CN219169626U

CN219169626U - Clamp convenient to operate for numerical control lathe

Info

Publication number: CN219169626U
Application number: CN202223153981.2U
Authority: CN
Inventors: 刘丽娜; 田晓光; 梅运东; 李晓娟; 刘靖; 张婷; 张雷
Original assignee: Huanghe Jiaotong University
Current assignee: Huanghe Jiaotong University
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-06-13
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to the technical field of numerically controlled lathes, in particular to a clamp for a numerically controlled lathe, which is convenient to operate, by arranging a rotating base, a sliding track, a gear rotating strip, a rotating block, a twisting groove, a rotating gear, a manual adjusting handle and various clamp limiting blocks, the matching between the manual adjusting handle and the twisting groove can enable the rotating block to rotate so as to drive the gear rotating strip to rotate, and the rotating base starts to rotate, so that the various clamp limiting blocks control clamping force according to the rotation of the rotating base, the included angle between the adjacent various clamp limiting blocks is 120 degrees, the clamping force of the adjacent various clamp limiting blocks can be effectively uniform, and errors are reduced; one side of various anchor clamps stopper adopts the smooth surface structure that has certain radian recess, and the opposite side of various anchor clamps stopper adopts the progressive advanced structure of stair, makes it have various anchor clamps structure, can be suitable for the model of the cylindrical or disc processing part of various centre gripping.

Description

Clamp convenient to operate for numerical control lathe

Technical Field

The utility model relates to the technical field of numerically controlled lathes, in particular to a clamp for a numerically controlled lathe, which is convenient to operate.

Background

The fixture is used to fix the machining object in the correct position during the machining process to accept the construction or detection. In a broad sense, any process in the process, the device for rapidly, conveniently and safely mounting a workpiece may be referred to as a fixture, and the fixture is generally composed of a positioning element (determining the correct position of the workpiece in the fixture), a clamping device, a tool setting guide element (determining the relative position of a tool and the workpiece or guiding the tool direction), an indexing device (enabling the workpiece to be processed at a plurality of stations in one installation, including both a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (fixture base), and the like.

The three-jaw chuck is a fixture for clamping and positioning a workpiece by utilizing radial movement of three movable jaws mounted on a disk body, along with development and progress of technology, the existing three-jaw chuck cannot meet the existing production requirements, the production needs a three-jaw chuck with more excellent clamping and fixing performance, the clamping force is more uniform, the clamping effect is poor when the existing three-jaw chuck is clamped, machining errors are easily caused, the clamping force is uneven to influence the machining precision, the jaws are inconvenient to move, and the working efficiency is reduced.

Therefore, the clamp for the numerical control lathe, which has the advantages of increasing clamping effect, reducing machining errors, increasing clamping force, facilitating movement of various clamp limiting blocks, improving working efficiency and facilitating operation, has wide market prospect.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the clamp for the numerical control lathe, which has the advantages of increasing clamping effect, reducing machining errors, increasing clamping force, facilitating movement of various clamp limiting blocks, improving working efficiency and facilitating operation, and is used for overcoming the defects in the prior art.

The utility model adopts the technical scheme that: the utility model provides a fixture for numerical control lathe convenient to operation, which comprises a fixed pedestal, unable adjustment base's top surface seted up spacing mouth and sliding tray, unable adjustment base's inside cover is equipped with the revolving stage base, be provided with the slip track on the top surface of revolving stage base, the anchor clamps through-hole has been seted up at the middle part of revolving stage base, install the gear on the bottom surface of revolving stage base and rotate the strip, the outside of gear rotates the strip is provided with the dwang, the dwang through-hole has been seted up on unable adjustment base's the lateral wall, the outer pot-head of dwang is in the inside of dwang through-hole, the torsion groove has been seted up on the outer end lateral wall of dwang, be provided with the spacing smooth stick in the notch of dwang, the top sliding fit of rotation groove and spacing smooth stick, the dwang rotate with the gear through the slip track and be connected, the internally mounted of sliding tray have the anchor clamps base, the bottom surface and the slip track cooperation of anchor clamps stopper base are provided with various anchor clamps stopper on the top surface of anchor clamps stopper base, various stopper is connected through anchor clamps stopper base and slip track, the outside of fixed base be provided with manual regulation handle the manual limit of adjusting.

Limiting opening set up in unable adjustment base's top surface middle part, the quantity of sliding tray is three, and the angle between the central point of adjacent sliding tray and limiting opening is 120 degrees, and the both ends of sliding tray are the through hole structure, various anchor clamps stopper setting is in the top surface outside of sliding tray, and various anchor clamps stopper and anchor clamps stopper base structure as an organic whole.

The fixed base adopts hollow cylindrical structure, the turntable base adopts cylindrical structure, the diameter length of the turntable base is not greater than the inner diameter length of the fixed base, the gear rotating strip is arranged on the outer side of the fixture through hole, and the diameter length of the gear rotating strip is identical with the diameter length of the bottom surface of the turntable base.

The sliding track is spirally arranged on the top surface of the turntable base, and the sliding track and the turntable base are of an integrated structure.

The limiting smooth rods are fixedly arranged inside the bottom surface of the fixed base through bolts, the number of the limiting smooth rods is three, and the angle between the adjacent limiting smooth rods and the center point inside the bottom surface of the fixed base is 120 degrees.

One side of the various fixture limiting block adopts a smooth surface structure with a groove with a certain radian, and the other side of the various fixture limiting block adopts a stair progressive advanced structure.

The utility model has the beneficial effects that: firstly, the turntable base, the sliding track, the gear rotating bar, the rotating block, the twisting groove, the rotating gear, the manual adjusting handle and the various clamp limiting blocks are arranged, the matching between the manual adjusting handle and the twisting groove can be realized, the rotating block is rotated to drive the gear rotating bar to rotate, and the turntable base starts to rotate, so that the various clamp limiting blocks control clamping force according to the rotation of the turntable base, the included angle between the adjacent various clamp limiting blocks is 120 degrees, the clamping force can be effectively uniform, and errors are reduced; secondly, the sliding rail and the clamp limiting block base are arranged, so that the adjustment effect of the various clamp limiting blocks is facilitated, one side of each of the various clamp limiting blocks adopts a smooth surface structure with a groove with a certain radian, and the other side of each of the various clamp limiting blocks adopts a stair progressive advanced structure, so that each clamp structure is provided, and the clamp limiting block is applicable to various types of clamping cylindrical or disc-shaped processing parts; the utility model has the advantages of simple structure, convenient operation, ingenious design, great improvement of working efficiency, good social and economic benefits and easy popularization and use.

Drawings

Fig. 1 is a schematic overall perspective view of the present utility model.

Fig. 2 is a schematic perspective view of the present utility model with the fixing base removed.

Fig. 3 is a schematic diagram of the overall front structure of the present utility model.

Fig. 4 is a schematic front view of the present utility model with the fixing base removed.

Fig. 5 is a schematic diagram of the overall front perspective structure of the present utility model.

Detailed Description

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "outer end", "inner end", "one side", "other side", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1, 2, 3, 4 and 5, a clamp for a numerical control lathe convenient to operate comprises a fixed base 1, wherein a limit opening 2 and a sliding groove 3 are formed in the top surface of the fixed base 1, a turntable base 10 is sleeved in the fixed base 1, a sliding rail 11 is arranged on the top surface of the turntable base 10, a clamp through opening 13 is formed in the middle of the turntable base 10, a gear rotating strip 12 is arranged on the bottom surface of the turntable base 10, a rotating block 5 is arranged on the outer side of the gear rotating strip 12, a rotating block through opening 4 is formed in the side wall of the fixed base 1, the outer end of the rotating block 5 is sleeved in the rotating block through opening 4, a twisting groove 6 is formed in the side wall of the outer end of the rotating block 5, a rotating gear 15 is arranged on the side wall of the inner end of the rotating block 5, a rotating groove 16 is formed in the middle of the rotating block 5, a limit smooth rod 14 is arranged in the notch of the rotating groove 16, the rotating block 5 is in rotating connection with the gear rotating bar 12 through a rotating gear 15, the inside of the sliding groove 3 is provided with a clamp limiting block base 8, the bottom surface of the clamp limiting block base 8 is in matching connection with a sliding rail 11, the top surface of the clamp limiting block base 8 is provided with a plurality of clamp limiting blocks 7, the plurality of clamp limiting blocks 7 are connected with the sliding rail 11 through the clamp limiting block base 8, the outer side of the fixed base 1 is provided with a manual adjusting handle 9, the manual adjusting handle 9 is matched with a twisting groove 6 at the outer end of the rotating block 5, the utility model is characterized in that the rotating block is provided with a turntable base 10, the sliding rail 11, the gear rotating bar 12, the rotating block 5, the twisting groove 6, the rotating gear 15, the manual adjusting handle 9 and the plurality of clamp limiting blocks 7, the matching between the manual adjusting handle 9 and the twisting groove 6 can be realized through manual adjustment, make its turning block 5 rotate, drive gear rotation strip 12 and rotate, make its revolving stage base 10 begin to rotate to thereby make its various anchor clamps stopper 7 according to the rotation of revolving stage base 10 thereby to the control of clamping dynamics, contained angle between the adjacent various anchor clamps stopper 7 is 120 degrees, can effectually make the dynamics of its centre gripping even, reduce the error.

Limiting opening 2 set up in unable adjustment base 1's top surface middle part, the quantity of sliding tray 3 is three, the angle between the central point of adjacent sliding tray 3 and limiting opening 2 is 120 degrees, and the both ends of sliding tray 3 are the through hole structure, various anchor clamps stopper 7 set up in the top surface outside of sliding tray 3, and various anchor clamps stopper 7 and anchor clamps stopper base 8 structure as an organic whole, adopt 120 degrees distribution, be in order to can effectually need the fixed of processing part.

The fixed base 1 adopts a hollow cylindrical structure, the turntable base 10 adopts a cylindrical structure, the diameter length of the turntable base 10 is not greater than the inner diameter length of the fixed base 1, the gear rotating strip 12 is arranged on the outer side of the fixture through hole 13, and the diameter length of the gear rotating strip 12 is identical with the diameter length of the bottom surface of the turntable base 10.

The sliding rail 11 is spirally mounted on the top surface of the turntable base 10, and the sliding rail 11 and the turntable base 10 are of an integral structure.

The limiting smooth rods 14 are fixedly arranged inside the bottom surface of the fixed base 1 through bolts, the number of the limiting smooth rods 14 is three, and the angle between the adjacent limiting smooth rods 14 and the center point inside the bottom surface of the fixed base 1 is 120 degrees.

One side of various anchor clamps stopper 7 adopt the smooth surface structure that has certain radian recess, the opposite side of various anchor clamps stopper 7 adopts the progressive structure of stair, makes it have various anchor clamps structure, can be suitable for the model of the cylindrical or disc processing part of various centre gripping.

The application method of the product is as follows: as shown in fig. 1, 2, 3, 4 and 5, the adjustment of the limiting block 7 of the various clamps is carried out according to the model or shape of the part to be processed, whether a smooth surface with a groove with a certain radian or a progressive surface of stairs is adopted; if the workpiece is a columnar machined part, firstly, clamping one end of the column into the limiting opening 2 and the clamp through opening 13, enabling the smooth surface of the various clamp limiting blocks 7 with a groove with a certain radian to face inwards, and enabling the rotating block 5 to rotate through the cooperation between the manual adjusting handle 9 and the twisting groove 6 by rotating the manual adjusting handle 9 so as to drive the gear rotating strip 12 to rotate, enabling the turntable base 10 to start rotating, enabling the various clamp limiting blocks 7 to slide inwards, and fixing the columnar part to be machined; if the processing part is a disc-shaped processing part, the progressive steps of the stair of the various clamp limiting blocks 7 face inwards, the manual adjustment handle 9 is rotated, the matching between the manual adjustment handle 9 and the torsion groove 6 is achieved, the rotating block 5 is enabled to rotate, the gear rotating strip 12 is driven to rotate, the turntable base 10 is enabled to start rotating, the various clamp limiting blocks 7 are enabled to slide inwards, and the disc-shaped part needing to be processed is fixed.

The clamping effect is improved, the machining error is reduced, the clamping force is increased, the limiting blocks of the various clamps are convenient to move, the working efficiency is improved, and the clamp for the numerical control lathe is convenient to operate, so that the clamp has a wide market prospect.

Claims

1. The utility model provides a fixture for numerical control lathe convenient to operation, includes unable adjustment base (1), its characterized in that: the utility model discloses a fixed base (1) top surface seted up spacing mouth (2) and sliding tray (3), revolving stage base (10) have been seted up to the inside cover of fixed base (1), be provided with sliding rail (11) on the top surface of revolving stage base (10), anchor clamps through-hole (13) have been seted up at the middle part of revolving stage base (10), install gear rotor bar (12) on the bottom surface of revolving stage base (10), the outside of gear rotor bar (12) is provided with rotor block (5), rotor block through-hole (4) have been seted up on the lateral wall of fixed base (1), the outer end cover of rotor block (5) is adorned in the inside of rotor block through-hole (4), torsion groove (6) have been seted up on the outer end lateral wall of rotor block (5), be provided with rotation gear (15) on the inner lateral wall of rotor block (5), rotation groove (16) have been seted up at the middle part of rotor block (5), be provided with spacing smooth stick (14) in the notch of rotor groove (16), the sliding fit of rotor block (16) and spacing smooth stick (14), top (5) pass through rotation gear (15) and inside connection anchor clamps (8) with sliding tray (8) of inner end (8), be provided with various anchor clamps stopper (7) on the top surface of anchor clamps stopper base (8), various anchor clamps stopper (7) are connected with slip track (11) through anchor clamps stopper base (8), the outside of unable adjustment base (1) be provided with manual regulation handle (9), manual regulation handle (9) cooperatees with twist groove (6) of turning block (5) outer end.

2. The fixture for a numerical control lathe convenient to operate according to claim 1, wherein: limiting opening (2) set up in the top surface middle part of unable adjustment base (1), the quantity of sliding tray (3) is three, the angle between adjacent sliding tray (3) and the central point of limiting opening (2) is 120 degrees, and the both ends of sliding tray (3) are the opening structure, various anchor clamps stopper (7) set up in the top surface outside of sliding tray (3), and various anchor clamps stopper (7) are integrated into one piece structure with anchor clamps stopper base (8).

3. The fixture for a numerical control lathe convenient to operate according to claim 1, wherein: the fixed base (1) adopts a hollow cylindrical structure, the turntable base (10) adopts a cylindrical structure, the diameter length of the turntable base (10) is not greater than the inner diameter length of the fixed base (1), the gear rotating strip (12) is arranged on the outer side of the fixture through hole (13), and the diameter length of the gear rotating strip (12) is identical with the diameter length of the bottom surface of the turntable base (10).

4. The fixture for a numerical control lathe convenient to operate according to claim 1, wherein: the sliding rail (11) is spirally arranged on the top surface of the turntable base (10), and the sliding rail (11) and the turntable base (10) are of an integrated structure.

5. The fixture for a numerical control lathe convenient to operate according to claim 1, wherein: the limiting smooth rods (14) are fixedly arranged inside the bottom surface of the fixed base (1) through bolts, the number of the limiting smooth rods (14) is three, and the angle between the adjacent limiting smooth rods (14) and the center point inside the bottom surface of the fixed base (1) is 120 degrees.

6. The fixture for a numerical control lathe convenient to operate according to claim 1, wherein: one side of the various fixture limiting block (7) adopts a smooth surface structure with a groove with a certain radian, and the other side of the various fixture limiting block (7) adopts a stair progressive advanced structure.