Rapid forming system for resistor iron cap

Abstract

The invention discloses a resistance iron cap rapid forming system which comprises a rack, an upper mold body and a lower mold body are arranged in the rack, a mold opening mechanism is arranged on one side of the upper mold body and one side of the lower mold body, forming cavities are formed in the sides, close to each other, of the upper mold body and the lower mold body, bar materials are arranged in the forming cavities, a first oil cylinder is fixed to one side of the rack, and a second oil cylinder is fixed to the other side of the rack. An output shaft of the first oil cylinder extends into the rack and is connected with an extrusion rod through a bearing. The extrusion rod is driven to move through the oil cylinder I, so that the extrusion rod can directly and quickly extrude and form a bar without welding a cap body and a pin, the machining procedures of the resistor iron cap are reduced, the machining and forming efficiency of the resistor iron cap is improved, and in the extrusion forming process of the bar, the machining efficiency of the resistor iron cap is improved. And the extrusion rod can rotate through the synergistic effect of the rack, the gear, the worm gear and the worm, so that the wall thickness of the formed resistor iron cap is more uniform, and the machining quality of the resistor iron cap is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of resistor processing, and in particular to a resistor iron cap rapid prototyping system. Background Art

[0002] Resistors are common electronic components. Most circuit boards require resistors. The resistor has two iron caps at both ends, and pins are welded on the iron caps at both ends, making it easy to weld the resistor when in use.

[0003] In the resistor production process, the iron cap and pin of the resistor are usually processed separately, and then the iron cap and the pin are welded together. This method increases the processing steps of the resistor iron cap and affects the forming efficiency of the iron cap. Therefore, it is urgent to design a resistor iron cap rapid prototyping system to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a resistor iron cap rapid prototyping system to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] A resistor iron cap rapid prototyping system comprises a frame, wherein an upper mold body and a lower mold body are arranged inside the frame, a mold opening mechanism is arranged on one side of the upper mold body and the lower mold body, a molding cavity is opened on the side where the upper mold body and the lower mold body are close to each other, a bar material is arranged inside the molding cavity, an oil cylinder 1 is fixed on one side of the frame, an output shaft of the oil cylinder 1 extends to the internal bearing of the frame and is connected to an extrusion rod, an external bearing of the extrusion rod is connected to a mounting shell, the mounting shell is slidably connected to the frame, a worm is connected to the inside of the mounting shell through a bearing, a worm wheel is fixed to the outside of the extrusion rod, the worm is meshed with the worm wheel, one end of the worm extends to the outside of the mounting shell and is fixed with a gear, a rack is fixed to the inside of the frame, and the rack is meshed with the gear.

[0007] Furthermore, a slide rail is fixed inside the frame, a slider is slidably connected inside the slide rail, and the mounting shell is fixed to the slider.

[0008] Furthermore, the mold opening mechanism includes a double-thread screw bearing connected to the inside of the frame, the upper mold body and the lower mold body are both threadedly connected to the double-thread screw, a fixed body is fixed to one side of the frame, the upper mold body and the lower mold body are both slidably connected to the fixed body, and a motor is fixed to the top outer wall of the frame, and the output shaft of the motor is fixed to the double-thread screw.

[0009] Furthermore, the bar material is movably inserted into the interior of the fixed body, and a feeding mechanism for feeding the bar material is provided on an outer wall of one side of the fixed body.

[0010] Furthermore, one end of the extrusion rod is provided with an outer arc chamfer, and the interior of the forming cavity is provided with an inner arc chamfer.

[0011] Furthermore, a mounting groove is provided inside the fixed body, an electromagnetic heating component is fixed inside the mounting groove, and the rod material is inserted into the inside of the electromagnetic heating component.

[0012] Furthermore, a fixing block is fixed to the bottom outer wall of the mounting shell, a guide column is movably inserted inside the fixing block, a baffle is fixed to one end of the guide column, a circular arc opening matched with the extrusion rod is provided on the top of the baffle, the baffle is located on one side of the mounting shell, a baffle is fixed to the end of the extrusion rod away from the baffle, a spring located between the baffle and the fixing block is sleeved on the outside of the guide column, a limit block matched with the baffle is fixed to the bottom inner wall of the frame, and an iron cap body is sleeved on one end of the extrusion rod.

