Grinding and chamfering device for spring machining

Abstract

The invention discloses a grinding and chamfering device for spring machining, and relates to the technical field of chamfering machining, the grinding and chamfering device comprises a machining table, a fixing frame and a guide frame, the fixing frame is fixed to the positions, close to the two sides, of the upper surface of the machining table, and the guide frame is fixed to the center of the upper surface of the machining table; supporting legs are fixedly connected to the positions, close to the two sides, of the lower surface of the machining table, a motor is fixedly connected to the top of the fixing frame, a driving rod is connected to the output end of the motor, and a chamfering head is connected to the end of the driving rod; according to the chamfering device, sweeps generated when the chamfering device works can be taken away, the influence of the sweeps on chamfering machining can be avoided, the indicating rod is matched with the indicating plate to indicate the feeding position of chamfering machining, it can be guaranteed that the spring is subjected to chamfering machining at the correct position, the placing position of the spring is calibrated, and the machining efficiency is improved. And the situation that the spring placing position deviates can be avoided, and the spring chamfering machining precision is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of chamfering, in particular to a grinding chamfering device for spring machining. BACKGROUND

[0002] The chamfering device is a small precision machine tool for removing burrs of products processed by chamfering, milling and planing in mold manufacturing, hardware machinery, machine tool manufacturing, hydraulic parts, valve manufacturing and textile machinery. Fast machine chamfering is the trend of the development of the mechanical industry, which overcomes the processing defects of existing machines and electric tools, has the advantages of convenience, speed and accuracy, and is the best choice for chamfering cutting of metal objects. In order to remove burrs on parts due to machining, and to facilitate part assembly, chamfering is generally made on the end of the part. In order to remove the burrs on the end of the spring, the chamfering device is needed for chamfering processing of the spring.

[0003] The chamfering device for spring machining disclosed in the patent No. CN116276452A specifically relates to the field of chamfering device, which comprises a chamfering workbench, a hydraulic drive rod and a rotary motor. The hydraulic drive rod is fixedly connected to the top of the chamfering workbench, and the rotary motor is fixedly connected to one end of the hydraulic drive rod. A rotating rod is rotatably connected to one side of the rotary motor, and a chamfering workpiece is fixedly connected to one end of the rotating rod. A transmission belt is sleeved on the outer wall of the rotating rod, a transmission rotating rod is sleeved on the inner wall of the transmission belt, and a first supporting piece is rotatably connected to the outer wall of the transmission rotating rod and fixedly connected to the top of the chamfering workbench. The transmission belt and the movable sleeve are arranged, when grinding chamfering, the rotating rod drives the transmission rotating rod to rotate through the transmission belt, and finally the water in the water storage tank is sprayed to the chamfering workpiece through the drain pipe, thereby solving the problem that the service life of the chamfering workpiece is reduced due to the failure of the workers to cool the chamfering workpiece in time. However, the chamfering device generates waste during work, and if the waste is not treated, it will affect the chamfering processing. The feeding position of the chamfering processing cannot be indicated, the position of the spring chamfering processing cannot be guaranteed to be accurate, the placement position of the spring may deviate, which may result in excessive or insufficient chamfering, and the precision of the spring chamfering processing may be affected. SUMMARY

[0004] The purpose of the present application is to provide a grinding chamfering device for spring machining to solve the problem that the chamfering device generates waste during work, and if the waste is not treated, it will affect the chamfering processing. The feeding position of the chamfering processing cannot be indicated, the position of the spring chamfering processing cannot be guaranteed to be accurate, the placement position of the spring may deviate, which may result in excessive or insufficient chamfering, and the precision of the spring chamfering processing may be affected.

[0005] A grinding and chamfering device for spring processing includes a processing table, a fixed frame, and a guide frame. The fixed frame is fixed to the upper surface of the processing table near both sides, and the guide frame is fixed to the center of the upper surface of the processing table. Support feet are fixedly connected to the lower surface of the processing table near both sides. A motor is fixedly connected to the top of the fixed frame, and a drive rod is connected to the output end of the motor. A chamfering head is connected to the end of the drive rod. A slide is mounted on the top of the guide frame, and a first arc-shaped cover is fixedly connected to the top of the slide. A second arc-shaped cover is supported on the top of the first arc-shaped cover. A ventilation mechanism is connected between the processing table and the drive rod. An indicating mechanism is connected to the outside of the guide frame, and a calibration component is connected to the top of the second arc-shaped cover.

