CN217223777U - Milling fixture - Google Patents

Abstract

The utility model belongs to the technical field of the machining technique and specifically relates to a milling fixture is related to, and it includes base, rotor plate, drive assembly, fixed plate and centre gripping subassembly, the rotor plate sets up on the base, the articulated setting of fixed plate is on the rotor plate, drive assembly is used for driving the fixed plate and rotates and fix to the position after rotating along the articulated axis of fixed plate and rotor plate, the centre gripping subassembly sets up on the fixed plate and is used for the centre gripping work piece. This application has the effect that conveniently mills equipment and mill and promote milling efficiency to the work piece.

Description

Milling fixture

Technical Field

The application relates to the technical field of machining, in particular to a milling clamp.

Background

The clamp is a device which is used for fixing a processing object in the mechanical manufacturing process to enable the processing object to occupy a correct position so as to receive construction or detection, and is also called as a clamp; in a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig.

At present, as the chinese patent document of patent granted publication No. CN208451146U, it discloses a numerical control milling pneumatic combination fixture for profile parts, which is formed by combining a plurality of milling units, each milling unit includes a base, a pneumatic clamping device, a sliding positioning plate, a fixed positioning plate and a pneumatic control system, the pneumatic clamping device and the sliding positioning plate are fixedly connected and fixed on one side of the base together, the fixed positioning plate is fixed on one side opposite to the sliding positioning plate on the base, a workpiece is placed between the fixed positioning plate and the sliding positioning plate, the pneumatic control system drives the pneumatic clamping device to push the sliding positioning plate to clamp the workpiece, a worker fixes the fixture on a workbench of the milling equipment, starts the milling equipment to operate, and mills the workpiece on the fixture through a cutter head on the milling equipment.

The related art described above has the following drawbacks: due to the diversity of market demands, workpieces on different inclined planes can be milled frequently, and when the clamp is used for polishing the workpieces, the position of the workpiece needs to be manually adjusted without stopping by manpower, so that the working efficiency is greatly reduced.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the milling equipment to mill the work piece and promote milling efficiency, the application provides the milling anchor clamps.

The application provides a milling anchor clamps adopts following technical scheme:

the utility model provides a milling fixture, includes base, rotor plate, drive assembly, fixed plate and centre gripping subassembly, the rotor plate sets up on the base, the fixed plate is articulated to be set up on the rotor plate, drive assembly is used for driving the fixed plate and rotates and fix to the position after the rotation along the articulated axis of fixed plate and rotor plate, the centre gripping subassembly sets up on the fixed plate and is used for the centre gripping work piece.

By adopting the technical scheme, after the clamping assembly clamps the workpiece, the driving assembly drives the fixing plate to rotate along the hinged axis of the fixing plate and the rotating plate, and meanwhile, the angle of the workpiece on the fixing plate can be adjusted by fixing the fixing plate to the position after rotation, so that the requirements for milling different milling inclined planes of the workpiece are met, the clamping position of the clamping assembly on the workpiece does not need to be manually adjusted, and the milling efficiency is improved.

Optionally, drive assembly includes first worm wheel, first worm and first motor, the fixed fixing base that is provided with of diapire of fixed plate, the fixed connecting plate that is provided with in both sides that just is located the fixing base on the rotor plate, rotate on the connecting plate and wear to be equipped with the dwang, dwang and fixing base fixed connection, the coaxial fixed setting of first worm wheel is on the dwang, the first motor is fixed to be set up on the rotor plate, the coaxial fixed setting of first worm is in the axis of rotation of first motor, first worm wheel and first worm intermeshing.

Through adopting above-mentioned technical scheme, start first motor and drive first worm and rotate to the axis of rotation of dwang is followed to first worm wheel of drive, dwang, fixing base and fixed plate and rotates, just can adjust the fixed plate along dwang pivoted turned angle, and because first worm wheel and first worm have self-locking function, when first motor stall, can be with the rigidity of fixed plate, regulation fixed plate that like this can be comparatively convenient is along dwang pivoted angle.

