CN218443709U - Fuse length detection mechanism - Google Patents
Fuse length detection mechanism Download PDFInfo
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- CN218443709U CN218443709U CN202222114455.9U CN202222114455U CN218443709U CN 218443709 U CN218443709 U CN 218443709U CN 202222114455 U CN202222114455 U CN 202222114455U CN 218443709 U CN218443709 U CN 218443709U
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Abstract
A fuse length detection mechanism comprises a height detection pressing block for supporting a fuse, a height detection ejector is arranged above the height detection pressing block, the height detection ejector moves downwards under the driving of a second air cylinder and then pushes the height detection ejector to the upper end of the fuse, the height detection ejector moving downwards can be pushed upwards after being subjected to reverse acting force, a proximity switch is arranged above the height detection ejector, and the proximity switch outputs corresponding signals according to the movement distance of the height detection ejector; an electrifying detection mechanism is further arranged in front of the length detection mechanism and comprises two electrifying induction pieces which are arranged in parallel up and down, and the end caps of the fuse are respectively conveyed to the upper part of the height detection pressing block after being correspondingly electrified and contacted with the electrifying induction pieces for detection. The utility model discloses whether detectable fuse product can normally be switched on to carry out length detection, perfect the testing procedure, improve the speed that the product detected.
Description
Technical Field
The utility model relates to a fuse processing equipment field, more specifically the fuse length detection mechanism that says so relates to.
Background
The fuse is an essential electronic component in a circuit system and mainly plays a role in overload protection. The fuse is correctly arranged in the circuit, and can be fused and cut off the current when the current is abnormally increased to a certain height and heat, so that the circuit is protected from safe operation, and dangers such as fire disasters and the like caused by overheat ignition are avoided. A conventional fuse generally includes a fusible body mounted in an insulating tube with two open ends, and two ends of the fusible body are fixed to end caps at two ends of the insulating tube. The fuse is small in size, the position for installing the fuse on a product is usually small, the size of the fuse is required to be accurate, and the length is an important specification index of the fuse; in addition, the length is the distance from the top point of the upper end cap to the top point of the lower end cap, so that whether the assembly of the upper end cap and the lower end cap of the fuse is qualified can be judged.
At present, with the development of computer technology and automatic control, the assembly of fuses is changed from manual operation to full-automatic machine assembly, and the production efficiency and the product quality are greatly improved. However, at present, the fuse length detection is mostly carried out manually, that is, the assembled fuse is collected firstly, and then the fuse is detected by using an independent length detector, so that the production efficiency is reduced, and the manpower is wasted; moreover, because the fuse is small in size, the result error is large due to manual detection; meanwhile, bad products cannot be found in time. Although there is a device capable of automatically detecting the length of the fuse in the prior art, the detection steps are complicated. In addition, the existing length detection mechanism only can detect the length of the fuse, cannot detect whether the product can be normally powered on, and is an especially important link in product quality detection because whether the fuse product can be normally powered on is also an important link in product quality detection, for example, when the length of the fuse is detected, the power-on problem of the fuse can be automatically detected together, so that the labor cost is greatly saved, the product detection speed is improved, and the product detection error rate is reduced. The scheme is generated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fuse length detection mechanism, whether its detectable fuse product can normally be circular telegram to carry out length detection, perfect the testing procedure, improve the speed that the product detected.
In order to achieve the above purpose, the solution of the utility model is:
a fuse length detection mechanism, wherein end caps are respectively arranged at the upper end and the lower end of a fuse, the fuse is conveyed to the length detection mechanism through an automatic conveying mechanism, the length detection mechanism comprises a height detection pressing block which is arranged on a rack and used for supporting the fuse, a height detection ejector is arranged above the height detection pressing block, the height detection ejector moves downwards under the drive of a second air cylinder and then pushes the height detection ejector to the upper end of the fuse, the height detection ejector moving downwards pushes upwards after being subjected to reverse acting force, a proximity switch is arranged above the height detection ejector, and the proximity switch outputs corresponding signals according to the movement distance of the height detection ejector; the length detection mechanism is also provided with an electrifying detection mechanism in front of the length detection mechanism, the electrifying detection mechanism comprises two electrifying induction sheets which are arranged in parallel up and down, and the end caps of the fuse are respectively and correspondingly conveyed to the upper part of the height detection pressing block after being electrified and contacted with the electrifying induction sheets for detection.
