CN112775470A

CN112775470A - Milling machine with double-sided machining function

Info

Publication number: CN112775470A
Application number: CN202011570826.3A
Authority: CN
Inventors: 孙晓霞; 李春璟
Original assignee: TEC PRECISION MOLD (SHENZHEN) CO Ltd
Current assignee: TEC PRECISION MOLD (SHENZHEN) CO Ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-05-11
Anticipated expiration: 2040-12-26
Also published as: CN112775470B

Abstract

The application relates to a milling machine for double-sided machining, which relates to the field of machine tools and comprises a rack and a workbench, wherein the rack is provided with a sliding seat in a sliding manner, the sliding seat is provided with a power head in a sliding manner, and the power head comprises a milling cutter driven by a motor to rotate; the base is arranged on the workbench and comprises two bottom plates which are perpendicular to each other and fixedly connected, the cross section of the base is L-shaped, the surface of the bottom plate facing the inner side of the L-shaped base is a first abutting surface used for abutting against a workpiece, and the surface of the bottom plate facing the outer side of the L-shaped base is a second abutting surface used for abutting against the workbench; the base and the workbench are hinged through the hinge shaft, the two abutting surfaces limit the rotation angle of the base to be 90 degrees, the bottom plate is provided with a clamping block in a sliding mode, and the clamping block is used for being matched with the abutting surface I to clamp a workpiece. Through this milling machine, need not to demolish anchor clamps upset work piece, the tight anchor clamps of clamp again when switching the machined surface of work piece, it is comparatively convenient, the clamping of work piece is comparatively firm when adding man-hour, and can conveniently realize carrying out the operation of chamfer to the intersection line of two machined surfaces.

Description

Milling machine with double-sided machining function

Technical Field

The application relates to the field of machine tools, in particular to a milling machine for double-sided machining.

Background

The milling machine is a common processing machine tool and is used for milling planes, milling grooves, milling chamfers and the like.

Chinese utility model patent with publication number CN202894433U discloses a milling machine, including the workstation, establish the fender wall in the workstation both sides, establish support frame, fixed mounting rocking arm on the support frame on the fender wall, establish the milling cutter on the rocking arm, be equipped with the track on the fender wall, the support frame slips on the track.

For the related technologies, the inventor thinks that the milling machine often needs to mill two intersecting perpendicular surfaces, the clamp needs to be manually removed after a workpiece is milled on one surface, the workpiece is clamped again after rotating the angle of the workpiece, and then the other surface can be milled, which is troublesome.

Disclosure of Invention

In order to improve the degree of convenience that two adjacent planes were milled to the work piece, this application provides a milling machine of two-sided processing.

The application provides a milling machine of two-sided processing adopts following technical scheme:

a milling machine for double-sided machining comprises a rack and a workbench, wherein a sliding seat is arranged on the rack in a sliding manner along the horizontal direction, a power head is arranged on the sliding seat in a sliding manner along the vertical direction, the power head comprises a milling cutter driven by a motor to rotate, and the milling cutter faces the workbench; the base is arranged on the workbench and comprises two bottom plates which are perpendicular to each other and fixedly connected, the cross section of the base is L-shaped, the surface of the bottom plate facing the inner side of the L-shaped base is a first abutting surface used for abutting against a workpiece, and the surface of the bottom plate facing the outer side of the L-shaped base is a second abutting surface used for abutting against the workbench; the articulated is established through setting up the articulated shaft between base, workstation, the articulated shaft is located the hookup location of two bottom plates, two the turned angle of two restriction bases of butt face is 90, it is provided with the clamp splice to slide on the bottom plate, the frame is equipped with orders about the gliding driving source of clamp splice, the clamp splice is located outside the tip that the bottom plate deviates from the articulated shaft, the slip direction of clamp splice is towards the articulated shaft, the clamp splice is used for pressing from both sides tight work piece with a butt face cooperation.

By adopting the technical scheme, a worker places a workpiece to be processed on the base, and two adjacent two side walls of the workpiece which are not processed are respectively abutted against the two abutting surfaces to form positioning. The base is in a state that one abutting surface and the other abutting surface abut against the workbench by default, the clamping block of the bottom plate in a horizontal state is moved to clamp the workpiece by controlling the action of the driving source, the clamping block of the bottom plate in a vertical state is moved to be away from the workpiece, then the personnel control the power head to move, and the milling cutter rotates to mill the top surface of the workpiece.

