阅读说明：本技术 电子行业用缓冲垫及其生产工艺 (Cushion pad for electronic industry and production process thereof ) 是由 金刚 沈建东 殷海刚 高铁军 杨卫东 于 2021-01-20 设计创作，主要内容包括：本发明一种电子行业用缓冲垫及其生产工艺,包含有橡胶板(1),以及复合于橡胶板(1)上下表面上的金属板(2)；所述金属板(2)与橡胶板(1)的接触面设置有增粘层,且金属板(2)与橡胶板(1)之间夹持有粘结剂层；所述橡胶板(1)包含有位于中间的弹性骨架布(1.1),所述弹性骨架布(1.1)的上下表面覆合有橡胶层(1.2)；其生产工艺步骤为：将裁切好的钢板一侧表面打磨形成增粘层后,将两侧复合有半固化片的橡胶板夹持在两片钢板之间进行热压复合,最后对成型的缓冲垫的四周进行冲切至成品尺寸。本发明一种电子行业用缓冲垫及其生产工艺,能够保证线路板叠压后的平直度。(The invention relates to a cushion pad for electronic industry and a production process thereof, which comprises a rubber plate (1) and metal plates (2) compounded on the upper surface and the lower surface of the rubber plate (1); an adhesion promotion layer is arranged on the contact surface of the metal plate (2) and the rubber plate (1), and an adhesive layer is clamped between the metal plate (2) and the rubber plate (1); the rubber plate (1) comprises elastic skeleton cloth (1.1) positioned in the middle, and the upper surface and the lower surface of the elastic skeleton cloth (1.1) are covered with a rubber layer (1.2); the production process comprises the following steps: and after polishing the surface of one side of the cut steel plate to form an adhesion layer, clamping the rubber plate with prepregs compounded on two sides between two steel plates for hot-pressing compounding, and finally punching the periphery of the formed cushion pad to the size of a finished product. The cushion pad for the electronic industry and the production process thereof can ensure the flatness of the laminated circuit board.)

1. A cushion pad for electronic industry, which is characterized in that: comprises a rubber plate (1) and metal plates (2) compounded on the upper and lower surfaces of the rubber plate (1).

2. The cushioning pad for the electronics industry of claim 1, wherein: the contact surface of the metal plate (2) and the rubber plate (1) is provided with an adhesion promotion layer, and an adhesive layer is clamped between the metal plate (2) and the rubber plate (1).

3. The cushioning pad for the electronics industry of claim 1, wherein: the rubber plate (1) comprises elastic skeleton cloth (1.1) positioned in the middle, and the upper surface and the lower surface of the elastic skeleton cloth (1.1) are covered with a rubber layer (1.2).

4. The cushioning pad for electronic industry as set forth in claim 3, wherein: the rubber layer (1.2) is made of silicon rubber, and the elastic framework cloth (1.1) is made of aramid or high-elasticity fabric.

5. A production process of a cushion pad for the electronic industry is characterized by comprising the following steps: the process comprises the following steps: and after polishing the surface of one side of the cut steel plate to form an adhesion layer, clamping the rubber plate with prepregs compounded on two sides between two steel plates for hot-pressing compounding, and finally punching the periphery of the formed cushion pad to the size of a finished product.

6. The process for producing a cushion pad for the electronics industry as claimed in claim 5, wherein: the cut steel plates are sent into a grinding mechanism (113) through a feeding conveyer belt (112) to be ground to form an adhesion-promoting layer and then are output through a metal plate conveyer belt (110), one path of the metal plates output by the metal plate conveyer belt (110) is directly conveyed to an upper metal plate rest rack (102) through an upper metal plate conveyer belt (104) to be used as an upper metal plate, the other path of the metal plates is pushed through a pushing cylinder (106) and then is turned 180 degrees by a turning plate (109) to be used as a lower metal plate and is conveyed to a lower metal plate rest rack (103) through a lower metal plate conveyer belt (105), then a six-axis manipulator (114) between the lower metal plate rest rack (103) and the upper metal plate rest rack (102) firstly adsorbs the lower metal plate on the lower metal plate rest rack (103) to a mold frame of a hot press (101) through an electromagnet at the end part of the six-axis manipulator, and then rubber plates with prepregs compounded on two sides are covered on the lower metal plate, then the six-axis mechanical arm (114) absorbs the lower metal plate on the upper metal plate rest rack (102) through the electromagnet at the end part of the six-axis mechanical arm, transfers and presses the lower metal plate on the rubber plate, and finally starts the hot press (101) to carry out hot press molding.

