CN211940565U

CN211940565U - Glow wire testing machine clamp

Info

Publication number: CN211940565U
Application number: CN202020109483.XU
Authority: CN
Inventors: 孙成绘
Original assignee: Suzhou Yangyi Walch Detection Technology Co ltd
Current assignee: Suzhou Yangyi Walch Detection Technology Co ltd
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-11-17
Anticipated expiration: 2030-01-18

Abstract

The utility model discloses a glowing filament test machine anchor clamps aims at solving traditional glowing filament test machine and changes the inconvenient problem in hot spot. The key points of the technical scheme are as follows: the base, the mobile structure, altitude mixture control structure and anchor clamps, be equipped with the first and the second bearing platform of bearing platform on the base, the first and the second all with base fixed connection of bearing platform, be equipped with the motor on the first bearing platform, be equipped with the bearing block on the second bearing platform, be equipped with the altitude mixture control structure on the bearing block, the altitude mixture control structure includes the fixed block, the sliding ring, fixture block and bayonet lock, the fixed block passes through welded fastening with the bearing block and is connected, be equipped with the connecting hole that is used for interlude bayonet lock one and a plurality of bayonet sockets that are used for interlude the fixture block on the fixed block, the sliding ring overlaps and establishes on the fixed block, be equipped with the second bayonet socket that corresponds with the bayonet socket position on the sliding ring, still be equipped with the glow wire on the sliding ring.

Description

Glow wire testing machine clamp

Technical Field

The utility model relates to a belong to the relevant technical field of glowing filament testing machine, more specifically say, it relates to a glowing filament testing machine anchor clamps.

Background

The glow wire tester is suitable for carrying out ignition danger tests and combustion performance tests on electrical and electronic products, household appliances and materials thereof and the like, and is used for simulating thermal stress caused by a heat source or an ignition source such as a glow element or an overload resistor in a short time under the condition of equipment failure or overload so as to evaluate the ignition danger of the products. The clamp on the existing glow wire testing machine is usually fixed and cannot adapt to the shapes of various objects, and only one part of the glow wire can be fixed at each time, if the next part of the glow wire needs to be detached from the clamp continuously, the glow wire testing machine can work by fastening again, so that the glow wire testing machine is not beneficial to fast working.

Chinese patent No. CN209069724U discloses a glowing filament testing machine clamp and glowing filament testing machine thereof, comprising a base and a supporting baffle, wherein the left and right sides of the upper end of the base are respectively provided with a supporting baffle, the base and the supporting baffle are connected by welding, the left end of the supporting baffle is provided with a slide bar, the left side of the slide bar is provided with a clamp, and the lower end of the clamp is provided with a supporting frame, the glowing filament testing machine is provided with a clamp, by clamping an object to be tested on a backing plate, the backing plate has a deformation function, according to the size, shape and thickness of a test article, more flexible clamping modes such as rotation, translation and turning are adopted, so that the backing plate can be suitable for the shapes of various objects, and a coil spring can fix the clamped object more stably, so that any position of the tested object can be tested by adjusting the height of a lifting platform, the rapid test can not be delayed.

The utility model discloses in provide a new technical scheme solve traditional glow wire testing machine and change the inconvenient problem in hot spot.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a glowing filament test machine anchor clamps solves traditional glowing filament test machine through the altitude mixture control structure and the anchor clamps that are equipped with and changes the inconvenient problem of burning the focus.

The above technical purpose of the present invention can be achieved by the following technical solutions: a glowing filament testing machine clamp comprises a base, a moving structure, a height adjusting structure and a clamp, wherein a first bearing platform and a second bearing platform are arranged on the base, the first bearing platform and the second bearing platform are fixedly connected with the base, a motor is arranged on the first bearing platform, a bearing block is arranged on the second bearing platform, the height adjusting structure is arranged on the bearing block, the height adjusting structure comprises a fixed block, a sliding ring, a clamping block and a clamping pin, the fixed block is fixedly connected with the bearing block through welding, a first connecting hole for inserting the clamping pin and a plurality of first clamping holes for inserting the clamping block are formed in the fixed block, the sliding ring is sleeved on the fixed block, a second clamping hole corresponding to the first clamping hole is formed in the sliding ring, a glowing filament is further arranged on the sliding ring, and the glowing filament is fixedly connected with the sliding ring through threads, the fixture block is provided with a second connecting hole corresponding to the first connecting hole, the movable structure comprises a support for fixedly connecting the fixture, a connecting groove is formed in the support, the fixture comprises a frame, two springs, a pull rod and a clamping plate, the frame is provided with a main plate and two auxiliary plates, one side, deviating from the glow wire, of the main plate is provided with a connecting rod, the connecting rod is fixedly connected with the connecting groove through welding, a third connecting hole corresponding to the position is formed in the two auxiliary plates, the pull rod is inserted into the third connecting hole, the spring sleeve is arranged on the pull rod, the springs are attached to the auxiliary plates and the clamping plate, and the pull rod is fixedly connected with the clamping plate through threads.

