CN221088003U

CN221088003U - Clamping device for lathe suitable for workpieces with multiple sizes

Info

Publication number: CN221088003U
Application number: CN202322765706.4U
Authority: CN
Inventors: 罗成; 朱明�; 陈生
Original assignee: Jiangsu Anton Precision Machinery Manufacturing Co ltd
Current assignee: Jiangsu Anton Precision Machinery Manufacturing Co ltd
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-06-07
Anticipated expiration: 2033-10-16

Abstract

The utility model discloses a clamping device for a lathe suitable for workpieces with various sizes, which particularly relates to the technical field of clamping devices, and comprises a lathe, wherein the top of the lathe is connected with a clamping mechanism through an adjusting mechanism; through fixture, applicable different size specification's work piece, application scope is bigger.

Description

Clamping device for lathe suitable for workpieces with multiple sizes

Technical Field

The utility model relates to the technical field of clamping devices, in particular to a clamping device for a lathe, which is suitable for workpieces with multiple sizes.

Background

The hollow shaft is characterized in that a through hole is formed in the center of the shaft body, an inner key groove is formed in the through hole, a stepped cylinder is machined on the outer surface of the shaft body, and an outer key groove is formed in the shaft body. The hollow shaft occupies a larger space volume, but the weight can be reduced; according to the material mechanics analysis, when the rotating shaft transmits torque, the more the external place is seen from the radial section, the more the effect of transmitting effective torque is. When the rotating shaft needs to transmit larger torque, a larger shaft diameter is needed. The torque transmission at the axle center is small, so that the hollow structure is generally adopted to reduce the dead weight of the rotating shaft. When the hollow shaft is machined, the hollow shaft is clamped and fixed on a machine tool through a clamping device, and then the hollow shaft is correspondingly machined, such as grinding.

The utility model provides a patent of publication number CN215280894U discloses a clamping device for car hollow shaft processing lathe, including the lathe body, lathe body top is equipped with the grip post, and grip post top symmetry is equipped with two grip bars, and the grip post inner wall is equipped with first impeller block, and first impeller block passes through impeller post and grip post swing joint, and the impeller post passes through electric telescopic handle and grip post swing joint, and grip post outer wall symmetry is equipped with two first grip plates, promotes the first trapezoidal impeller block of post outer wall. The device can clamp and fix the hollow shaft in multiple ways, the hollow shaft can be clamped and fixed from the top through the clamping strip, the connecting component, the first pushing block, the pushing column and the electric telescopic rod, and the hollow shaft can be clamped and fixed from the inside through the first clamping plate, the first moving block and the first trapezoidal pushing block, so that the stability of the device for clamping and fixing the hollow shaft is improved.

The clamping device for machining the hollow shaft of the automobile can clamp and fix the hollow shaft in multiple directions, and the angle of the hollow shaft is required to be adjusted in the machining process of the hollow shaft so as to meet the machining requirement, but the angle of the clamping device cannot be adjusted according to the requirement, so that the clamping device is inconvenient to use, and the clamping mechanism is complex.

Disclosure of utility model

The present utility model is directed to a clamping device for a lathe suitable for workpieces of various sizes, which solves the problems set forth in the background art.

In order to solve the technical problems, the utility model provides the following technical scheme: clamping device for lathe suitable for multi-size work piece, including the lathe, the lathe top is connected with fixture through adjustment mechanism, fixture includes the grip slipper, a plurality of spout has been seted up to grip slipper top symmetry, be equipped with the slide bar in the spout, slide bar outside cover is equipped with the slider, the slider top is equipped with splint, slider bottom is connected with the sliding sleeve through connecting rod one, the lead screw is installed in the grip slipper rotation, the lead screw outside is located to connecting rod one cover, and connecting rod one and lead screw threaded connection, adjustment mechanism includes the pivot, and the pivot rotates and install in the lathe top, the pivot upper end is connected with the connector through the bulb rotation, connector and grip slipper bottom fixed connection, the cover is equipped with the adapter sleeve in the pivot outside, the adapter sleeve passes through connecting rod two and grip slipper swing joint.

