CN219737096U

CN219737096U - Tension test device

Info

Publication number: CN219737096U
Application number: CN202321283207.5U
Authority: CN
Inventors: 朱天伟; 罗永伟; 王丽威
Original assignee: Wuhu Hangchuangxiang Road Automobile Parts Co ltd
Current assignee: Wuhu Hangchuangxiang Road Automobile Parts Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-09-22
Anticipated expiration: 2033-05-23

Abstract

The utility model relates to the technical field of tensile test devices, in particular to a tensile test device, which comprises a base, wherein a first placing seat is arranged on one side of the top of the base, a second placing seat is arranged on the other side of the top of the base, a protective cover is arranged on the top of the base, a limiting mechanism is arranged on the base, the limiting mechanism comprises a clamping assembly and a sliding assembly, the clamping assembly comprises a first driving motor, an installation groove is formed in the base, the first driving motor is arranged on the side wall of the installation groove, a first threaded rod is arranged at the driving end of the first driving motor, threads on the left side and the right side of the center of the first threaded rod are opposite, and movable sleeves are sleeved at the two ends of the outer side of the first threaded rod; the utility model avoids the deviation of the measured force in the follow-up pressing and pulling process due to the fact that the adhesive tape is inclined in position deviation and is pulled after inclination to be the resultant force of forces with different magnitudes in the horizontal direction and the vertical direction when the adhesive tape is placed by manual operation.

Description

Tension test device

Technical Field

The utility model relates to the technical field of tensile test devices, in particular to a tensile test device.

Background

The automobile door sealing rubber strip is widely used for the parts of automobile doors, automobile windows, automobile bodies, seats, skylights, engine cases, trunk and the like, has the important functions of water resistance, sealing, sound insulation, dust prevention, freezing prevention, shock absorption, heat preservation and energy conservation, and is mainly formed by foaming and compacting Ethylene Propylene Diene Monomer (EPDM) rubber with good elasticity, compression deformation resistance, aging resistance, ozone and chemical action and a wider use temperature range (-40 ℃ to +120 ℃), is firm and durable, is beneficial to installation, contains a unique metal clamp and a tongue-shaped buckle, but the traditional tension test device cannot realize the precise test of the automobile door sealing rubber strip, cannot accurately measure the tension of the rubber strip, leads to inaccurate measurement results, and cannot test whether the rubber strip is qualified or not so as to avoid danger, cannot realize good fixing of the automobile door sealing rubber strip, cannot guarantee clamping when bearing large tension, so as not to influence the measurement results, has a complex structure and is difficult to operate.

In order to solve the technical problem, chinese patent publication No. CN215894205U discloses an automobile door joint strip tensile test device among the prior art, including an automobile door joint strip tensile test device, including the roof, the first square chest of bottom left side fixedly connected with of roof, the right side fixedly connected with spring of first square chest, the below of spring is equipped with first flat board, the bottom fixedly connected with base of first square chest, the bottom fixedly connected with support of base, the bottom right side of roof is equipped with pulling device.

The technical scheme of the prior art can carry out tensile force test, is convenient to operate, is convenient for a user to observe, does not have a limiting structure, is easy to deviate in position of the adhesive tape to be oblique when being put by manual operation, is a resultant force of forces with different magnitudes in the horizontal direction and the vertical direction due to oblique back pulling when being clamped and pulled, and can lead to follow-up deviation of the force measured when being pressed and pulled, inaccuracy is caused, and the test precision is reduced.

Disclosure of Invention

The utility model aims to provide a tensile test device for solving the problems in the background art.

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

the utility model provides a tensile test device, includes the base, the first seat of placing is installed to base top one side, the second seat of placing is installed to base top opposite side, the protection casing is installed at the base top, install stop gear on the base, stop gear includes clamping assembly and sliding component, the clamping assembly includes first driving motor, the mounting groove has been seted up to the base inside, first driving motor installs in the mounting groove lateral wall, first threaded rod is installed to first driving motor's drive end, first threaded rod center department left side is opposite with the screw thread on right side, first threaded rod outside both ends all overlap and are equipped with the movable sleeve, the movable groove has all been seted up at base top both ends, movable sleeve top install the movable block with movable groove sliding connection, the one end that the movable block extends to the movable groove outside is provided with the main plate, the pulling subassembly is installed to the protection casing inboard, install on the pulling subassembly and compress tightly the subassembly.

