Anti-wrinkle press molding machine and press molding method for automobile floor mat

Abstract

The application relates to an anti-wrinkle press forming machine and a press forming method for automobile foot pads, which comprise a press forming machine, an upper die (1) fixed on a press head of the press forming machine and a lower die (2) fixed at a position corresponding to the upper die (1) below the upper die (1), characterized in that detachable pressing plates (10) are vertically arranged on the outer vertical surface of the upper die (1), the pressing plates (10) are located at positions close to the edge corners of a foot pad sheet on the outer vertical surface of the upper die (1) on both sides of the edge corners of the foot pad sheet, the bottom end of the pressing plate (10) is lower than the bottom end of the upper die (1), and a gap with the thickness of the foot pad sheet is arranged between the inner side of the pressing plate (10) and the corresponding outer vertical surface of the lower die (2). The application has the beneficial effects of avoiding accidental injuries such as finger extrusion of the staff, saving labor cost, reducing labor intensity, improving the press forming efficiency and improving the pulling effect of the foot pad sheet.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of profiling technology, in particular to a wrinkle-proof profiling machine for automobile foot pads. BACKGROUND

[0002] As a commonly used automobile interior accessory, foot pads have the functions of water absorption, dust collection, increasing the friction of the driver's feet, reducing the slipping of the driver's feet, facilitating cleaning, etc., and can effectively keep the vehicle interior clean and reduce safety driving accidents caused by foot slipping.

[0003] During the production process of foot pads, a flat foot pad sheet is usually pressed into shape according to the designed shape and pattern by using a profiling machine and the upper and lower molds installed on the profiling machine. However, there are many problems in the existing foot pad profiling process. For example, when the profiling machine drives the upper mold to descend and the upper and lower molds of the profiling mold are closed, multiple operators need to manually pull the edges and corners of the foot pad sheet located outside the lower mold to prevent the profiling part of the foot pad sheet located inside the lower mold from wrinkling or deforming during the profiling process of the profiling machine, thereby causing quality defects in the profiled foot pad product. As can be seen, manually pulling the foot pad sheet not only consumes a lot of labor, has high labor intensity, and is low in work efficiency, but also is prone to uneven pulling due to simultaneous pulling by multiple people, resulting in unsatisfactory pulling effect. In addition, since the pulling part is close to the position where the upper and lower molds of the profiling machine are closed, the operator is prone to finger extrusion and other accidents, which is extremely dangerous. SUMMARY

[0004] The present application provides a wrinkle-proof profiling machine for automobile foot pads that can automatically pull the foot pad sheet without the need for operators to approach the profiling machine when the upper mold is descending.

[0005] The present application is achieved by the following technical solution, which provides a wrinkle-proof profiling machine for automobile foot pads, comprising a profiling machine, an upper mold fixed to the profiling head of the profiling machine, and a lower mold fixed to the corresponding position of the profiling machine below the upper mold. A detachable pressing plate is vertically installed on the outer surface of the upper mold. The pressing plate is located at the position close to the edge corner of the foot pad sheet on both sides of the edge corner of the foot pad sheet on the outer surface of the upper mold. The bottom end of the pressing plate is lower than the bottom end of the upper mold. A gap with a thickness suitable for the foot pad sheet is provided between the inner side of the pressing plate and the corresponding outer surface of the lower mold.

[0006] In the scheme, when the upper mold is lowered, the bottom end of the pressing plate first contacts the surface of the foot pad sheet, and with the lowering of the upper mold, the edge corner position of the foot pad sheet located outside the lower mold is bent, the part of the foot pad sheet bent is extruded and fixed on the outer facade of the lower mold without damaging the foot pad sheet, thereby pulling the edge corner of the foot pad sheet during the molding of the upper mold and the lower mold, thereby avoiding the problems of wrinkles and deformation of the foot pad sheet during the molding process of the molding machine.

[0007] Preferably, the bottom end of the pressing plate is provided with an upwardly bent circular arc.

[0008] In the optimization scheme, the bottom end of the pressing plate is provided with an upwardly bent circular arc, thereby avoiding damage to the surface of the foot pad sheet when the pressing plate contacts the foot pad sheet.

