CN215617111U

CN215617111U - Grinding head low-position adjusting structure for manual grinding machine

Info

Publication number: CN215617111U
Application number: CN202121396447.7U
Authority: CN
Inventors: 李叙香
Original assignee: Hefei Lishan Technology Co ltd
Current assignee: Hefei Lishan Technology Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-01-25
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a grinding head low-position adjusting structure for a manual grinding machine, and relates to the technical field of machine tool machining. The grinding machine comprises a rack, wherein a grinding table is movably arranged on the rack, a frame is fixedly arranged on one side of the rack, a mounting groove is formed in the rack, a bearing plate is movably arranged in the frame, a lifting assembly used for driving the bearing plate to move up and down is arranged in the mounting groove, a base with an opening formed in one side is fixedly arranged on the bearing plate, a mounting plate is movably arranged in the base, and a motor is arranged at one end, close to the opening of the base, of the mounting plate. According to the utility model, a user can roughly lift the part on the bearing plate for the first time through the design of the lifting component in the mounting groove, so that the grinding head can be conveniently and quickly lowered to an approximate position by the user, and a workpiece to be ground is firstly placed and fixedly placed on the grinding table when the grinding head is used.

Description

Grinding head low-position adjusting structure for manual grinding machine

Technical Field

The utility model relates to the technical field of machine tool machining equipment, in particular to a grinding head low-position adjusting structure for a manual grinding machine.

Background

Grinding machines are machine tools for grinding surfaces of workpieces by using grinding tools, most grinding machines grind the workpieces by using grinding wheels rotating at high speed, so that the workpieces are ground, the requirements on benefits are higher and higher along with the high-speed development of market economy, the cost is controlled more and more strictly, and a plurality of defects of the existing grinding machines are exposed.

For example, the mounting position of the lifting of the control grinding head of the conventional grinding machine is too high, so that a user needs to stretch his hand to control the grinding head, the grinding time of the grinding machine is increased, the grinding head cannot be controlled to descend and ascend at a low speed twice, the grinding precision of the grinding machine is low, burrs on some workpieces cannot be treated, and the yield of the workpieces is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems in the prior art, the utility model provides a grinding head low-position adjusting structure for a manual grinding machine.

The utility model specifically adopts the following technical scheme for realizing the purpose:

a grinding head low-level adjusting structure for a manual grinding machine comprises a rack, wherein a grinding table is movably arranged on the rack, a frame is fixedly arranged on one side of the grinding table, a mounting groove is formed in the rack, a bearing plate is movably arranged in the frame, a lifting assembly used for driving the bearing plate to move up and down is arranged in the mounting groove, a base with an opening formed in one side is fixedly arranged on the bearing plate, a mounting plate is movably arranged in the base, a motor is mounted at one end, close to the opening of the base, of the mounting plate, a grinding wheel used for grinding is mounted on an output shaft of the motor, a fine-tooth lead screw is rotatably mounted in the base through a bearing, one end, far away from the bearing, of the fine-tooth lead screw penetrates through the top of the base, the fine-tooth lead screw is in threaded connection with one end, close to the base, of the mounting plate, and a worm wheel is fixedly arranged at one end, close to the outside the base, the base is provided with a fixing block, a first worm is rotatably arranged in the fixing block through a bearing, and the first worm is meshed with the first worm wheel.

Further, the mounting plate is T-shaped.

Furthermore, the lifting assembly comprises a limiting hole formed in the rack, a push rod is movably arranged in the limiting hole and connected with the bearing plate, tooth grooves arranged along the length direction of the push rod are formed in the push rod, gears are arranged in the mounting grooves and meshed with the tooth grooves, and a driving assembly used for driving the gears to rotate is arranged in the mounting grooves.

Further, drive assembly is including setting up worm two in the mounting groove, the one end of worm two is passed through the bearing and is rotated and alternate one side of frame, the mounting groove internal stability has branch, the tip of branch is passed through the bearing and is rotated and install worm wheel two, worm wheel two with mesh mutually between the worm two, the awl tooth one has set firmly on the worm wheel two, the mounting groove internal stability has the installation piece, the gear passes through the bearing and rotates the installation on the installation piece, the other end fixedly connected with of gear with awl tooth one meshes mutually and vertically awl tooth two.

Furthermore, the frame includes the casing of activity setting in the platform bottom of polishing, the bottom of casing sets firmly the extension board, all threaded connection has the bracing piece that is used for fixing its position all around of extension board.

