CN216179635U

CN216179635U - Grinder with protector

Info

Publication number: CN216179635U
Application number: CN202122098696.4U
Authority: CN
Inventors: 康平
Original assignee: Anqing Qianfu Technology Co ltd
Current assignee: Anqing Qianfu Technology Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-04-05
Anticipated expiration: 2031-09-01

Abstract

The utility model is suitable for the field of grinding machines, and provides a grinding machine with a protective device, which comprises a base, wherein the upper surface of the base is fixedly connected with a side plate, the right side surface of the side plate is fixedly provided with a motor, the output end of the motor is fixedly connected with a rotating shaft, the outer surface of the rotating shaft is fixedly provided with a grinding wheel, the upper surface of the base is provided with a groove, the inner wall of the groove is rotatably connected with a screw rod, the outer surface of the screw rod is in threaded connection with a nut seat, the upper surface of the nut seat is connected with a clamping plate through a limiting plate, the outer surface of the clamping plate is provided with a through hole, a threaded sleeve is movably inserted in the through hole, the inner part of the threaded sleeve is in threaded connection with a threaded shaft, the inner end of the threaded shaft is fixedly connected with a fixed plate, the inner surface of the fixed plate is rotatably connected with a turntable, and a movable rod is movably inserted in the outer surface of the clamping plate, the device has the advantage of high polishing efficiency through the arrangement of a series of structures.

Description

Grinder with protector

Technical Field

The utility model belongs to the technical field of grinding machines, and particularly relates to a grinding machine with a protection device.

Background

The grinder is a common device used for sharpening various cutters and tools, and is also used for grinding, deburring, cleaning and the like of common small parts.

When the existing grinding machine is used, workers need to hold the workpiece with hands, and sparks and scraps can injure the workers due to the fact that the workpiece is close to the workpiece.

SUMMERY OF THE UTILITY MODEL

The utility model provides a grinding machine with a protective device, which comprises a base, wherein the upper surface of the base is fixedly connected with a side plate, the right side surface of the side plate is fixedly provided with a motor, the output end of the motor is fixedly connected with a rotating shaft, a grinding wheel is fixedly arranged on the outer surface of the rotating shaft, a groove is formed in the upper surface of the base, a screw rod is rotatably connected to the inner wall of the groove, the outer surface of the screw rod is connected with a nut seat in a threaded manner, the upper surface of the nut seat is fixedly connected with a limiting plate, the upper surface of the limiting plate is fixedly connected with a clamping plate, the outer surface of the clamping plate is provided with a through hole, a threaded sleeve is movably inserted in the through hole, the internal thread of the threaded sleeve is connected with a threaded shaft, the inner end of the threaded shaft is fixedly connected with a fixed plate, the inner surface of the fixed plate is rotatably connected with a turntable, and a movable rod is movably inserted into the outer surface of the clamping plate.

Preferably, the outer surface of the screw rod and the outer surface of the rotating shaft are both connected with a transmission chain through a transmission wheel in a transmission manner, and reciprocating threads are arranged on the outer surface of the screw rod.

Preferably, the limiting plate extends to the upper surface of the groove, and the limiting plate is matched with the groove.

Preferably, a rotating groove is formed in the inner wall of the through hole, a rotating block is fixedly connected to the outer surface of the threaded sleeve, and the rotating groove is rotatably connected with the rotating block.

Preferably, the outer surface of the threaded shaft is provided with a limiting groove, the inner wall of the clamping plate is fixedly connected with an L-shaped limiting block, and the L-shaped limiting block is connected with the limiting groove in a sliding manner.

Preferably, the movable rod with the telescopic equal fixedly connected with hand wheel of surface of screw thread, the inner fixedly connected with cross rod of movable rod, the surface cover of cross rod is equipped with the sleeve, telescopic fixed surface installs the driving gear, the fixed surface of carousel installs driven gear, driving gear and driven gear meshing.

Preferably, the inner wall of the sleeve is provided with a sliding groove, and the outer surface of the cross rod is fixedly connected with a sliding block in sliding connection with the sliding groove.

Preferably, the outer fixed surface of curb plate installs the protection casing, the protection casing is the setting of U type.

The technical scheme of the utility model has the following beneficial technical effects:

1. the motor works to drive the grinding wheel to rotate, and meanwhile, the conveying chain can drive the screw rod to rotate, so that the clamped workpiece can be moved rightwards, and the workpiece can be automatically polished;

2. through the arrangement of the clamping plate, workpieces with different sizes can be clamped conveniently, and polishing operation is facilitated;

3. through the cooperation of the driving gear and the driven gear, when the movable rod is rotated, the rotary table and a workpiece fixed on the clamping plate can be driven to rotate, so that the workpiece can be polished without dead angles.

