CN220780224U

CN220780224U - Pull-rod type hexahedral top press

Info

Publication number: CN220780224U
Application number: CN202322612037.7U
Authority: CN
Inventors: 胡和荣
Original assignee: Jiangsu Dalongkai Technology Co ltd
Current assignee: Jiangsu Dalongkai Technology Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-04-16
Anticipated expiration: 2033-09-26

Abstract

The utility model discloses a pull rod type hexahedral top press, wherein six top pressing assemblies are arranged in pairs along mutually perpendicular three axes, and adjacent top pressing assemblies are connected through a pull rod; the cylinder assembly of each jacking assembly is connected with a jacking hammer assembly, the cylinder assembly comprises a cylinder seat, a cylinder barrel and a piston, the cylinder seat and the cylinder barrel are in split design and are fixedly connected, the piston is arranged in a piston cavity of the cylinder barrel in a sliding manner, and the jacking hammer assembly is connected to the piston; the cylinder seat is provided with a pull rod connecting hole, and the pull rod is connected to the pull rod connecting hole; and the cylinder barrel is provided with an oil inlet hole which is communicated with the piston cavity. The cylinder seat and the cylinder barrel of the oil cylinder assembly adopt a split type design, so that the manufacturing difficulty and the manufacturing cost are reduced, the overall manufacturing cost of the top press is greatly reduced, the use of the stock space and production resources is reduced, the cost of parts, the production cost and the stock cost are reduced, and the maintenance difficulty and the maintenance cost are reduced.

Description

Pull-rod type hexahedral top press

Technical Field

The utility model relates to the technical field of top presses for material synthesis, in particular to a pull rod type hexahedral top press.

Background

The hexahedral top press is a large cavity press with wider application, and is generally used for synthesizing materials such as superconducting materials, superhard materials, ceramic materials, insulating materials, magnetic materials, glass materials, ferroelectric materials, biological materials, rare earth materials and the like due to the advantages of strong self-centering property, low manufacturing cost, easy operation and the like.

The common use of the hexahedral press is hinge type and pull rod type.

The working cylinders of the hinged six-sided top press are connected by adopting a hinge beam, and the working cylinders of the working cylinders are usually only made of steel castings due to complex and huge structures and heavy structures, and the steel castings possibly have defects of sand holes, air holes, shrinkage holes and the like, so that the top pressure tonnage is increased, the cost is high only by expanding the cylinder diameter of the oil cylinder, the centering is poor, and the yield and the quality are low.

The working cylinders of the pull rod type hexahedral press are connected by a pull rod, and compared with the hinged hexahedral press, the structure of the pull rod type hexahedral press is simpler and the stability is better. Chinese patent No. CN203540492U discloses a draw bar six-cylinder synchronous hexahedral press, in order to improve mechanical properties, the machine body adopts forging, and the whole structure of the cylinder body of the working cylinder including the cylinder seat and the cylinder barrel adopts integral forging and integral forging. The cylinder body structure comprising the cylinder seat and the cylinder barrel is relatively complex, the forging difficulty is high, the forging cost is high, and the whole manufacturing cost of the top press is high. Because of different jacking tonnages, oil cylinders with different specifications or cylinder diameters are needed, integrally formed cylinders are needed to be assembled for each specification or cylinder diameter, the cylinders with each specification are needed to be prepared separately, larger stock space and production resources are needed to be occupied, equipment cost, component cost, production cost and stock cost are high, and maintenance difficulty is also high and maintenance cost is high.

Disclosure of Invention

The applicant provides a pull rod type hexahedral press with reasonable structure aiming at the defects of the existing pull rod type hexahedral press, a cylinder seat and a cylinder barrel of a cylinder body are in split design, the cylinder seat is made of cast steel, the cylinder barrel is made of forged parts, the cylinder seat can be matched with the cylinder barrels with different specifications, the equipment cost, the manufacturing cost and the inventory cost are reduced, and the maintenance difficulty and the maintenance cost are reduced.

