CN220480886U - Integral die casting turnover fixture - Google Patents
Integral die casting turnover fixture Download PDFInfo
- Publication number
- CN220480886U CN220480886U CN202321794403.9U CN202321794403U CN220480886U CN 220480886 U CN220480886 U CN 220480886U CN 202321794403 U CN202321794403 U CN 202321794403U CN 220480886 U CN220480886 U CN 220480886U
- Authority
- CN
- China
- Prior art keywords
- die casting
- main pressing
- floating
- clamping
- bridge plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004512 die casting Methods 0.000 title claims abstract description 60
- 230000007306 turnover Effects 0.000 title claims abstract description 9
- 238000003825 pressing Methods 0.000 claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000003754 machining Methods 0.000 claims abstract description 21
- 230000002441 reversible effect Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The application discloses but integrative die casting flip fixture, include: a double-spindle gantry five-axis machine tool is provided with two independent spindles; clamping device, clamping device includes: the clamping turnover mechanism is used for clamping the bridge plate and can drive the bridge plate to rotate; bridge plate with frame structure; the bottom plate is arranged on the bridge plate and is used for installing a die casting to be processed; the main pressing mechanism comprises a Z-direction positioning seat and a main pressing oil cylinder, wherein the Z-direction positioning seat is used for supporting one side of a die casting, the end part of a piston rod of the main pressing oil cylinder is connected with one end of a main pressing rod, the middle part of the main pressing rod is hinged with a cylinder barrel of the main pressing oil cylinder, the other end of the main pressing rod is driven by the main pressing oil cylinder to be pressed on the other side of the die casting, and the Z direction is vertical to the bottom plate; the floating locating pin, the end of which is inserted in the direction X, Y of the die casting in a Z-direction to locate the pre-cast hole, and the direction X, Y is parallel to the bottom plate. The novel rotary clamping device can be used for machining all the characteristics at any angle through one-order clamping, and is free from sequence-changing clamping machining, and high in machining efficiency.
Description
Technical Field
The utility model relates to the technical field of die casting, in particular to an integral die casting turnover fixture.
Background
The integrated die casting of automobile is a kind of manufacturing technique combining the pressure casting and the precision machining together, and can change the automobile parts from the traditional step-by-step manufacturing mode to one-step forming, thereby improving the production efficiency and the product quality.
For example, the new energy integrated die-cast floor has the characteristics of more processing characteristics, more processing angles, more symmetrical characteristics, small wall thickness of parts and the like. The prior art is provided with a single-spindle gantry five-axis machine tool, the machining characteristics of the front and the back are respectively machined by adopting a two-sequence clamp, the two-sequence machining wastes a great amount of manipulator clamping time, manipulator waiting time and tool changing time, and the problems of poor repeated positioning precision of sequence conversion, high clamp cost, high cost of a plurality of machine tools and the like are solved.
Disclosure of Invention
To solve the above problem, the application discloses a but integrative die casting upset anchor clamps, include:
clamping device, clamping device includes:
the clamping turnover mechanism is used for clamping the bridge plate and can drive the bridge plate to rotate;
bridge plate with frame structure;
the bottom plate is arranged on the bridge plate and used for installing a die casting to be processed;
the main pressing mechanism comprises a Z-direction positioning seat and a main pressing oil cylinder, wherein the Z-direction positioning seat is used for supporting one surface of a die casting, the end part of a piston rod of the main pressing oil cylinder is connected with one end of a main pressing rod, the middle part of the main pressing rod is hinged with a cylinder barrel of the main pressing oil cylinder, the other end of the main pressing rod is driven by the main pressing oil cylinder to press the other surface of the die casting, and the Z direction is perpendicular to the direction of a bottom plate;
and the end of the floating locating pin is inserted into the pre-cast hole in the direction X, Y of the die casting in a Z-direction in a floating manner, and the direction X, Y is parallel to the bottom plate.