Furthermore, in the length detection mechanism, the height detection pressing block is arranged above a first air cylinder, and the first air cylinder pushes the height detection pressing block upwards to support the fuse after the fuse is conveyed.
Further, the height detection top is connected to a height detection movable rod, a detection piece in the proximity switch is arranged at the top of the height detection movable rod, the proximity switch outputs corresponding signals according to the distance of the detection piece, the height detection movable rod penetrates through a supporting block, a spring is arranged between the height detection top and the supporting block, and the height detection movable rod penetrates through the middle of the spring.
Furthermore, the length detection mechanism is connected to a frame, a connecting plate is arranged on the frame, the back of the connecting plate can be connected to a guide rail in a sliding mode, the supporting block is arranged on the connecting plate, the second cylinder is connected to the connecting plate, and the connecting plate is stretched on the guide rail through the second cylinder.
Furthermore, the electrified induction sheets respectively form a strip-shaped conductor, two end caps of the fuse are attached to the corresponding electrified induction sheets when being conveyed to the electrified detection mechanism to detect whether the fuse is electrified or not, the electrified induction sheets are pushed inwards simultaneously in the process of conveying the fuse, the fuse is conveyed forwards to the length detection mechanism after being detected, and the electrified induction sheets reset after the fuse leaves.
Furthermore, the middle part of each electrified induction sheet is respectively pivoted on the insulating support plate through an insulating pin, one side of each electrified induction sheet, which is far away from the length detection mechanism, is respectively connected with an extension spring, the upper extension spring and the lower extension spring are parallel, and the extension springs are respectively conveyed to the two electrified induction sheets by the fuse to be attached and are stretched in the process of pushing inwards.
Furthermore, an insulating stop pin is arranged on the rear side, close to the extension spring, of the insulating stop pin, and the extension spring drives the power-on induction sheet to reset to the position where the corresponding insulating stop pin abuts against.
Further, an arc-shaped transition surface is formed at the end part of one end, facing the length detection mechanism, of the electrified induction sheet, and two end caps of the fuse respectively slide through the electrified induction sheet and then are separated from the transition surface after detection.
Furthermore, the height of the upper electrified induction sheet and the lower electrified induction sheet is between the height detection pressing block and the height detection top.
Furthermore, the automatic conveying mechanism of the fuse comprises a rotary disc, a plurality of clamping assemblies used for clamping the fuse are distributed on the circumference of the rotary disc, and each clamping assembly respectively comprises an elastic clamping force formed between two clamping arms through a spring.
After the structure of the oil adding device is adopted, the utility model discloses whether detectable fuse product can normally be switched on, guarantee product quality problem to carry out length detection, can cooperate the full automatization assembly process of fuse, perfect the testing procedure, can use manpower sparingly cost greatly, improve the speed that the product detected, reduce the fault rate that the product detected, guaranteed production technology's stability.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic side view of the present invention.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
As shown in fig. 2, the present invention discloses a fuse length detecting mechanism, the fuse 1 includes two end caps disposed at the upper and lower ends of an insulating tube, which are defined as an upper end cap 11 and a lower end cap 12, and the fuse 1 can be conveyed to the length detecting mechanism through an automatic conveying mechanism. The automatic conveying mechanism of the fuse can comprise a rotating disc (not shown in the figure), a plurality of clamping components used for clamping the fuse are distributed on the circumference of the rotating disc, and each clamping component can respectively form elastic clamping force between two clamping arms through a spring to elastically clamp the fuse.
