A round needle high-speed insertion mechanism

Abstract

The present invention provides a round needle high-speed pin insertion mechanism, comprising a driving module, a cutting module and a pin insertion module; the driving module drives the cutting module to peel off the material strip and the terminal, and the driving module drives the pin insertion module to insert the terminal.

Description

Technical Field

[0001] The invention belongs to the field of automation technology, and in particular relates to a round needle high-speed insertion mechanism. Background Art

[0002] With the development of industrialization, the demand for electronic products continues to increase. It is necessary to continuously develop equipment and improve production capacity to meet the demand. Electronic products are generally composed of components such as plastics and terminals. Therefore, in the production process of products, it is often necessary to carry out processes such as plugging in terminals. In the past, terminals were square or rectangular (from a cross-section). With the development of product needs, the terminals of some products have changed. At present, the automated pin insertion mechanisms in the industry generally include cylinder pins and cam pins. Cylinder pins are easy to adjust, but they are noisy and slow. The existing cam pins generally have a speed of about 300 to 400, so there is still room for improvement in this process. Therefore, how to quickly separate the terminals from the strip and quickly produce the pins to improve production efficiency has become a technical problem that needs to be solved urgently by technicians in this field. Summary of the invention

[0003] In order to solve the problem of low production efficiency in the prior art, the present invention provides a round needle high-speed insertion mechanism to improve production efficiency.

[0004] In order to solve the above technical problems, the present invention provides a round needle high-speed pin insertion mechanism, comprising a driving module, a cutting module and a pin insertion module; the driving module drives the cutting module to peel off the material strip used for the transmission terminal from the terminal, and the driving module drives the pin insertion module to insert the terminal;

[0005] The cutting module comprises a slider, an upper knife sleeve, a pin protection sleeve, a second spring stopper, an upper cutting knife and a third cover plate; the slider is slidably connected to the back side of the upper knife sleeve, and the pin protection sleeve and the upper cutting knife are arranged at the lower end of the front side of the upper knife sleeve; the third cover plate is fixed to the upper surface of the upper knife sleeve to limit the moving space of the upper knife sleeve in the vertical direction; one end of the second spring stopper is fixed to the lower end of the front side of the upper knife sleeve, and the other end thereof extends in the setting direction of the pin protection sleeve and the upper cutting knife to limit the moving space of the pin protection sleeve and the upper cutting knife in the vertical direction;

[0006] The driving module drives the upper knife sleeve to move up and down along the slider to cut the upper knife top blanking belt;

[0007] The pin module includes a linear rail, a mounting plate, a push knife, a connecting block and a second follower cam; the back of the mounting plate is mounted on the linear rail and can move along the linear rail, the push knife is fixed at the forward direction end of the mounting plate, the second follower cam is mounted on the back of the mounting plate through the connecting block, and the second follower cam is driven by the driving module to drive the mounting plate to move along the linear rail so that the push knife can perform an insertion action;

[0008] The pin insertion module is arranged on one side of the cutting module, and when the push knife of the pin insertion module moves forward, the push knife is inserted under the upper knife sleeve of the cutting module to push the terminal separated from the material strip for pin insertion.

[0009] Further, the driving module includes a fixed plate, a first shaft mounting plate fixed on the fixed plate, a coupling, a motor, a connecting rod, a first follower cam, a main shaft, a rotating shaft, a first cam and a second cam;

[0010] The motor is fixed on the fixed plate through a motor plate, the main shaft is connected to the motor through a coupling, and the first cam and the second cam are both arranged on the main shaft and rotate with the main shaft;

[0011] A first follower cam is fixed at both ends of the connecting rod, the connecting rod is connected to the first shaft mounting plate through a rotating shaft, and the connecting rod is rotatably connected to the rotating shaft so that the connecting rod is in a seesaw shape; the first follower cam at one end of the connecting rod rotates in coordination with the second cam, and the first follower cam at the other end of the connecting rod is linked with the upper knife sleeve to drive the upper knife sleeve to move up and down;

[0012] A moving track is arranged on the first cam, and the second follower cam is linked with the first cam so that the second follower cam moves along the moving track.

