A bonding process of thermosetting conductive adhesive and reinforcing steel sheet

Abstract

The present invention discloses a bonding process for thermosetting conductive adhesive and reinforcing steel sheets, and relates to the technical field of processing of reinforcing steel sheets. The bonding process for thermosetting conductive adhesive and reinforcing steel sheets includes five steps: steel sheet pretreatment, positioning, hot pressing, shaping and trimming, and punching. The bonding process for thermosetting conductive adhesive and reinforcing steel sheets can make the thermosetting conductive adhesive and reinforcing steel sheets fit perfectly. Compared with the traditional bonding process for thermosetting conductive adhesive and reinforcing steel sheets, the bonding process first bonds the thermosetting conductive adhesive to the reinforcing steel sheets, and then cuts the reinforcing steel sheets according to production requirements. This method is not only highly efficient, but can also effectively promote the production and manufacturing speed of reinforcing steel sheets. No bubbles will appear during the bonding process, and there is no need to cut the reinforcing steel sheets and thermosetting conductive adhesive separately. In addition, the working experience requirements for the operator are low, and it is easy to get started, convenient for promotion and use.

Description

Technical Field

[0001] The present invention relates to the technical field of processing reinforcing steel sheets, and in particular to a laminating process of thermosetting conductive adhesive and reinforcing steel sheets. Background Art

[0002] The process for bonding thermosetting conductive adhesive to reinforcing steel sheets, with publication number CN108124377A, includes the following steps: slicing, cutting the raw material of the stainless steel reinforcing steel sheet in coil form into large semi-finished products; etching, using a chemical etching process to dissolve the shapes of several stainless steel reinforcing steel sheets on the large semi-finished product; shaping, cutting the entire sheet of thermosetting conductive adhesive into shapes corresponding to the stainless steel reinforcing steel sheets; and false bonding, first placing the thermosetting conductive adhesive in a hot press mold, and then placing the stainless steel reinforcing steel sheet on the mold. On top of the thermosetting conductive adhesive, the hot press presses down to preliminarily fix the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet; during hot pressing, the room temperature is set to 23-27°C, the hot press is started and pressed down, so that the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet are pressed together under high temperature and high pressure. During the pressing process, the pressure of the hot press is 8±0.4MP; through the control of ambient temperature, hot press pressure and hot press mold temperature, the stainless steel reinforcing steel sheet can reach a thickness of 0.13-0.15mm.

[0003] The above-mentioned bonding process of the thermosetting conductive adhesive and the reinforcing steel sheet requires cutting the reinforcing steel sheet and the thermosetting conductive adhesive separately during use, and the thermosetting conductive adhesive needs to be cut according to the shape and size of the reinforcing steel sheet. This method is not only inefficient, but also has high requirements for the experience of the cutter, and is not easy to use, so it is not convenient for promotion and use. Summary of the Invention

[0004] The object of the present invention is to provide a process for bonding thermosetting conductive adhesive to reinforcing steel sheets, which can solve the problem of cutting the reinforcing steel sheets and the thermosetting conductive adhesive separately, and cutting the thermosetting conductive adhesive according to the shape and size of the reinforcing steel sheets. This method is not only inefficient, but also has high requirements on the experience of the cutters and is not easy to use.

[0005] To achieve the above object, the present invention provides the following technical solution: a process for laminating a thermosetting conductive adhesive to a reinforcing steel sheet, comprising the following steps:

[0006] S1. Pretreatment of steel sheets: Cut the coiled stainless steel reinforcing steel sheet raw material into large rectangular stainless steel reinforcing steel sheets, then flatten the cut stainless steel reinforcing steel sheets, and then scrub the stainless steel reinforcing steel sheets with a detergent. After scrubbing, wipe the surface dry with a rag, and then let it dry naturally.

[0007] S2, positioning; placing the solid conductive adhesive in the hot press mold, and then placing the stainless steel reinforcing steel sheet obtained in S1 on the solid conductive adhesive, controlling the hot press to press down the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet to initially fit together;

[0008] S3, hot pressing; start the hot press to heat the solid conductive adhesive to make it sticky, and then control the hot press to press down so that the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet are pressed together under high temperature and high pressure;

[0009] S4, shaping and trimming; after the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet are bonded together in S3, wait for the temperature of the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet to drop. When they cool to room temperature, they are removed from the hot press. Then, the stainless steel reinforcing steel sheet is placed on a trimming device, and the excess thermosetting conductive adhesive at the edge of the stainless steel reinforcing steel sheet is trimmed to make it neat and beautiful.