Optionally, the device further comprises an auxiliary pressing mechanism, wherein the auxiliary pressing mechanism comprises a floating support, an auxiliary pressing oil cylinder and an auxiliary pressing rod, a piston rod of the auxiliary pressing oil cylinder is connected with one end of the auxiliary pressing rod, the middle part of the auxiliary pressing rod is hinged with a cylinder barrel of the auxiliary pressing oil cylinder, and the other end of the auxiliary pressing rod is combined with the floating support to clamp the structure on the die casting.
Optionally, there are a plurality of individual floating supporters supported on the one side and the side of the die casting, respectively, each floating supporter employing a pascal CSY oil lift type floating supporter to allow the support ends to contact the product for self-locking of the fixed position.
Optionally, the floating locating pin comprises a base and a spring embedded in the base, wherein the floating pin is installed at the upper end of the spring, and the lower end of the floating pin is limited in the base.
Optionally, the bridge plate is a frame structure which is formed by welding square tubes and is matched with the die casting in shape.
Optionally, an oil path connecting the cylinders is provided inside the bottom plate.
Optionally, the clamping turnover mechanism comprises a four-axis turntable and a four-axis tailstock, one end of the bridge plate is connected with the four-axis turntable, and the other end of the bridge plate is connected with the four-axis tailstock.
Optionally, the machine tool also comprises a double-spindle gantry five-axis machine tool, wherein the machine tool is provided with two independent spindles, and the two spindles are respectively positioned at two sides of the rotation axis of the four-axis turntable.
Optionally, a processing through hole is formed in the bottom plate, so that the spindle can pass through the processing die casting.
The utility model provides an integrative die casting anchor clamps that can overturn has following beneficial effect:
(1) All the characteristics can be processed by rotating at any angle through one-sequence clamping of the four-axis turntable, and the sequence-changing clamping processing is not needed.
(2) The dual spindle can process all the symmetrical features in place simultaneously.
(3) The asymmetric characteristic can be used for machining one main shaft and changing the tool of the other main shaft at the same time, so that the tool changing time is greatly shortened.
(4) The four-axis turntable is matched with the double-spindle five-axis machine tool to realize automation in the whole process, 360-degree dead angle-free machining is realized, and the machining efficiency is high.
Drawings
The above-mentioned features and technical advantages of the present utility model will become more apparent and readily appreciated from the following description of the embodiments thereof, taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic view showing a clamping device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram illustrating a primary hold-down mechanism according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram showing an auxiliary hold-down mechanism according to an embodiment of the present utility model;
FIG. 4 is a schematic view showing a floating dowel in accordance with an embodiment of the present utility model;
fig. 5 is a schematic view showing an integral die cast reversible clamp according to an embodiment of the present utility model.
Detailed Description
Embodiments of the present utility model will be described below with reference to the accompanying drawings. Those skilled in the art will recognize that the described embodiments may be modified in various different ways, or combinations thereof, without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive in scope. Furthermore, in the present specification, the drawings are not drawn to scale, and like reference numerals denote like parts.
The integral die casting turnover fixture comprises a double-spindle gantry five-axis machine tool and a clamping device, wherein the clamping device comprises a four-axis turntable 1, a four-axis tailstock 2, a bridge plate 3, a bottom plate 4, a main pressing mechanism 5, an auxiliary pressing mechanism 6, a floating support 7 and a floating positioning pin 8. The bridge plate 3 can be welded by square pipes to form a frame structure, is simple to manufacture and light in weight, and is suitable for placing die castings. For example, in fig. 1, the bridge plate 3 is a frame structure with a high supporting frame and a low supporting frame, the high supporting frame and the low supporting frame are connected into a whole through an oblique square pipe, so that the floor after the integral die casting of the frame is properly placed, and the bridge plate 3 can be arranged into other frame structures to facilitate the integral die casting of the frame. Wherein a base plate 4 is mounted on the high support frame and a base plate 4 is also mounted on the low support frame. The bottom plate 4 is used for installing a main pressing mechanism 5, an auxiliary pressing mechanism 6, a floating support 7 and the like, and specifically, the inside of the bottom plate is provided with an oil way for connecting and summarizing the oil way trend of all the oil cylinders. A machining through hole 9 is also provided in the base plate 4 so that the spindle can pass through the machining through hole 9 to machine the machining features of the die cast.