7. The process for producing a cushion pad for the electronics industry as claimed in claim 6, wherein: the pushing cylinder (106) is positioned between the upper metal plate conveying belt (104) and the metal plate conveying belt (110), the distance between the upper metal plate conveying belt (104) and the metal plate conveying belt (110) is smaller than the length of the metal plate, the moving direction of a piston rod of the pushing cylinder (106) is perpendicular to the transmission direction of the upper metal plate conveying belt (104) and the metal plate conveying belt (110), a pushing plate (107) is connected onto the piston rod of the pushing cylinder (106), a plurality of clamping plates (108) with U-shaped structures are installed on the pushing plate (107), one end of the metal plate is clamped in a U-shaped groove of the clamping plate (108) and then pushed by the pushing cylinder (106) to be inserted into a slot on the turnover disc (109) and then pushed back to retract, the turnover disc (109) is provided with a plurality of pushing cylinders in parallel and is driven to be connected by the same driving shaft, and the slots are uniformly distributed on the disc surface of the turnover disc (109, the stepping motor drives the driving shaft to rotate 180 degrees, the driving shaft drives the overturning plate (109) to rotate at the moment and drives the metal plate to overturn 180 degrees through the slot to form a lower metal plate with an upward adhesion layer, two ends of the lower metal plate are respectively erected on the lower metal plate conveyer belt (105) and the auxiliary conveyer belt (111), and then the lower metal plate conveyer belt (105) conveys the lower metal plate to the lower metal plate rest rack (103).

8. The process for producing a cushion pad for the electronics industry as claimed in claim 6, wherein: the polishing mechanism (113) comprises a shell (201), a discharging window and a feeding window for inserting the metal plate conveying belt (110) and the feeding conveying belt (112) are respectively arranged at the left end and the right end of the shell (201), a clamping mechanism is installed at the upper part of the shell (201), and a lifting mechanism is installed at the lower part of the shell (201); the clamping mechanism comprises a left clamping plate (203) and a right clamping plate (204), the top of the shell (201) is provided with a left window and a right window, the left clamping plate (203) and the right clamping plate (204) respectively penetrate through the two windows, the middle parts of the left clamping plate (203) and the right clamping plate (204) are respectively hinged into the two windows through pin shafts, a cylinder seat of a clamping cylinder (202) positioned outside the shell (201) is hinged with the upper part of the left clamping plate (203), a piston rod of the clamping cylinder (202) is hinged with the upper part of the right clamping plate (204), and the side walls of the lower parts of the left clamping plate (203) and the right clamping plate (204) are respectively provided with a clamping groove;

the lifting mechanism is positioned below the clamping mechanism and positioned between the metal plate conveying belt (110) and the feeding conveying belt (112), the lifting mechanism comprises a lifting cylinder (205), a lifting platform (206), a sliding rail (207) and a translation trolley (208), the lifting cylinder (205) is vertically and symmetrically arranged in the left-right direction, the top of a piston rod of the lifting cylinder (205) is connected with the lifting platform (206), the sliding rail (207) is installed on the lifting platform (206), and the translation trolley (208) is slidably arranged on the sliding rail (207); an abrasive belt machine (209) is installed on the translation trolley (208).

Technical Field

The invention relates to a cushion pad and a production process thereof, in particular to a cushion pad applied to the electronic industry and a production process thereof, and belongs to the technical field of rubber.

Background

At present, in the preparation process of a circuit board (such as a PCB/FPC), a cushion pad is needed to be adopted for carrying out a lamination process, the lamination is to be carried out, namely, a middle-layer substrate of an etched copper foil circuit is clamped between a top-layer substrate and a bottom-layer substrate which are coated with films, the pressing and heating are carried out, the lamination is carried out, wherein the substrates are made to form a unified integral structure after prepregs are added between the adjacent substrates for hot pressing, and a silica gel pad is needed to be padded for playing a buffering role in order to avoid the damage of a press to the; however, in practical application, it is found that after long-time use, the flatness of the silica gel pad is not as good as before (the silica gel pad is inevitably uneven due to aging in the operation process, the silica gel pad has certain viscosity, can adsorb impurities to cause uneven surface, and cannot be quickly, effectively and timely cleaned after the impurities are adhered at one point), at the moment, when the substrate is laminated, the laminated circuit board has certain bending degree, the resistance and the induction inductance of copper foil inside the circuit board are inevitably increased, and the influence of a common circuit is not great; however, for some circuit boards applied to high-power occasions, the increase of the resistance will greatly increase the heat productivity, thereby affecting the service life of components; meanwhile, for high-frequency RF application occasions, the requirement on electromagnetic compatibility EMI is extremely high, and the induction inductance added on the copper foil can influence the quality of signals undoubtedly, so that the signals are interfered in the transmission process, and the normal logic function of a circuit is influenced; therefore, there is a need for a cushion pad and a process for manufacturing the same that can solve the above problems, so that it can ensure the flatness of a laminated circuit board.

