Punch forming device for lighter windshield

Abstract

The utility model discloses a punch forming device for a lighter windshield, which relates to the field of lighter processing and comprises a device body, the device body comprises a support frame, limiting mechanisms are arranged on the front side and the rear side of the support frame, clamping and feeding mechanisms are arranged on the left side and the right side of the support frame, and each clamping and feeding mechanism comprises a side support plate. Elliptical guide rails which are symmetrically arranged up and down are fixed to one sides of the side supporting plates, two chain wheels are arranged on the inner sides of the elliptical guide rails, the two chain wheels are sleeved with traction chains, a plurality of clamping traction blocks are connected to the elliptical guide rails in a sliding mode, one sides of the clamping traction blocks are fixed to the traction chains, and the limiting mechanism is used for preventing the steel belt from generating transverse displacement. The stamping device has the beneficial effects that through the arrangement of the clamping feeding mechanism, the clamping traction block connected to the oval guide rail in a sliding mode is used for clamping a steel belt, so that the steel belt cannot move during stamping, in the ascending process of the upper die, the traction chain can pull the steel belt to move on the upper die in a stepping mode, and therefore stamping forming of the windshield is completed.

Description

Technical Field

[0001] The utility model relates to the field of lighter processing, in particular to a stamping and forming device for a lighter windshield. Background Art

[0002] The manufacturing of lighter windshields is generally carried out using stamping and forming equipment. Generally, the stamping and forming equipment of lighter windshields includes a discharge device, a stamping device, and a conveying device, which are arranged in sequence from front to back. The discharge device includes a discharge rack and a discharge wheel arranged on the discharge rack. The stamping device includes an upper die and a lower die corresponding to the upper die. The upper die is connected to the stamping device. The lower surface of the upper die is provided with several punches arranged from front to back. The upper surface of the lower die is provided with a female die corresponding to the punches. The lower die behind the female die is provided with a blanking port. The lower surface of the upper die is provided with a cutter corresponding to the blanking port. During production, sheet-like steel strip coils are used as raw materials. The conveying device conveys the raw strips. The stamping device gradually stamps the raw strips and finally stamps and forms them. The final formed product is cut by the cutter and discharged from the blanking port.

[0003] For example, the patent document with announcement number CN212822024U discloses a stamping forming device for a lighter windshield, a stamping forming device for a lighter windshield, comprising a base and a gas pressure rod, the upper end of the base is fixedly connected to a plurality of guide rods, the upper ends of the guide rods are slidably connected to a pressure plate, the upper end of the pressure plate is fixedly connected to the lower end of the gas pressure rod, and the lower end of the pressure plate is fixedly connected to the upper template, the upper end of the base is chiseled with a pair of sliding grooves, the inner part of the sliding grooves is slidably connected to a pair of sliders, the lower end of the sliders is chiseled with a pair of rolling grooves, and the inner parts of the pair of rolling grooves are both rollingly connected with balls, the ends of the sliders close to each other are fixedly connected to a tension spring, and a fixed block is fixedly connected between the inner walls of the sliding grooves, and the end of the tension spring away from the slider is fixedly connected to the fixed block, so that the metal sheet can be effectively fixed, the metal sheet is not easily displaced during stamping, the metal sheet can be better stamped, and the yield rate of the lighter windshield is effectively improved. In the above device, a slider is used to clamp the metal sheet for limiting the position. However, since the existing technology mostly uses continuous steel strips for continuous stamping to produce lighter windshields, the above device cannot adapt to the existing technology. Therefore, a mechanism that can limit the continuous steel strip and perform step-by-step feeding is needed to adapt to the existing technology. Utility Model Content

[0004] The purpose of the present utility model is to provide a stamping and forming device for a lighter windshield in order to solve the above-mentioned problem.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] The utility model provides a punch forming device of lighter wind shield, including device main part, the device main part includes support frame, and the both sides of support frame are provided with limiting mechanism, and the both sides of support frame are provided with clamping feeding mechanism, and clamping feeding mechanism includes fixedly connected with the both sides of support frame symmetrical side support plate, and one side of side support plate is fixedly connected with the upper and lower symmetrical elliptical guide rail, and the inside of elliptical guide rail is provided with sprocket horizontally and symmetrically, and two sprocket are provided with traction chain, and a plurality of evenly arranged clamping traction blocks are slidably connected on the elliptical guide rail, and one side of clamping traction block is fixedly connected with traction chain, and the other side of clamping traction block is fixedly connected with rubber pad, and limiting mechanism is used for preventing the transverse displacement of steel band.

