CN110893451B - Feeding device for bolt thread rolling processing - Google Patents
Feeding device for bolt thread rolling processing Download PDFInfo
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- CN110893451B CN110893451B CN201911237597.0A CN201911237597A CN110893451B CN 110893451 B CN110893451 B CN 110893451B CN 201911237597 A CN201911237597 A CN 201911237597A CN 110893451 B CN110893451 B CN 110893451B
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- spring
- thread rolling
- shaped
- frame
- storage frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
- B21H3/04—Making by means of profiled-rolls or die rolls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H9/00—Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in this subclass
- B21H9/02—Feeding arrangements for rolling machines or apparatus manufacturing articles dealt with in this subclass for screw-rolling machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention relates to a feeding device, in particular to a feeding device for bolt thread rolling machining. The technical problem who solves how to provide one kind and need not manual unloading, need not to wait for the cooling after the thread rolling finishes, can directly get rid of, reduces latency, operates comparatively safe feeding device for the processing of bolt thread rolling. A feeding device for bolt thread rolling processing comprises a base, a bracket and the like; one side of the base is provided with a bracket. According to the invention, the special-shaped contact plate can be driven to move upwards by stepping on the pedal, the clamping rod can be loosened to fix the bolts which do not roll threads through the matching of the special-shaped contact plate and the clamping rod, so that the baffle plate can be lifted to block the lower part of the storage frame, the bolts which do not roll threads can not be blocked by the piston plate through the matching of the baffle plate and the piston rod, so that the bolts which do not roll threads can fall between the two rollers of the thread rolling machine to be processed, after an operator loosens the pedal, the machined bolts can not be blocked by the baffle plate, and the bolts can be smoothly discharged.
Description
Technical Field
The invention relates to a feeding device, in particular to a feeding device for bolt thread rolling machining.
Background
Bolt: mechanical parts, cylindrical threaded fasteners with nuts, and fasteners of the type consisting of a head and a screw, need to be matched with the nuts for fastening and connecting two parts with through holes.
At present, the screw thread is turned by a lathe in the bolt machining process, the screw thread is rolled by a screw rolling machine, the speed of the screw rolling machine is high, but the heat productivity is high, the hand of an operator can be scalded if the screw is directly taken out by hand after the screw rolling is finished, and the hand of the operator is very dangerous to the operator and is very easy to hurt the hand of the operator due to pure manual operation during feeding and discharging.
Therefore, in order to solve the above problems, a feeding device for bolt thread rolling processing needs to be invented, which does not need to manually load and unload materials, does not need to wait for cooling after thread rolling is completed, can be directly discharged, reduces waiting time, and is safer to operate.
Disclosure of Invention
In order to overcome the defects that the hands of an operator can be scalded if the hands are directly taken out after thread rolling is finished, and the hand is purely manually operated during feeding and discharging, so that the operator is very dangerous and very easy to hurt the hands of the operator, the technical problems to be solved are as follows: the feeding device for bolt thread rolling machining is free of manual feeding and discharging, free of waiting for cooling after thread rolling is finished, capable of being directly discharged, capable of reducing waiting time and safe in operation.
The technical scheme of the invention is as follows: the utility model provides a feed arrangement is used in bolt thread rolling processing, including base, support and thread rolling machine, the support is installed to base one side, installs the thread rolling machine through the bolt on this support, still including storage device and actuating mechanism, is equipped with storage device on this support, and this storage device is used for storing the bolt of not rolling the thread, and this storage device is located between two rollers of thread rolling machine, and this base opposite side is equipped with actuating mechanism, and this actuating mechanism is used for driving the bolt of not rolling the thread to fall into the thread rolling machine.
In one embodiment, the storage device comprises a storage frame, a piston plate, a first spring, a piston rod and a second spring, the bracket is welded with a material storage frame, one side in the material storage frame is vertically provided with a T-shaped groove, the width of the T-shaped groove is slightly larger than the width of the bolt head, rectangular cavities are arranged on both sides of the material storage frame, piston plates are arranged in the rectangular cavities in a sliding manner, one end of each piston plate is positioned in the material storage frame, a first spring is connected between the other side of the piston plate and the rectangular cavity and is in a stretching state, the storage frame is internally provided with a U-shaped cavity, the two rectangular cavities are communicated through the U-shaped cavity, one side of the storage frame is provided with a cylindrical cavity, a piston rod is arranged in the cylindrical cavity in a sliding way, a second spring is connected between the piston rod and the cylindrical cavity, the U-shaped cavity is communicated with the cylindrical cavity, and hydraulic oil is filled in the rectangular cavity, the U-shaped cavity and the cylindrical cavity.
