CN216326760U - Two-sided machining anchor clamps and use its machine tool - Google Patents

Abstract

The utility model relates to the technical field of clamps, in particular to a double-sided machining clamp and a machining tool using the same, wherein the double-sided machining clamp comprises a workbench; a base rotatably arranged on the workbench through a rotating shaft; a support movably disposed on the base; the processing plate is arranged on the pillar and is provided with processing holes, so that the processing device can process workpieces on two sides of the processing plate; the machining plate is provided with a clamping device for clamping a workpiece, and the first oil delivery channel and the second oil delivery channel are communicated with the clamping device, so that when the oil delivery device discharges or withdraws hydraulic oil from the first oil delivery channel or the second oil delivery channel, the clamping device clamps or releases the workpiece. The oil passages of the first oil conveying channel and the second oil conveying channel are arranged inside the processing plate and are not exposed outside, the installation volume is smaller, and the damage to the oil passages is avoided.

Description

Two-sided machining anchor clamps and use its machine tool

Technical Field

The utility model relates to the technical field of clamps, in particular to a double-sided machining clamp and a machining machine tool using the same.

Background

The clamp can be used for clamping a workpiece needing to be machined, the workpiece is prevented from moving randomly, and the clamp is widely used in the machining field. The existing clamp is mostly driven by oil pressure or air pressure, when the oil cylinder is used for driving, an oil pipe of the clamp is mostly arranged outside, namely, an external oil way mode is used for supplying or discharging oil to the hydraulic oil cylinder, but the oil way is easily collided by a workpiece or other objects when being arranged outside to damage the oil pipe, so that the hydraulic oil cylinder cannot supply oil continuously, the reliability of the oil cylinder for supplying the oil externally is relatively poor, and the service life is reduced. In addition, the adoption of an external oil circuit can increase the installation volume of the device.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a double-sided machining clamp, and aims to solve the technical problems that an existing clamp is externally arranged, an oil pipe is easy to damage, and the size of the existing clamp is large.

In order to achieve the above object, the present invention provides a double-sided processing jig, comprising: a work table;

the base is rotatably arranged on the workbench through a rotating shaft;

a support column movably disposed on the base;

the processing plate is arranged on the support and provided with a plurality of processing holes which penetrate through the processing plate, so that a processing device can process workpieces on two sides of the processing plate;

the machining plate is provided with a clamping device for clamping a workpiece, the first oil delivery channel and the second oil delivery channel are respectively communicated with the clamping device, so that when the oil delivery device discharges or withdraws hydraulic oil from the first oil delivery channel or the second oil delivery channel, the clamping device clamps or releases the workpiece.

The processing plate is provided with the processing hole, the workpiece is clamped by the clamping device on the processing plate, the processing device can process the workpiece by penetrating through the processing hole from front to back of the processing plate, the pillar and the processing plate are rotatably arranged on the base, the processing device does not need to be moved, the processing of the workpiece can be completed only by rotating the pillar and the processing plate, and the operation is more convenient. In addition, first oil delivery passageway and second oil delivery passageway are located the inside of processing board, and the processing sweeps can not splash to oil pipe on, can not cause the oil circuit damage, have prolonged clamping device, first oil delivery passageway and second oil delivery passageway's life.

Preferably, the clamping device is an oil pressure corner cylinder, and a first inductive switch used for sensing whether the clamping device normally operates is further arranged on one side of the clamping device. The position will constantly be changed to clamping part when oil pressure corner jar operation, therefore the change in position can be sensed to first inductive switch, when first inductive switch senses oil pressure corner jar not removal position, proves clamping device normal operating promptly, has broken down.

Preferably, a second inductive switch used for sensing whether the workpiece is clamped by the clamping device or not is further arranged on the processing plate, and the second inductive switch is located at the lower end of the workpiece. Therefore, the position of the clamped workpiece can be sensed by the second sensing switch, and whether the workpiece is clamped by the clamping device can be further detected.

