Cold heading forming device and process for pressing rivet screw blank

Abstract

The invention provides a cold heading forming device and process for a pressing rivet screw blank, and relates to the technical field of pressing rivet screw machining. The cold heading forming device comprises a mounting support, a raw material driving part, a raw material cutting part, an intermittent conveying part and a detection control part; a raw material cutting block a is fixedly mounted on the mounting bracket; the raw material driving part is mounted on the mounting bracket; the raw material cutting part is mounted on the mounting bracket; the intermittent conveying part is mounted on the mounting bracket, the intermittent conveying part is used for conveying the cut pressing rivet screw raw materials, and the raw material cutting part is further used for driving the intermittent conveying part; the detection control piece is mounted on the mounting bracket and is used for detecting a pressing rivet screw raw material; the multifunctional rod on the right side can push the cut-off pressing rivet screw raw materials into the intermittent conveying disc, and auxiliary discharging of the cut-off pressing rivet screw raw materials is achieved; the problems that cut-off raw materials are prone to being blocked, and accurate discharging of the cut-off raw materials cannot be guaranteed are solved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of press rivet machining, more particularly relates to a cold heading forming device and process for press rivet blanks. BACKGROUND

[0002] The press rivet is a fastener specially designed for thin plate or sheet metal connection, which is fixed by stamping and extrusion, and is widely used in automobile manufacturing, electronic equipment and hardware stamping industry. In the processing of press rivet blanks, continuous bars or wires need to be accurately cut according to the preset size to provide standard blanks for subsequent cold heading forming.

[0003] The currently used press rivet blank cold heading forming device still has the following problems: 1. Usually lack of auxiliary conveying structure, which is not conducive to the clamping of the external conveying mechanism for the cut raw material, and the cut raw material is prone to jamming, which cannot guarantee the accurate discharge of the cut raw material; 2. Cannot automatically detect the use of the raw material, and cannot automatically prompt when the raw material is almost used up, which affects the timely replacement of the raw material and increases the downtime. SUMMARY

[0004] The present application relates to a cold heading forming device and process for press rivet blanks, which has a raw material driving member, a raw material cutting member, an intermittent conveying member and a detection control member. The multifunctional rod on the right side can push the cut press rivet raw material into the intermittent conveying disc, realizing the auxiliary discharge of the cut press rivet raw material. The cut press rivet raw material can move upward under the action of the spiral spring b, which is conducive to the clamping of the external conveying mechanism. The control panel controls the servo motor a and the servo motor b to stop working, and the alarm in the control panel emits a sound, which can automatically prompt the worker to replace the press rivet raw material. The problems of not conducive to the clamping of the external conveying mechanism for the cut raw material, cannot guarantee the accurate discharge of the cut raw material and cannot automatically prompt when the raw material is almost used up are solved.

[0005] The first aspect of the present application provides a cold heading forming device for press rivet blanks, which is used for cutting press rivet raw material; comprising: a mounting bracket, a raw material driving member, a raw material cutting member, an intermittent conveying member and a detection control member; the mounting bracket is fixedly installed with a raw material cutting block a; the raw material driving member is installed on the mounting bracket; the raw material cutting member is installed on the mounting bracket; the intermittent conveying member is installed on the mounting bracket, the intermittent conveying member is used for conveying the cut press rivet raw material, and the raw material cutting member is further used for driving the intermittent conveying member; the detection control member is installed on the mounting bracket, and the detection control member is used for detecting the press rivet raw material.

[0006] In at least some embodiments, the raw material driving member comprises: four circular mounting shafts a, four raw material driving wheels, and four connecting gears a; the four circular mounting shafts a are rotatably mounted on the mounting bracket through bearings; the four raw material driving wheels are fixedly installed at the inner ends of the four circular mounting shafts a, and the four raw material driving wheels are in contact with the rivet raw material; and the four connecting gears a are fixedly installed outside the four circular mounting shafts a, and the upper two connecting gears a are meshed and connected, and the lower two connecting gears a are meshed and connected.

[0007] In at least some embodiments, the raw material driving member further comprises: four synchronous wheels, two synchronous belts, and a servo motor a; the four synchronous wheels are fixedly installed outside the four circular mounting shafts a; the front synchronous belt is connected with the front two synchronous wheels, and the rear synchronous belt is connected with the rear two synchronous wheels; and the servo motor a is fixedly installed on the left side of the mounting bracket, and the output shaft of the servo motor a is fixedly connected with the upper rear circular mounting shaft a.

