Metal piece clamping device for metal cutting machine tool machining

Abstract

The utility model discloses a metal part clamping device for metal cutting machine tool processing, which relates to the technical field of metal processing and comprises a rotating plate, a mounting groove is arranged in the middle of the front side of the rotating plate, and the front side of the rotating plate and the upper and lower ends of the mounting groove are fixedly connected with limiting guide rails. A two-way screw rod is rotationally connected to the middle position in the mounting groove, threaded blocks are in threaded connection to the left end and the right end of the outer surface of the two-way screw rod, connecting blocks are fixedly connected to the front sides of the two threaded blocks, and clamping assemblies are fixedly connected to the front sides of the two connecting blocks. The clamping device has the advantages that swing of the four clamping blocks can be automatically adjusted, so that four clamping points make more accurate contact with the surface of a part, stable and reliable clamping force is kept, the angle of the clamping blocks with certain swing capacity can be adjusted according to the shape of the part, it is guaranteed that the part is evenly stressed, and unnecessary mechanical deformation is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal processing technical field, concretely relates to a metal piece clamping device for metal cutting machine tool processing. BACKGROUND

[0002] The lathe is the machine tool that mainly uses the turning tool to turn the rotating workpiece. The lathe is the most important cutting machine tool in the metal cutting machine tool, and the number of the lathes is the most in the general machine manufacturing factory, and the lathes are also called working mother machines. The corresponding processing can be carried out on the lathe by using the drill, the reamer, the reamer, the tap, the die and the knurling tool. The function of the lathe is to cut the rotating surface and the helical surface of various sizes and different shapes.

[0003] In practical application, most of the metal pieces need to be limited before processing to prevent deviation in the processing process. The triangular chuck is commonly used on the metal cutting machine tool, and the triangular chuck is suitable for clamping the parts with regular shape. When the parts have slight warping or irregular shape, eccentric clamping occurs, thereby affecting the stability of clamping and increasing the risk of vibration in the processing process. In view of the above problems, the metal piece clamping device for metal cutting machine tool processing is proposed to solve the problems. SUMMARY

[0004] To solve the above technical problems, the metal piece clamping device for metal cutting machine tool processing is provided, which solves the above problems in practical application. Most of the metal pieces need to be limited before processing to prevent deviation in the processing process. The triangular chuck is commonly used on the metal cutting machine tool, and the triangular chuck is suitable for clamping the parts with regular shape. When the parts have slight warping or irregular shape, eccentric clamping occurs, thereby affecting the stability of clamping and increasing the risk of vibration in the processing process.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows: a metal piece clamping device for metal cutting machine tool processing, comprising a rotating plate, a mounting groove is formed in the middle of the front side of the rotating plate, a limiting guide rail is fixedly connected to the upper and lower ends of the mounting groove on the front side of the rotating plate, a bidirectional screw rod is rotatably connected to the middle position inside the mounting groove, screw blocks are threadedly connected to the left and right ends of the outer surface of the bidirectional screw rod, connecting blocks are fixedly connected to the front side of the two screw blocks, and clamping assemblies are fixedly connected to the front side of the two connecting blocks.

[0006] Preferably, a rotating groove is formed in the inside of the rotating plate and one side of the mounting groove, a driving rod is rotatably connected to the inside of the rotating groove, the left end of the driving rod is fixedly connected to the left end of the bidirectional screw rod, and a cross-shaped insertion groove is formed in the end of the driving rod away from the bidirectional screw rod.

[0007] Preferably, the rear side of the rotating plate is fixedly connected with a connecting disc through a bolt.

[0008] Preferably, the clamping assembly comprises a moving plate, the upper and lower ends of the rear side of the moving plate are fixedly connected with sliding blocks, two groups of the sliding blocks are respectively slidably connected with two groups of limiting guide rails, and the upper and lower ends of the front side of the moving plate are provided with arc-shaped movable grooves.

[0009] Preferably, the upper and lower ends of the front side of the moving plate are rotatably connected with placing plates through rotating shafts, one end of the front side of each of the two placing plates close to the rotating shaft is fixedly connected with a clamping block, and the arc surfaces of the two clamping blocks are fixedly connected with buffer pads.

