CN209830998U - Semi-fine boring hydraulic clamp - Google Patents
Semi-fine boring hydraulic clamp Download PDFInfo
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- CN209830998U CN209830998U CN201920343482.9U CN201920343482U CN209830998U CN 209830998 U CN209830998 U CN 209830998U CN 201920343482 U CN201920343482 U CN 201920343482U CN 209830998 U CN209830998 U CN 209830998U
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- connecting rod
- rod
- locating piece
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Abstract
The utility model discloses a semi-fine boring hydraulically operated fixture, which comprises a mounting bas, establish positioning fixture and zero point positioning system on the mount pad, positioning fixture is including establishing main aspects locating piece and the tip locating piece on the mount pad, carry out the automatic positioning mechanism who presss from both sides tightly on placing main aspects locating piece and tip locating piece after fixing a position the connecting rod again, compress tightly fixed main aspects hold-down mechanism and tip hold-down mechanism to the connecting rod both ends, positioning mechanism is including establishing main aspects locating pin and tip locating pin and the lift hydraulic cylinder on the mount pad, it is fixed to wait to press on moving main aspects locating piece and the tip locating piece again after the positioning mechanism location at the both ends of processing connecting rod. The automatic mold changing machine has the advantages that the quick mold changing function of the clamp can be realized, a large amount of debugging and mold changing time is saved, the positioning and clamping and automatic processing are controlled by an automatic program, the capability requirement and the labor intensity of an operator are reduced, the structure is simple, the process is simple and convenient, the labor intensity is low, the working efficiency is high, the manual requirement is few, and the production cost is low.
Description
Technical Field
The utility model relates to a frock clamp technical field, concretely relates to semi-fine boring hydraulically operated fixture.
Background
Advanced machining processes are an important basis for meeting engine performance requirements and are an effective way to improve engine product competitiveness. The connecting rod expansion fracture technology (also called connecting rod cracking technology) is a new connecting rod manufacturing technology which is developed and matured in developed countries of the automobile industry in 90 years in the 20 th century, is a great revolution on the traditional connecting rod processing technology, and becomes an important mark of the development level of the national engine connecting rod manufacturing industry. The connecting rod is a core component of the diesel engine, the quality of the connecting rod directly influences the overall performance of the diesel engine, and the connecting rod comprises a small connecting rod head, a large connecting rod head, a rod body connecting the small connecting rod head and the large connecting rod head into a whole, and a rod cover fixedly and detachably connected with the large connecting rod head.
At present, in the clamps processed in the semi-fine boring process of the fractured connecting rod, all adopted clamps are one-station vertical clamps, are used on a special boring machine, can only process one connecting rod at a time, and cannot meet the requirement of quick die change.
The current trend of connecting rod processing is to adopt general CNC equipment, so the anchor clamps structure needs to adopt horizontal, and the production of many varieties small batch is also a development trend, so it is inevitable trend to realize quick retooling, can save a large amount of debugging and examination processing check-out time.
SUMMERY OF THE UTILITY MODEL
In order to solve certain or some technical problem that exists among the prior art, the utility model provides a semi-fine boring hydraulically operated fixture can realize anchor clamps retooling function fast, has saved a large amount of debugging and retooling time, and automatic program control location presss from both sides tightly and automatic processing, has reduced ability requirement and intensity of labour to the operator, simple structure, and the process is simple and convenient, low in labor strength, and work efficiency is high, and the manual demand is few, low in production cost.
For solving the above-mentioned prior art problem, the utility model discloses a following scheme:
the utility model provides a semi-fine boring hydraulically operated fixture, includes the mount pad, establishes carry out a plurality of positioning fixture that press from both sides tight location, establish to the connecting rod on the mount pad zero point positioning system on the mount pad, positioning fixture is including establishing carry out fixed main aspects locating piece and tip locating piece, establish to the both ends of connecting rod respectively on the mount pad and support automatically place again after fixing a position the connecting rod on main aspects locating piece and the tip locating piece go on pressing from both sides tight positioning mechanism, establish compress tightly fixed main aspects compacting mechanism and tip compacting mechanism to the connecting rod both ends respectively on the mount pad, positioning mechanism is including establishing main aspects locating pin and tip locating pin on the mount pad, right main aspects locating pin and tip locating pin carry out automatic lift control's lift oil pressure cylinder, treat that the both ends of processing connecting rod pass through behind main aspects locating pin and the tip locating pin location rethread the lift oil pressure cylinder moves to main aspects locating piece and tip locating pin And the positioning block is pressed and fixed.
