CN113909957A - Efficient machining clamp - Google Patents
Efficient machining clamp Download PDFInfo
- Publication number
- CN113909957A CN113909957A CN202111186137.7A CN202111186137A CN113909957A CN 113909957 A CN113909957 A CN 113909957A CN 202111186137 A CN202111186137 A CN 202111186137A CN 113909957 A CN113909957 A CN 113909957A
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- clamping
- plate
- rod
- transverse
- wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
Abstract
The invention provides an efficient machining clamp which comprises a base plate, a plurality of bottom plates, transverse positioning blocks, longitudinal positioning blocks, clamping components and a driving device. Wherein a plurality of bottom plates are arranged on the base plate, and the transverse positioning blocks and the longitudinal positioning blocks are fixed on the bottom plates so as to position the outer side surfaces of the third wall plates. The clamping component is connected with the bottom plate, located between the transverse locating blocks and used for penetrating into the workpiece to locate the inner side wall of the workpiece, and the clamping component is provided with a butt joint rod penetrating through the bottom plate. The driving device comprises a driving piece and a connecting frame, the connecting frame is arranged on the base plate in a sliding mode, the driving piece is arranged on the connecting frame, the driving piece is connected with the butt joint rod, and the connecting frame slides to be connected with the butt joint rod on the switching driving piece and different bottom plates. The efficient machining clamp is provided with the driving device in a sliding mode, so that one driving device can drive the clamping components on the base plates to clamp a plurality of workpieces at one time, efficiency is improved, and cost is reduced.
Description
Technical Field
The invention relates to the field of machining clamps, in particular to an efficient machining clamp.
Background
A machining fixture is a device used on a machine tool to clamp a workpiece and guide a tool. Which is a jig specially designed for a certain process of a certain workpiece. The device has the characteristics of compact structure, rapid, convenient and labor-saving operation, capability of ensuring higher processing precision and production efficiency, longer design and manufacturing period and higher manufacturing cost, and is mainly suitable for fixed and large-batch production of products. Which is used to determine the correct position of the workpiece in the holder and thus to ensure a correct relative position of the workpiece during machining with respect to the tool and the machining movement of the machine tool. When the clamp in the prior art is used, one workpiece is assembled by one clamp, namely, one workpiece is correspondingly machined, and the machining efficiency is low.
It is therefore desirable to provide an efficient machining fixture to solve the above problems.
Disclosure of Invention
The invention provides an efficient machining clamp, which aims to solve the problem of low efficiency caused by the fact that one clamp is assembled with one workpiece, namely, one workpiece is correspondingly machined in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides an efficient machining anchor clamps for it is fixed to carry out the centre gripping to the work piece, the work piece is hollow tubular structure, including first wallboard and the second wallboard of subtend setting and two third wallboards of subtend setting, the surface of first wallboard is the machined surface, it is provided with the fluting to run through on the second wallboard, efficient machining anchor clamps include:
a base plate;
the bottom plates are detachably and fixedly arranged on the base plate;
the transverse positioning blocks are detachably fixed on the bottom plate, and the outer sides of the two third wall plates are respectively provided with the transverse positioning blocks;
the longitudinal positioning blocks are detachably fixed on the bottom plate, and the longitudinal positioning blocks are arranged at two ends of each of the two third wall plates;
the clamping component is connected with the bottom plate, positioned between the transverse positioning blocks and used for penetrating into the groove to position the inner side wall of the workpiece, and provided with a butt joint rod penetrating through the bottom plate;
the driving device comprises a driving piece and a connecting frame, the connecting frame is arranged on the base plate in a sliding mode, the driving piece is arranged on the connecting frame, the driving piece is connected with the butt joint rod and used for driving the clamping component to clamp or loosen a workpiece, and the driving piece is switched to be connected with the butt joint rods on different bottom plates through sliding of the connecting frame.
In the invention, the driving piece is connected with the butt joint rod through a connecting plate, and one connecting plate is connected with a plurality of clamping components;
the bottom plate bottom is provided with a plurality of cushion blocks, be provided with the restriction groove on the cushion block, the connecting plate runs through a plurality of restriction groove and with the inner wall sliding contact in restriction groove.
Wherein, be provided with the spread groove on the connecting plate, the butt joint pole includes the main part section and connects the screw rod section of main part section one end, the radial dimension of main part section is greater than the width of spread groove, the screw rod section extends in the spread groove, just connect nut on the screw rod section, in order to incite somebody to action the butt joint pole locking is in on the connecting plate.
