CN209125331U

CN209125331U - Turning center supports holder

Info

Publication number: CN209125331U
Application number: CN201822125419.6U
Authority: CN
Inventors: 颜君良
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-18
Filing date: 2018-12-18
Publication date: 2019-07-19
Anticipated expiration: 2028-12-18

Abstract

The utility model relates to central supported holder technical fields, and disclose turning center support holder, including support base, the inner wall of the support base is fixedly installed with bearing, the inner wall of the bearing slidably connects drive shaft, it is provided with ring flange on the right side of the drive shaft, equally distributed fixing screws are provided on the right side of the ring flange, sequentially pass through ring flange and drive shaft on the left of the fixing screws.The turning center supports holder, by the way that ring flange is arranged, left and right respectively connected drive shaft and turntable, realize that drive shaft drives turntable rotation, by the way that the turntable is arranged, five collets are internally provided with, drive bevel gear rotation by turning adjusting screw rod, to drive turntable to rotate, helicla flute on turntable drives five collets to draw close to center, so that workpiece is clamped, instead of original centre frame, precision is higher, more durable, blank material also can be processed, and operates with more convenient, production capacity greatly promotes, user-friendly.

Description

Turning center supports holder

Technical field

The utility model relates to central supported holder technical field, specially turning center supports holder.

Background technique

Chuck is the mechanical device for being used to clamp workpiece on lathe, utilizes the radial direction for the movable jaw being evenly arranged on chuck body Mobile, the machine tool accessories of Workpiece clamping and positioning, chuck is generally by 3 part of chuck body, movable jaw and claw driving mechanism Composition, minimum 65 millimeters of chuck body diameter, maximum up to 1500 millimeters, there is through-hole in center, will pass through workpiece or bar, back There is cylindrical or short taper profile structure in portion, is connected directly or by ring flange and machine tool chief axis end, chuck is typically mounted on vehicle It uses, can also cooperate on bed, cylindrical grinder and internal grinder with various indexing means, be used for milling machine and drilling machine.

However the centre frame that existing lathe uses, all it is to fix material to be processed by 3 points mostly, processes After often, it is easy to appear abrasion, is not durable, causing precision inadequate, service life is short, so propose turning center propclip Seat is to solve the above problems.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provide turning center support holder, have precision it is higher more resistant to With the advantages of, solve the centre frame that existing lathe uses, be all to fix material to be processed by 3 points mostly, add Work often after, be easy to appear abrasion, be not durable, cause precision inadequate, service life short problem.

(2) technical solution

To realize the above-mentioned higher purpose more durable of precision, the utility model is provided the following technical solutions: turning center branch Holder is supportted, including support base, the inner wall of the support base are fixedly installed with bearing, the inner wall of the bearing slidably connects driving Axis is provided with ring flange on the right side of the drive shaft, equally distributed fixing screws is provided on the right side of the ring flange, described Ring flange and drive shaft are sequentially passed through on the left of fixing screws, and the inside of drive shaft, institute are extended on the left of the fixing screws The right side opening for stating drive shaft is equipped with equally distributed threaded hole, and the inner wall of the threaded hole is threadedly coupled with fixing screws, described Turntable is fixedly connected on the right side of ring flange, the right side opening of the turntable is equipped with equally distributed five mounting grooves, described in five The inside of mounting groove is provided with collet, and the inner wall of five mounting grooves is fixedly connected to two sliding blocks, five folders The front and back of head offers sliding slot, and the outer wall of ten sliding blocks is slidably connected with sliding slot, five collets Left side is fixedly connected to rack gear, and the outer wall of the turntable is fixedly installed with equally distributed adjusting screw rod, the adjusting screw rod Outer wall be fixedly connected to first bevel gear, the turntable is internally provided with fixed disk, and the left side of the fixed disk is fixed It is connected with second bevel gear, the left side of the second bevel gear is engaged with first bevel gear, and the right side opening of the fixed disk is equipped with The inner wall of helicla flute, the helicla flute is engaged with rack.

Preferably, it is fixedly connected with equally distributed bolt on the left of the ring flange, is opened up on the right side of the drive shaft There is equally distributed jack, the inner wall and bolt of jack are clamped.

Preferably, five opposite sides of the collet are fixedly connected to equally distributed card tooth, and five collet phases Pair the vertical range of side to center of turntable be equal.

Preferably, the quantity of the fixing screws is at least eight.