By adopting the technical scheme, the base is arranged for bearing each part, the mobile structure is arranged for driving the experimental sample to approach to the glow wire, so as to realize the test effect of the glow wire testing machine, the height adjusting structure is arranged for realizing the up-and-down movement of the glow wire, so as to realize the measurement of different positions of the experimental sample, so that the process of changing the burning hot point of the glow wire testing machine is convenient and rapid, the clamp is arranged for clamping the experimental sample to approach to the glow wire and further completing the test process of the glow wire testing machine, the bearing table I is arranged for placing the motor, the bearing table II is arranged for connecting the bearing block and the base, the bearing block is arranged for connecting the fixed block and the bearing table II, the whole connecting effect is ensured by adopting the welding mode, the welding has the characteristic of stability and firmness, the fixed block is arranged for fixing the position of the height adjusting structure and for bearing each part forming the height adjusting structure, the slip ring is sleeved on the fixed block, the slip ring slides up and down to drive the glow wire on the slip ring to move up and down, so that the function of a height adjusting structure is realized, the fixture block is arranged to realize the limitation of the position between the slip ring and the fixed block by being inserted into the first bayonet of the fixed block and the second bayonet of the slip ring, the bayonet lock is arranged to realize the limitation of the position of the fixture block by being inserted into the first connecting hole of the fixed block and the second connecting hole of the fixture block, the glow wire is fixedly connected with the slip ring by adopting threads, the connection has the characteristic of rapidness and stability to ensure the stability of the connection effect by utilizing the threads, the support is arranged to connect the moving structure and the fixture, the frame is arranged to bear each part of the fixture, the spring is arranged to realize the clamping of the clamp plate on an experimental sample by utilizing the elasticity of the compression spring, the pull, utilize welded stable characteristic to guarantee holistic connection stability, the setting of connecting hole three is used for alternate the pull rod, realizes being connected of pull rod and frame, adopts thread tightening to be connected between pull rod and the splint, utilizes threaded connection to have the swift stable characteristic and has guaranteed the connection effect of pull rod and splint.

The utility model discloses further set up to: the movable structure comprises a motor, a support, a screw rod, a slide rail and a screw rod nut, the screw rod is fixedly connected with the motor through a coupler, a first sliding groove used for penetrating the slide rail is formed in the support, a fourth connecting hole is further formed in the support, the screw rod nut is fixedly connected with the four-way connecting hole in a welding mode, the screw rod is rotatably connected with the bearing block, and the first bearing table is fixedly connected with the bearing block in a welding mode.

Through adopting the above-mentioned technical scheme, the setting of motor is used for providing power for mobile structure, the lead screw passes through the shaft coupling with the motor and links to each other, the utilization drives the lead screw through the motor and rotates, lead screw and the combined action of support connection hole four internal welded screw-nut drive support slip, the position that can restrict the support on the one hand of the cooperation of slide rail and spout one, on the other hand makes the slip of support more smooth and easy, set up to rotating between accepting table and the lead screw and be connected, play the effect of bearing the lead screw, can alleviate the shearing force to motor output shaft, make the structure more steady, adopt lead screw and screw-nut structure to drive the removal of experimental sample, it is more steady to compare in the gravity that the tradition passes through the weight and realizes the removal of.

The utility model discloses further set up to: the opposite surfaces of the clamping plates are provided with friction pads.

Through adopting above-mentioned technical scheme, the frictional force between splint and the test sample can be increased in the setting of friction pad for splint are more stable to test sample's centre gripping.

The utility model discloses further set up to: and the pull rod and the clamping pin are both provided with holding rods.

Through adopting above-mentioned technical scheme, the process of the pull-out process and the bayonet lock of taking out from connecting hole one of convenient pull rod of setting up of holding rod.

The utility model discloses further set up to: and one side opposite to the auxiliary plate and one side deviated from the clamping plate are both provided with spring clamping grooves.

Through adopting above-mentioned technical scheme, the setting of spring card groove is used for the position of restriction spring to avoid influencing holistic stability because of the skew of spring.

The utility model discloses further set up to: the support is further symmetrically provided with two first reinforcing blocks, the bottom of each first reinforcing block is provided with a first sliding block, and the base is provided with a second sliding groove used for being embedded with the first sliding block.

Through adopting above-mentioned technical scheme, boss one sets up and is used for strengthening holistic stability, avoids causing the inaccuracy of measuring result because of the unstability of structure, and the setting up of slider one and spout two is favorable to the slip of support on the one hand, and the position of support can also be restricted when the location is realized to the another side, avoids the structural damage because of the collision of structure causes.

The utility model discloses further set up to: one side of the splint far away from the glow wire is provided with a second sliding block, and the main board is provided with a third sliding groove for accommodating the second sliding block.

Through adopting above-mentioned technical scheme, the setting of slider two and spout three also can play the effect of location at the in-process of installation when making things convenient for splint gliding for the process of installation convenient and fast more.

The utility model discloses further set up to: and reinforcing blocks II are arranged around the bayonet II.

Through adopting above-mentioned technical scheme, the setting of boss two is used for strengthening the stability that fixture block and sliding ring are connected.

The utility model discloses further set up to: the screw rod is connected with the bearing block in a matched mode through the shaft hole, and a bearing is arranged at the joint.

Through adopting above-mentioned technical scheme, the lead screw with accept and set up to the shaft hole cooperation between the piece and be connected, the junction is provided with the bearing simultaneously, utilizes the bearing to alleviate the frictional force of junction and makes the rotation of lead screw more steady.

To sum up, the utility model discloses following beneficial effect has: the position of glowing filament can be changed through the altitude mixture control structure that sets up, and then can be swiftly convenient change to the glowing point of test sample for the process of measuring the data of the different positions of test sample becomes simple, and the test sample of change centre gripping that the anchor clamps that are equipped with can be quick also can make the change of burning the focus more convenient equally, and the removal structure of setting utilizes the motor to drive the lead screw, realizes test sample's removal through lead screw and screw-nut's combined action, the utility model discloses it is more stable to compare in the method that the tradition utilized weight gravity to drive test sample and remove, and the result of record is more accurate.

Drawings

Fig. 1 is a schematic structural view of a glow wire tester fixture of the present invention, which is mainly used for showing the split structure of the present invention;

fig. 2 is a schematic view of a frame structure of a glow wire tester fixture of the present invention, which is mainly used for showing the structure of the frame;

fig. 3 is the structural diagram of the support of the glow wire testing machine fixture of the present invention, which is mainly used for showing the structure of the support.