Further, adjustment mechanism still includes the inserted bar, the inserted bar sets up in the adapter sleeve and keeps away from two sides of connecting rod, inserted bar one end is connected with the pull handle, and the inserted bar other end inserts in the slot that pivot lateral wall was seted up, the slot is equipped with a plurality of, the inserted bar outside is equipped with spring one in the cover between pull handle and adapter sleeve, the pivot lower extreme outside is equipped with the gear in the lathe endotheca, gear one side is equipped with the stopper, and stopper one end inserts between the adjacent tooth on the gear, the stopper is kept away from gear one side and has been seted up the cavity, and the cavity is close to gear one side and has been seted up the holding tank with stopper looks adaptation, stopper one end is connected with branch in the holding tank, branch one end is in the cavity in-connection has the baffle, the branch outside is equipped with spring two in the cavity endotheca, branch one side is kept away from to the baffle is equipped with solid fixed ring, gu be equipped with the bolt in the fixed ring, and the bolt lower extreme inserts in the jack that the cavity bottom was seted up, the bolt upper end is connected with the pull ring in the lathe top, through the adjustment mechanism who is equipped with, makes it can conveniently carry out front and back left and right direction inclination to the hollow shaft of centre gripping to satisfy the needs, and more convenient to use.

Further, fixture still includes the bull stick, the bull stick rotates to be installed in the grip slipper bottom, and bull stick one end is connected with the handle in the grip slipper outside, bull stick one end outer wall cover is equipped with bevel gear two, the outside cover of lead screw is equipped with the bevel gear one with bevel gear two-phase engagement, through fixture, makes it can synchronous adjustment splint to relative outside or inboard direction motion, can be fixed the hollow shaft centre gripping of cover in the splint outside with the cover, makes the work piece centre gripping of its adaptation not unidimensional size fixed use.

Furthermore, the two ends of the connecting rod II are respectively connected with the bottom of the clamping seat and the connecting sleeve in a hinged mode, the two ends of the spring I are respectively connected with the connecting sleeve and the pull handle in a fixed mode so as to support the clamping seat, and meanwhile the elastic force of the spring I is used for acting on the inserting rod to be inserted into the corresponding inserting groove, limiting of the connecting sleeve is achieved, and the clamping seat can be fixed.

Further, slider and slide bar sliding connection, splint are the arc form, and splint all are equipped with the rubber pad relative lateral wall, the both ends of connecting rod one are articulated with slider and sliding sleeve respectively and are connected, the sliding sleeve passes through screw-nut and lead screw threaded connection to the adaptation is different specification work pieces use, can four splint removal of synchronous drive.

Further, the section of the limiting block is triangular, the limiting block is matched with the gear, and two ends of the second spring are fixedly connected with the baffle plate and the inner wall of the cavity respectively so as to limit and fix the gear.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, through the adjusting mechanism, the pull handle is pulled to drive the inserted bar to move out of the slot, then the connecting sleeve is slid up and down to drive the connecting rod II, so that the clamping seat is pushed or pulled to incline leftwards or rightwards around the ball head, the angle adjustment is realized, the rotating shaft is rotated to drive the gear and the clamping seat to rotate, meanwhile, the gear can squeeze the limiting block and push the limiting block into the accommodating slot, meanwhile, the limiting block pushes the supporting rod to drive the baffle plate to stretch the spring II, after the limiting block rotates to a proper position, the pin can be inserted into the fixing ring to be fixed, and the angle adjustment of the clamping seat in a circumferential direction can be realized, so that the processing requirement is met, the use is convenient, and the practicability is stronger;

2. According to the clamping mechanism, the rotary rod can be twisted to drive the bevel gear II and the bevel gear to drive the screw rod to rotate, and the sliding sleeve can be driven to move up and down, so that the clamping plate is driven to move by the sliding block driven by the connecting rod I, and a workpiece can be fixed, so that the workpiece clamping mechanism is convenient to process and use, and is applicable to workpieces with different sizes.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a partial top view of a holder of the present utility model;