[0008] In at least some embodiments, the raw material cutting member comprises: a servo motor b, a raw material cutting seat, and a raw material cutting block b; the servo motor b is fixedly installed on the mounting bracket; the raw material cutting seat is fixedly installed on the output shaft of the servo motor b; and the raw material cutting block b is arranged in a circle, and the raw material cutting block b is fixedly installed on the raw material cutting seat, and the left raw material cutting block b is in contact with the raw material cutting block a.

[0009] In at least some embodiments, the raw material cutting member further comprises: a connecting gear b, an inclined guide frame, and a multifunctional rod; the connecting gear b is fixedly installed on the output shaft of the servo motor b; the inclined guide frame is arranged in a circle, and the inclined guide frame is fixedly installed on the top of the raw material cutting block b; and the multifunctional rod is arranged in a circle, and the multifunctional rod is slidingly installed on the inclined guide frame, and the bottom end of the multifunctional rod is inserted into the raw material cutting block b.

[0010] In at least some embodiments, the raw material cutting member further comprises: a limiting ring, a stress disc a, and a spiral spring a; the limiting ring is arranged in a circle, and the limiting ring is fixedly installed outside the multifunctional rod; the stress disc a is arranged in a circle, and the stress disc a is fixedly installed outside the multifunctional rod, and the bottom of the stress disc a is in contact with the raw material cutting block b; and the spiral spring a is arranged in a circle, and the spiral spring a is sleeved outside the multifunctional rod, and the spiral spring a is located between the inclined guide frame and the stress disc a.

[0011] In at least some embodiments, the intermittent conveying device comprises: an intermittent conveying disc, a circular mounting shaft b, a connecting gear c and a helical spring b; the intermittent conveying disc is rotatably mounted on the mounting bracket; the circular mounting shaft b is fixedly mounted on the intermittent conveying disc; the connecting gear c is fixedly mounted on the outside of the circular mounting shaft b, and the connecting gear c is engaged with the connecting gear b; and the helical spring b is provided in one circle, and one circle of the helical spring b is mounted on the inside of the intermittent conveying disc, and the bottom end of one circle of the helical spring b is fixedly connected with the intermittent conveying disc.

[0012] In at least some embodiments, the detection control device comprises: a rectangular receiving cover, a rectangular mounting rod and a control panel; the rectangular receiving cover is fixedly mounted on the left side of the mounting bracket; the rectangular mounting rod is slidably mounted on the mounting bracket; the control panel is slidably mounted on the inside of the rectangular receiving cover, and the control panel is further fixedly connected with the rectangular mounting rod, and the control panel is electrically connected with the servo motor a and the servo motor b.

[0013] In at least some embodiments, the detection control device further comprises: a detection roller, a force receiving disc b, a helical spring c and a control switch; the detection roller is rotatably mounted on the rectangular mounting rod, and the detection roller further contacts the rivet screw raw material; the force receiving disc b is fixedly mounted on the outside of the rectangular mounting rod; the helical spring c is sleeved on the outside of the rectangular mounting rod, and the helical spring c is located between the mounting bracket and the force receiving disc b; and the control switch is fixedly mounted on the right side of the control panel, and the control switch is electrically connected with the control panel.

[0014] In another aspect of the present disclosure, a cold upsetting forming process of a rivet screw blank is provided, comprising the following steps: 1) The mounting bracket is fixedly mounted on the cold upsetting equipment by a bolt, so that the conveying mechanism on the cold upsetting equipment can clamp the cut-off rivet screw raw material; 2) The control panel is pulled to the left, and the rivet screw raw material to be cut off is placed at the two raw material driving wheels below; 3) The servo motor a is started through the control panel, so that the rivet screw raw material to be cut off passes through the two raw material driving wheels above; 4) The control panel is loosened, and the servo motor b is started through the control panel; 5) When the control panel emits an alarm sound, the staff replaces the new rivet screw raw material.

