Double-sided gluing machine for foam products

Abstract

The invention discloses a double-sided gluing machine for foam products. The double-sided gluing machine includes a foam jig, a gluing jig, a swing cylinder and a base; the upper and lower ends of the reference base surface of the foam jig are symmetrically connected to a plurality of lateral positioning pins, the rear side of the foam jig is connected to the swing cylinder, the swing cylinder is fixed in front of the vertical wall plate of the base, the gluing jig is a horizontal plate, and the upper and lower sides are respectively the gluing base surfaces, the two gluing base surfaces are symmetrically connected to a plurality of vertical positioning pins, the middle opening of the rear side of the gluing jig forms an accommodating cavity, the positioning feet on the left and right sides of the accommodating cavity are provided with magnetic elements, the front side of the left end of the gluing jig protrudes to form a rotating ear, and the bearing is fixed on the rotating ear; the rotating seat is fixed in front of the left end of the foam jig, the rotating cavity on the front side of the rotating seat fixes the vertical hinge shaft, and the bearing sleeve is in the vertical hinge shaft. The invention has the effects of fast laminating speed, high production efficiency, double-sided laminating position accuracy, and high yield rate.

Description

Technical Field

[0001] The invention relates to an assembling device for foam products, in particular to a double-sided gluing machine for foam products. Background Art

[0002] There are many foam parts in 3C products, and many foams require double-sided gluing. The current production uses manual gluing, which cannot be positioned and depends on the workers' experience level. The gluing speed is slow, the production efficiency is low, the yield rate is low, and the product yield rate is low, which cannot meet production needs. Summary of the invention

[0003] In order to solve one or more of the above problems, the present invention provides a double-sided gluing machine for foam products.

[0004] According to one aspect of the present invention, a double-sided gluing machine for a foam product comprises a foam jig, a gluing jig, a swing cylinder and a base; the foam product is pasted on the base film as an intermediate product before the double-sided gluing process, and the double-sided film is pasted on the isolation base paper as a laminating tape;

[0005] The foam jig is a vertical flat plate and the front side is a reference plane. The upper and lower ends of the reference plane are symmetrically connected to a number of transverse positioning pins. The distribution and size of the transverse positioning pins are the same as those of the first positioning holes of the bottom film. The rear side of the foam jig is connected to the output flange of the swing cylinder. The cylinder barrel of the swing cylinder is connected to the front side of the vertical wall plate. The swing cylinder is connected to the pneumatic circuit and the control foot valve. When the swing cylinder is started, the foam jig can rotate 180°.

[0006] The glue sticking jig is a horizontal plate and the upper and lower sides are glue sticking base surfaces respectively. The two glue sticking base surfaces are symmetrically connected to a number of vertical positioning pins respectively. The distribution and size of the vertical positioning pins are the same as the distribution and size of the second positioning holes of the isolation bottom paper. The middle opening of the rear side of the glue sticking jig forms a receiving cavity. The positioning feet on the left and right sides of the receiving cavity are provided with magnetic elements. When the magnetic elements attract and fix the foam jig, the two positioning feet fit the reference plane, the inner wall of the receiving cavity fits the surface of the foam product, and the front side of the left end of the glue sticking jig protrudes to form a rotating ear, and the bearing is fixed on the rotating ear;

[0007] The rotating seat is fixed in front of the left end of the foam fixture, the rotating cavity on the front side of the rotating seat is fixed with the vertical hinge shaft, the bearing sleeve is in the vertical hinge shaft, and the free end of the adhesive fixture can be rotated by applying force;

[0008] The middle of the rear end of the horizontal plate of the base is vertically connected to the vertical wall plate, and two hydraulic buffers are symmetrically fixed on both sides of the front end of the horizontal plate. Before and after the swing cylinder rotates, a hydraulic buffer is attached to the lower surface of the glue sticking fixture.

