Fixed fixture of numerical control vertical lathe

Abstract

The utility model discloses a numerical control vertical lathe fixing clamp which comprises a lathe, an installation frame is fixedly installed in the lathe, a fixing frame is fixedly installed in the lathe, an installation base is arranged on the fixing frame, the installation base is rotatably connected with the fixing frame through an installation shaft, and two sets of clamping bases which are symmetrically distributed are arranged on the installation base. Mounting discs are rotatably mounted in the two groups of clamping seats, annular teeth are fixedly mounted on the mounting discs, three groups of clamping blocks which are annularly distributed are arranged on the clamping seats, sliding blocks are fixedly mounted on the three groups of clamping blocks, and two groups of brackets which are distributed in a crossed manner are arranged between the clamping seats and the mounting seats; the position of a single set of clamping seats is adjusted through the two sets of supports which are distributed between the clamping seats and the mounting seats in a crossed mode, pre-fixing of workpieces on the lower clamping seats can be conveniently completed in the machining process of the workpieces on the upper clamping seats, the time consumed for clamping and fixing the workpieces after the workpieces are disassembled is shortened, and the working efficiency of a lathe is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixed clamp, specifically is a numerical control vertical lathe fixed clamp. BACKGROUND

[0002] Numerical control lathe is one of numerical control machine tools that is used more widely. It is mainly used for the cutting processing of the inner and outer cylindrical surface of shaft parts or disc parts, the inner and outer conical surface of arbitrary taper angle, complicated rotary inner and outer curved surface and cylindrical, conical thread, etc., and can carry out cutting groove, drilling, hole expanding, reaming and boring, etc., and the clamp is the device that is used for fixing the processing object in the mechanical manufacturing process, makes it be in the correct position to accept the construction or detection.

[0003] In the prior art, after a group of workpieces are completed, a certain time is spent in disassembling the processed workpieces and installing new workpieces to be processed, so that the next work of the lathe can be carried out, and the clamping or disassembling of the workpieces needs to be completed manually by the workers, so the work efficiency is low. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a numerical control vertical lathe fixed clamp to solve the problems in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a numerical control vertical lathe fixed clamp, comprising a lathe, a mounting frame is fixedly installed in the lathe, a fixed frame is fixedly installed in the lathe, a mounting seat is arranged on the fixed frame, the mounting seat is rotatably connected with the fixed frame through a mounting shaft, two groups of clamping seats are symmetrically arranged on the mounting seat, a mounting disc is rotatably installed in each of the two groups of clamping seats, an annular tooth is fixedly installed on the mounting disc, three groups of clamping blocks are annularly arranged on the clamping seat, a sliding block is fixedly installed on each of the three groups of clamping blocks, the three groups of clamping blocks are slidably connected with the clamping seat through the sliding blocks, the three groups of sliding blocks are meshingly connected with the mounting disc through the annular tooth, two groups of brackets are arranged between the clamping seat and the mounting seat, a moving block is rotatably installed at the two ends of each of the two groups of brackets, four groups of adjusting blocks are symmetrically arranged above the mounting frame, and the clamping seat and the mounting frame are correspondingly arranged at the center positions.

[0006] As a further preferred embodiment of the present technical solution, a first gear is sleeved on the mounting shaft, a first rack is slidably installed in the fixed frame, a first cylinder is arranged in the fixed frame, the first rack is connected with the output end of the piston rod of the first cylinder, and the first rack is meshingly connected with the first gear.

[0007] As a further preferred of the technical solution, the mounting disc is sleeved with a second gear, the clamping seat is slidably provided with a second rack, the clamping seat is provided with a second cylinder, the second rack is connected with the output end of the piston rod of the second cylinder, and the second rack is meshingly connected with the second gear.

[0008] As a further preferred of the technical solution, the mounting seat and the clamping seat are both rotatably provided with a bidirectional screw rod, the two ends of the bidirectional screw rod respectively penetrate through two groups of corresponding moving blocks and are threadedly connected with the two groups of moving blocks, and the moving blocks are slidably connected with the corresponding clamping seat or mounting seat.

[0009] As a further preferred of the technical solution, the mounting frame is slidably provided with two groups of symmetrically distributed first adjusting rods, the mounting frame is slidably provided with two groups of symmetrically distributed second adjusting rods, the two groups of first adjusting rods and the second adjusting rods are vertically distributed, and four groups of adjusting blocks are slidably sleeved with a corresponding group of first adjusting rods and second adjusting rods.

