Novel machining self-centering tool

Abstract

The utility model relates to the technical field of machining accessory devices, in particular to a novel machining self-centering tool which can automatically position and adjust the center of a regular workpiece and improve the machining efficiency of large-batch workpieces. Comprising a bottom plate, a first support, a cutting motor, a first rotating disc, a threaded rod, a sliding sleeve, four sets of clamping plates, a plurality of sets of connecting rods and lock nuts, the first support is installed on the right side of the top end of the bottom plate, and the cutting motor is installed on the right side of the top end of the first support; the right end of the threaded rod is connected with the middle of the left end of the first rotating disc, the sliding sleeve slidably sleeves the threaded rod, four sliding grooves are evenly formed in the left end of the first rotating disc, the right ends of the four clamping plates are slidably connected with the four sliding grooves correspondingly, and the inner ends of the multiple connecting rods are hinged to the left side and the middle of the outer end of the sliding sleeve correspondingly. The outer ends of the connecting rods are hinged to the middles and the right sides of the inner ends of the four clamping plates correspondingly.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing attachments, in particular to a novel processing self-centering tool. Background Art

[0002] As we all know, machining refers to the process of changing the size or performance of a workpiece through a mechanical device. According to the difference in processing methods, it can be divided into cutting processing and pressure processing. When cutting a large number of workpieces, it is necessary to use clamping fixtures to fix the workpieces and make sure that the machining center of the workpiece is the same as that of the processing equipment. Only then can the workpiece be processed into a qualified product. It has been widely used in the field of mechanical processing.

[0003] When using the existing clamping tool, it is necessary to manually adjust the position of the workpiece first so that its center is the same as that of the processing equipment, and then use the clamping tool to fix the workpiece, or first fix the workpiece and then adjust the processing equipment to make its center the same as the processing center of the workpiece.

[0004] It is found in the use of existing clamping tools that manual adjustment is generally required. When a large number of inner hole workpieces are repeatedly processed, the clamping of each group of workpieces needs to be adjusted before processing, which results in low machining efficiency and poor practicality. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a new type of self-centering tooling which can automatically locate and adjust the center of a regular inner hole workpiece, improve the processing efficiency of a large number of workpieces, and thus enhance the practicality.

[0006] The utility model discloses a novel self-centering machining tool, comprising a base plate, a first bracket, a cutting motor, a first turntable, a threaded rod, a sliding sleeve, four groups of clamping plates, multiple groups of connecting rods and a lock nut. The first bracket is installed on the right side of the top end of the base plate, the cutting motor is installed on the right side of the top end of the first bracket, the output end of the cutting motor passes through the first bracket and is connected with the middle part of the right end of the first turntable, the right end of the threaded rod is connected with the middle part of the left end of the first turntable, the sliding sleeve is slidably mounted on the outer side of the threaded rod, four groups of sliding grooves are evenly arranged on the left end of the first turntable, the right ends of the four groups of clamping plates are respectively slidably connected with the four groups of sliding grooves, the inner ends of the multiple groups of connecting rods are respectively hinged with the left side and the middle part of the outer end of the sliding sleeve, the outer ends of the multiple groups of connecting rods are respectively hinged with the middle part and the right side of the inner ends of the four groups of clamping plates, the lock nut is threadedly connected with the left side of the threaded rod, and the right end of the lock nut is tightly attached to the left end of the sliding sleeve.

[0007] The utility model discloses a novel processing self-centering tool, which also includes a second bracket, a clamping motor, a second turntable and two groups of clamping rods. A slide is arranged on the left side of the top end of the bottom plate, the bottom end of the second bracket is slidably connected to the slide, the clamping motor is installed on the left end of the second bracket, the output end of the clamping motor passes through the second bracket and is connected to the middle part of the left end of the second turntable, the two groups of clamping rods are respectively installed on the top and bottom of the right end of the second turntable, the top and bottom of the left end of the lock nut are provided with sockets, and the two groups of clamping rods are respectively slidably connected to the two groups of sockets.

[0008] The utility model provides a novel self-centering tool for machining, which also comprises an electric telescopic rod, which is arranged on the left side of the top end of the bottom plate, and the output end of the electric telescopic rod is connected with the left end of the second bracket.

