Auxiliary material feeding clamping device

Abstract

This utility model relates to an auxiliary material feeding and clamping device. The auxiliary material feeding and clamping device of this utility model includes: an inner disc, a pull rod, and a clamping component; the inner disc has a groove inside, and the groove has a plurality of first protrusions, each with a transverse through hole; the pull rod is slidably mounted in the groove and has a plurality of second protrusions, each with a transverse through hole, the first and second protrusions being staggered; the clamping component is a double-lever structure, with its two ends on one side respectively installed in the through holes of the first and second protrusions. The auxiliary material feeding and clamping device of this utility model has the advantages of improved accuracy and adaptability to materials of various sizes through optimized pull rod design, thus improving versatility and reducing costs.

Description

Technical Field

[0001] This utility model relates to the field of machine tool processing technology, and in particular to an auxiliary material feeding and clamping device. Background Technology

[0002] Centrifugal force-free cutting machine tools are innovative machining equipment mainly used to solve the problems caused by centrifugal force, vibration and deformation in the traditional machining of slender shafts. In the application of the machine tool, auxiliary material feeding and clamping devices are usually required to feed the material, which can improve production efficiency and machining accuracy, as well as improve the safety and comfort of the work.

[0003] However, existing auxiliary material feeding and clamping devices may be affected by vibration and impact during cutting, causing them to become unstable. This instability can lead to material displacement during feeding, affecting machining accuracy and surface quality. Secondly, different materials and cutting conditions require different feeding methods. Most auxiliary devices can only be optimized for specific materials and shapes, lacking flexibility and thus limiting the versatility of machine tools. For example, for materials of varying hardness, the required feed speed and pressure will differ, and the auxiliary device may not be able to adjust them effectively. Utility Model Content

[0004] Therefore, the purpose of this utility model is to provide an auxiliary material feeding and clamping device that can simultaneously adapt to materials of various sizes and shapes, thereby improving the versatility of the product.

[0005] An auxiliary material feeding and clamping device includes an inner disc, a pull rod, a pull ring, and several sets of clamping components. The inner disc is a hollow cylinder with an arc-shaped cross-section. Several sets of grooves extending along the inner disc's extension direction are provided inside the cylinder. These grooves are evenly spaced around the central axis of the inner disc. Several first protrusions are spaced along the sides of each groove along the extension direction, and each first protrusion has a transverse through hole. The pull rod is slidably mounted within the grooves. The device has several second protrusions spaced apart, each with a transverse through hole. The first and second protrusions are staggered. The pull ring is a ring-shaped structure located at one end of the inner disc, with one end of each pull rod extending out of the inner disc and fixed to the pull ring. The clamping member is a double-lever structure, with its two ends on one side respectively installed in the through holes of the first and second protrusions. The unfixed ends of the clamping member are used to abut against the material, and the clamping members in different directions abut against the material to clamp it.

[0006] The auxiliary material feeding and clamping device described in this utility model, through the optimized design of the pull rod, opens or merges the cross structure formed by the fixed arm and the moving arm when the pull rod is pulled, enabling the auxiliary device to adapt to materials of various sizes at the same time, significantly improving the versatility of the product and greatly reducing costs.

[0007] Furthermore, the clamping member includes a fixed arm and a movable arm; the fixed arm has a cross-section of a rectangle cut off at equal intervals in the center, and the two ends of the fixed arm have symmetrical handle structures. One end of the fixed arm's handle is fixed to the through hole of the first protrusion, and the middle side plate of the fixed arm has a through hole; the movable arm has a cross-section of a rectangle cut off at equal intervals in the center outwards, and the width of the central rectangle is the same as that of the central rectangle of the fixed arm. The two ends have the same symmetrical handle structures as the fixed arm, and one end of the movable arm's handle is fixed to the through hole of the second protrusion. The middle side plate of the movable arm has a through hole corresponding to the fixed arm; the middle part of the movable arm passes through the hollow part in the middle of the fixed arm, and the movable arm and the fixed arm are assembled in a cross shape.

[0008] Furthermore, it also includes centering wheels, which are cylindrical bodies with a concave center and a through hole at the center for fixing to the handles of the fixed arm and the movable arm where they are not fixed; the concave surfaces of several sets of centering wheels form a circular surface. The circular surface formed by the concave surfaces of the centering wheels conforms to the size of the cylindrical material and is suitable for auxiliary clamping of cylindrical materials.

[0009] Furthermore, the inner disc has a shoulder with an outer diameter slightly larger than the main body of the inner disc at the end away from the pull ring, and the shoulder is a hollow cylinder; the shoulder has several grooves at the end near the pull ring, and the width of the grooves gradually increases at the end near the pull ring; through holes are provided on both sides of the grooves at the end away from the pull ring.