[0006] Preferably, the exhaust mechanism includes a support base fixed to the upper surface of the processing table. A fan cover is fixedly connected to the top of the support base. A driven shaft is connected through the inside of the fan cover. Blades are evenly distributed on the outer surface of the driven shaft inside the fan cover. A driven bevel gear is connected to the other end of the driven shaft outside the fan cover. A receiving frame is fixedly connected to the top of the support base. A driving bevel gear meshes with the outer surface of the driven bevel gear. A driving shaft is connected between the receiving frame and the driving bevel gear. A driven pulley is sleeved on the outer surface of the driving shaft. The driven pulley is connected to a driving pulley via a transmission belt. The driving pulley is sleeved on the outer surface of the drive rod. The exhaust mechanism can remove the waste chips generated when the chamfering device is working, which can prevent the waste chips from affecting the chamfering process.

[0007] Preferably, the blades are inclinedly disposed on the outer surface of the driven shaft, and the end of the fan cover is flared, which facilitates the extraction of waste generated by chamfering into the fan cover.

[0008] Preferably, the indicating mechanism includes a fixed plate fixed to the outside of the guide frame. A rack plate is fixedly connected to the upper surface of the fixed plate near the edge, and an indicating plate is fixedly connected to the upper surface of the fixed plate near the middle. A gear head is meshed with the outer surface of the rack plate. A connecting column is penetrated through the inside of the gear head. A handwheel is connected to one end of the connecting column, and a bearing seat is connected between the other end of the connecting column and the slide. An indicating rod that mates with the indicating plate is sleeved on the outer surface of the connecting column. The indicating mechanism can indicate the feed position of the chamfering process, ensuring that the spring is in the correct position for chamfering.

[0009] Preferably, the indicator rod is initially positioned in the middle of the indicator plate, and the indicator rod is in contact with the indicator surface of the indicator plate, which makes it easy to observe the displacement of the indicator rod relative to the indicator plate.

[0010] Preferably, the calibration assembly comprises a connecting frame fixed to the top of the second arc-shaped cover, the end of the connecting frame is connected with a connecting frame, the bottom of the connecting frame is fixedly connected with a calibration head, and the top of the connecting frame is fixedly connected with a cross-shaped clamping block clamped into the connecting frame, the inside of the connecting frame is provided with a cross-shaped clamping groove matched with the cross-shaped clamping block, the calibration assembly can calibrate the placement position of the spring, the deviation of the placement position of the spring can be avoided, and the chamfering precision of the spring is improved.

[0011] Preferably, the connecting frame is clamped and connected with the connecting frame through the cross-shaped clamping block clamped into the cross-shaped clamping groove, and the axis of the calibration head is located at the same position as the center of the second arc-shaped cover, so that the calibration head can be calibrated at the center of the end of the spring.

[0012] Preferably, the outer surface of the chamfering head is fixedly connected with a dismounting head inserted into the inside of the driving rod, the inside of the driving rod is inserted with a limiting pin at positions close to both sides, the outer surface of the dismounting head is symmetrically provided with a limiting groove matched with the limiting pin, and the dismounting head is fixedly connected with the driving rod through the limiting pin inserted into the limiting groove. When the limiting pin is pulled out of the limiting groove, the chamfering head is separated from the driving rod through the dismounting head, so that the chamfering head can be conveniently dismounted and replaced.

[0013] Preferably, the inside of the first arc-shaped cover and the second arc-shaped cover is fixedly connected with a retainer, the bottom of the second arc-shaped cover is fixedly connected with a buckling column at positions close to four corner edges, the top of the first arc-shaped cover is provided with a buckling groove matched with the buckling column at positions close to four corner edges, and the second arc-shaped cover is clamped and connected with the first arc-shaped cover through the buckling column inserted into the buckling groove. The buckling of the second arc-shaped cover and the first arc-shaped cover can relatively fix the chamfered spring.

