CN111633678B

CN111633678B - Pressure maintaining suction mechanism

Info

Publication number: CN111633678B
Application number: CN202010412170.6A
Authority: CN
Inventors: 吕路明; 刘治渊
Original assignee: Bozhon Precision Industry Technology Co Ltd
Current assignee: Bozhon Precision Industry Technology Co Ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2022-03-08
Anticipated expiration: 2040-05-15
Also published as: CN111633678A

Abstract

The invention discloses a pressure maintaining suction mechanism, which comprises: a pressure maintaining mounting rack; and the balancing weight and the pressure maintaining suction module are sequentially connected with the same side of the pressure maintaining mounting frame in a sliding mode from top to bottom, wherein the balancing weight and the pressure maintaining suction module are connected in a floating mode through a floating connecting structure. According to the invention, the floating connecting structure is arranged between the balancing weight and the pressure maintaining suction module to buffer and absorb the instantaneous impact force generated at the initial stage of the pressure maintaining process, so that the service life of the pressure sensor is prolonged, the detection error of the pressure sensor is reduced, and the pressure maintaining quality is improved.

Description

Pressure maintaining suction mechanism

Technical Field

The invention relates to the field of nonstandard automation, in particular to a pressure maintaining suction mechanism.

Background

In the non-standard automation field, it is well known to adopt pressure maintaining mechanisms with different structural forms to realize pressure maintaining operation after the parts are assembled. During the process of researching and realizing the pressure maintaining operation, the inventor finds that the pressure maintaining mechanism in the prior art has at least the following problems:

because at the pressurize in-process, the instantaneous impact force of pressurize die head and work piece contact is great, leads to pressure sensor reduction of life under long-time impact easily on the one hand, and on the other hand also can lead to the pressure value that pressure sensor surveyed can be a little big with actual value, leads to appearing the not enough phenomenon of pressurize.

In view of the above, it is necessary to develop a pressure maintaining suction mechanism to solve the above problems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention mainly aims to provide the pressure maintaining suction mechanism, which buffers and absorbs the instantaneous impact force generated at the initial stage of the pressure maintaining process by arranging the floating connecting structure between the balancing weight and the pressure maintaining suction module, so that the service life of the pressure sensor is prolonged, the detection error of the pressure sensor is reduced, and the pressure maintaining quality is improved.

To achieve the above objects and other advantages in accordance with the present invention, there is provided a pressure-maintaining suction mechanism including:

a pressure maintaining mounting rack; and

a balancing weight and a pressure maintaining suction module which are sequentially connected with the same side of the pressure maintaining mounting frame in a sliding way from top to bottom,

the balancing weight and the pressure maintaining suction module are connected in a floating mode through a floating connecting structure.

Optionally, a pressure sensor for sensing the pressure applied to the pressure maintaining suction module is arranged between the counterweight block and the pressure maintaining suction module.

Optionally, a suction nozzle for sucking materials is arranged at the bottom of the pressure maintaining suction module.

Optionally, the floating connection structure includes:

the floating connecting groove is formed in one side of the balancing weight;

a floating connecting rod, the bottom end of which is fixedly connected with the pressure maintaining suction module and the top end of which extends into the floating connecting groove,

wherein, the top of the floating connecting rod is provided with a hook which is buckled with the balancing weight.

Optionally, the top end of the floating connecting rod extends upwards from the bottom of the balancing weight to the floating connecting groove hanger, and the height of the hook is smaller than that of the floating connecting groove.

Optionally, assuming that the height of the hook is H and the height of the floating connecting groove is H, H is 1: 1.5-1: 3.

Optionally, a pressure maintaining guide rail extending in the vertical direction is fixedly connected to the side face of the pressure maintaining mounting frame, the balancing weight and the pressure maintaining suction module are respectively connected with the pressure maintaining guide rail in a sliding manner through an upper sliding block and a lower sliding block, an upper limiting block is fixedly connected to the top end of the pressure maintaining guide rail, and a lower limiting block is fixedly connected to the bottom end of the pressure maintaining guide rail.

