CN219403340U

CN219403340U - Clamp for numerical control lathe

Info

Publication number: CN219403340U
Application number: CN202320596070.2U
Authority: CN
Inventors: 王奕; 刘瑞婷; 刘金金
Original assignee: Shanghai Xidai Machinery Manufacturing Co ltd
Current assignee: Shanghai Xidai Machinery Manufacturing Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-07-25
Anticipated expiration: 2033-03-23

Abstract

The utility model discloses a clamp for a numerical control lathe, which relates to the field of numerical control lathe equipment and aims to solve the technical problem that the clamp used by the existing numerical control lathe is inconvenient to adjust the clamping position of a cylindrical workpiece.

Description

Clamp for numerical control lathe

Technical Field

The utility model belongs to the field of numerical control machine tool equipment, and particularly relates to a clamp for a numerical control lathe.

Background

Along with the rapid development of industrialization, the numerically-controlled machine tool is used in a large number, the industrial production efficiency is greatly improved, the machine tool clamp is a device for clamping a workpiece and guiding a cutter on the machine tool, the clamp is specially designed according to the special appearance of a certain workpiece, on industrial processing, the workpiece with an arc surface is more difficult to clamp and fix compared with the workpiece with a planar structure, when the numerically-controlled machine tool is used for processing the arc surface of a cylindrical workpiece, the flat plate clamp is generally used for clamping two ends of the workpiece, when the two ends of the cylindrical workpiece are processed, the workpiece is required to be taken out again, the direction is adjusted, the flat plate clamp is reused for clamping the side wall of the workpiece, the mode of manually switching clamping positions leads to the reduction of the processing efficiency, so that the machine tool clamp with the function of clamping the end face and the side wall of the cylindrical workpiece can be designed, the corresponding clamping assembly can be selected for fixing the workpiece when the workpiece is processed at different positions, the workpiece does not need to be manually adjusted, and the use is more convenient.

The prior Chinese patent with the publication number of CN218363452U discloses a numerical control machine tool fixture, which comprises a mounting seat, a driving assembly and two fixing assemblies, wherein a first groove, a second groove and two third grooves are formed in the mounting seat, the first groove is communicated with the second groove, the two third grooves are respectively communicated with the first groove, the driving assembly comprises a supporting plate, the supporting plate is arranged in the first groove, the two fixing assemblies are respectively connected with two ends of the supporting plate, each fixing assembly comprises a movable plate, a clamping block, a limiting plate and a limiting rod, one end of the movable plate is hinged with one end of the supporting plate, the other end of the movable plate is fixedly connected with the clamping block, the clamping block is perpendicularly and outwards arranged with the movable plate, the limiting plate is fixedly arranged in the third grooves, a limiting groove is penetratingly arranged in the middle position of the movable plate, one end of the limiting rod is fixedly connected with the limiting plate, and the other end of the limiting rod is slidably connected with the limiting groove. Therefore, the upper surface or the inner surface of the hollow cylinder workpiece can be fixed through the two fixing assemblies, so that the outer wall of the workpiece can be conveniently machined.

Therefore, when the numerical control machine tool is used for processing multiple parts of cylindrical workpieces, the direction of the clamped workpiece needs to be continuously adjusted according to the position of the flat plate clamp, the inconvenient use condition is developed, the novel clamp is developed, the adjustable clamp base is utilized to be matched with the two-way clamping assembly, and the clamping parts are conveniently switched and used when the cylindrical workpieces are processed.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a clamp for a numerical control lathe, which aims to solve the technical problem that the clamp used by the existing numerical control lathe is inconvenient to adjust the clamping part of a cylindrical workpiece.

