CN215547575U

CN215547575U - Precision grinding machine for machining shredder die

Info

Publication number: CN215547575U
Application number: CN202122199022.3U
Authority: CN
Inventors: 单冲
Original assignee: Taicang Congrun Mould Co ltd
Current assignee: Taicang Congrun Mould Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-01-18
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a precision grinding machine for machining a shredder die, which comprises a machine table, a machine frame and a grinding assembly, wherein the machine frame is arranged on the rear side of the upper end of the machine table, the grinding assembly is movably arranged in front of the machine frame, an installation table is arranged on the upper end of the machine table, a sliding groove is arranged on the upper end of the installation table, a clamping table is connected inside the sliding groove in a sliding mode, side guide rails are fixed at the left end and the right end of the installation table respectively, a threaded rod is rotatably connected inside the sliding groove and penetrates through the clamping table and is in threaded connection with the clamping table, and two ends of the threaded rod penetrate into the two side guide rails respectively. When the shredder die clamped on the clamping table needs to be horizontally adjusted, the hand wheel is pressed to enable the bevel gear II to be meshed with the bevel gear I, then the hand wheel is rotated, the threaded rod can be driven to rotate through the transmission of the bevel gear II and the bevel gear I, the threaded rod can drive the clamping table to be horizontally adjusted, after the clamping table is horizontally adjusted and the hand wheel is loosened, the hand wheel is forwardly reset to be clamped with the boss, and the stability of the clamping table after adjustment is improved.

Description

Precision grinding machine for machining shredder die

Technical Field

The utility model relates to the field of production of paper shredder molds, in particular to a precision grinding machine for machining paper shredder molds.

Background

The die of the paper shredder is a die for injection molding of the barrel body of the paper shredder, and a precise grinding machine is needed to grind the die of the paper shredder in the production and processing of the die of the paper shredder.

At present, when a precision grinding machine is used for processing a shredder die, the shredder die needs to be clamped and positioned, and the shredder die which is clamped and positioned is difficult to horizontally adjust, so that the precision grinding machine is not beneficial to processing the shredder die by workers.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a precision grinding machine for machining a shredder die so as to solve the problems in the background art.

A precision grinding machine for machining a shredder die comprises a machine table, a machine frame and a grinding assembly, wherein the machine frame is arranged on the rear side of the upper end of the machine table, the grinding assembly is movably arranged in front of the machine frame, an installation table is arranged on the upper end of the machine table, a sliding groove is formed in the upper end of the installation table, a clamping table is slidably connected in the sliding groove, side guide rails are fixed at the left end and the right end of the installation table respectively, a threaded rod is rotatably connected in the sliding groove and penetrates through the clamping table and is in threaded connection with the clamping table, two ends of the threaded rod respectively penetrate through the two side guide rails, a bevel gear II is fixed at two ends of the threaded rod, a sleeve is fixed at the rear end in the side guide rails, a rotating shaft is rotatably connected at the front end of the sleeve and penetrates through the side guide rails and is fixed with a hand wheel, a bevel gear I is fixed outside the rotating shaft and in front of the bevel gear II, a boss is fixed at the front end of the machine table and below the hand wheel, the boss is clamped with the hand wheel;

an oil storage cavity is arranged below the inner portion of the mounting platform, an oil filling pipe is connected to the lower portion of the front end of the mounting platform and communicated with the oil storage cavity, steel balls are embedded into the bottom of the sliding groove and connected in a rolling mode, and the steel balls are located below the clamping platform and connected with the clamping platform in a rolling mode.

Preferably, the upper sides of the left end and the right end of the clamping table are both penetrated and connected with a screw in a threaded mode, and the head end of the screw penetrates to the inner side of the clamping table and is connected with a clamping plate in a bearing mode.

Preferably, the upper end face of the boss is an arc face, at least two first tooth blocks are fixed at the upper end of the boss, a plurality of second tooth blocks are uniformly fixed on the surface of the hand wheel in an annular shape, and the second tooth blocks are meshed with the first tooth blocks.

Preferably, a pressing plate is fixed outside the rotating shaft and behind the bevel gear, a spring is arranged between the rear end of the pressing plate and the front end of the sleeve, and the spring is located on the outer side of the rotating shaft.

Preferably, the tail end of the oil filling pipe is connected with a piston pipe, a piston rod is connected inside the piston pipe in a sliding mode, and a piston is arranged at the bottom of the piston rod.

Preferably, the bottom of the steel ball is embedded into the oil storage cavity.

