阅读说明：本技术 一种多通道压合零间隙热熔焊自动工装 (Automatic frock of zero clearance hot melt welding of multichannel pressfitting ) 是由 秦成英 雷才志 苏新 冯康 于 2021-08-13 设计创作，主要内容包括：一种多通道压合零间隙热熔焊自动工装,包括工装底板、压板、两个对称设置的定位支座组件、两个对称设置的卡扣和一组压头组件,所述两个对称设置的定位支座组件分别设置在工装底板沿长度方向的两端,所述两个对称设置的卡扣和两个对称设置的定位支座组件一一对应设置,并且卡扣和定位支座组件铰接,所述一组压头组件呈一列设置在压板,并且一组压头组件间隔均匀的设置,所述定位支座组件可驱动卡扣压紧在压板的端部上。本发明多通道压合零间隙热熔焊自动工装,应用了压块与压板之间的特殊材质配合,多组压头采用独立万向浮动压头的方式,能有效的增加压合面,特殊的单杆滑动机构组合可以保证焊接质量,提高生产效率。(The utility model provides an automatic frock of zero clearance hot melt welding of multichannel pressfitting, includes positioning support subassembly, the buckle and a set of pressure head subassembly that two symmetries set up that frock bottom plate, clamp plate, two symmetries set up, the positioning support subassembly that two symmetries set up sets up at frock bottom plate along length direction's both ends respectively, the buckle that two symmetries set up and the positioning support subassembly one-to-one setting that two symmetries set up to buckle and positioning support subassembly are articulated, a set of pressure head subassembly is a setting at the clamp plate to the even setting in a set of pressure head subassembly interval, the positioning support subassembly can drive the buckle and compress tightly on the tip of clamp plate. The multi-channel pressing zero-clearance hot-melt welding automatic tool disclosed by the invention applies special material matching between the pressing block and the pressing plate, the multiple groups of pressing heads adopt independent universal floating pressing heads, the pressing surface can be effectively increased, and the special single-rod sliding mechanism combination can ensure the welding quality and improve the production efficiency.)

1. The utility model provides a zero clearance hot melt welding of multichannel pressfitting automatic frock which characterized in that: including locating support subassembly (3), buckle (4) and a set of pressure head subassembly (5) that two symmetries set up that frock bottom plate (1), clamp plate (2), two symmetries set up locating support subassembly (3) that set up respectively at frock bottom plate (1) along length direction's both ends, buckle (4) that two symmetries set up and locating support subassembly (3) one-to-one setting that two symmetries set up to buckle (4) and locating support subassembly (3) are articulated, a set of pressure head subassembly (5) are a row and set up at clamp plate (2) to the even setting in a set of pressure head subassembly (5) interval, locating support subassembly (3) can drive buckle (4) and compress tightly on the tip of clamp plate (2).

2. The automatic multi-channel lamination zero-clearance thermal welding tool according to claim 1, characterized in that: tool bottom plate (1) is equipped with locating pin one (6) and locating pin two (7) respectively along length direction's both ends, clamp plate (2) length direction's both ends are equipped with bush one (8) and bush two (9) respectively, bush one (8) cover is established on locating pin one (6), bush two (9) cover is established on locating pin two (7).

3. The automatic multi-channel lamination zero-clearance thermal welding tool according to claim 2, characterized in that: tool bottom plate (1) still is equipped with locating pin three (10) and locating pin four (11) along length direction's both ends, locating pin three (10) and locating pin one (6) are located same one side, locating pin two (7) and locating pin four (11) are located same one side, bush one (8) can be established on locating pin three (10), bush two (9) can be established on locating pin four (11), locating pin three (10) and locating pin one (6) are circular round pin, locating pin two (7) and locating pin four (11) are the diamond pin, bush one (8) are waist type guide pin bushing to be equipped with breach (12) on the outer wall of bush one (8), bush two (9) are round guide pin bushing.

4. The automatic multi-channel lamination zero-clearance thermal welding tool according to claim 1, characterized in that: the tool bottom plate (1) is provided with a group of product placing grooves (13) along the length direction, the group of product placing grooves (13) are arranged in parallel in a row, the configuration relation between the group of pressure head assemblies (5) and the group of product placing grooves (13) is 2:1, and the lower end parts of the pressure head assemblies (5) can be placed in the product placing grooves (13).

