CN218036194U

CN218036194U - Impact testing machine with impact strength convenient to adjust

Info

Publication number: CN218036194U
Application number: CN202221950620.8U
Authority: CN
Inventors: 吴兆启; 张幼平
Original assignee: Shenzhen Liyue New Material Co ltd
Current assignee: Shenzhen Liyue New Material Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-12-13
Anticipated expiration: 2032-07-25

Abstract

The application discloses impact testing machine of impact strength convenient to adjust relates to impact test technical field, the on-line screen storage device comprises a base, base top fixedly connected with workstation, the equal fixedly connected with in both ends of workstation holds the board, one of them hold fixedly connected with support on the board. This application passes through the grip block, the screw hole, the gear, cooperation setting between leather collar and first motor isotructure, when the user examines the work piece, at first place the work piece between two grip blocks, then start first motor, drive one of them threaded rod through first motor and rotate, thereby it rotates to drive another threaded rod through gear and leather collar, the length direction that drives two grip block eye screw rods under the impetus of screw thread removes in opposite directions, with the stable centre gripping of work piece at the workstation top, it needs the user manual to fix the test article on the grip block to have avoided current impact tester as far as possible when using, degree of automation is lower, use comparatively inconvenient problem.

Description

Impact testing machine with impact strength convenient to adjust

Technical Field

The application relates to the technical field of impact tests, in particular to an impact test machine with impact force convenient to adjust.

Background

A cantilever beam impact testing machine is a testing device for testing the impact toughness of non-metallic materials such as plastics, nylon, hard rubber, glass fiber reinforced plastics and electrical insulating materials.

The existing impact testing machine needs a user to manually fix a test article on the clamping seat when in use, so that the automation degree is low, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to improve current impact tester and need the user manually to fix the test article on the grip slipper when using, degree of automation is lower, uses comparatively inconvenient problem, and this application provides an impact tester that impact strength is convenient for adjust.

The application provides an impact testing machine that impact strength is convenient for adjust adopts following technical scheme:

the utility model provides an impact testing machine that impact dynamics is convenient for adjust, includes the base, base top fixedly connected with workstation, the board is established greatly to the equal fixedly connected with in both ends of workstation, one of them fixedly connected with support on the board is established greatly, the support top is equipped with impact testing test device, two it is equipped with the grip block, two to establish greatly between the board the both ends of grip block all set up threaded hole, two threaded hole inner chamber's screw thread opposite direction, two it is equipped with two threaded rods to establish greatly between the board, the both ends of threaded rod with it rotates to establish the board greatly connects, the interlude of threaded rod passes through the screw hole runs through the grip block, the threaded rod with grip block spiro union, two equal fixedly connected with gear, two are served to one of threaded rod same direction the cover is equipped with the leather collar on the surface of gear, two pass through between the gear the leather collar transmission is connected, one of them establish fixedly connected with first motor on the flourishing board lateral wall, the output of first motor runs through it is rather than one to establish greatly the board the tip fixed connection of threaded rod.

Through adopting above technical scheme, during the use, inside the space of user at first placing the work piece between two grip blocks, then start first motor, the threaded rod that drives and first motor output fixed connection through first motor rotates, and drive another threaded rod synchronous syntropy through gear and leather collar and rotate, two grip blocks pass through screw hole and threaded rod looks spiro union, and the screw hole inner chamber screw thread opposite direction who sets up on two grip blocks, when two threaded rod syntropy rotate, can drive two grip blocks along the length direction phase displacement of threaded rod under the screw thread effect, with the work piece centre gripping between two grip blocks, thereby realize treating the fixed of detection work piece, avoided current impact testing machine as far as possible to need the manual work piece of user to fix on the grip block when using, degree of automation is lower, the problem of using comparatively inconvenient.

Optionally, four corners of the bottom of the base are provided with supporting legs, and the supporting legs are fixedly connected with the base.

