CN210343954U

CN210343954U - Bonding tool

Info

Publication number: CN210343954U
Application number: CN201921322760.9U
Authority: CN
Inventors: 董青海; 蔡志强; 原崇新; 李妍; 刘亚男; 邱茂顺
Original assignee: Commercial Aircraft Corp of China Ltd; Beijing Aeronautic Science and Technology Research Institute of COMAC
Current assignee: Commercial Aircraft Corp of China Ltd; Beijing Aeronautic Science and Technology Research Institute of COMAC
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-04-17
Anticipated expiration: 2029-08-15

Abstract

The utility model belongs to the technical field of the combined material bonds, a bonding frock is disclosed, including fixed knot structure, compact structure and fender position structure, fixed knot constructs and is provided with the cavity, and the bottom surface of cavity is used for placing the sample spare, and compact structure installs on fixed knot constructs adjustably, and compact structure can compress tightly the sample spare on the first direction, and the bottom surface of first direction perpendicular to cavity keeps off position structural connection in fixed knot structure, and the lateral wall that keeps off position structure and cavity cooperatees, can carry out the ascending location of second side to the sample spare, and the second direction is on a parallel with the bottom surface of cavity. The utility model provides a pair of bonding frock not only can control the bonding degree of consistency effectively, prevents to overflow and glues, can also improve the bonding positioning accuracy of pressing from both sides core test piece and metal block to promote the appearance quality, save the cost, this bonding frock simple structure simultaneously uses convenient operation, can effectively promote production efficiency.

Description

Bonding tool

Technical Field

The utility model relates to a combined material bonds technical field, especially relates to a bonding frock.

Background

At present, when a mechanical property test of a composite material test piece is carried out, the test piece is required to be bonded between two metal blocks so as to ensure that an effective failure mode is generated in the test process, and meanwhile, the bonding effect of the metal blocks and a sandwich test piece is required to meet corresponding technical requirements.

The existing bonding method of the sandwich test piece and the metal block is to align the sandwich test piece and the metal block and then place the sandwich test piece and the metal block between two porous metal plates, and fix the sample piece to be bonded by inserting a plurality of bolts between the porous plates.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bonding frock can fix a position the sample spare and press from both sides tightly, has improved the bonding precision of pressing from both sides core test piece and metal block, has also effectively promoted production efficiency simultaneously.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a bonding frock includes:

the fixing structure is provided with a cavity, and the bottom surface of the cavity is used for placing a sample piece;

the pressing structure is adjustably mounted on the fixing structure and can press the sample piece in a first direction, and the first direction is perpendicular to the bottom surface of the cavity;

keep off the position structure, connect in fixed knot constructs, keep off the position structure with the lateral wall of cavity cooperatees, can be right the sample piece carries out the ascending location of second direction, the second direction is on a parallel with the bottom surface of cavity.

Preferably, the pressing structure comprises a fixing member and a pressing assembly which are connected with each other, the fixing member is mounted on the fixing structure, and the pressing assembly is adjustably connected to the fixing member and can press the sample piece in the first direction.

Preferably, the pressing structure further comprises a tightening member which penetrates into the fixing member and the fixing structure to mount the fixing member on the fixing structure.

Preferably, the compressing assembly comprises a compressing part, a fastening part and an elastic part, the compressing part is arranged on the fixing part in a penetrating mode, the fastening part and the elastic part are respectively arranged on two sides of the fixing part, the fastening part is in threaded connection with the compressing part, the elastic part is sleeved on the compressing part, one end of the elastic part is connected to the fixing part, the other end of the elastic part is connected to the compressing part, the fastening part and the elastic part can be matched with each other, and the position of the compressing part on the fixing part is adjusted.

Preferably, the pressing unit further includes an abutting member screwed to one end of the pressing member, and the pressing member presses the sample member via the abutting member.

Preferably, the retaining structure comprises a retaining member and a locking member, and the locking member can lock the retaining member to the fixing structure.

Preferably, the fixing structure includes a back plate and a support body that are connected to each other, the pressing structure is adjustably mounted on the support body, the shift structure is connected to the support body, the back plate and the support body together form the cavity, the sample piece is placed on the support body, and the shift structure and the back plate cooperate to enable the sample piece to be positioned in the second direction.

Preferably, an arc-shaped groove is formed in the support body, and the arc-shaped groove is arranged in a penetrating mode along the second direction.

Preferably, two limiting members are arranged on the back plate, the two limiting members are arranged in parallel and at an interval, the sample piece is clamped between the two limiting members, the two limiting members can position the sample piece in a third direction, and the third direction is perpendicular to the first direction and the second direction respectively.

Preferably, the back plate is provided with a viewing hole.