[0013] Furthermore, the other end of the connecting rod together with the connected first follower cam extends out of the outer surface of the first shaft mounting plate and is linked to the upper knife sleeve of the cutting module; the first follower cam is arranged on the inner side of the upper knife sleeve to drive the upper knife sleeve to move up and down.

[0014] Furthermore, a cavity for accommodating a pin protection sleeve and an upper cutting knife is provided at the bottom of the front side of the upper knife sleeve. The pin protection sleeve can move up and down along its corresponding cavity, and the upper cutting knife is fixed in its corresponding cavity.

[0015] Furthermore, the cutting module also includes a first spring stopper and a spring, wherein the first spring stopper is fixed on the outer surface of the first shaft mounting plate and is located above the connecting rod, one end of the spring is fixed on the inner upper end of the upper knife sleeve, and the other end contacts the upper surface of the first spring stopper.

[0016] Furthermore, a cushion block is provided between the push knife and the mounting plate, and the insertion depth of the push knife can be changed by adjusting the thickness of the cushion block.

[0017] Furthermore, the driving module further comprises a first vertical plate, which is fixed on the fixed plate and arranged on one side of the first shaft mounting plate; a movable groove is arranged on the first vertical plate;

[0018] The linear rail is installed on the first vertical plate, and the second follower cam passes through the moving groove of the first vertical plate and rotates in cooperation with the first cam.

[0019] Furthermore, the pin module also includes a sensor mounting block and a proximity sensor for determining whether the mounting plate is working properly, and the proximity sensor is fixedly mounted on the first vertical plate through the sensor mounting block.

[0020] Furthermore, the pin module also includes a cylinder and a cylinder joint, and the cylinder is fixedly connected to the mounting plate through the cylinder joint so that the mounting plate is close to the linear rail.

[0021] Furthermore, the driving module also includes a photoelectric switch and a shading sheet, wherein the shading sheet is provided with a notch for determining an initial position, and the shading sheet is installed on the main shaft and moves in a circular motion with the main shaft; the photoelectric switch is fixedly arranged on one side of the shading sheet.

[0022] Beneficial effect: The present invention drives the cutting knife to separate the terminal from the material strip through the coordination of components, and inserts the terminal after separation from the material strip through the push knife. The mechanism of the present invention can realize fast and efficient insertion of round pins. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the material strip and terminals;

[0024] Figure 2 This is a schematic diagram of the drive module;

[0025] Figure 3 Side view of the drive module

[0026] Figure 4 is a three-dimensional diagram of the drive module;

[0027] Figure 5 is a three-dimensional diagram of the drive module;

[0028] Figure 6 is a three-dimensional diagram of the cutting module;

[0029] Figure 7 It is a schematic diagram of the structure of the cutting module and the driving module;

[0030] Figure 8 It is a three-dimensional diagram of the pin module;

[0031] Fig. 9 It is a three-dimensional diagram of the pin module;

[0032] Fig.10 It is a schematic diagram of the structure of the driving module, cutting module and pin module. DETAILED DESCRIPTION

[0033] The present invention is further described below with reference to the accompanying drawings and embodiments.

[0034] like Figure 1 As mentioned above, the terminal needs to be loaded together with the material strip during the loading process, but when the terminal is inserted, the material strip and the terminal need to be separated before the pin can be inserted. For this reason, this embodiment proposes a round needle high-speed pin insertion mechanism, including a driving module, a cutting module and a pin insertion module; the driving module drives the cutting module to separate the material strip from the terminal, and the driving module drives the pin insertion module to insert the terminal.