In the figure: 1. a base; 2. a moving structure; 3. a height adjustment structure; 4. a clamp; 5. a first bearing table; 6. a second bearing table; 7. a bearing block; 8. a fixed block; 9. a slip ring; 10. a clamping block; 11. a bayonet lock; 12. A first connecting hole; 13. a first bayonet; 14. a second bayonet; 15. a glow wire; 16. a second connecting hole; 17. a support; 18. connecting grooves; 19. a frame; 20. a spring; 21. a pull rod; 22. a splint; 23. a main board; 24. An auxiliary plate; 25. a connecting rod; 26. connecting a hole III; 27. a motor; 28. a screw rod; 29. a slide rail; 30. A first sliding chute; 31. a feed screw nut; 32. a fourth connecting hole; 33. a holding rod; 34. a spring clamp groove; 35. a first reinforcing block; 36. a first sliding block; 37. a second chute; 38. a second sliding block; 39. a third chute; 40. and a second reinforcing block.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A glow wire tester clamp is disclosed, as shown in figures 1-3, and comprises a base 1, a moving structure 2, a height adjusting structure 3 and a clamp 4, wherein the base 1 is arranged for bearing each part, the height adjusting structure 3 is used for realizing the up-and-down adjustment of a glow wire 15 and further quickly and conveniently replacing a burning hot spot, the base 1 is provided with a first bearing table 5 and a second bearing table 6, the first bearing table 5 is used for placing a motor 27, the motor 27 adopts a speed reducing motor, the rotating speed of the speed reducing motor is slower, so that the movement of a test sample is more stable, the measurement accuracy of the test sample is further ensured, a bearing block 7 is welded on the second bearing table 6, the bearing block 7 is fixedly connected with a fixed block 8 by welding, the connection between the height adjusting structure 3 and the base 1 is realized, the other hand is rotatably connected with a screw 28, and the shearing force on the output shaft of the motor, the structure is more stable, the service life is longer, the sliding rail 29 is welded on the first bearing table 5, the bracket 17 is inserted into the sliding rail 29 through the first sliding groove 30 to realize sliding connection with the base 1, the second sliding groove 37 is further arranged on the base 1, the second sliding groove 37 is connected with the bracket 17, the first sliding block 36 embedded into the first reinforcing block 35, on one hand, the sliding stability of the bracket 17 is enhanced, on the other hand, the sliding range of the bracket 17 is limited, the height adjusting structure 3 comprises a fixing block 8, a sliding ring 9, a clamping block 10 and a clamping pin 11, three first bayonets 13 are arranged on the fixing block 8, the sliding ring 9 slides on the fixing block 8 to drive the glow wire 15 on the sliding ring 9 to slide up and down, the clamping block 10 realizes limitation on the position of the sliding ring 9 through inserting into the first bayonet 13 arranged on the fixing block 8 and the second bayonet 14 arranged on the sliding ring 9, the clamping pin 11 realizes limitation on the position of the clamping block 10 through The clamping pin 11 is limited, a holding rod 33 is further arranged on the clamping pin 11 to facilitate the clamping pin 11 to be drawn out from the connecting hole I12 and the connecting hole II 16, the moving structure 2 comprises a motor 27, a support 17, a screw rod 28, a screw rod nut 31 and a slide rail 29, the motor 27 is fixedly connected with the screw rod 28 through a coupler, the motor 27 drives the screw rod 28 to rotate, the screw rod nut 31 is fixedly connected with a connecting hole IV 32 arranged on the support 17 through welding, the support 17 is inserted on the slide rail 29, the screw rod nut 31 is sleeved on the screw rod 28, the support 17 is driven to move through the combined action of the screw rod 28 and the screw rod nut 31, so as to drive the experimental sample to move, the support 17 is provided with a connecting groove 18, the clamp 4 comprises a frame 19, two springs 20, a clamping plate 22 and a pull rod 21, the clamp 4 is connected with the support 17 through welding of a connecting rod 25 and, be equipped with the connecting hole three 26 that is used for alternate pull rod 21 on the auxiliary plate 24, through thread fixed connection between pull rod 21 and the splint 22, the elasticity that utilizes the spring 20 of compression to provide between pull rod 21 and the splint 22 realizes the centre gripping to the experimental sample, still be equipped with the spring draw-in groove 34 that is used for restricting the spring 20 position between splint 22 and the auxiliary plate 24, and then ensure the stability of spring 20 elasticity, still be equipped with the handle on the pull rod 21, make things convenient for pull rod 21 to pull away splint 22, all be equipped with slider two 38 on the splint 22, be equipped with the spout three 39 that is used for gomphosis slider two 38 on the mainboard 23, the gomphosis of slider two 38 and spout three 39 makes overall structure more stable, still be equipped with reinforcing block two 40 around bayonet socket two 14, the setting up of reinforcing block two 40 makes the intensity of altitude mixture control structure 3 stronger.

