CN102173089A - Medium and small-sized hydraulic machine and die change device thereof - Google Patents
Medium and small-sized hydraulic machine and die change device thereof Download PDFInfo
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- CN102173089A CN102173089A CN2011100583478A CN201110058347A CN102173089A CN 102173089 A CN102173089 A CN 102173089A CN 2011100583478 A CN2011100583478 A CN 2011100583478A CN 201110058347 A CN201110058347 A CN 201110058347A CN 102173089 A CN102173089 A CN 102173089A
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- workbench
- supporting plate
- changing device
- mould changing
- guide rail
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/085—Accessories for handling work or tools handling of tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/14—Particular arrangements for handling and holding in place complete dies
- B21D37/147—Tool exchange carts
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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
- B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
- B30B15/028—Loading or unloading of dies, platens or press rams
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Forging (AREA)
Abstract
The invention discloses a die change device which comprises a workbench and a supporting plate, as well as a frame arranged below the supporting plate, wherein a die is arranged in the workbench, and the workbench is supported on the supporting plate; the die change device further comprises a guide rail support and a hydraulic cylinder; the frame penetrates through the front part and rear part of the fixed part of the hydraulic cylinder, the fixed part of the hydraulic cylinder is fixedly supported on the frame, and the movable part of the hydraulic cylinder is connected with the workbench through a connecting part; and the guide rail support is arranged on one side of the movable part and comprises a support cross beam and support legs, one side of the support cross beam is fixedly connected with the supporting plate, the height of the top surface of the support cross beam is equal to the that of the top surface of the supporting plate, and the bottoms of the support legs are supported on the ground. By adopting the die change device, the workbench can be safely and quickly pulled out of and pushed into a machine body, thereby facilitating the replacement of the die of the hydraulic machine. The invention further discloses a medium and small-sized hydraulic machine which comprises the machine body, an electrical control system and a hydraulic control system, wherein the die change device is utilized as the machine body, and the die change device is connected with the bottom of the machine body. The hydraulic machine also has the corresponding technical effects.
Description
Technical field
The present invention relates to the hydraulic press technical field, relate in particular to a kind of mould changing device of middle-size and small-size hydraulic press.The invention still further relates to a kind of hydraulic press that comprises above-mentioned mould changing device.
Background technology
Hydraulic press be a kind of be working media with liquid, transmit energy to realize polytechnic machine according to pascal's principle being used to of making, divide by the class of liquids of transmitting pressure, hydraulic press is divided into hydraulic press and hydraulic press two big classes.The gross pressure that hydraulic press produces is bigger, is usually used in forging and punching press.
Hydraulic press can also be used for correcting, press-fits, packing, briquetting and pressing plate etc. except that being used for excellent suitability for press forming.Common hydraulic press mainly comprises: frame for movement, hydraulic drive, electrical control three parts are formed, its course of work is as follows: place bed die and blank on the workbench of this machine of hydraulic press bottom, slide block is set above workbench, place mold and blank on the slide block, utilize electrical control, hydraulicdriven principle makes slide block drive the downward punching press of patrix, makes blank produce plastic deformation, thus the shape and size that acquisition and mould are complementary.
At present, in hydraulic press uses, the particularly production of multi-varieties and small-batch, a large amount of different moulds need constant replacing.For large-scale hydraulic press, a whole set of mould changing device that need be relatively independent usually with the body of hydraulic press, for example the die change dolly that can move is voluntarily finished the work of die change.And, adopt the form of die change dolly can increase production cost for middle-size and small-size hydraulic press.So when changing template, usually workbench is pulled out from the hydraulic press body, take out the existing mold that is positioned on the workbench, be replaced by new mould, at last workbench is pushed the hydraulic press body again, the forging and pressing process of beginning new product.
When at present known middle-size and small-size hydraulic press was changed template, the work that workbench is pulled out from the hydraulic press body and pushed again mainly relied on operator's manpower to finish, inefficiency so not only, and operator's personal safety do not ensured.