Furthermore, a through clamping groove is formed in the connecting plate, the driving piece is an air cylinder, a clamping piece matched with the clamping groove is arranged on a telescopic rod of the air cylinder, and the clamping piece is clamped into the clamping groove along with the sliding of the connecting frame;
a second elastic piece is arranged between the connecting plate and the bottom wall of the connecting groove to press the connecting plate to be close to the bottom plate, so that the clamping component is kept in a loose state
In the invention, the base plate is provided with the linear motor, and the connecting frame is connected with the rotor of the linear motor.
Further, the link includes plate body, movable block and gyro wheel, the plate body with linear electric motor's active cell is connected, the movable block runs through and sliding connection is in on the plate body, the gyro wheel sets up the bottom of movable block, the gyro wheel with base plate rolling contact, the driving piece sets up the top of movable block, the movable block pass through the screw with the plate body is fixed.
In the invention, the driving piece is an air cylinder, the clamping assembly comprises a vertical clamping assembly, and the vertical clamping assembly comprises a connecting rod, a driving ring and a vertical clamping rod;
the connecting rod is rotatably connected with a telescopic rod of the air cylinder, the rotating axis of the connecting rod is consistent with the axial direction of the connecting rod, the vertical clamping rod is connected with one end of the connecting rod, which is far away from the air cylinder, an arc-shaped groove is formed in the side surface of the connecting rod, the driving ring is sleeved outside the connecting rod and fixedly connected with the bottom plate, a convex block matched with the arc-shaped groove is arranged on the inner side of the driving ring, and the convex block drives the connecting rod to rotate when the connecting rod stretches and retracts through the matching of the convex block and the arc-shaped groove;
the connecting rod comprises a clamping position for clamping the second wall plate and a releasing position far away from the second wall plate along the telescopic track of the cylinder, and the vertical clamping rod comprises a working position and an escape position along the rotating track of the connecting rod;
when the connecting rod is located when the clamping position, the vertical clamping rod is located at the working position, two ends of the vertical clamping rod are opposite to the inner wall of the second wallboard, and when the connecting rod is located when the releasing position, the vertical clamping rod is located at the avoiding position, and the vertical clamping rod is opposite to the groove.
The arc-shaped groove is provided with a straight groove at one end close to the vertical clamping rod, the extension direction of the straight groove is consistent with the axial direction of the connecting rod, and when the connecting rod is positioned for clamping and fixing, the convex block is positioned in the straight groove.
In addition, the vertical clamping assembly further comprises transverse extending pieces, the transverse extending pieces are of hollow structures, the two transverse extending pieces are sleeved at two ends of the vertical clamping rod in a sliding mode, the sliding direction of the transverse extending pieces is obliquely arranged relative to the third wall plate, the transverse extending pieces comprise displacement components perpendicular to the third wall plate and displacement components perpendicular to the second wall plate, and the transverse extending pieces comprise an initial position and a pressing position on a sliding track;
when the transverse extending piece is located at the initial position, the bottom end of the transverse extending piece protrudes out of the bottom surface of the vertical clamping rod, and the transverse extending piece and the third wall plate are separated by a set distance;
when the lateral extension piece is located the extrusion position, the bottom end of lateral extension piece is parallel and level in the bottom surface of vertical clamping bar, just the lateral extension piece with the third wall panel contact.
In the invention, the clamping component also comprises a transverse clamping component, and the transverse clamping component comprises a linkage rod, a transverse clamping block and a supporting block;
the supporting block is arranged on the bottom plate, the top of the supporting block is provided with one transverse clamping block in a sliding manner, the linkage rod is sleeved on the periphery of the connecting rod in a sliding manner, the transverse clamping block is provided with a first pressed inclined plane, and when the connecting rod is positioned in the clamping position, the linkage rod is extruded by the vertical clamping rod, so that the linkage rod extrudes the two transverse clamping blocks on the supporting block to be in sliding contact with the inner wall surfaces of the two third wall plates respectively;
the sliding tracks of the two transverse clamping blocks at the top of the supporting block are arranged in a staggered mode, the transverse clamping component further comprises a first elastic piece, the first elastic piece is connected between the two transverse clamping blocks, the elastic force direction of the first elastic piece is consistent with the sliding track of the transverse sliding block, and the first elastic piece is used for enabling the transverse clamping blocks to be far away from the third wall plate.
