Tool for assembling torquer stator assembly

Abstract

The utility model provides a tool for assembling torquer stator assemblies. The tool can assist a torquer stator assembly I and a torquer stator assembly II in a quartz flexible accelerometer to be assembled and fixed. The device comprises a clamp and a welding bracket, by changing the structure of the pressure head, the contact area between the pressure head and the torquer stator assembly I is reduced, so that the pressure on the torquer stator assembly I can be uniform; meanwhile, a layer of rubber pad is arranged between the pressing head and the pressing nut to compensate the change of the product pressure caused by the relative position change of the pressing nut and the pressing head at high and low temperatures, tool errors caused by thermal expansion and cold contraction at the high and low temperatures are avoided, the influence on the product index precision is reduced, and the product debugging precision and the output precision at the high and low temperatures can be improved; product components to be assembled are combined together according to space relative positions specified by design, and preset tasks such as assembling and debugging are completed.

Description

Technical Field

[0001] The utility model belongs to the technical field of inertial sensors, and in particular relates to a tool for assembling a torquer stator component. Background Art

[0002] A qualified quartz flexible accelerometer should be able to output stable data in both high and low temperature environments. This is mainly achieved by assembling and fixing the internal torquer stator assembly I, pendulum assembly, and torquer stator assembly II (when assembling the pendulum assembly, it is supported to the end face of the torquer stator assembly II by three bosses evenly distributed on the circumference of the quartz pendulum frame) to achieve accurate positioning of the above three components, ensuring that the positions of the above three components will not change during the application process, thereby maintaining the product output value stable. Because there is a repulsive force between the torquer stator assembly I and the stator assembly II in the quartz flexible accelerometer, there is a certain degree of difficulty in assembly, so it is necessary to use tooling for assembly and fixation.

[0003] Chinese patent application CN116787014A discloses a manufacturing process for a quartz flexible accelerometer torquer stator, which provides an assembly tool for the torquer stator assembly. However, the tool does not take into account the force application problem during the assembly process. When the pressure head applies pressure to the stator assembly I, the following problems may exist: 1) Since the quartz swing frame is supported on the upper end surface of the torquer stator assembly II through three bosses, the geometric center point of the inverted isosceles triangle formed by the center points of the three bosses of the quartz swing frame is not at the center position of the torquer stator assembly (that is, it is not coaxial with the center point of the torquer stator assembly, but is eccentric), and it is impossible to 1) Ensuring that the point of application of the axial clamping force of the fixture is consistent with the geometric center point of the quartz pendulum frame (i.e. coaxial), will cause uneven force on the three bosses of the quartz pendulum frame, and the position between the stator assembly II of the torquer will be difficult to control, and even the force components on each boss will be unequal, causing damage to the pendulum assembly; 2) When the operator applies force to the clamping screw, because it is tightened manually, it is impossible to ensure the consistency of force, and it is impossible to achieve fast assembly and quality consistency for products of the same model; 3) In high and low temperature environments, the relative position of the clamping nut and the pressure head will change, affecting the clamping stability and thus affecting the accuracy of the product.

[0004] In view of this, the utility model provides a new tool for assembling a torquer stator assembly. Summary of the invention

[0005] The utility model aims to solve the problems existing in the prior art and provides a tool for assembling a torquer stator assembly, which can assist in assembling and fixing a torquer stator assembly I and a torquer stator assembly II in a quartz flexible accelerometer.

[0006] To achieve the above purpose, the technical solution provided by the utility model is:

[0007] A tool for assembling a torquer stator assembly, which is special in that it includes a clamp and a welding bracket;

[0008] The clamp is used to stably clamp the torquer stator assembly I, the pendulum assembly and the torquer stator assembly II, and includes a clamp body, a clamping nut, a pressure head, a guide column, a pressure rod, a positioning pillar, a positioning sleeve, a support pad, a clamp and a clamp ring;