The bridge plate 3 one end is connected with the four-axis revolving stage, and the other end is connected with the four-axis tailstock, and four-axis revolving stage and four-axis tailstock are one kind and install the rotation axis mechanism at the clamping of machine tool additional that special large-scale anchor clamps used, and its structure can be approximately the anchor clamps that have centre gripping bridge plate 3 to and drive the rotatory actuating mechanism of anchor clamps, and its structure belongs to conventional art, and not detailed here, the accurate upset rotation 360 of four-axis revolving stage can arbitrary angle realize not having all characteristics of dead angle processing, and the difficult metal fillings of piling up of anchor clamps when four-axis upset.
The main pressing mechanism 5 is used for limiting the Z position of the die casting, and plays a main clamping role on the whole die casting. The Z-direction positioning seat 51 is used for supporting a set position on one surface of a die casting, the middle part of the main pressing rod 53 is hinged with a cylinder barrel of the main pressing cylinder 52, and the other end of the main pressing rod 53 can be pressed on the other surface of the die casting under the action of the main pressing cylinder, so that the die casting is clamped by the main pressing rod 53 and the Z-direction positioning seat 51. The main pressing mechanism 5 can be provided with a plurality of sets and can be set according to the structural characteristics of die castings. For example, fig. 1 shows 4 sets of main pressing mechanisms, which are mainly arranged at the positions of the die castings close to the four corners and suitable for clamping. The specific selection of the clamping position is conventional and will not be described herein.
The auxiliary pressing mechanism 6 is used for pressing the die casting by the main pressing mechanism 5, then the floating support 7 of the auxiliary pressing mechanism is propped against the die casting, and then the auxiliary pressing rod 63 is used for pressing the die casting again, so that the clamping strength of the whole die casting is reinforced, and the deformation of the die casting in the clamping process and the vibration phenomenon in the machining process are reduced. The auxiliary pressing mechanism 6 includes a floating support 7, an auxiliary pressing cylinder 62 and an auxiliary pressing rod 63, and the auxiliary pressing mechanism 6 does not limit its position on the front or the back of the die casting, nor its direction of placement, as long as it is suitable for clamping a structure on the die casting. The piston rod of the auxiliary compression cylinder 62 is connected with one end of an auxiliary compression rod 63, the middle part of the auxiliary compression rod 63 is hinged with a cylinder barrel of the auxiliary compression cylinder 62, and the other end of the auxiliary compression rod 63 is combined with the floating support 7 to clamp the structure on the die casting. The auxiliary pressing mechanism 6 can also be provided with a plurality of sets, and the auxiliary pressing mechanism can be set according to the structural characteristics of die castings. For example, fig. 1 shows 16 sets of auxiliary pressing mechanisms 6. The specific selection of the clamping position is conventional and will not be described herein.
In addition to the auxiliary hold-down mechanism 6 having the floating support 7, there are a plurality of individual floating supports 7 supported on one side and the side of the die casting, respectively. Each floating support 7 adopts a support oil cylinder, a piston rod of the support oil cylinder is in a floating state before contacting with the die casting, and after contacting with the die casting, the piston rod of the support oil cylinder is immediately locked in position, and the support oil cylinder is used for improving the processing quality of local features by being additionally arranged at the place with more processing features or easy vibration cutters of the die casting. The floating support 7 is a commercially available CSY oil pressure lifting type floating support of manufacturer Pascal, and the principle is that the floating support can self-lock and fix the position after contacting the resistance of about 10.25N of the product.
