Discharging device for grinding slender shaft

Abstract

The utility model discloses a discharging device for grinding a slender shaft, which relates to the technical field of slender shaft machining and comprises a supporting table, a material grabbing unit and a material unloading unit. A movable frame body is arranged on the upper right portion of the supporting table, and the front side and the rear side of the movable frame body are of an L-shaped semi-surrounding structure. The material grabbing unit comprises a movable shaft, a connecting block, a movable sliding rod, a limiting rod, a double-shaft motor and a grabbing hook. By means of the long and thin shaft grabbing device, a long and thin shaft obtained after grinding machining can be grabbed, workers are prevented from being scalded by high temperature generated by grinding, and after grabbing, the grabbed long and thin shaft can be conveyed to the left side of the device by adjusting the inclination direction of the movable frame body; and the slender shaft rolling in the movable frame body can be clamped and protected, the slender shaft is prevented from being punched down at a too high speed, and after the L-shaped material clamping frame is moved out of the movable frame body, the slender shaft can be guided, so that the slender shaft can accurately fall onto a material receiving frame downwards.

Description

Technical Field

[0001] The utility model relates to the technical field of slender shaft processing, in particular to a discharging device for grinding and processing a slender shaft. Background Art

[0002] Slender shaft is a shaft part with a length greater than 10 times the diameter. It is widely used in many fields such as machinery manufacturing, automobile manufacturing, aerospace, and rail transportation. Due to the structural characteristics of the slender shaft itself, it plays an important role in the transmission system, guide system, rotating mechanism, and supporting structure.

[0003] In actual production, it is necessary to grind the outer side of a slender shaft. The heat generated by grinding will cause the temperature of the shaft to be high, making it inconvenient for workers to directly pick up the workpiece. Since the slender shaft workpiece is placed inside the grinding equipment, it is not convenient for workers to lean in to pick it up even if they use clamps. For this reason, we propose a unloading device for slender shaft grinding. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a unloading device for grinding slender shafts, which has a reliable material grabbing unit and can grab the slender shafts after grinding, avoiding high temperature burns to personnel caused by grinding, and after grabbing, the grabbed slender shaft can be transported to the left side of the device by adjusting the inclination direction of the movable frame; it also has a reliable material unloading unit, which can protect the slender shaft rolling inside the movable frame to prevent the slender shaft from rushing down at an excessively fast speed, and when the L-shaped clamping frame is moved out of the movable frame, the slender shaft will be diverted so that the slender shaft can fall downward accurately onto the receiving frame, which can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a material unloading device for grinding a slender shaft, comprising a supporting table, a material grabbing unit and a material unloading unit;

[0006] Support table: It is a square tabletop, and a movable frame is set on the upper right side of the tabletop, and the front and rear sides of the movable frame are L-shaped semi-enclosed structures;

[0007] Material grabbing unit: comprises a movable shaft, a connecting block, a movable slide bar, a limiting rod, a double-axis motor and a grab hook, a longitudinal movable shaft is arranged under the movable frame, and a front and rear connecting blocks are fixedly connected to the outer side of the circumference of the movable shaft, and the other end of the connecting block is fixedly connected to the middle position of the lower side of the movable frame, and three installation slide grooves are opened on the right side of the slideway inside the movable frame, and a movable slide bar is slidably connected to the inside of each installation slide groove, and a limiting rod is fixedly connected to the inside of the movable slide bar, one end of the limiting rod extends to the left and is slidably connected to the inside of the movable frame, and the right end of the movable slide bar extends outward and is embedded with a double-axis motor, and two output shafts of the double-axis motor are distributed longitudinally, and the end of each output shaft is fixedly connected to a grab hook;

[0008] Material unloading unit: installed at the front and rear ends and the right side of the movable frame.

