CN112756521A - Flat split pin forming tool - Google Patents
Flat split pin forming tool Download PDFInfo
- Publication number
- CN112756521A CN112756521A CN201911066389.9A CN201911066389A CN112756521A CN 112756521 A CN112756521 A CN 112756521A CN 201911066389 A CN201911066389 A CN 201911066389A CN 112756521 A CN112756521 A CN 112756521A
- Authority
- CN
- China
- Prior art keywords
- module
- forming
- arc
- cotter pin
- flat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000003825 pressing Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 13
- 238000000465 moulding Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 8
- 238000007493 shaping process Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241001136800 Anas acuta Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
- B21G7/00—Making pins of U-like shape or split-pins
- B21G7/08—Making pins of U-like shape or split-pins of split-pins, e.g. cotter-pins
Abstract
The invention provides a flat split pin forming tool, which comprises a base and a forming part, wherein the forming part comprises a forming module and a forming round pin which are fixedly arranged on the base, the forming module comprises a first module and a second module which are oppositely arranged, the first ends of the first module and the second module are hinged, the second ends of the first module and the second module are free ends, a first arc-shaped groove is arranged on the first module, a second arc-shaped groove is arranged on the second module, the first arc-shaped groove and the second arc-shaped groove jointly define the outline of the flat split pin when the second end of the first module is contacted with the second end of the second module, the forming round pin is arranged between the first arc-shaped groove and the second arc-shaped groove, through the arrangement of the base and the forming part, the processing procedure is reduced, and only a first pressing module is required to be installed, the production efficiency is improved, and the labor cost is reduced.
Description
Technical Field
The invention relates to a mechanical forming technology, in particular to a flat cotter pin forming tool.
Background
Flat cotter pins are a common type of fastener and are widely used on a variety of mechanical products. The main function of the flat cotter pin is to prevent the pin shaft from falling off. The shear strength of the flat cotter pin is higher than that of the round cotter pin, so that the flat cotter pin is used for connecting various parts on the shaft of the pin shaft at the important part of the railway vehicle bogie basic brake device, particularly the flat cotter pin is used for connecting various parts on the shaft in a railway wagon brake system, and the flat cotter pin is necessary for meeting the assembly requirement and mechanical standardized production as a common accessory.
The existing forming process scheme of the flat cotter pin is divided into two procedures. As shown in fig. 1, the first step is to install an arc molding module and complete the preliminary molding of the arc of the flat cotter pin by pressing through a hydraulic press; and in the second step, replacing another molding module and then integrally molding the flat cotter pin.
However, the forming of the flat cotter pin in the prior art is divided into two procedures, two different molding modules need to be installed, the production efficiency is low, and the labor cost is high.
Disclosure of Invention
The invention provides a flat cotter pin forming tool which is used for solving the problems of low production efficiency and high labor cost of flat cotter pin forming processing.
The invention provides a flat split pin forming tool which comprises a base and a forming component, wherein the forming component comprises a forming module and a forming round pin which are fixedly arranged on the base; the forming module comprises a first module and a second module which are arranged oppositely, the first ends of the first module and the second module are hinged, the second ends of the first module and the second module are free ends, a first arc-shaped groove is formed in the first module, a second arc-shaped groove is formed in the second module, the second end of the first module is in contact with the second end of the second module, the first arc-shaped groove and the second arc-shaped groove define the outline of the flat split pin together, and the forming round pin is arranged between the first arc-shaped groove and the second arc-shaped groove.
Optionally, the slide block is slidably disposed on the base, an output end of the driving device is connected to the slide block, a forming groove matched with the first module and the second module is formed in the slide block, and the forming groove can be abutted against the outer sides of the first module and the second module when the slide block moves, so that the first module and the second module are gradually accommodated in the forming groove.
Optionally, an arc chamfer is arranged between the end face of the forming groove, which is in contact with the first module and the second module, and the side face of the forming groove.
Optionally, a slide rail is arranged on the base, and the slide block is arranged on the slide rail; the driving device is a hydraulic driving device or a pneumatic driving device.