After one side of the workpiece is milled, the clamping block of the bottom plate in the horizontal state is controlled to move to loosen the workpiece, meanwhile, the clamping block of the bottom plate in the vertical state is controlled to move to clamp the workpiece, then, a worker can manually rotate the base to enable the workpiece to rotate 90 degrees, the base rotates 90 degrees and then contacts the top surface of the workbench through the abutting surface II to form positioning, the workpiece is clamped and stabilized, and then the top surface of the workpiece can be milled and leveled. Because the clamping block above the workpiece is not contacted with the workpiece and the milling cutter is in a shape protruding outwards along the radial direction, the clamping block above the workpiece can avoid the milling cutter to a certain extent, so that the milling cutter can mill the whole wall surface of the workpiece.

In conclusion, the milling machine is provided with the rotatable base, when the processing surface of a workpiece is switched, the clamp does not need to be removed, the workpiece is turned over and clamped, the workpiece is clamped and loosened by the milling machine through the driving source to drive the clamping block to move, and the workpiece is stably clamped during processing; the angle of the base is easy to rotate, and the convenience degree of milling two adjacent planes of the workpiece by the milling machine is improved.

Optionally, a sliding hole is formed in the end portion, away from the hinge shaft, of the bottom plate, a plunger rod is fixed to the clamping block, the plunger rod is slidably arranged in the sliding hole and is in sliding seal with the sliding hole, and an oil hole communicated with the sliding hole is formed in the outer wall of the bottom plate; the driving source comprises an oil tank and a hydraulic pump, the two ends of the hydraulic pump are respectively connected with the oil tank and the oil hole through pipelines, and the hydraulic pump is used for controlling the hydraulic oil in the oil tank to enter and exit the oil hole.

By adopting the technical scheme, the hydraulic pump controls the hydraulic oil in the oil tank to enter and exit the oil hole, when the hydraulic oil flows from the oil hole to the outside of the bottom plate, the hydraulic pressure drives the plunger rod and the clamping block of the bottom plate to synchronously move towards the direction close to the articulated shaft, so as to clamp a workpiece; when the hydraulic oil enters the oil hole, the hydraulic pressure drives the plunger rod and the clamping block of the bottom plate to synchronously move towards the direction far away from the hinge shaft, so that the workpiece is loosened. Through setting up hydraulic system removal clamp splice, the power that the clamp splice pressed from both sides tight work piece is great, makes the work piece clamping firm, also enables the face of bottom plate to keep leveling.

Optionally, be equipped with the leading truck on the workstation, the leading truck is located the bottom plate and deviates from the outside of articulated shaft, the leading truck is equipped with the spigot surface towards the bottom plate, the spigot surface is used for contacting the clamp splice, the clamp splice is equipped with the arc surface that is used for contacting the spigot surface towards the bottom edge of leading truck, works as when the clamp splice is to the direction removal of keeping away from the articulated shaft, arc surface butt spigot surface makes base turned angle.

By adopting the technical scheme, when the clamping block moves towards the direction far away from the hinge shaft, the arc surface is abutted against the guide surface and the base rotates by an angle; when the bottom plate rotates for more than 45 degrees, the base rotates towards the other side due to the gravity center movement, and the base rotates for 90 degrees towards the other side. The combination of the guide frame and the clamping blocks can automatically realize that the base rotates 90 degrees, and the labor amount of workers is reduced.

Optionally, the guide surface comprises a first guide surface at the bottom, and the first guide surface is inclined upwards.

Through adopting above-mentioned technical scheme, when the bottom plate was in the horizontality, the clamp splice passed through arc surface butt spigot surface one, and the ascending spigot surface one of slope makes the base can upwards turned angle.

Optionally, the guide surface further comprises a second guide surface located above the first guide surface, and the second guide surface is a vertical surface.

Through adopting above-mentioned technical scheme, when clamp splice and the contact of second spigot surface, the slip direction of clamp splice has inclined up, through setting up vertical spigot surface two, can order about the base and rotate to another leading truck direction fast, shortens the required length that moves outward of clamp splice.

Optionally, the guide surface further includes a third guide surface located above the second guide surface, the third guide surface is inclined downward, and the hinge shaft is located below a normal of the third guide surface.