[0009] Preferably, the pressing plate is uniformly distributed at intervals on the outer facade of the upper mold except for the positions near the edge corners of the foot pad sheet on both sides of the edge corners of the foot pad sheet.

[0010] In the optimization scheme, by uniformly distributing a plurality of pressing plates at intervals on the outer facade of the upper mold except for the positions near the edge corners of the foot pad sheet on both sides of the edge corners of the foot pad sheet, the remaining parts of the foot pad sheet except for the edge corners can be bent and extruded and fixed on the outer facade of the lower mold before the molding of the upper mold and the lower mold, thereby avoiding the problems of wrinkles and deformation of the foot pad sheet during the molding process of the molding machine.

[0011] Preferably, the lower mold is provided with a fixing plate at the position corresponding to the edge corner of the foot mat sheet, the fixing plate is fixed on the press, the upper surface of the fixing plate is fixed with a plurality of parallel guide columns, the guide columns are slidably connected with a mounting plate, the upper surface of the mounting plate is fixed with pneumatic clamps for clamping the edge corner of the foot mat sheet, the central axis of the pneumatic clamps is parallel to the central axis of the guide columns, the central axis of the pneumatic clamps is in the same vertical reference plane as the central axis of the lower mold, and there is an included angle between the central axis of the pneumatic clamps and the central axis of the lower mold, the distance between the upper end of the pneumatic clamps and the central axis of the lower mold is less than the distance between the lower end of the pneumatic clamps and the central axis of the lower mold, a spring is sleeved on the guide column, one end of the spring is fixed on the mounting plate and the other end of the spring is fixed on the fixing plate, and when the spring is in a free state, the height of the pneumatic clamps is lower than the height of the lowermost end of the bent part of the foot mat sheet.

[0012] In the optimization scheme, since the height of the pneumatic clamps is lower than the height of the lowermost end of the bent part of the foot mat sheet when the spring is in a free state, the pneumatic clamps can always pull the edge corner of the foot mat sheet after clamping the edge corner of the foot mat sheet, thereby further ensuring the pulling effect on the edge corner of the foot mat sheet, and since the mounting plate is slidably connected with the guide columns, the pneumatic clamps can smoothly move along the guide columns by overcoming the pulling force of the spring when the foot mat sheet is pressed in the mold of the upper mold and the lower mold.

[0013] Preferably, the upper surface of the fixing plate is fixed with a pneumatic cylinder at the position corresponding to the mounting plate, the central axis of the piston rod of the pneumatic cylinder is parallel to the central axis of the pneumatic clamps, the front end of the piston rod of the pneumatic cylinder is fixed with a push plate, and when the spring is in a free state and the piston rod of the pneumatic cylinder is fully retracted, the distance between the bottom surface of the mounting plate and the upper surface of the fixing plate is greater than or equal to the distance between the upper surface of the push plate and the upper surface of the fixing plate.

[0014] In the optimization scheme, the pneumatic cylinder and the push plate can move the mounting plate and the pneumatic clamps upward along the axial direction of the guide column to the clamped position of the foot mat sheet by overcoming the pulling force of the spring after the foot mat sheet is bent, thereby saving manpower and reducing the danger of manual operation to the operator, and since the distance between the bottom surface of the mounting plate and the upper surface of the fixing plate is greater than or equal to the distance between the upper surface of the push plate and the upper surface of the fixing plate when the spring is in a free state and the piston rod of the pneumatic cylinder is fully retracted, the pneumatic cylinder and the push plate do not always stretch the spring, thereby ensuring the service life of the spring.

[0015] The scheme also provides a pressing method using the anti-wrinkle press for automobile foot mat, which realizes the pulling of the foot mat sheet during the pressing of the foot mat sheet, and specifically includes the following steps:

[0016] The first step is that an operator positions and places a flat foot pad sheet on a lower mold;

[0017] The second step is that the operator controls the upper mold to descend, and the foot pad sheet is bent at the edge corner and the peripheral part outside the lower mold by the pressing plate, and at this time, the upper mold has not been combined with the lower mold.

[0018] At the same time, the cylinder drives the pushing plate to push the pneumatic clamping jaw to move upward along the guide column to the edge corner of the bent foot pad sheet to clamp the edge corner of the foot pad sheet.