[0010] As a further preferred of the technical solution, the mounting frame is rotatably provided with a first bidirectional screw rod, and the two ends of the first bidirectional screw rod respectively penetrate through two groups of first adjusting rods and are threadedly connected with the two groups of first adjusting rods.

[0011] As a further preferred of the technical solution, the mounting frame is rotatably provided with a second bidirectional screw rod, and the two ends of the second bidirectional screw rod respectively penetrate through two groups of second adjusting rods and are threadedly connected with the two groups of second adjusting rods.

[0012] The utility model provides a numerical control vertical lathe fixed clamp, has the following beneficial effect:

[0013] (1) the utility model discloses a clamping seat three groups of clamping blocks realize the center position clamping of the workpiece to be processed, and the position of two clamping seats is adjusted through the mounting seat overturning, and the position of single clamping seat is adjusted through the two groups of supports of the cross distribution between the clamping seat and the mounting seat, so that the workpiece pre-fixing on the lower clamping seat can be completed during the workpiece processing on the upper clamping seat, the time needed for workpiece disassembly and then clamping and fixing is reduced, and the lathe working efficiency is improved.

[0014] (2) the utility model discloses the mounting frame and the four groups of symmetrically distributed adjusting blocks on the mounting frame realize the center position placement of the workpiece to be clamped, and the automatic clamping of the workpiece can be completed in cooperation with the clamping seat below, so that manual clamping of the workpiece by the staff is not needed, and the labor intensity of the staff is reduced. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the structure schematic view of the fixed frame of the utility model;

[0017] Figure 3 It is the structure schematic view of the mounting seat of the utility model;

[0018] Figure 4 It is the structure schematic view of the utility model's Figure 3 It is the structure enlarged view of A place in the middle;

[0019] Figure 5 It is the structure schematic view of the clamping seat of the utility model;

[0020] In the figure: 1, lathe; 2, mounting frame; 3, mounting seat; 4, fixed frame; 5, mounting shaft; 6, first gear; 7, first rack; 8, first cylinder; 9, clamping seat; 10, support; 11, moving block; 12, two-way screw; 13, mounting disc; 14, second gear; 15, second rack; 16, second cylinder; 17, annular tooth; 18, sliding block; 19, clamping block; 20, adjusting block; 21, first adjusting rod; 22, second adjusting rod; 23, first two-way screw; 24, second two-way screw. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model.

[0022] The utility model provides technical scheme: such as Figures 1-5As shown, in this embodiment, a numerical control vertical lathe fixed clamp, including lathe 1, lathe 1 is fixedly installed with installation frame 2, lathe 1 is fixedly installed with fixed frame 4, fixed frame 4 is equipped with mounting seat 3, mounting seat 3 is rotatably connected with fixed frame 4 through installation shaft 5, mounting seat 3 is equipped with two groups of symmetrically distributed clamping seats 9, two groups of clamping seats 9 are rotatably installed with installation disc 13, installation disc 13 is fixedly installed with annular teeth 17, clamping seat 9 is equipped with three groups of annularly distributed clamping blocks 19, three groups of clamping blocks 19 are fixedly installed with sliding blocks 18, three groups of clamping blocks 19 are slidably connected with clamping seat 9 through sliding blocks 18, three groups of sliding blocks 18 are meshingly connected with installation disc 13 through annular teeth 17, two groups of cross-distributed supports 10 are arranged between clamping seat 9 and mounting seat 3, two ends of two groups of supports 10 are rotatably installed with moving blocks 11, four groups of symmetrically distributed adjusting blocks 20 are arranged above installation frame 2, clamping seat 9 is correspondingly distributed with installation frame 2 at the center position, first gear 6 is sleeved on installation shaft 5, first rack 7 is slidably installed in fixed frame 4, first cylinder 8 is arranged in fixed frame 4, output end of piston rod of first cylinder 8 is connected with first rack 7, first rack 7 is meshingly connected with first gear 6, first cylinder 8 drives first rack 7 to slide in fixed frame 4, and the turning of installation shaft 5, clamping seat 3 and clamping seat 9 in clamping seat 3 on fixed frame 4 can be realized by cooperating with first gear 6, and then the position conversion between two groups of clamping seats 9 is completed, second gear 14 is sleeved on installation disc 13, second rack 15 is slidably installed in clamping seat 9, second cylinder 16 is arranged in clamping seat 9, output end of piston rod of second cylinder 16 is connected with second rack 15, second rack 15 is meshingly connected with second gear 14, bidirectional screw 12 is rotatably installed in clamping seat 9 and mounting seat 3, two ends of bidirectional screw 12 respectively penetrate through two groups of corresponding moving blocks 11 and are respectively threadedly connected with two groups of moving blocks 11, moving blocks 11 are slidably connected with corresponding clamping seat 9 or mounting seat 3, the sliding of second rack 15 in clamping seat 9 is driven by second cylinder 16, and the rotation of installation disc 13 can be realized by cooperating with second gear 14, the rotation of annular teeth 17 is driven by installation disc 13, and the corresponding clamping block 19 can be driven to slide synchronously inward or outward by sliding block 18 meshingly connected with installation disc 13 through annular teeth 17 under the limiting action of clamping seat 9, the clamping or loosening of the workpiece for machining is completed, the rotation of corresponding bidirectional screw 12 is driven by motor in clamping seat 9 and mounting seat 3, and then the distance between two groups of moving blocks 11 is adjusted, and then the adjustment of the angle of support 10 is realized, the adjustment of the position of clamping seat 9 from mounting seat 3 is realized, and the automatic feeding of workpiece by lower clamping seat 9 is facilitated.

