Lead screw cutting device

Abstract

The embodiment of the utility model provides a lead screw cutting device, and relates to the technical field of lead screw cutting. The conveying seats are uniformly arranged on the upper end face of the base, connecting rods are rotatably connected to the inner sides of the conveying seats, lead screw conveying pieces are uniformly fixed to the outer sides of the connecting rods, and a driving assembly is connected to one ends of the connecting rods; the cutting assembly comprises a hydraulic rod, a cutting piece and a cutting knife set. The measuring assemblies are arranged on the left side and the right side of the base; the limiting mechanisms are arranged on the left side and the right side of the cutting piece. The position of the cutting piece can be adjusted through the arranged hydraulic rod, when the cutting piece descends, the lead screw can be limited through the limiting mechanism, the lead screw is prevented from shaking when the lead screw is cut by the cutter set subsequently, the cutting stability of the lead screw can be guaranteed, the arranged measuring assembly can be adjusted, and the measuring accuracy is improved. Therefore, adjustment can be carried out according to the lead screws with different lengths needing to be cut, and the application range of the equipment can be widened.

Description

Technical Field

[0001] The present application relates to the field of lead screw cutting technology, and in particular to a lead screw cutting device. Background Art

[0002] Ball screws are the most commonly used transmission elements in tool machinery and precision machinery. Their main function is to convert rotational motion into linear motion, or torque into axial repetitive force, while also having the characteristics of high precision, reversibility and high efficiency. Due to their low friction resistance, ball screws are widely used in various industrial equipment and precision instruments.

[0003] During the processing of the ball screw, the screw blank needs to be cut. The existing cutting device is usually fixed with a threaded rod when in use, and multiple repeated operations are required during installation and disassembly, which is time-consuming and labor-intensive and can easily cause the blank to deform. At the same time, when cutting the blank with the existing cutting device, the workers measure the length in advance and then cut it. After the blank is fixed, the required blank length cannot be adjusted and it needs to be disassembled again, which is very cumbersome and troublesome. Utility Model Content

[0004] The embodiment of the present application provides a lead screw cutting device to solve the current problems of inconvenience in fixing the lead screw and difficulty in measuring the length of the lead screw.

[0005] The embodiment of the present application provides a screw cutting device, comprising: a base and a support frame arranged on one side of the center of the upper end surface of the base;

[0006] A conveying seat is evenly arranged on the upper end surface of the base, the inner side of the conveying seat is rotatably connected with a connecting rod, the outer side of the connecting rod is evenly fixed with a screw conveying member, and one end of the connecting rod is connected to a driving assembly for rotating and adjusting the connecting rod;

[0007] The cutting assembly includes a hydraulic rod, a cutting piece and a cutting knife group, wherein the hydraulic rod is arranged at the central position of the upper end surface of the support frame, the cutting piece is fixed to the upper end surface of the hydraulic rod, and the cutting piece is arranged in a long strip shape, and the cutting knife group is arranged on the inner side of the cutting piece, and the cutting knife group can be slidably adjusted along the inner side of the cutting piece;

[0008] A measuring assembly, arranged on the left and right sides of the base, for adjusting the length of the lead screw to be cut;

[0009] The limiting mechanism is arranged on the left and right sides of the cutting member and is used to limit the position of the lead screw.

[0010] In a feasible implementation, the screw conveyor is evenly arranged along the outer surface of the connecting rod, and the screw conveyor can be slidably adjusted left and right and connected to the connecting rod by bolts, and the outer center of the screw conveyor is an arc-shaped structure.

[0011] In a feasible implementation, the driving assembly includes a servo motor, a belt pulley and a linkage disk, the servo motor is fixed on one side of a group of connecting rods, the belt pulley is fixed on the output end of the servo motor, the linkage disk is fixed on one side of another group of connecting rods, and the belt pulley is connected to the linkage disk through a belt.