[0015] Compared with the prior art, the present application has the following beneficial effects: 1、The raw material cutting seat drives a circle of raw material cutting blocks b to rotate when the servo motor b works, realizing the automatic cutting of the rivet raw material; when the servo motor a works, the rivet raw material pushes the left multifunctional rod to move upwards, so that the top end of the rivet raw material enters the left raw material cutting block b; when the left limiting ring contacts the left inclined guide frame, the servo motor a stops working; In addition, when the servo motor b works, the intermittent conveying disc can rotate reversely at the same time as the raw material cutting seat, so as to ensure that the left hole on the intermittent conveying disc is concentric with the right multifunctional rod; when the left hole on the intermittent conveying disc is concentric with the right multifunctional rod, the right multifunctional rod can push the cut rivet raw material into the intermittent conveying disc, realizing the auxiliary discharge of the cut rivet raw material; In addition, the setting of a circle of limiting rings limits the movement distance of a circle of multifunctional rods, so that when the left hole on the intermittent conveying disc is concentric with the right multifunctional rod, the bottom of the right multifunctional rod is flush with the bottom of the right raw material cutting block b; when the cut rivet raw material is separated from the right multifunctional rod, the cut rivet raw material can move upwards under the action of the helical spring b, which is beneficial to the clamping of the external conveying mechanism.

[0016] 2、When the rivet raw material moves upwards, the detection roller can rotate with the rivet raw material; when the rivet raw material is separated from the detection roller, the rectangular mounting rod can move to the right under the action of the helical spring c; In addition, when the rectangular mounting rod can move to the right under the action of the helical spring c, the keys on the control panel move into the rectangular storage cover; when the rectangular mounting rod can move to the right under the action of the helical spring c, the mounting bracket automatically presses the control switch, at this time, the control panel controls the servo motor a and the servo motor b to stop working, and the alarm in the control panel emits a sound, which can automatically prompt the worker to replace the rivet raw material. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings of the embodiments.

[0018] The drawings in the following description only relate to some embodiments of the present application, and are not limited to the present application.

[0019] In the drawings: Figure 1 The three-dimensional structure schematic diagram of the present application is shown; Figure 2 The structure schematic diagram of the mounting bracket and the raw material driving part of the present application is shown; Figure 3 The three-dimensional structure schematic diagram of the present application Figure 2 The local enlarged structure schematic diagram of the A area in the present application is shown; Figure 4 A schematic diagram of the raw material cutting component of the present invention is shown; Figure 5 The present invention is shown. Figure 1 A schematic diagram of the central cross-section structure; Figure 6 The present invention is shown. Figure 5 A magnified schematic diagram of a portion of region B in the middle; Figure 7 The present invention is shown. Figure 1 A schematic diagram of the bottom view structure; Figure 8 The present invention is shown. Figure 5 A magnified schematic diagram of a portion of region C in the middle; Figure 9 A schematic diagram of the detection control component of the present invention is shown; Figure 10 The present invention is shown. Figure 5 A magnified schematic diagram of the structure of region D in the middle.

[0020] List of reference numerals in the attached diagram: 100. Mounting bracket; 101. Raw material cutting block a; 200. Raw material drive component; 201. Circular mounting shaft a; 202. Raw material drive wheel; 203. Connecting gear a; 204. Synchronous pulley; 205. Synchronous belt; 206. Servo motor a; 300. Raw material cutting component; 301. Servo motor b; 302. Raw material cutting seat; 303. Raw material cutting block b; 304. Connecting gear b; 305. Inclined guide frame; 306. Multifunctional rod; 307. Limiting ring; 308. Force-bearing disc a; 309. Helical spring a; 400. Intermittent conveyor; 401. Intermittent conveyor disc; 402. Circular mounting shaft b; 403. Connecting gear c; 404. Helical spring b; 500. Detection control component; 501. Rectangular storage cover; 502. Rectangular mounting rod; 503. Control panel; 504. Detection roller; 505. Force-bearing disc b; 506. Helical spring c; 507. Control switch; 600. Raw materials for press-fit screws. Detailed Implementation

[0021] To make the objectives, solutions, and advantages of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Unless otherwise stated, the terms used herein have their ordinary meanings in the art. The same reference numerals in the drawings represent the same parts.

