Clamping mechanism for gear milling rotary table

Abstract

The utility model relates to the technical field of clamping mechanisms, in particular to a clamping mechanism for a gear milling rotary table, which comprises a bearing seat, a positioning block fixed on the side wall of the bearing seat and a sliding rod connected to the inner wall of the bearing seat in a sliding manner, a connecting plate is fixed on the side wall of the sliding rod, a clamping rod for clamping the sliding rod is mounted on the side wall of the sliding rod, and a clamping groove is formed in the side wall of the clamping rod. The side wall of the positioning block abuts against the side wall of the part, and the side wall of the connecting plate abuts against the side wall of the part. The fixing device has the effect of conveniently fixing parts with different sizes.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of clamping mechanisms, in particular to a clamping mechanism for a gear milling rotary table. BACKGROUND

[0002] In the process of machining a gear ring, a part to be machined needs to be fixed in a suspended state to avoid damage to the fixed part of the part during machining of the part, and the fixing of the part by the gear milling rotary table directly affects the machining precision of the part.

[0003] The existing method is to fix a plurality of fixing frames on the side wall of a machining table, the fixing frames are preferably L-shaped, the fixing frames are fixed on the machining table through a screw rod, the side wall of the fixing frame abuts against the side wall of the part to be machined, and the part is in a suspended state under the clamping and positioning of the fixing frame. During machining, the position of the part needs to be adjusted to machine the part blocked by the fixing frame, the screw rod on the fixing frame is loosened, and different positions of the part are clamped and fixed.

[0004] The above fixing method can only fix one type of part, and it is inconvenient to fix parts of different sizes, and there is room for improvement. CONTENT OF THE UTILITY MODEL

[0005] In order to facilitate the fixing of parts of different sizes, the application provides a clamping mechanism for a gear milling rotary table.

[0006] The application provides a clamping mechanism for a gear milling rotary table, which adopts the following technical scheme:

[0007] A clamping mechanism for a gear milling rotary table comprises a bearing seat, a positioning block fixed to the side wall of the bearing seat and a sliding rod slidingly connected to the inner wall of the bearing seat, the side wall of the sliding rod is fixed with a connecting plate, the side wall of the sliding rod is provided with a clamping rod for clamping the sliding rod, the side wall of the positioning block abuts against the side wall of the part, and the side wall of the connecting plate abuts against the side wall of the part.

[0008] By adopting the above technical scheme, when machining the part, the bearing seat is fixed on the gear milling machine tool, and a plurality of bearing seats are uniformly distributed along the outer periphery of the part. At this time, the side wall of the part abuts against the side wall of the positioning block, and the part is fixed in the radial direction under the action of the positioning block. The sliding rod is slid to make the side wall of the connecting plate abut against the side wall of the part, and the sliding rod is clamped by the clamping rod. At this time, the part is fixed in the axial direction. The device can adjust the position of the part to fix parts of different sizes.

[0009] Optionally, a sawtooth is formed in the side wall of the sliding rod, and a tooth groove is formed in the end of the clamping rod, and the side wall of the sawtooth abuts against the inner wall of the tooth groove.

[0010] By adopting the technical scheme, when machining the part, the slide bar slides on the inner wall of the bearing seat, and when the position of the slide bar is determined, the positioning rod is clamped on the slide bar, and at this time, the inner wall of the sawtooth abuts against the inner wall of the tooth groove, thereby increasing the clamping effect of the positioning rod on the slide bar.

[0011] Optionally, a clamping block is connected to the side wall of the connecting plate through a screw rod.

[0012] By adopting the technical scheme, when machining the part, the clamping block abuts against the side wall of the part, and when the clamping block is worn, the clamping block is disassembled and replaced through the screw rod, thereby reducing the wear of the connecting plate.

[0013] Optionally, a plurality of connecting holes are formed in the side wall of the connecting plate, and the clamping block is fixed to the connecting holes through the screw rod.

[0014] By adopting the technical scheme, when machining the part, according to the different heights of the parts, the clamping block can be disassembled through the screw rod and then fixed to the inner wall of different connecting holes, thereby changing the relative position of the clamping block on the connecting plate and facilitating the clamping of different types of parts.

[0015] Optionally, a plurality of limiting holes are formed in the side wall of the bearing seat, and the positioning block is fixed to the limiting holes through the screw rod.

[0016] By adopting the technical scheme, when machining the part, according to the different diameters of the parts, the positioning block can be disassembled through the screw rod and then fixed to the inner wall of different limiting holes, thereby changing the relative position of the positioning block on the bearing seat and facilitating the bearing of different types of parts.

