CN220104001U - Size measurement device of foam for new energy automobile - Google Patents

Abstract

The utility model discloses a size measuring device for foam used for a new energy automobile, relates to the technical field of measuring devices, and solves the technical problems that the existing measuring device cannot well meet the requirement of measuring thickness and width simultaneously when measuring the size of the foam, and the foam is easy to deform and influence measuring accuracy. The device comprises a thickness measuring assembly, a width measuring assembly, a positioning assembly and a bearing assembly; the positioning component and the bearing component are oppositely arranged and can reciprocate relative to the bearing component; the positioning component is matched with the bearing component and used for fixing an object to be detected on the bearing component; the width measuring assembly is fixed on the bearing assembly; the thickness measuring assembly is arranged on one side of the positioning assembly and the bearing assembly. According to the utility model, the thickness and the width of the object to be measured are measured through the thickness measuring assembly and the width measuring assembly, the positioning assembly moves towards the bearing assembly and is matched with the bearing assembly to fix the object to be measured, so that the deformation of the object to be measured is prevented, and the measurement accuracy is ensured.

Description

Size measurement device of foam for new energy automobile

Technical Field

The utility model relates to the technical field of measuring devices, in particular to a size measuring device for foam used for a new energy automobile.

Background

The foam is foamed material with plastic particles, and has the characteristics of elasticity, light weight, quick pressure-sensitive fixation, convenient use, free bending, ultrathin volume, reliable performance and the like. Along with the popularization of new energy automobiles, parts on the automobiles are also rapidly improved and developed, and in order to improve the comfort and the safety of the automobiles, the use of automobile foam is more and more widespread, such as the use of an automobile engine, which is required to be wrapped with soundproof foam and damping foam, a battery body and an automobile shell are required to be provided with heat insulation foam, and the use of a large amount of foam and other use conditions of automobile interiors are also required. In the new energy automobile, foam which needs to be used at different positions has the requirements of different thickness and width.

Manufacturers are also increasingly controlling the size of the foam in order to balance the performance and cost of the foam, and if the thickness and width of the foam need to be measured. When the existing measuring device is used for measuring foam, only the thickness or width of the foam is usually measured, and combined measurement is not performed, so that the measuring efficiency is reduced; simultaneously, fix the bubble cotton when measuring and lead to the fact bubble cotton deformation easily, influence measurement accuracy.

In the process of implementing the present utility model, the inventor finds that at least the following problems exist in the prior art:

when the size of the foam is measured by the existing measuring device, the thickness and the width cannot be well measured simultaneously, and the foam is easy to deform, so that the measuring precision is affected.

Disclosure of Invention

The utility model aims to provide a device for measuring the size of foam used for a new energy automobile, which aims to solve the technical problems that the prior measuring device in the prior art cannot well meet the requirement of measuring thickness and width simultaneously when measuring the size of foam, and the foam is easy to deform and influence measuring accuracy. The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a size measuring device of foam used for a new energy automobile, which comprises a thickness measuring component, a width measuring component, a positioning component and a bearing component; the positioning component is arranged opposite to the bearing component and can reciprocate relative to the bearing component; the positioning component is matched with the bearing component and used for fixing an object to be detected on the bearing component; the width measuring assembly is fixed on the bearing assembly; the thickness measuring assembly is arranged on one side of the positioning assembly and one side of the bearing assembly.

Preferably, the width measurement assembly comprises a first measurement structure and a second measurement structure; the first measuring structure and the second measuring structure are respectively arranged at two sides of the bearing assembly; the first measuring structure and the second measuring structure comprise a mounting seat, a light source emitter and a light source receiver; the light source emitter and the light source receiver are adjacently arranged and are fixed on the bearing assembly through the mounting seat.

Preferably, the thickness measurement assembly comprises a plate structure and a movable member; the plate structure is provided with a scale and a chute; the scale and the chute are arranged in parallel, and the ends are aligned; the initial end of the scale is flush with one side, close to the object to be detected, of the bearing assembly.

Preferably, one end of the movable piece is slidably connected in the chute, and the other end of the movable piece is fixed on the positioning assembly; a pointer is arranged on one side of the movable part facing the bearing assembly; the pointer is positioned at the front side of the scale; the movable piece is also provided with a sensor; an induction piece matched with the sensor is arranged on one end of the sliding groove.

