Summary of the invention
Based on above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is to provide a kind of ceramic rod special-purpose drawbench, have characteristics simple in structure, easy to use, that locating effect is good, can time saving and energy savingly extract the metal die in the ceramic rod in high quality, and make the not yielding or damage of ceramic rod and metal die.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of ceramic rod special-purpose drawbench, comprises frame, chain-type drawing mechanism and obstructing instrument, and described chain-type drawing mechanism and described obstructing instrument all are located at described frame; Described chain-type drawing mechanism comprises conveyer chain, be located at the plyer of described conveyer chain, be located at described plyer pincers pipe device, drive the drive unit of described conveyer chain running; Described obstructing instrument is corresponding in the position of described frame with described pincers pipe device.
As the improvement of such scheme, but described pincers pipe device comprise the pincers base affixed with described plyer, with described pincers base hinged two jaws of opening and closing each other.
As the improvement of such scheme, described obstructing instrument is provided with fluting, and the face size of described fluting is less than the external diameter of described ceramic rod, and greater than the external diameter of described metal die.
As the improvement of such scheme, described drive unit comprises DC servo motor, clutch, decelerator and shaft coupling; Described conveyer chain comprises the wheel shaft that is arranged at described chain-type drawing mechanism two ends and is located at driving chain between the described wheel shaft; The main shaft of described DC servo motor is connected with described input shaft of speed reducer by described clutch, and the output shaft of described decelerator is connected with described wheel shaft by described shaft coupling.
As the improvement of such scheme, the special-purpose drawbench of described ceramic rod also comprises the receipts pipe support of being located at described chain-type drawing mechanism below and the air lifter that is connected with described receipts pipe support.
By above-mentioned description to the utility model embodiment as can be known, compare, the utlity model has following beneficial effect with background technology.
1, because the employing obstructing instrument blocks ceramic rod and adopt pincers pipe device to clamp metal die, when under the driving of plyer at drive unit towards away from the direction horizontal movement of obstructing instrument the time, just metal die can be pulled out in the ceramic rod tube chamber reposefully, thereby realized the purpose of utilizing the time saving and energy saving high-quality of mechanical device to carry out the drawing operation, and can guarantee that ceramic rod and metal die can not deform or damage.
2, adopt DC servo motor control plyer horizontal reciprocating movement, can adjust the drawing dynamics in the tube drawing process on the one hand, prevent the excessive damage ceramic rod of pulling capacity, can adjust pipe-pulling speed on the other hand, avoid in the tube drawing process frictional force between the ceramic rod and metal die excessive, cause distortion or break.
3, adopt conveyer chain to spur described plyer and carry out horizontal reciprocating movement, can be steadily the application of force balancedly, guarantee that the stressed uniform and stable of metal die ground extracts from ceramic rod.
4, the setting that obstructing instrument and pincers pipes device can be formed a complete set of can realize the tube drawing operation of many metal die of simultaneously operating.
5, the jaw of pincers pipe device and receipts pipe support adopt Pneumatic Transmission to control, and not only make practicality simple to operate, and can realize contacting with the flexibility of metal die, avoid damaging metal die.
The specific embodiment
Further specify the specific embodiment of the present utility model below in conjunction with accompanying drawing.
As shown in Figure 1, the special-purpose drawbench of a kind of ceramic rod, be used to extract ceramic rod 5 intraluminal metal die 6, the special-purpose drawbench of described ceramic rod comprises frame 1, chain-type drawing mechanism 2 and obstructing instrument 3, and described chain-type drawing mechanism 2 and described obstructing instrument 3 all are located at described frame 1; Described chain-type drawing mechanism 2 comprises conveyer chain 21, be located at the plyer 22 of described conveyer chain 21, be located at described plyer 22 pincers pipe device 23, drive the drive unit 24 of described conveyer chain 21 runnings; Described obstructing instrument 3 is corresponding in the position of described frame 1 with described pincers pipe device 23.
By described ceramic rod 5 being placed on described obstructing instrument 3 one ends, the end face of described obstructing instrument 3 can be replaced the residence and state ceramic rod 5, and described ceramic rod 5 intraluminal described metal die 6 penetrable described obstructing instruments 3 also extend to the position of described pincers pipe device 23.When the described plyer 22 of described conveyer chain 21 drives outwards moves, the outer surface of the tight described metal die 6 of described pincers pipe device 23 pincers, thus described metal die 6 is pulled away in described ceramic rod 5, to finish the tube drawing operation.Therefore by the special-purpose drawbench of ceramic rod of the present utility model, can utilize the time saving and energy saving high-quality of mechanical device to carry out the drawing operation, and can guarantee that described ceramic rod 5 and described metal die 6 can not deform or damage.
More preferably, as shown in Figure 3, described pincers pipe device 23 comprises the pincers base 231 affixed with described plyer, but with described pincers base 231 hinged two jaws 232 of opening and closing each other.But a pair of described jaw 232 of opening and closing can be hinged each other, also can be articulated in described pincers base 231 simultaneously.When described metal die 6 arrives described jaw 232 positions, described jaw 232 can be under cylinder action vises described metal die 6 from the outside, by the tractive of 21 pairs of described plyers 22 of described conveyer chain, described metal die 6 is extracted from described ceramic rod 5 again.
