CN217647509U - Combined clamp for machining multiple surfaces of workpiece of CNC (computer numerical control) lathe - Google Patents

Abstract

The utility model belongs to the technical field of turning attachment device, especially, be a modular fixture of CNC lathe work piece multiaspect processing, including base, supporting shoe, holder and fastener, the sliding tray has been seted up on the base, sliding connection has the lug in the sliding tray, sliding connection has the supporting shoe on the lug. The utility model discloses, the on-line screen storage device comprises a base, the lug, the supporting shoe, holder and fastener, when carrying out the centre gripping to the machined part of different models, can be through adjusting the interval between two supporting shoes, adjust to the size distance that adapts to the machined part, can be with the firm centre gripping of machined part through the holder in two backup pads, need trade the face and add man-hour and make the holder rotatory on the supporting shoe through the loose fastener of unloading, because the bearing design, can make the holder provide the rotatory arbitrary angle of axis of rotation, behind angle of adjustment, fasten the fastener, make angular positioning, can satisfy the not co-planar processing of machined part.

Description

A combined fixture for multi-face machining of CNC lathe workpieces

technical field

The utility model relates to the technical field of a lathe fixture device, in particular to a combined fixture for multi-face machining of a CNC lathe workpiece.

Background technique

In the CNC (Numerical Control Machine Tool) processing industry, when processing a product with multiple sides, it generally requires the cooperation of multiple machines. For example, when processing a product with four sides, each side must be drilled and milled. According to the traditional The method is to use one machine for one process, and multiple face processing needs to be completed with the cooperation of multiple machines.

However, the existing lathe fixture has the following shortcomings: after clamping the workpiece, it cannot meet the multi-face processing requirements, and it needs to be clamped side by side. Usually, it needs to be re-pointed for processing after the machine is stopped to change the side, which takes a lot of time. The traditional vise cannot When clamping workpieces of different sizes, it is often necessary to replace the fixture for processing.

Utility model content

(1) Technical problems solved

In view of the deficiencies of the prior art, the utility model provides a combined fixture for multi-face machining of CNC lathe workpieces, which solves the problem that the fixture proposed in the above background technology cannot meet the requirements of multi-sided machining and clamping and that the fixture cannot be used for different types of workpieces. Clamping problem.

(2) Technical solutions

The utility model specifically adopts the following technical solutions in order to achieve the above-mentioned purpose:

A composite fixture for multi-faceted machining of CNC lathe workpieces, comprising a base, a support block, a clamping piece and a fastener, wherein a sliding groove is formed on the base, a convex block is slidably connected in the sliding groove, and the convex block is A support block is slidably connected, one side of the support block is rotatably connected with a clamping piece, and a side of the support block away from the clamping piece is provided with a fastener, and the fastener is threadedly connected to the clamping piece. one end.

Further, the two ends of the base are provided with end caps, the four corners of the end caps are all threadedly connected with first bolts, the first bolts are threadedly connected to the base, and the upper surface of the base is connected to the support block. A first anti-skid pattern is arranged at the junction, and a scale line is arranged on one side of the base.

Further, the protruding block is inserted into the support block through a sliding rod, and the sliding rod is fixedly connected to the protruding block.

Further, two second bolts are symmetrically arranged on both sides of the connecting end of the support block and the convex block, and an angle line is provided on the support block corresponding to the circumference of the fastener.

Further, the clamping piece is composed of a fixed plate, an insertion slot, a bottom block, a top block, a third bolt, a rotating shaft, a bearing and a limit slot, and an insertion slot is provided on one side of the fixed plate, so A bottom block is fixedly connected to the fixing plate at the end of the insertion slot, a top block is slidably connected in the insertion slot, and the top block is connected to the bottom block through a third bolt, and the center of the other side of the fixing plate is A rotating shaft is fixedly connected at the part, a bearing is sleeved on the rotating shaft, a limit groove is set at one end of the rotating shaft, and the rotating shaft is rotatably connected to the support block through the bearing.

Further, the fastener is composed of an anti-skid cover, an indicator arrow, a fourth bolt, a second anti-skid pattern and a limit rod, the anti-skid cover is provided with an indicator arrow, and the anti-skid indicator on the same side of the indicator arrow is A fourth bolt is arranged at the center of the cover, a second anti-slip pattern is arranged on the side of the anti-skid cover away from the fourth bolt, and a limit rod is fixedly connected to the groove of the anti-slip cover on the same side of the second anti-slip pattern. , the limit rod is slidably connected in the limit groove, and the fourth bolt is threadedly connected to one end of the rotating shaft.