One of the above technical solutions has the following advantages or beneficial effects: because it absorbs the instantaneous impact force that the module produced at the pressurize process initial stage through setting up a connection structure that floats between balancing weight and pressurize and absorb the module, improved pressure sensor's life on the one hand, on the other hand has reduced pressure sensor's detection error, is favorable to improving the pressurize quality.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description relate only to some embodiments of the present invention and are not limiting thereof, wherein:

fig. 1 is a perspective view of a holding pressure suction mechanism according to an embodiment of the present invention;

fig. 2 is a front view of the holding pressure suction mechanism according to one embodiment of the present invention, showing a state where the holding pressure suction mechanism is not in contact with the product to be held;

fig. 3 is a front view of the holding pressure suction mechanism according to one embodiment of the present invention, showing a state where the holding pressure suction mechanism is in contact with a product to be held in pressure;

fig. 4 is a partial sectional view of the holding pressure suction mechanism according to one embodiment of the present invention, showing a floating connection structure.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc., are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on the position in which it is used, and thus these or other orientations should not be construed as limiting terms.

Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

According to an embodiment of the present invention, as shown in fig. 1 and 4, it can be seen that the holding pressure suction mechanism 44 includes:

a pressure maintaining mounting frame 441; and

a counterweight 442 and a pressure maintaining suction module 443 slidably connected to the same side of the pressure maintaining mounting frame 441 from top to bottom in sequence,

the counterweight 442 and the pressure maintaining suction module 443 are connected in a floating manner through a floating connection structure. In the implementation process, a first restoring component is elastically connected between the floating connection structure and the counterweight block 442.

Referring to fig. 2 and 3, a pressure sensor 447 for sensing a pressure applied to the pressure maintaining suction module 443 is disposed between the counterweight 442 and the pressure maintaining suction module 443. In an implementation process, the pressure sensor 447 may be a diaphragm type resonant pressure sensor, and the diaphragm type resonant pressure sensor is mounted at the top end of the pressure maintaining suction module 443, so that a pressure guide pipe of the diaphragm type resonant pressure sensor is in transmission connection with the bottom of the counterweight 442.

Further, a suction nozzle 448 for sucking materials is arranged at the bottom of the pressure maintaining suction module 443. In operation, the suction nozzle 448 is in communication with a vacuum connection of a vacuum generator.

Reference will now be made to fig. 4, which shows in detail a floating connection, in particular comprising:

a floating connection groove 4421 opened at one side of the weight block 442;

a floating connecting rod 4431, the bottom end of which is fixed to the pressure maintaining suction module 443 and the top end of which extends into the floating connecting groove 4421,

wherein, a hook 4432 fastened with the weight block 442 is formed at the top end of the floating connecting rod 4431.

Further, the top end of the floating connection rod 4431 extends upward from the bottom of the weight block 442 into the floating connection groove 4421, and the height of the hook 4432 is smaller than that of the floating connection groove 4421 in order to provide a sufficient buffer space between the floating connection rod 4431 and the floating connection groove 4421. In a specific implementation process, the first resetting component is elastically connected between the top of the hook 4432 and the top wall of the floating connecting groove 4421, so that when the pressure maintaining suction mechanism is not in contact with the product to be pressure maintained, the hook 4432 is kept on the bottom wall of the floating connecting groove 4421, and when the pressure maintaining suction mechanism is in contact with the product to be pressure maintained, the first resetting component can buffer and absorb impact force.

Further, assuming that the height of the hook 4432 is H and the height of the floating connection groove 4421 is H, H is 1:1.5 to 1: 3. In a preferred embodiment, H ═ 1: 2.