Through adopting above technical scheme, set up the supporting leg and be used for supporting the base to suitable height, avoid base and ground direct contact as far as possible, receive the problem that ground moisture corrodes easily.

Optionally, a bearing is arranged at the joint of the threaded rod and the containing plate, the threaded rod is fixedly connected with the inner ring of the bearing, and the outer ring of the bearing is embedded in the containing plate and fixedly connected with the containing plate.

Through adopting above technical scheme, set up the bearing and be used for reducing the threaded rod both ends and establish the frictional force between the board greatly, make things convenient for first motor to drive the threaded rod and establish between the board two greatly and rotate.

Optionally, the leather collar is of a circular ring-shaped structure, and tooth grooves matched with the gear teeth arranged on the gear are formed in the inner wall of the leather collar.

Through adopting above technical scheme, set up the tooth's socket on the leather collar inner wall for increase the frictional force between gear and the leather collar, avoid appearing the relative slip as far as possible between leather collar and the gear, the slew velocity that leads to two threaded rods is different, influences the problem that the grip block carries out the centre gripping.

Optionally, the first motor with the junction fixedly connected with mounting panel of board is established greatly, be equipped with the bolt on the mounting panel, the bolt runs through the mounting panel, the bolt with board spiro union is established greatly to the board.

Through adopting above technical scheme, set up the mounting panel and be used for increasing first motor and hold the contact surface of establishing between the board, adopt the connected mode of bolt spiro union to fix, not only connect firmly, convenience of customers installs and dismantles moreover.

Optionally, the impact test device includes movable seat, second motor, transmission shaft, cantilever and pendulum, the movable seat rotate connect in one of them one side at support top, second motor fixed connection with the opposite side of support, the output of second motor run through the support with movable seat fixed connection, the transmission shaft fixed connection in on the movable seat, cantilever fixed connection in the transmission shaft bottom, the pendulum install in the cantilever is kept away from on one end of transmission shaft.

Through adopting above technical scheme, set up the sliding seat and be used for being connected cantilever and support rotation, the user accessible adjusts the turned angle regulation impact dynamics of cantilever, and when the angle of adjusting the cantilever can't satisfy the demand of impact dynamics, the user can also drive the transmission shaft through the second motor and rotate, increases cantilever pivoted speed to improve the speed that the pendulum put down, improve the pendulum to the impact force of work piece, it is more convenient to make the user adjust the impact force.

Optionally, the top of the transmission shaft is fixedly connected with a pointer in a vertical state, and the transmission shaft is close to a dial fixedly connected to the outer surface of one end of the movable seat.

Through adopting above technical scheme, set up calibrated scale and pointer, convenience of customers observes the rotation range of cantilever and pendulum through pointer and calibrated scale, and it is more convenient when making the user use.

Optionally, an electric telescopic rod is arranged between the cantilever and the pendulum, one end of the electric telescopic rod is fixedly connected with the cantilever, and the other end of the electric telescopic rod is fixedly connected with the top of the pendulum.

Through adopting above technical scheme, set up electric telescopic handle, make the user adjust the interval between pendulum bottom and the workstation through electric telescopic handle, the convenience detects the work piece of co-altitude.

In conclusion, the beneficial effects of the application are as follows:

this application passes through the grip block, the screw hole, the gear, cooperation setting between leather collar and first motor isotructure, when the user examines the work piece, at first place the work piece between two grip blocks, then start first motor, drive one of them threaded rod through first motor and rotate, thereby it rotates to drive another threaded rod through gear and leather collar, the length direction that drives two grip block eye screw rods under the impetus of screw thread removes in opposite directions, with the stable centre gripping of work piece at the workstation top, it needs the user manual to fix the test article on the grip block to have avoided current impact tester as far as possible when using, degree of automation is lower, use comparatively inconvenient problem.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present application;

FIG. 2 is a schematic view of the connection structure of the clamping device of the present application;

fig. 3 is a schematic view of the connection structure of the transmission structure of the present application.

