CN108327331B - Press machine - Google Patents
Press machine Download PDFInfo
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- CN108327331B CN108327331B CN201810221706.9A CN201810221706A CN108327331B CN 108327331 B CN108327331 B CN 108327331B CN 201810221706 A CN201810221706 A CN 201810221706A CN 108327331 B CN108327331 B CN 108327331B
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- 238000003825 pressing Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000000712 assembly Effects 0.000 claims description 25
- 238000000429 assembly Methods 0.000 claims description 25
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000003475 lamination Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 241001272720 Medialuna californiensis Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
Abstract
The invention discloses a press, which comprises a frame, at least one main oil cylinder assembly and at least one fixed die table, wherein the main oil cylinder assembly comprises a cylinder body and a piston, the frame comprises at least one group of end frames, each end frame consists of two first buckling frames which are symmetrically arranged by taking a piston moving axis as a symmetry axis, each first buckling frame is in a non-closed annular shape or a semi-moon-like shape, the cylinder body is connected with one end of each first buckling frame, the fixed die table is connected with the other end of each first buckling frame or is connected with a position close to the other end of each first buckling frame, and the first buckling frames fix the cylinder body and the fixed die table so that a pressing mechanism is formed between the piston and the fixed die table. The frame of the invention fixes the main oil cylinder component and the fixed die table, can form a closed structure frame, can realize lamination by single group, two groups or multiple groups of arrangement and combination, reduces the use of parts compared with a transmission structure, and reduces the weight of materials and the manufacturing cost.
Description
Technical Field
The invention belongs to the field of structural support, and particularly relates to a press.
Background
The press is a press, hydraulic press, oil press for short, the press indicates the shaping machinery that is used for industrial goods to pass through pressure shaping, present the used alliance press of enterprise production, the structure is complicated, the material uses a lot, in use, a great deal of structural stability problems appear, especially bearing structure, need the support pressure device, bear pressure device's back pressure, traditional technology adopts the steel wire winding at outer structure more, in order to strengthen bearing structure's holding power, nevertheless the steel wire is as the constraint force structure, need support and twine, basically provide by the support main part, the result is pressed by the steel wire, and the support main part does not realize its tensile performance, more steel wire winding can appear because of frictional force is not enough to slide, simple increase restriction slider not only increases the pulling force of steel wire, easy fracture, still can cause the support main part application of force uneven, can't reach even compression, improve the purpose of support structure whole mechanical properties.
The present invention has been made in view of this.
Disclosure of Invention
The invention aims to solve the technical problems of overcoming the defects in the prior art, and provides a press, wherein a frame is used for fixing a main oil cylinder assembly and a fixed die table, a closed structure frame can be formed, and the press can be realized by arranging and combining a single group, two groups or multiple groups, so that the use of parts is reduced compared with a transmission structure, and the weight of materials and the manufacturing cost are reduced.
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that:
the utility model provides a press, includes frame, at least one master cylinder subassembly, at least one cover half platform, master cylinder subassembly includes cylinder body, piston, the frame includes at least a set of tip frame, and the tip frame comprises two first buckling frames that use piston movable axis to set up as symmetry axis symmetry, first buckling frame is non-closed ring shape or half moon-like form, the cylinder body is connected with first buckling frame one end, and the cover half platform is connected with first buckling frame other end, or is connected with the position that is close to first buckling frame other end, and first buckling frame is fixed cylinder body and cover half platform so that form pressing mechanism between piston and the cover half platform.
Further, the number of the main oil cylinder assemblies is two, the pistons of the main oil cylinder assemblies are respectively arranged at two ends of the cylinder body, the two pistons are coaxial and move in opposite directions, the number of the fixed die platforms is two, the number of the end frames is two, and the two fixed die platforms are respectively fixed at two sides of the main oil cylinder assemblies by the two end frames to form two coaxial pressing mechanisms.
Further, the main cylinder components are at least two, and are coaxially arranged in a straight line along the extending direction of the pistons, the two pistons of the main cylinder components are respectively arranged at two ends of the cylinder body, the two pistons are coaxial and move in opposite directions, the fixed die table is a plurality of, the frame comprises two groups of end frames and a plurality of groups of middle frames, the middle frames are composed of two second buckling frames which are symmetrically arranged by taking the moving axis of the piston as a symmetrical axis, the second buckling frames are in curve shapes or similar curve shapes, two ends of each second buckling frame are respectively connected with the cylinder bodies of two adjacent main cylinder components, two fixed die tables which are connected with the middle frames and are arranged back to back are arranged between the two adjacent main cylinder components, and the frame fixes the main cylinder components and the fixed die table and forms a plurality of coaxial pressing mechanisms.