[0009] The support table is used for supporting the whole device. The movable frame can be tilted left and right under the action of the movable shaft, so as to carry out the grab and transfer operation of the slender shaft. The connecting block is used for the fixed connection between the movable shaft and the movable frame. When the movable frame tilts to the lower right side, the movable slide bar slides to the lower side of the slender shaft under the action of the power device. Then the double-axis motor works to drive the grab hook to flip upward. When the grab hook flips upward, the slender shaft is removed from the grinding equipment. Then the left end of the movable frame moves downward under the drive of the power device, so that the right end of the movable frame is tilted upward, so that the grabbed slender shaft can slide downward along the inner side of the movable frame, thereby realizing the removal process of the slender shaft. The limit rod is used to limit the movable slide bar to prevent the movable slide bar from being tilted from the mounting slide groove due to the pressure of the slender shaft. The material unloading unit is used to protect the sliding of the slender shaft, so that the shaft body can slide down smoothly and the shaft body can be collected on the lower side.

[0010] Furthermore, the material grabbing unit also includes a main hydraulic cylinder, a connecting ring, a hydraulic cylinder four, a sliding slot and a receiving ball. The main hydraulic cylinder is installed and fixed at the middle position on the right side of the upper end of the supporting table. A connecting ring is rotatably connected to the outer side of the circumference of the middle section of the movable shaft. The telescopic end of the main hydraulic cylinder faces upward and is fixedly connected to the lower side of the connecting ring. A hydraulic cylinder four is installed and fixed at the right position of the upper end of the supporting table. The telescopic end of the hydraulic cylinder four is arranged upward and a receiving ball is fixedly connected at the end. A transverse sliding slot is opened inside the lower left side of the movable frame, and the receiving ball is clamped and slidably connected in the sliding slot. The main hydraulic cylinder is used to provide the main support and push effect for the movable shaft from the middle. The movable frame can be adjusted to a suitable working height through the pushing effect of the main hydraulic cylinder. The connecting ring is used to connect the end of the main hydraulic cylinder and the movable shaft, and enable the movable shaft to rotate. Hydraulic cylinder four is used to drive the left side of the movable frame to rise and fall, and then adjust the inclination direction of the movable frame. The card ball is clamped and can be slidably connected in the sliding card slot, so that the connection between the telescopic end of the hydraulic cylinder four and the movable frame can be always maintained during the tilting and changing process of the movable frame. When the movable frame turns to tilt to the lower left, the slender shaft rolls to the lower left along the internal slide of the movable frame.

[0011] Furthermore, the material grabbing unit further comprises a hydraulic cylinder three and a linkage block. Three hydraulic cylinders three are embedded and installed on the lower right side of the movable frame. Each hydraulic cylinder three corresponds to a moving slide bar. The telescopic end of the hydraulic cylinder three extends to the right and is fixedly connected to the linkage block on the lower side of the moving slide bar. The linkage block is fixedly connected to the lower end of the moving slide bar. The hydraulic cylinder three pushes the moving slide bar to extend outward through the linkage block, which serves as the power for the moving slide bar to slide left and right.

[0012] Further, the material unloading unit comprises a straight notch, a connecting short column, a connecting slider, a material holder and a hydraulic cylinder 5. A straight notch is provided on the left side of the upper end of the L-shaped structure on both sides of the movable frame, and a connecting short column is provided inside the straight notch. The upper end of the connecting short column is fixedly connected with a connecting slider, and the lower end of the connecting slider is fixedly connected with an L-shaped material holder. The shorter section of the L-shaped material holder is perpendicular to the inner end surface of the movable frame. A hydraulic cylinder 5 is fixedly installed on the right side of the upper end of the L-shaped structure on both sides of the movable frame, and the telescopic end of the hydraulic cylinder 5 faces left and is fixedly connected with the connecting slider. The hydraulic cylinder 5 is used to push the connecting slider to move. When the connecting slider moves, it can drive the material holder to move along the inner inclined surface of the movable frame. The L-shaped material holder protects the slender shaft rolling inside the movable frame to prevent the slender shaft from rushing down at an excessively fast speed. When the L-shaped material holder moves out of the movable frame, it will guide the slender shaft so that the slender shaft can fall accurately downward onto the receiving frame.