Disclosure of Invention

The invention aims to overcome the defects and provides a cushion pad for the electronic industry and a production process thereof, wherein the cushion pad can ensure the flatness of a laminated circuit board.

The purpose of the invention is realized as follows:

a buffer pad for electronic industry comprises a rubber plate and metal plates compounded on the upper and lower surfaces of the rubber plate.

The invention relates to a cushion pad for the electronic industry, wherein an adhesion promotion layer is arranged on the contact surface of a metal plate and a rubber plate, and an adhesive layer is clamped between the metal plate and the rubber plate.

The invention relates to a cushion pad for the electronic industry, wherein a rubber plate comprises elastic skeleton cloth positioned in the middle, and rubber layers are covered on the upper surface and the lower surface of the elastic skeleton cloth.

The invention relates to a cushion pad for the electronic industry, which is characterized in that the rubber layer is made of silicon rubber, and the elastic framework cloth is made of aramid or high-elasticity fabric.

A production process of a cushion pad for the electronic industry comprises the following steps: and after polishing the surface of one side of the cut steel plate to form an adhesion layer, clamping the rubber plate with prepregs compounded on two sides between two steel plates for hot-pressing compounding, and finally punching the periphery of the formed cushion pad to the size of a finished product.

The invention relates to a production process of a cushion pad for the electronic industry, a cut steel plate is sent into a polishing mechanism through a feeding conveyer belt to be polished to form an adhesion increasing layer and then is output through a metal plate conveyer belt, one path of a metal plate output by the metal plate conveyer belt is directly conveyed to an upper metal plate rest rack through the upper metal plate conveyer belt to be used as an upper metal plate, the other path of the metal plate is pushed by a pushing cylinder, is overturned for 180 degrees by an overturning plate to be used as a lower metal plate and is conveyed to a lower metal plate rest rack through a lower metal plate conveyer belt, then a six-shaft manipulator positioned between the lower metal plate rest rack and the upper metal plate rest rack firstly adsorbs the lower metal plate on the lower metal plate rest rack to a mold frame of a hot press through an electromagnet at the end part of the six-shaft manipulator, then the rubber plate with prepregs compounded at two sides is covered on the lower metal plate, then the six-shaft manipulator adsorbs the lower metal plate on the upper metal plate rest rack through the electromagnet at the end part, and finally, starting the hot press to perform hot press molding.

The invention relates to a production process of a cushion pad for the electronic industry, wherein a pushing cylinder is positioned between an upper metal plate conveying belt and a metal plate conveying belt, the distance between the upper metal plate conveying belt and the metal plate conveying belt is smaller than the length of a metal plate, the moving direction of a piston rod of the pushing cylinder is vertical to the transmission direction of the upper metal plate conveying belt and the metal plate conveying belt, a pushing plate is connected onto the piston rod of the pushing cylinder, a plurality of clamping plates with U-shaped structures are installed on the pushing plate, one end of the metal plate is clamped in a U-shaped groove of the clamping plates and then pushed by the pushing cylinder to be inserted into a slot on a turnover disc and then retracted by the pushing cylinder, a plurality of turnover discs are arranged in parallel and are driven to be connected by a same driving shaft, the slots are uniformly distributed on the disc surface of the turnover disc, a stepping motor drives the driving shaft to rotate by 180 degrees, at the moment, the driving shaft drives the turnover disc to, And the two ends of the lower metal plate are respectively erected on the lower metal plate conveying belt and the auxiliary conveying belt, and then the lower metal plate conveying belt conveys the lower metal plate to the lower metal plate rest rack.