Preferably, the thickness measurement assembly further comprises a detector; the detector is fixed on the positioning component and used for detecting the distance between the detector and the object to be detected.

Preferably, the positioning assembly comprises a sliding structure, a rubber plate and a driving structure; the sliding structure is fixedly connected with the driving structure; the driving structure can drive the sliding structure to reciprocate, so that the rubber plate fixed on the sliding structure is driven to be close to or far away from the object to be detected.

Preferably, the sliding structure comprises a sliding seat, a sliding block and a sliding rail; the sliding seat is movably connected with the sliding rail through the sliding block; the two sliding rails are respectively arranged at two ends of the bearing assembly.

Preferably, the device further comprises a clamping assembly; the clamping assembly comprises a clamping plate, a rotating shaft and a driving piece; the upper end of the bearing component is provided with a screw rod which is rotationally connected; the screw rod is in threaded connection with the clamping plate; the screw rod is in meshed rotary connection with the rotating shaft through a gear; the driving piece is movably connected with the rotating shaft and can drive the rotating shaft to rotate.

Preferably, the device further comprises a control structure; the control structure is electrically connected with the thickness measuring assembly, the width measuring assembly, the positioning assembly and the clamping assembly; the control structure can control the positioning component and the clamping component; the control structure is provided with a display screen which can receive and display the data measured by the thickness measuring assembly and the width measuring assembly.

Preferably, the bearing assembly comprises a bearing plate, a fixed plate and a rubber pad; the rubber pad is fixed on the bearing plate through the fixing plate; the rubber pad is arranged adjacent to the positioning assembly.

By implementing one of the technical schemes, the utility model has the following advantages or beneficial effects:

according to the utility model, the thickness and the width of the object to be measured are measured through the thickness measuring assembly and the width measuring assembly, the positioning assembly moves towards the bearing assembly and is matched with the bearing assembly to fix the object to be measured, so that the deformation of the object to be measured is prevented, and the measurement accuracy is ensured.

Drawings

For a clearer description of the technical solutions of embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art, in which:

FIG. 1 is a first perspective view of an embodiment of a device for measuring the size of foam for a new energy vehicle according to the present utility model;

FIG. 2 is a front view of an embodiment of a device for measuring the size of foam for a new energy vehicle according to the present utility model;

FIG. 3 is a second perspective view of an embodiment of a device for measuring the size of foam for use in a new energy vehicle according to the present utility model;

FIG. 4 is an enlarged schematic view of A in FIG. 3;

fig. 5 is a third perspective view of an embodiment of a device for measuring the size of foam for a new energy automobile according to the present utility model.

In the figure: 1. a thickness measurement assembly; 11. a plate structure; 111. a ruler; 112. a chute; 113. an induction piece; 12. a movable member; 121. a pointer; 122. a sensor; 13. a detector; 2. a width measurement assembly; 21. a first measurement structure; 22. a second measurement structure; 23. a mounting base; 24. a light source emitter; 25. a light source receiver; 3. a positioning assembly; 31. a sliding structure; 311. a sliding seat; 312. a slide block; 313. a slide rail; 32. a rubber plate; 33. a driving structure; 4. a carrier assembly; 41. a carrying plate; 42. a fixing plate; 43. a rubber pad; 5. a clamping assembly; 51. a clamping plate; 52. a rotating shaft; 53. a driving member; 54. a screw; 6. a control structure; 61. and a display screen.

Detailed Description

For a better understanding of the objects, technical solutions and advantages of the present utility model, reference should be made to the various exemplary embodiments described hereinafter with reference to the accompanying drawings, which form a part hereof, and in which are described various exemplary embodiments which may be employed in practicing the present utility model. The same reference numbers in different drawings identify the same or similar elements unless expressly stated otherwise. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. It is to be understood that they are merely examples of processes, methods, apparatuses, etc. that are consistent with certain aspects of the present disclosure as detailed in the appended claims, other embodiments may be utilized, or structural and functional modifications may be made to the embodiments set forth herein without departing from the scope and spirit of the present disclosure.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," and the like are used in an orientation or positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model and to simplify the description, rather than to indicate or imply that the elements referred to must have a particular orientation, be constructed and operate in a particular orientation. The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The term "plurality" means two or more. The terms "connected," "coupled" and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, communicatively connected, directly connected, indirectly connected via intermediaries, or may be in communication with each other between two elements or in an interaction relationship between the two elements. The term "and/or" includes any and all combinations of one or more of the associated listed items. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In order to illustrate the technical solutions of the present utility model, the following description is made by specific embodiments, only the portions related to the embodiments of the present utility model are shown.