[0009] The clamp body comprises a vertical arm and an upper horizontal arm and a lower horizontal arm arranged perpendicular to the vertical arm; the upper horizontal arm and the lower horizontal arm are coaxially provided with a first mounting hole and a second mounting hole; the first mounting hole is a stepped through hole with a decreasing aperture from top to bottom, namely, stepped hole 1 and stepped hole 2; the upper horizontal arm is also provided with a tightening hole perpendicular to the stepped hole 2; it can be seen that the clamp body as a whole is a horizontal U-shaped structure, and the six sides of the U-shaped structure have a large support area, and the fixture (including the components to be assembled) can be easily installed in the six directions perpendicular to the shape. ) The center of gravity of the geometric body formed by the U-shaped structure falls within the supporting surfaces of the clamp body. The clamp can be placed on a horizontal workbench in any shape plane as needed without tipping over. The width of the support body (25mm) of the U-shaped structure not only ensures the structural strength of the clamp body, but also meets the requirement that the laser welding of the product is not less than three-quarters of the circumference. The inner sides of the upper and lower cross arms of the U-shaped structure are chamfered to reduce the possible obstruction and interference of the laser when the outer circumference of the product is welded along the oblique direction. The lower cross arm has a wire groove to facilitate the placement of the lead wires of the torquer stator assembly II.

[0010] The upper end of the guide column is installed in the first mounting hole through a bushing, and a U-shaped notch is axially arranged on the column body; a through hole is arranged on the bushing at a position corresponding to the tightening hole; the top screw passes through the tightening hole and the through hole in sequence and tightens in the U-shaped notch of the guide column to fix the position of the guide column; the pressure head is coaxially installed on the upper end face of the guide column, and the pressure rod is eccentrically installed on the lower end face, so that the pressure force application point of the pressure rod on the product torquer stator assembly is coaxial with the geometric center of the three positioning bosses of the quartz swing frame, that is, the pressure application point is distributed on the geometric center of the three positioning bosses of the quartz swing frame, ensuring that the three positioning bosses are uniformly stressed; the outer diameter of the pressure rod is smaller than the outer diameter of the product torquer stator assembly, and the finish is Ra1.6-3.2. Controlling the finish of the pressure rod within this range helps to ensure uniform stress on the torquer stator assembly I;

[0011] The clamping nut is adapted to be installed on the upper end of the bushing and pressed on the pressure head, and a rubber pad is arranged between the bottom surface and the pressure head. Because the tooling will produce a slight expansion or contraction under high and low temperature changes, the guide column will push the clamping nut a distance at high temperature, resulting in a reduction in the pressure of the pressure head on the product at high temperature, and a certain gap is generated between the pressure head and the clamping nut at low temperature, resulting in a reduction in the pressure of the pressure head on the product at low temperature. In both cases, the product accuracy will not be affected. Therefore, the utility model arranges a layer of rubber pad between the pressure head at the upper end of the guide column and the clamping nut, and the clamping nut presses the rubber pad and the pressure head. The guide column transmits the pressure of the clamping nut on the pressure head to the torquer stator assembly I through the pressure rod, ensuring that the pressure value does not change under high and low temperature conditions, thereby ensuring The relative gap of the torquer stator assembly does not change. Here, the flexibility and elasticity of the rubber material itself are used to form a buffer at high temperature to absorb the impact energy of the pressure head on the clamping nut, ensuring that the clamping nut will not be loosened. At low temperatures, the rubber pad can fill the gap between the pressure head and the clamping nut to ensure that the pressure of the pressure rod on the stator assembly does not change, aiming to ensure that the pressure on the torquer stator assembly I does not change at high and low temperatures; a mounting hole connected to the torque wrench is reserved at the top of the clamping nut, that is, the clamping nut is a nut suitable for the torque wrench, which can ensure the consistency of force application and does not introduce adverse effects caused by operators (for example: different operators have different tightening forces, which will cause the force between the clamping nut and the pressure head);

[0012] The positioning pillar includes a first step shaft and a second step shaft which are coaxially connected from top to bottom; the second step shaft is installed in the second mounting hole of the lower cross arm and can slide up and down smoothly under the action of external force (that is, the positioning pillar can slide up and down in the second mounting hole by applying force by hand, and there is no obvious shaking gap when touched); the outer diameter of the first step shaft is consistent with the outer diameter of the product torquer stator assembly; there are two wire outlet slots on the positioning pillar to facilitate the placement of the leads of the product torquer stator assembly II.