[0009] The double-sided gluing machine for foam products realizes semi-automatic rapid production, and the intermediate product and the bonding tape are positioned separately. A swing cylinder is provided, which realizes the bonding station where both surfaces are placed on top, and at the same time ensures that the front surface of the foam fixture and the upper and lower surfaces of the gluing fixture are all in the set positioning station. The beneficial effects are: firstly, the device realizes semi-automatic bonding, fast bonding speed, high production efficiency, and a combination of vertical positioning and lateral positioning, with high positioning accuracy, thereby ensuring good double-sided bonding position accuracy and improving the yield rate; secondly, the magnetic elements of the two positioning feet The first part fixes the foam jig and the glue jig to ensure complete surface bonding. At the same time, the lower limit of the hydraulic buffer and the circumferential constraint of the swing cylinder ensure that there is no up and down or rotational movement during bonding; thus, the positions of the two are fixed and the bonding is accurate. Thirdly, the setting of the accommodating cavity ensures the planar positioning of the foam product to be bonded, and protects the foam product from being contaminated by other materials and dust. Fourthly, the bearing of the rotating ear and the vertical hinge shaft in the rotating cavity of the rotating seat are rotatably connected, which ensures that the glue jig can be opened and rotated smoothly with small resistance, further improving the production speed and eliminating production stops.

[0010] In some embodiments, a vertical through hole is provided in the middle of the rotating ear, the vertical through hole and the vertical hinge shaft are matched with a small clearance, large-diameter positioning circular grooves are formed at the upper and lower ends of the vertical through hole, a bearing is fixed in each of the two positioning circular grooves, and the vertical hinge shaft sleeve has two circular positioning pieces, one surface of each circular positioning piece fits the bearing and the other surface fits the inner wall of the rotating cavity;

[0011] Or the upper and lower side walls of the rotating cavity are rectangular block-shaped ears, and the vertical axis hole of each ear is tightly matched with the vertical hinge shaft; the vertical hinge shaft does not exceed the lower surface of the ear, and the flat end of the vertical hinge shaft fits the upper surface of the ear. A lower gasket is provided on the lower surface of the ear, and the threaded part passes through the through hole of the lower gasket and is threadedly connected to the central threaded hole on the lower surface of the vertical hinge shaft; or the rotating ear is cylindrical or a rectangular column with rounded corners.

[0012] In some embodiments, a limit block is fixed on the left side of the adhesive jig, the front end of the limit block is located on the left side of the rotating cavity, a front groove is provided at the left end of the outer side of the rotating ear, a center threaded blind hole is provided on the bottom groove wall of the front groove, the magnetic element and the front groove have the same contour size, and the magnetic element is connected to the center threaded blind hole through a countersunk screw; when the foam jig is rotated 90°, the outer side of the rotating ear fits into the front side of the limit block; the magnetic element magnetically attracts the fixed limit block.

[0013] In some embodiments, the foam jig and the adhesive jig are made of polyurethane or nylon;

[0014] A rectangular groove is provided at each end of the foam fixture, and an iron suction block is fixed in each rectangular groove. The outer side of the suction block is flush with the reference surface, and the suction block and the magnetic element are positioned oppositely.

[0015] In some embodiments, a rear groove with an oblong hole structure is provided at the center of the outer side surface of the positioning foot, and two central threaded blind holes are provided on the bottom groove wall of the rear groove. The height of the magnetic element and the rear groove is the same, and the two magnetic elements are connected to the two central threaded blind holes respectively by countersunk screws;

[0016] Or elastic rubber is filled between the two magnetic elements and the side groove wall of the rear groove.

[0017] In some embodiments, the magnetic element is a circular strong magnet, and a countersunk through hole or a center hole with a stepped through hole structure is provided in the middle of the magnetic element; a countersunk screw or a cylindrical head screw is threadedly connected to the center threaded blind hole through the center hole.

[0018] In some embodiments, a plastic ball is fixed to the right end of the threaded shaft of the rotating handle and a fastening nut is connected to the middle thread; the left end of the threaded shaft is fixed to the right side of the glue sticking fixture, and the fastening nut fits the right side of the glue sticking fixture.

[0019] In some embodiments, adsorption holes are evenly arranged on the upper and lower surfaces of the adhesive laminating jig and an air distribution cavity is provided in the middle. The adsorption holes are connected to the air distribution cavity. The air inlet holes at one end of the air distribution cavity are connected to the vacuum circuit. The adsorption holes can adsorb and fix the isolation bottom paper.

