CN220902427U

CN220902427U - Inner hole knurling device for cylinder sleeve of printing machine

Info

Publication number: CN220902427U
Application number: CN202322553032.1U
Authority: CN
Inventors: 谢东升; 陈燕
Original assignee: Nanjing Tuonishi Automation Technology Co ltd
Current assignee: Nanjing Tuonishi Automation Technology Co ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-05-07
Anticipated expiration: 2033-09-20

Abstract

The utility model discloses a knurling device for an inner hole of a cylinder sleeve of a printing machine, which comprises a bottom box body, wherein one side of a motor housing is movably connected with an air chuck, the top end of a cutter head mounting seat is transversely and fixedly connected with a knurling cutter head, the other side of the top of an adjusting slide rail is provided with a rear positioning seat, the inside of the rear positioning seat is transversely and fixedly connected with two groups of hydraulic cylinders, and the bottom end of the cutter head mounting seat is provided with a mechanism which is convenient for adjusting the height of the cutter head. This printing machine cylinder jacket hole knurl device is through being provided with guide bar, guide slot and electric jar, during the use, and electric jar upwards extends or is retracted downwards, drives the synchronous displacement of tool bit mount pad from top to bottom, and the tool bit mount pad is when the displacement from top to bottom, and the guide bar of its bottom slides from top to bottom along the inside guide slot of bracket base, makes the tool bit mount pad displacement from top to bottom more steady smooth and easy, has realized the function of being convenient for adjust tool bit height, and the problem of the device that does not possess the function of being convenient for adjust tool bit height is solved.

Description

Inner hole knurling device for cylinder sleeve of printing machine

Technical Field

The utility model relates to the technical field of inner hole knurling machines, in particular to a knurling device for an inner hole of a cylinder sleeve of a printing machine.

Background

The cylinder sleeve is a cylindrical part which is arranged in a cylinder block hole of the engine body and is tightly pressed and fixed by the cylinder cover. The cylinder liner hole of printing machine belongs to the small bore processing category, when doing hole annular knurl, needs to clip the cylinder liner through pneumatic chuck, and the motor drives cylinder liner high-speed rotation, and the knurling sword cuts into along the inner wall of cylinder liner when rotatory, forms the twill.

The current common inner hole knurling device of the cylinder sleeve of the printing machine on the market is mostly similar in structure, a steel box body is used as a bottom support, a servo motor driven air chuck is arranged at the top, a tool rest for installing a tool bit is driven to feed by a hydraulic cylinder, certain functional defects exist in the actual use process, a certain improvement space is provided, such as the height fixing of the tool bit, a cushion piece is additionally arranged at the bottom of the tool rest when the height of the tool bit is adjusted by the current inner hole knurling device, the disassembly and assembly steps are complicated, and the function of conveniently adjusting the height of the tool bit is not provided; secondly, the feeding distance of the tool bit is controlled by the stroke of the hydraulic cylinder, the stroke of the fixed hydraulic cylinder is fixed, and certain limitation exists for the processing of workpieces with different specifications, so that the tool bit has no function of conveniently adjusting the stroke of the tool bit; in addition, when the inner knurling process is performed, the motor is required to continuously run, the temperature of the motor running at a high speed can be quickly increased, the state monitoring aspect of the current inner hole knurling machine on the motor is lack, the motor is easy to damage due to overheating, and the motor does not have the function of monitoring the acceleration and the cooling of the motor.

At present, a novel inner hole knurling device of a cylinder sleeve of a printing machine is provided for solving the problems.

Disclosure of utility model

The utility model aims to provide a knurling device for an inner hole of a cylinder sleeve of a printing machine, which solves the problem that the prior art does not have the function of conveniently adjusting the height of a cutter head.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a printing machine cylinder jacket hole knurling device, includes the bottom box, one side fixedly connected with motor housing at bottom box top, one side fixedly connected with control panel of motor housing front end, the top fixedly connected with top shroud of motor housing, servo motor is installed to one side of motor housing inside, one side swing joint of motor housing has pneumatic chuck, both ends are fixedly connected with regulation slide rail respectively around the bottom box top opposite side, the bracket base is installed to one side at regulation slide rail top, the top of bracket base is provided with the tool bit mount pad, the horizontal fixedly connected with knurled tool bit in top of tool bit mount pad, the back positioning seat is installed to the opposite side at regulation slide rail top, the inside horizontal fixedly connected with two sets of pneumatic cylinders of back positioning seat bottom, the bottom at both ends is provided with multiunit ventilation groove respectively around the motor housing, the bottom of tool bit mount pad is provided with the tool bit height-adjusting mechanism of being convenient for.