FIG. 3 is a schematic view of the structure between the gear and the stopper of the present utility model;

FIG. 4 is a schematic structural view of a sliding sleeve according to the present utility model;

In the figure: 1. a machine tool; 2. a clamping seat; 3. a screw rod; 4. bevel gears I; 5. bevel gears II; 6. a rotating rod; 7. a slide bar; 8. a slide block; 9. a clamping plate; 10. a first connecting rod; 11. a sliding sleeve; 12. a rotating shaft; 13. ball head; 14. a connector; 15. connecting sleeves; 16. a second connecting rod; 17. a rod; 18. a pull handle; 19. a first spring; 20. a gear; 21. a limiting block; 22. a support rod; 23. a baffle; 24. a second spring; 25. a fixing ring; 26. a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The clamping device for the lathe suitable for the multi-size workpieces, as shown in fig. 1-4, comprises a machine tool 1, the top of the machine tool 1 is connected with a clamping mechanism through an adjusting mechanism, the clamping mechanism comprises a clamping seat 2, a plurality of sliding grooves are symmetrically formed in the top of the clamping seat 2, sliding rods 7 are arranged in the sliding grooves, sliding blocks 8 are sleeved outside the sliding rods 7, clamping plates 9 are arranged at the tops of the sliding blocks 8, sliding sleeves 11 are connected to the bottoms of the sliding blocks 8 through first connecting rods 10, a screw rod 3 is rotatably installed in the clamping seat 2, the first connecting rods 10 are sleeved outside the screw rod 3, the first connecting rods 10 are in threaded connection with the screw rod 3, the adjusting mechanism comprises a rotating shaft 12, the rotating shaft 12 is rotatably installed at the top of the machine tool 1, the upper end of the rotating shaft 12 is rotatably connected with a connector 14 through a ball head 13, the connector 14 is fixedly connected with the bottom of the clamping seat 2, connecting sleeves 15 are sleeved outside the rotating shaft 12, and the connecting sleeves 15 are movably connected with the clamping seat 2 through second connecting rods 16.

In this example, adjustment mechanism still includes inserted bar 17, inserted bar 17 sets up in adapter sleeve 15 keeps away from connecting rod two 16 one side, inserted bar 17 one end is connected with pull handle 18, and the other end of inserted bar 17 inserts in the slot that pivot 12 lateral wall was seted up, the slot is equipped with a plurality of, the outside of inserted bar 17 is equipped with spring one 19 in the cover between pull handle 18 and adapter sleeve 15, the lower extreme outside of pivot 12 is equipped with gear 20 in lathe 1, gear 20 one side is equipped with stopper 21, and stopper 21 one end inserts between the adjacent tooth on gear 20, the cavity has been seted up on one side of stopper 21 far away from gear 20, and the cavity is close to gear 20 one side and has been seted up the holding tank with stopper 21 looks adaptation, stopper 21 one end is connected with branch 22 in the holding tank, branch 22 one end is in cavity in-connection baffle 23, branch 22 outside is equipped with spring two 24 in the cavity endotheca, branch 22 one side is kept away from to baffle 23 is equipped with solid fixed ring 25, guy is equipped with bolt 26 in the solid fixed ring 25, and the jack that the bottom of bolt 26 inserts in the cavity bottom was seted up, the jack that the cavity top is connected with the pull ring 1, through the adjustment mechanism who is equipped with, it can conveniently carry out the left and right sides the hollow shaft angle to satisfy, the angle is adjusted in order to be more practical, the practicality is convenient to use. In this example, fixture still includes bull stick 6, and bull stick 6 rotates installs in the bottom in grip slipper 2, and bull stick 6 one end is connected with the handle outside grip slipper 2, and bull stick 6 one end outer wall cover is equipped with bevel gear two 5, and the outside cover of lead screw 3 is equipped with bevel gear one 4 with bevel gear two 5 looks meshing, through fixture, makes it can synchronous adjustment splint 9 to the relative outside or inboard direction motion, can be with the hollow shaft centre gripping fixed of cover at splint 9 outside, makes the work piece centre gripping of its adaptation not unidimensional size fixed use. In this example, two ends of the second connecting rod 16 are respectively hinged with the bottom of the clamping seat 2 and the connecting sleeve 15, two ends of the first spring 19 are respectively fixedly connected with the connecting sleeve 15 and the pull handle 18 so as to support the clamping seat 2, and meanwhile, the elastic force of the first spring 19 is utilized to act on the inserting rod 17 to be inserted into a corresponding slot, so that limiting of the connecting sleeve 15 is achieved, and the clamping seat 2 can be fixed. In this example, slider 8 and slide bar 7 sliding connection, splint 9 are the arc form, and splint 9 all are equipped with the rubber pad relative lateral wall, and the both ends of connecting rod one 10 are articulated with slider 8 and sliding sleeve 11 respectively, and sliding sleeve 11 passes through screw-nut and screw rod 3 threaded connection to the adaptation is different specification work pieces use, can drive four splint 9 removal in step. In this example, the cross section of the limiting block 21 is triangular, the limiting block 21 is matched with the gear 20, and two ends of the second spring 24 are fixedly connected with the baffle 23 and the inner wall of the chamber respectively, so that the gear 20 is limited and fixed.