[0009] The utility model discloses a novel processing self-centering tool, wherein two groups of inserting holes at the left end of the lock nut are both provided with chamfers.

[0010] The utility model discloses a novel self-centering machining tool, which also comprises a limit block which is arranged on the left end of the threaded rod.

[0011] The utility model discloses a novel self-centering tool for machining, which also comprises four groups of wear-resistant blocks, which are respectively arranged at the outer ends of four groups of clamping plates.

[0012] The utility model discloses a novel processing self-centering tool, and the outer ends of four groups of wear-resistant blocks are all provided with anti-slip grooves.

[0013] The utility model discloses a novel self-centering tool for machining, which also comprises a key. The bottom end of the bottom plate is provided with a keyway, and the key is matched and installed in the keyway.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: when the workpiece needs to be fixed on the tooling during mechanical processing, the inner hole of the workpiece can be firstly sleeved on the outer side of multiple sets of clamping plates, and then the lock nut is rotated to move it to the right, and the pressing sliding sleeve slides to the right at the same time. At this time, under the action of multiple sets of connecting rods, the sliding of the sliding sleeve will drive the four sets of clamping plates to expand outward at the same time until the torque required for the rotation of the lock nut reaches the set value. At this time, the four sets of clamping plates have been supported outward to clamp the inner hole workpiece, and the cutting motor output can be turned on to drive the workpiece to rotate for mechanical processing of the workpiece. After the processing is completed, the lock nut can be rotated and loosened to loosen the four sets of clamping plates, and the workpiece can be taken out. Through this device, the center of the inner hole regular workpiece can be automatically positioned and adjusted, thereby improving the processing efficiency of large quantities of workpieces, thereby enhancing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2It is a left-side structural schematic diagram of the first turntable of the utility model;

[0017] Figure 3 This is a schematic diagram of the top view of the upper wear-resistant block of the utility model;

[0018] Figure 4 This is a schematic diagram of the key structure of the utility model when viewed from above;

[0019] Markings in the attached drawings: 1. base plate; 2. first bracket; 3. cutting motor; 4. first turntable; 5. threaded rod; 6. sliding sleeve; 7. clamping plate; 8. connecting rod; 9. lock nut; 10. second bracket; 11. clamping motor; 12. second turntable; 13. clamping rod; 14. electric telescopic rod; 15. chamfer; 16. limit block; 17. wear-resistant block; 18. anti-slip pattern; 19. key. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0021] like Figures 1 to 4 As shown, a new type of self-centering tooling of the utility model comprises a base plate 1, a first bracket 2, a cutting motor 3, a first turntable 4, a threaded rod 5, a sliding sleeve 6, four groups of clamping plates 7, multiple groups of connecting rods 8 and a lock nut 9. The first bracket 2 is installed on the right side of the top of the base plate 1, and the cutting motor 3 is installed on the right side of the top of the first bracket 2. The output end of the cutting motor 3 passes through the first bracket 2 and is connected to the middle of the right end of the first turntable 4. The right end of the threaded rod 5 is connected to the middle of the left end of the first turntable 4. The sliding sleeve 6 is slidably sleeved on the outside of the threaded rod 5. Four groups of sliding grooves are evenly arranged on the left end of the first turntable 4. The right ends of the four groups of clamping plates 7 are respectively slidably connected to the four groups of sliding grooves. The inner ends of the multiple groups of connecting rods 8 are respectively hinged to the left and middle parts of the outer ends of the sliding sleeve 6. The outer ends of the multiple groups of connecting rods 8 are respectively hinged to the middle and right sides of the inner ends of the four groups of clamping plates 7. The lock nut 9 is connected to the threaded rod 5. The left side is threadedly connected, and the right end of the lock nut 9 is tightly attached to the left end of the sliding sleeve 6; when the workpiece is mechanically processed, it is necessary to fix the workpiece on the tooling. At this time, the inner hole of the workpiece can be first sleeved on the outside of multiple sets of clamping plates, and then the lock nut is rotated to move it to the right, and at the same time, the sliding sleeve is pressed to slide to the right. At this time, under the action of multiple sets of connecting rods, the sliding of the sliding sleeve will drive the four sets of clamping plates to expand outward at the same time until the torque required for the rotation of the lock nut reaches the set value. At this time, the four sets of clamping plates have been supported outward to clamp the inner hole workpiece, and the cutting motor output can be turned on to drive the workpiece to rotate for mechanical processing of the workpiece. After the processing is completed, the lock nut can be rotated and loosened to loosen the four sets of clamping plates, and the workpiece can be taken out; through this device, the center of the inner hole regular workpiece can be automatically positioned and adjusted, thereby improving the processing efficiency of large quantities of workpieces, thereby enhancing practicality.

