CN216666105U

CN216666105U - Hydraulic device positioning mechanism

Info

Publication number: CN216666105U
Application number: CN202123227159.1U
Authority: CN
Inventors: 谢冲
Original assignee: Dongguan Zhengchen Precision Machinery Co ltd
Current assignee: Dongguan Zhengchen Precision Machinery Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-06-03
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a positioning mechanism of a hydraulic device, which comprises a lower template, wherein more than two pull rods are arranged on the lower template, an installation seat is movably connected between the upper parts of the pull rods, and a positioning component for positioning the installation seat is arranged on each pull rod; through locating component's setting, can establish the locating piece on the constant head tank of co-altitude not, can the height of accurate regulation mount pad like this to the effect of the height of accurate regulation pneumatic cylinder has been played.

Description

Hydraulic device positioning mechanism

Technical Field

The utility model relates to the field of hydraulic device assembly, in particular to a positioning mechanism of a hydraulic device.

Background

Powder metallurgy is an industrial technology for preparing metal powder or metal powder (or a mixture of metal powder and nonmetal powder) as a raw material, and forming and sintering are carried out to prepare metal materials, composite materials and various products.

When the height of a hydraulic device is adjusted by an existing metal powder forming machine, generally, adjusting nuts are arranged on pull rods guiding the hydraulic device, the heights of the pull rods are made to be consistent by adjusting the adjusting nuts on all the pull rods, and then the hydraulic device is placed on the adjusting nuts along the pull rods, so that the problems that the heights of the adjusting nuts are difficult to adjust consistently and the adjusting efficiency is low exist in adjustment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hydraulic device positioning mechanism which is convenient for adjusting the height of a hydraulic device so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the die comprises a lower template, wherein more than two pull rods are installed on the lower template, an installation seat is movably connected between the upper parts of the pull rods, and a positioning assembly used for positioning the installation seat is arranged on each pull rod.

Furthermore, the mounting seat is also provided with a guide hole corresponding to the pull rod, the pull rod is correspondingly arranged in the guide hole, and the mounting seat can move up and down along the pull rod.

Furthermore, the positioning assembly comprises more than one positioning groove arranged at the upper part of the pull rod, and the positioning groove is provided with a positioning block in a separable way.

The positioning block can be divided into a half-and-half annular structure of a first positioning block and a second positioning block, and the first positioning block and the second positioning block can be combined and arranged in the positioning groove to form a positioning ring.

Furthermore, the guide hole is provided with an upper guide hole and a lower guide hole, the radius of the lower guide hole is larger than that of the upper guide hole, and the positioning block is embedded in the lower guide hole.

Furthermore, the upper part of each pull rod is connected with a fastening nut in a threaded manner, and the fastening nuts are positioned above the mounting seats.

Furthermore, a first pressing mechanism and a second pressing mechanism are arranged on the mounting seat.

Further, the first pressing mechanism is a first hydraulic cylinder, and the second pressing mechanism is a second hydraulic cylinder.

Further, still be equipped with the installation component on first pneumatic cylinder and the second pneumatic cylinder, the installation component including be located the lower extreme of first pneumatic cylinder and second pneumatic cylinder and with mount pad fixed connection's lower extreme lid, be located the upper end of first pneumatic cylinder and second pneumatic cylinder and with mount pad fixed connection's upper end lid.

Further, the lower end cover is in threaded connection with the mounting seat through a first bolt, and the upper end cover is in threaded connection with the mounting seat through a second bolt.

The powder forming machine of the utility model has the following beneficial effects:

1. through locating component's setting, can establish the locating piece on the constant head tank of co-altitude not, can the height of accurate regulation mount pad like this to the effect of the height of accurate regulation pneumatic cylinder has been played.

2. Compared with the prior art that one hydraulic cylinder is arranged on the mounting seat, the hydraulic cylinder mounting seat can fully utilize the strength of the supporting parts such as the frame, the lower template, the pull rod, the mounting seat and the like, and improves the production efficiency.

Additional features and advantages of the utility model will be set forth in the detailed description which follows

Drawings

FIG. 1: is a front view of the present invention.

FIG. 2: is a schematic three-dimensional structure of the utility model.

FIG. 3: is a partial three-dimensional structure schematic diagram of the utility model.

FIG. 4: is a partial three-dimensional structure schematic diagram of the bottom view angle of the utility model.

FIG. 5: is a schematic diagram of the burst structure of the positioning assembly.

FIG. 6: is a schematic three-dimensional structure of the hydraulic mechanism of the utility model.

FIG. 7: is a first three-dimensional structure schematic diagram of the mounting assembly of the utility model.