[0035] like Figures 2 to 5 As shown, the driving module of this embodiment includes a fixed plate 101, a first shaft mounting plate 104 fixed on the fixed plate 101, a coupling 108, a motor 109, a connecting rod 111, a first follower cam 112, a main shaft 117, a rotating shaft 120, a first cam 123, a second cam 124 and a first vertical plate 102;

[0036] The motor 109 is fixed on the fixed plate 101 through the motor plate 106, the main shaft 117 is connected to the motor 109 through the coupling 108, the first cam 123 and the second cam 124 are both arranged on the main shaft 117 and make circular motion with the main shaft 117; the first follower cam 112 is fixed on both ends of the connecting rod 111, the connecting rod 111 is connected to the first shaft mounting plate 104 through the rotating shaft 120, and the connecting rod 111 is rotatably connected with the rotating shaft 120 so that the connecting rod 111 is in a seesaw shape; the connecting rod 111 is located at one end of the connecting rod 111. The first follower cam 112 rotates in coordination with the second cam 124, and the first follower cam 112 located at the other end of the connecting rod 111 is linked with the cutting module (specifically, the upper knife sleeve 202 in the cutting module) to drive the cutting module (upper knife sleeve 202) to move up and down; a moving track is provided on the first cam 123, and the pin module (specifically, the second follower cam 309 in the pin module) is linked with the first cam 123 to make the pin module (second follower cam 309) move along the moving track (mainly to perform forward and backward movements).

[0037] The other end of the connecting rod 111 together with the connected first follower cam 112 extend out of the outer surface of the first shaft mounting plate 104 , and a return spring may be provided on one end of the connecting rod 111 .

[0038] The first vertical plate 102 of this embodiment is fixed on the fixed plate 101 and arranged on one side of the first shaft mounting plate 104; a movable groove is provided on the first vertical plate 102 so that the pin module (specifically the second follower cam 309 in the pin module) can be linked with the first cam 123.

[0039] The driving module of this embodiment also includes a photoelectric switch 110 and a shading sheet 118. The shading sheet 118 is provided with a notch for determining the initial position. The shading sheet is installed on the main shaft 117 and moves in a circular motion with the main shaft 117. The photoelectric switch 110 is fixedly set on one side of the shading sheet 118, and can be specifically fixed on the first vertical plate 102.

[0040] like Figure 6 As shown, the cutting module of this embodiment includes a slider 201, an upper knife sleeve 202, a pin protection sleeve 203, a second spring stopper 204, a cutting upper knife 207, a third cover plate 208, a first spring stopper and a spring; the slider 201 is slidably connected to the back of the upper knife sleeve 202, the pin protection sleeve 203 and the cutting upper knife 207 are arranged at the lower end of the front of the upper knife sleeve 202; the third cover plate 208 is fixed to the upper surface of the upper knife sleeve 202 to limit the moving space of the upper knife sleeve 202 in the vertical direction; one end of the second spring stopper 204 is fixed to the upper The lower front end of the knife sleeve 202, and its other end extend in the direction of the setting of the pin protection sleeve 203 and the cutting upper knife 207, so as to limit the moving space of the pin protection sleeve 203 and the cutting upper knife 207 in the vertical direction; specifically, a cavity for the pin protection sleeve 203 and the cutting upper knife 207 is provided at the bottom of the front of the upper knife sleeve 202, and the pin protection sleeve 203 can move up and down along its corresponding cavity to fix the terminal, and the cutting upper knife 207 is fixed in its corresponding cavity, and it moves up and down with the upper knife sleeve 202 to make the material strip separate from the terminal. The first spring stopper is fixed on the outer surface of the first shaft mounting plate 104 and is located above the connecting rod 111, one end of the spring is fixed on the inner upper end of the upper knife sleeve 202, and the other end contacts the upper surface of the first spring stopper, and the first follower cam 112 is arranged on the inner side of the upper knife sleeve 202, specifically below the first spring stopper, to drive the upper knife sleeve 202 to move up and down.

[0041] like Figure 7 As shown, the driving module drives the upper knife sleeve 202 to move up and down along the slider 201 so that the upper cutting knife 207 pushes the blanking belt.