By adopting the technical scheme, when the clamping block is in contact with the three guide surfaces, the inclination of the sliding direction of the clamping block is higher, the three guide surfaces which are inclined downwards are used for driving the base to further rotate quickly towards the other guide frame, and the length of the clamping block which needs to move outwards is further shortened compared with the vertical surface.

Optionally, when the clamping block contacts the top edge of the guide surface through the arc surface, an included angle between the second abutting surface and the top surface of the workbench is 45 °.

Through adopting above-mentioned technical scheme, when the top edge of arc surface butt spigot guide surface, the clamp splice of two bottom plates stretches out the length of bottom plate the same, two leading trucks are respectively through the clamp splice with the base spacing in the period, the base just maintains at butt surface two, workstation top surface contained angle 45 states, and is enough firm. The milling cutter can then chamfer the intersection of the two machined surfaces.

Optionally, the workstation top surface is equipped with the caulking groove, the caulking groove is close to the cell wall of articulated shaft direction and is equipped with the locked groove, the clamp splice is equipped with the locking piece that is used for inserting the locked groove, works as when the mesa of two laminating workstations of butt face, the clamp splice can make the locking piece insert the locked groove through sliding.

By adopting the technical scheme, when the bottom plate passes through the abutting surface two abutting working tables, the clamping block of the bottom plate in a horizontal state moves to clamp a workpiece, the clamping block is inserted into the locking groove in the process of clamping the workpiece, the base can not rotate by an angle, and the stability of the workpiece during the processing of a milling plane is improved.

Optionally, the slide includes that slide one, slide two that slide along the horizontal direction setting in the frame slides and sets up in slide one, the slip direction of slide two is perpendicular with the slip direction of slide one, the unit head is located slide two.

Through adopting above-mentioned technical scheme, through setting up slide one, slide two, can realize that the position of unit head on X, Y two directions on the horizontal plane removes, make things convenient for milling cutter to aim at the processing position of work piece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the processing surface of the workpiece is switched, the clamp does not need to be detached to turn the workpiece and then clamp the clamp, so that the operation is more convenient;

2. the clamping of the workpiece is stable during processing;

3. can conveniently realize chamfering the intersection line of the two processing surfaces of the workpiece.

Drawings

Fig. 1 is a perspective view of a double-sided machining milling machine according to an embodiment of the present application.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Fig. 3 is a schematic view of the driving source inside the base of the embodiment.

Fig. 4 is an operation state diagram of the embodiment.

Description of reference numerals: 1. a frame; 11. a work table; 2. a base; 12. a first sliding seat; 13. a second sliding seat; 14. a power head; 15. milling cutters; 20. a base plate; 21. a first abutting surface; 22. a second abutting surface; 23. hinging a shaft; 24. a slide hole; 31. a plunger rod; 3. a clamping block; 25. an oil hole; 41. an oil tank; 42. a hydraulic pump; 5. a guide frame; 51. a first guide surface; 52. a second guide surface; 53. a third guide surface; 32. a circular arc surface; 111. caulking grooves; 112. locking the groove; 33. and (6) locking the block.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses milling machine of two-sided processing. Referring to fig. 1, the milling machine for double-sided processing comprises a frame 1 and a workbench 11 arranged on the frame 1, wherein a base 2 for clamping a workpiece is arranged on the top surface of the workbench 11. The sliding device comprises a rack 1, and is characterized in that a sliding seat is arranged on the rack 1 in a sliding mode, the sliding seat comprises a first sliding seat 12 arranged on the rack 1 in a sliding mode along the horizontal direction, and a second sliding seat 13 arranged on the first sliding seat 12 in a sliding mode along the horizontal direction, the sliding direction of the second sliding seat 13 is perpendicular to the sliding direction of the first sliding seat 12, a power head 14 is arranged on the second sliding seat 13 in a sliding mode along the vertical direction, the power head 14 comprises a milling cutter 15 driven by a motor to rotate. The first sliding seat 12, the second sliding seat 13 and the power head 14 are driven to slide by independent motor lead screw machines respectively, and the milling cutter 15 moves in X, Y, Z three directions.

