Stamping device for precise impact-resistant expansion joint

Abstract

The utility model relates to the technical field of expansion joint production, in particular to a precise impact-resistant punching device for expansion joints, which comprises a mounting plate, mounting openings are formed in the left side and the right side of the top of the mounting plate, and inner cavities of the left mounting opening and the right mounting opening are fixedly connected with a driving motor and a supporting sliding rod respectively. The surfaces of the driving lead screw and the supporting sliding rod are movably sleeved with a discharging mechanism. The die moves forwards to the forefront, a second electric push rod is controlled to push a clamping plate to position the four edges of the steel plate, the steel plate on the lower die moves backwards to the rearmost side, a hydraulic push rod works to push a stamping die to conduct stamping machining on the steel plate, and a first electric push rod pushes a material pushing plate to push out the steel plate. The steel plates incline backwards and fall into the material collecting box to be collected, in this way, the automatic discharging function can be achieved, manual material taking by workers is not needed, the labor intensity of the workers is relieved, meanwhile, the workers do not need to place materials below the stamping die, and the feeding process is safer.

Description

Technical Field

[0001] The utility model relates to the technical field of expansion joint production, in particular to a punching device for precision impact-resistant expansion joints. Background Art

[0002] An expansion joint refers to a structural joint set up at an appropriate position along the construction joint direction of a building or structure to prevent cracks or damage to the structure due to changes in climate and temperature. The expansion joint is made by assembling and welding various steel materials. Some steel materials need to be processed using stamping equipment before they can be assembled.

[0003] After searching, the patent number is CN218693358U, and the name is a utility model for a metal lamp holder stamping device, which includes a mounting base, and an upper support frame is fixedly connected to the top of the mounting base. Through research and analysis, it is found that although splashing during stamping is avoided to cause injury to personnel, it provides limited protection, and when the connecting plate rises, the I-shaped moving plate descends together, making it easier for personnel to pick up the parts. However, the following defects still exist to a certain extent.

[0004] For example, it is inconvenient to take the material after the stamping process is completed. The above-mentioned stamping device requires personnel to manually take the material, which increases the labor intensity of the personnel, and the personnel need to place the material under the stamping die. In this way, if an error occurs, it may press the personnel's palm, and there is a risk of injury. At the same time, it is not convenient to quickly disassemble and assemble the upper stamping die, and personnel need to use tools to operate, which affects the replacement efficiency. In order to solve the above technical problems, we have designed a stamping device for precision impact-resistant expansion joints. Utility Model Content

[0005] The purpose of the utility model is to provide a punching device for precision impact-resistant expansion joints, which has the function of automatic unloading, reduces the labor intensity of personnel, improves the safety during the work process, and facilitates the disassembly, assembly and replacement of the punching die. It solves the problem that the automatic unloading function is not provided, the labor intensity of personnel is increased, there is a risk of injury, and it is not convenient to quickly disassemble, assemble and replace the punching die.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stamping device for precision impact-resistant expansion joints, comprising a mounting plate, mounting openings are provided on both sides of the top of the mounting plate, the inner cavities of the left and right mounting openings are respectively fixedly connected to a driving motor and a supporting slide bar, the output end of the driving motor is fixedly connected to a driving screw, the surface movable sleeves of the driving screw and the supporting slide bar are provided with a discharge mechanism, the bottom of the discharge mechanism is connected to a first electric push rod by bolts, the top of the first electric push rod is fixedly connected to a push plate, the top of the mounting plate is connected to a hydraulic push rod by bolts, the bottom of the hydraulic push rod is connected to a positioning mechanism by bolts, the bottom of the positioning mechanism is plugged with a connecting plug plate, the bottom of the connecting plug plate is fixedly connected to a stamping die, and a blanking opening is provided on the rear side of the top of the mounting plate.

[0007] Preferably, the discharge mechanism includes a lower mold, and a second electric push rod is fixedly connected to the front and back and left and right sides of the top of the lower mold, the output end of the second electric push rod is connected to a clamping plate by bolts, and the left and right sides of the bottom of the lower mold are fixedly connected to a supporting slide plate.