The working process is as follows: the second bayonet 14 of the slip ring 9 of the height adjusting structure 3 corresponds to the lowest bayonet 13 on the fixed block 8, inserting the fixture block 10 into the first bayonet 13 and the second bayonet 14, inserting the bayonet 11 into the first connecting hole 12 and the second connecting hole 16, pulling the pull rod 21 open, placing the test sample between the clamping plates 22, electrifying the glow wire 15, starting the motor 27, driving the screw rod 28 to rotate by the motor 27, pushing the bracket 17 fixedly connected with the screw rod nut 31 by the screw rod 28, sliding the bracket 17 in the slide rail 29 and the second chute 37, contacting the test sample with the glow wire 15, controlling the motor 27 to rotate reversely, the test specimen is brought away from the glow wire 15 by the interaction of the spindle 28 and the spindle nut 31, the change of the burning hot spot is realized by adjusting the height adjusting structure 3 or replacing the position of the test sample in the clamp 4, and the burning test on different positions of the test sample is completed by repeating the process.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a glowing filament test machine anchor clamps, includes base (1), removal structure (2), altitude mixture control structure (3) and anchor clamps (4), be equipped with on base (1) and accept one (5) and two (6) of bearing platform, one (5) of bearing platform and two (6) of bearing platform all with base (1) fixed connection, be equipped with motor (27) on one (5) of bearing platform, be equipped with on two (6) of bearing platform and hold piece (7), be equipped with altitude mixture control structure (3) on the piece (7) of bearing, its characterized in that: the height adjusting structure (3) comprises a fixed block (8), a sliding ring (9), a clamping block (10) and a clamping pin (11), the fixed block (8) is fixedly connected with the bearing block (7) through welding, a first connecting hole (12) used for inserting the clamping pin (11) and a plurality of first bayonets (13) used for inserting the clamping block (10) are arranged on the fixed block (8), the sliding ring (9) is sleeved on the fixed block (8), a second bayonets (14) corresponding to the first bayonets (13) are arranged on the sliding ring (9), a glow wire (15) is further arranged on the sliding ring (9), the glow wire (15) is fixedly connected with the sliding ring (9) through threads, a second connecting hole (16) corresponding to the first connecting hole (12) is arranged on the clamping block (10), the moving structure (2) comprises a bracket (17) used for fixedly connecting the clamp (4), be equipped with spread groove (18) on support (17), anchor clamps (4) include frame (19), two springs (20), pull rod (21) and splint (22), be equipped with mainboard (23) and two auxiliary plate (24) on frame (19), mainboard (23) deviate from one side of glow wire (15) is equipped with connecting rod (25), connecting rod (25) with spread groove (18) are through welded fastening connection, be equipped with connecting hole three (26) that the position corresponds on two auxiliary plate (24), pull rod (21) alternates in connecting hole three (26), spring (20) cover is established on pull rod (21), spring (20) with auxiliary plate (24) with splint (22) laminating, pull rod (21) with splint (22) pass through thread fixed connection.

2. The glow-wire tester fixture of claim 1, wherein: remove structure (2) and include motor (27), support (17), lead screw (28), slide rail (29) and screw-nut (31), lead screw (28) with motor (27) pass through shaft coupling fixed connection, be equipped with on support (17) and be used for alternate slide rail (29) spout one (30), still be equipped with connecting hole four (32) on support (17), screw-nut (31) with connecting hole four (32) are through welded fastening connection, lead screw (28) with hold and connect piece (7) and rotate the connection, lead screw (28) with hold and connect piece (5) and pass through welded fastening connection.

3. The glow-wire tester fixture of claim 1, wherein: the opposite surfaces of the clamping plates (22) are provided with friction pads.

4. The glow-wire tester fixture of claim 1, wherein: the pull rod (21) and the bayonet lock (11) are both provided with a holding rod (33).

5. The glow-wire tester fixture of claim 1, wherein: and one side opposite to the auxiliary plate (24) and one side deviated from the clamping plate (22) are respectively provided with a spring clamping groove (34).

6. The glow-wire tester fixture of claim 1, wherein: still the symmetry is equipped with two boss one (35) on support (17), the bottom of boss one (35) is equipped with slider one (36), be equipped with on base (1) and be used for the gomphosis slider two (37) of one (36).

7. The glow-wire tester fixture of claim 1, wherein: one side that splint (22) kept away from glow wire (15) is equipped with slider two (38), be equipped with on mainboard (23) and be used for holding spout three (39) of slider two (38).

8. The glow-wire tester fixture of claim 1, wherein: and a second reinforcing block (40) is arranged around the second bayonet (14).

9. The glow-wire tester fixture of claim 2, wherein: the screw rod (28) is connected with the bearing block (7) in a matched mode through a shaft hole, and a bearing is arranged at the joint.