[0010] S5, punching; punching the stainless steel reinforcing steel plate obtained in S4, cutting the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet according to the shape required for production, and punching the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet together into the product shape.

[0011] Preferably, the indoor temperature when the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet in S2 are bonded together is 23-27 degrees Celsius.

[0012] Preferably, the pressure during the hot press pressing process in S3 is 8±0.4 MPa.

[0013] Preferably, the trimming equipment also includes a workbench, a positioning mechanism and a trimming mechanism. A placing table is fixedly installed on the workbench, a positioning plate is fixedly installed on the top of the workbench, the positioning mechanism is arranged on the workbench, the positioning mechanism is used to position the trimming of the stainless steel reinforcing steel sheet, and the trimming mechanism is arranged on the positioning mechanism, and the trimming mechanism is used to trim the stainless steel reinforcing steel sheet.

[0014] Preferably, the positioning mechanism includes a slide rail, a slide seat, a fixed plate and a first threaded rod. The slide rail is fixedly installed on the top of the workbench. There are two groups of slide rails and they are arranged in a front-to-back manner. The slide seat is slidably installed on the top of the slide rail. The adjacent side walls of the two groups of slide seats are fixedly installed with a connecting rod. Two groups of fixed plates are fixedly installed on the top of the workbench. The first threaded rod is rotatably installed with adjacent side walls of the two groups of fixed plates. A threaded groove is opened inside one group of slide seats and is threadedly installed with the first threaded rod. The thermosetting conductive adhesive and the reinforcing steel sheet after bonding are trimmed. It is suitable for trimming thermosetting conductive adhesive and reinforcing steel sheets of different sizes. It not only has a wide range of uses, but also is convenient for positioning and trimming reinforcing steel sheets of different sizes.

[0015] Preferably, the trimming mechanism includes a movable plate, a motor, a second threaded rod, a sliding rod, a movable block and a trimming blade. The movable plate is fixedly installed on the top of the two sets of slide seats, and a motor is fixedly installed on the rear side of one set of movable plates. The second threaded rod is rotatably installed on the adjacent side walls of the two sets of movable plates. The output shaft of the motor is fixedly connected to the second threaded rod through a coupling, and the sliding rod is fixedly installed on the adjacent side walls of the two sets of movable plates. A movable block is provided on the second threaded rod and the sliding rod, and the movable block is threadedly installed with the second threaded rod, and the movable block is slidably installed with the sliding rod. The trimming blade is fixedly installed on the bottom of the movable block. The equipment has a simple structure and is easy to operate. The thermosetting conductive adhesive and the reinforcing steel sheet after trimming are neat and beautiful, and will not cause damage to the reinforcing steel sheet. It has high practicality and plasticity, and is easy to promote and use.

[0016] Preferably, one end of the first threaded rod extends to an outer wall of one side of one set of fixed plates and is fixedly mounted with a rotating handle to facilitate driving the first threaded rod to rotate.

[0017] Preferably, a collecting box is fixedly installed on the workbench, a slag discharge port is opened inside the workbench, the top of the collecting box is open, a slag discharge pipe is fixedly installed on the bottom of the collecting box, one end of the slag discharge pipe is connected to the interior of the collecting box, and a threaded cover is threadedly installed on the other end of the slag discharge pipe to facilitate the discharge of the residue after trimming.

[0018] Preferably, two sets of guide plates are fixedly installed inside the collection box, and both sets of guide plates are inclined to prevent residues from accumulating in the collection box.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] (1) The bonding process of the thermosetting conductive adhesive and the reinforcing steel sheet can make the thermosetting conductive adhesive and the reinforcing steel sheet fit perfectly through the five steps of steel sheet pretreatment, positioning, hot pressing, shaping and trimming, and punching. Compared with the traditional bonding process of the thermosetting conductive adhesive and the reinforcing steel sheet, the bonding process first bonds the thermosetting conductive adhesive and the reinforcing steel sheet, and then cuts the reinforcing steel sheet according to production requirements. This method is not only highly efficient, but also can effectively promote the production and manufacturing speed of the reinforcing steel sheet. No bubbles will appear during the bonding process, and there is no need to cut the reinforcing steel sheet and the thermosetting conductive adhesive separately. In addition, the working experience requirement for the operator is low, and it is easy to use and convenient for promotion and use.

