CN209754048U - Modularization chuck - Google Patents
Modularization chuck Download PDFInfo
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- CN209754048U CN209754048U CN201920522555.0U CN201920522555U CN209754048U CN 209754048 U CN209754048 U CN 209754048U CN 201920522555 U CN201920522555 U CN 201920522555U CN 209754048 U CN209754048 U CN 209754048U
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Abstract
The embodiment of the utility model discloses modularization chuck relates to machining, welding and inspection and detects technical field. The clamping device comprises a chuck body and a workpiece clamping module, wherein the workpiece clamping module is fixedly connected with the chuck body, and a workpiece fixing mechanism for fixing a workpiece is arranged on the workpiece clamping module; the chuck body includes chuck body and body cover that rises, body cover and chuck body sealing connection that rises is equipped with chuck fastening hydraulic pressure chamber between chuck body and body cover that rises, and the chuck body is connected with the chuck booster mechanism with chuck fastening hydraulic pressure chamber intercommunication. Utilize chuck booster mechanism to increase the pressure of working medium such as hydraulic pressure oil in the chuck fastening hydraulic pressure chamber, the body rises the cover and rises and tightly fixes work piece clamping module, and the work piece passes through work piece fixed establishment to be fixed on work piece clamping module, and work piece clamping module rises the cover through the centre gripping and rises automatically and tightly fixedly, realizes automatic centering, and positioning accuracy is higher, does not have wearing and tearing moreover, and life is longer.
Description
Technical Field
The embodiment of the utility model provides a relate to machining, welding and inspection and detect technical field, concretely relates to modularization chuck.
background
In the field of machining, a workpiece must be fixed on a machine tool by using a clamp before being machined, and the workpiece must be accurately and stably installed. The current fixture for fixing the workpiece mainly comprises a common manual self-centering chuck and a rear-pull hydraulic self-centering chuck.
The common manual self-centering chuck has poor precision, the common repeated positioning precision is more than 0.03MM, and the inside of the chuck easily enters cutting objects, so that the chuck is not smooth in rotation, and the jaws need to be screwed out when being replaced, and then are screwed into new jaws at the same time. The repetition precision of the back-pull type hydraulic self-centering chuck is generally about 0.01MM, and when the clamping jaws are replaced, fastening screws need to be screwed off, the clamping jaws are taken down and pressed, and then the screws are screwed. And the above 2 chucks have sliding motion both at the time of clamping and unclamping, so that abrasion of the sliding surface occurs, thereby lowering the precision and shortening the service life.
In the welding and inspection industries, various workpieces are required to be reliably and efficiently fixed.
Disclosure of Invention
Therefore, the embodiment of the utility model provides a modularization chuck to solve among the prior art anchor clamps positioning accuracy low, life weak point, the easy card of clamp, change the jack catch and consume the problem that time is long.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
according to a first aspect of embodiments of the present invention, the modular chuck comprises a chuck body and a workpiece clamping module, wherein the workpiece clamping module is fixedly connected with the chuck body, and a workpiece fixing mechanism for fixing a workpiece is arranged on the workpiece clamping module; the chuck body includes chuck body and body cover that rises, body cover and chuck body sealing connection that rises is equipped with chuck fastening hydraulic pressure chamber between chuck body and body cover that rises, and the chuck body is connected with the chuck booster mechanism with chuck fastening hydraulic pressure chamber intercommunication.
Further, chuck pressure boost mechanism include chuck pressure boost bolt and chuck pressure boost plunger, set up the chuck plunger hole that communicates chuck fastening hydraulic pressure chamber on the chuck body, chuck pressure boost plunger sets up downtheholely at chuck plunger, chuck pressure boost bolt threaded connection is inboard in the outer end in chuck plunger hole.
Further, the workpiece fixing mechanism comprises a clamping expansion sleeve arranged on the inner side of the workpiece clamping module, the clamping expansion sleeve is connected with the workpiece clamping module in a sealing mode, a workpiece fixing hydraulic cavity is arranged between the workpiece clamping module and the clamping expansion sleeve, and a workpiece fixing pressurizing mechanism communicated with the workpiece fixing hydraulic cavity is arranged on the workpiece clamping module.