[0013] Furthermore, the material unloading unit further comprises a support rod and a material receiving rack, the left side of the support table is fixedly connected with two groups of front and rear support rods, the upper end of each group of support rods is fixedly connected with a material receiving rack, the left side of the material receiving rack is provided with a curved hook, and the right side of the material receiving rack is tilted upward. The support rod is used for the installation and support of the material receiving rack, and the right side of the material receiving rack is tilted upward, which can effectively receive the fallen shaft body, and the fallen shaft body continues to roll to the left along the material receiving rack and stops when it hits the curved hook on the left side of the material receiving rack.

[0014] Furthermore, it also includes an auxiliary hydraulic cylinder and a fixed shaft block. Two front and rear auxiliary hydraulic cylinders are arranged on the right side of the upper end of the support table. The telescopic end of the auxiliary hydraulic cylinder is arranged upward and a circular fixed shaft block is fixedly connected to the end. A short shaft is fixedly connected at the center position of the two ends of the movable shaft. The short shafts on both sides are rotatably connected to the inside of the adjacent side fixed shaft blocks. The auxiliary hydraulic cylinder supports the two sections of the movable shaft through the fixed shaft block, thereby improving the pressure bearing capacity of the movable shaft.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the unloading device for grinding a slender shaft has the following advantages:

[0016] 1. It has a reliable material grabbing unit, which can grab the slender shaft after grinding, avoiding high temperature burns caused by grinding. After grabbing, the grabbed slender shaft can be transported to the left side of the device by adjusting the tilt direction of the movable frame: when the movable frame tilts to the lower right side, the hydraulic cylinder 3 pushes the moving slide bar to extend outward to the lower side of the slender shaft through the linkage block, and then the double-axis motor works to drive the grab hook to flip upward. When the grab hook flips upward, it removes the slender shaft from the grinding equipment; the hydraulic cylinder 4 is used to drive the left side of the movable frame to rise and fall. When the movable frame turns to tilt to the lower left, the slender shaft rolls to the lower left along the internal slide of the movable frame;

[0017] 2. It has a reliable material unloading unit, which can protect the slender shaft rolling inside the movable frame to prevent the slender shaft from rushing down at too fast a speed. When the L-shaped clamping frame is moved out of the movable frame, it will guide the slender shaft so that the slender shaft can fall down accurately onto the receiving frame;

[0018] 3. The utility model has a reliable material grabbing unit, which can grab the slender shaft after grinding, avoiding high temperature burns caused by grinding, and after grabbing, the grabbed slender shaft can be transported to the left side of the device by adjusting the inclination direction of the movable frame; it also has a reliable material unloading unit, which can protect the slender shaft rolling inside the movable frame to prevent the slender shaft from rushing down at an excessively fast speed, and when the L-shaped clamping frame is moved out of the movable frame, the slender shaft will be guided so that the slender shaft can fall accurately downward onto the receiving frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the left side structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the right rear structure of the utility model;

[0022] Figure 4 For this utility model Figure 3 A magnified view of the structure at center;

[0023] Figure 5 For this utility model Figure 3 Enlarged view of the structure at point B in the middle.

[0024] In the figure: 1 supporting table, 2 movable frame, 3 material grabbing unit, 31 main hydraulic cylinder, 32 connecting ring, 33 movable shaft, 34 connecting block, 35 movable slide bar, 36 limit rod, 37 double-axis motor, 38 grab hook, 39 hydraulic cylinder three, 310 linkage block, 311 hydraulic cylinder four, 312 sliding slot, 313 receiving ball, 4 material unloading unit, 41 straight slot, 42 connecting short column, 43 connecting slide block, 44 material frame, 45 hydraulic cylinder five, 46 support rod, 47 material receiving frame, 5 auxiliary hydraulic cylinder, 6 fixed shaft block. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 5 , This embodiment provides a technical solution: a material unloading device for grinding a slender shaft, comprising a support table 1, a material grabbing unit 3 and a material unloading unit 4;

[0027] Support table 1: It is a square tabletop, and a movable frame 2 is arranged on the upper right side of the tabletop, and the front and rear sides of the movable frame 2 are L-shaped semi-enclosed structures;