Preferably, the outside of support base, and the center of drive shaft and turntable are run through and extended in the right side of the drive shaft Center be located in same horizontal line.

Preferably, the quantity of the adjusting screw rod is five, and the opposite one end of five adjusting screw rods is run through and extended to The outside of turntable, five opposite one end of adjusting screw rod are slidably connected with turntable.

(3) beneficial effect

Compared with prior art, the utility model provide turning center support holder, have it is following the utility model has the advantages that

The turning center supports holder, and by the way that ring flange is arranged, left and right respectively connected drive shaft and turntable, realizes driving Axis drives turntable rotation, by the way that the turntable is arranged, is internally provided with five collets, drives a bevel gear by turning adjusting screw rod Rotation, so that turntable be driven to rotate, the helicla flute on turntable drives five collets to draw close to center, so that workpiece is clamped, instead of Original centre frame, precision is higher, more durable, and blank material also can be processed, and operates with more convenient, and production capacity greatly promotes, side User use.

Detailed description of the invention

Fig. 1 is the utility model structure front view；

Fig. 2 is the structural schematic diagram that the utility model turntable is connected with collet.

In figure: 1 support base, 2 bearings, 3 drive shafts, 4 ring flanges, 5 fixing screws, 6 threaded holes, 7 turntables, 8 mounting grooves, 9 Collet, 10 sliding blocks, 11 sliding slots, 12 rack gears, 13 adjusting screw rods, 14 first bevel gears, 15 fixed disks, 16 second bevel gears, 17 spiral shells Spin slot.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Turning center supports holder, including support base 1, the inner wall of support base 1 to be fixedly installed with bearing referring to FIG. 1-2, 2, the inner wall of bearing 2 slidably connects drive shaft 3, and the outside of support base 1 is run through and extended on the right side of drive shaft 3, and drives The center of axis 3 and the center of turntable 7 are located in same horizontal line, and the right side of drive shaft 3 is provided with ring flange 4, by the way that method is arranged Blue disk 4, left and right respectively connected drive shaft 3 and turntable 7, realize that drive shaft 3 drives turntable 7 to rotate, by the way that the turntable 7 is arranged, Five collets 9 are internally provided with, a bevel gear 14 rotation are driven by turning adjusting screw rod 13, to drive 15 turns of fixed disk Dynamic, the helicla flute 17 in fixed disk 15 drives five collets 9 to draw close to center, to clamp workpiece, instead of original centre frame, Precision is higher, more durable, and blank material also can be processed, and operates with more convenient, and production capacity greatly promotes, and the person of being convenient to use makes With the left side of ring flange 4 is fixedly connected with equally distributed bolt, and the right side opening of drive shaft 3 is equipped with equally distributed jack, inserts The inner wall and bolt in hole are clamped, and the right side of ring flange 4 is provided with equally distributed fixing screws 5, and the quantity of fixing screws 5 is at least It is eight, the left side of fixing screws 5 sequentially passes through ring flange 4 and drive shaft 3, and the left side of fixing screws 5 extends to drive shaft 3 The right side opening of inside, drive shaft 3 is equipped with equally distributed threaded hole 6, and the inner wall of threaded hole 6 is threadedly coupled with fixing screws 5, method The right side of blue disk 4 is fixedly connected with turntable 7, and the right side opening of turntable 7 is equipped with equally distributed five mounting grooves 8, five mounting grooves 8 Inside be provided with collet 9, five opposite sides of collet 9 are fixedly connected to equally distributed card tooth, and five collets 9 The vertical range at opposite side to 7 center of turntable is equal, and the inner wall of five mounting grooves 8 is fixedly connected to two sliding blocks 10, the front and back of five collets 9 offers sliding slot 11, and the outer wall of ten sliding blocks 10 is slidably connected with sliding slot 11, and five The left side of a collet 9 is fixedly connected to rack gear 12, and the outer wall of turntable 7 is fixedly installed with equally distributed adjusting screw rod 13, adjusts The quantity for saving screw rod 13 is five, and the outside of turntable 7, five tune are run through and extended in the opposite one end of five adjusting screw rods 13 The opposite one end of section screw rod 13 is slidably connected with turntable 7, and the outer wall of adjusting screw rod 13 is fixedly connected to first bevel gear 14, Turntable 7 is internally provided with fixed disk 15, and the left side of fixed disk 15 is fixedly connected with second bevel gear 16, second bevel gear 16 Left side is engaged with first bevel gear 14, and the right side opening of fixed disk 15 is equipped with helicla flute 17, and inner wall and the rack gear 12 of helicla flute 17 are nibbled It closes.