FIG. 8: is a schematic diagram of a second three-dimensional structure of the mounting assembly of the present invention.

FIG. 9: is a first pop-up configuration of the mounting assembly of the present invention.

FIG. 10: a second pop-up configuration of the mounting assembly of the present invention is illustrated.

FIG. 11: is an assembly schematic of the present invention.

Reference numerals are as follows: 1. a frame; 2. a hydraulic station; 3. a lower template; 4. a pull rod; 5. a mounting seat 51 and a guide hole; 511. an upper guide hole; 512. a lower guide hole; 6. a first hold-down mechanism; 61. a second hydraulic cylinder; 7. mounting a plate; 8. a positioning assembly; 81. positioning a groove; 82. positioning blocks; 821. a first positioning block; 822. a second positioning block; 83. fastening a nut; 9. a mounting assembly, 91, a lower end cap; 92. a first bolt; 93. an upper end cover; 94. And a second bolt.

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.

As shown in fig. 1-9, the positioning mechanism of a hydraulic device according to the present invention includes a frame 1, a hydraulic station 2 disposed at the bottom of the frame 1, and a lower template 3 disposed in the middle of the frame 1, wherein the lower template 3 is provided with two or more pull rods 4, the four pull rods 4 are preferably disposed at four corners of the lower template 3, a mounting seat 5 is detachably mounted between the upper portions of the pull rods 4, the mounting seat 5 is provided with a first pressing mechanism, the first pressing mechanism is connected to the hydraulic station 2 through a pipeline, and the first pressing mechanism may be a first hydraulic cylinder 6.

The mounting base 5 can be further provided with a second pressing mechanism, the second pressing mechanism is connected with the hydraulic station 2 through a pipeline, the second pressing mechanism can be a second hydraulic cylinder 61, and the output shafts of the first hydraulic cylinder 6 and the second hydraulic cylinder 61 are both provided with mounting plates 7.

As shown in fig. 6-9, the first hydraulic cylinder 6 and the second hydraulic cylinder 61 are further provided with a mounting assembly 9, the mounting assembly 9 includes a lower end cover 91 fixed to the lower ends of the first hydraulic cylinder 6 and the second hydraulic cylinder 61 by a first bolt 92, an upper end cover 93 fixed to the upper ends of the first hydraulic cylinder 6 and the second hydraulic cylinder 61 by a second bolt 94, and the first bolt 92 and the second bolt 94 both pass through the end cover on the side where the first bolt 92 and the second bolt 94 are connected with the mounting base 5 by threads.

As shown in fig. 5 and fig. 9, the pull rod 4 is further provided with a positioning assembly 8, the positioning assembly 8 includes more than one positioning groove 81 formed on the upper portion of the pull rod 4, the positioning groove 81 is detachably provided with a positioning block 82, and a fastening nut 83 both connected with the upper portion of the pull rod 4 by screw threads, the fastening nut 83 is located above the mounting seat 5, the positioning groove 81 is annular, the radius of the positioning block 82 is larger than that of the pull rod 4, the mounting seat 5 is further provided with a guide hole 51 corresponding to the pull rod 4, the pull rod 4 is correspondingly arranged in the guide hole 51, so that the mounting seat 5 can move up and down along the pull rod 4, the bottom of the mounting seat 5 is in contact with the top surface of the positioning block 82, the fastening nut 83 is rotated, the fastening nut 83 moves down to press the mounting seat 5, so that the mounting seat 5 is fixed on the pull rod 4, the positioning block 82 is arranged on the positioning grooves 81 with different heights, so that the height of the mounting seat 5 can be accurately adjusted, thereby the height of hydraulic cylinder can be adjusted accurately.

The locating piece 82 can be divided into the annular structure of first locating piece 821 and second locating piece 822 to half, first locating piece 821 can form the holding ring in the constant head tank with second locating piece 822 combination setting, during height-adjusting, with locating piece 82 to half separation, set up first locating piece 821 and second locating piece 822 combination at the constant head tank 81 that the height place that needs adjusted after the separation, can adjust the position of locating piece 82 to adjust the height of mount pad 5.

The guide hole 51 has an upper guide hole 511 and a lower guide hole 512, the radius of the lower guide hole is larger than that of the upper guide hole, and the first positioning block 821 and the second positioning block 822 are fitted into the lower guide hole, so that the first positioning block 821 and the second positioning block 822 can be prevented from being accidentally detached from the drawbar 4.

A plurality of positioning blocks 82 can be arranged on one positioning groove 81, and the height of the mounting base 5 can be adjusted more flexibly through superposition of the positioning blocks 82.