Further, the spout has all been seted up to the both sides of frame inner wall, the both sides of loading board all are provided with the pulley, the pulley roll connection be in the spout.

The utility model has the following beneficial effects:

1. the utility model can lead the part on the bearing plate to be roughly lifted for the first time through the design of the lifting component in the mounting groove, so that the grinding head can be conveniently and quickly lowered to the approximate position by a user, when in use, the workpiece to be ground is placed and fixed on the grinding table, then the lifting component in the mounting groove is rotated anticlockwise to drive the bearing plate in the frame to move downwards, and the bearing plate can drive other parts in the base to move downwards while moving downwards, when the lifting component is lowered to the approximate position, the lowered position can be locked through self-locking of the lifting component, then the worm I in the fixing block on the base is rotated to drive the worm wheel I fixed on the fine thread rod to rotate, and when the worm wheel I rotates, the fine thread rod can be driven to rotate, because one end of the fine-tooth screw rod is fixed in the base through the bearing, the fine-tooth screw rod can only rotate in situ, and because the fine-tooth screw rod is in threaded fit with the mounting plate, the fine-tooth screw rod is not moved, the mounting plate can only move downwards due to the limit of the opening of the base, the mounting plate can drive the motor and the grinding wheel on the mounting plate to move downwards while moving downwards, the fine-tooth screw rod can relatively improve the descending precision of the fine-tooth screw rod due to the dense threads on the fine-tooth screw rod, the motor can be opened after the height is adjusted to drive the grinding wheel to rotate, and the grinding operation can be completed.

Drawings

FIG. 1 is a schematic diagram of the raised structure of the present invention;

FIG. 2 is a schematic perspective view of the present invention after descent;

FIG. 3 is an exploded view of the lift assembly and drive assembly of the present invention;

FIG. 4 is an exploded view of a portion of the structure of the present invention;

FIG. 5 is a front view of the present invention;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5 in accordance with the present invention;

reference numerals: 1. a frame; 101. a housing; 102. a support plate; 103. a support bar; 2. a polishing table; 3. a frame; 4. mounting grooves; 5. a carrier plate; 6. a lifting assembly; 601. a limiting hole; 602. a top rod; 603. a tooth socket; 604. a gear; 7. a base; 8. mounting a plate; 9. a motor; 10. a grinding wheel; 11. a fine-tooth screw rod; 12. a first worm wheel; 13. a fixed block; 14. a first worm; 15. a drive assembly; 1501. a second worm; 1502. a strut; 1503. a second worm gear; 1504. a first bevel gear; 1505. mounting blocks; 1506. a second bevel gear; 16. a chute; 17. a pulley.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-6, a grinding head low-position adjusting structure for a manual grinding machine according to an embodiment of the present invention includes a frame 1, a grinding table 2 is movably disposed on the frame 1, a frame 3 is fixedly disposed on one side of the grinding table 2 of the frame 1, a mounting groove 4 is formed in the frame 1, a bearing plate 5 is movably disposed in the frame 3, a lifting assembly 6 for driving the bearing plate 5 to move up and down is disposed in the mounting groove 4, a base 7 with an opening formed on one side is fixedly disposed on the bearing plate 5, a mounting plate 8 is movably disposed in the base 7, a motor 9 is disposed at an end of the mounting plate 8 close to the opening of the base 7, a grinding wheel 10 for grinding is mounted on an output shaft of the motor 9, a fine-thread screw 11 is rotatably mounted in the base 7 through a bearing, an end of the fine-thread screw 11 far from the bearing penetrates through a top of the base 7, and the fine-thread screw 11 is connected with an end of the mounting plate 8 close to the base 7, the end of the fine thread screw rod 11 close to the outside of the base 7 is fixedly provided with a worm wheel 12, the base 7 is provided with a fixed block 13, the fixed block 13 is internally provided with a worm 14 in a rotating way through a bearing, the worm 14 is meshed with the worm wheel 12, in conclusion, a user can roughly lift the part on the bearing plate 5 for the first time through the design of the lifting component 6 in the mounting groove 4, so that the user can conveniently and quickly lower the grinding head to an approximate position, when in use, the workpiece to be ground is firstly placed and fixed on the grinding table 2, then the lifting component 6 in the mounting groove 4 is rotated anticlockwise to drive the bearing plate 5 in the frame 3 to move downwards, and the bearing plate 5 can drive other parts in the base 7 to move downwards while moving downwards, and when the workpiece is lowered to the approximate position, the descending position of the workpiece can be locked through the self-locking of the lifting component 6, then, a worm 14 in a fixed block 13 on the base 7 is rotated to drive a worm wheel 12 fixed on a fine-tooth screw rod 11 to rotate, the worm wheel 12 rotates and simultaneously drives the fine-tooth screw rod 11 to rotate, because one end of the fine-tooth screw rod 11 is fixed in the base 7 through a bearing, the fine-tooth screw rod 11 can only rotate on site, because the fine-tooth screw rod 11 is in threaded fit with the mounting plate 8, the fine-tooth screw rod 11 is not moved, the mounting plate 8 can only move downwards because of the limit of the opening of the base 7, the mounting plate 8 can simultaneously move downwards and simultaneously drive the motor 9 and the grinding wheel 10 on the mounting plate 8 to move downwards because the threads on the fine-tooth screw rod 11 are dense, the descending precision of the fine-tooth screw rod can be relatively improved, and after the height is adjusted, the motor 9 can be opened to drive the grinding wheel 10 to rotate, so that the grinding work can be completed, because the equipment has two sections of adjusting assemblies capable of controlling the grinding head to descend, the equipment can be convenient for a user to extend the hand, and meanwhile, the grinding precision of the equipment can be effectively improved.