[0012] In a feasible implementation, the measuring assembly includes an adjusting screw, an adjusting handle, an adjusting slide, an adjusting shaft, a measuring plate and a limiting slide rod. The adjusting screw is arranged on one side of the upper end surface of the base, the adjusting handle is fixed at one end of the adjusting screw rod, the limiting slide rod is arranged on the side of the upper end surface of the base away from the adjusting screw rod, the adjusting slide rod is provided with two groups and is respectively sleeved on the outer surfaces of the adjusting screw rod and the limiting slide rod, and can be slid left and right along the inner side of the base for adjustment, the adjusting shaft is rotatably connected to the inner side of the adjusting slide rod, and the measuring plate is rotatably connected to the outer side of the adjusting shaft and is located on the inner side of the adjusting slide rod.

[0013] In a feasible implementation, the measuring plate includes a connecting groove, a connecting plate and a locking piece, the connecting groove is opened on the upper end surface of the measuring plate, the connecting plate is slidably engaged on the inner side of the connecting groove, and the connecting plate can slide along the inside of the connecting groove, the locking piece is arranged on one side of the measuring plate, and the locking piece passes through the measuring plate and is connected to the connecting plate.

[0014] In a feasible implementation, the limiting mechanism includes an adjusting shaft, a locking plate, a limiting ring and a positioning ball. The adjusting shaft is symmetrically arranged on the left and right sides of the cutting piece, and a torsion spring is sleeved on the outer surface of the adjusting shaft. The locking plate is sleeved on the outer surface of the adjusting shaft, and the locking plate is arranged in an inclined state. The limiting ring is opened at the lower end of the locking plate, and the limiting ring can be clamped on the upper end surface of the screw, and the positioning ball is symmetrically arranged on the inner side of the limiting ring.

[0015] The utility model of the present application can drive the connecting rod to rotate at multiple angles through the driving component, and then, the provided screw conveying member can support and limit the screw rod to avoid the deviation of the screw rod, and the provided hydraulic rod can adjust the position of the cutting member, and when the cutting member descends, the screw rod can be limited by the limiting mechanism, which can avoid the screw rod from shaking when the subsequent cutting knife group cuts the screw rod, thereby ensuring the stability of the screw rod cutting, and at the same time, the provided measuring component can be adjusted, so that the screw rod can be adjusted according to the required cutting length, thereby improving the application range of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present application and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 This is a schematic diagram of the top view of the lead screw cutting device of the present application;

[0018] Figure 2 It is a schematic diagram of the top view of the base structure of the present application;

[0019] Figure 3 This is a schematic diagram of the supporting frame of the present application when viewed from above;

[0020] Figure 4 It is a schematic diagram of the top view structure of the measurement component of this application.

[0021] Description of reference numerals:

[0022] 100-base; 200-support frame; 300-transport seat; 400-driving assembly; 500-cutting assembly; 600-measuring assembly; 700-limiting mechanism;

[0023] 310-connecting rod; 320-screw conveying member;

[0024] 410-servo motor; 420-belt pulley; 430-linkage pulley;

[0025] 510- hydraulic rod; 520- cutting piece; 530- cutting knife group;

[0026] 610-adjusting screw rod; 620-adjusting handle; 630-adjusting slide plate; 640-adjusting rotating shaft; 650-adjusting rotating shaft; 660-limiting slide rod;

[0027] 651-connecting slide; 652-connecting plate; 653-locking member;

[0028] 710 - adjusting shaft; 720 - locking plate; 730 - limiting ring; 740 - positioning ball. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the technical solutions in this application, the following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the described embodiments are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of this application.

[0030] Please refer to Figure 1-Figure 4 A lead screw cutting device includes: a base 100 and a support frame 200 arranged on one side of the center of the upper end surface of the base 100, a conveying seat 300, a driving assembly 400, a cutting assembly 500, a measuring assembly 600 and a limiting mechanism 700.