[0022] Example: Please refer to Figures 1 to 10 As shown: This invention provides a cold heading forming device for crimp screw blanks, used for cutting crimp screw raw material 600; it includes: a mounting bracket 100, a raw material driving component 200, a raw material cutting component 300, an intermittent conveying component 400, and a detection control component 500; a raw material cutting block a101 is fixedly mounted on the mounting bracket 100; the raw material driving component 200 is mounted on the mounting bracket 100; the raw material cutting component 300 is mounted on the mounting bracket 100; the intermittent conveying component 400 is mounted on the mounting bracket 100, and is used to convey the cut crimp screw raw material 600, and the raw material cutting component 300 is also used to drive the intermittent conveying component 400; the detection control component 500 is mounted on the mounting bracket 100, and is used to detect the crimp screw raw material 600.

[0023] In this embodiment of the disclosure, such as Figures 1 to 3 As shown, the raw material driving component 200 includes: four circular mounting shafts a201, four raw material driving wheels 202, and four connecting gears a203; four circular mounting shafts a201 are provided in total, and the four circular mounting shafts a201 are rotatably mounted on the mounting bracket 100 via bearings; four raw material driving wheels 202 are provided in total, and the four raw material driving wheels 202 are fixedly mounted on the inner ends of the four circular mounting shafts a201, and the four raw material driving wheels 202 are in contact with the rivet screw raw material 600; four connecting gears a203 are provided in total, and the four connecting gears a203 are fixedly mounted on the outside of the four circular mounting shafts a201, and the two connecting gears a203 at the top are connected to the outer ends of the shafts a201. 3. Engaging connection: The two connecting gears a203 at the bottom are engaged. The raw material drive component 200 also includes: a synchronous pulley 204, a synchronous belt 205, and a servo motor a206. There are four synchronous pulleys 204 in total, and the four synchronous pulleys 204 are fixedly installed on the outside of four circular mounting shafts a201. There are two synchronous belts 205 in total, and the front synchronous belt 205 is connected to the two front synchronous pulleys 204, and the rear synchronous belt 205 is connected to the two rear synchronous pulleys 204. The servo motor a206 is fixedly installed on the left side of the mounting bracket 100, and the output shaft of the servo motor a206 is fixedly connected to the circular mounting shaft a201 at the upper rear. The specific action is that: because the four connecting gears a203 are fixedly installed outside the four circular mounting shafts a201, and the upper two connecting gears a203 are engaged and connected, and the lower two connecting gears a203 are engaged and connected, when the servo motor a206 works, the upper two raw material driving wheels 202 rotate; and because the four synchronous wheels 204 are fixedly installed outside the four circular mounting shafts a201, and the front synchronous belt 205 is connected with the front two synchronous wheels 204, and the rear synchronous belt 205 is connected with the rear two synchronous wheels 204, when the servo motor a206 works, the four raw material driving wheels 202 rotate simultaneously, realizing the automatic movement of the rivet screw raw material 600.