Optionally, the device further comprises a resetting device, the resetting device is connected with the free ends of the first module and the second module, and the resetting device is used for separating the first module and the second module from each other.
Optionally, the resetting device includes a first spring and a second spring, one end of the first spring is fixedly connected to the base, the other end of the first spring is connected to the free end of the first module, one end of the second spring is fixedly connected to the base, and the other end of the second spring is connected to the free end of the second module.
Optionally, a first through hole is formed in the first module, a second through hole is formed in the second module, and the first end of the pin shaft penetrates through the first through hole and the second through hole and then is fixedly connected to the base, so that the first module and the second module are hinged and fixed.
Optionally, the hinge pin further comprises a positioning block arranged in parallel with the base, the second end of the hinge pin is connected with the positioning block, and the forming round pin is fixedly arranged on the positioning block.
Optionally, a positioning baffle is further arranged on the base.
Optionally, a discharge chute is further arranged on the base, and the discharge chute is located below the forming module.
The invention provides a flat cotter pin forming tool which comprises a base and a forming component, wherein the forming component comprises a forming module and a forming round pin which are fixedly arranged on the base; the forming module comprises a first module and a second module which are arranged oppositely, the first ends of the first module and the second module are hinged, the second ends of the first module and the second module are free ends, a first arc-shaped groove is formed in the first module, a second arc-shaped groove is formed in the second module, the second end of the first module is in contact with the second end of the second module, the first arc-shaped groove and the second arc-shaped groove jointly limit the outline of the flat split pin, the forming round pin is arranged between the first arc-shaped groove and the second arc-shaped groove, machining procedures are reduced through the arrangement of the base and the forming part, only the forming module is required to be installed once, the production efficiency is improved, and the labor cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a prior art flat cotter pin formation;
FIG. 2 is a schematic structural view of a flat cotter pin forming tool according to an embodiment;
FIG. 3 is a schematic view of a loading location of a flat cotter pin forming tool according to an embodiment;
FIG. 4 is a schematic view of the flat cotter pin forming tool according to one embodiment of the invention;
FIG. 5 is a schematic structural view of a second flat cotter pin forming tool according to an embodiment;
FIG. 6 is a schematic view of the loading and positioning of the second flat cotter pin forming tool in the embodiment;
FIG. 7 is a schematic view of the second flat cotter pin forming tool according to the embodiment;
fig. 8 is a schematic view of a forming module.
Reference numerals:
1: a base;
2: forming a module;
21: a first module;
22: a second module;
211: a first arc-shaped slot;
221: a second arc-shaped slot;
23: a pin shaft;
3: forming a round pin;
4: positioning blocks;
5: positioning a baffle plate;
6: a slider;
7: forming a groove;
8: a discharge chute;
9: a spring;
10: the flat cotter pin material is to be formed.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The cotter pin is a metal fastener, commonly known as a spring pin and a safety pin. The cotter pin is usually made of high-quality steel and good-elasticity materials. The split pin is mainly applied to locking of threaded connection. After the nut is screwed down, the cotter pin is inserted into the nut groove and the bolt tail hole, and the cotter pin tail plate is opened to prevent the relative rotation of the screw thread and the bolt.
Flat cotter pins are a common cotter pin and are widely used in a variety of mechanical products. The main function of the flat cotter pin is to prevent the pin shaft from falling off. The shear strength of the flat cotter pin is higher than that of the round cotter pin, so that the flat cotter pin is used for connecting various parts on the shaft of the pin shaft at the important part of the railway vehicle bogie basic brake device, particularly the flat cotter pin is used for connecting various parts on the shaft in a railway wagon brake system, and the flat cotter pin is necessary for meeting the assembly requirement and mechanical standardized production as a common accessory.
Considering that the number of production requirements is large, a process arrangement capable of quickly installing the card and reducing the waiting time is needed, and therefore a tool capable of improving the efficiency is necessarily selected. However, the forming of the flat cotter pin in the prior art is divided into two procedures, two different forming modules need to be installed, the first step is to install an arc forming module, and the preliminary forming of the arc of the flat cotter pin as shown in fig. 1 is completed through pressing by a hydraulic press; and the second step of replacement, one compression and integral forming of the flat cotter pin are completed, so that the production efficiency is low and the labor cost is high.