Preferably, a telescopic scrap blocking assembly is further arranged on the processing plate and is located at the lower end of the workpiece;

the flexible bits subassembly that keeps off includes extensible member, installed part, elastic component and mounting, it holds the chamber to have seted up in the installed part, the both ends of extensible member are first end and second end respectively, the second end is located hold the intracavity, the diameter D1 of second end the diameter D2 that holds the chamber, first end top is equipped with and is used for plugging up the work piece and need not to process the hole fender bits platform, it is equipped with to hold the intracavity the elastic component, the elastic component is located the below of second end, the mounting sets up the below of installed part for the work piece pushes down when pressing from both sides tight work piece keeps off the bits platform, the extensible member pushes down the messenger in step the elastic component is in compression state, when the work piece does not push down the elastic component resumes to extend the state, the extensible member with keep off the bits platform and get back to initial position.

Because the work piece is when clamping state and not adding the holding state, its height on the processing board will change, flexible fender bits subassembly then is the hole that does not need to process on being used for the shutoff work piece, prevent that the sweeps from entering into to the above-mentioned hole of work piece, in order to adapt to the height of work piece, this scheme adopts flexible fender bits subassembly, after the work piece centre gripping, its high decline makes fender bits platform and extensible member push down, make the elastic component of below be in the compression state, when the work piece is not by the centre gripping, pressure disappears, the elastic component resumes to initial condition, and drive extensible member and fender bits platform and rise, thereby when the work piece is in the centre gripping and by the clamping state, keep off the bits platform and can block up the hole that the work piece need not to process.

Preferably, still be equipped with on the processing board and keep off the bits piece, keep off the bits piece and be located one side of work piece, be equipped with the shutoff post on keeping off the bits piece for the work piece quilt clamping device presss from both sides tightly the back, the hole that the work piece need not to process can be plugged up to the shutoff post. The flexible bits subassembly that keeps off is adopted to the work piece below, and the side of the work piece adopt conventional fender bits piece can, because keep off and be equipped with the shutoff post on the bits piece, during the use, the hole that the shutoff post blockked up the work piece and need not to process prevents inside sweeps or other liquid from getting into above-mentioned hole.

Preferably, the processing plate is further provided with an air blowing device for blowing air to blow scraps during processing of the workpiece, and the air blowing device is positioned on one side of the workpiece. Because the work piece will produce more sweeps when processing, and the component on the processing board is more, untimely clearance, the sweeps will pile up on the component and influence its continuation and use, adopts gas blowing device to blow off high-pressure gas and blows off the sweeps that gathers on the component, guarantees the normal use of component on the processing board.

Preferably, the top end of the processing plate is also provided with an air-electric slip ring. So, the gas circuit, the water route and the circuit of anchor clamps are introduced by the pneumoelectric slip ring, and the degree of integrating is higher.

Preferably, sliding grooves are formed in both sides of the base, a sliding block capable of moving along the sliding grooves is arranged on the strut, an adjusting block is arranged on one side of the bottom end of the strut, the axis of the sliding grooves is perpendicular to the side face, provided with the adjusting block, of the strut, a first adjusting hole is formed in the adjusting block, internal threads are formed in the first adjusting hole, and a screw penetrates through the first adjusting hole to abut against the side edge of the strut, so that the sliding block and the strut can move in the sliding grooves when the screw is screwed;

a second adjusting hole is formed in the sliding block and provided with internal threads, and the screw penetrates through the second adjusting hole and is fixed to the side edge of the supporting column.

The screw rod is screwed to enable the sliding block to move in the sliding groove and drive the supporting column to move synchronously, a certain distance can be adjusted in the X-axis direction of the clamp during installation, and the screw rod is screwed to push the supporting column to move a part of distance in the Y-axis direction so as to ensure the optimal use state of the clamp.

Preferably, the bottom of pillar still is equipped with the latch segment, the mounting hole has been seted up to the latch segment, be equipped with the internal thread in the mounting hole, the screw rod passes the mounting hole with the base butt. The adjustment of the pillar and the processing plate in the Z-axis direction is realized by screwing the screw rod, and the bottom of the screw rod is abutted to the base, so that the pillar is jacked up by a part of distance when the screw rod is screwed, and the adjustment in the Z-axis direction is realized.