[0010] Furthermore, a guide hole is provided on the side of the inner disc shoulder. The guide hole is used to increase the friction at the end of the overall device.

[0011] Furthermore, it also includes a rotating plate, the rotating plate having a plate-like structure at its center and columnar structures at both ends, the columnar structures at both ends being inserted into through holes on the side of the groove, so that the rotating plate is fixed in the groove; the plate-like structure of the rotating plate has a through hole at its center.

[0012] Furthermore, it also includes an axle, which comprises a longitudinal column and a transverse column with a central through hole extending to one end, wherein the cross-sectional area of ​​the transverse column occupies half of the cross-sectional area of ​​the longitudinal column; the central through hole of the transverse column corresponds to the through hole of the rotating plate and is used for assembly with the rotating plate. The axle is fixed to the rotating plate by inserting bolts into the corresponding through holes of the rotating plate and the axle.

[0013] Furthermore, it also includes an outer disc, which is disposed outside the inner disc near one end of the inner disc shoulder and is symmetrical to the inner disc shoulder; the grooves of the inner disc and the outer disc are opposite to each other and combined, and the longitudinal columns of the wheel axles of the inner disc and the outer disc are close to each other.

[0014] Furthermore, it also includes a roller, which is disposed in the groove and is an elliptical sphere with flattened ends and a central through hole. The longitudinal column of the wheel axle extends into the wheel axle for fixation.

[0015] To better understand and implement this invention, the following detailed description is provided in conjunction with the accompanying drawings. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the auxiliary material feeding and clamping device of this utility model;

[0017] Figure 2 For along Figure 1 Cross-sectional view after cutting along centerline AA;

[0018] Figure 3 This is a schematic diagram of the structure of the outer and inner disc shoulders of this utility model;

[0019] Figure 4 This is a schematic diagram of the mounting structure of the rotating plate, axle, and rollers of this utility model;

[0020] Figure 5 This is a schematic diagram of the inner disc structure of this utility model;

[0021] Figure 6 This is a schematic diagram of the pull rod and pull ring of this utility model;

[0022] Figure 7 This is a schematic diagram of the structure of the clamping component of this utility model;

[0023] Figure 8 This is a schematic diagram of the clamping component of this utility model installed on the groove and the tie rod.

[0024] Reference numerals: 1. Inner disc; 11. Groove; 12. First protrusion; 13. Shoulder; 14. Guide hole;

[0025] 2. Tie rod; 3. Pull ring; 4. Clamping component; 41. Fixed boom; 42. Moving boom; 43. Centering wheel;

[0026] 5. Outer plate; 6. Turning plate; 7. Wheel axle; 8. Roller. Detailed Implementation

[0027] Please see Figure 1-8The auxiliary material feeding and clamping device of this utility model includes an inner disk 1, a pull rod 2, a pull ring 3, clamping components 4, a rotating plate 5, a wheel axle 6, an outer disk 7, and rollers 8. The pull rod 2 is slidably installed inside the inner disk 1, with one end fixed to the pull ring 3. Several sets of clamping components 4 are installed inside the inner disk 1. Each clamping component 4 has a double-lever structure, with both ends of one side fixed inside the inner disk 1 and on the pull rod 2, respectively. When the pull ring 3 is pulled to move the pull rod 2, one end of the clamping component 4 is fixed while the other end moves, and the cross structure changes to adapt to the size of the material, thus clamping it. The outer disk 7 is located at one end outside the inner disk 1. The rotating plate 5 is fixed to both the outer disk 7 and the outer disk 1. One end of the wheel axle 6 is fixed to the rotating plate 5, and the other end is fixed inside the rollers 8. Rotating the outer disk 7 drives the rollers 8 to rotate, generating a belt force that moves the entire device, thus realizing the feeding function of the entire device.

[0028] The inner disk 1 is a hollow cylinder with an arc-shaped cross-section. The inner disk 1 has three sets of grooves 11 extending along the extension direction of the inner disk 1. The three sets of grooves 11 are equally spaced around the central axis of the inner disk 1 cylinder. The sides of the grooves 11 are provided with a number of first protrusions 12 at intervals along the extension direction. The first protrusions 12 are provided with transverse through holes.

[0029] One end of the inner disk 1 is provided with a shoulder 13 whose outer diameter is slightly larger than that of the main body of the inner disk 1. The shoulder 13 is a hollow column. The shoulder 13 is provided with several grooves near the main body of the inner disk 1. The width of the grooves gradually increases at the end near the main body of the inner disk. The mounting holes of the rotating plate 2 are provided on both sides of the grooves away from the main body of the inner disk 1.

[0030] Preferably, the shoulder portion 13 is provided with a guide hole 14 on its exterior to increase the friction at the end of the overall device.