5. The automatic multi-channel lamination zero-clearance thermal welding tool according to claim 1, characterized in that: the positioning support assembly (3) comprises a positioning support body (14), a pin shaft (15), a first spring (16) and a second spring (17), the positioning support body (14) is fixedly arranged on the tooling bottom plate (1), the buckle (4) is arranged on the positioning support body (14) through the pin shaft (15), the buckle (4) can rotate around the positioning support body (14), one ends of the first spring (16) and the second spring (17) are arranged on the positioning support body (14), and one ends of the first spring (16) and the second spring (17) far away from the positioning support body (14) are connected with the buckle (4).

6. The automatic multi-channel lamination zero-clearance thermal welding tool according to claim 5, characterized in that: and a first inclined surface (18) is arranged on the end surface of the buckle (4) far away from the first spring (16) and the second spring (17).

7. The automatic multi-channel lamination zero-clearance thermal welding tool according to claim 6, characterized in that: the end part of the pressure plate (2) close to the buckle (4) is provided with a concave table (19), and the buckle (4) can be clamped into the concave table (19).

8. The automatic multi-channel lamination zero-clearance thermal welding tool according to claim 4, characterized in that: pressure head subassembly (5) are including gland (20), guide arm (21), three (22) of spring, separation blade (23) and briquetting (24), gland (20) set up on the upper end of guide arm (21), separation blade (23) cover is established on the lower tip of guide arm (21), briquetting (24) and the lower tip of guide arm (21) are connected, three (22) of spring cover are established on guide arm (21) to three (22) of spring are located between gland (20) and separation blade (23), gland (20) are located clamp plate (2) top, separation blade (23) and briquetting (24) are located clamp plate (2) below, the lower tip of briquetting (24) is equipped with two briquetting arch (25), briquetting arch (25) are the cuboid, two briquetting arch (25) compress tightly respectively on the product in both sides product standing groove (13).

9. The automatic multi-channel lamination zero-clearance thermal welding tool according to claim 8, characterized in that: and a product positioning pin (26) is arranged between the pressing block (24) and a product in the product placing groove (13), and a tool positioning sleeve (27) is arranged on the tool bottom plate (1).

10. The automatic multi-channel lamination zero-clearance thermal welding tool according to claim 9, characterized in that: the tool bottom plate (1) is made of chromium zirconium copper and is plated with chromium on the surface, the pressing plate (2) is made of SUS316, and the first bushing (8), the second bushing (9) and the guide rod (21) are made of QSn6.5-0.1 tin bronze materials.

Technical Field

The invention belongs to the technical field of mechanical basic parts and manufacturing, and particularly relates to a multi-channel pressing zero-clearance hot-melt welding automatic tool.

Background

In the assembling process of the array and the belt, the two parts are difficult to be ensured to be in a long-term zero-clearance state, so that after hot-melt welding, a welding gap is generated between the two parts, and the product performance is influenced due to the fact that the whole attaching of contact surfaces cannot be met. The above described assembly process of the matrix and the tape has the following problems:

1. the matrix is of a multi-channel sheet structure with grooves, the belt is of a sheet boss structure, the sizes of the two sample pieces are smaller, and the convex-concave structures are matched with each other;

2. after the tooling bottom plate is subjected to hot melting and solidification in a high-temperature furnace, the tooling deforms, so that the array cannot be completely attached to the tooling and uniformly heated, and the welding sheets cannot be uniformly adhered to the array and the belt;

3. after passing through a high-temperature furnace for many times, the fit clearance between the guide pillar above the pressing block and the pressing plate is too small, so that the shell clamping phenomenon is easily caused, the clearance is too large, the pressing position of the pressing head is easily inaccurate, and the pressed product moves;

4. the product channel is small, and more than two guide pillars cannot be supported at the position of one convex-concave cavity;

5. the product adopts the gilt material, and the linking between the product all adopts conducting resin, scaling powder hot melt mode fastening, under the effect of high temperature, has intermolecular motion between the different materials, leads to the molecule on partial frock to run to the product of gilt and form impurity, influences the performance of product.

To sum up, need a set of special material, can satisfy the pressure equipment requirement again, can also reduce, stop the frock of the production of impurity even.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide a multi-channel press-fit zero-clearance hot-melt welding automatic tool, which solves the problem that the traditional welding mode has poor factors such as welding clearance, deformation and the like.