In addition, the utility model also provides a processing machine tool which uses the double-sided processing clamp in any one of the above-mentioned modes.

The double-sided processing clamp has the following beneficial effects:

1. the oil passages of the first oil conveying channel and the second oil conveying channel which are designed in advance are combined and processed inside the processing plate, the hidden oil passages are adopted, the oil passages are not exposed outside, bulky and complex external oil pipes are eliminated, the installation volume is smaller, meanwhile, the condition that waste chips splashed during processing damage the exposed oil pipes is avoided, and the service lives of the oil passages and the clamping devices are prolonged.

2. The telescopic scrap blocking component and the scrap blocking block are arranged, wherein the telescopic scrap blocking component is used for blocking a hole which is not needed to be processed at the lower end of the workpiece, the scrap blocking block is used for blocking a hole which is not needed to be processed at the side edge of the workpiece, and waste scraps or water is prevented from being accumulated in the hole.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of a double-sided machining fixture according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic view of the double-sided machining fixture according to another embodiment of the present invention;

FIG. 4 is a partial enlarged view of FIG. 3 at B;

FIG. 5 is a schematic structural view of the double-sided machining jig of the present invention;

FIG. 6 is a partial enlarged view of FIG. 5 at C;

FIG. 7 is a schematic structural view of a processing plate of the double-sided processing fixture of the present invention;

FIG. 8 is a schematic cross-sectional view of a processing plate of the double-sided processing jig of the present invention;

FIG. 9 is a schematic structural view of a retractable chip blocking assembly of the double-sided machining fixture of the present invention;

FIG. 10 is a schematic cross-sectional view of the retractable chip-blocking assembly of the double-sided machining fixture of the present invention;

fig. 11 is a schematic structural view of a chip blocking block of the double-sided processing fixture of the present invention.

In the drawings: 1-workbench, 2-base, 21-rotating shaft, 22-sliding chute, 3-support column, 31-sliding block, 311-second adjusting hole, 312-second screw rod, 32-adjusting block, 321-first adjusting hole, 322-first screw rod, 34-locking block, 341-mounting hole, 342-third screw rod, 4-processing plate, 41-processing hole, 42-first oil conveying channel, 43-second oil conveying channel, 44-second inductive switch, 45-chip blocking block, 451-blocking column, 5-clamping device, 51-first inductive switch, 6-telescopic chip blocking component, 61-telescopic component, 611-chip blocking platform, 612-first end, 613-second end, 62-mounting component, 621-containing cavity, 63-elastic piece, 64-fixed piece, 7-air blowing device, 8-pneumatic electric slip ring and 9-workpiece.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

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.

It should be noted that if directional indications such as up, down, left, right, front, and rear … … are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship, motion, and the like between the components in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 11, a double-sided machining jig includes:

a work table 1;

a base 2 rotatably provided on the table 1 through a rotation shaft 21;

a support 3 movably disposed on the base 2;

the processing plate 4 is arranged on the strut 3, and a plurality of processing holes 41 which penetrate through the processing plate 4 are formed in the processing plate 4, so that a processing device can process workpieces 9 on two sides of the processing plate 4;

the oil delivery device is used for discharging or withdrawing hydraulic oil, a first oil delivery channel 42 and a second oil delivery channel 43 are arranged in the processing plate 4, the oil delivery device is respectively communicated with the first oil delivery channel 42 and the second oil delivery channel 43, a clamping device 5 used for clamping a workpiece 9 is arranged on the processing plate 4, and the first oil delivery channel 42 and the second oil delivery channel 43 are respectively communicated with the clamping device 5, so that when the oil delivery device discharges or withdraws the hydraulic oil from the first oil delivery channel 42 or the second oil delivery channel 43, the clamping device 5 clamps or releases the workpiece 9.

Specifically, the double-sided machining fixture is applicable to workpieces 9 of different types, such as flat plates, strips, even special shapes, and the like, and has a wide application range.