Description of reference numerals: 1. a base; 2. supporting legs; 3. a work table; 4. a containing plate; 5. a clamping plate; 6. a threaded hole; 7. a threaded rod; 8. a bearing; 9. a gear; 10. a leather collar; 11. a tooth socket; 12. a first motor; 13. a support; 14. a movable seat; 15. a second motor; 16. a dial scale; 17. a drive shaft; 18. a cantilever; 19. an electric telescopic rod; 20. a pendulum bob.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1-3, an impact testing machine with adjustable impact strength includes a base 1 with a supporting function. The top of the base 1 is fixedly connected with a workbench 3, and the two ends of the workbench 3 are fixedly connected with holding plates 4. One of the containing plates 4 is fixedly connected with a bracket 13, and the top of the bracket 13 is provided with an impact test device. When a user needs to detect, a workpiece to be detected can be placed between two containing plates 4 arranged on the workbench 3, then the impact test device is started, and the workpiece is subjected to impact test testing through the impact test device.

A clamping plate 5 used for fixing the workpiece to be detected is arranged between the two holding plates 4. Threaded holes 6 are formed in the two ends of the two clamping plates 5, and the thread directions of the inner cavities of the two threaded holes 6 are opposite. Two threaded rods 7 are arranged between the two containing plates 4, and two ends of each threaded rod 7 are rotatably connected with the containing plates 4. The interlude of threaded rod 7 passes through grip block 5 through screw hole 6, and threaded rod 7 and grip block 5 looks spiro union. Because the screw thread directions of the inner cavities of the threaded holes 6 formed in the two clamping plates 5 are opposite, when the two threaded rods 7 rotate in the same direction, the two clamping plates 5 can be driven to move oppositely or reversely along the length direction of the threaded rods 7 under the action of the screw thread, and the workpiece to be detected is fixed.

Equal fixedly connected with gear 9 is served in one of two threaded rods 7 equidirectional, and the cover is equipped with leather collar 10 that has the drive action on the surface of two gear 9, connects through leather collar 10 transmission between two gear 9. One of them holds and establishes fixedly connected with first motor 12 on the board 4 lateral wall, and the output of first motor 12 runs through the end part fixed connection who holds board 4 and one of them threaded rod 7. After a user places a workpiece in a gap between the two clamping plates 5, the user can start the first motor 12, the threaded rod 7 fixedly connected with the output end of the first motor 12 is driven to rotate through the first motor 12, and the other threaded rod 7 is driven to synchronously rotate in the same direction through the gear 9 and the leather ring 10, so that the two clamping plates 5 are driven to move oppositely to clamp the workpiece.

During the use, the user places the work piece inside the space between two grip blocks 5 at first, then start first motor 12, it rotates with threaded rod 7 of first motor 12 output fixed connection to drive through first motor 12, and drive another threaded rod 7 synchronous syntropy through gear 9 and leather collar 10 and rotate, two grip blocks 5 pass through threaded hole 6 and threaded rod 7 looks spiro union, and the threaded hole 6 inner chamber screw thread opposite direction who sets up on two grip blocks 5, when two threaded rod 7 syntropy rotate, can drive two grip blocks 5 along the length direction of threaded rod 7 removal in opposite directions under the screw thread effect, with the work piece centre gripping between two grip blocks 5, thereby realize treating the fixed of detection work piece, it needs the manual work piece of user to fix the test article on the grip block when using to have avoided current impact testing machine as far as possible, degree of automation is lower, the comparatively inconvenient problem of use.

Referring to fig. 1, four corners of base 1 bottom all are equipped with supporting leg 2, supporting leg 2 and base 1 fixed connection. Set up supporting leg 2 and be used for supporting base 1 to suitable height, avoid base 1 and ground direct contact as far as possible, receive the problem of ground moisture corruption easily.

