CN213730583U

CN213730583U - Hydraulic flexible vacuum adsorption clamp

Info

Publication number: CN213730583U
Application number: CN202021704986.8U
Authority: CN
Inventors: 余学森
Original assignee: Shaanxi Qianshan Avionics Co Ltd
Current assignee: Shaanxi Qianshan Avionics Co Ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-07-20
Anticipated expiration: 2030-08-14

Abstract

The embodiment of the utility model provides a hydraulic flexible vacuum adsorption clamp, which belongs to the technical field of machining tools and comprises an adsorption die cavity, a flexible module, a hydraulic device and a vacuum device; the adsorption die cavity comprises a side wall and a bottom plate, and the side wall and the bottom plate form a cavity; the flexible module is arranged in the cavity, is in close contact with the side wall and comprises a plurality of groups of hydraulic flexible modules which are closely arranged; the hydraulic flexible module comprises a central rod and a telescopic shell; one end of the central rod is fixed at the bottom of the cavity, and the other end of the central rod is used for sleeving the telescopic shell; the side edge of the telescopic shell is provided with an air groove; the hydraulic device is connected with the central rod and used for providing constant extension pressure for the telescopic shell through the central rod; the vacuum device is connected with the bottom plate and used for extracting air in the cavity. The utility model discloses avoided the technical problem that must use the arm-tie frock when processing hot sheet metal type part to can be applicable to the hot sheet metal type part of multiple model.

Description

Hydraulic flexible vacuum adsorption clamp

Technical Field

The utility model relates to the technical field of machining, especially, relate to a flexible vacuum adsorption anchor clamps of hydraulic pressure.

Background

In the field of aviation, various types of heat-dissipating thin-plate parts exist, the thickness of the parts is small, the minimum thickness of machining forming is about 0.5-1.5 mm, bosses and grooves on the outer surface are more and complicated to distribute, and the sizes of the bosses and the grooves are uneven. Some complex model parts need to use at least 2 sets of pulling plate tools during processing. For the different types of heat dissipation thin plates, special pull plate tools need to be manufactured, some pull plate tools can be used for clamping even by adding process steps, the manufacturing time of the tools is long, long clamping preparation time needs to be spent during processing, the pull plates need to be repeatedly repaired and reworked when being frequently used, and the increase of types increases the burden on storage. The complex clamping and positioning mode of the pull plate tool seriously influences the processing progress of products for batch production.

In a machining production system, the plate pulling tool which is a relatively complex clamping and positioning mode obviously does not have advantages in order to realize high quality and high efficiency of batch production and break the limitation in a small-quantity production process. Therefore, the processing technology equipment of the parts needs to be optimized and innovated, the defects of the plate pulling tool in the processing process are overcome, and the working medium adding effect is improved.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a flexible vacuum adsorption anchor clamps of hydraulic pressure has avoided the technical problem that must use the arm-tie frock when processing hot sheet metal type part to can be applicable to the hot sheet metal type part of multiple model.

In order to achieve the technical purpose, the utility model discloses the concrete technical scheme who adopts is:

a hydraulic flexible vacuum adsorption clamp comprises an adsorption die cavity, a flexible die set, a hydraulic device and a vacuum device; the adsorption die cavity comprises a side wall and a bottom plate, and the side wall and the bottom plate form a cavity; the flexible module is arranged in the cavity, is in close contact with the side wall and comprises a plurality of groups of hydraulic flexible modules which are closely arranged; the hydraulic flexible module comprises a central rod and a telescopic shell; one end of the central rod is fixed at the bottom of the cavity, and the other end of the central rod is used for sleeving the telescopic shell; the side edge of the telescopic shell is provided with an air groove; the hydraulic device is connected with the central rod and is used for providing constant extension pressure for the telescopic shell through the central rod; the vacuum device is connected with the bottom plate and used for extracting air in the cavity.

Furthermore, a sealing gasket and/or a sealing ring is arranged on the contact part of the side wall of the adsorption mold cavity and the flexible mold set.

Furthermore, the hydraulic flexible vacuum adsorption clamp also comprises a reference hole and a positioning reference block; the positioning datum hole is formed in the hydraulic flexible module and used for providing an insertion space for the datum block.

