CN216097547U

CN216097547U - Positioning jig for molding process of end cover of hydraulic cylinder

Info

Publication number: CN216097547U
Application number: CN202122378108.2U
Authority: CN
Inventors: 李铁成; 刘宝岭
Original assignee: Tianjin Jingkai Machinery Processing Co ltd
Current assignee: Tianjin Jingkai Machinery Processing Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-22
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a positioning jig in a molding process of an end cover of a hydraulic cylinder, which comprises an installation shell and an end cover body, wherein the middle part of the installation shell is provided with a driving rod and a driven rod in a penetrating and rotating mode, one end of the driving rod is fixedly provided with a driving gear, and the other end of the driving rod is fixedly provided with a handle through a connecting rod. According to the utility model, through the plurality of first limiting holes formed in one side of the limiting disc and the plurality of second limiting holes formed in one side of the mounting shell, which is close to the limiting disc, the first limiting holes and the second limiting holes are also in the same shape and are both in a circular arc shape, the distance value from one end to the center of the limiting disc is larger than that from the other end to the limiting disc, when the driven gear rotates, the limiting disc is driven to rotate, so that the movable rods move in the first limiting holes and the second limiting holes, the distance values among the four movable rods are changed, and the size of the end cover body placed inside can be changed, thereby achieving the effect of being applicable to circular end covers with various sizes.

Description

Positioning jig for molding process of end cover of hydraulic cylinder

Technical Field

The utility model relates to the technical field of hydraulic cylinder end cover machining, in particular to a positioning jig in a shaping process of a hydraulic cylinder end cover.

Background

The pneumatic cylinder is a more commonly used components and parts of machine-building industry, and the pneumatic cylinder comprises cylinder and end cover, piston and piston rod, sealing device, buffer and exhaust apparatus basically, and wherein the end cover has played the effect of supporting, sealed, transmission power and motion, is the indispensable important part of pneumatic cylinder, and the pneumatic cylinder end cover need bore the milling holes with the cylindrical steel spare of turning good at the in-process of making to the assembly function with the pneumatic cylinder has been realized.

However, most of the existing end covers are circular, the existing clamp can only fix a certain circular end cover singly, the existing clamp cannot be applied to end covers with various sizes at the same time, the sizes of two ends of the same end cover are different, different clamps need to be replaced when different types of end covers are machined, the work efficiency is reduced, the original clamping device cannot stably clamp the circular end cover, and the circular end cover can shake during machining, so that the positioning jig for the molding process of the end cover of the hydraulic cylinder is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a positioning jig in a molding process of a hydraulic cylinder end cover, which aims to solve the problems that a clamp needs to be replaced frequently and the clamp is unstable in clamping a circular end cover.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a positioning jig of moulding in-process of pneumatic cylinder end cover, includes installation shell and end cover body, installation shell middle part is run through to rotate and is installed driving lever and driven lever, driving lever one end fixed mounting has the driving gear, the driving lever other end has the handle through connecting rod fixed mounting, driven lever one end fixed mounting has spacing dish, driven lever other end fixed mounting has driven gear, spacing dish runs through movable mounting has the carriage release lever, carriage release lever one end fixed mounting has the clamping bar.

It is worth mentioning that the driving gear and the driven gear are mutually meshed, and the diameter value of the driven gear is equal to five times that of the driving gear.

It is worth explaining, spacing dish one side is run through the circumference equidistance and is seted up first spacing hole, the installation shell is close to spacing dish one side and is run through the circumference equidistance and has seted up the spacing hole of second, the same quantity in first spacing hole and the spacing hole of second is four and is located the coplanar, the shape in first spacing hole and the spacing hole of second is also the circular-arc equally, and the interval value of one end distance spacing dish center is greater than the interval value of the other end distance spacing dish.

It is worth to say that the included angle of the side of the clamping rod close to the end cover body is 150-170 degrees, and the length value of the clamping rod is equal to 0.05-0.025 times of the circumference value of the limiting disc.

It is worth to say that, a third limiting hole is formed in one side of the mounting shell in a penetrating mode, the number of the third limiting holes is five, the third limiting holes are mounted at equal intervals, and the maximum distance value of the five third limiting holes is equal to the width value of the gear groove of the driven gear.

It is worth to say that, the third spacing hole middle part is run through demountable installation and is had the gag lever post, the length value of gag lever post is greater than the outer wall width value of installation shell.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the plurality of first limiting holes formed in one side of the limiting disc and the plurality of second limiting holes formed in one side of the mounting shell, which is close to the limiting disc, the first limiting holes and the second limiting holes are also in the same shape and are both in a circular arc shape, the distance value from one end to the center of the limiting disc is larger than that from the other end to the limiting disc, when the driven gear rotates, the limiting disc is driven to rotate, so that the movable rods move in the first limiting holes and the second limiting holes, the distance values among the four movable rods are changed, and the size of the end cover body placed inside can be changed, thereby achieving the effect of being applicable to circular end covers with various sizes.

2. According to the utility model, through the plurality of third limiting holes, when the driven gear rotates at any angle, one third limiting hole is positioned in one gear of the driven gear, the limiting rod is inserted into the third limiting hole at a proper position, the middle part of the limiting rod is contacted with the gear groove of the driven gear, the driven gear is prevented from moving, and therefore, the effect that the end cover is stable and cannot shake after being fixed is achieved.

Drawings

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

FIG. 2 is a schematic side view of the overall structure of the present invention;

FIG. 3 is a schematic view of the back of the overall structure of the present invention;

FIG. 4 is an enlarged view of the portion A of FIG. 3 according to the present invention.

In the figure: 1. mounting a shell; 2. a driving lever; 3. a connecting rod; 4. a handle; 5. a driving gear; 6. a driven lever; 7. a driven gear; 8. a limiting disc; 9. a first limit hole; 10. a second limiting hole; 12. a travel bar; 13. a clamping bar; 14. an end cap body; 15. a limiting rod; 16. and a third limiting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a positioning jig of moulding in-process of pneumatic cylinder end cover, including installation shell 1 and

end cover body

14, 1 middle part of installation shell is run through to rotate and is installed drive lever 2 and driven lever 6, 2 one end fixed mounting of drive lever have driving gear 5, 2 other ends of drive lever have handle 4 through 3 fixed mounting of connecting rod, 6 one end fixed mounting of driven lever have spacing dish 8, 6 other end fixed mounting of driven lever have driven gear 7, spacing dish 8 runs through movable mounting has

carriage release lever

12, 12 one end fixed mounting of carriage release lever has clamping bar 13.

Wherein, driving gear 5 and driven gear 7 intermeshing for rotating handle 4 and driving lever 2 and rotating, and then driving gear 5 rotates, driven gear 7 follows and rotates together, and driven gear 7's diameter value equals the five times of the diameter value of driving gear 5, increases the difference in rotational speed between driven gear 7 and the driving gear 5, and driven gear 7 rotates the round when driving gear 5 rotates many rings, the better interval of adjusting between a plurality of clamping bars 13.

Wherein, spacing dish 8 one side is run through the circumference equidistance and has been seted up first spacing hole 9, installation shell 1 is close to spacing dish 8 one side and is run through the circumference equidistance and has been seted up the spacing hole 10 of second, the same quantity of first spacing hole 9 and the spacing hole 10 of second is four and is located the coplanar, the shape of first spacing hole 9 and the spacing hole 10 of second is also the circular-arc equally, and one end is greater than the spacing value of the spacing dish 8 center of other end distance apart from spacing dish 8, drive spacing dish 8 and rotate when driven gear 7 rotates, make carriage release lever 12 remove in first spacing hole 9 and the spacing hole 10 of second, the spacing value between four carriage release levers 12 has been changed, the size of the inside end cover body 14 of placing can change.

The included angle of the clamping rod 13 near the end cap 14 is 150 degrees and 170 degrees, so that two positions on one side inside the clamping rod 13 can touch the outer wall of the end cap 14 to increase the contact area and further increase the stability during the position limiting, the length value of the clamping rod 13 is equal to 0.05-0.025 times of the value of the circumference of the limiting disc 8, and the position limiting can still be performed by touching when the size of the end cap 14 changes.

Wherein, the installation shell 1 one side is run through and is seted up third spacing hole 16, and the quantity of third spacing hole 16 is five and is the equidistance installation, and the maximum interval value of five third spacing holes 16 equals the width value of driven gear 7 gear groove, and when driven gear 7 rotated optional position and angle, one of them third spacing hole 16 all can be located a gear of driven gear 7.

Wherein, but the demountable installation is run through at the 16 middle parts of third spacing hole has gag lever post 15, and the length value of gag lever post 15 is greater than the outer wall width value of installation shell 1, inserts gag lever post 15 in the third spacing hole 16 of suitable position, and gag lever post 15 middle part and driven gear 7's gear groove touching prevents that driven gear 7 from removing.

The working principle is as follows: when in use, the end cover body 14 is firstly placed in the middle of the clamping rod 13, then the handle 4 is rotated to drive the driving rod 2 to rotate, thereby driving the driving gear 5 to rotate, the driven gear 7 rotates along with the driving gear, the driven gear 7 drives the limiting disc 8 to rotate when rotating, so that the movable rods 12 move in the first limit holes 9 and the second limit holes 10, the spacing values between the four movable rods 12 are changed, the included angle of the clamping rod 13 close to one side of the end cover body 14 is an obtuse angle, so that two positions on one side inside the clamping rod 13 can touch the outer wall of the end cover body 14, the contact area is increased, and the stability during limiting is further increased, when the clamping rod 13 clamps the end cover body 14, the limiting rod 15 is inserted into the third limiting hole 16 at a proper position, the gear groove touching of gag lever post 15 middle part and driven gear 7 prevents that driven gear 7 from removing, and it can to process at opposite end lid 14.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, and furthermore, the terms "comprise", "include", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a positioning jig in moulding in-process of pneumatic cylinder end cover, includes installation shell (1) and end lid body (14), its characterized in that: install driving lever (2) and driven lever (6) in the middle part of installation shell (1) through rotating, driving lever (2) one end fixed mounting has driving gear (5), driving lever (2) other end has handle (4) through connecting rod (3) fixed mounting, driven lever (6) one end fixed mounting has spacing dish (8), driven lever (6) other end fixed mounting has driven gear (7), spacing dish (8) run through movable mounting has carriage release lever (12), carriage release lever (12) one end fixed mounting has clamping bar (13).

2. The positioning jig for the molding process of the end cover of the hydraulic cylinder according to claim 1, wherein: the driving gear (5) and the driven gear (7) are meshed with each other, and the diameter value of the driven gear (7) is equal to five times that of the driving gear (5).

3. The positioning jig for the molding process of the end cover of the hydraulic cylinder according to claim 2, wherein: spacing dish (8) one side is run through the circumference equidistance and has been seted up first spacing hole (9), installation shell (1) is close to spacing dish (8) one side and runs through the circumference equidistance and has seted up spacing hole of second (10), the quantity of first spacing hole (9) and spacing hole of second (10) is the same and is four and is located the coplanar, the shape of first spacing hole (9) and spacing hole of second (10) is also the same and is circular-arcly, and one end is greater than the interval value of the other end distance spacing dish (8) apart from the interval value at spacing dish (8) center.

4. The positioning jig of claim 3 used in the molding process of the end cover of the hydraulic cylinder, wherein: the included angle of the clamping rod (13) close to one side of the end cover body (14) is 150-170 degrees, and the length value of the clamping rod (13) is equal to 0.05-0.025 times of the circumference value of the limiting disc (8).

5. The positioning jig for use in molding of the end cover of the hydraulic cylinder according to claim 4, wherein: the installation shell (1) one side is run through and has been seted up third spacing hole (16), the quantity in third spacing hole (16) is five and is the equidistance installation, five the maximum interval value in third spacing hole (16) equals the width value in driven gear (7) gear groove.

6. The positioning jig for use in molding of the end cover of the hydraulic cylinder according to claim 5, wherein: the middle of the third limiting hole (16) penetrates through the limiting rod (15) in a detachable mode, and the length value of the limiting rod (15) is larger than the width value of the outer wall of the installation shell (1).