A screw fastener machining tool

By introducing a limiting plate and an equal-space adjustment mechanism into the screw fastener processing fixture, the problems of unstable clamping and poor processing accuracy of traditional fixtures are solved, enabling rapid installation and precise clamping of screws, adapting to various screw pitches, and improving processing efficiency and safety.

CN224295306UActive Publication Date: 2026-05-29JIANGSU XUNRUI SPECIAL ALLOY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU XUNRUI SPECIAL ALLOY CO LTD
Filing Date
2025-06-26
Publication Date
2026-05-29

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    Figure CN224295306U_ABST
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Abstract

The utility model discloses a kind of screw fastener processing frock, it includes processing seat, the processing groove is opened in the inside of processing seat, the upper surface of processing seat is slidably connected with limiting plate, the side surface of processing seat is fixedly connected with knob, the side surface of knob is fixedly connected with lead screw, the side surface of lead screw is provided with rubber clamp plate, the inside wall of processing seat is opened with movable slot;Pull rod, the side surface of pull rod is slidably connected with slide, the bottom end of pull rod is rotatably connected with connecting rod, the inside of connecting rod is rotatably connected with positioning pin, rotating column and limiting column, the one end of rotating column away from connecting rod is rotatably connected with sliding block, the side surface of sliding block is fixedly connected with clamping piece. Through the above structure, the processing groove is opened in the inside of processing seat, the nut of screw can be limited by sliding limiting plate, so that screw can only slide between limiting plate, prevent screw from falling directly from processing groove, facilitate staff to place multiple screws quickly.
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Description

Technical Field

[0001] This utility model relates to the field of machining tooling technology, and in particular to a screw fastener machining tooling. Background Technology

[0002] Traditional tooling has many shortcomings in screw fastener processing. For example, when using rigid clamping, pressure is easily applied to the thread crest, leading to deformation, wear, or even scrapping of the thread crest, affecting the use of the screw; without an effective limiting structure, the screw is prone to falling out of the machining groove, and each screw needs to be adjusted individually during installation, resulting in low clamping efficiency; spacing adjustment is mostly manual single-point adjustment, making it difficult to achieve synchronous displacement with equal spacing; in addition, rigid adjustment structures cannot adapt to various thread specifications, limiting the tooling's versatility; during processing, screws are prone to displacement due to uneven force, affecting the machining accuracy of milling, grinding, and other processes, and even causing safety hazards. Utility Model Content

[0003] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a screw fastener processing fixture. A processing groove is opened inside the processing base. The screw nut can be restricted by a sliding limiting plate, so that the screw can only slide between the limiting plates, preventing the screw from falling directly from the processing groove. It is convenient for workers to quickly place multiple screws. The connecting rod, positioning pin, rotating column, limiting column, slider and limiting frame form an equal-spaced adjustment mechanism. Pulling the connecting rod can drive the slider to produce equal-spaced displacement. The clamping plates on the side surfaces of multiple sliders can also maintain equal-spaced displacement. With the help of rubber clamps, the clamping plates can be embedded in the root of the thread on the side surface of the screw, realizing precise clamping of the screw without putting pressure on the thread crest, preventing the thread crest from deforming and causing the screw to be unusable.