[0013] Furthermore, a guide groove is formed inside the fixed body, and a cutter is inserted into the guide groove.

[0014] Furthermore, a second oil cylinder is fixed to an outer wall of one side of the fixed body, and an output shaft of the second oil cylinder is fixed to the cutter.

[0015] Furthermore, a chip removal groove is provided inside the fixed body, and the chip removal groove is adapted to the cutter.

[0016] In the above technical scheme, the present invention provides a resistor iron cap rapid prototyping system, which has the following beneficial effects: the present invention drives the extrusion rod to move through the oil cylinder, so that the extrusion rod can directly and quickly extrude the bar material into shape, without the need to weld the cap body and the pin, thereby reducing the processing steps of the resistor iron cap, and improving the efficiency of the processing and forming of the resistor iron cap, and in the process of extruding the bar material, the extrusion rod can rotate by the coordinated action of the rack, gear, worm gear and worm, so that the wall thickness of the resistor iron cap after forming is more uniform, thereby improving the processing quality of the resistor iron cap; the double-threaded screw is driven to rotate by the motor, so that the double-threaded screw can drive the upper mold body and the lower mold body to open the mold, so that the formed iron cap body can be pulled out when the extrusion rod returns, thereby achieving the effect of automatic discharge of the iron cap body after forming; and the stop block is blocked by the limit block, so that the baffle can block the iron cap body sleeved on the extrusion rod, thereby achieving the effect of automatic separation of the iron cap body and the extrusion rod, and achieving a higher degree of automation in the processing of the resistor iron cap. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 A schematic diagram of the main structure of a resistor iron cap rapid prototyping system embodiment provided by the present invention.

[0019] Figure 2 A schematic diagram of the internal structure of a resistor iron cap rapid prototyping system embodiment of the present invention.

[0020] Figure 3 This is a schematic diagram of the enlarged structure of point A provided in an embodiment of a resistor iron cap rapid prototyping system of the present invention.

[0021] Figure 4 This is a schematic diagram of the enlarged structure of point B provided in an embodiment of a resistor iron cap rapid prototyping system of the present invention.

[0022] Figure 5 This is a schematic diagram of the enlarged structure of point C provided in an embodiment of a resistor iron cap rapid prototyping system of the present invention.

[0023] Description of reference numerals:

[0024] 1 frame, 2 upper mold body, 3 lower mold body, 4 fixed body, 5 rod material, 6 feeding mechanism, 7 cylinder one, 8 extrusion rod, 9 slide rail, 10 mounting shell, 11 slider, 12 worm gear, 13 worm, 14 rack, 15 gear, 16 baffle, 17 arc mouth, 18 fixed block, 19 guide column, 20 block, 21 spring, 22 limit block, 23 double-thread screw, 24 motor, 25 molding cavity, 26 outer arc chamfer, 27 inner arc chamfer, 28 mounting groove, 29 electromagnetic heating component, 30 guide groove, 31 cutter, 32 cylinder two, 33 chip groove, 34 iron cap body. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0026] like Figure 1-5As shown, a resistor iron cap rapid prototyping system provided by an embodiment of the present invention includes a frame 1, an upper mold body 2 and a lower mold body 3 are arranged inside the frame 1, a mold opening mechanism is arranged on one side of the upper mold body 2 and the lower mold body 3, a molding cavity 25 is opened on the side where the upper mold body 2 and the lower mold body 3 are close to each other, a bar material 5 is arranged inside the molding cavity 25, a cylinder 7 is fixed on one side of the frame 1, the output shaft of the cylinder 7 extends to the internal bearing of the frame 1 and is connected to an extrusion rod 8, the external bearing of the extrusion rod 8 is connected to a mounting shell 10, the mounting shell 10 is slidably connected to the frame 1, the interior of the mounting shell 10 is connected to a worm 13 through a bearing, a worm wheel 12 is fixed to the outside of the extrusion rod 8, the worm 13 is meshed with the worm wheel 12, one end of the worm 13 extends to the outside of the mounting shell 10 and is fixed with a gear 15, and a rack 14 is fixed to the inside of the frame 1, and the rack 14 is meshed with the gear 15.

