CN211031319U

CN211031319U - Synchronous error compensation arrangement of powder press core bar transmission

Info

Publication number: CN211031319U
Application number: CN201921850317.9U
Authority: CN
Inventors: 吴向忠; 高明铭; 张虹; 李姝婷
Original assignee: Xiangtan Xinyun Technology Co ltd
Current assignee: Xiangtan Xinyun Technology Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-07-17
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a synchronous error compensation arrangement of powder press core rod transmission, the test platform comprises a support, the upper end of frame is provided with the backup pad, the one end of backup pad is provided with fourth fixing bolt, between backup pad and the frame by fourth fixing bolt fixed connection, sliding connection has the drive seat in the backup pad. The utility model discloses in, the core bar clamping is downthehole at the core bar clamping, it is fixed with the core bar through spacing hole, the piston rod of cylinder keeps the top pressure, the drive shaft shifts up the core bar chuck, thereby make core bar upper surface and die cavity upper surface parallel and level, cylinder cavity of resorption switches the low pressure air feed before starting to suppress, the epicoele communicates with each other with the atmosphere, after starting to suppress, go up the pressure head and push down 0.2mm back drive shaft and begin work, after producing positioning error and following the error, because the cylinder has constituted the spring action of invariable power, can make the tight laminating of core bar upper surface upper pressure head lower surface all the time, guaranteed that the atress can not lead to the crooked and.

Description

Synchronous error compensation arrangement of powder press core bar transmission

Technical Field

The utility model relates to a powder press inner structure technical field especially relates to a powder press core bar transmission synchronization error compensation arrangement.

Background

When a high-precision servo powder press presses a precise numerical control blade blank, a middle core rod is required for forming a hole in the blade blank, the core rod is required to be flush with the upper surface of a die cavity when the core rod starts to be filled in work, the upper surface of the core rod is required to be tightly attached to the bottom surface of an upper pressure head in the pressing process, the diameter of the core rod is limited, the core rod is a slender rod piece, the working characteristic of the core rod is required to ensure that the driving synchronous error of the core rod and the upper pressure head is zero, otherwise, the core rod is bent and clamped in the die, or the hole burr in a. However, the servo control drive has positioning error and following error certainly, and the drive synchronous error of the core rod and the upper pressure head cannot be guaranteed to be zero.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a synchronous error compensation device for the transmission of a core rod of a powder press.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a synchronous error compensation arrangement of powder press core bar transmission, includes the frame, the upper end of frame is provided with the backup pad, the one end of backup pad is provided with fourth fixing bolt, by between backup pad and the frame fourth fixing bolt fixed connection, sliding connection has drive the seat in the backup pad, drive the inside of seat and seted up the drive groove, drive inslot threaded connection has the drive shaft, drive the upper end fixedly connected with base of seat, the upper end fixedly connected with cylinder of base, the inside of cylinder is provided with the piston rod, the upper end of piston rod is provided with the lower extreme cover, the lower extreme cover with threaded connection has first fixing bolt between the piston rod, the upper end of lower extreme cover is provided with the upper end cover, threaded connection has a plurality of third fixing bolt between upper end cover and the lower extreme cover.

As a further description of the above technical solution:

the upper end of the upper end cover is provided with a core rod chuck, and a second fixing bolt is connected between the upper end cover and the core rod chuck in a threaded manner.

As a further description of the above technical solution:

the core rod clamping head is internally provided with a core rod clamping hole, and one side of the core rod clamping head is provided with a limiting hole.

As a further description of the above technical solution:

the outer end fixedly connected with casing of base, the piston rod runs through the up end of casing.

As a further description of the above technical solution:

the front end of the cylinder is fixedly connected with an upper cavity air pipe connector and a lower cavity air pipe connector through threads.

As a further description of the above technical solution:

the upper cavity air pipe joint and the lower cavity air pipe joint are respectively and fixedly connected with an upper cavity pipeline and a lower cavity pipeline, and fifth fixing bolts are arranged at two ends of the supporting plate.

The utility model discloses following beneficial effect has:

when the powder pressure machine core rod transmission synchronous error compensation device is used, the core rod is firstly clamped in the core rod clamping hole through the core rod clamping head, the cylinder, the driving seat, the driving shaft, the machine seat, the limiting hole and the core rod clamping hole, the core bar is fixed through the limiting hole, when the device works, firstly, the piston rod of the air cylinder keeps the upward jacking pressure, the driving shaft rotates to move the driving seat upwards, the core bar chuck moves upwards along with the driving shaft, so that the upper surface of the core rod is flush with the upper surface of the die cavity, the lower cavity of the cylinder is switched to supply gas at low pressure before pressing, the upper cavity is communicated with the atmosphere, after pressing is started, after the upper pressure head is pressed down by 0.2mm, the driving shaft starts to work, and after a positioning error and a following error are generated, because the cylinder forms the spring action of constant force, the upper surface of the core rod is always tightly attached to the lower surface of the upper pressure head, and the bending of the core rod and the quality of a finished product cannot be caused by stress.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

illustration of the drawings:

1. a housing; 2. a piston rod; 3. a first fixing bolt; 4. an upper end cover; 5. a limiting hole; 6. a core bar chuck; 7. the core rod is provided with a clamping hole; 8. a second fixing bolt; 9. a third fixing bolt; 10. a lower end cover; 11. a cylinder; 12. a base; 13. a driving seat; 14. a fourth fixing bolt; 15. a drive shaft; 16. A machine base; 17. a support plate; 18. a fifth fixing bolt; 19. a drive slot; 20. a lower cavity pipeline; 21. An upper cavity conduit; 22. a lower cavity air pipe joint; 23. the upper cavity trachea connects.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the present invention provides an embodiment: the utility model provides a synchronous error compensation arrangement of powder press core bar transmission, including frame 16, the upper end of frame 16 is provided with backup pad 17, the one end of backup pad 17 is provided with fourth fixing bolt 14, by fourth fixing bolt 14 fixed connection between backup pad 17 and the frame 16, sliding connection drives drive seat 13 on the backup pad 17, drive groove 19 has been seted up to the inside of

driving drive seat

13, 19 female connection in drive groove has drive shaft 15, the upper end fixedly connected with base 12 who drives drive seat 13, the upper end fixedly connected with cylinder 11 of base 12, the inside of cylinder 11 is provided with piston rod 2, the upper end of piston rod 2 is provided with lower end cover 10, threaded connection has first fixing bolt 3 between lower end cover 10 and the piston rod 2, the upper end of lower end cover 10 is provided with upper end cover 4, threaded connection has a plurality of third fixing bolt 9 between upper end cover 4 and.

The upper end of the upper end cover 4 is provided with a core rod chuck 6, and a second fixing bolt 8 is in threaded connection between the upper end cover 4 and the core rod chuck 6; a core rod clamping hole 7 is formed in the core rod clamping head 6, a limiting hole 5 is formed in one side of the core rod clamping head 6, the upper end cover 4 and the core rod clamping head 6 are connected through a second fixing bolt 8 and are convenient to disassemble, the core rod clamping hole 7 formed in the core rod clamping head 6 is used for clamping a core rod, and the limiting hole 5 is used for fixing the core rod through a positioning pin; the outer end of the base 12 is fixedly connected with a shell 1, a piston rod 2 penetrates through the upper end face of the shell 1, and the shell 1 is used for protecting internal parts and isolating the internal parts from external parts; the front end of the cylinder 11 is fixedly connected with an upper cavity air pipe joint 23 and a lower cavity air pipe joint 22 through threads; an upper cavity pipeline 21 and a lower cavity pipeline 20 are fixedly connected to the upper cavity air pipe joint 23 and the lower cavity air pipe joint 22 respectively, fifth fixing bolts 18 are arranged at two ends of the supporting plate 17, and the fifth fixing bolts 18 are used for fixing the integral structure on a press machine.

The working principle is as follows: firstly, the core bar is clamped in a core bar clamping hole 7, the core bar is fixed through a limiting hole 5, when the core bar clamping device works, a piston rod 2 of an air cylinder 11 keeps an upward jacking pressure, a driving shaft 15 rotates to move a driving seat 13 upwards, a core bar clamping head 6 moves upwards along with the upward jacking pressure, so that the upper surface of the core bar is flush with the upper surface of a mold cavity, the lower cavity of the air cylinder 11 is switched to supply air at low pressure before pressing, the upper cavity is communicated with the atmosphere, after pressing, an upper pressing head presses down 0.2mm, the driving shaft 15 starts working, after a positioning error and a following error are generated, the upper surface of the core bar is always tightly attached to the lower surface of the upper pressing head due to the spring action of constant force of the air cylinder 11.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a synchronous error compensation arrangement of powder press core bar transmission, includes frame (16), its characterized in that: the upper end of frame (16) is provided with backup pad (17), the one end of backup pad (17) is provided with fourth fixing bolt (14), by between backup pad (17) and frame (16) fourth fixing bolt (14) fixed connection, sliding connection has drive seat (13) on backup pad (17), drive groove (19) have been seted up to the inside of drive seat (13), drive groove (19) female connection has drive shaft (15), the upper end fixedly connected with base (12) of drive seat (13), the upper end fixedly connected with cylinder (11) of base (12), the inside of cylinder (11) is provided with piston rod (2), the upper end of piston rod (2) is provided with lower end cover (10), lower end cover (10) with threaded connection has first fixing bolt (3) between piston rod (2), the upper end of the lower end cover (10) is provided with an upper end cover (4), and a plurality of third fixing bolts (9) are connected between the upper end cover (4) and the lower end cover (10) in a threaded mode.

2. The powder press core rod transmission synchronization error compensation device of claim 1, wherein: the upper end of the upper end cover (4) is provided with a core rod chuck (6), and a second fixing bolt (8) is in threaded connection between the upper end cover (4) and the core rod chuck (6).

3. The powder press core rod transmission synchronization error compensation device of claim 2, wherein: the core rod clamping head is characterized in that a core rod clamping hole (7) is formed in the core rod clamping head (6), and a limiting hole (5) is formed in one side of the core rod clamping head (6).

4. The powder press core rod transmission synchronization error compensation device of claim 1, wherein: the outer end fixedly connected with casing (1) of base (12), piston rod (2) run through the up end of casing (1).

5. The powder press core rod transmission synchronization error compensation device of claim 1, wherein: the front end of the air cylinder (11) is fixedly connected with an upper cavity air pipe joint (23) and a lower cavity air pipe joint (22) through threads.

6. The powder press core rod transmission synchronization error compensation device of claim 5, wherein: the upper cavity air pipe joint (23) and the lower cavity air pipe joint (22) are respectively fixedly connected with an upper cavity pipeline (21) and a lower cavity pipeline (20), and fifth fixing bolts (18) are arranged at two ends of the supporting plate (17).