Referring to fig. 2 and 3, the base 2 includes two bottom plates 20 perpendicular to each other and fixedly connected to each other, the bottom plates 20 are rectangular plates, the two bottom plates 20 are fixedly connected to each other by long sides, and the plate surfaces of the two bottom plates 20 are perpendicular to each other, so that the cross section of the base 2 is L-shaped. The surface of the bottom plate 20 facing the inner side of the L shape is a first abutting surface 21 for abutting against a workpiece, and the two first abutting surfaces 21 are perpendicular to each other; the plate surface of the bottom plate 20 facing the outside of the L shape is a second contact surface 22 for contacting the table 11, and the two second contact surfaces 22 are perpendicular to each other. Articulated through setting up articulated shaft 23 between base 2, workstation 11, articulated shaft 23 is located the hookup location of two bottom plates 20, is located the L shape corner of base 2 promptly, and the length direction of bottom plate 20 is followed to the length direction of articulated shaft 23, and articulated shaft 23 is parallel with the top surface of workstation 11 and is close to the top surface of workstation 11. The base 2 can rotate around the hinge shaft 23, so that one of the two abutting surfaces 22 abuts against the top surface of the workbench 11 in a surface contact mode, and the two abutting surfaces 22 limit the rotation angle of the base 2 to be 90 degrees.

The end of the bottom plate 20 away from the hinge shaft 23 is provided with a plurality of slide holes 24, the depth direction of the slide holes 24 faces the hinge shaft 23, and the slide holes 24 are arranged along the length direction of the bottom plate 20. A plunger rod 31 is arranged in each sliding hole 24 in a sliding mode, the outer wall of the plunger rod 31 establishes sliding sealing with the inner wall of the sliding hole 24 through a sleeved sealing ring, and a clamping block 3 is fixed at the end, located outside the sliding hole 24, of the plunger rod 31. The clamp splice 3 is located outside the tip that the bottom plate 20 deviates from articulated shaft 23, and the clamp splice 3 bulges the place plane of butt face one 21, and the clamp splice 3 can be through following slide opening 24 slip butt work piece, and then compress tightly the work piece on butt face one 21 of another bottom plate 20, realizes pressing from both sides tightly of work piece.

Oil holes 25 are provided at the longitudinal end of the base plate 20, and the oil holes 25 communicate all the slide holes 24 of the base plate 20. The frame 1 is provided with a driving source for driving the clamping block 3 to slide, the driving source comprises an oil tank 41 and a hydraulic pump 42, two ends of the hydraulic pump 42 are respectively connected with the oil tank 41 and the oil hole 25 through pipelines, and the hydraulic pump 42 is used for controlling hydraulic oil in the oil tank 41 to enter and exit the oil hole 25. When hydraulic oil flows from the oil hole 25 to the outside of the bottom plate 20, all the plunger rods 31 and the clamping blocks 3 of the bottom plate 20 are driven by the hydraulic pressure to synchronously move towards the direction close to the hinge shaft 23, so that a workpiece is clamped; when hydraulic oil enters the oil hole 25, all the plunger rods 31 and the clamping blocks 3 of the bottom plate 20 are driven by the hydraulic oil to synchronously move towards the direction away from the hinge shaft 23, so that the workpiece is loosened.

Referring to fig. 2, two guide frames 5 are fixed on the working table 11, the two guide frames 5 are respectively located outside both sides of the base 2 in the width direction, and the guide frames 5 are located outside the bottom plate 20 away from the hinge shaft 23. The guide frame 5 is provided with a guide surface facing the bottom plate 20, and the guide surface is used for contacting the clamping block 3; the clamping block 3 is provided with an arc surface 32 towards the bottom edge of the guide frame 5, when the clamping block 3 moves towards the direction far away from the hinge shaft 23, the arc surface 32 is abutted against the guide surface, and sliding is generated between the arc surface 32 and the guide surface, so that the base 2 rotates at an angle.

The guide surface comprises a first guide surface 51, a second guide surface 52 and a third guide surface 53 which are arranged from bottom to top in sequence. The first guide surface 51 is close to the top surface of the workbench 11, and the first guide surface 51 is inclined upwards; the second guide surface 52 is a vertical surface; guide surface three 53 is inclined downward and hinge shaft 23 is located below the normal to guide surface three 53. When the clamping block 3 contacts the top edge of the guide surface through the arc surface 32, the included angle between the second abutting surface 22 and the top surface of the workbench 11 can be in a state of 45 degrees.