When a shredder die clamped on a horizontal adjusting clamping table is needed, a hand wheel is pressed, a bevel gear II is meshed with a bevel gear I, the hand wheel is rotated later, the threaded rod can be driven to rotate through transmission of the bevel gear II and the bevel gear I, the threaded rod can drive the clamping table to carry out horizontal adjustment, after the clamping table is adjusted horizontally and the hand wheel is loosened, the hand wheel is reset forwards and clamped with a boss, the stability after the clamping table is adjusted is improved at the moment, and in the horizontal movement of the clamping table, the clamping table is in contact with steel balls, so that the steel balls coat lubricating oil to the bottom of the clamping table, the friction force at the bottom of the clamping table is reduced, and the sliding of the clamping table is facilitated.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is a partial schematic view of portion A of FIG. 1 according to the present invention;

FIG. 3 is a schematic top view of the mounting table of the present invention;

FIG. 4 is a cross-sectional partial schematic view of the mounting table of the present invention.

In the figure: 1-machine table, 2-machine frame, 3-grinding component, 4-mounting table, 5-side guide rail, 6-clamping table, 7-screw rod, 8-clamping plate, 9-boss, 10-first tooth block, 11-hand wheel, 12-oil filling pipe, 13-piston pipe, 14-piston rod, 15-first bevel gear, 16-pressing plate, 17-sleeve, 18-spring, 19-second bevel gear, 20-threaded rod, 21-steel ball, 22-oil storage cavity, 23-rotating shaft and 24-second tooth block.

Detailed Description

As shown in fig. 1-4, a precision grinder for machining shredder dies comprises a machine table 1, a frame 2 and a grinding assembly 3, the frame 2 is arranged at the rear side of the upper end of the machine table 1, the grinding component 3 is movably arranged in front of the frame 2, the upper end of the machine table 1 is provided with an installation table 4, the upper end of the installation table 4 is provided with a sliding chute, the inside of the sliding chute is connected with a clamping table 6 in a sliding way, the upper sides of the left and right ends of the clamping table 6 are both penetrated and connected with a screw 7 by screw threads, the head end of the screw 7 penetrates to the inner side of the clamping table 6 and is connected with a clamping plate 8 by a bearing, by placing the shredder die to be processed on the clamping table 6, and then rotating the screw 7, as the screw 7 is threadedly engaged with the clamping table 6, the clamping plate 8 moves towards the shredder mold, so that the shredder mold can be clamped by the clamping plate 8, and then the shredder mold is polished by the polishing component 3;

side guide rails 5 are fixed at the left end and the right end of the installation table 4, a threaded rod 20 is rotatably connected inside the sliding groove, the threaded rod 20 penetrates through the clamping table 6 and is in threaded connection with the clamping table 6, the two ends of the threaded rod 20 respectively penetrate into the two side guide rails 5, bevel gear II 19 is fixed at the two ends of the threaded rod 20, a sleeve 17 is fixed at the rear end inside the side guide rail 5, a rotating shaft 23 is rotatably connected at the front end of the sleeve 17, a hand wheel 11 is fixed at the front end of the rotating shaft 23, a bevel gear I15 is fixed outside the rotating shaft 23 and in front of the bevel gear II 19, a boss 9 is fixed at the front end of the machine table 1 and below the hand wheel 11, the boss 9 is clamped with the hand wheel 11, the upper end face of the boss 9 is a cambered surface, at least two tooth blocks I10 are fixed at the upper end of the boss 9, and a plurality of tooth blocks II 24 are uniformly fixed on the surface of the hand wheel 11 in an annular shape, the second tooth block 24 is meshed with the first tooth block 10, when the shredder die needs to be horizontally adjusted in the polishing process of the shredder die, the hand wheel 11 is pressed first to enable the hand wheel 11 to move backwards, at the moment, the second tooth block 24 is not meshed with the first tooth block 10, the hand wheel 11 moves backwards to push the rotating shaft 23, the rotating shaft 23 is pushed to the rear part to slide into the sleeve 17, the rotating shaft 23 drives the first bevel gear 15 to move backwards to be meshed with the second bevel gear 19, the hand wheel 11 is rotated, the hand wheel 11 drives the threaded rod 20 to rotate through the matching of the first bevel gear 15 and the second bevel gear 19, and the second bevel gear 19 at the other end of the threaded rod 20 is not meshed with the first bevel gear 15 at the other end when rotating, so that the threaded rod 20 is in threaded fit with the clamping table 6 to drive the clamping table 6 to horizontally move, and the shredder die is horizontally adjusted;

a pressing plate 16 is fixed outside the rotating shaft 23 and behind the bevel gear I15, a spring 18 is arranged between the rear end of the pressing plate 16 and the front end of the sleeve 17, the spring 18 is located outside the rotating shaft 23, when the rotating shaft 23 moves backwards, the pressing plate 16 can be driven to press the spring 18 backwards, therefore, after the clamping table 6 is horizontally adjusted and the hand wheel 11 is loosened, the pressing plate 16 is forward sprung through the spring 18, the rotating shaft 23 is driven to move forwards by the pressing plate 16, the hand wheel 11 is reset forwards at the moment, a tooth block II 24 on the outer wall of the hand wheel 11 is clamped with a tooth block I10 on the boss 9, and the stability of the clamping table 6 after adjustment can be improved at the moment;

an oil storage cavity 22 is arranged below the inner part of the mounting table 4, an oil filling pipe 12 is connected below the front end of the mounting table 4, the oil filling pipe 12 is communicated with the oil storage cavity 22, a steel ball 21 is embedded and connected to the bottom of the sliding groove in a rolling mode, the steel ball 21 is located below the clamping table 6 and is connected with the clamping table 6 in a rolling mode, the bottom of the steel ball 21 is embedded into the oil storage cavity 22, lubricating oil can be added into the oil storage cavity 22 through the oil filling pipe 12, the bottom of the steel ball 21 is in contact with the lubricating oil, when the clamping table 6 moves horizontally, the steel ball 21 rolls to coat the lubricating oil to the bottom of the clamping table 6 along with the contact of the clamping table 6 and the steel ball 21, and therefore friction force at the bottom of the clamping table 6 can be reduced, and the sliding of the clamping table 6 is facilitated;

the tail end of the oil filling pipe 12 is connected with a piston pipe 13, a piston rod 14 is connected inside the piston pipe 13 in a sliding mode, a piston is arranged at the bottom of the piston rod 14, when lubricating oil is added through the oil filling pipe 12, the lubricating oil is added into the piston pipe 13, and therefore after the lubricating oil is added, the piston at the bottom of the piston rod 14 is inserted into the piston pipe 13, and the sealing effect of the oil filling pipe 12 can be achieved.

Claims

1. The utility model provides a precision grinder is used in processing of kneader mould, includes board (1), frame (2) and the subassembly (3) of polishing, install in board (1) upper end rear side frame (2), the subassembly (3) movable mounting of polishing is preceding in frame (2), its characterized in that:

the machine table is characterized in that an installation table (4) is installed at the upper end of the machine table (1), a sliding groove is formed in the upper end of the installation table (4), a clamping table (6) is connected to the inside of the sliding groove in a sliding mode, side guide rails (5) are fixed to the left end and the right end of the installation table (4), a threaded rod (20) is connected to the inside of the sliding groove in a rotating mode, the threaded rod (20) penetrates through the clamping table (6) and is in threaded connection with the clamping table (6), two ends of the threaded rod (20) penetrate through the two side guide rails (5) respectively, bevel gear II (19) are fixed to two ends of the threaded rod (20), a sleeve (17) is fixed to the rear end of the inside of each side guide rail (5), a rotating shaft (23) is connected to the front end of each sleeve (17) in a rotating mode, a hand wheel (11) is fixed to the front end of each rotating shaft (23), and a bevel gear I (15) is fixed to the outer portion, which is located in front of each bevel gear II (19), a boss (9) is fixed at the front end of the machine table (1) and below the hand wheel (11), and the boss (9) is clamped with the hand wheel (11);

the oil storage cavity (22) is arranged below the inner portion of the mounting platform (4), the oil filling pipe (12) is connected to the lower portion of the front end of the mounting platform (4), the oil filling pipe (12) is communicated with the oil storage cavity (22), the sliding groove bottom is embedded into and connected with the steel ball (21) in a rolling mode, and the steel ball (21) is located below the clamping platform (6) and connected with the clamping platform (6) in a rolling mode.

2. The precision grinding machine for machining the shredder die as claimed in claim 1, wherein: both ends upside all runs through and threaded connection has screw rod (7) about centre gripping platform (6), screw rod (7) head end runs through to centre gripping platform (6) inboard and bearing connection has splint (8).

3. The precision grinding machine for machining the shredder die as claimed in claim 1, wherein: the upper end face of the boss (9) is an arc face, at least two first tooth blocks (10) are fixed at the upper end of the boss (9), a plurality of second tooth blocks (24) are uniformly fixed on the surface of the hand wheel (11) in an annular mode, and the second tooth blocks (24) are meshed with the first tooth blocks (10).

4. The precision grinding machine for machining the shredder die as claimed in claim 1, wherein: a pressing plate (16) is fixed outside the rotating shaft (23) and behind the bevel gear I (15), a spring (18) is arranged between the rear end of the pressing plate (16) and the front end of the sleeve (17), and the spring (18) is located on the outer side of the rotating shaft (23).

5. The precision grinding machine for machining the shredder die as claimed in claim 1, wherein: the oil filling device is characterized in that the tail end of the oil filling pipe (12) is connected with a piston pipe (13), a piston rod (14) is connected inside the piston pipe (13) in a sliding mode, and a piston is arranged at the bottom of the piston rod (14).

6. The precision grinding machine for machining the shredder die as claimed in claim 1, wherein: the bottom of the steel ball (21) is embedded into the oil storage cavity (22).