With reference to fig. 1 to fig. 3, the length detecting mechanism of the present invention includes a height detecting pressing block 21 for supporting the fuse 1 in the frame, the height detecting pressing block 21 is disposed above a first cylinder 22 and can be driven by the first cylinder 22 to move upwards, and the first cylinder 22 can properly push the height detecting pressing block 21 upwards to support the fuse 1 after the fuse 1 is delivered. The stroke of the first cylinder 22 can be set according to the working condition, and will not push up too much distance, the height detection pressing block 21 can also descend after supporting the fuse 1 for a preset time, and the ascending and descending moving strokes are kept consistent, so that the transferred fuse is smoothly supported on the height detection pressing block 21, and the supporting height can be kept consistent.
Further, a height detection ejector 23 is arranged above the height detection pressing block 21, the height detection ejector 23 can be driven by a second air cylinder 34 to move downwards and then eject to the upper end of the fuse 1, the height detection ejector 23 moving downwards ejects upwards after being subjected to reverse action of the fuse 1, a proximity switch 24 is arranged above the height detection ejector 23, and the proximity switch 24 can output corresponding signals according to the movement distance of the height detection ejector 23. Specifically, in this embodiment, the height detection head 23 is connected to a height detection movable rod 26, the detection member 25 of the proximity switch 24 is disposed on the top of the height detection movable rod 26, and the proximity switch 24 outputs a corresponding signal according to the distance between the detection member 25 and the ground. The height detection movable rod 26 passes through a supporting block 27, a spring 28 is arranged between the height detection top head 23 and the supporting block 27, and the height detection movable rod 26 passes through the middle of the spring 28. The spring 28 provides a cushioning effect when the height detection movable bar 26 moves upward. For a proximity switch, for example, a hall proximity switch can be used, and the detector 25 can be a magnetic element.
During height detection, the fuse 1 is conveyed to a length detection mechanism, when the fuse 1 is conveyed to the position above a height detection pressing block 21, the height detection pressing block 21 can be pushed up under the driving of a first air cylinder 22, the height detection pressing block 21 is in contact with the lower end of the fuse 1 to play a supporting role, at the moment, a second air cylinder 34 pushes down to drive a height detection ejector head 23 to move downwards, the height detection ejector head can push up to the upper end of the fuse 1 downwards, the fuse 1 can not move all the time due to the support of the height detection pressing block 21 below, the height detection ejector head 23 can be subjected to a reaction force, so that a height detection movable rod 26 is driven to push up, a detection piece 25 is driven to be close to a proximity switch, and if the length of the fuse 1 is normal, the height detection movable rod 26 can drive the detection piece 25 to touch the proximity switch 24 to send information, and the height of the fuse product is correct.
The utility model discloses in, make length detection mechanism connect in a frame 3, can be equipped with a backup pad 31 in the frame 3, highly detect the pressfitting piece 21 and be located backup pad 31, first cylinder 22 is located backup pad 31 below and passes backup pad 31. The rack 3 is further provided with a connecting plate 32, the supporting block 27 and the proximity switch 24 are arranged on the connecting plate 32, the back of the connecting plate 32 can be connected to a guide rail 33 in a sliding mode, a second cylinder 34 is connected above the connecting plate 32, and the connecting plate 32 is stretched on the guide rail 33 through the second cylinder 34 to form positioning guide.
Further, the utility model discloses in, still be equipped with circular telegram detection mechanism in length detection mechanism the place ahead, circular telegram detection mechanism includes that two are about parallel arrangement's circular telegram response piece, and the definition is last circular telegram response piece 41 and circular telegram response piece 42 down, and the upper end cap 11 of fuse, lower end cap 12 correspond respectively and last circular telegram response piece 41, circular telegram response piece 42 carry out circular telegram contact detection back and carry to height detection pressfitting piece 21 top. Correspondingly, the upper conductive sensing piece 41 and the lower conductive sensing piece 42 are located at a height between the height detecting press-fit block 21 and the height detecting plug 23.