[0031] The conveying seat 300 is evenly arranged on the upper end surface of the base 100. The inner side of the conveying seat 300 is rotatably connected to a connecting rod 310. The outer side of the connecting rod 310 is evenly fixed with a screw conveying member 320. One end of the connecting rod 310 is connected to a driving assembly 400 for rotationally adjusting the connecting rod 310.

[0032] The cutting assembly 500 includes a hydraulic rod 510, a cutting piece 520 and a cutting knife group 530. The hydraulic rod 510 is arranged at the central position of the upper end surface of the support frame 200. The cutting piece 520 is fixed on the upper end surface of the hydraulic rod 510, and the cutting piece 520 is arranged in a long strip shape. The cutting knife group 530 is arranged on the inner side of the cutting piece 520, and the cutting knife group 530 can be slidably adjusted along the inner side of the cutting piece 520.

[0033] The measuring assembly 600 is disposed on the left and right sides of the base 100 and is used to adjust the length of the lead screw to be cut.

[0034] The limiting mechanism 700 is disposed on the left and right sides of the cutting member 520 to limit the position of the lead screw.

[0035] The screw conveying member 320 is evenly arranged along the outer surface of the connecting rod 310, and the screw conveying member 320 can be adjusted by sliding left and right and connected to the connecting rod 310 by bolts, and the outer center of the screw conveying member 320 is an arc-shaped structure. By setting multiple groups of connecting rods 310, the stability during the screw conveying process can be ensured, and the screw conveying member 320 can limit the screw, and the outer side of the screw conveying member 320 is an arc-shaped groove, which can prevent the screw from deviating during the conveying process and affecting subsequent processing.

[0036] The driving assembly 400 includes a servo motor 410, a belt pulley 420 and a linkage disk 430. The servo motor 410 is fixed to one side of a group of connecting rods 310, the belt pulley 420 is fixed to the output end of the servo motor 410, and the linkage disk 430 is fixed to one side of another group of connecting rods 310, and the belt pulley 420 is connected to the linkage disk 430 through a belt. The servo motor 410 is fixed to one end of a group of connecting rods 310, and when the servo motor 410 rotates, the connecting rods 310 can be rotated accordingly, and then, the belt pulley 420 outside the servo motor 410 can be connected to the linkage disk 430 through a belt, so that the two groups of connecting rods 310 can be driven to rotate in the same direction, so that the lead screw can be transported and fed.

[0037] In some examples, the staff can also manually push the screw to feed, and because the connecting rod 310 can rotate, it is convenient for the staff to feed. At the same time, the outer side of the screw conveyor 320 is an arc-shaped groove to avoid limitation by the screw.

[0038] Please refer to Figure 1 , Figure 2 and Figure 4 The measuring assembly 600 includes an adjusting screw 610, an adjusting handle 620, an adjusting slide 630, an adjusting shaft 640, a measuring plate 650 and a limiting slide 660. The adjusting screw 610 is arranged on one side of the upper end surface of the base 100, and the adjusting handle 620 is fixed to one end of the adjusting screw 610. The limiting slide 660 is arranged on the side of the upper end surface of the base 100 away from the adjusting screw 610. The adjusting slide 630 is provided with two groups and is respectively sleeved on the outer surfaces of the adjusting screw 610 and the limiting slide 660, and can be slid left and right along the inner side of the base 100 for adjustment. The adjusting shaft 640 is rotatably connected to the inner side of the adjusting slide 630, and the measuring plate 650 is rotatably connected to the outer side of the adjusting shaft 640 and is located on the inner side of the adjusting slide 630. The adjusting handle 620 can drive the adjusting screw 610 to rotate, and when the adjusting screw 610 rotates, the adjusting slide 630 can slide along the outer surface of the adjusting screw 610. In addition, since the adjusting slide 630 is a "T"-shaped structure, the shaking of the adjusting slide 630 can be avoided. In addition, since the adjusting slide 630 can be adjusted, the position of the measuring plate 650 can be adjusted, so that it can be adjusted according to the length of the required cutting screw, thereby further improving the application range of the equipment. At the same time, the adjusting shaft 640 can adjust the angle of the measuring plate 650, so as to facilitate the subsequent disassembly of the measuring plate 650, so as to facilitate the subsequent inspection and maintenance.

