Turning device for motor shaft machining

Abstract

The invention relates to the technical field of turning machine tools, in particular to a turning device for motor shaft machining, which comprises a machine tool body and a turning tool mechanism slidably connected to the machine tool body, the machine tool body is rotatably connected with a bearing frame, and the interior of the bearing frame is rotatably connected with a bearing ring through a power mechanism; a fastening mechanism is mounted in the bearing ring; a mounting plate used for mounting a turning tool mechanism is slidably connected into the machine tool body, and a power part is arranged in the machine tool body. And the mounting plate and the bearing frame are in transmission connection through an intermittent switching mechanism. When the mounting plate drives the turning tool mechanism to slide towards one side close to the bearing frame, the mounting plate cannot drive the bearing frame to rotate in the machine tool body at the moment, and when the turning tool mechanism is located at the turning station, the turning tool mechanism is driven by the power part to turn the other end of the motor shaft workpiece. And one end of the motor shaft workpiece which is not turned can be turned in cooperation with the power mechanism again.

Description

Technical Field

[0001] The invention relates to the technical field of turning machine tools, in particular to a turning device for machining motor shafts. Background Art

[0002] As an important component of the motor, the motor shaft has many strict requirements in the field of mechanical equipment. First of all, strength and rigidity are crucial to withstand various stresses and loads during equipment operation. Secondly, it needs to have good wear resistance to ensure stable performance during long-term operation. High-precision dimensions and geometric tolerances are also key to ensure the accuracy and efficiency of motor operation. In addition, the motor shaft is also required to have good fatigue resistance to adapt to frequent starts and stops and different working conditions.

[0003] At the same time, as the core power source of many devices, the quality and precision of the motor shaft directly affects the performance and reliability of the motor. With the continuous development of science and technology, the requirements for motors are also increasing. At the same time, in order to enable the motor to meet the needs of daily production and life, the importance of the motor shaft is self-evident. In the production and processing of the motor shaft, it needs to go through turning, heat treatment, grinding and other processes before being assembled on the motor. The motor shaft is generally produced in large quantities and usually needs to have good mechanical strength, precise dimensions and smooth surfaces. For this reason, motor shaft turning operations are indispensable. In modern industry, motor shaft turning is a crucial manufacturing process.

[0004] When turning the motor shaft, a turning device is usually used to turn the motor shaft workpiece. After long-term development and improvement, traditional turning technology can achieve preliminary forming and certain precision processing of the motor shaft. For example, in the prior art, the application number is 202410756078.X, the authorization announcement number is CN118321582B, and the name is a turning device for motor shaft processing. The above patent discloses a turning device for motor shaft processing, including a base, and a side wall support mechanism, a turning mechanism and a turning moving mechanism arranged on the base, wherein the turning moving mechanism is arranged on the upper surface of the base, and the turning mechanism is arranged on the turning moving mechanism, and the turning moving mechanism is used to drive the turning mechanism to move linearly for cutting. The turning device for motor shaft processing in the above patent supports the other side of the motor shaft by adding a side wall support mechanism on the opposite side of the cutter head, offsets the lateral force of the cutter head, and prevents extrusion and bending during the turning process of the motor shaft, and the motor shaft is turned more smoothly.

[0005] Another example is a Chinese patent with application number 202223171683.6 and authorization announcement number CN220240070U, titled "A Type of Turning Equipment". The above patent discloses a turning equipment, which includes a base frame, a first electric slide rail is arranged along the left-right direction at the upper left end of the base frame, a turning tool device is arranged on the first electric slide rail of the base frame, a protective box is arranged on the upper part, an auxiliary positioning mechanism is arranged in the protective box, the motor shaft is placed in the protective box through the auxiliary positioning mechanism, semicircular holes are arranged on the left and right ends of the protective box, the two ends of the motor shaft respectively pass through and extend outside the semicircular holes, an annular slide groove is opened on the base frame, the protective box is slidably connected to the annular slide groove, a second electric slide rail is arranged along the left-right direction at the upper right end of the base frame, and a fixing mechanism is arranged on the second electric slide rail. The turning equipment in the above patent fixes one end of the motor shaft by a three-jaw chuck, and supports the shaft body of the motor shaft by a limiting roller group, thereby reducing the eccentric vibration of the motor shaft during rotation and turning, thereby effectively improving the turning accuracy.

[0006] In the above-mentioned patent, the turning quality of the motor shaft can be improved to a certain extent. It is known that one end of the motor shaft is connected to the motor body, and the end away from the motor body is connected to other parts. In order to facilitate the installation requirements of the motor shaft, both ends of the motor shaft need to be turned. In the prior art such as the above-mentioned patent, when the motor shaft needs to be turned, the motor shaft workpiece is fixed on the chuck, and then the turning tool component is used to perform the turning operation. When the turning operation is completed at one end of the motor shaft, the motor shaft can only be removed from the chuck, rotated 180°, and the unturned end of the motor shaft is close to the turning tool component, and then the above operation is repeated, and the unturned end of the motor shaft is turned using the turning tool component. In this process, in order to realize the turning operation at both ends of the motor shaft, the motor shaft needs to be removed from the chuck and reinstalled, and the operation process is repetitive and cumbersome. As is known, in order to improve the stability of the motor shaft turning operation, the connection between the chuck and the motor shaft workpiece is relatively stable. At this time, the operation process of removing the motor shaft from the chuck and then reinstalling it will greatly affect the turning efficiency of the motor shaft workpiece. At the same time, if two turning tool components are installed on a turning device, the cost of the entire turning device will be greatly increased.

[0007] Based on this, how to realize automatic switching and fixing of the motor shaft workpiece on a turning device without disassembly and using only one turning tool component is a technical problem that needs to be solved urgently. Summary of the invention

[0008] The object of the present invention is to provide a turning device for machining a motor shaft to solve the problems raised in the above-mentioned background technology.

