Circulating type screw heading device

Abstract

The utility model belongs to the technical field of screw production, and particularly relates to a circulating type screw heading device which is characterized in that a screw to be heading is clamped into a screw buckle, and a working surface at the upper end of a guide rail of a linear motor drives a positioning frame and a punch machine body to stably move, so that a top screw hole of the screw is accurately positioned; the punching hole-forming operation of the metal screw is completed in cooperation with a bottom punch, and the precision of the product is improved; on the other hand, an air suction port of the material suction fan is located on the outer side of the polished workpiece, the polished metal scraps are sucked in and discharged into the collecting frame along the discharging pipe in the negative pressure state, and then the scraps are conveniently collected; the stepping motor on the outer side can be electrically started, a motor shaft of the stepping motor drives the two-way screw rod to rotate, the movable block embedded in the sliding groove can drive the two heading grinding blocks to move oppositely or relatively under the cooperation of the thread face of the stepping motor and the lead screw with the thread groove formed in the movable block, then the screw head heading grinding device adapts to cutting work of different types of screw heads, and the application range of the product is widened.

Description

Technical Field

[0001] The utility model belongs to the technical field of screw production, and in particular relates to a circulating screw driving device. Background Art

[0002] Screws are very common connectors in life. By turning the screw head, the screw is drilled into the workpiece, so that the screw and the workpiece or multiple workpieces are connected together through the screw to play a role of connection or fastening. In order to facilitate the fastening of the screw, it is necessary to punch a hole for the screw head during the screw production process, which requires the use of a screw head device.

[0003] After searching, the publication number: CN220372121U discloses a screw heading device. In the utility model, an adjustment mechanism is provided so that when the heading machine needs to be adjusted, the slider can be connected through the slide groove, so that the slider can slide up and down, and the connecting component can be adjusted up and down, so that the heading device can be moved up and down. Universal wheels are fixedly connected at the four corners of the lower end of the box body, so that the device can be more convenient to move when it needs to be moved and adjusted, thereby enhancing the mobility of the device. However, due to the high pressure when punching the screw, the practical effect of the up and down adjustment is general, and this device cannot be used for grinding screw heads and collecting waste chips of different models, and its practicality is low.

[0004] Therefore, a circulating screw driving device is designed to solve the above problems. Utility Model Content

[0005] To solve the problems raised in the above background technology. The utility model provides a circulating screw heading device. When the device is in use, the screw to be headed can be inserted into the screw buckle, and the screw is transported to the lower end of the punch machine body along the belt end face of the belt conveyor, and the linear motor on the top of the support frame is started. The upper working surface of the guide rail of the linear motor drives the positioning frame and the punch machine body to move smoothly, and then accurately locates the top thread hole of the screw, and cooperates with the bottom punch to complete the punching and hole forming operation of the metal screw, thereby improving the precision of the product; on the other hand, the air intake of the suction fan is located on the outside of the polished workpiece, and the metal waste chips under polishing are sucked in and discharged into the collection frame along the discharge pipe under negative pressure, thereby facilitating the collection of waste chips.

[0006] When grinding the head, the outer propulsion cylinder is started through the control end, and its piston end pushes the push rod, which pushes the connecting block and the connected pressed-in outer frame close to the screw, and the outer heading grinding block contacts the surface of the screw. In this process, the outer stepper motor can be electrically started, and its motor shaft drives the bidirectional screw to rotate. With the cooperation of the screw thread surface and the screw rod with the built-in thread groove of the movable block, the movable block embedded in the slide groove can drive the two sets of heading grinding blocks to move away from or relative to each other, thereby adapting to the cutting work of screw heads of different types and improving the application scope of this product.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circulating screw heading device, including an efficient screw heading mechanism, the efficient screw heading mechanism including a belt conveyor, a screw clip, a support frame, a linear motor, a positioning frame, a punch machine body and a grinding assembly, the belt conveyor is arranged at the lower end of the punch machine body, the screw clip is fixedly connected to the belt end surface of the belt conveyor, the support frame is fixedly connected to the upper end of the belt conveyor, the linear motor is threadedly connected to the top of the support frame, the positioning frame is threadedly connected to the outside of the guide rail end of the linear motor, and the grinding assembly is symmetrically distributed on both sides of the bottom of the punch end of the punch machine body.