[0042] like Figure 8 and Fig. 9As shown, the pin module of this embodiment includes a linear rail 301, a mounting plate 302, a push knife 303, a connecting block 308 and a second follower cam 309; the linear rails 301 are fixed in pairs on the first vertical plate 102 and are located on the upper and lower sides of the movable groove on the first vertical plate 102, the back side of the mounting plate 302 is mounted on the linear rail 301 and can move along the direction of the linear rail 301, the push knife 303 is fixed at the forward direction end of the mounting plate 302, and the second follower cam 309 is installed on the back side of the mounting plate 302 through the connecting block 308, and the second follower cam 309 drives the mounting plate 302 to move along the direction of the linear rail 301 along the moving trajectory of the first cam 123 of the driving module to enable the push knife 303 to perform an insertion action. Specifically, the second follower cam 309 passes through the movable groove of the first vertical plate 102 and rotates in coordination with the first cam 123. In this embodiment, a cushion block 304 is provided between the push knife 303 and the mounting plate 302 , and the insertion depth of the push knife 303 can be changed by adjusting the thickness of the cushion block 304 .

[0043] The pin module of this embodiment also includes a sensor mounting block 306 and a proximity sensor 307 for determining whether the mounting plate 302 is working normally. The proximity sensor 307 is fixedly mounted on the first vertical plate 102 through the sensor mounting block 306; and a protrusion is provided on the upper surface of the mounting plate 302. The proximity sensor 307 determines whether the mounting plate 302 is in a normal forward state, that is, a normal pin insertion state, by sensing the protrusion.

[0044] To ensure that the mounting plate 302 is in close contact with the linear rail 301 and the second follower cam 309 can always move along the moving trajectory of the first cam 123, the pin module also includes a cylinder 311 and a cylinder joint 312. The cylinder 311 is fixedly connected to the mounting plate 302 through the cylinder joint 312 and makes the mounting plate 302 close to the linear rail 301, thereby ensuring that the second follower cam 309 can always move along the moving trajectory of the first cam 123 to complete the pin insertion.

[0045] like Fig.10 As shown, the pin module is arranged on one side of the cutting module, and when the push knife 303 of the pin module moves forward, the push knife 303 is inserted under the upper knife sleeve 202 of the cutting module to push the terminal separated from the material strip for pin insertion.

[0046] When the feeding module reaches the feeding position, the motor 109 starts, and drives the first cam 123 and the second cam 124 to rotate through the coupling 108 and the main shaft 117, the follower cam 112 drives the cutting module to separate the terminal from the material strip, and the follower cam 309 drives the pin module to insert the pin.

Claims

1. A round needle high-speed insertion mechanism, characterized in that: Including driving module, cutting module and pin module; The driving module drives the cutting module to peel off the material strip for the transmission terminal from the terminal, and the driving module drives the pin insertion module to insert the pin into the terminal; The cutting module comprises a slider (201), an upper knife sleeve (202), a pin protection sleeve (203), a second spring stopper (204), an upper cutting knife (207) and a third cover plate (208); the slider (201) is slidably connected to the back side of the upper knife sleeve (202), and the pin protection sleeve (203) and the upper cutting knife (207) are arranged at the lower end of the front side of the upper knife sleeve (202); the third cover plate (208) is fixed to the upper surface of the upper knife sleeve (202) to limit the moving space of the upper knife sleeve (202) in the vertical direction; one end of the second spring stopper (204) is fixed to the lower end of the front side of the upper knife sleeve (202), and the other end thereof extends in the setting direction of the pin protection sleeve (203) and the upper cutting knife (207) to limit the moving space of the pin protection sleeve (203) and the upper cutting knife (207) in the vertical direction; The driving module drives the upper knife sleeve (202) to move up and down along the slider (201) so that the upper cutting knife (207) pushes the blanking belt; The pin insertion module comprises a linear rail (301), a mounting plate (302), a push knife (303), a connecting block (308) and a second follower cam (309); the back of the mounting plate (302) is mounted on the linear rail (301) and can move along the linear rail (301); the push knife (303) is fixed to the forward direction end of the mounting plate (302); the second follower cam (309) is mounted on the back of the mounting plate (302) through the connecting block (308); the second follower cam (309) is driven by the driving module to drive the mounting plate (302) to move along the linear rail (301) so that the push knife (303) performs an insertion action; The pin insertion module is arranged on one side of the cutting module, and when the push knife (303) of the pin insertion module moves forward, the push knife (303) is inserted under the upper knife sleeve (202) of the cutting module to push the terminal separated from the material strip for pin insertion; The driving module comprises a fixing plate (101), a first shaft mounting plate (104) fixed on the fixing plate (101), a coupling (108), a motor (109), a connecting rod (111), a first follower cam (112), a main shaft (117), a rotating shaft (120), a first cam (123) and a second cam (124); The motor (109) is fixed on the fixed plate (101) via a motor plate (106); the main shaft (117) is connected to the motor (109) via a coupling (108); the first cam (123) and the second cam (124) are both arranged on the main shaft (117) and rotate with the main shaft (117); A first follower cam (112) is fixed at both ends of the connecting rod (111), the connecting rod (111) is connected to the first shaft mounting plate (104) via a rotating shaft (120), and the connecting rod (111) is rotatably connected to the rotating shaft (120) so that the connecting rod (111) is in a seesaw shape; the first follower cam (112) at one end of the connecting rod (111) rotates in coordination with the second cam (124), and the first follower cam (112) at the other end of the connecting rod (111) is linked to the upper knife sleeve (202) to drive the upper knife sleeve (202) to move up and down; A moving track is provided on the first cam (123), and the second follower cam (309) is linked with the first cam (123) so that the second follower cam (309) moves along the moving track; The driving module also includes a photoelectric switch (110) and a light shielding sheet (118). The light shielding sheet (118) is provided with a notch for determining an initial position. The light shielding sheet is installed on the main shaft (117) and moves in a circular motion with the main shaft (117). The photoelectric switch (110) is fixedly arranged on one side of the light shielding sheet (118).