Furthermore, the inner side of the clamping expansion sleeve is provided with an antiskid projection.
Further, work piece clamping module on be equipped with the fixed hydraulic pressure chamber of sealed work piece that sets up, be equipped with the fixed booster mechanism of work piece that communicates the fixed hydraulic pressure chamber of work piece on the work piece clamping module, work piece fixed establishment includes wedge mechanism and work piece chuck, the fixed hydraulic pressure chamber of wedge mechanism intercommunication work piece, the middle part of work piece chuck is passed through the drawknot and is connected wedge mechanism, be equipped with the solid fixed ring of fixed work piece on the circumference of work piece chuck radially seted up a plurality of deformation grooves on the work piece chuck.
Furthermore, the wedge-shaped mechanism comprises a wedge-shaped plunger and a tensioning cone, a workpiece clamping plunger hole communicated with the workpiece fixing hydraulic cavity is formed in the workpiece clamping module, one end of the wedge-shaped plunger is inserted into the workpiece clamping plunger hole, the other end of the wedge-shaped plunger is matched with the conical surface of the tensioning cone, one end of the drawknot piece is connected with the tensioning cone, and the other end of the drawknot piece is connected with the workpiece chuck.
Further, work piece fixed establishment include fixed dabber, the front end of work piece centre gripping module is equipped with a thin wall drum, fixed dabber sets up in the thin wall drum, and thin wall drum front end and fixed dabber sealing connection, fixed dabber rear end and work piece centre gripping module fixed connection are equipped with the fixed hydraulic pressure chamber of work piece between thin wall drum and fixed dabber, be equipped with the fixed booster mechanism of work piece that feeds through the fixed hydraulic pressure chamber of work piece on the work piece centre gripping module.
further, the fixed booster mechanism of work piece include the fixed plunger of work piece and work piece fixing bolt, be equipped with the module plunger hole that feeds through the fixed hydraulic pressure chamber of work piece on the work piece centre gripping module, the fixed plunger of work piece sets up downtheholely at the module plunger, work piece fixing bolt threaded connection is inboard at the outer end in module plunger hole.
Further, the workpiece fixing mechanism comprises a fixing shaft, a locking shaft sleeve and butterfly spring pieces, the fixing shaft is fixed at the front end of the workpiece clamping module, the locking shaft sleeve is sleeved on the fixing shaft, the butterfly spring pieces are respectively arranged on the fixing shafts on two sides of the locking shaft sleeve, and a spring pressing mechanism for pressing the butterfly spring pieces is arranged at the front end of the fixing shaft.
Further, work piece centre gripping module front end be equipped with a fixed cover, work piece fixed establishment includes hollow spring toper cover and compresses tightly the thread bush, hollow spring toper cover sets up at fixed cover front end inboard, the front end inboard and the hollow spring toper cover rear portion outside of fixed cover are the conical surface, a plurality of deformation grooves have been seted up on the hollow spring toper cover, compress tightly the thread bush threaded connection in the fixed cover front end outside, and compress tightly the front end of thread bush and compress tightly the front end at the hollow spring toper cover.
The embodiment of the utility model provides a have following advantage:
the embodiment of the utility model provides an utilize chuck booster mechanism to increase the pressure of working medium such as chuck fastening hydraulic pressure intracavity hydraulic pressure oil, and then make the body cover that rises take place to warp, the body cover that rises and tightly fixes work piece clamping module, because the fixed work piece shape of centre gripping needs has a plurality of, so corresponding be equipped with a plurality of work piece clamping module, the work piece passes through work piece fixed establishment to be fixed on work piece clamping module, work piece clamping module rises through the centre gripping and overlaps automatic rising and tightly fixes, realize automatic centering, positioning accuracy is higher, and do not have wearing and tearing, and life is longer.
drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
fig. 1 is a schematic view of a modular chuck provided in embodiment 1 of the present invention;
Fig. 2 is a right side view of the modular chuck provided in embodiment 1 of the present invention;
3 FIG. 33 3 is 3 a 3 cross 3- 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 32 3; 3
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
FIG. 5 is an enlarged view of a portion of FIG. 3 at C;
Fig. 6 is a schematic structural diagram of a modular chuck provided in embodiment 2 of the present invention;
Fig. 7 is a longitudinal sectional view of a workpiece holding module according to embodiment 2 of the present invention along an axis;
Fig. 8 is an exploded view of a workpiece holding module according to embodiment 2 of the present invention;
fig. 9 is a schematic structural diagram of a modular chuck provided in embodiment 3 of the present invention;
Fig. 10 is a longitudinal sectional view of a workpiece holding module according to embodiment 3 of the present invention along an axis;
Fig. 11 is a schematic structural diagram of a modular chuck provided in embodiment 4 of the present invention;
Fig. 12 is a longitudinal sectional view of a workpiece holding module according to embodiment 4 of the present invention along an axis;
fig. 13 is a longitudinal sectional view of a workpiece holding module according to embodiment 5 of the present invention along an axis;
Fig. 14 is a schematic structural view of a conical sleeve of a hollow spring according to embodiment 5 of the present invention;
In the figure: 1-machine tool spindle 2-chuck body 3-workpiece clamping module 4-workpiece 5-chuck body 6-body expansion sleeve 7-chuck fastening hydraulic cavity 8-sealing ring 9-chuck pressurizing plunger 10-chuck pressurizing bolt 11-chuck plunger hole 12-clamping expansion sleeve 13-workpiece fixing hydraulic cavity 14-workpiece fixing plunger 15-workpiece fixing bolt 16-module plunger hole 17-anti-skidding bulge 18-sealing flange 19-wedge plunger 20-tensioning cone 21-draw bolt 22-draw nut 23-positioning disc 24-workpiece chuck 25-positioning pin 26-deformation groove 27-fixing mandrel 28-thin-wall cylinder 29-butterfly spring leaf 30-locking shaft sleeve 31-pressing sleeve 32 -a compression nut 33-a fixed shaft 34-a fixed sleeve 35-a hollow spring conical sleeve 36-a compression threaded sleeve.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Example 1
Referring to fig. 1, the modularized chuck comprises a chuck body 2 and a workpiece clamping module 3, the workpiece clamping module 3 is fixedly connected with the chuck body 2, a workpiece fixing mechanism for fixing a workpiece 4 is arranged on the workpiece clamping module 3, the chuck body 2 is used for being connected to a machine tool spindle 1, and the chuck body 2 is directly and fixedly connected with the machine tool spindle 1 through bolts.
Referring to fig. 2-4, chuck body 2 includes chuck body 5 and body cover 6 that rises, and body cover 6 and chuck body 5 sealing connection rise is equipped with chuck fastening hydraulic pressure chamber 7 between chuck body 5 and body cover 6 that rises, and chuck body 5 is connected with the chuck booster mechanism with chuck fastening hydraulic pressure chamber 7 intercommunication. The chuck supercharging mechanism of this embodiment includes chuck supercharging bolt 10 and chuck supercharging plunger 9, sets up the chuck plunger hole 11 that communicates chuck fastening hydraulic pressure chamber 7 on the chuck body 2, and chuck supercharging plunger 9 sets up in chuck plunger hole 11, and 10 threaded connection of chuck supercharging bolt are inboard in the outer end in chuck plunger hole 11.
Referring to fig. 5, the workpiece fixing mechanism includes a clamping expansion sleeve 12 disposed inside the workpiece clamping module 3, the clamping expansion sleeve 12 is hermetically connected to the workpiece clamping module 3, a workpiece fixing hydraulic chamber 13 is disposed between the workpiece clamping module 3 and the clamping expansion sleeve 12, and a workpiece fixing pressurizing mechanism communicating with the workpiece fixing hydraulic chamber 13 is disposed on the workpiece clamping module 3. For more firm fixation, the present embodiment is provided with an anti-slip protrusion 17 on the inner side of the clamping expansion sleeve 12. The workpiece fixing pressurization mechanism comprises a workpiece fixing plunger 14 and a workpiece fixing bolt 15, a module plunger hole 16 communicated with a workpiece fixing hydraulic cavity 13 is formed in the workpiece clamping module 3, the workpiece fixing plunger 14 is arranged in the module plunger hole 16, a sealing ring 8 is fixed on the circumference of the workpiece fixing plunger 14, and the workpiece fixing bolt 15 is in threaded connection with the inner side of the outer end of the module plunger hole 16.
