bolt is arranged in a horizontal direction and is threadedly connected to the first positioning seat body.

4. The positioning and clamping device for the rotor support seat according to claim 3, characterized in that: wherein, The two groups of second side positioning seats are symmetrically arranged, and each group of the second side positioning seats comprises a second positioning seat body and a second positioning bolt; The second positioning seat body is in an L-shaped structure, and the height of the second positioning seat body is greater than the height of the first positioning seat body; The second positioning bolt is arranged in a horizontal direction and is threadedly connected to the second positioning seat body.

5. The positioning and clamping device for the rotor support seat according to claim 3, characterized in that: wherein The third side positioning seat comprises a third positioning seat body and a third positioning bolt, the third positioning seat body is in a convex-shaped structure, and the third positioning bolt is arranged in a horizontal direction and is threadedly connected to the third positioning seat body.

6. The positioning and clamping device for the rotor support seat according to claim 1, characterized in that: wherein The two groups of first pressing plate assemblies are symmetrically arranged, and each group of the first pressing plate assemblies comprises a first pressing plate body, a first coupling stud and a first supporting bolt; One end of the first pressing plate body is in a right-angle female corner structure, the other end of the first pressing plate body is provided with an end screw hole, and the middle part of the first pressing plate body is provided with a middle screw hole; The head of the first supporting bolt is in contact with the base plate, and the rod part of the first supporting bolt is installed in the end screw hole; The lower end of the first coupling stud is fixed on the base plate, and the upper end is threadedly connected with the middle screw hole. 7.The positioning and clamping device for a rotor support seat according to claim 1, characterized in that: wherein, two sets of the second pressing plate assemblies are symmetrically arranged, each set of the second pressing plate assembly comprises a second pressing plate body, a second coupling stud and a second supporting bolt; the second pressing plate body is in a square shape, and first and second end portion screw holes are respectively formed in two ends of the second pressing plate body; the head of the second supporting bolt is in contact with the bottom plate, and the shank of the second supporting bolt is installed in the first end portion screw hole; the lower end of the second coupling stud is fixed on the bottom plate, and the upper end is bolted with the second end portion screw hole. 8.The positioning and clamping device for a rotor support seat according to claim 1, characterized in that: wherein, the positioning bracket is in a circular arc structure, the bottom of the positioning bracket is fixed on the bottom plate, and two upper side positioning bolts are symmetrically arranged on the top of the positioning bracket and are in threaded connection with the positioning bracket, and the shank end of the upper side positioning bolt is in contact with the outer circular surface of the boss. 9.The positioning and clamping device for a rotor support seat according to claim 8, characterized in that: wherein the side positioning block comprises a side positioning block body and a positioning bolt; the side positioning block body is in an L-shaped structure, one end of the side positioning block body is fixed on the positioning bracket, and the other end of the side positioning block body is provided with a screw hole for installing the positioning bolt. 10.The positioning and clamping device for a rotor support seat according to claim 1, characterized in that: wherein, a plurality of auxiliary supporting bolts for supporting the bottom surface of the workpiece are further fixed on the bottom plate.

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