[0028] Material grabbing unit 3: includes a movable shaft 33, a connecting block 34, a movable slide bar 35, a limiting rod 36, a dual-axis motor 37 and a grabbing hook 38. A longitudinal movable shaft 33 is arranged below the movable frame 2. Two front and rear connecting blocks 34 are fixedly connected to the outer circumference of the movable shaft 33. The other end of the connecting block 34 is fixedly connected to the middle position of the lower side of the movable frame 2. Three mounting slide grooves are opened on the right side of the slideway inside the movable frame 2. A movable slide bar 35 is slidably connected to the inside of each mounting slide groove. A limiting rod 36 is fixedly connected to the inside of the movable slide bar 35. One end of the limiting rod 36 extends to the left and is slidably connected to the inside of the movable frame 2. The right end of the movable slide bar 35 extends outward and is embedded with a dual-axis motor 37. The two output shafts of the dual-axis motor 37 are longitudinally distributed, and the end of each output shaft is fixedly connected to a grabbing hook 38.

[0029] Material unloading unit 4: installed at the front and rear ends and the right side of the movable frame 2.

[0030] The support table 1 is used to support the entire device. The movable frame 2 can be tilted left and right under the action of the movable shaft 33, so as to carry out the grabbing and transportation operations of the slender shaft. The connecting block 34 is used for the fixed connection between the movable shaft 33 and the movable frame 2. When the movable frame 2 tilts to the lower right side, the movable slide bar 35 slides to the lower side of the slender shaft under the action of the power device, and then the dual-axis motor 37 works to drive the grab hook 38 to flip upward. The grab hook 38 removes the slender shaft from the grinding equipment when flipping upward, and then the movable frame 2 is rotated. The left end of the body 2 moves downward under the drive of the power device, so that the right end of the movable frame body 2 is tilted upward, so that the grasped slender shaft can slide downward along the inner side of the movable frame body 2, thereby realizing the removal process of the slender shaft, the limit rod 36 is used to limit the movable slide bar 35 to prevent the movable slide bar 35 from being tilted from the installation slide groove due to the pressure of the slender shaft, and the material unloading unit 4 is used to protect the downward movement of the slender shaft, so that the shaft body can slide down smoothly and the shaft body can be collected on the lower side.

[0031] The material grabbing unit 3 also includes a main hydraulic cylinder 31, a connecting ring 32, a hydraulic cylinder four 311, a sliding slot 312 and a receiving ball 313. The main hydraulic cylinder 31 is fixedly installed at the middle position of the right side of the upper end of the support table 1, and a connecting ring 32 is rotatably connected to the outer side of the circumference of the middle section of the movable shaft 33. The telescopic end of the main hydraulic cylinder 31 faces upward and is fixedly connected to the lower side of the connecting ring 32. A hydraulic cylinder four 311 is fixedly installed at the right position of the upper end of the support table 1. The telescopic end of the hydraulic cylinder four 311 is arranged upward and a receiving ball 313 is fixedly connected at the end. A transverse sliding slot 312 is opened inside the lower left side of the movable frame 2, and the receiving ball 313 is clamped and slidably connected in the sliding slot 312. The main hydraulic cylinder 31 is used to mainly support and push the movable shaft 33 from the middle. The movable frame 2 can be adjusted to a suitable working height through the pushing effect of the main hydraulic cylinder 31. The connecting ring 32 is used to connect the end of the main hydraulic cylinder 31 and the movable shaft 33, and to enable the movable shaft 33 to rotate. The hydraulic cylinder four 311 is used to drive the left side of the movable frame 2 to rise and fall, and then adjust the inclination direction of the movable frame 2. The receiving ball 313 is clamped and slidably connected in the sliding slot 312, so that the connection between the telescopic end of the hydraulic cylinder four 311 and the movable frame 2 can be always maintained during the tilting and changing process of the movable frame 2. When the movable frame 2 turns to tilt to the lower left, the slender shaft rolls to the lower left along the internal slide of the movable frame 2.

