CN217084382U - Manufacturing device for simulating seat skin heat-resisting test sample - Google Patents

Abstract

The utility model discloses a manufacturing installation of simulation seat epidermis heat-resisting test sample, include: the test table comprises a lifting table, wherein a test table top is arranged at the top of the lifting table, a flexible supporting pad is arranged on the test table top, the flexible supporting pad has a certain thickness, and the flexible supporting pad is used for forming an elastic cushion layer of a simulated seat; the device base is provided with a surface skin fixing structure, and the surface skin fixing structure is used for fixing the edge of the seat surface skin covering the flexible supporting pad on the device base; and the driving mechanism is connected with the lifting platform and used for driving the lifting platform to move relative to the device base and lifting the test table top from an initial position to a test position so as to stretch the seat skin covering the flexible supporting pad. The manufacturing method can be used for manufacturing a heat-resistant test sample, maximally simulating the condition of the seat skin, and improving the reliability of the heat-resistant test result of the skin material.

Description

Manufacturing device for simulation seat skin heat-resisting test sample

Technical Field

The utility model is used for car research and development makes the field, especially relates to a making devices of simulation seat epidermis heat-resisting test sample.

Background

The heat resistance test of the seat skin is mainly used for confirming that the seat can not cause poor appearance due to high temperature in a vehicle caused by outdoor insolation in the actual use process. Generally, in the process of developing the seat skin, the properties of the skin material are grasped: testing the parts after the performance meets a certain specification value; if the standard is not met, improvement and development are carried out from unqualified items, so that poor performance of trial-work parts can be effectively avoided, the development period is shortened, and the development cost is saved. The prior heat resistance test method of the skin material is as follows:

the method comprises the following steps: and (4) preparing a sample, cutting the skin material into a proper sample size, and recording the color difference value.

Step two: and (4) thermal aging, namely putting the sample into a constant temperature box for thermal aging treatment.

Step three: and (4) appearance evaluation, namely subjective evaluation and color difference evaluation are carried out after heat aging for a period of time.

In practice, the test result of the heat resistance of the skin material is qualified, but the test result of the heat resistance of the seat skin is unqualified. This demonstrates that the prior art skin material heat resistance test methods do not effectively simulate the condition of a seat skin.

In addition, the prior art material-grade methods have failed to evaluate the relaxation performance of part-grade skins after a period of use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a manufacturing installation of simulation seat epidermis heat-resisting test sample, its preparation that can carry out heat-resisting test sample to furthest simulates the condition of seat epidermis, promotes the reliability of skin material heat resistance test result.

The utility model provides a technical scheme that its technical problem adopted is:

a manufacturing device for simulating a seat skin heat-resisting test sample comprises:

the test table comprises a lifting table, wherein a test table top is arranged at the top of the lifting table, a flexible supporting pad is arranged on the test table top, the flexible supporting pad has a certain thickness, and the flexible supporting pad is used for forming an elastic cushion layer of a simulated seat;

the device base is provided with a surface skin fixing structure, and the surface skin fixing structure is used for fixing the edge of the seat surface skin covering the flexible supporting pad on the device base;

and the driving mechanism is connected with the lifting platform and used for driving the lifting platform to move relative to the device base and lifting the test table top from an initial position to a test position so as to stretch the seat skin covering the flexible supporting pad.

In some embodiments, the device base extends from a bottom end surface to a top end surface along a thickness direction, the top end surface is provided with a floating cavity extending towards the bottom end surface, the lift table is mounted to the floating cavity, the lift table has a floating guide surface extending along the thickness direction, a cavity wall of the floating cavity cooperates with the floating guide surface of the lift table to define a guide path for guiding the lift table to move relative to the device base.

In some embodiments, the device base has an outer wall surface extending in a thickness direction from the bottom end surface to the top end surface, the skin-securing structure being disposed on the outer wall surface.

In some embodiments, the lift table has a rectangular test table top, and the device base has four outer wall surfaces parallel to four edges of the test table top.

In some embodiments, the skin fixation structure comprises a skin fixation clip.

In some embodiments, the skin fixing clip includes a first support, a second support and a clamping component, the first support and the second support are arranged on the outer wall surface of the device base at a certain distance, an assembly gap is defined between the first support and the second support, the clamping component is arranged in the assembly gap and is rotatably connected with the first support and the second support on two sides, and the clamping component is provided with an eccentric clamping portion capable of being matched with the device base to clamp the seat skin.

In some embodiments, the outer wall surface of the device base is provided with a clamping cavity, two side wall surfaces of the clamping cavity define the first support and the second support, the clamping component is arranged in the clamping cavity, the clamping component can be opened outwards by the clamping cavity to increase the interval between the eccentric clamping part and the device base, and the clamping component can be closed towards the inside of the clamping cavity to decrease the interval between the eccentric clamping part and the device base.