The area on the worktable 1 is the processing area, and all the components are arranged above the worktable 1. Base 2's middle part is equipped with pivot 21, pivot 21 rotationally sets up in the middle of workstation 1, it is rotatory to drive base 2 when pivot 21 rotates, because base 2 top is equipped with stand and processing board 4, consequently stand and processing board 4 also can synchronous revolution, a plurality of processing holes 41 have been seted up on the processing board 4, processing hole 41 runs through processing board 4, can follow one side rotation to one side in addition when processing board 4, processingequipment need not to rotate alright with the realization to the both sides processing of work piece 9. According to the utility model, the clamping device 5 is arranged on the rotatable base 2, the processing plate 4 is provided with the hollow processing hole 41 at the processing position, so that the clamping device 5 (a cutter) can penetrate through the processing plate 4, and double-sided processing can be realized by clamping a workpiece 9 at one time; the processing period is shortened, and the processing operation of a processing device (not shown in the figure) is simpler. As shown in fig. 7-8, the present solution employs an oil pressure to drive the operation of the clamping device 5, the oil delivery device stores and delivers hydraulic oil to the first oil delivery channel 42 or the second oil delivery channel 43, and the hydraulic oil is delivered to the clamping device 5 through the first oil delivery channel 42 or the second oil delivery channel 43 to drive the clamping device 5 to operate to clamp or release the workpiece 9. First oil delivery passageway 42 and second oil delivery passageway 43 are located processing board 4 inside to all be provided with many, many first oil delivery passageways 42 communicate each other, many second oil delivery passageways 43 communicate each other, are equipped with a plurality of clamping device 5 on the processing board 4, and every clamping device 5 all matches and is equipped with a first oil delivery passageway 42 and a second oil delivery passageway 43, in order to guarantee clamping device 5's normal operating. All first oil delivery channel 42 and second oil delivery channel 43 in this scheme all lie in the same one side of processing board 4, and the opening of first oil delivery channel 42 and second oil delivery channel 43 all lies in the top of processing board 4, and with the regional of gas electric slip ring 8 place, the degree of integration is higher. The oil paths of the first oil delivery channel 42 and the second oil delivery channel 43 which are designed in advance are combined and processed inside the processing plate 4, a hidden oil path is adopted, the oil paths are not exposed outside, bulky and complex external oil pipes are eliminated, the installation volume is smaller, meanwhile, the condition that waste chips splashed during processing damage the exposed oil pipes is avoided, and the service lives of the oil paths and the clamping device 5 are prolonged. The machining device in this scheme may be a conventional cutting head or a cutting tool or the like.

Further, the clamping device 5 is an oil pressure corner cylinder, and a first inductive switch 51 for sensing whether the clamping device operates normally is further arranged on one side of the clamping device 5. Clamping device 5 in this scheme adopts the oil pressure corner jar, and the detection of the first inductive switch 51 of mainly being convenient for, each clamping device 5 all is provided with an inductive switch. In other embodiments, the clamping device 5 may also be a jaw or the like. The piston of the oil pressure corner cylinder rotates firstly, then the pressure arm presses down and rotates to a preset position on the workpiece 9, and finally the workpiece 9 is pressed down and clamped in a straight line; when releasing work piece 9, the pressure arm rises and rotates to initial position, no longer presss from both sides tight work piece 9, and it has small, centre gripping quantity is fast, fixes a position accurate characteristics. Meanwhile, the oil pressure corner cylinder has a large moving degree when in operation, the first inductive switch 51 can obviously sense whether the clamping device 5 normally operates, when the clamping device 5 does not normally operate, the first inductive switch 51 immediately identifies the operating state of the clamping device 5 and can be used together with an alarm and a controller, when the first inductive switch 51 identifies the fault of the clamping device 5, the controller controls the alarm to give an alarm, and a user can timely handle the fault.