Embodiment one:

1-5, the utility model provides a size measuring device of foam for a new energy automobile, which comprises a thickness measuring component 1, a width measuring component 2, a positioning component 3 and a bearing component 4; the positioning component 3 is arranged opposite to the bearing component 4 and reciprocates relative to the bearing component 4; the positioning component 3 is matched with the bearing component 4 and is used for fixing an object to be detected on the bearing component 4; the width measuring assembly 2 is fixed on the bearing assembly 4; the thickness measuring assembly 1 is arranged on one side of the positioning assembly 3 and the bearing assembly 4. Specifically, the carrying component 4 is used for placing an object to be measured, which is foam to be measured or other objects to be measured. The positioning component 3 and the bearing component 4 are oppositely arranged, can reciprocate relative to the bearing component 4, and can be matched with the bearing component 4 after being abutted against an object to be measured when the positioning component 3 is close to the bearing component 4, so that the object to be measured placed on the bearing component 4 is clamped between the positioning component 3 and the bearing component 4, and the object to be measured is fixed. Meanwhile, the positioning component 3 can drive the movable piece 12 (as described below) on the thickness measuring component 1 to move, and the thickness of the object to be measured is measured by moving the movable piece 12. The thickness measuring assembly 1 is arranged on one side of the positioning assembly 3 and the bearing assembly 4, so that the thickness of an object to be measured can be conveniently measured. According to the utility model, the thickness and the width of the object to be measured are measured through the thickness measuring assembly 1 and the width measuring assembly 2, the positioning assembly 3 moves to the bearing assembly 4 and is matched with the bearing assembly 4, the object to be measured is fixed, the deformation of the object to be measured is prevented, and the measurement accuracy is ensured.

As an alternative embodiment, the width measuring assembly 2 comprises a first measuring structure 21 and a second measuring structure 22; the first measuring structure 21 and the second measuring structure 22 are respectively arranged at two sides of the bearing component 4; the first measuring structure 21 and the second measuring structure 22 comprise a mounting seat 23, a light source emitter 24 and a light source receiver 25; the light source emitter 24 and the light source receiver 25 are adjacently arranged and are fixed on the bearing assembly 4 through the mounting seat 23. Specifically, the first measuring structure 21 and the second measuring structure 22 are respectively disposed at two sides of the carrying component 4, so as to detect the distance between two sides of the object to be detected and the measuring structure. The first measurement structure 21 comprises a first mount, a first light source emitter and a first light source receiver; the second measurement structure 22 includes a second mount, a second light source emitter, and a second light source receiver. The light emitted by the first light source emitter irradiates on one side edge of the object to be detected and is reflected by the one side edge of the object to be detected, and the emitted light can be received by the first light source receiver, so that the distance from the first light source emitter to the one side edge of the object to be detected is measured to be D1 by the first measuring structure. The second measuring structure 22 can measure the distance D2 from the second light source emitter to the edge of the other side of the object to be measured by the same principle. And when the equipment is assembled, the distance L between the first light source emitter and the second light source emitter is set, namely L-D1-D2, so that the width between two sides of the object to be measured is obtained. The light source emitter 24 is preferably a high precision laser emitter that is less subject to interference from external factors.

As an alternative embodiment, the thickness measuring assembly 1 comprises a plate structure 11 and a movable member 12; the plate structure 11 is provided with a scale 111 and a chute 112; the scale 111 and the chute 112 are arranged in parallel, and the ends are aligned; the beginning end of the scale 111 is flush with the side of the carrying assembly 4 near the object to be measured. Specifically, the scale 111 provided on the plate structure 11 is flush with the end of the chute 112 to ensure that a pointer 121 (described below) movable on the chute 112 can begin reading from the initial value of the scale 111. The scale 111 and the chute 112 are arranged in parallel, so as to ensure that the pointer 121 moves horizontally on the surface of the scale 111 when moving on the chute 112. The starting end of the scale 111 is flush with one side of the bearing assembly 4, which is close to the object to be measured, so that one surface of the object to be measured on the bearing assembly 4 is aligned with the zero scale of the scale 111, reading can be started from the zero scale of the scale 111, and the thickness of the object to be measured can be accurately read.