Therefore, how in conjunction with the structure of the body of existing hydraulic press, design a kind of mould changing device, make it can be quick and safe workbench is pulled out and pushed from body, and realize accurately location in the process of pulling out and pushing, making things convenient for the replacing of hydraulic press mould, is that those skilled in the art is badly in need of the technical problem that solves at present.
Summary of the invention
The technical problem to be solved in the present invention is for providing a kind of mould changing device of middle-size and small-size hydraulic press, this mould changing device can pull out workbench and push safely and apace from body, and realize accurately location in the process of pulling out and pushing, make things convenient for the replacing of hydraulic press mould.Another technical problem that the present invention will solve is for providing a kind of middle-size and small-size hydraulic press that comprises above-mentioned mould changing device.
For solving the problems of the technologies described above, the invention provides a kind of mould changing device, comprise workbench, supporting plate, and the frame of being located at described supporting plate below, mould is housed in the described workbench and is supported in described supporting plate; Described mould changing device also comprises rail brackets and hydraulic cylinder; Run through described frame before and after the fixed part of described hydraulic cylinder, and be fixedly supported to described frame, the movable part of described hydraulic cylinder is connected with described workbench by connector; Described rail brackets is located at a side of described movable part, comprise supporting traverse and supporting leg, one side of described supporting traverse is fixedly connected on described supporting plate, and the apical side height of described supporting traverse equals the apical side height of described supporting plate, and the bottom of described supporting leg is supported in ground.
Preferably, described supporting plate is provided with guiding mechanism in the both sides perpendicular to described hydraulic cylinder, is provided with guide pad in the described guiding mechanism, and described guide pad contacts with the outer wall of described workbench.
Preferably, described guide pad is specially directive wheel, described guiding mechanism comprises the trench structure and the cover plate that be connected in described trench structure top of opening towards described workbench, and described cover plate middle part is connected with vertical bearing pin, and described bearing pin is set with described directive wheel outward.
Preferably, also comprise hold down gag, described hold down gag comprises first block of being located at described supporting plate rear end and is located at second block of described workbench rear end that the ramp of the lower inclined plane of described first block and described second block is fitted.
Preferably, described hold down gag also comprises the 3rd block of being located at described supporting plate front side and is located at the 4th block at two ends, described workbench front side that the ramp of the lower inclined plane of described the 3rd block and described the 4th block is fitted.
Preferably, the groove that extends before and after the end face of described supporting plate is provided with is provided with floating guide rail device in the described groove; Described floating guide rail device comprises guide rail and Lift Part, and described guide rail is provided with roller on the top, and during described Lift Part lifting, the upper end roll surface of described roller is higher or lower than the end face of described supporting plate.
Preferably, described Lift Part is specially upper piston and the lower piston that vertically runs through described guide rail, described upper piston is fixedly connected on described guide rail, the oil duct that extends before and after also being provided with in the described guide rail, and described oil duct is communicated in the oil pocket between described upper piston and the described lower piston.
Preferably, the end face of described rail brackets also is provided with described groove, also is provided with described floating guide rail device in the described groove.
Preferably, described mould changing device also comprises location-plate, the top of described location-plate is fixedly connected on the front side of described workbench, and the bottom of described location-plate is lower than the end face of described supporting plate, and the leading flank of the medial surface of described location-plate and the leading flank of described workbench, described supporting plate is fitted.
The present invention also provides a kind of middle-size and small-size hydraulic press, comprises body, electric control system and hydraulic control system; Described body adopts above-mentioned mould changing device, and described mould changing device is connected in the bottom of described body.
Mould changing device provided by the present invention comprises rail brackets and hydraulic cylinder; Run through frame before and after the fixed part of hydraulic cylinder, and be fixedly supported to frame, the movable part of hydraulic cylinder is connected with workbench by connector; Rail brackets is located at a side of movable part, comprises supporting traverse and supporting leg, and a side of supporting traverse is fixedly connected on supporting plate, and the apical side height of supporting traverse equals the apical side height of supporting plate, and the bottom of supporting leg is supported in ground.