As shown in fig. 1, in the present embodiment, the upper conductive sensing piece 41 and the lower conductive sensing piece 42 form a strip-shaped conductor respectively, and the outer ends of the upper conductive sensing piece 41 and the lower conductive sensing piece 42 are connected with an electrical lead (not shown in the figure). When the fuse 1 is conveyed to the energization detecting means, both the upper end cap 11 and the lower end cap 12 are attached to the corresponding upper energization sensing piece 41 and the lower energization sensing piece 42 to detect whether or not energization is performed. When the fuse 1 moves in place, the end caps at the two ends of the fuse 1 are respectively conducted with the upper electrified induction sheet 41 and the lower electrified induction sheet 42 to form electrode conduction, in the electrified detection mechanism, a test circuit at the rear ends of the upper electrified induction sheet 41 and the lower electrified induction sheet 42 can complete testing, and if the end caps of the fuse 1 are not conducted, the end caps are disconnected, and the fuse is an unqualified product.
The fuse 1 can be simultaneously pushed inwards in the conveying process, the fuse 1 is conveyed forwards to the length detection mechanism after being detected, and the upper and lower electrified induction sheets 41 and 42 can reset after the fuse 1 leaves. In this embodiment, the middle portions of the upper conductive sensing piece 41 and the lower conductive sensing piece 42 are respectively pivoted on an insulating supporting plate 44 through an insulating pin 43, one side of each of the upper conductive sensing piece 41 and the lower conductive sensing piece 42, which is far away from the length detection mechanism, is respectively connected with an extension spring 45 (only the extension spring 45 corresponding to the upper conductive sensing piece is shown in the figure as an illustration), the upper extension spring and the lower extension spring (only the extension spring above is shown in the figure) are parallel, and the extension springs 45 are respectively stretched in the process of conveying the fuse 1 to the two conductive sensing pieces to be attached and pushing inwards. When the fuse is taken away by the automatic fuse conveying mechanism (rotary disc) and enters the length detection mechanism, the fuse leaves the two parallel electrified induction pieces, the electrified induction pieces are not extruded any more, the extension spring 45 returns and retracts, the retracted extension spring drives the two electrified induction pieces to return, and the next fuse is waited to be in contact electrified detection and form extrusion pushing action on the next fuse.
An insulating stop pin 46 can be arranged on the rear side of the insulating pin 43 close to the extension spring 45, and the extension spring 45 respectively drives the power-on sensing pieces to reset to the positions where the corresponding insulating stop pins 46 abut against. Insulating backing pin 46 and extension spring 45 cooperation, insulating backing pin 46 can play limiting displacement, can resume original position when guaranteeing that extension spring 45 drives the circular telegram response piece and resets to cut off the electric current. Meanwhile, arc- shaped transition surfaces 411 and 421 are respectively formed at the end parts of the upper electrified induction sheet 41 and the lower electrified induction sheet 42 facing one end of the length detection mechanism, and the upper end cap 11 and the lower end cap 12 of the fuse 1 respectively slide through the upper electrified induction sheet 41 and the lower electrified induction sheet 42 to be detected and then are separated from the transition surfaces 411 and 421, so that the smooth pushing and advancing action is ensured.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (10)
1. The utility model provides a fuse length detection mechanism, both ends are equipped with the end cap respectively about the fuse, and the fuse conveys to length detection mechanism, its characterized in that through automatic conveying mechanism: the length detection mechanism comprises a height detection pressing block which is arranged on the rack and used for supporting a fuse, a height detection jacking head is arranged above the height detection pressing block, the height detection jacking head is driven by a second air cylinder to move downwards and then jacks the upper end of the fuse, the height detection jacking head which moves downwards can jack up after being subjected to reverse acting force, and a proximity switch is arranged above the height detection jacking head and outputs corresponding signals according to the movement distance of the height detection jacking head; the length detection mechanism is also provided with an electrifying detection mechanism in front of the length detection mechanism, the electrifying detection mechanism comprises two electrifying induction sheets which are arranged in parallel up and down, and the end caps of the fuse are respectively and correspondingly conveyed to the upper part of the height detection pressing block after being electrified and contacted with the electrifying induction sheets for detection.