As an alternative embodiment, one end of the movable member 12 is slidably connected in the chute 112, and the other end is fixed on the positioning assembly 3; the movable member 12 is provided with a pointer 121 on a side facing the bearing assembly 4; the pointer 121 is located on the front side of the scale 111; the movable member 12 is also provided with a sensor 122; one end of the chute 112 is provided with a sensing piece 113 which is matched with the sensor 122. Specifically, one end of the movable member 12 is slidably connected in the chute 112, and the other end is fixed on the positioning component 3, and when the positioning component 3 is started, the movable member 12 can slide in the chute 112 under the driving of the positioning component 3. The movable part 12 is provided with a pointer 121 on one side facing the bearing component 4, namely, one side facing the object to be measured, corresponding to the positioning component 3, is provided with the pointer 121, when the positioning component 3 is abutted against the object to be measured, the pointer 121 can be aligned with the other side of the object to be measured, and the numerical value pointed by the pointer 121 is the thickness of the object to be measured. The movable part 12 is provided with a sensor 122 on one side facing the bearing assembly 4, one end of the chute 112 (i.e. the end aligned with the zero scale of the scale 111) is provided with a sensing piece 113 matched with the sensor 122, and the sensor 122 can measure the distance between the sensor 122 and the sensing piece 113 for verifying whether the manual reading is accurate or not and ensuring accurate measurement of the thickness of the object to be measured.

As an alternative embodiment, the thickness measurement assembly 1 further comprises a detector 13; a detector 13 is fixed to the positioning assembly 3 for detecting the distance to the object to be measured. Specifically, the detector 13 is preferably a laser detector 13, and is fixed on the positioning component 3, that is, the transmitting end is a surface of the positioning component 3 close to the object to be measured. When the positioning component 3 moves towards the object to be measured and cooperates with the carrying component 4, the object to be measured is clamped and fixed between the positioning component 3 and the carrying component 4, after the value pointed by the pointer 121 is read manually and the value of the distance between the sensor 122 and the sensing piece 113 is detected, the control structure 6 (as described below) controls the positioning component 3 to move away from the direction of the object to be measured 4 by a threshold distance S1, the detector 13 is controlled to start, the detector 13 emits laser onto the surface of the object to be measured, the object to be measured is reflected back to the detector 13, the detector 13 detects a distance S2 between the detector 13 and the object to be measured, and the thickness of the object to be measured can be obtained by subtracting the distance S2 from the threshold distance S1. Because the object to be measured is clamped and fixed by the positioning component 3 and the bearing component 4 before, after the positioning component 3 leaves, the object to be measured naturally stretches and spreads on the bearing component 4 without being extruded and deformed, and at this time, the thickness of the object to be measured by the detector 13 is an accurate thickness value. Whether or not the error between the respective thickness values exceeds the error range can be determined by comparing the thickness value measured by the detector 13 with the thickness value measured by the sensor 122 and the scale 111.

As an alternative embodiment, the positioning assembly 3 includes a sliding structure 31, a rubber plate 32, and a driving structure 33; the sliding structure 31 is fixedly connected with the driving structure 33; the driving structure 33 can drive the sliding structure 31 to reciprocate, so as to drive the rubber plate 32 fixed on the sliding structure 31 to approach or separate from the object to be detected. Specifically, the driving structure 33 is fixedly connected with the sliding structure 31, the rubber plate 32 is fixed on the sliding structure 31, and when the driving structure 33 is started, the sliding structure 31 can be driven to reciprocate, so that the rubber plate 32 fixed on the sliding structure 31 is driven to be close to the object to be measured, the object to be measured is fixed, or after the thickness measurement is finished, the rubber plate 32 is far away from the object to be measured, and the object to be measured is conveniently taken out. The positioning component 3 is abutted with the object to be measured through the rubber plate 32, so that extrusion of the object to be measured can be reduced, and the measuring accuracy is prevented from being influenced after the object to be measured is deformed.