[0009] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a turning device for motor shaft processing, comprising a machine tool body and a turning tool mechanism slidably connected to the machine tool body, a bearing frame rotatably connected to the machine tool body, a bearing ring rotatably connected to the inside of the bearing frame through a power mechanism, a fastening mechanism for fixing the motor shaft workpiece is installed inside the bearing ring; a mounting plate for mounting the turning tool mechanism is slidably connected inside the machine tool body, and a power member for driving the turning tool mechanism to slide so as to realize the feeding of the turning tool mechanism is arranged inside the machine tool body; and the mounting plate and the bearing frame are connected by an intermittent switching mechanism; when the turning operation is completed on one end of the motor shaft workpiece, the power member drives the turning tool mechanism to reset during the stroke in which the power member drives the bearing frame to rotate 180° through the intermittent switching mechanism, and then the power member drives the turning tool mechanism again to turn the other end of the motor shaft workpiece.

[0010] Furthermore, a trigger member for driving the fastening mechanism to move is provided on the machine tool body. When the motor shaft workpiece is in a vertical state with the machine tool body, the fastening mechanism does not fix the motor shaft workpiece. When the power member drives the turning tool mechanism to reset and drives the carrying frame to rotate 90° through the intermittent switching mechanism, the trigger member drives the fastening mechanism to fix the workpiece.

[0011] Furthermore, a carrying plate is rotatably connected to the machine tool body via a support rod, and the carrying frame is fixedly connected to the carrying plate; the intermittent switching mechanism includes a rotating rod, a switching gear is installed on the rotating rod, and a switching rack is fixedly connected to the mounting plate via an extension block, and the switching rack is meshed with the switching gear; a support rod is also rotatably connected to the machine tool body, a first spur gear is installed on the support rod, a second spur gear meshed with the first spur gear is provided on the rotating rod, and the support rod and the rotating rod are connected via an intermittent connecting piece.

[0012] Furthermore, the intermittent connecting member includes a connecting tube fixedly connected to the rotating rod, and a connecting rod fixedly connected to the support rod, a plurality of bases are fixedly connected to the connecting rod, each base is rotatably connected to a ratchet, a torque spring is arranged between each ratchet and the base, a tooth groove is opened inside the connecting tube, and the elastic force of the torque spring drives the ratchet to engage in the corresponding tooth groove.

[0013] Furthermore, the fastening mechanism includes two mounting frames connected to both sides of the carrying ring for sliding toward each other, each mounting frame is provided with a fastening block through a guide member; and each mounting frame is fixedly connected to a connecting frame, the two connecting frames are transmission-connected through a linkage part, one of the connecting frames is fixedly connected to a pressure rod, and when the pressure rod drives one of the connecting frames to slide, the other connecting frame will be driven to slide through the linkage part; a connecting spring is provided between one of the connecting frames and the machine tool body.

[0014] Furthermore, the trigger member includes a trigger rod fixedly connected to the machine tool body, an avoidance groove is opened on the carrying frame, and a locking member for fixing the pressure rod is provided on the carrying frame; when the carrying plate drives the carrying frame to rotate, the trigger rod abuts against the pressure rod and drives the pressure rod to slide in the carrying ring, and the pressure rod is fixed by the locking member.

[0015] Furthermore, a support plate is fixedly connected inside the machine tool body, an annular groove is provided on the support plate, a first support column and a second support column are fixedly connected to the bottom of the load-bearing plate, and the first support column and the second support column both rotate inside the annular groove; a blocking member is provided on the machine tool body for intermittently blocking the first support column and the second support column.

[0016] Furthermore, the blocking member includes a force-bearing block vertically slidably connected to the machine tool body, a blocking rod is fixedly connected to the force-bearing block, and a through hole is opened on the support plate, and the blocking rod is slidably connected to the through hole; and a pressure member for driving the blocking rod to slide upward is provided on the machine tool body, and during the stroke in which the power member drives the turning tool mechanism to reset, the pressure member drives the force-bearing block to drive the blocking rod to slide upward, thereby realizing the blocking operation on the first support column or the second support column.

[0017] Furthermore, the pressure member includes a guide frame fixedly connected to the switching rack, a trigger block is fixedly connected to the guide frame, and a pressure groove is opened on the force-bearing block, and the trigger block intermittently abuts against the pressure groove.

[0018] Furthermore, a controller is provided on the machine tool body.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows: the turning device for motor shaft processing, through the cooperation among the machine tool body, the turning tool mechanism, the bearing frame, the bearing ring, the fastening mechanism, the power component and the intermittent switching mechanism, firstly installs the motor shaft workpiece on the bearing frame, and uses the fastening mechanism to fix the motor shaft workpiece, and then uses the power component to drive the mounting plate to drive the turning tool mechanism to feed toward the side close to the motor shaft workpiece, and cooperates with the power mechanism to complete the turning operation of one end of the motor shaft.

[0020] When the turning operation is completed on one end of the motor shaft workpiece, the turning operation needs to be performed on the other end of the motor shaft. At this time, in order to facilitate the change of the turning position of the motor shaft workpiece, the turning tool mechanism needs to be driven away from the motor shaft workpiece. At this moment, the power part will be used to drive the mounting plate to drive the turning tool mechanism to slide to the side away from the bearing frame. In the stroke in which the power part drives the turning tool mechanism to reset, the intermittent switching mechanism drives the bearing frame to rotate 180°, that is, when the turning tool mechanism 3 slides to the side away from the motor shaft workpiece, the intermittent switching mechanism will drive the bearing plate to rotate 180°. At this moment, the motor shaft workpiece will also rotate 180°, that is, one end of the motor shaft workpiece that has not been turned is located on one side of the turning tool mechanism. The power part drives the turning tool mechanism to turn the other end of the motor shaft workpiece again. When the mounting plate drives the turning tool mechanism to slide to the side close to the bearing frame, the mounting plate cannot drive the bearing frame to rotate inside the machine tool body, that is, when the turning tool mechanism is located at the turning station, it can cooperate with the power mechanism again to turn the one end of the motor shaft workpiece that has not been turned, so that both ends of the motor shaft workpiece can complete the turning operation. Therefore, compared with the prior art of re-disassembling the motor shaft workpiece and installing and fixing it, the present application greatly improves the working efficiency of the turning device.

