CN217276822U

CN217276822U - Scratch-resistant test device for automobile plastic part

Info

Publication number: CN217276822U
Application number: CN202123423677.0U
Authority: CN
Inventors: 沈恒丰; 田宏亮; 张国峻
Original assignee: Tianjin Huatao Automobile Plastic Decoration Parts Co ltd
Current assignee: Tianjin Huatao Automobile Plastic Decoration Parts Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-23
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a car working of plastics scratch test device, the on-line screen storage device comprises a base, the sliding tray has been seted up at the middle part of base bottom, the inner chamber swing joint of sliding tray has the removal seat, the top fixedly connected with test platform of removal seat, the middle part fixedly connected with mount of base outer wall, the top fixedly connected with brake motor of mount, brake motor's output shaft fixedly connected with rotation axis, utilize being connected of rotation axis and driven cam, make driven cam rotate, thereby it moves down to influence the pressure spring of its bottom to push down the drive movable sleeve, can realize increaseing the contact dynamics of scraping piece and injection molding, the bottom of activity loop bar can laminate mutually with the test platform top, play the effect of fixed injection molding, provide the fixed action for the scraping test of car injection molding.

Description

Scratch-resistant test device for automobile plastic part

Technical Field

The utility model relates to an automobile plastic spare test technical field specifically is a scratch-resistant test device of automobile plastic spare.

Background

The scratch test is one of the main methods for selecting materials and evaluating and identifying the performance of a test product in the production process, and although the test methods are various, the test methods are always mechanized in the development trend, and the evaluation methods are also developed from subjective evaluation to objective evaluation.

However, the equipment adopted by the existing automobile scraping test is generally biased, only single scraping can be carried out in the scraping test, multiple scraping tests need complicated procedures of different scraping devices, and the results of automobile injection molded parts cannot be acquired under different scraping forces.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scratch-resistant test device of car working of plastics to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a scratch test device is scraped to car working of plastics, includes the base, the sliding tray has been seted up at the middle part of base bottom, the inner chamber swing joint of sliding tray has the removal seat, the top fixedly connected with test platform of removal seat, the middle part fixedly connected with mount of base outer wall, the top fixedly connected with brake motor of mount, the top of mount is connected with the scraping piece, brake motor's output shaft fixedly connected with rotation axis.

Preferably, the two sides of the top of the test platform are provided with limiting grooves, the inner cavities of the limiting grooves are connected with limiting seats, each limiting seat comprises a limiting base, the limiting bases are fixedly connected in the inner cavities of the limiting grooves, the middle of each limiting base is connected with a spindle, the outer wall of the spindle is sleeved with a movable loop bar, and the bottom of the spindle is connected with a traction rod.

Preferably, the outer wall of the scraping piece is sleeved with a movable sleeve, a thread groove is formed in the middle of the bottom of the movable sleeve, groove bodies are formed in two sides of the outer wall of the movable sleeve, the outer wall of the movable sleeve is movably connected with a brake box, and the brake box penetrates through an inner cavity in the middle of the fixing frame.

Preferably, the inner chamber of brake box is provided with the driven cam, the bottom meshing of driven cam has the pressure spring, the bottom of pressing the spring and the top fixed connection of activity loop bar, the brake groove has been seted up to the bottom of brake box inner wall, the inner chamber swing joint of brake groove has the braking slide.

Preferably, the end of the rotating shaft penetrates through the outer wall of the brake box and extends to the inner wall of the driven cam, and the outer wall of the rotating shaft is movably connected with the inner wall of the driven cam.

Preferably, the movable seat is provided with two, two walls of the movable seat are movably connected through a telescopic rod, and the bottom of the test platform is fixedly connected with the top of the movable seat through a connecting column.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this scratch test device is scraped to car working of plastics, test platform mainly is used for placing the car injection molding, however in the scraping test, because frictional force probably causes the car injection molding to take place skew influence test result, so both sides at the test platform top set up spacing seat, simultaneously in order to guarantee that car injection molding is bulky and the setting of spacing seat can influence the car injection molding to place, so set up the spacing groove in the outside of spacing seat, the drawing of the traction lever through setting up in the bottom of spacing base makes the main shaft constantly shrink downwards, it is experimental to be convenient for large-scale car injection molding to scrape, the bottom of activity loop bar can laminate with the test platform top simultaneously, can also play the effect of fixed injection molding, provide fixed action for the scraping test of car injection molding.

2. According to the scratch-resistant testing device for the automobile plastic parts, the scratch parts and the movable sleeve are movably connected through the thread grooves, so that the scratch parts of different models can be replaced, meanwhile, power is provided for the scratch parts through the brake box, the automobile injection molding part can be tested under the influence of scratch force under different force, the result of the automobile injection molding part in scratch simulation is adapted to the scratch situation of different force, and the injection molding part is improved conveniently; the brake box carries out power to the scraping piece and supports, and the output shaft that mainly stems from brake motor brakes the rotation axis, utilizes being connected of rotation axis and driven cam for driven cam rotates, thereby influences the pressure spring of its bottom and pushes down and drive movable sleeve and move down, can realize increaseing the contact dynamics of scraping piece and injection molding, satisfies the maximize of scraping piece scraping effect.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the connecting structure of the scraping member of the present invention;

FIG. 3 is a schematic view of the structure of the inner cavity of the brake box of the present invention;

fig. 4 is a schematic view of the structure of the limiting seat of the present invention.