In some embodiments, the lifting platform is provided with an inward-concave right-angle guide groove at a corner position of the floating guide surface, and a right-angle guide rail matched with the right-angle guide groove is arranged at a corner position of the cavity wall of the floating cavity.

In some embodiments, the device base is provided with a driving seat at the bottom of the floating cavity, the driving seat is provided with a screw hole, the driving mechanism comprises a screw rod installed in the screw hole, and the top end of the screw rod is abutted to the lifting platform.

In some embodiments, further comprising:

the measuring assembly comprises a scale, the scale is connected to the device base through a support, the scale is parallel to the test table board, and the scale is provided with a vernier extending to the test table board.

One of the above technical solutions has at least one of the following advantages or beneficial effects: when the manufacturing device of the technical scheme is adopted to manufacture a simulation seat skin heat-resistant test sample, the test skin covers the flexible supporting pad of the lifting table, and the edge of the test skin is fixed in the skin fixing structure. The lifting platform moves relative to the device base and gradually lifts through the driving mechanism, the skin is stretched due to the fact that the edge of the skin is fixed, and the driving mechanism is stopped after the skin is stretched. After the sample loading step is finished, the loaded sample can be placed in a constant temperature box for a heat resistance test of the seat surface. According to the technical scheme, the heat-resistant test sample can be manufactured, the condition of the seat skin can be simulated to the maximum extent, and the reliability of the heat-resistant test result of the skin material is improved. Moreover, the technical scheme realizes the function of stretching the surface skin by the way of jacking the lifting platform by the driving mechanism, has low difficulty in the manufacturing process, and can flexibly control the stretching amount of the surface skin of the seat through the driving mechanism.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a test platform according to an embodiment of the present invention in an initial position;

FIG. 2 is a schematic diagram of the test platform of FIG. 1 in a test position according to one embodiment;

FIG. 3 is a schematic view of the drive mechanism and skin anchor of one embodiment shown in FIG. 1;

FIG. 4 is a schematic view of the stretching of the skin in one embodiment shown in FIG. 1.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the utility model, the meaning of a plurality of is one or more, the meaning of a plurality of is more than two, and the meaning of more than two is understood as not including the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the present invention, unless otherwise explicitly defined, the terms "set", "install", "connect", and the like are to be understood in a broad sense, and for example, may be directly connected or may be indirectly connected through an intermediate medium; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 and 2, an embodiment of the present invention provides a device for manufacturing a simulated seat skin heat resistance test sample, including an elevating platform 1, a device base 2 and a driving mechanism 3. Wherein, the top of elevating platform 1 is equipped with test table face 11, and 11 levels of test table face set up, are equipped with flexible supporting pad 12 on the test table face 11, and flexible supporting pad 12 has certain thickness, and flexible supporting pad 12 is used for forming the elastic cushion layer of simulation seat, and flexible supporting pad 12 can adopt the PU foaming material of simulation seat standard shape and foaming density preparation, and it can be by the dismouting on the test table face 11, according to the flexible supporting pad 12 of different shapes of seat form change.

The device base 2 is provided with a skin fixing structure for fixing the edge of the seat skin covering the flexible support pad 12 to the device base 2.

The driving mechanism 3 is connected with the lifting platform 1, and the driving mechanism 3 is used for driving the lifting platform 1 to move relative to the device base 2 and lifting the testing platform surface 11 from the initial position to the testing position, so that the seat skin 4 covered on the flexible supporting pad 12 is stretched.

Referring to fig. 4, when the manufacturing apparatus of the present technical solution is used to manufacture a simulated seat skin heat-resistant test sample, the test skin is covered on the flexible supporting pad 12 of the lifting table 1, and the edge 4 of the test skin is fixed in the skin fixing structure. The lifting table 1 is moved and gradually lifted relative to the apparatus base 2 by the driving mechanism 3, and the outer skin 4 is stretched since the edge of the outer skin 4 is fixed, and the driving mechanism 3 is stopped after the stretching. After the sample loading step is finished, the loaded sample can be placed in a constant temperature box for a heat resistance test of the seat surface. According to the technical scheme, the heat-resistant test sample can be manufactured, the condition of the seat skin can be simulated to the maximum extent, and the reliability of the heat-resistant test result of the skin 4 material is improved. Moreover, the technical scheme realizes the function of stretching the surface skin 4 by jacking the lifting platform 1 through the driving mechanism 3, has low difficulty in the manufacturing process, and can flexibly control the stretching amount of the surface skin 4 of the seat through the driving mechanism 3.