Drawings

Fig. 1 is a schematic structural diagram of a grinder with a guard according to the present invention.

Fig. 2 is a schematic structural diagram of a side surface of a clamping plate in a grinder with a protection device according to the present invention.

Fig. 3 is an enlarged schematic structural view of a portion a in fig. 2 of a grinder with a guard according to the present invention.

Fig. 4 is a schematic side view of a connection between a sleeve and a cross bar of a grinder with a guard according to the present invention.

Fig. 5 is a schematic side view of a rotary table of a grinder with a guard according to the present invention.

Reference numerals: 1. a base; 2. a side plate; 3. a motor; 4. a rotating shaft; 5. a grinding wheel; 6. a groove; 7. a screw rod; 8. a conveyor chain; 9. a nut seat; 10. a limiting plate; 11. a clamping plate; 12. a threaded sleeve; 13. a hand wheel; 14. a threaded shaft; 15. a limiting groove; 16. an L-shaped limiting block; 17. a fixing plate; 18. a turntable; 19. A driven gear; 20. a movable rod; 21. a sleeve; 22. a cross bar; 23. a chute; 24. a slider; 25. A driving gear; 26. a rotating tank; 27. rotating the block; 28. a shield.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.

As shown in fig. 1-5, the grinder with a protection device provided by the utility model comprises a base 1, a side plate 2 is fixedly connected to the upper surface of the base 1, a motor 3 is fixedly installed on the right side surface of the side plate 2, a rotating shaft 4 is fixedly connected to the output end of the motor 3, a grinding wheel 5 is fixedly installed on the outer surface of the rotating shaft 4, a groove 6 is formed in the upper surface of the base 1, a lead screw 7 is rotatably connected to the inner wall of the groove 6, a nut seat 9 is connected to the outer surface of the lead screw 7 through a thread, a limiting plate 10 is fixedly connected to the upper surface of the nut seat 9, a clamping plate 11 is fixedly connected to the upper surface of the limiting plate 10, a through hole is formed in the outer surface of the clamping plate 11, a threaded sleeve 12 is movably inserted in the through hole, a threaded shaft 14 is connected to the internal thread of the threaded sleeve 12, a fixing plate 17 is fixedly connected to the inner end of the threaded shaft 14, a rotating disc 18 is rotatably connected to the inner surface of the fixing plate 17, the outer surface of the clamping plate 11 is movably inserted with a movable rod 20.

Specifically, the outer surface of the screw rod 7 and the outer surface of the rotating shaft 4 are both connected with a transmission chain 8 through transmission of a transmission wheel, reciprocating threads are arranged on the outer surface of the screw rod 7, and the screw rod 7 can be driven to rotate when the rotating shaft 4 rotates.

Specifically, limiting plate 10 extends to the upper surface of recess 6, and limiting plate 10 and recess 6 phase-match play spacing effect, can make limiting plate 10 lateral shifting when lead screw 7 rotates.

Specifically, a rotating groove 26 is formed in the inner wall of the through hole, a rotating block 27 is fixedly connected to the outer surface of the threaded sleeve 12, and the rotating groove 26 and the rotating block 27 are rotatably connected to enable the threaded sleeve 12 to stably rotate.

Specifically, the limiting groove 15 has been seted up to the surface of threaded shaft 14, and the inner wall fixedly connected with L type stopper 16 of grip block 11, L type stopper 16 and limiting groove 15 sliding connection play spacing effect, make threaded shaft 14 can lateral shifting.

Specifically, the equal fixedly connected with hand wheel 13 of surface of movable rod 20 and threaded sleeve 12, the inner fixedly connected with cross rod 22 of movable rod 20, the surface cover of cross rod 22 is equipped with sleeve 21, sleeve 21's surface fixed mounting has driving gear 25, the surface fixed mounting of carousel 18 has driven gear 19, driving gear 25 and driven gear 19 mesh, cooperate with sleeve 21 through cross rod 22, not only can make driving gear 25 and driven gear 19 be in the state of meshing all the time, simultaneously can also be convenient for movable rod 20 to rotate.

Specifically, the inner wall of the sleeve 21 is provided with a sliding groove 23, and the outer surface of the cross rod 22 is fixedly connected with a sliding block 24 which is in sliding connection with the sliding groove 23, so that the cross rod 22 can move in the sleeve 21 conveniently and cannot rotate in the sleeve 21.