[0024] In the embodiment of the present disclosure, as shown in Figure 4 , Figures 6 to 8 The raw material cutting member 300 includes a servo motor b301, a raw material cutting seat 302, and a raw material cutting block b303; the servo motor b301 is fixedly installed on the mounting bracket 100; the raw material cutting seat 302 is fixedly installed on the output shaft of the servo motor b301; the raw material cutting block b303 is provided in a circle, and the circle of raw material cutting blocks b303 is fixedly installed on the raw material cutting seat 302, and the left raw material cutting block b303 is in contact with the raw material cutting block a101; the raw material cutting member 300 further includes a connecting gear b304, an inclined guide frame 305, and a multifunctional rod 306; the connecting gear b304 is fixedly installed on the output shaft of the servo motor b301; the inclined guide frame 305 is provided in a circle, and the circle of inclined guide frames 305 is fixedly installed on the top of the circle of raw material cutting blocks b303; the multifunctional rod 306 is provided in a circle, and the circle of multifunctional rods 306 is slidingly installed on the circle of inclined guide frames 305, and the bottom end of the circle of multifunctional rods 306 is inserted into the circle of raw material cutting blocks b303; the raw material cutting member 300 further includes a limiting ring 307, a stress disc a308, and a spiral spring a309; the limiting ring 307 is provided in a circle, and the circle of limiting rings 307 is fixedly installed outside the circle of multifunctional rods 306; the stress disc a308 is provided in a circle, and the circle of stress discs a308 is fixedly installed outside the circle of multifunctional rods 306, and the bottom of the circle of stress discs a308 is in contact with the circle of raw material cutting blocks b303; the spiral spring a309 is provided in a circle, and the circle of spiral springs a309 is sleeved outside the circle of multifunctional rods 306, and the circle of spiral springs a309 is located between the circle of inclined guide frames 305 and the circle of stress discs a308; The intermittent conveying part 400 comprises an intermittent conveying disc 401, a circular mounting shaft b 402, a connecting gear c 403 and a spiral spring b 404; the intermittent conveying disc 401 is rotationally mounted on the mounting support 100; the circular mounting shaft b 402 is fixedly mounted on the intermittent conveying disc 401; the connecting gear c 403 is fixedly mounted outside the circular mounting shaft b 402, and the connecting gear c 403 is engagedly connected with the connecting gear b 304; one circle of spiral springs b 404 is provided, and the one circle of spiral springs b 404 is mounted inside the intermittent conveying disc 401, and the bottom end of the one circle of spiral springs b 404 is fixedly connected with the intermittent conveying disc 401; The specific action is that: since the raw material cutting block a 101 is fixedly mounted on the mounting support 100, and one circle of raw material cutting blocks b 303 is fixedly mounted on the raw material cutting seat 302, and the left raw material cutting block b 303 is in contact with the raw material cutting block a 101, when the servo motor b 301 works, the raw material cutting seat 302 drives the one circle of raw material cutting blocks b 303 to rotate, thereby realizing automatic cutting of the press-in screw raw material 600; and since the one circle of multifunctional rods 306 is slidingly mounted on the one circle of inclined guide frames 305, and the one circle of limiting rings 307 is fixedly mounted outside the one circle of multifunctional rods 306, when the servo motor a 206 works, the press-in screw raw material 600 pushes the left multifunctional rod 306 to move upward, so that the top end of the press-in screw raw material 600 enters the left raw material cutting block b 303; when the left limiting ring 307 is in contact with the left inclined guide frame 305, the servo motor a 206 stops working; In addition, since the circular mounting shaft b 402 is fixedly mounted on the intermittent conveying disc 401, and the connecting gear c 403 is fixedly mounted outside the circular mounting shaft b 402, and the connecting gear c 403 is engagedly connected with the connecting gear b 304, when the servo motor b 301 works, the intermittent conveying disc 401 can reversely rotate at the same time as the raw material cutting seat 302, thereby ensuring that the left hole on the intermittent conveying disc 401 is concentric with the right multifunctional rod 306; and since the one circle of spiral springs a 309 is sleeved outside the one circle of multifunctional rods 306, and the one circle of spiral springs a 309 is located between the one circle of inclined guide frames 305 and the one circle of stress discs a 308, when the left hole on the intermittent conveying disc 401 is concentric with the right multifunctional rod 306, the right multifunctional rod 306 can push the cut press-in screw raw material 600 into the intermittent conveying disc 401, thereby realizing auxiliary discharge of the cut press-in screw raw material 600; In addition, because the limiting ring 307 is fixedly installed outside the multifunctional rod 306, the movement distance of the multifunctional rod 306 is limited, so that when the hole on the left side of the intermittent conveying disc 401 is concentric with the multifunctional rod 306 on the right side, the bottom of the multifunctional rod 306 on the right side is flush with the bottom of the right raw material cutting block b303; because the spiral spring b404 is installed inside the intermittent conveying disc 401, and the bottom end of the spiral spring b404 is fixedly connected with the intermittent conveying disc 401, when the cut-off rivet screw raw material 600 is separated from the multifunctional rod 306 on the right side, the cut-off rivet screw raw material 600 can move upward under the action of the spiral spring b404, which is beneficial to the external conveying mechanism.