[0020] In some embodiments, two rows and N columns of foam products are attached to the base film in a rectangular array;

[0021] N double-sided films with equal spacing are linearly attached to the isolation base paper; the spacing between two adjacent foam products in the same column is the same as the spacing between two adjacent double-sided films; the length and width of the double-sided films are equal to or slightly larger than the length and width of the foam products.

[0022] In some embodiments, the four supporting legs of the base are threadedly connected to the lower surface of the horizontal plate to form an overhead platform with a rectangular frame. A pipeline through hole with a rectangular structure is also provided in the middle of the horizontal plate, and an air pipe or an electric wire is connected to the swing cylinder through the pipeline through hole;

[0023] Or reinforcing ribs are provided between the rear sides of the horizontal plates and the vertical wall plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional schematic diagram of a double-sided gluing machine for a foam product according to an embodiment of the present invention;

[0025] Figure 2 for Figure 1 A three-dimensional schematic diagram of the intermediate product shown;

[0026] Figure 3 for Figure 1 A three-dimensional schematic diagram of the bonding tape shown;

[0027] Figure 4 for Figure 1 A three-dimensional schematic diagram of the foam fixture and the rotating seat shown;

[0028] Figure 5 for Figure 4 A schematic cross-sectional view of the rotating seat shown;

[0029] Figure 6 for Figure 1 A three-dimensional schematic diagram of the glue sticking fixture shown;

[0030] Figure 7 for Figure 7 The schematic cross-sectional view of the glue sticking jig shown is at the center line of the front groove;

[0031] Figure 8 for Figure 1 A three-dimensional schematic diagram of the abutment shown;

[0032] Intermediate product 00, foam product 001, bottom film 002, first positioning hole 003;

[0033] Laminating tape 01, isolation backing paper 004, double-sided film 005, second positioning hole 006;

[0034] Foam jig 1, rectangular groove 100, weight-reducing hole 101;

[0035] Glue sticking jig 2, accommodating cavity 20, positioning foot 21, rotating ear 22, bearing 23, vertical through hole 24, positioning circular groove 25, rear groove 26, front groove 27, adsorption hole 28; swing cylinder 3;

[0036] Base 4, horizontal plate 41, vertical wall plate 42, support foot 43, pipeline through hole 44, buffer seat 45;

[0037] Oil pressure buffer 5; lateral positioning needle 6; vertical positioning needle 7;

[0038] Rotating seat 8, rotating cavity 81, vertical hinge shaft 82, circular ring positioning piece 83, twisted ear 84, lower gasket 85, vertical shaft hole 86, flat end 87; limit stopper 9;

[0039] Magnetic element 10; suction block 11; rotating handle 12; fastening nut 13; intermediate flange 14. DETAILED DESCRIPTION

[0040] The present invention will be further described in detail below with reference to the accompanying drawings. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0041] Figures 1 to 8A double-sided gluing machine for a foam product according to an embodiment of the present invention is schematically shown. As shown in the figure, the device includes a foam jig 1, a gluing jig 2, a swing cylinder 3 and a base 4;

[0042] The foam product 001 is pasted on the base film 002 to form the intermediate product 00 before the double-sided gluing process, and the double-sided film 005 is pasted on the isolation base paper 004 to form the laminating tape 01;

[0043] The foam jig 1 is a vertical flat plate and the front side is a reference plane. The upper and lower ends of the reference plane are symmetrically connected to a plurality of transverse positioning pins 6. The distribution and size of the transverse positioning pins 6 are the same as those of the first positioning holes 003 of the bottom film 002. The rear side of the foam jig 1 is connected to the output flange of the swing cylinder 3. The cylinder barrel of the swing cylinder 3 is connected to the front side of the vertical wall plate 42. The swing cylinder 3 is connected to the pneumatic circuit and the control foot valve. When the swing cylinder 3 is started, the foam jig 1 can rotate 180°.

