Feeding pinch roll of centerless lathe

Abstract

The utility model relates to the field of mechanical engineering, in particular to a centerless lathe feeding pinch roll which comprises a first shell plate, a first half gear is arranged on the side wall of a first guide plate, a fixing rod is rotationally connected with a second guide plate, and a second half gear is arranged on the side wall of the second guide plate. According to the centerless lathe feeding pinch roll, the distance between the two sets of concave clamping wheels is adjusted through operation of the air pump, so that flexible adjustment can be conducted according to the diameters and the shapes of different materials, and the centerless lathe feeding pinch roll is high in universality. The motor runs to drive the transmission rod to rotate and drive the four sets of concave clamping wheels to clamp and convey the two side walls of the cylindrical rod, the machining precision and stability are improved, a workpiece is prevented from sliding or jumping in the machining process, the feeding speed and position can be accurately controlled through the running speed of the motor, and the machining efficiency is improved. And the machining precision and consistency of the workpiece on the centerless lathe are ensured.

Description

Technical Field

[0001] The utility model relates to the field of mechanical engineering, in particular to a feeding pinch roller of a centerless lathe. Background Art

[0002] A centerless lathe is a device used for processing the outer surface of cylindrical rods and tubes. It is mainly used to remove surface hardened layers, cracks and other defects to improve the quality of cylindrical rods and tubes. In a centerless lathe, the feed pinch roller plays an important role in clamping and conveying rods. The existing feed pinch rollers have some shortcomings. First, it is difficult to control the clamping force, and it is difficult to accurately control the clamping force of the pinch roller. If it is too tight, the material may be deformed or damaged. If it is too loose, it cannot be effectively clamped and fed, affecting the processing accuracy and stability, resulting in loose clamping or poor feeding. Secondly, the clamping mechanism is not adjustable and cannot be flexibly adjusted according to different material diameters and shapes, reducing work efficiency and quality. In order to solve the above problems, we proposed a feed pinch roller for a centerless lathe. Summary of the Invention

[0003] The main purpose of the utility model is to provide a feeding pinch roller for a centerless lathe, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A feed pinch roller for a centerless lathe comprises a first outer shell plate, two groups of second outer shell plates are provided on the side walls of the first outer shell plate, two groups of first fixed plates are provided on the side walls of the second outer shell plate, two groups of second fixed plates are provided on the side walls of the two groups of first fixed plates, two groups of cover plates are provided on the side walls of the first outer shell plate, four groups of second sliding grooves are opened on the side walls of the cover plates, a fixing rod is provided on the inner side walls of the cover plates, the fixing rod is rotatably connected to the first guide plate, the first guide plate side wall is provided with a first half gear, the fixing rod is rotatably connected to the second guide plate, the second guide plate side wall is provided with a second half gear, the second half gear is meshed with the first half gear, and the first guide plate and the second guide plate side walls are both fixedly connected to sleeves.

[0006] Preferably, the side wall of the first shell plate is provided with a fixing frame, the side wall of the fixing frame is provided with a passing tube, and the side wall of the cover plate is provided with two groups of first sliding grooves.

[0007] Preferably, a movable plate is provided at the top end of the fixing rod, the movable plate is movably connected to the second sliding groove, and a limiting plate is provided on the inner side wall of the cover plate.

[0008] Preferably, a hole is provided at the bottom end of the sleeve and is rotatably connected to a transmission shaft, a transmission rod is provided at the bottom end of the transmission shaft, and a motor is provided at the bottom end of the transmission rod.

[0009] Preferably, a concave clamping wheel is provided on the side wall of the top end of the transmission shaft, a clamping plate is provided on the top end of the concave clamping wheel, a screw hole is opened on the top end of the clamping plate and a bolt is rotatably connected to the transmission shaft.

[0010] Preferably, a hole is formed on the side wall of the second fixing plate and an air pump is fixedly connected thereto, and a push rod is provided at one end of the air pump.

