CN109834490B - Clamping fixture for chuck fixed jaw - Google Patents
Clamping fixture for chuck fixed jaw Download PDFInfo
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- CN109834490B CN109834490B CN201910267679.3A CN201910267679A CN109834490B CN 109834490 B CN109834490 B CN 109834490B CN 201910267679 A CN201910267679 A CN 201910267679A CN 109834490 B CN109834490 B CN 109834490B
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Abstract
The invention discloses a clamping fixture for a chuck fixed jaw, which relates to the technical field of hydraulic chuck production, and adopts the technical scheme that: the clamping device comprises a base, wherein a longitudinal clamping assembly and a transverse clamping assembly are arranged on the base; the longitudinal clamping assembly comprises a positioning block and a jacking mechanism which are longitudinally distributed on the base, and the jacking mechanism is used for jacking the positioning claw on the positioning block; the jacking mechanism comprises a mounting plate arranged on the base, a mounting seat arranged on the mounting plate and a jacking component arranged on the mounting seat; horizontal centre gripping subassembly includes along stopper and stop gear of transverse distribution on the base, stop gear including slide the limiting plate on the base, be used for driving the limiting plate support tightly decide the claw in spacing cylinder on the stopper. The fixed claw is clamped and positioned through the longitudinal clamping assembly and the transverse clamping assembly, so that the fixed claw is more convenient to clamp and disassemble, and the rack of the fixed claw is more convenient to process in a tooth forming mode.
Description
Technical Field
The invention relates to the technical field of hydraulic chuck production, in particular to a chuck jaw-fixing clamping tool.
Background
The hydraulic chuck is a clamp controlled by a hydraulic system and is used for clamping a workpiece on a main shaft of a numerical control lathe. The fixed jaw is an important component of the hydraulic chuck.
As shown in fig. 6, the stationary claw 26 includes a bottom plate 261, and two parallel racks 262 disposed on the bottom plate 261. When the rack of the fixed claw needs to be processed into teeth, the claw needs to be correspondingly clamped and fixed in processing equipment, and the design of the tool convenient for clamping and positioning the fixed claw is particularly important.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a chuck fixed jaw clamping tool which has the advantage of convenience in fixed jaw clamping.
In order to achieve the purpose, the invention provides the following technical scheme:
a chuck jaw-fixing clamping tool comprises a base, wherein a longitudinal clamping assembly and a transverse clamping assembly are arranged on the base; the longitudinal clamping assembly comprises a positioning block and a jacking mechanism which are longitudinally distributed on the base, and the jacking mechanism is used for jacking the positioning claw on the positioning block; the jacking mechanism comprises a mounting plate arranged on the base, a mounting seat arranged on the mounting plate and a jacking component arranged on the mounting seat; the end face of the mounting seat facing the positioning block is provided with a mounting groove, and the jacking component comprises a positioning rod connected in the mounting groove in a sliding manner and a positioning spring arranged in the mounting groove and used for pushing the positioning rod to jack the positioning claw on the positioning block; horizontal centre gripping subassembly includes along stopper and stop gear of transverse distribution on the base, stop gear including slide the limiting plate on the base, be used for driving the limiting plate support tightly decide the claw in spacing cylinder on the stopper.
Through the technical scheme, when the fixed jaw of the chuck is required to be clamped, the base is firstly placed in the processing equipment to be aligned, then the fixed jaw to be processed, which needs to be toothed, is placed to the longitudinal clamping assembly to be clamped, the fixed jaw is firstly abutted to the positioning rod along one end of the rack in the length direction, the other end of the fixed jaw is erected on the positioning block, the height of the positioning block is usually only higher than that of the base by 0.5-2cm, the fixed jaw is pressed in the direction of the oblique mounting seat, the positioning rod can be extruded by the fixed jaw to enable the positioning rod to overcome the elastic force of the positioning spring to move, the positioning rod moves towards the bottom of the mounting groove, and the end face of the fixed jaw, which is away from the rack, can be parallel and level. At the moment, the two hands are loosened, the positioning rod can push the positioning claws to abut against the positioning blocks under the elastic force of the positioning springs, and longitudinal clamping is realized. Then the piston rod of the limiting cylinder is controlled to move, and the limiting plate on the limiting cylinder is used for transversely pressing the fixed claw on the limiting block, so that the fixed claw is clamped and fixed on the mounting seat.