[0044] The adhesive jig 2 is a horizontal plate and the upper and lower sides are adhesive base surfaces respectively. The two adhesive base surfaces are symmetrically connected to a number of vertical positioning pins 7. The distribution of the vertical positioning pins 7 is the same as the distribution and size of the second positioning holes 006 of the isolation bottom paper 004. The middle opening of the rear side of the adhesive jig 2 forms a receiving cavity 20. The positioning feet 21 on the left and right sides of the receiving cavity 20 are provided with magnetic elements 10. When the magnetic element 10 magnetically attracts and fixes the foam jig 1, the two positioning feet 21 fit the reference plane, and the inner wall of the receiving cavity 20 fits the surface of the foam product 001. The front side of the left end of the adhesive jig 2 protrudes to form a rotating ear 22, and a bearing 23 is fixed on the rotating ear 22;

[0045] The rotating seat 8 is fixed in front of the left end of the foam jig 1, and a vertical hinge shaft 82 is fixed in the rotating cavity 81 on the front side of the rotating seat 8. The bearing 23 is sleeved in the vertical hinge shaft 82, and a force is applied to the free end of the adhesive jig 2 to make it rotate;

[0046] The middle of the rear end of the horizontal plate 41 of the base 4 is vertically connected to the vertical wall plate 42, and two hydraulic buffers 5 are symmetrically fixed on both sides of the front end of the horizontal plate 41. Before and after the swing cylinder 3 rotates, a hydraulic buffer 5 is attached to the lower surface of the glue sticking fixture 2.

[0047] The processing steps of the double-sided gluing machine for this foam product are as follows:

[0048] First, at the initial position, the adhesive jig 2 is manually opened, and the intermediate product 00 is positioned according to the first positioning hole 003 of the bottom film 002 and the transverse positioning needle 6, and the intermediate product 00 is placed on the foam jig 1;

[0049] Secondly, close the glue sticking jig 2, and position it according to the cooperation between the vertical positioning pin 7 and the second positioning hole 006 of the isolation backing paper 004, and place a piece of bonding tape 01 on the glue sticking jig 2, at this time, the double-sided film 005 is located directly above one surface of the foam product 001;

[0050] Thirdly, apply force to firmly adhere the double-sided film 005 to the foam product 001, tear off the isolation backing paper 004, step on the control foot valve, control the swing cylinder 3 to rotate, and be limited by the oil pressure buffer 5, and then rotate 180° to another working position, wherein the other surface of the foam product 001 is located at the top at this time;

[0051] Fourthly, positioning is performed according to the cooperation between the vertical positioning pin 7 and the second positioning hole 006 of the isolation backing paper 004, and another laminating tape 01 is placed on the rotated laminating jig 2. At this time, the double-sided tape 005 is located directly above the other surface of the foam product 001. A force is applied to firmly adhere the double-sided tape 005 to the foam product 001, and the isolation backing paper 004 is torn off;

[0052] Fifth, pull open the adhesive fixture 2 and remove the foam product;

[0053] Sixth, close the glue sticking fixture 2, and step on the control foot valve again to return to the initial position.

[0054] The double-sided gluing machine for a foam product realizes semi-automatic rapid production, and the intermediate product 00 and the bonding tape 01 are positioned separately, wherein a swing cylinder 3 is provided, so that both surfaces are at the upper bonding station, and at the same time, it is ensured that the front surface of the foam fixture 01 and the upper and lower surfaces of the gluing fixture 2 are all at the set positioning station, and its beneficial effects are: firstly, the device realizes semi-automatic bonding, fast bonding speed, high production efficiency, and a combination of vertical positioning and lateral positioning, and high positioning accuracy, thereby ensuring good double-sided bonding position accuracy and improving the yield rate; secondly, the magnetic element 10 of the two positioning feet 21 fixes the foam The cotton jig 1 and the glue jig 2 ensure complete surface fitting. At the same time, the lower limit of the oil pressure buffer 5 and the circumferential constraint of the swing cylinder 3 ensure that there is no up and down or rotational position movement during fitting; thereby ensuring that the positions of the two are fixed and the fitting is accurate; thirdly, the setting of the accommodating chamber 20 ensures the planar positioning of the foam product 00 to be fitted, and at the same time protects the foam product 00 from being contaminated by other materials and dust; fourthly, the bearing 23 of the rotating ear 22 and the vertical hinge shaft 82 in the rotating chamber 81 of the rotating seat 8 are rotatably connected, which ensures that the glue jig 2 can be opened and rotated smoothly with small resistance, further improving the production speed without production stoppage.