Two caulking grooves 111 are formed in the top surface of the workbench 11, the caulking grooves 111 are located on two sides of the base 2 in the width direction, the caulking grooves 111 are located between the bottom plate 20 and the guide frame 5, the length direction of the caulking grooves 111 is along the length direction of the bottom plate 20, and the lower ends of the first guide surfaces 51 are located in the caulking grooves 111. The caulking groove 111 is provided with a locking groove 112 on the groove wall close to the direction of the hinge shaft 23, the clamping block 3 is fixed with a locking block 33 inserted into the locking groove 112, when the second abutting surface 22 is attached to the table top of the workbench 11, the clamping block 3 can enable the locking block 33 to be inserted into the locking groove 112 through sliding.

The implementation principle of the milling machine for double-sided processing in the embodiment of the application is as follows: a person places a workpiece to be machined on the base 2, the cross section of the workpiece is rectangular, and two adjacent side walls of the workpiece, which are not machined, are respectively abutted against the two first abutting surfaces 21 to form positioning. The base 2 is in a state of one contact surface 22 contacting the workbench 11 by default, the clamp block 3 of the bottom plate 20 in a horizontal state is moved to clamp the workpiece by controlling the state of the hydraulic pump 42 and the control valve thereof, and the lock block 33 of the clamp block 3 is inserted into the lock groove 112 in the process of clamping the workpiece by the clamp block 3, so that the base 2 cannot rotate. The clamping block 3 of the other vertical bottom plate 20 moves away from the workpiece, then the personnel control the power head 14 to move, and the milling cutter 15 rotates to mill the top surface of the workpiece.

After one surface of the workpiece is milled, the clamping block 3 of the bottom plate 20 in a horizontal state is controlled to move to release the workpiece, after the locking block 33 slides to be separated from the locking groove 112, along with the further distance of the clamping block 3 from the hinge shaft 23, the clamping block 3 abuts against the first guide surface 51 through the arc surface 32, the first guide surface 51 which is inclined upwards enables the base 2 to rotate, and then the clamping block 3 abuts against the second guide surface 52 through the arc surface 32, so that the base 2 continues to rotate. And finally, the clamping block 3 abuts against the third guide surface 53, when the bottom plate 20 rotates by more than 45 degrees, the base 2 rotates towards the other side spontaneously due to gravity center movement, the base 2 rotates towards the other side by 90 degrees, the third guide surface 53 is used for driving the base 2 to rotate towards the other guide frame 5 rapidly, and the length required by the clamping block 3 to move outwards is shortened.

In the process of moving the clamping block 3 in the horizontal state, the clamping block 3 of the bottom plate 20 in the vertical state is controlled to move close to the workpiece, after the second abutting surface 22 of the bottom plate 20 abuts against the top surface of the workbench 11, the clamping block 3 moves to enable the locking block 33 to be inserted into the corresponding locking groove 112, the locking of the base 2 is completed, then the clamping block 3 moves to clamp the workpiece, the operation of automatically rotating the workpiece by 90 degrees is completed, and the workpiece is clamped stably. Then the milling cutter 15 moves to mill the top surface of the workpiece, and due to the shape of the milling cutter 15 protruding outwards in the radial direction, the clamping block 3 positioned above the workpiece can avoid the milling cutter 15 to a certain extent, so that the milling cutter 15 can mill the whole wall surface of the workpiece.

