CN210615847U

CN210615847U - Milling machine fixture

Info

Publication number: CN210615847U
Application number: CN201921540169.0U
Authority: CN
Inventors: 范啸峰; 孙芳萍; 朱锡丹; 汪平
Original assignee: Hangzhou Lin'an Xiongfeng Machinery Co Ltd
Current assignee: Hangzhou Lin'an Xiongfeng Machinery Co Ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-05-26
Anticipated expiration: 2029-09-16

Abstract

The utility model provides a milling machine fixture, includes the mount table, has seted up the spout along its length direction on the mount table, and sliding connection has two centre gripping cushion blocks on the spout, and it has two centre gripping subassemblies to go back sliding connection in the spout, and two centre gripping subassemblies lie in the outside of two centre gripping cushion blocks, and the centre gripping subassembly includes sliding connection in the vertical screw rod of spout, the holder and the nut of threaded connection in the screw rod tip that the screw rod was located to the cover. When clamping a workpiece, the workpiece is placed on the two clamping cushion blocks, the clamping piece is abutted to the upper surface of the workpiece, the nut is screwed, the workpiece is clamped between the clamping piece and the clamping cushion blocks, and the workpiece is placed on the clamping cushion blocks, so that a certain gap exists between the lower surface of the workpiece and the mounting table, the workpiece does not abut against the mounting table, and therefore when the through hole is machined, the cutter cannot contact with the mounting table after penetrating out of the lower surface of the workpiece, and cannot damage the mounting table.

Description

Milling machine fixture

Technical Field

The utility model relates to a casting auxiliary assembly, concretely relates to milling machine fixture.

Background

The milling machine mainly refers to a machine tool for processing various surfaces by using a milling cutter, and when a workpiece is processed by using the milling machine, the workpiece needs to be fixed on the milling machine, so that a milling machine clamp needs to be installed on the milling machine.

However, most of the existing clamps are directly mounted on a mounting table of a milling machine, and when a workpiece needs to be processed into a through hole, the workpiece directly contacts with the mounting table, so that a cutter is easy to contact with the mounting table during processing, and the mounting table is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a add not fragile mount table's of man-hour milling machine fixture.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a milling machine fixture, includes the mount table, has seted up the spout along its length direction on the mount table, sliding connection has two centre gripping cushion blocks on the spout, direction is seted up to centre gripping cushion block length direction perpendicular to spout, it has two centre gripping subassemblies to go back sliding connection in the spout, two centre gripping subassemblies are located the outside of two centre gripping cushion blocks, the centre gripping subassembly includes sliding connection in the screw rod of the vertical setting of spout, the cover is located on the screw rod and by the holder and the nut of threaded connection in the screw rod tip that the screw rod passed.

Through the technical scheme, when a workpiece is clamped, the workpiece is placed on the two clamping cushion blocks, the clamping piece is abutted to the upper surface of the workpiece, and the nut is screwed down to clamp the workpiece between the clamping piece and the clamping cushion blocks. Because the work piece is placed on the centre gripping cushion, consequently there is certain clearance between the lower surface of work piece and the mount table, the work piece does not offset with the mount table, so when processing the through-hole, the cutter is difficult for contacting with the mount table after wearing out the work piece lower surface, is difficult for causing the damage to the mount table. In addition, the clamping cushion blocks and the clamping assembly can slide along the sliding grooves, and the distance between the clamping cushion blocks can be freely adjusted, so that the clamping cushion blocks can be adjusted according to the size of a workpiece and requirements, the clamping cushion block is suitable for machining workpieces of various sizes, and the clamping cushion block is wide in applicability.

The utility model discloses further set up to: the spout is along mount table width direction parallel arrangement two, and centre gripping cushion and two spouts are sliding connection, have seted up the standing groove along its width direction in two centre gripping cushion intermediate position, and the carriage is equipped with the locating plate between two standing grooves, and the centre gripping subassembly of two centre gripping cushions and both sides forms the centre gripping unit, and the centre gripping unit is equipped with two and is located the locating plate both sides respectively, and two centre gripping units are the symmetry setting for the locating plate.