Further, the one end that first buckling frame and cylinder body are connected is equipped with the draw-in groove, the cylinder body is equipped with draw-in groove complex arch, the one end that first buckling frame and cover half platform are connected is equipped with the draw-in groove, and the cover half platform is equipped with draw-in groove complex arch, the axis of arch and draw-in groove is perpendicular with the piston removal axle.
Further, one end of the first buckling frame, which is connected with the fixed die table, is located at the outer side of the fixed die table in the piston stamping direction.
Further, both ends that second lock frame and cylinder body are connected all are equipped with the draw-in groove, and the cylinder body is equipped with draw-in groove complex arch.
Further, the two first buckling frames of the end frame are mutually connected at one end far away from the cylinder body, a connecting surface is formed at the connecting position, and an included angle between the piston moving shaft and the average normal line of the connecting surface is 10-90 degrees.
Further, the connecting surface is a plane, a piecewise continuous curved surface or a smooth curved surface.
Further, the connecting surface is a plane, and the normal included angle between the piston moving shaft and the plane is 90 degrees.
Further, pin holes are formed in the end heads, connected with each other, of the two first buckling frames, and the two first buckling frames are limited to displacement in the moving axial direction of the piston through pins installed in the pin holes.
Further, the frame is at least partially hollow.
Further, the first buckling frame comprises a main body section and an elbow section, wherein the main body section and the elbow section are in a curve shape or a curve-like shape, the radian of the main body section is smaller than that of the elbow section, one end of the main body section is connected with the cylinder body, the other end of the main body section is connected with one end of the elbow section, and the other end of the elbow section is connected with the fixed die table.
Further, the main body section and the elbow section are of an integral structure.
By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects.
The frame of the invention fixes the main oil cylinder component and the fixed die table, can form a closed structure frame, can realize lamination by single group, two groups or multiple groups of arrangement and combination, reduces the use of parts compared with a transmission structure, and reduces the weight of materials and the manufacturing cost.
The elbow section of the end frame can bear a considerable part of working load, and certain friction exists on the end face of the elbow in a closed state, so that the requirements on connecting pieces or mechanisms or design difficulty are greatly reduced compared with the transmission technology, and the structure production and the manufacturing are easier to realize.
The end frames and the middle frames are symmetrically arranged, and have the same deformation or similar deformation when bearing working load due to the similarity/symmetry of the main body parts, so that the whole working performance of the structure is stable, the stress of the frame is mainly the moving direction of the piston, and the external force tending to separate the end frames hardly exists on the joint surface of the end frames, so that the two bodies are connected without great connecting rigidity like the traditional frame, and the design of the connecting mechanism is substantially simplified and the safety is improved.
The invention has reasonable structure, reduces the production cost, saves resources, has strong practicability and is suitable for popularization and application.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention, without limitation to the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
FIG. 1 is a schematic diagram of a structure of an embodiment of the present invention;
FIG. 2 is an overall assembly view of an embodiment of the present invention;
FIG. 3 is a schematic diagram of a second embodiment of the present invention;
fig. 4 is an overall assembly view of a second embodiment of the present invention.
In the figure: 1-a master cylinder assembly; 11-a cylinder; 12-a piston; 2-a fixed die table; 3-a first buckling frame; 4-a second buckling frame; 5-fixed die table arranged back to back.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 4, the press according to the present invention includes a frame, at least one master cylinder assembly 1, and at least one fixed mold stage 2, wherein the master cylinder assembly 1 includes a cylinder 11 and a piston 12, the frame includes at least one set of end frames, the end frames are composed of two first buckling frames 3 symmetrically arranged with a moving axis of the piston as a symmetry axis, the first buckling frames 3 are in a non-closed ring shape or a half-moon shape, the cylinder 11 is connected with one end of the first buckling frame 3, the fixed mold stage 2 is connected with the other end of the first buckling frame 3, or is connected with a position close to the other end of the first buckling frame 3, and the first buckling frame 3 fixes the cylinder 11 and the fixed mold stage 2 so that a pressing mechanism is formed between the piston 12 and the fixed mold stage 2.