[0055] Preferably, a vertical through hole 24 is provided in the middle of the rotating ear 22, and the vertical through hole 24 and the vertical hinge shaft 82 are matched with a small clearance, and large-diameter positioning circular grooves 25 are formed at the upper and lower ends of the vertical through hole 24, and the two positioning circular grooves 25 respectively fix a bearing 23, and the vertical hinge shaft 82 sleeves two circular positioning pieces 83, and each circular positioning piece 83 has one surface that fits the bearing 23 and the other surface that fits the inner wall of the rotating cavity 81; the beneficial effect is that the circular positioning piece 83 ensures the upper and lower positioning of the bearing 23, ensures that the bearing 23 is not contaminated by dust, and rotates for a long time without jamming.

[0056] Preferably, the upper and lower side walls of the rotating cavity 81 are respectively rectangular block-shaped ears 84, and the vertical shaft hole 86 of each ear 84 is tightly fitted with the vertical hinge shaft 82; the vertical hinge shaft 82 passes through the upper vertical shaft hole 86, the upper annular positioning piece 83, the two bearings 23, and the lower annular positioning piece 83 to enter the lower vertical shaft hole 86, and the vertical hinge shaft 82 does not exceed the lower surface of the ear 84. The flat end 87 of the vertical hinge shaft 82 fits the upper surface of the ear 84, and a lower gasket 85 is provided on the lower surface of the ear 84. The threaded part passes through the through hole of the lower gasket 85 and is threadedly connected to the central threaded hole on the lower surface of the vertical hinge shaft 82; its beneficial effect is: the arrangement is more convenient to install and maintain, and at the same time, the structure is simple and the volume occupied is small.

[0057] Preferably, the rotating cavity 81 is a rectangular through hole with an open front side;

[0058] Preferably, the rotating ear 22 is cylindrical or a rectangular column with rounded corners. The beneficial effects are: the cylindrical or rounded corners can prevent jamming, increase the rotation angle, and reduce the size of the rotating ear 22.

[0059] Preferably, the left side of the adhesive jig 2 is fixed with a limit stopper 9, the front end of the limit stopper 9 is located on the left side of the rotating cavity 81, the left end of the outer side of the rotating ear 22 is provided with a front groove 27, the bottom groove wall of the front groove 27 is provided with a central threaded blind hole, the magnetic element 10 and the front groove 27 have the same outline size, and the magnetic element 10 is connected to the central threaded blind hole by a countersunk screw; when the foam jig 1 rotates 90°, the outer side of the rotating ear 22 fits the front side of the limit stopper 9; the magnetic element 10 magnetically attracts and fixes the limit stopper 9. Its beneficial effect is that the limit stopper 9 can prevent the adhesive jig 2 from rotating excessively and hitting the swing cylinder 3 and other electronic components, air pipes, etc. on the rear side.

[0060] Preferably, the foam jig 1 and the adhesive jig 2 are made of polyurethane or nylon; the beneficial effect is that the material can protect the surface appearance of the material and prevent burrs from damaging the product.

[0061] A rectangular groove 100 is provided at each end of the foam fixture 1, and an iron suction block 11 is fixed in each rectangular groove 100. The outer side surface of the suction block 11 is flush with the reference surface, and the suction block 11 and the magnetic element 10 are positioned relative to each other. The beneficial effect is that the device has a simple structure, ensures the firmness during bonding, and realizes bonding in a stable position.

[0062] Preferably, a stepped through hole is provided in the center of the suction block 11, and a cylindrical head screw passes through the stepped through hole to connect to the central threaded through hole of the bottom groove wall of the rectangular groove 100. The beneficial effect is that the structure is simple, the occupied volume is small, and the position distribution of the suction block is conveniently arranged.