Adopt this structure, when hydraulic press needs more mold exchange, it is protruding that the pressure oil that can control hydraulic cylinder orders about the movable part of hydraulic cylinder, and it is outwards mobile under the body to drive the workbench that links to each other with movable part, moves on the rail brackets fully up to workbench to stop; Take out existing mold from workbench this moment, and install new mould; Pressure oil in the control hydraulic cylinder is inwardly withdrawn movable part, drives the workbench that is attached thereto and moves inward, and moves to fully on the supporting plate up to workbench, comes back to the operating position, begins new forging and pressing operation.
This shows, adopt above-mentioned mould changing device, pressure oil by the control hydraulic cylinder makes workbench quick and stable ground pull out and push from body, when workbench is pulled out,, can stably be supported on the supporting traverse after making workbench break away from supporting plate because the apical side height of the supporting traverse of rail brackets equals the apical side height of supporting plate, make things convenient for the replacing of mould, compared to existing technology, this mould changing device has improved operating efficiency greatly, and has guaranteed operating personnel's safety.
Because above-mentioned mould changing device has above-mentioned useful technique effect, therefore, comprises that the hydraulic press of this mould changing device also should have the corresponding techniques effect, does not repeat them here.
Description of drawings
Fig. 1 is the structural representation of a kind of specific embodiment of mould changing device provided by the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the hold down gag among Fig. 1 and the structural representation of guider;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the structural representation of the floating guide rail device among Fig. 1;
Fig. 7 is the structural representation of a kind of specific embodiment of hydraulic press provided by the present invention.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 1 to Fig. 7: 1 workbench; 2 supporting plates; 3 frames; 4 rail bracketses; 5 hydraulic cylinders; 6 guiding mechanisms; 7 hold down gags; 8 floating guide rail devices; 9 location-plates; 41 supporting traverses; 42 supporting legs; 51 fixed parts; 52 movable parts; 53 connectors; 61 guide pads; 62 trench structures; 63 cover plates; 64 bearing pins; 71 first blocks; 72 second blocks; 73 the 3rd blocks; 74 the 4th blocks; 81 guide rails; 82 Lift Parts; 811 rollers; 812 oil ducts; 821 upper pistons; 822 lower pistons; 823 oil pockets.
The specific embodiment
Core of the present invention is for providing a kind of mould changing device of middle-size and small-size hydraulic press, and the realization workbench that this mould changing device can be quick and safe is pulled out from body and pushed, thereby has improved the more efficient of mold exchange greatly.Another core of the present invention is for providing a kind of hydraulic press that comprises above-mentioned mould changing device.
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is the structural representation of a kind of specific embodiment of mould changing device provided by the present invention; Fig. 2 is the right view of Fig. 1; Fig. 3 is the vertical view of Fig. 2.
In a kind of concrete embodiment, as Fig. 1, Fig. 2 and shown in Figure 3, mould changing device provided by the present invention comprises workbench 1, supporting plate 2, frame 3, hydraulic cylinder 5 and rail brackets 4; In the workbench 1 mould being installed, is the important process parts of hydraulic press; Supporting plate 2 is arranged at the below and the support table 1 of workbench 1; Frame 3 is main supports of hydraulic press body, is arranged at the below of supporting plate 2, support table 1 and supporting plate 2; Hydraulic cylinder 5 is arranged on the frame 3, and its fixed part 51 front and back are run through frame 3 and are fixedly supported to frame 3, and its movable part 52 is connected in workbench 1 by connector 53; Rail brackets 4 is arranged at a side of the movable part 52 of hydraulic cylinder 5, comprises supporting traverse 41 and supporting leg 42, and a side of supporting traverse 41 is fixedly connected on supporting plate 2, and the apical side height of supporting traverse 41 equals the apical side height of supporting plate 2, and the bottom of supporting leg 42 is supported in ground.