Furthermore, the big-end pressing mechanism comprises side corner pressing blocks arranged at two ends, transfer corner pressing blocks arranged between two adjacent big-end positioning blocks, and corner oil cylinders arranged at the bottoms of the side corner pressing blocks and the transfer corner pressing blocks, and the big end of the connecting rod on the big-end positioning block is pressed and fixed or loosened after the side corner pressing blocks and the transfer corner pressing blocks are rotated by the respective corner oil cylinders.
Furthermore, the side corner pressing block comprises a side rotating pressing plate and a side pressing rod, the middle rotating pressing plate is connected to the corner oil cylinder in a rotating mode, the side pressing rod is arranged at one end of the side rotating pressing plate, the middle rotating pressing plate is connected to the corner oil cylinder in a rotating mode, the middle pressing rod is arranged at two ends of the middle rotating pressing plate, and the side pressing rod and the middle pressing rod are arranged in parallel.
Furthermore, the other end of the side rotating pressing plate is provided with a positioning rod, the mounting seat is provided with two supporting columns, the top ends of the supporting columns are provided with adjusting supporting nails, and the positioning rod is supported and positioned through the adjusting supporting nails when the side pressing rod rotates to press the connecting rod tightly.
Furthermore, a bridge connecting plate is arranged at the bottom of each of the large-end positioning pin and the small-end positioning pin, and the large-end positioning pin and the small-end positioning pin are connected with the lifting oil hydraulic cylinder through the bridge connecting plate.
Furthermore, the cross section of the top of the large-end positioning pin is in a diamond shape, and the cross section of the top of the small-end positioning pin is in a circular shape.
Furthermore, the small end pressing mechanism comprises a lever oil hydraulic cylinder arranged on the mounting seat and a lever pressing plate arranged on the mounting seat and driven by the lever oil hydraulic cylinder, and the small end of the connecting rod on the small end positioning block is pressed and fixed through the lever pressing plate.
Furthermore, be equipped with four groups of positioning fixture on the mount pad, the mount pad includes the bottom plate, establishes a plurality of supporting seats on the bottom plate, passes through the roof that the supporting seat is fixed, positioning system at zero point is located the bottom of roof, the lift hydraulic cylinder is located the bottom and the telescopic link of roof set up down.
Compared with the prior art, the beneficial effects of the utility model reside in that:
when the connecting rod is clamped, the holes at the two ends of the connecting rod are positioned by the big end positioning pin and the small end positioning pin, the connecting rod is pressed by the big end pressing mechanism and the small end pressing mechanism, and the big end positioning pin and the small end positioning pin are simultaneously contracted by the lifting oil hydraulic cylinder so that the connecting rod is pressed and fixed on the big end positioning block and the small end positioning block, when the big end positioning pin and the small end positioning pin are contracted to the lower end of the connecting rod, the big end positioning pin and the small end positioning pin can be quickly processed by the processing center, the big end hole and the small end hole are positioned and processed by the big end hole and the small end hole of the connecting rod, and the zero positioning system is used, so that the quick die changing function of the clamp can be realized, the position precision reaches 0.005mm after the quick die changing is carried out for many times, a large amount of debugging and die changing time is saved, if the whole line is popularized, one, simple structure, the process is simple and convenient, low in labor strength, work efficiency is high, and artifical demand is few, low in production cost.