[0008] Preferably, the positioning mechanism includes a plug-in shell, plug-in grooves are provided on the left and right sides of the bottom of the plug-in shell, connecting slides are slidably connected to the left and right sides of the inner cavity of the plug-in shell, a positioning spring is fixedly connected between the left and right connecting slides, a positioning plug plate is fixedly connected to the outer side of the connecting slide, the outer sides of the positioning plug plate respectively penetrate the plug-in shell and the connecting plug plate, sliding openings are provided on the front and rear sides of the inner cavity of the plug-in shell, and the front and rear sides of the connecting slide respectively penetrate to the outer sides of the front and rear sliding openings and are fixedly connected with push plates.

[0009] Preferably, support grooves are provided on both left and right sides of the top of the mounting plate, the surface of the drive screw is movably connected to the mounting opening on the left side through a bearing, and the surface of the drive screw is threadedly connected to the left side of the bottom of the discharge mechanism.

[0010] Preferably, the rear sides of the left and right sides of the top of the mounting plate are fixedly connected to limiting baffles, the four corners of the bottom of the mounting plate are fixedly connected to support columns, a reinforcing base plate is welded to the bottom between the left and right support columns, the rear sides of the left and right sides of the top of the reinforcing base plate are fixedly connected to limiting vertical plates, and a collection box is slidably connected between the left and right limiting vertical plates.

[0011] Preferably, the top of the push plate extends to the inner cavity of the discharge mechanism, and plug-in openings are provided on both the left and right sides of the connecting plug plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The mold moves forward to the front, controls the second electric push rod to push the clamping plate to position the four sides of the steel plate, and the steel plate on the lower mold moves back to the rear side. The hydraulic push rod works to push the stamping mold to stamp the steel plate. The first electric push rod pushes the push plate to push the steel plate out. The steel plate tilts backward and falls into the collecting box for collection. This can have the function of automatic unloading, without the need for manual material removal by personnel, reducing the labor intensity of personnel, and at the same time, without the need for personnel to place materials under the stamping mold, making the loading process safer.

[0014] 2. Push the connecting slides on both sides, and the positioning plugs on both sides are moved out of the plug-in openings. The personnel can remove the stamping die from the bottom of the positioning mechanism. This makes disassembly and replacement more convenient and quick, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an axonometric drawing of the structure of the utility model;

[0016] Figure 2 It is a rear view and top view axonometric drawing of the local structure of the utility model;

[0017] Figure 3 It is a rear axonometric view of the mounting plate and the material discharge mechanism of the utility model;

[0018] Figure 4 It is a sectional isometric view of the lower mold of the utility model;

[0019] Figure 5 It is a bottom-view sectional axonometric drawing of the plug-in housing of the utility model.

[0020] In the figure: 1. mounting plate; 2. stamping die; 3. hydraulic push rod; 4. positioning mechanism; 5. discharge mechanism; 6. driving screw; 7. reinforcing bottom plate; 8. supporting slide groove; 9. supporting slide rod; 10. limiting vertical plate; 11. collecting box; 12. limiting baffle; 13. driving motor; 14. clamping plate; 15. second electric push rod; 16. supporting slide plate; 17. mounting opening; 18. lower die; 19. push plate; 20. first electric push rod; 21. plug-in slot; 22. connecting slide plate; 23. positioning spring; 24. plug-in shell; 25. positioning plug-in plate; 26. connecting plug-in plate; 27. plug-in opening. DETAILED DESCRIPTION

[0021] See also Figure 1-Figure 5A punching device for precision impact-resistant expansion joints comprises a mounting plate 1, mounting openings 17 are provided on both left and right sides of the top of the mounting plate 1, a driving motor 13 and a supporting slide bar 9 are fixedly connected to the inner cavities of the left and right mounting openings 17 respectively, a driving screw 6 is fixedly connected to the output end of the driving motor 13, a discharging mechanism 5 is movably sleeved on the surface of the driving screw 6 and the supporting slide bar 9, a first electric push rod 20 is bolted to the bottom of the discharging mechanism 5, a push plate 19 is fixedly connected to the top of the first electric push rod 20, a hydraulic push rod 3 is bolted to the top of the mounting plate 1, a positioning mechanism 4 is bolted to the bottom of the hydraulic push rod 3, a connecting plug plate 26 is plugged to the bottom of the positioning mechanism 4, a stamping die 2 is fixedly connected to the bottom of the connecting plug plate 26, a discharging opening is provided on the rear side of the top of the mounting plate 1;