[0008] As a preferred circulating screw heading device of the utility model, the grinding assembly includes a thrust cylinder, a push rod, a pressed outer frame, a connecting block and a heading grinding block, the piston end of the thrust cylinder is fixedly connected to one end of the push rod, the outer side of the push rod is fixedly connected to the middle part of the pressed outer frame, the two ends of the pressed outer frame are fixedly connected to the surface of the connecting block, the surface of the connecting block is fixedly connected to the outer side of the push rod, and the heading grinding block is movably connected to the outer side of the pressed outer frame.

[0009] As a preferred circulating screw driving device of the utility model, a stepper motor, a bidirectional screw and a movable block are installed on one side of the pressed-in outer frame, the motor shaft of the stepper motor is fixedly connected to one end of the bidirectional screw through a coupling, the bidirectional screw is threadedly sleeved on the inside of the movable block, and the outer wall surface of the movable block is fixedly connected to the inner side of the heading grinding block.

[0010] As a preferred embodiment of the circulating screw driving device of the utility model, a sliding groove adapted to the size of the movable block is provided inside the pressed-in outer frame.

[0011] As a preferred embodiment of the circulating screw driving device of the utility model, a thread groove matching the size of the bidirectional screw is provided through the interior of the movable block.

[0012] As a preferred circulating screw heading device of the utility model, a suction fan, a discharge pipe and a collecting frame are also provided on the outside of the support frame, the air inlet end of the suction fan is tightly fitted with the inner wall of the support frame through a pipeline, the discharge pipe is clamped on the outside of the output end of the suction fan, and the collecting frame is arranged at the lower end of the pipe mouth of the discharge pipe.

[0013] As a preferred embodiment of the circulating screw driving device of the utility model, the press-in outer frames are provided with two groups, and the output end faces of the two groups of the press-in outer frames are perpendicular to each other.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, the screw to be headed is inserted into the screw buckle, and the upper working surface of the guide rail of the linear motor drives the positioning frame and the punch machine body to move smoothly, thereby accurately positioning the top thread hole of the screw, and cooperating with the bottom punch to complete the punching and hole-forming operation of the metal screw, thereby improving the precision of the product; on the other hand, the air intake of the suction fan is located on the outside of the polished workpiece, and the metal waste chips under polishing are sucked in along the discharge pipe under negative pressure and discharged into the collection frame, thereby facilitating the collection of waste chips.

[0016] 2. In the utility model, the outer propulsion cylinder is started by the control end, and its piston end pushes the push rod, which pushes the connecting block and the connected pressed-in outer frame close to the screw, and the outer heading grinding block contacts the surface of the screw. In this process, the outer stepper motor can be electrically started, and its motor shaft drives the bidirectional screw to rotate. Under the cooperation of the screw thread surface and the screw rod with the built-in thread groove of the movable block, the movable block embedded in the slide groove can respectively drive the two groups of heading grinding blocks to move away from or relative to each other, thereby adapting to the cutting work of screw heads of different models and improving the application scope of this product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a top side view of the efficient screw driving mechanism in the utility model;

[0020] Figure 3 This is a distribution diagram of the bidirectional screw in the utility model;

[0021] Figure 4 It is a structural schematic diagram of the movable frame and the head grinding block in the utility model;

[0022] In the figure:

[0023] 1. High-efficiency screw heading mechanism; 11. Belt conveyor; 12. Screw buckle; 13. Support frame; 14. Linear motor; 15. Positioning frame; 16. Punch machine body; 17. Grinding assembly; 171. Propelling cylinder; 172. Push rod; 173. Press-in outer frame; 174. Connecting block; 175. Heading grinding block; 2. Stepping motor; 3. Bidirectional screw; 4. Movable block; 5. Slide; 6. Thread groove; 7. Suction fan; 8. Discharge pipe; 9. Collection frame. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figure 1 As shown:

[0026] A circulating screw driving device is disclosed in CN220372121U. The slider is connected by a positioning groove so that the slider slides up and down, and the connecting component is adjusted up and down, so that the driving device moves up and down. Universal wheels are fixedly connected to the four corners of the lower end of the box body, so that the device can be moved more conveniently when it needs to be moved and adjusted, thereby enhancing the mobility of the device. However, due to the high pressure when punching the screw, the practical effect of the up and down adjustment is general, and this device cannot grind screw heads of different models and collect waste chips, so it has low practicality. On this basis, a high-efficiency screw driving mechanism 1 is added.

[0027] like Figure 1 , Figure 2 and Figure 3 As shown:

[0028] In an optional embodiment: the efficient screw heading mechanism 1 includes a belt conveyor 11, a screw buckle 12, a support frame 13, a linear motor 14, a positioning frame 15, a punch machine body 16 and a grinding assembly 17. The belt conveyor 11 is arranged at the lower end of the punch machine body 16, the screw buckle 12 is fixedly connected to the belt end surface of the belt conveyor 11, the support frame 13 is fixedly connected to the upper end of the belt conveyor 11, the linear motor 14 is threadedly connected to the top of the support frame 13, the positioning frame 15 is threadedly connected to the outside of the guide rail end of the linear motor 14, and the grinding assembly 17 is symmetrically distributed on both sides of the bottom of the punch end of the punch machine body 16. A suction fan 7, a discharge pipe 8 and a collection frame 9 are also arranged on the outside of the support frame 13. The air inlet end of the suction fan 7 is tightly fitted with the inner wall of the support frame 13 through a pipeline, the discharge pipe 8 is clamped on the outside of the output end of the suction fan 7, and the collection frame 9 is arranged at the lower end of the pipe mouth of the discharge pipe 8.

[0029] In this embodiment: when the device is in use, the screw to be headed can be inserted into the screw buckle 12, and the screw is transported along the belt end face of the belt conveyor 11 to the lower end of the punch machine body 16, and the linear motor 14 on the top of the support frame 13 is started. The upper working surface of the guide rail of the linear motor 14 drives the positioning frame 15 and the punch machine body 16 to move smoothly, and then accurately locate the top thread hole of the screw, and cooperate with the bottom punch to complete the punching and hole forming operation of the metal screw, thereby improving the precision of the product; on the other hand, the air intake of the suction fan 7 is located on the outside of the polished workpiece, and the metal waste chips under polishing are sucked in along the discharge pipe 8 under negative pressure and discharged into the collection frame 9, thereby facilitating the collection of waste chips.

[0030] More specifically:

[0031] like Figure 1 , Figure 3 and Figure 4 As shown:

[0032] In an optional embodiment, the grinding assembly 17 includes a propulsion cylinder 171, a push rod 172, a press-in outer frame 173, a connecting block 174 and a head grinding block 175. The piston end of the propulsion cylinder 171 is fixedly connected to one end of the push rod 172, the outer side of the push rod 172 is fixedly connected to the middle of the press-in outer frame 173, the two ends of the press-in outer frame 173 are fixedly connected to the surface of the connecting block 174, the surface of the connecting block 174 is fixedly connected to the outer side of the push rod 172, the head grinding block 175 is movably connected to the outer side of the press-in outer frame 173, and the press-in outer frame 173 A stepper motor 2, a bidirectional screw 3 and a movable block 4 are installed on one side. The motor shaft of the stepper motor 2 is fixedly connected to one end of the bidirectional screw 3 through a coupling. The bidirectional screw 3 is threadedly sleeved inside the movable block 4. The outer wall surface of the movable block 4 is fixedly connected to the inner side of the heading grinding block 175. A slide groove 5 adapted to the size of the movable block 4 is also opened inside the pressed-in outer frame 173. A threaded groove 6 adapted to the size of the bidirectional screw 3 is opened through the interior of the movable block 4. Two groups of pressed-in outer frames 173 are provided, and the output end faces of the two groups of pressed-in outer frames 173 are perpendicular to each other.