[0031] The pull rod 2 is slidably installed in the groove 11. The pull rod 2 is provided with a plurality of second protrusions 21 at intervals along the extension direction. The second protrusions 21 are provided with transverse through holes. The second protrusions 21 and the first protrusions 12 are arranged alternately.

[0032] The pull ring 3 is a ring-shaped structure and is located at the end of the inner plate 1 away from the shoulder 13. One end of the pull rod 2 extends out of the inner plate 1 and is fixed on the pull ring 3. By pulling the pull ring 3, the pull rod 2 can slide in the groove 11.

[0033] The clamping member 4 includes a fixed arm 41 and a movable arm 42. The fixed arm 41 has a rectangular cross-section with equal central cutouts. The two ends of the fixed arm 41 have symmetrical handle structures. One end of the fixed arm 41 has a handle fixed to the through hole of the first protrusion 12. The middle side plate of the fixed arm 41 has a through hole.

[0034] The boom 42 has a rectangular cross-section cut outwards at equal intervals from the center. The width of the central rectangle is the same as that of the central rectangle of the fixed arm 41. Both ends have symmetrical handle structures similar to those of the fixed arm 41. One end of the boom 42's handle is fixed to the through hole of the second protrusion 21. The middle side plate of the boom 42 has through holes corresponding to those of the fixed arm 41. The middle part of the boom 42 passes through the hollow part in the middle of the fixed arm 41. Bolts are inserted into the through holes on the side to fix the boom 42 and the fixed arm 41. The boom 42 and the fixed arm 41 have a cross structure. When the pull rod 2 is pulled, the boom 42 moves, causing the fixed arm 41 to move, thus deforming the cross structure between the boom 42 and the fixed arm 41. In this embodiment, when the pull rod 2 is pushed towards the inner plate 1, the boom 42 and the fixed arm 41 move closer to each other; when the pull rod 2 is pulled away from the inner plate 1, the boom 42 and the fixed arm 41 separate.

[0035] The clamping member 4 is not fixed at either end and is also provided with centering wheels 43. The centering wheel 43 is a column with a concave surface in the middle and a through hole in the center of the column for fixing to the handles of the fixed arm 41 and the movable arm 42 that are not fixed; the concave surfaces of several sets of centering wheels 43 form a circular surface the size of a cylindrical material, which is suitable for auxiliary feeding of cylindrical materials.

[0036] The outer disk 5 is disposed outside the inner disk 1 near one end of the shoulder 13, and is symmetrical to the shoulder 13. The grooves of the inner disk 1 and the outer disk 7 are opposite to each other and combined.

[0037] The rotating plate 6 has a plate-like structure at its center and columnar structures at both ends. The columnar structures at both ends are inserted into the mounting holes on the side of the groove, thereby fixing the rotating plate 5 inside the groove. The plate-like structure of the rotating plate 5 has a through hole at its center.

[0038] The axle 7 includes a longitudinal column and a transverse column with a central through hole extending to one end, wherein the cross-sectional area of ​​the transverse column occupies half of the cross-sectional area of ​​the longitudinal column. The central through hole of the transverse column corresponds to the through hole of the rotating plate 6, and the axle 7 is fixed to the rotating plate 6 by inserting bolts; the longitudinal columns of the axles 7 of the inner disc 1 and the outer disc 5 are close to each other.

[0039] The roller 8 is disposed within and abuts against the groove. It is an elliptical sphere with flattened ends and a central through-hole. The longitudinal column of the axle 7 extends into the roller 8 for fixation. The angle of the roller 8 is adjustable. When the through-hole of the roller 8 forms a certain angle with the extending direction of the inner disk 1, the outer disk 5 rotates, causing the roller 8 to rotate due to friction. This generates a component force that drives the entire device to move back and forth, thus achieving the feeding function.

[0040] In the initial state, the inner disk 1 is fixed, and the outer disk 5 drives the roller 8 to the limit position through the wheel axle 7 fixed on the rotating plate 6 so that the inner disk 1 and the outer disk 5 are linearly aligned. The bottom pull ring 3 is pushed to the limit position close to the inner disk 1, and the clamping member 4 is returned to the initial position, i.e. the maximum material diameter length, by pulling the pull rod 2.

[0041] In operation, the material is fed into the inner disk 1 through the lower pull ring 3. The centering wheel 43 in the device effectively and quickly feeds the material into the clamping auxiliary device. When the material is fed to the top of the inner disk 1, pulling out the pull ring 3 adjusts the fixed arm 41 and the movable arm 42 to the appropriate position, i.e., the current material diameter. The pressure provided by the fixed arm 41, the movable arm 42, and the centering wheel 43 is sufficient to support the stability of the material. Finally, the entire auxiliary device is fed into the machine tool by rotating the outer disk 5 of the auxiliary device (left-hand feed, right-hand feed). Throughout the process, the material is not affected by the deviation caused by rotation, even during feeding, due to the pressure provided by the centering wheel 43 in the device, greatly improving the processing accuracy.