The lift platform 1 and the device base 2 are separated from or cooperate with each other, for example, in some embodiments, referring to fig. 1, 2 and 3, the device base 2 extends from a bottom end surface to a top end surface 21 along a thickness direction, the top end surface 21 is provided with a floating cavity 22 extending towards the bottom end surface, the lift platform 1 is mounted in the floating cavity 22, the lift platform 1 is provided with a floating guide surface 13 extending along the thickness direction, and a cavity wall of the floating cavity 22 cooperates with the floating guide surface 13 of the lift platform 1 to define a guide path for guiding the movement of the lift platform 1 relative to the device base 2. In other words, the lifting platform 1 can be lifted upward by the top end face 21 of the device base 2 under the drive of the drive mechanism 3, and stretching of the skin is achieved because the skin edge is fixed. Or the lifting platform 1 is settled in the floating concave cavity 22 and returns to the initial position, so that the positioning, clamping and detaching of the skin on the whole device are facilitated.

In some embodiments, the skin-securing structure is disposed on the edge of the top end surface 21 of the device base 2 and surrounds the floating cavity 22, pulling on the edge of the skin when the platform 1 is raised.

In other embodiments, referring to fig. 1 and 2, the device base 2 has an outer wall surface 23 extending in the thickness direction from the bottom end surface to the top end surface 21, and the skin-securing structure is provided on the outer wall surface 23. In the embodiment, the surface skin is fixed below the structure, so that on one hand, the space occupied by the top end surface 21 of the device base 2 is avoided, and the whole device is more compact; on the other hand, by providing the skin fixing structure on the outer wall surface 23 extending in the thickness direction, the edge of the skin can be made to droop as much as possible, and the skin can be better covered on the flexible support pad 12 of the elevating platform 1.

The lifting platform 1 can be set to be rectangular or round, in some embodiments, in order to measure and evaluate the cuticle looseness conveniently, the lifting platform 1 has a rectangular testing platform 11, the testing platform 11 has two groups of parallel edges, and the cuticle stretching is realized according to the difference of warp and weft. The skin gradually deforms around the edge during stretching, and the deformation along the length direction of the edge is kept consistent. Correspondingly, the device base 2 has four outer walls 23 parallel to the four edges of the test table 11.

The skin attachment structure may be secured by clamping, adhesive, or the like, and in some embodiments, the skin attachment structure includes a skin retaining clip. The skin fixation clips may employ resilient clips that include springs. It is also possible to adopt the construction shown in fig. 3 and 4, i.e. the skin retainer clip comprises a first seat, a second seat and a clamping member 24, the first seat and the second seat are arranged on the outer wall surface 23 of the device base 2 at a certain distance, an assembly gap is defined between the first seat and the second seat, the clamping member 24 is arranged in the assembly gap and is rotatably connected with the first seat and the second seat on both sides, and the clamping member 24 is provided with an eccentric clamping portion 25 which can cooperate with the device base 2 to clamp the seat skin. This embodiment replaces the fixed sample of traditional double faced adhesive tape for wearing and tearing tester through eccentric rotation clamping mode, reduces the trouble of clearance glue after experimental, reduces experimental consumptive material.

Further, referring to fig. 3 and 4, the outer wall surface 23 of the device base 2 is provided with a clamping cavity, a sawtooth structure is arranged in the clamping cavity, two side wall surfaces of the clamping cavity define a first support and a second support, a clamping component 24 is arranged in the clamping cavity, the clamping component 24 can be opened outwards from the clamping cavity to increase the interval between the eccentric clamping portion 25 and the device base 2, and at the moment, the skin can be placed in or taken out from between the eccentric clamping portion 25 and the device base 2. The tightening member can be closed towards the inside of the clamping cavity so that the eccentric clamping portion 25 is less spaced from the device base 2, at which time the edge of the skin can be clamped. The clamping of the skin is substantially ensured in this embodiment by means of the combination of clamping cavities, saw tooth formations and eccentric clamping portions 25, avoiding back-loosening during testing.

The elevating platform 1 is to ensure that the testing platform 11 is always in a horizontal state in the elevating process so as to ensure that the surface skin can be uniformly stretched and stretched in four directions, in view of this, see fig. 1 and fig. 2, in some embodiments, the elevating platform 1 is provided with an inwards concave right-angle guide groove at the corner position of the floating guide surface 13, the corner position of the cavity wall of the floating cavity 22 is provided with a right-angle guide rail matched with the right-angle guide groove, the direct guide groove and the right-angle guide rail are mutually embedded, the number of matching surfaces is further increased, the restriction in the elevating process of the elevating platform 1 is increased, and the elevating stability of the elevating platform 1 is fully ensured.

