CN212240358U

CN212240358U - Grinding device for machining of mechanical workpiece

Info

Publication number: CN212240358U
Application number: CN202020326356.5U
Authority: CN
Inventors: 徐亚红
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-12-29
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses a grinding device is used in machining of mechanical parts, including base, motor and control switch, the right side top fixed mounting of base has the motor, and fixed mounting has the wheel of polishing on the rotation output shaft of motor, protection machanism is installed to the right side top of base, and protection machanism's internally mounted has first backup pad, first slide rail, connecting rod and protection casing, moving mechanism is installed to the left side top of base. The utility model discloses a set up the spacing roof of first screw rod cooperation among the moving mechanism and restrict the support, restrict the moving range of movable plate in advance, the effectual accurate nature that ensures the device when polishing is favorable to preventing excessively polishing, and simultaneously, set up the second swivel nut and be threaded connection with the second screw rod, can drive the second screw rod through rotating the second swivel nut and remove, and the effectual device that makes moves more smoothly when polishing the work piece, has strengthened the device's job stabilization nature greatly.

Description

Grinding device for machining of mechanical workpiece

Technical Field

The utility model relates to a mechanical workpiece processing grinding device technical field specifically is a grinding device is used in mechanical workpiece processing.

Background

With the technical development in the field of machine manufacturing, the machine manufacturing technology has changed our daily production and living habits, and human existence and machine manufacturing become more and more dense, and nowadays, in machine manufacturing, the processing of mechanical workpieces is usually formed by die casting, and due to the defects of the closed positions on the die, the surfaces of the produced workpieces are easily attached with fine burrs, and in order to improve the use accuracy of the workpieces, the burrs are usually removed by adopting a polishing mode.

The existing polishing device for machining a mechanical workpiece is usually used for manually grasping a workpiece by a worker to polish, is lack of limitation in the operation process, generally depends on the hand feeling and experience of the worker on the polishing degree of the workpiece, and is easy to cause overlarge workpiece abrasion;

in addition, in the existing grinding device for machining the mechanical workpiece, in use, a protective cover outside a grinding wheel is mostly fixed on equipment through bolts, when the grinding wheel needs to be replaced, the protective cover needs to be detached, and the operation is inconvenient, so that the grinding device for machining the mechanical workpiece is provided for solving the problems.

Disclosure of Invention

An object of the utility model is to provide a grinding device is used in machining to solve the current grinding device is used in machining that provides in the above-mentioned background art and adopt the mode of handheld work piece to polish when using, lead to the precision of polishing lower, and grinding device's protection casing adopts bolt fixed mounting's mode, inconvenient problem of operation when leading to the emery wheel of polishing to change.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a grinding device is used in machining, includes base, motor and control switch, the right side top fixed mounting of base has the motor, and fixed mounting has the wheel of polishing on the rotation output shaft of motor, protection machanism is installed to the right side top of base, and protection machanism's internally mounted has first backup pad, first slide rail, connecting rod and protection casing, moving mechanism is installed to the left side top of base, and moving mechanism's internally mounted has second slide rail and movable plate, fixture is installed on the right side of movable plate, the front of base has fixedly installed control switch.

Preferably, protection machanism includes first backup pad, first slide rail, leads to groove, connecting rod, clamp plate, protection casing and spring, first backup pad welded fastening is in the top position of base, and first backup pad cover establishes the outside that the motor rotated the output shaft, first slide rail has been seted up to the top inside of first backup pad, and the inside of first slide rail has seted up and has led to the groove, the intermediate position that leads to the groove is inserted and is equipped with the connecting rod, and the right side welded fastening of connecting rod has the clamp plate, the left side welded fastening of connecting rod has the protection casing, the right-hand member outside cover of connecting rod is equipped with the spring, the appearance of protection casing is semi-circular, the protection casing cover is established in.

Preferably, the protection casing passes through the connecting rod and leads to groove and first backup pad sliding connection, the even welded fastening in right side that leads to the groove has tooth, the even welded fastening in left side of clamp plate has tooth, the one end pressure of spring is held on the protection casing, the other end pressure of spring is held in the left side that leads to the groove, the protection casing passes through the spring and leads to groove elastic telescopic connection.

