CN210936935U - Special processing equipment for flange bolts - Google Patents
Special processing equipment for flange bolts Download PDFInfo
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- CN210936935U CN210936935U CN201921348439.8U CN201921348439U CN210936935U CN 210936935 U CN210936935 U CN 210936935U CN 201921348439 U CN201921348439 U CN 201921348439U CN 210936935 U CN210936935 U CN 210936935U
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Abstract
The utility model discloses a flange bolt special processing equipment aims at providing a simple structure, and the cost of manufacture is low, can effectively reduce bolt cold-heading fashioned manufacturing cost's flange bolt special processing equipment. The device comprises a base, wherein the base comprises a lower substrate, an upper substrate and a connecting piece for connecting the upper substrate and the lower substrate; the lifting device comprises a vertical guide rod arranged on the upper base plate, a lifting frame lifting along the vertical guide rod and a lifting execution mechanism used for lifting the lifting frame; the cold heading die comprises a main die arranged on the upper base plate and a stamping die arranged on the lifting frame; and the self-adaptive linkage type ejection mechanism comprises a horizontal guide rail arranged on the lifting frame, a sliding block sliding along the horizontal guide rail, a vertical pull rod connected with the sliding block, an annular stop block arranged on the supporting push rod and positioned below the upper base plate, and a rotating push rod used for being matched with the annular stop block to drive the supporting push rod to move upwards.
Description
Technical Field
The utility model relates to a cold-heading equipment, concretely relates to flange bolt special processing equipment.
Background
The cold heading process is one of the pressure machining processes of less or no cutting metal, and is a machining process for forming required parts or blanks by utilizing the plastic deformation of metal under the action of external force and redistributing and transferring the volume of the metal by means of a die. The cold heading process is most suitable for producing standard fasteners such as bolts, screws, rivets, pins and the like; but the structure of present bolt cold-heading equipment is complicated, and the equipment size is big, and the cost is expensive, has greatly improved the fashioned manufacturing cost of bolt cold-heading.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, the cost of manufacture is low, can effectively reduce bolt cold-heading fashioned manufacturing cost's flange bolt professional processing equipment.
The technical scheme of the utility model is that:
a special flange bolt machining device comprises: the base comprises a lower base plate, an upper base plate and a connecting piece for connecting the upper base plate and the lower base plate, wherein the upper base plate is provided with a pull rod through opening and a push rod through opening; the lifting device comprises a vertical guide rod arranged on the upper base plate, a lifting frame lifting along the vertical guide rod, an upper limiting block and a lower limiting block which are arranged on the vertical guide rod and used for limiting the lifting frame, and a lifting execution mechanism used for lifting the lifting frame; the cold heading die comprises a main die arranged on the upper base plate and a stamping die arranged on the lifting frame, the main die comprises a main module, a vertical forming through hole arranged on the main module and a support push rod arranged in the vertical forming through hole in a sliding mode, and the lower end of the support push rod penetrates through a push rod through hole and is supported on the lower base plate; the self-adaptive linkage type ejection mechanism comprises a horizontal guide rail arranged on the lifting frame, a sliding block sliding along the horizontal guide rail, a guide rail limiting block arranged on the horizontal guide rail, a fixed rod arranged on the lifting frame, a tension spring connecting the sliding block and the fixed rod, a vertical pull rod connected with the sliding block, a vertical plate arranged on the upper base plate, an annular stop block arranged on the supporting push rod and positioned below the upper base plate, and a rotating push rod matched with the annular stop block to drive the supporting push rod to move upwards, wherein the tension spring is used for driving the vertical pull rod to move towards the direction of the supporting push rod and enabling the sliding block to abut against the guide rail limiting block, the lower end of the vertical pull rod penetrates through a pull rod through opening and is positioned between the upper base plate and the lower base plate, the rotating push rod is positioned between the upper base plate and the lower base plate and is rotatably arranged, the vertical pull rod is provided with a push rod limiting block below the rotating push rod, the rotating push rod is supported on the push rod limiting block, an arc-shaped protrusion is arranged on one side, facing the vertical pull rod, of the vertical plate, and a roller used for being matched with the arc-shaped protrusion is arranged on the vertical pull rod.