[0021] (2) The bonding process of the thermosetting conductive adhesive and the reinforcing steel sheet is carried out by using a workbench, a placement table, a positioning plate, a slide rail, a slide seat, a fixed plate, a first threaded rod, a moving plate, a motor, a second threaded rod, a slide rod, a moving block and a trimming blade to trim the thermosetting conductive adhesive and the reinforcing steel sheet after bonding. The process is suitable for trimming thermosetting conductive adhesive and reinforcing steel sheets of different sizes. It not only has a wide range of uses, but also is convenient for positioning and trimming reinforcing steel sheets of different sizes. The equipment has a simple structure and is easy to operate. The thermosetting conductive adhesive and the reinforcing steel sheet after trimming are neat and beautiful, and will not cause damage to the reinforcing steel sheet. It has high practicality and plasticity, and is easy to promote and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0023] Figure 1 is a cross-sectional view of the present invention;

[0024] Figure 2 It is a front view of the present invention;

[0025] Figure 3 It is a right side view of the motor of the present invention;

[0026] Figure 4 It is an enlarged view of part A of the present invention.

[0027] Figure numerals: 1. workbench; 2. placing table; 3. positioning plate; 4. positioning mechanism; 401. slide rail; 402. slide seat; 403. fixed plate; 404. first threaded rod; 5. trimming mechanism; 501. moving plate; 502. motor; 503. second threaded rod; 504. slide rod; 505. moving block; 506. trimming blade; 6. rotating handle; 7. collecting box; 8. slag discharge pipe; 9. guide plate. DETAILED DESCRIPTION

[0028] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it should not be understood as a limitation on the scope of protection of the present invention.

[0029] See also Figure 1-4The present invention provides a technical solution: a bonding process of a thermosetting conductive adhesive and a reinforcing steel sheet, comprising the following steps: step one, pre-treating the steel sheet; cutting the coiled stainless steel reinforcing steel sheet raw material into large rectangular stainless steel reinforcing steel sheets, then leveling the cut stainless steel reinforcing steel sheets, and then scrubbing the rusty steel reinforcing steel sheets with a detergent, wiping the surface dry with a rag after scrubbing, and then leaving it to dry naturally; step two, positioning; placing the solid conductive adhesive in a hot press mold, and then placing the stainless steel reinforcing steel sheet obtained in step one on the solid conductive adhesive, controlling the hot press to press down to preliminarily bond the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet; step three, hot pressing; starting the hot press to heat the solid conductive adhesive to make it sticky, and then controlling the hot press to press down to bond the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet. Press them together under high temperature and high pressure; Step 4, shaping and trimming; After the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet are bonded together in Step 3, wait for the temperature of the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet to drop, and remove them from the hot press when they cool to room temperature. Then, place the stainless steel reinforcing steel plate on the trimming equipment, and trim the excess thermosetting conductive adhesive at the edge of the stainless steel reinforcing steel plate to make it neat and beautiful; Step 5, punching; punch out the stainless steel reinforcing steel plate obtained in Step 4, and cut the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet according to the shape required for production, so that the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet are punched out of the product shape together. The indoor temperature when the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet are bonded in Step 2 is 23-27 degrees Celsius, and the pressure during the hot press pressing process in Step 3 is 8±0.4MP.