In one embodiment, the driving mechanism comprises a clamping rod, a third spring, a special-shaped contact plate, a vertical rod, a pedal, a fourth spring, a material baffle plate and a torsion spring, the clamping rod is arranged on the side of the material storage frame opposite to the T-shaped groove in a sliding mode, the third spring is connected between one end of the clamping rod and the material storage frame, the third spring is in a stretching state, the special-shaped contact plate is arranged on the support in a sliding mode, the special-shaped contact plate is in contact fit with the other end of the clamping rod, the vertical rod is fixedly connected to the special-shaped contact plate, the pedal is hinged to the other side of the base, the vertical rod is connected with the pedal in a sliding mode, the fourth spring is connected between the pedal and the base, the material storage frame is provided with the material baffle plate in a rotating mode at the bottom of the same side as the vertical rod, the material baffle plate is located between two rollers of the thread rolling machine, and the torsion spring is arranged at the joint of the material baffle plate and the material storage frame.
In one embodiment, the feeding auxiliary device further comprises a feeding auxiliary device, the feeding auxiliary device comprises a movable frame, an arc-shaped sliding rod, a sliding sleeve, a fifth spring, a blocking rod, a sixth spring and a fixed contact plate, the movable frame is hinged to one side of the storage frame, the arc-shaped sliding rod is fixedly connected to the other side of the storage frame, the sliding sleeve is installed on the movable frame and located in the arc-shaped sliding rod, the fifth spring is connected between the sliding sleeve and the arc-shaped sliding rod, the blocking rod is slidably arranged on the movable frame, the sixth spring is connected between the blocking rod and the movable frame, the sixth spring is in a compressed state, the fixed contact plate is installed on the storage frame, and the fixed contact plate is in contact fit with the blocking rod.
In one embodiment, the screw driver further comprises a guide ball, wherein the guide ball is arranged in the T-shaped groove in a rolling mode at even intervals, and the guide ball is in contact fit with a bolt head without thread rolling.
In one embodiment, the vibration isolation device further comprises a vertical sliding rod, a vibration rod, a seventh spring and an inclined frame, wherein the inclined frame is installed on the support, the vertical sliding rod is fixedly connected to the base, the vibration rod is arranged on the vertical sliding rod in a sliding mode and is in contact fit with the inclined frame, and the seventh spring is connected between the vibration rod and the vertical sliding rod.
The beneficial effects are that: the invention can drive the special-shaped contact plate to move upwards by stepping on the pedal, and the clamping rod can loosen the fixation of the non-thread rolling bolt through the matching of the special-shaped contact plate and the clamping rod, so that the baffle plate can lift up to block the lower part of the material storage frame, through the matching of the material baffle plate and the piston rod, the piston plate can not block the bolt which is not rolled, so that the bolt which is not rolled can fall between the two rollers of the thread rolling machine for processing, after an operator loosens the pedal, the stop plate can not block the processed bolt, the bolt can be smoothly discharged, the non-rolled bolt is arranged in the stop plate through the movable frame, after the non-rolled screw bolts in the storage frame are used up, the operator can quickly load the non-rolled screw bolts into the storage frame, and the operator can continuously plug the non-rolled screw bolts into the movable frame in the process of treading the pedal, so that the working efficiency of the device can be improved.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is an enlarged schematic view of part a of the present invention.
FIG. 3 is a schematic top view of the material storage frame according to the present invention.
Fig. 4 is an enlarged view of part B of the present invention.