[0021] At the same time, after the turning tool mechanism completes the turning operation on one end of the motor shaft, it must slide to the end of the workpiece away from the motor shaft. At this moment, the rotation of the motor shaft workpiece is passively achieved during the sliding stroke of the turning tool mechanism, thereby improving work efficiency without increasing the driving source used for the rotation of the motor shaft workpiece, thereby saving energy.

[0022] Furthermore, the present application has only one set of turning tool mechanisms, which can greatly save costs and achieve better use effects compared to the prior art that sets two sets of expensive turning tool mechanisms for turning operations on both sides of a workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0024] Figure 1 A schematic diagram of the overall structure provided by an embodiment of the present invention;

[0025] Figure 2 A schematic diagram of the overall top view structure provided by an embodiment of the present invention;

[0026] Figure 3 A schematic diagram of the structure of a motor shaft workpiece in another state provided by an embodiment of the present invention;

[0027] Figure 4 A schematic diagram of the internal structure of a machine tool body provided by an embodiment of the present invention;

[0028] Figure 5 A schematic diagram of the structure of the inside of a machine tool body from another perspective provided by an embodiment of the present invention;

[0029] Figure 6 A schematic diagram of the structure of a carrier frame in a hidden state provided by an embodiment of the present invention;

[0030] Figure 7 A schematic diagram of the intermittent switching mechanism structure provided by an embodiment of the present invention;

[0031] Figure 8 A schematic diagram of the structure of the installation method of the power mechanism provided in an embodiment of the present invention;

[0032] Fig. 9 A schematic diagram of the structure of the installation method of the blocking member provided in an embodiment of the present invention;

[0033] Fig.10 A schematic diagram of the structure of another state of the blocking member provided by an embodiment of the present invention;

[0034] Fig.11 A schematic diagram of the specific structure of a blocking member provided in an embodiment of the present invention;

[0035] Fig.12 A schematic diagram of a partial structure of an intermittent switching mechanism provided in an embodiment of the present invention;

[0036] Fig.13 A schematic diagram of the structure of the intermittent switching mechanism in a partial explosion state provided by an embodiment of the present invention;

[0037] Fig.14 A schematic diagram of a partial cross-sectional structure of an intermittent connector provided by an embodiment of the present invention;

[0038] Fig.15 A schematic diagram of the power mechanism structure provided by an embodiment of the present invention;

[0039] Fig.16 A schematic diagram of the structure of the motor shaft workpiece installation method provided by an embodiment of the present invention;

[0040] Fig.17 A schematic diagram of the structure of a fastening mechanism provided in an embodiment of the present invention;

[0041] Fig.18 A schematic diagram of the structure of another state of the locking member provided by an embodiment of the present invention;

[0042] Fig.19 A schematic diagram of the structure of a carrier frame provided by an embodiment of the present invention;

[0043] Fig. 20 This is a schematic diagram of the structure of the trigger rod installation method provided by an embodiment of the present invention.

[0044] Explanation of the accompanying drawings: 1. machine tool body; 2. controller; 3. turning tool mechanism; 4. bearing frame; 5. power part; 6. motor shaft workpiece; 7. mounting plate; 71. extension block; 8. bearing plate; 9. support rod; 10. bearing ring; 11. intermittent switching mechanism; 111. switching rack; 112. rotating rod; 113. switching gear; 114. first spur gear; 115. second spur gear; 12. intermittent connecting member; 121. connecting cylinder; 122. tooth groove; 123. connecting rod; 124. base; 125. ratchet; 13. support plate; 131. annular groove; 14. first support column; 141. second support column; 15. Blocking member; 151, blocking rod; 152, force block; 153, pressure groove; 154, trigger block; 155, reset spring; 156, through hole; 16, power mechanism; 161, power motor; 162, driving rod; 163, transmission part; 164, driving gear; 165, gear ring; 17, fastening mechanism; 171, fastening block; 172, mounting frame; 173, guide rod; 174, pressure rod; 175, connecting frame; 176, linkage part; 176, guide groove; 18, locking member; 181, locking block; 182, locking groove; 183, unlocking rod; 19, connecting spring; 20, trigger rod; 21, avoidance groove. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] See also Figure 1-Figure 20The present invention provides a technical solution: a turning device for motor shaft processing, comprising a machine tool body 1, and a turning tool mechanism 3 slidably connected to the machine tool body 1, a bearing frame 4 is rotatably connected to the machine tool body 1, a bearing ring 10 is rotatably connected inside the bearing frame 4 through a power mechanism 16, and a fastening mechanism 17 for fixing the motor shaft workpiece 6 is installed inside the bearing ring 10; a mounting plate 7 for mounting the turning tool mechanism 3 is slidably connected inside the machine tool body 1, and a power member 5 for driving the turning tool mechanism 3 to slide to achieve the feeding of the turning tool mechanism 3 is arranged inside the machine tool body 1; and the mounting plate 7 and the bearing frame 4 are connected by an intermittent switching mechanism 11; when one end of the motor shaft workpiece 6 completes the turning operation, the power member 5 drives the turning tool mechanism 3 to reset during the stroke, and the bearing frame 4 is driven to rotate 180° through the intermittent switching mechanism 11, and the power member 5 drives the turning tool mechanism 3 to turn the other end of the motor shaft workpiece 6 again.

