Quick positioning mounting seat for punch press

Abstract

The application discloses a quick positioning mounting seat for a punch machine tool, which comprises a quick positioning mounting seat installed on a vertical movement platform, wherein the quick positioning mounting seat comprises a quick mounting plate, an adapter flange and a fixed mounting bottom plate; the fixed mounting bottom plate is installed on the upper end of the vertical movement platform; the adapter flange is installed on the upper end of the fixed mounting bottom plate through a breakable screw and a floating steel ball mechanism; and the quick mounting plate is slidingly installed on the lower end face of the upper flange of the adapter flange. The device converts the impact force generated when impacting into a torsion force through the adapter flange; when the torsion force is large enough (i.e. the impact force is large enough), the breakable screw is sheared and broken, so that the fixed mounting bottom plate is disconnected from the adapter flange, the force is prevented from being continuously transmitted, the vertical movement support platform is effectively protected, the floating steel ball mechanism and through holes and locking holes with different sizes are arranged, the quick positioning of the device is realized, and the disassembly and assembly are simplified.

Description

Technical Field

[0001] This invention relates to a quick-positioning mounting base for a stamping machine. Background Technology

[0002] Nowadays, some stamping machines that use a horizontal direction to stamp parts usually mount the parts and molds directly onto a vertical motion support platform to achieve the positioning and load-bearing of the parts.

[0003] When using this type of machine tool to process axisymmetric thin-walled shell parts, collisions with the mold often occur during tool setting and machining. This not only damages the mold but also the high-value vertical motion support platform. The repair cost of the vertical motion support platform is high and the cycle is long, resulting in significant economic losses and affecting subsequent production. In addition, the positioning and alignment of this type of machine tool is cumbersome and requires frequent disassembly, which accounts for the majority of the total manual operation time. Therefore, optimizing this part of the operation can not only improve work efficiency but also effectively reduce labor costs. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a quick-positioning mounting base for a stamping machine tool. This device, by adding an adapter flange, converts the impact force generated during impact into torque, which is then balanced by friction, preventing the force from being transmitted downwards and effectively protecting the vertical movement support platform. Furthermore, a floating steel ball mechanism and through holes and locking holes of different sizes are provided between the fixed mounting plate and the adapter flange to achieve quick positioning and facilitate assembly and disassembly.

[0005] To achieve the above objectives, the present invention employs the following technical solutions:

[0006] A quick-positioning mounting base for a stamping machine tool includes a quick-positioning mounting base mounted on a vertical motion platform. A mold is mounted on the upper end of the quick-positioning mounting base via a double-ended stud and a hexagonal flange nut. The quick-positioning mounting base includes a quick-release plate, a transition flange, and a fixed mounting base plate. The fixed mounting base plate is mounted on the upper end of the vertical motion platform. The transition flange is mounted on the upper end of the fixed mounting base plate via a break-off screw and a floating steel ball mechanism. The quick-release plate is slidably mounted on the lower end face of the upper flange of the transition flange.

[0007] As a preferred embodiment, the floating steel ball mechanism includes a steel ball, a spring column, and a spring. The fixed mounting base plate has a stepped countersunk hole. The spring column and the spring are installed inside the stepped countersunk hole. The steel ball is fixedly connected to the spring column and located at the port of the stepped countersunk hole. The lower end face of the adapter flange has a V-shaped positioning surface that can engage with the steel ball.

[0008] Further preferably, the floating steel ball mechanism is configured in three groups.

[0009] As a preferred embodiment, the fixed mounting base plate has a countersunk hole for impact breaking at the mounting hole of the impact breaking screw, and the diameter of the threaded section of the impact breaking screw located in the countersunk hole area is smaller than the diameter of other threaded sections.

[0010] As a preferred embodiment, the quick-release plate and the adapter flange have through holes of the same position and diameter. The quick-release plate has a locking hole that communicates with the through holes. The diameter of the through hole is larger than the flange diameter of the hexagonal flange nut, and the diameter of the locking hole is smaller than the flange diameter of the hexagonal flange nut but larger than the thread diameter of the stud.

[0011] As a preferred embodiment, the lower end of the quick-release plate is connected to a handle ball.

[0012] As a preferred embodiment, the fixed mounting base plate, adapter flange, and quick-release plate are all configured in a C-shape.

[0013] The present invention has the following advantages:

[0014] 1. When subjected to abnormal horizontal impact, the impact force is converted into torque, and the impact-breaking screw will break due to shearing, thus disconnecting the connection between the fixed mounting base plate and the adapter flange, preventing the force from being transmitted downwards, and effectively protecting the vertical motion support platform.

[0015] Second, by setting up three sets of floating steel ball mechanisms, the device can be quickly positioned simply by rotating the transfer flange after it is placed on the fixed mounting base plate.

[0016] Third, by setting different sized through holes and locking holes, the need to remove and remove the hexagonal flange nut on the double-ended stud is avoided every time the mold is loaded or unloaded, which significantly reduces the time spent on manual operation and improves work efficiency. Attached Figure Description

[0017] Figure 1 This is a structural diagram of the mounting position of a quick-positioning mounting base for a stamping machine.