Adopt this structure, when hydraulic press needs more mold exchange, it is protruding that the pressure oil that can control hydraulic cylinder 5 orders about the movable part 52 of hydraulic cylinder 5, and it is outwards mobile under the body to drive the workbench 1 that links to each other with movable part 52, moves to fully on the rail brackets 4 up to workbench 1 to stop; Take out existing mold from workbench 1 this moment, and install new mould; Pressure oil in the control hydraulic cylinder 5 is inwardly withdrawn movable part 52, drives the workbench 1 that is attached thereto and moves inward, and moves to fully on the supporting plate 2 up to workbench 1, comes back to the operating position, begins new forging and pressing operation.
This shows, adopt above-mentioned mould changing device, pressure oil by control hydraulic cylinder 5 makes workbench 1 quick and stable ground pull out and push from body, when workbench 1 is pulled out,, can stably be supported on the supporting traverse 41 after making workbench 1 break away from supporting plate 2 because the apical side height of the supporting traverse 41 of rail brackets 4 equals the apical side height of supporting plate 2, make things convenient for the replacing of mould, compared to existing technology, this mould changing device has improved operating efficiency greatly, and has guaranteed operating personnel's safety.
Need to prove that above-mentioned rail brackets 4 preferably is not less than the length of workbench 1 fore-and-aft direction in the length of fore-and-aft direction, can increase workbench 1 like this and place stability on the supporting traverse 41; The stroke of hydraulic cylinder 5 needs enough big, thereby guarantees workbench 1 is moved on the supporting traverse 41 of rail brackets 4 fully.
Above-mentioned connector 53 can be specially curved boom, this curved boom can comprise the bending structure that is 90 degree, the horizontal arm of this bending structure is fixedly connected on workbench 1, the bottom of its vertical arm is fixedly connected on the movable part 52 of hydraulic cylinder 5, adopt such connector 53, when hydraulic cylinder 5 was protruding, the horizontal arm on curved boom top fully flatly was pulled outwardly moving workbench 1, this makes the stressed steady, reliable of workbench 1, and this curved boom has characteristics simple in structure, convenient processing and manufacture.Certainly, above-mentioned connector 53 can also adopt other structures, for example can be specially the U type arm of lodging, upper and lower two sidewall horizontal settings of this U type arm, and be connected to the movable part 52 of workbench 1 and hydraulic cylinder 5, can realize same function.
In addition; the noun of locality that is occurred " preceding " refers to the direction of the hydraulic press back side to the hydraulic press front herein; it is from left to right direction among Fig. 1; the noun of locality " back " refers to the positive direction to the hydraulic press back side of hydraulic press; it is dextrosinistral direction among Fig. 1; the appearance that should be appreciated that these nouns of locality is that benchmark is set up with the accompanying drawing, and their appearance should not influence protection scope of the present invention.Certainly; the movable part 52 that the foregoing description does not limit hydraulic cylinder 5 is located at the front end or the rear end of frame 3; in fact; no matter movable part 52 is located at the front end or the rear end of frame 3; one side of the movable part 52 of every hydraulic cylinder 5 is provided with rail brackets 4; guarantee to be positioned over after workbench 1 stretches out the mould changing device of rail brackets 4, all should work as and belong to protection scope of the present invention.
The specific constructive form of above-mentioned mould changing device can also further be set.
Please refer to Fig. 4 and Fig. 5, Fig. 4 is the hold down gag 7 among Fig. 1 and the structural representation of guider; Fig. 5 is the vertical view of Fig. 4.