When the bolt is formed by cold heading, firstly, a material rod is placed into the vertical forming through hole and is supported at the upper end of the supporting push rod;
secondly, the lifting actuating mechanism drives the lifting frame and the punching die to move downwards together, so that the material rod is subjected to cold heading forming in the vertical forming through hole; in the process, the vertical pull rod and the rotating push rod move downwards together with the lifting frame, when the rotating push rod meets the annular stop block, the rotating push rod rotates upwards around the horizontal shaft rod to bypass the annular stop block, when the lifting frame abuts against the lower stop block, the rotating push rod is positioned below the annular stop block, the rotating push rod is supported on the push rod stop block, and the roller is positioned below the arc-shaped bulge, so that the normal work of the special flange bolt processing equipment cannot be influenced when the self-adaptive linkage type ejection mechanism drives the lifting frame and the punching die to move downwards together by the lifting execution mechanism;
thirdly, the lifting actuating mechanism drives the lifting frame and the punching die to move upwards and reset together, in the process, the rotating push rod is firstly contacted with the annular stop block to drive the supporting push rod and the cold-upset bolt in the vertical forming through hole to move upwards together, so that the upper end of the supporting push rod moves to the upper part of the vertical forming through hole, and the bolt is ejected out of the vertical forming through hole; then, the gyro wheel contacts with the arc arch to drive vertical pull rod and rotate the push rod and keep away from the support push rod, so that rotate push rod and annular dog separation, after rotating push rod and annular dog separation, support the push rod and follow vertical shaping through-hole whereabouts and support on the infrabasal plate under the dead weight effect, for next bolt cold heading shaping left preparation. The lifting actuating mechanism of the special processing equipment for the flange bolt can drive the lifting frame and the punching die to move downwards and upwards so as to realize cold heading forming of the bolt; more importantly, the support push rod can be driven to move upwards through the self-adaptive linkage type ejection mechanism under the condition that the normal work of special processing equipment for the flange bolt is not influenced, so that the bolt formed by cold heading is ejected out of the vertical forming through hole, a power part for driving the support push rod to move up and down is omitted, and in the cold heading forming operation, only the lifting execution mechanism needs to be controlled to firstly move downwards to perform the cold heading operation, and then the lifting execution mechanism is controlled to move upwards to reset; compared with the prior art that the lifting actuating mechanism is required to be controlled to firstly go down to carry out cold heading operation, then the lifting actuating mechanism is controlled to go up to reset, then the power part (such as a cylinder or an oil cylinder) of the supporting push rod is controlled, the cold heading formed bolt is ejected out through the supporting push rod, and finally the power part (such as the cylinder or the oil cylinder) of the supporting push rod is controlled to drive the supporting push rod to go down to reset, the special processing equipment for the flange bolt effectively simplifies the control procedure of cold heading forming, is convenient for an operator to actually operate, and can effectively reduce the risk of manual operation errors, for example, when the lifting actuating mechanism goes down to carry out cold heading operation in the prior art, if the operator has misoperation, the power part of the supporting push rod is controlled to eject the cold heading formed bolt through the supporting push rod, it may cause a problem that the cold-headed bolt is crushed and deformed. The special processing equipment for the flange bolt has the advantages of simple structure and low manufacturing cost, and can effectively reduce the production cost of bolt cold heading forming.
Preferably, when the lifting frame is abutted to the lower limiting block, the rotating push rod is positioned below the annular stop block, the rotating push rod is supported on the push rod limiting block, and the roller is positioned below the arc-shaped bulge; in the process that the crane up moved to the upper stopper by lower stopper, the rotation push rod contacts with annular stopper earlier, drive support push rod and together shift up to make support push rod's upper end move to the top of vertical shaping through-hole, then, gyro wheel and the protruding contact of arc, and drive vertical pull rod and rotation push rod and keep away from support push rod, so that rotation push rod and annular stopper separation, and then make support push rod along vertical shaping through-hole whereabouts and support on the infrabasal plate under the dead weight effect.
Preferably, when the rotating push rod is supported on the push rod limiting block, the rotating push rod is in a horizontal state.