The invention relates to a production process of a cushion pad for the electronic industry, wherein a polishing mechanism comprises a shell, the left end and the right end of the shell are respectively provided with a discharging window and a feeding window for inserting a metal plate conveying belt and a feeding conveying belt, the upper part of the shell is provided with a clamping mechanism, and the lower part of the shell is provided with a lifting mechanism; the clamping mechanism comprises a left clamping plate and a right clamping plate, a left window and a right window are arranged at the top of the shell, the left clamping plate and the right clamping plate respectively penetrate through the two windows, the middle parts of the left clamping plate and the right clamping plate are respectively hinged into the two windows through pin shafts, a cylinder seat of a clamping cylinder positioned outside the shell is hinged with the upper part of the left clamping plate, a piston rod of the clamping cylinder is hinged with the upper part of the right clamping plate, and clamping grooves are formed in the side walls of the lower parts of the left clamping plate and the right clamping plate;

the lifting mechanism is positioned below the clamping mechanism and positioned between the metal plate conveying belt and the feeding conveying belt, the lifting mechanism comprises a lifting cylinder, a lifting platform, a sliding rail and a translation trolley, the two lifting cylinders are vertically and symmetrically arranged on the left and right, the top of a piston rod of the lifting cylinder is connected with the lifting platform, the sliding rail is arranged on the lifting platform, and the translation trolley is slidably arranged on the sliding rail; an abrasive belt machine is installed on the translation trolley.

Compared with the prior art, the invention has the beneficial effects that:

the flatness of the metal plate is realized by using the rigidity of the metal plate after the metal plate is adopted, the metal plate is convenient to clean, the surface of the metal plate can be easily cleaned in a blowing or scraping mode, and the influence on the flatness of the circuit board in the laminating process is avoided. Meanwhile, the matched process can be used for conveniently and quickly producing.

Drawings

Fig. 1 is a schematic structural diagram of a cushion pad for the electronics industry according to the present invention.

FIG. 2 is a schematic structural diagram of a metal plate feeding system in a process for producing a cushion pad for the electronics industry according to the present invention.

Fig. 3 is a schematic structural diagram of a turning plate in a metal plate feeding system in the production process of the cushion pad for the electronic industry according to the invention.

Fig. 4 is a schematic structural diagram of a polishing mechanism in a production process of a cushion pad for the electronic industry according to the present invention.

Wherein:

a rubber plate 1 and a metal plate 2;

elastic framework cloth 1.1 and a rubber layer 1.2;

the automatic grinding machine comprises a hot press 101, an upper metal plate rest 102, a lower metal plate rest 103, an upper metal plate conveyer belt 104, a lower metal plate conveyer belt 105, a pushing cylinder 106, a pushing plate 107, a clamping plate 108, a turnover disc 109, a metal plate conveyer belt 110, an auxiliary conveyer belt 111, a feeding conveyer belt 112, a grinding mechanism 113 and a six-shaft manipulator 114;

the device comprises a shell 201, a clamping cylinder 202, a left clamping plate 203, a right clamping plate 204, a lifting cylinder 205, a lifting table 206, a slide rail 207, a translation trolley 208 and an abrasive belt machine 209.

Detailed Description

Referring to fig. 1, the cushion pad for the electronic industry according to the present invention includes a rubber plate 1, and metal plates 2 compounded on the upper and lower surfaces of the rubber plate 1;

furthermore, an adhesion promoting layer is arranged on the contact surface of the metal plate 2 and the rubber plate 1, and an adhesive layer is clamped between the metal plate 2 and the rubber plate 1;

further, the rubber plate 1 comprises elastic skeleton cloth 1.1 positioned in the middle, and rubber layers 1.2 are covered on the upper surface and the lower surface of the elastic skeleton cloth 1.1; preferably, the rubber layer 1.2 is made of silicon rubber, and the elastic skeleton cloth 1.1 is made of high-elasticity fabric such as aramid fiber;

referring to fig. 2 to 4, a production process of a cushion pad for the electronic industry comprises the following steps: polishing the surface of one side of the cut steel plate to form an adhesion layer, clamping the rubber plate with prepregs compounded on two sides between two steel plates for hot-pressing compounding, and finally punching the periphery of the formed cushion pad to the size of a finished product;