[0004] This utility model also provides a screw fastener processing fixture as described above, comprising: a processing base, wherein a processing groove is provided inside the processing base, a limiting plate is slidably connected to the upper surface of the processing base, a knob is fixedly connected to the side surface of the processing base, a lead screw is fixedly connected to the side surface of the knob, a rubber clamp is provided on the side surface of the lead screw, and a movable groove is provided on the inner side wall of the processing base; a pull rod, wherein a sliding plate is slidably connected to the side surface of the pull rod, a connecting rod is rotatably connected to the bottom end of the pull rod, a positioning pin, a rotating column and a limiting column are rotatably connected inside the connecting rod, a slider is rotatably connected to the end of the rotating column away from the connecting rod, a clamping piece is fixedly connected to the side surface of the slider, and a limiting frame is slidably connected to the side surface of the slider. The above components include a machining groove inside the machining base. A sliding limit plate restricts the screw's nut, allowing the screw to slide only between the limit plates, preventing it from falling directly into the machining groove. This facilitates the quick placement of multiple screws. The connecting rod, positioning pin, rotating column, limit column, slider, and limit frame form an equal-space adjustment mechanism. Pulling the connecting rod with the pull rod causes the slider to move at equal intervals. The clamping plates on the side surfaces of the multiple sliders also maintain equal-spaced movement. With the help of rubber clamps, the clamping plates can embed into the root of the screw's thread, achieving precise clamping of the screw without putting pressure on the thread crest, thus preventing deformation of the thread crest and rendering the screw unusable.

[0005] According to the present invention, a screw fastener processing fixture has two processing grooves located at the upper and lower ends of the processing base, and two limiting plates located at the front and rear ends of the processing base. These components allow the bottom end of a longer screw to pass directly through the processing base, while the limiting plates restrict the screw's nut, preventing the screw from falling directly.

[0006] According to the present invention, a screw fastener processing fixture is provided, wherein the side surface of the lead screw is rotatably connected to the interior of the processing base, and there are two knobs and lead screws located at the front and rear ends of the processing base. These components enable the lead screw to rotate normally, allowing the rubber clamp to slide stably and providing stable clamping for the screw.

[0007] According to the present invention, a screw fastener processing fixture is provided, wherein the side surface of the rubber clamp is slidably connected to the inner wall of the processing seat, and there are several processing seats that are interconnected. These components limit the range of motion of the rubber clamp, preventing unstable clamping, and the multiple processing seats facilitate the simultaneous processing of multiple screws.

[0008] According to the present invention, a screw fastener processing fixture has a sliding plate side surface that is slidably connected to the top of the processing seat, and several connecting rods that are interconnected by positioning pins. These components limit the range of motion of the sliding plate, allowing the connecting rods to move vertically and longitudinally. The several connecting rods, connected by positioning pins, form an equally spaced adjustment mechanism.

[0009] According to the screw fastener processing fixture of this utility model, the end of the limiting post away from the connecting rod is movably connected to the inner sidewall of the movable groove, and the slider is a plurality of them arranged in an array inside the limiting frame. These components limit the range of motion of the limiting post, so that when the pull rod pulls a single connecting rod, it can drive all the connecting rods connected to it to rotate, and drive the rotating post and slider to move at equal intervals.

[0010] According to the screw fastener processing fixture of this utility model, the side surface of the limiting frame is fixedly connected to the inner sidewall of the processing seat, and the slider in the middle of the limiting frame is fixedly connected to the inner sidewall of the limiting frame. Through these components, the limiting frame is fixed, and the slider located in the middle of the limiting frame is fixed, allowing the upper and lower sliders to move at equal intervals.

[0011] According to the present invention, a screw fastener processing fixture is provided, wherein the clamping plate is located between the slider and the rubber clamping plate, which facilitates stable clamping of the screw.

[0012] Beneficial effects:

[0013] Compared with the prior art, this utility model has a processing groove inside the processing base. The screw nut can be restricted by the sliding limit plate, so that the screw can only slide between the limit plates, preventing the screw from falling directly from the processing groove. This makes it easy for workers to quickly place multiple screws. The connecting rod, positioning pin, rotating column, limit column, slider and limit frame form an equal-spaced adjustment mechanism. Pulling the connecting rod can drive the slider to produce equal-spaced displacement. The clamping plates on the side surfaces of multiple sliders can also maintain equal-spaced displacement. With the help of the rubber clamping plate, the clamping plate can be embedded in the root of the thread on the side surface of the screw, realizing precise clamping of the screw without putting pressure on the thread crest, preventing the thread crest from deforming and causing the screw to become unusable. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0015] Figure 1 This is an overall structural diagram of the screw fastener processing fixture of this utility model;

[0016] Figure 2 This is a side view of the screw fastener processing fixture of this utility model;

[0017] Figure 3 This is a schematic diagram of the connection structure of the equal spacing adjustment mechanism of the screw fastener processing fixture of this utility model.