The mechanism convenient for adjusting the height of the cutter head comprises four groups of electric cylinders, the four groups of electric cylinders are respectively arranged in the middle positions of the front end and the rear end of the top of the bracket base, four groups of guide rods are vertically and fixedly connected to the front end and the rear end of the bottom of the cutter head mounting seat respectively, and four groups of guide grooves are respectively arranged in the front end and the rear end of the top of the bracket base.

Preferably, the positions and the sizes of the guide rods and the guide grooves are in one-to-one correspondence, the outer diameter of the guide rods is matched with the inner diameter of the guide grooves, and the guide rods can slide up and down along the inner parts of the guide grooves.

Preferably, the top of the electric cylinder is connected with the bottom of the tool bit mounting seat.

Preferably, the shape and the size of the bottom of the sliding sleeve are matched with those of the top of the adjusting sliding rail, and the sliding sleeve can slide left and right along the top of the adjusting sliding rail.

Preferably, two groups of positioning bolts are inserted into one end of the sliding sleeve, a plurality of groups of positioning screw holes are formed in one end of the adjusting sliding rail, and the positioning bolts penetrate through one end of the sliding sleeve and extend into the positioning screw holes.

Preferably, four groups of fans are installed on one side of the bottom end of the top cover, an infrared temperature sensor is fixedly connected to the middle position of one side of the bottom end of the top cover, and the control panel, the fans and the infrared temperature sensor are electrically connected.

Compared with the prior art, the utility model has the beneficial effects that: the knurling device for the inner hole of the cylinder sleeve of the printing machine not only realizes the function of conveniently adjusting the height of the cutter head, but also realizes the function of conveniently adjusting the stroke of the cutter head and the function of accelerating the temperature reduction of the monitoring motor;

(1) Through being provided with guide rod, guide slot and electric cylinder, during the use, the printing machine cylinder jacket is fixed through air chuck, servo motor drives air chuck and continues to rotate, the pneumatic cylinder promotes the bracket base and shifts forward along adjusting the slide rail, knurl tool bit gets into the cylinder jacket promptly and slowly, cut out the knurl groove in its inner wall department, during processing, can be according to the actual internal diameter of printing machine cylinder jacket adjustment knurl tool bit's height, the electric cylinder upwards extends or the downwardly retracted, drive tool bit mount pad and shift up and down in step, the tool bit mount pad slides along the inside guide slot of bracket base from top to bottom in the time of shifting up and down, make tool bit mount pad shift up and down more steadily smooth, realized the function of being convenient for adjust tool bit height;

(2) When the hydraulic cylinder is used, the actual displacement of the hydraulic cylinder can be adjusted according to the actual length of the cylinder sleeve of the printing machine so as to control the stroke of the hydraulic cylinder, when the position of the hydraulic cylinder is adjusted, the positioning bolt is unscrewed and pulled out, the sliding sleeve at the bottom of the rear positioning seat can push the displacement left and right along the adjusting slide rail, after the position is adjusted to a proper position, the positioning bolt is driven into the positioning bolt along one end of the sliding sleeve again, and the positioning bolt is clamped into the positioning screw hole at one end of the adjusting slide rail, so that the position of the rear positioning seat can be fixed, and the function of conveniently adjusting the stroke of the cutter head is realized;

(3) Through being provided with ventilation groove, fan and infrared temperature sensor, during the use, servo motor is at the in-process of working, and infrared temperature sensor continuously monitors the surface temperature of below servo motor, and after the temperature reached certain threshold value, the fan was started and is down continuously blown by the air circulation with higher speed, and hot air is discharged from ventilation groove, and cold air is inhaled from the fan top, delays motor overheated speed, has reserved sufficient time for operating personnel's inspection, has realized monitoring motor cooling with higher speed's function.

Drawings

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

FIG. 2 is an enlarged schematic top view of the bracket base of the present utility model;

FIG. 3 is an enlarged partial cross-sectional view of the structure of FIG. 1A according to the present utility model;

fig. 4 is a schematic view of the top cover of the present utility model in a bottom enlarged configuration.

