CN218312693U

CN218312693U - Automatic accurate grinding device for surface of precise hardware

Info

Publication number: CN218312693U
Application number: CN202221924120.7U
Authority: CN
Inventors: 曾意华; 王爱炎; 伍达明
Original assignee: Shenzhen Jinghong Mould Co ltd
Current assignee: Shenzhen Jinghong Mould Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2023-01-17
Anticipated expiration: 2032-07-25

Abstract

The utility model belongs to the technical field of hardware polishing, and discloses an automatic accurate grinding device for the surface of a precise hardware, which comprises a polishing mechanism and a storage platform which are arranged from top to bottom in sequence; the polishing mechanism comprises a rotatable gear ring, a lead screw motor and a base are radially fixed inside the gear ring, a rotatable lead screw and a fixed guide rod are installed between the lead screw motor and the base, a sliding seat is arranged on the lead screw in a spiral sleeve mode, and the guide rod penetrates through the sliding seat in a sliding mode; the bottom of the sliding seat is fixedly provided with a rotating motor, and the output end of the rotating motor is fixedly connected with a fine grinding head. The utility model discloses set up automatic grinding machanism, the work piece that the operator can polish multiple shape outer wall on same device for example: the polishing size of the automatic polishing mechanism can be adjusted without stopping the machine; specifically, the automatic grinding mechanism is driven to rotate by the meshing of a driving gear.

Description

Automatic accurate grinding device for surface of precise hardware product

Technical Field

The utility model belongs to the technical field of the hardware products polishing, concretely relates to accurate hardware products surface automatic correct grinding device.

Background

The precision hardware refers in particular to hardware processing categories with higher precision requirements in the hardware industry, including precision plastic hardware, precision stamping hardware, precision turning hardware and the like, and is generally applied to precision instrument industries such as electronics, clocks, aviation and the like, so that stricter requirements are provided for each processing process of hardware products;

in the processing process of hardware, a polishing device is needed to meet the requirement of surface roughness, most of the traditional polishing devices can only polish the outer wall of a workpiece with a specific shape, and workers need to replace polishing mechanisms of the device or introduce devices with various polishing types for polishing operation; the traditional device needs a worker to manually operate the clamp before polishing, and when polishing workpieces with the same appearance and different sizes, the worker needs to stop and adjust the polishing size of the polishing mechanism, so that the defects of low processing efficiency, labor consumption and the like exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic correct grinding device in accurate hardware surface to solve the problem that above-mentioned background art provided.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an automatic device that grinds of accurate hardware surface which characterized in that: comprises a polishing mechanism and a storage table which are arranged from top to bottom in sequence;

the polishing mechanism comprises a rotatable gear ring, a lead screw motor and a base are radially fixed inside the gear ring, a rotatable lead screw and a fixed guide rod are installed between the lead screw motor and the base, a sliding seat is arranged on the lead screw in a spiral sleeve mode, and the guide rod penetrates through the sliding seat in a sliding mode;

the bottom of the sliding seat is fixedly provided with a rotating motor, and the output end of the rotating motor is fixedly connected with a fine grinding head.

Preferably, the fine grinding device further comprises an upper mounting platform, and the grinding mechanism is mounted on the upper mounting platform.

Preferably, a plurality of support rods are arranged at the bottom of the upper assembling platform in an array mode, and the object placing platform is connected with the support rods in a sliding mode.

Preferably, a lower loading platform is arranged below the object placing platform, and a lifting device is arranged between the object placing platform and the lower loading platform.

Preferably, the lifting device comprises a hydraulic cylinder, and the output end of the hydraulic cylinder is fixedly connected with the bottom of the object placing table and the top of the lower object placing table.

Preferably, the sharpening mechanism further comprises an inner ring coaxially fitted inside the toothed ring, and the lead screw is defined between the toothed ring and the inner ring.

Preferably, a plurality of support beams are fixedly connected between the toothed ring and the inner ring, and the support beams are positioned on one side of the screw rod.

Preferably, the fine grinding device further comprises an electric push rod, the telescopic end of the electric push rod penetrates through the inner ring in a sliding mode, a pressing plate is fixed at the output end of the electric push rod, and the workpiece to be ground is limited between the pressing plate and the object placing table.

Preferably, a driving motor is installed at the top of the upper loading platform, a driving gear is fixedly connected to the output end of the driving motor, and the driving gear is meshed with the gear ring.