[0025] In the embodiments of the present disclosure, as shown in Figure 9 and Figure 10 The detection control member 500 includes a rectangular receiving cover 501, a rectangular mounting rod 502, and a control panel 503; the rectangular receiving cover 501 is fixedly installed on the left side of the mounting bracket 100; the rectangular mounting rod 502 is slidingly installed on the mounting bracket 100; the control panel 503 is slidingly installed inside the rectangular receiving cover 501, and the control panel 503 is also fixedly connected with the rectangular mounting rod 502, and the control panel 503 is electrically connected with the servo motor a206 and the servo motor b301; the detection control member 500 further includes a detection roller 504, a force receiving disc b505, a spiral spring c506, and a control switch 507; the detection roller 504 is rotatably installed on the rectangular mounting rod 502, and the detection roller 504 also contacts the rivet screw raw material 600; the force receiving disc b505 is fixedly installed outside the rectangular mounting rod 502; the spiral spring c506 is sleeved outside the rectangular mounting rod 502, and the spiral spring c506 is located between the mounting bracket 100 and the force receiving disc b505; the control switch 507 is fixedly installed on the right side of the control panel 503, and the control switch 507 is electrically connected with the control panel 503; The specific action is that because the detection roller 504 is rotatably installed on the rectangular mounting rod 502, and the detection roller 504 also contacts the rivet screw raw material 600, when the rivet screw raw material 600 moves upward, the detection roller 504 can rotate with the rivet screw raw material 600; because the force receiving disc b505 is fixedly installed outside the rectangular mounting rod 502, and the spiral spring c506 is sleeved outside the rectangular mounting rod 502, and the spiral spring c506 is located between the mounting bracket 100 and the force receiving disc b505, when the rivet screw raw material 600 is separated from the detection roller 504, the rectangular mounting rod 502 can move rightward under the action of the spiral spring c506; In addition, since the rectangular receiving cover 501 is fixedly installed on the left side of the mounting bracket 100, and the control panel 503 is slidingly installed in the interior of the rectangular receiving cover 501, when the rectangular mounting rod 502 can move right under the action of the helical spring c 506, the keys on the control panel 503 move into the rectangular receiving cover 501; and since the control switch 507 is fixedly installed on the right side of the control panel 503, and the control switch 507 is electrically connected with the control panel 503, when the rectangular mounting rod 502 can move right under the action of the helical spring c 506, the mounting bracket 100 automatically presses the control switch 507, at this time, the control panel 503 controls the servo motor a 206 and the servo motor b 301 to stop working, and the alarm in the interior of the control panel 503 emits a sound, which can automatically prompt the workers to replace the press-in screw raw material 600.

[0026] The application provides a cold upsetting forming process of a press-in screw blank, and comprises the following steps: 1. The mounting bracket 100 is fixedly installed on the cold upsetting equipment through a bolt, so that the conveying mechanism on the cold upsetting equipment can clamp the cut press-in screw raw material 600; 2. The control panel 503 is pulled to the left, and then the press-in screw raw material 600 to be cut is placed at the two raw material driving wheels 202 below; 3. The servo motor a 206 is started through the control panel 503, so that the press-in screw raw material 600 to be cut passes through the two raw material driving wheels 202 above; 4. The control panel 503 is loosened, and then the servo motor b 301 is started through the control panel 503; 5. When the control panel 503 emits an alarm sound, the workers replace the new press-in screw raw material 600.

[0027] The specific use mode and role of the embodiment are as follows: When the present application is used, first, the mounting bracket 100 is fixedly installed on the cold heading equipment through bolts, so that the conveying mechanism on the cold heading equipment can clamp the cut-off press-in screw raw material 600; the control panel 503 is pulled to the left, and then the press-in screw raw material 600 to be cut off is placed at the two raw material driving wheels 202 below; the servo motor a 206 is started through the control panel 503, when the servo motor a 206 works, the four raw material driving wheels 202 rotate at the same time, realizing the automatic movement of the press-in screw raw material 600, so that the press-in screw raw material 600 to be cut off passes through the two raw material driving wheels 202 above; the control panel 503 is loosened, and then the servo motor b 301 is started through the control panel 503; when the servo motor b 301 works intermittently, the raw material cutting seat 302 drives a circle of raw material cutting blocks b 303 to rotate, realizing the automatic cutting of the press-in screw raw material 600; when the servo motor a 206 works intermittently, the press-in screw raw material 600 pushes the multifunctional rod 306 on the left to move upwards, so that the top end of the press-in screw raw material 600 enters the raw material cutting block b 303 on the left; when the limiting ring 307 on the left contacts the inclined guide frame 305 on the left, the servo motor a 206 stops working; when the servo motor b 301 works, the intermittent conveying disc 401 can rotate reversely at the same time with the raw material cutting seat 302, so as to ensure that the hole on the left of the intermittent conveying disc 401 is concentric with the multifunctional rod 306 on the right; when the hole on the left of the intermittent conveying disc 401 is concentric with the multifunctional rod 306 on the right, the multifunctional rod 306 on the right can push the cut-off press-in screw raw material 600 into the intermittent conveying disc 401, realizing the auxiliary discharge of the cut-off press-in screw raw material 600; when the cut-off press-in screw raw material 600 is separated from the multifunctional rod 306 on the right, the cut-off press-in screw raw material 600 can move upwards under the action of the spiral spring b 404, which is beneficial to clamping by the external conveying mechanism; when the press-in screw raw material 600 is separated from the detection roller 504, the rectangular mounting rod 502 can move to the right under the action of the spiral spring c 506; when the rectangular mounting rod 502 can move to the right under the action of the spiral spring c 506, the keys on the control panel 503 move into the rectangular storage cover 501; when the rectangular mounting rod 502 can move to the right under the action of the spiral spring c 506, the mounting bracket 100 automatically presses the control switch 507, at this time, the control panel 503 controls the servo motor a 206 and the servo motor b 301 to stop working, and the alarm in the control panel 503 emits a sound, when the alarm in the control panel 503 emits a sound, the worker replaces the new press-in screw raw material 600.