The workpiece 4 in this embodiment is a cylinder, and can also be used for clamping a cylinder, the workpiece 4 is placed inside the clamping expansion sleeve 12, and the workpiece fixing bolt 15 is rotated to push the workpiece fixing plunger 14 to move in the module plunger hole 16, so that the pressure of working media such as hydraulic oil in the workpiece fixing hydraulic chamber 13 is increased, and the clamping expansion sleeve 12 is deformed to clamp the workpiece 4. In the body cover 6 that rises is put into to work piece centre gripping module 3, rotating chuck pressure boost bolt 10, promoting chuck pressure boost plunger 9 and removing in chuck plunger hole 11, the working medium pressure such as hydraulic pressure in the chuck fastening hydraulic pressure chamber 7 increases, and then makes the body cover 6 that rises press from both sides tight work piece centre gripping module 3, realizes that self-centering is fixed, and positioning accuracy is higher, does not have wearing and tearing moreover, and life is longer.
Example 2
Referring to fig. 6 to 8, the workpiece clamping module 3 of the present embodiment is provided with a workpiece fixing hydraulic chamber 13 which is hermetically arranged, and a sealing flange 18 which seals the workpiece fixing hydraulic chamber 13 is disposed at the rear side of the workpiece clamping module 3. The workpiece clamping module 3 is provided with a workpiece fixing pressurizing mechanism communicated with the workpiece fixing hydraulic cavity 13, the workpiece fixing mechanism comprises a wedge-shaped mechanism and a workpiece chuck 24, the wedge-shaped mechanism is communicated with the workpiece fixing hydraulic cavity 13, the middle part of the workpiece chuck 24 is connected with the wedge-shaped mechanism through a pulling piece, the front side of the workpiece clamping module 3 is fixed with a positioning disc 23, the workpiece chuck 24 is connected with the positioning disc 23 through a positioning pin 25, the diameter of the positioning pin 25 is smaller than that of a positioning hole in the workpiece chuck 24, and the workpiece chuck 24 can move and deform in a certain mode relative to the positioning pin 25. A fixing ring for fixing the workpiece 4 is provided on the circumference of the workpiece chuck 24, the workpiece 4 is fixed inside the fixing ring, and a plurality of deformation grooves 26 are radially provided in the workpiece chuck 24. The structure of the chuck body 2 and the structure of the workpiece fixing pressurizing mechanism in this embodiment are the same as those in embodiment 1, and are not described herein again.
The wedge-shaped mechanism comprises a wedge-shaped plunger 19 and a tensioning cone 20, a workpiece clamping plunger hole communicated with the workpiece fixing hydraulic cavity 13 is formed in the workpiece clamping module 3, one end of the wedge-shaped plunger 19 is inserted into the workpiece clamping plunger hole, the other end of the wedge-shaped plunger 19 is matched with the conical surface of the tensioning cone 20, one end of a drawknot piece is connected with the tensioning cone 20, and the other end of the drawknot piece is connected with the workpiece chuck 24. The drawknot in the embodiment comprises a drawknot bolt 21 and a drawknot nut 22. the drawknot bolt 21 passes through a workpiece chuck 24 and a tension cone 20 from front to back and then is connected with the drawknot nut 22.