Fig. 2 is a schematic structural diagram of a flat cotter pin forming tool according to an embodiment, fig. 3 is a schematic charging and positioning diagram of the flat cotter pin forming tool according to the embodiment, fig. 4 is a schematic charging and forming diagram of the flat cotter pin forming tool according to the embodiment, fig. 8 is a schematic forming module diagram, and according to fig. 2 and 8, according to an embodiment of the present invention, there is provided a flat cotter pin forming tool for processing a flat cotter pin, including: the device comprises a base 1 and a forming part, wherein the forming part comprises a forming module 2 and a forming round pin 3 which are fixedly arranged on the base; the forming module 2 comprises a first module 21 and a second module 22 which are arranged oppositely, the first ends of the first module 21 and the second module 22 are hinged, the second ends of the first module 21 and the second module 22 are free ends, a first arc-shaped groove 211 is arranged on the first module 21, a second arc-shaped groove 221 is arranged on the second module, the outline of the flat split pin is defined by the first arc-shaped groove 211 and the second arc-shaped groove 221 when the second end of the first module 21 and the second end of the second module 22 are closed, and the forming round pin 3 is arranged between the first arc-shaped groove 211 and the second arc-shaped groove 221.
Optionally, a first through hole is formed in the first module 21, a second through hole is formed in the second module 22, and the first end of the pin 23 passes through the first through hole and the second through hole and then is fixedly connected to the base, so that the first module 21 and the second module 22 are hinged and fixed.
When the first module 21 and the second module 22 are closed, the first arc-shaped groove 211 and the second arc-shaped groove 221 jointly form an outer profile of a circular arc of the flat cotter pin, the forming round pin 3 is used for limiting an inner profile of the circular arc part of the flat cotter pin, and the first arc-shaped groove 211, the second arc-shaped groove 221 and the forming round pin 3 jointly form an annular cavity for limiting the circular arc part of the flat cotter pin; the free end of the forming module is used for limiting two feet of the flat split pin, and then the forming of the whole flat split pin can be completed through one process only by installing the tool once.
On the basis of the flat cotter pin, the flat cotter pin further comprises a sliding block 6 and a driving device, the sliding block 6 is slidably arranged on the base 1, the output end of the driving device is connected with the sliding block 6, a forming groove 7 matched with the first module 21 and the second module 22 is formed in the sliding block 6, and the notch of the forming groove 7 can be abutted against the outer sides of the first module 21 and the second module 22 when the sliding block moves, so that the first module 21 and the second module 22 are gradually accommodated into the forming groove 7.
Specifically, drive arrangement connects the opposite side that the slider opened has the shaping groove, gives the slider power output, and the notch that the slider opened has shaping groove one side just to first forming module and second forming module for with the transmission to two forming modules of power symmetry, along with the removal drive forming module closure of slider, the articulated end of forming module is acceptd gradually to the shaping inslot of slider.
Optionally, a circular arc chamfer is arranged between the end surface of the forming groove 7, which is in contact with the first module 21 and the second module 22, and the side surface of the forming groove 7.
Furthermore, the included angle of the inner side surface and the outer side surface of the first module and the second module is 10-20 degrees, the tail end of the arc chamfer of the inner side surface of the corresponding forming groove is provided with a transition inclined surface, the included angle of the transition inclined surface and the inner side surface of the forming groove is the same as the included angle of the inner side surface and the outer side surface of the first module and the second module, on one hand, a sliding block convenient to form provides enough clamping force, on the other hand, the contact area is increased, the pressure intensity is reduced.