The technical scheme is as follows: the invention provides a multi-channel press-fit zero-clearance hot-melt welding automatic tool which comprises a tool bottom plate, a pressing plate, two symmetrically arranged positioning support assemblies, two symmetrically arranged buckles and a group of pressing head assemblies, wherein the two symmetrically arranged positioning support assemblies are respectively arranged at two ends of the tool bottom plate along the length direction, the two symmetrically arranged buckles and the two symmetrically arranged positioning support assemblies are arranged in a one-to-one correspondence mode, the buckles are hinged to the positioning support assemblies, the group of pressing head assemblies are arranged on the pressing plate in a row, the group of pressing head assemblies are arranged at uniform intervals, and the positioning support assemblies can drive the buckles to be tightly pressed on the end parts of the pressing plate. The multi-channel pressing zero-clearance hot-melt welding automatic tool disclosed by the invention applies special material matching between the pressing block and the pressing plate, the multiple groups of pressing heads adopt independent universal floating pressing heads, the pressing surface can be effectively increased, and the special single-rod sliding mechanism combination can ensure the welding quality and improve the production efficiency.

Furthermore, according to the multi-channel press-fit zero-clearance hot-melt welding automatic tool, a first positioning pin and a second positioning pin are arranged at the two ends of the tool bottom plate along the length direction respectively, a first bushing and a second bushing are arranged at the two ends of the pressing plate along the length direction respectively, the first bushing is sleeved on the first positioning pin, and the second bushing is sleeved on the second positioning pin.

Further, foretell zero clearance hot melt welding automatic frock of multichannel pressfitting, the frock bottom plate still is equipped with locating pin three and locating pin four along length direction's both ends, locating pin three and locating pin one are located same one side, locating pin two and locating pin four are located same one side, bush one can overlap and establish on locating pin three, bush two can overlap and establish on locating pin four, locating pin three and locating pin one are circular round pin, locating pin two and locating pin four are the diamond pin, bush one is waist type guide pin bushing to be equipped with the breach on the outer wall of bush one, bush two is circular guide pin bushing. The cooperation of the round pin and the diamond pin increases the smoothness of guiding, can also ensure the precision, enlarges the adjusting clearance and increases the fault tolerance of guiding to the maximum extent.

Further, according to the multi-channel press-fit zero-gap thermal welding automatic tool, the tool bottom plate is provided with a group of product placing grooves along the length direction, the group of product placing grooves are arranged in parallel in a row, the configuration relation between the group of pressure head assemblies and the group of product placing grooves is 2:1, and the lower end parts of the pressure head assemblies can be placed in the product placing grooves.

Furthermore, foretell zero clearance hot melt welding of multichannel pressfitting is from moving work piece, the location support subassembly includes location support body, round pin axle, spring one and spring two, the location support body is fixed to be set up on the frock bottom plate, the buckle passes through the round pin axle and sets up on the location support body to the buckle can rotate around the location support body, the one end setting of spring one and spring two is on the location support body, and the one end and the buckle connection that the location support body was kept away from to spring one and spring two.

Furthermore, according to the multi-channel press-fit zero-clearance hot-melt welding automatic tool, the end faces, far away from the first spring and the second spring, of the buckles are provided with the first inclined face.

Further, the multichannel pressfitting zero clearance hot melt welding automatic fixture, the tip that the clamp plate is close to the buckle is equipped with the concave station, the buckle can block in the concave station.

Further, foretell zero clearance hot melt welding of multichannel pressfitting is from moving frock, the pressure head subassembly includes gland, guide arm, spring three, separation blade and briquetting, the gland sets up on the upper end of guide arm, the separation blade cover is established on the lower tip of guide arm, the lower tip of briquetting and guide arm is connected, the spring three sets are established on the guide arm to the spring tribit is between gland and separation blade, the gland is located the clamp plate top, separation blade and briquetting are located the clamp plate below, the lower tip of briquetting is equipped with two briquetting archs, the briquetting arch is the cuboid, two briquetting archs compress tightly respectively on the product of both sides product standing groove.

Further, foretell zero clearance hot melt welding of multichannel pressfitting automatic frock, be equipped with the product locating pin between the product in briquetting and the product standing groove, be equipped with the frock position sleeve on the frock bottom plate. The product locating pin is the little step cylindric lock, and the product leans on this product locating pin and product standing groove to fix a position.

Further, according to the multi-channel press-fit zero-gap hot-melt welding automatic tool, the tool bottom plate is made of chromium zirconium copper and is plated with chrome on the surface, the pressing plate is made of SUS316, and the first bushing, the second bushing and the guide rod are made of QSn6.5-0.1 tin bronze materials.

