CN113681452A

CN113681452A - Connecting line mechanism for lifting type roller ultra-precision grinding turning

Info

Publication number: CN113681452A
Application number: CN202111078759.8A
Authority: CN
Inventors: 李健; 胡亮
Original assignee: Changzhou University
Current assignee: Linqing Aohengsai Steel Ball Manufacturing Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2021-11-23
Anticipated expiration: 2041-09-15
Also published as: CN113681452B

Abstract

The invention discloses a connecting mechanism for a lifting type roller superfine grinding and turning head, comprising an upper conveying device (1), a lower conveying device (2), a turning device (3), an upper conveying device (1) and a lower conveying device One end of (2) is respectively used to connect with two ultra-fine grinding equipment for receiving the rollers ground by the ultra-fine grinding equipment or transporting the rollers to the ultra-fine grinding equipment, the upper conveying device (1) and the lower conveying device The other end of the device (2) is connected to the turning device (3), and the turning device (3) is used to push the rollers on the upper conveying device (1) onto the lower conveying device (2) or to move the lower conveying device (2) The upper rollers are pushed onto the upper conveyor (1). The invention can realize the transportation of the roller between the two ultra-fine grinding devices, and greatly improves the grinding efficiency of the roller compared with the manual conversion of the roller between the two ultra-fine grinding devices in the prior art. .

Description

Connecting line mechanism for lifting type roller ultra-precision grinding turning

Technical Field

The invention relates to a connecting mechanism for lifting type roller superfine grinding turning, and belongs to the field of bearing roller processing production equipment.

Background

Along with the change of international situation, the requirement on the precision of bearings which are independently produced in China is increasingly improved, the surface convexity of a roller after logarithmic curve optimization becomes a main difficult point, but because various different influence factors cause that the roller is only subjected to once superfine grinding in the production process, the roller cannot reach the required surface convexity, the roller after the superfine grinding needs to be turned round again for once or multiple times of superfine grinding, the production efficiency can be seriously influenced if the roller after once superfine grinding is manually collected and turned round and then put into next equipment, and the condition of no turning round can be generated due to manual errors, so that the development of a connecting line mechanism capable of realizing the turning round of the roller to improve the grinding efficiency of the roller is very important.

Disclosure of Invention

The invention aims to provide a connecting mechanism for lifting type roller superfine grinding turning, which solves the technical defect that in the prior art, the transfer between two superfine grinding devices is manually completed in roller grinding, so that the roller grinding efficiency is poor.

In order to solve the problems, the technical scheme adopted by the invention is as follows: the connecting line mechanism of super lapping tune of over-and-under type roller, including last conveyor, conveyor and tune device down, the one end of going up conveyor and conveyor down is used for being connected with two super fine grinding equipment respectively and is used for receiving the roller after being ground by super fine grinding equipment or carry the roller to super fine grinding equipment on, the other end and the tune device of going up conveyor and conveyor down are connected, the tune device is used for on the roller that will go up conveyor promotes conveyor down or will promote conveyor down on the roller on the conveyor on. The invention adopts the upper conveying device and the lower conveying device to connect the two superfine grinding devices, and the rollers are converted and conveyed between the two superfine grinding devices, so that the two superfine grinding devices grind the rollers for two times or more, the rollers on the upper conveying device or the lower conveying device roll onto the turning device, and the turning device changes the height of the positions of the rollers and conveys the rollers to the lower conveying device or the upper conveying device, so that the positions of the rollers between the upper conveying device and the lower conveying device are converted.

As a further improvement of the invention, the height of the upper conveying device is greater than that of the lower conveying device, the turning device comprises a workbench, a lifting table and a material pushing device, the workbench is arranged on the lifting table and moves up and down along with the lifting table, the workbench moves upwards, one end of the workbench is in butt joint with the upper conveying device, the workbench moves downwards, one end of the workbench is in butt joint with the lower conveying device, and the material pushing device is arranged at one end of the workbench, far away from the upper conveying device and the lower conveying device, and is used for pushing rollers on the workbench to the upper conveying device or the lower conveying device. The lifting platform is used for driving the working platform to lift, the lifting of the working platform converts the roller between the upper conveying device and the lower conveying device, and the pushing device is used for pushing the roller on the working platform to the upper conveying device or the lower conveying device.

As a further improvement of the invention, the upper surface of one end of the workbench far away from the material pushing device is provided with a V-shaped groove, and the roller rolls in the V-shaped groove in a use state. The V-shaped groove is formed in the workbench, and the conveying of the roller on the workbench is limited and guided, so that the roller can roll only along the length direction of the V-shaped groove.

