Machining clamp for lubrication-free chain wheel

Abstract

The utility model belongs to the technical field of chain wheel machining, and particularly relates to a machining clamp for a lubrication-free chain wheel. A fixing frame is fixedly connected to the bottom plate. Two moving grooves are formed in the fixing frame; a rotating rod is lapped in the moving groove; the two rotating rods are fixedly connected with the same workbench; two rotating shafts are rotationally connected to the workbench; a groove is formed in the bottom plate; a hydraulic rod is fixedly connected into the groove; a chain wheel is placed on a connecting table, a connecting shaft connected with a first handle is rotated, so that four fixing clamping plates are firmly clamped to the inner ring of the chain wheel, and when the angle is adjusted, a hydraulic rod pushes a workbench to rise through a pin shaft, the workbench slides in a moving groove in a fixing frame through a rotating rod, and the workbench rotates through a rotating shaft to assist the workbench to rise the angle; and therefore, the machining angle is adjusted, machining is more convenient, the machining efficiency is improved, and the machining cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sprocket processing, in particular to a processing fixture for lubrication-free sprockets. Background Art

[0002] A sprocket is a wheel with cog-shaped sprocket teeth, which is used to mesh with accurately pitched blocks on link chains or cables. Sprockets are widely used in mechanical transmission in chemical industry, textile machinery, food processing, instrumentation, petroleum and other industries. Lubrication-free sprocket is one of the sprockets.

[0003] After the lubrication-free sprocket is forged, it needs subsequent processing, and the subsequent processing requires a processing fixture to fix the lubrication-free sprocket. During processing, it is inevitable to adjust the sprocket angle before processing. However, it is difficult to adjust the angle when the existing device is fixed, and secondary equipment needs to be used for adjustment.

[0004] When the processing fixture of the lubrication-free sprocket in the prior art is fixed, when the sprocket angle needs to be adjusted for further processing after the fixture is fixed, secondary equipment needs to be used for adjustment, and processing is performed after the adjustment is completed, thereby making the processing production efficiency low and increasing the processing cost.

[0005] Therefore, in view of the above problems, a processing fixture for a lubrication-free sprocket is proposed. Utility Model Content

[0006] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model provides a processing fixture for a lubrication-free sprocket.

[0007] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes a processing fixture for a lubrication-free sprocket, comprising a base plate; a fixing frame is fixedly connected to the base plate; two movable grooves are provided on the fixing frame; a rotating rod is overlapped in the movable groove; two rotating rods are fixedly connected to the same workbench; two rotating shafts are rotatably connected to the workbench; a groove is provided on the base plate; a hydraulic rod is fixedly connected in the groove; a pin is rotatably connected to the other end of the hydraulic rod; the pin is detachably connected to the workbench; a fixing device is arranged on the workbench; the fixing device comprises a connecting table; a connecting shaft is rotatably connected to the connecting table; a bevel gear 1 is fixedly connected to the connecting shaft; four bevel gears 2 are connected to the bevel gear 1.

[0008] Preferably; a screw is fixedly connected to the bevel gear 2; a threaded sleeve is sleeved on the screw; the screw is threadedly connected to the threaded sleeve; the bevel gear 1 is meshingly connected with the four bevel gears 2; a fixed clamp is fixedly connected to the threaded sleeve; the screw passes through one end of the connecting platform and is fixedly connected to a handle 1.

[0009] Preferably, a rotating shaft is rotatably connected inside the workbench; a worm is fixedly connected to one end of the rotating shaft; a worm wheel is connected to the worm; a linkage shaft is fixedly connected to the worm wheel; a fixed splint is fixedly connected to the threaded sleeve.

[0010] Preferably, the linkage shaft is rotatably connected to a workbench; the other end of the linkage shaft is fixed to the workbench; the other end of the rotating shaft is fixedly connected to a handle 2.

[0011] Preferably, bolts are provided on the rotating rod; and the rotating rod is fixed in the movable groove by the bolts.

[0012] Preferably, a fixing bracket is fixedly connected to the bottom of the base plate; and two pins are rotatably connected to the inner side of the fixing bracket.

[0013] Preferably, a plurality of fixing grooves are provided on the fixing bracket; and an anti-slip pad is fixedly connected to the bottom of the fixing bracket.