Specifically, the outer fixed surface of curb plate 2 installs protection casing 28, and protection casing 28 is the setting of U type, and protection casing 28 can play dirt-proof effect, and the protecting effect is good.

The working principle and the using process of the utility model are as follows: the distance between two turntables 18 is adjusted according to the size of a workpiece to be polished, the upper hand wheel 13 is rotated to drive the threaded sleeve 12 to rotate, the threaded shaft 14 drives the fixing plate 17 to move inwards, so that the two symmetrical turntables 18 can move relatively until the workpiece is clamped, the driving gear 25 is pushed inwards while the turntables 18 rotate, the driving gear 25 is always meshed with the driven gear 19, then the motor 3 is started, the motor 3 works to drive the rotating shaft 4 to rotate, the grinding wheel 5 is driven to rotate when the rotating shaft 4 rotates, the screw rod 7 is driven to rotate through the conveying chain 8, the nut seat 9 can be driven to move transversely, the fixed workpiece is moved rightwards, the outer surface of the workpiece is polished, when the position of the outer surface of the workpiece needs to be adjusted, the lower hand wheel 13 is rotated to drive the movable rod 20 to rotate, and the cross rod 22 and the sleeve 21 are matched, the driving gear 25 can be rotated, and the clamped workpiece is driven to rotate by the driven gear 19, so that the outer surface of the workpiece can be polished without dead angles.

Claims

1. The utility model provides a grinder with protector, includes base (1), its characterized in that: the grinding wheel grinding machine is characterized in that a side plate (2) is fixedly connected to the upper surface of a base (1), a motor (3) is fixedly mounted on the right side surface of the side plate (2), a rotating shaft (4) is fixedly connected to the output end of the motor (3), a grinding wheel (5) is fixedly mounted on the outer surface of the rotating shaft (4), a groove (6) is formed in the upper surface of the base (1), a lead screw (7) is rotatably connected to the inner wall of the groove (6), a nut seat (9) is connected to the outer surface of the lead screw (7) in a threaded manner, a limiting plate (10) is fixedly connected to the upper surface of the nut seat (9), a clamping plate (11) is fixedly connected to the upper surface of the limiting plate (10), a through hole is formed in the outer surface of the clamping plate (11), a threaded sleeve (12) is movably inserted in the through hole, and a threaded shaft (14) is connected to the internal thread of the threaded sleeve (12), the inner end of the threaded shaft (14) is fixedly connected with a fixed plate (17), the inner surface of the fixed plate (17) is rotatably connected with a turntable (18), and a movable rod (20) is movably inserted into the outer surface of the clamping plate (11).

2. The grinder with guard according to claim 1, characterized in that the outer surface of the screw (7) and the outer surface of the spindle (4) are connected with a transmission chain (8) through a transmission wheel, and the outer surface of the screw (7) is provided with a reciprocating thread.

3. The grinder with guard according to claim 1, characterized in that the limit plate (10) extends to the upper surface of the groove (6), and the limit plate (10) and the groove (6) are matched.

4. The grinder with the protection device as claimed in claim 1, wherein the inner wall of the through hole is provided with a rotating groove (26), the outer surface of the threaded sleeve (12) is fixedly connected with a rotating block (27), and the rotating groove (26) is rotatably connected with the rotating block (27).

5. The grinder with the protection device is characterized in that a limiting groove (15) is formed in the outer surface of the threaded shaft (14), an L-shaped limiting block (16) is fixedly connected to the inner wall of the clamping plate (11), and the L-shaped limiting block (16) is slidably connected with the limiting groove (15).

6. The grinder with the protection device is characterized in that a hand wheel (13) is fixedly connected to the outer surfaces of the movable rod (20) and the threaded sleeve (12), a cross rod (22) is fixedly connected to the inner end of the movable rod (20), a sleeve (21) is sleeved on the outer surface of the cross rod (22), a driving gear (25) is fixedly installed on the outer surface of the sleeve (21), a driven gear (19) is fixedly installed on the outer surface of the rotary table (18), and the driving gear (25) is meshed with the driven gear (19).

7. The grinder with the protection device as claimed in claim 6, wherein the inner wall of the sleeve (21) is provided with a sliding groove (23), and a sliding block (24) slidably connected with the sliding groove (23) is fixedly connected to the outer surface of the cross bar (22).

8. The grinder with the protection device as claimed in claim 1, characterized in that a protection cover (28) is fixedly mounted on the outer surface of the side plate (2), and the protection cover (28) is U-shaped.