Metal stamping device for platform guardrail

Abstract

The utility model relates to the field of guardrail stamping machining, and discloses a metal stamping device for a platform guardrail. The metal stamping device for the platform guardrail comprises a machine box, a machine frame is fixedly mounted on the surface of the machine box, a lower mounting plate is fixedly mounted on the surface of the machine box and located at the lower end of the machine frame, a fixing seat is fixedly connected to the front end of the lower mounting plate, and a hydraulic rod is mounted at the top of the machine frame; and an upper pressing table is mounted at the lower end of the hydraulic rod, a spring rod is fixedly connected to the lower end of the upper pressing table, an upper mold table is fixedly connected to the lower end of the spring rod, and a lower mold base is inserted into the lower mounting plate and located under the upper mold table. Before metal guardrail pipe fittings of different sizes are machined, the auxiliary limiting feeding device can be rapidly adjusted, the top of the side end and the top of the rear end of the metal pipe fitting can be limited, the top of the metal pipe fitting is rapidly positioned to the lower end of the stamping device, and the production efficiency and the machining precision are improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of guardrail stamping processing, in particular to a metal stamping device for platform guardrails. BACKGROUND

[0002] The metal stamping device for platform guardrails is mainly used for manufacturing or processing various parts of metal guardrails, especially when a large number of metal guardrail components need to be produced, the stamping equipment can efficiently and accurately process metal plates or profiles. Such equipment usually cooperates high pressure and molds to stamp metal materials into specific shapes or sizes.

[0003] As disclosed in the patent with publication number CN210059444U, a steel guardrail stamping device includes a lower die plate, an upper die plate above the lower die plate, side die plates on both sides of the upper die plate, the upper ends of the side die plates being hinged to the upper die plate, the lower ends of the side die plates being curved towards the inner side of the upper die plate, inclined guide columns being provided at both ends of the lower die plate, the inclined guide columns being provided with inwardly curved circular arc chamfers on one side, and the inclined guide columns and the side die plates forming a cooperation to curl the outer edge of the original guardrail. The device uses simple upper and lower die plates to perform stamping technology on raw materials, having the advantages of simple structure, easy manufacturing, etc.

[0004] However, the steel guardrail stamping device of the application lacks an auxiliary limiting feeding structure that can be quickly adjusted when facing guardrail metal pieces of different sizes, resulting in poor applicability. SUMMARY

[0005] The purpose of the application is to solve the problem of the steel guardrail stamping device lacking an auxiliary limiting feeding structure that can be quickly adjusted when facing guardrail metal pieces of different sizes, resulting in poor applicability, and to provide a metal stamping device for platform guardrails.

[0006] The technical solution adopted by the application is as follows: a rack is fixedly installed on the surface of a case, a lower mounting plate is fixedly installed on the surface of the case and located at the lower end of the rack, a fixed seat is fixedly connected to the front end of the lower mounting plate, a hydraulic rod is installed on the top of the rack, an upper pressing table is installed at the lower end of the hydraulic rod, a spring rod is fixedly connected to the lower end of the upper pressing table, an upper die table is fixedly connected to the lower end of the spring rod, a lower die seat is inserted into the inside of the lower mounting plate and located directly below the upper die table, a first lead screw is rotatably connected in the inside of the fixed seat, a rotating handle is fixedly connected to the top end of the first lead screw, a second lead screw is rotatably connected in the inside of the fixed seat and located at the side end of the first lead screw, a left limiting plate is slidably connected to the surface of the first lead screw, a right limiting plate is slidably connected to the surface of the second lead screw, a sliding plate is slidably connected in the inside of the left limiting plate, and a lower limiting seat is threadedly connected to the lower end of the sliding plate.

[0007] By adopting the technical scheme, the rack is used for mounting the hydraulic rod, and the hydraulic rod can drive the upper pressing table to move up and down, and the lower end of the upper pressing table is provided with replaceable punch tool holders and punching seats, which can punch and punch the metal pipe fittings. The upper die table is connected with the upper pressing table through the spring rod, and the upper die table is provided with a slot hole for providing the punch tool to slide up and down. The lower mounting plate is located at the lower end of the upper die table, and the lower mounting plate is provided with a replaceable lower die seat in the inside, and the lower die seat is also provided with the same slot hole as the upper die table. When the upper die table is pressed to the surface of the lower die seat, it will continue to press under the elastic force through the spring rod, and at this time the punch tool will pass through the slot hole in the upper die table in turn to press the surface of the metal pipe fitting. When facing different sizes of pipe fittings, different sizes of upper and lower dies and matching punch tools can be replaced. When the metal pipe fitting is fed, the first screw rod and the second screw rod can be driven to rotate by rotating the rotating handle, and then the left and right limit plates are adjusted to move left and right, and the side end of the metal pipe fitting is clamped and positioned by the left and right limit plates.