[0023] As Figure 3 and Figure 4As shown, two groups of symmetrically distributed first adjusting rods 21 are slidingly installed in the mounting frame 2, two groups of symmetrically distributed second adjusting rods 22 are slidingly installed in the mounting frame 2, the two groups of first adjusting rods 21 and the second adjusting rods 22 are vertically distributed, four groups of adjusting blocks 20 are respectively slidingly sleeved with a corresponding group of first adjusting rods 21 and second adjusting rods 22, a first bidirectional screw rod 23 is rotatably installed in the mounting frame 2, both ends of the first bidirectional screw rod 23 respectively penetrate through the two groups of first adjusting rods 21 and are respectively threadedly connected with the two groups of first adjusting rods 21, a second bidirectional screw rod 24 is rotatably installed in the mounting frame 2, both ends of the second bidirectional screw rod 24 respectively penetrate through the two groups of second adjusting rods 22 and are respectively threadedly connected with the two groups of second adjusting rods 22, the worker directly places the workpiece to be fixed and clamped on the mounting frame 2, the two groups of motors in the mounting frame 2 drive the rotation of the corresponding first bidirectional screw rod 23 or the second bidirectional screw rod 24, the spacing between the two groups of first adjusting rods 21 and the two groups of second adjusting rods 22 is adjusted under the limiting action of the mounting frame 2, and then the synchronous gathering of the four groups of adjusting blocks 20 is realized, the position of the workpiece to be fixed is adjusted to the center position of the mounting frame 2, and the clamping seat 9 corresponding to the center position of the mounting frame 2 is facilitated to complete the clamping and fixing of the workpiece.

[0024] The utility model provides a numerical control vertical lathe fixed clamp, specific working principle is as follows: first gear 6 can realize that the mounting shaft 5 drives the overturn of mounting seat 3 and the clamping seat 9 in mounting seat 3 on fixed frame 4, and then completes the conversion of the position between two clamping seats 9, the sliding of second rack 15 is driven by second cylinder 16 in clamping seat 9, and the rotation of mounting disc 13 can be realized by cooperating with second gear 14, the rotation of ring tooth 17 is driven by mounting disc 13, and the sliding block 18 connected by the meshing of ring tooth 17 and mounting disc 13 can drive the corresponding clamping block 19 to slide inwards or outwards synchronously under the limiting action of clamping seat 9, and the clamping or loosening of the workpiece is completed, the rotation of the corresponding bidirectional screw rod 12 is driven by the motor in mounting seat 3 and clamping seat 9, and then the distance between the two groups of moving blocks 11 is adjusted, and then the adjustment of the angle of support 10 is realized, the adjustment of the distance between mounting seat 3 and clamping seat 9 is realized, and the automatic feeding of the workpiece by the lower clamping seat 9 is facilitated, the worker directly places the workpiece to be fixed and clamped on the mounting frame 2, the rotation of the corresponding first bidirectional screw rod 23 or the second bidirectional screw rod 24 is driven by the two groups of motors in the mounting frame 2, the spacing between the two groups of first adjusting rods 21 and the two groups of second adjusting rods 22 is adjusted under the limiting action of the mounting frame 2, and then the synchronous gathering of the four groups of adjusting blocks 20 is realized, the position of the workpiece to be fixed is adjusted to the center position of the mounting frame 2, and the clamping and fixing of the workpiece by the clamping seat 9 corresponding to the center position of the mounting frame 2 is facilitated.