Specifically, the press consists of a frame, a main oil cylinder assembly 1 and a fixed die table 2, wherein the frame provides support for the main oil cylinder assembly 1 and the fixed die table 2, the main oil cylinder assembly 1 is used as a press power source and consists of a cylinder body 11 and a piston 12, the fixed die table 2 is used for placing a product to be punched, and the piston 12 moves towards the fixed die table 2 to finish the punching action; the frame comprises end frames, at least one group of end frames is formed by two first buckling frames 3, the two first buckling frames 3 take a piston moving shaft as a central shaft, are symmetrically arranged or basically close to symmetrical arrangement, the symmetrical arrangement can ensure the balance of force applied by a piston 12 during stamping and ensure the stability of frame support, wherein the first buckling frames 3 are in a non-closed ring shape or a half-moon shape, preferably the first buckling frames 3 are in a curved surface shape with smooth radian change, when the two first buckling frames 3 are symmetrically connected with a cylinder body 11 and a fixed die table 2, the stability of a supporting structure is optimized, and the similarity/symmetry of the two first buckling frames 3 are realized. One end of the first buckling frame 3 is connected with the cylinder body 11, the other end or the end is connected with the fixed die table 2, the main oil cylinder and the fixed die table 2 are firmly supported, and when the piston 12 moves to the fixed die table 2 to work, the structural supporting function of the frame is realized.
According to the invention, the number of the main oil cylinder assemblies 1 and the fixed die tables 2 can be varied according to the requirements, and the simplest and most basic embodiment is a main oil cylinder assembly 1 and a fixed die table 2, wherein the main oil cylinder assembly 1 is provided with a piston 12 and a cylinder body 11, and the piston 12 and the fixed die table 2 are supported by two first buckling frames 3, namely, a group of end frames, so as to form a pressing mechanism. In order to improve the efficient utilization and rationality of the stamping power, in another embodiment, the master cylinder assembly 1 may be composed of one cylinder and two pistons 12, where the two pistons 12 are respectively disposed at two ends of the cylinder 11, and the two pistons 12 are coaxially and reciprocally moved, and two fixed mold platforms 2 are required to cooperate with the two pistons 12 to form two coaxial pressing mechanisms, at the same time, the master cylinder assembly 1 and the fixed mold platforms 2 are supported by two sets of end frames, see fig. 1 for a structure, so that the two pressing mechanisms are ensured to be stable, the supporting structure is reduced as much as possible, the use of materials is reduced, and at the same time, the two sets of end frames connect the master cylinder assembly 1 and the two fixed mold platforms 2 to form two closed structural frames, thereby ensuring the supporting stability. On the basis of the above structure, further expansion is carried out, in another embodiment, at least two main oil cylinder assemblies 1 are arranged coaxially along the extending direction of the pistons 12, two pistons 12 of the main oil cylinder assemblies 1 are respectively arranged at two ends of the cylinder body 11, the two pistons 12 are coaxial and move reversely, the fixed die platforms 2 are a plurality of, the frame comprises two groups of end frames and a plurality of groups of middle frames, the middle frames are composed of two second buckling frames 4 symmetrically arranged by taking the moving axis of the pistons as a symmetrical axis, the second buckling frames 4 are in curve shape or curve-like shape, two ends of each second buckling frame 4 are respectively connected with cylinder bodies 11 of two adjacent main oil cylinder assemblies 1, two fixed die platforms 5 which are connected with the middle frames and are arranged back to back are arranged between the two adjacent main oil cylinder assemblies 1, the frame is used for fixing the main oil cylinder assemblies 1 and the fixed die platforms 2 to form a plurality of coaxial pressing mechanisms, the middle frames are used for connecting the two main oil cylinder assemblies 1, the two fixed die platforms 2 are arranged between the two adjacent main oil cylinder assemblies 1 to form a pressing mechanism, the two fixed die platforms 2 are convenient to be connected with the two fixed die platforms back to back, the two pressing structures are arranged between the two fixing frames, the two fixing frames are different from being connected with the two fixing frames, and the two pressing structures are mutually different in the pressing structures, and the pressing structures are mutually different from being connected, and the pressing structures are different in the pressing structures.
