Clamping mechanism of longitudinal cutting machine tool

Abstract

The utility model relates to the technical field of clamping devices, in particular to a longitudinal cutting machine tool clamping mechanism which is suitable for workpieces of different lengths, improves practicability, can fix and limit cylindrical workpieces, improves the fixing effect, avoids shaking and deviation during machining, and guarantees machining precision. Comprising a workbench, a position moving assembly, a clamping assembly, a pressing assembly and a buffering assembly, the position moving assembly is installed at the right end of the top of the workbench and comprises a lead screw, a transmission, a driving motor and a threaded block, the clamping assembly is installed at the left end of the top end of the workbench and the output end of the position moving assembly, and the pressing assembly is installed on the clamping assembly; the buffering assembly is installed on the clamping assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping devices, in particular to a clamping mechanism for a longitudinal cutting machine tool. Background Art

[0002] A clamping structure is needed to position the workpiece on a CNC longitudinal cutting automatic lathe. Prior art publication number CN220216757U proposes a clamping structure for use in a CNC longitudinal cutting automatic lathe, including a device body, the device body including a lathe body and a clamping base, a reverse screw is arranged inside the clamping base, the outer surface of the reverse screw is connected to two threaded sleeves, one side of the reverse screw is connected to a servo motor, and the servo motor can drive the reverse screw to rotate, and the top of the threaded sleeve is connected to a clamping plate. The utility model is provided with a buffer spring, a buffer base plate and an anti-slip sleeve pad. However, the fixing effect on cylindrical workpieces is poor, and the workpiece is prone to shaking and offset during processing, which leads to lower processing accuracy and larger errors. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a longitudinal cutting machine tool clamping mechanism suitable for workpieces of different lengths, which improves practicality, can fix and limit cylindrical workpieces, improve the fixing effect, avoid shaking and deviation during processing, and ensure processing accuracy.

[0004] The utility model discloses a clamping mechanism for a longitudinal cutting machine tool, comprising a workbench, a position moving component, a clamping component, a pressing component and a buffer component. The position moving component is installed at the top right end of the workbench, the clamping component is installed at the top left end of the workbench and the output end of the position moving component, the pressing component is installed on the clamping component, and the buffer component is installed on the clamping component. The position between the two clamping components can be adjusted by the position moving component, which is suitable for workpieces of different lengths and improves practicality. At the same time, the clamping component and the pressing component cooperate to fix and limit the cylindrical workpiece, improve the fixing effect, avoid shaking and offset during processing, ensure processing accuracy, and at the same time, the buffer component can avoid damage to the workpiece.

[0005] Preferably, the position moving component includes a screw rod, a transmission, a driving motor and a threaded block. A moving groove is opened on the right part of the workbench. The screw rod is rotatably installed in the moving groove. The right end of the screw rod passes through the moving groove and is connected to the output end of the transmission. The input end of the transmission is connected to the output end of the driving motor. The threaded block is screwed on the outer wall of the screw rod, and the threaded block is slidably installed in the moving groove. Starting the driving motor drives the screw rod to rotate through the transmission, and the screw rod drives the threaded block to move in the moving groove. It can be suitable for workpieces of different lengths, thereby improving practicality.

[0006] Preferably, the clamping assembly comprises two fixed seats, two groups of electric telescopic rods, two groups of pushing slide blocks, two groups of clamping blocks and two supporting blocks, the two fixed seats are respectively fixedly mounted on the top left part of the workbench and the top end of the threaded block, and the front and rear ends of the fixed seat are symmetrically provided with convex slide grooves, the pushing slide block is slidably mounted in the convex slide grooves, the two electric telescopic rods are respectively fixedly mounted on the front and rear ends of the fixed seat, the telescopic ends of the electric telescopic rods are fixedly connected to the pushing slide block, the top end of the pushing slide block is fixedly mounted with a clamping block, the interior of the clamping block is set to be C-shaped, and the supporting block is fixedly mounted in the middle of the top end of the fixed seat; the workpiece is placed on the top end of the supporting block, the electric telescopic rod is started to drive the pushing slide block to move in the convex slide groove, and the pushing slide block drives the clamping block to move, so that the two clamping blocks are close to each other to clamp the workpiece, and the interior of the clamping block is set to be C-shaped, which can better fix and limit the cylindrical workpiece, increase the contact area, and improve the fixing effect.

[0007] Preferably, it also includes two guide rods and two guide slides. The top right part of the workbench is provided with guide grooves symmetrically front and back about the moving groove. The two guide rods are fixedly installed in the guide grooves. The two guide slides are respectively slidably installed on the guide rods. The top of the guide slide is fixedly connected to the bottom end of the right fixed seat. When the right fixed seat moves, it drives the guide slide to slide on the guide rod, supports and guides it, ensures its stability during use, and improves the processing accuracy.