Referring to fig. 1 and 2, a bearing 8 is arranged at the joint of the threaded rod 7 and the containing plate 4, the threaded rod 7 is fixedly connected with the inner ring of the bearing 8, and the outer ring of the bearing 8 is embedded in the containing plate 4 and is fixedly connected with the containing plate 4. The bearing 8 is arranged for reducing the friction between the two ends of the threaded rod 7 and the containing plates 4, so that the first motor 12 can drive the threaded rod 7 to rotate between the two containing plates 4 conveniently.

Referring to fig. 3, the leather ring 10 is in a circular ring structure, and the inner wall of the leather ring 10 is provided with tooth grooves 11 matched with the gear teeth arranged on the gear 9. Offer tooth's socket 11 on the leather collar 10 inner wall for increase the frictional force between gear 9 and the leather collar 10, avoid appearing the relative slip as far as possible between leather collar 10 and the gear 9, lead to the slew velocity of two threaded rods 7 different, influence grip block 5 and carry out the problem of centre gripping.

Referring to fig. 2 and 3, a mounting plate is fixedly connected to a joint of the first motor 12 and the containing plate 4, and a bolt is arranged on the mounting plate, penetrates through the mounting plate, and is in threaded connection with the containing plate 4. The mounting plate is arranged to increase the contact surface between the first motor 12 and the containing plate 4, and the bolt is fixed in a connecting mode through bolt screwing, so that the connection is stable, and the mounting and the dismounting of a user are facilitated.

Referring to fig. 2, the impact test device includes a movable seat 14, a second motor 15, a transmission shaft 17, a cantilever 18 and a pendulum 20, the movable seat 14 is rotatably connected to one side of the top of the bracket 13, the second motor 15 is fixedly connected to the other side of the bracket 13, an output end of the second motor 15 penetrates through the bracket 13 and is fixedly connected to the movable seat 14, the transmission shaft 17 is fixedly connected to the movable seat 14, the cantilever 18 is fixedly connected to the bottom of the transmission shaft 17, and the pendulum 20 is installed on one end of the cantilever 18 far away from the transmission shaft 17. Set up the sliding seat 14 and be used for rotating cantilever 18 and support 13 and be connected, the impact force degree is adjusted to the turned angle that the user accessible was adjusted cantilever 18, when the unable demand that satisfies the impact force degree of the angle of adjusting cantilever 18, the user can also drive transmission shaft 17 through second motor 15 and rotate, increase cantilever 18 pivoted speed, thereby improve the speed that pendulum 20 rocked down, improve the pendulum 20 to the impact force of work piece, it is more convenient to make the user adjust the impact force.

Referring to fig. 1, a pointer in a vertical state is fixedly connected to the top of the transmission shaft 17, and a dial 16 is fixedly connected to the outer surface of one end of the transmission shaft 17 close to the movable seat 14. The dial 16 and the pointer are arranged, so that a user can conveniently observe the rotation amplitude of the cantilever 18 and the pendulum bob 20 through the pointer and the dial 16, and the use is more convenient for the user.

Referring to fig. 1, an electric telescopic rod 19 is arranged between a cantilever 18 and a pendulum 20, one end of the electric telescopic rod 19 is fixedly connected with the cantilever 18, and the other end of the electric telescopic rod 19 is fixedly connected with the top of the pendulum 20. Set up electric telescopic handle 19, make the user adjust the interval between pendulum 20 bottom and the workstation 3 through electric telescopic handle 19, conveniently detect the work piece of co-altitude.

The implementation principle of the application is as follows: during the use, the user places the work piece inside the space between two grip blocks 5 at first, then start first motor 12, it rotates with threaded rod 7 of first motor 12 output fixed connection to drive through first motor 12, and drive another threaded rod 7 synchronous syntropy through gear 9 and leather collar 10 and rotate, two grip blocks 5 pass through threaded hole 6 and threaded rod 7 looks spiro union, and the threaded hole 6 inner chamber screw thread opposite direction who sets up on two grip blocks 5, when two threaded rod 7 syntropy rotate, can drive two grip blocks 5 along the length direction of threaded rod 7 removal in opposite directions under the screw thread effect, with the work piece centre gripping between two grip blocks 5, thereby realize treating the fixed of detection work piece, it needs the manual work piece of user to fix the test article on the grip block when using to have avoided current impact testing machine as far as possible, degree of automation is lower, the comparatively inconvenient problem of use.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an impact testing machine of dynamics of impact convenient to adjust, includes base (1), base (1) top fixedly connected with workstation (3), board (4) are established flourishing to the equal fixedly connected with in both ends of workstation (3), one of them fixedly connected with support (13) are gone up to board (4) flourishing, support (13) top is equipped with impact testing test device, its characterized in that: two it is equipped with grip block (5), two to establish greatly between board (4) the both ends of grip block (5) are all seted up threaded hole (6), two the screw thread opposite direction of screw hole (6) inner chamber, two it is equipped with two threaded rod (7) to establish between board (4) greatly, the both ends of threaded rod (7) with establish board (4) greatly and rotate the connection, the interlude of threaded rod (7) passes through screw hole (6) are run through grip block (5), threaded rod (7) with grip block (5) looks spiro union, two equal fixedly connected with gear (9) is served to one of threaded rod (7) same direction, two the cover is equipped with leather collar (10) on the surface of gear (9), two pass through between gear (9) leather collar (10) transmission is connected, one of them establish fixedly connected with first motor (12) on board (4) lateral wall greatly, the output of first motor (12) runs through establish flourishing board (4) and one of them the tip fixed connection of threaded rod (7).

2. The impact test machine with conveniently adjusted impact strength of claim 1, characterized in that: four corners of base (1) bottom all are equipped with supporting leg (2), supporting leg (2) with base (1) fixed connection.

3. The impact test machine with conveniently adjusted impact strength of claim 1, characterized in that: the threaded rod (7) with the junction of flourishing board (4) is equipped with bearing (8), threaded rod (7) with the inner circle fixed connection of bearing (8), the outer lane of bearing (8) embedded in flourishing board (4) inside with flourishing board (4) fixed connection.

4. The impact test machine with conveniently adjusted impact strength according to claim 3, characterized in that: the leather ring (10) is of a circular ring-shaped structure, and tooth grooves (11) matched with the gear teeth arranged on the gear (9) are formed in the inner wall of the leather ring (10).

5. The impact test machine with the impact strength convenient to adjust according to claim 1, characterized in that: first motor (12) with the junction fixedly connected with mounting panel of board (4) is established greatly, be equipped with the bolt on the mounting panel, the bolt runs through the mounting panel, the bolt with establish board (4) looks spiro union greatly.

6. The impact test machine with the impact strength convenient to adjust according to claim 1, characterized in that: impact test device includes sliding seat (14), second motor (15), transmission shaft (17), cantilever (18) and pendulum (20), sliding seat (14) rotate connect in one of them one side at support (13) top, second motor (15) fixed connection with the opposite side of support (13), the output of second motor (15) runs through support (13) with sliding seat (14) fixed connection, transmission shaft (17) fixed connection in on sliding seat (14), cantilever (18) fixed connection in transmission shaft (17) bottom, pendulum (20) install in cantilever (18) are kept away from one of transmission shaft (17) is served.

7. The impact test machine with conveniently adjusted impact strength according to claim 6, characterized in that: transmission shaft (17) top fixedly connected with is the pointer of vertical state, transmission shaft (17) are close to fixedly connected with calibrated scale (16) on the one end surface of sliding seat (14).

8. The impact test machine with conveniently adjusted impact strength according to claim 6, characterized in that: an electric telescopic rod (19) is arranged between the cantilever (18) and the pendulum (20), one end of the electric telescopic rod (19) is fixedly connected with the cantilever (18), and the other end of the electric telescopic rod (19) is fixedly connected with the top of the pendulum (20).