Drawings
FIG. 1 is a perspective view showing the state of the connecting rod being clamped according to the present invention;
FIG. 2 is a side sectional view of the clamping link according to the present invention;
fig. 3 is a top view of the state of the clamping connecting rod of the present invention;
in the figure: the hydraulic lifting device comprises a lever pressing plate 1, a lever oil hydraulic cylinder 2, a small end pressing mechanism 3, a corner oil cylinder 4, a supporting column 5, an adjusting supporting nail 6, a large end pressing mechanism 7, a positioning rod 8, a small end positioning block 9, a medium pressure rod 10, a medium rotating pressing plate 11, a medium rotating pressing block 12, a positioning clamp 13, a side pressing rod 14, a side rotating pressing plate 15, a side rotating pressing block 16, a top plate 17, a mounting seat 18, a bottom plate 19, a supporting seat 20, a small end positioning pin 21, a zero point positioning system 22, a positioning mechanism 23, a large end positioning block 24, a large end positioning pin 25, a bridge type connecting plate 26 and a lifting oil hydraulic cylinder 27.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
As shown in fig. 1 to 3, a semi-fine boring hydraulic fixture comprises an installation base 18, a plurality of positioning fixtures 13 arranged on the installation base 18 for clamping and positioning a connecting rod, and a zero point positioning system 22 arranged on the installation base 18, wherein each positioning fixture 13 comprises a large end positioning block 24 and a small end positioning block 9 arranged on the installation base 18 for supporting and fixing two ends of the connecting rod, respectively, a positioning mechanism 23 arranged on the installation base 18 for positioning the connecting rod and then automatically placing the connecting rod on the large end positioning block 24 and the small end positioning block 9 for clamping, a large end pressing mechanism 7 and a small end pressing mechanism 3 arranged on the installation base 18 for respectively pressing and fixing two ends of the connecting rod, the positioning mechanism 23 comprises a large end positioning pin 25 and a small end positioning pin 21 arranged on the installation base 18, and a lifting oil hydraulic cylinder 27 for automatically controlling lifting and lowering of the large end positioning pin 25 and the small end positioning pin 21, and after being positioned by the large-end positioning pin 25 and the small-end positioning pin 21, the two ends of the connecting rod to be processed move to the large-end positioning block 24 and the small-end positioning block 9 through the lifting oil hydraulic cylinder 27 to be pressed and fixed.
In the actual operation process, the hydraulic clamp is detachably fixed on a machining center operating table through the mounting seat 18 and is connected with a hydraulic system through a hydraulic pipeline, so that the hydraulic clamp can be directly and automatically controlled through a machining center operating system, because the hydraulic clamp is directly matched with the machining center, the positioning clamp 13 generally adopts a plurality of parallel forms, so that the machining efficiency is improved, the large-end positioning block 24 and the small-end positioning block 9 are generally upwards installed on the mounting seat 18, when a connecting rod is to be machined, the large-end positioning pin 25 and the small-end positioning pin 21 in the positioning mechanism 23 are higher than the large-end positioning block 24 and the small-end positioning block 9, the large-end pressing mechanism 7 and the small-end pressing mechanism 3 are in a loose state, an operator firstly places the connecting rod on the positioning mechanism 23 and positions holes at two ends through the large-end positioning pin 25 and the small-end positioning pin 21, then starting a program to enable the big end pressing mechanism 7 and the small end pressing mechanism 3 to clamp the connecting rod, simultaneously enabling the big end positioning pin 25 and the small end positioning pin 21 to contract downwards through the lifting oil hydraulic cylinder 27, enabling the big end pressing mechanism 7 and the small end pressing mechanism 3 to realize pressing and positioning on the connecting rod after the bottom of the connecting rod is contacted with the big end positioning block 24 and the small end positioning block 9, enabling the big end positioning pin 25 and the small end positioning pin 21 to continue to contract downwards until the big end positioning pin and the small end positioning pin exit from the big small hole, then processing each connecting rod hole through the processing center, after the processing is finished, enabling the big end positioning pin 25 and the small end positioning pin 21 to contact with the connecting rod after being lifted through the lifting oil hydraulic cylinder 27 and reset upwards, resetting and releasing the big end pressing mechanism 7 and the small end pressing mechanism 3, thereby replacing the processed connecting rod, positioning and processing big and small end holes through the big end hole and the small end hole of the connecting rod, and using the zero point, the fixture quick die change function can be realized, the position precision reaches 0.005mm after the fixture is quickly changed for many times, a large amount of debugging and die change time is saved, if the whole line is popularized, one debugging person of a machining center can be reduced, automatic program control positioning clamping and automatic machining are realized, the capability requirement and labor intensity of operators are reduced, the structure is simple, the process is simple and convenient, the labor intensity is low, the working efficiency is high, the manual demand is less, and the production cost is low.