[0008] In a preferred embodiment, the surface of the first screw rod is threadedly connected with a sliding seat, the top of the sliding seat is fixedly connected with a left limit plate, the inside of the sliding plate is threadedly connected with a threaded handle, and the bottom of the threaded handle is fixedly connected with a lower limit seat.

[0009] By adopting the technical scheme, the first screw rod can drive the sliding seat to move left and right when rotating, and then drive the left limit plate to move left and right, and the second screw rod can drive the sliding seat inside the second screw rod to move left and right when rotating, and then drive the right limit plate to move left and right.

[0010] In a preferred embodiment, the inside of the upper pressing table is fixedly connected with a sliding sleeve, and the surface of the lower mounting plate and below the sliding sleeve is fixedly connected with a limiting rod.

[0011] By adopting the technical scheme, when the upper pressing table moves up and down, the limiting rod can slide up and down in the inside of the sliding sleeve, improving the stability of the device when punching.

[0012] In a preferred embodiment, the lower end of the upper pressing table is provided with a punch tool holder, and the lower end of the upper pressing table and at the side end of the punch tool holder is provided with a punching seat.

[0013] By adopting the technical scheme, the punch tool holder can press the top end of the metal pipe fitting into a customized shape, and after the punching is completed, the pipe fitting is sent to the punching groove, and then the punching seat is used for punching.

[0014] In a preferred embodiment, the inner part of the upper die base and the lower end of the pressing tool seat are provided with a pressing tool positioning hole, the inner part of the lower die base is provided with a pressing tool positioning hole, the surface of the upper die base and the lower end of the punching tool seat are provided with a punching groove, and the inner part of the lower die base is provided with a punching groove.

[0015] By adopting the above technical scheme, the pressing tool positioning hole is used for positioning, and the pressing tool seat will not enter the inner part of the pressing tool positioning hole when being pressed down. The punching groove is used for punching, and the punching tool seat will enter the inner part of the punching groove when being pressed down.

[0016] In a preferred embodiment, the front end of the machine case is provided with a discharge groove, and the side end of the machine case is provided with a control console.

[0017] By adopting the above technical scheme, when punching, the metal pipe fittings will fall into the inner part of the discharge groove and roll out.

[0018] In a preferred embodiment, the front end of the machine case and below the discharge groove are provided with an inspection door.

[0019] By adopting the above technical scheme, the inspection door can facilitate the maintenance of the staff.

[0020] In a preferred embodiment, the surface of the machine case and the side end of the rack are fixedly connected with a connecting rod, and the surface of the connecting rod is rotatably connected with a baffle.

[0021] By adopting the above technical scheme, the baffle can rotate on the surface of the connecting rod to protect the side end of the stamping equipment.

[0022] In summary, due to the adoption of the above technical scheme, the beneficial effects of the present application are:

[0023] In the present application, when facing different sizes of pipe fittings, different sizes of upper and lower dies and matching stamping tools can be replaced. When feeding metal pipe fittings, the first screw rod and the second screw rod can be driven to rotate by rotating the rotating handle, and then the left and right limit plates can be adjusted to move left and right, and the left and right limit plates can be used to clamp and position the side end of the metal pipe fittings. The top end of the left and right limit plates is opposite to the side end of the surface groove of the lower die base, so that the metal pipe fittings can be quickly positioned to the stamping groove position, improving the speed and accuracy of positioning and installation. Before stamping, the position of the lower limit seat can be adjusted by sliding the sliding plate, and then the lower limit seat can be adjusted to the surface of the rear end of the metal pipe fitting by rotating the threaded handle, so as to increase the pressing force of the rear end of the metal pipe fitting and prevent the rear end of the pipe fitting from being raised during stamping. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of a platform guardrail metal stamping device in the present application.

[0025] Figure 2 The structure schematic diagram of the punching device in the application;

[0026] Figure 3 The structure schematic diagram of the auxiliary limiting feeding device in the application.