Preferably, the upper end surface of the supporting push rod is a slope, and the inclination angle of the slope is less than 5 degrees. So, remove to the top of vertical shaping through-hole in the upper end of supporting the push rod to with the bolt by the downthehole ejecting back of vertical shaping through-hole, the bolt will be followed the up end slip of supporting the push rod and emptyd, avoids supporting the push rod after down, and the bolt falls into vertical shaping through-hole once more, is favorable to the fashioned bolt unloading of cold-heading.
Preferably, the punching die comprises a punching die block arranged on the lifting frame and a bolt head forming hole arranged on the lower end face of the punching die block.
Preferably, the guide rail limiting block is arranged between the sliding block and the punching die.
Preferably, the vertical plate is located between the vertical tie and the main module.
Preferably, the vertical plate is disposed on an upper surface of the upper substrate.
Preferably, the lifting actuator is a lifting cylinder.
The utility model has the advantages that:
the bolt cold heading forming device has the advantages of being simple in structure, low in manufacturing cost and capable of effectively reducing production cost of bolt cold heading forming.
Secondly, compared with the prior art that during cold heading forming operation, "the lifting actuator needs to be controlled firstly to descend firstly to perform cold heading operation, then the lifting actuator is controlled to move upwards to reset, then the power part (such as an air cylinder or an oil cylinder) of the supporting push rod is controlled, the bolt formed by cold heading is ejected out through the supporting push rod, and finally the power part (such as the air cylinder or the oil cylinder) of the supporting push rod is controlled to drive the supporting push rod to move downwards to reset", the special processing equipment for the flange bolt effectively simplifies the control procedure of cold heading forming, is convenient for operators to operate actually, and can effectively reduce the risk of manual operation errors.
Drawings
Fig. 1 is a schematic structural diagram of the special processing equipment for flange bolts of the present invention.
Fig. 2 is a schematic structural diagram of the special processing equipment for flange bolts of the present invention in actual work.
In the figure:
the device comprises a base 1, a lower substrate 1.1, an upper substrate 1.2, a pull rod through opening 1.3 and a push rod through opening 1.4;
the lifting device 2, the vertical guide rod 2.1, the lifting frame 2.2, the upper limiting block 2.3, the lower limiting block 2.4, the lifting execution mechanism 2.5 and the upper frame 2.6;
the cold heading die comprises a cold heading die 3, a main module 3.1, a vertical forming through hole 3.2, a supporting push rod 3.3, a punching module 3.4 and a bolt head forming hole 3.5;
self-adaptation coordinated type ejection mechanism 4, horizontal guide 4.1, slider 4.2, guide rail stopper 4.3, dead lever 4.4, extension spring 4.5, vertical pull rod 4.6, vertical board 4.7, gyro wheel 4.8, arc arch 4.9, horizontal shaft pole 4.10, rotation push rod 4.11, push rod stopper 4.12, annular dog 4.13.
Detailed Description
To make the objects, technical solutions and advantages of embodiments of the present invention clearer, the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present solution, and are not construed as limiting the present solution.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "a plurality" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as fixed or removable connections or integral parts, either mechanically or electrically, or in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The first embodiment is as follows: as shown in figure 1, the special processing equipment for the flange bolt comprises a base 1, a lifting device 2, a cold heading die 3 and a self-adaptive linkage type ejection mechanism 4.
The base 1 comprises a lower substrate 1.1, an upper substrate 1.2 and a connecting piece for connecting the upper substrate and the lower substrate. In this embodiment, the lower substrate is parallel to the upper substrate, and the upper substrate is horizontally disposed. The upper base plate is provided with a pull rod through opening 1.3 and a push rod through opening 1.4.
The lifting device 2 comprises a vertical guide rod 2.1 arranged on the upper base plate, a lifting frame 2.2 lifting along the vertical guide rod, an upper limiting block 2.3 and a lower limiting block 2.4 which are arranged on the vertical guide rod and used for limiting the lifting frame, and a lifting execution mechanism 2.5 used for lifting the lifting frame. The lifting frame is provided with a vertical guide hole matched with the vertical guide rod, and the lifting frame is positioned between the upper limiting block 2.3 and the lower limiting block 2.4. Specifically, two or four vertical guide rods are provided, the upper ends of the vertical guide rods are connected through an upper frame 2.6, and the lifting execution mechanism is arranged on the upper frame. In this embodiment, the lifting actuator is a lifting cylinder.