In the figure: 1. a bottom box; 2. a motor housing; 3. a control panel; 4. a top cover; 5. a servo motor; 6. an air chuck; 7. adjusting the sliding rail; 8. a bracket base; 9. knurling tool bit; 10. a tool bit mounting seat; 11. a guide rod; 12. a guide groove; 13. an electric cylinder; 14. a hydraulic cylinder; 15. a rear positioning seat; 16. a sliding sleeve; 17. positioning bolts; 18. positioning screw holes; 19. a ventilation groove; 20. a blower; 21. an infrared temperature measuring sensor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, a knurling device for an inner hole of a cylinder liner of a printing machine comprises a bottom box body 1, wherein one side of the top of the bottom box body 1 is fixedly connected with a motor housing 2, one side of the front end of the motor housing 2 is fixedly connected with a control panel 3, the top of the motor housing 2 is fixedly connected with a top cover 4, one side of the inside of the motor housing 2 is provided with a servo motor 5, one side of the motor housing 2 is movably connected with an air chuck 6, the front end and the rear end of the other side of the top of the bottom box body 1 are respectively fixedly connected with an adjusting slide rail 7, one side of the top of the adjusting slide rail 7 is provided with a bracket base 8, a cutter head mounting seat 10 is arranged above the bracket base 8, the top end of the cutter head mounting seat 10 is transversely and fixedly connected with a knurled cutter head 9, the other side of the top of the adjusting slide rail 7 is provided with a rear positioning seat 15, the inside of the rear positioning seat 15 is transversely and fixedly connected with two groups of hydraulic cylinders 14, and the bottom end of the cutter head mounting seat 10 is provided with a mechanism convenient for adjusting the height;

Referring to fig. 1-4, the knurling device for the inner hole of the cylinder liner of the printing machine further comprises a tool bit height adjusting mechanism, wherein the tool bit height adjusting mechanism comprises four groups of electric cylinders 13, the four groups of electric cylinders 13 are respectively arranged in middle positions of front and rear ends of the top of the bracket base 8, the front and rear ends of the bottom of the tool bit mounting seat 10 are respectively and vertically fixedly connected with four groups of guide rods 11, and four groups of guide grooves 12 are respectively arranged in the front and rear ends of the top of the bracket base 8;

The positions and the sizes of the guide rod 11 and the guide groove 12 are in one-to-one correspondence, the outer diameter of the guide rod 11 is matched with the inner diameter of the guide groove 12, the guide rod 11 can slide up and down along the inside of the guide groove 12, and the top of the electric cylinder 13 is connected with the bottom of the tool bit mounting seat 10, so that the height of the tool bit can be conveniently adjusted;

Specifically, as shown in fig. 1 and 2, the electric cylinder 13 extends upward or retracts downward to drive the tool bit mounting seat 10 to displace upward and downward synchronously, and the guide rod 11 at the bottom of the tool bit mounting seat 10 slides upward and downward along the guide groove 12 in the bracket base 8 while the tool bit mounting seat 10 displaces upward and downward, so that the upward and downward displacement of the tool bit mounting seat 10 is smoother.

Example 2: the front end and the rear end of the bottom of the rear positioning seat 15 are respectively fixedly connected with a sliding sleeve 16, the shape and the size of the bottom of the sliding sleeve 16 are matched with those of the top of the adjusting sliding rail 7, the sliding sleeve 16 can slide left and right along the top of the adjusting sliding rail 7, two groups of positioning bolts 17 are inserted into one end of the sliding sleeve 16, a plurality of groups of positioning screw holes 18 are formed in one end of the adjusting sliding rail 7, and the positioning bolts 17 penetrate through one end of the sliding sleeve 16 and extend into the positioning screw holes 18, so that the tool bit stroke is conveniently adjusted;

Specifically, as shown in fig. 1 and 3, the positioning bolt 17 is unscrewed and pulled out, the sliding sleeve 16 at the bottom of the rear positioning seat 15 can be pushed to move left and right along the adjusting sliding rail 7, after the sliding sleeve is adjusted to a proper position, the positioning bolt 17 is driven into the sliding sleeve 16 along one end of the sliding sleeve, and the positioning bolt 17 is clamped into the positioning screw hole 18 at one end of the adjusting sliding rail 7, so that the position of the rear positioning seat 15 can be fixed.

Example 3: the bottoms of the front end and the rear end of the motor housing 2 are respectively provided with a plurality of groups of ventilation grooves 19, one side of the bottom end of the top cover 4 is provided with four groups of fans 20, the middle position of one side of the bottom end of the top cover 4 is fixedly connected with an infrared temperature sensor 21, and the control panel 3, the fans 20 and the infrared temperature sensor 21 are electrically connected, so that the motor can be conveniently monitored to reduce the damage probability;

Specifically, as shown in fig. 1 and 4, the infrared temperature sensor 21 continuously monitors the surface temperature of the servo motor 5 below, when the temperature reaches a certain threshold value, the fan 20 is started and continuously blows downwards to accelerate air circulation, hot air is discharged from the ventilation groove 19, cold air is sucked from the top of the fan 20, the overheat speed of the motor is delayed, and enough time is reserved for an operator to check.