[0027] Specifically, in this embodiment, a frame 1 is included, an upper mold body 2 and a lower mold body 3 are arranged inside the frame 1, a mold opening mechanism is arranged on one side of the upper mold body 2 and the lower mold body 3, the mold opening mechanism is used to separate and close the upper mold body 2 and the lower mold body 3, a molding cavity 25 is opened on the side where the upper mold body 2 and the lower mold body 3 are close to each other, the molding cavity 25 is used to mold the iron cap, a rod 5 is arranged inside the molding cavity 25, the rod 5 is a workpiece to be processed, an oil cylinder 7 is fixed on one side of the frame 1, the output shaft of the oil cylinder 7 extends to the internal bearing of the frame 1 and is connected to an extrusion rod 8, when one end of the rod 5 enters the interior of the molding cavity 25, the rod 5 is molded into an iron cap by the extrusion action of the extrusion rod 8, the external bearing of the extrusion rod 8 is connected to a mounting shell 10, and the mounting shell 10 is connected to the mounting shell 11. The mounting shell 10 is slidably connected to the frame 1, so that the mounting shell 10 can slide along the length direction of the bar 5. The interior of the mounting shell 10 is connected to a worm 13 through a bearing, and a worm wheel 12 is fixed to the outside of the extrusion rod 8. The worm 13 is meshed with the worm wheel 12. When the worm 13 rotates, it drives the worm wheel 12 and the extrusion rod 8 to rotate. One end of the worm 13 extends to the outside of the mounting shell 10 and is fixed with a gear 15. A rack 14 is fixed to the inside of the frame 1, and the rack 14 is meshed with the gear 15. A slide rail 9 is fixed to the inside of the frame 1, and a slider 11 is slidably connected to the inside of the slide rail 9. The mounting shell 10 is fixed to the slider 11. When the mounting shell 10 moves along the slide rail 9, the gear 15 drives the worm 13 to rotate by meshing with the rack 14.

[0028] The present invention provides a resistor iron cap rapid prototyping system, which drives an extrusion rod 8 to move through an oil cylinder 7, so that the extrusion rod 8 can directly and quickly extrude and form a bar stock 5, without the need to weld a cap body and a pin, thereby reducing the processing steps of the resistor iron cap and improving the efficiency of the processing and forming of the resistor iron cap. In addition, during the extrusion forming process of the bar stock 5, the extrusion rod 8 can rotate by the coordinated action of a rack 14, a gear 15, a worm wheel 12 and a worm 13, so that the wall thickness of the resistor iron cap after forming is more uniform, thereby improving the processing quality of the resistor iron cap.

[0029] In another embodiment provided by the present invention, the mold opening mechanism includes a double-thread screw 23 connected to the inside of the frame 1 by a bearing, the double-thread screw 23 has two thread patterns with opposite spiral directions, the upper mold body 2 and the lower mold body 3 are both threadedly connected to the double-thread screw 23, and the double-thread screw 23 can separate or close the upper mold body 2 and the lower mold body 3 when it rotates, a fixed body 4 is fixed to one side of the frame 1, the upper mold body 2 and the lower mold body 3 are both slidably connected to the fixed body 4, and the upper mold body 2 and the lower mold body 3 can slide vertically on one side of the fixed body 4 , making the movement of the upper mold body 2 and the lower mold body 3 more stable during the mold closing and parting processes, a motor 24 is fixed to the top outer wall of the frame 1, and the output shaft of the motor 24 is fixed to the double-grained screw 23. The motor 24 is used to drive the double-grained screw 23 to rotate, and the motor 24 drives the double-grained screw 23 to rotate, so that the double-grained screw 23 can drive the upper mold body 2 and the lower mold body 3 to open the mold, and then the extrusion rod 8 can pull out the formed iron cap body 34 when returning, so as to achieve the effect of automatic discharge of the iron cap body 34 after forming.

[0030] In another embodiment provided by the present invention, the rod 5 is movably inserted into the interior of the fixed body 4, and a feeding mechanism 6 for feeding the rod 5 is provided on one side outer wall of the fixed body 4. The feeding mechanism 6 can servo feed the rod 5 so that one end of the rod 5 can be fed to a predetermined position; an outer arc chamfer 26 is provided at one end of the extrusion rod 8, and an inner arc chamfer 27 is provided inside the molding cavity 25. The inner arc chamfer 27 and the outer arc chamfer 26 are used to make the corners of the resistor iron cap after molding smoothly transition to prevent burrs; an installation groove 28 is provided inside the fixed body 4, and an electromagnetic heating component 29 is fixed inside the installation groove 28. The rod 5 is inserted into the interior of the electromagnetic heating component 29, and the electromagnetic heating component 29 can heat the rod 5 when a high-frequency alternating current is passed through it.