[0033] In this embodiment: when grinding the head, the outer propulsion cylinder 171 is started through the control end, and its piston end pushes the push rod 172, and the push rod 172 pushes the connecting block 174 and the connected pressed-in outer frame 173 close to the screw, and the outer heading grinding block 175 contacts the surface of the screw. In this process, the outer stepper motor 2 can be electrically started, and its motor shaft drives the bidirectional screw 3 to rotate. Under the cooperation of the screw thread surface and the screw rod with the built-in thread groove 6 of the movable block 4, the movable block 4 embedded in the slide groove 5 can respectively drive the two groups of heading grinding blocks 175 to move away from or relative to each other, thereby adapting to the cutting work of screw heads of different types, thereby improving the application scope of this product.

[0034] It should be noted that: the two groups of pressed-in outer frames 173 are distributed vertically, and a single group of pressed-in outer frames 173 can be used for grinding, and cooperate with the other group of pressed-in outer frames 173 to realize the rotation of the screws, so that the screws distributed on multiple groups of screw buckles 12 can be subjected to multi-angle grinding by the head grinding block 175, and achieve the effect of cyclic grinding.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A circulating screw driving device, comprising a high-efficiency screw driving mechanism (1), characterized in that: The high-efficiency screw heading mechanism (1) comprises a belt conveyor (11), a screw buckle (12), a support frame (13), a linear motor (14), a positioning frame (15), a punch machine body (16) and a grinding assembly (17); the belt conveyor (11) is arranged at the lower end of the punch machine body (16); the screw buckle (12) is fixedly connected to the belt end surface of the belt conveyor (11); the support frame (13) is fixedly connected to the upper end of the belt conveyor (11); the linear motor (14) is threadedly connected to the top of the support frame (13); the positioning frame (15) is threadedly connected to the outer side of the guide rail end of the linear motor (14); and the grinding assembly (17) is symmetrically distributed on both sides of the bottom of the punch end of the punch machine body (16).

2. The circulating screw driving device according to claim 1 is characterized in that: The grinding assembly (17) comprises a propulsion cylinder (171), a push rod (172), a press-in outer frame (173), a connecting block (174) and a heading grinding block (175); the piston end of the propulsion cylinder (171) is fixedly connected to one end of the push rod (172); the outer side of the push rod (172) is fixedly connected to the middle part of the press-in outer frame (173); the two ends of the press-in outer frame (173) are fixedly connected to the surface of the connecting block (174); the surface of the connecting block (174) is fixedly connected to the outer side of the push rod (172); and the heading grinding block (175) is movably connected to the outer side of the press-in outer frame (173).

3. The circulating screw driving device according to claim 2 is characterized in that: A stepper motor (2), a bidirectional screw (3) and a movable block (4) are installed on one side of the pressed-in outer frame (173); the motor shaft of the stepper motor (2) is fixedly connected to one end of the bidirectional screw (3) via a coupling; the bidirectional screw (3) is threadedly sleeved inside the movable block (4); and the outer wall surface of the movable block (4) is fixedly connected to the inner side of the heading grinding block (175).

4. The circulating screw driving device according to claim 3 is characterized in that: The interior of the pressed-in outer frame (173) is also provided with a sliding groove (5) that matches the size of the movable block (4).

5. The circulating screw driving device according to claim 3 is characterized in that: A thread groove (6) matching the size of the bidirectional screw rod (3) is formed through the interior of the movable block (4).

6. The circulating screw driving device according to claim 1, characterized in that: A suction fan (7), a discharge pipe (8) and a collection frame (9) are also provided on the outside of the support frame (13); the air inlet end of the suction fan (7) is tightly fitted with the inner wall of the support frame (13) through a pipeline; the discharge pipe (8) is clamped on the outside of the output end of the suction fan (7); and the collection frame (9) is provided at the lower end of the pipe mouth of the discharge pipe (8).

7. The circulating screw driving device according to claim 3 is characterized in that: The press-in external frames (173) are provided in two groups, and the output end faces of the two groups of press-in external frames (173) are perpendicular to each other.

Images