CN112975482A - Machining clamp for automobile traction hook - Google Patents
Machining clamp for automobile traction hook Download PDFInfo
- Publication number
- CN112975482A CN112975482A CN201911313060.8A CN201911313060A CN112975482A CN 112975482 A CN112975482 A CN 112975482A CN 201911313060 A CN201911313060 A CN 201911313060A CN 112975482 A CN112975482 A CN 112975482A
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- positioning
- traction hook
- bottom plate
- plate
- machining
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
本发明涉及一种汽车牵引挂钩的加工夹具，包括底板、固定于底板两端的连接盘、以及设于底板上的定位机构和限位机构；定位机构包括端部定位组件和中间定位组件；被加工牵引挂钩零件的端部圆环结构匹配套接于端部定位组件上，被加工牵引挂钩零件中间段的下表面的斜面贴合于中间定位组件的定位斜面上，被加工牵引挂钩零件的另一端部为加工部位；限位机构包括倒扣安装于底板上的凹型结构安装板和设于安装板上的伸缩元件，该伸缩元件的输出端抵接到被加工牵引挂钩零件的中间段表面；底板包括粗端和细端，定位机构和限位机构安装于粗端上，加工部位位于细端处。与现有技术相比，本发明具有效率高、成本降低、精度高等优点。
The invention relates to a processing fixture for an automobile traction hook, comprising a base plate, connecting plates fixed on both ends of the base plate, and a positioning mechanism and a limit mechanism arranged on the base plate; the positioning mechanism includes an end positioning assembly and a middle positioning assembly; The end ring structure of the traction hook part is matched and sleeved on the end positioning component, the inclined surface of the lower surface of the middle section of the processed traction hook part is fitted on the positioning slope of the intermediate positioning component, and the other end of the processed traction hook part is The part is the processing part; the limit mechanism includes a concave structure mounting plate installed on the bottom plate with an undercut and a telescopic element arranged on the mounting plate, the output end of the telescopic element abuts the surface of the middle section of the towing hook part to be processed; the bottom plate It includes a thick end and a thin end, the positioning mechanism and the limit mechanism are installed on the thick end, and the processing part is located at the thin end. Compared with the prior art, the present invention has the advantages of high efficiency, reduced cost and high precision.
Description
Technical Field
The invention relates to a processing device, in particular to a processing clamp for an automobile traction hook.
Background
How to improve the utilization rate of the numerical control machining center? Through technical analysis, the use of the clamp is of great concern. According to incomplete statistics, the unreasonable proportion of clamps selected by numerical control machines of domestic enterprises reaches more than 50%. By the end of 2014, the number of the Chinese numerical control machines is nearly one million, that is, more than 50 million numerical control machines have a 'nest work' phenomenon due to unreasonable selection or improper application of the clamp; from another perspective, there is a large paper on the selection and application of the clamp in the numerical control machining center because considerable potential economic benefits are involved.
The automobile traction hook is special in shape, one end of the automobile traction hook is provided with a circular ring end, the other end of the automobile traction hook is required to process planes on the left side and the right side, other processing contents are omitted, a clamp tool is designed for the automobile traction hook, the automobile traction hook is fast and accurately positioned, and processing of a processed part is beneficial to improvement of processing efficiency and processing quality.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a machining clamp for an automobile traction hook.
The purpose of the invention can be realized by the following technical scheme:
a machining clamp for an automobile traction hook comprises a bottom plate, connecting discs fixed at two ends of the bottom plate, and a positioning mechanism and a limiting mechanism which are arranged on the bottom plate;
the positioning mechanism comprises an end positioning assembly arranged at one end of the bottom plate and a middle positioning assembly arranged in the middle of the bottom plate; the end part circular ring structure of the processed traction hook part is matched and sleeved on the end part positioning assembly, the inclined plane of the lower surface of the middle section of the processed traction hook part is attached to the positioning inclined plane of the middle positioning assembly, and the other end part of the processed traction hook part is a processing part;
the limiting mechanism comprises a concave structure mounting plate which is reversely mounted on the bottom plate and a telescopic element arranged on the mounting plate, and the output end of the telescopic element abuts against the surface of the middle section of the part to be processed with the traction hook to limit the part to be processed with the traction hook;
the bottom plate comprises a thick end and a thin end, the positioning mechanism and the limiting mechanism are arranged on the thick end, and the processing part is located at the thin end.
