CN113333364B - Piston clamping device - Google Patents
Piston clamping device Download PDFInfo
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- CN113333364B CN113333364B CN202110704034.9A CN202110704034A CN113333364B CN 113333364 B CN113333364 B CN 113333364B CN 202110704034 A CN202110704034 A CN 202110704034A CN 113333364 B CN113333364 B CN 113333364B
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- piston
- movable block
- clamping
- hole
- bottom plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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Abstract
The piston clamping device comprises a piston, a bottom plate and a plurality of clamping pieces which are arranged on the bottom plate and used for fixing the piston, wherein the plurality of clamping pieces are uniformly distributed around the central axis of the bottom plate; the piston is a hollow structure with an opening at the bottom, and one side of the clamping piece is clamped in the piston. The clamping piece is clamped into the inner wall of the piston, so that the installation and the operation are simple and convenient. A plurality of clamping pieces are uniformly distributed around the central axis of the bottom plate, the utilization rate of a space is high relative to the transverse arrangement, and meanwhile, the efficiency of flushing the piston is improved.
Description
Technical Field
The invention relates to the technical field of piston salt core flushing, in particular to a piston clamping device.
Background
Salt core aluminum pistons are important components of internal combustion engines. The salt core aluminum piston is an aluminum piston which adopts a water-soluble salt core method to form an internal cooling oil cavity, namely, a salt core is made of water-soluble salt (salt) with lower cost, during casting, supporting pins are inserted into two pin holes of the salt core, the salt core is placed on a piston mold and used as a mold core of the oil cavity, the aluminum piston is cast, then an oil inlet hole and an oil outlet hole are drilled, the salt core is punched out by high-pressure water, and finally, the cooling oil cavity which is matched with the shape of the salt core is formed.
However, the existing flushing device is not provided with a piston clamping device, and the piston is easy to displace in the process of flushing the piston by high-pressure water, so that the flushing is not clean.
Disclosure of Invention
The invention aims to solve the technical problem of providing a piston clamping device which can stably fix a piston.
In order to solve the technical problems, the invention adopts the following technical scheme:
the piston clamping device comprises a piston, a bottom plate and a plurality of clamping pieces which are arranged on the bottom plate and used for fixing the piston, wherein the plurality of clamping pieces are uniformly distributed around the central axis of the bottom plate; the piston is a hollow structure with an opening at the bottom, and one side of the clamping piece is clamped in the piston.
As a further improvement of the above technical solution:
the clamping piece comprises a supporting plate, a fixed block and a movable block, wherein the supporting plate is fixedly connected with a groove-shaped pivot seat, one side of the movable block is inserted into the groove of the pivot seat, the pivot seat is provided with a pivot shaft penetrating through two sides of the pivot seat and the movable block, the pivot shaft is sleeved with a single spring, the axial pre-tightening force between the movable block and the pivot shaft is provided by the elastic deformation of the single spring, one end of the single spring is connected with the movable block, the other end of the single spring is connected with the supporting plate, and the fixed block is fixedly arranged on the supporting plate and is arranged at an interval with the movable block; inside fixed block and movable block blocked the piston by the piston opening card, under the elastic force effect of single spring, fixed block and movable block all withstood piston inner wall. The fixed block and the movable block are clamped into the inner wall of the piston, the movable block is increased in distance from the fixed block under the elastic action of the single spring, and the fixed block and the movable block jointly act to expand the inner wall of the piston, so that the piston is fixed on the clamping piece. The supporting plate and the movable block are connected through the pivot, so that the movable block can flexibly rotate, the elastic fixing structure of the clamping piece is high in stability, and the clamping piece is convenient to disassemble.
Furthermore, the supporting plate is provided with a first through hole, and the fixed block and the movable block are respectively positioned on two sides of the first through hole. The first through hole is communicated with the interior of the piston, so that flushing liquid in the process of flushing the piston can be discharged conveniently.
Furthermore, the pivot seat is fixedly connected with a limiting block, and the end of the single spring and the limiting block clamp the movable block. The single spring and the limiting block act together to clamp the movable block, so that the movable block is prevented from rotating around the pivot, and the fixed block and the movable block are conveniently clamped into the piston at the same time.