Compared with the prior art, the utility model, following beneficial effect has:

(1) The utility model discloses set up automatic grinding machanism, the work piece that the operator can polish multiple shape outer wall on same device for example: the automatic polishing mechanism is provided with a circular outer wall and a polygonal outer wall, and the polishing size of the automatic polishing mechanism can be adjusted without stopping the machine;

specifically, the automatic polishing mechanism is driven to rotate by the meshing of a driving gear, and a screw motor drives a fine polishing head to move along a screw and a guide rod so as to adjust the polishing radius; in the process of polishing the circular outer wall, the polishing radius is kept unchanged; when the polygonal outer wall is polished, the lead screw motor continuously drives the fine grinding head to adjust the polishing radius, so that all positions of the surface of a workpiece are polished, and the whole process does not need manual operation.

(2) The utility model discloses automatic clamp with raising and lowering functions has been set up. When polishing operation is carried out, an operator places a workpiece on the object placing table, and the sucking disc driven by the electric push rod and the object placing table act together to automatically clamp the workpiece, wherein the object placing table can freely slide along the support rod and is driven by the hydraulic cylinder; because the electric push rod and the hydraulic cylinder both have a telescopic function, the mechanism can complete automatic lifting of the workpiece by adjusting the telescopic quantity of the output end while clamping the workpiece, and further adjust the longitudinal relative position of the workpiece and the fine grinding head.

Drawings

Fig. 1 is a schematic structural view of a first viewing angle of the present invention;

fig. 2 is a schematic structural view of a second viewing angle of the present invention;

fig. 3 is a schematic structural view of the automatic polishing mechanism of the present invention;

in the figure: 1-upper loading platform, 2-electric push rod, 3-driving motor, 4-pressing plate, 5-hydraulic cylinder, 6-lower loading platform, 7-object placing platform, 8-supporting rod, 9-fine grinding head, 10-rotating motor, 11-screw motor, 12-sliding seat, 13-base, 14-supporting beam, 15-driving gear, 16-toothed ring, 17-guide rod, 18-screw and 19-inner ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 2, the present invention provides the following technical solutions: an automatic accurate grinding device for the surface of a precise hardware product comprises a grinding mechanism and a storage table 7 which are sequentially arranged from top to bottom;

the grinding mechanism comprises a rotatable gear ring 16, a lead screw motor 11 and a base 13 are radially fixed in the gear ring 16, a rotatable lead screw 18 and a fixed guide rod 17 are installed between the lead screw motor 11 and the base 13, a sliding seat 12 is arranged on the lead screw 18 in a screwed manner, and the guide rod 17 penetrates through the sliding seat 12 in a sliding manner;

the bottom of the slide carriage 12 is fixed with a rotating motor 10, and the output end of the rotating motor 10 is fixedly connected with a fine grinding head 9.

The fine grinding device further comprises an upper loading platform 1, and the grinding mechanism is installed on the upper loading platform 1.

The screw motor, the base and other structures are preferably arranged on the gear ring according to the following scheme;

referring to figure 3, the grinding mechanism further comprises an inner ring 19 coaxially fitted inside the toothed ring 16, and the lead screw 18 is defined between the toothed ring 16 and the inner ring 19.

A plurality of support beams 14 are fixedly connected between the toothed ring 16 and the inner ring 19, and the support beams 14 are positioned at one side of the screw 18.

The present invention prefers three support beams 14 and are equally spaced along the inner wall of the toothed ring 16.

The driving motor 3 is installed at the top of the upper assembling carrier 1, the output end of the driving motor 3 is fixedly connected with a driving gear 15, and the driving gear 15 is meshed with a gear ring 16.

In summary, the working principle of the polishing mechanism when polishing the following workpieces is as follows:

1) Circular outer wall: an operator places a workpiece to be machined right below the toothed ring 16, the axial leads of the workpiece coincide, the lead screw motor 11 is started and drives the lead screw 18 to rotate, and the lead screw 18 spirally drives the sliding seat 12, so that the sliding seat 12, the rotating motor 10 at the bottom of the sliding seat 12 and the fine grinding head 9 move along the lead screw 18 and the guide rod 17, and the grinding radius of the grinding mechanism is adjusted; when the circular outer wall is polished, the polishing radius is unchanged, and the screw motor 11 stops driving when the fine grinding head 9 is adjusted to the proper polishing radius;

the driving motor 3 is started and drives the driving gear 15 to rotate, and the driving gear 15 is meshed with the driving gear ring 16 to rotate, so that the whole polishing mechanism is driven to rotate along the axial lead of the gear ring; the rotating motor 10 is started and drives the fine grinding head 9 on the output end to rotate, and at the moment, the grinding mechanism can grind all positions on the surface of the circular outer wall workpiece;

2) Polygonal outer wall: an operator places a workpiece right below the gear ring 16 (based on the driving principle disclosed in the embodiment), at this time, the length of a connecting line between the projection of the central axis of the gear ring 16 on the workpiece and one point on the outer wall of the workpiece is an actual radius, and as the actual radius corresponding to the polygon is continuously changed, the screw motor 10 continuously drives the finish grinding head 9 in the grinding process, so that the grinding radius of the mechanism is equal to the actual radius of the workpiece;

in a similar way, the driving gear 15 drives the polishing mechanism to rotate, and then all positions on the surface of the workpiece can be polished.