Specifically, when the slide 6 slides under the action of the driving device, the notch of the forming groove 7 abuts against the outer sides of the first module 21 and the second module 22, and then the forming module 2 is closed along with the further sliding of the slide 6. Sliding friction occurs between the notch of the forming groove 7 of the sliding block 6 and the forming module 2, if the notch is a right-angle notch, line-surface contact is adopted in the sliding process, the pressure is high, the sliding is not smooth, even the sliding block is blocked, the forming action cannot be completed, the sliding has high damage to the notch of the sliding block and the forming module, the free end of the forming module cannot be closed after long-term use, and the flat split pin cannot be formed; the fillet is adopted for setting, the sliding process is surface-to-surface contact, the pressure is small, the mechanical clamping is effectively avoided, the smooth forming action is ensured, meanwhile, the abrasion between the sliding block and the forming module is reduced, and the service life of the tool is prolonged.
Further, the notch of the groove 7 formed in the slider 6 can be configured as a roller structure, so that the sliding friction is changed into rolling friction, and the resistance of the rolling friction is much smaller than that of the sliding friction, and in general, the rolling friction is only 1/40 to 1/60 of the resistance of the sliding friction. Furthermore, the mechanical clamping is avoided, the smooth forming action is ensured, the abrasion between the sliding block and the forming module is reduced, and the service life of the tool is effectively prolonged. Considering that the acting force between the sliding block and the forming module is large, a steel roller with negligible elastic deformation can be adopted.
Optionally, a slide rail is arranged on the base 1, the slide block is arranged on the slide rail, and the slide rail is used for supporting and guiding the slide block to move and to reciprocate linearly in a given direction. The slide rail can be one, also can be many for parallel arrangement, corresponds on the slider to be provided with the connecting portion of being connected with the slide rail. The adoption of the slide rail improves the machining precision of a mechanical structure, prevents the slide block from laterally moving, avoids the slide track from being inclined, and ensures the forming quality of the flat cotter pin.
The driving device is a hydraulic driving device or a pneumatic driving device. The air pressure driving device takes air as a working medium, the working medium is easy to obtain, the working environment adaptability is good, and the air pressure driving device is superior to hydraulic, electronic and electric control in severe working environments such as inflammable, explosive, dusty, strong magnetic, radiation, vibration and the like. Considering that air has compressibility and the stability of working speed is slightly poor, a hydraulic driving device can be adopted, and under the condition of transmitting the same power, the hydraulic driving device has the advantages of small volume, light weight, small inertia, compact structure and flexible layout. The speed, torque and power of the hydraulic driving device can be regulated in a stepless manner, the action responsiveness is high, the reversing and speed changing can be realized rapidly, the speed regulation range is wide, the control and regulation are simple, the operation is convenient and labor-saving, and the hydraulic driving device is convenient to be matched with electrical control to realize automation.
Optionally, the device further comprises a resetting device, the resetting device is connected with the free ends of the first module and the second module, and the resetting device is used for separating the first module from the second module.
In production, after the forming action of the flat cotter pin forming tool is completed, the first module and the second module of the forming module cannot be automatically separated and need to be manually separated and reset, so that the formed flat cotter pin can be smoothly separated from the forming round pin.
Further, the resetting device is a spring 9 and comprises a first spring and a second spring, one end of the first spring is fixedly connected to the base 1, the other end of the first spring is connected to the free end of the first module 21, one end of the second spring is fixedly connected to the base 1, and the other end of the second spring is connected to the free end of the second module 22.
Specifically, when the first module 21 and the second module 22 are closed, the spring 9 is stretched to provide restoring force for restoring the first module 21 and the second module 22; when the first module and the second module are opened and filled with the material 10 of the flat cotter pin to be molded, the spring 9 is compressed to provide pre-tightening force for positioning and clamping the material of the flat cotter pin to be molded.
Optionally, a positioning baffle 5 is further disposed on the base. The outside of the first module 21 when being located the shaping module 2 and opening adopts welding or screw connection's mode fixed connection on base 1, when treating the flat split pin material 10 of shaping to pack, wears to establish between shaping module 2 and shaping round pin 3, and one end supports 5 on the locating baffle.