[0014] Preferably, the lower surface of the machining table is fixedly connected with symmetrically arranged guide seats, the inside of the guide seat is provided with a placement plate, the outer surface of both sides of the placement plate is fixedly connected with a sliding rail clamped into the inside of the guide seat, the inside of the guide seat is provided with a sliding groove matched with the sliding rail, the placement plate is relatively moved with the guide seat through the sliding rail and the sliding groove by pulling the placement plate, and the placement plate can be pulled out to store the auxiliary tool.

[0015] Compared with the prior art, the present application has the following advantages: By setting the air extraction mechanism, when the chamfering device works, the driving rod drives the chamfering head to rotate, and the driving rod drives the driving pulley to rotate through the transmission belt, the driving pulley drives the driving bevel gear and the driven bevel gear to mesh with each other through the driving shaft, the driving bevel gear and the driven bevel gear mesh with each other to provide power for the rotation of the driven shaft, and the driven shaft drives the blade to rotate, and the blade cooperates with the fan cover to extract air, so that the waste generated during the work of the chamfering device can be extracted, and the influence of the waste on the chamfering processing can be avoided.

[0016] By setting the indicating mechanism, during the chamfering process, the hand wheel is rotated, the hand wheel drives the gear head and the rack plate to mesh with each other through the connecting column, the connecting column moves transversely together with the bearing seat and the sliding seat, the indicating rod can be driven to displace relative to the indicating plate, the indicating rod cooperates with the indicating plate to indicate the feeding position of the chamfering, and the spring can be ensured to chamfer in the correct position.

[0017] By setting the calibration assembly, after the spring is relatively fixed, the connecting frame is clamped into the cross clamping groove and the connecting frame is clamped into the cross clamping groove, the connecting frame drives the calibration head to contact the port of the spring, the calibration head calibrates the placement position of the spring, the placement position of the spring can be avoided to deviate, and the precision of the chamfering of the spring is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic diagram of the grinding chamfering device for spring machining of the application; Figure 2 It is the shaft side structure schematic diagram of the grinding chamfering device for spring machining of the application; Figure 3 It is the connecting structure schematic diagram of the driving rod and the chamfering head of the grinding chamfering device for spring machining of the application; Figure 4 It is the split drawing of the first arc cover and the second arc cover of the grinding chamfering device for spring machining of the application; Figure 5 It is the connecting structure schematic diagram of the placing plate and the guide seat of the grinding chamfering device for spring machining of the application; Figure 6 It is the structure schematic diagram of the air extraction mechanism of the grinding chamfering device for spring machining of the application; Figure 7 It is the structure schematic diagram of the indicating mechanism of the grinding chamfering device for spring machining of the application; Figure 8 It is the structure schematic diagram of the calibration assembly of the grinding chamfering device for spring machining of the application.

[0019] As shown in the figure, the spring machining grinding chamfering device comprises a machining table 1, a fixing frame 2 and a guide frame 3, the fixing frame 2 is fixed on the upper surface of the machining table 1 near the two sides, the guide frame 3 is fixed on the upper surface of the machining table 1 at the central position, the lower surface of the machining table 1 is fixedly connected with supporting feet 4 near the two sides, the top of the fixing frame 2 is fixedly connected with a motor 5, the output end of the motor 5 is connected with a driving rod 6, the end of the driving rod 6 is connected with a chamfering head 7, the top of the guide frame 3 is clamped with a sliding seat 8, the top of the sliding seat 8 is fixedly connected with a first arc-shaped cover 9, the first arc-shaped cover 9 supports a second arc-shaped cover 10 on the top, an air extraction mechanism is connected between the machining table 1 and the driving rod 6, an indicating mechanism is connected to the outside of the guide frame 3, and a calibration assembly is connected to the top of the second arc-shaped cover 10. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] First embodiment Please refer to Figures 1-8 As shown in the figure, the spring machining grinding chamfering device comprises a machining table 1, a fixing frame 2 and a guide frame 3, the fixing frame 2 is fixed on the upper surface of the machining table 1 near the two sides, the guide frame 3 is fixed on the upper surface of the machining table 1 at the central position, the lower surface of the machining table 1 is fixedly connected with supporting feet 4 near the two sides, the top of the fixing frame 2 is fixedly connected with a motor 5, the output end of the motor 5 is connected with a driving rod 6, the end of the driving rod 6 is connected with a chamfering head 7, the top of the guide frame 3 is clamped with a sliding seat 8, the top of the sliding seat 8 is fixedly connected with a first arc-shaped cover 9, the first arc-shaped cover 9 supports a second arc-shaped cover 10 on the top, an air extraction mechanism is connected between the machining table 1 and the driving rod 6, an indicating mechanism is connected to the outside of the guide frame 3, and a calibration assembly is connected to the top of the second arc-shaped cover 10.