Because the special shape of the processed product part, and only the left and right planes are processed, and no other processing content exists, the processing position does not have a more accurate positioning reference, in the general production process, the processing reference dimension on the processing drawing is the dimension requirement of the center of the circular ring end blank (namely the end circular ring structure) on the other side and the center of the plane (namely the processing position), and because the circular ring structure is the blank dimension, the processing dimension is not related, the tool positioning reference which can be automatically aligned or adjusted needs to be designed aiming at the larger tolerance range of the blank dimension. Based on the technical scheme, one end of the invention is provided with an end positioning mechanism which is sleeved and positioned with a circular ring structure, the positioning mechanism is matched with a middle positioning inclined plane to position a processed part, the processed traction hook part is limited and fixed on a bottom plate by matching with a limiting structure, the end part of the bottom plate is matched with the processed part, and a thin end is designed to meet the space requirements of drilling and milling the processed part.
The end part positioning assembly comprises a cushion block seat and a positioning column, the cushion block seat is fixedly arranged at the corner part formed by the bottom plate and the connecting disc, the cushion block seat is provided with a positioning hole for the positioning column to insert, and the end part circular ring structure of the part to be processed with the traction hook is matched and sleeved on the positioning column.
The end part positioning assembly further comprises a positioning cone sleeved on the positioning column through threads, and the end part circular ring structure of the processed traction hook part is sleeved on the positioning column in a matched mode.
The positioning column is in threaded connection with the positioning hole.
The positioning column and the positioning hole are in threaded connection, and the positioning column can rotate and displace in the direction perpendicular to the upper plane of the cushion block seat by rotating the positioning column, so that the mounting height of the positioning column is adjusted back and forth until the positioning column is adjusted to a correct machining angle and a correct machining surface, and horizontal punching is performed.
The middle positioning assembly comprises a reference block fixed on the bottom plate, a groove for accommodating the middle section part of the processed traction hook part protrusion is formed in the upper surface of the reference block, and the upper surface of the reference block except the groove part is the positioning inclined surface.
In the positioning mechanism, a cushion block seat, a positioning column and a positioning cone are assembled and matched for use and used for adjusting and positioning parts of a processed product, a threaded hole is formed in the cushion block seat, a threaded section is turned on the positioning column, and the cushion block seat and the positioning column are matched for use to achieve the effect of adjusting the positioning column, so that each part to be processed can be completely attached to the positioning cone, and the processing is uniform; furthermore, the reference block is used for being completely attached to the inclined plane of the processed product, the processed product is completely positioned by matching with the positioning column, and an accurate processing station is determined.
The mounting plate comprises two side plates which are opposite in position and fixed on two sides of the bottom plate and an upper pressing plate arranged on the two side plates; the telescopic element comprises first compression bolts arranged on the side plates and second compression bolts arranged on the upper pressure plate, the end parts of the first compression bolts positioned on the two side plates are abutted to the side surfaces on the two sides of the middle section respectively, and the end parts of the second compression bolts are abutted to the upper surface of the middle section.
The two upper pressing plates are arranged on the side plates in parallel, and each side plate is provided with a first pressing bolt at the corresponding position of the two upper pressing plates; the second compression bolt positioned on the upper pressure plate is matched with the two first compression bolts positioned below the upper pressure plate to limit the middle section;
the curb plate with the position that the top board both ends are connected is equipped with rotation axis and spacing axle respectively, the one end of top board pass through the rotation axis with the curb plate is connected, and the other end is equipped with the breach, with spacing axle joint.