As shown in fig. 4, in some embodiments, the mounting plate 8 is T-shaped, and the mounting plate 8 is designed to be T-shaped, so that the motor 9 can have enough mounting space, the mounting plate 8 can be limited in the opening of the base 7, the guide rod is fixedly arranged at one end of the base 7, and one end of the mounting plate 8, which is far away from the fine-tooth screw rod 11, is sleeved on the guide rod, so that the mounting plate 8 can be limited, and one end of the mounting plate 8 can be supported.

As shown in fig. 3 and 6, in some embodiments, the lifting assembly 6 includes a limiting hole 601 formed on the frame 1, a top rod 602 is movably disposed in the limiting hole 601, the top rod 602 is connected to the bearing plate 5, a tooth space 603 arranged along the length direction of the top rod 602 is formed on the top rod 602, a gear 604 disposed in the mounting groove 4 is rotatably mounted in the mounting groove 4, the gear 604 is engaged with the tooth space 603, a driving assembly 15 for driving the gear 604 to rotate is disposed in the mounting groove 4, a user can rapidly move the grinding head to perform a first lifting operation by designing the lifting assembly 6, and because the gear 604 is engaged with the tooth space 603 and one end of the limiting hole 601 is communicated with the mounting groove 4, the top rod 602 can be limited to only perform lifting and lowering operations, when a lifting operation is required, the user can drive the top rod 602 to perform a lifting displacement in the limiting hole 601 by rotating the gear 604 counterclockwise, when the top rod 602 rises, the top-mounted bearing plate 5 is driven to rise, and if the top rod needs to descend, the gear 604 only needs to be rotated clockwise, so that the purpose of quickly lifting the grinding head can be finally achieved.

As shown in fig. 3, in some embodiments, the driving assembly 15 includes a second worm 1501 disposed in the mounting groove 4, one end of the second worm 1501 is rotatably inserted into one side of the rack 1 through a bearing, a supporting rod 1502 is fixedly disposed in the mounting groove 4, a second worm 1503 is rotatably disposed at an end of the supporting rod 1502 through a bearing, the second worm 1503 is engaged with the second worm 1501, a first bevel gear 1504 is fixedly disposed on the second worm 1503, a mounting block 1505 is fixedly disposed in the mounting groove 4, the gear 604 is rotatably disposed on the mounting block 1505 through a bearing, a second bevel gear 1506 engaged with the first bevel gear 1504 and perpendicular to the first bevel gear is fixedly connected to the other end of the gear 604, a user can push the gear 604 to rotate through the design of the driving assembly 15, in use, the second worm 1501 can rotate counterclockwise to drive the second worm 1503 and the first bevel gear 1504 on the supporting rod 1502 to rotate clockwise, and the second worm 1503 and the first bevel gear 1504 rotate clockwise, can drive gear 604 and two 1506 of awl tooth on the installation piece 1505 and carry out anticlockwise rotation, gear 604 can drive ejector pin 602 rebound when carrying out anticlockwise rotation, and if need descend the operation, only need through clockwise rotation two 1501 of worm can, and two 1501 of worm are close to the outer one end of frame 1 and install the hand wheel, make it can the person of facilitating the use need not stretch the hand to the eminence and operate the equipment, thereby finally can realize the purpose that the person of facilitating the use used this equipment.