2. A fuse length sensing mechanism according to claim 1, wherein: in the length detection mechanism, the height detection pressing block is arranged above a first air cylinder, and the first air cylinder pushes the height detection pressing block upwards to support the fuse after the fuse is conveyed.
3. A fuse length sensing mechanism according to claim 1, wherein: the height detection top head is connected on a height detection movable rod, a detection piece in the proximity switch is arranged at the top of the height detection movable rod, the proximity switch outputs corresponding signals according to the distance of the detection piece, the height detection movable rod penetrates through a supporting block, a spring is arranged between the height detection top head and the supporting block, and the height detection movable rod penetrates through the middle of the spring.
4. A fuse length detection mechanism as claimed in claim 3, wherein: the length detection mechanism is connected on a frame, a connecting plate is arranged on the frame, the back of the connecting plate can be connected on a guide rail in a sliding mode, the supporting block is arranged on the connecting plate, the second air cylinder is connected on the connecting plate, and the connecting plate is stretched on the guide rail through the second air cylinder.
5. A fuse length detection mechanism as claimed in claim 1, wherein:
the electrified induction sheets respectively form a strip-shaped conductor, two end caps of the fuse are attached to the corresponding electrified induction sheets when being conveyed to the electrified detection mechanism to detect whether the fuse is electrified or not, the electrified induction sheets are pushed inwards simultaneously in the process of conveying the fuse, the fuse is conveyed forwards to the length detection mechanism after being detected, and the electrified induction sheets reset after the fuse leaves.
6. A fuse length detection mechanism as claimed in claim 5, wherein: the middle part of each electrified induction sheet is respectively pivoted on the insulating support plate through an insulating pin, one side of each electrified induction sheet, which is far away from the length detection mechanism, is respectively connected with an extension spring, the upper extension spring and the lower extension spring are parallel, and the extension springs are respectively attached to the two electrified induction sheets and are stretched in the extruding and pushing process when the fuse is conveyed to the two electrified induction sheets.
7. A fuse length detection mechanism according to claim 6, wherein: an insulating stop pin is arranged on the rear side of the insulating pin close to the extension spring, and the extension spring drives the power-on induction sheet to reset to the position where the corresponding insulating stop pin abuts against.
8. A fuse length detection mechanism according to claim 5 or 6, wherein: the end part of the electrified induction sheet facing one end of the length detection mechanism forms an arc-shaped transition surface, and two end caps of the fuse respectively slide through the electrified induction sheet and then are separated from the transition surface after detection.
9. A fuse length detection mechanism according to claim 5 or 6, wherein: the height of the upper electrified induction sheet and the lower electrified induction sheet is between the height detection pressing block and the height detection top.
10. A fuse length detection mechanism as claimed in any one of claims 1, 2 or 5, wherein: the automatic conveying mechanism of fuse includes at a carousel, and the circumference of carousel distributes and has a plurality of centre gripping subassemblies that can be used to centre gripping fuse, and each centre gripping subassembly includes respectively that it forms elasticity clamping-force through a spring between two centre gripping arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222114455.9U CN218443709U (en) | 2022-08-11 | 2022-08-11 | Fuse length detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222114455.9U CN218443709U (en) | 2022-08-11 | 2022-08-11 | Fuse length detection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218443709U true CN218443709U (en) | 2023-02-03 |
Family
ID=85093714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222114455.9U Active CN218443709U (en) | 2022-08-11 | 2022-08-11 | Fuse length detection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218443709U (en) |
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2022
- 2022-08-11 CN CN202222114455.9U patent/CN218443709U/en active Active
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