Principle of operation

When the die is used, powder metallurgy dies are respectively arranged on the lower die plate 3 and the mounting plate 7, the hydraulic station 2 is started to work after metal powder is filled in the dies, the hydraulic station 2 drives the output shafts of the first hydraulic cylinder 6 and the second hydraulic cylinder 61 to move downwards to drive the mounting plate 7 and the dies on the mounting plate to move downwards, and the dies on the mounting plate 7 compact and form the metal powder in the dies below.

When needs install the pneumatic cylinder on mount pad 5, install bottom end cover 91 in mount pad 5 bottom through first bolt 92, install the pneumatic cylinder on bottom end cover 91 after the installation, install the pneumatic cylinder again with upper end cover 93 at the pneumatic cylinder top after the installation, pass upper end cover 93 with second bolt 94 at last and insert the screw hole that corresponds on the mount pad 5, the installation to the pneumatic cylinder can be accomplished to the second bolt 94 of screwing, install the pneumatic cylinder on the mount pad through this kind of mode, it is more convenient to make people operate when installation or change the pneumatic cylinder, the installation effectiveness is higher.

When the height of the hydraulic cylinder needs to be adjusted, the fastening nut 83, which is in contact with the mounting base 5, on the upper portion of the pull rod 4 is rotated first, so that the fastening nut 83 moves upwards to be separated from the mounting base 5, then the mounting base 5 and the hydraulic cylinder on the mounting base 5 are lifted upwards through external equipment, after the lifting, the positioning block 82 on the positioning groove 81 is divided into half and half to form a first positioning block 821 and a second positioning block 822, after the separation, the first positioning block 821 and the second positioning block 822 are coupled to the positioning groove 81 where the height needing to be adjusted is located, then the external equipment is controlled to put down the mounting base 5 and the hydraulic cylinder on the mounting base 5, the mounting base 5 moves downwards to be in contact with the positioning block 82, and after the contact, the fastening nut 83 is rotated to move downwards to press the mounting base 5, so that the accurate adjustment of the heights of the mounting base 5 and the hydraulic cylinder can be completed.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may include only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be apparent to those skilled in the art.

Claims

1. A hydraulic device positioning mechanism comprises a lower template (3), wherein more than two pull rods (4) are installed on the lower template (3), and an installation seat (5) is movably connected between the upper parts of the pull rods (4), and is characterized in that a positioning assembly (8) used for positioning the installation seat is arranged on each pull rod (4);

the mounting seat (5) is also provided with a guide hole (51) corresponding to the pull rod (4), the pull rod (4) is correspondingly arranged in the guide hole (51), the mounting seat (5) can move up and down along the pull rod (4),

the positioning component (8) comprises more than one positioning groove (81) arranged at the upper part of the pull rod (4), and a positioning block (82) is detachably arranged on the positioning groove (81);

the positioning block (82) can be divided into two halves into a ring structure with a first positioning block (821) and a second positioning block (822), and the first positioning block (821) and the second positioning block (822) can be combined and arranged in the positioning groove to form a positioning ring.

2. The positioning mechanism according to claim 1, wherein the guide hole (51) has an upper guide hole (511) and a lower guide hole (512), the lower guide hole (512) has a larger radius than the upper guide hole (511), and the positioning block (82) is fitted into the lower guide hole (512).

3. The positioning mechanism according to claim 1, characterized in that the tie rods (4) are each screwed with a fastening nut (83) at the upper part, the fastening nuts (83) being located above the mounting seats (5).

4. The positioning mechanism according to claim 1, wherein the mounting base (5) is provided with a first pressing mechanism and a second pressing mechanism.

5. The positioning mechanism according to claim 4, wherein the first pressing mechanism is a first hydraulic cylinder (6) and the second pressing mechanism is a second hydraulic cylinder (61).

6. The positioning mechanism according to claim 4, wherein the first hydraulic cylinder (6) and the second hydraulic cylinder (61) are further provided with a mounting assembly (9), the mounting assembly (9) comprises a lower end cover (91) which is located at the lower end of the first hydraulic cylinder (6) and the second hydraulic cylinder (61) and fixedly connected with the mounting base (5), and an upper end cover (93) which is located at the upper end of the first hydraulic cylinder (6) and the second hydraulic cylinder (61) and fixedly connected with the mounting base (5).

7. The positioning mechanism according to claim 6, wherein the lower end cover (91) is threadedly connected to the mounting base (5) by a first bolt (92), and the upper end cover (93) is threadedly connected to the mounting base (5) by a second bolt (94).