Furthermore, the limiting block is supported below the bottom end face of the piston. The limiting block supports the bottom end face of the piston, and stability of the piston fixed by the clamping piece is improved.
Furthermore, the single spring is close to movable block one end and is equipped with the extension pole portion that upwards extends and the portion of bending that extends and form by the free end of extension pole portion bends right, and extension pole portion and the portion of bending all withstand the movable block and all with stopper combined action centre gripping movable block. The contact area between the single spring and the movable block is increased, and the stability of the fixed piston of the clamping piece is improved.
The clamping piece is six, the bottom plate is disc-shaped, a second through hole is formed in the position, opposite to the clamping piece, of the bottom plate, and the second through hole is communicated with the first through hole. The first through hole, the second through hole and the piston are communicated with each other, so that flushing liquid in the piston flushing process can be discharged conveniently.
Furthermore, a third through hole is formed in the center of the bottom plate, and the third through hole is petal-shaped. The piston clamping device is convenient to move, and the bottom plate material is saved, the weight of the bottom plate is reduced.
Furthermore, the bottom plate is provided with a plurality of auxiliary holes which penetrate through the bottom plate, and the plurality of auxiliary holes are uniformly distributed around the central axis of the bottom plate. The piston clamping device is convenient to move, and the bottom plate material is saved, the weight of the bottom plate is reduced. And a plurality of auxiliary holes are uniformly distributed around the central axis of the bottom plate, and a plurality of clamping pieces are uniformly distributed around the central axis of the bottom plate and are uniformly distributed, so that the stress of the bottom plate is uniform, the stress concentration is avoided, and the service life of the piston clamping device is prolonged.
The clamping piece is connected with the bottom plate through a sunk screw. Preferably, each clamping piece is provided with four countersunk head screws which are uniformly distributed around the second through hole. The bottom plate is provided with a countersunk hole at a position corresponding to the countersunk screw, the support plate is provided with a threaded hole at a position corresponding to the countersunk screw, the countersunk screw penetrates through the countersunk hole and enters the threaded hole, and the countersunk screw is respectively in threaded connection with the bottom plate and the support plate. Be connected with cylinder locating pin and rhombus locating pin between bottom plate and the backup pad, cylinder locating pin and rhombus locating pin are located second through-hole both sides and symmetric distribution respectively, and the bottom plate is equipped with first circular port and first diamond hole, and the backup pad is equipped with second circular port and second diamond hole, and first circular port and second circular port are inserted respectively at cylinder locating pin both ends, and first diamond hole and second diamond hole are inserted respectively at rhombus locating pin both ends. A large plane on the upper surface of the bottom plate limits three degrees of freedom of the clamping piece in the X, Y, Z direction, a cylindrical positioning pin limits two degrees of freedom of the clamping piece in the X, Y direction, and a rhombic positioning pin limits one degree of freedom of the clamping piece in the Z direction, so that the principle of 6-point complete positioning is met. Therefore, the clamping piece is firmly connected with the bottom plate. The clamping piece is detachably connected with the bottom plate, so that the piston clamping device is convenient to clean and maintain, the service life is prolonged, the clamping piece is stably connected with the bottom plate, and the displacement of the clamping piece is avoided.
Compared with the prior art, the invention has the advantages that:
1. the clamping piece is clamped into the inner wall of the piston, so that the installation and the operation are simple and convenient.
2. A plurality of clamping pieces are uniformly distributed around the central axis of the bottom plate, the utilization rate of a space is high relative to the transverse arrangement, and meanwhile, the efficiency of flushing the piston is improved.
Drawings
Fig. 1 is a connection state diagram of the piston clamping device and the piston.
Fig. 2 is a structural schematic diagram of the piston clamping device.
Fig. 3 is a schematic structural diagram of the clamping member.
Fig. 4 is a schematic view of the outer structure of the piston.
Fig. 5 is a schematic view of the internal structure of the piston.
Fig. 6 is a view showing a state in which the fastening spring is connected to the substrate.