Referring to fig. 2 and 4, after two adjacent wall surfaces of the workpiece are milled, the intersection line of the two wall surfaces can be chamfered. The two clamping blocks 3 are controlled to move, the arc surface 32 is abutted to the top edge of the guide surface, namely the top edge of the guide surface III 53, the lengths of the clamping blocks 3 of the two bottom plates 20 extending out of the bottom plates 20 are the same, the two guide frames 5 limit the base 2 in the period through the clamping blocks 3 respectively, and the base 2 is just maintained in a state of abutting the top surface of the second clamping face 22 and the top surface of the workbench 11 at an included angle of 45 degrees. The milling cutter 15 can then be moved to chamfer the top edge of the workpiece.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A milling machine for double-sided machining comprises a machine frame (1) and a workbench (11), wherein a sliding seat is arranged on the machine frame (1) in a sliding mode along the horizontal direction, a power head (14) is arranged on the sliding seat in a sliding mode along the vertical direction, the power head (14) comprises a milling cutter (15) driven by a motor to rotate, and the milling cutter (15) faces the workbench (11); the method is characterized in that: the base (2) is arranged on the workbench (11), the base (2) comprises two bottom plates (20) which are perpendicular to each other and fixedly connected, the cross section of the base (2) is L-shaped, the surface of the bottom plate (20) facing the inner side of the L-shaped is a first abutting surface (21) used for abutting against a workpiece, and the surface of the bottom plate (20) facing the outer side of the L-shaped is a second abutting surface (22) used for abutting against the workbench (11); establish through setting up articulated shaft (23) between base (2), workstation (11) and articulate, articulated shaft (23) are located the hookup location of two bottom plates (20), two the turned angle of two (22) restriction bases (2) of butt face is 90, it is provided with clamp splice (3) to slide on bottom plate (20), frame (1) is equipped with orders about the gliding driving source of clamp splice (3), clamp splice (3) are located bottom plate (20) and deviate from outside the tip of articulated shaft (23), the slip direction of clamp splice (3) is towards articulated shaft (23), clamp splice (3) are used for pressing from both sides tight work piece with butt face (21) cooperation.

2. A milling machine for double-sided machining according to claim 1, characterized in that: a sliding hole (24) is formed in the end, away from the hinge shaft (23), of the bottom plate (20), a plunger rod (31) is fixed to the clamping block (3), the plunger rod (31) is arranged in the sliding hole (24) in a sliding mode and is sealed with the sliding hole (24) in a sliding mode, and an oil hole (25) communicated with the sliding hole (24) is formed in the outer wall of the bottom plate (20); the driving source comprises an oil tank (41) and a hydraulic pump (42), the two ends of the hydraulic pump (42) are respectively connected with the oil tank (41) and the oil hole (25) through pipelines, and the hydraulic pump (42) is used for controlling the hydraulic oil in the oil tank (41) to enter and exit the oil hole (25).

3. A milling machine for double-sided machining according to claim 1, characterized in that: be equipped with leading truck (5) on workstation (11), leading truck (5) are located bottom plate (20) and deviate from the outside of articulated shaft (23), leading truck (5) are equipped with the spigot surface towards bottom plate (20), the spigot surface is used for contacting clamp splice (3), clamp splice (3) are equipped with arc surface (32) that are used for contacting the spigot surface towards the bottom edge of leading truck (5), work as when clamp splice (3) are to the direction removal of keeping away from articulated shaft (23), arc surface (32) butt spigot surface makes base (2) turned angle.

4. A double-sided machining milling machine according to claim 3, characterized in that: the guide surface comprises a first guide surface (51) positioned at the bottom, and the first guide surface (51) is obliquely upward.

5. A milling machine for double-sided machining according to claim 4, characterized in that: the guide surface further comprises a second guide surface (52) positioned above the first guide surface (51), and the second guide surface (52) is a vertical surface.

6. A milling machine for double-sided machining according to claim 5, characterized in that: the guide surface further comprises a third guide surface (53) positioned above the second guide surface (52), the third guide surface (53) is inclined downwards, and the hinge shaft (23) is positioned below the normal of the third guide surface (53).

7. A double-sided machining milling machine according to claim 3, characterized in that: when the clamping block (3) contacts the top edge of the guide surface through the arc surface (32), the included angle between the second abutting surface (22) and the top surface of the workbench (11) is 45 degrees.

8. A milling machine for double-sided machining according to claim 1, characterized in that: workstation (11) top surface is equipped with caulking groove (111), the cell wall that caulking groove (111) are close to articulated shaft (23) direction is equipped with locked groove (112), clamp splice (3) are equipped with locking piece (33) that are used for inserting locked groove (112), work as during the mesa of butt face two (22) laminating workstation (11), clamp splice (3) can make locking piece (33) insert locked groove (112) through sliding.

9. A milling machine for double-sided machining according to claim 1, characterized in that: the slide includes that slide one (12), the slide that sets up on slide one (12) along the horizontal direction slip set up in slide two (13) on frame (1), the slip direction of slide two (13) is perpendicular with the slip direction of slide one (12), unit head (14) are located slide two (13).