Further, a second inductive switch 44 for sensing whether the workpiece 9 is clamped by the clamping device 5 is further arranged on the processing plate 4, and the second inductive switch 44 is located at the lower end of the workpiece 9. The second sensing switch 44 is located below the workpiece 9 for sensing whether the workpiece 9 is clamped by the clamping device 5, and when the workpiece 9 is in a normal clamping state, the height of the workpiece 9 will be partially lowered, so that the workpiece can be sensed by the second sensing switch 44. The second inductive switch 44 may also be used in conjunction with an alarm and controller to further ensure that the workpiece 9 is held securely. The cooperation of the first inductive switch 51 and the second inductive switch 44 can detect the loose clamping state of the oil cylinder and whether the workpiece 9 is in place or not in real time, thereby facilitating automatic production or avoiding the processing and scrapping of the workpiece 9 caused by human errors.

Furthermore, a telescopic scrap blocking assembly 6 is further arranged on the processing plate 4, and the telescopic scrap blocking assembly 6 is located at the lower end of the workpiece 9;

the telescopic scrap blocking assembly 6 comprises a telescopic member 61, a mounting member 62, an elastic member 63 and a fixing member 64, wherein a containing cavity 621 is formed in the mounting member 62, the two ends of the telescopic member 61 are respectively a first end 612 and a second end 613, the second end 613 is located in the containing cavity 621, the diameter D1 of the second end 613 is larger than the diameter D2 of the containing cavity 621, a scrap blocking platform 611 for blocking a hole which is not required to be processed in the workpiece 9 is arranged above the first end 612, the elastic member 63 is arranged in the containing cavity 621, the elastic member 63 is located below the second end 613, the fixing member 64 is arranged below the mounting member 62, so that the workpiece 9 presses down the scrap blocking platform 611 when the workpiece 9 is clamped, the telescopic member 61 synchronously presses down to enable the elastic member 63 to be in a compressed state, and the elastic member 63 returns to an extended state when the workpiece 9 is not pressed down, the telescoping member 61 and the breading platform 611 return to the initial position.

As shown in fig. 9-10, the clamp is provided with a retractable chip blocking assembly 6 for blocking or plugging a recessed portion such as a hole machined in the previous process at the lower end of the workpiece 9, so as to prevent waste chips from accumulating in the hole and prevent water from entering the hole. Because the workpiece 9 will drop a part of the distance when being clamped, the telescopic chip blocking assembly 6 is arranged below the workpiece 9, a hole which is not required to be processed in the workpiece 9 can be blocked by the chip blocking platform 611 of the telescopic chip blocking assembly 6 in an initial state, and after the workpiece 9 is clamped, the chip blocking platform 611 is pressed downwards by the workpiece 9 to drive the telescopic piece 61 to press the elastic piece 63 (not shown in the figure) in the accommodating cavity 621 downwards so as to enable the elastic piece to be in a compressed state; after the workpiece 9 is machined, the clamping device 5 releases the workpiece 9, the chip blocking platform 611 and the telescopic piece 61 are not stressed by the pressure of the workpiece 9 any more, the elastic piece 63 recovers to the extension state, the chip blocking platform 611 and the telescopic piece 61 are driven to ascend to return to the initial position, and the plugging effect is better.

Further, still be equipped with on the processing board 4 and keep off bits piece 45, keep off bits piece 45 and be located one side of work piece 9, keep off and be equipped with shutoff post 451 on the bits piece 45 for work piece 9 by clamping device 5 presss from both sides the back tightly, the hole that work piece 9 need not to process can be plugged up to shutoff post 451. As shown in fig. 11, since the side of the workpiece 9 also has some holes that do not need to be processed, a chip-blocking block 45 is provided on one side of the workpiece 9, and a blocking column 451 on the chip-blocking block 45 blocks the holes on the workpiece 9 to prevent liquid and waste chips from entering.

Further, an air blowing device 7 for blowing air to blow off scraps when the workpiece 9 is machined is further arranged on the machining plate 4, and the air blowing device 7 is positioned on one side of the workpiece 9. It can be understood that, because the workpiece 9 will produce more scraps during processing, and there are more components on the processing plate 4, such as the workpiece 9, the positioning pin, the supporting block, etc., the air blowing device 7 can clean the surface of the component, and the scraps will be accumulated on the component to affect the continuous use of the component, the precision of the component will be affected, and the scraps collected on the component can be blown off by the high-pressure air blown by the air blowing device 7, so as to ensure the normal use of the component.

Further, an air-electric slip ring 8 is arranged at the top end of the processing plate 4. Like this, use the pneumo-electric slip ring 8 of gas-liquid-electricity integral type in the upper end of processing board 4, the gas circuit, the water route and the circuit of anchor clamps are introduced by pneumo-electric slip ring 8 promptly, and the rotation angle of processing board 4 will not receive the restriction of gas circuit, water route and circuit, and the operation is more smooth and easy, and integrates the degree higher.

Furthermore, sliding grooves 22 are formed in both sides of the base 2, a sliding block 31 capable of moving along the sliding grooves 22 is arranged on the pillar 3, an adjusting block 32 is arranged on one side of the bottom end of the pillar 3, the axis of the sliding groove 22 is perpendicular to the side face, provided with the adjusting block 32, of the pillar 3, a first adjusting hole 321 is formed in the adjusting block 32, internal threads are formed in the first adjusting hole 321, and a first screw 322 penetrates through the first adjusting hole 321 to abut against the side edge of the pillar 3, so that the sliding block 31 and the pillar 3 can move in the sliding grooves 22 when the first screw 322 is screwed;

a second adjusting hole 311 is formed in the sliding block 31, an internal thread is formed in the second adjusting hole 311, and a second screw 312 penetrates through the second adjusting hole 311 and is fixed to the side edge of the support 3.

It can be understood that, since the end of the first screw 322 abuts against the base 2, screwing the first screw 322 on the adjusting block 32 can drive the sliding block 31 (the pillar 3 and the processing plate 4) to move a part of the distance along the sliding slot 22, i.e. the positions of the pillar 3 and the processing plate 4 on the X axis can be adjusted. Similarly, when the second screw 312 is screwed, the second screw 312 extends or retracts along the slider 31, and the column 3 and the processing plate 4 are moved in the Y-axis direction.

Further, the bottom end of the pillar 3 is further provided with a locking block 34, the locking block 34 is provided with a mounting hole 341, an internal thread is arranged in the mounting hole 341, and a screw passes through the mounting hole 341 to abut against the base 2. In the present embodiment, since the end of the third screw 342 abuts against the upper end of the base 2, when the third screw 342 on the adjustment block 32 is screwed, the column 3 and the processing plate 4 can be raised or the column 3 and the processing plate 4 can be lowered, that is, the positions of the column 3 and the processing plate 4 in the X axis can be adjusted.

The combined use of the structures can lead the processing plate 4 and the pillar 3 to be freely adjusted in the direction of the X, Y, Z shaft, and the vertical position, the horizontal position and the like of the clamping device 5 can be conveniently adjusted when the processing plate is initially installed, used or maintained;

in addition, the utility model also provides a processing machine tool which uses the double-sided processing clamp in any one of the above-mentioned modes. The processing machine tool uses the double-sided processing clamp, and referring to the embodiments, as the processing machine tool adopts all technical schemes of all the embodiments, all effects brought by the technical schemes of the embodiments are at least achieved, and the details are not repeated.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A double-sided machining jig characterized by comprising:

a table (1);

a base (2) rotatably provided on the table (1) through a rotating shaft (21);

a support (3) movably arranged on the base (2);

the processing plate (4) is arranged on the strut (3), and a plurality of processing holes (41) which penetrate through the processing plate (4) are formed in the processing plate (4), so that a processing device can process workpieces (9) on two sides of the processing plate (4);

the oil delivery device is used for discharging or withdrawing hydraulic oil, a first oil delivery channel (42) and a second oil delivery channel (43) are arranged in the processing plate (4), the oil delivery device is respectively communicated with the first oil delivery channel (42) and the second oil delivery channel (43), a clamping device (5) used for clamping a workpiece (9) is arranged on the processing plate (4), and the first oil delivery channel (42) and the second oil delivery channel (43) are respectively communicated with the clamping device (5), so that when the oil delivery device discharges or withdraws the hydraulic oil from the first oil delivery channel (42) or the second oil delivery channel (43), the clamping device (5) clamps or releases the workpiece (9).