Labeled as: the device comprises a base, a support, a 3 thread rolling machine, a 4 material storage device, a 41 material storage frame, a 42T-shaped groove, a 43 rectangular cavity, a 44 piston plate, a 45 first spring, a 46U-shaped cavity, a 47 cylindrical cavity, a 48 piston rod, a 49 second spring, a 5 driving mechanism, a 51 clamping rod, a 52 third spring, a 53 special-shaped contact plate, a 54 vertical rod, a 55 pedal, a 56 fourth spring, a 57 material baffle plate, a 58 torsion spring, a 6 feeding auxiliary device, a 61 movable frame, a 62 arc-shaped slide rod, a 63 sliding sleeve, a 64 fifth spring, a 65 blocking rod, a 66 sixth spring, a 67 fixed contact plate, a 7 guide ball, an 8 vertical slide rod, a 9 vibration rod, a 10 seventh spring and an 11 inclined frame.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
The utility model provides a feed arrangement is used in bolt thread rolling processing, as shown in fig. 1-3, including base 1, support 2, thread rolling machine 3, storage device 4 and actuating mechanism 5, support 2 is installed on base 1 left side, thread rolling machine 3 is installed through the bolt in the middle part of this support 2, 2 upper portions of this support are equipped with storage device 4, this storage device 4 is used for storing the bolt of not rolling the thread, this storage device 4 is located between 3 rollers of thread rolling machine, 1 right side of this base is equipped with actuating mechanism 5, this actuating mechanism 5 is used for driving the bolt of not rolling the thread to fall into in the thread rolling machine 3.
The material storing device 4 comprises a material storing frame 41, a piston plate 44, a first spring 45, a piston rod 48 and a second spring 49, the material storing frame 41 is welded on the upper part of the support 2, a T-shaped groove 42 is vertically formed on the inner right side surface of the material storing frame 41, the width of the T-shaped groove 42 is slightly larger than that of a bolt head, rectangular cavities 43 are formed on the left side and the right side of the material storing frame 41, the piston plate 44 is arranged in the rectangular cavities 43 in a sliding manner, the inner end of the piston plate 44 is positioned in the material storing frame 41, the first spring 45 is connected between the outer side of the piston plate 44 and the rectangular cavities 43, the first spring 45 is in a stretching state, a U-shaped cavity 46 is formed in the material storing frame 41, the two rectangular cavities 43 are communicated through the U-shaped cavity 46, a cylindrical cavity 47 is formed on the lower part of the right side of the material storing frame 41, the piston rod 48 is arranged in the cylindrical cavity 47 in a sliding manner, the second spring 49 is connected between the piston rod 48 and the cylindrical cavity 47, the U-shaped cavity 46 is communicated with the cylindrical cavity 47, and hydraulic oil is filled in the rectangular cavity 43, the U-shaped cavity 46 and the cylindrical cavity 47.
The driving mechanism 5 comprises a clamping rod 51, a third spring 52, a special-shaped contact plate 53, a vertical rod 54, a pedal 55, a fourth spring 56, a striker plate 57 and a torsion spring 58, a clamping rod 51 is arranged at the left side of the storage frame 41 in a sliding way, a third spring 52 is connected between the right end of the clamping rod 51 and the storage frame 41, the third spring 52 is in a stretching state, the upper part of the bracket 2 is provided with a special-shaped contact plate 53 in a sliding way, the special-shaped contact plate 53 is in contact fit with the left end of the clamping rod 51, a vertical rod 54 is fixedly connected to the right side of the inner top of the special-shaped contact plate 53, the right side of the base 1 is hinged with a pedal 55, the vertical rod 54 is connected with the pedal 55 in a sliding way, a fourth spring 56 is connected between the pedal 55 and the base 1, a striker plate 57 is rotatably arranged on the left side of the bottom of the storage frame 41, the striker plate 57 is located between two rollers of the thread rolling machine 3, and a torsion spring 58 is arranged at the joint of the striker plate 57 and the storage frame 41.