Working principle: when the utility model is used, firstly, the cylinder sleeve of the printer is fixed through the air chuck 6, the servo motor 5 drives the air chuck 6 to continuously rotate, the hydraulic cylinder 14 pushes the bracket base 8 to move forwards along the adjusting slide rail 7, the knurled tool bit 9 slowly enters the cylinder sleeve, the knurled groove is cut out at the inner wall of the knurled tool bit 9, when the processing is carried out, the height of the knurled tool bit 9 can be adjusted according to the actual inner diameter of the cylinder sleeve of the printer, the electric cylinder 13 extends upwards or retracts downwards to drive the tool bit mounting seat 10 to synchronously move up and down, and the guide rod 11 at the bottom of the tool bit mounting seat 10 slides up and down along the guide groove 12 in the bracket base 8 at the same time of moving up and down, so that the up and down movement of the tool bit mounting seat 10 is more stable and smooth. According to the actual length of the cylinder sleeve of the printing machine, the actual displacement of the hydraulic cylinder 14 can be adjusted to control the stroke, when the position of the hydraulic cylinder 14 is adjusted, the positioning bolt 17 is unscrewed and pulled out, the sliding sleeve 16 at the bottom of the rear positioning seat 15 can push the displacement left and right along the adjusting sliding rail 7, when the position is adjusted to a proper position, the positioning bolt 17 is driven into the positioning bolt 17 along one end of the sliding sleeve 16 again, and the positioning bolt 17 is clamped into the positioning screw hole 18 at one end of the adjusting sliding rail 7, so that the position of the rear positioning seat 15 can be fixed. During the working process of the servo motor 5, the infrared temperature sensor 21 continuously monitors the surface temperature of the servo motor 5 below, after the temperature reaches a certain threshold value, the fan 20 is started and continuously blows downwards to accelerate air circulation, hot air is discharged from the ventilation groove 19, cold air is sucked from the top of the fan 20, the overheat speed of the motor is delayed, and enough time is reserved for operators to check.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 printing machine cylinder jacket hole knurling device, includes bottom box (1), its characterized in that: one side fixedly connected with motor housing (2) at bottom box (1) top, one side fixedly connected with control panel (3) at motor housing (2) front end, the top fixedly connected with top shroud (4) at motor housing (2), servo motor (5) are installed to one side of motor housing (2) inside, one side swing joint of motor housing (2) has air chuck (6), the front and back both ends of bottom box (1) top opposite side are fixedly connected with respectively and adjust slide rail (7), bracket base (8) are installed to one side at bracket base (7) top, the top of bracket base (8) is provided with tool bit mount pad (10), the top of tool bit mount pad (10) is transversely fixedly connected with tool bit knurl (9), back positioning seat (15) are installed to the opposite side at adjustment slide rail (7) top, the inside of back positioning seat (15) is transversely fixedly connected with two sets of pneumatic cylinders (14), the front and back both ends of back positioning seat (15) bottom are fixedly connected with sliding sleeve (16) respectively, the bottom of motor housing (2) is provided with respectively, the bottom of tool bit mount pad (19) is provided with the high-end ventilation mechanism of multiunit tool bit (19) height adjustment respectively;

The mechanism convenient for adjusting the height of the cutter head comprises four groups of electric cylinders (13), the four groups of electric cylinders (13) are respectively arranged inside middle positions of the front end and the rear end of the top of the bracket base (8), four groups of guide rods (11) are respectively vertically and fixedly connected with the front end and the rear end of the bottom of the cutter head mounting seat (10), and four groups of guide grooves (12) are respectively arranged inside the front end and the rear end of the top of the bracket base (8).

2. The printer cylinder liner bore knurling apparatus of claim 1, wherein: the positions of the guide rods (11) and the guide grooves (12) are in one-to-one correspondence, the outer diameter of the guide rods (11) is matched with the inner diameter of the guide grooves (12), and the guide rods (11) can slide up and down along the inner parts of the guide grooves (12).

3. The printer cylinder liner bore knurling apparatus of claim 1, wherein: the top of the electric cylinder (13) is connected with the bottom of the tool bit mounting seat (10).

4. The printer cylinder liner bore knurling apparatus of claim 1, wherein: the shape and the size of the bottom of the sliding sleeve (16) are matched with those of the top of the adjusting sliding rail (7), and the sliding sleeve (16) can slide left and right along the top of the adjusting sliding rail (7).

5. The printer cylinder liner bore knurling apparatus of claim 1, wherein: two groups of positioning bolts (17) are inserted into one end of the sliding sleeve (16), a plurality of groups of positioning screw holes (18) are formed in one end of the adjusting sliding rail (7), and the positioning bolts (17) penetrate through one end of the sliding sleeve (16) and extend into the positioning screw holes (18).

6. The printer cylinder liner bore knurling apparatus of claim 1, wherein: four groups of fans (20) are installed on one side of the bottom end of the top cover (4), an infrared temperature sensor (21) is fixedly connected to the middle position of one side of the bottom end of the top cover (4), and the control panel (3), the fans (20) and the infrared temperature sensor (21) are electrically connected.