The technical scheme adopted by the utility model is as follows:

six jacking components are arranged in pairs along mutually perpendicular three axes, and adjacent jacking components are connected through a pull rod; the cylinder assembly of each jacking assembly is connected with a jacking hammer assembly, the cylinder assembly comprises a cylinder seat, a cylinder barrel and a piston, the cylinder seat and the cylinder barrel are in split design and are fixedly connected, the piston is arranged in a piston cavity of the cylinder barrel in a sliding manner, and the jacking hammer assembly is connected to the piston; the cylinder seat is provided with a pull rod connecting hole, and the pull rod is connected to the pull rod connecting hole; and the cylinder barrel is provided with an oil inlet hole which is communicated with the piston cavity.

As a further improvement of the above technical scheme:

the cylinder seat adopts a casting piece, and the cylinder barrel adopts a forging piece.

A counter bore is formed in one side of the cylinder seat, which faces the cylinder seat, a boss is correspondingly arranged on one side of the cylinder seat, which is matched with the counter bore, and the boss is inserted into the counter bore.

The cylinder seat is provided with a plurality of lightening holes.

The cylinder seat is provided with a through hole, the through hole is provided with an oil inlet flange component, an oil pipe is inserted in the through hole, and the oil pipe is communicated with the oil inlet hole and the oil inlet flange component.

And a stroke block is arranged on the piston and positioned outside the top hammer assembly.

The outer end of the cylinder barrel is connected with a guide sleeve, the piston is arranged in a piston cavity of the cylinder barrel and the guide sleeve in a sliding manner, and sealing elements are respectively arranged between the inner peripheral surfaces of the cylinder barrel and the guide sleeve and the outer peripheral surface of the piston.

The piston outer peripheral surface of the jacking component is fixedly provided with a guide limiting block, the guide sleeve is correspondingly provided with a guide limiting groove, the guide limiting block is inserted into the guide limiting groove, and the guide limiting block is in clearance fit with the guide limiting groove.

The peripheral surface of the outer end part of the piston is sleeved with a limiting ring and an adjusting nut; the limiting ring comprises a plurality of arc strips, and the adjacent arc strips pass through the connecting piece.

The top hammer, the small cushion block and the large cushion block of the top pressing assembly are sequentially and tightly attached to each other side by side, the steel sleeve is sleeved on the peripheries of the top hammer, the small cushion block and the large cushion block, and the large cushion block is fixedly connected to the piston; the six jacking components are fixedly arranged on the base; the connecting end part of the pull rod is locked by a locking nut; at least four pull rods are connected to each jacking component.

The beneficial effects of the utility model are as follows:

the cylinder seat and the cylinder barrel of the oil cylinder assembly are in split type design, the cylinder seat and the cylinder barrel are fixedly connected after being independently processed and molded, the cylinder seat is a casting part, and the cylinder barrel is a forging part, so that the design has the following beneficial effects: (1) The cylinder seat is connected with the adjacent jacking components through the pull rod, and mainly bears the pulling force from the pull rod, the stress is relatively small, and the performance requirements can be completely met by adopting cast parts with relatively poor mechanical properties, so that the reliable movement of equipment is ensured; the cylinder barrel and the piston are matched to provide a jacking force, the cylinder barrel is mainly subjected to high-pressure action (the pressure can reach 30-110 MPa) generated by hydraulic oil, the stress is large, and the forging piece with better mechanical property can meet the pressure-bearing requirement, so that the stability and reliability of equipment are ensured; under the premise of meeting the mechanical performance requirements and ensuring the stability and reliability of equipment, the cylinder seat with a complex structure adopts a casting part, so that the manufacturing difficulty and the manufacturing cost are reduced, and the cylinder barrel adopts a forging part. (2) Because jar seat and cylinder components of a whole that can function independently design, the cylinder is nevertheless required to be prepared according to different specifications or cylinder diameter, but can be with the jar seat design all can carry out the structure that matches with different cylinders, and a type of jar seat can be with the cylinder looks adaptation of multiple specification, and the standard part can be made to the jar seat like this, uses with the cylinder cooperation of different specifications as required, has significantly reduced the requirement of preparing materials of jar seat, has reduced the use of stock space and production resource, has reduced spare part cost, manufacturing cost and stock cost. (3) The cylinder seat and the cylinder barrel are designed in a split mode, the cylinder seat and the cylinder barrel can be maintained independently, and maintenance difficulty and maintenance cost are reduced.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model.

Fig. 3 is an exploded view of the jacking assembly.