Optionally, the clamping assembly comprises a clamping plate, a butt plate and a driving piece, the clamping plate is fixedly arranged on one side of the fixing plate, the butt plate is arranged on the fixing plate in a sliding mode, the butt plate and the clamping plate are arranged in parallel, and the driving piece is used for driving the butt plate to be far away from or close to the clamping plate and fixing the butt plate to a position after moving.

Through adopting above-mentioned technical scheme, keep away from or be close to the grip block and fix to the position after removing at driving piece drive butt joint board, can the work piece loosen work piece or centre gripping work piece, come the centre gripping work piece through butt joint board and grip block, the centre gripping is comparatively convenient and convenient.

Optionally, the driving member includes a screw, a slider, and a driving motor, a chute is formed in the fixing plate, the chute is perpendicular to the clamping plate, the screw is rotatably connected in the chute along a length direction of the chute, the slider is slidably connected in the chute, the slider is screwed on the screw, the abutting plate is fixedly connected to the slider, and the driving motor is fixedly disposed on the fixing plate and used for driving the screw to rotate.

Through adopting above-mentioned technical scheme, start driving motor drive lead screw and rotate to drive the slider of threaded connection on the lead screw and remove along the length direction of spout, just can drive fixed connection and keep away from or be close to the grip block on the slider, wherein the spout can play the effect of location and direction to slider and grip block, and the rotation that stops driving motor can fix the position of slider and butt plate, the transmission precision height and the motion of lead screw and slider are steady simultaneously, effectual to the centre gripping of work piece.

Optionally, the limiting groove has been seted up to the both sides of fixed plate, the limiting groove is parallel to each other with the spout, the fixed stopper that is provided with in both sides of butt joint board, stopper sliding connection is at the limiting groove.

Through adopting above-mentioned technical scheme, when stopper on the butt plate slides along the spacing groove, can play direction and spacing effect to the butt plate, promote the stability of butt plate simultaneously.

Optionally, the rotating assembly is further included, the rotating plate is located above the base, a rotating rod is fixedly arranged on the bottom wall of the rotating plate and is rotatably arranged on the base, and the rotating assembly is used for driving the rotating plate to rotate and fixing the rotating plate to a position after rotation.

Through adopting above-mentioned technical scheme, when the runner assembly drive rotor plate rotates and fixes the rotor plate to rotating the back position, the work piece also can be along with the rotor plate is rotatory, and the position of work piece on the fixed plate will adjust thereupon, just can satisfy the milling requirement to the different angles of work piece, and the staff's operation of being convenient for simultaneously promotes work efficiency.

Optionally, the rotating assembly includes a second worm wheel, a second worm and a second motor, the second worm wheel is coaxially and fixedly sleeved on the rotating rod, the second motor is fixedly arranged on the base, the second worm is coaxially and fixedly arranged on a rotating shaft of the second motor, and the second worm wheel and the second worm are meshed with each other.

Through adopting above-mentioned technical scheme, start the second motor and drive the second worm and rotate to drive second worm wheel, bull stick and rotor plate and rotate, because second worm and second worm wheel have self-locking function, when stopping the rotation of second motor, can fix the turned position of rotor plate, it is simple and convenient that the operation is got up, and it is also comparatively convenient to control the rotation of rotor plate.

Optionally, the bottom wall of the rotating plate is fixedly provided with a supporting rod, the supporting rod is provided with a plurality of supporting rods along the circumferential direction of the rotating plate, one side of the supporting rod, which is close to the base, is embedded with a ball, and the ball rolls and abuts against the base.

Through adopting above-mentioned technical scheme, the bracing piece can play the effect of support to the rotor plate, promotes the stability of rotor plate, and the rotation of bracing piece bottom inlays the ball of establishing and can reduce the friction with the base, and the rotor plate of being convenient for rotates.