[0063] Preferably, a rear groove 26 with an oblong hole structure is provided at the center of the outer side surface of the positioning foot 21, and the bottom groove wall of the rear groove 26 is provided with two center threaded blind holes. The magnetic element 10 and the rear groove 26 have the same height, and the two magnetic elements 10 are respectively connected to the two center threaded blind holes by countersunk screws; the beneficial effect is that: this structure can further improve the suction force.

[0064] Preferably, the two central threaded blind holes are respectively colinear with the two center lines of the oblong hole, the width of the oblong hole is equal to the center distance between the two central threaded blind holes, and the two magnetic elements 10 are tangentially fitted;

[0065] Preferably, elastic rubber is filled between the two magnetic elements 10 and the side groove wall of the rear groove 26. The beneficial effect is that the elastic rubber prevents dust or other debris from being in the middle gap and falling onto the product when opening, thereby contaminating the product.

[0066] Preferably, the magnetic element 10 is a circular strong magnet, and a countersunk through hole or a center hole of a stepped through hole structure is provided in the middle of the magnetic element 10; a countersunk screw or a cylindrical head screw is threadedly connected to the center threaded blind hole through the center hole. The beneficial effect is that the magnetic element 10 has a strong magnetic force and is easy to arrange without taking up extra space.

[0067] Preferably, a plastic ball is fixed to the right end of the threaded shaft of the rotating handle 12 and a fastening nut 13 is connected to the middle thread; the left end of the threaded shaft is fixed to the right side of the adhesive jig 2, and the fastening nut 13 fits the right side of the adhesive jig 2. The beneficial effect is that the rotating handle 12 is convenient for the operator to hold, and the adhesive jig 2 is opened quickly and quickly.

[0068] Preferably, the upper and lower surfaces of the adhesive laminating jig 2 are evenly arranged with adsorption holes 28 and a gas distribution cavity is provided in the middle, the adsorption holes are connected to the gas distribution cavity, the air inlet hole at one end of the gas distribution cavity is connected to the vacuum circuit, and the adsorption holes 28 can adsorb and fix the isolation backing paper 004. The beneficial effect is that the adsorption holes 28 can absorb and fix the film material, prevent displacement, and further improve the lamination accuracy.

[0069] Preferably, two rows and N columns of foam products 001 are pasted on the base film 002 in a rectangular array;

[0070] N double-sided films 005 with equal spacing are linearly bonded to the isolation backing paper 004; the spacing between two adjacent foam products 001 in the same column is the same as the spacing between two adjacent double-sided films 005; the length and width of the double-sided films 005 are equal to or slightly larger than the length and width of the foam product 001; the beneficial effects are: the device is suitable for single-sided bonding of large-scale foam products 001, and can achieve gluing operations for 2N products in one operation, significantly improving the production speed.

[0071] Preferably, the front ends of the vertical positioning needle 7 and the horizontal positioning needle 6 are both provided with conical guide ends; the beneficial effect is that the conical guide ends facilitate positioning and the material placement speed is fast.

[0072] Preferably, the accommodating cavity 20 is a rectangular through hole with an open rear side, the length of the accommodating cavity 20 is greater than the length of the intermediate product 00 , and the width of the accommodating cavity 20 is equal to the thickness of the intermediate product 00 .

[0073] Preferably, the four supporting legs 43 of the base 4 are threadedly connected to the lower surface of the horizontal plate 41 to form an overhead platform with a rectangular frame; a pipeline through hole 44 with a rectangular structure is also provided in the middle of the horizontal plate 41, and the air pipe or electric wire is connected to the swing cylinder 3 through the pipeline through hole 44; its beneficial effect is: the pipeline through hole 44 can realize the safe and orderly placement of the air pipe and electric wire, and prevent other moving parts or operators from accidentally touching the two, thereby stopping production and slowing down production speed.

[0074] Preferably, a reinforcing rib is further provided between the rear side of the horizontal plate 41 and the vertical wall plate 42; the beneficial effect thereof is that the reinforcing rib improves the verticality of the vertical wall plate 42 and prevents poor positioning caused by tilting.