Description of reference numerals:
1. a base plate; 2. assembling a clamping piece; 3. a piston; 4. a diamond-shaped positioning pin; 5. a countersunk head screw; 6. a cylindrical positioning pin; 7. a fastener; 8. a fixing ring; 11. an auxiliary hole; 12. a second through hole; 13. a third through hole; 20. a pivot; 21. a support plate; 22. a movable block; 23. a fixed block; 24. a limiting block; 25. a single spring; 26. a pivot seat; 71. a clamping plate; 72. a substrate; 73. side holes; 74. a fastening spring; 75. a first gap; 76. a second gap; 211. a first through hole; 251. an elongated stem portion; 252. a bending part; 31. a combustion chamber; 32. a piston body; 321. a top portion; 322. a head portion; 323. a skirt portion; 324. a gas ring groove; 325. an oil ring groove; 34. an oil inlet hole; 35. an oil outlet.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, there will now be described in detail, with reference to the accompanying drawings, a non-limiting detailed description of the present invention.
As shown in fig. 1 to 6, the piston clamping device of the present embodiment includes a piston 3, a bottom plate 1, and a plurality of clamping members 2 mounted on the bottom plate 1 for fixing the piston 3, wherein the plurality of clamping members 2 are uniformly distributed around a central axis of the bottom plate 1; the piston 3 is a structure with a hollow inner part and an opening at the bottom, and one side of the clamping piece 2 is clamped in the piston 3. The piston 3 is a salt core aluminum piston which is an important component of the internal combustion engine. The bottom plate 1 is used for supporting and positioning the clamping piece 2, so that the piston clamping device is accurately positioned, the flowing of water flow in and out cannot be obstructed, and the smooth running of the piston salt core washing process is ensured.
The piston 3 comprises a piston body 32 and a combustion chamber 31, the combustion chamber 31 is arranged on the top surface of the piston body 32, the piston body 32 is of a structure with a hollow inner part and an open bottom, the piston body 32 is provided with a cooling oil cavity, an oil inlet hole 34 and an oil outlet hole 35, the cooling oil cavity is respectively communicated with the oil inlet hole 34 and the oil outlet hole 35, and the oil inlet hole 34 and the oil outlet hole 35 are respectively communicated with an inner cavity of the piston body 32. The piston body 32 consists of a skirt part 323, a head part 322 and a top part 321, wherein the outer wall of the head part 322 is provided with two gas ring grooves 324 and two oil ring grooves 325 from top to bottom in sequence, and the gas ring grooves 324 are formed. A closed cooling oil cavity is formed in the head portion 322, and the oil inlet hole 34 and the oil outlet hole 35 are respectively formed in two sides of the cooling oil cavity. The piston 3 is integrally formed, so that the rigidity of the whole structure of the piston 3 is increased. The cooling oil cavity is directly communicated with the inner cavity of the piston 3, the cooling oil cavity is sealed, and the cooling effect is good when the piston 3 works.
The clamping piece 2 comprises a supporting plate 21, a fixed block 23 and a movable block 22, the supporting plate 21 is fixedly connected with a groove-shaped pivot seat 26, one side of the movable block 22 is inserted into the groove of the pivot seat 26, the pivot seat 26 is provided with a pivot 20 penetrating through two sides of the pivot seat 26 and the movable block 22, the pivot 20 is sleeved with a single spring 25, axial pre-tightening force between the movable block 22 and the pivot 20 is provided by elastic deformation of the single spring 25, one end of the single spring 25 is connected with the movable block 22, the other end of the single spring is connected with the supporting plate 21, and the fixed block 23 is fixedly arranged on the supporting plate 21 and is arranged at intervals with the movable block 22; the fixed block 23 and the movable block 22 are clamped into the piston 3 through the opening of the piston 3, and the fixed block 23 and the movable block 22 both prop against the inner wall of the piston 3 under the elastic force action of the single spring 25. The support plate 21 is provided with a first through hole 211, and the fixed block 23 and the movable block 22 are respectively positioned at both sides of the first through hole 211. The pivot seat 26 is fixedly connected with a limiting block 24, and the end of the single spring 25 and the limiting block 24 clamp the movable block 22. The stopper 24 is supported below the bottom end surface of the piston 3. One end of the single spring 25 close to the movable block 22 is provided with an extending rod part 251 extending upwards and a bending part 252 formed by bending and extending a free end of the extending rod part 251 towards the right, and the extending rod part 251 and the bending part 252 both support against the movable