When in use, by the way that ring flange 4 is arranged, left and right respectively connected drive shaft 3 and turntable 7, realize that drive shaft 3 drives Turntable 7 rotates, and by the way that the turntable 7 is arranged, is internally provided with five collets 9, drives a bevel gear by turning adjusting screw rod 13 14 rotations, so that fixed disk 15 be driven to rotate, the helicla flute 17 in fixed disk 15 drives five collets 9 to draw close to center, thus Workpiece is clamped, instead of original centre frame, precision is higher, and more durable, blank material also can be processed, and operates with more convenient, production It can greatly promote, the person of being convenient to use uses.

In conclusion the turning center supports holder, by the way that ring flange 4 is arranged, left and right respectively connected drive shaft 3 and turn Disk 7 realizes that drive shaft 3 drives turntable 7 to rotate, and by the way that the turntable 7 is arranged, is internally provided with five collets 9, is adjusted by turning Screw rod 13 drives a bevel gear 14 rotation, so that fixed disk 15 be driven to rotate, the helicla flute 17 in fixed disk 15 drives five folders First 9 draw close to center, to clamp workpiece, instead of original centre frame, precision is higher, and more durable, blank material also can be processed, behaviour Make more convenient to use, production capacity greatly promotes, and the person of being convenient to use uses.

It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device. In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element Process, method, article or equipment in there is also other identical elements.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. turning center supports holder, including support base (1), it is characterised in that: the inner wall of the support base (1) is fixedly installed with The inner wall of bearing (2), the bearing (2) slidably connects drive shaft (3), is provided with ring flange on the right side of the drive shaft (3) (4), it is provided with equally distributed fixing screws (5) on the right side of the ring flange (4), the left side of the fixing screws (5) is successively Through ring flange (4) and drive shaft (3), the inside of drive shaft (3), the driving are extended on the left of the fixing screws (5) The right side opening of axis (3) is equipped with equally distributed threaded hole (6), and the inner wall and fixing screws (5) screw thread of the threaded hole (6) connect It connects, is fixedly connected with turntable (7) on the right side of the ring flange (4), the right side opening of the turntable (7) is equipped with equally distributed five The inside of mounting groove (8), five mounting grooves (8) is provided with collet (9), and the inner wall of five mounting grooves (8) is solid Fixed connection is there are two sliding block (10), and the front and back of five collets (9) offers sliding slot (11), ten sliding blocks (10) outer wall is slidably connected with sliding slot (11), is fixedly connected to rack gear (12) on the left of five collets (9), described The outer wall of turntable (7) is fixedly installed with equally distributed adjusting screw rod (13), and the outer wall of the adjusting screw rod (13) is fixed to be connected It is connected to first bevel gear (14), the turntable (7) is internally provided with fixed disk (15), and the left side of the fixed disk (15) is fixed It is connected with second bevel gear (16), the left side of the second bevel gear (16) is engaged with first bevel gear (14), the fixed disk (15) right side opening is equipped with helicla flute (17), and the inner wall of the helicla flute (17) is engaged with rack gear (12).

2. turning center according to claim 1 supports holder, it is characterised in that: the left side of the ring flange (4) is fixed It is connected with equally distributed bolt, the right side opening of the drive shaft (3) is equipped with equally distributed jack, the inner wall and bolt of jack Clamping.

3. turning center according to claim 1 supports holder, it is characterised in that: five collets (9) it is opposite one Side is fixedly connected to equally distributed card tooth, and the vertical range at opposite side to turntable (7) center of five collets (9) is equal It is equal.

4. turning center according to claim 1 supports holder, it is characterised in that: the quantity of the fixing screws (5) is extremely It is less eight.

5. turning center according to claim 1 supports holder, it is characterised in that: the right side of the drive shaft (3) is run through And the outside of support base (1) is extended to, and the center of the center of drive shaft (3) and turntable (7) is located in same horizontal line.

6. turning center according to claim 1 supports holder, it is characterised in that: the quantity of the adjusting screw rod (13) is Five, the outside of turntable (7), five adjusting screw rod (13) phases are run through and extended in five opposite one end of adjusting screw rod (13) Pair one end be slidably connected with turntable (7).