The utility model has the advantages that:

the bonding tool is provided with a fixing structure with a cavity, and a sample piece can be placed on the bottom surface of the cavity; by arranging the compaction structure, the compaction structure can compact the sample piece in a first direction perpendicular to the bottom surface of the cavity; through setting up fender position structure, keep off the lateral wall of position structure and cavity and cooperate, can carry out the ascending location of second side to the sample spare. The bonding tool can simultaneously position and clamp a sample piece in multiple directions, effectively controls the bonding uniformity, prevents glue overflow, and can improve the bonding positioning precision of a sandwich test piece and a metal block, thereby improving the quality of the sample piece and saving the cost. Meanwhile, the bonding tool is simple in structure, convenient to use and operate and capable of effectively improving production efficiency.

Drawings

Fig. 1 is a schematic structural view of a bonding tool according to an embodiment of the present invention.

In the figure:

1. a fixed structure; 11. a back plate; 111. an observation hole; 12. a support body; 121. an arc-shaped slot; 21. a fixing member; 22. a compression assembly; 221. a compression member; 222. a fastener; 223. an elastic member; 224. an abutting member; 23. a tightening member; 3. a gear structure; 31. a gear member; 32. and a locking member.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and can include, for example, fixed or removable connections, mechanical or electrical connections, direct connections, indirect connections through an intermediary, communication between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1, the utility model provides a bonding frock mainly includes fixed knot structure 1, compact structure and keeps off position structure 3. The fixed structure 1 is provided with a cavity, and the bottom surface of the cavity is used for placing a sample piece; the pressing structure is adjustably arranged on the fixing structure 1, and can press the sample piece in a first direction, wherein the first direction is vertical to the bottom surface of the cavity; keep off position structure 3 and connect in fixed knot structure 1, keep off position structure 3 and the lateral wall of cavity and cooperate, can carry out the ascending location of second side to the sample piece, and the second direction is on a parallel with the bottom surface of cavity.

The values are described in the specification that the sample piece is a metal block sandwich test piece, namely the sandwich test piece is bonded between two metal blocks, the sandwich test piece is bonded with the two metal blocks through an adhesive film or an adhesive glue, and the outer surface of the sample piece is also wound with a pressure-sensitive adhesive tape. After the sample piece is fixed in the bonding tool, the combined bonding tool is integrally placed in a curing furnace, the temperature and time are set according to the technological characteristics of the adhesive film or the bonding adhesive to be completely cured, and after the temperature is reduced to room temperature, the tool is taken out to test the mechanical property of the sample piece.

The bonding tool can effectively control the bonding uniformity between the sandwich test piece and the metal block, prevent glue overflow, and improve the bonding positioning precision of the sandwich test piece and the metal block, thereby improving the quality of a sample piece and saving the cost. Meanwhile, the bonding tool is simple in structure, convenient to use and operate and capable of effectively improving production efficiency.

The fixed structure 1 comprises a back plate 11 and a support body 12 which are connected with each other, and the back plate 11 and the support body 12 jointly form a cavity. The support body 12 is provided with a base and two supporting arms, two ends of the back plate 11 are respectively connected to the two supporting arms, and the other end of the back plate is connected to the base. The gear structure 3 is connected to the support arm of the support body 12, the gear structure 3 mainly comprising a gear member 31 and a retaining member 32, the retaining member 32 being able to retain the gear member 31 to the support arm. In order to facilitate the position adjustment of the sample piece in the cavity, preferably, the gear structure 3 is provided with two sets, that is, two sets of gear pieces 31 are respectively locked to the two supporting arms by two sets of locking pieces 32. In this embodiment, the set of retaining members 32 includes two retaining members 32, and the retaining members 32 can alternatively be screw structures. The sample piece is placed on a base of the supporting body 12, one side of the sample piece abuts against the back plate 11, the other side of the sample piece abuts against the gear structure 3, and the gear structure 3 is matched with the back plate 11 and can be used for positioning the sample piece in the second direction. In this embodiment, the second direction is a front-rear direction.

The pressing structure comprises a fixing member 21 and a pressing assembly 22 which are connected with each other, wherein the fixing member 21 is installed on the supporting body 12, and the pressing assembly 22 is adjustably connected to the fixing member 21 and can press the sample piece in the first direction. To facilitate the mounting and dismounting of the fixing member 21, the compacting structure further comprises a tightening member 23, the tightening member 23 penetrating into the fixing member 21 and the fixing structure 1 to mount the fixing member 21 on the fixing structure 1. Wherein the tightening element 23 may equally be chosen as a screw construction. In this embodiment, the first direction is a vertical direction.