Preferably, the moving mechanism comprises a second slide rail, a moving plate, a first threaded sleeve, a first screw rod, a limiting top plate, a second support plate, a rotating disc, a second threaded sleeve and a second screw rod, the second slide rail is arranged at the top of the base, the moving plate is inserted into the second slide rail, the first threaded sleeve is embedded at the position below the moving plate, the first screw rod is inserted into the first threaded sleeve, the limiting top plate is arranged at the position right below the polishing wheel, the bottom of the limiting top plate is welded and fixed on the base, the second support plate is welded and fixed at the left side of the top of the base, the rotating disc is hinged to one side of the second support plate, the second threaded sleeve is fixedly embedded at the middle position of the rotating disc, the second screw rod is inserted into the second threaded sleeve, threads assembled on the inner wall of the first threaded sleeve are matched with threads assembled on the outer wall of the first screw rod, the first screw rod is in threaded rotary connection with the first thread sleeve through meshing of threads.

Preferably, the movable plate is connected with the base in a sliding mode through a second sliding rail, the rotating disc is connected with the second supporting plate in a rotating mode, threads assembled on the inner wall of the second threaded sleeve are matched with threads assembled on the outer wall of the second screw rod, the second screw rod is connected with the second threaded sleeve in a rotating mode through meshing of the threads, and one end of the second screw rod is fixed on the movable plate in a welding mode.

Preferably, the clamping mechanism comprises supporting seats, limiting rods, clamping plates and reverse screws, two groups of supporting seats are symmetrically welded and fixed on the right side of the movable plate, the limiting rods are symmetrically welded between the two groups of supporting seats, the clamping plates are symmetrically sleeved on the front side and the rear side of each limiting rod, the reverse screws are inserted in the middle positions of the two groups of clamping plates, the two groups of clamping plates are respectively in sliding connection with the limiting rods, threaded holes are correspondingly formed in the middle positions of the two groups of clamping plates, the reverse screws are inserted in the threaded holes formed in the two groups of clamping plates, the threaded holes formed in the clamping plates are matched with threads assembled on the outer sides of the reverse screws, the two groups of clamping plates are respectively in threaded rotary connection with the reverse screws through threaded engagement, the front ends and the rear ends of the reverse screws are respectively inserted in the two groups, the screw thread direction of the outside assembly of both ends is opposite around the reverse screw rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. set up protection casing and pass through connecting rod and first backup pad sliding connection among the protection machanism, make the device can rise its rebound through the slip protection casing in the use, make the wheel of polishing be convenient for expose out, be favorable to improving the device to the convenience that the wheel was changed of polishing, and simultaneously, it carries out elastic support to the protection casing to set up the spring, make the tooth of clamp plate one side assembly can the block in leading to the tooth of groove right side assembly, be favorable to the protection casing automatic fixation after removing, the simple operation.

2. The first screw rod in the moving mechanism is matched with the limiting top plate to limit and support, so that the device can limit the moving range of the moving plate in advance by rotating the first screw rod when in use, the accuracy of the device is effectively guaranteed when the device is polished, excessive polishing is prevented, meanwhile, the second screw sleeve is arranged to be in threaded connection with the second screw rod, the second screw rod can be driven to move by rotating the second screw sleeve, the device is effectively enabled to move smoothly when the workpiece is polished, and the working stability of the device is greatly enhanced.

3. Through setting up two sets of splint and being the symmetrical cover and establish the front and back outside at reverse screw rod among the fixture, and the screw thread opposite direction of the assembly in both ends outside around the reverse screw rod for reverse screw rod is two sets of when rotating splint are the opposite direction removal, are convenient for carry out the centre gripping to the work piece, the effectual device that has improved the fixed convenience of work piece centre gripping.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is a schematic side view of the clamping mechanism of the present invention.

In the figure: 1. a base; 2. a motor; 3. grinding the wheel; 41. a first support plate; 42. a first slide rail; 43. a through groove; 44. a connecting rod; 45. pressing a plate; 46. a protective cover; 47. a spring; 51. a second slide rail; 52. moving the plate; 53. a first threaded sleeve; 54. a first screw; 55. a limiting top plate; 56. a second support plate; 57. rotating the disc; 58. a second thread insert; 59. a second screw; 61. a supporting seat; 62. a restraining bar; 63. a splint; 64. a reverse screw; 7. and controlling the switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