In order to facilitate the connection of the first buckling frame 3 and the cylinder body 11 and simplify the structure, a clamping groove is formed in one end, connected with the cylinder body 11, of the first buckling frame 3, a protrusion matched with the clamping groove is arranged on the cylinder body 11, and the middle axis of the protrusion and the clamping groove is perpendicular to the moving axis of the piston. When the piston 12 is stamped, the reaction force is coaxial with the piston 12, so that the middle shafts of the bulge and the clamping groove are perpendicular to the piston moving shaft, the cylinder body 11 can be ensured not to move in the piston moving shaft, and when the press works, no external force exists in the bulge and the clamping groove in the axial direction, so that the bulge and the clamping groove are not separated, the cylinder body 11 can be fixed, and meanwhile, the structure is simplified; of course, the first buckling frame 3 and the fixed die table 2 can also be connected by a clamping groove and matched with a protrusion, as a preferred mode, one end of the first buckling frame 3 connected with the fixed die table 2 is located at the outer side of the fixed die table 2 in the stamping direction of the piston 12, the end of the first buckling frame 3 connected with the fixed die table 2 needs to be limited to move axially on the piston, when the piston 12 is stamped, the end is located at the outer side of the fixed die table 2, namely, the distance between the end and the piston 12 is larger than that between the fixed die table 2 and the piston 12, so that the end can prop against the fixed die table 2 to provide a depending on the fixed die table 2, and the end frame forms a supporting structure. The second buckling frame 4 is also provided with a clamping groove in cooperation with the bulge of the cylinder body 11, and the two ends of the second buckling frame 4 are provided with the clamping groove as the second buckling frame 4 is only connected with the cylinder body 11, so that stable support is provided for the cylinder body 11.
The end frames are firmly connected with the fixed die table 2, the stamping stability can be ensured, as a preference, one end of each of the two first buckling frames 3 of each end frame, which is far away from the cylinder body 11, is connected with each other, a connecting surface is formed at the connecting position, the included angle between the moving axis of the piston and the average normal of the connecting surface is 10-90 degrees, one end of each of the two first buckling frames 3 is connected with the cylinder body 11, the other end or the end of each of the two first buckling frames 3 is required to be connected with the fixed die table 2, the ends of the two first buckling frames 3 are in contact connection, a connecting surface is formed at the connecting position, the two first buckling frames 3 are in contact connection, meanwhile, the fixed die table 2 is in fit connection with the two first buckling frames 3, and the structural strength of each first buckling frame 3 is enough to ensure supporting during stamping; the formed connecting surface can be a plane, a piecewise continuous curved surface or a smooth curved surface, the connecting surface has normal lines, the normal lines are vertical planes, the average normal line is used as the neutralization of the connecting surface, if the connecting surface is an arc, a smooth curved surface or a step surface, the average normal line is used as the selected neutralization value, the included angle between the piston moving axis and the average normal line of the connecting surface is 10-90 degrees, preferably, the connecting surface is a plane, the included angle between the piston moving axis and the normal line of the plane is 90 degrees, the connecting position of the two first buckling frames 3 forms the connecting plane, and the connecting plane and the piston moving axis are coplanar, so that the stable support of the fixed die table 2 can be further enhanced, and the structure is optimized.
The end of the two first buckling frames 3 connected with each other is provided with a pin hole, and the two first buckling frames 3 are limited to displacement in the moving axial direction of the piston by a pin bolt arranged in the pin hole. The first buckling frames 3 are limited to vertically displace on the piston moving shaft through the pins, and the force applied to the piston moving shaft is very limited in the vertical direction, so that the two first buckling frames 3 are only required to be ensured not to be separated from the fixed position, and the pin is adopted for fixation, thereby simplifying the structure and facilitating the assembly, and being convenient and practical. The connecting end faces of the two first fastening brackets 3 also have a certain friction in the closed state, so that the requirements (or design difficulties) for the connecting piece or the mechanism are considerably reduced (or made much easier) than in the case of the transmission technology. The structural relation supporting structure performance of the first buckling frame 3 is preferably that the first buckling frame 3 comprises a main body section and an elbow section, the main body section and the elbow section are in a curve shape or a curve-like shape, the radian of the main body section is smaller than that of the elbow section, one end of the main body section is connected with the cylinder body 11, the other end of the main body section is connected with one end of the elbow section, the elbow sections of the two first buckling frames 3 are mutually connected, and further preferably, the main body section and the elbow section are of an integrated structure.