Thereby it removes in module plunger hole 16 to promote work piece fixed plunger 14 through rotatory work piece fixing bolt 15, make the working medium pressure such as hydraulic oil in the fixed hydraulic pressure chamber of work piece 13 increase, and then promote wedge plunger 19 to the outside removal of work piece clamping plunger hole, wedge plunger 19 further promotes taut cone 20 and removes to the rear side, taut cone 20 drives work piece chuck 24 through drawknot bolt 21 and removes to the rear side, work piece 4 is placed at work piece chuck 24's solid fixed ring inboard, work piece chuck 24 takes place certain deformation to the in-process of rear side removal, deformation groove 26 runs through solid fixed ring, gu fixed ring's diameter reduces, and then presss from both sides tight work piece 4. The workpiece holding module 3 of the present embodiment can hold a disc or a ring having a small length very conveniently.
Example 3
Referring to fig. 9 to 10, in this embodiment, the workpiece fixing mechanism of the workpiece clamping module 3 includes a fixing mandrel 27, a thin-wall cylinder 28 is disposed at the front end of the workpiece clamping module 3, the fixing mandrel 27 is disposed in the thin-wall cylinder 28, the front end of the thin-wall cylinder 28 is hermetically connected to the fixing mandrel 27, the rear end of the fixing mandrel 27 is fixedly connected to the workpiece clamping module 3, a workpiece fixing hydraulic cavity 13 is disposed between the thin-wall cylinder 28 and the fixing mandrel 27, and a workpiece fixing pressurizing mechanism communicating with the workpiece fixing hydraulic cavity 13 is disposed on the workpiece clamping module 3. The workpiece 4 is sleeved on the outer side of the thin-wall cylinder 28, the thickness of the thin-wall cylinder 28 is selected according to requirements, and the thickness of the thin-wall cylinder 28 in the embodiment is 1-5 mm.
The workpiece fixing pressurization mechanism comprises a workpiece fixing plunger 14 and a workpiece fixing bolt 15, a module plunger hole 16 communicated with the workpiece fixing hydraulic cavity 13 is formed in the workpiece clamping module 3, the workpiece fixing plunger 14 is arranged in the module plunger hole 16, and the workpiece fixing bolt 15 is in threaded connection with the inner side of the outer end of the module plunger hole 16.
Thereby it removes in module plunger hole 16 to promote work piece fixed plunger 14 through rotatory work piece fixing bolt 15 for working medium pressure such as hydraulic pressure oil in the fixed hydraulic pressure chamber of work piece 13 increases, and then promotes thin-walled cylinder 28 and warp to the outside, and thin-walled cylinder 28 rises and tightly fixes work piece 4, and work piece clamping module 3 in this embodiment can make things convenient for the inner wall of centre gripping cylindrical work piece 4 very much, does not hinder and processes the outer wall of work piece 4.
Example 4
Referring to fig. 11 to 12, the workpiece fixing mechanism in this embodiment includes a fixing shaft 33, a locking shaft sleeve 30 and a butterfly spring plate 29, the fixing shaft 33 is fixed at the front end of the workpiece clamping module 3, the locking shaft sleeve 30 is sleeved on the fixing shaft 33, the fixing shafts 33 at two sides of the locking shaft sleeve 30 are respectively provided with the butterfly spring plate 29, and the front end of the fixing shaft 33 is provided with a spring pressing mechanism for pressing the butterfly spring plate 29. The spring pressing mechanism in this embodiment includes a pressing sleeve 31 and a pressing nut 32, the pressing sleeve 31 is sleeved on the front end of the fixing shaft 33, and the pressing nut 32 is connected to the fixing shaft 33 on the front side of the pressing sleeve 31. In this embodiment, two bowtie springs 29 are disposed on each side of the locking sleeve 30, and the two bowtie springs 29 are arranged in a V-shape in opposite directions, so as to provide a larger clamping force. In order to further facilitate the deformation of the disc spring piece 29, a plurality of deformation grooves 26 are formed in the disc spring piece 29.