As shown in fig. 1, in some embodiments, the machine frame 1 includes a machine shell 101 movably disposed at the bottom of the polishing table 2, a supporting plate 102 is fixedly disposed at the bottom of the machine shell 101, and supporting rods 103 for fixing the position of the supporting plate 102 are connected to the periphery of the supporting plate 102 by threads, because universal wheels are mounted at corners of the bottom of the supporting plate 102, the equipment can be displaced according to the requirement of a user, when the equipment needs to be used at a fixed position, the supporting rod 103 can be rotated by a wrench, so that one end of the supporting rod 103 is close to the ground, contact friction with the ground is increased, and thus the purpose of fixing the position can be achieved.

As shown in fig. 2 and 5, in some embodiments, sliding grooves 16 are formed in both sides of the inner wall of the frame 3, pulleys 17 are arranged on both sides of the bearing plate 5, the pulleys 17 are connected in the sliding grooves 16 in a rolling manner, when in use, the sliding grooves 16 formed in the frame 3 and the pulleys 17 mounted on the bearing plate 5 can effectively limit the bearing plate 5, so that the bearing plate can only move up or down, and the pulleys 17 can effectively reduce friction while limiting the position, so that the bearing plate 5 can move up and down more smoothly.

Claims

1. The utility model provides a manual grinding machine is with bistrique low level adjustment structure, its characterized in that, includes frame (1), the activity is provided with platform (2) of polishing on frame (1), one side of frame (1) has set firmly frame (3), seted up mounting groove (4) in frame (1), frame (3) internalization is provided with loading board (5), be provided with in mounting groove (4) and be used for the drive lifting unit (6) that loading board (5) reciprocated, set firmly one side on loading board (5) and seted up open-ended base (7), base (7) internalization is provided with mounting panel (8), motor (9) are installed to mounting panel (8) are close to the outer one end of base (7) opening, install emery wheel (10) that are used for polishing on the output shaft of motor (9), install fine tooth lead screw (11) through the bearing rotation in base (7), one end that the bearing was kept away from in fine tooth lead screw (11) run through with the top of base (7), fine tooth lead screw (11) with mounting panel (8) are close to one end threaded connection in base (7), fine tooth lead screw (11) are close to the outer one end of base (7) and have set firmly worm wheel (12), install fixed block (13) on base (7), install worm (14) through the bearing rotation in fixed block (13), worm (14) with mesh between the worm wheel (12).

2. The grinding head low-position adjustment structure for the manual grinding machine according to claim 1, wherein the mounting plate (8) is T-shaped.

3. The grinding head low-position adjusting structure for the manual grinding machine is characterized in that the lifting assembly (6) comprises a limiting hole (601) formed in the machine frame (1), a top rod (602) is movably arranged in the limiting hole (601), the top rod (602) is connected with the bearing plate (5), tooth grooves (603) distributed along the length direction of the top rod (602) are formed in the top rod (602), a gear (604) is arranged in the mounting groove (4), the gear (604) is meshed with the tooth grooves (603), and a driving assembly (15) used for driving the gear (604) to rotate is arranged in the mounting groove (4).

4. The grinding head low-position adjusting structure for the manual grinding machine according to claim 3, the driving component (15) comprises a second worm (1501) arranged in the mounting groove (4), one end of the second worm (1501) is rotatably inserted into one side of the rack (1) through a bearing, a support rod (1502) is fixedly arranged in the mounting groove (4), a second worm wheel (1503) is rotatably arranged at the end part of the support rod (1502) through a bearing, the second worm wheel (1503) is meshed with the second worm (1501), a first conical tooth (1504) is fixedly arranged on the second worm wheel (1503), a mounting block (1505) is fixedly arranged in the mounting groove (4), the gear (604) is rotatably mounted on the mounting block (1505) through a bearing, the other end of the gear (604) is fixedly connected with a second bevel gear (1506) which is meshed with the first bevel gear (1504) and is vertical to the first bevel gear.

5. The grinding head low-position adjusting structure for the manual grinding machine according to claim 4 is characterized in that the frame (1) comprises a casing (101) movably arranged at the bottom of the grinding table (2), a support plate (102) is fixedly arranged at the bottom of the casing (101), and support rods (103) for fixing the position of the support plate (102) are in threaded connection with the periphery of the support plate (102).

6. The grinding head low-position adjusting structure for the manual grinding machine is characterized in that sliding grooves (16) are formed in two sides of the inner wall of the frame (3), pulleys (17) are arranged on two sides of the bearing plate (5), and the pulleys (17) are connected in the sliding grooves (16) in a rolling mode.