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

after the clamping assembly clamps the workpiece, the driving assembly drives the fixed plate to rotate along the hinge axis of the fixed plate and the rotating plate, and the fixed plate is fixed to the rotated position, so that the angle of the workpiece on the fixed plate can be adjusted to meet the requirements of milling different milling inclined planes of the workpiece, the clamping position of the clamping assembly on the workpiece does not need to be manually adjusted, and the milling efficiency is improved;

when the rotating assembly drives the rotating plate to rotate and fixes the rotating plate to the rotated position, the workpiece can also rotate along with the rotating plate, and the position of the workpiece on the fixing plate can be adjusted accordingly, so that the milling requirements of different angles of the workpiece can be met, meanwhile, the operation of workers is facilitated, and the working efficiency is improved;

the bracing piece can play the effect of support to the rotor plate, promotes the stability of rotor plate, and the ball that the rotation of bracing piece bottom was inlayed and is established can reduce the friction with the base, and the rotor plate of being convenient for rotates.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 2 is an exploded view of the present application showing the drive assembly, clamping assembly, and rotating assembly.

Description of the reference numerals: 1. a base; 10. a through hole; 11. a bearing; 12. a second support plate; 2. a rotating plate; 21. a connecting plate; 22. rotating the rod; 23. a rotating rod; 24. a first support plate; 3. a drive assembly; 31. a first worm gear; 32. a first worm; 33. a first motor; 4. a fixing plate; 41. a fixed seat; 42. a chute; 43. a limiting groove; 5. a clamping assembly; 51. a clamping plate; 52. a butt joint plate; 521. a limiting block; 6. a drive member; 61. a lead screw; 62. a slider; 63. a drive motor; 7. a rotating assembly; 71. a second worm gear; 72. a second worm; 73. a second motor; 8. a support bar; 81. a ball bearing; 9. and (7) a rubber pad.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a milling anchor clamps. Referring to fig. 1, a milling anchor clamps, including base 1, rotor plate 2, drive assembly 3, fixed plate 4, centre gripping subassembly 5 and rotor assembly 7, the through-hole 10 that supplies the bolt to pass is seted up in base 1's four corners, so as to install on milling equipment, rotor plate 2 is located base 1's top, fixed welding has bull stick 23 on rotor plate 2's the diapire, bull stick 23 is vertical setting, it is equipped with bearing 11 to inlay on the base 1, bearing 11's outer loop fixed welding is on base 1, bearing 11's inner ring cover is established and is welded on bull stick 23, wherein drive assembly 3 is used for driving fixed plate 4 and rotates and fix to the position after the rotation along the articulated axis of fixed plate 4 with rotor plate 2, centre gripping subassembly 5 sets up on fixed plate 4 and is used for the centre gripping work piece, rotor assembly 7 is used for driving rotor plate 2 to rotate and fix rotor plate 2 to the position after the rotation.

Referring to fig. 1 and 2, in order to drive the fixed plate 4 to rotate, the driving assembly 3 includes a first worm wheel 31, a first worm 32 and a first motor 33, a fixed seat 41 is fixedly welded to a bottom wall of the fixed plate 4, connecting plates 21 are fixedly welded to top walls of the rotating plates 2 and located on two sides of the fixed seat 41, rotating rods 22 are rotatably inserted into the connecting plates 21, axes of the rotating rods 22 are parallel to the base 1 and the rotating plates 2, the rotating rods 22 are fixedly welded to the fixed seat 41, the first worm wheel 31 is coaxially and fixedly welded to the rotating rods 22, a first support plate 24 is fixedly welded to the rotating plates 2, the first motor 33 is fixedly installed on the first support plate 24, the first worm 32 is coaxially and fixedly welded to a rotating shaft of the first motor 33, the first worm wheel 31 is meshed with the first worm 32, and the rotation of the first motor 33 can drive the first worm 32 to rotate and drive the first worm wheel 31, the first worm 32, the first worm wheel 31, the second worm 2, and the second motor 33, The pivot lever 22 and the fixed plate 4 pivot.