Fig. 4 is a cross-sectional view of the jacking assembly.

In the figure: 1. a base; 2. a jacking assembly; 21. a cylinder base; 211. a pull rod connecting hole; 212. a through hole; 213. a lightening hole; 214. countersink; 22. a cylinder; 221. a piston chamber; 222. an oil inlet hole; 223. a boss; 23. a piston; 231. a guide limiting block; 24. a guide sleeve; 241. a guide limit groove; 25. a limiting ring; 251. arc strips; 252. a connecting piece; 26. adjusting the nut; 27. a top hammer assembly; 271. a top hammer; 272. a small cushion block; 273. a large cushion block; 274. a steel sleeve; 28. a travel block; 29. an oil inlet flange assembly; 3. a pull rod; 4. a lock nut; 5. and (5) an oil pipe.

Detailed Description

The following describes specific embodiments of the present utility model with reference to the drawings.

For convenience of explanation, an XYZ rectangular coordinate system is indicated in fig. 1, an X axis is a horizontal direction, a Y axis is a front-rear horizontal direction, a Z axis is a vertical direction, and the X axis, the Y axis, and the Z axis are orthogonal to each other. The X, Y, Z shaft is named and set for fully describing the related structure, is not limited, and can be transversely and vertically adjusted to fall within the protection scope of the utility model.

As shown in fig. 1, on the base 1 of the present utility model, six pressing assemblies 2 are respectively arranged in pairs along the X, Y, Z direction, that is, six pressing assemblies 2 are respectively arranged on one surface of a hexagonal body to form a tri-axial hexahedral top rigid frame structure. Each jacking component 2 is fixedly connected with the adjacent four jacking components 2 through pull rods 3, and each jacking component 2 is at least connected with four pull rods 3; the connecting end of the pull rod 3 is locked by a lock nut 4.

As shown in fig. 2 to 4, the cylinder seat 21 of the jacking assembly 2 is fixedly connected with the cylinder 22, the outer end of the cylinder 22 is connected with the guide sleeve 24, the piston 23 is slidably arranged in the piston cavity 221 of the cylinder 22 and the guide sleeve 24, and sealing members are respectively arranged between the inner peripheral surfaces of the cylinder 22 and the guide sleeve 24 and the outer peripheral surface of the piston 23 for sealing. A limiting ring 25 and an adjusting nut 26 are sleeved on the peripheral surface of the outer end part of the piston 23 in sequence from inside to outside, and the limiting ring 25 limits the stroke of the piston 23 to prevent excessive movement of the piston 23; the adjusting nut 26 is used for adjusting the position of the limiting ring 25, and further adjusting the stroke of the piston 23. The center of the outer end surface of the piston 23 is fixedly connected with the top hammer assembly 27, a stroke block 28 is further arranged on the outer end surface of the piston 23 and located on the outer side of the top hammer assembly 27, the stroke block 28 corresponds to the sensor, and when the sensor senses the stroke block 28, the stroke of the piston 23 is indicated to be in place.