(3) Beneficial effects

Compared with the prior art, the utility model provides a composite fixture for multi-face machining of CNC lathe workpieces, which has the following beneficial effects:

The utility model, through the base, the bump, the supporting block, the clamping piece and the fastener, can adjust the distance between the two supporting blocks to adapt to the machining piece when clamping different types of machining pieces. The size distance, the workpiece can be firmly clamped by the clamping pieces on the two support plates, and the clamping piece can be rotated on the support block by loosening the fasteners when the face is changed for processing. Due to the bearing design, it can make The clamping piece can be rotated at any angle through the rotating shaft. After adjusting the angle, tighten the fastener to make the angle position, which can meet the processing of different surfaces of the workpiece.

Description of drawings

1 is a schematic diagram of the overall structure of the present utility model;

Fig. 2 is the partial structure schematic diagram of the base of the present invention;

Fig. 3 is the structural schematic diagram of the support block of the present invention;

FIG. 4 is a schematic structural diagram of a clamping piece of the present invention;

FIG. 5 is a schematic structural diagram of the fastener of the present invention.

In the figure: 1, base; 101, end cover; 102, first bolt; 103, sliding groove; 104, first anti-skid pattern; 105, scale line; 2, bump; 201, sliding rod; 3, support block; 301, the second bolt; 302, the angle line; 4, the clamping part; 401, the fixed plate; 402, the socket; 403, the bottom block; 404, the top block; 405, the third bolt; 406, the rotating shaft; 407 , bearing; 408, limit groove; 5, fastener; 501, anti-skid cover; 502, indicating arrow; 503, fourth bolt; 504, second anti-skid pattern; 505, limit rod.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example

As shown in Figures 1-5, an embodiment of the present utility model proposes a composite fixture for multi-face machining of CNC lathe workpieces, including a base 1, a support block 3, a clamping member 4 and a fastener 5, and the base 1 is provided with Sliding slot 103, a bump 2 is slidably connected in the sliding slot 103, a support block 3 is slidably connected to the bump 2, and a clamping piece 4 is rotatably connected to one side of the support block 3, and the support block 3 is away from the clamping piece 4. A fastener 5 is provided on one side, and the fastener 5 is threadedly connected to one end of the clamping member 4 .

To sum up, firstly, the base 1 is fixedly connected to the processing machine tool through the mounting hole at the bottom. During use, the two support blocks 3 on the base 1 can be adjusted according to the size of the workpiece. The fixture is set symmetrically during adjustment. The components need to be adjusted synchronously. In the following, the components on one side are adjusted by default. The indication arrow 502 set on the side of the support block 3 is compared with the scale line 105 set on the side of the base 1, and the distance between the two support blocks 3 is adjusted. Then, the second bolt 301 is threaded to the lug 2 slidably connected in the sliding groove 103, and the second bolt 301 is tightened. When the second bolt 301 is tightened, the supporting block 3 and the lug 2 are connected The support block 3 is tightly connected to the base 1 through the connection of the bump 2, and the interface between the base 1 and the support block 3 is provided with a first anti-skid pattern 104. Through the design of the first anti-skid pattern 104, the Keep the position of the support block 3 fixed on the base 1 to ensure that the support block 3 will not move when the workpiece is processed. After adjusting the support block 3, place the workpiece on the clamping pieces set on the two support blocks 3 4, place the workpiece between the bottom block 403 and the top block 404, tighten the third bolt 405 to reduce the distance between the bottom block 403 and the top block 404, and firmly clamp the workpiece between the bottom block 403 and the top block 404. Between the top blocks 404, the two clamping members 4 can be clamped at both ends of the workpiece, the clamping member 4 on one side is clamped horizontally, and the clamping member 4 on the other side is clamped vertically, so that the clamping member 4 can be clamped vertically. It can be held more firmly to prevent the workpiece from falling off due to the fact that the workpiece is not clamped firmly during the processing. After clamping, the workpiece can be processed. When the workpiece needs to be changed for processing, the fastener 5 can be loosened to make The distance between the anti-skid cover 501 and the support block 3 is increased, a limit rod 505 is arranged in the cavity of the anti-skid cover 501 , and the limit rod 505 is slidably connected in the limit groove 408 . , which can make the fastener 5 move in a limited position at one end of the rotating shaft 406, so that the second anti-skid pattern 504 can be released from the tight fit between the support block 3, and the clamping member 4 can pass through the bearing 407 and rotate. The shaft 406 rotates with the support block 3, the angle line 302 set on the reading support block 3 can be compared with the indicating arrow 502, the clamping member 4 can be rotated to the required angle, and then the fourth bolt on the anti-skid cover 501 can be rotated 503 Tighten the connection with one end of the rotating shaft 406, so that the second anti-skid pattern 504 is tightly attached to the support block 3, and the processing can be continued, so that different surfaces of the workpiece can be processed. Through design, it can be processed without removing it. In the case of workpieces, adjust the fixture to avoid the need to reposition before processing due to adjusting the processing surface after removing the workpiece, which is time-consuming and labor-intensive. The processing of different sides of the workpiece improves the practicability and convenience.