[0030] The trimming equipment also includes a workbench 1, a positioning mechanism 4 and a trimming mechanism 5. A placing table 2 is fixedly installed on the workbench 1, and a positioning plate 3 is fixedly installed on the top of the workbench 1. The positioning mechanism 4 is arranged on the workbench 1, and the positioning mechanism 4 is used to position the trimming of the stainless steel reinforcing steel sheet. The trimming mechanism 5 is arranged on the positioning mechanism 4. The trimming mechanism 5 is used to trim the stainless steel reinforcing steel sheet. The positioning mechanism 4 includes a slide rail 401, a slide seat 402, a fixed plate 403 and a first threaded rod 404. The slide rail 401 is fixedly installed on the top of the workbench 1. The number of slide rails 401 is two groups and they are arranged front and back. The slide seat 402 is slidably installed on the top of the slide rail 401, and the adjacent side walls of the two groups of slide seats 402 are fixedly installed with connecting rods. Rod, two sets of fixed plates 403 are fixedly installed on the top of the workbench 1, and the adjacent side walls of the two sets of fixed plates 403 are rotatably installed with the first threaded rod 404. A threaded groove is opened inside the slide seat 402 and is threadedly installed with the first threaded rod 404. The thermosetting conductive adhesive and the reinforcing steel sheet after bonding are trimmed. It is suitable for trimming thermosetting conductive adhesive and reinforcing steel sheets of different sizes. It not only has a wide range of uses, but also is convenient for positioning and trimming reinforcing steel sheets of different sizes. The trimming mechanism 5 includes a moving plate 501, a motor 502, a second threaded rod 503, a slide rod 504, a moving block 505 and a trimming blade 506. The tops of the two sets of slide seats 402 are fixedly installed with a moving plate 501, and one set of moving plates 5 01 is fixedly installed with a motor 502 on the rear side, and the adjacent side walls of the two sets of movable plates 501 are rotatably installed with a second threaded rod 503. The output shaft of the motor 502 is fixedly connected to the second threaded rod 503 through a coupling, and the slide bar 504 is fixedly installed on the adjacent side walls of the two sets of movable plates 501. A moving block 505 is provided on the second threaded rod 503 and the slide bar 504. The moving block 505 is threadedly installed with the second threaded rod 503, and the moving block 505 is slidably installed with the slide bar 504. The trimming blade 506 is fixedly installed at the bottom of the moving block 505. After the thermosetting conductive glue and the reinforcing steel sheet are bonded, they are placed on the placement table 2 so that one side of the reinforcing steel sheet is tightly attached to the outer wall of one side of the positioning plate 3. Then the rotating handle 6 is controlled to rotate to drive the first The threaded rod 404 rotates, and the principle of the first threaded rod 404 and the slide 402 being threadedly installed is utilized to drive the slide 402 to move laterally on the slide rail 401, and then the trimming blade 506 is driven to move laterally, so that the trimming blade 506 contacts one side of the reinforcing steel sheet, and then the start of the motor 502 is controlled to drive the second threaded rod 503 to rotate, and the principle of the second threaded rod 503 and the moving block 505 being threadedly installed is utilized to drive the moving block 505 and the trimming blade 506 to move laterally, thereby cutting off the excess thermosetting conductive adhesive on one side of the reinforcing steel sheet. The device has a simple structure and is easy to operate. The thermosetting conductive adhesive after trimming and the reinforcing steel sheet are neat and beautiful, and will not cause damage to the reinforcing steel sheet. It has high practicality and plasticity, and is easy to promote and use.One end of the first threaded rod 404 extends to the outer wall of one side of one set of fixed plates 403 and is fixedly installed with a rotating handle 6, which is convenient for driving the first threaded rod 404 to rotate. A collection box 7 is fixedly installed on the workbench 1. A slag discharge port is opened inside the workbench 1. The top of the collection box 7 is open. A slag discharge pipe 8 is fixedly installed at the bottom of the collection box 7. One end of the slag discharge pipe 8 is connected to the interior of the collection box 7. A threaded cover is threadedly installed on the other end of the slag discharge pipe 8 to facilitate the discharge of the residue after trimming. Two sets of guide plates 9 are fixedly installed inside the collection box 7. Both sets of guide plates 9 are set at an angle to prevent residue from accumulating in the collection box 7.

[0031] Working principle: When in use, after the thermosetting conductive adhesive is bonded to the reinforcing steel sheet, it is placed on the placement table 2 so that one side of the reinforcing steel sheet is close to the outer wall of one side of the positioning plate 3, and then the rotating handle 6 is controlled to rotate, driving the first threaded rod 404 to rotate, and utilizing the principle of threaded installation of the first threaded rod 404 and the slide 402, drive the slide 402 to move horizontally on the slide rail 401, and then drive the trimming blade 506 to move horizontally so that the trimming blade 506 contacts one side of the reinforcing steel sheet, and then control the start of the motor 502 to drive the second threaded rod 503 to rotate, and utilizing the principle of threaded installation of the second threaded rod 503 and the moving block 505, drive the moving block 505 and the trimming blade 506 to move horizontally to cut off the excess thermosetting conductive adhesive on one side of the reinforcing steel sheet.

[0032] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the scope of the present invention.