a grinding device for machining a mechanical workpiece comprises a base 1, a motor 2 and a control switch 7, wherein the motor 2 is fixedly installed above the right side of the base 1, a grinding wheel 3 is fixedly installed on a rotating output shaft of the motor 2, a protection mechanism is installed above the right side of the base 1, a first supporting plate 41, a first sliding rail 42, a connecting rod 44 and a protective cover 46 are installed inside the protection mechanism, the protection mechanism comprises a first supporting plate 41, a first sliding rail 42, a through groove 43, a connecting rod 44, a pressing plate 45, a protective cover 46 and a spring 47, the first supporting plate 41 is fixedly welded on the upper portion of the base 1, the first supporting plate 41 is sleeved on the outer side of the rotating output shaft of the motor 2, the first sliding rail 42 is arranged inside the upper portion of the first supporting plate 41, the through groove 43 is arranged inside the first sliding rail 42, the connecting rod 44 is inserted in the middle position of the through groove 43, and, connecting rod 44's left side welded fastening has protection casing 46, connecting rod 44's right-hand member outside cover is equipped with spring 47, protection casing 46's appearance is semi-circular, protection casing 46 covers the outside of establishing at grinding wheel 3, in operation, establish through protection casing 46 cover and protect grinding wheel 3 in grinding wheel 3's the outside, the effectual staff that prevents contacts with grinding wheel 3 when the operation of polishing, be convenient for improve the device's safety in utilization, because grinding wheel 3's appearance is semi-circular, and the opening is down, the effectual spark that produces when polishing guides, make the spark scatter downwards, prevent that the spark from openly splashing the staff on one's body, it is safer during the use.

The protective cover 46 is connected with the first supporting plate 41 in a sliding mode through the connecting rod 44 and the through groove 43, teeth are evenly welded and fixed on the right side of the through groove 43, teeth are evenly welded and fixed on the left side of the pressing plate 45, one end of the spring 47 is pressed on the protective cover 46, the other end of the spring 47 is pressed on the left side of the through groove 43, the protective cover 46 is elastically and telescopically connected with the through groove 43 through the spring 47, the protective cover 46 is connected with the connecting rod 44 through the connecting rod 44, the protective cover 46 can lift through up and down movement, the grinding wheel 3 wrapped inside the protective cover 46 is convenient to replace, meanwhile, when force is not applied to the protective cover 46, under the elastic supporting action of the spring 47, the protective cover 46 keeps the trend of moving rightwards, the connecting rod 44 drives the pressing plate 45 to be attached to the right side of the through groove 43, under the clamping action of the teeth, the position of the protective, the operation is convenient.

A moving mechanism is arranged above the left side of the base 1, a second sliding rail 51 and a moving plate 52 are arranged in the moving mechanism, the moving mechanism comprises a second sliding rail 51, a moving plate 52, a first threaded sleeve 53, a first screw 54, a limit top plate 55, a second supporting plate 56, a rotating disc 57, a second threaded sleeve 58 and a second screw 59, the second sliding rail 51 is arranged at the top of the base 1, the moving plate 52 is inserted in the second sliding rail 51, the first threaded sleeve 53 is embedded below the moving plate 52, the first screw 54 is inserted in the first threaded sleeve 53, the limit top plate 55 is arranged right below the grinding wheel 3, the bottom of the limit top plate 55 is welded and fixed on the base 1, the second supporting plate 56 is welded and fixed at the left side of the top of the base 1, a rotating disc 57 is hinged at one side of the second supporting plate 56, the second threaded sleeve 58 is embedded at the middle position of the rotating disc 57, and the inside of second swivel nut 58 is inserted and is equipped with second screw rod 59, the screw thread of assembling on the inner wall of first swivel nut 53 and the screw thread looks adaptation of assembling on the outer wall of first screw rod 54, first screw rod 54 passes through meshing and the screw thread swivelling joint of first swivel nut 53 of screw thread, in operation, through the support of first screw rod 54 cooperation spacing roof 55, make the device can adjust the polishing degree to the work piece, the effectual work piece that prevents is operated inaccurately when polishing, lead to the work piece to polish excessively, the effectual stability accurate nature that ensures the device polishing work, only need rotate first screw rod 54 during the use, under the meshing effect of screw thread, first screw rod 54 is at the inside removal of first swivel nut 53, can adjust the position of first screw rod 54, and convenient operation is convenient.

The movable plate 52 is connected with the base 1 in a sliding mode through the second sliding rail 51, the rotating disc 57 is connected with the second supporting plate 56 in a rotating mode, threads assembled on the inner wall of the second threaded sleeve 58 are matched with threads assembled on the outer wall of the second screw rod 59, the second screw rod 59 is connected with the second threaded sleeve 58 in a threaded rotating mode through threaded meshing, one end of the second screw rod 59 is fixed on the movable plate 52 in a welding mode, in the working process, the second threaded sleeve 58 is driven to rotate through rotating the rotating disc 57, the second screw rod 59 moves inside the second threaded sleeve 58 under the meshing effect of the threads, the movable plate 52 is driven, workpieces clamped on the device move smoothly, and the working stability of the device is effectively improved.