[0028] In this paper, the following points need attention: 1. The drawings of the present disclosure embodiment only relate to the structures involved in the present disclosure embodiment, and other structures can refer to the general design.

[0029] 2. Embodiments of the present disclosure and features in embodiments can be combined with each other to obtain new embodiments in the case of no conflict.

[0030] The above merely describes specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A cold heading forming apparatus for press-fit screw blanks, used for cutting press-fit screw raw materials (600); comprising: The system comprises a mounting bracket (100), a raw material drive unit (200), a raw material cutter (300), an intermittent conveyor (400), and a detection control unit (500); characterized in that a raw material cutter block a (101) is fixedly mounted on the mounting bracket (100); the raw material drive unit (200) is mounted on the mounting bracket (100); the raw material cutter (300) is mounted on the mounting bracket (100); the intermittent conveyor (400) is mounted on the mounting bracket (100), the intermittent conveyor (400) is used to convey the cut-off rivet screw raw material (600), and the raw material cutter (300) is also used to drive the intermittent conveyor (400); the detection control unit (500) is mounted on the mounting bracket (100), and the detection control unit (500) is used to detect the rivet screw raw material (600). The raw material cutting component (300) includes a connecting gear b (304); the intermittent conveying component (400) includes an intermittent conveying disc (401), a circular mounting shaft b (402), a connecting gear c (403), and a helical spring b (404); the intermittent conveying disc (401) is rotatably mounted on the mounting bracket (100); the circular mounting shaft b (402) is fixedly mounted on the intermittent conveying disc (401); the connecting gear c (403) is fixedly mounted on the outside of the circular mounting shaft b (402), and the connecting gear c (403) meshes with the connecting gear b (304); the helical spring b (404) has one coil, and one coil of the helical spring b (404) is installed inside the intermittent conveying disc (401), and the bottom end of the one coil of the helical spring b (404) is fixedly connected to the intermittent conveying disc (401); The detection control component (500) includes: a rectangular mounting rod (502), a detection roller (504), a force-bearing disc b (505), a helical spring c (506), and a control switch (507); the detection roller (504) is rotatably mounted on the rectangular mounting rod (502), and the detection roller (504) is also in contact with the rivet screw material (600); the force-bearing disc b (505) is fixedly mounted on the outside of the rectangular mounting rod (502); the helical spring c (506) is sleeved on the outside of the rectangular mounting rod (502), and the helical spring c (506) is located between the mounting bracket (100) and the force-bearing disc b (505); the control switch (507) is fixedly mounted on the right side of the control panel (503), and the control switch (507) is electrically connected to the control panel (503).

2. The cold heading forming device for a press-fit screw blank according to claim 1, characterized in that, The raw material driving component (200) includes: a circular mounting shaft a (201), a raw material driving wheel (202), and a connecting gear a (203); there are four circular mounting shafts a (201), and the four circular mounting shafts a (201) are rotatably mounted on the mounting bracket (100) through bearings; there are four raw material driving wheels (202), and the four raw material driving wheels (202) are fixedly mounted on the inner ends of the four circular mounting shafts a (201), and the four raw material driving wheels (202) are in contact with the rivet screw raw material (600); there are four connecting gears a (203), and the four connecting gears a (203) are fixedly mounted on the outside of the four circular mounting shafts a (201), and the two upper connecting gears a (203) are meshed and connected, and the two lower connecting gears a (203) are meshed and connected.