Preferably, the large-end pressing mechanism 7 comprises side corner pressing blocks 16 arranged at two ends, a middle corner pressing block 12 arranged between two adjacent large-end positioning blocks 24, and corner oil cylinders 4 arranged at the bottoms of the side corner pressing blocks 16 and the middle corner pressing block 12, and the large ends of the connecting rods on the large-end positioning blocks 24 are pressed and fixed or loosened by rotating the side corner pressing blocks 16 and the middle corner pressing block 12 through the respective corner oil cylinders 4.
When the big end of the connecting rod is pressed and fastened through the big end pressing mechanism 7, the two sides of the big end of the connecting rod are clamped and fixed by adopting the combination of the side turning angle pressing block 16 and the middle turning angle pressing block 12 or are clamped and fixed by adopting the combination of the two middle turning angle pressing blocks 12, the side turning angle pressing block 16 and the middle turning angle pressing block 12 both adopt the positive and negative rotation of the turning angle oil cylinder 4 to clamp and loosen the big end of the connecting rod, the operation space of the big end of the connecting rod can be larger in the loosening state, the replacement is quicker, the operation space of a processing hole can not be influenced, meanwhile, the two sides are clamped and fixed, after the big end positioning block 24 is combined, the big end is positioned in at least three directions of the bottom and the sides, the processing center stretches from top to bottom and moves transversely, the positioning direction is more comprehensive in the processing process, the positioning precision is better, when the big end of the connecting rod is, the clamping can be realized only by rotating the side corner pressing block 16 and the middle corner pressing block 12 through the corner oil cylinder 4, the clamping efficiency is higher, the height operation space required by the die is smaller, especially when a plurality of positioning clamps 13 are combined for use, one side positioning of the big head ends of the two connecting rods can be realized through one corner pressing block 12, and only one corner oil cylinder 4 is needed, so that the production cost is lower.
Further, the side corner pressing block 16 comprises a side rotating pressing plate 15 with the middle part being connected to the corner oil cylinder 4 in a rotating manner, and a side pressing rod 14 arranged at one end of the side rotating pressing plate 15, the middle corner pressing block 12 comprises a middle rotating pressing plate 11 with the middle part being connected to the corner oil cylinder 4 in a rotating manner, and middle pressing rods 10 arranged at two ends of the middle rotating pressing plate 11, and the side pressing rod 14 and the middle pressing rod 10 are arranged in parallel.
When the outer side of the big head end of the connecting rod is clamped and fastened through the side corner pressing block 16 and the middle corner pressing block 12, the side rotating pressing plate 15 and the middle rotating pressing plate 11 are arranged on rotating shafts of corner oil cylinders 4 controlled by the side rotating pressing block 16 and the middle corner pressing block 12 respectively, the side pressing rod 14 and the middle rotating pressing plate 15 are connected in a corner mode, the middle rotating pressing plate 11 and the middle pressing rod 10 are connected in a corner mode, the side pressing rod 14 and the middle pressing rod 10 are arranged in parallel, the pressing central point is located at the position of 45 degrees outside the connecting rod when the side pressing rod 14 and the middle pressing rod 10 are pressed, therefore, the connecting rod can be transversely positioned in the front, the back, the left and the right directions and simultaneously, the upper end pressing is realized, the pressing surface of the middle pressing rod 10 of the side pressing rod 14 generally consists of a downward pressing plane located at the bottom and a side pressing surface of an, when the connecting rod is compressed, the mutual supporting and balancing effects can be achieved, and the phenomenon that the workpiece is loosened due to cutting force in the machining process is prevented.
More closely, the other end of side rotating pressing plate 15 is equipped with locating lever 8, be equipped with two support columns 5 on the mount pad 18, the top of support column 5 is equipped with regulation support nail 6, when side depression bar 14 rotates and compresses tightly the connecting rod locating lever 8 passes through regulation support nail 6 supports the location.
In order to avoid the phenomenon that the clamping force of the side rotating pressing plate 15 is not enough to cause looseness in the machining process of a workpiece, a positioning rod 8 is formed at the other end of the side rotating pressing plate 15 in a length extending mode, an adjusting support nail 6 is installed on an installation seat 18, when the side pressing rod 14 rotates to press a connecting rod, one end of the positioning rod 8 can be supported and positioned through the adjusting support nail 6, so that the stability of a side corner pressing block 16 is better, the clamping force and the pressing force are larger, the adjusting support nail 6 is fixed on a support column 5 through thread rotation, the height of the adjusting support nail 6 can be adjusted according to different conditions, the adjusting support nail 6 is enabled to be effectively supported, and the side rotating pressing plate is more convenient to produce and install.