[0022] In this embodiment, in order to realize the waste generated by the chamfering device working is set to set up the exhaust mechanism, the exhaust mechanism includes fixed on the processing table 1 upper surface support seat 11, the top of support seat 11 is fixedly connected with fan cover 12, fan cover 12 is connected with the inside through the driven shaft 13, the outer surface of driven shaft 13 and located in the inside of fan cover 12 evenly distributed with blade 14, and the other end of driven shaft 13 and located outside the fan cover 12 is connected with driven bevel gear 15, the top of support seat 11 is fixedly connected with the receiving frame 16, the outer surface of driven bevel gear 15 is engaged with driving bevel gear 17, the receiving frame 16 and driving bevel gear 17 are connected with driving shaft 18, the outer surface of driving shaft 18 is sleeved with driven pulley 19, driven pulley 19 is connected with driving pulley 21 through transmission belt 20, driving pulley 21 is sleeved on the outer surface of driving rod 6, when the chamfering device works, driving rod 6 drives the rotation of chamfering head 7 at the same time drives the rotation of driving pulley 21, driving pulley 21 drives driven pulley 19 to rotate through transmission belt 20, driven pulley 19 drives driving bevel gear 17 and driven bevel gear 15 to mesh with each other through driving shaft 18, driving bevel gear 17 and driven bevel gear 15 mesh with each other to provide power for the rotation of driven shaft 13, driven shaft 13 drives the rotation of blade 14, blade 14 cooperates with fan cover 12 to exhaust, which can exhaust the waste generated by the chamfering device working, which can avoid the influence of waste on chamfering processing.

[0023] In this embodiment, the blade 14 is inclined on the outer surface of the driven shaft 13, and the end of the fan cover 12 is in the shape of a horn, which can facilitate the waste generated by chamfering to be pumped into the fan cover 12.

[0024] Second embodiment Please refer to Figure 1 , Figure 2 and Figure 7 , based on the first embodiment of the spring grinding chamfering device provided in this application, the second embodiment of the spring grinding chamfering device is proposed, the second embodiment is only the preferred mode of the first embodiment, the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0025] In this embodiment, in order to realize the indication of the feed position of chamfering, an indication mechanism is arranged, the indication mechanism comprises a fixed plate 22 fixed to the outer side of the guide frame 3, a rack plate 23 is fixedly connected to the upper surface of the fixed plate 22 near the edge position, and an indication plate 24 is fixedly connected to the upper surface of the fixed plate 22 near the middle position, the outer surface of the rack plate 23 is meshingly connected with a gear head 25, the inside of the gear head 25 is throughly connected with a connecting column 26, one end of the connecting column 26 is connected with a hand wheel 27, and the other end of the connecting column 26 is connected with a bearing seat 28 between the slide 8, the outer surface of the connecting column 26 is sleeved with an indication rod 29 matched with the indication plate 24, during the chamfering process, the hand wheel 27 is rotated, the hand wheel 27 drives the gear head 25 and the rack plate 23 to mesh with each other through the connecting column 26, the connecting column 26 is transversely moved together with the slide 8 through the bearing seat 28, and the indication rod 29 can be driven to displace relative to the indication plate 24, the indication rod 29 cooperates with the indication plate 24 to indicate the feed position of chamfering, and it can be guaranteed that the spring is chamfered at a correct position.