3. The cold heading forming device for a rivet screw blank according to claim 2, characterized in that, The raw material driving component (200) further includes: a synchronous pulley (204), a synchronous belt (205), and a servo motor a (206); there are four synchronous pulleys (204), and the four synchronous pulleys (204) are fixedly installed on the outside of four circular mounting shafts a (201); there are two synchronous belts (205), and the front synchronous belt (205) is connected to the two front synchronous pulleys (204), and the rear synchronous belt (205) is connected to the two rear synchronous pulleys (204); the servo motor a (206) is fixedly installed on the left side of the mounting bracket (100), and the output shaft of the servo motor a (206) is fixedly connected to the circular mounting shaft a (201) at the rear and upper.

4. The cold heading forming device for a rivet screw blank according to claim 3, characterized in that, The raw material cutting component (300) further includes: a servo motor b (301), a raw material cutting seat (302), and a raw material cutting block b (303); the servo motor b (301) is fixedly mounted on the mounting bracket (100); the raw material cutting seat (302) is fixedly mounted on the output shaft of the servo motor b (301); the raw material cutting block b (303) has a ring, and the ring of raw material cutting blocks b (303) is fixedly mounted on the raw material cutting seat (302), and the raw material cutting block b (303) on the left side is in contact with the raw material cutting block a (101).

5. The cold heading forming device for a press-fit screw blank according to claim 4, characterized in that, The raw material cutting component (300) further includes: a tilting guide frame (305) and a multi-functional rod (306); the connecting gear b (304) is fixedly mounted on the output shaft of the servo motor b (301); the tilting guide frame (305) has a total of one ring, and the ring of tilting guide frame (305) is fixedly mounted on the top of the ring of raw material cutting block b (303); the multi-functional rod (306) has a total of one ring, and the ring of multi-functional rod (306) is slidably mounted on the ring of tilting guide frame (305), and the bottom end of the ring of multi-functional rod (306) is inserted into the ring of raw material cutting block b (303).

6. The cold heading forming device for a press-fit screw blank according to claim 5, characterized in that, The raw material cutting component (300) further includes: a limiting ring (307), a force-receiving disc a (308), and a helical spring a (309); the limiting ring (307) has one ring, and the ring is fixedly installed outside the ring of multi-functional rod (306); the force-receiving disc a (308) has one ring, and the ring is fixedly installed outside the ring of multi-functional rod (306), and the bottom of the ring of force-receiving disc a (308) is in contact with the raw material cutting block b (303); the helical spring a (309) has one ring, and the ring is sleeved outside the ring of multi-functional rod (306), and the ring is located between the inclined guide frame (305) and the ring of force-receiving disc a (308).

7. The cold heading forming device for a press-fit screw blank according to claim 4, characterized in that, The detection control component (500) further includes: a rectangular storage cover (501) and a control panel (503); the rectangular storage cover (501) is fixedly installed on the left side of the mounting bracket (100); the rectangular mounting rod (502) is slidably installed on the mounting bracket (100); the control panel (503) is slidably installed inside the rectangular storage cover (501), and the control panel (503) is also fixedly connected to the rectangular mounting rod (502), and the control panel (503) is electrically connected to the servo motor a (206) and the servo motor b (301).

8. A cold heading forming process for a press-fit screw blank, using the cold heading forming apparatus for a press-fit screw blank as described in claim 7, characterized in that, The steps are as follows: 1) The mounting bracket (100) is fixedly installed on the cold heading equipment by bolts, so that the conveying mechanism on the cold heading equipment can clamp the cut-off rivet screw raw material (600). 2) Pull the control panel (503) to the left, and then place the raw material (600) of the rivet screw to be cut at the two raw material drive wheels (202) below; 3) Start the servo motor a (206) via the control panel (503) so that the raw material (600) of the rivet screw to be cut passes through the two raw material drive wheels (202) above. 4) Release the control panel (503), and then start the servo motor b (301) through the control panel (503); 5) When an alarm sounds from inside the control panel (503), the staff replaces the new rivet screw material (600).

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