Referring to fig. 2, in order to conveniently clamp a workpiece, the clamping assembly 5 includes a clamping plate 51, an abutting plate 52 and a driving member 6, the clamping plate 51 is fixedly welded on one side of the fixing plate 4, the abutting plate 52 and the clamping plate 51 are arranged in parallel, rubber pads 9 are bonded on the surfaces of the clamping plate 51 close to the abutting plate 52 through glue, the driving member 6 is used for driving the abutting plate 52 to be far away from or close to the clamping plate 51 and fixed to the moved position, the driving member 6 includes a lead screw 61, a sliding block 62 and a driving motor 63, a sliding groove 42 is formed in the fixing plate 4, the cross-sectional shape of the sliding groove 42 is square, in other embodiments, the shape of the sliding groove 42 can be a dovetail shape, the sliding groove 42 is perpendicular to the clamping plate 51, the lead screw 61 is rotatably connected in the sliding groove 42 along the length direction of the sliding groove 42, the sliding block 62 is slidably connected in the sliding groove 42, and the sliding block 62 is threadedly sleeved on the lead screw 61, the abutting plate 52 is fixedly welded with the sliding block 62, the two sides of the fixing plate 4 are provided with limiting grooves 43, the cross section of each limiting groove 43 is square, in other embodiments, the cross-sectional shape of the limiting groove 43 can be a dovetail shape, the limiting groove 43 and the sliding groove 42 are parallel to each other, the limiting blocks 521 are fixedly welded on two sides of the abutting plate 52, the limiting blocks 521 are slidably connected in the limiting groove 43, the driving motor 63 is fixedly installed on the fixing plate 4, the rotating shaft of the driving motor 63 is coaxially and fixedly welded with the lead screw 61, when a workpiece needs to be clamped, the driving motor 63 is started to drive the screw rod 61 to rotate, so as to drive the sliding block 62 which is in threaded connection with the screw rod 61 to move along the length direction of the sliding groove 42, and then the abutting plate 52 which is fixedly connected to the sliding block 62 can be driven to be far away from or close to the clamping plate 51 and clamp the workpiece, and in other implementations, the driving element 6 can directly drive the abutting plate 52 to move by using the air cylinder.

Referring to fig. 2, in order to drive the rotating plate 2 to rotate, the rotating assembly 7 includes a second worm wheel 71, a second worm 72 and a second motor 73, the second worm wheel 71 is coaxially and fixedly sleeved on the rotating rod 23, the base 1 is fixedly welded with the second support plate 12, the second motor 73 is fixedly installed on the second support plate 12, the second worm 72 is coaxially and fixedly welded on a rotating shaft of the second motor 73, the second worm wheel 71 and the second worm 72 are engaged with each other, in other implementations, the rotating assembly 7 may use an air cylinder, a rack and a gear, the rack and the gear are engaged with each other, the gear is coaxially and fixedly welded on the rotating rod 23, the air cylinder drives the rack to move, and the rack drives the gear to rotate, so as to drive the rotating plate 2 to rotate.

Referring to fig. 2, the fixed welding of diapire of rotor plate 2 has bracing piece 8, and the even welding of bracing piece 8 along the circumference of rotor plate 2 has four, and bracing piece 8 is vertical setting, and one side that bracing piece 8 is close to base 1 is rotated and is inlayed and be equipped with ball 81, and ball 81 rolls the butt on base 1, and bracing piece 8 can play the effect of support to rotor plate 2, promotes the stability of rotor plate 2, and ball 81 can make things convenient for rotor plate 2 to rotate.

The implementation principle of the milling fixture in the embodiment of the application is as follows: firstly, a workpiece is placed between the clamping plate 51 and the abutting plate 52, the driving motor 63 is started to drive the abutting plate 52 to move and clamp the workpiece, the second motor 73 is started to drive the second worm 72 to rotate, so that the second worm wheel 71, the rotating rod 23 and the rotating plate 2 are driven to rotate, the workpiece can also rotate along with the rotating plate 2, the workpiece is adjusted to a proper position, then the first motor 33 is started to drive the first worm 32 to rotate, and the first worm wheel 31, the rotating rod 22, the fixed seat 41 and the fixed plate 4 are driven to rotate along the rotating axis of the rotating rod 22, so that the rotating angle of the fixed plate 4 rotating along the rotating rod 22 is adjusted, the workpiece is finally adjusted to a proper angle, the milling requirements on different milling inclined planes on the workpiece can be met, and the milling efficiency is improved.