After the processing of the rack one-tenth tooth on the stationary dog finishes, the piston rod of earlier control spacing cylinder drives the limiting plate and removes, make the limiting plate no longer support tightly in stationary dog, then pass the stationary dog along the base to the mount pad direction through operating personnel, then will decide the claw and keep away from the one end of mount pad perk that makes progress, make the one end that the mount pad was kept away from to stationary dog be higher than the locating piece, then make the stationary dog move towards the direction of keeping away from the mount pad, the locating lever was followed the stationary dog and was removed to initial condition towards keeping away from the mounting groove bottom under positioning spring's effect this moment. Set up vertical centre gripping subassembly and horizontal centre gripping subassembly, press from both sides tightly the claw through cooperation between them for the centre gripping of claw is more convenient with the dismantlement, also makes the rack one-tenth tooth processing of claw more convenient.
Furthermore, a pressing assembly used for pressing the fixed claw on the base is further arranged on the base, and the pressing assembly comprises a hinge seat arranged on the base, a hinge rod hinged on the hinge seat, and a driving cylinder used for driving the hinge rod to turn over so as to press the fixed claw on the base; when driving actuating cylinder and driving the upset of hinge bar and make the hinge bar compress tightly on the bottom plate of deciding the claw, the one end that the base was kept away from to the hinge bar is less than the up end setting of deciding the claw rack.
Through the technical scheme, when the fixed jaw of chuck is clamped as required, after the clamping and positioning of the transverse clamping assembly, the piston rod of the driving cylinder arranged on the base extends out, the driving cylinder can drive the hinge rod to overturn along the hinge seat, so that the hinge rod is far away from one end of the driving cylinder to overturn downwards and compress on the bottom plate of the fixed jaw, the fixed jaw is compressed and fixed on the base, through the compression assembly, the fixed jaw can be further clamped and fixed, the fixed jaw is more stably positioned on the clamping tool, and the fixed jaw is more stably machined.
Furthermore, vertical centre gripping subassembly is provided with two tight mechanisms in top, and two tight mechanisms in top transversely distribute along the base, and two tight mechanisms in top distribute and lie in the both sides that compress tightly the subassembly.
Through the technical scheme, the jacking mechanisms are arranged on two sides of the pressing assembly, and when the fixed claw needs to be clamped and fixed, the two jacking mechanisms simultaneously prop against the fixed claw, so that the longitudinal clamping of the fixed claw is more stable; in addition, the hinge rod of the pressing assembly can be pressed between the two racks of the fixed claw, so that the whole positioning is more stable.
Further, the mount pad is the double-screw bolt, the axis perpendicular to locating piece of mount pad sets up towards the terminal surface of mounting panel, just mount pad threaded connection is on the mounting panel, and the one end that the locating piece was kept away from to the mount pad is provided with the clamping part.
Through above-mentioned technical scheme, when the tight power of supporting of tight mechanism in top needs to be adjusted, can twist the mount pad through the clamping part and rotate to make the mount pad remove along the axis direction of mount pad, make the distance between mount pad and the locating piece adjust, thereby can adjust the length that the positioning spring was impressed the deformation when using, thereby reach the effect of the tight power of supporting of adjusting the tight mechanism in top.
Furthermore, a positioning ring is arranged at one end of the positioning rod, which is far away from the positioning block, and a stop ring for limiting the positioning ring to be separated from the mounting groove is arranged on the mounting groove; and one end of the positioning rod, which is close to the positioning block, is provided with a contact.
Through above-mentioned technical scheme, set up holding ring and retainer ring for the removal of locating lever is more stable, has reduced the condition that the locating lever deviates from in the mounting groove, sets up to the contact, and rubber pad or plastic block when the conflict head can, through conflict head compression decide the claw, when deciding claw processing and having dismantled, after horizontal centre gripping subassembly is no longer the centre gripping, can directly pull the claw through upwards and make and decide the claw and break away from the base, has reduced the condition of locating lever fish tail decide claw lateral wall.
Furthermore, the limiting plate is arranged on the lateral wall of the fixed claw along the transverse direction, and one end of the limiting plate, which is far away from the fixed claw, is obliquely arranged along the horizontal direction; the base is further provided with a baffle, the baffle is arranged on one side, away from the fixed claw, of the limiting plate, one end, close to the limiting plate, of the baffle is obliquely arranged, and the inclined surface of the baffle is parallel to the inclined surface of the limiting plate; the axis of a piston rod of the limiting cylinder is arranged along the longitudinal direction, and a clamping plate is arranged on the piston rod of the limiting cylinder; the up end of limiting plate is provided with the joint groove that supplies cardboard card income location, and the joint groove is close to one side setting of spacing cylinder, still be provided with the spread groove that supplies spacing cylinder piston rod to pass and restrict the cardboard and pass through on the limiting plate, the joint groove is greater than the length setting of cardboard along horizontal length, the spread groove is greater than the diameter setting of spacing cylinder piston rod along horizontal length.