[0042] This utility model's auxiliary material feeding and clamping device, based on a fixed end, utilizes the rotation of the outer disk 5 to transfer mechanical equivalence to the entire device, enabling it to perform feeding functions. Simultaneously, through the redesign and optimization of the pull rod 2, the auxiliary device can improve accuracy while adapting to materials of various sizes, significantly improving product versatility and greatly reducing costs. This utility model employs a rigid working mechanism, reducing the difficulty of product manufacturing and featuring a lightweight overall device, which helps to simplify the overall processing and production process, while effectively extending product lifespan and reducing operating costs. This utility model is simple to operate, greatly aiding assembly workers in quickly learning and using it, and significantly improving assembly efficiency and reducing assembly costs.

[0043] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and this utility model also intends to include these modifications and variations.

Claims

1. An auxiliary material feeding clamping device, characterized by: The device includes an inner disc, pull rods, pull rings, and several sets of clamping components. The inner disc is a hollow cylinder with an arc-shaped cross-section. Several sets of grooves extending along the inner disc's extension direction are provided inside the cylinder. These grooves are evenly spaced around the central axis of the inner disc. Several first protrusions are spaced along the sides of the grooves along the extension direction, and each first protrusion has a transverse through hole. The pull rod is slidably mounted within the grooves. Several second protrusions are spaced along the extension direction of the pull rod, and each second protrusion has a transverse through hole. The first and second protrusions are staggered. The pull ring is an annular structure located at one end of the inner disc. One end of each pull rod extends out of the inner disc and is fixed to the pull ring. The clamping components are double-lever structures, with one end of each component installed in the through holes of the first and second protrusions, respectively. The unfixed ends of the clamping components are used to abut against the material. Clamping components in different directions abut against the material to clamp it.

2. Auxiliary material feed clamping device according to claim 1, characterized in that The clamping component includes a fixed arm and a movable arm; the fixed arm has a cross-section of a rectangle cut off at equal intervals in the center, and symmetrical handle structures at both ends of the fixed arm. One handle of the fixed arm is fixed to a through hole in the first protrusion, and a through hole is provided in the middle side plate of the fixed arm; the movable arm has a cross-section of a rectangle cut off at equal intervals in the center outwards, with the width of the central rectangle being the same as that of the fixed arm, and symmetrical handle structures at both ends being the same as those of the fixed arm. One handle of the movable arm is fixed to a through hole in the second protrusion, and a through hole corresponding to that of the fixed arm is provided in the middle side plate of the movable arm; the middle part of the movable arm passes through the hollow part in the middle of the fixed arm, and the movable arm and the fixed arm are assembled in a cross shape.

3. Auxiliary material feed clamping device according to claim 2, characterized in that It also includes a centering wheel, which is a column with a concave center and a through hole in the center of the column for fixing to the handles of the fixed arm and the boom that are not fixed; the concave surfaces of several sets of centering wheels form a circular surface.

4. The auxiliary material feed clamping device according to claim 1, characterized in that: The inner disc has a shoulder with an outer diameter slightly larger than the main body of the inner disc at the end away from the pull ring. The shoulder is a hollow cylinder. The shoulder has several grooves at the end near the pull ring, and the width of the grooves gradually increases at the end near the pull ring. Through holes are provided on both sides of the grooves at the end away from the pull ring.

5. Auxiliary material feed clamping device according to claim 4, characterized in that The inner disc has a guide hole on its shoulder side.

6. The auxiliary material feed clamping device according to claim 4, characterized in that: It also includes a rotating plate, which has a plate-like structure at the center and columnar structures at both ends. The columnar structures at both ends are inserted into the through holes on the side of the groove, so that the rotating plate is fixed in the groove; the plate-like structure of the rotating plate has a through hole at its center.

7. The auxiliary material feed clamping device according to claim 6, characterized in that: It also includes a wheel axle, which includes a longitudinal column and a transverse column with a central through hole extending to one end, wherein the cross-sectional area of ​​the transverse column occupies half of the cross-sectional area of ​​the longitudinal column; the central through hole of the transverse column corresponds to the through hole of the rotating plate and is used to assemble with the rotating plate.

8. Auxiliary material feed clamping device according to claim 7, characterized in that It also includes an outer disc, which is disposed outside the inner disc near one end of the inner disc shoulder and is symmetrical to the inner disc shoulder; the grooves of the inner disc and the outer disc are opposite to each other and combined, and the longitudinal columns of the wheel axles of the inner disc and the outer disc are close to each other.

9. The auxiliary material feeding and clamping device according to claim 8, characterized in that: It also includes a roller, which is disposed in the groove and is an elliptical sphere with flattened ends and a central through hole. The longitudinal column of the wheel axle extends into the wheel axle for fixation.

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