In the figure: 1. a base; 2. a sliding groove; 3. a movable seat; 4. a test platform; 41. a limiting groove; 5. a fixed mount; 6. braking the motor; 7. a scraping member; 71. a movable sleeve; 72. a thread groove; 73. a trough body; 74. A brake box; 741. a driven cam; 742. a pressing spring; 743. a brake groove; 744. braking the slide carriage; 8. a rotating shaft; 9. a limiting seat; 91. a limiting base; 92. a main shaft; 93. a movable loop bar; 94. a drawbar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1-4, the scratch-resistant testing device for the automobile plastic parts comprises a base 1, wherein a sliding groove 2 is formed in the middle of the bottom of the base 1, a moving seat 3 is movably connected to an inner cavity of the sliding groove 2, a testing platform 4 is fixedly connected to the top of the moving seat 3, a fixing frame 5 is fixedly connected to the middle of the outer wall of the base 1, a brake motor 6 is fixedly connected to the top of the fixing frame 5, a scratch part 7 is connected to the top of the fixing frame 5, and a rotating shaft 8 is fixedly connected to an output shaft of the brake motor 6.

The test platform comprises a test platform 4, a main shaft 92, a limit base 91, a movable sleeve rod 93 and a traction rod 94, wherein the limit grooves 41 are formed in two sides of the top of the test platform 4, the inner cavity of each limit groove 41 is connected with a limit seat 9, each limit seat 9 comprises a limit base 91, the limit bases 91 are fixedly connected into the inner cavities of the limit grooves 41, the middle of each limit base 91 is connected with the main shaft 92, the outer wall of each main shaft 92 is sleeved with the movable sleeve rod 93 capable of rotating around the corresponding main shaft 92, the bottom of each main shaft 92 is connected with the traction rod 94, and the traction rods 94 can be linear parts such as cylinder bodies or telescopic rods.

In this embodiment, test platform 4 is mainly used for placing the car injection molding, however in the scraping test, because frictional force may cause the car injection molding to take place skew influence experimental result, so set up spacing seat 9 in the both sides at test platform 4 top, simultaneously in order to guarantee that car injection molding is bulky and spacing seat 9's setting can influence the car injection molding to place, so set up spacing groove 41 in spacing seat 9's the outside, through the drawing of the traction lever 94 that sets up in spacing base 91's bottom, can make main shaft 92 constantly shrink downwards, be convenient for car injection molding scraping test, the bottom of activity loop bar 93 can laminate mutually with the injection molding on test platform 4 top simultaneously, can play the effect of fixed injection molding, provide fixed action for the scraping test of car injection molding.

Wherein, the outer wall of scraping piece 7 has cup jointed movable sleeve 71, thread groove 72 has been seted up at the middle part of movable sleeve 71 bottom, cell body 73 has all been seted up to the both sides of movable sleeve 71 outer wall, movable sleeve 71's outer wall swing joint has brake box 74, brake box 74 runs through the inner chamber in middle part of mount 5.

In this embodiment, the apparent helicitic texture of scraping piece 7 is connected through thread groove 72 with movable sleeve 71 and can guarantees that the scraping piece 7 of different models changes, provides power for scraping piece 7 through brake box 74, can test under different dynamics, and the automobile injection molding receives the influence of scraping force, has realized that the result of automobile injection molding in the scraping simulation adapts to the scraping condition of different dynamics and is convenient for improve the injection molding.

The inner cavity of the brake box 74 is provided with a driven cam 741, the rim of the driven cam 741 is attached to a flat plate, the bottom surface of the flat plate is connected with the upper end of a pressing spring 742, the bottom end of the pressing spring 742 is fixedly connected with the top of the movable sleeve rod 93 through a bottom plate connected with the bottom end of the pressing spring 742, the bottom of the inner wall of the brake box 74 is provided with a brake groove 743, the inner cavity of the brake groove 743 is movably connected with a brake slide 744, and the inner end of the brake slide 744 is in contact with the sliding groove 73.

In this embodiment, the braking box 74 is used for dynamically supporting the scraping member 7, and mainly comes from the braking of the output shaft of the braking motor 6 on the rotating shaft 8, and the rotating shaft 8 is connected with the driven cam 741, so that the driven cam 741 rotates, and the pressing spring 742 affecting the bottom of the driven cam is pressed down to drive the movable sleeve 71 to move down, and therefore, the contact strength between the scraping member 7 and the injection molding member is increased, and the scraping effect of the scraping member 7 is maximized.