[0031] In another embodiment provided by the present invention, Figure 1 and Figure 3As shown, a fixing block 18 is fixed to the bottom outer wall of the mounting shell 10, and a guide column 19 is movably inserted inside the fixing block 18. The number of the guide columns 19 is preferably two, and a baffle 16 is fixed to one end of the guide column 19. The top of the baffle 16 is provided with an arc opening 17 adapted to the extrusion rod 8. The baffle 16 is located on one side of the mounting shell 10, and a baffle 20 is fixed to the end of the extrusion rod 8 away from the baffle 16. The outer sleeve of the guide column 19 is provided with a spring 21 located between the baffle 20 and the fixing block 18, and the spring 21 is used to apply pressure to the baffle 20. The elastic force is added so that the baffle 16 remains close to the mounting shell 10 under normal conditions. A limit block 22 that matches the stop block 20 is fixed to the bottom inner wall of the frame 1. An iron cap body 34 is sleeved on one end of the extrusion rod 8. The iron cap body 34 is a formed resistor iron cap. The stop block 20 is blocked by the limit block 22, so that the baffle 16 can block the iron cap body 34 sleeved on the extrusion rod 8, thereby achieving an effect of automatic separation of the iron cap body 34 from the extrusion rod 8, and achieving a higher degree of automation in the processing of the resistor iron cap.

[0032] In another embodiment provided by the present invention, a guide groove 30 is opened inside the fixed body 4, and a cutter 31 is inserted inside the guide groove 30; a second oil cylinder 32 is fixed to the outer wall of one side of the fixed body 4, and the output shaft of the second oil cylinder 32 is fixed to the cutter 31, and the second oil cylinder 32 is used to drive the cutter 31 to move up and down, so that the cutter 31 cuts the bar 5; a chip discharge groove 33 is provided inside the fixed body 4, and the chip discharge groove 33 is adapted to the cutter 31, so that metal chips generated when the bar 5 is cut can be discharged along the chip discharge groove 33.

[0033] Working principle: When in use, the bar 5 is fed into the molding cavity 25 through the feeding mechanism 6. When the end of the bar 5 enters the electromagnetic heating component 29, the electromagnetic heating component 29 heats the end of the bar 5. After the end of the bar 5 is heated, the heated end of the bar 5 is fed into the molding cavity 25 according to a predetermined length through the feeding mechanism 6. Then, the cutter 31 is driven downward by the oil cylinder 32, so that the cutter 31 cuts the end of the bar 5 and makes the cutter 31 The rod 5 is blocked and limited, and then the cylinder 7 drives the extrusion rod 8 to move into the molding cavity 25, so that the end of the extrusion rod 8 enters the molding cavity 25, and the heated end of the rod 5 is extruded and formed, so that the rod 5 is formed into an iron cap body 34. When the cylinder 7 drives the extrusion rod 8 to move, the meshing of the gear 15 and the rack 14 drives the worm 13 to rotate, so that the worm 13 drives the worm wheel 12 and the extrusion rod 8 to rotate, so that the extrusion rod 8 rotates on the iron cap body 34. 4 performs the extrusion molding effect, thereby making the wall thickness of the iron cap body 34 more uniform; then the motor 24 drives the double-thread screw 23 to rotate, so that the double-thread screw 23 drives the upper mold body 2 and the lower mold body 3 to move away from each other, and at the same time, the oil cylinder 2 32 drives the cutter 31 to move upward, so that the cutter 31 does not form a barrier to the bar material 5; then the oil cylinder 1 7 drives the extrusion rod 8 away from the molding cavity 25, so that the extrusion rod 8 pulls the iron cap body 34 out from between the upper mold body 2 and the lower mold body 3; when the blocking When block 20 contacts limit block 22, limit block 22 blocks block 20, so that baffle 16 is stationary relative to frame 1, and at the same time, extrusion rod 8 continues to move away from molding cavity 25 relative to baffle 16, so that baffle 16 blocks iron cap body 34 on extrusion rod 8, and then baffle 16 separates iron cap body 34 from extrusion rod 8, so that when iron cap body 34 is being formed, the cap body of the iron cap can be directly formed on the pin without welding the cap body and the pin.