The first embodiment provides a flat cotter pin forming tool, which is used for processing a flat cotter pin, and as shown in fig. 3 and 4, the specific steps are as follows:
firstly, loading, wherein one end of a to-be-molded flat cotter pin material penetrates from the outer side of the second module and penetrates between the molding module and the molding round pin until the end abuts against the positioning baffle, the free ends of the first module and the second module are opened to form 180 degrees, and at the moment, the spring is compressed to provide pretightening force to clamp the to-be-molded flat cotter pin material;
forming, the output end of the driving device pushes the sliding block to slide along the sliding rail, a forming groove opening of the sliding block abuts against the outer sides of the first module and the second module, the free end of the forming module is gradually closed along with the further sliding of the sliding block, the hinged end is accommodated in the forming groove, a material of the flat split pin to be formed is extruded by the first module and the second module and is bent inwards from two ends, the first arc-shaped groove, the second arc-shaped groove and the forming round pin jointly define an arc part of the flat split pin, and the free end of the forming module is closed to define two foot parts of the flat split pin
And resetting, wherein the output end of the driving device pulls the sliding block to withdraw along the sliding rail, the first module and the second module are separated under the action of the restoring force of the spring, the free end of the forming module is opened, the first module, the second module and the sliding block are reset to the initial position, and the flat split pin for forming is taken down manually from the base to wait for the next charging and forming.
Fig. 5 is a schematic structural view of a second flat cotter pin forming tool according to the embodiment, fig. 6 is a schematic charging and positioning view of the second flat cotter pin forming tool according to the embodiment, fig. 7 is a schematic charging and forming view of the second flat cotter pin forming tool according to the embodiment, and fig. 8 is a schematic forming module view, according to fig. 3 and 8, the second embodiment of the invention provides another flat cotter pin forming tool based on the first embodiment, and the tool is used for processing a flat cotter pin.
The second embodiment of the present invention further includes, on the basis of the first embodiment: and the second end of the pin shaft 23 is connected with the positioning block 4 which is arranged in parallel with the base 1, and the forming round pin 3 is fixedly arranged on the positioning block 4.
Specifically, two ends of the shaft pin 23 are fixedly connected with the positioning block 4 and the base 1 through threads or welding modes respectively, one end of the forming round pin 3 is fixedly arranged on the positioning block 4, and the other end of the forming round pin is suspended.
Optionally, a discharge chute 8 is further arranged on the base 1, and the discharge chute 8 is located below the forming module 2.
The concrete discharge chute 8 is a through hole arranged on the base 1, a part of the suspended end of the forming round pin 3 extends into the discharge chute 8, and the discharge chute 8 extends along the straight line direction of the shaft pin 23 and the center of the positioning round pin 3.
Furthermore, the flat cotter pin of different models can be processed by replacing the forming module, the forming round pin or adjusting the position of the positioning baffle.
The second embodiment provides a flat cotter pin forming tool, which is used for processing a flat cotter pin, and comprises the following specific steps as shown in fig. 6 and 7:
firstly, loading materials, wherein one end of a to-be-molded flat cotter pin material penetrates from the outer side of a second module and is arranged between a molding module and a molding round pin in a penetrating mode, the other end of the to-be-molded flat cotter pin material is abutted against a positioning baffle, the free ends of the first module and the second module are opened to form 180 degrees, at the moment, a spring is compressed to provide pretightening force, and the to-be-molded flat cotter pin material is clamped;
forming, the output end of the driving device pushes the sliding block to slide along the sliding rail, a forming groove opening of the sliding block abuts against the outer sides of the first module and the second module, the free end of the forming module is gradually closed along with the further sliding of the sliding block, the hinged end is accommodated in the forming groove, a material of the flat split pin to be formed is extruded by the first module and the second module and is bent inwards from two ends, the first arc-shaped groove, the second arc-shaped groove and the forming round pin jointly define an arc part of the flat split pin, and the free end of the forming module is closed to define two foot parts of the flat split pin
Resetting, the output end of the driving device pulls the sliding block to withdraw along the sliding rail, the first module and the second module are separated under the action of the restoring force of the spring, the free end of the forming module is opened, the formed flat cotter pin automatically falls down from the discharging chute along the forming pin shaft, and the first module, the second module and the sliding block reset to the initial position to wait for the next charging forming.