Through the technical scheme, the clamping cushion blocks on the two sides of the positioning plate can be used for placing the workpieces to clamp the workpieces fixedly, and the two workpieces can be continuously processed through one-time clamping operation, so that the efficiency is improved. When two workpieces are placed at the same time for processing, the two workpieces are abutted against the positioning plate, so that the positions of the workpieces can be symmetrical relative to the positioning plate, the blade only needs to move straightly to move, the workpieces do not need to be repositioned during processing, and the operation is convenient.

The utility model discloses further set up to: and two leveling plates are fixed on the upper surface of one clamping cushion block along the length direction of the clamping cushion block, and are respectively positioned on two sides of the positioning plate.

Through the technical scheme, when the workpieces are placed on the two sides of the positioning plate, one side edge of each workpiece is abutted to the positioning plate, and the other side edge of each workpiece is abutted to the leveling plate.

The utility model discloses further set up to: still sliding connection has the auxiliary assembly in the spout of keeping away from centre gripping cushion one side at two centre gripping subassemblies, and the auxiliary assembly is including installation piece, heightening screw rod and backing plate, and installation piece sliding connection is in the spout, and heightening screw rod sets up along vertical direction, heightens screw rod threaded connection in installation piece, and the backing plate is fixed in the one end that the installation piece was kept away from to heightening screw rod.

Through the technical scheme, when the clamping assembly is used for clamping a workpiece, the screw rod is firstly rotated to be heightened, so that the heights of the upper surface of the base plate and the upper surface of the workpiece are the same, one end, away from the workpiece, of the clamping piece is placed on the base plate during clamping, the nut is screwed tightly to clamp the clamping piece, and due to the supporting effect of the base plate on the clamping piece, the clamping piece cannot incline during clamping, so that clamping is more stable and firmer.

The utility model discloses further set up to: a strip-shaped through groove is formed in the clamping piece along the length direction of the clamping piece, and the screw rod penetrates through the through groove and is connected to the through groove in a sliding mode.

Through above-mentioned technical scheme, the screw rod can slide in leading to the groove, and the holder can utilize to lead to the groove and adjust to the position of suitable centre gripping, can be suitable for the centre gripping of the work piece of various shapes, has wider suitability.

The utility model discloses further set up to: the screw rod is sleeved with a resisting piece, and the resisting piece is positioned between the nut and the clamping piece.

Through above-mentioned technical scheme, add between nut and holder and establish the piece that supports, the nut has increased the application of force area of nut to the holder when the centre gripping, has bigger frictional force, can prevent that the screw rod from taking place relative slip in leading to the groove.

The utility model discloses further set up to: still the cover is equipped with the spring on the screw rod of holder lower extreme, and the mount table and holder are supported respectively to the spring both ends.

Through above-mentioned technical scheme, accomplish the centre gripping when the holder, when the nut loosens, the holder can be by jack-up upwards under the elasticity of spring, can make things convenient for taking out of work piece and putting into of new work piece.

The utility model discloses further set up to: the sliding groove is provided with a plurality of sliding grooves at equal intervals along the width direction of the mounting table.

Through above-mentioned technical scheme, to different work pieces, with centre gripping subassembly installation in suitable spout, conveniently adjust the relative position between centre gripping subassembly and the centre gripping cushion, can satisfy the centre gripping demand of the work piece of different shape sizes, have wider suitability.

To sum up, the utility model discloses following beneficial effect has:

1. when the through hole is processed, the cutter cannot contact the mounting table, so that the mounting table is prevented from being damaged;

2. the double-side clamping can be realized, the efficiency is higher, and the positioning between the two workpieces is convenient;

3. the relative positions of the clamping assembly and the clamping cushion block and the position of the clamping piece on the screw rod can be freely adjusted, so that the clamping device can meet the value requirements of different workpieces;

4. the clamping force is strong, the clamping effect is stable, and the workpiece can be conveniently taken out and put in.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic view of a clamping pad;

FIG. 3 is a schematic view of a clamping assembly;

fig. 4 is a schematic structural view of the auxiliary assembly.