Meanwhile, the bottoms of the large-end positioning pin 25 and the small-end positioning pin 21 are provided with a bridge connection plate 26, and the large-end positioning pin 25 and the small-end positioning pin 21 are connected with the lifting oil hydraulic cylinder 27 through the bridge connection plate 26.
When the lifting oil hydraulic cylinder 27 is used for controlling the lifting of the large-end positioning pin 25 and the small-end positioning pin 21, the bottoms of the large-end positioning pin 25 and the small-end positioning pin 21 are connected with the lifting oil hydraulic cylinder 27 through the bridge type connecting plate 26, the synchronous up-down movement effect can be realized, and the positioning precision of the connecting rod in the installation process is higher.
Further, the cross section of the top of the large-end positioning pin 25 is diamond-shaped, and the cross section of the top of the small-end positioning pin 21 is circular.
When the positioning device is installed, the small head end is directly positioned by the stepped cylinder, the positioning precision of the small head end can be ensured, the large head end is positioned by the cylinder with the rhombic cross section at the upper end, two-point positioning is adopted between the large end positioning pin 25 and the large end hole, the high positioning precision is ensured, meanwhile, the disassembly and the assembly are quicker, the friction force is smaller, and particularly, when two ends are inserted simultaneously, the operation is simpler and more convenient.
Further, the small end pressing mechanism 3 comprises a lever oil hydraulic cylinder 2 arranged on the mounting seat 18 and a lever pressing plate 1 arranged on the mounting seat 18 and driven by the lever oil hydraulic cylinder 2, and the small end of the connecting rod on the small end positioning block 9 is pressed and fixed by the lever pressing plate 1.
The small-end pressing mechanism 3 compresses and fixes the workpiece through the lever pressing plate 1, a groove matched with the workpiece in a pressing mode is formed in the pressing end of the lever pressing plate 1, so that the workpiece has two pressing areas, namely a side face pressing area and a top face pressing area, the other end of the lever pressing plate is connected with the piston rod of the lever oil hydraulic cylinder 2, pressing and loosening can be achieved only through stretching and retracting of the piston rod of the lever oil hydraulic cylinder 2 during operation, operation is simple and convenient, and pressing force is large.
Further, four sets of positioning fixtures 13 are arranged on the mounting seat 18, the mounting seat 18 includes a bottom plate 19, a plurality of supporting seats 20 arranged on the bottom plate 19, and a top plate 17 fixed by the supporting seats 20, the zero point positioning system 22 is located at the bottom of the top plate 17, and the lifting oil hydraulic cylinder 27 is located at the bottom of the top plate 17 and the telescopic rod is arranged downwards.
When the positioning clamp 13 is installed through the installation seat 18, because the machining center is adopted for machining, four groups of positioning clamps 13 are adopted, the universality is stronger, the lifting oil hydraulic cylinder 27 in the positioning clamp 13 is arranged at the bottom of the top plate 17 and is arranged towards the bottom, the large end positioning pin 25 and the small end positioning pin 21 penetrate through the top plate 17 and are connected through a bridge connecting plate 26, under the condition of the same height of the hydraulic clamp, the length of the big end positioning pin 25 and the small end positioning pin 21 can be larger, the stability is better, the telescopic distance is larger, the whole structure is changed from a vertical structure to a horizontal structure, and can process a plurality of workpieces simultaneously, realize the purpose of fast changing the clamp, save a great deal of debugging and trial processing detection time, the efficiency is higher for small-scale production, and one or more cylindrical supporting seats 20 can be selected as the zero-point positioning in the zero-point positioning system 22.
In the above technical solutions, the zero point positioning system 22 may be removed alone for practical use.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (8)
1. The semi-fine boring hydraulic clamp is characterized in that: including the mount pad, establish a plurality of positioning fixture that press from both sides tight location, establish to the connecting rod on the mount pad zero point positioning system on the mount pad, positioning fixture is including establishing support fixed main aspects locating piece and tip locating piece, establish respectively to the both ends of connecting rod on the mount pad the automatic positioning again after fixing a position the connecting rod on the mount pad carry out tight positioning mechanism, establish carry out on the main aspects locating piece and the tip locating piece press from both sides tight main aspects pressing mechanism and tip pressing mechanism who fixes respectively to the connecting rod both ends on the mount pad, positioning mechanism is including establishing main aspects locating pin and tip locating pin on the mount pad, right main aspects locating pin and tip locating pin carry out automatic lift control's lift hydraulic cylinder, wait to process the both ends of connecting rod and pass through behind the main aspects locating pin and the tip locating pin location rethread lift hydraulic cylinder moves go up and press to fasten on the main aspects locating piece and the tip locating piece and fix .