Among the stop gear, curb plate, top board and rotation axis cooperation are used, and through the rotatory use of top board on the rotation axis, the top board uses second clamp bolt to compress tightly the work piece of treating processing after rotatory the arriving position, and the first clamp bolt that curb plate both sides set up, and then plays spacing reinforcing effect to the product. When the workpiece machining device is used, the position of the first compression bolt on one side is kept unchanged, and the first compression bolt on the other side is locked after a machined part is placed on the reference block.
And a bottom plate support with the width same as that of the thin end is arranged on one side, away from the processed traction hook part, of the thin end of the bottom plate.
The bottom plate is used for installing each part of the tool, and the bottom plate support is used for reinforcing the strength of the whole tool
The corner part formed by the thin end of the bottom plate and the connecting disc close to the thin end is fixedly connected with a triangular support, and two right-angle sides of the triangular support are respectively connected with the thin end of the bottom plate and the connecting disc through fastening screws.
The triangular supports are used for reinforcing the connecting structure, so that the bearing strength of the thin end of the bottom plate is ensured, and the integral rigidity of the tool is stabilized.
The connecting disc is a four-axis connecting disc which drives the processed traction hook part to rotate, and drilling and face milling processing of the processed part are completed.
The connecting disc is used for installing the frock on machining center four-axis and tailstock, and the finish machining content of the traction couple part of processing is two planes about the right-hand member, and processing this two planes needs the four-axis to rotate 90 and 270 respectively and can process the completion, and the four-axis connecting disc can drive device rotation 180, and drilling, face milling process are accomplished to clamping once.
Compared with the prior art, the invention has the following advantages:
(1) the efficiency is high, the cost is reduced, repeated clamping is not needed, the efficiency is convenient, the working procedures such as drilling, surface milling and the like can be completed at one time only by rotating the four shafts, and the tool changing and processing can be positioned by utilizing a numerical control program;
(2) the stability is good, the machining precision is high, and after the improvement, the phenomenon of machining inconsistency caused by the problem of blank dimensional tolerance is eliminated, so that the machining dimensional stability of the milling surface and the drilling is good, the machining deviation is reduced, and the machining quality of products is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
FIG. 5 is a schematic view of a portion of the present invention being machined to provide a traction hook component;
in the figure, 1 is a bottom plate, 2 is a cushion block seat, 3 is a reference block, 4 is a side plate, 5 is a connecting disc, 6 is a triangular support, 7 is an upper pressure plate, 8 is a rotating shaft, 9 is a second compression bolt, 10 is a first compression bolt, 11 is a bottom plate support, 12 is a positioning column, 13 is a positioning cone, 14 is a part to be processed with a traction hook, 15 is a fixing bolt, 16 is a notch, and 17 is a processing part.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Examples
A machining clamp for an automobile traction hook is shown in figures 1 and 2 and comprises a bottom plate 1, connecting discs 5 fixed at two ends of the bottom plate 1 through fixing bolts 15, and a positioning mechanism and a limiting mechanism which are arranged on the bottom plate 1; the traction hook component 14 being machined includes an end loop configuration at one end, a middle section, and a machining location 17 at the other end. As shown in fig. 3, the bottom plate 1 comprises a thick end and a thin end, the positioning mechanism and the limiting mechanism are installed on the thick end, the processing part 17 is located at the thin end, one side, far away from the processed traction hook part 14, of the thin end of the bottom plate 1 is provided with a bottom plate 1 support with the width being the same as that of the thin end, the thin end of the bottom plate 1 and the connecting disc 5 close to the thin end form a corner fixedly connected with a triangular support 6, and two right-angle sides of the triangular support 6 are respectively connected with the thin end of the bottom plate 1 and the connecting disc 5 through fastening screws. The connecting disc 5 is a four-axis connecting disc 5 which drives the processed traction hook part 14 to rotate so as to finish the drilling and face milling processing of the processing part 17.