[0014] The utility model is beneficial in that:

[0015] 1. The utility model discloses a processing fixture for lubrication-free sprockets, which is provided with a workbench, a pin shaft, a hydraulic rod and a fixing device. When using the device, the sprocket is placed on the connecting table, and the connecting shaft connected to the handle is turned so that the four fixing clamps are firmly clamped on the inner ring of the sprocket. When adjusting the angle, the hydraulic rod pushes the workbench to rise through the pin shaft, and the workbench slides in the movable groove on the fixing frame through the rotating rod. The workbench rotates through the rotating shaft to assist the workbench in lifting the angle, thereby completing the adjustment of the processing angle, making the processing more convenient, thereby improving the processing efficiency and reducing the processing cost.

[0016] 2. The utility model describes a processing fixture for a lubrication-free sprocket, which, by setting a fixing device and placing the sprocket on a connecting table, turns handle 2, which drives the connecting shaft to rotate, which drives bevel gear 1 to rotate, and then bevel gear 1 drives four bevel gears 2 to rotate, which drives the screw to rotate, and the screw pushes the threaded sleeve to move, so that the fixed splint on the threaded sleeve fits against the inner ring of the sprocket, thereby fixing the sprocket, reducing the movement of the sprocket during processing, and improving the stability during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the fixing device in the utility model;

[0020] Figure 3 It is a schematic diagram of the cross-sectional structure of the workbench in the utility model;

[0021] Figure 4 This is a schematic diagram of the connection structure between the base plate and the fixed bracket in the utility model;

[0022] Figure 5 It is a schematic diagram of the structure when viewed from above in the present utility model.

[0023] In the figure: 1, bottom plate; 2, fixed frame; 3, moving groove; 4, bolt; 5, rotating rod; 6, rotating shaft; 7, workbench; 8, hydraulic rod; 9, pin shaft; 10, fixing device; 101, connecting platform; 102, connecting shaft; 103, bevel gear one; 104, bevel gear two; 105, screw rod; 106, threaded sleeve rod; 107, fixing splint; 108, handle one; 11, worm; 12, worm wheel; 13, rotating shaft; 14, handle two; 15, fixing bracket; 16, fixing groove; 17, anti-slip pad; 18, groove; 19, connecting shaft. DETAILED DESCRIPTION

[0024] 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.

[0025] like Figure 1-5As shown, a processing fixture for a lubrication-free sprocket comprises a base plate 1; a fixing frame 2 is fixedly connected to the base plate 1; two moving grooves 3 are provided on the fixing frame 2; a rotating rod 5 is overlapped in the moving groove 3; two rotating rods 5 are fixedly connected to the same workbench 7; two rotating shafts 6 are rotatably connected to the workbench 7; a groove 18 is provided on the base plate 1; a hydraulic rod 8 is fixedly connected in the groove 18; a pin 9 is rotatably connected to the other end of the hydraulic rod 8; the pin 9 is detachably connected to the workbench 7; a fixing device 10 is provided on the workbench 7; the fixing device 10 comprises a connecting platform 101; a connecting shaft 102 is rotatably connected to the connecting platform 101; the connecting shaft 1 02 is fixedly connected with a bevel gear 103; the bevel gear 103 is connected with four bevel gears 2 104; by setting a workbench 7, a pin shaft 9, a hydraulic rod 8 and a fixing device 10, when using the device, by placing the sprocket on the connecting table 101, and turning the connecting shaft 102 connected to the handle 108, the four fixed clamps 107 are firmly clamped on the inner ring of the sprocket. When adjusting the angle, the hydraulic rod 8 pushes the workbench 7 to rise through the pin shaft 9, and the workbench 7 slides in the moving groove 3 on the fixed frame 2 through the rotating rod 5. The workbench 7 rotates through the rotating shaft 6 to assist the workbench 7 in lifting the angle, thereby completing the processing angle adjustment, making the processing more convenient, thereby improving the processing efficiency and reducing the processing cost.

[0026] Further, such as Figure 1 and Figure 2 As shown, the bevel gear 2 104 is fixedly connected with a screw rod 105; the screw rod 105 is sleeved with a threaded sleeve rod 106; the screw rod 105 is threadedly connected to the threaded sleeve rod 106; the bevel gear 1 103 is meshed with the four bevel gears 2 104; the threaded sleeve rod 106 is fixedly connected with a fixed clamping block; the screw 105 passes through one end of the connecting platform 101 and is fixedly connected with a handle 108; the threaded sleeve rod 106 is fixedly connected with a fixed clamping plate 107; by placing the sprocket It is placed on the connecting platform 101, and when the handle 2 14 is turned, the handle 2 14 drives the connecting shaft 102 to rotate, and the connecting shaft 102 drives the bevel gear 1 103 to rotate, and then the bevel gear 103 drives the four bevel gears 2 104 to rotate, and the bevel gear 2 104 drives the screw 105 to rotate, and the screw 105 pushes the threaded sleeve 106 to move, so that the fixed clamping plate 107 on the threaded sleeve 106 fits against the inner ring of the sprocket, thereby fixing the sprocket, reducing the movement of the sprocket during processing, and improving the stability during processing.