[0027] Marked in the figure: 1, the machine box; 2, the rack; 3, the hydraulic rod; 4, the upper pressing table; 5, the upper die table; 6, the lower mounting plate; 7, the fixed seat; 8, the connecting rod; 9, the baffle; 10, the discharge chute; 11, the access door; 12, the control console; 13, the sliding sleeve; 14, the limiting rod; 15, the spring rod; 16, the pressing knife seat; 17, the punching seat; 18, the lower die seat; 19, the pressing knife positioning hole; 20, the punching groove; 21, the first lead screw; 22, the second lead screw; 23, the rotating handle; 24, the sliding seat; 25, the left limiting plate; 26, the right limiting plate; 27, the sliding plate; 28, the threaded handle; 29, the lower limiting seat. DETAILED DESCRIPTION

[0028] To make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the present application.

[0029] Embodiment:

[0030] Reference Figures 1-3The utility model provides a metal pipe piece's automatic pressing device, including the case 1, the surface fixed mounting of case 1 has the rack 2, the surface of case 1 and be located the lower extreme fixed mounting of rack 2 has the lower mounting panel 6, the front end fixed connection of lower mounting panel 6 has the fixed seat 7, the top of rack 2 is installed with hydraulic pressure rod 3, the lower end of hydraulic pressure rod 3 is installed with upper pressure station 4, the lower end fixed connection of upper pressure station 4 has spring rod 15, the lower end fixed connection of spring rod 15 has upper die station 5, the inside of lower mounting panel 6 and be located the just below of upper die station 5 are inserted with lower die seat 18, the inside rotation is connected with first lead screw 21 of fixed seat 7, the top fixed connection of first lead screw 21 has rotation handle 23, the inside rotation is connected with second lead screw 22 of fixed seat 7 and be located the side end of first lead screw 21, the surface sliding connection of first lead screw 21 has left limit board 25, the surface sliding connection of second lead screw 22 has right limit board 26, the inside sliding connection of left limit board 25 has sliding plate 27, the lower end screw connection of sliding plate 27 has lower limit seat 29. Rack 2 is used for installing hydraulic pressure rod 3, and starting hydraulic pressure rod 3 can drive upper pressure station 4 to move up and down, and the lower end of upper pressure station 4 is installed with replaceable press tool seat 16 and punch seat 17, and press tool seat 16 and punch seat 17 can stamp and punch the metal pipe piece. Upper die station 5 is connected with upper pressure station 4 through spring rod 15, and the inside of upper die station 5 is provided with slot hole that can provide the up and down sliding of stamping tool. Lower mounting panel 6 is located at the lower end of upper die station 5, and the inside of lower mounting panel 6 is installed with replaceable lower die seat 18, and the inside of lower die seat 18 is also provided with the same slot hole as upper die station 5. When upper die station 5 is pressed to the surface of lower die seat 18, it will continue to press under the elastic force through spring rod 15, and at this time, the stamping tool will pass through the slot hole in upper die station 5 in turn and press the surface of the metal pipe piece. When facing different sizes of pipe pieces, different sizes of upper and lower dies and matching stamping tools can be replaced. When the metal pipe piece is fed, the first lead screw 21 and the second lead screw 22 can be rotated by rotating the rotation handle 23, and then the left limit board 25 and the right limit board 26 can be adjusted to move left and right, and the side end of the metal pipe piece can be clamped and positioned by the left limit board 25 and the right limit board 26. The top of the left limit board 25 and the right limit board 26 is opposite to the side end of the slot hole on the surface of the lower die seat 18, so that the metal pipe piece can be quickly positioned to the stamping slot hole position, improving the speed and accuracy of positioning and installation. Before stamping, the position of the lower limit seat 29 can be adjusted by sliding the sliding plate 27, and then the lower limit seat 29 can be adjusted to the rear end surface of the metal pipe piece by rotating the threaded handle 28, so as to increase the downward pressure on the rear end of the metal pipe piece and prevent the rear end of the pipe piece from being raised during stamping.