[0013] The support pad, positioning sleeve and clamp are used to pre-assemble the product torquer stator assembly; wherein the upper surface and the lower surface of the support pad are both flat, and a third mounting hole is arranged in the middle; the second stepped shaft of the positioning pillar can be inserted into the third mounting hole, and can slide up and down smoothly under the action of external force; the positioning sleeve is under the clamp of the clamp, and is a sleeve with a plurality of U-shaped grooves evenly arranged along the circumference and opening upward, and its inner diameter size is consistent with the outer diameter size of the product torquer stator assembly, and is used to tightly wrap the positioning pillar and the product torquer stator assembly to prevent the axial position of the product torquer stator assembly from changing. When the clamp is clamped, the positioning sleeve can be tightly wrapped on the outer circle of the positioning pillar without sliding up and down; the depth of the U-shaped groove of the positioning sleeve is lower than the bottom surface of the product swing frame; the upper end surface of the positioning sleeve is higher than the upper end surface of the product torquer stator assembly;

[0014] The clamp ring is used to clamp the stator assembly of the product torquer pressed by the pressure rod;

[0015] The upper end of the welding bracket is adapted to be installed with the bottom of the clamp body, and the lower end is adapted to be installed with the welding device, so that the clamp can be installed on the welding device.

[0016] Furthermore, the guide column is a combined stepped shaft, which includes a third stepped shaft and a fourth stepped shaft coaxially connected from top to bottom;

[0017] The third stepped shaft is installed in the second stepped hole through a bushing, the pressure head is coaxially installed on the upper end thereof, and a U-shaped notch is provided on the shaft body;

[0018] The diameter of the fourth step shaft is larger than that of the third step shaft, and is consistent with the size of the torquer stator assembly, and a fourth mounting hole is eccentrically provided at the lower end thereof;

[0019] The pressure rod is a combined stepped shaft, which includes a fifth stepped shaft and a sixth stepped shaft which are coaxially connected from top to bottom, wherein the fifth stepped shaft is interference-pressed into the fourth mounting hole.

[0020] Furthermore, the clamp comprises a first outer frame mass body and a second outer frame mass body which are hinged to each other on one side, and the two can be fitted on the positioning sleeve when closed, and the other side is fastened by a knurled screw;

[0021] The clamping ring includes a first clamping ring member and a second clamping ring member hinged to each other on one side, which can be fitted on the product ring I when closed, and the other side is fastened by a knurled screw; the width of the first clamping ring member and the second clamping ring member is smaller than the width of the product ring I, and rubber pads are provided on the inner sides of the two clamping ring members.

[0022] Furthermore, in order to facilitate the installation of the entire tooling on the welding equipment, a first blind hole and a second blind hole are provided at the bottom of the clamp body and on both sides of the second mounting hole;

[0023] The welding bracket comprises a base plate, a first mounting rod and a second mounting rod adapted to be mounted with the first blind hole and the second blind hole are arranged on the upper surface of the base plate, and a third mounting rod adapted to be mounted with the welding device is arranged on the lower surface of the base plate.

[0024] Furthermore, the positioning sleeve includes a first set and a second set, and after assembly, four U-shaped grooves with openings facing upwards are evenly arranged along the circumference.

[0025] Furthermore, the thickness of the rubber pad is 2 mm.

[0026] Furthermore, the depth of the U-shaped groove of the positioning sleeve is 3 mm lower than the bottom surface of the product swing frame; the upper end surface of the positioning sleeve is 3 mm higher than the upper end surface of the product torquer stator assembly.

[0027] Furthermore, by calculating the geometric center point position of the inverted isosceles triangle formed by the center points of the three bosses of the current quartz swing frame, the fourth mounting hole is set at a position 2.5 mm away from the center position; of course, the eccentric position is different for different models;

[0028] The sixth step shaft has a finish of Ra3.2.

[0029] Furthermore, a square opening of 9.52×9.52 mm and a depth of 6 mm is opened at the upper end of the clamping nut.

[0030] Furthermore, the outer diameter of the fifth stepped shaft on the pressure rod is φ3n7 mm, and is interference fit with the fourth mounting hole.