The technical scheme shows that the invention has the following beneficial effects: the multi-channel laminating zero-gap thermal welding automatic tool is often applied to thermal welding occasions with high assembly precision requirements in precise electronic product assemblies. The problems that due to the fact that the pressing plate, the supporting plate and other materials are incorrectly selected, a gap exists between products, heating is uneven, and the products are not assembled properly are solved. The tool fully utilizes the characteristics among materials and the micro single-rod sliding mechanism to solve the problems, can reduce the reject ratio of products, and improves the performance and the precision requirement of the products.

Drawings

FIG. 1 is a schematic structural view of the multi-channel zero-gap thermal welding automatic tool for lamination according to the present invention;

FIG. 2 is a schematic view of a partial structure of the multi-channel zero-gap thermal welding automatic tool for lamination according to the present invention;

fig. 3 is a schematic structural diagram of the pressure head assembly of the present invention.

In the figure: the fixture comprises a fixture bottom plate 1, a pressing plate 2, a positioning support component 3, a buckle 4, a pressure head component 5, a first positioning pin 6, a second positioning pin 7, a first bushing 8, a second bushing 9, a third positioning pin 10, a fourth positioning pin 11, a notch 12, a product placing groove 13, a positioning support body 14, a pin shaft 15, a first spring 16, a second spring 17, a first inclined surface 18, a concave platform 19, a pressing cover 20, a guide rod 21, a third spring 22, a blocking piece 23, a pressing block 24, a pressing block bulge 25, a product positioning pin 26 and a fixture positioning sleeve 27.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via 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.

Example one

The multichannel pressfitting zero clearance thermofussion welding automatic frock as shown in fig. 1, 2, including frock bottom plate 1, clamp plate 2, the locating support subassembly 3 that two symmetries set up, buckle 4 and a set of pressure head subassembly 5 that two symmetries set up, the locating support subassembly 3 that two symmetries set up sets up at frock bottom plate 1 along length direction's both ends respectively, the buckle 4 that two symmetries set up and the locating support subassembly 3 one-to-one setting that two symmetries set up to buckle 4 and locating support subassembly 3 are articulated, a set of pressure head subassembly 5 is a row and sets up at clamp plate 2 to a set of pressure head subassembly 5 interval is even setting up, locating support subassembly 3 can drive buckle 4 and compress tightly on the tip of clamp plate 2.

The tool bottom plate 1 is provided with a first positioning pin 6 and a second positioning pin 7 along two ends of the length direction respectively, two ends of the pressing plate 2 in the length direction are provided with a first bushing 8 and a second bushing 9 respectively, the first bushing 8 is sleeved on the first positioning pin 6, and the second bushing 9 is sleeved on the second positioning pin 7. Tool bottom plate 1 still is equipped with three 10 of locating pin and four 11 of locating pin along length direction's both ends, three 10 of locating pin and one 6 of locating pin are located same one side, two 7 of locating pins and four 11 of locating pin are located same one side, bushing one 8 can overlap and establish on three 10 of locating pin, bushing two 9 can overlap and establish on four 11 of locating pin, three 10 of locating pin and one 6 of locating pin are circular round pin, two 7 of locating pin and four 11 of locating pin are the diamond pin, bushing one 8 is waist type guide pin bushing to be equipped with breach 12 on bushing one 8's the outer wall, bushing two 9 is the circle guide pin bushing.

In addition, the tooling bottom plate 1 is provided with a group of product placing grooves 13 along the length direction, the group of product placing grooves 13 are arranged in parallel in a row, the arrangement relationship between the group of pressing head assemblies 5 and the group of product placing grooves 13 is 2:1, and the lower end parts of the pressing head assemblies 5 can be placed in the product placing grooves 13.

In addition, the positioning support assembly 3 comprises a positioning support body 14, a pin shaft 15, a first spring 16 and a second spring 17, the positioning support body 14 is fixedly arranged on the tooling bottom plate 1, the buckle 4 is arranged on the positioning support body 14 through the pin shaft 15, the buckle 4 can rotate around the positioning support body 14, one ends of the first spring 16 and the second spring 17 are arranged on the positioning support body 14, and one ends, far away from the positioning support body 14, of the first spring 16 and the second spring 17 are connected with the buckle 4. The end face, far away from the first spring 16 and the second spring 17, of the buckle 4 is provided with a first inclined face 18. The end part of the pressure plate 2 close to the buckle 4 is provided with a concave platform 19, and the buckle 4 can be clamped into the concave platform 19.