block 22 and both clamp the movable block 22 together with the limiting block 24. The unilateral movable structure has better stability while guaranteeing the processing requirement of the piston 3, and the unilateral movable structure has lower requirement on the tolerance such as coaxiality, position degree, cylindricity and the like than the bilateral movable structure, is easier to process, has better economical efficiency, and is more convenient and labor-saving to install. When the piston 3 is installed, the piston is vertically installed on the clamping piece 2 from top to bottom, and a vertical downward gravity exists; get into the salt core and wash the process after, washing unit from down up sprays rivers and washes the salt core, and piston 3 receives a perpendicular impulsive force that makes progress, and this power can offset the gravity of some piston 3 self, so the perpendicular direction atress of movable block 22 is very little, and the horizontal direction does not receive the power, and consequently the stress does not influence the single spring 25 use to movable block 22. The single spring 25 is installed at the middle position of the pivot 20, provides a certain pre-tightening force when in a non-working state, and the extension rod part 251 and the limiting block 24 on the support plate 21 cooperate to fix the movable block 22. And provides pressing force under the working state, so that the movable block 22 is contacted with the inner wall of the piston 3. The end of the single spring 25 is matched with the supporting plate 21, the end of the single spring 25 fixes the movable block 22 in the non-working state, the end of the single spring 25 provides a supporting point for the single spring 25 in the working state, so that a certain pressing force can be applied to the movable block 22, the distance between the movable block 22 and the fixed block 23 is increased, the fixed block 23 and the movable block 22 jointly act to expand the inner wall of the piston 3, and the piston 3 is fixed on the clamping piece 2. The supporting plate 21 is circular, the number of the clamping pieces 2 is six, and the six clamping pieces 2 are arranged around the circle center of the supporting plate 21. The space size of the support plate 21 can be well utilized, and the efficiency of flushing the piston 3 is improved. The fixed block 23 is provided with a first cambered surface on one side contacting with the inner wall of the piston 3, the first cambered surface is covered with an anti-slip mat, and the movable block 22 is provided with a second cambered surface on one side contacting with the inner wall of the piston 3, and the second cambered surface is covered with an anti-slip mat. The contact area between the fixed block 23 and the inner wall of the piston 3 and the contact area between the movable block 22 and the inner wall of the piston 3 are increased, and meanwhile, the friction force of the contact areas is increased, so that the piston 3 is clamped more stably.
The clamping piece 2 further comprises two fastening pieces 7, a movable block 22 and a fastening piece 7 are arranged on one side of the supporting plate 21, a fixed block 23 and another fastening piece 7 are arranged on the other side of the supporting plate, a first gap 75 is formed between the movable block 22 and the fastening piece 7 on the same side, a second gap 76 is formed between the fixed block 23 and the fastening piece 7 on the same side, and the piston 3 is inserted into the first gap 75 and the second gap 76 simultaneously. The side of the fastener 7, which is in contact with the piston 3, is provided with an inclined surface. The insertion of the piston 3 is facilitated. In the process of flushing the piston 3, the incomplete flushing caused by shaking of the piston 3 is avoided. The fastening piece 7 comprises a base plate 72 and a clamping plate 71, a fastening spring 74 is connected between the base plate 72 and the clamping plate 71, the base plate 72 is provided with a side hole 73, one end of the fastening spring 74 is inserted into the side hole 73 and is fixedly connected with the base plate 72, and the other end of the fastening spring extends out of the side hole 73 and is fixedly connected with the clamping plate 71; the base plate 72 is fixedly connected to the support plate 21. The first gap 75 and the second gap 76 are easily adjustable in size for different wall thicknesses of the piston 3. The fastener 7 is provided with a fixing ring 8, and the fixing ring 8 is sleeved on the periphery of the support plate 21 and fixedly installed on the bottom plate 1. The area of the supporting plate 21 can be enlarged as required, and the fastener 7 can be conveniently placed. The upper surface of the fixing ring 8 is flush with the upper surface of the support plate 21. The step formed between the fixing ring 8 and the support plate 21 is avoided, and the smooth movement of the holding plate 71 under the elastic action of the fastening spring 74 is ensured.