(2) Technical proposal

In order to solve the technical problems, the utility model provides a clamp for a numerical control lathe, which comprises a first substrate and a second substrate arranged on the left side of the first substrate, wherein a first pair of supporting frames are fixedly connected to the front end and the rear end of the first substrate, racks are arranged on the opposite sides of the first pair of supporting frames, a second pair of supporting frames are fixedly connected to the front end and the rear end of the second substrate, an end table is fixedly connected to the upper end of the right side of the second pair of supporting frames, a gear is arranged on the opposite side of the end table, a handle fixedly connected with the gear is movably connected to the inner side of the end table, the gears are meshed with the upper ends of the racks, sliding seats are arranged on the upper sides of the first substrate and the second substrate, end clamping seats are fixedly connected to the opposite sides of the first substrate, front side wall clamping rods and rear parallel to the first side wall clamping rods are arranged above the first pair of supporting frames, and front side wall clamping rods and rear parallel to the second side wall clamping rods are arranged above the second pair of supporting frames.

When the fixture for the numerical control lathe is used, a user can screw the handle by hand according to the length of a cylindrical workpiece, the gear is driven to slide left and right by rotating the gear, the distance between the first substrate and the second substrate is adjusted, after the proper adjustment, the positioning insert rod is inserted into the jack on the upper lathe body of the numerical control lathe to lock the workpiece, then the workpiece is placed between the first substrate and the second substrate, the screw rod on the left side and the right side is screwed by hand, the end clamping seat is controlled to move oppositely to abut against the left end and the right end of the cylindrical workpiece to lock the workpiece, the numerical control lathe is started to process the outer side wall of the workpiece, the end clamping seat is released from locking the two ends of the workpiece, the screw rod on the front side and the rear side is screwed by hand, the side wall clamping rod and the side wall clamping rod are controlled to approach the workpiece and finally abut against the surface of the workpiece to lock the workpiece, and then the numerical control lathe is started to process the left end and the right end of the workpiece.

Further, the right side of the upper end of the first substrate and the left side of the upper end of the second substrate are fixedly connected with a first fixing seat, a first screw rod screwing hand is connected to the inner side of the first fixing seat in a threaded mode, the end clamping seat is movably connected with the adjacent first screw rod screwing hand, the first screw rod screwing hand is screwed to enable the first screw rod screwing hand to rotate, horizontal pushing or pulling force is generated on the end clamping seat, and the end clamping seat is controlled to abut against two ends of a workpiece.

Further, the end holder surface is provided with the silica gel pad, sliding seat lower extreme fixedly connected with slider, no. one the base plate with No. two base plate upper ends all are provided with a spout, no. one the slider set up in a spout inboard, the end holder removes the in-process and utilizes the joint of slider and a spout to play the guide effect, improves the mobility stability.

Further, the positioning inserted bars are arranged at the lower end of the first substrate and the lower end of the second substrate, a gasket is arranged on the side wall of one opposite side of the first substrate and the second substrate, a guide rail is fixedly connected to one opposite side of the rack, a guide groove is formed in one opposite side of the second support frame, the guide rail is arranged on the inner side of the guide groove, the rack is connected with the first support frame and the second support frame in series through the clamping connection of the guide rail and the guide groove, balance is kept, and vertical separation of the first support frame and the second support frame is avoided.

Further, both ends fixedly connected with pterygoid lamina around the base plate, no. one lateral wall clamping lever lower extreme fixedly connected with support frame, no. one support frame lower extreme set up in No. one pterygoid lamina upside, both ends fixedly connected with pterygoid lamina around the base plate No. two, no. two lateral wall clamping lever lower extreme fixedly connected with support frame No. two, no. two support frame lower extreme set up in No. two pterygoid lamina upside, no. one support frame and No. two support frames are for having the slant support of certain length, move along a pterygoid lamina and No. two pterygoid lamina upper surfaces respectively.

Further, the upper end of the first wing plate and the upper end of the second wing plate are fixedly connected with second fixing seats, second screw rods are screwed on the inner sides of the second fixing seats in a threaded mode, the first support frame and the second support frame are respectively and adjacently connected with the second screw rods in a screwing mode, the second screw rods are screwed to enable the second screw rods to horizontally rotate and move, and horizontal pushing or pulling force is generated on the first support frame and the second support frame to enable the second support frame to be close to a cylindrical workpiece in the middle.