[0026] In this embodiment, the initial position of the indication rod 29 is at the middle position of the indication plate 24, and the indication rod 29 is attached to the indication surface of the indication plate 24, so that the displacement amount of the indication rod 29 relative to the indication plate 24 can be conveniently observed.

[0027] Third embodiment Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 8 , based on the spring grinding chamfering device provided by the first embodiment of the application, the third embodiment of the application provides another spring grinding chamfering device, the third embodiment is only a preferred mode of the first embodiment, and the implementation of the third embodiment does not affect the separate implementation of the first embodiment.

[0028] In this embodiment, in order to realize the indication of the feed position of chamfering, an indication mechanism is arranged, the indication mechanism comprises a fixed plate 22 fixed to the outer side of the guide frame 3, a rack plate 23 is fixedly connected to the upper surface of the fixed plate 22 near the edge position, and an indication plate 24 is fixedly connected to the upper surface of the fixed plate 22 near the middle position, the outer surface of the rack plate 23 is meshingly connected with a gear head 25, the inside of the gear head 25 is throughly connected with a connecting column 26, one end of the connecting column 26 is connected with a hand wheel 27, and the other end of the connecting column 26 is connected with a bearing seat 28 between the slide 8, the outer surface of the connecting column 26 is sleeved with an indication rod 29 matched with the indication plate 24, during the chamfering process, the hand wheel 27 is rotated, the hand wheel 27 drives the gear head 25 and the rack plate 23 to mesh with each other through the connecting column 26, the connecting column 26 is transversely moved together with the slide 8 through the bearing seat 28, and the indication rod 29 can be driven to displace relative to the indication plate 24, the indication rod 29 cooperates with the indication plate 24 to indicate the feed position of chamfering, and it can be guaranteed that the spring is chamfered at a correct position.

[0029] In the embodiment, the connecting frame 31 is clamped into the cross-shaped clamping groove 34 through the cross-shaped clamping block 33 to be clamped and connected with the connecting frame 30, the axis of the calibration head 32 is in the same position as the center of the second arc-shaped cover 10, and the calibration head 32 can be calibrated at the center of the spring end.

[0030] In the embodiment, the outer surface of the chamfering head 7 is fixedly connected with the dismounting head 35 inserted into the inside of the driving rod 6, the inside of the driving rod 6 is inserted with the limiting pin 36 near the both sides, the outer surface of the dismounting head 35 is symmetrically provided with the limiting slot 37 matched with the limiting pin 36, the dismounting head 35 is fixedly connected with the driving rod 6 through the limiting pin 36 inserted into the limiting slot 37, the limiting pin 36 is pulled out from the limiting slot 37, and the chamfering head 7 is separated from the driving rod 6 through the dismounting head 35, so that the chamfering head 7 can be conveniently dismounted and replaced.

[0031] In the embodiment, the inner side of the first arc-shaped cover 9 and the second arc-shaped cover 10 is fixedly connected with the retainer 38, the bottom of the second arc-shaped cover 10 is fixedly connected with the buckling column 39 near the four corner positions, the top of the first arc-shaped cover 9 is provided with the buckling slot 40 matched with the buckling column 39 near the four corner positions, the second arc-shaped cover 10 is clamped and connected with the first arc-shaped cover 9 through the buckling column 39 inserted into the buckling slot 40, and the second arc-shaped cover 10 and the first arc-shaped cover 9 are buckled to relatively fix the chamfering spring.

[0032] In the embodiment, the lower surface of the machining table 1 is fixedly connected with the symmetrically arranged guide seat 41, the inner side of the guide seat 41 is provided with the placement plate 42, the both side outer surfaces of the placement plate 42 are fixedly connected with the sliding rail 43 clamped into the inside of the guide seat 41, the inside of the guide seat 41 is provided with the sliding slot 44 matched with the sliding rail 43, the placement plate 42 is relatively moved with the guide seat 41 through the sliding rail 43 and the sliding slot 44 by pulling, and the placement plate 42 is pulled out to store the auxiliary tool.

[0033] The working principle and use process of the present application: the processing table 1, the fixed frame 2 and the guide frame 3 constitute the main part of the whole spring grinding chamfering device, the spring needing chamfering is placed on the inner side of the first arc-shaped cover 9, the second arc-shaped cover 10 is inserted into the fastening groove 40 through the fastening column 39 and is clamped with the first arc-shaped cover 9, the fastening of the second arc-shaped cover 10 with the first arc-shaped cover 9 can realize the relative fixation of the chamfering spring, after the relative fixation of the spring, the connecting frame 31 is clamped into the cross clamping groove 34 with the connecting frame 30 through the cross clamping block 33, the connecting frame 31 drives the calibration head 32 to contact the port of the spring, the calibration head 32 calibrates the placement position of the spring, which can avoid the deviation of the placement position of the spring, the motor 5 is started, the motor 5 drives the chamfering head 7 to rotate through the driving rod 6, pushes the sliding seat 8, the sliding seat 8 slides along the guide frame 3, which can drive the spring inside the first arc-shaped cover 9 and the second arc-shaped cover 10 to move horizontally, when the spring contacts the chamfering head 7, the chamfering is realized, during the chamfering process, the hand wheel 27 is rotated, the hand wheel 27 drives the gear head 25 to mesh with the rack plate 23 through the connecting column 26, the connecting column 26 moves horizontally with the sliding seat 8 through the bearing seat 28, which can drive the indicating rod 29 to displace relative to the indicating plate 24, the indicating rod 29 cooperates with the indicating plate 24 to indicate the feeding position of the chamfering, which can ensure that the spring is chamfered in the correct position, when the chamfering device works, the driving rod 6 drives the chamfering head 7 to rotate at the same time, the driving rod 6 drives the driving pulley 21 to rotate, the driving pulley 21 drives the driven pulley 19 to rotate through the transmission belt 20, the driven pulley 19 drives the driving bevel gear 17 to mesh with the driven bevel gear 15 through the driving shaft 18, the meshing of the driving bevel gear 17 and the driven bevel gear 15 provides power for the rotation of the driven shaft 13, the driven shaft 13 drives the blade 14 to rotate, the blade 14 cooperates with the fan cover 12 to perform air extraction, which can extract the waste generated during the work of the chamfering device, which can avoid the influence of the waste on the chamfering, after the chamfering is completed, the limiting pin 36 is pulled out from the limiting groove 37, the chamfering head 7 is separated from the driving rod 6 through the detachable head 35, which can facilitate the disassembly and replacement of the chamfering head 7, the placement plate 42 is pulled out, the placement plate 42 moves relative to the guide seat 41 through the sliding rail 43 and the sliding groove 44, and the placement plate 42 is pulled out to store the auxiliary tool.

[0034] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A grinding and chamfering device for spring processing, characterized in that, The assembly includes a processing table (1), a fixed frame (2), and a guide frame (3). The fixed frame (2) is fixed to the upper surface of the processing table (1) near both sides. The guide frame (3) is fixed to the upper surface of the processing table (1) in the center. Support feet (4) are fixedly connected to the lower surface of the processing table (1) near both sides. A motor (5) is fixedly connected to the top of the fixed frame (2). A drive rod (6) is connected to the output end of the motor (5). A chamfer head (7) is connected to the end of the drive rod (6). A slide (8) is clamped on the top of the guide frame (3). A first arc-shaped cover (9) is fixedly connected to the top of the slide (8). A second arc-shaped cover (10) is supported on the top of the first arc-shaped cover (9). A ventilation mechanism is connected between the processing table (1) and the drive rod (6). An indicator mechanism is connected to the outside of the guide frame (3). A calibration component is connected to the top of the second arc-shaped cover (10).