[0010] Preferably, the rear side of each of the two placing plates is fixedly connected with a limiting column, and the two limiting columns are respectively slidably connected inside the two movable grooves.

[0011] Preferably, the material of the buffer pad is rubber or silica gel.

[0012] Compared with the prior art, the utility model has the advantages that the movable grooves are arranged on the moving plate, the placing plates can swing at a certain angle with the rotating shaft as the center, the clamping blocks can change the angle, when irregular parts or parts have slight warping are encountered, the swing of the four clamping blocks can be automatically adjusted, the four clamping points can be more accurately contacted with the part surface, the stable and reliable clamping force is kept, the clamping blocks with certain swing ability can adjust the angle according to the shape of the part, the uniform force of the part is ensured, unnecessary mechanical deformation is avoided, the swing design of the clamping blocks makes them can adjust the position in a certain range, adapt to parts of different sizes or shapes, the flexibility is stronger, the needs of various workpieces can be met, compared with the completely fixed clamp, the swing clamping blocks can be more easily adjusted and positioned, time is saved during operation, and human error is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a rotating plate structural schematic view in the utility model;

[0015] Figure 3 It is another view of the rotating plate structural schematic view in the utility model;

[0016] Figure 4 It is a bidirectional screw rod and clamping assembly connection schematic view in the utility model;

[0017] Figure 5 It is a clamping assembly exploded schematic view in the utility model;

[0018] Figure 6 It is the bottom structure schematic view of the placing plate in the utility model;

[0019] Figure 7 It is Figure 4 The local amplification schematic view of A in the middle.

[0020] The figure mark is:

[0021] 1, rotating plate; 2, installation groove; 3, rotating groove; 4, bidirectional screw rod; 5, drive rod; 6, cross slot; 7, threaded block; 8, connecting block; 9, clamping assembly; 901, moving plate; 902, sliding block; 903, rotating shaft; 904, placing plate; 905, clamping block; 906, buffer pad; 907, limiting column; 908, movable groove; 10, connecting disc; 11, limiting guide rail. DETAILED DESCRIPTION

[0022] The following description is used to disclose the utility model so that those skilled in the art can realize the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be thought of by those skilled in the art.

[0023] Referring to Figures 1-7 As shown in the figure, a metal piece clamping device for metal cutting machine tool machining, including rotating plate 1, rotating plate 1 front side middle part is equipped with installation groove 2, rotating plate 1 front side and installation groove 2 upper and lower two ends are all fixedly connected with limiting guide rail 11, the introduction of limiting guide rail 11 greatly enhances the stability of clamping assembly 9 in the moving process, prevents the deviation caused by vibration or external force, ensures the clamping precision, the inside middle position of installation groove 2 is rotatably connected with bidirectional screw rod 4, the outer surface of bidirectional screw rod 4 left and right two ends is all screw-connected with threaded block 7, the front side of two threaded blocks 7 is all fixedly connected with connecting block 8, the front side of two connecting blocks 8 is all fixedly connected with clamping assembly 9, the design of bidirectional screw rod 4 makes that two clamping assemblies 9 can move simultaneously, oppositely, greatly simplifies the clamping operation, improves the work efficiency.

[0024] Specifically, rotating plate 1 inside and installation groove 2 side are equipped with rotating groove 3, rotating groove 3 inside is rotatably connected with drive rod 5, the right end of drive rod 5 is fixedly connected with the left end of bidirectional screw rod 4, the end away from bidirectional screw rod 4 of drive rod 5 is equipped with cross slot 6, cross slot 6 is used for inserting driving part, and then the rotation of bidirectional screw rod 4 can be realized by driving drive rod 5 to rotate, the standardization design of cross slot 6 makes that different models of driving sources can be interchangeably used, improves the versatility and flexibility of the device.

[0025] Specific, rotating plate 1 rear side through bolt fixedly connected with the connecting disc 10, connecting disc 10 for and external main shaft motor connected, in turn, can drive the whole clamping device to rotate, through bolt fixedly connected, ensure the stability and reliability of connecting disc 10, avoid the safety accident caused by loose connection in the process of processing.

[0026] Specific, clamping assembly 9 includes moving plate 901, moving plate 901 rear side upper and lower ends are fixedly connected with the sliding block 902, two groups of sliding block 902 are respectively connected with two groups of limit guide rail 11, moving plate 901 front side upper and lower ends are provided with arc-shaped movable groove 908.