Compared with the prior art, the invention has the beneficial effects that: according to the efficient machining clamp, the connecting frame is arranged on the base plate in a sliding mode, the driving piece is arranged on the connecting frame, so that one driving device can drive the clamping components on the base plates to clamp a plurality of workpieces at one time, efficiency is improved, and cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding to some embodiments of the present invention.
Fig. 1 is a schematic structural view of a high-efficiency machining jig and a workpiece according to the present invention.
Figure 2 is a schematic diagram of the vertical clamping assembly of the efficient machining fixture of the present invention.
Figure 3 is a schematic view of the laterally extending member of the efficient machining fixture of the present invention in an initial position.
Figure 4 is a schematic view of the laterally extending member of the efficient machining fixture of the present invention in the pressing position.
Figure 5 is a partial view of the lateral clamping assembly of the efficient machining fixture of the present invention.
Figure 6 is a schematic diagram of the efficient machining fixture of the present invention connecting clamping assemblies through a web.
Fig. 7 is a schematic view of the cartridge of the efficient machining fixture of the present invention in a staggered position.
Fig. 8 is a schematic view of the fixture of the efficient machining jig of the present invention in a fixture-retained position.
Fig. 9 is a schematic view of the multiple base plates and the driving means of the efficient machining jig of the present invention.
Fig. 10 is a schematic structural view of a clamping member and a clamping groove of the efficient machining fixture of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom" are used only with reference to the orientation of the drawings, and the directional terms are used for illustration and understanding of the present invention, and are not intended to limit the present invention.
The terms "first," "second," and the like in the terms of the invention are used for descriptive purposes only and not for purposes of indication or implication relative importance, nor as a limitation on the order of precedence.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., the connection may be a detachable connection or a connection in a unitary structure; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The clamp in the prior art is generally assembled with one workpiece, and the machining efficiency is low. Meanwhile, for a workpiece with a groove on one side, the side plates on two sides of the groove have certain deformation capacity, so that the clamp in the prior art cannot efficiently and stably position and clamp the workpiece.
The following is an embodiment of the present invention that provides an efficient machining jig capable of solving the above technical problems.
Referring to fig. 1, fig. 2 and fig. 5, fig. 1 is a schematic structural diagram of a high-efficiency machining fixture and a workpiece according to the present invention. Figure 2 is a schematic diagram of the vertical clamping assembly of the efficient machining fixture of the present invention. Figure 5 is a partial view of the lateral clamping assembly of the efficient machining fixture of the present invention.
In the drawings, elements having similar structures are denoted by the same reference numerals.
The invention provides an efficient machining clamp which is used for clamping and fixing a workpiece 12, wherein the workpiece 12 is of a hollow tubular structure and comprises a first wall plate 121, a second wall plate 122 and two third wall plates 123, wherein the first wall plate 121 and the second wall plate 122 are oppositely arranged, the two third wall plates 123 are oppositely arranged, the outer surface of the first wall plate 121 is a machined surface, such as operations of punching, groove milling and the like, the second wall plate 122 is provided with a groove 124 in a penetrating mode, and the outer side surface of each third wall plate 123 always has machining requirements.
The efficient machining fixture of the present embodiment includes a base plate 11, a lateral positioning block 13, a longitudinal positioning block 14, a clamping assembly, and a driving member 16.
Wherein, horizontal locating piece 13 is detachable to be fixed on bottom plate 11, and two third wallboard 123 outsides all are provided with horizontal locating piece 13.
The longitudinal positioning blocks 14 are detachably fixed on the bottom plate 11, the longitudinal positioning blocks 14 are arranged at two ends of each of the two third wall plates 123, and the longitudinal positioning blocks 14 and the transverse positioning blocks 13 can be connected with the bottom plate 11 through screws so as to position four sides of the workpiece 12.
The clamping assembly is connected to the base plate 11 between the lateral positioning blocks 13 for passing through the slot 124 to position the inner side wall of the workpiece 12.
The driving member 16 is disposed on a side of the base plate 11 away from the clamping assembly, and penetrates through the base plate 11 to connect with the clamping assembly for driving the clamping assembly to clamp or release the workpiece 12.
Specifically, referring to fig. 2, in the present embodiment, the driving member 16 is a cylinder, and the clamping assembly includes a vertical clamping assembly including a connecting rod 154, a driving ring 155, and a vertical clamping rod 151. The cylinder barrel of the cylinder is located at the bottom of the bottom plate 11, the telescopic rod 161 of the cylinder penetrates through the bottom plate 11 and is connected with the connecting rod 154, and the connecting rod 154 and the vertical clamping rod 151 are located in a space defined by the longitudinal positioning block 14 and the transverse positioning block 13.
The track of the connecting rod 154 extending and retracting along with the cylinder includes a clamping position for clamping the second wall plate 122 and a releasing position away from the second wall plate 122, and the track of the vertical clamping rod 151 rotating along with the connecting rod 154 includes a working position and an escape position.
When the connecting rod 154 is located at the clamping position, the vertical clamping rod 151 is located at the working position, two ends of the vertical clamping rod 151 are opposite to the inner wall of the second wall plate 122, that is, the length side of the vertical clamping rod 151 is crossed with the length side of the slot 124 at this time, so that the vertical clamping rod 151 presses the second wall plate 122, when the connecting rod 154 is located at the releasing position, the vertical clamping rod 151 is located at the avoiding position, the vertical clamping rod 151 is opposite to the slot 124, that is, the length side of the vertical clamping rod 151 is parallel to the length side of the slot 124 at this time, so that when the workpiece 121 is installed in the space defined by the longitudinal positioning block 14 and the transverse positioning block 13, the vertical clamping rod 151 can conveniently extend to the inner side of the workpiece 12.
It can be understood that the clamping state and the releasing state of the connecting rod 154 correspond to 90 degrees of rotation, and the rotation of the connecting rod 154 is automatically completed in the process of clamping or releasing the second wall plate 122 by the vertical clamping rod 151, so that the efficiency is high and the cost is low.
Wherein, the one end that the arc groove 1541 is close to vertical clamping bar 151 is provided with straight strip groove 1542, and the extending direction of straight strip groove 1542 is unanimous with the axial direction of connecting rod 154, and when connecting rod 154 was located and presss from both sides the maintenance, the lug was located straight strip groove 1542 for when vertical clamping bar 151 clamping second wallboard 122, vertical clamping bar 151 can not take place the rotation again, avoids wearing and tearing.
Referring to fig. 3 and 4, the vertical clamping assembly of the present embodiment further includes a horizontal extension member 158, the horizontal extension member 158 is a hollow structure, two horizontal extension members 158 are slidably sleeved at two ends of the vertical clamping bar 151, a sliding direction of the horizontal extension member 158 is inclined with respect to the third wall plate 123, sliding grooves 1511 are disposed at two sides of the vertical clamping bar 151, a matching block 1581 for slidably connecting with the sliding grooves 1511 is fixedly disposed on an inner wall surface of the horizontal extension member 158, the horizontal extension member 158 includes a displacement component perpendicular to the third wall plate 123 and a displacement component perpendicular to the second wall plate 122, and the horizontal extension member 158 includes an initial position and a pressing position on a sliding track.
When the lateral extension 158 is in the initial position, as shown in FIG. 3, the bottom end of the lateral extension 158 protrudes above the bottom surface of the vertical clamping bar 151 and the lateral extension 158 is a set distance from the third wall 123.
When the laterally extending member 158 is in the pressing position, the bottom end of the laterally extending member 158 is flush with the bottom surface of the vertical clamping bar 151, and the laterally extending member 158 contacts the third wall plate 123.
Therefore, in the process that the connecting rod 154 slides to the clamping position, the second wall plate 122 and the transverse extending piece 158 are extruded, so that the transverse extending piece 158 can slide, and then the third wall plates 123 on two sides can be further contacted to support the transverse extending piece 158, so that the processing stability is improved, and the processing precision is improved.
Referring to fig. 1 and 5, in the present embodiment, the clamping assembly further includes a lateral clamping assembly, which includes a linkage rod 153, a lateral clamping block 152, and a supporting block 156.
The supporting block 156 is arranged on the bottom plate 11, the top of the supporting block 156 is provided with two transverse clamping blocks 152 in a sliding manner, the linkage rod 153 is sleeved on the periphery of the connecting rod 154 in a sliding manner, a first pressed inclined surface 1521 used for being extruded by the linkage rod 153 is arranged on the transverse clamping block 152, when the connecting rod 154 is located in a clamping position, the linkage rod 153 is extruded by the vertical clamping rod 151, then the linkage rod 153 is enabled to extrude the two transverse clamping blocks 152 on the supporting block 156 to slide away from each other, then the two transverse clamping blocks are respectively contacted with the inner wall surfaces of the two third wall plates 123 to support the inner wall surfaces, the stability during processing is improved, and the processing precision is improved.
It can be understood that, as shown in fig. 5, some reinforcing structures can be designed on the linkage rod 153 to improve the strength of the linkage rod 153 and ensure the pressure on the transverse clamping blocks 152.
In this embodiment, a plurality of vertical clamping assemblies are disposed on the bottom plate 11, and a transverse clamping assembly is disposed between adjacent vertical clamping assemblies.
Furthermore, the sliding tracks of the two transverse clamping blocks 152 at the top of the supporting block 156 are arranged in a staggered manner, the transverse clamping assembly further comprises a first elastic member 157, the first elastic member 157 is connected between the two transverse clamping blocks 152, and the elastic force direction of the first elastic member 157 is consistent with the sliding track of the transverse sliding block, so that the transverse clamping blocks 152 are far away from the third wall plate 123, and the transverse clamping blocks 152 can smoothly pass through the slots 124 when the workpiece 12 is installed.
Specifically, the accommodating groove 1522 may be provided on a side surface of one lateral clamp block 152, the extending plate 1523 may be provided on a side surface of the other lateral clamp block 152, and the first elastic member 157 may be located between the extending plate 1523 and an inner wall surface of the accommodating groove 1522.
Referring to fig. 1, 7 and 8, in the present embodiment, the longitudinally-positioning block 14 is movably provided with a latch 141, and the latch 141 includes an offset position offset from the workpiece 12 on the moving track and a latch fixing portion extending to be latched to contact with an inner wall of the workpiece 12.
The fixture block 141 is rotatably embedded in the longitudinal positioning block 14, the fixture block 141 rotates around the rotating shaft 1413, the rotating axis of the fixture block 141 is perpendicular to the third wall plate 123, one end of the fixture block 141 close to the bottom plate 11 is provided with a second pressed inclined surface 1411 for receiving the extrusion of the workpiece 12, one end of the fixture block 141 far away from the bottom plate 11 is an end portion 1412 for contacting with the inner wall surface of the third wall plate 123, when the workpiece 12 is mounted in a space surrounded by the longitudinal positioning block 14 and the transverse positioning block 13, the workpiece 12 can gradually extrude the second pressed inclined surface 1411, so that the fixture block 141 rotates to a clamping position from a staggered position, the fixture block 141 contacts with the inner side surface of the third wall plate 123, and therefore, the third wall plate 123 is supported, the processing stability is improved, and the processing accuracy is improved.
It can be understood that a torsion spring may be disposed on the rotating shaft 1413, two ends of the torsion spring are respectively connected to the longitudinal positioning block 14 and the latch 141, and the elastic force of the torsion spring can keep the latch 141 at the staggered position, thereby facilitating the positioning and installation of the workpiece 12.
The clamp in the prior art is generally provided with one workpiece 12, and then one workpiece 12 is correspondingly processed, so that the processing efficiency is low, the number of driving parts of the clamp is large, and the cost is high.
In addition, in the embodiment, the plurality of bottom plates 11 are arranged on the base plate 25, and the movable driving device is arranged at the same time, so that one driving device can drive the clamping components on the plurality of bottom plates 11 to clamp a plurality of workpieces 12 at one time, thereby improving the efficiency and reducing the cost.
Specifically, the clamping assembly is connected with the butt joint rod 22, the driving device comprises a driving piece 16 and a connecting frame, the connecting frame is arranged on the base plate 25 in a sliding mode, the driving piece 16 is arranged on the connecting frame, the driving piece 16 is connected with the butt joint rod 22 and used for driving the clamping assembly to clamp or loosen the workpiece 12, the connecting frame slides to switch the connection between the driving piece 16 and the butt joint rods 22 on different base plates 11, a cutter of the machine tool can process a set workpiece, and the driving device can correspondingly slide to the lower portion of the workpiece to drive the clamping assembly of the workpiece to work in a targeted mode.
Referring to fig. 6, in the present embodiment, the driving member 16 can be connected to the clamping assemblies through the connecting plate 21, at this time, the telescopic rod 161 of the driving member 16 is connected to the connecting plate 21, and one connecting plate 21 is connected to a plurality of clamping assemblies, so that fewer driving members 16 can be used to drive more clamping assemblies, and the present embodiment has high efficiency and low cost.
Wherein, bottom plate 11 bottom is provided with a plurality of cushions 23, is provided with restriction groove 231 on the cushion 23, and connecting plate 21 runs through a plurality of restriction grooves 231 and with the inner wall sliding contact of restriction groove 231, improves the gliding stability of connecting plate 21.
Further, be provided with the connecting groove 211 on the connecting plate 21, it is provided with the butt joint pole 22 that is used for being connected with the clamping subassembly to slide in the connecting groove 211, the butt joint pole includes the main part section and connects the screw rod section in main part section one end, the radial dimension of main part section is greater than the width of connecting groove, the screw rod section extends in connecting groove 211, coupling nut 221 on the screw rod section to with butt joint pole 22 locking on connecting plate 21, through setting up connecting groove 211, make the position setting of clamping subassembly more nimble.
Referring to fig. 10, a through slot 212 is disposed on the connecting plate 21, the driving member 16 is an air cylinder, a clamping member 162 matched with the slot 212 is disposed on the telescopic rod 161 of the air cylinder, and the clamping member 162 is clamped into the slot 212 along with the sliding of the connecting frame.
A second elastic member 24 is disposed between the connecting plate 21 and the bottom wall of the connecting groove 211 to press the connecting plate 21 close to the bottom plate 11, so that the clamping assembly is kept in a loose state, and the workpiece 12 is convenient to mount.
Wherein, can set up linear electric motor 26 on base plate 25, the link is connected with linear electric motor 26's active cell 261, slides through linear electric motor 26 drive link to realize drive arrangement to the drive control of the clamping subassembly on the different bottom plates 11, linear electric motor does not have prior art, and the here is not repeated.
Referring to fig. 9 (wherein, in fig. 9, in order to show the movable block 28, the driving member 16 and the movable block 28 are in a separated state), the connection frame in this embodiment includes a plate body 27, a movable block 28 and rollers, the plate body 27 is connected to a mover 261 of the linear motor 26, the movable block 28 penetrates and is slidably connected to the plate body 27, a movable groove 271 is disposed on the plate body 27, the movable block 28 is connected to the movable groove 271, the movable block 28 can slide in the movable groove 271 to adjust the position, so that the driving member 16 can be adapted to the slots 212 at more positions, the rollers are disposed at the bottom of the movable block 28, the rollers are in rolling contact with the base plate 25, the driving member 16 is disposed at the top of the movable block 28, and the rollers support the movable block 28, so that the driving force of the driving member 16 to the connection plate 21 is stronger and more stable, and the movable block 28 is fixed to the plate body 27 through screws.
The working principle of the invention is as follows: because the workpiece 12 is provided with the slot 124, an external force can be applied to position and mount the workpiece 12 in the space enclosed by the longitudinal positioning block 14 and the transverse positioning block 13, when the workpiece 12 is mounted, the connecting rod 154 is located at the release position, the vertical clamping rod 151 is located at the escape position, the length side of the vertical clamping rod 151 is parallel to the length side of the slot 124, and meanwhile, the fixture block 141 is located at the dislocation position.
In the installation process, the vertical clamping rod 151 enters the inner side of the workpiece 12 through the slot 124, and meanwhile, the workpiece 12 gradually extrudes the second pressed inclined surface 1411, so that the clamping block 141 rotates to the clamping position from the staggered position, the clamping block 141 contacts with the inner side surface of the third wall plate 123, and the third wall plate 123 is supported.
Then, the driving member 16 is operated to control the connecting rod 154 to move to the clamping position, and at the same time, due to the engagement of the projection on the driving ring 155 and the arc-shaped groove 1541, the connecting rod 154 drives the vertical clamping rod 151 to rotate to the operating position, and the vertical clamping rod 151 clamps the second wall plate 122. In the process, the second wall plate 122 presses the lateral extension member 158 to slide, and the lateral extension member 158 can further contact and support the third wall plates 123 on both sides. Meanwhile, the vertical clamping rod 151 presses the linkage rod 153, so that the linkage rod 153 presses the two transverse clamping blocks 152 on the supporting block 156 to slide away from each other, and then the two transverse clamping blocks are respectively in contact with the inner wall surfaces of the two third wall plates 123 to support the third wall plates from the inner sides.
Thus, the process of clamping and fixing the workpiece by the efficient machining clamp of the embodiment is completed.
The efficient machining clamp of this embodiment uses driving piece control clamping subassembly to carry out the support of vertical and transverse direction from the inboard to the work piece for stability when processing is high, and the drive is high-efficient, and can improve the machining precision.
In addition, the connecting frame is arranged on the base plate in a sliding mode, and the driving piece is arranged on the connecting frame, so that one driving device can drive the clamping components on the base plates to clamp a plurality of workpieces at one time, the efficiency is improved, and the cost is reduced.
In summary, although the present invention has been described with reference to the above embodiments, the above embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. The utility model provides an efficient machining anchor clamps for it is fixed to carry out the centre gripping to the work piece, the work piece is hollow tubular structure, including first wallboard and the second wallboard of subtend setting and two third wallboards of subtend setting, the surface of first wallboard is the machined surface, it is provided with the fluting to run through on the second wallboard, efficient machining anchor clamps include:
a base plate;
the bottom plates are detachably and fixedly arranged on the base plate;
the transverse positioning blocks are detachably fixed on the bottom plate, and the outer sides of the two third wall plates are respectively provided with the transverse positioning blocks;
the longitudinal positioning blocks are detachably fixed on the bottom plate, and the longitudinal positioning blocks are arranged at two ends of each of the two third wall plates;
the clamping component is connected with the bottom plate, positioned between the transverse positioning blocks and used for penetrating into the groove to position the inner side wall of the workpiece, and provided with a butt joint rod penetrating through the bottom plate;
the driving device comprises a driving piece and a connecting frame, the connecting frame is arranged on the base plate in a sliding mode, the driving piece is arranged on the connecting frame, the driving piece is connected with the butt joint rod and used for driving the clamping component to clamp or loosen a workpiece, and the driving piece is switched to be connected with the butt joint rods on different bottom plates through sliding of the connecting frame.
2. A high efficiency machining fixture according to claim 1, wherein said drive member is connected to said docking rod by a connection plate, one said connection plate connecting a plurality of said clamping assemblies;
the bottom plate bottom is provided with a plurality of cushion blocks, be provided with the restriction groove on the cushion block, the connecting plate runs through a plurality of restriction groove and with the inner wall sliding contact in restriction groove.
3. The efficient machining fixture of claim 2, wherein the connecting plate is provided with a connecting groove, the docking rod comprises a main body section and a screw section connected to one end of the main body section, the main body section has a radial dimension larger than a width of the connecting groove, the screw section extends into the connecting groove, and a nut is connected to the screw section to lock the docking rod to the connecting plate.
4. The efficient machining clamp according to claim 3, wherein a through clamping groove is formed in the connecting plate, the driving piece is an air cylinder, a clamping piece matched with the clamping groove is arranged on a telescopic rod of the air cylinder, and the clamping piece is clamped into the clamping groove along with sliding of the connecting frame;
and a second elastic piece is arranged between the connecting plate and the bottom wall of the connecting groove to press the connecting plate to be close to the bottom plate, so that the clamping assembly is kept in a loose state.
5. A high efficiency machining fixture according to claim 1, wherein a linear motor is provided on the base plate, and the link frame is connected to a mover of the linear motor.
6. The efficient machining fixture according to claim 4, wherein the connecting frame comprises a plate body, a movable block and a roller, the plate body is connected with a rotor of the linear motor, the movable block penetrates through the plate body and is slidably connected to the plate body, the roller is arranged at the bottom of the movable block, the roller is in rolling contact with the base plate, the driving member is arranged at the top of the movable block, and the movable block is fixed to the plate body through a screw.
7. The efficient machining fixture of claim 1, wherein the driving member is a cylinder, the clamping assembly includes a vertical clamping assembly including a connecting rod, a driving ring, and a vertical clamping bar;
the connecting rod is rotatably connected with a telescopic rod of the air cylinder, the rotating axis of the connecting rod is consistent with the axial direction of the connecting rod, the vertical clamping rod is connected with one end of the connecting rod, which is far away from the air cylinder, an arc-shaped groove is formed in the side surface of the connecting rod, the driving ring is sleeved outside the connecting rod and fixedly connected with the bottom plate, a convex block matched with the arc-shaped groove is arranged on the inner side of the driving ring, and the convex block drives the connecting rod to rotate when the connecting rod stretches and retracts through the matching of the convex block and the arc-shaped groove;
the connecting rod comprises a clamping position for clamping the second wall plate and a releasing position far away from the second wall plate along the telescopic track of the cylinder, and the vertical clamping rod comprises a working position and an escape position along the rotating track of the connecting rod;
when the connecting rod is located when the clamping position, the vertical clamping rod is located at the working position, two ends of the vertical clamping rod are opposite to the inner wall of the second wallboard, and when the connecting rod is located when the releasing position, the vertical clamping rod is located at the avoiding position, and the vertical clamping rod is opposite to the groove.
8. A high efficiency machining fixture according to claim 7, wherein the arc-shaped slot is provided with a straight slot at an end thereof near the vertical clamping bar, the straight slot extending in the same direction as the axial direction of the connecting rod, and the protrusion is located in the straight slot when the connecting rod is in the clamping position.
9. The efficient machining fixture of claim 7, wherein the vertical clamping assembly further comprises a lateral extension member, the lateral extension member is a hollow structure, two of the lateral extension members are slidably sleeved at two ends of the vertical clamping bar, the sliding direction of the lateral extension member is obliquely arranged compared with the third wall plate, the lateral extension member comprises a displacement component perpendicular to the third wall plate and a displacement component perpendicular to the second wall plate, and the lateral extension member comprises an initial position and a pressing position on a sliding track;
when the transverse extending piece is located at the initial position, the bottom end of the transverse extending piece protrudes out of the bottom surface of the vertical clamping rod, and the transverse extending piece and the third wall plate are separated by a set distance;
when the lateral extension piece is located the extrusion position, the bottom end of lateral extension piece is parallel and level in the bottom surface of vertical clamping bar, just the lateral extension piece with the third wall panel contact.
10. The efficient machining fixture of claim 7, wherein the clamping assembly further comprises a lateral clamping assembly comprising a linkage bar, a lateral clamp block, and a support block;
the supporting block is arranged on the bottom plate, the top of the supporting block is provided with two transverse clamping blocks in a sliding manner, the linkage rod is sleeved on the periphery of the connecting rod in a sliding manner, the transverse clamping blocks are provided with first pressed inclined planes, and when the connecting rod is positioned in the clamping position, the linkage rod is extruded by the vertical clamping rods, so that the linkage rod extrudes the two transverse clamping blocks on the supporting block to be in sliding contact with the inner wall surfaces of the two third wall plates respectively;
the sliding tracks of the two transverse clamping blocks at the top of the supporting block are arranged in a staggered mode, the transverse clamping component further comprises a first elastic piece, the first elastic piece is connected between the two transverse clamping blocks, the elastic force direction of the first elastic piece is consistent with the sliding track of the transverse sliding block, and the first elastic piece is used for enabling the transverse clamping blocks to be far away from the third wall plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111186137.7A CN113909957B (en) | 2021-10-12 | 2021-10-12 | Efficient machining clamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111186137.7A CN113909957B (en) | 2021-10-12 | 2021-10-12 | Efficient machining clamp |
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| CN113909957A true CN113909957A (en) | 2022-01-11 |
| CN113909957B CN113909957B (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001113433A (en) * | 1999-10-15 | 2001-04-24 | Honda Motor Co Ltd | Clamp device |
| US20040046299A1 (en) * | 2002-09-10 | 2004-03-11 | Univer S . P . A. | Clamping device with manual control lever |
| US20080041202A1 (en) * | 2007-08-01 | 2008-02-21 | Kama Gmbh | Tool carrier device and apparatus for processing flat blanks |
| CN105269356A (en) * | 2015-10-27 | 2016-01-27 | 芜湖市泰能电热器具有限公司 | Fixture for milling end faces of workpieces in batches |
| CN214162748U (en) * | 2020-12-28 | 2021-09-10 | 河北省科学院应用数学研究所 | Flat steel clamping device |
-
2021
- 2021-10-12 CN CN202111186137.7A patent/CN113909957B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001113433A (en) * | 1999-10-15 | 2001-04-24 | Honda Motor Co Ltd | Clamp device |
| US20040046299A1 (en) * | 2002-09-10 | 2004-03-11 | Univer S . P . A. | Clamping device with manual control lever |
| US20080041202A1 (en) * | 2007-08-01 | 2008-02-21 | Kama Gmbh | Tool carrier device and apparatus for processing flat blanks |
| CN105269356A (en) * | 2015-10-27 | 2016-01-27 | 芜湖市泰能电热器具有限公司 | Fixture for milling end faces of workpieces in batches |
| CN214162748U (en) * | 2020-12-28 | 2021-09-10 | 河北省科学院应用数学研究所 | Flat steel clamping device |
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| CN113909957B (en) | 2022-12-13 |
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