[0047] Specifically, the turning device for motor shaft processing includes a machine tool body 1. In order to improve the stability of the turning device during operation, a support frame is usually fixedly connected to the bottom of the machine tool body 1, and an anti-skid pad is installed on the support frame, so as to improve the stability of the turning device during operation, thereby indirectly improving the turning quality of the workpiece. It also includes a turning tool mechanism 3 slidably connected to the machine tool body 1. Specifically, the turning tool mechanism 3 is a prior art, which includes a turning tool unit and a positioning frame for installing the turning tool unit. At the same time, a servo mechanism for driving the turning tool unit to move is arranged inside the positioning frame, so that the turning tool mechanism 3 can perform a turning operation on the motor shaft workpiece 6 to meet the work needs.

[0048] The machine tool body 1 is rotatably connected to a bearing frame 4, and a bearing ring 10 is rotatably connected to the inside of the bearing frame 4 through a power mechanism 16, and a fastening mechanism 17 for fixing the motor shaft workpiece 6 is installed inside the bearing ring 10. In order to improve the stability of the motor shaft workpiece 6 during installation, there are generally two bearing frames 4, and the two bearing frames 4 are installed in a circular array. Since the internal structures of the two bearing frames 4 are the same, only one of them is described here. Through the fastening mechanisms 17 inside the two bearing frames 4, the stability of the motor shaft workpiece 6 during the turning operation can be greatly improved to meet the work needs. At the same time, a power mechanism 16 for driving the motor shaft workpiece 6 to rotate is set inside the bearing frame 4. Specifically, the power mechanism 16 rotates a driving rod 162 connected to the supporting frame 4, a driving gear 164 is installed on the driving rod 162, and a gear ring 165 is installed on the supporting ring 10, the driving gear 164 is meshed with the gear ring 165, and a power motor 161 is installed on the bottom of the supporting frame 4, the power motor 161 drives the power rod to rotate through the transmission part 163, when working, the power rod is driven to rotate by the power motor 161 and the transmission part 163, so that the power rod drives the supporting ring 10 to rotate through the cooperation of the driving gear 164 and the gear ring 165, because the supporting ring 10 is installed with a fastening mechanism 17 for fixing the motor shaft workpiece 6, therefore, when the supporting ring 10 rotates at high speed, it will drive the motor shaft workpiece 6 to rotate through the fastening mechanism 17, and the motor shaft workpiece 6 is turned by the turning tool mechanism 3 to meet the working needs of the turning device.

[0049] A mounting plate 7 for mounting the tool mechanism 3 is slidably connected inside the machine tool body 1, which is convenient for the use of the tool mechanism 3. A power part 5 is provided inside the machine tool body 1 for driving the tool mechanism 3 to slide so as to realize the feeding of the tool mechanism 3. Specifically, the power part 5 is a servo cylinder, and the output shaft of the servo cylinder is connected to the mounting plate 7, which is used to drive the mounting plate 7 to slide, thereby realizing the sliding of the tool mechanism 3. The mounting plate 7 and the bearing frame 4 are connected by an intermittent switching mechanism 11. By setting the intermittent switching mechanism 11, it can be realized that when the mounting plate 7 and the tool mechanism 3 slide away from the bearing frame 4, the intermittent switching mechanism 11 can drive the mounting plate 7 to rotate inside the machine tool body 1. However, when the mounting plate 7 drives the tool mechanism 3 to slide close to the bearing frame 4, the mounting plate 7 cannot drive the bearing frame 4 to rotate inside the machine tool body 1 at this moment.

[0050] Specifically, in the actual working process, the motor shaft workpiece 6 is first mounted on the bearing frame 4, and the motor shaft workpiece 6 is fixed by the fastening mechanism 17, and then the power member 5 is used to drive the mounting plate 7 to drive the turning tool mechanism 3 to feed toward the side close to the motor shaft workpiece 6, and cooperate with the power mechanism 16 to complete the turning operation of one end of the motor shaft. When the turning operation of one end of the motor shaft workpiece 6 is completed, the other end of the motor shaft needs to be turned. In order to facilitate the change of the turning position of the motor shaft workpiece 6, the turning tool mechanism 3 needs to be driven away from the motor shaft workpiece 6. At this moment, the power component 5 will be used to drive the mounting plate 7 to drive the tool turning mechanism 3 to slide to the side away from the supporting frame 4. During the stroke in which the power component 5 drives the tool turning mechanism 3 to reset, the intermittent switching mechanism 11 drives the supporting frame 4 to rotate 180°. That is, when the tool turning mechanism 3 slides to the side away from the motor shaft workpiece 6, the intermittent switching mechanism 11 will drive the supporting plate 8 to rotate 180°. At this moment, the motor shaft workpiece 6 will also rotate 180°, that is, one end of the motor shaft workpiece 6 that has not been turned is located on one side of the tool turning mechanism 3. The power component 5 drives the tool turning mechanism 3 again to turn the other end of the motor shaft workpiece 6. When the mounting plate 7 drives the tool turning mechanism 3 to slide toward the side close to the supporting frame 4, the mounting plate 7 cannot drive the supporting frame 4 to rotate inside the machine tool body 1, that is, when the tool turning mechanism 3 is located at the turning station, it can cooperate with the power mechanism 16 again to turn the end of the motor shaft workpiece 6 that has not been turned. Therefore, the turning operation can be completed at both ends of the motor shaft workpiece 6. Compared with the prior art in which the motor shaft workpiece 6 is disassembled and then installed and fixed, the working efficiency of the turning device is greatly improved. At the same time, after the turning tool mechanism 3 completes the turning operation on one end of the motor shaft, it must slide to the end away from the motor shaft workpiece 6. At this moment, the rotation of the motor shaft workpiece 6 is passively realized by utilizing the sliding stroke of the turning tool mechanism 3, thereby improving the working efficiency without increasing the driving source used for the rotation of the motor shaft workpiece 6. While saving energy consumption, it can also save costs to a certain extent. This is a completely unexpected technical effect. Furthermore, the turning tool mechanism 3 in the present application has only one set. Compared with the prior art in which two sets of expensive turning tool mechanisms 3 are set in order to perform turning operations on both sides of the workpiece, it can greatly save costs and have a better use effect.