The right side of the moving plate 52 is provided with a clamping mechanism, the front side of the base 1 is fixedly provided with a control switch 7, the clamping mechanism comprises supporting seats 61, limiting rods 62, clamping plates 63 and reverse screws 64, two groups of supporting seats 61 are symmetrically welded and fixed on the right side of the moving plate 52, the limiting rods 62 are symmetrically welded between the two groups of supporting seats 61, the clamping plates 63 are symmetrically sleeved on the front side and the rear side of each limiting rod 62, the reverse screws 64 are inserted in the middle positions of the two groups of clamping plates 63, the two groups of clamping plates 63 are respectively connected with the limiting rods 62 in a sliding mode, threaded holes are correspondingly formed in the middle positions of the two groups of clamping plates 63, the reverse screws 64 are inserted in the threaded holes formed in the two groups of clamping plates 63, the threaded holes formed in the clamping plates 63 are matched with threads assembled on the outer sides of the reverse screws 64, the two groups of clamping plates, reverse screw rod 64 rotates with supporting seat 61 to be connected, the screw thread opposite direction of both ends outside assembly around reverse screw rod 64, in use, through rotating reverse screw rod 64, under the meshing effect of screw thread, make two sets of splint 63 move on reverse screw rod 64, because the screw thread opposite direction in both ends outside around reverse screw rod 64, can be so that reverse screw rod 64 when rotating, two sets of splint 63 simultaneous opposite direction move, it will wait to process the work piece centre gripping fixedly to be convenient for through splint 63, and easy operation is convenient, make when polishing processing, the staff need not to hold the work piece, be favorable to promoting the device's safety in utilization.

The working principle is as follows: when the device works, a worker connects the device with an external power supply through a wire, so that the external power supply provides electric power support for the device, and then the worker can control the device to be powered on and started by pressing the control switch 7;

during operation, a worker places a mechanical workpiece to be machined and polished between the two groups of clamping plates 63, then rotates the reverse screw 64, the two groups of clamping plates 63 move oppositely to clamp and fix the workpiece under the meshing action of the threads, the worker adjusts the position of the first screw 54 according to the length of the position to be polished, so that the right end of the first screw 54 is aligned right below the useful position of the workpiece, when the workpiece grinding machine is used, the worker only needs to rotate the first screw 54, and under the meshing action of the threads, the first screw 54 rotates and moves inside the first screw sleeve 53, so that the position of the first screw 54 can be adjusted;

when the device works, an operator presses the control switch 7 to electrify and start the motor 2 on the device, the motor 2 drives the polishing wheel 3 fixed on a rotating output shaft of the device to rotate after being electrified, then the operator rotates the rotating disc 57 to drive the second threaded sleeve 58 to rotate, under the meshing action of threads, the second screw 59 moves inside the second threaded sleeve 58 to push the moving plate 52, so that a workpiece fixed between the two groups of clamping plates 63 is movably attached to the polishing wheel 3 to polish the workpiece, and when the right end of the first screw 54 moves and is attached to the limiting top plate 55, the polishing is finished;

during operation, when grinding wheel 3 needs to be replaced, the worker presses shield 46 to the right, so that connecting rod 44 pushes pressure plate 45 to move to the right, teeth assembled on the left side of pressure plate 45 are separated from teeth assembled on the right side of through groove 43, and then worker slides shield 46 upwards to lift shield 46.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a grinding device is used in machining, includes base (1), motor (2) and control switch (7), its characterized in that: the right side top fixed mounting of base (1) has motor (2), and fixed mounting has grinding wheel (3) on the rotation output shaft of motor (2), protection machanism is installed to the right side top of base (1), and protection machanism's internally mounted has first backup pad (41), first slide rail (42), connecting rod (44) and protection casing (46), moving mechanism is installed to the left side top of base (1), and moving mechanism's internally mounted has second slide rail (51) and movable plate (52), fixture is installed on the right side of movable plate (52), control switch (7) have been installed to the front of base (1) fixedly.