2. The semi-fine boring hydraulic clamp of claim 1, wherein: the big-end pressing mechanism comprises side corner pressing blocks arranged at two ends, transfer corner pressing blocks arranged between two adjacent big-end positioning blocks and corner oil cylinders arranged at the bottoms of the side corner pressing blocks and the transfer corner pressing blocks, and the big end of the connecting rod on the big-end positioning block is pressed and fixed or loosened after the side corner pressing blocks and the transfer corner pressing blocks rotate through the respective corner oil cylinders.
3. The semi-fine boring hydraulic clamp of claim 2, wherein: the side corner pressing block comprises a side rotating pressing plate and a side pressing rod, the middle rotating pressing plate is connected to the corner oil cylinder in a rotating mode, the side pressing rod is arranged at one end of the side rotating pressing plate, the middle rotating pressing plate is connected to the corner oil cylinder in a rotating mode, the middle pressing rod is arranged at two ends of the middle rotating pressing plate, and the side pressing rod is parallel to the middle pressing rod.
4. The semi-fine boring hydraulic clamp of claim 3, wherein: the other end of the side rotating pressing plate is provided with a positioning rod, the mounting seat is provided with two supporting columns, the top ends of the supporting columns are provided with adjusting supporting nails, and the positioning rod passes through the adjusting supporting nails for supporting and positioning when the side pressing rod rotates to press the connecting rod tightly.
5. The semi-fine boring hydraulic clamp according to any one of claims 1 to 4, wherein: the bottom of the big end positioning pin and the bottom of the small end positioning pin are provided with a bridge type connecting plate, and the big end positioning pin and the small end positioning pin are connected with the lifting oil hydraulic cylinder through the bridge type connecting plate.
6. The semi-fine boring hydraulic clamp of claim 5, wherein: the cross section of the top of the big end positioning pin is in a diamond shape, and the cross section of the top of the small end positioning pin is in a circular shape.
7. The semi-fine boring hydraulic clamp according to any one of claims 1 to 4, wherein: the small-end pressing mechanism comprises a lever oil hydraulic cylinder arranged on the mounting seat and a lever pressing plate arranged on the mounting seat and driven by the lever oil hydraulic cylinder, and the small end of the connecting rod on the small-end positioning block is pressed and fixed through the lever pressing plate.
8. The semi-fine boring hydraulic clamp of claim 7, wherein: the mounting base is provided with four groups of positioning fixtures and comprises a bottom plate, a plurality of supporting seats arranged on the bottom plate and a top plate fixed by the supporting seats, the zero positioning system is arranged at the bottom of the top plate, and the lifting oil hydraulic cylinder is arranged at the bottom of the top plate and the telescopic rod is arranged downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920343482.9U CN209830998U (en) | 2019-03-18 | 2019-03-18 | Semi-fine boring hydraulic clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920343482.9U CN209830998U (en) | 2019-03-18 | 2019-03-18 | Semi-fine boring hydraulic clamp |
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| Publication Number | Publication Date |
|---|---|
| CN209830998U true CN209830998U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920343482.9U Active CN209830998U (en) | 2019-03-18 | 2019-03-18 | Semi-fine boring hydraulic clamp |
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| CN (1) | CN209830998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473576A (en) * | 2022-03-03 | 2022-05-13 | 宝钢湛江钢铁有限公司 | Multifunctional plate sample machining combined clamp and machining method |
-
2019
- 2019-03-18 CN CN201920343482.9U patent/CN209830998U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473576A (en) * | 2022-03-03 | 2022-05-13 | 宝钢湛江钢铁有限公司 | Multifunctional plate sample machining combined clamp and machining method |
| CN114473576B (en) * | 2022-03-03 | 2023-07-28 | 宝钢湛江钢铁有限公司 | Multifunctional plate sample processing combined clamp and processing method |
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