[0019] Then, the cylinder drives the pushing plate to retract, and the pneumatic clamping jaw pulls the foot pad sheet under the action of the spring tension.

[0020] The third step is that the upper mold continues to move downward and is combined with the lower mold to perform the pressing operation on the foot pad sheet, and at the time when the upper mold is combined with the lower mold, the pressing plate extrudes and fixes the part of the foot pad sheet outside the lower mold on the outer surface of the lower mold, and the upper mold drives the foot pad sheet to sink in the lower mold against the spring tension, and in the process of sinking in the lower mold, the spring always applies the outward pulling force to the edge corner of the foot pad sheet through the pneumatic clamping jaw.

[0021] The fourth step is that after the pressing operation of the foot pad sheet is completed, the cylinder drives the pushing plate to move upward to contact with the mounting plate, the pneumatic clamping jaw is released, the cylinder drives the pushing plate to retract, and at the same time, the mounting plate moves downward along the guide column under the action of the spring tension until the spring is in a free state, and then the upper mold rises, and the operator takes away the foot pad sheet after the pressing operation.

[0022] The beneficial effects of the present application are that the device can automatically bend, clamp and pull the edge corner and the peripheral part of the foot pad sheet outside the lower mold during the pressing operation of the foot pad sheet, thereby avoiding the situation that the operator suffers from finger extrusion and other accidental injuries, greatly reducing the number of required operators, saving the labor cost, reducing the labor intensity of the operator, improving the pressing efficiency of the foot pad sheet, and avoiding the uneven pulling force on the foot pad sheet, and the pulling effect on the foot pad sheet is better than that of the traditional manual pulling. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is a schematic diagram of the overall structure of the present application;

[0024] Fig. 2 It is a schematic diagram of the local structure of the present application;

[0025] In the drawings:

[0026] 1, upper die, 2, lower die, 3, fixed plate, 4, guide column, 5, mounting plate, 6, pneumatic clamping jaw, 7, spring plate, 8, air cylinder, 9, push plate, 10, pressing plate. DETAILED DESCRIPTION

[0027] In order to clearly illustrate the technical features of the scheme, the scheme will be described below through specific embodiments.

[0028] As shown in Figs. 1-2 A kind of anti-wrinkle press forming machine for automobile foot mat, including press forming machine, the upper die 1 is fixedly connected on the pressure head of press forming machine, the lower die 2 is fixedly connected on press forming machine below the upper die 1 and corresponds the position of upper die 1, the detachable pressing plate 10 is vertically installed on the outer vertical surface of upper die 1 by bolt, the pressing plate 10 is located at the position close to the edge corner of foot mat sheet on the outer vertical surface of upper die 1 corresponding to the edge corner of foot mat sheet on both sides, and in addition to the position close to the edge corner of foot mat sheet on both sides corresponding to the edge corner of foot mat sheet on the outer vertical surface of upper die 1, a plurality of pressing plates 10 are also uniformly distributed at intervals, the bottom end of pressing plate 10 is lower than the bottom end of upper die 1, and the bottom end of all pressing plates 10 on upper die 1 is located on the same horizontal plane, the gap suitable for the thickness of foot mat sheet is provided between the inner side of pressing plate 10 and the outer vertical surface corresponding to lower die 2, and the circular arc bent upward is provided on the outer side of the bottom end of pressing plate 10;