[0039] In some examples, a scale may be provided on the upper end surface of the base 100 to provide a reference for the staff when adjusting the adjustment slide 630, thereby facilitating the staff to adjust the length of the screw required to be cut, thereby further improving the scope of application of the equipment.

[0040] The measuring plate 650 includes a connecting slot 651, a connecting plate 652 and a locking member 653. The connecting slot 651 is provided on the upper end surface of the measuring plate 650. The connecting plate 652 is slidably engaged with the inner side of the connecting slot 651 and can slide along the inner side of the connecting slot 651. The locking member 653 is provided on one side of the measuring plate 650 and passes through the measuring plate 650 to connect with the connecting plate 652. The position of the connecting plate 652 can be adjusted by the provided connecting slot 651. When the connecting plate 652 is stored in the connecting slot 651, the top of the connecting plate 652 is lower than the central axis of the connecting rod 310, so that the subsequent screw can be placed normally on the upper end of the connecting rod 310. When the connecting plate 652 on one side is stored in the connecting slot 651, the connecting plate 652 on the inner side of the measuring plate 650 on the other side can be pulled out, so that the subsequent detection of the screw can be facilitated.

[0041] Please refer to Figure 1 and Figure 3 The limiting mechanism 700 includes an adjusting shaft 710, a locking plate 720, a limiting ring 730 and a positioning ball 740. The adjusting shaft 710 is symmetrically arranged on the left and right sides of the cutting member 520, and a torsion spring is sleeved on the outer surface of the adjusting shaft 710. The locking plate 720 is sleeved on the outer surface of the adjusting shaft 710, and the locking plate 720 is arranged in an inclined shape. The limiting ring 730 is provided at the lower end of the locking plate 720, and the limiting ring 730 can be clamped on the upper end surface of the lead screw. The positioning ball 740 is symmetrically arranged on the inner side of the limiting ring 730. The locking plate 720 can be driven to rotate by the adjusting shaft 710, and a torsion spring is arranged on the outer side of the adjusting shaft 710, which can reset the locking plate 720. When the cutting member 520 descends, the limiting ring 730 can be clamped on the outside of the lead screw, and the positioning ball 740 can contact the surface of the lead screw, which can ensure the smooth sliding of the locking plate 720. At the same time, the locking plate 720 cooperates with the limiting ring 730 to limit the lead screw, and the lead screw can be cut by the cutting knife group 530 inside the cutting member 520. In addition, since a motor and a connecting lead screw are provided on one side of the cutting member 520, the cutting knife group 530 can slide along the inside of the cutting member 520, and the lead screw can be cut, thereby ensuring subsequent processing.

[0042] It is easy to understand that those skilled in the art can combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments based on the several embodiments provided in the present application, and these embodiments do not exceed the protection scope of the present application.

[0043] The above specific implementation methods further explain in detail the purpose, technical solutions and beneficial effects of the embodiments of the present application. It should be understood that the above are only specific implementation methods of the embodiments of the present application and are not used to limit the protection scope of the embodiments of the present application. Any modifications, equivalent substitutions, improvements, etc. made on the basis of the technical solutions of the embodiments of the present application should be included in the protection scope of the embodiments of the present application.