[0008] Preferably, the clamping assembly includes two fixed arms, two second electric telescopic rods and two clamping plates, the bottom rear end of the fixed arm is fixedly installed on the top rear part of the fixed seat, the upper front end of the fixed arm is fixedly installed with the second electric telescopic rod, the telescopic end of the second electric telescopic rod is fixedly installed with a clamping plate, the bottom of the clamping plate is provided with an arc groove, and the clamping plate is located directly above the support block; starting the second electric telescopic rod drives the clamping plate to move downward and clamp it on the top of the workpiece, thereby ensuring the fixed limit of the cylindrical workpiece and improving the fixing effect.

[0009] Preferably, the buffer assembly includes multiple telescopic rods, multiple contact plates and multiple buffer springs. The inner wall of the clamping block is provided with fixing holes at the upper and lower ends. The telescopic rod is installed in the fixing holes. The other end of the telescopic rod is fixedly provided with a contact plate. The buffer spring is sleeved on the outer wall of the telescopic rod. When the clamping block clamps the workpiece, the contact plate first contacts the outer wall of the workpiece, compressing the telescopic rod and the buffer spring, thereby avoiding damage to the workpiece.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the position between the two clamping assemblies can be adjusted through the position moving assembly, which is suitable for workpieces of different lengths and improves practicality. At the same time, the clamping assembly and the clamping assembly cooperate to fix and limit the cylindrical workpiece, improve the fixing effect, avoid shaking and deviation during processing, ensure processing accuracy, and at the same time, the buffer assembly can avoid damage to the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is a front structural schematic diagram of the utility model;

[0013] Figure 3 It is a right view structural schematic diagram of the utility model;

[0014] Figure 4 It is a left-side cross-sectional structural schematic diagram of the utility model;

[0015] Figure 5 It is a right side cross-sectional structural schematic diagram of the utility model;

[0016] Markings in the attached drawings: 1. workbench; 2. screw rod; 3. transmission; 4. drive motor; 5. threaded block; 6. fixed seat; 7. electric telescopic rod; 8. pushing slider; 9. clamping block; 10. support block; 11. guide rod; 12. guide slider; 13. fixed arm; 14. second electric telescopic rod; 15. clamping plate; 16. telescopic rod; 17. contact plate; 18. buffer spring. DETAILED DESCRIPTION

[0017] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0018] Example 1

[0019] like Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, a movable groove is provided on the right side of the workbench 1, and the screw rod 2 is rotatably installed in the movable groove. The right end of the screw rod 2 passes through the movable groove and is connected to the output end of the transmission 3. The input end of the transmission 3 is connected to the output end of the driving motor 4. The threaded block 5 is screwed on the outer wall of the screw rod 2, and the threaded block 5 is slidably installed in the movable groove. Two fixed seats 6 are respectively fixedly installed on the top left part of the workbench 1 and the top of the threaded block 5. The front and rear ends of the fixed seat 6 are symmetrically provided with convex sliding grooves, and the push slider 8 is slidably installed in the convex sliding groove. The two electric telescopic rods 7 are respectively fixedly installed on the fixed seat 6. At the front and rear ends of the fixed seat 6, the telescopic end of the electric telescopic rod 7 is fixedly connected to the pushing slider 8, the top of the pushing slider 8 is fixedly installed with a clamping block 9, the inside of the clamping block 9 is set in a C shape, the support block 10 is fixedly installed in the middle of the top of the fixed seat 6, the bottom rear end of the fixed arm 13 is fixedly installed at the rear of the top of the fixed seat 6, the upper front end of the fixed arm 13 is fixedly installed with a second electric telescopic rod 14, the telescopic end of the second electric telescopic rod 14 is fixedly installed with a clamping plate 15, the bottom of the clamping plate 15 is provided with an arc groove, and the clamping plate 15 is located directly above the support block 10;

[0020] Start the drive motor 4 to drive the screw rod 2 to rotate through the transmission 3, and the screw rod 2 drives the threaded block 5 to move in the moving groove, which can be suitable for workpieces of different lengths and improve practicality. The workpiece is placed on the top of the support block 10, and the electric telescopic rod 7 is started to drive the push slider 8 to move in the convex slide groove, and the push slider 8 drives the clamping block 9 to move, so that the two clamping blocks 9 are close to each other to clamp the workpiece. The interior of the clamping block 9 is set to a C shape, which can better fix and limit the cylindrical workpiece, increase the contact area, and improve the fixing effect. Start the second electric telescopic rod 14 to drive the clamping plate 15 to move downward and press it on the top of the workpiece to ensure the fixed limit of the cylindrical workpiece and improve the fixing effect.

[0021] Example 2

[0022] like Figure 1 , Figure 3 and Figure 5 As shown, a guide groove is provided at the top right part of the workbench 1 symmetrically with respect to the moving groove, two guide rods 11 are fixedly installed in the guide groove, two guide slide blocks 12 are slidably installed on the guide rods 11, the top of the guide slide block 12 is fixedly connected to the bottom end of the right fixed seat 6, the inner wall of the clamping block 9 is provided with fixing holes at the upper and lower ends, the telescopic rod 16 is installed in the fixing holes, the other end of the telescopic rod 16 is fixedly installed with a contact plate 17, and a buffer spring 18 is sleeved on the outer wall of the telescopic rod 16;

[0023] When the right fixed seat 6 moves, it drives the guide slider 12 to slide on the guide rod 11, supporting and guiding it, ensuring stability during use and improving processing accuracy. When the clamping block 9 clamps the workpiece, the contact plate 17 first contacts the outer wall of the workpiece, compressing the telescopic rod 16 and the buffer spring 18, which can avoid damage to the workpiece.