2. A double-sided machining jig according to claim 1, characterized in that the clamping device (5) is an oil pressure corner cylinder, and a first sensing switch (51) for sensing whether the clamping device (5) is normally operated is further provided at one side of the clamping device.

3. A double-sided machining jig according to claim 1, characterized in that the machining plate (4) is further provided with a second inductive switch (44) for sensing whether the workpiece (9) is clamped by the clamping device (5), and the second inductive switch (44) is located at the lower end of the workpiece (9).

4. A double-sided machining fixture according to claim 1, characterized in that a telescopic chip blocking assembly (6) is further arranged on the machining plate (4), and the telescopic chip blocking assembly (6) is positioned at the lower end of the workpiece (9);

the telescopic scrap blocking assembly (6) comprises a telescopic piece (61), a mounting piece (62), an elastic piece (63) and a fixing piece (64), a containing cavity (621) is formed in the mounting piece (62), a first end (612) and a second end (613) are arranged at two ends of the telescopic piece (61), the second end (613) is located in the containing cavity (621), the diameter D1 of the second end (613) is larger than the diameter D2 of the containing cavity (621), a scrap blocking platform (611) used for blocking a hole which is not required to be machined in a workpiece (9) is arranged above the first end (612), the elastic piece (63) is arranged in the containing cavity (621), the elastic piece (63) is located below the second end (613), and the fixing piece (64) is arranged below the mounting piece (62), so that the scrap blocking platform (611) is pressed down by the workpiece (9) when the workpiece (9) is clamped, the extensible member (61) is synchronously pressed downwards to enable the elastic member (63) to be in a compression state, when the workpiece (9) is not pressed downwards, the elastic member (63) is restored to an extension state, and the extensible member (61) and the chip blocking platform (611) return to an initial position.

5. A double-sided processing clamp according to claim 1, wherein a chip blocking block (45) is further arranged on the processing plate (4), the chip blocking block (45) is located on one side of the workpiece (9), and a plugging column (451) is arranged on the chip blocking block (45), so that after the workpiece (9) is clamped by the clamping device (5), the plugging column (451) can plug the hole of the workpiece (9) which does not need to be processed.

6. A double-sided machining jig according to claim 1, characterized in that the machining plate (4) is further provided with an air blowing device (7) for blowing air to blow out the scraps when the workpiece (9) is machined, the air blowing device (7) being located at one side of the workpiece (9).

7. A double-sided machining fixture according to claim 1, characterized in that the top end of the machining plate (4) is further provided with an electro-pneumatic slip ring (8).

8. The double-sided processing clamp according to claim 1, wherein sliding grooves (22) are formed in two sides of the base (2), a sliding block (31) capable of moving along the sliding grooves (22) is arranged on the pillar (3), an adjusting block (32) is arranged on one side of the bottom end of the pillar (3), the axis of the sliding groove (22) is perpendicular to the side surface of the pillar (3) where the adjusting block (32) is arranged, a first adjusting hole (321) is formed in the adjusting block (32), internal threads are arranged in the first adjusting hole (321), and a first screw rod (322) penetrates through the first adjusting hole (321) to abut against the side edge of the pillar (3), so that the sliding block (31) and the pillar (3) can move in the sliding grooves (22) when the first screw rod (322) is screwed;

a second adjusting hole (311) is formed in the sliding block (31), an internal thread is formed in the second adjusting hole (311), and a second screw (312) penetrates through the second adjusting hole (311) to be fixed with the side edge of the support column (3).

9. The double-sided processing clamp according to claim 1, wherein a locking block (34) is further arranged at the bottom end of the pillar (3), a mounting hole (341) is formed in the locking block (34), internal threads are formed in the mounting hole (341), and a third screw (342) penetrates through the mounting hole (341) and abuts against the base (2).

10. A processing machine tool characterized by using the double-sided processing jig according to any one of claims 1 to 9.

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