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 (8)

1. A milling anchor clamps which characterized in that: including base (1), rotor plate (2), drive assembly (3), fixed plate (4) and centre gripping subassembly (5), rotor plate (2) set up on base (1), fixed plate (4) are articulated to be set up on rotor plate (2), drive assembly (3) are used for driving fixed plate (4) to rotate and fix to the position after rotating along the articulated axis of fixed plate (4) and rotor plate (2), centre gripping subassembly (5) set up on fixed plate (4) and are used for the centre gripping work piece.

2. A milling fixture as recited in claim 1, wherein: drive assembly (3) include first worm wheel (31), first worm (32) and first motor (33), the fixed fixing base (41) that is provided with of diapire of fixed plate (4), the fixed connecting plate (21) that is provided with in both sides that just is located fixing base (41) on rotor plate (2), it wears to be equipped with dwang (22) to rotate on connecting plate (21), dwang (22) and fixing base (41) fixed connection, first worm wheel (31) coaxial fixed sets up on dwang (22), first motor (33) is fixed to be set up on rotor plate (2), first worm (32) coaxial fixed sets up in the axis of rotation of first motor (33), first worm wheel (31) and first worm (32) intermeshing.

3. A milling fixture as recited in claim 1, wherein: centre gripping subassembly (5) include grip block (51), butt plate (52) and driving piece (6), grip block (51) are fixed to be set up in one side of fixed plate (4), butt plate (52) slide to be set up on fixed plate (4), butt plate (52) and grip block (51) parallel arrangement each other, driving piece (6) are used for driving butt plate (52) to keep away from or be close to grip block (51) and fix to the position after the removal.

4. A milling fixture as claimed in claim 3, wherein: the driving piece (6) comprises a lead screw (61), a sliding block (62) and a driving motor (63), a sliding groove (42) is formed in the fixing plate (4), the sliding groove (42) is perpendicular to the clamping plate (51), the lead screw (61) is connected in the sliding groove (42) in a rotating mode along the length direction of the sliding groove (42), the sliding block (62) is connected in the sliding groove (42) in a sliding mode, the sliding block (62) is arranged on the lead screw (61) in a threaded sleeve mode, the butt joint plate (52) is fixedly connected with the sliding block (62), and the driving motor (63) is fixedly arranged on the fixing plate (4) and used for driving the lead screw (61) to rotate.

5. A milling fixture as claimed in claim 4, wherein: limiting grooves (43) are formed in two sides of the fixing plate (4), the limiting grooves (43) are parallel to the sliding grooves (42), limiting blocks (521) are fixedly arranged on two sides of the abutting plate (52), and the limiting blocks (521) are connected in the limiting grooves (43) in a sliding mode.

6. A milling fixture as recited in claim 1, wherein: still include runner assembly (7), rotor plate (2) are located the top of base (1), the fixed bull stick (23) that is provided with on the diapire of rotor plate (2), bull stick (23) rotate and set up on base (1), runner assembly (7) are used for driving rotor plate (2) to rotate and fix rotor plate (2) to the position after the rotation.

7. A milling fixture as claimed in claim 6, wherein: rotating assembly (7) include second worm wheel (71), second worm (72) and second motor (73), the coaxial fixed cover of second worm wheel (71) is established on bull stick (23), second motor (73) is fixed to be set up on base (1), the coaxial fixed setting of second worm (72) is in the axis of rotation of second motor (73), second worm wheel (71) and second worm (72) intermeshing.

8. A milling fixture as claimed in claim 7, wherein: the fixed bracing piece (8) that is provided with of diapire of rotor plate (2), bracing piece (8) are provided with many along the circumference of rotor plate (2), one side that bracing piece (8) are close to base (1) is inlayed and is equipped with ball (81), ball (81) roll butt is on base (1).

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