[0025] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A CNC vertical lathe fixing fixture, comprising a lathe (1), characterized in that: A mounting frame (2) is fixedly installed inside the lathe (1), and a fixing frame (4) is fixedly installed inside the lathe (1). A mounting seat (3) is provided on the fixing frame (4). The mounting seat (3) is rotatably connected to the fixing frame (4) via a mounting shaft (5). Two sets of symmetrically distributed clamping seats (9) are provided on the mounting seat (3). A mounting disc (13) is rotatably installed in each of the two sets of clamping seats (9). A ring gear (17) is fixedly installed on the mounting disc (13). Three sets of ring-shaped clamping blocks (19) are provided on the clamping seats (9). The three sets of clamping blocks (19)... Each of the three sets of clamping blocks (19) is fixedly installed with a slider (18). The three sets of sliders (18) are slidably connected to the clamping seat (9) through the slider (18). The three sets of sliders (18) are meshed with the mounting plate (13) through the ring tooth (17). There are two sets of cross-distributed brackets (10) between the clamping seat (9) and the mounting seat (3). The two ends of the two sets of brackets (10) are rotatably installed with moving blocks (11). There are four sets of symmetrically distributed adjusting blocks (20) above the mounting frame (2). The clamping seat (9) and the center position of the mounting frame (2) are correspondingly distributed.

2. The CNC vertical lathe fixing fixture according to claim 1, characterized in that: A first gear (6) is sleeved on the mounting shaft (5), a first rack (7) is slidably installed in the fixing frame (4), a first cylinder (8) is provided in the fixing frame (4), the first rack (7) is connected to the output end of the piston rod of the first cylinder (8), and the first rack (7) is meshed with the first gear (6).

3. A CNC vertical lathe fixing fixture according to claim 1, characterized in that: The mounting plate (13) is fitted with a second gear (14), and a second rack (15) is slidably installed in the clamping seat (9). The clamping seat (9) is provided with a second cylinder (16). The second rack (15) is connected to the output end of the piston rod of the second cylinder (16), and the second rack (15) is meshed with the second gear (14).

4. A CNC vertical lathe fixing fixture according to claim 1, characterized in that: Both the mounting base (3) and the clamping base (9) are rotatably installed with bidirectional screws (12). The two ends of the bidirectional screws (12) pass through two sets of corresponding moving blocks (11) and are threadedly connected to the two sets of moving blocks (11). The moving blocks (11) are slidably connected to the corresponding clamping base (9) or mounting base (3).

5. A CNC vertical lathe fixing fixture according to claim 1, characterized in that: Two sets of symmetrically distributed first adjusting rods (21) are slidably installed in the mounting frame (2), and two sets of symmetrically distributed second adjusting rods (22) are slidably installed in the mounting frame (2). The two sets of first adjusting rods (21) and second adjusting rods (22) are perpendicularly distributed. The four sets of adjusting blocks (20) are slidably sleeved with the corresponding set of first adjusting rods (21) and second adjusting rods (22).

6. A CNC vertical lathe fixing fixture according to claim 1, characterized in that: The first bidirectional lead screw (23) is rotatably installed inside the mounting frame (2). The two ends of the first bidirectional lead screw (23) pass through two sets of first adjusting rods (21) and are threadedly connected to the two sets of first adjusting rods (21) respectively.

7. A CNC vertical lathe fixing fixture according to claim 1, characterized in that: A second bidirectional lead screw (24) is rotatably installed inside the mounting frame (2). The two ends of the second bidirectional lead screw (24) pass through two sets of second adjusting rods (22) and are threadedly connected to the two sets of second adjusting rods (22) respectively.

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