[0031] Advantages of the utility model:

[0032] 1. Through in-depth analysis by the research team, the utility model redesigns the pressure head and designs the pressure rod into an eccentric structure, so that the points of action of the clamping force on the torquer stator assembly are distributed on the geometric centers of the three positioning bosses of the quartz pendulum frame, ensuring that the three positioning bosses are evenly stressed, thereby avoiding the occurrence of uneven force and damage to the pendulum assembly; at the same time, a layer of rubber pad is arranged between the pressure head and the clamping nut to compensate for the change in the relative position of the clamping nut and the pressure head under high and low temperatures, causing changes in the pressure on the torquer stator assembly, avoiding tooling errors caused by thermal expansion and contraction under high and low temperatures, reducing the impact on product index accuracy, and helping to improve product debugging accuracy and output accuracy under high and low temperatures, so that the product components to be assembled are combined together according to the spatial relative positions specified in the design, and complete the predetermined assembly, debugging and other tasks.

[0033] 2. The pressure applied by the tooling of the utility model to the assembled parts is the same at any temperature (high and low temperature, room temperature), thereby avoiding changes in output data caused by high and low temperature changes of the product and improving the test accuracy of the quartz flexible accelerometer.

[0034] 3. The utility model redesigns the clamping nut into a structure that can be connected to a torque wrench. The torque of the clamping nut installation is controlled by the torque wrench, thereby ensuring the consistency of the torque of the clamping nut of each tooling and avoiding errors caused by uncontrollable installation torque.

[0035] 4. The utility model overcomes the repulsive force between the two parts, presses the torquer stator assembly I and the torquer stator assembly II together, and by adjusting the tightness of the clamping nut, the change of the pressure of the pressure rod on the torquer stator assembly can be controlled, thereby affecting the size of the product output value. When the debugging is qualified, the position of the clamping nut no longer changes, the pressure value of the product no longer changes, and the product output value remains stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 The structure of the utility model tool is shown in FIG. Figure 1 ;

[0037] Figure 2 for Figure 1 Middle AA section view;

[0038] Figure 3 A schematic diagram of the structure of the initial installation of the torquer stator assembly using the utility model tooling

[0039] Figure 4 It is a structural schematic diagram of the welding bracket in the tooling of the utility model;

[0040] Figure 5 This is a schematic diagram of the structure of the local components of the tooling of the utility model

[0041] Figure 6 This is a schematic diagram of the structure of the clamping ring of the utility model;

[0042] Figure 7 This is a schematic diagram of welding tooling of the utility model;

[0043] Figure 8 It is the structural diagram of product ring I;

[0044] The reference numerals are as follows:

[0045] 1-tightening nut, 2-rubber pad, 3-pressure head, 4-bushing, 5-top screw, 6-guide column, 7-pressure rod, 8-positioning pillar, 9-clamp body, 10-positioning sleeve, 11-clamp, 12-support pad, 13-welding bracket, 14-clamp ring, 15-torquer stator assembly I, 16-torquer stator assembly II. DETAILED DESCRIPTION

[0046] The following is a further detailed description of the present invention in conjunction with the accompanying drawings and specific embodiments:

[0047] like Figure 1-Figure 8 As shown, a tool for assembling a torquer stator assembly includes a clamp and a welding bracket.

[0048] The clamp is used for stably clamping the torquer stator assembly I, the pendulum assembly and the torquer stator assembly II, and comprises a clamp body, a clamping nut, a pressure head, a guide column, a pressure rod, a positioning pillar, a positioning sleeve, a support pad and a clamp.

[0049] The clamp body includes a vertical arm and an upper horizontal arm and a lower horizontal arm arranged perpendicular to the vertical arm; the upper horizontal arm and the lower horizontal arm are coaxially provided with a first mounting hole and a second mounting hole, that is, the first mounting hole is arranged on the upper horizontal arm, and the second mounting hole is arranged on the lower horizontal arm; the first mounting hole is a stepped through hole with a decreasing aperture from top to bottom, namely, stepped hole one and stepped hole two; the upper horizontal arm is also provided with a tightening hole perpendicular to stepped hole two; the bottom of the base and both sides of the second mounting hole are provided with a first blind hole and a second blind hole.