[0022] See also Figure 3 The discharge mechanism 5 includes a lower mold 18, and the front and rear and left and right sides of the top of the lower mold 18 are fixedly connected with a second electric push rod 15, and the output end of the second electric push rod 15 is connected with a clamping plate 14 by bolts. The left and right sides of the bottom of the lower mold 18 are fixedly connected with a support slide 16. By setting the support slide 16, it has a supporting function. When stamping, the support slide 16 can support the lower mold 18 to avoid bending the driving screw 6 and the support slide 9 during the stamping process. The support slide 16 moves back and forth in the support slide 8 and is coated with grease inside to ensure smoother movement;

[0023] See also Figure 5 The positioning mechanism 4 includes a plug-in shell 24, and plug-in grooves 21 are provided on the left and right sides of the bottom of the plug-in shell 24. The left and right sides of the inner cavity of the plug-in shell 24 are slidably connected with connecting slides 22. A positioning spring 23 is fixedly connected between the left and right connecting slides 22. The outer side of the connecting slide 22 is fixedly connected with a positioning plug plate 25. The outer sides of the positioning plug plate 25 respectively penetrate the plug-in shell 24 and the connecting plug plate 26. The front and rear sides of the inner cavity of the plug-in shell 24 are provided with sliding openings. The front and rear sides of the connecting slide 22 respectively penetrate the outer sides of the front and rear sliding openings and are fixedly connected with push plates. By setting the positioning spring 23, the positioning plug plates 25 on both sides can be pushed into the plug-in openings 27 on both sides by releasing the elastic force, and the installation is more convenient and quick;

[0024] See also Figure 2 , support grooves 8 are provided on both the left and right sides of the top of the mounting plate 1, the surface of the driving screw 6 is movably connected to the mounting opening 17 on the left side through a bearing, and the surface of the driving screw 6 is threadedly connected to the left side of the bottom of the discharge mechanism 5;

[0025] See also Figure 2The rear sides of the left and right sides of the top of the mounting plate 1 are fixedly connected to the limited baffles 12, the four corners of the bottom of the mounting plate 1 are fixedly connected to the support columns, the bottom between the left and right support columns is welded with a reinforcing bottom plate 7, the rear sides of the left and right sides of the top of the reinforcing bottom plate 7 are fixedly connected to the limited vertical plates 10, and the collection box 11 is slidably connected between the left and right limited vertical plates 10. By setting the limited vertical plates 10, it has a limiting function, which can limit the placement position of the collection box 11 to avoid deviation;

[0026] See also Figure 4 and Figure 5 The top of the push plate 19 extends to the inner cavity of the discharge mechanism 5, and the left and right sides of the connecting plug plate 26 are both provided with plug-in openings 27.

[0027] When in use, connect the device to an external power supply and a controller, and control the driving motor 13 to drive the driving screw 6 to rotate forward, so that the lower mold 18 with a surface thread sleeve moves forward. When it moves to the front, the driving motor 13 stops working, and then the second electric push rods 15 on the four sides are adjusted according to the size of the steel plate, and the four sides of the steel plate are positioned by controlling the second electric push rods 15 to push the clamping plate 14, and then the driving motor 13 is controlled to drive the driving screw 6 to reverse, and the steel plate on the lower mold 18 moves to the rear side. At this time, the steel plate is located directly below the stamping die 2, and the hydraulic push rod 3 is controlled to work to push the stamping die 2 downward to perform stamping processing on the steel plate. After the stamping is completed, the first electric push rod 15 is controlled to work to push the stamping die 2 downward to perform stamping processing on the steel plate. The push rod 20 pushes the push plate 19 to move upward to push out the stamped steel sheet in the lower mold 18. Since the top of the push plate 19 is an inclined surface, the steel plate tilts backward and slides after being pushed out, and finally falls into the collecting box 11 for collection, so that it can have the function of automatic unloading, and there is no need for personnel to manually take materials, which reduces the labor intensity of personnel. At the same time, there is no need for personnel to place materials under the stamping mold 2, making the loading process safer. When the stamping mold 2 needs to be replaced, the connecting slides 22 on both sides are pushed. At this time, the positioning plug plates 25 on both sides are moved out of the plug-in openings 27, and then the personnel can remove the stamping mold 2 from the bottom of the positioning mechanism 4. In this way, disassembly and replacement are more convenient and quick, saving time and effort.