2. The grinding and chamfering device for spring processing according to claim 1, characterized in that, The exhaust mechanism includes a support base (11) fixed to the upper surface of the processing table (1). A fan cover (12) is fixedly connected to the top of the support base (11). A driven shaft (13) is connected through the inside of the fan cover (12). Blades (14) are evenly distributed on the outer surface of the driven shaft (13) and inside the fan cover (12). A driven bevel gear (15) is connected to the other end of the driven shaft (13) and outside the fan cover (12). A support frame (16) is fixedly connected to the top of the seat (11). The outer surface of the driven bevel gear (15) is meshed with the driving bevel gear (17). A drive shaft (18) is connected between the support frame (16) and the driving bevel gear (17). A driven pulley (19) is sleeved on the outer surface of the drive shaft (18). The driven pulley (19) is connected to the driving pulley (21) through the transmission belt (20). The driving pulley (21) is sleeved on the outer surface of the drive rod (6).

3. The grinding and chamfering device for spring processing according to claim 2, characterized in that, The blades (14) are inclinedly disposed on the outer surface of the driven shaft (13), and the end of the fan cover (12) is horn-shaped.

4. The grinding and chamfering device for spring processing according to claim 1, characterized in that, The indicating mechanism includes a fixed plate (22) fixed to the outside of the guide frame (3). A rack plate (23) is fixedly connected to the upper surface of the fixed plate (22) near the edge, and an indicator plate (24) is fixedly connected to the upper surface of the fixed plate (22) near the middle. A gear head (25) is meshed with the outer surface of the rack plate (23). A connecting column (26) is connected through the inside of the gear head (25). A handwheel (27) is connected to one end of the connecting column (26), and a bearing seat (28) is connected between the other end of the connecting column (26) and the slide (8). An indicator rod (29) that cooperates with the indicator plate (24) is sleeved on the outer surface of the connecting column (26).

5. The grinding and chamfering device for spring processing according to claim 4, characterized in that, The indicator rod (29) is initially positioned in the middle of the indicator plate (24), and the indicator rod (29) is in contact with the indicator surface of the indicator plate (24).

6. The grinding and chamfering device for spring processing according to claim 1, characterized in that, The calibration assembly includes a connecting frame (30) fixed to the top of the second arc-shaped cover (10). A connecting frame (31) is connected to the end of the connecting frame (30). A calibration head (32) is fixedly connected to the bottom of the connecting frame (31). A cross-shaped locking block (33) that is inserted into the connecting frame (30) is fixedly connected to the top of the connecting frame (31). A cross-shaped locking groove (34) that matches the cross-shaped locking block (33) is opened inside the connecting frame (30).

7. The grinding and chamfering device for spring processing according to claim 6, characterized in that, The connecting frame (31) is engaged with the connecting frame (30) by the cross-shaped locking block (33) being inserted into the cross-shaped locking slot (34). The axis of the calibration head (32) is at the same position as the center of the second arc-shaped cover (10).

8. The grinding and chamfering device for spring processing according to claim 1, characterized in that, The outer surface of the chamfered head (7) is fixedly connected to a loading and unloading head (35) inserted into the drive rod (6). Limiting pins (36) are inserted into the drive rod (6) near both sides. The outer surface of the loading and unloading head (35) is symmetrically provided with limiting grooves (37) that match the limiting pins (36). The loading and unloading head (35) is fixedly connected to the drive rod (6) by inserting the limiting pins (36) into the limiting grooves (37).

9. The grinding and chamfering device for spring processing according to claim 1, characterized in that, The inner sides of the first arc-shaped cover (9) and the second arc-shaped cover (10) are fixedly connected with retainers (38). The bottom of the second arc-shaped cover (10) is fixedly connected with fastening posts (39) near the four corners. The top of the first arc-shaped cover (9) is provided with fastening grooves (40) that match the fastening posts (39) near the four corners. The second arc-shaped cover (10) is engaged with the first arc-shaped cover (9) by inserting the fastening posts (39) into the fastening grooves (40).

10. The grinding and chamfering device for spring processing according to claim 1, characterized in that, The lower surface of the processing table (1) is fixedly connected with symmetrically arranged guide seats (41). The inner side of the guide seat (41) is provided with a placement plate (42). The outer surfaces of both sides of the placement plate (42) are fixedly connected with slide rails (43) that are inserted into the guide seat (41). The inside of the guide seat (41) is provided with a slide groove (44) that matches the slide rail (43).

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