[0075] Preferably, two buffer seats 45 are provided at both ends of the upper surface of the horizontal plate 41 , and the threaded column of the oil pressure buffer 5 is connected to the central threaded hole of the buffer seat 45 .

[0076] Preferably, four U-shaped weight-reducing holes 101 are symmetrically arranged on the upper and lower surfaces of the foam jig 1. The beneficial effect is that the weight-reducing holes 101 significantly reduce the mass of the foam jig 1 and reduce the rotation load of the swing cylinder.

[0077] Preferably, the rear surface of the foam jig 1 is connected to the front surface of the middle flange 14 , and the rear surface of the middle flange 14 is threadedly connected to the output flange of the swing cylinder 3 .

[0078] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the creative concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A double-sided gluing machine for foam products, characterized in that: It comprises a foam jig (1), a glue jig (2), a swing cylinder (3) and a base (4); The foam product (001) is pasted on the base film (002) to form an intermediate product (00) before the double-sided gluing process, and the double-sided film (005) is pasted on the isolation base paper (004) to form a laminating tape (01); The foam jig (1) is a vertical flat plate and the front side is a reference plane. The upper end and the lower end of the reference plane are symmetrically connected to a plurality of transverse positioning pins (6). The distribution of the transverse positioning pins (6) is the same as the distribution and size of the first positioning holes (003) of the bottom film (002). The rear side of the foam jig (1) is connected to the output flange of the swing cylinder (3). The cylinder barrel of the swing cylinder (3) is connected to the front side of the vertical wall plate (42). The swing cylinder (3) is connected to the pneumatic circuit and the control foot valve. When the swing cylinder (3) is started, the foam jig (1) can rotate 180°. The adhesive jig (2) is a horizontal plate and the upper and lower sides are adhesive base surfaces respectively. The two adhesive base surfaces are symmetrically connected to a plurality of vertical positioning pins (7). The distribution of the vertical positioning pins (7) is the same as the distribution and size of the second positioning holes (006) of the isolation base paper (004). The middle opening of the rear side of the adhesive jig (2) forms a receiving cavity (20). The positioning feet (21) on the left and right sides of the receiving cavity (20) are provided with magnetic elements (10). When the magnetic element (10) magnetically attracts and fixes the foam jig (1), the two positioning feet (21) fit the reference plane, and the inner wall of the receiving cavity (20) fits the surface of the foam product (001). The front side of the left end of the adhesive jig (2) protrudes to form a rotating ear (22), and a bearing (23) is fixed on the rotating ear (22); The rotating seat (8) is fixed in front of the left end of the foam jig (1), a vertical hinge shaft (82) is fixed in a rotating cavity (81) on the front side of the rotating seat (8), the bearing (23) is sleeved in the vertical hinge shaft (82), and a force is applied to the free end of the adhesive jig (2) to enable it to rotate; The middle of the rear end of the horizontal plate (41) of the base (4) is vertically connected to the vertical wall plate (42), and two hydraulic buffers (5) are symmetrically fixed on both sides of the front end of the horizontal plate (41), and before and after the swing cylinder (3) rotates, one hydraulic buffer (5) is attached to the lower surface of the glue sticking jig (2); A vertical through hole (24) is provided in the middle of the rotating ear (22), the vertical through hole (24) and the vertical hinge shaft (82) are matched with a small clearance, large-diameter positioning circular grooves (25) are formed at the upper and lower ends of the vertical through hole (24), two positioning circular grooves (25) respectively fix one bearing (23), the vertical hinge shaft (82) is sleeved with two circular positioning pieces (83), one surface of each circular positioning piece (83) is in contact with the bearing (23) and the other surface is in contact with the inner wall of the rotating chamber (81); The upper and lower side walls of the rotating chamber (81) are respectively rectangular block-shaped twisted ears (84), and the vertical shaft hole (86) of each twisted ear (84) is tightly matched with the vertical hinge shaft (82); the vertical hinge shaft (82) does not extend beyond the lower surface of the twisted ear (84), and the flat end (87) of the vertical hinge shaft (82) fits the upper surface of the twisted ear (84); a lower gasket (85) is provided on the lower surface of the twisted ear (84), and a threaded member passes through the through hole of the lower gasket (85) and is threadedly connected to the central threaded hole on the lower surface of the vertical hinge shaft (82); the rotating ear (22) is cylindrical or a rectangular column with rounded edges; A limit stopper (9) is fixed on the left side of the foam jig (1), the front end of the limit stopper (9) is located on the left side of the rotating cavity (81), a front groove (27) is provided at the left end of the outer side of the rotating ear (22), a central threaded blind hole is provided on the bottom groove wall of the front groove (27), the magnetic element (10) and the front groove (27) have the same outline size, and the magnetic element (10) is connected to the central threaded blind hole via a countersunk screw; when the foam jig (1) is rotated 90°, the outer side of the rotating ear (22) fits the front side of the limit stopper (9); the magnetic element (10) fixes the limit stopper (9) by magnetic attraction.