The bottom plate 1 is disc-shaped and is provided with a second through hole 12 at a position corresponding to the clamping member 2, and the second through hole 12 is communicated with the first through hole 211. The center of the bottom plate 1 is provided with a third through hole 13, and the third through hole 13 is petal-shaped. The bottom plate 1 is provided with a plurality of auxiliary holes 11 that run through, and a plurality of auxiliary holes 11 are evenly distributed around the central axis of the bottom plate 1.
The clamping piece 2 is connected with the bottom plate 1 through a sunk screw 5. Each clip member 2 preferably has four countersunk screws 5, the four countersunk screws 5 being evenly distributed around the second through hole 12. The counter sink is arranged on the position, relative to the counter sink screw 5, of the bottom plate 1, a threaded hole is formed in the position, relative to the counter sink screw 5, of the supporting plate 21, the counter sink screw 5 penetrates through the counter sink to enter the threaded hole, and the counter sink screw 5 is in threaded connection with the bottom plate 1 and the supporting plate 21 respectively. Be connected with cylinder locating pin 6 and rhombus locating pin 4 between bottom plate 1 and the backup pad 21, cylinder locating pin 6 and rhombus locating pin 4 are located 12 both sides of second through-hole and symmetric distribution respectively, and bottom plate 1 is equipped with first circular port and first diamond hole, and backup pad 21 is equipped with second circular port and second diamond hole, and first circular port and second circular hole are inserted respectively at 6 both ends of cylinder locating pin, and first diamond hole and second diamond hole are inserted respectively at 4 both ends of rhombus locating pin. A large plane on the upper surface of the bottom plate 1 limits three degrees of freedom in the X, Y, Z direction of the clip 2, a cylindrical positioning pin 6 limits two degrees of freedom in the X, Y direction of the clip 2, and a diamond positioning pin 4 limits one degree of freedom in the Z direction of the clip 2, and accords with the 6-point complete positioning principle. Thus, the clamping piece 2 and the bottom plate 1 are firmly connected. The clamping piece 2 is detachably connected with the bottom plate 1, so that the piston clamping device is convenient to clean and maintain, the service life is prolonged, the clamping piece 2 is stably connected with the bottom plate 1, and the displacement of the clamping piece 2 is avoided.
For the use of this example, reference is made to the following steps:
firstly, the fixed block 23 and the movable block 22 of the clamping piece 2 are inserted into the piston 3, and the end face of the bottom of the piston 3 is pressed against the limit block 24. Then, the movable block 22 presses the movable block 22 against the inner wall of the piston 3 by the elastic force of the single spring 25. Finally, the distance between the movable block 22 and the fixed block 23 is increased, and the fixed block 23 and the movable block 22 jointly act to expand the inner wall of the piston 3, so that the piston 3 is fixed on the clamping piece 2.
Claims (7)
1. Piston clamping device, its characterized in that: the piston type piston clamping device comprises a piston (3), a bottom plate (1) and a plurality of clamping pieces (2) which are arranged on the bottom plate (1) and used for fixing the piston (3), wherein the clamping pieces (2) are uniformly distributed around the central axis of the bottom plate (1); the piston (3) is of a structure with a hollow inner part and an opening at the bottom, and one side of the clamping piece (2) is clamped into the piston (3); the clamping piece (2) comprises a supporting plate (21), a fixed block (23) and a movable block (22), the supporting plate (21) is fixedly connected with a groove-shaped pivot seat (26), one side of the movable block (22) is inserted into the groove of the pivot seat (26), the pivot seat (26) is provided with a pivot shaft (20) penetrating through two sides of the pivot seat (26) and the movable block (22), the pivot shaft (20) is sleeved with a single spring (25), axial pretightening force between the movable block (22) and the pivot shaft (20) is provided by elastic deformation of the single spring (25), one end of the single spring (25) is connected with the movable block (22), the other end of the single spring is connected with the supporting plate (21), and the fixed block (23) is fixedly installed on the supporting plate (21) and is arranged at an interval with the movable block (22); the fixed block (23) and the movable block (22) are clamped into the piston (3) through the opening of the piston (3), and the fixed block (23) and the movable block (22) are both propped against the inner wall of the piston (3) under the action of the elastic force of the single spring (25); the supporting plate (21) is provided with a first through hole (211), and the fixed block (23) and the movable block (22) are respectively positioned at two sides of the first through hole (211); the pivot seat (26) is fixedly connected with a limiting block (24), and the end of the single spring (25) and the limiting block (24) clamp the movable block (22); the clamping piece (2) further comprises two fastening pieces (7), one side of the supporting plate (21) is provided with a movable block (22) and one fastening piece (7), the other side of the supporting plate is provided with a fixed block (23) and the other fastening piece (7), a first gap (75) is formed between the movable block (22) and the fastening piece (7) on the same side, a second gap (76) is formed between the fixed block (23) and the fastening piece (7) on the same side, and the piston (3) is inserted into the first gap (75) and the second gap (76) simultaneously; the fastening piece (7) comprises a base plate (72) and a clamping plate (71), a fastening spring (74) is connected between the base plate (72) and the clamping plate (71), the base plate (72) is provided with a side hole (73), one end of the fastening spring (74) is inserted into the side hole (73) and is fixedly connected with the base plate (72), and the other end of the fastening spring (74) extends out of the side hole (73) and is fixedly connected with the clamping plate (71); the base plate (72) is fixedly connected with the support plate (21).