Through above-mentioned technical scheme, when needs spacing plate compression decide the claw, can drive the limiting plate through driving actuating cylinder and remove along the baffle, the limiting plate supports tightly in the baffle and is the slant removal along both supporting tight inclined planes, and the one end that the limiting plate is close to deciding the claw this moment can support tightly in the lateral wall realization horizontal location of deciding the claw. The connecting groove and the clamping groove can provide a space for the limiting plate to move relative to the air cylinder. The location cylinder can with decide the position setting of staggering of claw, when a plurality of frocks of needs are used side by side, can save the space of arranging.
Furthermore, the end face, far away from the mounting seat, of the baffle is provided with a butt plate, the base is provided with a groove, the groove is located below the limiting plate, and a tight spring used for tightly abutting the limiting plate on the butt plate is arranged in the groove.
Through the technical scheme, when the clamping fixture clamps the fixed jaw to perform tooth forming machining, scraps are easy to accumulate on the base, and when the scraps are located at the upper end face of the base, due to the blocking of parts of the transverse clamping assembly and the longitudinal clamping assembly, the observation is inconvenient, so that the scraps are easy to accumulate, and the scraps are too much to influence the movement of the limiting plate; the limiting plate is abutted tightly to the abutting plate above the abutting plate through the abutting spring to move, the reference surface of the limiting plate sliding is located above the abutting plate, the abutting plate is convenient to observe, and scrap iron above the reference surface is easy to clean, so that the whole tool is more convenient to use.
Furthermore, the end, close to the limiting plate, of the abutting spring is provided with an abutting block, the abutting block is arranged in the groove, and the end, far away from the abutting spring, of the abutting block abuts against the limiting plate.
Through above-mentioned technical scheme, set up and support tight piece, support tight piece and be located the recess, support tight piece and support the limiting plate through supporting tight spring and contradict on the limiting plate, when the limiting plate removed, the lower terminal surface of limiting plate can contradict and slide on supporting tight piece, has reduced the limiting plate and has direct to the spring conflict and lead to the limiting plate to remove the circumstances that produces and support tight spring bending deformation.
Furthermore, the end face, close to the limiting plate, of the abutting block is also provided with a guide strip, the guide strip is obliquely arranged along the horizontal direction, and the oblique direction of the guide strip is parallel to one end, far away from the fixed claw, of the limiting plate; and the limiting plate is provided with a guide groove for the guide strip to slide.
Through above-mentioned technical scheme, set up gib block and guide way, when spacing cylinder drove the limiting plate and removes, gib block and guide way can lead to the removal of limiting plate. When the limiting cylinder piston rod extends out, the limiting plate can be guided by the limiting plate, the abutting surfaces of the limiting plate and the baffle and the guide plate, so that the limiting plate abuts against the fixed claw; when the piston rod of spacing cylinder retracted, the conflict face of limiting plate and baffle can not lead the limiting plate, needs the manual limiting plate that moves of operating personnel, sets up gib block and guide way back, and the cooperation of gib block and guide way can directly drive the limiting plate and remove for the limiting plate is no longer contradicted on the stationary dog. The guide way sets up the lower terminal surface at the limiting plate for the notch sets up down, is difficult to appear iron fillings and piles up the condition in the guide way, makes the direction of gib block and guide way more stable.
Furthermore, 1-4 longitudinal clamping assemblies are arranged along the clamping direction of the transverse clamping assembly, through grooves are further formed in the base along the length direction, the through grooves are arranged between the positioning block and the jacking mechanism, and the through grooves are arranged close to the positioning block; the holding tank is further arranged on one side, close to the jacking mechanism, of the through groove, and the holding tank is arranged corresponding to the position of the longitudinal clamping assembly.
Through the technical scheme, one transverse clamping assembly can be matched with a plurality of longitudinal clamping assemblies for use, so that the number of the fixed claws which can be clamped by the tool at one time is more, the fixed claws are transversely arranged, the plurality of fixed claws can be simultaneously processed to form teeth, and the tool is more convenient to use. When vertical centre gripping subassembly is too much, carry out the centre gripping after fixed when horizontal centre gripping subassembly, cause the unstable condition of centre gripping easily.
In addition, the part of the fixed claw is provided with a protruding part protruding from one end of the clamping assembly, an accommodating groove and a through groove are formed, and the placing space of the fixed claw can be effectively provided, so that the tool is more convenient to use. In addition, when the rack of the fixed claw is processed by tooth forming, the scraps can be directly discharged into the through groove, the condition that the scraps are accumulated on the base is reduced, and the frequency of cleaning the base is slowed down.