[0032] The material grabbing unit 3 further includes a hydraulic cylinder 3 39 and a linkage block 310. Three hydraulic cylinders 3 39 are embedded and installed on the lower right side of the movable frame 2. Each hydraulic cylinder 3 39 corresponds to a moving slide bar 35. The telescopic end of the hydraulic cylinder 3 39 extends to the right and is fixedly connected to the linkage block 310 on the lower side of the moving slide bar 35. The linkage block 310 is fixedly connected to the lower end of the moving slide bar 35. The hydraulic cylinder 3 39 pushes the moving slide bar 35 outward through the linkage block 310, which serves as the power for the moving slide bar 35 to slide left and right.

[0033] The material unloading unit 4 comprises a straight slot 41, a connecting short column 42, a connecting slider 43, a material clamping frame 44 and a hydraulic cylinder 5 45. A straight slot 41 is provided on the left side of the upper end of the L-shaped structure on the front and rear sides of the movable frame 2. A connecting short column 42 is passed through the interior of the straight slot 41. The upper end of the connecting short column 42 is fixedly connected to a connecting slider 43. The lower end of the connecting slider 43 is fixedly connected to an L-shaped material clamping frame 44. A shorter section of the L-shaped material clamping frame 44 is perpendicular to the inner end surface of the movable frame 2. A hydraulic cylinder 5 45 is fixedly installed on the right side of the upper end of the L-shaped structure on the front and rear sides of the movable frame 2. The telescopic end of the hydraulic cylinder 5 45 faces left and is fixedly connected to the connecting slider 43. The hydraulic cylinder five 45 is used to push the connecting slider 43 to move. When the connecting slider 43 moves, it can drive the material holder 44 to move along the internal inclined surface of the movable frame 2. The L-shaped material holder 44 protects the slender shaft rolling inside the movable frame 2 to prevent the slender shaft from rushing down at too fast a speed. When the L-shaped material holder 44 moves out of the movable frame 2, it will guide the slender shaft so that the slender shaft can fall down accurately onto the material receiving frame 47.

[0034] The material unloading unit 4 further comprises a support rod 46 and a material receiving rack 47. The left side of the support table 1 is fixedly connected with two groups of front and rear support rods 46. The upper end of each group of support rods 46 is fixedly connected with a material receiving rack 47. The left side of the material receiving rack 47 is provided with a curved hook, and the right side of the material receiving rack 47 tilts upward. The support rod 46 is used for the installation and support of the material receiving rack 47. The right side of the material receiving rack 47 tilts upward, which can effectively receive the fallen shaft body. The fallen shaft body continues to roll to the left along the material receiving rack 47 and stops when it hits the curved hook on the left side of the material receiving rack 47.

[0035] It also includes an auxiliary hydraulic cylinder 5 and a fixed shaft block 6. Two front and rear auxiliary hydraulic cylinders 5 are set on the right side of the upper end of the support table 1. The telescopic end of the auxiliary hydraulic cylinder 5 is set upward and a circular fixed shaft block 6 is fixedly connected to the end. A short shaft is fixedly connected at the center position of the circle at both ends of the movable shaft 33. The short shafts on both sides are rotatably connected to the inside of the adjacent side fixed shaft block 6. The auxiliary hydraulic cylinder 5 supports the two sections of the movable shaft 33 through the fixed shaft block 6, thereby improving the pressure bearing capacity of the movable shaft 33.