An operator firstly loads a proper amount of non-rolled screw bolts into the storage frame 41, the heads of the non-rolled screw bolts are positioned in the T-shaped grooves 42, the operator then starts the screw rolling machine 3, the operator then steps on the pedal 55, the pedal 55 is compressed along with the fourth spring 56, the pedal 55 can drive the vertical rod 54 to move downwards, the vertical rod 54 can drive the special-shaped contact plate 53 to move downwards, the special-shaped contact plate 53 does not contact with the clamping rod 51 when moving downwards, the clamping rod 51 can move leftwards under the action of the third spring 52, the clamping rod 51 can loosen the fixation of the non-rolled screw bolts, the non-rolled screw bolts can move downwards in the T-shaped grooves 42, the positions of the non-rolled screw bolts can be limited through the piston rod 48, the clamping rod 51 can be pushed rightwards to move to clamp the non-rolled screw bolts positioned at the right of the clamping rod 51 along with the downward movement of the special-shaped contact plate 53, the third spring 52 is stretched along with the clamping rod, and the right part of the material blocking plate 57 can be driven to swing upwards, the torsion spring 58 is compressed, the striker plate 57 can push the piston rod 48 to move upwards, the second spring 49 is compressed, the piston plate 44 can move outwards under the action of the first spring 45, the hydraulic oil in the rectangular cavity 43 can be discharged into the cylindrical cavity 47 through the U-shaped cavity 46, the non-rolled screw bolt can fall between the two rollers of the thread rolling machine 3 without being blocked by the piston plate 44, the non-rolled screw bolt can be in contact fit with the striker plate 57, after the non-rolled screw bolt is machined, an operator loosens the pedal 55, under the action of the fourth spring 56, the pedal 55 can be driven, the vertical rod 54 and the special-shaped contact plate 53 can move upwards, after the special-shaped contact plate 53 is not in contact with the striker plate 57, under the action of the torsion spring 58, the right part of the striker plate 57 can swing downwards, at the moment, the striker plate 57 can be separated from the piston rod 48, under the effect of second spring 49, piston rod 48 alright move down to can pour into rectangular cavity 43 with hydraulic oil through U die cavity 46 in, so alright promote piston plate 44 and move inwards once more, first spring 45 is tensile thereupon, resets the back when striker plate 57, and the bolt that finishes processing alright discharge through striker plate 57, and after the bolt processing finishes, the operator closes thread rolling machine 3, so just need not artifical manual putting into or take out the bolt, can avoid taking place the accident and cause the casualties.
Example 2
On the basis of the embodiment 1, as shown in fig. 1-4, the charging auxiliary device 6 is further included, the charging auxiliary device 6 includes a movable frame 61, an arc-shaped sliding rod 62, a sliding sleeve 63, a fifth spring 64, a blocking rod 65, a sixth spring 66 and a fixed contact plate 67, the right side of the top of the material storage frame 41 is hinged with a movable frame 61, the left side of the material storage frame 41 is fixedly connected with two arc-shaped sliding rods 62, sliding sleeves 63 are respectively arranged at the front side and the rear side of the movable frame 61, the sliding sleeves 63 are positioned in the arc-shaped sliding rods 62, a fifth spring 64 is connected between the sliding sleeve 63 and the arc-shaped sliding rod 62, a blocking rod 65 is slidably disposed at the lower portion of the right side of the movable frame 61, a sixth spring 66 is connected between the blocking rod 65 and the movable frame 61, the sixth spring 66 is in a compressed state, a fixed contact plate 67 is mounted on the upper right side of the magazine frame 41, and the fixed contact plate 67 is in contact engagement with the blocking lever 65.
Because the movable frame 61 is arranged in a forty-five degree inclined manner, an operator can accurately place the non-rolled screw bolts into the movable frame 61 without placing the non-rolled screw bolts into the material storage frame 41, the non-rolled screw bolts can be temporarily stored in the movable frame 61 through the blocking rod 65, when the movable frame 61 is full of the non-rolled screw bolts, the operator pushes the movable frame 61 to swing to the left, the arc-shaped sliding rod 62 and the sliding sleeve 63 play a guiding role, the fifth spring 64 is stretched along with the arc-shaped sliding rod, when the movable frame 61 drives the blocking rod 65 to be separated from the fixed contact plate 67, the blocking rod 65 can move outwards under the action of the sixth spring 66, the non-rolled screw bolts in the movable frame 61 can be discharged into the material storage frame 41, when the non-rolled screw bolts in the material storage frame 41 are exhausted, the operator can quickly place the non-rolled screw bolts into the material storage frame 41, and the operator can continuously plug the non-rolled screw bolts into the movable frame 61 in the process of treading the pedal 55, therefore, the working efficiency of the device can be improved.