[0027] Further, such as Figure 3As shown, a rotating shaft 13 is rotatably connected inside the workbench 7; a worm 11 is fixedly connected to one end of the rotating shaft 13; a worm wheel 12 is connected to the worm 11; a linkage shaft 19 is fixedly connected to the worm wheel 12; the linkage shaft 19 is rotatably connected to the workbench 7; the other end of the linkage shaft 19 is fixed to the workbench 7; the other end of the rotation shaft 13 is fixedly connected to a handle 2 14; when the device is used, the sprocket is fixed to the connecting table 101 by the fixing device 10, and when the processing direction needs to be adjusted horizontally, the handle 2 14 is rotated, and the handle 2 14 drives the rotating shaft 13, and the rotating shaft 13 drives the worm wheel 12 to rotate through the connected worm 11, and the worm wheel 12 drives the workbench 7 to rotate through the linkage shaft 19, and then drives the sprocket fixed to the connecting table 101 to rotate, and then adjusts the horizontal direction, so that the horizontal processing direction can be adjusted at any time during processing, thereby making the device more convenient to use and improving the practicality of the device.

[0028] Further, such as Figure 4 As shown, the rotating rod 5 is provided with a bolt 4; the rotating rod 5 is fixed in the movable groove 3 by the bolt 4; by providing the bolt 4, when the vertical angle adjustment is completed, by tightening the bolt 4 connected to the rotating rod 5, the workbench 7 is fixed on the fixed frame 2, thereby reducing the sprocket from descending during angle processing, thereby affecting the processing, and improving the stability of the device.

[0029] Further, such as Figure 4 As shown, a fixing bracket 15 is fixedly connected to the bottom of the base plate 1; two pins 9 are rotatably connected to the inner side of the fixing bracket 2; by setting the fixing bracket 15, the bearing capacity of the base plate 1 is improved when the device is in use, making it more stable during processing.

[0030] Further, such as Figure 5 As shown, the fixing bracket 15 is provided with a plurality of fixing grooves 16; the bottom of the fixing bracket 15 is fixedly connected with an anti-skid pad 17; by providing the anti-skid pad 17 and the fixing groove 16, when the device is used, the external fixing part is fixed in the fixing groove 16 to fix the device, and when it is not fixed, the anti-skid pad 17 is used to reduce the large movement of the device during processing, thereby reducing the impact of large movement on subsequent processing.