[0036] The working principle of a discharging device for grinding a slender shaft provided by the utility model is as follows: the device has a reliable material grabbing unit 3, which can grab the slender shaft after grinding, avoiding high temperature scalding personnel caused by grinding, and after grabbing, the grabbed slender shaft can be transported to the left side of the device by adjusting the inclination direction of the movable frame 2: when the movable frame 2 tilts to the lower right side, the hydraulic cylinder three 39 pushes the movable slide bar 35 to extend outward to the lower side of the slender shaft through the linkage block 310, and then the dual-axis motor 37 works to drive the grabbing hook 38 to flip upward, and the grabbing hook 38 removes the slender shaft from the grinding equipment when flipping upward, and the limit rod 36 is used to limit the movable slide bar 35 to prevent the movable slide bar 35 from being subjected to the pressure of the slender shaft and causing the end to tilt from the installation slide groove; the hydraulic cylinder four 311 is used to drive the left side of the movable frame 2 to rise and fall, and when the movable frame 2 turns to tilt to the lower left. The slender shaft rolls toward the lower left along the internal slide of the movable frame body 2; the connecting block 34 is used for the fixed connection between the movable shaft 33 and the movable frame body 2, and the main hydraulic cylinder 31 is used to play the main supporting and pushing effect on the movable shaft 33 from the middle. The movable frame body 2 can be adjusted to a suitable working height through the pushing effect of the main hydraulic cylinder 31. The connecting ring 32 is used for the connection between the end of the main hydraulic cylinder 31 and the movable shaft 33, and enables the movable shaft 33 to rotate. The hydraulic cylinder four 311 is used to drive the left side of the movable frame body 2 to rise and fall, and then adjust the inclination direction of the movable frame body 2. The card receiving ball 313 is stuck and can be slidably connected in the sliding card groove 312, so that the connection between the telescopic end of the hydraulic cylinder four 311 and the movable frame body 2 can be always maintained during the inclination change of the movable frame body 2. When the movable frame body 2 turns to tilt to the lower left, the slender shaft rolls toward the lower left along the internal slide of the movable frame body 2. The device also has a reliable material unloading unit 4, which can protect the slender shaft rolling inside the movable frame 2 to prevent the slender shaft from rushing down at an excessively fast speed, and when the L-shaped clamping frame 44 is moved out of the movable frame 2, the slender shaft will be guided so that the slender shaft can fall accurately downward onto the receiving frame 47: the hydraulic cylinder 5 45 is used to push the connecting slide 43 to move, and when the connecting slide 43 moves, it can drive the clamping frame 44 to move along the inner inclined surface of the movable frame 2, and the L-shaped clamping frame 44 The slender shaft rolling inside the movable frame 2 is protected to prevent the slender shaft from rushing down at too fast a speed, and when the L-shaped clamping frame 44 is moved out from the inside of the movable frame 2, the slender shaft will be guided so that the slender shaft can fall down accurately onto the receiving frame 47; the support rod 46 is used for the installation and support of the receiving frame 47, and the right side of the receiving frame 47 is tilted upward, which can effectively receive the fallen shaft body, and the fallen shaft body continues to roll to the left along the receiving frame 47, and stops when it hits the curved hook on the left side of the receiving frame 47. In addition, the auxiliary hydraulic cylinder 5 supports the two sections of the movable shaft 33 through the fixed shaft block 6, thereby improving the pressure bearing capacity of the movable shaft 33.

[0037] It is worth noting that the input ends of the main hydraulic cylinder 31, the auxiliary hydraulic cylinder 5, the hydraulic cylinder three 39, the hydraulic cylinder four 311, the hydraulic cylinder five 45 and the dual-axis motor 37 disclosed in the above embodiments are all electrically connected to the output end of the external power supply through an external control switch group, and the control switch group controls the operation of the above-mentioned electrical devices using methods commonly used in the prior art.

[0038] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A discharge device for grinding a slender shaft, characterized in that: It comprises a supporting table (1), a material grabbing unit (3) and a material unloading unit (4); The support table (1) is a square tabletop, and a movable frame (2) is arranged on the upper right side of the tabletop, and the front and rear sides of the movable frame (2) are L-shaped semi-enclosed structures; The material grabbing unit (3) comprises a movable shaft (33), a connecting block (34), a movable slide rod (35), a limit rod (36), a double-axis motor (37) and a grabbing hook (38). A longitudinal movable shaft (33) is arranged below the movable frame (2). Two front and rear connecting blocks (34) are fixedly connected to the outer side of the circumference of the movable shaft (33). The other end of the connecting block (34) is fixedly connected to the middle position of the lower side of the movable frame (2). The right side of the slideway inside the movable frame (2) Three installation slots are provided, each installation slot is slidably connected to a movable slide rod (35), the movable slide rod (35) is fixedly connected to a limit rod (36), one end of the limit rod (36) extends to the left and is slidably connected to the inside of the movable frame (2), the right end of the movable slide rod (35) extends outward and is embedded with a double-axis motor (37), the two output shafts of the double-axis motor (37) are longitudinally distributed, and the end of each output shaft is fixedly connected to a grab hook (38); Material unloading unit (4): installed at the front and rear ends and the right side of the movable frame (2).