[0017] Optionally, a spring member is sleeved on the outer wall of the positioning rod, one end of the spring member is fixed to the side wall of the bearing seat, and the other end of the spring member is fixed to the side wall of the positioning rod.

[0018] By adopting the technical scheme, the spring member reduces the possibility of loosening of the positioning rod, and makes the working state of the positioning rod on the side wall of the bearing seat more stable.

[0019] Optionally, the side wall of the bearing seat close to the clamping rod is inclined.

[0020] By adopting the technical scheme, the inclined bearing seat reduces the distance of the operator operating the clamping rod, thereby facilitating the operation of the clamping mechanism for the tooth milling turntable by the operator.

[0021] Optionally, a locking hole is formed in the side wall of the connecting plate, a locking rod is threadedly connected in the locking hole, and the locking rod is threadedly connected with the side wall of the bearing seat.

[0022] By adopting the technical scheme, when the part is machined, the connecting plate is driven by the slide rod to slide to the position close to the side wall of the part, and the connecting plate is fixed on the position of the side wall of the bearing seat by the locking rod at this time, so that the stability of the connecting plate during work is increased.

[0023] To sum up, the present application has at least one of the following beneficial technical effects:

[0024] 1. When the part is machined, the bearing seat is located below the part, at this time, the side wall of the part abuts against the side wall of the positioning block, the position of the connecting plate is adjusted by the slide rod, the side wall of the connecting plate abuts against the side wall of the part, at this time, the side wall of the clamping rod abuts against the side wall of the slide rod, the relative position of the slide rod on the side wall of the bearing seat is fixed, and the connecting plate and the positioning block jointly act on the part to realize clamping, and the clamping mechanism is convenient for fixing parts of different sizes.

[0025] 2. When the part is machined, the slide rod slides in the bearing seat, when the side wall of the clamping block abuts against the side wall of the part, the end of the clamping rod is close to the side wall of the slide rod, the inner wall of the tooth groove abuts against the inner wall of the sawtooth, the clamping rod clamps the position of the slide rod, the stability of the slide rod during fixing is enhanced, and the clamping mechanism is convenient for clamping the part. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a schematic view of the overall structure of the clamping mechanism for the tooth milling rotary table in the embodiment of the present application.

[0027] Figure 2 It is a sectional view of part of the clamping mechanism for the tooth milling rotary table in the embodiment of the present application.

[0028] Reference signs: 1, bearing seat; 2, positioning block; 3, slide rod; 4, connecting plate; 5, clamping rod; 6, sawtooth; 7, tooth groove; 8, clamping block; 9, connecting hole; 10, limiting hole; 11, spring part; 12, locking hole; 13, locking rod. DETAILED DESCRIPTION

[0029] The following will be described in combination with the accompanying Figures 1-2 The present application will be further described in detail.

[0030] The embodiment of the present application discloses a clamping mechanism for a tooth milling rotary table.

[0031] Reference Figure 1 A clamping mechanism for a tooth milling rotary table, comprising a bearing seat 1 and a positioning block 2 installed on the side wall of the bearing seat 1, the side wall of the bearing seat 1 is provided with a plurality of limiting holes 10, and the positioning block 2 is screw connected to the inner wall of the limiting hole 10. When the part is machined, the relative position of the positioning block 2 on the side wall of the bearing seat 1 is adjusted, the positioning block 2 is fixed in the limiting hole 10 by the screw, then the side wall of the part abuts against the side wall of the positioning block 2, the positioning block 2 positions the part and provides radial support force for the part, which is convenient for the machining of the part.

[0032] The inner wall of the bearing seat 1 is slidably connected with a slide rod 3, the side wall of the slide rod 3 is connected with a connecting plate 4 through a screw rod, the side wall of the connecting plate 4 is provided with a locking hole 12, the locking hole 12 is connected with a locking rod 13 through a thread, when machining the part, the slide rod 3 is slid to the position required for machining the part, at this time, the side wall of the connecting plate 4 is close to the side wall of the bearing seat 1, the locking rod 13 is tightened, the end of the locking rod 13 abuts against the side wall of the bearing seat 1, at this time, the connecting plate 4 is fixed to the side wall of the bearing seat 1 through the locking rod 13.

[0033] The side wall of the connecting plate 4 is provided with a plurality of connecting holes 9, preferably four connecting holes 9 in the embodiment of the application, the inner wall of two connecting holes 9 is connected with a clamping block 8 through a screw rod, the side wall of the clamping block 8 can abut against the side wall of the part, when machining the part, the connecting plate 4 drives the clamping block 8 to slide, the side wall of the clamping block 8 abuts against the side wall of the part, under the clamping action of the positioning block 2 and the clamping block 8, the relative position of the part is fixed, when the size of the part is larger, the clamping block 8 is disassembled through the screw rod, the clamping block 8 is connected with the inner wall of the other two connecting holes 9 through a screw rod, which is convenient for the clamping mechanism to clamp parts of different sizes.

[0034] Reference Figure 2 The side wall of the slide rod 3 is provided with a sawtooth 6, the inner wall of the bearing seat 1 is slidably connected with a clamping rod 5 for clamping the slide rod 3, the end of the clamping rod 5 is provided with a tooth groove 7, the side wall of the bearing seat 1 close to the clamping rod 5 is arranged obliquely, before machining the part, the slide rod 3 is slid to the position required for machining the part, at this time, the side wall of the clamping rod 5 abuts against the side wall of the slide rod 3, the inner wall of the sawtooth 6 abuts against the inner wall of the tooth groove 7, the relative position of the slide rod 3 in the inner wall of the bearing seat 1 is fixed, the obliquely arranged side wall of the bearing seat 1 shortens the operation distance of the worker to the clamping rod 5, which is convenient for the worker to perform the above operation.

[0035] The side wall of the clamping rod 5 is provided with a spring piece 11, preferably a spring washer in the embodiment of the application, one end of the spring piece 11 is fixed to the side wall of the clamping rod 5, the other end of the spring piece 11 is fixed to the inner wall of the bearing seat 1, when the side wall of the clamping rod 5 abuts against the side wall of the slide rod 3 and the slide rod 3 is clamped in the inner wall of the bearing seat 1, the setting of the spring piece 11 reduces the tendency of the clamping rod 5 to loosen, which makes the working process of the clamping rod 5 more stable.

[0036] The implementation principle of the clamping mechanism for the gear milling rotary table in the embodiment of the application is as follows: when machining the part, the position of the positioning block 2 in the side wall of the bearing seat 1 is adjusted, the side wall of the part abuts against the side wall of the positioning block 2, the slide rod 3 slides in the inner wall of the bearing seat 1, when the side wall of the clamping block 8 abuts against the side wall of the part, the side wall of the clamping rod 5 abuts against the side wall of the slide rod 3, the inner wall of the tooth groove 7 abuts against the inner wall of the sawtooth 6, the side wall of the connecting plate 4 and the side wall of the bearing seat 1 are fixed through the locking pin screw, the above process is set to be convenient for fixing parts of different sizes.

[0037] The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, and thus: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A clamping mechanism for a gear milling rotary table, characterized by: The utility model provides a bearing seat (1), the locating block (2) of fixed in the side wall of bearing seat (1) and the slide bar (3) of sliding connection in the inner wall of bearing seat (1), the side wall of slide bar (3) is fixed with connecting plate (4), the side wall of slide bar (3) is installed for the clamping rod (5) of clamping slide bar (3), the side wall of locating block (2) abuts the side wall of spare part, the side wall of connecting plate (4) abuts the side wall of spare part.

2. The clamping mechanism for a cutter head turret according to claim 1, characterized in that: The side wall of slide bar (3) is provided with sawtooth (6), the end of clamping rod (5) is provided with tooth groove (7), the side wall of sawtooth (6) abuts the inner wall of tooth groove (7).

3. The clamping mechanism for a cutter head turret according to claim 1, characterized in that: The side wall of connecting plate (4) is connected with clamping block (8) by screw rod, the side wall of clamping block (8) abuts the side wall of spare part.

4. The clamping mechanism for a cutter head turret according to claim 3, characterized in that: The side wall of connecting plate (4) is provided with a plurality of connecting holes (9), and the clamping block (8) is fixed with the connecting hole (9) by a screw rod.

5. The clamping mechanism for a cutter head turret according to claim 1, wherein: The side wall of bearing seat (1) is provided with a plurality of limiting holes (10), and the locating block (2) is fixed with the limiting hole (10) by a screw rod.

6. The clamping mechanism for a cutter head turret according to claim 1, wherein: The outer wall of clamping rod (5) is provided with spring piece (11), one end of spring piece (11) is fixed with the side wall of bearing seat (1), and the other end of spring piece (11) is fixed with the side wall of clamping rod (5).

7. The clamping mechanism for a cutter head turret according to claim 6, characterized in that: The side wall of bearing seat (1) is provided with a plurality of limiting holes (10), and the locating block (2) is fixed with the limiting hole (10) by a screw rod.

8. The clamping mechanism for a cutter head turret according to claim 1, characterized in that: The side wall of connecting plate (4) is provided with locking hole (12), locking rod (13) is screwed in locking hole (12), and locking rod (13) is screwed with the side wall of bearing seat (1).

Images