In the concrete embodiment of another kind, as shown in Figure 4 and Figure 5, above-mentioned supporting plate 2 is provided with guiding mechanism 6 in the both sides perpendicular to hydraulic cylinder 5, is provided with guide pad 61 in this guiding mechanism 6, and this guide pad 61 contacts with the outer wall of workbench 1.By such guiding mechanism 6 is set, make workbench 1 when the movable part 52 with hydraulic cylinder 5 stretches out forward, the guide pad 61 of its both sides contacts with two external wall friction of workbench 1, and workbench 1 is moved ahead along the projected path straight line, has played good guide effect.Here, fore-and-aft direction in frame 3 can be provided with 2 above-mentioned guiding mechanisms 6, promptly is symmetrical arranged 4 guiding mechanisms 6 altogether in the both sides of workbench 1, can play guide effect more accurately, certainly, above-mentioned mould changing device can also comprise the guiding mechanism 6 of other quantity.
In concrete scheme, above-mentioned guide pad 61 can be specially directive wheel, guiding mechanism 6 can comprise the bathtub construction 62 and the cover plate 63 that be connected in bathtub construction 62 tops of opening towards workbench 1, and cover plate 63 middle parts are connected with vertical bearing pin 64, the bearing pin 64 outer directive wheels that are set with.Here guide pad 61 is set to directive wheel, the sliding friction of guide pad 61 and workbench 1 can be become rolling friction, under the situation that does not weaken guide effect, further reduce wearing and tearing, thereby strengthened the service life of guide pad 61, reduced the production cost of mould changing device.
Certainly, above-mentioned guide pad 61 is not limited in directive wheel, can also be other structures such as guide plate; Above-mentioned guide pad 61 can be the guide pad 61 of wear-resisting material, can further strengthen its service life; Above-mentioned bathtub construction can be specially three risers and be welded, certainly, this bathtub construction can be other structures, as shown in Figure 4 and Figure 5, above-mentioned bathtub construction 62 can be specially by three risers and combine, and two erect plates that be arranged in parallel all vertically are fixed on the supporting plate 2 by bolt, and a transverse vertical plate also vertically is fixed on the supporting plate 2 by bolt, the medial surface of transverse vertical plate posts and fixes with the lateral surface of two erect plates and is connected, and forms bathtub construction.Certainly, this transverse vertical plate can also have bending structure, the medial surface of its bending part can fit in two erect plates, coat this erect plate and fixedly connected with it from the outside, thereby formation bathtub construction, when such bathtub construction is moved in workbench 1 front and back, can strengthen the intensity of bathtub construction, prevent to cause that owing to the workbench 1 and the frictional force of directive wheel are excessive the inclination of fore-and-aft direction takes place bathtub construction 62.Certainly, the binding face of the lateral surface of the medial surface of above-mentioned transverse vertical plate and two erect plates can be parallel to the outer wall of workbench 1, can also with the setting in a certain angle of workbench 1 outer wall.
Other concrete structures of above-mentioned mould changing device can also further be set.
In another embodiment, as shown in Figure 4 and Figure 5, above-mentioned mould changing device can also comprise hold down gag 7, and hold down gag 7 comprises the ramp applying of the lower inclined plane and second block 72 of first block 71 of being located at supporting plate 2 rear ends and second block, 72, the first blocks 71 of being located at workbench 1 rear end.Adopt such hold down gag 7, make when mould changing device back into workbench 1 on the supporting plate 2, first block 71 contacts gradually with second block 72, up to fitting fully, workbench 1 tightly can be pressed on the supporting plate 2, realizes good positioning action.
In addition, hold down gag 7 can also comprise the ramp applying of the lower inclined plane and the 4th block 74 of the 3rd block 73 of being located at supporting plate 2 front sides and the 4th block 74, the three blocks 73 of being located at two ends, workbench 1 front side.Identical with the effect of above-mentioned first block 71 and second block 72, when backing into workbench 1 on the supporting plate 2, the 3rd block 73 and the 4th block 74 are fitted fully, can further strengthen the accuracy of workbench 1 and supporting plate 2 location.
Other concrete structures of above-mentioned mould changing device can also further be set.