As a further improvement of the invention, the material pushing device is an air cylinder, a piston rod of the air cylinder extends and retracts along the length direction of the V-shaped groove, a pushing block is arranged at the end part of the piston rod of the air cylinder, the bottom of the pushing block is positioned in the V-shaped groove and matched with the shape of the V-shaped groove, and the bottom of the pushing block horizontally slides in the V-shaped groove along with the extension and retraction of the piston rod and is used for pushing the roller in the V-shaped groove to the upper conveying device or the lower conveying device. According to the invention, the roller is pushed to the upper conveying device or the lower conveying device from the workbench through the extension of the piston rod of the air cylinder, wherein the push block increases the contact area of the air cylinder and the roller in a use state, so that the roller is prevented from being damaged when the piston of the air cylinder extends.

As a further improvement of the invention, the upper conveying device and the lower conveying device respectively comprise a supporting frame, a V-shaped chain plate and a speed regulating motor, the V-shaped chain plate is arranged on the supporting frame and is driven by the speed regulating motor to be conveyed on the supporting frame, and the speed regulating motor is arranged on the supporting frame. In the invention, the V-shaped chain plate is adopted to convey the rollers, and the conveying of the rollers on the upper conveying device and the lower conveying device is limited and guided.

As a further improvement of the invention, one end of the support frame close to the U-turn device is provided with a connecting plate, the section of the middle part of the connecting plate is V-shaped with the same shape as the section of the V-shaped chain plate, two side surfaces of the connecting plate are respectively coplanar with two side surfaces of the V-shaped chain plate, and one end of the connecting plate far away from the V-shaped chain plate is used for being butted with the workbench. The invention is provided with the connecting plate for supporting the conveying of the rollers from the end parts of the upper conveying device and the lower conveying device, and avoids the influence on the conveying of the rollers due to the height difference between the V-shaped chain plate and the workbench when the rollers are conveyed to the workbench because the V-shaped chain plate is bent downwards.

As a further improvement of the invention, the bottom of the workbench is provided with a vertical baffle which moves synchronously along with the vertical movement of the lifting platform, and when the workbench moves upwards to be in butt joint with the upper conveying device, the lower part of the vertical baffle blocks the end part of the lower conveying device. The vertical baffle is arranged, and when the workbench moves upwards, the vertical baffle blocks the lower conveying device, so that rollers on the lower conveying device are prevented from rolling off.

As a further improvement of the invention, a first sensor is arranged at one end of the workbench, which is used for being butted with the upper conveying device and the lower conveying device, the first sensor continuously senses the roller for a period of time, a signal is given to the lifting platform to control the lifting platform to lift, a second sensor is arranged on the vertical baffle, when the workbench rises to be butted with the upper conveying device, the height of the second sensor is the same as that of the roller on the lower conveying device, and when the second sensor senses the roller on the lower conveying device, the signal is given to the lifting platform to control the lifting platform to descend. According to the invention, the first sensor and the second sensor are arranged, so that the lifting of the lifting platform can be controlled, and the automation degree of the lifting platform is improved.

As a further improvement of the invention, one side of the worktable is provided with a supporting plate, and the first sensor is arranged on the supporting plate. The supporting plate is arranged, so that the first sensor can be conveniently installed, and meanwhile, the installation position of the first sensor can be improved.

As a further improvement of the invention, the device also comprises an upper steering wheel and a lower steering wheel which are arranged on a fixed object, and one ends of the upper conveying device and the lower conveying device, which are far away from the U-turn device, are respectively bent by 90 degrees around the upper steering wheel and the lower steering wheel in the direction of mutually far away. The ends, far away from the turning device, of the upper conveying device and the lower conveying device are far away from each other, so that more space can be reserved for the placement of the two ultra-precision grinding devices.

In conclusion, the beneficial effects of the invention are as follows: the invention can realize the conveying of the roller between the two super-precision grinding devices, and greatly improves the grinding efficiency of the roller compared with the prior art in which the conversion of the roller between the two super-precision grinding devices is manually completed.

Drawings

Fig. 1 is a top view of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a schematic perspective view of the docking of the turn-around device and the upper conveying device in the present invention.