The cold heading die 3 includes a main die provided on the upper base plate and a punch die provided on the lifter. The main die comprises a main die 3.1, a vertical forming through hole 3.2 arranged on the main die, and a supporting push rod 3.3 arranged in the vertical forming through hole in a sliding mode. The lower end of the supporting push rod penetrates through the push rod through opening and is supported on the lower base plate. The punch die comprises a punch die block 3.4 arranged on the lifting frame and a bolt head forming hole 3.5 arranged on the lower end face of the punch die block.
Self-adaptation coordinated type ejection mechanism 4 is including setting up horizontal guide 4.1 on the crane, along the gliding slider 4.2 of horizontal guide, the guide rail stopper 4.3 of setting on horizontal guide, the dead lever 4.4 of setting on the crane, the extension spring 4.5 of link block and dead lever, the vertical pull rod 4.6 that is connected with the slider, the vertical board 4.7 of setting on the last base plate, the annular dog 4.13 that sets up on the support push rod and be located the upper base plate below and be used for with the annular dog cooperation in order to drive the rotation push rod 4.11 that support push rod shifts up. In this embodiment, the horizontal guide rails are distributed along the radial extension of the vertical forming through hole. The extension spring is used for driving vertical pull rod toward supporting the push rod direction and removing and make the slider support on the guide rail stopper, and is concrete, and the dead lever is located between guide rail stopper and the die, and the guide rail stopper is between slider and the die, and the one end of extension spring links to each other with the slider, and the other end of extension spring links to each other with the dead lever.
The lower end of the vertical pull rod penetrates through the pull rod through opening and is positioned between the upper substrate and the lower substrate. The rotating push rod is positioned between the upper substrate and the lower substrate. The rotating push rod is rotatably arranged at the lower end of the vertical pull rod through a horizontal shaft rod 4.10. A push rod limiting block 4.12 is arranged on the vertical pull rod and below the rotating push rod and used for limiting the downward rotating angle of the rotating push rod. The rotating push rod is supported on the push rod limiting block.
The vertical pull rod is provided with an arc protrusion 4.9 on one side of the vertical plate, the vertical pull rod is provided with a roller 4.8 matched with the arc protrusion, and particularly, the vertical pull rod is provided with a roller matched with the arc protrusion on one side of the vertical plate.
When the crane supports on lower stopper, rotate the below that the push rod is located annular dog, rotate the push rod and support on the push rod stopper, the gyro wheel is located the bellied below of arc.
In the process that the crane up moved to the upper stopper by lower stopper, the rotation push rod contacts with annular stopper earlier, drive support push rod and together shift up to make support push rod's upper end move to the top of vertical shaping through-hole, then, gyro wheel and the protruding contact of arc, and drive vertical pull rod and rotation push rod and keep away from support push rod, so that rotation push rod and annular stopper separation, and then make support push rod along vertical shaping through-hole whereabouts and support on the infrabasal plate under the dead weight effect.