The cylinder seat 21, the cylinder barrel 22 and the piston 23 of the jacking component 2 form an oil cylinder component, the oil cylinder components of the six jacking components 2 adopt plunger cylinders, namely, the oil cylinder component of each jacking component 2 can independently regulate pressure and independently and actively advance and retreat, and according to the processing requirement of a synthetic product and the actual condition of each surface, the pressure of the oil cylinder component on the corresponding surface can be independently regulated, thereby meeting the requirement of diversification of the synthetic product and improving the quality of the synthetic product. The cylinder seat 21 and the cylinder 22 (i.e. the cylinder body) of the oil cylinder assembly are in split type design, the cylinder seat 21 and the cylinder 22 are fixedly connected after being independently processed and molded, the cylinder seat 21 is a casting part, the cylinder 22 is a forging part, and the design has the following beneficial effects: (1) The cylinder seat 21 is connected with the adjacent jacking component 2 through the pull rod 3, and mainly bears the pulling force from the pull rod 3, the stress is relatively small, and the performance requirement can be completely met by adopting a casting piece with relatively poor mechanical performance, so that the reliable movement of equipment is ensured; the cylinder 22 and the piston 23 are matched to provide a jacking force, the jacking force is mainly borne by high pressure (the pressure can reach 30-110 MPa) generated by hydraulic oil, the stress is large, and the forging piece with better mechanical property can meet the pressure-bearing requirement, so that the stability and reliability of equipment are ensured; under the premise of meeting the mechanical performance requirements and ensuring the stability and reliability of equipment, the cylinder seat 21 with a complex structure adopts a casting part, so that the manufacturing difficulty and the manufacturing cost are reduced, and the cylinder barrel 22 adopts a forging part, so that the forging cost is reduced due to the simple structure and low forging difficulty, and the overall manufacturing cost of the top press is greatly reduced. (2) Because the cylinder seat 21 and the cylinder barrel 22 are designed in a split mode, the cylinder barrel 22 is required to be prepared according to different specifications or cylinder diameters, but the cylinder seat 21 can be designed into a structure which can be matched with different cylinder barrels 22, namely, one type of cylinder seat 21 can be matched with the cylinder barrels 22 with various specifications, so that the cylinder seat 21 can be made into a standard part and matched with the cylinder barrels 22 with different specifications according to the requirements, the material preparation requirement of the cylinder seat 21 is greatly reduced, the use of stock space and production resources is reduced, and the cost of parts, the production cost and the stock cost are reduced. (3) The cylinder seat 21 and the cylinder 22 are designed in a split mode, and the cylinder seat 21 and the cylinder 22 can be maintained independently, so that maintenance difficulty and maintenance cost are reduced.

As shown in fig. 4, a rod connecting hole 211 is formed in the cylinder seat 21 of the jacking assembly 2 corresponding to the rod 3, a through hole 212 is formed in the center of the cylinder seat 21 along the axial direction, an oil inlet flange assembly 29 is mounted on the through hole 212, and the oil pipe 5 is inserted into the through hole 212. The cylinder seat 21 is provided with a plurality of lightening holes 213, so that the weight of the cylinder seat 21 can be reduced and the manufacturing cost can be reduced on the premise of meeting the mechanical property. The side of the cylinder block 21 facing the cylinder 22 is provided with a counter bore 214.

The center of the cylinder 22 of the jacking assembly 2 is provided with an oil inlet hole 222, the oil inlet hole 222 is communicated with the piston cavity 221, and the oil inlet pipe 5 is communicated with the oil inlet hole 222 and the oil inlet flange assembly 29. A boss 223 is arranged on one side of the cylinder barrel 22 facing the cylinder seat 21 and corresponds to the counter bore 214, and the boss 223 is inserted into the counter bore 214; the boss 223 is matched with the counter bore 214, so that on one hand, the guide function can be realized, and the coaxiality requirement of the cylinder seat 21 and the cylinder barrel 22 is ensured; the other can also improve the connection stability and reliability between the cylinder block 21 and the cylinder tube 22.

As shown in fig. 4, a guiding limit block 231 is fixedly arranged on the outer circumferential surface of the piston 23 of the jacking assembly 2, a guiding limit groove 241 is correspondingly formed in the guiding sleeve 24, the guiding limit block 231 is inserted into the guiding limit groove 241, the guiding limit block 231 is in clearance fit with the guiding limit groove 241, when the guiding limit block 231 stretches and stretches along with the piston 23, the guiding limit block 231 can axially advance and retreat along the guiding limit groove 241, the guiding limit block 231 and the guiding limit groove 241 are matched to further play a circumferential limit role on the piston 23, the piston 23 is prevented from twisting along the axial direction, the linear travel of the piston 23 is guaranteed, and the jacking effect is guaranteed.

As shown in fig. 3, the limiting rings 25 of the pressing assembly 2 are circular rings formed by connecting a plurality of circular arc strips 251 in pairs through connecting pieces 252, so that the pressing assembly is convenient to assemble and disassemble.

As shown in fig. 4, the top hammer assembly 27 of the top pressing assembly 2 comprises a top hammer 271, a small cushion block 272, a large cushion block 273 and a steel sleeve 274, wherein the top hammer 271, the small cushion block 272 and the large cushion block 273 are sequentially and tightly attached to each other side by side, and the steel sleeve 274 is sleeved on the peripheries of the top hammer 271, the small cushion block 272 and the large cushion block 273 and is fixed on the large cushion block 273 through fasteners, so that the top hammer 271, the small cushion block 272 and the large cushion block 273 are fixed; the large pad 273 is fixedly attached to the piston 23.