[0011] Preferably, a first rotating plate is provided at one end of the push rod, a hole is opened on the side wall of the first rotating plate and is rotatably connected to a rotating shaft, the first rotating plate is rotatably connected to a second rotating plate, a hole is opened on the side wall of the second rotating plate and is rotatably connected to a rotating shaft, and the side wall of the second rotating plate is fixedly connected to the sleeve.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The cam is engaged with the first gear and the second gear is engaged with the first gear, and the cam is engaged with the first gear and the second gear, and the cam is engaged with the first gear and the second gear, and the cam is engaged with the first gear and the second gear, and the cam is engaged with the first gear and the second gear, and the cam is engaged with the first gear and the second gear, and the cam is engaged with the first gear and the second gear, and the cam is engaged with the first gear and the second gear, and the cam is engaged with the first gear and the second gear, and the cam is engaged with the first gear and the second gear, and the cam is engaged with the first gear and the second gear, and the cam is engaged with the first gear and the second gear, and the cam is engaged with the

[0014] The feeding and pinching roller of a centerless lathe drives a transmission rod to rotate through the operation of a motor, and drives a transmission shaft to rotate at the same time. The transmission shaft is connected to a sleeve through rotation, so that the transmission shaft continues to rotate while the sleeve moves. The transmission shaft drives four sets of concave clamping wheels to rotate. The rotation of two sets of concave clamping wheels clamps and conveys the two side walls of the cylindrical rod, thereby improving the processing accuracy and stability, preventing the workpiece from slipping or jumping during the processing, and ensuring the smooth progress of the processing. The running speed of the motor can accurately feed the material, and the speed and position of the feed can be accurately controlled to ensure the processing accuracy and consistency of the workpiece on the centerless lathe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic cross-sectional view of the overall structure of the utility model;

[0017] Figure 3 It is a schematic cross-sectional view of a local structure of the utility model;

[0018] Figure 4 This is an explosion diagram of the utility model.

[0019] In the figure: 1. First outer shell plate; 12. Second outer shell plate; 13. Cover plate; 14. First sliding groove; 15. Fixed frame; 16. Through tube; 17. First fixed plate; 18. Second fixed plate; 19. Second sliding groove; 2. Motor; 21. Transmission rod; 22. Sleeve; 23. Transmission shaft; 24. Concave clamping wheel; 25. Clamping plate; 26. Bolt; 27. Limiting plate; 28. Rotating shaft; 3. Air pump; 31. Push rod; 32. First rotating plate; 33. Second rotating plate; 34. First guide plate; 35. First half gear; 36. Second guide plate; 37. Second half gear; 38. Fixed rod; 39. Moving plate. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] like Figure 1-4 As shown, a feed pinch roller for a centerless lathe comprises a first outer shell plate 1, two groups of second outer shell plates 12 are provided on the side wall of the first outer shell plate 1, two groups of first fixed plates 17 are provided on the side wall of the second outer shell plate 12, second fixed plates 18 are provided on the side wall of the two groups of first fixed plates 17, two groups of cover plates 13 are provided on the side wall of the first outer shell plate 1, four groups of second sliding grooves 19 are opened on the side wall of the cover plate 13, a fixing rod 38 is provided on the inner side wall of the cover plate 13, the fixing rod 38 is rotatably connected to the first guide plate 34, a first half gear 35 is provided on the side wall of the first guide plate 34, the fixing rod 38 is rotatably connected to the second guide plate 36, a second half gear 37 is provided on the side wall of the second guide plate 36, the second half gear 37 is meshed with the first half gear 35, and the side walls of the first guide plate 34 and the second guide plate 36 are both fixedly connected to the sleeve 22.

[0022] In this embodiment, a fixing frame 15 is provided on the side wall of the first outer shell plate 1 , a through tube 16 is provided on the side wall of the fixing frame 15 , and two groups of first sliding grooves 14 are opened on the side wall of the cover plate 13 .