[0050] The guide column is a stepped shaft, which includes a third stepped shaft and a fourth stepped shaft coaxially connected from top to bottom; the upper end face of the third stepped shaft is coaxially installed with a pressure head with a curved upper surface, and a U-shaped groove is axially arranged on the column body; it is installed in the first mounting hole of the upper cross arm (the first stepped shaft is mainly located in the second stepped hole) through a bushing with an external thread; the bushing is of the same shape as the first mounting hole, and a through hole is arranged on it corresponding to the position of the tightening hole; the top screw passes through the tightening hole and the through hole in turn and tightens in the U-shaped groove of the guide column to fix the position of the guide column; the clamping nut is adapted to be installed on the upper end of the bushing and pressed on the pressure head, and a rubber pad is arranged between its bottom surface and the pressure head. The rubber pad is 2mm thick and is glued to the bottom surface of the clamping nut. At the same time, the clamping nut is a nut that cooperates with a torque wrench, that is, a mounting hole connected to the torque wrench is reserved at the top of the clamping nut. The diameter of the fourth step shaft is larger than that of the third step shaft, and is consistent with the size of the torquer stator assembly. A fourth mounting hole is provided at the lower end thereof at an eccentric distance of 2.5 mm from the center position.

[0051] The pressure rod is a combined stepped shaft, which includes the fifth and sixth stepped shafts connected coaxially from top to bottom, wherein the fifth stepped shaft is press-fitted into the fourth mounting hole; the outer diameter of the sixth stepped shaft is larger than the outer diameter of the fifth stepped shaft and smaller than the outer diameter of the product torquer stator assembly, and the finish is Ra3.2. In this way, the point of application of the pressure rod's pressing force on the product torquer stator assembly will be coaxial with the geometric center of the three positioning bosses of the quartz swing frame, avoiding uneven force during pressing.

[0052] The positioning pillar includes a first step shaft and a second step shaft that are coaxially connected from top to bottom; the second step shaft is installed in the second mounting hole of the lower cross arm and can slide up and down smoothly under the action of external force (that is, the positioning pillar can slide up and down in the second mounting hole by applying force by hand, and there is no obvious shaking gap when felt by hand); the outer diameter of the first step shaft is consistent with the outer diameter of the product torquer stator assembly; there are two wire outlet slots on the positioning pillar to facilitate the placement of the leads of the product torquer stator assembly II.

[0053] The positioning sleeve includes a first kit and a second kit. After the first kit and the second kit are assembled, they are adapted to be mounted on the positioning pillar and fastened by a clamp (the clamp includes a first outer frame mass body and a second outer frame mass body hinged to each other on one side, and the two can be adapted to be mounted on the positioning sleeve when closed, and the other side is fastened by a knurled screw) to form a sleeve with 4 U-shaped grooves evenly arranged along the circumference and facing upward. The depth of the U-shaped groove of the positioning sleeve is 3mm lower than the bottom surface of the product swing frame; the upper end surface of the positioning sleeve is 3mm higher than the upper end surface of the product torquer stator assembly.

[0054] The support pad is used to pre-assemble the product torquer positioning assembly with the positioning sleeve and the clamp. Its upper and lower surfaces are both flat, and a third mounting hole is set in the middle. The fourth step shaft of the positioning pillar can be inserted into the third mounting hole and can slide up and down smoothly under the action of external force.

[0055] The clamping ring includes a first clamping ring part and a second clamping ring part which are hinged to each other on one side. The two clamping ring parts can be fitted on the product ring I when closed, and the other side is fastened by a knurled screw; the width of the first clamping ring part and the second clamping ring part is smaller than the width of the product ring I.

[0056] The welding bracket includes a base plate, the upper surface of the base plate is provided with a first mounting rod and a second mounting rod adapted to be installed with a first blind hole and a second blind hole, and the lower surface of the base plate is provided with a third mounting rod adapted to be installed with a welding device; its upper end is adapted to be installed with the bottom of the base, and its lower end is adapted to be installed with the welding device, so that the clamp can be installed on the welding device.

[0057] When using:

[0058] 1. Clean all parts of the fixture and prepare the product components to be assembled;

[0059] 2. Place the support pad 12 on a horizontal plane, and install the positioning pillar 8 into the third mounting hole of the support pad 12, ensuring that the step surface of the positioning pillar 8 is in reliable contact with the upper end surface of the support pad 12;

[0060] 3. First, place the lower end face of the torquer stator assembly II on the upper end face of the positioning pillar 8. When placing it, make sure that the outlet line of the torquer stator assembly II is at the notch of the positioning pillar 8. Then place the pendulum assembly on the upper end face of the torquer stator assembly II. Adjust the position to ensure that the pendulum assembly and the torquer stator assembly II are concentric with the positioning pillar 8 respectively.