[0031] Reference Figure 1 and Figure 3The surface of the first screw rod 21 is threadedly connected with a sliding seat 24, the top of the sliding seat 24 is fixedly connected with a left limiting plate 25, the inside of the sliding plate 27 is threadedly connected with a threaded handle 28, and the bottom of the threaded handle 28 is fixedly connected with a lower limiting seat 29. The first screw rod 21 can drive the sliding seat 24 to move left and right when rotating, thereby driving the left limiting plate 25 to move left and right, and the second screw rod 22 can drive the sliding seat 24 inside the second screw rod 22 to move left and right when rotating, thereby driving the right limiting plate 26 to move left and right. The front ends of the punch positioning hole 19 and the punching groove 20 are provided with the left limiting plate 25 and the right limiting plate 26, so that the pipe fitting can be first sent to the punch positioning hole 19 for punching and plasticity, and then sent to the punching groove 20 for punching. After the top end of the metal pipe fitting is pressed into the required shape, punching is performed, which facilitates the processing of the metal pipe fitting into the structure required for splicing and bolt installation.

[0032] With reference to Figure 1 and Figure 2 The inside of the upper pressing table 4 is fixedly connected with a sliding sleeve 13, and the surface of the lower mounting plate 6 and below the sliding sleeve 13 is fixedly connected with a limiting rod 14. When the upper pressing table 4 moves up and down, the limiting rod 14 can slide up and down in the inside of the sliding sleeve 13, improving the stability of the device when punching.

[0033] With reference to Figure 1 and Figure 2 The lower end of the upper pressing table 4 is provided with a punch seat 16, and the lower end of the upper pressing table 4 and the side end of the punch seat 16 are provided with a punching seat 17. The punch seat 16 can press the top end of the metal pipe fitting into a customized shape, and after the punching is completed, the pipe fitting is sent to the punching groove 20, and then the punching seat 17 is used for punching, which facilitates the installation of bolts on the top end of the guardrail pipe fitting.

[0034] With reference to Figure 1 and Figure 2 The inside of the upper die table 5 and below the lower end of the punch seat 16 is provided with a punch positioning hole 19, and the inside of the lower die seat 18 is provided with a punch positioning hole 19. The surface of the upper die table 5 and below the lower end of the punch seat 17 is provided with a punching groove 20, and the inside of the lower die seat 18 is provided with a punching groove 20. The punch positioning hole 19 is used for positioning, and the punch seat 16 will not enter the inside of the punch positioning hole 19 when being pressed down. The punching groove 20 is used for punching, and the punch seat 17 will enter the inside of the punching groove 20 when being pressed down.

[0035] With reference to Figure 1 The front end of the case 1 is provided with a discharge chute 10, and the side end of the case 1 is provided with a control console 12. When punching, the metal pipe fitting scraps will fall into the inside of the discharge chute 10 from the punching groove 20. The control console 12 can facilitate the control of the staff on the equipment.

[0036] With reference to Figure 1The front end of the cabinet 1 and below the discharge chute 10 is provided with an access door 11. The access door 11 can facilitate the maintenance of the equipment by the staff.

[0037] With reference to Figure 1 The surface of the cabinet 1 and the side end of the rack 2 is fixedly connected with a connecting rod 8, and the surface of the connecting rod 8 is rotatably connected with a baffle 9. The baffle 9 can rotate on the surface of the connecting rod 8 to protect the side end of the stamping equipment.

[0038] The implementation principle of the metal stamping device for platform guardrail is as follows: the rack 2 is used for mounting the hydraulic rod 3, and the starting of the hydraulic rod 3 can drive the upper pressing table 4 to move up and down. The lower end of the upper pressing table 4 is provided with replaceable pressing tool holder 16 and punching seat 17, which can punch and punch the metal pipe. When facing different sizes of pipe, different sizes of upper and lower molds and matching stamping tools can be replaced. When the metal pipe is fed, the first screw rod 21 and the second screw rod 22 can be driven to rotate by rotating the rotating handle 23, and then the left limiting plate 25 and the right limiting plate 26 are adjusted to move left and right. The side end of the metal pipe is clamped and positioned by the left limiting plate 25 and the right limiting plate 26. The top end of the left limiting plate 25 and the right limiting plate 26 is opposite to the side end of the surface groove of the lower mold seat 18, so that the metal pipe can be quickly positioned to the stamping groove position, improving the speed and accuracy of positioning and installation. Before stamping, the position of the lower limiting seat 29 can be adjusted by sliding the sliding plate 27, and then the lower limiting seat 29 is adjusted to the rear end surface of the metal pipe by rotating the threaded handle 28, so as to increase the downward pressure on the rear end of the metal pipe and prevent the rear end of the pipe from being raised during stamping.