Compared with the prior art, the invention has the beneficial effects that:
(1) the fixed claw is clamped and positioned by the longitudinal clamping assembly and the transverse clamping assembly through the matching of the longitudinal clamping assembly and the transverse clamping assembly, so that the fixed claw is more convenient to clamp and disassemble, and the rack of the fixed claw is more convenient to process in a tooth forming mode;
(2) the pressing assembly is arranged, so that the fixed claw can be further clamped and fixed, the fixed claw is positioned on the clamping tool more stably, and the tooth forming processing of the fixed claw is more stable;
(3) through setting up gib block and guide way, gib block and guide way can lead to the removal of limiting plate for the removal of limiting plate is more stable and convenient.
Drawings
FIG. 1 is an overall schematic view of an embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic structural view of a tightening unit according to an embodiment;
FIG. 4 is a schematic partial explosion view of an embodiment;
FIG. 5 is a schematic view showing a state of use of the embodiment;
fig. 6 is a schematic structural view of a stationary jaw in the related art.
Reference numerals: 1. a base; 2. a longitudinal clamping assembly; 21. positioning blocks; 22. a jacking mechanism; 221. mounting a plate; 222. a mounting seat; 223. a tightening member; 2231. positioning a rod; 2232. a positioning spring; 3. a lateral clamping assembly; 31. a limiting block; 32. a limiting mechanism; 321. a limiting plate; 322. a limiting cylinder; 4. a compression assembly; 41. a hinged seat; 42. a hinged lever; 43. a driving cylinder; 5. a clamping portion; 6. mounting grooves; 7. a positioning ring; 8. a baffle ring; 9. abutting against the contact; 10. a baffle plate; 11. clamping a plate; 12. a clamping groove; 13. connecting grooves; 14. a butt joint plate; 15. a groove; 16. the spring is tightly propped; 17. a propping block; 18. a guide strip; 19. a guide groove; 20. a through groove; 23. accommodating grooves; 24. fixing grooves; 25. a long groove; 26. fixing claws; 261. a base plate; 262. a rack.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Example (b):
a clamping tool for a chuck fixed jaw is shown in figures 1 and 5 and comprises a base 1, wherein the base 1 is rectangular. The length direction of the base 1 is horizontal, and the width direction of the base 1 is vertical. The base 1 is provided with a longitudinal clamping assembly 2, a transverse clamping assembly 3 and a pressing assembly 4. The number of the longitudinal clamping assemblies 2 is 1-4 along the length direction of the base 1, and three longitudinal clamping assemblies 2 are arranged in the embodiment. The transverse clamping assembly 3 is used for clamping and fixing the fixed claw 26 arranged in the longitudinal clamping assembly 2. The number setting that compresses tightly subassembly 4 and correspond vertical centre gripping subassembly 2 compresses tightly subassembly 4 and can compress tightly decide claw 26 on base 1, further strengthens the stability of frock centre gripping.
As shown in fig. 1 and 2, the longitudinal clamping assembly 2 includes a positioning block 21 and a tightening mechanism 22 longitudinally distributed on the base 1, the positioning block 21 is lower than the positioning claw 26, and the tightening mechanism 22 is used for tightening the positioning claw 26 on the positioning block 21. The tightening mechanism 22 includes a mounting plate 221 provided on the base 1, a mounting seat 222 provided on the mounting plate 221, and a tightening member 223 provided on the mounting seat 222. The mounting seat 222 is a stud, and an axis of the mounting seat 222 is perpendicular to an end surface of the positioning block 21 facing the mounting plate 221. The mounting seat 222 is screwed on the mounting plate 221, a clamping portion 5 is arranged at one end of the mounting seat 222, which is far away from the positioning block 21, and the clamping portion 5 can conveniently clamp the mounting seat 222, so that the mounting seat 222 is driven to rotate.
As shown in fig. 1 and 3, the mounting seat 222 has a mounting groove 6 opened on an end surface facing the positioning block 21, and the tightening member 223 includes a positioning rod 2231 slidably coupled in the mounting groove 6 and a positioning spring 2232 disposed in the mounting groove 6. The two ends of the positioning spring 2232 are respectively fixed to the bottom of the positioning rod 2231 and the bottom of the mounting groove 6, and the positioning spring 2232 can be used to push the positioning rod 2231 to tightly support the positioning claw 26 on the positioning block 21. The one end that locating piece 21 was kept away from to locating lever 2231 still is provided with holding ring 7, and the one end that mounting groove 6 is close to locating piece 21 is provided with fender ring 8, keeps off ring 8 and can supply locating lever 2231 to slide and pass, and the internal diameter that keeps off ring 8 is less than the external diameter setting of holding ring 7, keeps off ring 8 and can be used for restricting holding ring 7 and deviate from mounting groove 6.
One end of the positioning rod 2231 near the positioning block 21 is provided with a contact 9, and the contact 9 may be a rubber pad or a plastic block. The positioning rod 2231 presses the fixed claw 26 through the abutting contact 9, and when the fixed claw 26 is machined and disassembled, the fixed claw 26 can be separated from the base 1 directly by pulling the fixed claw 26 upwards, so that the condition that the positioning rod 2231 scratches the side wall of the fixed claw 26 is reduced.