[0061] 4. Place the two sets of the positioning sleeve 10 on the left and right sides of the positioning pillar 8 respectively, with the bottom surface supported by the support pad 12; push the two sets of the positioning sleeve 10 inward with both hands at the same time until they are tightly attached to the cylindrical surface of the positioning pillar 8;

[0062] 5. Put the clamp 11 on the outer circle of the positioning pillar 8, and the lower end surface of the clamp naturally falls on the surface of the support pad 12. The knurled screw on the fastener clamp 11 ensures that the positioning sleeve 10 and the positioning pillar 8 are securely fastened;

[0063] 6. Place the torquer stator assembly I into the inner hole of the positioning sleeve 10 according to the product assembly direction. At this time, the torquer stator assembly I should be completely suspended and positioned in the hole of the positioning sleeve 10 (due to the repulsion of the two magnetic steels in the torquer stator assembly I and the torquer stator assembly II);

[0064] 7. Remove the product components and positioning pillar 8 fixed together by the clamp 11 from the hole of the support pad 12, and move them parallel to the second mounting hole of the component clamp body 9. Rotate the positioning pillar 8 so that the two notches on it are aligned with the two lead grooves on the clamp body 9;

[0065] 8. Put the product ring I on the outer circle of the guide column;

[0066] 9. Install the compression nut 1 and tighten the compression nut 1 with a torque wrench until the torque value displayed on the torque wrench reaches the process given value;

[0067] 10. Disassemble the clamp 11 and the positioning sleeve 10;

[0068] 11. Use your hands to push the product ring I downward along the surface of the guide column until the two raised rings on the inner wall of the ring I are respectively inserted into the ring grooves on the outer circles of the torquer stator assembly I and the torquer stator assembly II; rotate the ring I and visually align its notch with the inner vertical surface of the clamp body 9;

[0069] 12. Put the clamp ring 14 on the middle part of the product ring I to ensure that the clamp ring 14 does not block the laser beam during the welding process, and tighten the screws on the clamp ring 14;

[0070] 13. Install the welding bracket 13 in the mounting hole of the bottom surface of the clamp body 9 in sequence, and use the laser welding machine for rotation welding to weld the product ring I with the torquer stator assembly I and the torquer stator assembly II respectively;

[0071] 14. Disassemble and take out the completed assembled product.

[0072] The above description is only a specific implementation mode of the present utility model, but the protection scope of the present utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or substitutions within the technical scope disclosed in the present utility model, and these modifications or substitutions should be included in the protection scope of the present utility model.

Claims

1. A tool for assembling a torquer stator assembly, characterized in that: Includes clamps and welding brackets; The clamp comprises a clamp body, a compression nut, a pressure head, a guide column, a pressure rod, a positioning support column, a positioning sleeve, a support pad, a clamp and a clamp ring; The clamp body comprises a vertical arm and an upper horizontal arm and a lower horizontal arm arranged perpendicular to the vertical arm; the upper horizontal arm and the lower horizontal arm are coaxially provided with a first mounting hole and a second mounting hole; the first mounting hole is a stepped through hole with a decreasing aperture from top to bottom, namely, stepped hole 1 and stepped hole 2; the upper horizontal arm is also provided with a tightening hole perpendicular to the stepped hole 2; The upper end of the guide column is installed in the first mounting hole through a bushing, and a U-shaped notch is provided on the column body; a through hole is provided on the bushing at a position corresponding to the tightening hole; the top screw passes through the tightening hole and the through hole in sequence and tightens in the U-shaped notch of the guide column to fix the position of the guide column; the pressure head is coaxially installed on the upper end surface of the guide column, and the pressure rod is eccentrically installed on the lower end surface, so that the pressure force application point of the pressure rod on the product torquer stator assembly is coaxial with the geometric center of the three positioning bosses of the quartz swing frame; the outer diameter of the pressure rod is smaller than the outer diameter of the product torquer stator assembly, and the finish is Ra1.6-3.2; The compression nut is adapted to be installed on the upper end of the bushing and pressed against the pressure head, a rubber pad is arranged between the bottom surface and the pressure head, and a mounting hole connected to the torque wrench is reserved on the top; The positioning pillar includes a first step shaft and a second step shaft connected coaxially from top to bottom; the second step shaft is installed in the second installation hole of the lower cross arm and can slide up and down smoothly under the action of external force; the outer diameter of the first step shaft is consistent with the outer diameter of the product torquer stator assembly, and is used to support the product torquer stator assembly II; The support pad, positioning sleeve and clamp are used to pre-assemble the product torquer stator assembly; wherein the upper surface and the lower surface of the support pad are both planes, and a third mounting hole is arranged in the middle; the second stepped shaft of the positioning pillar can be inserted into the third mounting hole, and can slide up and down smoothly under the action of external force; the positioning sleeve is under the clamp of the clamp, and is a sleeve with a plurality of U-shaped grooves evenly arranged along the circumference and opening upward, and its inner diameter size is consistent with the outer diameter size of the product torquer stator assembly, and is used to tightly wrap the positioning pillar and the product torquer stator assembly to prevent the axial position of the product torquer stator assembly from changing; the depth of the U-shaped groove of the positioning sleeve is lower than the bottom surface of the product swing frame; the upper end surface of the positioning sleeve is higher than the upper end surface of the product torquer stator assembly; The clamp ring is used to clamp the stator assembly of the product torquer pressed by the pressure rod; The upper end of the welding bracket is adapted to be installed with the bottom of the clamp body, and the lower end is adapted to be installed with the welding device, so that the clamp can be installed on the welding device.