[0022] A new type of self-centering tooling for machining of the utility model also includes a second bracket 10, a clamping motor 11, a second turntable 12 and two groups of clamping rods 13. A slideway is arranged on the left side of the top of the bottom plate 1, and the bottom end of the second bracket 10 is slidably connected to the slideway. The clamping motor 11 is installed at the left end of the second bracket 10, and the output end of the clamping motor 11 passes through the second bracket 10 and is connected to the middle of the left end of the second turntable 12. The two groups of clamping rods 13 are respectively installed at the top and bottom of the right end of the second turntable 12, and the top and bottom of the left end of the lock nut 9 are both provided with sockets, and the two groups of clamping rods 13 are respectively slidably connected to the two groups of sockets; when the lock nut is rotated, the second bracket can be slid to the right side, and the two groups of clamping rods can be inserted into the two groups of sockets at the same time. At this time, the clamping motor output can be turned on to drive the second turntable to rotate, so that the lock nut can be rotated forward and reverse more conveniently, thereby enhancing practicality.

[0023] The utility model provides a new type of self-centering tooling for machining, which also includes an electric telescopic rod 14, which is installed on the left side of the top end of the base plate 1, and the output end of the electric telescopic rod 14 is connected to the left end of the second bracket 10; when the second bracket needs to be slid left or right, the electric telescopic rod can be operated to output or retract to slide the second bracket more conveniently, thereby enhancing practicality.

[0024] The utility model is a novel self-centering tool for processing. The two groups of insertion holes at the left end of the lock nut 9 are both provided with chamfers 15. The two groups of chamfers can more stably insert the two groups of clamping rods into the two groups of insertion holes, thereby enhancing practicality.

[0025] The utility model is a novel self-centering tool for machining, which also includes a limit block 16, which is installed at the left end of the threaded rod 5; the limit block can prevent the lock nut from being disengaged from the threaded rod when it is loosened, thereby enhancing practicality.

[0026] The utility model provides a new type of self-centering tooling, which also includes four groups of wear-resistant blocks 17, which are respectively installed on the outer ends of four groups of clamping plates 7; the four groups of wear-resistant blocks can reduce the wear between the four groups of clamping plates and the workpieces, and increase the service life of the four groups of clamping plates, thereby enhancing practicality.

[0027] The utility model is a novel self-centering tool for machining. The outer ends of four groups of wear-resistant blocks 17 are all provided with anti-skid patterns 18. The anti-skid patterns can effectively improve the friction between the four groups of wear-resistant blocks and the workpiece, thereby enhancing the practicality.

[0028] The utility model provides a new type of self-centering tooling, which also includes a key 19. A key slot is provided at the bottom end of the base plate 1, and the key 19 is installed in the key slot. When using the self-centering tooling, the key can be aligned with the key slot of the mounting base to improve the overall connection strength, thereby enhancing practicality.

[0029] The utility model discloses a novel self-centering tool for machining. When the workpiece is being machined, it is necessary to fix the workpiece on the tool. At this time, the inner hole of the workpiece can be firstly sleeved on the outer side of multiple sets of clamping plates. Then, the electric telescopic rod output is operated to drive the second bracket to slide to the right. At the same time, the two sets of clamping rods are respectively inserted into the two sets of jacks at the left end of the lock nut. Then, the clamping motor output is operated to rotate the lock nut to move it to the right. At the same time, the pressing sliding sleeve slides to the right. At this time, under the action of multiple sets of connecting rods, the sliding of the sliding sleeve will drive the four sets of clamping plates to expand outward at the same time until the torque required for the rotation of the lock nut reaches the set value, and the clamping motor output is stopped. At this time, the four sets of clamping plates have been supported outward to clamp the inner hole workpiece. The cutting motor output can be started to drive the workpiece to rotate for mechanical machining of the workpiece. After the machining is completed, the lock nut is rotated and loosened to loosen the four sets of clamping plates, and the workpiece can be taken out.