Wherein: 1. an upper conveying device; 2. a lower conveying device; 3. a turning device; 4. a work table; 5. a lifting platform; 6. a material pushing device; 7. a V-shaped groove; 8. a push block; 9. a speed-regulating motor; 10. a connecting plate; 11. a vertical baffle; 12. a first sensor; 13. a second sensor; 14. a support plate; 15. an upper steering wheel; 16. a lower steering wheel; 17. the motor is driven.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

Example 1

The connection line mechanism for the lifting type roller superfinishing and turning shown in fig. 1 to 3 comprises an upper conveying device 1, a lower conveying device 2 and a turning device 3, wherein one end of the upper conveying device 1 and one end of the lower conveying device 2 are respectively used for being connected with two superfinishing grinding devices and used for receiving a roller ground by the superfinishing grinding devices or conveying the roller from the turning device 3 to the superfinishing grinding devices, the other end of the upper conveying device 1 and the other end of the lower conveying device 2 are connected with the turning device 3, and the turning device 3 is used for pushing the roller on the upper conveying device 1 to the lower conveying device 2 or pushing the roller on the lower conveying device 2 to the upper conveying device 1. When the roller grinding device is used, a roller ground by one superfinishing equipment is conveyed to the turning device 3 through the upper conveying device 1, and then conveyed to another superfinishing equipment through the lower conveying device 2 by the turning device 3 for secondary grinding, or the roller ground by the superfinishing equipment connected with the lower conveying device 2 is conveyed to the turning device 3 through the lower conveying device 2, and then conveyed to the superfinishing equipment connected with the upper conveying device for secondary grinding through the upper conveying device 1.

In this embodiment, the height of the upper conveying device 1 is greater than that of the lower conveying device 2, the upper conveying device 1 and the lower conveying device 2 are located on the same side of the U-turn device 3, the U-turn device 3 comprises a workbench 4, a lifting table 5 and a material pushing device 6, the workbench 4 is arranged on the lifting table 5 and moves up and down along with the lifting of the lifting table 5, the workbench in this embodiment is detachably mounted on the lifting table 5, if the workbench 4 is detachably mounted by bolts, the workbench 4 moves upwards, one end of the workbench is in butt joint with the upper conveying device 1, the workbench 4 moves downwards, one end of the workbench is in butt joint with the lower conveying device 2, and the material pushing device 6 is arranged at one end, far away from the upper conveying device 1 and the lower conveying device 2, of the workbench 4 and used for pushing rollers on the workbench 4 to the upper conveying device 1 or the lower conveying device 2. The lifting platform 5 in this embodiment is an electric lifting platform driven by a driving motor 17 to lift, and the electric lifting platform in this embodiment is a conventional one, and the structure of this embodiment is not described in detail.

In order to limit the rolling direction of the roller on the workbench 4, in the embodiment, the upper surface of one end of the workbench 4, which is far away from the material pushing device 6, is provided with the V-shaped groove 7, and in a use state, the roller rolls in the V-shaped groove 7 and can only roll along the length direction of the V-shaped groove 7. The material pushing device 6 is preferably made of an air cylinder, a cylinder body of the air cylinder is detachably mounted at one end, far away from the upper conveying device 1 and the lower conveying device 2, of the upper surface of the workbench 4, a piston rod of the air cylinder horizontally stretches along the length direction of the V-shaped groove 7, a pushing block 8 is arranged at the end portion of the piston rod of the air cylinder, the bottom of the pushing block 8 is located in the V-shaped groove 7 and matched with the V-shaped groove 7 in shape, the bottom of the pushing block 8 horizontally slides in the V-shaped groove 7 along with the stretching of the piston rod and is used for pushing a roller in the V-shaped groove 7 onto the upper conveying device 1 or the lower conveying device 2, and the pushing block 8 in the embodiment is preferably made of nylon materials so as to avoid damage to the surface of the roller.

The upper conveying device 1 and the lower conveying device 2 in the embodiment have the same structure and respectively comprise a support frame, a V-shaped chain plate and a speed regulating motor 9, the V-shaped chain plate is arranged on the support frame and is driven by the speed regulating motor 9 to be conveyed on the support frame, and the speed regulating motor 9 is arranged on the support frame.

In the embodiment, the connecting plate 10 is arranged at one end, close to the U-turn device 3, of the support frame, the cross section of the middle part of the connecting plate 10 is in a V shape which is the same as the cross section of the V-shaped chain plate, two side surfaces of the connecting plate 10 are respectively coplanar with two side surfaces of the V-shaped chain plate, and one end, far away from the V-shaped chain plate, of the connecting plate 10 is used for being butted with the workbench 4.