2. A double-sided gluing machine for foam products according to claim 1, characterized in that: The foam jig (1) and the adhesive jig (2) are made of polyurethane or nylon; A rectangular groove (100) is respectively provided at both ends of the foam jig (1), an iron suction block (11) is fixed in each of the rectangular grooves (100), the outer side surface of the suction block (11) is flush with the reference plane, and the suction block (11) and the magnetic element (10) are positioned relative to each other.

3. A double-sided gluing machine for foam products according to claim 1, characterized in that: A rear groove (26) with an oblong hole structure is provided at the center of the outer side surface of the positioning foot (21); two central threaded blind holes are provided on the bottom groove wall of the rear groove (26); the magnetic element (10) and the rear groove (26) have the same height; and the two magnetic elements (10) are connected to the two central threaded blind holes respectively by countersunk screws; Elastic rubber is filled between the two magnetic elements (10) and the side groove wall of the rear groove (26).

4. A double-sided gluing machine for foam products according to claim 3, characterized in that: The magnetic element (10) is a circular strong magnet, and a center hole with a countersunk through hole or a stepped through hole structure is provided in the middle of the magnetic element (10); a countersunk screw is threadedly connected to the center threaded blind hole through the center hole.

5. A double-sided gluing machine for foam products according to claim 1, characterized in that: A plastic ball is fixed to the right end of the threaded shaft of the rotating handle (12), and a fastening nut (13) is connected to the middle thread; the left end of the threaded shaft is fixed to the right side of the adhesive sticking jig (2), and the fastening nut (13) is in contact with the right side of the adhesive sticking jig (2).

6. A double-sided gluing machine for foam products according to claim 1, characterized in that: The upper and lower surfaces of the adhesive laminating jig (2) are evenly arranged with adsorption holes (28) and a gas distribution cavity is provided in the middle, the adsorption holes are connected to the gas distribution cavity, and the air inlet hole at one end of the gas distribution cavity is connected to the vacuum circuit, and the adsorption holes (28) can adsorb and fix the isolation base paper (004).

7. A double-sided gluing machine for foam products according to claim 1, characterized in that: Two rows and N columns of the foam products (001) are adhered to the base film (002) in a rectangular array; N double-sided films (005) with equal spacing are linearly attached to the isolation base paper (004); the spacing between two adjacent foam products (001) in the same column is the same as the spacing between two adjacent double-sided films (005); the length and width of the double-sided films (005) are equal to or slightly larger than the length and width of the foam product (001).

8. A double-sided gluing machine for foam products according to claim 1, characterized in that: The four supporting legs (43) of the base (4) are threadedly connected to the lower surface of the horizontal plate (41) to form an overhead platform with a rectangular frame. A pipeline through hole (44) with a rectangular structure is also provided in the middle of the horizontal plate (41). An air pipe or an electric wire is connected to the swing cylinder (3) through the pipeline through hole (44); A reinforcing rib is also provided between the rear side of the horizontal plate (41) and the vertical wall plate (42); Four U-shaped weight-reducing holes (101) are symmetrically provided on the upper and lower surfaces of the foam jig (1).

Images