Please refer to Fig. 6, Fig. 6 is the structural representation of the floating guide rail device among Fig. 1.
In the concrete embodiment of another kind, as shown in Figure 6, above-mentioned mould changing device can also comprise floating guide rail device 8; The groove that extends before and after the end face of supporting plate 2 is provided with is provided with this floating guide rail device 8 in the groove; Floating guide rail device 8 comprises guide rail 81 and Lift Part 82, and guide rail 81 is provided with roller 811 on the top, and during Lift Part 82 liftings, the upper end roll surface of roller 811 is higher or lower than the end face of supporting plate 2.
Particularly, above-mentioned Lift Part 82 can specifically vertically run through the upper piston 821 and the lower piston 822 of guide rail 81, upper piston 821 is fixedly connected on guide rail 81, the oil duct 812 that extends before and after also being provided with in the guide rail 81, and oil duct 812 is communicated in the oil pocket 823 between upper piston 821 and the lower piston 822.
Adopt this floating guide rail device 8, when workbench 1 operate as normal, Lift Part 82 is in the landing state, and the upper end roll surface of the roller 811 on the guide rail 81 is lower than the end face of workbench 1; When needs pull out workbench 1 or push back, start oil piping system, feed pressure oil to oil duct 812, pressure oil flows into the oil pocket 823 between upper piston 821 and the lower piston 822, along with increasing gradually of pressure oil, upper piston 821 upwards rises, thereby driving fixedly connected with it guide rail 81 upwards rises, so the upper end roll surface of roller 811 is higher than the end face of workbench 1, make mould changing device in the process of pulling out and push workbench 1, the upper end roll surface of the roller 811 of the bottom surface of workbench 1 and floating guide rail device 8 forms rolling friction, thereby use less thrust just can realize pushing and pulling out of workbench 1, save driving force greatly, reduced the production cost of mould changing device.Certainly; except the Lift Part 82 that above-mentioned upper piston 821 and lower piston 822 form; above-mentioned floating guide rail device 8 can also adopt other structures, and the floating guide rail device 8 that the every upper end roll surface that can realize roller 811 is higher or lower than supporting plate 2 end faces with the lifting of Lift Part 82 all should be worked as and be belonged in protection scope of the present invention.
Certainly, above-mentioned embodiment does not limit the concrete quantity of floating guide rail device 8, size and weight according to workbench 1,4 grooves can be arranged in parallel on supporting plate 2, built-in 4 guide rails 81, certainly can also be other quantity, each floating guide rail device 8 also can be provided with several Lift Parts 82 according to the front and back length of workbench 1, to guarantee to prop up fully the weight of workbench 1.
In another embodiment, the end face of above-mentioned rail brackets 4 is also offered above-mentioned groove, also is provided with above-mentioned floating guide rail device 8 in the groove.Like this, when workbench 1 moves to rail brackets 4 and when rail brackets 4 shifts out, also can form sliding friction, thereby the thrust when reducing die change further reduces cost with the top of the supporting surface of rail brackets 4.
The specific constructive form of above-mentioned mould changing device can also further be set.
In the concrete embodiment of another kind, mould changing device can also comprise location-plate 9, the top of location-plate 9 is fixedly connected on the front side of workbench 1, and the bottom of location-plate 9 is lower than the end face of supporting plate 2, and the leading flank of the medial surface of location-plate 9 and workbench 1, the leading flank of supporting plate 2 are fitted.
Adopt such structure, when workbench 1 is back on the supporting plate 2 by the front side, when the location-plate 9 that is installed on workbench 1 front side touches the leading flank of supporting plate 2, just stop motion of workbench 1, this has further played the accurately effect of location when workbench 1 pushes back.
Please refer to Fig. 7, Fig. 7 is the structural representation of a kind of specific embodiment of hydraulic press provided by the present invention.