When the device is used, the workbench 4 firstly descends to a position where one end of the workbench is in butt joint with one end of the lower conveying device 2, meanwhile, a piston rod of the air cylinder contracts to pull the push block 8 towards a direction away from the lower conveying device 2, a roller ground by the superfinishing equipment connected with the lower conveying device 2 is conveyed into the V-shaped groove 7 on the workbench 4 through the lower conveying device 2, the lifting table 5 ascends to push the workbench 4 upwards to a position where one end of the workbench 4 is in butt joint with one end of the upper conveying device 1, the piston rod of the air cylinder extends again to push the roller onto the upper conveying device 1, the roller is conveyed into the superfinishing equipment connected with the upper conveying device 1 through the upper conveying device 1, and secondary grinding is carried out on the roller.

Example 2

Compared with embodiment 1, the embodiment is further improved on the basis of embodiment 1, in the embodiment, the vertical baffle 11 is arranged at the bottom of the workbench 4, the vertical baffle 11 moves synchronously along with the vertical movement of the lifting table 5, when the workbench 4 moves upwards to be in butt joint with the upper conveying device 1, the end part of the lower conveying device 2 is blocked below the vertical baffle 11, so that the balls on the lower conveying device 2 can be prevented from falling off, and the top end of the vertical baffle 11 in the embodiment can be welded and fixed at the bottom of the workbench 4.

In the embodiment, a first sensor 12 is arranged at one end of a workbench 4 for butting with an upper conveying device 1 and a lower conveying device 2, the first sensor 12 continuously senses rollers for a period of time, a driving motor 17 signal is given to a lifting platform to control the lifting platform 5 to lift, a second sensor 13 is arranged on a vertical baffle 11, when the workbench 4 is lifted to be butted with the upper conveying device 1, the height of the second sensor 13 is the same as that of the rollers on the lower conveying device 2, and when the second sensor 13 senses the rollers on the lower conveying device 2, the driving motor 17 signal is given to the lifting platform to control the lifting platform 5 to descend. In order to facilitate the installation of the first sensor 12, the present embodiment is provided with a support plate 14 on one side of the worktable 4, the first sensor 12 is installed on the support plate 14, the support plate 14 in the present embodiment is welded and fixed on one side of the worktable 4, and the driving motor 17 in the present embodiment is a servo motor. The structure of the rest of this embodiment is the same as that of embodiment 1, and embodiment 1 may be referred to specifically, and details are not repeated in this embodiment.

The action signals of the embodiment are as follows: the first sensor 12 arranged on the side face of the working platform 4 continuously senses the roller for a period of time after the roller is fully stacked in the V-shaped groove 7 on the working platform 4, a signal is given to the driving motor 17 of the lifting platform 4 to enable the lifting platform 5 to rise, the vertical baffle 11 below the working platform 4 blocks the roller which continuously feeds materials at the back, when the lifting platform 4 rises to a corresponding height, the second sensor 13 senses the roller and then gives a signal to enable the piston rod of the cylinder to extend to push out the roller, at the moment, the roller cannot be sensed by the first sensor 12 on the side face, meanwhile, the roller is sensed by the second sensor 13 below, the driving motor 17 of the lifting platform 4 reversely rotates and descends under the signal transmission, and all actions are completed.

Example 3

The present embodiment is a further improvement on embodiment 1 or embodiment, and compared with embodiment 1 or embodiment 2, the present embodiment further includes an upper steering wheel 15 and a lower steering wheel 16 disposed on a fixed object, the fixed object in the present embodiment may be a frame, etc., one end of the upper conveying device 1 and one end of the lower conveying device 2 away from the turning device 3 are respectively bent by 90 degrees around the upper steering wheel 15 and the lower steering wheel 16 in a direction away from each other, and one ends of the upper conveying device and the lower conveying device away from the turning device 3 in the present embodiment are mutually staggered, so as to leave enough space for placing two superfinishing apparatuses.

The invention can connect two superfine grinding devices and finish the turning of the roller through the lifting platform, and has high automation degree and efficiency, simple structure and small occupied space.

Parts which are not specifically described in the above description are prior art or can be realized by the prior art. The specific embodiments of the present invention are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention. That is, all equivalent changes and modifications made according to the contents of the claims of the present invention should be regarded as the technical scope of the present invention.

Claims

1. The connecting mechanism of the lifting type roller ultra-fine grinding and turning head is characterized in that: it comprises an upper conveying device (1), a lower conveying device (2) and a turning device (3), an upper conveying device (1) and a lower conveying device One end of (2) is respectively used to connect with two ultra-fine grinding equipment for receiving the rollers ground by the ultra-fine grinding equipment or transporting the rollers to the ultra-fine grinding equipment, the upper conveying device (1) and the lower conveying device The other end of the device (2) is connected to the turning device (3), and the turning device (3) is used to push the rollers on the upper conveying device (1) onto the lower conveying device (2) or to move the lower conveying device (2) The upper rollers are pushed onto the upper conveyor (1).