2. The piston clamping device of claim 1, wherein: the limiting block (24) is supported below the bottom end face of the piston (3).
3. The piston clamping device of claim 2, wherein: the single spring (25) is provided with an extending rod part (251) extending upwards and a bending part (252) formed by bending and extending a free end of the extending rod part (251) towards the right at one end close to the movable block (22), and the extending rod part (251) and the bending part (252) both support against the movable block (22) and are used for clamping the movable block (22) together with the limiting block (24).
4. The piston clamping device of claim 1, wherein: the clamping pieces (2) are six, the bottom plate (1) is disc-shaped, a second through hole (12) is formed in the position corresponding to the clamping pieces (2), and the second through hole (12) is communicated with the first through hole (211).
5. The piston clamping device of claim 4, wherein: the center of the bottom plate (1) is provided with a third through hole (13), and the third through hole (13) is petal-shaped.
6. The piston clamping device of claim 5, wherein: the bottom plate (1) is provided with a plurality of penetrating auxiliary holes (11), and the auxiliary holes (11) are uniformly distributed around the central axis of the bottom plate (1).
7. The piston clamping device of claim 1, wherein: the clamping piece (2) is connected with the bottom plate (1) through a sunk screw (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110704034.9A CN113333364B (en) | 2021-06-24 | 2021-06-24 | Piston clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110704034.9A CN113333364B (en) | 2021-06-24 | 2021-06-24 | Piston clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113333364A CN113333364A (en) | 2021-09-03 |
| CN113333364B true CN113333364B (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110704034.9A Active CN113333364B (en) | 2021-06-24 | 2021-06-24 | Piston clamping device |
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| Country | Link |
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| CN (1) | CN113333364B (en) |
Family Cites Families (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3005089C2 (en) * | 1980-02-12 | 1982-02-04 | C. Behrens Ag, 3220 Alfeld | Device for exchangeably holding a die of a tool in a metalworking machine and tool for exchanging the die |
| JPH01500810A (en) * | 1986-09-12 | 1989-03-23 | レイケム・コーポレイション | manipulator |
| DE68920790D1 (en) * | 1988-07-21 | 1995-03-09 | Latchways Ltd | Detachable devices for clamping, locking, connecting or supporting. |
| ITTO20030279A1 (en) * | 2003-04-11 | 2004-10-12 | Itw Construction Products Italy Srl | EXPANSION DOWEL. |
| CN201409272Y (en) * | 2009-04-28 | 2010-02-17 | 英业达股份有限公司 | Fixing device and fixing system employing same |
| TWM396891U (en) * | 2010-06-18 | 2011-01-21 | Hana Plastic Co Ltd | Fixing base of expansion link |
| CN201979315U (en) * | 2010-11-16 | 2011-09-21 | 北京二七轨道交通装备有限责任公司 | Piston skirt machining device |
| CN201998610U (en) * | 2010-12-30 | 2011-10-05 | 梁明福 | Wire clamp with improved structure |