[0031] Working principle: when working, by placing the sprocket on the connecting table 101, and turning the connecting shaft 102 connected to the handle 108, the four fixed clamps 107 are firmly clamped on the inner ring of the sprocket. When adjusting the angle, the hydraulic rod 8 pushes the workbench 7 to rise through the pin 9, and the workbench 7 slides in the moving groove 3 on the fixed frame 2 through the rotating rod 5. The workbench 7 rotates through the rotating shaft 6 to assist the workbench 7 to lift the angle, thereby completing the processing angle adjustment, making the processing more convenient, thereby improving the processing efficiency and reducing the processing cost. By placing the sprocket on the connecting table 101, the four fixed clamps 107 are firmly clamped on the inner ring of the sprocket. When adjusting the angle, the hydraulic rod 8 pushes the workbench 7 to rise through the pin 9, and the workbench 7 slides in the moving groove 3 on the fixed frame 2 through the rotating rod 5. The workbench 7 rotates through the rotating shaft 6 to assist the workbench 7 to lift the angle, thereby completing the processing angle adjustment, making the processing more convenient, thereby improving the processing efficiency and reducing the processing cost. On the connecting platform 101, when the handle 2 14 is turned, the handle 2 14 drives the connecting shaft 102 to rotate, the connecting shaft 102 drives the bevel gear 1 103 to rotate, and then the bevel gear 1 103 drives the four bevel gears 2 104 to rotate, and the bevel gear 2 104 drives the screw 105 to rotate, and the screw 105 pushes the threaded sleeve 106 to move, so that the fixed clamping plate 107 on the threaded sleeve 106 fits on the inner ring of the sprocket, thereby fixing the sprocket, reducing the movement of the sprocket during processing, and improving the stability during processing. The sprocket is fixed on the connecting platform 10 by the fixing device 10 1, when the processing direction needs to be adjusted horizontally, by turning the handle 14, the handle 14 drives the rotating shaft 13, the rotating shaft 13 drives the worm wheel 12 to rotate through the connected worm 11, the worm wheel 12 drives the workbench 7 to rotate through the linkage shaft 19, and then drives the sprocket wheel fixed to the connecting table 101 to rotate, and then adjusts the horizontal direction, so that the horizontal processing direction can be adjusted at any time during processing, so that the device is more convenient to use and the practicality of the device is improved. By setting the bolt 4, when the vertical angle is adjusted, by tightening the bolt connected to the rotating rod 5 4, so that the workbench 7 is fixed on the fixing frame 2, the sprocket is reduced to drop when performing angle processing, thereby affecting the processing and improving the stability of the device. By setting the fixing bracket 15, the bearing capacity of the bottom plate 1 is improved when the device is in use, making the processing more stable. By setting the anti-skid pad 17 and the fixing groove 16, when the device is used, the external fixing part is fixed in the fixing groove 16 to fix the device. When it is not fixed, the anti-skid pad 17 is used to reduce the large movement of the device during processing, thereby reducing the impact of large movement on subsequent processing.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A processing fixture for a lubrication-free sprocket, comprising a base plate (1); characterized in that: The bottom plate (1) is fixedly connected to a fixing frame (2); the fixing frame (2) is provided with two movable grooves (3); a rotating rod (5) is overlapped in the movable groove (3); the two rotating rods (5) are fixedly connected to the same workbench (7); the workbench (7) is rotatably connected to two rotating shafts (6); the bottom plate (1) is provided with a groove (18); a hydraulic rod (8) is fixedly connected in the groove (18); the other end of the hydraulic rod (8) is rotatably connected to a pin shaft (9); the pin shaft (9) is detachably connected to the workbench (7); a fixing device (10) is provided on the workbench (7); the fixing device (10) comprises a connecting platform (101); a connecting shaft (102) is rotatably connected to the connecting platform (101); a bevel gear 1 (103) is fixedly connected to the connecting shaft (102); and four bevel gear 2s (104) are connected to the bevel gear 1 (103).

2. A processing fixture for a lubrication-free sprocket according to claim 1, characterized in that: The bevel gear 2 (104) is fixedly connected with a screw rod (105); the screw rod (105) is sleeved with a threaded sleeve rod (106); the screw rod (105) is threadedly connected to the threaded sleeve rod (106); the bevel gear 1 (103) is meshedly connected with the four bevel gear 2s (104); the threaded sleeve rod (106) is fixedly connected with a fixed clamping block; one end of the screw rod (105) passing through the connecting platform (101) is fixedly connected with a handle 1 (108); and the threaded sleeve rod (106) is fixedly connected with a fixed clamping plate (107).

3. A processing fixture for a lubrication-free sprocket according to claim 1, characterized in that: A rotating shaft (13) is rotatably connected inside the workbench (7); a worm (11) is fixedly connected to one end of the rotating shaft (13); a worm wheel (12) is connected to the worm (11); and a linkage shaft (19) is fixedly connected to the worm wheel (12).

4. A processing fixture for a lubrication-free sprocket according to claim 3, characterized in that: The linkage shaft (19) is rotatably connected to the workbench (7); the other end of the linkage shaft (19) is fixed to the workbench (7); and the other end of the rotating shaft (13) is fixedly connected to a second handle (14).

5. The processing fixture for lubrication-free sprocket according to claim 1, characterized in that: The rotating rod (5) is provided with a bolt (4); the rotating rod (5) is fixed in the moving groove (3) by the bolt (4).

6. A processing fixture for a lubrication-free sprocket according to claim 5, characterized in that: The bottom of the base plate (1) is fixedly connected to a fixing bracket (15); two pin shafts (9) are rotatably connected to the inner side of the fixing bracket (2).

7. A processing fixture for a lubrication-free sprocket according to claim 6, characterized in that: The fixing bracket (15) is provided with a plurality of fixing grooves (16); and an anti-slip pad (17) is fixedly connected to the bottom of the fixing bracket (15).

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