2. The tooling for assembling a torquer stator assembly according to claim 1, characterized in that: The guide column is a combined stepped shaft, which includes a third stepped shaft and a fourth stepped shaft coaxially connected from top to bottom; The third stepped shaft is installed in the second stepped hole through a bushing, the pressure head is coaxially installed on the upper end thereof, and a U-shaped notch is provided on the shaft body; The diameter of the fourth step shaft is larger than that of the third step shaft, and is consistent with the size of the torquer stator assembly, and a fourth mounting hole is eccentrically provided at the lower end thereof; The pressure rod is a combined stepped shaft, which includes a fifth stepped shaft and a sixth stepped shaft coaxially connected from top to bottom, wherein the fifth stepped shaft is interference-pressed into the fourth mounting hole.

3. The tooling for assembling a torquer stator assembly according to claim 1 or 2, characterized in that: The clamp comprises a first outer frame mass body and a second outer frame mass body which are hinged to each other on one side, and the two can be fitted on the positioning sleeve when closed, and the other side is fastened by a knurled screw; The clamping ring includes a first clamping ring part and a second clamping ring part which are hinged to each other on one side. The two clamping ring parts can be fitted on the product ring I when closed, and the other side is fastened by a knurled screw; the width of the first clamping ring part and the second clamping ring part is smaller than the width of the product ring I.

4. The tooling for assembling a torquer stator assembly according to claim 3, characterized in that: The bottom of the clamp body and both sides of the second mounting hole are provided with a first blind hole and a second blind hole; The welding bracket comprises a base plate, a first mounting rod and a second mounting rod adapted to be mounted with the first blind hole and the second blind hole are arranged on the upper surface of the base plate, and a third mounting rod adapted to be mounted with the welding device is arranged on the lower surface of the base plate.

5. The tooling for assembling a torquer stator assembly according to claim 4, characterized in that: The positioning sleeve comprises a first set and a second set, and after being assembled, four U-shaped grooves with openings facing upwards are evenly arranged along the circumference.

6. The tooling for assembling a torquer stator assembly according to claim 5, characterized in that: The thickness of the rubber pad is 2 mm.

7. The tooling for assembling a torquer stator assembly according to claim 6, characterized in that: The depth of the U-shaped groove of the positioning sleeve is 3 mm lower than the bottom surface of the product swing frame; the upper end surface of the positioning sleeve is 3 mm higher than the upper end surface of the product torque device stator assembly.

8. The tooling for assembling a torquer stator assembly according to claim 2, characterized in that: The fourth mounting hole deviates from the center position by 2.5 mm; The sixth step shaft has a finish of Ra3.

2.

9. The tooling for assembling a torquer stator assembly according to claim 7, characterized in that: The upper end of the clamping nut is provided with a square opening of 9.52×9.52 mm and a depth of 6 mm.

10. The tooling for assembling a torquer stator assembly according to claim 9, characterized in that: The outer circle size of the fifth stepped shaft on the pressure rod is φ3n7, and is interference fit with the fourth mounting hole.

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