The frame is used as a main body of the support, the use of materials is reduced on the basis of meeting the structural support performance, the structural structure is simplified, the frame is at least partially hollow for further reducing the use of the materials, and the end frames and the middle frames can be hollow on the basis of meeting the connection requirement and rigid support, so that the use of support materials is reduced, the weight is reduced, and the structure is optimized.
The frame of the invention fixes the main oil cylinder component and the fixed die table, can form a closed structure frame, can realize lamination by single group, two groups or multiple groups of arrangement and combination, reduces the use of parts compared with a transmission structure, and reduces the weight of materials and the manufacturing cost.
The elbow section of the end frame can bear a considerable part of working load, and certain friction exists on the end face of the elbow in a closed state, so that the requirements on connecting pieces or mechanisms or design difficulty are greatly reduced compared with the transmission technology, and the structure production and the manufacturing are easier to realize.
The end frames and the middle frames are symmetrically arranged, and have the same deformation or similar deformation when bearing working load due to the similarity/symmetry of the main body parts, so that the whole working performance of the structure is stable, the stress of the frame is mainly the moving direction of the piston, and the external force tending to separate the end frames hardly exists on the joint surface of the end frames, so that the two bodies are connected without great connecting rigidity like the traditional frame, and the design of the connecting mechanism is substantially simplified and the safety is improved. The invention has reasonable structure, reduces the production cost, saves resources, has strong practicability and is suitable for popularization and application.
Example 1
As shown in fig. 1 and 2, the press according to this embodiment includes a frame, a main cylinder assembly 1, and two fixed mold tables 2, wherein two pistons 12 of the main cylinder assembly 1 are respectively disposed at two ends of a cylinder body 11, the two pistons 12 are coaxial and move in opposite directions, the two fixed mold tables 2 are respectively disposed at two sides of the main cylinder assembly 1, the frame includes two sets of end frames, and the two sets of end frames fix the two fixed mold tables 2 at two sides of the main cylinder assembly 1 respectively, and form two coaxial pressing mechanisms.
Wherein, every group tip frame comprises two first buckling frame 3, and two first buckling frame 3 use piston movable axis to be symmetry axis symmetric distribution, and first buckling frame 3 includes main part section, elbow section, and main part section and elbow section all are curved or class curve form, and the radian of main part section is less than the radian of elbow section, and main part section one end is connected with cylinder body 11, and the other end is connected with the one end of elbow section, and the elbow section of every two first buckling frame 3 of group is interconnect and forms the connection plane in junction, this connection plane and piston movable axis coplane. The end of the main body section connected with the cylinder body 11 is provided with a clamping groove, the corresponding cylinder body 11 is provided with protrusions matched with the clamping groove, the two groups of end frames are provided with four first buckling frames 3, the cylinder body 11 is provided with four protrusions, and the protrusions are distributed at the two ends of the cylinder body 11; the elbow sections forming the connecting plane are provided with pin holes, and the two elbow sections forming the connecting plane are limited by pins installed in the pin holes to displace the first buckling frame 3 in the moving axial direction of the piston.
Each group of end frames forms a closed structure frame with the cylinder body 11 and one fixed die table 2, so that two closed structure frames on two sides of the cylinder body 11 can be formed, each closed structure frame comprises a pressing mechanism, two pressing mechanisms are all arranged, pistons 12 of the two pressing mechanisms synchronously and reversely move, and two groups of stamping work with the same pressure can be completed simultaneously.
Example two
As shown in fig. 3 and 4, the press according to the present embodiment includes a frame, two master cylinder assemblies 1, and four fixed mold tables 2, wherein the two master cylinder assemblies 1 are arranged in a line, two pistons 12 of the master cylinder assemblies 1 are respectively disposed at two ends of a cylinder body 11, and the two pistons 12 are coaxial and move in opposite directions, so that piston movement axes of the two master cylinder assemblies 1 are coaxial; the fixed die tables 2 are four, namely two independent fixed die tables 2 and two fixed die tables 5 which are arranged back to back; the frame comprises two groups of end frames and a group of middle frames.