Claims

1. A process for bonding a thermosetting conductive adhesive to a reinforcing steel sheet, characterized in that: The following steps are involved: S1. Pretreatment of steel sheets: Cut the coiled stainless steel reinforcing steel sheet raw material into large rectangular stainless steel reinforcing steel sheets, then flatten the cut stainless steel reinforcing steel sheets, and then scrub the stainless steel reinforcing steel sheets with a detergent. After scrubbing, wipe the surface dry with a rag, and then let it dry naturally. S2, positioning; placing the thermosetting conductive adhesive in a hot press mold, and then placing the stainless steel reinforcing steel sheet obtained in S1 on top of the thermosetting conductive adhesive, controlling the hot press to press down the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet to initially fit together; S3, hot pressing; start the hot press to heat the thermosetting conductive adhesive to make it sticky, and then control the hot press to press down so that the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet are pressed together under high temperature and high pressure; S4, shaping and trimming; after the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet are bonded together in S3, wait for the temperature of the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet to drop. When they cool to room temperature, they are removed from the hot press and then placed on a trimming device to trim the excess thermosetting conductive adhesive at the edge of the stainless steel reinforcing steel sheet to make it neat and beautiful; S5, punching; the stainless steel reinforcing steel sheet obtained in S4 is punched out, and the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet are cut according to the shape of the production requirements, so that the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet are punched out together to form the product shape; The trimming equipment also includes: A workbench (1) is fixedly provided with a placement table (2), and a positioning plate (3) is fixedly provided on the top of the workbench (1); A positioning mechanism (4) is provided on the workbench (1), and the positioning mechanism (4) is used to perform positioning processing on the trimming portion of the stainless steel reinforcing steel sheet; A trimming mechanism (5) is provided on the positioning mechanism (4), and the trimming mechanism (5) is used to perform trimming processing on the stainless steel reinforcement steel sheet; The trimming mechanism (5) comprises a movable plate (501), a motor (502), a second threaded rod (503), a slide rod (504), a movable block (505) and a trimming blade (506). The tops of the two sets of slide seats (402) are fixedly mounted with movable plates (501), the rear side of one set of movable plates (501) is fixedly mounted with a motor (502), the adjacent side walls of the two sets of movable plates (501) are rotatably mounted with second threaded rods (503), the motor (504) is fixedly mounted with a motor (502), and the second threaded rods (503) are rotatably mounted with a motor (504). 2) is fixedly connected to the second threaded rod (503) through a coupling, the slide rod (504) is fixedly mounted on the adjacent side walls of the two sets of movable plates (501), the second threaded rod (503) and the slide rod (504) are provided with a moving block (505), the moving block (505) is threadedly mounted on the second threaded rod (503), the moving block (505) is slidably mounted on the slide rod (504), and the trimming blade (506) is fixedly mounted on the bottom of the moving block (505).

2. The process for bonding a thermosetting conductive adhesive to a reinforcing steel sheet according to claim 1, wherein: The indoor temperature when the thermosetting conductive adhesive and the stainless steel reinforcing steel sheet in S2 are bonded together is 23-27 degrees Celsius.

3. The process for bonding a thermosetting conductive adhesive to a reinforcing steel sheet according to claim 1, wherein: The pressure during the hot press pressing process in S3 is 8±0.4 MPa.

4. The process for bonding a thermosetting conductive adhesive to a reinforcing steel sheet according to claim 3, wherein: The positioning mechanism (4) includes a slide rail (401), a slide seat (402), a fixed plate (403) and a first threaded rod (404), wherein the slide rail (401) is fixedly mounted on the top of the workbench (1), the slide rails (401) are in two groups and are arranged front to back, the slide seat (402) is slidably mounted on the top of the slide rail (401), adjacent side walls of the two groups of slide seats (402) are fixedly mounted with connecting rods, two groups of fixed plates (403) are fixedly mounted on the top of the workbench (1), and the first threaded rod (404) is rotatably mounted on adjacent side walls of the two groups of fixed plates (403), wherein a threaded groove is provided inside one group of slide seats (402) and is threadedly mounted with the first threaded rod (404).

5. The process for bonding a thermosetting conductive adhesive to a reinforcing steel sheet according to claim 4, characterized in that: One end of the first threaded rod (404) extends to an outer wall of one side of one set of fixed plates (403) and is fixedly mounted with a rotating handle (6).

6. The process for bonding a thermosetting conductive adhesive to a reinforcing steel sheet according to claim 5, wherein: A collecting box (7) is fixedly mounted on the workbench (1), a slag discharge port is provided inside the workbench (1), the top of the collecting box (7) is open, a slag discharge pipe (8) is fixedly mounted on the bottom of the collecting box (7), one end of the slag discharge pipe (8) is communicated with the interior of the collecting box (7), and a threaded cover is threadedly mounted on the other end of the slag discharge pipe (8).

7. The process for bonding a thermosetting conductive adhesive to a reinforcing steel sheet according to claim 6, characterized in that: Two sets of material guide plates (9) are fixedly installed inside the collection box (7), and both sets of material guide plates (9) are arranged at an angle.

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