[0051] In the embodiment provided by the present invention, a triggering member for driving the fastening mechanism 17 to move is provided on the machine tool body 1. When the motor shaft workpiece 6 is in a vertical state with the machine tool body 1, the fastening mechanism 17 does not fix the motor shaft workpiece 6, that is, the motor shaft workpiece 6 can be easily disassembled or installed at this moment, thereby improving the work efficiency when the motor shaft workpiece 6 is disassembled and installed. When the power member 5 drives the turning tool mechanism 3 to reset during the stroke, the intermittent switching mechanism 11 drives the bearing frame 4 to rotate 90°, and the triggering member drives the fastening mechanism 17 to fix the workpiece, thereby greatly improving the installation efficiency of the motor shaft workpiece 6. When the turning device is used, the motor shaft workpiece 6 is installed on the bearing frame 4. At this moment, when the power member 5 drives the turning tool mechanism 3 to reset during the stroke, the intermittent switching mechanism 11 drives the bearing frame 4 to rotate 90°, and the triggering member drives the fastening mechanism 17 to fix the workpiece, and there is no need to drive the fastening mechanism 17 to fix the motor shaft workpiece 6 separately.

[0052] In the embodiment provided by the present invention, a support plate 8 is rotatably connected to the machine tool body 1 through a support rod 9, and a support frame 4 is fixedly connected to the support plate 8. That is, when the support rod 9 rotates 180° or 90°, the support plate 8 will be driven to rotate by the same angle. There is a large damping between the support rod 9 and the machine tool body 1. When there is no external force driving the support rod 9 to rotate, the support rod 9 is in a stationary state. The intermittent switching mechanism 11 includes a rotating rod 112, and specifically, the rotating rod 112 is rotatably connected to the machine tool body 1. At the same time, a switching gear 113 is installed on the rotating rod 112, and a switching rack 111 is fixedly connected to the mounting plate 7 through an extension block 71, and the switching rack 111 is meshed with the switching gear 113. Specifically, the switching rack 111 includes a toothed portion and a toothless portion, wherein the toothed portion on the switching rack 111 is meshed with the switching gear 113. During use, when the power member 5 drives the mounting plate 7 to drive the turning tool mechanism 3 to slide the front half of the side away from the motor shaft workpiece 6, the toothless portion on the switching rack 111 cooperates with the switching gear 113, that is, the switching gear 113 will not be driven to rotate. When the power member 5 drives the mounting plate 7 to drive the turning tool mechanism 3 to slide the back half of the side away from the motor shaft workpiece 6, the toothed portion on the switching rack 111 is meshed with the switching gear 113. When the switching rack 111 continues to slide, it will drive the switching gear 113 to rotate. Moreover, when the power member 5 drives the turning tool mechanism 3 to perform a turning operation on the motor shaft workpiece 6, the toothless portion on the switching rack 111 cooperates with the switching gear 113, and the switching gear 113 will not be driven to rotate. More specifically, the specific calculation between the switching gear 113 and the toothless portion of the switching rack 111 can ensure that the rotating rod 112 can accurately rotate 180°, reducing the working error. The machine tool body 1 is also rotatably connected with a support rod, on which a first spur gear 114 is mounted, and a second spur gear 115 meshing with the first spur gear 114 is provided on the rotating rod 112 , and the support rod and the rotating rod 112 are connected via an intermittent connector 12 .When the mounting plate 7 and the tool mechanism 3 slide to the side away from the carrying frame 4, the mounting plate 7 will drive the switching rack 111 to slide through the extension block 71. At this time, the toothless portion on the switching rack 111 cooperates with the switching gear 113, that is, it will not drive the switching gear 113 to rotate. When the toothed portion on the switching rack 111 meshes with the switching gear 113, it will drive the switching gear 113 to rotate, and the rotating rod 112 is driven to rotate through the switching gear 113. When the rotating rod 112 rotates, the first spur gear 114 is driven to rotate through the cooperation between the intermittent connecting member 12 and the support rod, and the support rod 9 is driven to rotate through the cooperation between the first spur gear 114 and the second spur gear 115, and then the bearing plate 8 can be driven to rotate, and the bearing block is rotated through the bearing plate 8. That is, when the power member 5 drives the tool mechanism 3 to slide to the side away from the motor shaft workpiece 6, the intermittent switching mechanism 11 at this moment can drive the mounting plate 7 to rotate inside the machine tool body 1, so as to realize the rotation of the motor shaft workpiece 6 through the carrying frame 4. However, when the mounting plate 7 drives the turning tool mechanism 3 to slide toward the side close to the supporting frame 4, the mounting plate 7 cannot drive the supporting frame 4 to rotate inside the machine tool body 1, so that the motor shaft workpiece 6 maintains a predetermined state, and cooperates with the power mechanism 16 again to perform turning on the end of the motor shaft workpiece 6 that has not been turned. Therefore, it is possible to complete the turning operation on both ends of the motor shaft workpiece 6 to meet the work needs.