The floating locating pin 8 is used for locating the X, Y direction of the die casting, and the floating locating pin 8 adopts a spring mechanism to realize the function of floating the pin up and down so as to prevent that certain parts of the die casting are jacked up and certain parts of the die casting are not contacted with the Z-direction locating seat due to hard contact. The floating positioning pin 8 comprises a base 81 and a spring 82 embedded in the base 81, wherein a floating pin 83 is installed at the upper end of the spring 82, and the lower end of the floating pin 83 is limited in the base 81, so that the floating pin can float along with the spring and cannot leave the base 81. The floating pin may be restrained within the base 81 by the engagement of an annular inner boss on the upper end of the base 81 with an annular outer boss on the lower end of the floating pin. The die casting X, Y is provided with a X, Y-direction positioning pre-cast hole, the X, Y-direction positioning pre-cast hole is a hole with an axis along the Z direction, and the floating pin of the floating positioning pin 8 is inserted into the X, Y-direction positioning pre-cast hole, and the Z direction is in a floating state, so that the position in the X, Y direction is limited only.
It should be noted that, the above-mentioned compressing mechanism and the positioning pin are correspondingly arranged according to the different die casting structures, which is a conventional technical means in the art, and will not be described in detail herein.
The double-spindle five-axis machine tool 100 is provided with two spindles 101, the two spindles are respectively positioned on two sides of the rotation axis of the four-axis turntable 1, and when the integral die casting reversible clamp is used, the die casting 200 is placed on a clamping device through a mechanical arm and clamped and fixed. The two spindles can then machine all the symmetrical features of one face in place simultaneously. The asymmetric features are machined by adopting one main shaft, and the other main shaft can be used for preparing a cutter for the next machining feature in advance, so that the two main shafts can be used for machining each feature alternately, and the cutter changing time can be greatly reduced. When one surface is machined, the four-axis turntable is turned over for 180 degrees, the double-spindle five-axis machine tool finishes the feature machining of the other surface through the machining through hole 9, and the symmetrical features are synchronously machined in place, one spindle is machined for the asymmetrical features, and the other spindle is provided with a cutter for the next machining feature, so that the whole machining of the die casting is finished.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. An integral die casting reversible clamp, comprising:
clamping device, clamping device includes:
the clamping turnover mechanism is used for clamping the bridge plate and can drive the bridge plate to rotate;
bridge plate with frame structure;
the bottom plate is arranged on the bridge plate and used for installing a die casting to be processed;
the main pressing mechanism comprises a Z-direction positioning seat and a main pressing oil cylinder, wherein the Z-direction positioning seat is used for supporting one surface of a die casting, the end part of a piston rod of the main pressing oil cylinder is connected with one end of a main pressing rod, the middle part of the main pressing rod is hinged with a cylinder barrel of the main pressing oil cylinder, the other end of the main pressing rod is driven by the main pressing oil cylinder to press the other surface of the die casting, and the Z direction is perpendicular to the direction of a bottom plate;
and the end of the floating locating pin is inserted into the pre-cast hole in the direction X, Y of the die casting in a Z-direction in a floating manner, and the direction X, Y is parallel to the bottom plate.
2. The integrated die casting turnover fixture according to claim 1, further comprising an auxiliary pressing mechanism, wherein the auxiliary pressing mechanism comprises a floating support, an auxiliary pressing cylinder and an auxiliary pressing rod, a piston rod of the auxiliary pressing cylinder is connected with one end of the auxiliary pressing rod, the middle part of the auxiliary pressing rod is hinged with a cylinder barrel of the auxiliary pressing cylinder, and the other end of the auxiliary pressing rod is combined with the floating support to clamp the structure on the die casting.