2 . The connecting mechanism of the lifting type roller superfine grinding U-turn according to claim 1 , wherein the height of the upper conveying device ( 1 ) is greater than that of the lower conveying device ( 2 ), and the turning device ( 3 ) comprises: 2 . The worktable (4), the lifting table (5) and the pushing device (6), the worktable (4) is arranged on the lifting table (5) and moves up and down with the lifting of the lifting table (5), the worktable (4) Move upward, one end of which is docked with the upper conveying device (1), the worktable (4) moves downward, and one end is docked with the lower conveying device (2), and the pushing device (6) is arranged on the worktable (4) away from the upper One end of the conveying device (1) and the lower conveying device (2) is used to push the rollers on the workbench (4) to the upper conveying device (1) or the lower conveying device (2).

3. The connecting mechanism of the lifting type roller ultra-fine grinding head according to claim 3, characterized in that: a V-shaped groove (7) is provided on the upper surface of one end of the worktable (4) away from the pushing device (6). ), the rollers roll in the V-groove (7) when in use.

4 . The connecting mechanism of the lifting type roller superfine grinding head according to claim 3 , wherein the pushing device ( 6 ) is an air cylinder, and the piston rod of the air cylinder is along the length direction of the V-shaped groove ( 7 ). 5 . Telescopic, the end of the piston rod of the cylinder is provided with a push block (8), and the bottom of the push block (8) is located in the V-shaped groove (7) and matches the shape of the V-shaped groove (7). The bottom slides horizontally in the V-shaped groove (7) with the expansion and contraction of the piston rod, and is used to push the rollers in the V-shaped groove (7) to the upper conveying device (1) or the lower conveying device (2).

5. The connecting mechanism of the lifting type roller ultra-fine grinding head according to claim 4, characterized in that: the upper conveying device (1) and the lower conveying device (2) both comprise a support frame, a V-shaped chain plate and an adjustment The speed motor (9), the V-shaped chain plate is arranged on the support frame and is driven by the speed control motor (9) to transmit on the support frame, and the speed control motor (9) is installed on the support frame.

6. The connecting mechanism of the lifting type roller ultra-fine grinding U-turn according to claim 5, characterized in that: one end of the support frame close to the turning device (3) is provided with a connecting plate (10), and the connecting plate (10) The cross-section of the middle part is V-shaped with the same cross-sectional shape as the V-shaped chain plate, the two sides of the connecting plate (10) are coplanar with the two sides of the V-shaped chain plate, and the connecting plate (10) is away from one end of the V-shaped chain plate. For docking with workbench (4).

7 . The connecting mechanism of the lifting type roller ultra-fine grinding head according to claim 6 , wherein: the bottom of the worktable ( 4 ) is provided with a vertical baffle ( 11 ), and the vertical baffle ( 11 ) It moves synchronously with the vertical movement of the lift table (5), and when the worktable (4) moves up to the docking with the upper conveying device (1), the bottom of the vertical baffle (11) blocks the end of the lower conveying device (2). department.

8. The connecting mechanism of the lifting type roller ultra-fine grinding head according to claim 7, characterized in that: the worktable (4) is used for docking with the upper conveying device (1) and the lower conveying device (2). One end is provided with a first sensor (12), the first sensor (12) continuously senses the roller for a period of time, and sends a signal to the lifting platform to control the lifting platform (5) to rise, and the vertical baffle (11) is provided with a second sensor (13), when the worktable (4) rises to be docked with the upper conveying device (1), the height of the second sensor (13) is the same as the height of the rollers on the lower conveying device (2), and the second sensor ( 13) When the rollers on the lower conveying device (2) are sensed, a signal is given to the lifting platform to control the lifting platform (5) to descend.

9 . The connecting mechanism of the lifting type roller superfinishing turning head according to claim 8 , characterized in that: a support plate ( 14 ) is provided on one side of the work table ( 4 ), and the first sensor ( 12 ) is installed on the on the support plate (14).

10. The connecting mechanism of the lifting type roller ultra-fine grinding U-turn according to any one of claims 1 to 9, characterized in that: further comprising an upper steering wheel (15) and a lower steering wheel (15) arranged on the fixed object. 16), the ends of the upper conveying device (1) and the lower conveying device (2) away from the turning device (3) are respectively bent by 90 degrees around the upper steering wheel (15) and the lower steering wheel (16) in the direction away from each other.