[0018] Figure 2 This is a structural diagram of a quick-positioning mounting base for a stamping machine tool.

[0019] Figure 3 This is a schematic diagram of a floating steel ball mechanism for a quick-positioning mounting base used in a stamping machine.

[0020] Figure 4 This is a schematic diagram of the structure of a quick-positioning mounting seat for a stamping machine tool where the screw is broken.

[0021] Figure 5 This is a schematic diagram of the mold assembly and disassembly structure of a quick-positioning mounting base for a stamping machine tool.

[0022] Figure 6 This is a schematic diagram of the adapter flange structure for a quick-positioning mounting base used in a stamping machine.

[0023] In the diagram: workpiece 11, mold 12, quick positioning mounting base 13, vertical motion platform 14, double-ended stud 121, hexagonal flange nut 122, positioning pin 131, positioning pin 132, screw 133, quick-release plate 21, adapter flange 22, mounting base plate 23, steel ball 31, spring column 32, spring 33, break-off screw 41, handle ball 51, anti-drop bolt 52. Detailed Implementation

[0024] The present invention will now be described in detail with reference to the accompanying drawings.

[0025] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0026] Example 1:

[0027] like Figures 1-3 As shown, a quick-positioning mounting base for a stamping machine tool includes a quick-positioning mounting base 13 mounted on a vertical motion platform 14. A mold 12 is mounted on the upper end of the quick-positioning mounting base 13 via a double-ended stud 121 and a hexagonal flange face nut. The quick-positioning mounting base 13 includes a quick-release plate 21, a transition flange 22, and a fixed mounting base 23. The fixed mounting base 23 is mounted on the upper end of the vertical motion platform 14. The transition flange 22 is mounted on the upper end of the fixed mounting base 23 via a break-off screw 41 and a floating steel ball mechanism. The quick-release plate 21 is slidably mounted on the lower end face of the upper flange of the transition flange 22.

[0028] The fixed mounting base plate 23 connects the device to the vertical motion platform 14 via positioning columns 131 and positioning pins 132. The transition flange 22 is mainly used to accommodate and place the mold 12 and the workpiece 11. When the mold 12 or the workpiece 11 is subjected to abnormal horizontal impact, the transition flange 22 and the fixed mounting base plate 23, being rotating bodies, will generate a torque. The entire device is weakest at the impact-breaking screw 41, which will break due to shearing, disconnecting the connection between the fixed mounting base plate 23 and the transition flange 22. This prevents the vertical motion platform 14 from being overloaded, thus providing protection (when the force generated by the abnormal impact is small, the impact-breaking screw 41 will not break, and the force on the vertical motion platform 14 is within its safe range, with its impact within an acceptable range). The quick-release plate 21 simplifies subsequent disassembly and assembly steps after the initial installation of the device. The floating steel ball mechanism enables rapid initial positioning of the device during installation, optimizing the positioning and alignment process.

[0029] It should also be noted that the quick-release plate 21 has a groove, through which the anti-drop bolt 52 passes and connects to the adapter flange 22, which can ensure that the quick-release plate 21 will not fall off when it is connected to the adapter flange 22.

[0030] The floating steel ball mechanism includes a steel ball 31, a spring column 32, and a spring 33. The fixed mounting base plate 23 has a stepped countersunk hole. The spring column 32 and the spring 33 are installed inside the stepped countersunk hole. The steel ball 31 is fixedly connected to the spring column 32 and is located at the port of the stepped countersunk hole. The lower end face of the transition flange 22 has a V-shaped positioning surface that can be engaged with the steel ball 31.

[0031] When installing the transition flange 22, place the transition flange 22 on the fixed mounting base plate 23. If the V-shaped positioning surface is misaligned with the steel ball, the lower surface of the transition flange 22 will contact the steel ball 31 (e.g., Figure 3 (As shown before positioning), at this point, simply rotate the adapter flange 22. After the V-shaped positioning surface of the positioning groove contacts the spherical surface of the steel ball 31, it will gradually press the steel ball 31 into the stepped countersunk hole. After rotating to the predetermined position, the device can be quickly positioned (as shown). Figure 3 (As shown after positioning).

[0032] The floating steel ball mechanism is set in three groups, which makes the device evenly stressed and can easily and quickly lock the three positioning grooves with the three steel balls 31 at the same time without easily rotating them.

[0033] In this embodiment, by setting up three sets of floating steel ball mechanisms, the device can be quickly positioned simply by rotating the transition flange 22 after it is placed on the fixed mounting base plate 23.

[0034] Example 2:

[0035] like Figure 4As shown, the fixed mounting base plate 23 has a countersunk hole for the impact breaking process at the mounting hole of the impact breaking screw 41, and the diameter of the threaded section of the impact breaking screw 41 located in the countersunk hole area is smaller than the diameter of other threaded sections.