2. A discharge device for grinding a slender shaft according to claim 1, characterized in that: The material grabbing unit (3) further comprises a main hydraulic cylinder (31), a connecting ring (32), a hydraulic cylinder four (311), a sliding slot (312) and a receiving ball (313). The main hydraulic cylinder (31) is fixedly mounted at the middle position on the right side of the upper end of the support table (1). A connecting ring (32) is rotatably connected to the outer side of the circumference of the middle section of the movable shaft (33). The telescopic end of the main hydraulic cylinder (31) faces upward and is fixedly connected to the lower side of the connecting ring (32). A hydraulic cylinder four (311) is fixedly mounted at the right side of the upper end of the support table (1). The telescopic end of the hydraulic cylinder four (311) faces upward and is fixedly connected to the end with a receiving ball (313). A transverse sliding slot (312) is provided inside the lower left side of the movable frame (2), and the receiving ball (313) is clamped and slidably connected in the sliding slot (312).

3. The unloading device for grinding a slender shaft according to claim 1, characterized in that: The material grabbing unit (3) further comprises a hydraulic cylinder three (39) and a linkage block (310). Three hydraulic cylinders three (39) are embedded and installed on the lower right side of the movable frame (2). Each hydraulic cylinder three (39) corresponds to a movable slide bar (35). The telescopic end of the hydraulic cylinder three (39) extends to the right and is fixedly connected to the linkage block (310) on the lower side of the movable slide bar (35). The linkage block (310) is fixedly connected to the lower end of the movable slide bar (35).

4. The unloading device for grinding a slender shaft according to claim 1, characterized in that: The material unloading unit (4) comprises a straight slot (41), a connecting short column (42), a connecting slide block (43), a material clamping frame (44) and a hydraulic cylinder five (45). A straight slot (41) is provided on the left side of the upper end of the L-shaped structure on the front and rear sides of the movable frame (2). A connecting short column (42) is inserted into the straight slot (41). The upper end of the connecting short column (42) is fixedly connected to the connecting slide block (43). The lower end of the connecting slide block (43) is fixedly connected to the L-shaped material clamping frame (44). The shorter section of the L-shaped material clamping frame (44) is perpendicular to the inner end surface of the movable frame (2). A hydraulic cylinder five (45) is fixedly installed on the right side of the upper end of the L-shaped structure on the front and rear sides of the movable frame (2). The telescopic end of the hydraulic cylinder five (45) faces left and is fixedly connected to the connecting slide block (43).

5. The unloading device for grinding a slender shaft according to claim 1, characterized in that: The material unloading unit (4) further comprises a support rod (46) and a material receiving rack (47); the left side of the support table (1) is fixedly connected with two groups of front and rear support rods (46); the upper end of each group of support rods (46) is fixedly connected with a material receiving rack (47); a curved hook is provided on the left side of the material receiving rack (47); and the right side of the material receiving rack (47) is tilted upward.

6. The unloading device for grinding a slender shaft according to claim 1, characterized in that: It also includes an auxiliary hydraulic cylinder (5) and a fixed shaft block (6). Two front and rear auxiliary hydraulic cylinders (5) are arranged on the right side of the upper end of the support table (1). The telescopic end of the auxiliary hydraulic cylinder (5) is arranged upward and a circular fixed shaft block (6) is fixedly connected to the end. A short shaft is fixedly connected at the center position of the two ends of the movable shaft (33). The short shafts on both sides are rotatably connected to the inside of the adjacent side fixed shaft blocks (6).

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