[0029] The fixed plate 3 is fixedly connected on the outer part of press forming machine corresponding to the edge corner of foot mat sheet, the upper surface of fixed plate 3 is inclined surface, 2 parallel guide columns 4 are symmetrically fixedly connected on the upper surface of fixed plate 3, the mounting plate 5 is slidably connected on the guide column 4, the pneumatic clamping jaw 6 for clamping the edge corner of foot mat sheet is fixedly connected on the upper plane of mounting plate 5, the central axis of pneumatic clamping jaw 6 is parallel to the central axis of guide column 4, the central axis of pneumatic clamping jaw 6 and the central axis of lower die 2 are located in the same vertical reference plane, and there is an included angle between the central axis of pneumatic clamping jaw 6 and the central axis of lower die 2, the distance between the upper end of pneumatic clamping jaw 6 and the central axis of lower die 2 is less than the distance between the lower end of pneumatic clamping jaw 6 and the central axis of lower die 2, the spring 7 is sleeved on the guide column 4, one end of spring 7 is fixedly connected on mounting plate 5, and the other end of spring 7 is fixedly connected on fixed plate 3, when spring 7 is in free state, the height of pneumatic clamping jaw 6 is lower than the height of the lowest end of the bent part of foot mat sheet, the air cylinder 8 is fixedly connected on the upper surface of fixed plate 3 corresponding to mounting plate 5 between 2 guide columns 4, the central axis of air cylinder 8 is parallel to the central axis of pneumatic clamping jaw 6, the front end of piston rod of air cylinder 8 is fixedly connected with push plate 9, when spring 7 is in free state and piston rod of air cylinder 8 is completely retracted, the distance between the bottom surface of mounting plate 5 and the upper surface of fixed plate 3 is greater than or equal to the distance between the upper surface of push plate 9 and the upper surface of fixed plate 3.

[0030] The method for pressing in the anti-wrinkle press machine for automobile foot mat in the embodiment comprises the following steps:

[0031] In the first step, the operator positions and places the flat foot mat sheet on the lower die 2;

[0032] In the second step, the operator controls the upper die 1 to descend, and the pressing plate 10 bends the edge corner and the peripheral part of the foot mat sheet outside the lower die downwards. At this time, the upper die 1 is not combined with the lower die 2.

[0033] At the same time, the air cylinder 8 drives the pushing plate 9 to push the pneumatic clamping jaw 6 to move upwards along the guide column 4 to the edge corner of the bent foot mat sheet, and the pneumatic clamping jaw 6 clamps the edge corner of the foot mat sheet.

[0034] Then, the air cylinder 8 drives the pushing plate 9 to retract, and the pneumatic clamping jaw 6 is pulled by the pulling force of the spring 7.

[0035] In the third step, the upper die 1 continues to move downwards and is combined with the lower die 2 to perform the pressing operation on the foot mat sheet. When the upper die 1 is combined with the lower die 2, the pressing plate 10 extrudes and fixes the part of the foot mat sheet outside the lower die 2 on the outer surface of the lower die 2, and the upper die 1 drives the foot mat sheet to sink in the lower die 2 against the pulling force of the spring 7. In the process of sinking of the foot mat sheet in the lower die 2, the spring 7 always applies the outward pulling force to the edge corner of the foot mat sheet through the pneumatic clamping jaw 6.

[0036] In the fourth step, after the pressing operation of the foot mat sheet is completed, the air cylinder 8 drives the pushing plate 9 to move upwards to contact with the mounting plate 5, the pneumatic clamping jaw 6 is released, the air cylinder 8 drives the pushing plate 9 to retract, and the mounting plate 5 is affected by the pulling force of the spring 7 to move downwards along the guide column 4 until the spring 7 is in a free state. Then, the upper die 1 is lifted, and the operator takes away the foot mat sheet after the pressing operation.

[0037] Of course, the above description is not limited to the above examples, and the technical features not described in the application can be realized by or using the prior art, which will not be described here. The above embodiments and drawings are only used to illustrate the technical solutions of the application and are not a limitation on the application. The application has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that the changes, modifications, additions or substitutions made by those skilled in the art within the essential scope of the application do not deviate from the purpose of the application, and should also belong to the protection scope of the claims of the application.