[0053] In the embodiment provided by the present invention, the intermittent connector 12 includes a connecting cylinder 121 fixedly connected to the rotating rod 112, and also includes a connecting rod 123 fixedly connected to the supporting rod, and a plurality of bases 124 are fixedly connected to the connecting rod 123, and each base 124 is rotatably connected to a ratchet 125. Specifically, a limited position unit is provided between the ratchet 125 and the base 124, so that the ratchet 125 and the base 124 are in a semi-rotation state. A torque spring is provided between each ratchet 125 and the base 124, and a tooth groove 122 is provided inside the connecting cylinder 121. The elastic force of the torque spring drives the ratchet 125 to be clamped in the corresponding tooth groove 122. Reference Fig.14When the power member 5 drives the turning tool mechanism 3 to slide away from the motor shaft workpiece 6, the switching rack 111 and the switching gear 113 are used to drive the rotating rod 112 to rotate. When the rotating rod 112 rotates, the tooth groove 122 on the connecting cylinder 121 and the ratchet 125 are used to drive the connecting rod 123 to rotate. When the connecting rod 123 rotates, it drives the support rod to rotate, and then the support rod 9 can be driven to rotate through the cooperation between the first spur gear 114 and the second spur gear 115, so that the support rod 9 drives the bearing plate 8 to rotate, thereby realizing the rotation of the motor shaft workpiece 6. When the power member 5 drives the turning tool mechanism 3 to slide close to the motor shaft workpiece 6, the connecting cylinder 121 rotates, the tooth groove 122 abuts against the arc portion of the ratchet 125, so that the ratchet 125 rotates on the base 124, and the connecting rod 123 is not driven to rotate at this moment. At this moment, the support rod is in a stationary state, so that the motor shaft workpiece 6 can be in a state where it does not rotate.

[0054] In the embodiment provided by the present invention, the fastening mechanism 17 includes two mounting frames 172 that are slidably connected to each other on both sides of the inner side of the load-bearing ring 10, each mounting frame 172 is provided with a fastening block 171 through a guide member, and the specific guide member includes a guide rod 173 fixedly connected to the fastening block 171, and a guide groove 176 is provided on the load-bearing ring 10, wherein the guide rod 173 is slidably connected to the guide groove 176. When the two mounting frames 172 are close to each other, the rod will be driven to slide inside the mounting frame 172 under the restriction of the guide groove 176, so that a plurality of fastening blocks 171 gather toward the motor shaft workpiece 6 to fix the motor shaft workpiece 6. And each mounting frame 172 is fixedly connected with a connecting frame 175, and the two connecting frames 175 are transmission-connected through a linkage part 176. The specific linkage part 176 includes a linkage gear that is rotationally connected to the inner side of the load-bearing ring 10, and each connecting frame 175 is fixedly connected with a linkage rack, and the two linkage racks are respectively meshed on the upper and lower sides of the linkage gear. A pressure rod 174 is fixedly connected to one of the connecting frames 175. When the pressure rod 174 drives one of the connecting frames 175 to slide, the other connecting frame 175 is driven to slide through the linkage part 176. A connecting spring 19 is arranged between one of the connecting frames 175 and the machine tool body 1. The elastic force of the connecting spring 19 drives the two connecting frames 175 to move away from each other, which is convenient for disassembly and installation of the motor shaft workpiece 6.

[0055] In the embodiment provided by the present invention, the trigger member includes a trigger rod 20 fixedly connected to the machine tool body 1. Specifically, the end of the trigger rod 20 is wedge-shaped, a avoidance groove 21 is provided on the bearing frame 4, and a locking member 18 for fixing the pressure rod 174 is provided on the bearing frame 4. The locking member 18 includes a locking block 181 slidably connected to the bearing ring 10, a locking groove 182 adapted to the locking block 181 is provided on the pressure rod 174, and a locking spring is provided between the locking block 181 and the bearing ring 10, and the elastic force of the locking spring drives the locking block 181 to be clamped in the locking groove 182. The locking block 181 is in a wedge shape. When the pressure rod 174 slides under pressure, the locking block 181 is driven to squeeze the locking spring until the locking block 181 is located on one side of the locking groove 182. The elastic force of the locking spring drives the locking block 181 to be clamped in the locking groove 182 to fix the pressure rod 174. The carrier ring 10 is slidably connected to an unlocking rod 183 fixedly connected to the locking block 181. When the motor shaft workpiece 6 needs to be unlocked, the locking block 181 is driven to slide out of the locking groove 182 through the unlocking rod 183. In the process of the connection spring 19 restoring elastic deformation, the multiple sets of fastening blocks 171 are driven to separate from the motor shaft workpiece 6, thereby facilitating the installation and disassembly of the motor shaft workpiece 6. When the bearing plate 8 drives the bearing frame 4 to rotate, the trigger rod 20 abuts against the pressure rod 174 and drives the pressure rod 174 to slide in the bearing ring 10. The pressure rod 174 is fixed by the locking member 18. At this moment, most of the pressure rod 174 is located inside the bearing ring 10, and the protruding part will not contact the bearing frame 4, that is, the bearing ring 10 can rotate inside the bearing frame 4 without restriction, meeting the working needs. After the turning operation is completed at both ends of the motor shaft workpiece 6, when the mounting plate 7 and the turning tool mechanism 3 slide away from the bearing frame 4, the bearing frame 4 is driven to rotate 90°, and the unlocking rod 183 drives the locking block 181 to slide out of the locking groove 182 where it is located. In the process of the connection spring 19 restoring the elastic deformation, the multiple sets of fastening blocks 171 are driven to separate from the motor shaft workpiece 6, thereby facilitating the disassembly of the motor shaft workpiece 6 and further improving the working efficiency of the turning device. When it is necessary to perform turning operation on the next motor shaft workpiece 6, it is only necessary to insert the motor shaft workpiece 6 into the carrying ring 10, and the motor shaft workpiece 6 is located between multiple groups of fastening blocks 171. When the carrying plate 8 drives the carrying frame 4 to rotate, the trigger rod 20 abuts against the pressure rod 174 and drives the pressure rod 174 to slide in the carrying ring 10, which will drive the locking block 181 to squeeze the locking spring until the locking block 181 is located on one side of the locking groove 182. The elastic force of the locking spring drives the locking block 181 to be clamped in the locking groove 182 to fix the pressure rod 174. The sliding of the pressure rod 174 drives the multiple groups of fastening blocks 171 on both sides through the linkage part 176 to fix the motor shaft workpiece 6, thereby meeting the working needs.