When the special processing equipment for the flange bolt of the embodiment is used for cold heading and forming the bolt,
firstly, as shown in figure 1, a material rod is placed in a vertical forming through hole, and the material rod is supported at the upper end of a supporting push rod;
secondly, the lifting actuating mechanism drives the lifting frame and the punching die to move downwards together, so that the material rod is subjected to cold heading forming in the vertical forming through hole; in the process, the vertical pull rod and the rotating push rod move downwards together with the lifting frame, when the rotating push rod meets the annular stop block, the rotating push rod rotates upwards around the horizontal shaft rod to bypass the annular stop block, when the lifting frame abuts against the lower stop block, the rotating push rod is positioned below the annular stop block, the rotating push rod is supported on the push rod stop block, and the roller is positioned below the arc-shaped bulge, so that the normal work of the special flange bolt processing equipment cannot be influenced when the self-adaptive linkage type ejection mechanism drives the lifting frame and the punching die to move downwards together by the lifting execution mechanism;
thirdly, as shown in fig. 2, the lifting actuating mechanism drives the lifting frame and the punching die to move upwards and reset together, in the process, the push rod is rotated to be firstly contacted with the annular stop block, the support push rod and the bolt formed by cold heading in the vertical forming through hole are driven to move upwards together, so that the upper end of the support push rod moves to the upper part of the vertical forming through hole, and the bolt is ejected out of the vertical forming through hole; then, the gyro wheel contacts with the arc arch to drive vertical pull rod and rotate the push rod and keep away from the support push rod, so that rotate push rod and annular dog separation, after rotating push rod and annular dog separation, support the push rod and follow vertical shaping through-hole whereabouts and support on the infrabasal plate under the dead weight effect, for next bolt cold heading shaping left preparation. The lifting actuating mechanism of the special processing equipment for the flange bolt can drive the lifting frame and the punching die to move downwards and upwards so as to realize cold heading forming of the bolt; more importantly, the support push rod can be driven to move upwards through the self-adaptive linkage type ejection mechanism under the condition that the normal work of special processing equipment for the flange bolt is not influenced, so that the bolt formed by cold heading is ejected out of the vertical forming through hole, a power part for driving the support push rod to move up and down is omitted, and in the cold heading forming operation, only the lifting execution mechanism needs to be controlled to firstly move downwards to perform the cold heading operation, and then the lifting execution mechanism is controlled to move upwards to reset; compared with the prior art that the lifting actuating mechanism is required to be controlled to firstly go down to carry out cold heading operation, then the lifting actuating mechanism is controlled to go up to reset, then the power part (such as a cylinder or an oil cylinder) of the supporting push rod is controlled, the cold heading formed bolt is ejected out through the supporting push rod, and finally the power part (such as the cylinder or the oil cylinder) of the supporting push rod is controlled to drive the supporting push rod to go down to reset, the special processing equipment for the flange bolt effectively simplifies the control procedure of cold heading forming, is convenient for an operator to actually operate, and can effectively reduce the risk of manual operation errors, for example, when the lifting actuating mechanism goes down to carry out cold heading operation in the prior art, if the operator has misoperation, the power part of the supporting push rod is controlled to eject the cold heading formed bolt through the supporting push rod, it may cause a problem that the cold-headed bolt is crushed and deformed. The special processing equipment for the flange bolt has the advantages of simple structure and low manufacturing cost, and can effectively reduce the production cost of bolt cold heading forming.
Furthermore, when the rotating push rod is supported on the push rod limiting block, the rotating push rod is in a horizontal state. Therefore, in the process that the lifting actuating mechanism drives the lifting frame and the stamping die to move upwards together, the rotating push rod is favorable for being matched with the annular stop block, and the supporting push rod and the bolt formed by cold upsetting in the vertical forming through hole are driven to move upwards together so as to eject the bolt out of the vertical forming through hole.
Further, the upper end surface of the supporting push rod is an inclined surface, and the inclined angle of the inclined surface is smaller than 5 degrees, in this embodiment, the inclined angle of the inclined surface is smaller than 2 degrees, 3 degrees, 4 degrees or 5 degrees. So, remove to the top of vertical shaping through-hole in the upper end of supporting the push rod to with the bolt by the downthehole ejecting back of vertical shaping through-hole, the bolt will be followed the up end slip of supporting the push rod and emptyd, avoids supporting the push rod after down, and the bolt falls into vertical shaping through-hole once more, is favorable to the fashioned bolt unloading of cold-heading.
Further, a vertical plate is located between the vertical tie and the main module. The vertical plate is disposed on an upper surface of the upper substrate.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent transformation of doing above embodiment the utility model discloses technical scheme's protection scope.