[0018] Figure 4 This is a front cross-sectional view of the screw fastener processing fixture of this utility model.

[0019] Legend:

[0020] 1. Machining base; 2. Machining groove; 3. Limiting plate; 4. Knob; 5. Lead screw; 6. Rubber clamp; 7. Movable groove; 8. Tie rod; 9. Slide plate; 10. Connecting rod; 11. Positioning pin; 12. Rotary column; 13. Limiting column; 14. Slider; 15. Clamping piece; 16. Limiting frame. Detailed Implementation

[0021] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0022] Reference Figure 1-4 This utility model provides a screw fastener processing fixture, comprising: a processing base 1, which has several processing bases 1 connected to each other; a processing groove 2 is provided inside the processing base 1, which has two processing grooves located at the upper and lower ends of the processing base 1; a limiting plate 3 is slidably connected to the upper surface of the processing base 1, which has two limiting plates located at the front and rear ends of the processing base 1; a knob 4 is fixedly connected to the side surface of the processing base 1; a lead screw 5 is fixedly connected to the side surface of the knob 4; the side surface of the lead screw 5 is rotatably connected to the interior of the processing base 1; the knob 4 and the lead screw 5 have two knobs located at the front and rear ends of the processing base 1; a rubber clamp 6 is provided on the side surface of the lead screw 5; the side surface of the rubber clamp 6 is slidably connected to the inner wall of the processing base 1; and a movable groove 7 is provided on the inner wall of the processing base 1.

[0023] Specifically, by sliding the two limiting plates 3 to adjust their distance, the screw shaft can pass directly through while the nut is blocked, so that the screw can only move laterally between the two limiting plates 3. This facilitates the quick installation of multiple screws by the operator. At this time, the operator can turn the knob 4 to drive the lead screw 5 to rotate, so that the rubber clamp 6 can slide inside the processing seat 1, thereby clamping the screw with the rubber clamp 6.

[0024] A pull rod 8 has a sliding plate 9 slidably connected to its side surface. The side surface of the sliding plate 9 is slidably connected to the top of the machining base 1. A connecting rod 10 is rotatably connected to the bottom of the pull rod 8. A positioning pin 11, a rotating column 12, and a limiting column 13 are rotatably connected inside the connecting rod 10. There are several connecting rods 10, which are interconnected by the positioning pin 11. The end of the limiting column 13 away from the connecting rod 10 is movably connected to the inner wall of the movable groove 7. A slider 14 is rotatably connected to the end of the rotating column 12 away from the connecting rod 10. A clamping piece 15 is fixedly connected to the side surface of the slider 14. The clamping piece 15 is located between the slider 14 and the rubber clamping plate 6. A limiting frame 16 is slidably connected to the side surface of the slider 14. There are several sliders 14, which are arranged in an array inside the limiting frame 16. The side surface of the limiting frame 16 is fixedly connected to the inner wall of the machining base 1. The slider 14 in the middle of the limiting frame 16 is fixedly connected to the inner wall of the limiting frame 16.

[0025] Specifically, pulling the lever 8 allows it to slide vertically inside the slide plate 9, and the slide plate 9 can slide longitudinally at the top of the machining base 1. This can drive the topmost connecting rod 10 to rotate through the limiting post 13, which is restricted by the movable groove 7 at its end. Since the connecting rod 10, the positioning pin 11, the rotating post 12, the limiting post 13, the slider 14, and the limiting frame 16 form an equal-spaced adjustment mechanism, it can achieve equal-spaced displacement of the rotating post 12, which in turn drives the slider 14 to move at equal spaces inside the limiting frame 16. This allows the clamping piece 15 to match the screw thread and embed into the root of the thread, achieving precise clamping of the screw without putting pressure on the thread crest, preventing deformation of the thread crest that would render the screw unusable. It is also suitable for screws with various pitches.