Example 3
On the basis of the embodiment 2, as shown in fig. 1 to 4, the screw head further comprises guide balls 7, the guide balls 7 are uniformly arranged in the rolling manner at intervals on the two sides of the front side in the T-shaped groove 42, and the guide balls 7 are in contact fit with the screw head without thread rolling.
Still including vertical slide bar 8, vibrating rod 9, seventh spring 10 and oblique frame 11, install oblique frame 11 on this support 2, this base 1 middle part fixedly connected with vertical slide bar 8, the gliding formula is equipped with vibrating rod 9 on this vertical slide bar 8, this vibrating rod 9 and this oblique frame 11 contact cooperation, be connected with seventh spring 10 between this vibrating rod 9 and this vertical slide bar 8.
When the bolt without thread rolling moves in the T-shaped groove 42, the bolt without thread rolling can move more smoothly under the guiding action of the guiding ball 7, and the bolt without thread rolling can be prevented from being clamped.
The processed bolt can be discharged through the inclined frame 11, when the pedal 55 moves downwards, the vibration rod 9 can be driven to move downwards, the vertical sliding rod 8 plays a guiding role, the seventh spring 10 is compressed along with the downward movement, after an operator loosens the pedal 55, the vibration rod 9 can upwards knock the inclined frame 11 under the action of the seventh spring 10, and therefore the processed bolt can be prevented from being accumulated in the inclined frame 11.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (4)
1. A feeding device for bolt thread rolling processing comprises a base, a support and a thread rolling machine, wherein the support is mounted on one side of the base, the thread rolling machine is mounted on the support through bolts, and the feeding device is characterized by also comprising a storage device and a driving mechanism, wherein the storage device is arranged on the support and used for storing bolts which are not subjected to thread rolling, the storage device is positioned between two rollers of the thread rolling machine, and the driving mechanism is arranged on the other side of the base and used for driving the bolts which are not subjected to thread rolling to fall into the thread rolling machine;
the material storage device comprises a material storage frame, a piston plate, a first spring, a piston rod and a second spring, the material storage frame is welded on the bracket, a T-shaped groove is vertically arranged on one side in the material storage frame, the width of the T-shaped groove is slightly larger than that of the bolt head, rectangular cavities are arranged on both sides of the material storage frame, piston plates are arranged in the rectangular cavities in a sliding manner, one end of each piston plate is positioned in the material storage frame, a first spring is connected between the other side of the piston plate and the rectangular cavity and is in a stretching state, the storage frame is internally provided with a U-shaped cavity, the two rectangular cavities are communicated through the U-shaped cavity, one side of the storage frame is provided with a cylindrical cavity, a piston rod is arranged in the cylindrical cavity in a sliding way, a second spring is connected between the piston rod and the cylindrical cavity, the U-shaped cavity is communicated with the cylindrical cavity, and hydraulic oil is filled in the rectangular cavity, the U-shaped cavity and the cylindrical cavity;
actuating mechanism is including the kelly, the third spring, special-shaped contact plate, the montant, the footboard, the fourth spring, striker plate and torsion spring, the movable type that sideslips relatively with T type groove on this storage frame is equipped with the kelly, be connected with the third spring between this kelly one end and this storage frame, this third spring is in tensile state, the movable type is equipped with special-shaped contact plate on this support, this special-shaped contact plate and the cooperation of this kelly other end contact, fixedly connected with montant on this special-shaped contact plate, this base opposite side articulates there is the footboard, this montant and this footboard sliding connection, be connected with the fourth spring between this footboard and the base, this storage frame is equipped with the striker plate with the bottom rotary type of montant homonymy, this striker plate is located between two rollers of thread rolling machine, this striker plate is equipped with torsion spring with this storage frame junction.