Referring to fig. 1, a plurality of support rods 8 are mounted at the bottom of the upper loading platform 1 in an array manner, and the object placing platform 7 is connected with the support rods 8 in a sliding manner.

A lower loading platform 6 is arranged below the object placing platform 7, and a lifting device is arranged between the object placing platform 7 and the lower loading platform 6.

Elevating gear includes

pneumatic cylinder

5, 5 output of pneumatic cylinder with put 7 bottoms fixed connection of thing platform and with lower dress microscope carrier 6 top fixed connection.

In order to realize the clamping to the work piece at the in-process of polishing, the utility model discloses following structure has been set up:

the fine grinding device further comprises an electric push rod 2, the telescopic end of the electric push rod 2 penetrates through the inner ring 19 in a sliding mode, a pressing plate 4 is fixed at the output end of the electric push rod 2, and a workpiece to be ground is limited between the pressing plate 4 and the object placing table 7.

Based on the above-mentioned open structure, the clamping and lifting principle of the fine grinding device is:

an operator places a workpiece to be machined on the top of the object placing table 7, and the electric push rod 2 is started and drives the pressing plate 4 at the bottom of the telescopic end to clamp the workpiece between the pressing plate 4 and the object placing table;

in the machining process, the hydraulic cylinder 5 is started and drives the object placing table 7 to move along the supporting rod 8, the telescopic end of the electric push rod 2 and the output end of the hydraulic cylinder 5 move in the same direction, and a workpiece is always kept in a clamped state in the moving process; thus, the longitudinal distance between the fine grinding head 9 and the workpiece is adjustable while the workpiece is clamped.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic device that grinds of accurate hardware surface which characterized in that: comprises a polishing mechanism and a placing table (7) which are arranged from top to bottom in sequence;

the polishing mechanism comprises a rotatable toothed ring (16), a lead screw motor (11) and a base (13) are radially fixed in the toothed ring (16), a rotatable lead screw (18) and a fixed guide rod (17) are installed between the lead screw motor (11) and the base (13), a sliding seat (12) is arranged on the lead screw (18) in a spiral sleeve mode, and the guide rod (17) penetrates through the sliding seat (12) in a sliding mode;

the bottom of the sliding seat (12) is fixed with a rotating motor (10), and the output end of the rotating motor (10) is fixedly connected with a fine grinding head (9).

2. The automatic precision grinding device for the surface of the precision hardware product as claimed in claim 1, characterized in that: the polishing machine is characterized by further comprising an upper loading platform (1), and the polishing mechanism is arranged on the upper loading platform (1).

3. The automatic precision grinding device for the surface of the precision hardware product as claimed in claim 2, characterized in that: a plurality of support rods (8) are arranged at the bottom of the upper loading platform (1) in an array mode, and the object placing platform (7) is connected with the support rods (8) in a sliding mode.

4. The automatic fine grinding device for the surface of the precision hardware product, according to claim 3, is characterized in that: a lower loading platform (6) is arranged below the object placing platform (7), and a lifting device is arranged between the object placing platform (7) and the lower loading platform (6).

5. The automatic fine grinding device for the surface of the precision hardware product, according to claim 4, is characterized in that: the lifting device comprises a hydraulic cylinder (5), and the output end of the hydraulic cylinder (5) is fixedly connected with the bottom of the object placing table (7) and the top of the lower object placing table (6).

6. The automatic fine grinding device for the surface of the precision hardware product, according to claim 1, is characterized in that: the grinding mechanism further comprises an inner ring (19) coaxially fitted inside the toothed ring (16), and the lead screw (18) is defined between the toothed ring (16) and the inner ring (19).

7. The automatic fine grinding device for the surface of the precision hardware product, according to claim 6, is characterized in that: a plurality of supporting beams (14) are fixedly connected between the toothed ring (16) and the inner ring (19), and the supporting beams (14) are positioned on one side of the screw rod (18).

8. The automatic precision grinding device for the surface of the precision hardware product according to claim 7, characterized in that: still include electric push rod (2), just the flexible end of electric push rod (2) slides and runs through inner ring (19), electric push rod (2) output is fixed with clamp plate (4), and treats that the work piece of polishing is limited in clamp plate (4) and put between thing platform (7).

9. The automatic precision grinding device for the surface of the precision hardware product as claimed in claim 2, characterized in that: the top of the upper loading platform (1) is provided with a driving motor (3), the output end of the driving motor (3) is fixedly connected with a driving gear (15), and the driving gear (15) is meshed with a toothed ring (16).