[0030] The utility model provides a new type of self-centering tooling for processing, and its installation method, connection method or setting method are all common mechanical methods, and can be implemented as long as they can achieve their beneficial effects; the motor and electric telescopic rod of the new type of self-centering tooling for processing of the utility model are purchased on the market, and technicians in this industry only need to install and operate them according to the accompanying instruction manual.

[0031] 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 new type of self-centering tooling, characterized in that: The invention comprises a base plate (1), a first bracket (2), a cutting motor (3), a first rotating disk (4), a threaded rod (5), a sliding sleeve (6), four sets of clamping plates (7), multiple sets of connecting rods (8) and a lock nut (9), wherein the first bracket (2) is mounted on the right side of the top end of the base plate (1), the cutting motor (3) is mounted on the right side of the top end of the first bracket (2), the output end of the cutting motor (3) passes through the first bracket (2) and is connected to the middle part of the right end of the first rotating disk (4), the right end of the threaded rod (5) is connected to the left end of the first rotating disk (4), and the output end of the cutting motor (3) passes through the first bracket (2) and is connected to the middle part of the right end of the first rotating disk (4). The first turntable (4) is evenly provided with four groups of slide grooves at the left end, and the right ends of the four groups of clamping plates (7) are respectively slidably connected with the four groups of slide grooves. The inner ends of the multiple groups of connecting rods (8) are respectively hinged with the left and middle parts of the outer ends of the slide sleeve (6), and the outer ends of the multiple groups of connecting rods (8) are respectively hinged with the middle and right parts of the inner ends of the four groups of clamping plates (7). The lock nut (9) is threadedly connected with the left side of the threaded rod (5), and the right end of the lock nut (9) is tightly attached to the left end of the slide sleeve (6).

2. A new type of self-centering tooling as claimed in claim 1, characterized in that: It also includes a second bracket (10), a clamping motor (11), a second turntable (12) and two groups of clamping rods (13). A slideway is arranged on the left side of the top end of the bottom plate (1). The bottom end of the second bracket (10) is slidably connected to the slideway. The clamping motor (11) is mounted on the left end of the second bracket (10). The output end of the clamping motor (11) passes through the second bracket (10) and is connected to the middle part of the left end of the second turntable (12). The two groups of clamping rods (13) are respectively mounted on the top and bottom of the right end of the second turntable (12). Plug holes are arranged on the top and bottom of the left end of the lock nut (9). The two groups of clamping rods (13) are respectively slidably connected to the two groups of plug holes.

3. A new type of self-centering tooling as claimed in claim 2, characterized in that: It also comprises an electric telescopic rod (14), which is mounted on the left side of the top end of the base plate (1), and the output end of the electric telescopic rod (14) is connected to the left end of the second bracket (10).

4. A new type of self-centering tooling as claimed in claim 3, characterized in that: The two groups of insertion holes at the left end of the lock nut (9) are both provided with chamfers (15).

5. A new type of self-centering tooling as claimed in claim 4, characterized in that: It also includes a limit block (16), which is installed on the left end of the threaded rod (5).

6. A new type of self-centering tooling as claimed in claim 5, characterized in that: It also comprises four groups of wear-resistant blocks (17), which are respectively mounted on the outer ends of the four groups of clamping plates (7).

7. A new type of self-centering tooling as claimed in claim 6, characterized in that: The outer ends of the four groups of wear-resistant blocks (17) are all provided with anti-slip grooves (18).

8. A new type of self-centering tooling as claimed in claim 7, characterized in that: It also includes a key (19). The bottom end of the base plate (1) is provided with a key slot, and the key (19) is fitted in the key slot.

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