Claims (8)
1. The utility model provides a flange bolt special processing equipment, characterized by includes:
the base comprises a lower base plate, an upper base plate and a connecting piece for connecting the upper base plate and the lower base plate, wherein the upper base plate is provided with a pull rod through opening and a push rod through opening;
the lifting device comprises a vertical guide rod arranged on the upper base plate, a lifting frame lifting along the vertical guide rod, an upper limiting block and a lower limiting block which are arranged on the vertical guide rod and used for limiting the lifting frame, and a lifting execution mechanism used for lifting the lifting frame;
the cold heading die comprises a main die arranged on the upper base plate and a stamping die arranged on the lifting frame, the main die comprises a main module, a vertical forming through hole arranged on the main module and a support push rod arranged in the vertical forming through hole in a sliding mode, and the lower end of the support push rod penetrates through a push rod through hole and is supported on the lower base plate; and
the self-adaptive linkage type ejection mechanism comprises a horizontal guide rail arranged on the lifting frame, a sliding block sliding along the horizontal guide rail, a guide rail limiting block arranged on the horizontal guide rail, a fixed rod arranged on the lifting frame, a tension spring connecting the sliding block and the fixed rod, a vertical pull rod connected with the sliding block, a vertical plate arranged on the upper base plate, an annular stop block arranged on the supporting push rod and positioned below the upper base plate, and a rotating push rod matched with the annular stop block to drive the supporting push rod to move upwards, wherein the tension spring is used for driving the vertical pull rod to move towards the direction of the supporting push rod and enabling the sliding block to abut against the guide rail limiting block, the lower end of the vertical pull rod penetrates through a pull rod through opening and is positioned between the upper base plate and the lower base plate, the rotating push rod is positioned between the upper base plate and the lower base plate, and is, the vertical pull rod is provided with a push rod limiting block below the rotating push rod, the rotating push rod is supported on the push rod limiting block, an arc-shaped protrusion is arranged on one side, facing the vertical pull rod, of the vertical plate, and a roller used for being matched with the arc-shaped protrusion is arranged on the vertical pull rod.
2. The special processing equipment for the flange bolt as claimed in claim 1, wherein when the lifting frame is abutted on the lower limit block, the rotating push rod is positioned below the annular stop block, the rotating push rod is supported on the push rod limit block, and the roller is positioned below the arc-shaped protrusion.
3. The special processing device for the flange bolt as claimed in claim 1, wherein when the rotary push rod is supported on the push rod stopper, the rotary push rod is in a horizontal state.
4. The special processing equipment for the flange bolts as claimed in claim 1, 2 or 3, wherein the upper end surface of the supporting push rod is an inclined surface, and the inclined angle of the inclined surface is less than 5 degrees.
5. The special processing equipment for the flange bolts as claimed in claim 1, 2 or 3, wherein the stamping die comprises a stamping die block arranged on the lifting frame and a bolt head forming hole arranged on the lower end face of the stamping die block.
6. The special processing device for the flange bolts as claimed in claim 1, 2 or 3, wherein the guide rail limiting block is arranged between the sliding block and the punching die.
7. The flange bolt special processing device according to claim 1, 2 or 3, wherein the vertical plate is positioned between the vertical pull rod and the main module.
8. The special processing device for the flange bolts as claimed in claim 1, 2 or 3, wherein the lifting actuator is a lifting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921348439.8U CN210936935U (en) | 2019-08-19 | 2019-08-19 | Special processing equipment for flange bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921348439.8U CN210936935U (en) | 2019-08-19 | 2019-08-19 | Special processing equipment for flange bolts |
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| Publication Number | Publication Date |
|---|---|
| CN210936935U true CN210936935U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921348439.8U Active CN210936935U (en) | 2019-08-19 | 2019-08-19 | Special processing equipment for flange bolts |
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| CN (1) | CN210936935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139420A (en) * | 2020-09-06 | 2020-12-29 | 冯建娟 | Horizontal bolt cold heading forming machine |
-
2019
- 2019-08-19 CN CN201921348439.8U patent/CN210936935U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139420A (en) * | 2020-09-06 | 2020-12-29 | 冯建娟 | Horizontal bolt cold heading forming machine |
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Address after: 519 Zhenzhong village, dangwan Town, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Aozhan Industry Co.,Ltd. Address before: 519 Zhenzhong village, dangwan Town, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: AOZHAN INDUSTRIAL CO.,LTD. |
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