[0023] Specifically, the cylindrical rod is fixed in the first direction through the fixing frame 15 on the side wall of the first shell plate 1 and the tube 16, so that the cylindrical rod is transported into the device through the tube 16.

[0024] In this embodiment, a movable plate 39 is provided on the top of the fixing rod 38 , and the movable plate 39 is movably connected to the second sliding groove 19 . A limiting plate 27 is provided on the inner side wall of the cover plate 13 .

[0025] Specifically, the limiting plate 27 is used to prevent the first guide plate 34 and the second guide plate 36 from rotating too much, thereby damaging the device, and the movable plate 39 is movably connected to the second sliding groove 19 to prevent the fixed rod 38 from rotating.

[0026] In this embodiment, a hole is opened at the bottom of the sleeve 22 and a transmission shaft 23 is rotatably connected thereto. A transmission rod 21 is provided at the bottom of the transmission shaft 23, and a motor 2 is provided at the bottom of the transmission rod 21.

[0027] Specifically, the motor 2 is operated to drive the transmission rod 21 to rotate, and at the same time drives the transmission shaft 23 to rotate. The transmission shaft 23 is rotatably connected to the sleeve 22, so that the sleeve 22 moves while the transmission shaft 23 continues to rotate.

[0028] In this embodiment, a concave clamping wheel 24 is provided on the top side wall of the transmission shaft 23, and a clamping plate 25 is provided on the top of the concave clamping wheel 24. A screw hole is opened on the top of the clamping plate 25 and a bolt 26 is rotatably connected to the transmission shaft 23.

[0029] Specifically, the transmission shaft 23 drives the four sets of concave clamping wheels 24 to rotate, and the rotation of two sets of concave clamping wheels 24 clamps and transports the two side walls of the cylindrical rod, thereby improving the processing accuracy and stability. The clamping plate 25 is removed by rotating the bolt 26, so that the worn concave clamping wheels 24 can be replaced and repaired more conveniently.

[0030] In this embodiment, a hole is formed on the side wall of the second fixing plate 18 and the air pump 3 is fixedly connected thereto. A push rod 31 is provided at one end of the air pump 3 .

[0031] Specifically, the air pump 3 is fixed by the second fixing plate 18 , and the operation of the air pump 3 pushes the push rod 31 to move forward and backward.

[0032] In this embodiment, a first rotating plate 32 is provided at one end of the push rod 31, a hole is opened on the side wall of the first rotating plate 32 and is rotatably connected to the rotating shaft 28, the first rotating plate 32 is rotatably connected to the second rotating plate 33, a hole is opened on the side wall of the second rotating plate 33 and is rotatably connected to the rotating shaft 28, and the side wall of the second rotating plate 33 is fixedly connected to the sleeve 22.

[0033] Specifically, the push rod 31 moves toward one end, thereby pushing the first rotating plate 32 to move. The first rotating plate 32 and the second rotating plate 33 are rotatably connected through the rotating shaft 28, so that the second rotating plate 33 moves obliquely, thereby moving the sleeve 22.

[0034] It should be noted that the present invention is a feeding and pinching roller for a centerless lathe. The user fixes the direction of the cylindrical rod in the first step through the fixing frame 15 on the side wall of the first shell plate 1 and the tube 16, so that the cylindrical rod is transported into the device through the tube 16, and the transmission rod 21 is driven to rotate by the operation of the motor 2, and the transmission shaft 23 is driven to rotate at the same time, and the transmission shaft 23 is connected with the sleeve 22 through the transmission shaft 23, so that the sleeve 22 moves while the transmission shaft 23 continues to rotate, and the four sets of concave clamping wheels 24 are driven to rotate by the transmission shaft 23. The two side walls of the cylindrical rod are clamped and transported by the rotation of the two sets of concave clamping wheels 24, thereby improving the processing accuracy and stability. The air pump 3 is fixed by the second fixed plate 18, and the operation of the air pump 3 drives the push rod 31 to move back and forth. The push rod 31 moves to one end, thereby pushing the first rotating plate 32 to move. The first rotating plate 32 is rotatably connected with the second rotating plate 33 through the rotating shaft 28, so that the second rotating plate 33 The first and second guide plates 34 and 36 are rotatably connected to each other through holes on the top of the first and second guide plates 36, so that the first half gear 35 follows the rotation of the first guide plate 34, and the second half gear 37 follows the rotation of the second guide plate 36. The second half gear 37 and the first half gear 35 are meshed with each other, so that the second guide plate 36 and the first guide plate 34 rotate in the opposite direction, so that the distance between the two sets of concave clamping wheels 24 can be adjusted, so that it can be flexibly adjusted according to the diameter and shape of different materials. The limit plate 27 prevents the first and second guide plates 34 and 36 from rotating too much, thereby damaging the device. The movable plate 39 is movably connected to the second sliding groove 19 to prevent the fixing rod 38 from rotating. The clamping plate 25 is removed by rotating the bolt 26, so that the worn concave clamping wheel 24 can be replaced and repaired more conveniently.