[0034] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A resistor iron cap rapid prototyping system, It is characterized in that The invention comprises a frame (1), wherein an upper mold body (2) and a lower mold body (3) are arranged inside the frame (1), a mold opening mechanism is arranged on one side of the upper mold body (2) and the lower mold body (3), a molding cavity (25) is opened on the side of the upper mold body (2) and the lower mold body (3) close to each other, a bar material (5) is arranged inside the molding cavity (25), an oil cylinder (7) is fixed on one side of the frame (1), an output shaft of the oil cylinder (7) extends to the internal bearing of the frame (1) and is connected to an extrusion rod (8), and the extrusion rod The outer bearing of the extrusion rod (8) is connected to a mounting shell (10), the mounting shell (10) is slidably connected to the frame (1), the interior of the mounting shell (10) is connected to a worm (13) through a bearing, a worm wheel (12) is fixed to the outside of the extrusion rod (8), the worm wheel (13) meshes with the worm wheel (12), one end of the worm wheel (13) extends to the outside of the mounting shell (10) and is fixed with a gear (15), and a rack (14) is fixed to the inside of the frame (1), and the rack (14) meshes with the gear (15).

2. A resistor iron cap rapid prototyping system according to claim 1, It is characterized in that A slide rail (9) is fixed inside the frame (1), a slider (11) is slidably connected inside the slide rail (9), and the mounting shell (10) is fixed to the slider (11).

3. A resistor iron cap rapid prototyping system according to claim 1, It is characterized in that The mold opening mechanism comprises a double-threaded screw (23) connected to the inside of a frame (1) by a bearing, the upper mold body (2) and the lower mold body (3) are both threadedly connected to the double-threaded screw (23), a fixed body (4) is fixed to one side of the frame (1), the upper mold body (2) and the lower mold body (3) are both slidably connected to the fixed body (4), and a motor (24) is fixed to the top outer wall of the frame (1), and the output shaft of the motor (24) is fixed to the double-threaded screw (23).

4. A resistor iron cap rapid prototyping system according to claim 3, It is characterized in that The bar material (5) is movably inserted into the interior of the fixed body (4), and a feeding mechanism (6) for feeding the bar material (5) is provided on one side outer wall of the fixed body (4).

5. A resistor iron cap rapid prototyping system according to claim 1, It is characterized in that One end of the extrusion rod (8) is provided with an outer arc chamfer (26), and the interior of the molding cavity (25) is provided with an inner arc chamfer (27).

6. A resistor iron cap rapid prototyping system according to claim 3, It is characterized in that The interior of the fixed body (4) is provided with a mounting groove (28), the interior of the mounting groove (28) is fixed with an electromagnetic heating component (29), and the bar material (5) is inserted into the interior of the electromagnetic heating component (29).

7. A resistor iron cap rapid prototyping system according to claim 1, It is characterized in that A fixing block (18) is fixed to the bottom outer wall of the mounting shell (10), a guide column (19) is movably inserted inside the fixing block (18), a baffle (16) is fixed to one end of the guide column (19), a circular arc opening (17) matching with the extrusion rod (8) is arranged on the top of the baffle (16), the baffle (16) is located on one side of the mounting shell (10), a baffle (20) is fixed to the end of the extrusion rod (8) away from the baffle (16), a spring (21) located between the baffle (20) and the fixing block (18) is sleeved on the outside of the guide column (19), a limit block (22) matching with the baffle (20) is fixed to the bottom inner wall of the frame (1), and an iron cap body (34) is sleeved on one end of the extrusion rod (8).

8. A resistor iron cap rapid prototyping system according to claim 3, It is characterized in that A guide groove (30) is formed inside the fixed body (4), and a cutter (31) is inserted into the guide groove (30).

9. A resistor iron cap rapid prototyping system according to claim 8, It is characterized in that A second oil cylinder (32) is fixed to an outer wall of one side of the fixed body (4), and an output shaft of the second oil cylinder (32) is fixed to the cutter (31).

10. A resistor iron cap rapid prototyping system according to claim 8, It is characterized in that A chip removal groove (33) is provided inside the fixed body (4), and the chip removal groove (33) is adapted to the cutter (31).

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