Claims

1. A screw cutting device, characterized in that: include: A base (100) and a support frame (200) arranged on one side of the center of the upper end surface of the base (100); A conveying seat (300) is evenly arranged on the upper end surface of the base (100); a connecting rod (310) is rotatably connected to the inner side of the conveying seat (300); a screw conveying member (320) is evenly fixed to the outer side of the connecting rod (310); and a driving assembly (400) is connected to one end of the connecting rod (310) for rotationally adjusting the connecting rod (310); The cutting assembly (500) comprises a hydraulic rod (510), a cutting piece (520) and a cutting knife group (530), wherein the hydraulic rod (510) is arranged at the central position of the upper end surface of the support frame (200), the cutting piece (520) is fixed to the upper end surface of the hydraulic rod (510), and the cutting piece (520) is arranged in a long strip shape, and the cutting knife group (530) is arranged on the inner side of the cutting piece (520), and the cutting knife group (530) can be slidably adjusted along the inner side of the cutting piece (520); A measuring assembly (600), arranged on the left and right sides of the base (100), and used for adjusting the length of the lead screw to be cut; The limiting mechanism (700) is arranged on the left and right sides of the cutting member (520) and is used to limit the position of the lead screw.

2. A screw cutting device according to claim 1, characterized in that: The screw conveying member (320) is evenly arranged along the outer surface of the connecting rod (310), and the screw conveying member (320) can be slidably adjusted left and right and is connected to the connecting rod (310) via bolts, and the outer center of the screw conveying member (320) is an arc-shaped structure.

3. A screw cutting device according to claim 2, characterized in that: The driving assembly (400) comprises a servo motor (410), a belt pulley (420) and a linkage disk (430), wherein the servo motor (410) is fixed on one side of a group of connecting rods (310), the belt pulley (420) is fixed on the output end of the servo motor (410), and the linkage disk (430) is fixed on one side of another group of connecting rods (310), and the belt pulley (420) is connected to the linkage disk (430) via a belt.

4. A screw cutting device according to claim 1, characterized in that: The measuring assembly (600) comprises an adjusting screw (610), an adjusting handle (620), an adjusting slide plate (630), an adjusting rotating shaft (640), a measuring plate (650) and a limiting slide bar (660), wherein the adjusting screw (610) is arranged on one side of the upper end surface of the base (100), the adjusting handle (620) is fixed at one end of the adjusting screw (610), and the limiting slide bar (660) is arranged on the upper end surface of the base (100) away from the adjusting handle (620). On one side of the threaded rod (610), the adjusting slide plate (630) is provided with two groups and is respectively sleeved on the outer surface of the adjusting screw rod (610) and the limiting slide bar (660), and can be slid left and right along the inner side of the base (100) for adjustment. The adjusting shaft (640) is rotatably connected to the inner side of the adjusting slide plate (630), and the measuring plate (650) is rotatably connected to the outer side of the adjusting shaft (640) and is located on the inner side of the adjusting slide plate (630).

5. A screw cutting device according to claim 4, characterized in that: The measuring plate (650) comprises a connecting groove (651), a connecting plate (652) and a locking piece (653); the connecting groove (651) is provided on the upper end surface of the measuring plate (650); the connecting plate (652) is slidably engaged with the inner side of the connecting groove (651), and the connecting plate (652) can slide along the inside of the connecting groove (651); the locking piece (653) is arranged on one side of the measuring plate (650), and the locking piece (653) passes through the measuring plate (650) and is connected to the connecting plate (652).

6. A screw cutting device according to claim 5, characterized in that: The limiting mechanism (700) comprises an adjusting shaft (710), a locking plate (720), a limiting ring (730) and a positioning ball (740); the adjusting shaft (710) is symmetrically arranged on the left and right sides of the cutting member (520), and a torsion spring is sleeved on the outer surface of the adjusting shaft (710); the locking plate (720) is sleeved on the outer surface of the adjusting shaft (710), and the locking plate (720) is arranged in an inclined state; the limiting ring (730) is opened at the lower end of the locking plate (720), and the limiting ring (730) can be clamped on the upper end surface of the screw; the positioning ball (740) is symmetrically arranged on the inner side of the limiting ring (730).

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