As shown in fig. 4, the positioning mechanism includes an end positioning component disposed at one end of the bottom plate 1 and a middle positioning component disposed in the middle of the bottom plate 1; the end part circular ring structure of the processed traction hook part 14 is sleeved on the end part positioning assembly in a matching mode, and the inclined plane of the lower surface of the middle section of the processed traction hook part 14 is attached to the positioning inclined plane of the middle positioning assembly. Tip locating component includes cushion seat 2, reference column 12 and cup joints location awl 13 on reference column 12, 2 fixed mounting in the bight that bottom plate 1 and connection pad 5 are constituteed of cushion seat, be equipped with on cushion seat 2 and supply reference column 12 male interior screwed locating hole, the supporting cup joint on location awl 13 of tip ring structure of drawing couple part 14 by the processing, be equipped with the flange in the middle of the reference column 12, this flange is connected with the upper surface of cushion seat 2 is spacing, the upper surface of general cushion seat 2 is the inclined plane, this inclined plane of locating hole perpendicular to, make the reference column be the slope setting, the cooperation is processed the tip ring structure of drawing couple part 14. As shown in fig. 5, the middle positioning assembly comprises a reference block 3 fixed on the bottom plate 1, the upper surface of the reference block 3 is provided with a groove for accommodating the middle section of the processed traction hook part 14, and the upper surface of the reference block 3 without the groove forms a positioning inclined surface, namely the upper surfaces at two sides of the groove opening are the positioning inclined surfaces.
As shown in fig. 1 and fig. 2, the limiting mechanism comprises a concave structure mounting plate which is reversely mounted on the base plate 1 and a telescopic element which is arranged on the mounting plate, wherein the output end of the telescopic element abuts against the surface of the middle section of the part 14 to be processed to limit the part 14 to be processed; the mounting plate comprises two side plates 4 which are opposite in position and fixed on two sides of the bottom plate 1 and an upper pressing plate 7 arranged on the two side plates 4; the telescopic element comprises a first compression bolt 10 arranged on the side plates 4 and a second compression bolt 9 arranged on the upper pressure plate 7, the end parts of the first compression bolts 10 positioned on the two side plates 4 are respectively abutted to the two side surfaces of the middle section, and the end parts of the second compression bolts 9 are abutted to the upper surface of the middle section. Two upper press plates 7 are arranged and are parallelly arranged on the side plates 4, and a first compression bolt 10 is respectively arranged at the corresponding position of each side plate 4 on the two upper press plates 7; the second compression bolts 9 positioned on the upper pressure plate 7 are matched with the two first compression bolts 10 positioned below the upper pressure plate 7 to limit the middle section; the positions of the side plates 4 connected with the two ends of the upper pressing plate 7 are respectively provided with a rotating shaft 8 and a limiting shaft, one end of the upper pressing plate 7 is connected with the side plates 4 through the rotating shaft 8, and the other end of the upper pressing plate is provided with a notch 16 which is clamped with the limiting shaft.
The using method of the embodiment comprises the following steps:
two upper pressing plates 7 are rotated to an open position, an end circular ring structure of a processed traction hook part 14 is just sleeved on a positioning cone 13, the middle section of the processed traction hook part 14 is attached to a positioning inclined plane of a reference block, the upper pressing plates 7 are rotated to a limit position, an opening at the end part of each upper pressing plate 7 is just right inserted into a positioning shaft, then the upper surface of the middle section is tightly pressed by screwing a second pressing bolt 9, the position of a first pressing bolt positioned on the same side is fixed, the position of the first pressing bolt is designed to be just contacted with the processed traction hook part 14 after positioning, the side surface of the processed traction hook part 14 is tightly pressed by screwing the second pressing bolt 9 on the other side, and horizontal limiting is realized. Then the whole clamp is arranged on a four-axis and a tailstock of a machining center through a connecting disc 5, the whole clamp and the machined traction hook part 14 are driven to rotate through the connecting disc 5, the finish machining content of the machined traction hook part 14 is an upper plane and a lower plane of a machining end, and the machining of the two planes can be completed by respectively rotating the four axes by 90 degrees and 270 degrees; the connecting disc can drive the device to rotate 180 degrees, and the drilling, face milling and part 17 machining can be completed by one-time clamping, as shown in fig. 5.