When the fixed claw 26 needs to be clamped and positioned by the longitudinal clamping assembly 2, one end of the fixed claw 26 along the length direction of the rack 262 abuts against the abutting head 9 of the positioning rod 2231, and the other end is erected on the positioning block 21. Pressing the fixed claw 26 in the direction of the oblique mounting seat 222 enables the fixed claw 26 to extrude the positioning rod 2231 to enable the positioning rod 2231 to move against the elastic force of the positioning spring 2232, enables the positioning rod 2231 to move towards the bottom of the mounting groove 6 until the end face of the fixed claw 26 deviating from the rack 262 can be flush with the upper end face of the base 1 and just abut against the upper end face of the base 1. At this time, both hands are released, and the positioning rod 2231 can push the positioning claw 26 to abut against the positioning block 21 under the elastic force of the positioning spring 2232, so as to realize longitudinal clamping.
When the fixed claw 26 needs to be detached, an operator pushes the fixed claw 26 along the base 1 towards the mounting seat 222, then tilts one end of the fixed claw 26 away from the mounting seat 222 upwards, so that one end of the fixed claw 26 away from the mounting seat 222 is higher than the positioning block 21, then moves the fixed claw 26 towards the direction away from the mounting seat 222, and at the moment, the positioning rod 2231 moves towards the bottom of the mounting groove 6 away from the fixed claw 26 under the action of the positioning spring 2232 to the initial state so as to be used next time.
As shown in fig. 1 and 4, the transverse clamping assembly 3 includes a limiting block 31 and a limiting mechanism 32 which are transversely distributed on the base 1, and the limiting block 31 and the limiting mechanism 32 are respectively located at two sides of the longitudinal clamping assembly 2 along the length direction of the base 1. The limiting mechanism 32 comprises a limiting plate 321 sliding on the base 1 and a limiting cylinder 322 arranged on the base 1.
Limiting plate 321 sets up in deciding claw 26 along horizontal lateral wall, and the one end that limiting plate 321 kept away from deciding claw 26 is along the horizontal direction slope setting for wholly be the right trapezoid setting. The base 1 is further provided with a baffle 10, the baffle 10 is arranged on one side of the limiting plate 321 far away from the fixed claw 26, one end of the baffle 10 close to the limiting plate 321 is obliquely arranged, and the inclined surface of the baffle 10 is parallel to the inclined surface of the limiting plate 321.
As shown in fig. 4 and 5, the piston rod axis of the limit cylinder 322 is arranged along the longitudinal direction, and the limit cylinder 322 is arranged on one side of the fixed jaw 26 along the longitudinal direction. The piston rod of the limiting cylinder 322 is arranged towards the limiting plate 321, and the piston rod of the limiting cylinder 322 is provided with the clamping plate 11. The lower bottom of the limiting plate 321 is arranged near one end of the limiting cylinder 322, the upper end face of the limiting plate 321 is provided with a clamping groove 12 for clamping and positioning the clamping plate 11, and the clamping groove 12 is arranged near one side of the limiting cylinder 322. The limiting plate 321 is further provided with a connecting groove 13 for the piston rod of the limiting cylinder 322 to pass through and limiting the clamping plate 11 to pass through, the clamping groove 12 is arranged along the length of the transverse direction larger than the length of the clamping plate 11, and the connecting groove 13 is arranged along the diameter of the piston rod of the limiting cylinder 322 along the transverse direction.
The driving cylinder 43 can be used to drive the limiting plate 321 to move along the inclined surface of the baffle 10, so that the limiting plate 321 abuts against the limiting block 31 against the pawl 26. When the limiting plate 321 abuts against the baffle 10 and moves obliquely along the abutting inclined plane, the connecting groove 13 and the clamping groove 12 can provide a space for the limiting plate 321 to move relative to the cylinder.
As shown in fig. 4, the end surface of the baffle plate 10 away from the mounting seat 222 is provided with an abutting plate 14, and the abutting plate 14 is fixed on the baffle plate 10 by screws. The base 1 is provided with a groove 15, the groove 15 is located below the limiting plate 321, a resisting spring 16 is arranged in the groove 15, one end, close to the limiting plate 321, of the resisting spring 16 is also provided with a resisting block 17, the resisting block 17 is arranged in the groove 15, and one end, far away from the resisting spring 16, of the resisting block 17 is abutted to the limiting plate 321. The elastic force of the abutting spring 16 can be used to push the abutting block 17 to push the limiting plate 321 so that the limiting plate 321 abuts against the abutting plate 14.
