CN217191870U

CN217191870U - Novel one-way mandrel

Info

Publication number: CN217191870U
Application number: CN202220384435.0U
Authority: CN
Inventors: 孟伟; 张丽; 孟亚东; 毛强; 毕子芮
Original assignee: Sichuan Weichuang Intelligent Technology Co ltd
Current assignee: Sichuan Weichuang Intelligent Technology Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-08-16
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses a novel one-way mandrel, which comprises a mandrel cavity, wherein a jackscrew is arranged in the mandrel cavity, a spring is arranged at the top end of the jackscrew, a mandril is arranged at the top end of the spring, an installation mechanism is arranged at the top end of the mandril, the top end of the mounting mechanism extends to the outside of the mandrel cavity, the top end of the mounting mechanism is provided with a one-way head, the bottom end in the core shaft cavity is provided with the adjusting mechanism, the bottom end in the core shaft cavity of the utility model is provided with the adjusting mechanism, and the cavity, the movable plate, the threaded rod, the threaded sleeve, the transmission tooth, the installation cavity, the driving gear, the servo motor, the limiting groove, the limiting rail, the limiting rod and the limiting sleeve of the adjusting mechanism are mutually matched, the position of jackscrew can be adjusted for this dabber need not the length through adjusting spring when using, labour saving and time saving, thereby has improved the convenience of this one-way dabber when using greatly.

Description

Novel one-way mandrel

Technical Field

The utility model relates to a mechanical tool technical field especially relates to a novel one-way dabber.

Background

With the development of economy and the continuous improvement of the technological level, the mechanical industry in China develops very rapidly, the one-way mandrel is mainly used for a copper pipe bending machine and a U-shaped bending machine, and in the pipe bending process, in order to reduce friction generated when a core head and a pipe are bent, the core head of the one-way mandrel rotates along with the bending of the pipe.

At present, current one-way dabber is when using because the position of inconvenient degree to the jackscrew is adjusted for the effort of spring to the ejector pin is fixed, and inconvenient thickness according to the copper pipe of bending, and carries out convenient regulation.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a novel one-way mandrel.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

the utility model provides a novel one-way dabber, includes the dabber chamber, the internally mounted in dabber chamber has the jackscrew, the spring is installed on the top of jackscrew, the ejector pin is installed on the top of spring, the top of ejector pin is provided with installation mechanism, installation mechanism's top extends to the outside in dabber chamber, the one-way head is installed on installation mechanism's top, the bottom of dabber intracavity portion is provided with adjustment mechanism.

Further, adjustment mechanism includes drive assembly and spacing subassembly, drive assembly includes cavity, fly leaf, threaded rod, thread bush and power component, the cavity is installed in the bottom of mandrel intracavity portion, the inside of cavity is provided with the fly leaf, the threaded rod is installed on the top of fly leaf, the one end of threaded rod extends to the outside of cavity, the top of threaded rod is connected with the bottom of jackscrew, the lateral wall of threaded rod is provided with the thread bush, the one end of thread bush extends to the outside of cavity.

Furthermore, power component includes driving tooth, installation cavity, driving gear and servo motor, the driving tooth is installed in the lateral wall of thread bush, the installation cavity is installed in one side of mandrel cavity, the internally mounted of installation cavity has the driving gear, there is servo motor the bottom of installation cavity, servo motor's output is connected with the one end of driving gear.

Furthermore, the transmission teeth are designed in an annular shape, and the driving gear is meshed with the transmission teeth.

Further, spacing subassembly includes spacing groove, spacing rail, gag lever post, stop collar, the spacing groove sets up in the below of thread bush lateral wall, spacing rail is installed in the top of cavity inner wall, the gag lever post is installed in the inside below of cavity, the lateral wall of gag lever post is provided with the stop collar, the one end of stop collar is connected with the one end of fly leaf.

Furthermore, the cross section of the limiting groove is larger than that of the limiting rail, and a rotating structure is formed between the limiting groove and the limiting rail.

Furthermore, the outer diameter of the limiting rod is smaller than the inner diameter of the limiting sleeve, and a sliding structure is formed between the limiting rod and the limiting sleeve.

Further, installation mechanism includes mount pad, locating lever and connecting rod, the mount pad is installed on the top of ejector pin, the internally mounted of mount pad has the connecting rod, the top and the one-way bottom of head of connecting rod are connected, the mount pad has the locating lever with the inside of connecting rod runs through.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses be provided with adjustment mechanism in the bottom of dabber intracavity portion, utilize the cavity of adjustment mechanism, fly leaf, threaded rod, thread bush, driving tooth, installation cavity, driving gear, servo motor, spacing groove, spacing rail, gag lever post and the mutual cooperation of stop collar, can adjust the position of jackscrew for this dabber need not to pass through the length of adjusting spring when using, labour saving and time saving, thereby improved the convenience of this one-way dabber when using greatly;

2. the utility model discloses be provided with installation mechanism on the top of ejector pin, utilize mutually supporting of installation mechanism's mount pad, locating lever and connecting rod, can stabilize the installation to one-way head for it is more convenient that one-way head installs when damaging, thereby has improved the practicality of this one-way dabber when using greatly.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic front sectional view of the adjusting mechanism of the present embodiment;

fig. 3 is a schematic diagram of a partial enlarged structure at a in fig. 2 according to the present embodiment.