[0056] In the embodiment provided by the present invention, a support plate 13 is fixedly connected inside the machine tool body 1, and an annular groove 131 is provided on the support plate 13. A first support column 14 and a second support column 141 are fixedly connected to the bottom of the bearing plate 8. The first support column 14 and the second support column 141 rotate inside the annular groove 131, thereby improving the stability of the bearing plate 8 when rotating. A blocking member 15 is provided on the machine tool body 1 for intermittently blocking the first support column 14 and the second support column 141. By providing the blocking member 15, the first support column 14 or the second support column 141 can be blocked. More specifically, when the blocking member 15 blocks the first support column 14 or the second support column 141, the motor shaft workpiece 6 is in a parallel state with the machine tool body 1 at this moment, thereby further improving the accuracy of the bearing plate 8 when rotating and reducing errors.

[0057] In the embodiment provided by the present invention, the blocking member 15 includes a force block 152 vertically slidably connected to the machine tool body 1, a blocking rod 151 is fixedly connected to the force block 152, and a through hole 156 is provided on the support plate 13, the blocking rod 151 is slidably connected to the through hole 156, when the blocking rod 151 is located inside the through hole 156 and higher than the position of the through hole 156, the first support column 14 will be blocked when it rotates to the position of the blocking rod 151. A pressure member for driving the blocking rod 151 to slide upward is provided on the machine tool body, and the force block 152 is driven by the pressure member to drive the blocking rod 151 to slide upward during the stroke when the power member 5 drives the turning tool mechanism 3 to reset, thereby blocking the first support column 14 or the second support column 141. Specifically, the first support column 14 and the second support column 141 are arranged in a circular array with the center of the support rod 9 as the axis. According to the above records, when the power member 5 drives the turning tool mechanism 3 to reset, it will drive the bearing plate 8 to drive the motor shaft workpiece 6 to rotate 180° through the bearing frame 4, that is, when the power member 5 drives the turning tool mechanism 3 to reset, the pressure member drives the force block 152 to drive the blocking rod 151 to slide upward. This operation mode is completely passive, which has unexpected technical effects, thereby further improving the working efficiency of the turning device. The pressure member includes a guide frame fixedly connected to the switching rack 111, a trigger block 154 is fixedly connected to the guide frame, and a pressure groove 153 is provided on the force block 152, and the trigger block 154 intermittently abuts against the pressure groove 153. A reset spring 155 is arranged between the force block 152 and the support plate 13, and the elastic force of the reset spring 155 drives the blocking rod 151 to be located below the support plate 13 (it will not block the rotation of the first support column 14 and the second support column 141). When the turning mechanism 3 performs turning operation on the motor shaft workpiece 6 , the trigger block 154 at this moment will not abut against the pressure groove 153 . Restricted by the gravity of the force block 152 and the return spring 155 , the blocking rod 151 is located below the support plate 13 .

[0058] Specifically, in actual use, when the power part 5 drives the tool turning mechanism 3 to reset, the cooperation between the switching rack 111 and the switching gear 113 drives the rotating rod 112 to rotate. When the rotating rod 112 rotates, the tooth groove 122 on the connecting tube 121 and the ratchet 125 cooperate to drive the connecting rod 123 to rotate. When the connecting rod 123 rotates, it will drive the support rod to rotate, and then the cooperation between the first spur gear 114 and the second spur gear 115 can drive the support rod 9 to rotate, so that the support rod 9 drives the supporting plate 8 to rotate. By cooperating between the switching rack 111 and the switching gear 113, the rotating rod 112 is driven to rotate. When the rotating rod 112 rotates, the connecting rod 123 is driven to rotate through the intermittent connecting member 12. When the connecting rod 123 rotates, it will drive the support rod to rotate, and then the support rod 9 can be driven to rotate through the cooperation between the first spur gear 114 and the second spur gear 115, so that the support rod 9 drives the supporting plate 8 to rotate. When the supporting plate 8 rotates, the first supporting column 14 and the second supporting column 141 on the bottom of the supporting plate 8 will rotate inside the annular groove 131. When the switching rack 111 slides, the trigger block 154 will be driven to slide through the guide frame, and the force block 152 will slide upward through the cooperation between the trigger block 154 and the pressure groove 153, so that the blocking rod 151 slides in the through hole 156. When the blocking rod 151 is located inside the annular groove 131, the first support column 14 has not yet rotated to a predetermined position. As the switching rack 111 continues to slide, the blocking rod 151 will abut against the first support column 14, so that the bearing plate 8 rotates to a predetermined angle, thereby improving the rotation accuracy of the motor shaft workpiece 6. Since the support rod 9 cannot rotate in the opposite direction, when the next motor shaft workpiece 6 is rotating, the blocking rod 151 will abut against the second support column 141, and the cycle will repeat.

[0059] In the embodiment provided by the present invention, a controller 2 is provided on the machine tool body 1 for controlling the operation of the entire turning device.

[0060] It should be noted that the electrical equipment involved in this application can be powered by batteries or external power supply.