[0035] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A centerless lathe feed pinch roller, comprising a first shell plate (1), characterized in that: The first shell plate (1) is provided with two groups of second shell plates (12) on the side wall, the second shell plate (12) is provided with two groups of first fixing plates (17) on the side wall, and the two groups of first fixing plates (17) are provided with second fixing plates (18) on the side wall, the first shell plate (1) is provided with two groups of cover plates (13) on the side wall, and the cover plates (13) are provided with four groups of second sliding grooves (19) on the side wall, and the inner side wall of the cover plates (13) is provided with a fixing rod (38), the fixing rod (38) is rotatably connected to the first guide plate (34), the side wall of the first guide plate (34) is provided with a first half gear (35), the fixing rod (38) is rotatably connected to the second guide plate (36), the side wall of the second guide plate (36) is provided with a second half gear (37), the second half gear (37) and the first half gear (35) are meshed with each other, and the side walls of the first guide plate (34) and the second guide plate (36) are both fixedly connected to the sleeve (22).

2. The centerless lathe feed pinch roller according to claim 1, characterized in that: The side wall of the first shell plate (1) is provided with a fixing frame (15), the side wall of the fixing frame (15) is provided with a through tube (16), and the side wall of the cover plate (13) is provided with two groups of first sliding grooves (14).

3. The centerless lathe feed pinch roller according to claim 1, characterized in that: A movable plate (39) is provided at the top end of the fixed rod (38), and the movable plate (39) is movably connected to the second sliding groove (19). A limiting plate (27) is provided on the inner side wall of the cover plate (13).

4. The centerless lathe feed pinch roller according to claim 1, characterized in that: The bottom end of the sleeve (22) is provided with a hole and is rotatably connected to a transmission shaft (23); the bottom end of the transmission shaft (23) is provided with a transmission rod (21); and the bottom end of the transmission rod (21) is provided with a motor (2).

5. The centerless lathe feed pinch roller according to claim 4, characterized in that: A concave clamping wheel (24) is provided on the top side wall of the transmission shaft (23), a clamping plate (25) is provided on the top of the concave clamping wheel (24), a screw hole is provided on the top of the clamping plate (25) and a bolt (26) is rotatably connected to the transmission shaft (23).

6. The centerless lathe feed pinch roller according to claim 1, characterized in that: A hole is provided on the side wall of the second fixing plate (18) and is fixedly connected to an air pump (3). A push rod (31) is provided at one end of the air pump (3).

7. The centerless lathe feed pinch roller according to claim 6, characterized in that: A first rotating plate (32) is provided at one end of the push rod (31), a hole is provided on a side wall of the first rotating plate (32) and the rotating plate is rotatably connected to a rotating shaft (28), the first rotating plate (32) is rotatably connected to a second rotating plate (33), a hole is provided on a side wall of the second rotating plate (33) and the rotating plate is rotatably connected to the rotating shaft (28), and the side wall of the second rotating plate (33) is fixedly connected to the sleeve (22).

Images