As an alternative embodiment, the sliding structure 31 includes a sliding seat 311, a slider 312, and a sliding rail 313; the sliding seat 311 is movably connected with the sliding rail 313 through a sliding block 312; the two sliding rails 313 are respectively arranged at two ends of the bearing assembly 4. Specifically, two sliding rails 313 are respectively disposed at two sides of the bearing assembly 4, two ends of the sliding seat 311 are respectively mounted on the two sliding rails 313, and the sliding seat 311 is movably connected with the sliding rails 313 through a sliding block 312. The driving structure 33 is fixedly connected with the sliding seat 311, and the driving structure 33 can drive the sliding seat 311 to slide on the sliding rail 313. Two sliding rails 313 are provided for ensuring the smoothness of sliding of the sliding seat 311.

As an alternative embodiment, a clamping assembly 5 is also included; the clamping assembly 5 comprises a clamping plate 51, a rotation shaft 52 and a driving member 53; the upper end of the bearing component 4 is provided with a screw 54 which is rotationally connected; the screw 54 is in threaded connection with the clamping plate 51; the screw 54 is in meshed rotary connection with the rotary shaft 52 through gears; the driving member 53 is movably connected with the rotation shaft 52, and can drive the rotation shaft 52 to rotate. Specifically, the clamping plate 51 is fixed on one side close to the positioning assembly 3 through the rotatable screw 54 on the bearing assembly 4, so that an object to be detected placed on the bearing assembly 4 is clamped and fixed conveniently, and the clamping plate 51 is preferably made of elastic materials, so that the pressure on the object to be detected can be relieved. The other side of the bearing assembly 4 is fixedly provided with a driving piece 53, a rotating shaft 52 is also movably arranged, the driving piece 53 is in meshed and rotating connection with the rotating shaft 52 through a gear, the driving piece 53 can drive the rotating shaft 52 to rotate, the rotating shaft 52 drives a screw 54 in meshed and rotating connection with the rotating shaft 52 through the gear, the screw 54 is in threaded connection with the clamping plate 51, and the screw 54 can drive the clamping plate 51 to move, so that an object to be detected is fixed. The gear engagement can drive the clamping plate 51 to move in a tiny displacement manner, so that the clamping precision of the object to be detected is ensured, and the object to be detected is not excessively clamped.

As an alternative embodiment, a control structure 6 is also included; the control structure 6 is electrically connected with the thickness measuring component 1, the width measuring component 2, the positioning component 3 and the clamping component 5; the control structure 6 can control the positioning component 3 and the clamping component 5; the control structure 6 is provided with a display screen 61 which can receive and display the data measured by the thickness measuring component 1 and the width measuring component 2. Specifically, control structure 6 is connected with locating component 3, clamping component 5 electricity, and through the start of control locating component 3 and clamping component 5, it is fixed to press from both sides the thing that awaits measuring, makes things convenient for thickness measurement subassembly 1 to measure the thickness of the thing that awaits measuring. The control structure 6 is electrically connected with the thickness measuring assembly 1 and the width measuring assembly 2, and data measured by the sensor 122 and the detector 13 on the thickness measuring assembly 1 can be transmitted to the control structure 6, and the data are displayed on the display screen 61 on the control structure 6, so that the data are convenient for workers to check; likewise, the data measured by the width measuring unit 2 can be displayed on a display on the control structure 6 after being transmitted to the control structure 6.

As an alternative embodiment, the bearing assembly 4 includes a bearing plate 41, a fixing plate 42, and a rubber pad 43; the rubber pad 43 is fixed on the bearing plate 41 through the fixing plate 42; a rubber pad 43 is provided adjacent to the positioning assembly 3. Specifically, the carrying plate 41 is used for carrying an object to be tested, and can also fix the clamping assembly 5. The rubber pad 43 is arranged adjacent to the positioning assembly 3, and can be abutted against the rubber pad 43 when an object to be measured is placed on the bearing assembly 4. Rubber pad 43 is mutually supported through the rubber slab 32 on the locating component 3, when the thing that awaits measuring is fixed, because the flexible material characteristic of rubber slab 32 and rubber pad 43 can reduce the extrusion to the thing that awaits measuring, prevents that the thing that awaits measuring warp, guarantees width and thickness measurement accuracy.

The embodiment is a specific example only and does not suggest one such implementation of the utility model.