2. A grinding apparatus for machining a mechanical workpiece according to claim 1, characterized in that: the protection mechanism comprises a first supporting plate (41), a first sliding rail (42), a through groove (43), a connecting rod (44), a pressing plate (45), a protection cover (46) and a spring (47), the first supporting plate (41) is welded and fixed at the upper position of the base (1), and the first supporting plate (41) is sleeved outside the rotating output shaft of the motor (2), a first slide rail (42) is arranged inside the upper part of the first supporting plate (41), a through groove (43) is arranged inside the first sliding rail (42), a connecting rod (44) is inserted in the middle of the through groove (43), a pressure plate (45) is welded and fixed on the right side of the connecting rod (44), a protective cover (46) is welded and fixed on the left side of the connecting rod (44), the right-end outer side of the connecting rod (44) is sleeved with a spring (47), the protective cover (46) is semicircular in shape, and the protective cover (46) covers the outer side of the grinding wheel (3).

3. A grinding apparatus for machining a mechanical workpiece according to claim 2, characterized in that: protection casing (46) are through connecting rod (44) and logical groove (43) and first backup pad (41) sliding connection, the even welded fastening in right side that leads to groove (43) has tooth, the even welded fastening in left side of clamp plate (45) has tooth, the one end pressure of spring (47) is held on protection casing (46), the other end pressure of spring (47) is held in the left side that leads to groove (43), protection casing (46) are through spring (47) and logical groove (43) elasticity telescopic connection.

4. A grinding apparatus for machining a mechanical workpiece according to claim 1, characterized in that: the moving mechanism comprises a second sliding rail (51), a moving plate (52), a first threaded sleeve (53), a first screw rod (54), a limiting top plate (55), a second supporting plate (56), a rotating disc (57), a second threaded sleeve (58) and a second screw rod (59), the second sliding rail (51) is arranged at the top of the base (1), the moving plate (52) is inserted into the second sliding rail (51), the first threaded sleeve (53) is embedded below the moving plate (52), the first screw rod (54) is inserted into the first threaded sleeve (53), the limiting top plate (55) is installed right below the polishing wheel (3), the bottom of the limiting top plate (55) is welded and fixed on the base (1), the second supporting plate (56) is welded and fixed at the left side of the top of the base (1), and the rotating disc (57) is hinged to one side of the second supporting plate (56), a second threaded sleeve (58) is fixedly embedded in the middle of the rotating disc (57), a second screw rod (59) is inserted into the second threaded sleeve (58), threads assembled on the inner wall of the first threaded sleeve (53) are matched with threads assembled on the outer wall of the first screw rod (54), and the first screw rod (54) is in threaded rotary connection with the first threaded sleeve (53) through threaded meshing.

5. A grinding device for machining of a mechanical workpiece according to claim 4, characterized in that: the movable plate (52) is connected with the base (1) in a sliding mode through a second sliding rail (51), the rotating disc (57) is connected with the second supporting plate (56) in a rotating mode, threads assembled on the inner wall of the second threaded sleeve (58) are matched with threads assembled on the outer wall of the second screw rod (59), the second screw rod (59) is connected with the second threaded sleeve (58) in a threaded rotating mode through meshing of the threads, and one end of the second screw rod (59) is fixed on the movable plate (52) in a welding mode.

6. A grinding apparatus for machining a mechanical workpiece according to claim 1, characterized in that: the clamping mechanism comprises supporting seats (61), limiting rods (62), clamping plates (63) and reverse screw rods (64), wherein the two groups of supporting seats (61) are symmetrically welded and fixed on the right side of the moving plate (52), the limiting rods (62) are symmetrically welded between the two groups of supporting seats (61), the clamping plates (63) are symmetrically sleeved on the front side and the rear side of the limiting rods (62), the reverse screw rods (64) are inserted in the middle positions of the two groups of clamping plates (63), the two groups of clamping plates (63) are respectively in sliding connection with the limiting rods (62), threaded holes are correspondingly formed in the middle positions of the two groups of clamping plates (63), the reverse screw rods (64) are inserted in threaded holes formed in the two groups of clamping plates (63), the threaded holes formed in the clamping plates (63) are matched with threads assembled on the outer sides of the reverse screw rods (64), and the two groups of clamping plates (63) are respectively in threaded rotation connection with the reverse screw rods, the front end and the rear end of the reverse screw rod (64) are respectively inserted into the two groups of supporting seats (61), the reverse screw rod (64) is rotatably connected with the supporting seats (61), and the thread directions of the assembly of the outer sides of the front end and the rear end of the reverse screw rod (64) are opposite.