In the figure, 10, a mounting table; 11. a chute; 20. clamping the cushion block; 21. positioning a plate; 22. leveling; 30. a clamping assembly; 31. a screw; 32. a clamping member; 33. a nut; 34. a through groove; 35. a resisting sheet; 36. a spring; 40. an auxiliary component; 41. mounting blocks; 42. adjusting the height of the screw rod; 43. a backing plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to FIG. 1, a milling jig includes a mounting block 10, a clamp block 20, and a clamp assembly 30. The mounting table 10 is provided with T-shaped sliding grooves 11 along the length direction of the mounting table, two ends of each sliding groove 11 are communicated with two side walls of the mounting table 10, and the sliding grooves 11 are arranged in the width direction of the mounting table 10 at equal intervals. The clamping cushion block 20 is slidably connected to the two sliding grooves 11, and the length direction of the clamping cushion block 20 is perpendicular to the opening direction of the sliding grooves 11. The clamping assembly 30 is slidably connected in the slide groove 11 outside the two clamping blocks 20.

According to the structure, during clamping, a workpiece is placed on the clamping cushion block 20, the clamping assembly 30 is used for clamping two ends of the workpiece, the part of the workpiece to be machined is in direct contact with the installation table 10, and the cutter is prevented from damaging the installation table 10 during machining.

Referring to fig. 1 and 3, the clamping assembly 30 includes a screw 31, a clamping member 32 and a nut 33, the screw 31 is slidably connected to the chute 11, a through groove 34 is formed on the clamping member 32 along the length direction thereof, the screw 31 is inserted into the through groove 34, and the nut 33 is threadedly connected to one end of the screw 31 penetrating through the through groove 34. A spring 36 is fitted over the screw 31 below the clamp 32, and both ends of the spring 36 are compressed and abutted against the mount table 10 and the clamp 32. The screw 31 between the clamping piece 32 and the nut 33 is also sleeved with a resisting piece 35, and the width of the resisting piece 35 is larger than that of the through groove 34. Referring to fig. 1 and 4, an auxiliary assembly 40 is further connected in the sliding groove 11 on the side of the clamping assembly 30 far from the clamping cushion block 20 in a sliding manner, the auxiliary assembly 40 includes an installation block 41, a height-adjusting screw rod 42 and a backing plate 43, the installation block 41 is connected in the sliding groove 11 in a sliding manner, a screw hole is formed in the installation block 41, the height-adjusting screw rod 42 is connected in the installation block 41 in a threaded manner, and the backing plate 43 is fixed at one end of the height-adjusting screw rod 42 far from the installation block 41. The two clamping blocks 20 and the clamping assemblies 30 on both sides form a clamping unit, and the clamping unit further comprises an auxiliary assembly 40.

In the structure, when a workpiece needs to be clamped, the workpiece is placed between the clamping cushion block 20 and the clamping piece 32, the heightening screw 42 is rotated to enable the height of the upper surface of the backing plate 43 to be the same as that of the upper surface of the workpiece, then the relative position of the clamping piece 32 and the screw 31 is adjusted through the through groove 34, one end of the clamping piece 32 is abutted to the part of the workpiece needing to be clamped, the other end of the clamping piece 32 is abutted to the upper surface of the backing plate 43, the nut 33 is screwed, the clamping piece 32 is abutted to the workpiece and the backing plate 43, and the workpiece is.

Referring to fig. 1 and 2, a holding groove is formed in the middle of each of the two clamping pads 20, a positioning plate 21 is further slidably disposed between the two holding grooves, and the positioning plate 21 protrudes from the surface of each clamping pad 20. Clamping units are arranged on two sides of the positioning plate 21, and the two clamping units are symmetrically arranged relative to the positioning plate 21. A leveling plate 22 is fixed on the upper surface of one of the clamping cushion blocks 20 along the length direction, the leveling plates 22 are arranged on the clamping cushion blocks 20 at the two sides of the positioning plate 21, and the two leveling plates 22 are symmetrical relative to the positioning plate 21.

In the structure, the clamping cushion blocks 20 on the two sides of the positioning plate 21 can be used for holding and fixing workpieces, and two workpieces can be continuously processed through one-time clamping operation. When two workpieces are placed at the same time for processing, two adjacent sides of the workpieces are respectively abutted against the positioning plate 21 and the leveling plate 22, so that the two workpieces can be adjusted to be symmetrical, and the processing of a machine tool is facilitated.