The end face, close to the limiting plate 321, of the abutting block 17 is further provided with a guide strip 18, the guide strip 18 is obliquely arranged along the horizontal direction, and the oblique direction of the guide strip 18 is parallel to one end, far away from the fixed claw 26, of the limiting plate 321; the limiting plate 321 has a guide groove 19 on the end surface close to the abutting block 17, the guide groove 19 extends parallel to the guide bar 18, and when the limiting plate 321 moves under the pushing of the limiting cylinder 322, the guide groove 19 can be used for the guide bar 18 to slide.
When the limiting cylinder 322 drives the limiting plate 321 to move, the guide bar 18 and the guide groove 19 can guide the movement of the limiting plate 321. When the piston rod of the limiting cylinder 322 extends out, the limiting plate 321 can be guided by the limiting plate 321, the abutting surface of the baffle 10 and the guide plate, so that the limiting plate 321 abuts against the fixed claw 26. When the piston rod of the limiting cylinder 322 retracts, the limiting plate 321 cannot be guided by the interference surface of the limiting plate 321 and the baffle 10, and the limiting plate 321 can be guided by the cooperation of the guide strip 18 and the guide groove 19, so that the limiting plate 321 moves and does not interfere with the fixed claw 26 any more.
As shown in fig. 2 and 5, the pressing member 4 is disposed on one side of the fixed claw 26 in the longitudinal direction, and the pressing member 4 is disposed on the same side as the tightening mechanism 22. Every vertical centre gripping subassembly 2 all is provided with two tight mechanisms 22 in top, and two tight mechanisms 22 in top transversely distribute along base 1, and two tight mechanisms 22 in top distribute and lie in the both sides that compress tightly subassembly 4.
The pressing assembly 4 comprises a hinge base 41 arranged on the base 1, a hinge rod 42 hinged on the hinge base 41, and a driving cylinder 43 arranged on the base 1. The driving cylinder 43 is disposed on a side of the hinge base 41 away from the fixed jaw 26. The driving cylinder 43 is used for driving the hinge rod 42 to turn over so as to press the fixed claw 26 on the base 1, the fixing groove 24 is formed in the base 1, and the driving cylinder 43 is installed in the fixing groove 24. One end of the hinge rod 42, which is far away from the fixed claw 26, is provided with a long groove 25, and a piston rod of the driving cylinder 43 is hinged in the long groove 25 through a rotating rod. When the driving cylinder 43 turns the hinge rod 42 so that the hinge rod 42 presses against the bottom plate 261 of the fixed pawl 26, the rotating rod on the piston rod of the driving cylinder 43 can move along the elongated slot 25. Meanwhile, one end of the hinge rod 42 away from the base 1 is positioned between the two racks 262 of the fixed claw 26 and pressed against the bottom plate 261 of the fixed claw 26, and at this time, one end of the hinge rod 42 away from the base 1 is positioned lower than the upper end face of the racks 262 of the fixed claw 26.
As shown in fig. 1 and 5, when the fixed jaw 26 of the chuck needs to be clamped, after the transverse clamping assembly 3 is clamped and positioned, the piston rod of the driving cylinder 43 arranged on the base 1 extends out, the driving cylinder 43 can drive the hinge rod 42 to turn along the hinge seat 41, so that one end of the hinge rod 42, which is far away from the driving cylinder 43, turns downwards and presses the bottom plate 261 of the fixed jaw 26, the fixed jaw 26 is pressed and fixed on the base 1, the fixed jaw 26 can be further clamped and fixed through the pressing assembly 4, and the fixed jaw 26 is positioned on the clamping tool more stably, so that the tooth forming processing of the fixed jaw 26 is more stable.
As shown in fig. 1, a through groove 20 is further formed in the base 1 along the length direction, the through groove 20 is disposed between a positioning block 21 and a tightening mechanism 22, and the through groove 20 is disposed close to the positioning block 21; the through groove 20 is further provided with an accommodating groove 23 on one side close to the tightening mechanism 22, and the accommodating groove 23 is arranged corresponding to the position of the longitudinal clamping assembly 2.
The part decides claw 26 and deviates from the protruding bellying that is equipped with of one end meeting of centre gripping subassembly, sets up holding tank 23 and logical groove 20, can the effectual placing space who decides claw 26 that provides for the use of frock is more convenient. In addition, when the rack 262 of the fixed claw 26 is processed by gear forming, the scraps can be directly discharged into the through groove 20, thereby reducing the accumulation of the scraps on the base 1 and slowing down the frequency of cleaning the base 1
The working principle of the embodiment is as follows:
when the fixed claw 26 of chuck is needed to be clamped, firstly, the base 1 is placed to the processing equipment to be well, then the fixed claw 26 to be processed which needs to be toothed is placed to the longitudinal clamping component 2 to be clamped, at the moment, the fixed claw 26 is firstly abutted to the positioning rod 2231 along one end of the rack 262 in the length direction, the other end of the fixed claw is erected on the positioning block 21, the fixed claw 26 is pressed in the direction of the oblique installation seat 222, the abutting head 9 of the positioning rod 2231 can be extruded by the fixed claw 26, the positioning rod 2231 is made to overcome the elastic force of the positioning spring 2232 to move, the positioning rod 2231 moves towards the bottom of the installation groove 6, and the end face of the fixed claw 26 deviating from the rack 262 can be flush with the upper end face of the base 1 and just. At this time, both hands are released, and the positioning rod 2231 can push the positioning claw 26 to abut against the positioning block 21 under the elastic force of the positioning spring 2232, so as to realize longitudinal clamping.
Then the piston rod of the limiting cylinder 322 is controlled to move, and the fixed jaw 26 is pressed on the limiting block along the transverse direction through the limiting plate 321 on the limiting cylinder 322, so that the fixed jaw 26 is clamped and fixed on the mounting seat 222. After the transverse clamping assembly 3 is clamped and positioned, the piston rod of the driving cylinder 43 extends out, and the driving cylinder 43 can drive the hinge rod 42 to turn along the hinge seat 41, so that one end, away from the driving cylinder 43, of the hinge rod 42 turns downwards and is pressed on the bottom plate 261 of the fixed jaw 26, and the fixed jaw 26 is pressed and fixed on the base 1.
After the rack 262 on the fixed claw 26 is finished with teeth, the piston rod of the driving cylinder 43 is controlled to retract so that the hinge rod 42 is not pressed on the fixed claw 26, the piston rod of the limiting cylinder 322 is controlled to drive the limiting plate 321 to move, the limiting plate 321 is not abutted to the fixed claw 26, then the fixed claw 26 is pushed towards the mounting seat 222 along the base 1 by an operator, then one end of the fixed claw 26 far away from the mounting seat 222 is tilted upwards, one end of the fixed claw 26 far away from the mounting seat 222 is higher than the positioning block 21, then the fixed claw 26 moves towards the direction far away from the mounting seat 222, and the fixed claw 26 is detached, and at the moment, the positioning rod 2231 moves to the initial state towards the bottom of the mounting groove 6 along with the fixed claw 26 under the action of the positioning spring 2232.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (9)
1. The utility model provides a chuck stationary jaw centre gripping frock which characterized in that: the clamping device comprises a base (1), wherein a longitudinal clamping assembly (2) and a transverse clamping assembly (3) are arranged on the base (1);
the longitudinal clamping assembly (2) comprises positioning blocks (21) and a jacking mechanism (22) which are longitudinally distributed on the base (1), and the jacking mechanism (22) is used for jacking the positioning claws (26) on the positioning blocks (21); the jacking mechanism (22) comprises a mounting plate (221) arranged on the base (1), a mounting seat (222) arranged on the mounting plate (221), and a jacking component (223) arranged on the mounting seat (222); the end face, facing the positioning block (21), of the mounting seat (222) is provided with a mounting groove (6), and the jacking component (223) comprises a positioning rod (2231) connected in the mounting groove (6) in a sliding manner and a positioning spring (2232) arranged in the mounting groove (6) and used for pushing the positioning rod (2231) to jack the positioning claw (26) on the positioning block (21);
the transverse clamping assembly (3) comprises a limiting block (31) and a limiting mechanism (32) which are transversely distributed on the base (1), and the limiting mechanism (32) comprises a limiting plate (321) which slides on the base (1) and a limiting cylinder (322) which is used for driving the limiting plate (321) to abut against the fixed claw (26) on the limiting block (31);
the limiting plate (321) is arranged on the lateral wall of the fixed claw (26) along the transverse direction, and one end, far away from the fixed claw (26), of the limiting plate (321) is obliquely arranged along the horizontal direction; the base (1) is further provided with a baffle (10), the baffle (10) is arranged on one side, away from the fixed claw (26), of the limiting plate (321), one end, close to the limiting plate (321), of the baffle (10) is obliquely arranged, and the oblique plane of the baffle (10) is parallel to the oblique plane of the limiting plate (321); the axis of a piston rod of the limiting cylinder (322) is arranged along the longitudinal direction, and a clamping plate (11) is arranged on the piston rod of the limiting cylinder (322); the up end of limiting plate (321) is provided with and supplies cardboard (11) card to go into joint groove (12) of location, and joint groove (12) are close to one side setting of spacing cylinder (322), still be provided with on limiting plate (321) and supply spacing cylinder (322) piston rod to pass and restrict spread groove (13) that cardboard (11) passed through, joint groove (12) are greater than the length setting of cardboard (11) along horizontal length, spread groove (13) are greater than the diameter setting of spacing cylinder (322) piston rod along horizontal length.
2. The chuck jaw fixing and clamping tool of claim 1, which is characterized in that: the base (1) is further provided with a pressing assembly (4) for pressing the fixed claw (26) on the base (1), and the pressing assembly (4) comprises a hinge seat (41) arranged on the base (1), a hinge rod (42) hinged on the hinge seat (41), and a driving cylinder (43) for driving the hinge rod (42) to turn over so as to press the fixed claw (26) on the base (1); when the driving cylinder (43) drives the hinge rod (42) to overturn so that the hinge rod (42) is pressed on the bottom plate (261) of the fixed claw (26), one end, far away from the base (1), of the hinge rod (42) is lower than the upper end face of the rack (262) of the fixed claw (26).
3. The chuck jaw fixing and clamping tool of claim 2, characterized in that: the vertical clamping assembly (2) is provided with two jacking mechanisms (22), the two jacking mechanisms (22) are transversely distributed along the base (1), and the two jacking mechanisms (22) are distributed on two sides of the pressing assembly (4).
4. The chuck jaw fixing and clamping tool of claim 1, which is characterized in that: the mounting seat (222) is a stud, the axis of the mounting seat (222) is perpendicular to the end face, facing the mounting plate (221), of the positioning block (21), the mounting seat (222) is in threaded connection with the mounting plate (221), and a clamping portion (5) is arranged at one end, away from the positioning block (21), of the mounting seat (222).
5. The chuck jaw fixing and clamping tool of claim 4, wherein: a positioning ring (7) is arranged at one end of the positioning rod (2231) far away from the positioning block (21), and a retaining ring (8) for limiting the positioning ring (7) to be separated from the mounting groove (6) is arranged on the mounting groove (6); and one end of the positioning rod (2231) close to the positioning block (21) is provided with a contact abutting head (9).
6. The chuck jaw fixing and clamping tool of claim 1, which is characterized in that: the end face, far away from the mounting seat (222), of the baffle (10) is provided with a butting plate (14), a groove (15) is formed in the base (1), the groove (15) is located below the limiting plate (321), and a butting spring (16) used for butting the limiting plate (321) against the butting plate (14) is arranged in the groove (15).
7. The chuck jaw fixing and clamping tool of claim 6, wherein: one end, close to the limiting plate (321), of the abutting spring (16) is further provided with an abutting block (17), the abutting block (17) is arranged in the groove (15), and one end, far away from the abutting spring (16), of the abutting block (17) abuts against the limiting plate (321).
8. The chuck jaw fixing and clamping tool of claim 7, wherein: the end face, close to the limiting plate (321), of the abutting block (17) is further provided with a guide strip (18), the guide strip (18) is obliquely arranged along the horizontal direction, and the oblique direction of the guide strip (18) is parallel to one end, far away from the fixed claw (26), of the limiting plate (321); the limiting plate (321) is provided with a guide groove (19) for the guide strip (18) to slide.
9. The chuck jaw fixing and clamping tool of claim 1, which is characterized in that: 1-4 longitudinal clamping assemblies (2) are arranged along the clamping direction of the transverse clamping assembly (3), a through groove (20) is further formed in the base (1) along the length direction, the through groove (20) is arranged between a positioning block (21) and a jacking mechanism (22), and the through groove (20) is arranged close to the positioning block (21); an accommodating groove (23) is further formed in one side, close to the jacking mechanism (22), of the through groove (20), and the accommodating groove (23) is arranged in a position corresponding to the longitudinal clamping assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910267679.3A CN109834490B (en) | 2019-04-03 | 2019-04-03 | Clamping fixture for chuck fixed jaw |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910267679.3A CN109834490B (en) | 2019-04-03 | 2019-04-03 | Clamping fixture for chuck fixed jaw |
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| Publication Number | Publication Date |
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| CN109834490A CN109834490A (en) | 2019-06-04 |
| CN109834490B true CN109834490B (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910267679.3A Active CN109834490B (en) | 2019-04-03 | 2019-04-03 | Clamping fixture for chuck fixed jaw |
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| CN112743299B (en) * | 2020-12-30 | 2022-03-01 | 湖南兴天机械股份有限公司 | Multi-station machining method and equipment for intensive holes of rectangular rack |
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| CN115041978A (en) * | 2022-07-13 | 2022-09-13 | 宁德长盈新能源技术有限公司 | Automatic end plate processing frock of location |
| CN115837652B (en) * | 2023-01-03 | 2023-04-25 | 四川科跃热传电子有限公司 | Clamping device for riveting radiating fin |
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| CN109834490A (en) | 2019-06-04 |
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