Because the special shape of the processed product part, only the left plane and the right plane are processed, and no other processing content exists, a more accurate positioning reference does not exist, and the processing reference dimension on the processing drawing is the dimension requirement of the center of the circular ring end blank on the other side and the center of the plane. Because the ring end is the blank size, does not relate to the machine tooling size, so to the great tolerance range of blank size, need design automatic alignment or adjustable frock location benchmark. Therefore, the positioning column 12 can be displaced back and forth by utilizing an adjustable mechanism of the positioning column 12 and the positioning cone 13, the positioning column 12 is in threaded connection with the positioning hole, the mounting position of the positioning column 12 can be adjusted, the positioning cone is driven to displace, the processed hook ring is sleeved on the positioning cone 13, and then fine processing is carried out after locking through a bolt.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (10)
1. The machining clamp for the automobile traction hook is characterized by comprising a bottom plate (1), connecting discs (5) fixed at two ends of the bottom plate (1), and a positioning mechanism and a limiting mechanism which are arranged on the bottom plate (1);
the positioning mechanism comprises an end positioning component arranged at one end of the bottom plate (1) and a middle positioning component arranged in the middle of the bottom plate (1); the end part circular ring structure of the processed traction hook part (14) is sleeved on the end part positioning assembly in a matched mode, the inclined surface of the lower surface of the middle section of the processed traction hook part (14) is attached to the positioning inclined surface of the middle positioning assembly, and the other end part of the processed traction hook part (14) is a processing part (17);
the limiting mechanism comprises a concave structure mounting plate which is reversely mounted on the bottom plate (1) and a telescopic element arranged on the mounting plate, and the output end of the telescopic element abuts against the surface of the middle section of the part (14) to be processed to limit the part (14) to be processed;
the bottom plate (1) comprises a thick end and a thin end, the positioning mechanism and the limiting mechanism are installed on the thick end, and the machining part (17) is located at the thin end.
2. The machining clamp for the automobile traction hook is characterized in that the end positioning assembly comprises a cushion block seat (2) and a positioning column (12), the cushion block seat (2) is fixedly installed at a corner formed by the bottom plate (1) and the connecting disc (5), a positioning hole for the positioning column (12) to insert is formed in the cushion block seat (2), and an end circular ring structure of a part (14) to be machined of the traction hook is sleeved on the positioning column (12) in a matched mode.
3. The machining fixture for the automobile towing hook according to claim 2, characterized in that the end positioning assembly further comprises a positioning cone (13) sleeved on the positioning column (12) through threads, and an end ring structure of the part (14) to be machined towing hook is sleeved on the positioning column (12) in a matching manner.
4. The machining clamp for the automobile traction hook is characterized in that the positioning column (12) is in threaded connection with the positioning hole.
5. A jig for machining a towing hitch for automobiles as claimed in claim 1, wherein said intermediate positioning means comprises a reference block (3) fixed to said base plate (1), the upper surface of said reference block (3) is provided with a recess for receiving the projecting middle section of said part (14) of the towing hitch to be machined, and the upper surface of said reference block (3) excluding the recess portion is said positioning slope.
6. The processing clamp for the automobile traction hook is characterized in that the mounting plate comprises two side plates (4) which are opposite in position and fixed on two sides of the bottom plate (1) and an upper pressing plate (7) arranged on the two side plates (4); the telescopic element comprises first compression bolts (10) arranged on the side plates (4) and second compression bolts (9) arranged on the upper pressure plate (7), the end parts of the first compression bolts (10) positioned on the two side plates (4) are respectively abutted to the side surfaces of the two sides of the middle section, and the end parts of the second compression bolts (9) are abutted to the upper surface of the middle section.