Claims

1. A crease-proof press for automobile floor mats, comprising a press, an upper die (1) fixed on the press head of the press, and a lower die (2) fixed at a position corresponding to the upper die (1) of the press below the upper die (1), characterized in that: The outer facade of the upper die (1) is vertically provided with a detachable pressing plate (10), which is located at the position close to the edge corner of the foot pad sheet on both sides of the edge corner of the foot pad sheet corresponding to the outer facade of the upper die (1), the bottom end of the pressing plate (10) is lower than the bottom end of the upper die (1), and a gap with the thickness of the foot pad sheet is arranged between the inner side of the pressing plate (10) and the corresponding outer facade of the lower die (2); The outer facade of the lower die (2) is provided with a fixed plate (3) corresponding to the position of the edge corner of the foot pad sheet, the fixed plate (3) is fixed on the press machine, the upper surface of the fixed plate (3) is fixed with a plurality of parallel guide columns (4), the guide columns (4) are slidably connected with a mounting plate (5), the upper surface of the mounting plate (5) is fixed with a pneumatic clamp jaw (6) for clamping the edge corner of the foot pad sheet, the central axis of the pneumatic clamp jaw (6) is parallel to the central axis of the guide column (4), the central axis of the pneumatic clamp jaw (6) and the central axis of the lower die (2) are located in the same vertical reference surface, and there is an included angle between the central axis of the pneumatic clamp jaw (6) and the central axis of the lower die (2), the distance between the upper end of the pneumatic clamp jaw (6) and the central axis of the lower die (2) is less than the distance between the lower end of the pneumatic clamp jaw (6) and the central axis of the lower die (2), a spring (7) is arranged on the guide column (4), one end of the spring (7) is fixed on the mounting plate (5), and the other end of the spring (7) is fixed on the fixed plate (3); The upper surface of the fixed plate (3) is fixed with a pneumatic cylinder (8) corresponding to the position of the mounting plate (5), the central axis of the piston rod of the pneumatic cylinder (8) is parallel to the central axis of the pneumatic clamp jaw (6), the front end of the piston rod of the pneumatic cylinder (8) is fixed with a push plate (9), when the spring (7) is in a free state and the piston rod of the pneumatic cylinder (8) is fully retracted, the distance between the bottom surface of the mounting plate (5) and the upper surface of the fixed plate (3) is greater than or equal to the distance between the upper surface of the push plate (9) and the upper surface of the fixed plate (3).

2. The anti-wrinkle press machine for automobile foot mat according to claim 1, characterized in that: The bottom end of the pressing plate (10) is provided with an upwardly bent circular arc.

3. The anti-wrinkle press machine for automobile foot mat according to claim 1, characterized in that: The pressing plate (10) is uniformly distributed with a plurality of pressing plates at intervals on the outer facade of the upper die (1) except the positions close to the edge corner of the foot pad sheet on both sides of the edge corner of the foot pad sheet corresponding to the outer facade of the upper die (1).

4. A method of embossing by the anti-wrinkle embossing press for automobile floor mats according to any one of claims 1 to 3, characterized in that, The method comprises the following steps: Firstly, the operator positions and places the flat foot pad sheet on the lower die (2); Secondly, the operator controls the upper die (1) to descend, and bends the edge corner part and the peripheral part of the foot pad sheet outside the lower die downward through the pressing plate (10), at this time, the upper die (1) has not been closed with the lower die (2); At the same time, the pneumatic cylinder (8) drives the pneumatic clamp jaw (6) to move upward to the edge corner of the bent foot pad sheet along the guide column (4) by overcoming the tension of the spring (7) through the push plate (9), and the pneumatic clamp jaw (6) clamps the edge corner of the foot pad sheet; Then, the pneumatic cylinder (8) drives the push plate (9) to retract, and the pneumatic clamp jaw (6) pulls the foot pad sheet under the action of the tension of the spring (7). Third step, the upper die (1) continues to move down and with the lower die (2) die, the foot pad sheet is shaped work, when the upper die (1) and the lower die (2) die, the pressing plate (10) extrudes and fixes the part of the foot pad sheet outside the lower die (2) on the outer facade of the lower die (2), at the same time, the upper die (1) drives the foot pad sheet to sink in the lower die (2) against the spring (7) pulling force, in the process of the foot pad sheet sinking in the lower die (2), the spring (7) always applies the outward pulling force to the edge corner of the foot pad sheet through the pneumatic clamp jaw (6); Fourth step: after the foot pad sheet completes the shaping work, the pneumatic cylinder (8) drives the push plate (9) to move up to contact with the mounting plate (5), the pneumatic clamp jaw (6) is loosened, the pneumatic cylinder (8) drives the push plate (9) to retract, at the same time, the mounting plate (5) moves down along the guide column (4) under the influence of the spring (7) pulling force, until the spring (7) is in the free state, then the upper die (1) rises, the operator takes away the foot pad sheet which completes the shaping.

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