When the hydraulic system is actually used, the hydraulic system supplies oil to all the jacking components 2 simultaneously, and the piston 23 drives the jacking hammer components 27 to synchronously and centrally push, so that pressure is provided for products to be synthesized; after the work is completed, the piston 23 drives the top hammer assembly 27 to return.

The above description is illustrative of the utility model and is not intended to be limiting, and the utility model may be modified in any form without departing from the spirit of the utility model.

Claims

1. Six jacking components (2) are arranged in pairs along mutually perpendicular three axes, and adjacent jacking components (2) are connected through a pull rod (3); the method is characterized in that: the cylinder assembly of each jacking assembly (2) is connected with a jacking hammer assembly (27), the cylinder assembly comprises a cylinder seat (21), a cylinder barrel (22) and a piston (23), the cylinder seat (21) and the cylinder barrel (22) are in split design and are fixedly connected, the piston (23) is slidably arranged in a piston cavity (221) of the cylinder barrel (22), and the jacking hammer assembly (27) is connected to the piston (23); a pull rod connecting hole (211) is formed in the cylinder seat (21), and the pull rod (3) is connected to the pull rod connecting hole (211); the cylinder barrel (22) is provided with an oil inlet hole (222), and the oil inlet hole (222) is communicated with the piston cavity (221).

2. The pull-rod type hexahedral press according to claim 1, wherein: the cylinder seat (21) adopts a casting piece, and the cylinder barrel (22) adopts a forging piece.

3. The pull-rod type hexahedral press according to claim 1, wherein: a counter bore (214) is formed in one side of the cylinder seat (21) facing the cylinder barrel (22), a boss (223) is correspondingly arranged on one side of the cylinder barrel (22) facing the cylinder seat (21), the boss (223) is matched with the counter bore (214), and the boss (223) is inserted into the counter bore (214).

4. The pull-rod type hexahedral press according to claim 1, wherein: a plurality of lightening holes (213) are arranged on the cylinder seat (21).

5. The pull-rod type hexahedral press according to claim 1, wherein: the cylinder seat (21) is provided with a through hole (212), the through hole (212) is provided with an oil inlet flange assembly (29), an oil pipe (5) is inserted into the through hole (212), and the oil pipe (5) is communicated with the oil inlet hole (222) and the oil inlet flange assembly (29).

6. The pull-rod type hexahedral press according to claim 1, wherein: a travel block (28) is arranged on the piston (23) and positioned outside the top hammer assembly (27).

7. The pull-rod type hexahedral press according to claim 1, wherein: the outer end of the cylinder barrel (22) is connected with a guide sleeve (24), the piston (23) is arranged in a piston cavity (221) of the cylinder barrel (22) and the guide sleeve (24) in a sliding mode, and sealing elements are respectively arranged between the inner peripheral surfaces of the cylinder barrel (22) and the guide sleeve (24) and the outer peripheral surface of the piston (23).

8. The pull-rod type hexahedral press according to claim 7, wherein: the piston (23) of the jacking component (2) is fixedly provided with a guide limit block (231), the guide sleeve (24) is correspondingly provided with a guide limit groove (241), the guide limit block (231) is inserted into the guide limit groove (241), and the guide limit block (231) is in clearance fit with the guide limit groove (241).

9. The pull-rod type hexahedral press according to claim 1, wherein: a limiting ring (25) and an adjusting nut (26) are sleeved on the outer peripheral surface of the outer end part of the piston (23); the limiting ring (25) comprises a plurality of arc strips (251), and the adjacent arc strips (251) pass through the connecting piece (252).

10. The pull-rod type hexahedral press according to claim 1, wherein: the top hammer (271), the small cushion block (272) and the large cushion block (273) of the top pressing component (2) are sequentially and tightly attached side by side, a steel sleeve (274) is sleeved on the peripheries of the top hammer (271), the small cushion block (272) and the large cushion block (273), and the large cushion block (273) is fixedly connected to the piston (23); the six jacking assemblies (2) are fixedly arranged on the base (1); the connecting end part of the pull rod (3) is locked by a locking nut (4); at least four pull rods (3) are connected to each jacking component (2).