7. The machining clamp for the automobile traction hook according to claim 6,
the two upper pressing plates (7) are arranged in parallel on the side plates (4), and a first pressing bolt (10) is arranged at the corresponding position of each side plate (4) on the two upper pressing plates (7); the second compression bolt (9) positioned on the upper pressure plate (7) is matched with the two first compression bolts (10) positioned below the upper pressure plate (7) to limit the middle section;
curb plate (4) with the position that top board (7) both ends are connected is equipped with rotation axis (8) and spacing axle respectively, the one end of top board (7) pass through rotation axis (8) with curb plate (4) are connected, and the other end is equipped with breach (16), with spacing axle joint.
8. The machining clamp for the automobile traction hook is characterized in that a side, away from the part (14) to be machined, of the thin end of the bottom plate (1) is provided with a bottom plate (1) support with the width being the same as that of the thin end.
9. The machining clamp for the automobile traction hook is characterized in that a triangular support (6) is fixedly connected to a corner formed by the thin end of the base plate (1) and the connecting disc (5) close to the thin end, and two right-angle sides of the triangular support (6) are respectively connected with the thin end of the base plate (1) and the connecting disc (5) through fastening screws.
10. The machining clamp for the automobile traction hook as claimed in claim 1, wherein the connecting disc (5) is a four-axis connecting disc (5) which drives the part (14) to be machined to rotate, and the machining of the machining part (17) through drilling and milling is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911313060.8A CN112975482A (en) | 2019-12-18 | 2019-12-18 | Machining clamp for automobile traction hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911313060.8A CN112975482A (en) | 2019-12-18 | 2019-12-18 | Machining clamp for automobile traction hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112975482A true CN112975482A (en) | 2021-06-18 |
Family
ID=76344093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911313060.8A Pending CN112975482A (en) | 2019-12-18 | 2019-12-18 | Machining clamp for automobile traction hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112975482A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113941881A (en) * | 2021-11-23 | 2022-01-18 | 苏州经贸职业技术学院 | Machine tool fixture for machining robot arm parts |
| CN115383488A (en) * | 2022-08-26 | 2022-11-25 | 天津铁路信号有限责任公司 | Clamping device of latch hook |
| CN115647850A (en) * | 2022-09-20 | 2023-01-31 | 江苏立一新材料科技有限公司 | Draw gear is used in processing of bearing copper sheathing |
| CN115837572A (en) * | 2023-02-21 | 2023-03-24 | 江苏华鹏智能仪表科技股份有限公司 | Watchcase automatic hooking device and working method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4399603A (en) * | 1980-11-17 | 1983-08-23 | Giddings & Lewis, Inc. | Power grip tool exchange arm for machining center |
| CN205008627U (en) * | 2015-09-23 | 2016-02-03 | 上海国上机电科技有限公司 | Be used for processing particular form through -hole and planar hook attachment for trailer connecting device |
| CN211361439U (en) * | 2019-12-18 | 2020-08-28 | 上海国上机电科技有限公司 | Machining clamp for automobile traction hook |
-
2019
- 2019-12-18 CN CN201911313060.8A patent/CN112975482A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4399603A (en) * | 1980-11-17 | 1983-08-23 | Giddings & Lewis, Inc. | Power grip tool exchange arm for machining center |
| CN205008627U (en) * | 2015-09-23 | 2016-02-03 | 上海国上机电科技有限公司 | Be used for processing particular form through -hole and planar hook attachment for trailer connecting device |
| CN211361439U (en) * | 2019-12-18 | 2020-08-28 | 上海国上机电科技有限公司 | Machining clamp for automobile traction hook |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113941881A (en) * | 2021-11-23 | 2022-01-18 | 苏州经贸职业技术学院 | Machine tool fixture for machining robot arm parts |
| CN115383488A (en) * | 2022-08-26 | 2022-11-25 | 天津铁路信号有限责任公司 | Clamping device of latch hook |
| CN115647850A (en) * | 2022-09-20 | 2023-01-31 | 江苏立一新材料科技有限公司 | Draw gear is used in processing of bearing copper sheathing |
| CN115837572A (en) * | 2023-02-21 | 2023-03-24 | 江苏华鹏智能仪表科技股份有限公司 | Watchcase automatic hooking device and working method thereof |
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Application publication date: 20210618 |