[0028] To sum up: the stamping device for precision impact-resistant expansion joints, through the coordinated use of the mounting plate 1, the stamping die 2, the hydraulic push rod 3, the positioning mechanism 4, the discharge mechanism 5, the driving screw 6, the driving motor 13, the push plate 19 and the first electric push rod 20, solves the problems of lack of automatic unloading function, increased labor intensity of personnel, risk of injury, and inconvenience in rapid disassembly, assembly and replacement of the stamping die.

Claims

1. A punching device for precision impact-resistant expansion joints, comprising a mounting plate (1), characterized in that: The left and right sides of the top of the mounting plate (1) are both provided with mounting openings (17), the inner cavities of the left and right mounting openings (17) are respectively fixedly connected with a driving motor (13) and a supporting slide bar (9), the output end of the driving motor (13) is fixedly connected with a driving screw rod (6), the surfaces of the driving screw rod (6) and the supporting slide bar (9) are movably sleeved with a material discharge mechanism (5), the bottom of the material discharge mechanism (5) is connected with a first electric push rod (20) by bolts, the top of the first electric push rod (20) is fixedly connected with a push plate (19), the top of the mounting plate (1) is connected with a hydraulic push rod (3) by bolts, the bottom of the hydraulic push rod (3) is connected with a positioning mechanism (4) by bolts, the bottom of the positioning mechanism (4) is plugged with a connecting plug plate (26), the bottom of the connecting plug plate (26) is fixedly connected with a stamping die (2), and the rear side of the top of the mounting plate (1) is provided with a material discharge opening.

2. A punching device for precision impact-resistant expansion joints according to claim 1, characterized in that: The discharge mechanism (5) comprises a lower mold (18), the front and rear sides and the left and right sides of the top of the lower mold (18) are fixedly connected to a second electric push rod (15), the output end of the second electric push rod (15) is connected to a clamping plate (14) by bolts, and the left and right sides of the bottom of the lower mold (18) are fixedly connected to a supporting slide plate (16).

3. A punching device for precision impact-resistant expansion joints according to claim 1, characterized in that: The positioning mechanism (4) comprises a plug-in shell (24), the left and right sides of the bottom of the plug-in shell (24) are provided with plug-in grooves (21), the left and right sides of the inner cavity of the plug-in shell (24) are slidably connected with connecting slides (22), a positioning spring (23) is fixedly connected between the left and right connecting slides (22), the outer side of the connecting slide (22) is fixedly connected with a positioning plug plate (25), the outer side of the positioning plug plate (25) respectively penetrates the plug-in shell (24) and the connecting plug plate (26), the front and rear sides of the inner cavity of the plug-in shell (24) are provided with sliding openings, the front and rear sides of the connecting slide (22) respectively penetrate to the outer sides of the front and rear sliding openings and are fixedly connected with push plates.

4. A punching device for precision impact-resistant expansion joints according to claim 1, characterized in that: Support grooves (8) are provided on both left and right sides of the top of the mounting plate (1), the surface of the driving screw rod (6) is movably connected to the mounting opening (17) on the left side via a bearing, and the surface of the driving screw rod (6) is threadedly connected to the left side of the bottom of the discharge mechanism (5).

5. A punching device for precision impact-resistant expansion joints according to claim 1, characterized in that: The rear sides of the left and right sides of the top of the mounting plate (1) are fixedly connected to limit baffles (12), the four corners of the bottom of the mounting plate (1) are fixedly connected to support columns, a reinforcing bottom plate (7) is welded to the bottom between the left and right support columns, the rear sides of the left and right sides of the top of the reinforcing bottom plate (7) are fixedly connected to limit vertical plates (10), and a collection box (11) is slidably connected between the left and right limit vertical plates (10).

6. A punching device for precision impact-resistant expansion joints according to claim 1, characterized in that: The top of the push plate (19) extends to the inner cavity of the discharge mechanism (5), and the left and right sides of the connecting plug plate (26) are both provided with plug-in openings (27).

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