As shown in FIG. 1 and FIG. 2 , in some embodiments, end caps 101 are provided at both ends of the base 1 , the four corners of the end cap 101 are threadedly connected with first bolts 102 , and the first bolts 102 are threadedly connected to the base 1, the upper surface of the base 1 and the support block 3 are provided with a first anti-skid pattern 104, one side of the base 1 is provided with a scale line 105, and the end cover 101 is connected to the two ends of the base 1 through the first bolt 102, which can be By removing the end cover 101 and taking out the bump 2 from the sliding groove 103, the support block 3 can be replaced, which is beneficial for the clamp not suitable for clamping the workpiece or for maintenance. The first anti-skid pattern 104 is used to make the support block 3 more secure is fixed on the base 1, by increasing the friction force to ensure that the support plate 3 will not move during processing, so as to ensure the precise processing of the workpiece.

As shown in FIG. 3 , in some embodiments, the protruding block 2 is inserted into the support block 3 through a sliding rod 201 , the sliding rod 201 is fixedly connected to the protruding block 2 , and the protruding block 2 is used for connection with the supporting block 3 Fix, to ensure that the support block 3 can be firmly installed on the base 1 to ensure the normal use of the fixture.

As shown in FIG. 3 , in some embodiments, two second bolts 301 are symmetrically arranged on both sides of the interface end of the support block 3 and the bump 2 , and an angle line 302 is provided on the support block 3 corresponding to the circumference of the fastener 5 , the second bolt 301 is threadedly connected to the bump 2 for the connection and fixation between the support block 3 and the bump 2, the angle line 302 is used to match the indicator arrow 502 on the anti-skid cover 501 to compare the reading, which can achieve accurate reading Flip the angle of the workpiece to ensure the quality of the processing.

As shown in FIG. 3 , in some embodiments, the clamping member 4 is composed of a fixed plate 401 , a socket slot 402 , a bottom block 403 , a top block 404 , a third bolt 405 , a rotating shaft 406 , a bearing 407 and a limit groove 408 One side of the fixed plate 401 is provided with a plug slot 402, a bottom block 403 is fixedly connected to the fixed plate 401 at the end of the plug groove 402, and a top block 404 is slidably connected in the plug groove 402, and the top block 404 passes through the first The three bolts 405 are connected with the bottom block 403 , a rotating shaft 406 is fixedly connected to the central part of the other side of the fixed plate 401 , the rotating shaft 406 is sleeved with a bearing 407 , and one end of the rotating shaft 406 is provided with a limiting groove 408 , and the rotating shaft 406 The bearing 407 is rotatably connected to the support block, the workpiece is placed on the clamps 4 provided on the two support blocks 3, and the workpiece is placed between the bottom block 403 and the top block 404, and the third bolt 405 is tightened by tightening the third bolt 405. , the distance between the bottom block 403 and the top block 404 is reduced, the workpiece is firmly clamped between the bottom block 403 and the top block 404, and the two clamping elements 4 can be clamped at both ends of the workpiece. The clamping member 4 on the side is clamped horizontally, and the clamping member 4 on the other side is clamped vertically, which can ensure a firmer clamping and avoid the workpiece falling off due to the unreliable clamping during processing.