[0026] Working principle: During the use of the tooling, the distance between the two limiting plates 3 is adjusted by sliding them, allowing the screw shaft to pass directly while the nut is blocked. This restricts the screw's movement to a lateral position between the two limiting plates 3, facilitating the quick installation of multiple screws. Pulling the lever 8 allows it to slide vertically inside the slide plate 9, which in turn slides longitudinally at the top of the machining base 1. This drives the top connecting rod 10 to rotate through the limiting post 13, which is restricted by the movable groove 7 at its end. The connecting rod 10, locating pin 11, rotating post 12, limiting post 13, slider 14, and limiting... The positioning frame 16 forms an equal-spaced adjustment mechanism, which enables the rotating column 12 to move at equal spaces, driving the slider 14 to move at equal spaces within the positioning frame 16. This allows the clamping plate 15 to match the screw thread and embed into the root of the thread, achieving precise clamping of the screw without putting pressure on the thread crest, preventing deformation of the thread crest that would render the screw unusable. It is also suitable for screws with various pitches. At this time, the operator can rotate the knob 4 to rotate the lead screw 5, allowing the rubber clamp 6 to slide inside the processing seat 1, thus clamping the screw with the rubber clamp 6.

[0027] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A tooling for machining screw fasteners, characterized in that, include: A processing base (1) is provided with a processing groove (2) inside the processing base (1). A limit plate (3) is slidably connected to the upper surface of the processing base (1). A knob (4) is fixedly connected to the side surface of the processing base (1). A lead screw (5) is fixedly connected to the side surface of the knob (4). A rubber clamp (6) is provided on the side surface of the lead screw (5). A movable groove (7) is provided on the inner side wall of the processing base (1). A pull rod (8) is slidably connected to a slide plate (9) on its side surface. A connecting rod (10) is rotatably connected to the bottom end of the pull rod (8). A positioning pin (11), a rotating column (12), and a limiting column (13) are rotatably connected inside the connecting rod (10). A slider (14) is rotatably connected to the end of the rotating column (12) away from the connecting rod (10). A clamping piece (15) is fixedly connected to the side surface of the slider (14). A limiting frame (16) is slidably connected to the side surface of the slider (14).

2. The screw fastener processing fixture according to claim 1, characterized in that, The processing groove (2) has two and is located at the upper and lower ends of the processing base (1), and the limiting plate (3) has two and is located at the front and rear ends of the processing base (1).

3. The screw fastener processing fixture according to claim 1, characterized in that, The side surface of the lead screw (5) is rotatably connected to the inside of the machining seat (1), and there are two knobs (4) and lead screw (5) located at the front and rear ends of the machining seat (1).

4. The screw fastener processing fixture according to claim 1, characterized in that, The side surface of the rubber clamp (6) is slidably connected to the inner wall of the processing seat (1), and there are several processing seats (1) that are interconnected.

5. The screw fastener processing fixture according to claim 1, characterized in that, The side surface of the slide plate (9) is slidably connected to the top of the processing seat (1), and the connecting rod (10) has several parts and is interconnected by positioning pins (11).

6. The screw fastener processing fixture according to claim 1, characterized in that, The end of the limiting post (13) away from the connecting rod (10) is movably connected to the inner wall of the movable groove (7), and the slider (14) has several and is distributed in an array inside the limiting frame (16).

7. The screw fastener processing fixture according to claim 1, characterized in that, The side surface of the limiting frame (16) is fixedly connected to the inner wall of the processing seat (1), and the slider (14) in the middle of the limiting frame (16) is fixedly connected to the inner wall of the limiting frame (16).

8. The screw fastener processing fixture according to claim 1, characterized in that, The clamping piece (15) is located between the slider (14) and the rubber clamp (6).