| CN102218670B (en) * | 2011-05-31 | 2013-04-24 | 浙江吉利汽车研究院有限公司 | Positioning tooling fixture for piston |
| JP2013244538A (en) * | 2012-05-23 | 2013-12-09 | Eagle Kuranpu Kk | Screw-type clamp |
| CN202623606U (en) * | 2012-06-11 | 2012-12-26 | 林春海 | Novel folder |
| CN103277377B (en) * | 2013-06-06 | 2014-12-17 | 四川航天***工程研究所 | Light quick-release lock structure |
| CN103707215A (en) * | 2013-12-09 | 2014-04-09 | 重庆信奇建材机械制造有限公司 | Mandrel type clamp for mini-tiller |
| CN203621972U (en) * | 2013-12-21 | 2014-06-04 | 袁新 | Clamping jaw device |
| CN204306662U (en) * | 2014-11-10 | 2015-05-06 | 广东顺德果儿电器科技有限公司 | A kind of pin-joint mechanism of grill pan |
| CN204353805U (en) * | 2014-12-09 | 2015-05-27 | 重庆共创二次供水设备有限责任公司 | Spool milling fixture |
| CN205111964U (en) * | 2015-10-26 | 2016-03-30 | 广西大学 | Fixture on broken first rate test bench of research sugarcane |
| CN105345161A (en) * | 2015-11-28 | 2016-02-24 | 重庆市首业机械制造有限公司 | Clamp with reset torsional springs |
| CN205673879U (en) * | 2016-06-01 | 2016-11-09 | 重庆万斯金属特种成形有限公司 | Fixing device when bearing shell is holed |
| CN108942324A (en) * | 2017-05-22 | 2018-12-07 | 上海顶欣机电设备有限公司 | A kind of quick-clamping system |
| CN107234473B (en) * | 2017-07-04 | 2023-07-21 | 江苏东宇工程机械有限公司 | Quick press-fitting device and method for double-sided boring online bushing |
| CN108465832A (en) * | 2018-03-30 | 2018-08-31 | 章敏 | The chucks of machine tooling |
| JP6725595B2 (en) * | 2018-06-28 | 2020-07-22 | ファナック株式会社 | Clamp device |
| CN108528117A (en) * | 2018-06-29 | 2018-09-14 | 广东知识城运营服务有限公司 | A kind of pen container that automatic contraction protectiveness is strong |
| CN211841599U (en) * | 2018-11-08 | 2020-11-03 | 李世航 | Machining clamp for air conditioner accessories |
| CN209439069U (en) * | 2018-11-15 | 2019-09-27 | 泰州华然不锈钢制品有限公司 | A kind of ring flange cleaning equipment |
| CN112212181B (en) * | 2019-07-11 | 2022-03-18 | 昆山宏致电子有限公司 | Supporting foot stand |
| CN211023376U (en) * | 2019-07-26 | 2020-07-17 | 镇原县第一人民医院 | Fixed splint device of using of orthopedics |
| CN211407911U (en) * | 2019-09-03 | 2020-09-04 | 成昆 | Dustproof cosmetic storage barrel convenient to take |
| CN210567918U (en) * | 2019-12-04 | 2020-05-19 | 深圳市铭海光照明有限公司 | Multifunctional spotlight barrel cover |
| CN111014148B (en) * | 2019-12-24 | 2020-12-08 | 浙江水利水电学院 | Cleaning method for inducer blank |
| CN111113080A (en) * | 2019-12-31 | 2020-05-08 | 北京航空航天大学 | Auxiliary clamp for inhibiting chattering in cutting process of thin-wall case |
| CN211576128U (en) * | 2020-03-06 | 2020-09-25 | 北京福田康明斯发动机有限公司 | Piston measuring and positioning device |
| CN211450618U (en) * | 2020-04-09 | 2020-09-08 | 中山市智典照明有限公司 | Heat dissipation improvement structure of down lamp |
| CN111702679A (en) * | 2020-06-28 | 2020-09-25 | 杭州悟伦机械科技有限公司 | Follow and press from both sides fixed metal sheet clamping device |
| CN112051365A (en) * | 2020-09-22 | 2020-12-08 | 西安华恒仪表制造有限公司 | Moisture analyzer with examine test bucket fixed establishment |
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2021
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