Specifically, the pressing assembly 22 includes a pressing member 221, a fastening member 222 and an elastic member 223, the pressing member 221 is disposed through the fixing member 21, the fastening member 222 and the elastic member 223 are disposed on two sides of the fixing member 21, the fastening member 222 is screwed to the pressing member 221, the elastic member 223 is sleeved on the pressing member 221, one end of the elastic member 223 is connected to the fixing member 21, the other end of the elastic member 223 is connected to the pressing member 221, the fastening member 222 and the elastic member 223 can be matched with each other, the position of the pressing member 221 on the fixing member 21 is adjusted, the pressing member 221 is fastened to the fixing member 21, and the pressing member 221 is. Wherein, the pressing member 221 may be a screw structure, the fastening member 222 may be a nut structure, and the elastic member 223 may be a spring structure. The operator may twist hold-down member 221 with a wrench so that hold-down member 221 can hold down or disengage the specimen in the second direction.

In order to ensure the pressing effect of the pressing assembly 22 on the sample piece, optionally, the pressing assembly 22 further includes an abutting member 224, the abutting member 224 is screwed to one end of the pressing member 221, and the pressing member 221 presses the sample piece through the abutting member 224.

In order to enable the bonding tool to position the sample piece in multiple directions, optionally, two limiting members (not shown in the figure) are arranged on the back plate 11, the two limiting members are parallel and spaced, the sample piece is clamped between the two limiting members, and the two limiting members can position the sample piece in a third direction, which is perpendicular to the first direction and the second direction respectively. In this embodiment, the third direction is the left-right direction, and the bonding tool can position the sample piece in the left-right direction, the front-back direction, and the vertical direction.

Because the sample piece is of a cubic structure, in order to facilitate the worker to clamp the sample piece from the bonding tool, optionally, the support body 12 is provided with two arc-shaped grooves 121, and the arc-shaped grooves 121 are arranged to run through along the second direction, preferably, the two arc-shaped grooves 121 are arranged on the two support arms respectively. In order to facilitate the staff to observe the curing condition of the sample piece, optionally, an observation hole 111 is provided on the back plate 11.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a bonding frock which characterized in that includes:

the fixing structure (1) is provided with a cavity, and the bottom surface of the cavity is used for placing a sample piece;

the pressing structure is adjustably mounted on the fixing structure (1), and can press the sample piece in a first direction, wherein the first direction is perpendicular to the bottom surface of the cavity;

keep off position structure (3), connect in fixed knot constructs (1), keep off position structure (3) with the lateral wall of cavity cooperatees, can be to the sample piece carries out the ascending location of second direction, the second direction is on a parallel with the bottom surface of cavity.

2. The bonding tool according to claim 1, characterized in that the pressing structure comprises a fixing member (21) and a pressing assembly (22) which are connected with each other, the fixing member (21) is mounted on the fixing structure (1), and the pressing assembly (22) is adjustably connected to the fixing member (21) and can press the sample piece in the first direction.

3. The bonding tool according to claim 2, characterized in that the pressing structure further comprises an upper member (23), and the upper member (23) penetrates into the fixing member (21) and the fixing structure (1) to mount the fixing member (21) on the fixing structure (1).

4. The bonding tool according to claim 2, characterized in that the pressing assembly (22) comprises a pressing piece (221), a fastener (222) and an elastic piece (223), the pressing piece (221) penetrates through the fixing piece (21), the fastener (222) and the elastic piece (223) are respectively arranged on two sides of the fixing piece (21), the fastener (222) is screwed on the pressing piece (221), the elastic piece (223) is sleeved on the pressing piece (221), one end of the elastic piece (223) is connected to the fixing piece (21), the other end of the elastic piece (223) is connected to the pressing piece (221), the fastener (222) and the elastic piece (223) can be matched with each other, and the position of the pressing piece (221) on the fixing piece (21) is adjusted.

5. The bonding tool according to claim 4, characterized in that the pressing assembly (22) further comprises an abutting piece (224), the abutting piece (224) is screwed to one end of the pressing piece (221), and the pressing piece (221) presses the sample piece through the abutting piece (224).

6. Bonding tool according to claim 1, characterized in that the retaining structure (3) comprises a retaining element (31) and a locking element (32), the locking element (32) being able to lock the retaining element (31) to the fixed structure (1).

7. The bonding tool according to claim 1, characterized in that the fixing structure (1) comprises a back plate (11) and a supporting body (12) which are connected with each other, the pressing structure is adjustably mounted on the supporting body (12), the shift structure (3) is connected to the supporting body (12), the back plate (11) and the supporting body (12) together form the cavity, the sample piece is placed on the supporting body (12), and the shift structure (3) and the back plate (11) cooperate to position the sample piece in the second direction.

8. The bonding tool according to claim 7, characterized in that an arc-shaped groove (121) is formed in the support body (12), and the arc-shaped groove (121) is arranged in a penetrating manner along the second direction.

9. The bonding tool according to claim 7, wherein two position-limiting members are disposed on the back plate (11), the two position-limiting members are disposed in parallel and spaced apart from each other, the sample piece is clamped between the two position-limiting members, and the two position-limiting members can position the sample piece in a third direction, which is perpendicular to the first direction and the second direction, respectively.

10. The bonding tool according to claim 7, characterized in that the back plate (11) is provided with an observation hole (111).