In the figure: 1. a mandrel cavity; 2. carrying out top thread; 3. a spring; 4. a top rod; 5. a mounting seat; 6. a one-way head; 7. a cavity; 8. a movable plate; 9. a threaded rod; 10. a threaded sleeve; 11. a transmission tooth; 12. a mounting cavity; 13. a driving gear; 14. a servo motor; 15. a limiting groove; 16. a limit rail; 17. a limiting rod; 18. a limiting sleeve; 19. positioning a rod; 20. a connecting rod.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, a novel one-way mandrel comprises a mandrel cavity 1, a jackscrew 2 is installed inside the mandrel cavity 1, a spring 3 is installed at the top end of the jackscrew 2, a mandril 4 is installed at the top end of the spring 3, an installation mechanism is arranged at the top end of the mandril 4, the top end of the installation mechanism extends to the outside of the mandrel cavity 1, a one-way head 6 is installed at the top end of the installation mechanism, and an adjusting mechanism is arranged at the bottom end inside the mandrel cavity 1;

the adjusting mechanism comprises a transmission assembly and a limiting assembly, the transmission assembly comprises a cavity 7, a movable plate 8, a threaded rod 9, a threaded sleeve 10 and a power assembly, the cavity 7 is installed at the bottom end inside a mandrel cavity 1, the movable plate 8 is arranged inside the cavity 7, the threaded rod 9 is installed at the top end of the movable plate 8, one end of the threaded rod 9 extends to the outside of the cavity 7, the top end of the threaded rod 9 is connected with the bottom end of a jackscrew 2, the threaded sleeve 10 is arranged on the outer side wall of the threaded rod 9, one end of the threaded sleeve 10 extends to the outside of the cavity 7, the power assembly comprises a transmission tooth 11, an installation cavity 12, a driving gear 13 and a servo motor 14, the transmission tooth 11 is installed on the outer side wall of the threaded sleeve 10, the installation cavity 12 is installed on one side of the mandrel cavity 1, the driving gear 13 is installed inside the installation cavity 12, the servo motor 14 is arranged at the bottom end of the installation cavity 12, the output end of the servo motor 14 is connected with one end of the driving gear 13, the transmission teeth 11 are designed in an annular shape, the driving gear 13 is meshed with the transmission teeth 11, the limiting component comprises a limiting groove 15, a limiting rail 16, a limiting rod 17 and a limiting sleeve 18, the limiting groove 15 is arranged below the outer side wall of the threaded sleeve 10, the limiting rail 16 is arranged above the inner wall of the cavity 7, the limiting rod 17 is arranged below the inner part of the cavity 7, the limiting sleeve 18 is arranged on the outer side wall of the limiting rod 17, one end of the limiting sleeve 18 is connected with one end of the movable plate 8, the cross section of the limiting groove 15 is larger than that of the limiting rail 16, a rotating structure is formed between the limiting groove 15 and the limiting rail 16, the outer diameter of the limiting rod 17 is smaller than the inner diameter of the limiting sleeve 18, a sliding structure is formed between the limiting rod 17 and the limiting sleeve 18, when the driving gear is used, the servo motor 14 is started to drive the driving gear 13 to rotate, and the transmission teeth 11 are meshed with each other, so that under the limiting of the limiting groove 15 and the limiting rail 16, the driving teeth 11 drive the threaded sleeve 10 to rotate, and the threaded sleeve 10 is in threaded connection with the threaded rod 9, so that the threaded rod 9 is driven to move up and down under the limiting of the limiting rod 17 and the limiting sleeve 18, and a worker adjusts the jackscrew 2 to a proper position according to actual conditions, so that the length of the spring 3 does not need to be adjusted when the one-way mandrel is used, time and labor are saved, and the convenience of the one-way mandrel in use is greatly improved;

installation mechanism includes mount pad 5, locating lever 19 and connecting rod 20, mount pad 5 is installed in the top of ejector pin 4, the internally mounted of mount pad 5 has connecting rod 20, the top of connecting rod 20 is connected with one-way first 6 bottom, mount pad 5 runs through there is locating lever 19 with the inside of connecting rod 20, when one-way first 6 fracture, when needing to change one-way head 6, take out locating lever 19 from mount pad 5 and connecting rod 20's inside, then pull down connecting rod 20 from mount pad 5's inside, take out new one-way head 6 again, place into mount pad 5's inside with connecting rod 20, utilize locating lever 19 to carry out spacing fixed to connecting rod 20, accomplish the convenient change of one-way head 6, thereby the practicality of this one-way dabber when using has been improved greatly.