Further, a support frame lower extreme with No. two support frame lower extreme equal fixedly connected with slider No. two, a pterygoid lamina with No. two pterygoid lamina upper ends all are provided with No. two spouts, no. two sliders set up in No. two spout inboards, a lateral wall clamping lever left end fixedly connected with axis pole, no. two lateral wall clamping levers set up in the axis pole outside, a support frame and No. two support frame removal in-process utilize the joint of slider No. two and No. two spouts to play the guide effect, improve the mobility stability.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: the fixture for the numerical control lathe adopts the end clamping seats oppositely clamped at the two ends of the cylindrical workpiece and the clamping rods clamped on the side wall of the cylindrical workpiece, so that the clamping positions are conveniently switched when different parts of the workpiece are machined, the workpiece does not need to be taken out to adjust the positions, and the fixture is convenient to use; the fixture adopts a left-right separated structure, can be adjusted according to workpieces with different lengths, has a limiting effect on the bottom of the workpiece, can enable the workpiece to stably fall on a bed body of a machine tool, and is more convenient to process.

Drawings

FIG. 1 is a schematic diagram of an assembly structure of a fixture embodiment for a numerically controlled lathe according to the present utility model;

FIG. 2 is a schematic view of a first base structure of an embodiment of a fixture for a numerically controlled lathe according to the present utility model;

FIG. 3 is a schematic view of a second base structure of an embodiment of a fixture for a numerically controlled lathe according to the present utility model;

FIG. 4 is a schematic view of a clamping rod in a specific embodiment of a fixture for a numerically controlled lathe according to the present utility model;

fig. 5 is a schematic view of a clamping seat in a specific embodiment of a clamp for a numerically controlled lathe.

The marks in the drawings are: 1. a first substrate; 2. a first pair of brackets; 3. a rack; 4. a second substrate; 5. a second pair of brackets; 6. an end table; 7. a gear; 8. a handle; 9. a sliding seat; 10. an end clamping seat; 11. a first side wall clamping rod; 12. a second side wall clamping rod; 13. a first fixing seat; 14. screw rod screwing hand number one; 15. a silica gel pad; 16. a first sliding block; 17. a first chute; 18. positioning the inserted link; 19. a gasket; 20. a guide rail; 21. a guide groove; 22. a first wing plate; 23. a first support frame; 24. a second wing plate; 25. a second support frame; 26. a second fixing seat; 27. screw rod screwing hand number two; 28. a second slide block; 29. a second chute; 30. a middle shaft lever.

Detailed Description

The embodiment is a fixture for a numerically controlled lathe, the assembly structure of the fixture is shown in fig. 1, the structure of a first base 1 is shown in fig. 2, the structure of a second base 4 is shown in fig. 3, the structure of a clamping rod is shown in fig. 4, the structure of a clamping seat is shown in fig. 5, the fixture comprises a first substrate 1 and a second substrate 4 arranged on the left side of the first substrate 1, a first pair of brackets 2 are fixedly connected to the front and rear ends of the first substrate 1, racks 3 are arranged on opposite sides of the first pair of brackets 2, a second pair of brackets 5 are fixedly connected to the front and rear ends of the second substrate 4, an end table 6 is fixedly connected to the upper end of the right side of the second pair of brackets 5, a gear 7 is arranged on opposite sides of the end table 6, a handle 8 fixedly connected to the gear 7 is movably connected to the inner side of the end table 6, sliding seats 9 are respectively arranged on the upper sides of the first substrate 1 and the second substrate 4, a second pair of brackets 9 are fixedly connected to the front and rear side walls of the second brackets 11 are arranged on the front and rear sides of the second pair of brackets 2.

To this concrete implementation mode, all have the jack that is used for fixed work piece anchor clamps that a plurality of equidistance set up on the lathe body of digit control machine tool, this jack and the location inserted bar 18 looks adaptation in this scheme, after the location inserted bar 18 inserts the jack, no. 1 base plate and No. 4 then are locked on the lathe body of digit control machine tool, assemble comparatively simply.

The utility model provides a fixing base 13 of the equal fixedly connected with in base plate 1 upper end right side with No. two base plate 4 upper end left side, the inboard threaded connection of base plate 13 has a lead screw twister 14 No. one, end holder 10 with adjacent a lead screw twister 14 swing joint, end holder 10 surface is provided with silica gel pad 15, sliding seat 9 lower extreme fixedly connected with slider 16, base plate 1 with No. two base plate 4 upper ends all are provided with a spout 17, slider 16 set up in No. one spout 17 inboard, base plate 1 lower extreme with No. two base plate 4 lower extreme all installs location inserted bar 18, base plate 1 with No. two base plate 4 opposite side's lateral wall is provided with liner 19, rack 3 is carried forward one side fixedly connected with guide rail 20, no. two are provided with guide slot 21 to support 5 opposite side, guide rail 20 set up in guide slot 21 inboard, make one twist one and move and are made to rotate and are held the holder 10 and are held the end by the guide slot 17, and are held the guide slot 10 to the side of the opposite direction opposite directions, and are held the end through the slider 16, and are held the guide slot 20 to the side of opposite direction opposite directions, and are held the end holder 10, and the side of the end is held by the guide rail 20 through the side of the opposite direction holder 10, and the two is kept the side of the guide rail holder 10, and the two is kept the side.

Meanwhile, a wing plate 22 is fixedly connected to the front and rear ends of the first substrate 1, a first support frame 23 is fixedly connected to the lower end of the first side wall clamping rod 11, the lower end of the first support frame 23 is arranged on the upper side of the first wing plate 22, a second wing plate 24 is fixedly connected to the front and rear ends of the second substrate 4, a second support frame 25 is fixedly connected to the lower end of the second side wall clamping rod 12, the lower end of the second support frame 25 is arranged on the upper side of the second wing plate 24, a second fixing seat 26 is fixedly connected to the upper end of the first wing plate 22 and the upper end of the second wing plate 24, a second screw wrench 27 is connected to the inner side threads of the second fixing seat 26, the first support frame 23 and the second support frame 25 are respectively and movably connected with the adjacent second screw wrench 27, a second slider 28 is fixedly connected to the lower end of the first support frame 23 and the lower end of the second support frame 25, the upper ends of the first wing plate 22 and the second wing plate 24 are respectively provided with a second sliding groove 29, the second sliding block 28 is arranged on the inner side of the second sliding groove 29, the left end of the first side wall clamping rod 11 is fixedly connected with a middle shaft rod 30, the second side wall clamping rod 12 is arranged on the outer side of the middle shaft rod 30, the first supporting frame 23 and the second supporting frame 25 are oblique brackets with a certain length, the screw rod screwing hand 27 is screwed to horizontally rotate and move along the upper surfaces of the first wing plate 22 and the second wing plate 24 respectively, so that horizontal pushing or pulling force is generated on the first support frame 23 and the second support frame 25, the first support frame 23 and the second support frame 25 are close to a cylindrical workpiece in the middle, the clamping connection of the second sliding block 28 and the second sliding groove 29 is utilized in the moving process of the first support frame 23 and the second support frame 25 to play a guiding role, and the moving stability is improved.

When the clamp for the numerical control lathe is used, a user manually screws the handle 8 according to the length of a cylindrical workpiece, the gear 7 rotates to drive the rack 3 to slide left and right, the distance between the first substrate 1 and the second substrate 4 is adjusted, after the adjustment is proper, the positioning insert rod 18 is inserted into a jack on a lathe body of the numerical control lathe to lock, then the workpiece is placed between the first substrate 1 and the second substrate 4, the first screw rod screws 14 on the left side and the right side are manually screwed firstly, the end clamping seat 10 is controlled to move oppositely to abut against the left end and the right end of the cylindrical workpiece to lock the workpiece, the numerical control lathe is started to process the outer side wall of the workpiece, the locking of the end clamping seat 10 on the two ends of the workpiece is released, the second screw rod screws 27 on the front side and the rear side are manually screwed, the first side wall clamping rod 11 and the second side wall clamping rod 12 are controlled to approach the workpiece and finally abut against the surface of the workpiece to lock, and then the numerical control lathe is started to process the left end and the right end of the workpiece.

Claims

1. The fixture for the numerical control lathe comprises a first substrate (1) and a second substrate (4) arranged on the left side of the first substrate (1); the novel sliding support is characterized in that a pair of supporting frames (2) are fixedly connected to the front end and the rear end of a first substrate (1), a rack (3) is arranged on the opposite side of the pair of supporting frames (2), a second pair of supporting frames (5) are fixedly connected to the front end and the rear end of a second substrate (4), an end table (6) is fixedly connected to the upper right end of the second pair of supporting frames (5), a gear (7) is arranged on the opposite side of the end table (6), a handle (8) fixedly connected with the gear (7) is movably connected to the inner side of the end table (6), the gear (7) is meshed and connected to the upper end of the rack (3), sliding seats (9) are arranged on the upper sides of the first substrate (1) and the second substrate (4), end clamping seats (10) are fixedly connected to the opposite sides of the sliding seats, a front side wall clamping rod (11) and a rear side wall clamping rod (12) are arranged on the upper side of the second pair of supporting frames (5).

2. The fixture for the numerically controlled lathe according to claim 1, wherein a first fixing seat (13) is fixedly connected to the right side of the upper end of the first substrate (1) and the left side of the upper end of the second substrate (4), a first screw rod screwing hand (14) is connected to the inner side of the first fixing seat (13) in a threaded mode, and the end clamping seat (10) is movably connected with the adjacent first screw rod screwing hand (14).

3. The fixture for the numerically controlled lathe according to claim 1, wherein a silica gel pad (15) is arranged on the surface of the end clamping seat (10), a first sliding block (16) is fixedly connected to the lower end of the sliding seat (9), a first sliding groove (17) is formed in the upper ends of the first substrate (1) and the second substrate (4), and the first sliding block (16) is arranged on the inner side of the first sliding groove (17).

4. The fixture for the numerically controlled lathe according to claim 1, wherein a positioning inserting rod (18) is installed at the lower end of the first substrate (1) and the lower end of the second substrate (4), a gasket (19) is arranged on the side wall of the opposite side of the first substrate (1) and the second substrate (4), a guide rail (20) is fixedly connected to the opposite side of the rack (3), a guide groove (21) is arranged on the opposite side of the second opposite bracket (5), and the guide rail (20) is arranged on the inner side of the guide groove (21).

5. The fixture for the numerically controlled lathe according to claim 1, wherein a wing plate (22) is fixedly connected to the front end and the rear end of the first substrate (1), a support frame (23) is fixedly connected to the lower end of the first side wall clamping rod (11), the lower end of the first support frame (23) is arranged on the upper side of the first wing plate (22), a wing plate (24) is fixedly connected to the front end and the rear end of the second substrate (4), a second support frame (25) is fixedly connected to the lower end of the second side wall clamping rod (12), and the lower end of the second support frame (25) is arranged on the upper side of the second wing plate (24).

6. The fixture for the numerically controlled lathe according to claim 5, wherein a second fixing seat (26) is fixedly connected to the upper end of the first wing plate (22) and the upper end of the second wing plate (24), a second screw screwing hand (27) is connected to the inner side of the second fixing seat (26) in a threaded manner, and the first support frame (23) and the second support frame (25) are respectively and movably connected with the adjacent second screw screwing hand (27).

7. The fixture for the numerically controlled lathe according to claim 5, wherein a second sliding block (28) is fixedly connected to the lower end of the first supporting frame (23) and the lower end of the second supporting frame (25), a second sliding groove (29) is formed in the upper ends of the first wing plate (22) and the second wing plate (24), the second sliding block (28) is arranged on the inner side of the second sliding groove (29), a middle shaft rod (30) is fixedly connected to the left end of the first side wall clamping rod (11), and the second side wall clamping rod (12) is arranged on the outer side of the middle shaft rod (30).