3. The integrated die cast reversible clamp of claim 2, further comprising a plurality of individual floating supports supported on the one side and the side of the die cast, respectively, each floating support employing a pascal CSY oil lift type floating support such that the support ends are self-locking in position upon contact with the product.
4. The integral die cast reversible clamp as claimed in claim 1, wherein the floating locating pin comprises a base and a spring embedded in the base, a floating pin is mounted at an upper end of the spring, and a lower end of the floating pin is limited in the base.
5. The integral die cast reversible clamp as claimed in claim 1, wherein the bridge plate is a frame structure welded with square tubes and matched with the die cast in shape.
6. The one-piece die cast reversible clamp as claimed in claim 1, wherein,
the bottom plate is internally provided with an oil way for connecting the oil cylinders.
7. The integral die casting reversible clamp according to claim 1, wherein the clamping and turning mechanism comprises a four-axis turntable and a four-axis tailstock, and the bridge plate is connected with the four-axis turntable at one end and the four-axis tailstock at the other end.
8. The integrated die cast reversible clamp of claim 7, further comprising a double spindle gantry five-axis machine tool having two independent spindles, the two spindles being located on opposite sides of the axis of rotation of the four-axis turret.
9. The integral die cast reversible clamp as claimed in claim 1, wherein a machining through hole is provided in the base plate for the spindle to pass through the machining die cast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321794403.9U CN220480886U (en) | 2023-07-10 | 2023-07-10 | Integral die casting turnover fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321794403.9U CN220480886U (en) | 2023-07-10 | 2023-07-10 | Integral die casting turnover fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220480886U true CN220480886U (en) | 2024-02-13 |
Family
ID=89841251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321794403.9U Active CN220480886U (en) | 2023-07-10 | 2023-07-10 | Integral die casting turnover fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220480886U (en) |
-
2023
- 2023-07-10 CN CN202321794403.9U patent/CN220480886U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201073739Y (en) | Numerical control vertical lathe fixture | |
| CN103692228B (en) | Vertical machining centre processing passenger car axle end face and bottom surface frock | |
| CN110756636B (en) | Tool for synchronously bending multi-angle multi-azimuth parts | |
| CN220480886U (en) | Integral die casting turnover fixture | |
| CN214079603U (en) | Clamp exchange workbench mechanism of medium-sized gear shaper | |
| CN202388282U (en) | Machine tool fixture for secondary clamping of large workpieces | |
| CN208681376U (en) | A kind of product clamping fixer | |
| CN112222541B (en) | Clamp exchange workbench mechanism of medium-sized gear shaper and operation method | |
| CN214642008U (en) | Finish machining clamp for static rotating disc of scroll compressor | |
| CN203665164U (en) | Tool for machining two side faces of passenger car axle housing by means of vertical machining center | |
| CN212329838U (en) | Vertical pull-up type external broaching machine | |
| CN203665101U (en) | Tool for machining top surface and bottom surface of passenger car axle housing by means of vertical machining center | |
| CN218657944U (en) | 60-degree hydraulic overturning structure | |
| CN216399552U (en) | Forming tool for tower crane standard knot | |
| CN220806430U (en) | Hydraulic four-axis clamp of special-shaped shell | |
| CN112775375A (en) | Multi-angle combined type multidirectional die forging press | |
| CN219881811U (en) | Flange plate machining clamp | |
| CN219293263U (en) | Sawing and drilling integrated clamp for planetary gear support | |
| CN212989425U (en) | Multistation FPC test auxiliary fixture | |
| CN221019930U (en) | Four-axis manufacturing device for thin-wall non-standard lens base | |
| CN214393353U (en) | Non-shaft part turning positioning fixture | |
| CN219254895U (en) | Fixing jig for product processing | |
| CN219403355U (en) | CNC numerical control machining center auxiliary fixtures anchor clamps | |
| CN218874540U (en) | Automatic tool clamp for machining cylinder cover parts | |
| CN212735130U (en) | Special fixture for cross axle turning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |