CN210160785U - Combined type full-floating clamp - Google Patents
Combined type full-floating clamp Download PDFInfo
- Publication number
- CN210160785U CN210160785U CN201920834476.3U CN201920834476U CN210160785U CN 210160785 U CN210160785 U CN 210160785U CN 201920834476 U CN201920834476 U CN 201920834476U CN 210160785 U CN210160785 U CN 210160785U
- Authority
- CN
- China
- Prior art keywords
- clamp
- floating
- groups
- screws
- 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
Images
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a combined type full floating clamp, which comprises a plurality of groups of first floating clamps and second floating clamps, the first floating clamp and the second floating clamp are fixed on a machine tool workbench through tools such as screws, T-shaped blocks and the like, the first floating clamp comprises a clamp bottom plate arranged in a horizontal state, a plurality of groups of openings with U-shaped outlines for passing screws are arranged on the edge of the clamp bottom plate, the clamp bottom plate is provided with two parallel grooves, a plurality of floating first floating clamps and second floating clamps are arranged according to the shape of a workpiece and are fixed on a machine tool workbench, each floating clamp is provided with a balance weight cylinder, the proper air pressure is adjusted according to the weight of the workpiece, so that most of the weight of the workpiece is supported by the air cylinder, the floating pressure plate of the clamp is adaptive to the shape of the workpiece, and the shape of the workpiece cannot be changed after the workpiece is clamped. This combination formula anchor clamps that float entirely can solve the centre gripping deformation problem of rectangular form part, is fit for generally using widely.
Description
Technical Field
The utility model belongs to the technical field of anchor clamps, concretely relates to modular anchor clamps that float entirely.
Background
The jig is a device for fixing a processing object to a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig.
Elongated workpieces are typically secured to the table of the machine tool using flat tongs or platens. In the clamping process, a clearance below the workpiece needs to be adjusted by using a plug iron, and the workpiece is pressed tightly. After the pressure plate is pressurized, the workpiece can be flattened on the workbench. After the machining is finished, the pressing plate is loosened, the workpiece can rebound, and machining errors are caused. Manual operation is time-consuming and labor-consuming, and the workpiece cannot be fixed ideally.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a modular anchor clamps that float entirely to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a combined type full-floating clamp comprises a plurality of groups of first floating clamps and second floating clamps, wherein the first floating clamps and the second floating clamps are fixed on a machine tool workbench through tools such as screws and T-shaped blocks;
the first floating clamp comprises a clamp bottom plate which is arranged in a horizontal state, a plurality of groups of openings which are used for penetrating screws and have U-shaped outlines are formed in the edge of the clamp bottom plate, two parallel grooves are formed in the clamp bottom plate, clamp side plates which are perpendicular to the clamp bottom plate are arranged in the grooves, threaded holes are formed in the bottoms of the two groups of clamp side plates, the screws penetrate through the clamp bottom plate and enter the threaded holes in the bottoms of the clamp side plates to fix the two groups of clamp side plates above the clamp bottom plate, and a clamping cylinder is arranged between the two groups of clamp side plates;
two ends of the clamping cylinder are respectively hinged with a group of clamping cylinder connecting rods, the other ends of the clamping cylinder connecting rods are respectively connected with fisheye bearings through threads, the fisheye bearings are respectively hinged with universal pressing plates, one group of universal pressing plates are pressed on two groups of pressing plate guide pillars inside the self-adaptive chuck, the outer sides of two groups of pressing plate guide pillars outside the self-adaptive chuck are provided with a pair of positive nuts and negative nuts, the other ends of the pressing plate guide pillars are connected with a floating pressing plate through the fisheye bearings, positive and negative thread lead screws are arranged inside the positive nuts and the negative nuts, two groups of threads on the positive and negative thread lead screws are respectively matched with the positive nuts and the negative nuts, one ends of the positive and negative thread lead screws are connected with locking cylinder connecting rods, the other ends of the locking cylinder connecting rods are fixed on adjacent clamp side plates, the middle parts of the locking cylinder connecting rods are hinged with one ends of, the two ends of the locking cylinder are in a rotary connection relationship.
Preferably, the inner structure of the second floating clamp refers to the inner structure of the first floating clamp, the second floating clamp removes the positive and negative screw rod and the locking cylinder, the locking cylinder connecting rod, the positive nut and the negative nut which are connected with the positive and negative screw rod compared with the first floating clamp, and the clamp positioning block is added on the clamp side plate on one side compared with the first floating clamp, the clamp positioning block is fixed on the clamp side plate through screws, and the second floating clamp fixes two groups of positioning plates which are L-shaped and symmetrical to each other in profile through screws on the other group of clamp side plate.
Preferably, one side, away from the locking cylinder, of the clamp side plate of the first floating clamp is provided with a counterweight cylinder, the counterweight cylinder is fixed on the adjacent clamp side plate through a screw, and the lower end of the counterweight cylinder falls above the upper surface of the adjacent clamp bottom plate.
Preferably, the first floating clamp is provided with eight groups, the second floating clamp is provided with two groups, the first floating clamp and the second floating clamp are fixed on a workbench of a machine tool in a linear array state, two groups of first floating clamps are arranged on one side of the first group of second floating clamps, three groups of first floating clamps are arranged on the other side of the first group of second floating clamps, and three groups of first floating clamps are arranged on two sides of the second group of second floating clamps.
Preferably, a square pipe is arranged above the first floating clamp and the second floating clamp, the bottom plane of the square pipe is pressed on the counterweight cylinder and the clamp positioning block, a group of side walls of the square pipe is in contact with the universal pressing plate, and another group of side walls of the square pipe is in contact with the floating pressing plate.
Preferably, the air pipe bundling device is fixed at one end of each of the clamp side plates of the first floating clamp and the second floating clamp through screws.
The utility model discloses a technological effect and advantage: the combined full-floating clamp adopts a plurality of floating clamps arranged on a machine tool workbench according to the shape of a workpiece, except for a second floating clamp, each clamp is provided with a counterweight cylinder, the self weight of the workpiece is offset by each cylinder, and the self weight of the workpiece is prevented from sagging; the positioning plate and the clamp positioning block on the second floating clamp are in contact with the workpiece, so that the purpose of quickly determining the machining reference surface of the workpiece is achieved; after all the pressing plates are tightly pushed by the air cylinders, the locking air cylinders of all the clamps are pushed out except the second floating clamp, and the pressing plate guide pillars of the clamps are locked, so that the positions of the floating pressing plates are locked, and the floating pressing plates are fixed at an angle of being attached to the surface of a workpiece; the force which is pressed and fixedly output by the air cylinder can be adjusted by changing the air pressure, each pneumatic component can be controlled in a centralized way by the air valve, the operation is convenient, and the problem of workpiece clamping deformation under pressure is solved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the first floating fixture of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure of the positive and negative threaded lead screw and the connection structure thereof;
fig. 4 is a schematic structural view of a first floating fixture of the present invention;
fig. 5 is an exploded view of a first floating fixture of the present invention;
fig. 6 is a schematic structural view of a second floating fixture of the present invention;
fig. 7 is an exploded view of a second floating fixture of the present invention;
fig. 8 is a schematic view of the positioning plate and the connecting structure thereof.
In the figure: the device comprises a first floating clamp 1, a second floating clamp 2, a clamp bottom plate 3, a positioning plate 4, a machine tool workbench 5, a square tube 6, a universal pressing plate 7, a fisheye bearing 8, a floating pressing plate 9, a pressing plate guide pillar 10, a screw lead screw 11 with positive and negative threads, a clamping cylinder connecting rod 12, a clamp positioning block 13, a counterweight cylinder 14, a clamping cylinder 15, a clamp side plate 16, a locking cylinder 17, a locking cylinder connecting rod 18, a positive nut 19, a negative nut 20, a self-adaptive chuck 21 and an air tube bundling device 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a combined type full floating clamp as shown in figures 1-8, which comprises a plurality of groups of first floating clamps 1 and second floating clamps 2, wherein the first floating clamps 1 and the second floating clamps 2 are fixed on a machine tool workbench 5 through tools such as screws, T-shaped blocks and the like;
the first floating clamp 1 comprises a clamp bottom plate 3 which is arranged in a horizontal state, a plurality of groups of U-shaped openings for penetrating the outline of screws are formed in the edge of the clamp bottom plate 3, two parallel grooves are formed in the clamp bottom plate 3, clamp side plates 16 which are perpendicular to the clamp bottom plate 3 are arranged in the grooves, threaded holes are formed in the bottoms of the two groups of clamp side plates 16, the screws penetrate through the clamp bottom plate 3 and enter the threaded holes in the bottoms of the clamp side plates 16 to fix the two groups of clamp side plates 16 above the clamp bottom plate 3, and a clamping cylinder 15 is arranged between the two groups of clamp side plates 16;
two ends of the clamping cylinder 15 are respectively hinged with a group of clamping cylinder connecting rods 12, the other ends of the clamping cylinder connecting rods 12 are respectively connected with a fisheye bearing 8 through threads, the fisheye bearings 8 are respectively hinged with universal pressing plates 7, one group of universal pressing plates 7 are pressed on two groups of pressing plate guide pillars 10 inside the self-adaptive chuck 21, the outer sides of the two groups of pressing plate guide pillars 10 outside the self-adaptive chuck 21 are provided with a positive nut 19 and a negative nut 20, the other ends of the pressing plate guide pillars 10 are connected with a floating pressing plate 9 through the fisheye bearings 8, positive and negative thread lead screws 11 are arranged inside the positive nut 19 and the negative nut 20, two groups of threads on the positive and negative thread lead screws 11 are respectively matched with the positive nut 19 and the negative nut 20, one end of the positive and negative thread lead screws 11 is connected with a locking cylinder connecting rod 18, and the other end of the, the middle part of the locking cylinder connecting rod 18 is hinged with one end of the locking cylinder 17, the other end of the locking cylinder 17 is fixed on the adjacent clamp side plate 16 through screws, the two ends of the locking cylinder 17 are in a rotating connection relation, and the first floating clamp 1 plays a role in clamping and locking.
Specifically, the internal structure of the second floating fixture 2 refers to the internal structure of the first floating fixture 1, the second floating fixture 2 removes the positive and negative threaded screw rod 11 and the locking cylinder 17, the locking cylinder connecting rod 18, the positive nut 19 and the negative nut 20 connected with the positive and negative threaded screw rod 11 compared with the first floating fixture 1, and compared with the first floating fixture 1, the fixture positioning block 13 is added on the fixture side plate 16 on one side, the fixture positioning block 13 is fixed on the fixture side plate 16 through screws, the second floating fixture 2 fixes two sets of positioning plates 4 which are L-shaped and symmetrical to each other in outline on the other set of fixture side plate 16 through screws, and the second floating fixture 2 plays roles of clamping and positioning.
Specifically, a counterweight cylinder 14 is arranged on one side, away from a clamp side plate 16 of a locking cylinder 17, of the first floating clamp 1, the counterweight cylinder 14 is fixed on the adjacent clamp side plate 16 through a screw, the lower end of the counterweight cylinder 14 falls above the upper surface of the adjacent clamp bottom plate 3, and the counterweight cylinder 14 jacks up a workpiece to avoid the deformation of the workpiece due to the self-weight.
Specifically, first anchor clamps 1 that float are provided with eight groups, second anchor clamps 2 that float are provided with two sets ofly, first anchor clamps 1 that float and second anchor clamps 2 that float are the state of linear array and fix on the workstation of lathe, and first group second floats anchor clamps 2 one side and is two sets of first anchor clamps 1 that float, and the opposite side is three first anchor clamps 1 that float of group, and the both sides that second group second floated anchor clamps 2 are three first anchor clamps 1 that float of group.
Specifically, first unsteady anchor clamps 1 and the unsteady anchor clamps 2 top of second are provided with square pipe 6, and square pipe 6's bottom plane is pressed on counter weight cylinder 14 and anchor clamps locating piece 13, a set of lateral wall and the universal clamp plate 7 contact of square pipe 6, another set of lateral wall and the unsteady clamp plate 9 contact of square pipe 6, through unsteady clamp plate 9 and universal clamp plate 7 crimping square pipe 6.
Specifically, the air pipe bundling device 22 is fixed at one end of each of the clamp side plates 16 of the first floating clamp 1 and the second floating clamp 2 through screws, and air pipes are processed in a centralized manner to facilitate air circuit connection.
Specifically, this combination formula anchor clamps that float entirely, with square pipe 6 put into first unsteady anchor clamps 1 and the second 2 inside backs of unsteady anchor clamps, adjust the atmospheric pressure of counter weight cylinder 14, give way 6 and push down counter weight cylinder 14 to first unsteady anchor clamps 1 and the contact of second unsteady anchor clamps 2 make counter weight cylinder 14 bear the dead weight of 6 majority of square pipes. A clamping cylinder connecting rod 12 in a first floating clamp 1 is fixed on a clamp side plate 16 and forms a follow-up clamping device of a parallelogram structure with a clamping cylinder 15, a pressing plate guide pillar 10, a floating pressing plate 9 and a universal pressing plate 7, when the clamping cylinder 15 works, the pressing plates on two sides can clamp a square pipe 6, the clamped contact surface can be self-adaptive according to the surface of a workpiece, after the workpiece is clamped, a locking cylinder 17 is ejected out, a positive and negative thread lead screw 11 is pushed to rotate through a locking cylinder connecting rod 18, a positive nut 19 and a negative nut 20 are driven to clamp the pressing plate guide pillar 10 to lock the position of the pressing plate guide pillar 10, and the parallelogram structure becomes a unilateral pressure pressing workpiece.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a modular anchor clamps that float entirely, includes that a plurality of sets of first anchor clamps (1) and second float anchor clamps (2), its characterized in that: the first floating clamp (1) and the second floating clamp (2) are fixed on a machine tool workbench (5) through tools such as screws, T-shaped blocks and the like;
the first floating clamp (1) comprises a clamp bottom plate (3) which is arranged in a horizontal state, a plurality of groups of openings which are used for penetrating screws and have U-shaped outlines are formed in the edge of the clamp bottom plate (3), two parallel grooves are formed in the clamp bottom plate (3), clamp side plates (16) which are perpendicular to the clamp bottom plate (3) are arranged in the grooves, threaded holes are formed in the bottoms of the two groups of clamp side plates (16), the screws penetrate through the clamp bottom plate (3) and enter the threaded holes in the bottoms of the clamp side plates (16) to fix the two groups of clamp side plates (16) above the clamp bottom plate (3), and a clamping cylinder (15) is arranged between the two groups of clamp side plates (16);
two ends of the clamping cylinder (15) are respectively hinged with a group of clamping cylinder connecting rods (12), the other ends of the clamping cylinder connecting rods (12) are respectively connected with a fisheye bearing (8) through threads, the fisheye bearings (8) are respectively hinged with a universal pressing plate (7), one group of universal pressing plates (7) are pressed on two groups of pressing plate guide pillars (10) inside the self-adaptive chuck (21), the outer sides of the two groups of pressing plate guide pillars (10) outside the self-adaptive chuck (21) are provided with a pair of positive nuts (19) and negative nuts (20), the other ends of the pressing plate guide pillars (10) are connected with a floating pressing plate (9) through the fisheye bearings (8), positive and negative thread lead screws (11) are arranged inside the positive nuts (19) and the negative nuts (20), two groups of threads on the positive and negative thread lead screws (11) are respectively matched with the positive nuts (19) and the negative nuts (, the one end and the locking cylinder connecting rod (18) of positive and negative screw lead screw (11) are connected, the other end of locking cylinder connecting rod (18) is fixed on adjacent anchor clamps curb plate (16), locking cylinder connecting rod (18) middle part is articulated with the one end of locking cylinder (17), the other end of locking cylinder (17) passes through the screw fixation on adjacent anchor clamps curb plate (16), locking cylinder (17) both ends are the rotation connection relation.
2. The combined full floating clamp according to claim 1, wherein: the inner structure of the second floating clamp (2) refers to the inner structure of the first floating clamp (1), the second floating clamp (2) removes a positive and negative threaded screw rod (11) and a locking cylinder (17), a locking cylinder connecting rod (18), a positive nut (19) and a negative nut (20) which are connected with the positive and negative threaded screw rod (11) compared with the first floating clamp (1), and a clamp positioning block (13) is added on a clamp side plate (16) on one side compared with the first floating clamp (1), the clamp positioning block (13) is fixed on the clamp side plate (16) through screws, and the second floating clamp (2) and the other set of clamp side plate (16) are fixed through screws to form two sets of positioning plates (4) which are L-shaped and symmetrical to each other in outline.
3. The combined full floating clamp according to claim 1, wherein: a counterweight cylinder (14) is arranged on one side, away from a clamp side plate (16) of the locking cylinder (17), of the first floating clamp (1), the counterweight cylinder (14) is fixed on the adjacent clamp side plate (16) through screws, and the lower end of the counterweight cylinder (14) falls above the upper surface of the adjacent clamp bottom plate (3).
4. The combined full floating clamp according to claim 1, wherein: the floating fixture is characterized in that the first floating fixture (1) is provided with eight groups, the second floating fixture (2) is provided with two groups, the first floating fixture (1) and the second floating fixture (2) are fixed on a workbench of a machine tool in a linear array state, one side of the first group of second floating fixture (2) is provided with two groups of first floating fixtures (1), the other side of the first group of second floating fixture (2) is provided with three groups of first floating fixtures (1), and two sides of the second group of second floating fixture (2) are provided with three groups of first floating fixtures (1).
5. The combined full floating clamp according to claim 1, wherein: first anchor clamps (1) and the second anchor clamps that float (2) top is provided with square pipe (6), and the bottom plane of square pipe (6) is pressed on counter weight cylinder (14) and anchor clamps locating piece (13), a set of lateral wall and the contact of universal clamp plate (7) of square pipe (6), another set of lateral wall and the contact of unsteady clamp plate (9) of square pipe (6).
6. The combined full floating clamp according to claim 1, wherein: and one end of each clamp side plate (16) of the first floating clamp (1) and the second floating clamp (2) is fixed with an air pipe bundling device (22) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920834476.3U CN210160785U (en) | 2019-06-04 | 2019-06-04 | Combined type full-floating clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920834476.3U CN210160785U (en) | 2019-06-04 | 2019-06-04 | Combined type full-floating clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210160785U true CN210160785U (en) | 2020-03-20 |
Family
ID=70170685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920834476.3U Active CN210160785U (en) | 2019-06-04 | 2019-06-04 | Combined type full-floating clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210160785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052868A (en) * | 2019-06-04 | 2019-07-26 | 工正集团有限公司 | A kind of Combined all floating fixture |
-
2019
- 2019-06-04 CN CN201920834476.3U patent/CN210160785U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052868A (en) * | 2019-06-04 | 2019-07-26 | 工正集团有限公司 | A kind of Combined all floating fixture |
| CN110052868B (en) * | 2019-06-04 | 2024-04-26 | 温州工正智能设备有限公司 | Combined full-floating clamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206779953U (en) | A kind of machining fixture | |
| CN110052868B (en) | Combined full-floating clamp | |
| CN110480542B (en) | Overturning positioning supporting tool system | |
| CN205834809U (en) | A kind of mobile phone frame appearance processing jig | |
| CN210160785U (en) | Combined type full-floating clamp | |
| CN210024560U (en) | A anchor clamps equipment for digit control machine tool processing frame terminal surface | |
| CN206662766U (en) | Aerial blade fixture | |
| CN210849315U (en) | Workpiece self-positioning clamping device for numerical control milling machine | |
| CN205733955U (en) | A kind of Multifunction clamping tool for machine work | |
| CN201940827U (en) | Clamping tool for processing marine diesel connecting rod | |
| CN207309490U (en) | Horizontal milling machine oblique surface machining special fixture with stopper | |
| CN113305360B (en) | Flange production process | |
| CN214559160U (en) | Special self-positioning clamp for machining fixed inclined plane | |
| CN210188756U (en) | Quick clamping and positioning device for circular electrode | |
| WO2021088866A1 (en) | Machining fixture for cnc sheet workpiece | |
| CN211192982U (en) | Full-angle double-workbench clamp | |
| CN210937243U (en) | Sheet drilling tool clamp | |
| CN109551273B (en) | Indexable clamp for removing allowance of inner back arc of rough machining blade | |
| CN207873739U (en) | Positioning fixture is pushed up in a kind of multistation high-precision | |
| CN201736049U (en) | Pneumatic clamp | |
| CN219336590U (en) | Welding platform is used in sheet metal component processing | |
| CN217452998U (en) | Special clamp for machining upper die of bending machine | |
| CN211516765U (en) | Coaxial split center clamping device for machining large tee joint center hole | |
| CN219379902U (en) | Novel tool clamp for concave-shaped workpiece | |
| CN213969369U (en) | Clamp for tapping of numerical control machine tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |