CN212886793U

CN212886793U - Air compressor's bent axle grinding device

Info

Publication number: CN212886793U
Application number: CN202021028318.8U
Authority: CN
Inventors: 高燕; 刘建明
Original assignee: Nanjing Ofure Compressor Co ltd
Current assignee: Nanjing Ofure Compressor Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-04-06
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses an air compressor's bent axle grinding device, comprising a supporting seat, the last fixed surface of backup pad installs fixed frame, the interior roof fixed mounting of fixed frame has two hydraulic stems, two the expansion end fixedly connected with backup pad of hydraulic stem, the both sides of backup pad respectively with the both sides inner wall sliding connection of fixed frame, the lower surface sliding connection of backup pad has the fixed block, the side threaded connection of fixed block has the threaded rod, the lower fixed surface of fixed block installs the polisher. This air compressor's bent axle grinding device through setting up fixed frame, hydraulic stem, backup pad, fixed block, driving motor, threaded rod and polisher, makes the device when carrying out grinding to the bent axle with man-hour, can adjust the polisher position through hydraulic stem and driving motor, makes the polisher can effectively polish to the connecting rod axle journal department recess of the different degree of depth, has improved the quality of the back bent axle of polishing.

Description

Air compressor's bent axle grinding device

Technical Field

The utility model relates to a bent axle technical field specifically is an air compressor's bent axle grinding device.

Background

The crankshaft is the most important part in the air compressor, bears the force transmitted by the connecting rod, converts the force into torque, outputs the torque through the crankshaft and drives other accessories on the air compressor to work, and the crankshaft bears the action of bending and twisting load under the combined action of centrifugal force of rotating mass, gas inertia force with periodic change and reciprocating inertia force, so that the crankshaft is required to have enough strength and rigidity, and the surface of a shaft neck needs to be wear-resistant, work is uniform and balance is good.

The crankshaft is in the forming process, a crankshaft grinding device is used for grinding a connecting rod journal and a main journal of the crankshaft, the conventional grinding device usually rotates the crankshaft to grind the crankshaft, but the grooves in the connecting rod journal of the crankshaft are not identical in depth, so that the grooves in the connecting rod journals of different depths cannot be accurately and effectively ground in the grinding process, and the quality and the using effect of the ground crankshaft are affected.

Therefore, a crankshaft grinding device of the air compressor is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air compressor's bent axle grinding device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an air compressor's bent axle grinding device, includes the supporting seat, the last fixed surface of backup pad installs fixed frame, the left side surface of fixed frame is rotated through first bearing and is connected with the cylinder pole, the right side surface threaded connection of fixed frame has the bolt, the one end fixed mounting of bolt has first carousel, the other end fixed mounting of bolt has the fixture block, the interior roof fixed mounting of fixed frame has two hydraulic stems, two the expansion end fixedly connected with backup pad of hydraulic stem, the both sides of backup pad respectively with the both sides inner wall sliding connection of fixed frame, the lower surface sliding connection of backup pad has the fixed block, the side threaded connection of fixed block has the threaded rod, the lower fixed surface of fixed block installs the polisher.

Preferably, the one end of cylinder pole is pegged graft through the socket and is had the bent axle, the inner wall fixedly connected with on-slip rubber layer of socket, the other end fixedly connected with fixed axle of cylinder pole, the one end fixedly connected with second carousel of cylinder pole is kept away from to the fixed axle, the left side fixed surface of second carousel is connected with the handle that is used for rotating the second carousel, the interior diapire fixed mounting of fixed frame has the bracing piece that is used for supporting the bent axle, semicircular groove has been seted up to the upper surface of bracing piece.

Preferably, a limiting groove is formed in the left side surface of the clamping block, and the inner wall of the limiting groove is in lap joint with the right end of the crankshaft.

Preferably, the gliding first spout of confession backup pad is all seted up to the both sides inner wall of fixed frame, the gliding second spout of confession fixed block is seted up to the lower surface of backup pad.

Preferably, the lower surface of the supporting plate is respectively and fixedly provided with a fixed box and a limiting block, and the inner wall of the fixed box is fixedly provided with a driving motor.

Preferably, one end of the threaded rod is fixedly connected with an output shaft of the driving motor, and the other end of the threaded rod is rotatably connected with the limiting block through a second bearing.

Advantageous effects

The utility model provides an air compressor's bent axle grinding device possesses following beneficial effect:

1. this air compressor's bent axle grinding device through setting up fixed frame, hydraulic stem, backup pad, fixed block, driving motor, threaded rod and polisher, makes the device when carrying out grinding to the bent axle with man-hour, can adjust the polisher position through hydraulic stem and driving motor, makes the polisher can effectively polish to the connecting rod axle journal department recess of the different degree of depth, has improved the quality of the back bent axle of polishing.

2. This air compressor's bent axle grinding device through setting up fixed frame, cylinder pole, bolt, fixture block and fixed axle, makes the bent axle rotate and by effective fixed, can polish the bent axle department of polishing in different positions at the in-process of polishing, has improved work efficiency.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of B in fig. 1.

In the figure: the device comprises a supporting seat 1, a fixing frame 2, a first bearing 3, a cylindrical rod 4, a bolt 5, a first rotary table 6, a clamping block 7, a hydraulic rod 8, a supporting plate 9, a fixing block 10, a threaded rod 11, a grinding machine 12, a crankshaft 13, a fixed shaft 14, a second rotary table 15, a limiting block 16, a driving motor 17 and a second bearing 18.

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. 1-3, the present invention provides a technical solution: the utility model provides an air compressor's bent axle grinding device, including supporting seat 1, the fixed frame 2 of last fixed surface of backup pad 1 installs, the left surface of fixed frame 2 rotates through first bearing 3 and is connected with cylinder pole 4, cylinder pole 4's one end is pegged graft through the socket and is had bent axle 13, the inner wall fixedly connected with non-slip rubber layer of socket, cylinder pole 4's other end fixedly connected with fixed axle 14, the one end fixedly connected with second carousel 15 of cylinder pole 4 is kept away from to fixed axle 14, the left side fixed surface of second carousel 15 is connected with the handle that is used for rotating second carousel 15, the interior diapire fixed mounting of fixed frame 2 has the bracing piece that is used for supporting bent axle 13, semicircular groove has been seted.

The right side surface threaded connection of fixed frame 2 has bolt 5, the one end fixed mounting of bolt 5 has first carousel 6, the other end fixed mounting of bolt 5 has fixture block 7, the spacing groove has been seted up to the left side surface of fixture block 7, the inner wall of spacing groove and the right-hand member overlap joint of bent axle 13, this air compressor's bent axle grinding device, through setting up fixed frame 2, cylinder pole 4, bolt 5, fixture block 7 and fixed axle 14, make bent axle 13 can rotate and by effective fixed, can polish the bent axle 13 department of polishing in different positions at the in-process of polishing, and the work efficiency is improved.

Two hydraulic stem 8 of interior roof fixed mounting of fixed frame 2, the expansion end fixedly connected with backup pad 9 of two hydraulic stem 8, fixed case and stopper 16 are fixed to the lower surface of backup pad 9 respectively, the inner wall fixed mounting of fixed case has driving motor 17, the both sides of backup pad 9 respectively with the both sides inner wall sliding connection of fixed frame 2, the lower surface sliding connection of backup pad 9 has fixed block 10, the both sides inner wall of fixed frame 2 has all been seted up and has been supplied the gliding first spout of backup pad 9, the gliding second spout of confession fixed block 10 has been seted up to the lower surface of backup pad 9.

Side threaded connection of fixed block 10 has threaded rod 11, threaded rod 11's one end and driving motor 17's output shaft fixed connection, threaded rod 11's the other end passes through second bearing 18 and stopper 16 rotates and is connected, fixed surface mounting of fixed block 10 has polisher 12, this air compressor's bent axle grinding device, through setting up fixed frame 2, hydraulic stem 8, backup pad 9, fixed block 10, driving motor 17, threaded rod 11 and polisher 12, make the device when carrying out abrasive machining to bent axle 13, can adjust polisher 12 position through hydraulic stem 8 and driving motor 17, make polisher 12 can effectively polish to the connecting rod journal department recess of the different degree of depth, the quality of bent axle 13 after polishing has been improved.

The working principle is as follows: before grinding crankshaft 13, one end of crankshaft 13 is inserted into a socket of cylindrical rod 4, the other end is placed in a semicircular groove of a support rod, second rotary table 15 is rotated through a handle, crankshaft 13 is rotated to a proper position, bolt 5 is screwed, fixture block 7 moves leftwards, the right end of crankshaft 13 enters a limiting groove of fixture block 7 and tightly supports crankshaft 13, then hydraulic rod 8 is started, grinding machine 12 moves downwards along with support plate 9, the bottom end of grinding disc of grinding machine 12 is in contact with the groove at the position of the connecting rod journal, grinding machine 12 is started to grind crankshaft 13, after grinding of the groove at one connecting rod journal is finished, hydraulic rod 8 is decompressed, driving motor 17 is started after grinding machine 12 is restored to the initial position, threaded rod 11 is rotated, threaded rod 11 rotates to drive fixing block 10 to slide rightwards, fixing block 10 drives grinding machine 12 to move rightwards to the position above the groove at the other connecting rod journal, and starting the hydraulic rod 8 again, repeating the operation, screwing the bolt 5 after one surface of the crankshaft 13 is polished, enabling the fixture block 7 to move rightwards and be away from the crankshaft 13, rotating the second rotating disc 15 through the handle, enabling the crankshaft 13 to rotate, changing the polished surface of the crankshaft 13, screwing the bolt 5, enabling the fixture block 7 to move rightwards, fixing the crankshaft 13, and repeating the operation to finish the grinding processing of the crankshaft 13.

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 air compressor's bent axle grinding device, includes supporting seat (1), its characterized in that: a fixed frame (2) is fixedly arranged on the upper surface of the supporting seat (1), the left side surface of the fixed frame (2) is rotatably connected with a cylindrical rod (4) through a first bearing (3), the right side surface of the fixed frame (2) is in threaded connection with a bolt (5), one end of the bolt (5) is fixedly provided with a first rotating disc (6), a clamping block (7) is fixedly installed at the other end of the bolt (5), two hydraulic rods (8) are fixedly installed on the inner top wall of the fixed frame (2), a supporting plate (9) is fixedly connected with the movable ends of the two hydraulic rods (8), the two sides of the supporting plate (9) are respectively connected with the inner walls of the two sides of the fixed frame (2) in a sliding way, the lower surface of the supporting plate (9) is connected with a fixed block (10) in a sliding way, the side surface of the fixed block (10) is connected with a threaded rod (11) in a threaded way, and a grinding machine (12) is fixedly arranged on the lower surface of the fixed block (10).

2. The grinding device for the crankshaft of the air compressor as claimed in claim 1, wherein: the one end of cylinder pole (4) is pegged graft through the socket and is had bent axle (13), the inner wall fixedly connected with non-slip rubber layer of socket, the other end fixedly connected with fixed axle (14) of cylinder pole (4), the one end fixedly connected with second carousel (15) of cylinder pole (4) are kept away from in fixed axle (14), the left side fixed surface of second carousel (15) is connected with the handle that is used for rotating second carousel (15), the interior diapire fixed mounting of fixed frame (2) has the bracing piece that is used for supporting bent axle (13), semicircular groove has been seted up to the upper surface of bracing piece.

3. The grinding device for the crankshaft of the air compressor as claimed in claim 1, wherein: the left side surface of the clamping block (7) is provided with a limiting groove, and the inner wall of the limiting groove is in lap joint with the right end of the crankshaft (13).

4. The grinding device for the crankshaft of the air compressor as claimed in claim 1, wherein: the gliding first spout of confession backup pad (9) is all seted up to the both sides inner wall of fixed frame (2), the gliding second spout of confession fixed block (10) is seted up to the lower surface of backup pad (9).

5. The grinding device for the crankshaft of the air compressor as claimed in claim 1, wherein: the lower surface of backup pad (9) fixed mounting respectively has fixed case and stopper (16), the inner wall fixed mounting of fixed case has driving motor (17).

6. The grinding device for the crankshaft of the air compressor as claimed in claim 1, wherein: one end of the threaded rod (11) is fixedly connected with an output shaft of the driving motor (17), and the other end of the threaded rod (11) is rotatably connected with the limiting block (16) through a second bearing (18).