The driving mechanism 3 can be driven by an air cylinder, an electric push rod, a cam, or can be directly adjusted manually, for example, in some embodiments, referring to fig. 3 and 4, the device base 2 is provided with a driving seat 26 at the bottom of the floating cavity 22, the driving seat 26 is provided with a screw hole, the driving mechanism 3 includes a screw rod 31 installed in the screw hole, the top end of the screw rod 31 abuts against the lifting platform 1, and the bottom end of the screw rod 31 is connected with a handle 32. The handle 32 is rotated, and the screw 31 is in transmission fit with the screw hole, so that the lifting platform 1 is gradually lifted.

In some embodiments, referring to fig. 1 and 2, the manufacturing apparatus further comprises a measuring assembly 5 for measuring the skin stretch, the measuring assembly 5 comprises a scale 51, the scale 51 is connected to the apparatus base 2 through a bracket 52, the scale is parallel to the test table 11, and the scale is provided with a cursor 53 extending to the test table 11. The sliding cursor can conveniently measure the marked lines on the test skin to determine the stretching condition. This example, along with measuring the heat resistance of the skin, also enables the relaxation properties of the skin to be evaluated after a period of use.

In the description of the present specification, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims (10)

1. The utility model provides a making devices of simulation seat epidermis heat resistance test sample which characterized in that includes:

the test table comprises a lifting table, wherein a test table top is arranged at the top of the lifting table, a flexible supporting pad is arranged on the test table top, the flexible supporting pad has a certain thickness, and the flexible supporting pad is used for forming an elastic cushion layer of a simulated seat;

the device base is provided with a surface skin fixing structure, and the surface skin fixing structure is used for fixing the edge of the seat surface skin covering the flexible supporting pad on the device base;

and the driving mechanism is connected with the lifting platform and used for driving the lifting platform to move relative to the device base and lifting the test table top from an initial position to a test position so as to stretch the seat skin covering the flexible supporting pad.

2. The apparatus as claimed in claim 1, wherein the apparatus base extends in a thickness direction from a bottom end surface to a top end surface, the top end surface is provided with a floating cavity extending in a direction of the bottom end surface, the lift is mounted in the floating cavity, the lift has a floating guide surface extending in the thickness direction, and a wall of the floating cavity cooperates with the floating guide surface of the lift to define a guide path for guiding the lift to move relative to the apparatus base.

3. The apparatus as claimed in claim 2, wherein the apparatus base has an outer wall surface extending in a thickness direction from the bottom end surface to the top end surface, the skin fixing structure being provided on the outer wall surface.

4. The apparatus as claimed in claim 3, wherein the elevating platform has a rectangular testing table, and the apparatus base has four outer walls parallel to four edges of the testing table.

5. The apparatus for preparing a simulated seat skin heat resistance test specimen as claimed in claim 4, wherein said skin fixing structure comprises a skin fixing clip.

6. The device for manufacturing the simulated seat skin heat resistance test sample as claimed in claim 5, wherein the skin fixing clip comprises a first support, a second support and a clamping component, the first support and the second support are arranged on the outer wall surface of the device base at a certain interval, an assembly gap is defined between the first support and the second support, the clamping component is arranged in the assembly gap and is rotatably connected with the first support and the second support on two sides, and the clamping component is provided with an eccentric clamping part which can be matched with the device base to clamp the seat skin.

7. The device for manufacturing the simulated seat skin heat resistance test sample as claimed in claim 6, wherein the outer wall surface of the device base is provided with a clamping cavity, two side wall surfaces of the clamping cavity define the first support and the second support, the clamping component is arranged in the clamping cavity, the clamping component can be opened outwards from the clamping cavity to increase the interval between the eccentric clamping part and the device base, and the clamping component can be closed towards the inside of the clamping cavity to decrease the interval between the eccentric clamping part and the device base.

8. The device for manufacturing the simulated seat skin heat resistance test sample according to claim 4, wherein the lifting platform is provided with an inward-concave right-angle guide groove at the corner position of the floating guide surface, and a right-angle guide rail matched with the right-angle guide groove is arranged at the corner position of the cavity wall of the floating cavity.

9. The apparatus for manufacturing the simulated seat skin heat resistance test sample as recited in claim 2, wherein the apparatus base is provided with a driving seat at a bottom of the floating cavity, the driving seat is provided with a screw hole, the driving mechanism comprises a screw rod mounted in the screw hole, and a top end of the screw rod abuts against the lifting platform.

10. The apparatus for preparing a simulated seat skin heat resistance test sample as claimed in claim 1, further comprising:

the measuring assembly comprises a scale, the scale is connected to the device base through a support, the scale is parallel to the test table board, and the scale is provided with a vernier extending to the test table board.

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