After the compression nut 32 is rotated, the compression sleeve 31 presses the locking shaft sleeve 30 and the butterfly spring piece 29 towards the rear side, the butterfly spring piece 29 deforms after being pressed, the diameter of the butterfly spring piece 29 is increased, and therefore the butterfly spring piece is clamped on the inner walls of the two ends of the workpiece 4, the workpiece 4 is firmly fixed, the cylindrical workpiece 4 can be very conveniently clamped, and the outer wall of the workpiece 4 is not hindered to be processed.
example 5
referring to fig. 13 to 14, in the present embodiment, a fixing sleeve 34 is disposed at the front end of the workpiece clamping module 3, the workpiece fixing mechanism includes a hollow spring taper sleeve 35 and a pressing thread sleeve 36, the hollow spring taper sleeve 35 is disposed at the front end inner side of the fixing sleeve 34, the front end inner side of the fixing sleeve 34 and the rear end outer side of the hollow spring taper sleeve 35 are tapered surfaces, a plurality of deformation grooves 26 are disposed on the hollow spring taper sleeve 35, the pressing thread sleeve 36 is in threaded connection with the front end outer side of the fixing sleeve 34, and the front end of the pressing thread sleeve 36 is pressed at the front end of the hollow spring taper sleeve 35. One end of the workpiece 4 is fixed inside the hollow spring conical sleeve 35.
the hollow spring taper sleeve 35 is pushed to move towards the inner side of the fixed sleeve 34 after the threaded sleeve 36 is pressed in a rotating mode, because the inner side of the front end of the fixed sleeve 34 and the outer side of the rear portion of the hollow spring taper sleeve 35 are conical surfaces, a plurality of deformation grooves 26 are formed in the hollow spring taper sleeve 35, the hollow spring taper sleeve 35 deforms in the process of moving towards the inner side of the fixed sleeve 34, the inner diameter of the hollow spring taper sleeve is reduced, and therefore the workpiece 4 is clamped and fixed.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A modular chuck, characterized by: the modularized chuck comprises a chuck body (2) and a workpiece clamping module (3), wherein the workpiece clamping module (3) is fixedly connected with the chuck body (2), and a workpiece fixing mechanism for fixing a workpiece (4) is arranged on the workpiece clamping module (3); chuck body (2) rise cover (6) including chuck body (5) and body, the body rises cover (6) and chuck body (5) sealing connection, rises at chuck body (5) and body and is equipped with chuck fastening hydraulic pressure chamber (7) between cover (6), and chuck body (5) are connected with the chuck booster mechanism who communicates with chuck fastening hydraulic pressure chamber (7).
2. The modular chuck as set forth in claim 1, wherein: chuck booster mechanism include chuck pressure boost bolt (10) and chuck pressure boost plunger (9), set up chuck plunger hole (11) that communicate chuck fastening hydraulic pressure chamber (7) on chuck body (2), chuck pressure boost plunger (9) set up in chuck plunger hole (11), chuck pressure boost bolt (10) threaded connection is inboard in the outer end in chuck plunger hole (11).
3. The modular chuck as set forth in claim 1, wherein: the workpiece fixing mechanism comprises a clamping expansion sleeve (12) arranged on the inner side of a workpiece clamping module (3), the clamping expansion sleeve (12) is connected with the workpiece clamping module (3) in a sealing mode, a workpiece fixing hydraulic cavity (13) is arranged between the workpiece clamping module (3) and the clamping expansion sleeve (12), and a workpiece fixing pressurizing mechanism for communicating the workpiece fixing hydraulic cavity (13) is arranged on the workpiece clamping module (3).
4. The modular chuck of claim 3, wherein: the inner side of the clamping expansion sleeve (12) is provided with an antiskid bulge (17).
5. The modular chuck as set forth in claim 1, wherein: workpiece clamping module (3) on be equipped with the fixed hydraulic pressure chamber of work piece (13) of sealed setting, be equipped with the fixed booster mechanism of work piece that communicates the fixed hydraulic pressure chamber of work piece (13) on workpiece clamping module (3), work piece fixed establishment includes wedge mechanism and work piece chuck (24), wedge mechanism communicates the fixed hydraulic pressure chamber of work piece (13), the middle part of work piece chuck (24) is through drawknot spare connection wedge mechanism, be equipped with the solid fixed ring of fixed work piece (4) on the circumference of work piece chuck (24) radially seted up a plurality of deformation grooves (26) on work piece chuck (24).
6. The modular chuck of claim 5, wherein: the wedge-shaped mechanism comprises a wedge-shaped plunger (19) and a tensioning cone (20), a workpiece clamping plunger hole communicated with a workpiece fixing hydraulic cavity (13) is formed in the workpiece clamping module (3), one end of the wedge-shaped plunger (19) is inserted into the workpiece clamping plunger hole, the other end of the wedge-shaped plunger (19) is matched with a conical surface of the tensioning cone (20), one end of the drawknot piece is connected with the tensioning cone (20), and the other end of the drawknot piece is connected with the workpiece chuck (24).
7. The modular chuck as set forth in claim 1, wherein: work piece fixed establishment include fixed dabber (27), the front end of work piece centre gripping module (3) is equipped with a thin wall drum (28), fixed dabber (27) set up in thin wall drum (28), and thin wall drum (28) front end and fixed dabber (27) sealing connection, fixed dabber (27) rear end and work piece centre gripping module (3) fixed connection are equipped with the fixed hydraulic pressure chamber of work piece (13) between thin wall drum (28) and fixed dabber (27), be equipped with the fixed booster mechanism of work piece that communicates the fixed hydraulic pressure chamber of work piece (13) on work piece centre gripping module (3).
8. The modular chuck as in claim 3, 5 or 7, wherein: the fixed booster mechanism of work piece include work piece fixed plunger (14) and work piece fixing bolt (15), be equipped with module plunger hole (16) that communicate fixed hydraulic pressure chamber of work piece (13) on work piece centre gripping module (3), work piece fixed plunger (14) set up in module plunger hole (16), work piece fixing bolt (15) threaded connection is inboard at the outer end in module plunger hole (16).
9. The modular chuck as set forth in claim 1, wherein: the workpiece fixing mechanism comprises a fixing shaft (33), a locking shaft sleeve (30) and butterfly spring pieces (29), the fixing shaft (33) is fixed at the front end of the workpiece clamping module (3), the locking shaft sleeve (30) is sleeved on the fixing shaft (33), the butterfly spring pieces (29) are arranged on the fixing shaft (33) on two sides of the locking shaft sleeve (30) respectively, and a spring pressing mechanism for pressing the butterfly spring pieces (29) is arranged at the front end of the fixing shaft (33).
10. The modular chuck as set forth in claim 1, wherein: workpiece clamping module (3) front end be equipped with a fixed cover (34), workpiece fixing mechanism includes hollow spring taper sleeve (35) and compresses tightly thread bush (36), hollow spring taper sleeve (35) set up at fixed cover (34) front end inboard, the front end inboard and the hollow spring taper sleeve (35) rear portion outside of fixed cover (34) are the conical surface, a plurality of deformation grooves (26) have been seted up on hollow spring taper sleeve (35), compress tightly thread bush (36) threaded connection in fixed cover (34) front end outside, and compress tightly the front end of thread bush (36) and compress tightly the front end at hollow spring taper sleeve (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920522555.0U CN209754048U (en) | 2019-04-17 | 2019-04-17 | Modularization chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920522555.0U CN209754048U (en) | 2019-04-17 | 2019-04-17 | Modularization chuck |
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| Publication Number | Publication Date |
|---|---|
| CN209754048U true CN209754048U (en) | 2019-12-10 |
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| CN201920522555.0U Active CN209754048U (en) | 2019-04-17 | 2019-04-17 | Modularization chuck |
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| CN (1) | CN209754048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894643A (en) * | 2019-04-17 | 2019-06-18 | 上海建盛机械配件有限公司 | A kind of modularization chuck |
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2019
- 2019-04-17 CN CN201920522555.0U patent/CN209754048U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894643A (en) * | 2019-04-17 | 2019-06-18 | 上海建盛机械配件有限公司 | A kind of modularization chuck |
| CN109894643B (en) * | 2019-04-17 | 2024-02-27 | 上海建盛机械配件有限公司 | Modularized chuck |
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