Specifically, the tip frame comprises two first buckling frames 3, and two first buckling frames 3 use the piston removal axle to move axisymmetric distribution, and first buckling frame 3 includes main part section, elbow section, and main part section and elbow section are curved or class curve form, and the radian of main part section is less than the radian of elbow section, and main part section one end is connected with cylinder body 11, and the other end is connected with the one end of elbow section, and the elbow section of two first buckling frames 3 of every group is connected each other and forms the connection plane in junction, this connection plane and piston removal axle coplane.
The middle frame is composed of two second buckling frames 4 which are symmetrically arranged by taking a piston moving axis as a symmetry axis, the second buckling frames 4 are in curve or curve-like shapes, two ends of each second buckling frame 4 are respectively connected with cylinder bodies 11 of two main oil cylinder assemblies 1, two fixed die tables 5 which are arranged back to back are arranged between the two main oil cylinder assemblies 1, and the back to back fixed die tables 2 are connected with the second buckling frames 4.
The ends of the first buckling frames 3 and the second buckling frames 4 connected with the cylinder body 11 are provided with clamping grooves, the corresponding cylinder body 11 is provided with protrusions matched with the clamping grooves, two groups of end frames comprise four first buckling frames 3, and one group of middle frames comprise two second buckling frames 4, and two ends of each second buckling frame 4 are connected with the cylinder body 11, so that each main cylinder assembly 1 is provided with four protrusions; in the first buckling frame 3, the elbow sections forming the connection plane are provided with pin holes, and the two elbow sections forming the connection plane are limited by pins installed in the pin holes to displace the first buckling frame 3 in the moving axial direction of the piston. The end frames at the two ends are matched with the cylinder body 11 and the two independent fixed die platforms 2 to form two pressing mechanisms, the middle frame, the cylinder body 11 and the two fixed die platforms 5 arranged back to back form two pressing mechanisms, and the four closed structure frames form four pressing mechanisms altogether.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (8)
1. The press is characterized by comprising a frame, at least one main oil cylinder assembly and at least one fixed die table, wherein the main oil cylinder assembly comprises a cylinder body and a piston, the frame comprises at least one group of end frames, each end frame consists of two first buckling frames which are symmetrically arranged by taking a piston moving axis as a symmetry axis, each first buckling frame is in a non-closed annular shape or a semi-moon-like shape, the cylinder body is connected with one end of each first buckling frame, the fixed die table is connected with the other end of each first buckling frame or is connected with a position close to the other end of each first buckling frame, and the first buckling frames fix the cylinder body and the fixed die table so that a pressing mechanism is formed between the piston and the fixed die table;
when the number of the main oil cylinder assemblies is one, two pistons of the main oil cylinder assemblies are respectively arranged at two ends of the cylinder body, the two pistons are coaxial and move in opposite directions, the number of the fixed die platforms is two, the number of the end frames is two, and the two fixed die platforms are respectively fixed at two sides of the main oil cylinder assemblies by the two end frames to form two coaxial pressing mechanisms;
when the two main oil cylinder assemblies are arranged coaxially in a straight line along the extending direction of the pistons, the two pistons of the main oil cylinder assemblies are respectively arranged at two ends of the cylinder body, the two pistons are coaxial and move reversely, the fixed die table is a plurality of, the frame comprises two groups of end frames and a plurality of groups of middle frames, the middle frames are composed of two second buckling frames which are symmetrically arranged by taking the moving axis of the pistons as the symmetrical axis, the second buckling frames are in curve shapes or similar curve shapes, two ends of each second buckling frame are respectively connected with the cylinder bodies of the two adjacent main oil cylinder assemblies, two fixed die tables which are connected with the middle frames and are arranged back to back are arranged between the two adjacent main oil cylinder assemblies, and the frame fixes the main oil cylinder assemblies and the fixed die table and forms a plurality of coaxial pressing mechanisms.
2. The press of claim 1, wherein a clamping groove is formed in one end of the first buckling frame, which is connected with the cylinder body, the cylinder body is provided with a protrusion matched with the clamping groove, and the middle axis of the protrusion and the clamping groove is perpendicular to the moving axis of the piston.