[0007] Preferably, the other side of the upper and lower symmetrical sprocket is installed with a gear set, the gear set is rotatably connected with the side support plate, one side of the gear set is provided with a half gear, the half gear can be engaged with one of the gears in the gear set, the half gear is rotatably connected with the side support plate, and one side of the half gear is fixedly connected with a pulley.

[0008] Preferably, the lower end of the support frame is fixedly connected with a lower mold, one side of the upper end of the support frame is fixedly connected with a motor, the output end of the motor is fixedly connected with a power shaft, the middle of the power shaft is fixedly connected with an eccentric wheel, the eccentric wheel is rotatably connected with a connecting rod, the other end of the connecting rod is rotatably connected with an upper mold, the upper mold is slidably connected with the support frame, and the upper mold and the lower mold are symmetrically arranged.

[0009] Preferably, the limiting mechanism includes a limiting support fixedly connected to the front and rear sides of the support frame, a bidirectional screw rod rotatably connected to the limiting support, a rotating internal hexagon fixedly connected to one end of the bidirectional screw rod, and a limiting plate symmetrically arranged and threadedly connected to the bidirectional screw rod, an upper clamping plate slidably connected to the top of the limiting plate, and a plurality of clamping rollers symmetrically arranged and rotatably connected to the upper clamping plate and the limiting plate.

[0010] Preferably, a locking bolt is fixedly connected to the top of the limiting plate, the locking bolt passes through the upper clamping plate, and a nut is threadedly connected to the upper end of the locking bolt.

[0011] Preferably, the power shaft and the pulley on the half gear are connected through a synchronous belt.

[0012] The beneficial effects are that through the setting of the clamping feeding mechanism, the steel band is clamped by the clamping traction blocks slidably connected to the elliptical guide rail, so that it cannot move during punching, and during the lifting of the upper mold, the traction chain can step the steel band to move on the upper mold, thereby completing the punch forming of the wind shield.

[0013] The additional technical features and advantages of the utility model will be more obvious in the following description, or can be understood through the specific practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide further understanding of the present application and constitute a part of the specification, and are used to explain the present application together with the following specific embodiments, but do not constitute a limitation to the present application. In the drawings:

[0015] Figure 1 is a perspective view of the punch forming device of the wind cover of the lighter according to the present application;

[0016] Figure 2 is a left side sectional view of the punch forming device of the wind cover of the lighter according to the present application;

[0017] Figure 3 is a schematic view of the connection mode of the half gear and the power shaft of the punch forming device of the wind cover of the lighter according to the present application;

[0018] Figure 4 is a structural schematic view of the limiting mechanism of the punch forming device of the wind cover of the lighter according to the present application;

[0019] Figure 5 is a structural schematic view of the clamping and feeding mechanism of the punch forming device of the wind cover of the lighter according to the present application;

[0020] Figure 6 is a structural schematic view of the half gear and the gear set of the punch forming device of the wind cover of the lighter according to the present application;

[0021] Figure 7 is a front side sectional view of the clamping and feeding mechanism of the punch forming device of the wind cover of the lighter according to the present application.

[0022] The reference signs are explained as follows:

[0023] 101, support frame; 102, lower die; 103, upper die; 104, motor; 105, power shaft; 106, eccentric wheel; 107, connecting rod; 201, limiting support; 202, bidirectional screw rod; 203, rotating inner hexagon; 204, limiting plate; 205, upper clamping plate; 206, clamping roller; 207, locking bolt; 301, side support plate; 302, chain wheel; 303, traction chain; 304, elliptical guide rail; 305, clamping traction block; 306, rubber gasket; 307, gear set; 308, half gear. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, but not all the embodiments.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0026] The present invention will be further described below with reference to the accompanying drawings:

[0027] like Figure 1-Figure 7 The invention discloses a stamping forming device for a lighter windshield, comprising a device body, the device body comprising a support frame 101, a limit mechanism being provided on the front and rear sides of the support frame 101, a clamping and feeding mechanism being provided on the left and right sides of the support frame 101, the clamping and feeding mechanism comprising a side support plate 301 being fixedly connected to the support frame 101 and symmetrically provided on both sides, an elliptical guide rail 304 being fixedly connected to one side of the side support plate 301 and symmetrically provided on the upper and lower sides, a sprocket 302 being provided horizontally and symmetrically on the inner side of the elliptical guide rail 304, and the two sprockets 302 being provided on the upper and lower sides of the sprockets 302. A traction chain 303 is provided, and a plurality of uniformly arranged clamping and traction blocks 305 are slidably connected to the elliptical guide rail 304. One side of the clamping and traction block 305 is fixedly connected to the traction chain 303, and the other side of the clamping and traction block 305 is fixedly connected to the rubber gasket 306. The limiting mechanism is used to prevent the steel belt from generating lateral displacement. A gear set 307 is installed on the other side of the sprocket 302 which is symmetrically arranged above and below. The gear set 307 is rotatably connected to the side support plate 301. A half gear 308 is provided on one side of the gear set 307. The half gear 308 is fixedly connected to the side support plate 301. 08 can mesh with one of the gears in the gear set 307, the half gear 308 is rotatably connected to the side support plate 301, and a pulley is fixedly connected to one side of the half gear 308. The working process of the clamping feeding mechanism is that the power shaft 105 rotates to drive the half gear 308 to rotate, so that during the rising process of the upper mold 103, the half gear 308 can mesh with the gear set 307, the half gear 308 drives the gear set 307 to rotate, the gear set 307 drives the sprocket 302 to rotate, and the sprocket 302 drives the traction chain 30 3 rotates, and the traction chain 303 drives the clamping traction block 305 to move along the elliptical guide rail 304. During this process, the clamping traction block 305 can continuously clamp the continuous steel strip. The setting of the rubber gasket 306 can increase the friction between the steel strip and the clamping traction block 305 to prevent slipping. The setting of the half gear 308 can make the sprocket 302 rotate intermittently, thereby realizing the step-by-step feeding of the continuous steel strip. In this way, it can ensure that the steel strip will not be displaced during the stamping process while realizing the step-by-step feeding of the steel strip.

[0028] The lower end of the support frame 101 is fixedly connected with a lower mold 102, one side of the upper end of the support frame 101 is fixedly connected with a motor 104, the output end of the motor 104 is fixedly connected with a power shaft 105, the middle of the power shaft 105 is fixedly connected with an eccentric wheel 106, the eccentric wheel 106 is rotatably connected with a connecting rod 107, the other end of the connecting rod 107 is rotatably connected with an upper mold 103, the upper mold 103 is slidably connected with the support frame 101, the upper mold 103 and the lower mold 102 are symmetrically arranged, the power shaft 105 is connected with a belt pulley on the half gear 308 through a synchronous belt, when stamping, the motor 104 drives the power shaft 105 to rotate, the power shaft 105 drives the eccentric wheel 106 and the half gear 308 to rotate, the eccentric wheel 106 drives the connecting rod 107 to move, the connecting rod 107 drives the upper mold 103 to continuously reciprocate up and down, and the upper mold 103 and the lower mold 102 can cooperate to complete stamping.

[0029] The limiting mechanism comprises limiting supports 201 fixedly connected to the front and rear sides of the support frame 101, bidirectional screws 202 rotatably connected to the limiting supports 201, rotating internal hexagons 203 fixedly connected to one end of the bidirectional screws 202, limiting plates 204 symmetrically arranged and threadedly connected to the bidirectional screws 202, upper clamping plates 205 slidably connected to the top of the limiting plates 204, clamping rollers 206 rotatably connected to the limiting plates 204 and the upper clamping plates 205, locking bolts 207 fixedly connected to the top of the limiting plates 204, the locking bolts 207 penetrating through the upper clamping plates 205, nuts threadedly connected to the upper end of the locking bolts 207, and a worker rotates the rotating internal hexagons 203 according to the width of the continuous steel belt by using a hexagonal wrench, the rotating internal hexagons 203 drive the bidirectional screws 202 to rotate, the bidirectional screws 202 drive the limiting plates 204 to move towards each other to clamp the continuous steel belt so that the continuous steel belt cannot move horizontally, then the worker rotates the nuts on the locking bolts 207, the locking bolts 207 slide downward, the locking bolts 207 drive the clamping rollers 206 to clamp the continuous steel belt to limit the continuous steel belt vertically, so that the continuous steel belt can be correctly positioned when entering the device, which is beneficial to subsequent stamping forming.