Furthermore, the main part of flexible shell is the cuboid, and the up end is the square.

Further, the air grooves comprise a vertical air groove and a transverse air groove; the vertical air groove is perpendicular to the upper end face of the telescopic shell and extends to the upper end face of the telescopic shell; the transverse air groove is far away from the upper end face of the telescopic shell.

Furthermore, all be provided with horizontal air duct on four sides of flexible shell, just horizontal air duct all is perpendicular to perpendicular air duct.

Furthermore, a sliding sealing ring which is parallel to the upper end face of the telescopic shell is sleeved on the side edge of the telescopic shell; the transverse air groove is arranged between the sliding sealing ring and the upper end face of the telescopic shell.

Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect can be brought:

1. adopt vacuum apparatus to absorb the air in the cavity, adsorb hot sheet metal class part on the surface of flexible module through the air duct conduction, when hot sheet metal class part has thickness difference, because hydraulic means only provides a invariable extension pressure for flexible module, consequently can push down the flexible shell that is in the heavy gauge part through external force, just can guarantee the smooth-going centre gripping of hot sheet metal class part.

2. The side wall of the adsorption die cavity is provided with a sealing ring at the contact part of the side wall and the adsorption die cavity, so that the working efficiency of the vacuum device is ensured, and the adsorption efficiency is improved.

3. The positioning reference block is arranged and can be used as a machining reference point of a machine tool in the machining process, and accurate machining is facilitated.

4. Set up square up end, be favorable to closely filling, further guaranteed vacuum apparatus's work efficiency and reduced the degree of difficulty of arranging of flexible module.

5. The sliding seal ring and the transverse air groove are arranged, so that air conduction between the hydraulic flexible modules is guaranteed, the adsorption effect on hot sheet parts is improved, and the working efficiency of the vacuum device is further guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a simplified overall diagram of a hydraulic flexible vacuum chuck in accordance with an embodiment;

FIG. 2 is a block diagram of a hydraulic flexible module in an exemplary embodiment;

FIG. 3 is a schematic diagram of an arrangement of hydraulic flexible modules according to an embodiment;

FIG. 4 is an upper end view of a hydraulic flex module according to an embodiment;

FIG. 5 is a block diagram of a positioning reference block in an embodiment;

wherein: 1. adsorbing the mold cavity; 2. a flexible module; 3. a hydraulic device; 4. a vacuum device; 5. a hydraulic flexible module; 51. a center pole; 52. a telescopic housing; 53. an air tank; 54. a reference hole; 55. sliding the seal ring; 6. a reference block.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation can be changed at will, and the layout of the components may be more complicated.

In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.

The embodiment of the utility model provides a flexible vacuum adsorption anchor clamps of hydraulic pressure, it is shown including adsorbing die cavity 1, flexible module 2, hydraulic means 3 and vacuum apparatus 4 as figure 1. The adsorption die cavity 1 comprises a side wall and a bottom plate, and the side wall and the bottom plate form a cavity. The flexible module is arranged in the cavity and is in close contact with the side wall, and comprises a plurality of groups of hydraulic flexible modules 5 which are closely arranged. As shown in fig. 2, the hydraulic flexible module 5 includes a central rod 51 and a telescopic housing 52. One end of the center rod 51 is fixed at the bottom of the chamber, and the other end is used for sleeving the telescopic shell 52. The side of the telescopic housing 52 is provided with an air groove 53. The hydraulic means 3 is connected to the central rod 51 for providing a constant extension pressure to the telescopic housing 52 through the central rod 51. The vacuum device 4 is connected with the bottom plate and is used for extracting air in the cavity. In the present embodiment, the hydraulic device 3 is a return hydraulic pump, and the vacuum device 4 is a vacuum pump.

This embodiment adopts vacuum apparatus 4 to absorb the air in the cavity, adsorbs hot sheet type part on the surface of flexible module 2 through the conduction of air duct 53, when hot sheet type part has thickness difference, because hydraulic means 3 only provides a invariable extension pressure for flexible module 2, consequently can push down the flexible shell 52 that is in the heavy gauge part through external force, just can guarantee the smooth centre gripping of hot sheet type part.

In one embodiment, the contact portion between the side wall of the adsorption cavity 1 and the flexible module 2 is provided with a sealing gasket or a sealing ring, or both of them.