The foregoing is only illustrative of the preferred embodiments of the utility model, and it will be appreciated by those skilled in the art that various changes in the features and embodiments may be made and equivalents may be substituted without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The size measuring device for the foam used for the new energy automobile is characterized by comprising a thickness measuring assembly (1), a width measuring assembly (2), a positioning assembly (3) and a bearing assembly (4); the positioning assembly (3) is arranged opposite to the bearing assembly (4) and can reciprocate relative to the bearing assembly (4); the positioning component (3) is matched with the bearing component (4) and used for fixing an object to be detected on the bearing component (4); the width measuring assembly (2) is fixed on the bearing assembly (4); the thickness measuring assembly (1) is arranged on one side of the positioning assembly (3) and one side of the bearing assembly (4).

2. A device for measuring the dimensions of foam for new energy vehicles according to claim 1, characterized in that said width measuring assembly (2) comprises a first measuring structure (21) and a second measuring structure (22); the first measuring structure (21) and the second measuring structure (22) are respectively arranged at two sides of the bearing assembly (4); the first measuring structure (21) and the second measuring structure (22) comprise a mounting seat (23), a light source emitter (24) and a light source receiver (25); the light source emitter (24) and the light source receiver (25) are adjacently arranged and are fixed on the bearing assembly (4) through the mounting seat (23).

3. The device for measuring the size of foam for new energy automobiles according to claim 1, wherein the thickness measuring assembly (1) comprises a plate structure (11) and a movable member (12); the plate structure (11) is provided with a scale (111) and a chute (112); the scale (111) and the chute (112) are arranged in parallel, and the ends are aligned; the starting end of the scale (111) is flush with one side, close to the object to be detected, of the bearing assembly (4).

4. A device for measuring the size of foam for a new energy vehicle according to claim 3, wherein one end of the movable member (12) is slidably connected to the sliding groove (112), and the other end is fixed to the positioning assembly (3); a pointer (121) is arranged on one side of the movable piece (12) facing the bearing assembly (4); -the pointer (121) is located on the front side of the scale (111); the movable piece (12) is also provided with a sensor (122); an induction piece (113) matched with the sensor (122) is arranged on one end of the sliding groove (112).

5. A device for measuring the dimensions of foam for new energy vehicles according to claim 3, characterized in that said thickness measuring assembly (1) further comprises a detector (13); the detector (13) is fixed on the positioning component (3) and is used for detecting the distance between the detector and the object to be detected.

6. The device for measuring the size of foam for a new energy automobile according to claim 1, wherein the positioning assembly (3) comprises a sliding structure (31), a rubber plate (32) and a driving structure (33); the sliding structure (31) is fixedly connected with the driving structure (33); the driving structure (33) can drive the sliding structure (31) to reciprocate, so that the rubber plate (32) fixed on the sliding structure (31) is driven to be close to or far away from the object to be detected.

7. The device for measuring the size of foam for a new energy automobile according to claim 6, wherein the sliding structure (31) comprises a sliding seat (311), a sliding block (312) and a sliding rail (313); the sliding seat (311) is movably connected with the sliding rail (313) through the sliding block (312); the number of the sliding rails (313) is two, and the sliding rails are respectively arranged at two ends of the bearing assembly (4).

8. The device for measuring the size of foam for a new energy automobile according to claim 1, further comprising a clamping assembly (5); the clamping assembly (5) comprises a clamping plate (51), a rotating shaft (52) and a driving piece (53); the upper end of the bearing assembly (4) is provided with a screw rod (54) which is rotationally connected; the screw rod (54) is in threaded connection with the clamping plate (51); the screw (54) is in meshed rotary connection with the rotary shaft (52) through a gear; the driving piece (53) is movably connected with the rotating shaft (52) and can drive the rotating shaft (52) to rotate.

9. The device for measuring the size of foam for a new energy automobile according to claim 8, further comprising a control structure (6); the control structure (6) is electrically connected with the thickness measuring assembly (1), the width measuring assembly (2), the positioning assembly (3) and the clamping assembly (5); the control structure (6) can control the positioning component (3) and the clamping component (5); the control structure (6) is provided with a display screen (61) which can receive and display the data measured by the thickness measuring component (1) and the width measuring component (2).

10. The device for measuring the size of foam for a new energy automobile according to claim 1, wherein the bearing assembly (4) comprises a bearing plate (41), a fixing plate (42) and a rubber pad (43); the rubber pad (43) is fixed on the bearing plate (41) through the fixing plate (42); the rubber pad (43) is arranged adjacent to the positioning assembly (3).