In the present invention, unless otherwise explicitly specified or limited, terms such as "mounted," "connected," "fixed," and the like are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally formed; it can be mechanically coupled, directly coupled, indirectly coupled through intervening media, coupled between two elements, or coupled between two elements in a mutual relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically stated otherwise.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A flat cotter pin forming tool is used for processing a flat cotter pin and is characterized by comprising a base and a forming part, wherein the forming part comprises a forming module and a forming round pin which are fixedly arranged on the base; the forming module comprises a first module and a second module which are arranged oppositely, the first ends of the first module and the second module are hinged, the second ends of the first module and the second module are free ends, a first arc-shaped groove is formed in the first module, a second arc-shaped groove is formed in the second module, the second end of the first module and the second end of the second module are closed, the first arc-shaped groove and the second arc-shaped groove jointly limit the outline of the flat split pin, and the forming round pin is arranged between the first arc-shaped groove and the second arc-shaped groove.
2. The flat cotter pin forming tool according to claim 1, further comprising a slider and a driving device, wherein the slider is slidably disposed on the base, an output end of the driving device is connected with the slider, a forming groove matched with the first module and the second module is disposed on the slider, and the forming groove can abut against the outer sides of the first module and the second module when the slider moves, so that the first module and the second module are gradually accommodated in the forming groove.
3. The flat cotter pin forming tool according to claim 2, wherein a circular arc chamfer is arranged between the end surface of the forming groove, which is in contact with the first module and the second module, and the side surface of the forming groove.
4. The flat cotter pin forming tool according to claim 2, wherein a slide rail is arranged on the base, and the slide block is arranged on the slide rail; the driving device is a hydraulic driving device or a pneumatic driving device.
5. The flat cotter pin forming tool according to claim 2, further comprising a resetting device, wherein the resetting device is connected with the free ends of the first module and the second module, and the resetting device is used for separating the first module and the second module from each other.
6. The flat cotter pin forming tool according to claim 5, wherein the resetting device comprises a first spring and a second spring, one end of the first spring is fixedly connected to the base, the other end of the first spring is connected to the free end of the first module, one end of the second spring is fixedly connected to the base, and the other end of the second spring is connected to the free end of the second module.
7. The flat cotter pin forming tool according to any one of claims 1 to 6, wherein a first through hole is formed in the first module, a second through hole is formed in the second module, and a first end of a pin shaft penetrates through the first through hole and the second through hole and then is fixedly connected to the base, so that the first module and the second module are hinged and fixed.
8. The flat cotter pin forming tool according to claim 7, further comprising a positioning block arranged in parallel with the base, wherein the second end of the pin shaft is connected with the positioning block, and the forming round pin is fixedly arranged on the positioning block.
9. The flat cotter pin forming tool according to claim 1, wherein a positioning baffle is further arranged on the base.
10. The flat cotter pin forming tool according to claim 1, wherein the base is further provided with a discharge chute, and the discharge chute is positioned below the forming module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911066389.9A CN112756521A (en) | 2019-11-04 | 2019-11-04 | Flat split pin forming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911066389.9A CN112756521A (en) | 2019-11-04 | 2019-11-04 | Flat split pin forming tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112756521A true CN112756521A (en) | 2021-05-07 |