[0030] Working principle: The staff uses a hexagonal wrench to rotate the inner hexagon 203 according to the width of the continuous steel strip, and the inner hexagon 203 drives the bidirectional screw 202 to rotate. The bidirectional screw 202 drives the limit plate 204 to move in opposite directions to clamp the continuous steel strip so that it will not move laterally. Then the staff rotates the nut on the locking bolt 207 to slide the locking bolt 207 downward. The locking bolt 207 drives the clamping roller 206 to clamp the continuous steel strip and limit it vertically. This ensures that the continuous steel strip is in the correct position when entering the device, which is beneficial to subsequent stamping and forming. During stamping, the motor 104 drives the power shaft 105 to rotate, and the power shaft 105 drives the eccentric wheel 106 and the half gear 308 to rotate. The eccentric wheel 106 drives the connecting rod 107 to move, and the connecting rod 107 drives the upper mold 103 to rise and fall continuously. The upper mold 103 and the lower mold The tool 102 can cooperate to complete the stamping, and the power shaft 105 rotates to drive the half gear 308 to rotate, so that during the rising process of the upper mold 103, the half gear 308 can engage with the gear set 307, and the half gear 308 drives the gear set 307 to rotate, and the gear set 307 drives the sprocket 302 to rotate, and the sprocket 302 drives the traction chain 303 to rotate, and the traction chain 303 drives the clamping traction block 305 to move along the elliptical guide rail 304. During this process, the clamping traction block 305 can continuously clamp the continuous steel strip, and the setting of the rubber gasket 306 can increase the friction between the steel strip and the clamping traction block 305 to prevent slipping. The setting of the half gear 308 can make the sprocket 302 rotate intermittently, thereby realizing the step-by-step feeding of the continuous steel strip, which can ensure that the steel strip will not be displaced during the stamping process while realizing the step-by-step feeding of the steel strip.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.

Claims

1. A stamping and forming device for a lighter windshield, comprising a device body, characterized in that: The device body comprises a support frame (101), and a limiting mechanism is provided on the front and rear sides of the support frame (101), and a clamping and feeding mechanism is provided on the left and right sides of the support frame (101), and the clamping and feeding mechanism comprises a side support plate (301) fixedly connected to the support frame (101) and symmetrically arranged on both sides, and an elliptical guide rail (304) symmetrically arranged up and down is fixedly connected to one side of the side support plate (301), and a sprocket (302) is horizontally symmetrically arranged on the inner side of the elliptical guide rail (304), and a traction chain (303) is sleeved on the two sprockets (302), and a plurality of uniformly arranged clamping and traction blocks (305) are slidably connected to the elliptical guide rail (304), and one side of the clamping and traction block (305) is fixedly connected to the traction chain (303), and the other side of the clamping and traction block (305) is fixedly connected to a rubber gasket (306), and the limiting mechanism is used to prevent the continuous steel strip from generating non-longitudinal displacement.

2. The punching and forming device for a lighter windshield according to claim 1, characterized in that: A gear set (307) is installed on the other side of the sprocket (302) which is symmetrically arranged above and below. The gear set (307) is rotatably connected to the side support plate (301). A half gear (308) is provided on one side of the gear set (307). The half gear (308) can be engaged with one of the gears in the gear set (307). The half gear (308) is rotatably connected to the side support plate (301). A pulley is fixedly connected to one side of the half gear (308).

3. The punching and forming device for a lighter windshield according to claim 2, characterized in that: The lower end of the support frame (101) is fixedly connected to a lower mold (102), one side of the upper end of the support frame (101) is fixedly connected to a motor (104), the output end of the motor (104) is fixedly connected to a power shaft (105), the middle of the power shaft (105) is fixedly connected to an eccentric wheel (106), the eccentric wheel (106) is rotatably connected to a connecting rod (107), the other end of the connecting rod (107) is rotatably connected to an upper mold (103), the upper mold (103) is slidably connected to the support frame (101), and the upper mold (103) and the lower mold (102) are symmetrically arranged.

4. The punching and forming device for a lighter windshield according to claim 1, characterized in that: The limiting mechanism comprises a limiting bracket (201) fixedly connected to the front and rear sides of the support frame (101); a bidirectional screw (202) is rotatably connected to the limiting bracket (201); one end of the bidirectional screw (202) is fixedly connected to a rotating hexagon socket (203); a symmetrically arranged limiting plate (204) is threadedly connected to the bidirectional screw (202); an upper clamping plate (205) is slidably connected to the top of the limiting plate (204); and a plurality of symmetrically arranged clamping rollers (206) are rotatably connected to the limiting plate (204) and the upper clamping plate (205).

5. The punching and forming device for a lighter windshield according to claim 4, characterized in that: A locking bolt (207) is fixedly connected to the top of the limiting plate (204), and the locking bolt (207) passes through the upper clamping plate (205). A nut is threadedly connected to the upper end of the locking bolt (207).

6. The punching and forming device for a lighter windshield according to claim 3, characterized in that: The power shaft (105) and the pulley on the half gear (308) are connected via a synchronous belt.

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