As the preferable scheme of the utility model, the sliding component comprises a sliding rod, one side of the main plate is provided with the sliding rod, one end of the sliding rod, which is far away from the main plate, is sleeved with the auxiliary plate, the top of the base is provided with a sliding groove, the bottom of the second placing seat is provided with a sliding block which is in sliding connection with the sliding groove, the second placing seat is in sliding connection with the base through the sliding block, two sides of the second placing seat are provided with butt joint grooves, and the bottom of the auxiliary plate is provided with butt joint blocks which are in clamping connection with the butt joint grooves.

As a preferable scheme of the utility model, the pulling assembly comprises a second driving motor, one end of the inner side of the protective cover is embedded with the second driving motor, the driving end of the second driving motor is provided with a second threaded rod, the outer side of the second threaded rod is sleeved with a moving sleeve, the top end of the inner side of the protective cover is provided with a moving groove, the top of the moving sleeve is provided with a moving block which is in sliding connection with the moving groove, one end of the second threaded rod far away from the second driving motor is rotationally connected with a fixed block, and the fixed block is fixedly connected with the inner side of the protective cover.

As a preferable scheme of the utility model, the pressing assembly comprises a third driving motor, the bottoms of the fixed block and the movable sleeve are respectively provided with a third driving motor, the bottom of the third driving motor is positioned outside the driving end and is provided with a fixed cylinder, the driving end of the third driving motor is provided with a third threaded rod, the outer side of the third threaded rod is sleeved with an extending cylinder, both ends of the inner side of the fixed cylinder are respectively provided with a limiting groove, both ends of the outer side of the extending cylinder are respectively provided with a limiting block in sliding connection with the limiting grooves, and the bottom end of the extending cylinder is provided with a pressing block.

As a preferable scheme of the utility model, clamping blocks are arranged on two sides of one side of the pressing block, and clamping grooves which are in clamping connection with the clamping blocks are formed in the top of the auxiliary clamping plate.

As a preferable scheme of the utility model, the top of the base is provided with scale strips on one side of the first placing seat and one side of the second placing seat, and one side of the second placing seat is provided with an indicating block.

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

1. according to the utility model, the adhesive tape is placed on the first placing seat and the second placing seat, and then the first driving motor is started to drive the first threaded rod to rotate, so that the movable sleeve drives the movable block to move in the movable groove, the main clamping plate is matched with the sliding rod to drive the auxiliary clamping plate to move to limit the adhesive tape, the placing path of the adhesive tape is ensured to be a straight line, the situation that the adhesive tape is deviated in position and inclined in manual operation and placed is avoided, the pulling after inclination is the resultant force of forces with different magnitudes in the horizontal direction and the vertical direction, the deviation of the force measured in the subsequent pressing and pulling is caused, and the testing precision is reduced.

2. According to the utility model, the third driving motor is started to drive the third threaded rod to rotate, so that the stretching cylinder sleeved on the outer side of the stretching cylinder is matched with the limiting groove and the limiting block to move downwards to compress the adhesive tape, and the clamping blocks arranged at the two ends of the pressing block on one side of the stretching cylinder and the clamping grooves arranged at the top of the auxiliary clamping plate are matched with the sliding blocks and the sliding grooves, so that the second placing seat is driven to move together when the pulling assembly moves, and the adhesive tape stretching effect is achieved.

3. According to the utility model, the second driving motor is started to drive the second threaded rod to rotate, so that the movable sleeve is matched with the movable block and the movable groove to move, and is matched with the compression assembly to carry out a tensile test, and after the test is finished, a test result can be obtained according to the position of the indication block corresponding to the scale bar.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of a base of the present utility model;

FIG. 3 is a schematic view of a compression assembly of the present utility model in partial cross-section.

In the figure: 1. a base; 2. a first placement base; 3. a first driving motor; 4. a first threaded rod; 5. a movable groove; 6. a movable block; 7. a main plate; 8. a protective cover; 9. a slide bar; 10. an auxiliary clamping plate; 11. a sliding block; 12. a second placement seat; 13. a butt joint groove; 14. a butt joint block; 15. a second driving motor; 16. a fixed block; 17. a third driving motor; 18. a fixed cylinder; 19. an extension cylinder; 20. briquetting; 21. a moving block; 22. a scale bar; 23. indicating a block.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Examples:

referring to fig. 1-3, the present utility model provides a technical solution:

a tensile test device comprises a base 1, a first placing seat 2 is arranged on one side of the top of the base 1, a second placing seat 12 is arranged on the other side of the top of the base 1, a protective cover 8 is arranged on the top of the base 1, a limiting mechanism is arranged on the base 1 and comprises a clamping component and a sliding component, the clamping component comprises a first driving motor 3, a mounting groove is formed in the base 1, the first driving motor 3 is arranged on the side wall of the mounting groove, a first threaded rod 4 is arranged at the driving end of the first driving motor 3, threads on the left side and the right side of the center of the first threaded rod 4 are opposite, movable sleeves are respectively sleeved at two ends of the outer side of the first threaded rod 4, movable grooves 5 are respectively formed at two ends of the top of the base 1, movable blocks 6 which are in sliding connection with the movable grooves 5 are respectively arranged at the tops of the movable sleeves, a main clamping plate 7 is arranged at one end of each movable block 6 extending to the outer side of each movable groove 5, and a pulling component is arranged at the inner side of the protective cover 8, the pulling component is provided with a pressing component, the sliding component comprises a sliding rod 9, one side of a main clamping plate 7 is provided with the sliding rod 9, one end of the sliding rod 9 far away from the main clamping plate 7 is sleeved with an auxiliary clamping plate 10, the top of a base 1 is provided with a sliding groove, the bottom of a second placing seat 12 is provided with a sliding block 11 which is in sliding connection with the sliding groove, the second placing seat 12 is in sliding connection with the base 1 through the sliding block 11, two sides of the second placing seat 12 are provided with a butt joint groove 13, the bottom of the auxiliary clamping plate 10 is provided with a butt joint block 14 which is in clamping connection with the butt joint groove 13, when the tensile test device is used, after the adhesive tape is placed on the first placing seat 2 and the second placing seat 12, the first driving motor 3 is started to drive the first threaded rod 4 to rotate, so that a movable sleeve drives the movable block 6 to move in the movable groove to enable the main clamping plate 7 to drive the auxiliary clamping plate 10 to move to limit the adhesive tape in cooperation with the sliding rod 9, ensure that its route of putting is sharp, and the adhesive tape position skew is the slash when avoiding manual operation to put, draws to one side is the resultant force of the different big or small forces of horizontal direction and vertical direction, leads to follow-up compressing tightly to draw the measuring power to appear the deviation when dragging, and the test accuracy descends.

In this embodiment, as shown in fig. 1, 2 and 3, the compressing assembly includes a third driving motor 17, the bottom of the fixed block 16 and the bottom of the moving sleeve are both provided with the third driving motor 17, the bottom of the third driving motor 17 is located at the outer side of the driving end and is provided with a fixed cylinder 18, the driving end of the third driving motor 17 is provided with a third threaded rod, the outer side of the third threaded rod is sleeved with an extending cylinder 19, both ends of the inner side of the fixed cylinder 18 are provided with limit grooves, both ends of the outer side of the extending cylinder 19 are provided with limiting blocks in sliding connection with the limit grooves, the bottom of the extending cylinder 19 is provided with a pressing block 20, both sides of one side of the pressing block 20 are provided with clamping blocks, the top of the auxiliary clamping plate 10 is provided with clamping grooves which are in clamping connection with the clamping blocks, the third threaded rod is driven to rotate by starting the third driving motor 17, so that the extending cylinder 19 sleeved at the outer side of the third driving motor matches the limit grooves with the limiting blocks to move downwards to compress the adhesive tapes, and the clamping blocks are matched with the sliding blocks 11 and the sliding grooves which are arranged at the top of the two ends of the auxiliary clamping plates 10, and the second placing seat 12 can be driven to move together when the compressing assembly is pulled to move, so that the stretching effect is achieved.

In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the pulling component includes a second driving motor 15, a second driving motor 15 is embedded in one end of the inner side of the protective cover 8, a second threaded rod is installed at the driving end of the second driving motor 15, a moving sleeve is sleeved on the outer side of the second threaded rod, a moving groove is provided on the top of the inner side of the protective cover 8, a moving block 21 slidably connected with the moving groove is installed at the top of the moving sleeve, one end of the second threaded rod, which is far away from the second driving motor 15, is rotationally connected with a fixed block 16, the fixed block 16 is fixedly connected with the inner side of the protective cover 8, the top of the base 1 is located on one side of the first placing seat 2 and one side of the second placing seat 12, a scale bar 22 is printed on one side of the second placing seat 12, an indicating block 23 is arranged on one side of the second placing seat 12, the second threaded rod is driven to rotate by starting the second driving motor 15, so that the moving sleeve cooperates with the moving block 21 and the moving groove to cooperate with the pressing component to perform a tensile test, and after the test is completed, a test result can be obtained according to the position of the scale bar 22 corresponding to the indicating block 23.