The working principle is as follows: the working personnel firstly start the servo motor 14 to drive the driving gear 13 to rotate, the driving gear 13 is meshed with the transmission teeth 11, so the threaded sleeve 10 is driven to rotate through the transmission teeth 11 under the limit of the limit groove 15 and the limit rail 16, the threaded sleeve 10 is connected with the threaded rod 9 through threads, the threaded rod 9 is driven to move up and down under the limit of the limit rod 17 and the limit sleeve 18, the working personnel adjust the jackscrew 2 to a proper position according to actual conditions, so that the length of the one-way mandrel is not required to be adjusted through the adjusting spring 3 when in use, time and labor are saved, the convenience of the one-way mandrel in use is greatly improved, then the one-way mandrel can be used, when the one-way head 6 is broken and needs to be replaced, the positioning rod 19 is taken out from the mounting seat 5 and the connecting rod 20, then the connecting rod 20 is taken out from the mounting seat 5, and then taking out the new one-way head 6, placing the connecting rod 20 into the mounting seat 5, and utilizing the positioning rod 19 to carry out limiting fixation on the connecting rod 20 to complete convenient replacement of the one-way head 6, thereby greatly improving the practicability of the one-way mandrel when in use.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a novel one-way dabber, includes dabber chamber (1), its characterized in that: the utility model discloses a mandrel cavity, including mandrel cavity (1), spring (3) are installed on the top of jackscrew (2), ejector pin (4) are installed on the top of spring (3), the top of ejector pin (4) is provided with installation mechanism, installation mechanism's top extends to the outside in mandrel cavity (1), one-way head (6) are installed on installation mechanism's top, the inside bottom in mandrel cavity (1) is provided with adjustment mechanism.

2. A novel one-way mandrel as claimed in claim 1, wherein: adjustment mechanism includes drive assembly and spacing subassembly, drive assembly includes cavity (7), fly leaf (8), threaded rod (9), thread bush (10) and power component, install in the inside bottom in mandrel chamber (1) cavity (7), the inside of cavity (7) is provided with fly leaf (8), threaded rod (9) are installed on the top of fly leaf (8), the one end of threaded rod (9) extends to the outside of cavity (7), the top of threaded rod (9) is connected with the bottom of jackscrew (2), the lateral wall of threaded rod (9) is provided with thread bush (10), the one end of thread bush (10) extends to the outside of cavity (7).

3. A novel one-way mandrel as claimed in claim 2 wherein: power component includes driving tooth (11), installation cavity (12), driving gear (13) and servo motor (14), install in the lateral wall of thread bush (10) driving tooth (11), install in one side of dabber chamber (1) installation cavity (12), the internally mounted of installation cavity (12) has driving gear (13), there is servo motor (14) the bottom of installation cavity (12), the output of servo motor (14) is connected with the one end of driving gear (13).

4. A novel one-way mandrel as claimed in claim 3 wherein: the transmission teeth (11) are designed in an annular shape, and the driving gear (13) is meshed with the transmission teeth (11).

5. A novel one-way mandrel as claimed in claim 2 wherein: the limiting assembly comprises a limiting groove (15), a limiting rail (16), a limiting rod (17) and a limiting sleeve (18), the limiting groove (15) is arranged below the outer side wall of the threaded sleeve (10), the limiting rail (16) is arranged above the inner wall of the cavity (7), the limiting rod (17) is arranged below the inner part of the cavity (7), the outer side wall of the limiting rod (17) is provided with the limiting sleeve (18), and one end of the limiting sleeve (18) is connected with one end of the movable plate (8).

6. A novel one-way mandrel as claimed in claim 5 wherein: the cross section of the limiting groove (15) is larger than that of the limiting rail (16), and a rotating structure is formed between the limiting groove (15) and the limiting rail (16).

7. A novel one-way mandrel as claimed in claim 5 wherein: the outer diameter of the limiting rod (17) is smaller than the inner diameter of the limiting sleeve (18), and a sliding structure is formed between the limiting rod (17) and the limiting sleeve (18).

8. A novel one-way mandrel as claimed in claim 1 wherein: installation mechanism includes mount pad (5), locating lever (19) and connecting rod (20), mount pad (5) are installed on the top of ejector pin (4), the internally mounted of mount pad (5) has connecting rod (20), the top of connecting rod (20) is connected with the bottom of one-way head (6), mount pad (5) and the inside of connecting rod (20) run through there are locating lever (19).