The implementation principle of the embodiment is as follows:

1. placing two workpieces on the clamping cushion blocks 20 on two sides of the positioning plate 21 respectively, and enabling two adjacent sides of the workpieces to abut against the positioning plate 21 and the leveling plate 22 respectively to place and position the workpieces;

2. after the positioning is finished, the height of each height-adjusting screw 42 is adjusted in a rotating mode, so that the height of the upper surface of the backing plate 43 is the same as the height of the surface of the corresponding clamping point;

3. the relative positions of the clamping piece 32 and the screw 31 are adjusted through the through groove 34, so that one end of the clamping piece 32 is abutted against the part of the workpiece needing to be clamped, and the other end of the clamping piece 32 is abutted against the upper surface of the backing plate 43;

4. the nut 33 is tightened to clamp the clamp 32 to the workpiece and the surface of the pad 43, thus completing the entire clamping process.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A milling machine fixture comprising a mounting table (10), characterized in that: the mounting table comprises a mounting table (10), a sliding groove (11) is formed in the mounting table along the length direction of the mounting table, two clamping cushion blocks (20) are connected to the sliding groove (11) in a sliding mode, the length direction of each clamping cushion block (20) is perpendicular to the sliding groove (11) in the opening direction, two clamping assemblies (30) are connected to the sliding groove (11) in the sliding mode in a sliding mode, the two clamping assemblies (30) are located on the outer sides of the two clamping cushion blocks (20), each clamping assembly (30) comprises a screw rod (31) which is connected to the sliding groove (11) in a sliding mode, clamping pieces (32) which are sleeved on the screw rods (31) and are penetrated by the screw rods (31) and nuts (33).

2. A milling machine fixture according to claim 1, wherein: the sliding grooves (11) are arranged in parallel along the width direction of the mounting table (10), the clamping cushion blocks (20) and the two sliding grooves (11) are connected in a sliding mode, the same positions in the middle of the two clamping cushion blocks (20) are provided with placing grooves along the width direction of the clamping cushion blocks, the sliding frame is provided with a positioning plate (21) between the two placing grooves, the two clamping cushion blocks (20) and clamping assemblies (30) on two sides form clamping units, the clamping units are provided with two clamping units which are respectively located on two sides of the positioning plate (21), and the two clamping units are symmetrically arranged relative to the positioning plate (21).

3. A milling machine fixture according to claim 2, wherein: the upper surface of one clamping cushion block (20) is fixedly provided with two leveling plates (22) along the length direction, and the two leveling plates (22) are respectively positioned at two sides of the positioning plate (21).

4. A milling machine fixture according to claim 1, wherein: still sliding connection has auxiliary assembly (40) in spout (11) of keeping away from centre gripping cushion (20) one side in two centre gripping subassemblies (30), auxiliary assembly (40) are including installing piece (41), heighten screw rod (42) and backing plate (43), install piece (41) sliding connection in spout (11), heighten screw rod (42) and set up along vertical direction, heighten screw rod (42) threaded connection in installing piece (41), backing plate (43) are fixed in and heighten screw rod (42) and keep away from the one end of installing piece (41).

5. A milling machine fixture according to claim 1, wherein: a strip-shaped through groove (34) is formed in the clamping piece (32) along the length direction of the clamping piece, and the screw rod (31) penetrates through the through groove (34) and is connected to the through groove (34) in a sliding mode.

6. A milling machine fixture according to claim 5, wherein: the screw rod (31) is sleeved with a resisting sheet (35), and the resisting sheet (35) is positioned between the nut (33) and the clamping piece (32).

7. A milling machine fixture according to claim 1, wherein: a spring (36) is further sleeved on the screw rod (31) at the lower end of the clamping piece (32), and two ends of the spring (36) are respectively abutted to the mounting table (10) and the clamping piece (32).

8. A milling machine fixture according to claim 1, wherein: the sliding grooves (11) are equidistantly arranged along the width direction of the mounting table (10).