The implementation principle of the tensile test device provided by the embodiment of the utility model is as follows: this tensile test device can be through placing the adhesive tape after first seat 2 and the second seat 12 of placing on the use, start first driving motor 3 and drive first threaded rod 4 rotation, make movable sleeve drive movable block 6 move in the movable groove and let main plate 7 drive auxiliary splint 10 and remove and carry out spacing to the adhesive tape, ensure that its route of putting is sharp, adhesive tape position offset is the slope when avoiding manual operation to put, draw to one side is the resultant force of horizontal direction and the different big or small power of vertical direction, the measured power appears the deviation when resulting in follow-up compressing tightly drawing, the test precision drops, drive the third threaded rod through starting third driving motor 17 and rotate, make its outside cover establish stretch section of thick bamboo 19 cooperation spacing groove and stopper downwardly moving compress tightly the adhesive tape, and utilize clamping block and auxiliary splint 10 top of wherein one side briquetting 20 installs the clamping groove cooperation sliding block 11 and the sliding groove, can drive second seat 12 together and move when pulling the subassembly motion, reach the effect of stretching the adhesive tape, drive the second rotatory threaded rod through starting second driving motor 15, make the movable sleeve cooperation sliding block 21 and move with the shifting groove, and carry out the clamp assembly and compress tightly the measuring bar 23 and carry out the test result that the test result is tested according to the corresponding to the test result of measuring after the test result is accomplished.

The control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming by a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is used for protecting the mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

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

Claims

1. The utility model provides a tensile test device, includes base (1), its characterized in that: the utility model discloses a compression assembly, including base (1), base (1) top opposite side is installed, base (1) top is installed protection casing (8), install stop gear on base (1), stop gear includes clamping assembly and slip subassembly, clamping assembly includes first driving motor (3), the mounting groove has been seted up to base (1) inside, first driving motor (3) are installed in the mounting groove lateral wall, first threaded rod (4) are installed to the drive end of first driving motor (3), first threaded rod (4) center department left side is opposite with the screw thread on right side, all cover in first threaded rod (4) outside both ends is equipped with the movable sleeve, movable block (6) with movable groove (5) sliding connection are all seted up at base (1) top, one end that movable block (6) extends to the movable groove (5) outside is provided with main splint (7), protection casing (8) are installed and are drawn the subassembly, the compression assembly is installed on the pulling.

2. A tensile testing device according to claim 1, wherein: the sliding assembly comprises a sliding rod (9), the sliding rod (9) is installed on one side of the main plate (7), an auxiliary clamping plate (10) is sleeved at one end, far away from the main plate (7), of the sliding rod (9), a sliding groove is formed in the top of the base (1), a sliding block (11) which is in sliding connection with the sliding groove is installed at the bottom of the second placing seat (12), the second placing seat (12) is in sliding connection with the base (1) through the sliding block (11), butt joint grooves (13) are formed in two sides of the second placing seat (12), and butt joint blocks (14) which are in clamping connection with the butt joint grooves (13) are installed at the bottom of the auxiliary clamping plate (10).

3. A tensile testing device according to claim 2, wherein: the pulling assembly comprises a second driving motor (15), the second driving motor (15) is embedded into one end of the inner side of the protective cover (8), a second threaded rod is installed at the driving end of the second driving motor (15), a moving sleeve is sleeved outside the second threaded rod, a moving groove is formed in the top end of the inner side of the protective cover (8), a moving block (21) which is in sliding connection with the moving groove is installed at the top of the moving sleeve, a fixed block (16) is connected to one end, far away from the second driving motor (15), of the second threaded rod in a rotating mode, and the fixed block (16) is fixedly connected to the inner side of the protective cover (8).

4. A tensile testing device according to claim 3, wherein: the compression assembly comprises a third driving motor (17), the third driving motor (17) is installed at the bottom of the fixed block (16) and the bottom of the movable sleeve, a fixed cylinder (18) is arranged at the outer side of the driving end of the bottom of the third driving motor (17), a third threaded rod is installed at the driving end of the third driving motor (17), an extension cylinder (19) is sleeved at the outer side of the third threaded rod, limit grooves are formed in two ends of the inner side of the fixed cylinder (18), limiting blocks which are in sliding connection with the limit grooves are installed at two ends of the outer side of the extension cylinder (19), and a pressing block (20) is arranged at the bottom end of the extension cylinder (19).

5. The tensile testing device according to claim 4, wherein: clamping blocks are arranged on two sides of the pressing block (20) on one side, and clamping grooves connected with the clamping blocks in a clamping mode are formed in the top of the auxiliary clamping plate (10).

6. A tensile testing device according to claim 1, wherein: the top of the base (1) is provided with scale strips (22) on one side of the first placing seat (2) and one side of the second placing seat (12), and an indicating block (23) is arranged on one side of the second placing seat (12).