The side wall of the adsorption die cavity 1 and the contact part of the adsorption die cavity 1 are provided with the sealing ring, so that the working efficiency of the vacuum device 4 is ensured, and the adsorption efficiency is improved.

In one embodiment, as shown in fig. 4 and 5, the hydraulic flexible vacuum suction jig further includes a reference hole 54 and a positioning reference block 6. The positioning reference hole 54 is provided on the hydraulic flexible module 5 for providing an insertion space of the reference block 6.

The positioning reference block 6 is arranged in the embodiment, and can be used as a machining reference point of a machine tool in the machining process, so that accurate machining is facilitated.

In one embodiment, as shown in fig. 2 and 4, the main body of the telescopic housing 52 is a rectangular parallelepiped, and the upper end surface is a square.

This embodiment sets up square up end, is favorable to closely filling, has further guaranteed vacuum apparatus 4's work efficiency and has reduced the degree of difficulty of arranging of flexible module.

In one embodiment, as shown in FIG. 2, the air slots 53 include vertical air slots and horizontal air slots. The vertical air groove is perpendicular to the upper end surface of the telescopic housing 52 and extends to the upper end surface of the telescopic housing 52. The transverse air slot is remote from the upper end face of the telescoping housing 52.

In this embodiment, the four sides of the telescopic housing 52 are provided with transverse air slots, and the transverse air slots are perpendicular to the vertical air slots.

In this embodiment, a sliding seal ring 55 is sleeved on the side of the telescopic housing 52 and is parallel to the upper end surface of the telescopic housing 52. The cross air groove is provided between the slide seal ring 55 and the upper end surface of the telescopic housing 52.

The embodiment is provided with the sliding seal ring 55 and the transverse air groove, so that the air conduction between the hydraulic flexible modules 5 is ensured, the adsorption effect on hot sheet parts is improved, and the working efficiency of the vacuum device 4 is further ensured.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a flexible vacuum adsorption anchor clamps of hydraulic pressure which characterized in that: comprises an adsorption die cavity, a flexible die set, a hydraulic device and a vacuum device; the adsorption die cavity comprises a side wall and a bottom plate, and the side wall and the bottom plate form a cavity; the flexible module is arranged in the cavity, is in close contact with the side wall and comprises a plurality of groups of hydraulic flexible modules which are closely arranged; the hydraulic flexible module comprises a central rod and a telescopic shell; one end of the central rod is fixed at the bottom of the cavity, and the other end of the central rod is used for sleeving the telescopic shell; the side edge of the telescopic shell is provided with an air groove; the hydraulic device is connected with the central rod and is used for providing constant extension pressure for the telescopic shell through the central rod; the vacuum device is connected with the bottom plate and used for extracting air in the cavity.

2. The hydraulic flexible vacuum adsorption jig of claim 1, wherein: and a sealing gasket and/or a sealing ring is arranged at the contact part of the side wall of the adsorption mold cavity and the flexible mold set.

3. The hydraulic flexible vacuum adsorption jig of claim 1, wherein: the hydraulic flexible vacuum adsorption clamp further comprises a reference hole and a positioning reference block; the positioning datum hole is formed in the hydraulic flexible module and used for providing an insertion space for the datum block.

4. The hydraulic flexible vacuum adsorption jig of claim 1, wherein: the main part of flexible shell is the cuboid, and the up end is the square.

5. The hydraulic flexible vacuum adsorption jig of claim 4, wherein: the air grooves comprise vertical air grooves and transverse air grooves; the vertical air groove is perpendicular to the upper end face of the telescopic shell and extends to the upper end face of the telescopic shell; the transverse air groove is far away from the upper end face of the telescopic shell.

6. The hydraulic flexible vacuum adsorption jig of claim 5, wherein: all be provided with horizontal gas tank on four sides of flexible shell, just horizontal gas tank all is perpendicular to perpendicular gas tank.

7. The hydraulic flexible vacuum adsorption clamp of claim 6, wherein: the side edge of the telescopic shell is sleeved with a sliding sealing ring which is arranged in parallel with the upper end face of the telescopic shell; the transverse air groove is arranged between the sliding sealing ring and the upper end face of the telescopic shell.