Family
ID=75692316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911066389.9A Pending CN112756521A (en) | 2019-11-04 | 2019-11-04 | Flat split pin forming tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112756521A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040088436A (en) * | 2004-09-17 | 2004-10-16 | 강맹수 | The manufacturing method and its apparatus for a spring pin |
| CN203197090U (en) * | 2013-03-25 | 2013-09-18 | 莫森瑞(天津)机车车辆配件有限公司 | 36-type round pin flat hole manufacturing device |
| CN203370928U (en) * | 2013-07-25 | 2014-01-01 | 中国北车集团沈阳机车车辆有限责任公司 | Flat split pin forming die |
| CN103480780A (en) * | 2013-10-11 | 2014-01-01 | 隆昌华兴铁路配件有限公司 | Device and process for forming wagon braking flat split pin |
| CN203470617U (en) * | 2013-07-22 | 2014-03-12 | 中国北车集团沈阳机车车辆有限责任公司 | Flat hole stamping mould |
| CN203791414U (en) * | 2014-01-23 | 2014-08-27 | 杭州盾牌链条有限公司 | Automatic bending device of chain U-shaped chain plates |
| CN105537335A (en) * | 2015-12-30 | 2016-05-04 | 浙江金中利制冷设备有限公司 | Full-automatic copper pipe accessory pipe bending machine and pipe bending process thereof |
| CN206527275U (en) * | 2017-03-10 | 2017-09-29 | 浙江中宁建设有限公司 | A kind of bender |
| CN208178311U (en) * | 2018-04-04 | 2018-12-04 | 青岛佳盛方圆五金有限公司 | bending machine |
-
2019
- 2019-11-04 CN CN201911066389.9A patent/CN112756521A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040088436A (en) * | 2004-09-17 | 2004-10-16 | 강맹수 | The manufacturing method and its apparatus for a spring pin |
| CN203197090U (en) * | 2013-03-25 | 2013-09-18 | 莫森瑞(天津)机车车辆配件有限公司 | 36-type round pin flat hole manufacturing device |
| CN203470617U (en) * | 2013-07-22 | 2014-03-12 | 中国北车集团沈阳机车车辆有限责任公司 | Flat hole stamping mould |
| CN203370928U (en) * | 2013-07-25 | 2014-01-01 | 中国北车集团沈阳机车车辆有限责任公司 | Flat split pin forming die |
| CN103480780A (en) * | 2013-10-11 | 2014-01-01 | 隆昌华兴铁路配件有限公司 | Device and process for forming wagon braking flat split pin |
| CN203791414U (en) * | 2014-01-23 | 2014-08-27 | 杭州盾牌链条有限公司 | Automatic bending device of chain U-shaped chain plates |
| CN105537335A (en) * | 2015-12-30 | 2016-05-04 | 浙江金中利制冷设备有限公司 | Full-automatic copper pipe accessory pipe bending machine and pipe bending process thereof |
| CN206527275U (en) * | 2017-03-10 | 2017-09-29 | 浙江中宁建设有限公司 | A kind of bender |
| CN208178311U (en) * | 2018-04-04 | 2018-12-04 | 青岛佳盛方圆五金有限公司 | bending machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6778368B2 (en) | Hydraulic molding machine and metal ball molding machine | |
| CN108480498B (en) | Stamping feeding manipulator and clamping mechanism thereof | |
| CN109079486B (en) | Elastic ring press, elastic ring and shaft assembly machine and processing method thereof | |
| CN209812347U (en) | Grabbing mechanism capable of quickly adjusting positions of clamping jaws | |
| CN112756521A (en) | Flat split pin forming tool | |
| CN111167949A (en) | Locking mechanism and bending die rapid clamping system comprising same | |
| CN102527842B (en) | Wedge mechanism with forced return device | |
| CN111408960B (en) | Self-locking type quick locking device for machine tool components | |
| CN110668357A (en) | Vertical conveyor for aluminum molds | |
| CN215746120U (en) | Automobile bolt processing is with novel high-efficient cold-heading device | |
| CN214560238U (en) | Pressing mechanism | |
| CN214393110U (en) | Jackshaft squeeze riveter | |
| CN210549703U (en) | Gantry numerical control milling machine with positioning operation function | |
| CN211330983U (en) | Double-slider mechanism for processing side bending | |
| CN215660288U (en) | Automatic model changing mechanism for sleeve by mechanical arm | |
| CN219985883U (en) | Deburring mechanism | |
| CN219746950U (en) | Pressing mechanism and processing equipment | |
| CN214238026U (en) | Disk spring's assembler | |
| CN220011781U (en) | Rail clamping device for elevator installation and maintenance | |
| CN220055530U (en) | Feeding device for precision part machining | |
| CN109500117A (en) | A kind of drawbench fixture | |
| CN218340923U (en) | Forging die | |
| CN109094883A (en) | Push away punch-out equipment | |
| CN220596805U (en) | Lifting appliance | |
| CN216066487U (en) | Spring hook long-section clamping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210507 |
|
| RJ01 | Rejection of invention patent application after publication |