The pressing head assembly 5 shown in fig. 3 comprises a pressing cover 20, a guide rod 21, a spring three 22, a blocking piece 23 and a pressing block 24, wherein the pressing cover 20 is arranged on the upper end portion of the guide rod 21, the blocking piece 23 is sleeved on the lower end portion of the guide rod 21, the pressing block 24 is connected with the lower end portion of the guide rod 21, the spring three 22 is sleeved on the guide rod 21, the spring three 22 is located between the pressing cover 20 and the blocking piece 23, the pressing cover 20 is located above the pressing plate 2, the blocking piece 23 and the pressing block 24 are located below the pressing plate 2, two pressing block protrusions 25 are arranged at the lower end portion of the pressing block 24, the pressing block protrusions 25 are rectangular bodies, and the two pressing block protrusions 25 are respectively pressed on products in the product placing grooves 13 at two sides. A product positioning pin 26 is arranged between the pressing block 24 and a product in the product placing groove 13, and a tool positioning sleeve 27 is arranged on the tool bottom plate 1

The working principle of the automatic multi-channel laminating zero-gap hot-melt welding tool is as follows:

the initial position of the pressing plate 2 is located on the third positioning pin 10 and the fourth positioning pin 11, the pressing plate is grabbed and moved to the first positioning pin 6 and the second positioning pin 7 through the automatic grabbing mechanism, the pressing plate 2 presses the two symmetrically arranged buckles 4 downwards, the buckles 4 compress the first spring 16 and the second spring 17, the pressing plate 2 is pressed into the buckles 4, the pressing cover 20 is pressed downwards, the pressing block 24 is pressed on a product, and the pressing action of the tool is achieved.

Example two

Based on the structure of the embodiment, the key technical points of the invention are that the tool is provided with: the fixture comprises a fixture bottom plate 1, a pressing plate 2, a positioning support component 3, a buckle 4, a pressure head component 5, a positioning pin I6, a positioning pin II 7, a bush I8, a bush II 9, a positioning pin III 10, a positioning pin IV 11, a notch 12, a product placing groove 13, a positioning support body 14, a pin shaft 15, a spring I16, a spring II 17, an inclined plane I18, a concave platform 19, a pressing cover 20, a guide rod 21, a spring III 22, a blocking piece 23, a pressing block 24, a pressing block bulge 25, a product positioning pin 26 and a fixture positioning sleeve 27.

(1) The tool bottom plate 1 is made of chromium zirconium copper and is plated with chromium on the surface, the tool bottom plate 1 is made of a material which is selected to be very important, the strength of parts is improved, deformation is prevented, and the tool bottom plate has good heat conductivity. The tool bottom plate 1 can also be made of AL7075 material and is used in other smaller workplaces.

(2) The material of the pressure plate 2 is SUS316, the material of the first bushing 8, the second bushing 9 and the material of the guide rod are QSn6.5-0.1 tin bronze, the material of the pressure plate is SUS316, tool steel and the like, the material of the first bushing 8 and the material of the second bushing 9 are QSn6.5-0.1 tin bronze, the first bushing 8 and the second bushing 9 are fixed on the pressure plate 2, and the relative hardness and smoothness can be kept between the QSn6.5-0.1 tin bronze and the SUS316 material. The tool does not exclude the mutual selection and matching of QSn6.5-0.1 tin bronze materials and high-hardness materials such as tool steel and the like.

(3) In the pressure head component 5, the guide rod 8 is made of QSn6.5-0.1 tin bronze, the movable pressing block 24 at the tail end is made of white Teflon, and the cambered surface at the tail end of the guide rod 8 is matched with the cambered surface of the pressing block, so that the pressing block can adapt to a product with a better product angle, the product can reach a zero-clearance state and be uniformly heated, and the requirement of hot-melt welding can be met.

(4) As shown in the material specification table of Table 1, the materials in the table are selected and used, so that the optimal cost performance is suitable for the current situation. The tool does not exclude the guide fit of QSn6.5-0.1 tin bronze material and high-hardness material such as tool steel, the press-fit contact surface of the product is made of Teflon material, the product supporting tool is made of chromium zirconium copper, and the product binding surface can be increased. Other auxiliary materials are made of SUS316, so that the cost performance is high, and the process requirements can be guaranteed. The product quality is ensured, and the production efficiency is improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.