Referring to fig. 2 and 3 again, a pressure maintaining guide rail 444 extending in a vertical direction is fixedly connected to a side surface of the pressure maintaining mounting frame 441, the counterweight block 442 and the pressure maintaining suction module 443 are slidably connected to the pressure maintaining guide rail 444 through an upper slider 445 and a lower slider 446, respectively, an upper limit block 4441 is fixedly connected to a top end of the pressure maintaining guide rail 444, and a lower limit block 4442 is fixedly connected to a bottom end of the pressure maintaining guide rail 444. In a specific implementation process, a second resetting component is elastically connected between the upper slider 445 and the upper limit block 4441, as shown in fig. 2, when the second resetting component enables the pressure maintaining suction mechanism 44 not to contact with the product to be pressure maintained, the lower slider 446 is kept on the lower limit block 4442 by gravity and an elastic restoring force of the second resetting component; as shown in fig. 3, when the pressure maintaining suction mechanism 44 is in contact with the product to be pressure maintained, the second restoring component can absorb the impact force. It should be understood that the technical terms "first restoring member" and "second restoring member" used herein include, but are not limited to, a spring, a torsion spring, etc. body capable of generating an elastic restoring force.

The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. A pressure-maintaining suction mechanism, comprising:

a pressure maintaining mounting frame (441); and

a balancing weight (442) and a pressure maintaining suction module (443) which are sequentially connected with the same side of the pressure maintaining mounting rack (441) in a sliding manner from top to bottom,

the balancing weight (442) and the pressure maintaining suction module (443) are in floating connection through a floating connection structure;

a suction nozzle (448) for sucking materials is arranged at the bottom of the pressure maintaining suction module (443);

the floating connection structure includes:

a floating connection groove (4421) opened at one side of the balancing weight (442);

the bottom end of the floating connecting rod (4431) is fixedly connected with the pressure maintaining suction module (443), the top end of the floating connecting rod extends into the floating connecting groove (4421), and a hook (4432) buckled with the balancing weight (442) is formed at the top end of the floating connecting rod (4431);

the top end of the floating connecting rod (4431) extends upwards from the bottom of the balancing weight (442) to the floating connecting groove (4421), and the height of the hook (4432) is smaller than that of the floating connecting groove (4421); a pressure maintaining guide rail (444) extending in the vertical direction is fixedly connected to the side face of the pressure maintaining mounting frame (441), the balancing weight (442) and the pressure maintaining suction module (443) are respectively in sliding connection with the pressure maintaining guide rail (444) through an upper sliding block (445) and a lower sliding block (446), an upper limiting block (4441) is fixedly connected to the top end of the pressure maintaining guide rail (444), and a lower limiting block (4442) is fixedly connected to the bottom end of the pressure maintaining guide rail (444); a first reset component is elastically connected between the floating connecting structure and the balancing weight (442); the first reset component is elastically connected between the top of the hook (4432) and the top wall of the floating connecting groove (4421), so that when the pressure maintaining suction mechanism is not in contact with a product to be subjected to pressure maintaining, the hook (4432) is kept on the bottom wall of the floating connecting groove (4421), and when the pressure maintaining suction mechanism is in contact with the product to be subjected to pressure maintaining, the first reset component can buffer and absorb impact force; the upper sliding block (445) and the upper limiting block (4441) are elastically connected with a second resetting component, the second resetting component can enable the lower sliding block (446) to be kept on the lower limiting block (4442) by gravity and the elastic restoring force of the second resetting component when the pressure maintaining suction mechanism is not in contact with a product to be subjected to pressure maintaining, the second resetting component can buffer and absorb impact force when the pressure maintaining suction mechanism is in contact with the product to be subjected to pressure maintaining, and a pressure sensor (447) used for sensing the pressure applied to the pressure maintaining suction module (443) is arranged between the balancing weight (442) and the pressure maintaining suction module (443).

2. The pressure-maintaining suction mechanism of claim 1, wherein H: H =1: 1.5-1: 3 assuming that the height of the hook (4432) is H and the height of the floating connection groove (4421) is H.