[0027] Specific, moving plate 901 front side upper and lower ends are rotatably connected with the placing plate 904 through the pivot 903, two placing plates 904 front side near the pivot 903 one end are fixedly connected with the clamping block 905, the arc surface of two clamping blocks 905 are fixedly connected with the buffer pad 906, the introduction of buffer pad 906 reduces the friction and wear between clamping block 905 and parts, protects the surface quality of parts, the shape of clamping block 905 can be changed according to actual production, in turn, can adapt to square or other special-shaped parts, in this embodiment, only with a circular part is shown.

[0028] Specific, two placing plates 904 rear side are fixedly connected with the limit post 907, two limit posts 907 are respectively connected with two groups of movable groove 908, the sliding between limit post 907 and movable groove 908 is not unlimited, but has certain resistance, can prevent the placing plate 904 from shaking, the design of movable groove 908 and limit post 907 makes the placing plate 904 more stable when adjusting angle, avoids shaking and deviation.

[0029] Specific, the material of buffer pad 906 is rubber or silicone, the buffer pad 906 of rubber or silicone material has good elasticity and wear resistance, can keep the stability of clamping force for a long time, at the same time, these materials also have good antiskid performance, ensure that the parts will not slip or move during clamping.

[0030] Working principle: when clamping, first, the external driving source is inserted into the cross slot 6, the external driving source drives the driving rod 5 to rotate, thereby synchronously driving the bidirectional screw rod 4 to rotate, under the cooperation of screw thread, the threaded block 7 drives two clamping assemblies 9 to move relatively, then according to the size of the parts, adjust the distance between four placing plates 904, then place the parts between four placing plates 904 and support, rotate the bidirectional screw rod 4 to make two moving plates 901 move synchronously, thereby clamping the parts by clamping block 905.

[0031] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A metal piece clamping device for use in metal cutting machine tool processing, characterized by: The utility model provides a kind of double-sided clamping device, including rotating plate (1), the rotating plate (1) front middle part is equipped with installation slot (2), the rotating plate (1) front side and installation slot (2) upper and lower both ends are fixedly connected with limiting guide rail (11), the installation slot (2) inside middle position is rotatably connected with two-way screw rod (4), the two-way screw rod (4) outer surface left and right ends are all screw-connected with screw block (7), two the screw block (7) front side is fixedly connected with connecting block (8), two the connecting block (8) front side is fixedly connected with clamping assembly (9).

2. A metal piece clamping device for a metal cutting machine tool according to claim 1, characterized in that: The rotating plate (1) inside and installation slot (2) side are equipped with rotating groove (3), the rotating groove (3) inside is rotatably connected with drive rod (5), the drive rod (5) right end is fixedly connected with two-way screw rod (4) left end, the drive rod (5) is fixedly connected with two-way screw rod (4) one end and is equipped with cross insertion slot (6).

3. A metal piece clamping device for a metal cutting machine tool according to claim 1, characterized in that: The rotating plate (1) rear side is fixedly connected with connecting disc (10) by bolt.

4. A metal piece clamping device for a metal cutting machine tool according to any one of claims 1 to 3, characterized in that: The clamping assembly (9) includes moving plate (901), the moving plate (901) rear side upper and lower both ends are fixedly connected with sliding block (902), two groups The sliding block (902) is slidably connected with two groups of limiting guide rail (11) respectively, the moving plate (901) front side upper and lower both ends are equipped with arc movable slot (908).

5. A metal piece clamping device for a metal cutting machine tool according to claim 4, characterized in that: The moving plate (901) front side upper and lower both ends are rotatably connected with placing plate (904) by pivot (903), two The placing plate (904) front side is fixedly connected with clamping block (905) one end close to pivot (903), the arc surface of two The clamping block (905) is fixedly connected with buffer pad (906).

6. A metal piece clamping device for a metal cutting machine tool according to claim 5, characterized in that: Two The placing plate (904) rear side is fixedly connected with limiting column (907), two limiting columns (907) are slidably connected in two groups movable slot (908) inside.

7. A metal piece clamping device for a metal cutting machine tool according to claim 5, wherein: The material of buffer pad (906) is rubber or silica gel.

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