[0061] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0062] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A turning device for machining a motor shaft, comprising a machine tool body (1) and a turning tool mechanism (3) slidably connected to the machine tool body (1), characterized in that: The machine tool body (1) is rotatably connected to a bearing frame (4), the bearing frame (4) is rotatably connected to a bearing ring (10) via a power mechanism, and the bearing ring (10) is installed with a fastening mechanism (17) for fixing a motor shaft workpiece (6); A mounting plate (7) for mounting a turning tool mechanism (3) is slidably connected inside the machine tool body (1), and a power component (5) for driving the turning tool mechanism (3) to slide so as to achieve feeding of the turning tool mechanism (3) is provided inside the machine tool body (1); The mounting plate (7) and the carrying frame (4) are connected in transmission via an intermittent switching mechanism (11); When the turning operation on one end of the motor shaft workpiece (6) is completed, the power component (5) drives the turning tool mechanism (3) to reset, and then the intermittent switching mechanism (11) drives the bearing frame (4) to rotate 180 degrees, and then the power component (5) drives the turning tool mechanism (3) to turn the other end of the motor shaft workpiece (6) again.

2. The turning device for machining a motor shaft according to claim 1, characterized in that: The machine tool body (1) is provided with a triggering member for driving the fastening mechanism (17) to move; When the motor shaft workpiece (6) and the machine tool body (1) are in a vertical state, the fastening mechanism (17) does not fix the motor shaft workpiece (6); when the power member (5) drives the turning tool mechanism (3) to reset during a stroke, the intermittent switching mechanism (11) drives the bearing frame (4) to rotate 90 degrees, and the trigger member drives the fastening mechanism (17) to fix the workpiece.

3. A turning device for machining a motor shaft according to claim 2, characterized in that: A bearing plate (8) is rotatably connected to the machine tool body (1) via a support rod (9), and the bearing frame (4) is fixedly connected to the bearing plate (8); The intermittent switching mechanism (11) comprises a rotating rod (112), a switching gear (113) is mounted on the rotating rod (112), a switching rack (111) is fixedly connected to the mounting plate (7) via an extension block (71), and the switching rack (111) is meshed with the switching gear (113); The machine tool body (1) is also rotatably connected to a support rod, on which a first spur gear (114) is mounted, and a second spur gear (115) meshing with the first spur gear (114) is arranged on the rotating rod (112), and the support rod and the rotating rod (112) are connected via an intermittent connecting piece (12).

4. The turning device for machining a motor shaft according to claim 3, characterized in that: The intermittent connecting member (12) comprises a connecting tube (121) fixedly connected to the rotating rod (112), and also comprises a connecting rod (123) fixedly connected to the supporting rod, a plurality of bases (124) are fixedly connected to the connecting rod (123), each base (124) is rotatably connected to a ratchet (125), a torque spring is arranged between each ratchet (125) and the base (124), a tooth groove (122) is provided inside the connecting tube (121), and the elastic force of the torque spring drives the ratchet (125) to be engaged in the corresponding tooth groove (122).

5. The turning device for machining a motor shaft according to claim 3, characterized in that: The fastening mechanism (17) comprises two mounting frames (172) connected to the two sides of the inner part of the carrying ring (10) in a sliding manner towards each other, and each mounting frame (172) is provided with a fastening block (171) via a guide member; Each installation frame (172) is fixedly connected to a connecting frame (175), and the two connecting frames (175) are connected in transmission via a linkage portion (176). A pressure rod (174) is fixedly connected to one of the connecting frames (175). When the pressure rod (174) drives one of the connecting frames (175) to slide, the other connecting frame (175) is driven to slide via the linkage portion (176). A connecting spring (19) is provided between one of the connecting frames (175) and the machine tool body (1).

6. The turning device for machining a motor shaft according to claim 5, characterized in that: The trigger member comprises a trigger rod (20) fixedly connected to the machine tool body (1); an avoidance groove (21) is provided on the carrying frame (4); and a locking member for fixing the pressure rod (174) is provided on the carrying frame (4); When the carrying plate (8) drives the carrying frame (4) to rotate, the trigger rod (20) contacts the pressure rod (174) and drives the pressure rod (174) to slide in the carrying ring (10), and the pressure rod (174) is fixed by the locking member.

7. The turning device for machining a motor shaft according to claim 4, characterized in that: A support plate (13) is fixedly connected inside the machine tool body (1), an annular groove (131) is provided on the support plate (13), a first support column (14) and a second support column (141) are fixedly connected to the bottom of the carrier plate (8), and the first support column (14) and the second support column (141) both rotate inside the annular groove (131); The machine tool body (1) is provided with a blocking member (15) for intermittently blocking the first supporting column (14) and the second supporting column (141).

8. The turning device for machining a motor shaft according to claim 7, characterized in that: The blocking member (15) comprises a force bearing block (152) vertically slidably connected to the machine tool body (1), a blocking rod (151) being fixedly connected to the force bearing block (152), and a through hole (156) being provided on the support plate (13), and the blocking rod (151) being slidably connected to the through hole (156); The machine tool body (1) is provided with a pressure piece for driving the blocking rod (151) to slide upwards. During the stroke in which the power piece (5) drives the turning tool mechanism (3) to reset, the pressure piece drives the force block (152) to drive the blocking rod (151) to slide upwards, thereby performing a blocking operation on the first support column (14) or the second support column (141).

9. A turning device for machining a motor shaft according to claim 8, characterized in that: The pressure member comprises a guide frame fixedly connected to the switching rack (111), a trigger block (154) is fixedly connected to the guide frame, and a pressure groove (153) is provided on the force bearing block (152), and the trigger block (154) is intermittently abutted against the pressure groove (153).

10. The turning device for machining a motor shaft according to claim 1, characterized in that: A controller (2) is arranged on the machine tool body (1).

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