2. A round needle high-speed insertion mechanism according to claim 1, characterized in that: The other end of the connecting rod (111) together with the connected first follower cam (112) extend out of the outer surface of the first shaft mounting plate (104) and are linked to the upper knife sleeve (202) of the cutting module; the first follower cam (112) is arranged on the inner side of the upper knife sleeve (202) to drive the upper knife sleeve (202) to move up and down.

3. A round needle high-speed insertion mechanism according to claim 2, characterized in that: A cavity for accommodating a pin protection sleeve (203) and a cutting upper knife (207) is provided at the bottom of the front side of the upper knife sleeve (202); the pin protection sleeve (203) can move up and down along its corresponding cavity; and the cutting upper knife (207) is fixed in its corresponding cavity.

4. A round needle high-speed insertion mechanism according to claim 2, characterized in that: The cutting module also includes a first spring stopper and a spring, wherein the first spring stopper is fixed on the outer surface of the first shaft mounting plate (104) and is located above the connecting rod (111), one end of the spring is fixed to the inner upper end of the upper knife sleeve (202), and the other end is in contact with the upper surface of the first spring stopper.

5. A round needle high-speed insertion mechanism according to claim 1, characterized in that: A cushion block (304) is provided between the push knife (303) and the mounting plate (302), and the insertion depth of the push knife (303) can be changed by adjusting the thickness of the cushion block (304).

6. A round needle high-speed insertion mechanism according to claim 1, characterized in that: The driving module further comprises a first vertical plate (102), wherein the first vertical plate (102) is fixed on the fixed plate (101) and arranged on one side of the first shaft mounting plate (104); a movable groove is provided on the first vertical plate (102); The linear rail (301) is installed on the first vertical plate (102), and the second follower cam (309) passes through the moving groove of the first vertical plate (102) and rotates in coordination with the first cam (123).

7. A round needle high-speed insertion mechanism according to claim 6, characterized in that: The pin module also includes a sensor mounting block (306) and a proximity sensor (307) for determining whether the mounting plate (302) is working normally. The proximity sensor (307) is fixedly mounted on the first vertical plate (102) via the sensor mounting block (306).

8. A round needle high-speed insertion mechanism according to claim 1, characterized in that: The pin module also includes a cylinder (311) and a cylinder joint (312); the cylinder (311) is fixedly connected to the mounting plate (302) via the cylinder joint (312) and enables the mounting plate (302) to be closely attached to the linear rail (301).

Images