Need to prove that described jaw 232 can adopt pneumatic control to clamp tight described metal die 6, also can adjust its axial location under the effect of cylinder, and described metal die 6 can be pulled out reposefully.
More preferably, as shown in Figure 2, described obstructing instrument 3 is provided with fluting 31, the face size of described fluting 31 is less than the external diameter of described ceramic rod 5, and greater than the external diameter of described metal die 6, so that the end face of described fluting 31 props up described ceramic rod 5, and allow described metal die 6 pass through, thereby make the described pincers pipe device 23 that is arranged on the described plyer 22 can vise described metal die 6.
Need to prove that the tube wall surface of the bottom of described fluting 31 and described metal die 6 is suitable.Replace described ceramic rod by its end surface, described metal die 6 is moved forward by described fluting 31 and along axis direction, between described obstructing instrument 3 and described pincers pipe device 23, pull out with being balanced.
Scheme as an alternative, described fluting 31 also can be a vestibule that penetrates described obstructing instrument 3 both ends of the surface, the diameter of described vestibule is less than the external diameter of described ceramic rod 5, and greater than the external diameter of described metal die 6, described ceramic rod 5 is replaced by the end face of described obstructing instrument 3, and described metal die 6 can be passed described vestibule, and is clamped by described jaw 232 and to fasten.
Need to prove that as optimal technical scheme, the setting that described obstructing instrument 3 and described pincers pipe device 23 can be formed a complete set of is to realize the tube drawing operation of many described metal die 6 of simultaneously operating.
Particularly, as shown in Figure 1, when the specification of described metal die 6 is big, 3 described obstructing instrument 3 of cover and described pincers pipe devices 23 can be set simultaneously; When described metal die 6 specifications hour, 5 cover or above described obstructing instrument 3 and described pincers pipe devices 23 can be set simultaneously.
More preferably, described drive unit 24 comprises DC servo motor 241, clutch 242, decelerator 243 and shaft coupling 244.
Described conveyer chain 21 comprises the wheel shaft 211 that is arranged at described chain-type drawing mechanism 2 two ends and is located at driving chain 212 between the described wheel shaft 211.
The main shaft of described DC servo motor 241 is connected with the power shaft of described decelerator 243 by described clutch 242, and the output shaft of described decelerator 243 is connected with described wheel shaft 211 by described shaft coupling 244.
Described plyer 22 is fixedlyed connected with described driving chain 212, makes described driving chain 212 can drive described plyer 22 and carries out horizontal reciprocating movement, and its connected mode can be by being threaded or other machineries mode that is connected is carried out.
Need to prove, adopt described DC servo motor 241 to drive described plyer 22 and carry out horizontal movement, can adjust the drawing dynamics in the tube drawing process on the one hand, prevent the described ceramic rod 6 of the excessive damage of pulling capacity, also can adjust pipe-pulling speed on the other hand, avoid the excessive face of frictional force between ceramic rod 5 described in the tube drawing process and the described metal die 6 to cause distortion or break.
Simultaneously, utilize the rotating function of described DC servo motor 31, can realize the straight line back and forth movement of described tube drawing car 22 quickly, conveniently carry out repetition drawing operation.
Need to prove, described driving chain 212 is two chains that be arranged in parallel, be separately positioned between described two wheel shafts 211, under the effect of described drive unit 24, Synchronous Transmission is to spur described plyer 22, can guarantee that power transmission is steadily balanced, guarantee the pulling capacity uniform and stable that described metal die 6 is subjected to, can level from described ceramic rod 5, extract evenly.
Particularly, when described DC servo motor 31 was just changeing, described plyer 22 drove described pincers pipe device 23 towards the direction motion away from described obstructing instrument 3, thereby described metal die 6 is extracted from the tube chamber of described ceramic rod 5; When described DC servo motor 31 reversed, described plyer 22 had been with described pincers pipe device 23 to reset, to realize working continuously of the described metal die 6 of drawing.
More preferably, described chain-type drawing mechanism 2 belows also are provided with the air lifter 41 of receiving pipe support 4 and being connected with described receipts pipe support 4.
Particularly, when described plyer 22 is extracted described metal die 6 from described ceramic rod 5 after, the described jaw 232 of described pincers pipe device 23 unclamps, described receipts pipe support 4 is raised to corresponding position to catch described metal die 6 under described air lifter 41 effects, dropping to described frame 1 below then unloads described metal die 6 down, and described ceramic rod 5 is still stayed outside the described obstructing instrument 3, and the described plyer 22 of last described DC servo motor 241 counter-rotating drives returns the origin-location and stops.
Need to prove, described pincers pipe device 23 and described receipts pipe support 4 adopt pneumatic control, not only make simple and convenient, and can realize contacting with the flexibility of described metal die 6, the described metal die of jaw 231 floating ground clampings makes it to have the self-correcting function as described, with the trickle shift variance on level or vertical direction in the compensation tube drawing process, make the tube drawing process steady, smooth and easy, avoid damaging described metal die 6.
Described obstructing instrument 3 preferred employing nonmetallic materials manufacturings can further be avoided in the tube drawing process, because the application of force is excessive, and the described ceramic rod 5 of contact jaw surface damage.
Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.