As shown in Figure 7, the present invention also provides a kind of middle-size and small-size hydraulic press, comprises body, electric control system and hydraulic control system; Body adopts above-mentioned mould changing device, and mould changing device is connected in the bottom of body.Because above-mentioned mould changing device has above-mentioned useful technique effect, therefore, comprises that the hydraulic press of this mould changing device also should have the corresponding techniques effect, does not repeat them here.
More than a kind of middle-size and small-size hydraulic press provided by the present invention and mould changing device thereof are described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. a mould changing device comprises workbench (1), supporting plate (2), and the frame (3) of being located at described supporting plate (2) below, in the described workbench (1) mould is housed and is supported in described supporting plate (2); It is characterized in that described mould changing device also comprises rail brackets (4) and hydraulic cylinder (5); Run through described frame (3) before and after the fixed part (51) of described hydraulic cylinder (5), and be fixedly supported to described frame (3), the movable part (52) of described hydraulic cylinder (5) is connected with described workbench (1) by connector (53); Described rail brackets (4) is located at a side of described movable part (52), comprise supporting traverse (41) and supporting leg (42), one side of described supporting traverse (41) is fixedly connected on described supporting plate (2), the apical side height of described supporting traverse (41) equals the apical side height of described supporting plate (2), and the bottom of described supporting leg (42) is supported in ground.
2. mould changing device according to claim 1, it is characterized in that, described supporting plate (2) is provided with guiding mechanism (6) in the both sides perpendicular to described hydraulic cylinder (5), is provided with guide pad (61) in the described guiding mechanism (6), and described guide pad (61) contacts with the outer wall of described workbench (1).
3. mould changing device according to claim 2, it is characterized in that, described guide pad (61) is specially directive wheel, described guiding mechanism (6) comprises that opening is towards the trench structure (62) of described workbench (1) be connected in the cover plate (63) of described trench structure (62) top, described cover plate (63) middle part is connected with vertical bearing pin (64), is set with described directive wheel outside the described bearing pin (64).
4. according to each described mould changing device of claim 1-3, it is characterized in that, also comprise hold down gag (7), described hold down gag (7) comprises first block (71) of being located at described supporting plate (2) rear end and is located at second block (72) of described workbench (1) rear end that the ramp of the lower inclined plane of described first block (71) and described second block (72) is fitted.
5. mould changing device according to claim 4, it is characterized in that, described hold down gag (7) also comprises the 3rd block (73) of being located at described supporting plate (2) front side and is located at the 4th block (74) at described workbench (1) two ends, front side that the ramp of the lower inclined plane of described the 3rd block (73) and described the 4th block (74) is fitted.
6. according to each described mould changing device of claim 1-3, it is characterized in that the groove that extends before and after the end face of described supporting plate (2) is provided with is provided with floating guide rail device (8) in the described groove; Described floating guide rail device (8) comprises guide rail (81) and Lift Part (82), described guide rail (81) is provided with roller (811) on the top, during described Lift Part (82) lifting, the upper end roll surface of described roller (811) is higher or lower than the end face of described supporting plate (2).
7. mould changing device according to claim 6, it is characterized in that, described Lift Part (82) is specially upper piston (821) and the lower piston (822) that vertically runs through described guide rail (81), described upper piston (821) is fixedly connected on described guide rail (81), the oil duct (812) that extends before and after described guide rail (81) also is provided with, described oil duct (812) is communicated in the oil pocket (823) between described upper piston (821) and the described lower piston (822).
8. mould changing device according to claim 7 is characterized in that, the end face of described rail brackets (4) also is provided with described groove, also is provided with described floating guide rail device (8) in the described groove.
9. according to each described mould changing device of claim 1-3, it is characterized in that, described mould changing device also comprises location-plate (9), the top of described location-plate (9) is fixedly connected on the front side of described workbench (1), the bottom of described location-plate (9) is lower than the end face of described supporting plate (2), and the leading flank of the medial surface of described location-plate (9) and the leading flank of described workbench (1), described supporting plate (2) is fitted.