[0024] like Figures 1 to 5 As shown, a longitudinal cutting machine clamping mechanism of the utility model is provided. When it is working, the driving motor 4 is started to drive the screw rod 2 to rotate through the transmission 3, and the screw rod 2 drives the threaded block 5 to move in the moving groove to adjust the distance between the two fixed seats 6. When the right fixed seat 6 moves, it drives the guide slide block 12 to slide on the guide rod 11 to support and guide it to ensure stability during use. The workpiece is placed on the top of the support block 10, and the electric telescopic rod 7 is started to drive the push slide block 8 to move in the convex slide groove, and the push slide block 8 drives the clamping block 9 to move so that the two clamping blocks 9 are close to each other to clamp the workpiece. When the clamping block 9 clamps the workpiece, the contact plate 17 first contacts the outer wall of the workpiece, compressing the telescopic rod 16 and the buffer spring 18 to avoid damage to the workpiece. The second electric telescopic rod 14 is started to drive the clamping plate 15 to move downward and press it on the top of the workpiece to ensure fixed limit of the cylindrical workpiece.

[0025] The transmission 3 and the drive motor 4 of the longitudinal cutting machine clamping mechanism of the utility model are purchased on the market, and the technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in the field to make creative efforts.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A longitudinal cutting machine tool clamping mechanism, characterized in that: The invention comprises a workbench (1), a position moving component, a clamping component, a pressing component and a buffer component, wherein the position moving component is mounted on the top right end of the workbench (1), the clamping component is mounted on the top left end of the workbench (1) and the output end of the position moving component, the pressing component is mounted on the clamping component, and the buffer component is mounted on the clamping component.

2. A longitudinal cutting machine clamping mechanism as claimed in claim 1, characterized in that: The position moving assembly comprises a screw rod (2), a transmission (3), a driving motor (4) and a threaded block (5). A moving groove is provided on the right part of the workbench (1). The screw rod (2) is rotatably installed in the moving groove. The right end of the screw rod (2) passes through the moving groove and is connected to the output end of the transmission (3). The input end of the transmission (3) is connected to the output end of the driving motor (4). The threaded block (5) is screwed on the outer wall of the screw rod (2), and the threaded block (5) is slidably installed in the moving groove.

3. A longitudinal cutting machine clamping mechanism as claimed in claim 2, characterized in that: The clamping assembly comprises two fixed seats (6), two groups of electric telescopic rods (7), two groups of pushing slide blocks (8), two groups of clamping blocks (9) and two supporting blocks (10). The two fixed seats (6) are respectively fixedly mounted on the left top end of the workbench (1) and the top end of the threaded block (5). The front and rear ends of the fixed seats (6) are symmetrically provided with convex sliding grooves. The pushing slide block (8) is slidably mounted in the convex sliding grooves. The two electric telescopic rods (7) are respectively fixedly mounted on the front and rear ends of the fixed seats (6). The telescopic ends of the electric telescopic rods (7) are fixedly connected to the pushing slide block (8). The top end of the pushing slide block (8) is fixedly mounted with a clamping block (9). The interior of the clamping block (9) is set to be C-shaped. The supporting block (10) is fixedly mounted at the middle of the top end of the fixed seat (6).

4. A longitudinal cutting machine clamping mechanism as claimed in claim 3, characterized in that: The working table (1) further comprises two guide rods (11) and two guide slide blocks (12). The top right part of the working table (1) is provided with guide grooves symmetrically arranged front and rearwardly about the moving groove. The two guide rods (11) are fixedly installed in the guide grooves. The two guide slide blocks (12) are respectively slidably installed on the guide rods (11). The top end of the guide slide block (12) is fixedly connected to the bottom end of the right fixed seat (6).

5. A longitudinal cutting machine clamping mechanism as claimed in claim 3, characterized in that: The clamping assembly comprises two fixed arms (13), two second electric telescopic rods (14) and two clamping plates (15); the bottom rear end of the fixed arm (13) is fixedly mounted on the top rear part of the fixed seat (6); the upper front end of the fixed arm (13) is fixedly mounted with the second electric telescopic rod (14); the telescopic end of the second electric telescopic rod (14) is fixedly mounted with the clamping plate (15); the bottom of the clamping plate (15) is provided with an arc groove; the clamping plate (15) is located directly above the support block (10).

6. A longitudinal cutting machine clamping mechanism as claimed in claim 3, characterized in that: The buffer assembly comprises a plurality of telescopic rods (16), a plurality of contact plates (17) and a plurality of buffer springs (18). The inner wall of the clamping block (9) is provided with fixing holes at the upper and lower ends. The telescopic rod (16) is installed in the fixing hole. The other end of the telescopic rod (16) is fixedly installed with a contact plate (17). The buffer spring (18) is sleeved on the outer wall of the telescopic rod (16).

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