specifically speaking: the cut steel plate is sent into a grinding mechanism 113 through a feeding conveyer belt 112 to be ground to form an adhesion increasing layer, and then is output through a metal plate conveyer belt 110, one path of the metal plate output by the metal plate conveyer belt 110 is directly conveyed to an upper metal plate rest frame 102 through an upper metal plate conveyer belt 104 to be used as an upper metal plate, the other path of the metal plate is conveyed through a pushing air cylinder 106, then is overturned by 180 degrees through an overturning disc 109 to be used as a lower metal plate, and is conveyed to a lower metal plate rest frame 103 through a lower metal plate conveyer belt 105, then, a six-shaft mechanical arm 114 between the lower metal plate rest frame 103 and the upper metal plate rest frame 102 firstly adsorbs the lower metal plate on the lower metal plate rest frame 103 to a mold frame of a hot press 101 through an electromagnet at the end part of the six-shaft mechanical arm 114, then the rubber plate with prepreg compounded at two sides is covered on the lower metal plate, the six-shaft mechanical arm 114 adsorbs the lower metal plate on the upper metal plate rest frame 102 through an electromagnet at the end, finally, starting the hot press 101 for hot press molding;

further, the pushing cylinder 106 is located between the upper metal plate conveyer belt 104 and the metal plate conveyer belt 110, the distance between the upper metal plate conveyer belt 104 and the metal plate conveyer belt 110 is smaller than the length of the metal plate, the moving direction of the piston rod of the pushing cylinder 106 is perpendicular to the transmission direction of the upper metal plate conveyer belt 104 and the metal plate conveyer belt 110, the piston rod of the pushing cylinder 106 is connected with a pushing plate 107, a plurality of clamping plates 108 with U-shaped structures are mounted on the pushing plate 107, one end of the metal plate is clamped in the U-shaped groove of the clamping plates 108 and then pushed by the pushing cylinder 106 to be inserted into the slot on the turnover disc 109 and then the pushing cylinder 106 retracts, a plurality of turnover discs 109 are arranged in parallel and are driven to be connected by the same driving shaft, the slots are uniformly arranged on the disc surface of the turnover disc 109, the stepping motor drives the driving shaft to rotate 180 °, at this time the driving shaft drives the turnover disc 109 to rotate and drives the metal plate to turn 180 ° through the, And both ends of the lower metal plate are respectively erected on the lower metal plate conveyer belt 105 and the auxiliary conveyer belt 111, and then the lower metal plate conveyer belt 105 conveys the lower metal plate to the lower metal plate rest 103;

further, the polishing mechanism 113 comprises a housing 201, a discharging window and a feeding window for inserting the metal plate conveyor 110 and the feeding conveyor 112 are respectively arranged at the left end and the right end of the housing 201, a clamping mechanism is mounted at the upper part of the housing 201, and a lifting mechanism is mounted at the lower part of the housing 201; the clamping mechanism comprises a left clamping plate 203 and a right clamping plate 204, a left window and a right window are arranged at the top of the shell 201, the left clamping plate 203 and the right clamping plate 204 respectively penetrate through the two windows, the middle parts of the left clamping plate 203 and the right clamping plate 204 are respectively hinged into the two windows through pin shafts, a cylinder seat of a clamping cylinder 202 positioned outside the shell 201 is hinged with the upper part of the left clamping plate 203, a piston rod of the clamping cylinder 202 is hinged with the upper part of the right clamping plate 204, and clamping grooves are respectively formed in the side walls of the lower parts of the left clamping plate 203 and the right clamping plate 204;

the lifting mechanism is positioned below the clamping mechanism and positioned between the metal plate conveying belt 110 and the feeding conveying belt 112, the lifting mechanism comprises a lifting cylinder 205, a lifting platform 206, a sliding rail 207 and a translation trolley 208, the two lifting cylinders 205 are vertically and symmetrically arranged on the left and right, the top of a piston rod of the lifting cylinder 205 is connected with the lifting platform 206, the sliding rail 207 is arranged on the lifting platform 206, and the translation trolley 208 is slidably arranged on the sliding rail 207; an abrasive belt machine 209 is arranged on the translation trolley 208;

when the metal plate clamping device is used, after a metal plate enters between the metal plate conveying belt 110 and the feeding conveying belt 112, the metal plate is lifted up by the lifting mechanism and upwards lifted up by the abrasive belt machine 209, then the clamping cylinder 202 of the clamping mechanism acts to clamp the metal plate between the clamping grooves of the left clamping plate 203 and the right clamping plate 204, and then the abrasive belt machine 209 is started to polish the lower surface of the metal plate to form a rough surface to form an adhesion promotion layer; after polishing, the left clamping plate 203 and the right clamping plate 204 are opened, and then the lifting mechanism drives the polished lifting plate to descend, so that the two ends of the metal plate at the moment are still respectively placed on the metal plate conveyer belt 110 and the feeding conveyer belt 112, and then the metal plate conveyer belt 110 conveys the metal plate outwards;

in addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.