The end of the rotating shaft 8 penetrates through the outer wall of the brake case 74 and extends to the inner wall of the driven cam 741, and the outer wall of the rotating shaft 8 is movably connected to the inner wall of the driven cam 741.

Wherein, remove seat 3 and be provided with two, and two walls that remove seat 3 pass through telescopic link swing joint, spliced pole fixed connection is passed through with the top that removes seat 3 in the bottom of test platform 4.

In the embodiment, the injection molding part can move within a certain range by utilizing the left-right movement of the movable seat 3, and the scraping of the scraping part 7 on different parts of the injection molding part can be met.

The working principle is as follows:

the test platform 4 is mainly used for placing the automobile injection molding part, moves in the sliding groove under the action of external force during testing, is matched with the scraping part 7 to realize the scraping test operation of the workpiece, in the scraping test, because the friction acting force can cause the deviation of the automobile injection molding part to influence the test result, the two sides of the top of the test platform 4 are provided with the limiting seats 9, in order to ensure that the volume of the automobile injection molding part is too large and the arrangement of the limiting seat 9 can influence the placement of the automobile injection molding part, therefore, the outer side of the limiting seat 9 is provided with the limiting groove 41, the main shaft 92 is continuously contracted downwards by stretching the traction rod 94 arranged at the bottom of the limiting base 91, the scraping test of the automobile injection molding part is facilitated, meanwhile, the bottom of the movable sleeve rod 93 can be attached to the top of the test platform 4, the injection molding part can be fixed, and a fixing effect is provided for the scraping test of the automobile injection molding part.

In addition, the scraping piece 7 and the movable sleeve 71 are in threaded connection through the thread groove 72, so that the scraping pieces 7 of different models can be replaced, the brake box 74 provides power for the scraping piece 7, the influence of the scraping force on the automobile injection molding piece under different force can be tested, and the result of the automobile injection molding piece in the scraping simulation is adapted to the scraping condition of different force, so that the injection molding piece is improved; the braking box 74 is used for carrying out power support on the scraping piece 7, an output shaft mainly originating from the braking motor 6 is used for braking the rotating shaft 8, and the rotating shaft 8 is connected with the driven cam 741, so that the driven cam 741 rotates, the pressing spring 742 influencing the bottom of the driven cam is pressed downwards to drive the movable sleeve 71 to move downwards, the contact force between the scraping piece 7 and an injection molding piece is increased, and the scraping effect of the scraping piece 7 is maximized.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a scratch-resistant test device of automotive plastic spare, includes base (1), its characterized in that: sliding tray (2) have been seted up at the middle part of base (1) bottom, the inner chamber swing joint of sliding tray (2) has the removal seat (3), the top fixedly connected with test platform (4) of removal seat (3), middle part fixedly connected with mount (5) of base (1) outer wall, the top fixedly connected with brake motor (6) of mount (5), the top of mount (5) is connected with scraping piece (7), the output shaft fixedly connected with rotation axis (8) of brake motor (6).

2. The automotive plastic part scratch resistance test device of claim 1, wherein: spacing groove (41) have been seted up to the both sides at test platform (4) top, the inner chamber of spacing groove (41) is connected with spacing seat (9), spacing seat (9) are including spacing base (91), spacing base (91) fixed connection is in the inner chamber of spacing groove (41), the middle part of spacing base (91) is connected with main shaft (92), movable loop bar (93) have been cup jointed to the outer wall of main shaft (92), the bottom of main shaft (92) is connected with traction lever (94).

3. The automotive plastic part scratch resistance test device of claim 1, wherein: the outer wall of scraping piece (7) has cup jointed movable sleeve (71), thread groove (72) have been seted up at the middle part of movable sleeve (71) bottom, cell body (73) have all been seted up to the both sides of movable sleeve (71) outer wall, the outer wall swing joint of movable sleeve (71) has brake box (74), brake box (74) run through the inner chamber at mount (5) middle part.

4. The automotive plastic part scratch resistance test device of claim 3, wherein: the inner cavity of the braking box (74) is provided with a driven cam (741), the bottom of the driven cam (741) is meshed with a pressing spring (742), the bottom of the pressing spring (742) is fixedly connected with the top of the movable sleeve rod (93), the bottom of the inner wall of the braking box (74) is provided with a braking groove (743), and the inner cavity of the braking groove (743) is movably connected with a braking sliding seat (744).

5. The automotive plastic part scratch resistance test device of claim 4, wherein: the end part of the rotating shaft (8) penetrates through the outer wall of the brake box (74) and extends to the inner wall of the driven cam (741), and the outer wall of the rotating shaft (8) is movably connected with the inner wall of the driven cam (741).

6. The automotive plastic part scratch resistance test device of claim 1, wherein: remove seat (3) and be provided with two, and two walls that remove seat (3) pass through telescopic link swing joint, the bottom of test platform (4) and the top of removing seat (3) pass through spliced pole fixed connection.