As shown in FIG. 3 and FIG. 5 , in some embodiments, the fastener 5 is composed of an anti-skid cover 501 , an indicator arrow 502 , a fourth bolt 503 , a second anti-skid pattern 504 and a limit rod 505 , and the anti-skid cover 501 An indicator arrow 502 is provided on the upper part, a fourth bolt 503 is arranged at the center of the anti-skid cover 501 on the same side of the indicator arrow 502, and a second anti-skid pattern 504 is provided on the side of the anti-skid cover 501 away from the fourth bolt A limit rod 505 is fixedly connected to the groove of the anti-skid cover 501 on the same side of the anti-skid pattern 504. The limit rod 505 is slidably connected in the limit groove 408. Remove the fastener 5 to increase the distance between the anti-skid cover 501 and the support block 3. A limit rod 505 is arranged in the cavity of the anti-skid cover 501, and the limit rod 505 is slidably connected to the limit groove 408. After the anti-skid cover 501 is loosened, the fastener 5 can be limited to move at one end of the rotating shaft 406, so that the second anti-skid pattern 504 can be released from the tight fit between the support block 3 and the clamping piece can be selected. 4.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (6)

1. A composite fixture for multi-face machining of CNC lathe workpieces, comprising a base (1), a support block (3), a clamping piece (4) and a fastener (5), characterized in that: on the base (1) A sliding groove (103) is provided, a convex block (2) is slidably connected in the sliding groove (103), a support block (3) is slidably connected to the convex block (2), and the support block (3) is slidably connected with the support block (3). A clamping member (4) is rotatably connected to one side, and a fastener (5) is provided on the side of the support block (3) away from the clamping member (4), and the fastener (5) is threadedly connected to the One end of the clamp (4). 2. The composite fixture for multi-face machining of CNC lathe workpieces according to claim 1, wherein the base (1) is provided with end caps (101) at both ends, and the four corners of the end cap (101) are provided with end caps (101). The first bolts (102) are threadedly connected to the parts, and the first bolts (102) are threadedly connected to the base (1). An anti-skid pattern (104) is provided on one side of the base (1) with a scale line (105). 3. The composite fixture for multi-face machining of CNC lathe workpieces according to claim 1, wherein the protrusion (2) is inserted into the support block (3) through a sliding rod (201), and the sliding rod is inserted into the support block (3). (201) is fixedly connected to the bump (2). 4. A composite fixture for multi-face machining of CNC lathe workpieces according to claim 3, characterized in that: two second bolts are symmetrically arranged on both sides of the intersection of the support block (3) and the convex block (2), respectively (301), an angle line (302) is provided on the support block (3) corresponding to the circumference of the fastener (5). 5. The composite fixture for multi-face machining of CNC lathe workpieces according to claim 1, wherein the clamping member (4) is composed of a fixed plate (401), a socket (402), a bottom block (403) ), a top block (404), a third bolt (405), a rotating shaft (406), a bearing (407) and a limit slot (408), and one side of the fixing plate (401) is provided with an insertion slot ( 402), a bottom block (403) is fixedly connected to the fixing plate (401) at the end of the insertion slot (402), and a top block (404) is slidably connected in the insertion slot (402), and the top The block (404) is connected with the bottom block (403) through a third bolt (405), and a rotating shaft (406) is fixedly connected to the central part of the other side of the fixing plate (401). A bearing (407) is sleeved, one end of the rotating shaft (406) is provided with a limiting groove (408), and the rotating shaft (406) is rotatably connected to the support block (3) through the bearing (407). 6. The composite fixture for multi-face machining of CNC lathe workpieces according to claim 1, wherein the fastener (5) is composed of a non-slip cover (501), an indicator arrow (502), a fourth bolt ( 503), the second anti-skid pattern (504) and the limit rod (505), the anti-skid cover (501) is provided with an indicating arrow (502), the anti-skid cover (502) on the same side of the indicating arrow (502) 501) A fourth bolt (503) is provided at the center, a second anti-skid pattern (504) is provided on the side of the anti-skid cover (501) away from the fourth bolt (503), and the second anti-skid pattern ( 504) A limit rod (505) is fixedly connected in the groove of the anti-skid cover (501) on the same side, the limit rod (505) is slidably connected in the limit groove (408), and the fourth bolt (503) ) is screwed on one end of the rotating shaft (406).

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