[0036] In this embodiment, to make the device more sensitive and react more quickly to the occurrence of abnormal impacts, the mounting base plate 23 is provided with a countersunk hole for the impact-breaking process at the mounting hole of the impact-breaking screw 41. The countersunk hole for the impact-breaking process is larger in diameter than the mounting screw hole and has a certain depth. Its function is to allow the screw that breaks into two pieces to separate quickly when the impact-breaking screw 41 breaks. In addition, the impact-breaking screw 41 is provided with a fracture zone at the location of the countersunk hole for the impact-breaking process. The diameter of the threaded section of the impact-breaking screw 41 in the fracture zone is smaller than the diameter of other threaded sections, making it more sensitive to abnormal impact forces. Its specific diameter is calculated based on the impact-breaking process force.

[0037] Example 3:

[0038] like Figure 5 As shown, the quick-release plate 21 and the adapter flange 22 have through holes of the same position and diameter. The quick-release plate 21 has a locking hole that communicates with the through hole. The diameter of the through hole is larger than the flange diameter of the hexagonal flange nut 122, and the diameter of the locking hole is smaller than the flange diameter of the hexagonal flange nut 122, which is larger than the thread diameter of the double-ended stud 121.

[0039] The lower end of the quick-release plate 21 is connected to a handle ball 51.

[0040] When loading and unloading the mold, because the diameter of the through hole is larger than the flange diameter of the hexagonal flange nut 122, the hexagonal flange nut 122 can pass through the through hole without being removed from the double-ended stud 121. When tightening is required, simply rotate the quick-release plate 21 by using the handle ball 51 to position the double-ended stud 121 inside the locking hole, and then tighten the hexagonal flange nut 122 to complete the tightening operation.

[0041] In this embodiment, by setting through holes and locking holes of different sizes, the hexagonal flange nut 122 on the double-ended stud 121 is not required to be removed and taken off each time the mold is loaded or unloaded, which significantly reduces the operation time and improves work efficiency, making it suitable for occasions with frequent disassembly.

[0042] The fixed mounting base plate 23, the adapter flange 22, and the quick-install plate 21 are all set in a C-shape. The C-shape design opens up a clearance area for the device, which not only provides more operating space for workpiece stamping, but also saves materials and reduces production costs.

[0043] It should also be noted that the upper surface of the fixed mounting base plate 23 has a recessed groove for installing the switch position sensor. The sensor head faces upwards and is mounted on the adapter flange 22. Figure 6As shown, the transition flange 22 is equipped with a corresponding sensor sensing surface and observation notch. When impacted, the transition flange 22 becomes misaligned, the position sensor signal is lost, and an alarm signal is sent to the stamping machine.

[0044] This invention is not limited to the specific embodiments described above. The invention extends to any new feature or combination disclosed in this specification, as well as any new method or process step or combination disclosed herein.

Claims

1. A quick-positioning mounting base for a stamping machine tool, wherein the quick-positioning mounting base is mounted on a vertical motion platform, and a die is mounted on the upper end of the quick-positioning mounting base via a double-ended stud and a hexagonal flange nut, characterized in that: The quick-mount mounting base includes a quick-release plate, an adapter flange, and a fixed mounting base plate. The fixed mounting base plate is installed on the upper end of the vertical motion platform. The adapter flange is installed on the upper end of the fixed mounting base plate via a break-off screw and a floating steel ball mechanism. When the mold or workpiece is subjected to an abnormal horizontal impact, the adapter flange and the fixed mounting base plate, being rotating bodies, will generate a torque. The quick-release plate is slidably installed on the lower end face of the upper flange of the adapter flange.

2. The quick positioning mounting base for a stamping machine tool according to claim 1, characterized in that: The floating steel ball mechanism includes a steel ball, a spring column, and a spring. The fixed mounting base plate has a stepped countersunk hole. The spring column and the spring are installed inside the stepped countersunk hole. The steel ball is fixedly connected to the spring column and located at the port of the stepped countersunk hole. The lower end face of the adapter flange has a V-shaped positioning surface that can engage with the steel ball.

3. The quick positioning mounting base for a stamping machine tool according to claim 1, characterized in that: The floating steel ball mechanism is configured in three groups.

4. A quick-positioning mounting base for a stamping machine tool according to claim 1, characterized in that: The fixed mounting base plate has a countersunk hole for impact breaking at the mounting hole of the impact breaking screw, and the diameter of the threaded section of the impact breaking screw located in the countersunk hole area is smaller than the diameter of other threaded sections.

5. A quick-positioning mounting base for a stamping machine tool according to claim 1, characterized in that: The quick-release plate and the adapter flange have through holes of the same position and diameter. The quick-release plate has a locking hole that communicates with the through holes. The diameter of the through holes is larger than the flange diameter of the hexagonal flange nut. The diameter of the locking hole is smaller than the flange diameter of the hexagonal flange nut but larger than the thread diameter of the stud.

6. A quick-positioning mounting base for a stamping machine tool according to claim 1, characterized in that: The lower end of the quick-release plate is connected to a handle ball.

7. A quick-positioning mounting base for a stamping machine tool according to claim 1, characterized in that: The fixed mounting base plate, adapter flange, and quick-release plate are all designed in a C-shape.

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