[0039] When the upper mold table 5 is pressed to the surface of the lower mold seat 18, it will continue to press under the elastic force of the spring rod 15. At this time, the stamping tool will pass through the groove in the upper mold table 5 in turn to press the surface of the metal pipe. When facing different sizes of pipe, different sizes of upper and lower molds and matching stamping tools can be replaced. The front end of the pressing tool positioning hole 19 and the punching groove 20 is provided with the left limiting plate 25 and the right limiting plate 26, so that the pipe can be first sent to the pressing tool positioning hole 19 for stamping, and then sent to the punching groove 20 for punching. The pressing tool holder 16 can press the top end of the metal pipe to a customized shape, and after stamping, the pipe is sent to the punching groove 20, and then the punching seat 17 is used for punching, which is convenient for installing bolts at the top end of the guardrail pipe. The baffle 9 can rotate on the surface of the connecting rod 8 to protect the side end of the stamping equipment. Before the device faces different sizes of metal guardrail pipe, the auxiliary limiting feeding device can be quickly adjusted to limit the side end and the top of the rear end of the metal pipe, so that the top is quickly positioned to the lower end of the stamping device, improving the production efficiency and processing precision.

[0040] The above examples are only used to illustrate the technical solutions of the present application, but not to limit the same; although the present application has been described in detail with reference to the foregoing examples, it should be understood by those of ordinary skill in the art that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A metal punching device for platform guardrails, comprising a cabinet (1), characterized in that: The surface of the case (1) is fixedly installed with a rack (2), the surface of the case (1) and the lower end of the rack (2) are fixedly installed with a lower mounting plate (6), the front end of the lower mounting plate (6) is fixedly connected with a fixed seat (7), the top of the rack (2) is installed with a hydraulic rod (3), the lower end of the hydraulic rod (3) is installed with an upper pressing table (4), the lower end of the upper pressing table (4) is fixedly connected with a spring rod (15), the lower end of the spring rod (15) is fixedly connected with an upper mold table (5), the inside of the lower mounting plate (6) and the lower end of the upper mold table (5) are inserted with a lower mold seat (18), the inside of the fixed seat (7) is rotatably connected with a first lead screw (21), the top end of the first lead screw (21) is fixedly connected with a rotating handle (23), the inside of the fixed seat (7) and the side end of the first lead screw (21) are rotatably connected with a second lead screw (22), the surface of the first lead screw (21) is slidably connected with a left limiting plate (25), the surface of the second lead screw (22) is slidably connected with a right limiting plate (26), the inside of the left limiting plate (25) is slidably connected with a sliding plate (27), and the lower end of the sliding plate (27) is threadedly connected with a lower limiting seat (29).

2. A metal punching device for a platform guardrail according to claim 1, characterized in that: The surface of the first lead screw (21) is threadedly connected with a sliding seat (24), the top of the sliding seat (24) is fixedly connected with a left limiting plate (25), the inside of the sliding plate (27) is threadedly connected with a threaded handle (28), and the bottom of the threaded handle (28) is fixedly connected with a lower limiting seat (29).

3. A metal punching device for platform guardrails as claimed in claim 1, characterized in that: The inside of the upper pressing table (4) is fixedly connected with a sliding sleeve (13), and the surface of the lower mounting plate (6) and below the sliding sleeve (13) is fixedly connected with a limiting rod (14).

4. A metal punching device for a platform guardrail according to claim 1, characterized in that: The lower end of the upper pressing table (4) is installed with a pressing knife seat (16), and the lower end of the upper pressing table (4) and below the pressing knife seat (16) is installed with a punching seat (17).

5. A metal punching device for a platform guardrail according to claim 1, characterized in that: The inside of the upper mold table (5) and below the lower end of the pressing knife seat (16) is provided with a pressing knife positioning hole (19), the inside of the lower mold seat (18) is provided with a pressing knife positioning hole (19), the surface of the upper mold table (5) and below the lower end of the punching seat (17) is provided with a punching groove (20), and the inside of the lower mold seat (18) is provided with a punching groove (20).

6. A metal punching device for platform guardrails as defined in claim 1, characterized in that: The front end of the case (1) is provided with a discharging groove (10), and the side end of the case (1) is installed with a control console (12).

7. A metal punching device for platform guardrails as claimed in claim 6, characterized in that: The front end of the case (1) and below the discharging groove (10) is installed with an access door (11).

8. A metal punching device for a platform guardrail according to claim 1, characterized in that: The surface of the case (1) and below the side end of the rack (2) is fixedly connected with a connecting rod (8), and the surface of the connecting rod (8) is rotatably connected with a baffle (9).

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