2. The feeding device for bolt thread rolling according to claim 1, further comprising a feeding auxiliary device, wherein the feeding auxiliary device comprises a movable frame, an arc-shaped sliding rod, a sliding sleeve, a fifth spring, a blocking rod, a sixth spring and a fixed contact plate, the movable frame is hinged to one side of the storage frame, the arc-shaped sliding rod is fixedly connected to the other side of the storage frame, the sliding sleeve is mounted on the movable frame and located in the arc-shaped sliding rod, the fifth spring is connected between the sliding sleeve and the arc-shaped sliding rod, the blocking rod is slidably disposed on the movable frame, the sixth spring is connected between the blocking rod and the movable frame, the sixth spring is in a compressed state, the fixed contact plate is mounted on the storage frame, and the fixed contact plate is in contact fit with the blocking rod.
3. The feeding device for bolt thread rolling according to claim 2, further comprising a guiding ball, wherein the guiding ball is roll-mounted at a uniform interval in the T-shaped groove, and the guiding ball is in contact fit with the bolt head without thread rolling.
4. The feeding device for bolt thread rolling according to claim 3, further comprising a vertical slide bar, a vibration bar, a seventh spring and a slant frame, wherein the slant frame is mounted on the bracket, the vertical slide bar is fixedly connected to the base, the vibration bar is slidably disposed on the vertical slide bar, the vibration bar is in contact fit with the slant frame, and the seventh spring is connected between the vibration bar and the vertical slide bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911237597.0A CN110893451B (en) | 2019-12-06 | 2019-12-06 | Feeding device for bolt thread rolling processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911237597.0A CN110893451B (en) | 2019-12-06 | 2019-12-06 | Feeding device for bolt thread rolling processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110893451A CN110893451A (en) | 2020-03-20 |
| CN110893451B true CN110893451B (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911237597.0A Expired - Fee Related CN110893451B (en) | 2019-12-06 | 2019-12-06 | Feeding device for bolt thread rolling processing |
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| CN (1) | CN110893451B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111905878B (en) * | 2020-06-18 | 2022-07-08 | 重庆大鲸饲料有限公司 | Equipment is smashed to fodder for animal husbandry |
| CN111941007B (en) * | 2020-08-12 | 2022-04-01 | 宁波森工钢棒有限公司 | Ultrahigh-strength fastener and manufacturing process and device |
| CN112157202B (en) * | 2020-10-20 | 2022-05-06 | 哈尔滨广旺机电设备制造有限公司 | Small-size bar thread rolling equipment |
| CN112222337B (en) * | 2020-10-22 | 2022-04-26 | 安徽霍山金亿丰印铁制罐有限公司 | Metal bottle cap internal and external thread rolling processing equipment |
| CN112518448A (en) * | 2020-11-23 | 2021-03-19 | 王维 | Bicycle hub grinding and polishing device |
| CN112719166A (en) * | 2020-12-03 | 2021-04-30 | 黄逸良 | Automatic line equipment of going up of rod iron |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5245634Y2 (en) * | 1973-10-03 | 1977-10-17 | ||
| JPH0543954Y2 (en) * | 1990-04-18 | 1993-11-08 | ||
| CN2877918Y (en) * | 2006-03-03 | 2007-03-14 | 陈显国 | Automatic charging and discharging device for thread rolling machine |
| CN201744600U (en) * | 2010-06-13 | 2011-02-16 | 日泰（上海）汽车标准件有限公司 | Screw rolling machine with functions of automatically blanking and grabbing materials |
| CN109500325A (en) * | 2018-11-28 | 2019-03-22 | 大连德迈仕精密科技股份有限公司 | Screw-rolling machine automatic loading and unloading device |
| CN109500326A (en) * | 2019-01-14 | 2019-03-22 | 航天精工股份有限公司 | A kind of automatic charging device of bolt thread rolling machine |
| CN110479934B (en) * | 2019-07-30 | 2020-09-11 | 海盐铭宏精工科技有限公司 | Automatic feeding device of thread rolling machine |
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2019
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Effective date of registration: 20210709 Address after: No.1 shishigou (tuming), Qiaotou village, Tianxiang, Tangxia Town, Pengjiang district, Jiangmen City, Guangdong Province, 529000 Applicant after: Jiangmen Xuanda Hardware Co.,Ltd. Address before: 516000 Plant C, Qimao industry, Xiangshuihe Industrial Park, Dayawan, Huiyang District, Huizhou City, Guangdong Province Applicant before: Lv Guojian |
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