3. The press of claim 1, wherein the second fastening frame has two ends connected to the cylinder body, and the cylinder body has protrusions cooperating with the grooves.
4. A press as claimed in claim 1, wherein the two first fastening brackets of the end bracket are connected to each other at their ends remote from the cylinder and form a connection surface at the connection point, and the piston displacement axis forms an angle of 10 ° to 90 ° with the average normal line of the connection surface.
5. A press as claimed in claim 4, wherein the connecting surface is a plane, and the piston displacement axis is at an angle of 90 ° to the normal to the plane.
6. A press as claimed in claim 4, wherein the ends of the two first snap frames connected to each other are provided with pin holes, and the two first snap frames are restrained from displacement in the axial direction of movement of the piston by pins installed in the pin holes.
7. A press according to claim 1, wherein the frame is at least partially hollow.
8. The press of claim 1, wherein the first buckling frame comprises a main body section and an elbow section, the main body section and the elbow section are curved or similar to curved, the radian of the main body section is smaller than that of the elbow section, one end of the main body section is connected with the cylinder body, the other end of the main body section is connected with one end of the elbow section, and the other end of the elbow section is connected with the fixed die table.
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
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CN201810005642.9A CN108019591A (en) | 2018-01-03 | 2018-01-03 | A kind of structural supporter |
CN201810221706.9A CN108327331B (en) | 2018-03-18 | 2018-03-18 | Press machine |
PCT/CN2018/108279 WO2019134408A1 (en) | 2018-01-03 | 2018-09-28 | Hydraulic oil press |
MX2019010193A MX2019010193A (en) | 2018-01-03 | 2018-09-28 | Hydraulic oil press. |
EP18898809.1A EP3569398B1 (en) | 2018-01-03 | 2018-09-28 | Hydraulic oil press |
KR1020207008597A KR102398305B1 (en) | 2018-01-03 | 2018-09-28 | hydraulic system |
JP2019569535A JP2020508881A (en) | 2018-01-03 | 2018-09-28 | Hydraulic equipment |
US16/543,538 US11214031B2 (en) | 2018-01-03 | 2019-08-17 | Oil hydraulic press |
TW108134480A TW202012156A (en) | 2018-01-03 | 2019-09-24 | Oil hydraulic press |
JP2021047930A JP7052113B2 (en) | 2018-01-03 | 2021-03-22 | Hydraulic system |
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CN201810221706.9A CN108327331B (en) | 2018-03-18 | 2018-03-18 | Press machine |
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CN108327331B true CN108327331B (en) | 2024-03-19 |
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RU2110406C1 (en) * | 1996-06-06 | 1998-05-10 | Уфимский государственный авиационный технический университет | Horizontal hydraulic specialized press |
CN206495840U (en) * | 2017-01-03 | 2017-09-15 | 天津市浩琳机械加工有限公司 | A kind of pair of rod high-voltage oil cylinder |
CN107387489A (en) * | 2017-09-01 | 2017-11-24 | 董祥义 | A kind of double acting oil cylinder of single plunger |
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CN207954730U (en) * | 2018-03-18 | 2018-10-12 | 董祥义 | A kind of press |
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DE102010051513A1 (en) * | 2010-11-16 | 2012-05-16 | Dorst Technologies Gmbh & Co. Kg | Ceramic powder and / or metal powder press tool, ceramic powder and / or metal powder press, modular system with such a press tool, method for assembling such a press tool |
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RU2110406C1 (en) * | 1996-06-06 | 1998-05-10 | Уфимский государственный авиационный технический университет | Horizontal hydraulic specialized press |
CN206495840U (en) * | 2017-01-03 | 2017-09-15 | 天津市浩琳机械加工有限公司 | A kind of pair of rod high-voltage oil cylinder |
CN107387489A (en) * | 2017-09-01 | 2017-11-24 | 董祥义 | A kind of double acting oil cylinder of single plunger |
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Effective date of registration: 20190815 Address after: No. 66 Haichuan Road, Jiangbei Hongtang Development Zone, Ningbo City, Zhejiang Province, 315000 Applicant after: NINGBO DEMA INTELLIGENT MACHINERY Co.,Ltd. Address before: 315000 Yucai Road 288, Jiangbei District, Ningbo City, Zhejiang Province Applicant before: Dong Xiangyi |
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