10. a middle-size and small-size hydraulic press comprises body, electric control system and hydraulic control system; It is characterized in that described body adopts as each described mould changing device of claim 1-9, described mould changing device is connected in the bottom of described body.
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CN2011100583478A CN102173089B (en) | 2011-03-10 | 2011-03-10 | Medium and small-sized hydraulic machine and die change device thereof |
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CN2011100583478A CN102173089B (en) | 2011-03-10 | 2011-03-10 | Medium and small-sized hydraulic machine and die change device thereof |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103252917A (en) * | 2013-05-22 | 2013-08-21 | 合肥海德数控液压设备有限公司 | Elastic lifting device for small and medium size table hydraulic machine and moving method thereof |
CN104551598A (en) * | 2015-01-20 | 2015-04-29 | 江苏扬力集团有限公司 | Quick die change trolley for press machine |
CN105033598A (en) * | 2015-05-29 | 2015-11-11 | 杭州珂瑞特机械制造有限公司 | Rapid knife box disassembling and assembling die lifter and rapid disassembling and assembling method |
CN106426759A (en) * | 2016-11-18 | 2017-02-22 | 江苏智石科技有限公司 | Universal mold change trolley system |
CN106799860A (en) * | 2017-03-23 | 2017-06-06 | 青岛力磁电气股份有限公司 | Stamping machine |
CN112659614A (en) * | 2020-12-21 | 2021-04-16 | 滕州市百兴机械有限公司 | Small-table-board large-tonnage six-cylinder hydraulic press |
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CN2510278Y (en) * | 2001-10-17 | 2002-09-11 | 富伟精机股份有限公司 | Hydraulic die-lifting apparatus |
CN2917863Y (en) * | 2006-05-24 | 2007-07-04 | 比亚迪股份有限公司 | Punch workbench casting exchange guide rail and guide bracket used with the same |
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WO2002036322A1 (en) * | 2000-10-30 | 2002-05-10 | Husky Injection Molding Systems Ltd. | Injection molding machine having a mold plate for uniform distribution of mold clamping forces |
CN2510278Y (en) * | 2001-10-17 | 2002-09-11 | 富伟精机股份有限公司 | Hydraulic die-lifting apparatus |
CN2917863Y (en) * | 2006-05-24 | 2007-07-04 | 比亚迪股份有限公司 | Punch workbench casting exchange guide rail and guide bracket used with the same |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103252917A (en) * | 2013-05-22 | 2013-08-21 | 合肥海德数控液压设备有限公司 | Elastic lifting device for small and medium size table hydraulic machine and moving method thereof |
CN103252917B (en) * | 2013-05-22 | 2015-04-22 | 合肥海德数控液压设备有限公司 | Elastic lifting device for small and medium size table hydraulic machine and moving method thereof |
CN104551598A (en) * | 2015-01-20 | 2015-04-29 | 江苏扬力集团有限公司 | Quick die change trolley for press machine |
CN105033598A (en) * | 2015-05-29 | 2015-11-11 | 杭州珂瑞特机械制造有限公司 | Rapid knife box disassembling and assembling die lifter and rapid disassembling and assembling method |
CN105033598B (en) * | 2015-05-29 | 2020-07-31 | 浙江永创机械有限公司 | Quick disassembling and assembling die lifter for knife box and quick disassembling and assembling method |
CN106426759A (en) * | 2016-11-18 | 2017-02-22 | 江苏智石科技有限公司 | Universal mold change trolley system |
CN106799860A (en) * | 2017-03-23 | 2017-06-06 | 青岛力磁电气股份有限公司 | Stamping machine |
CN112659614A (en) * | 2020-12-21 | 2021-04-16 | 滕州市百兴机械有限公司 | Small-table-board large-tonnage six-cylinder hydraulic press |
CN112659614B (en) * | 2020-12-21 | 2023-05-23 | 滕州市百兴机械有限公司 | Small-table-board large-tonnage six-cylinder hydraulic machine |
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