The working principle of the utility model is as follows: when the clamping plate is used, the hollow shaft to be processed is sleeved outside the clamping plate 9, then the handle is twisted to drive the rotary rod 6 to rotate, so that the bevel gear II 5 is driven to rotate, the bevel gear I4 meshed with the bevel gear II 5 is driven to rotate, the screw rod 3 is driven to rotate, and the sliding sleeve 11 is driven to move upwards, so that the connecting rod I10 is pushed to push the sliding block 8 to slide on the sliding rod 7, and meanwhile, the clamping plate 9 is driven to move, so that workpieces can be clamped and fixed, the clamping plate can be adapted to workpieces with different sizes for clamping and fixing, and then the workpiece can be processed; when the angle position of a workpiece needs to be adjusted, the pull handle 18 drives the connected inserted rod 17 to move out of the slot, meanwhile, the pull handle 18 stretches the first spring 19, the sliding connecting sleeve 15 pulls or pushes the second connecting rod 16 to drive the clamping seat 2 to incline leftwards or rightwards under the action of the connecting head 14 and the ball head 13, so that the angle is adjusted to a required angle position, the pulling force on the pull handle 18 can be released, the inserted rod 17 is enabled to be inserted into the corresponding slot under the action of the elastic force of the first spring 19, the connecting sleeve 15 can be positioned, the position of the clamping seat 2 after the angle adjustment is realized, when the angle adjustment is needed to be adjusted in the front-rear direction, the plug pin 26 can be pulled out, then the clamping seat 2 and the rotating shaft 12 are rotated to drive the gear 20 to rotate, the gear 20 to push the limiting rod 22 and push the baffle 23 to stretch the second spring 24, the limiting block 21 is moved to one side of the gear 20, when the position between the adjacent teeth on the limiting block 21 and the gear 20 corresponds again, the limiting block 21 resets between the adjacent teeth of the gear 20 under the elastic force of the second spring 24, the clamping seat 2 and the connecting rod 16 can be changed, the position of the two connecting rod 16 can be adjusted upwards, the angle can be adjusted more conveniently, the angle can be adjusted in the front-rear direction can be realized, and the position can be adjusted by the jack can be adjusted more conveniently, and the position can be adjusted by the jack can be adjusted to the front and adjusted by the jack to the position of the jack.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Clamping device for lathe suitable for multi-size work piece, including lathe (1), its characterized in that:

The utility model provides a lathe (1) top is connected with fixture through adjustment mechanism, fixture includes grip slipper (2), a plurality of spout has been seted up to grip slipper (2) top symmetry, be equipped with slide bar (7) in the spout, slide bar (7) outside cover is equipped with slider (8), slider (8) top is equipped with splint (9), slider (8) bottom is connected with sliding sleeve (11) through connecting rod one (10), lead screw (3) are installed in grip slipper (2) internal rotation, lead screw (3) outside is located to connecting rod one (10) cover, and connecting rod one (10) and lead screw (3) threaded connection, adjustment mechanism includes pivot (12), and pivot (12) rotation is installed in lathe (1) top, pivot (12) upper end is connected with connector (14) through bulb (13) rotation, connector (14) and grip slipper (2) bottom fixed connection, pivot (12) outside cover is equipped with adapter sleeve (15), connecting sleeve (15) are through connecting rod two (16) and grip slipper (2) swing joint.

2. The clamping device for a lathe suitable for workpieces of multiple sizes according to claim 1, wherein: the adjusting mechanism further comprises an inserting rod (17), the inserting rod (17) is arranged on one side of the connecting sleeve (15) away from the connecting rod II (16), one end of the inserting rod (17) is connected with a pull handle (18), the other end of the inserting rod (17) is inserted into a slot formed in the side wall of the rotating shaft (12), a plurality of inserting slots are formed in the inserting slots, a first spring (19) is sleeved between the pull handle (18) and the connecting sleeve (15) on the outer side of the inserting rod (17), a gear (20) is sleeved on the outer side of the lower end of the rotating shaft (12) in the machine tool (1), a limiting block (21) is arranged on one side of the gear (20), one end of the limiting block (21) is inserted between adjacent teeth on the gear (20), a cavity is formed on one side of the limiting block (21) away from the gear (20), a containing slot matched with the limiting block (21) is formed on one side of the cavity, one end of the limiting block (21) is connected with a supporting rod (22) in the containing slot, one end of the supporting rod (22) is connected with a baffle (23) in the cavity, a second spring (24) is arranged on the outer side of the supporting rod (22) in the cavity, a fixed ring (25) is arranged on one side of the supporting rod (22) away from the lower end of the fixed ring (25), the upper end of the bolt (26) is connected with a pull ring above the machine tool (1).

3. The clamping device for a lathe suitable for workpieces of multiple sizes according to claim 1, wherein: the clamping mechanism further comprises a rotating rod (6), the rotating rod (6) is rotatably arranged at the inner bottom of the clamping seat (2), one end of the rotating rod (6) is externally connected with a handle on the clamping seat (2), the outer wall of one end of the rotating rod (6) is sleeved with a bevel gear II (5), and the outer side of the screw rod (3) is sleeved with a bevel gear I (4) meshed with the bevel gear II (5).

4. The clamping device for a lathe suitable for workpieces of multiple sizes according to claim 2, characterized in that: two ends of the connecting rod II (16) are respectively hinged with the bottom of the clamping seat (2) and the connecting sleeve (15), and two ends of the spring I (19) are respectively fixedly connected with the connecting sleeve (15) and the pull handle (18).

5. A clamping device for a lathe adapted for use with workpieces of multiple sizes as claimed in claim 3, wherein: the sliding block (8) is in sliding connection with the sliding rod (7), the clamping plate (9) is arc-shaped, rubber pads are arranged on opposite outer side walls of the clamping plate (9), two ends of the first connecting rod (10) are respectively hinged with the sliding block (8) and the sliding sleeve (11), and the sliding sleeve (11) is in threaded connection with the screw rod (3) through a screw nut.

6. The clamping device for a lathe suitable for workpieces of multiple sizes according to claim 2, characterized in that: the section of the limiting block (21) is triangular, the limiting block (21) is matched with the gear (20), and two ends of the second spring (24) are fixedly connected with the baffle (23) and the inner wall of the cavity respectively.