CN219684648U

CN219684648U - Milling machine fixture

Info

Publication number: CN219684648U
Application number: CN202320534742.7U
Authority: CN
Inventors: 朱文波; 熊耀军; 张华林
Original assignee: Changsha Yingping Intelligent Manufacturing Technology Co ltd
Current assignee: Changsha Yingping Intelligent Manufacturing Technology Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-09-15
Anticipated expiration: 2033-03-17

Abstract

The utility model discloses a milling machine fixture, which comprises a hollow clamping table, wherein sliding plates are respectively and slidably arranged on two sides of the top end of the clamping table, lifting clamping assemblies are respectively arranged on the top ends of the two sliding plates, through holes are formed in the middle of the top end of the clamping table, a placing plate is arranged in each through hole, filter screens are respectively arranged in the through holes on two sides of the placing plate, when a workpiece is clamped by the milling machine fixture, the workpiece is placed on the placing plate, the workpiece is tightly clamped by a pressing plate and a clamping block, in the clamping process, a protection pad is firstly contacted with the workpiece, the clamping block gradually approaches the workpiece under the clamping acting force, the clamping block extrudes a first spring at the moment, then the workpiece can be subjected to buffer protection under the acting force of the first spring, and the workpiece is prevented from being damaged due to overlarge clamping force of the clamping block.

Description

Milling machine fixture

Technical Field

The utility model relates to the technical field of milling machine jigs, in particular to a milling machine jig.

Background

Milling machine fixture is mainly used for processing plane, through hole, spline and various molding surfaces on the parts, and is one of the most commonly used fixtures. Mainly comprises a positioning device, a clamping device, a clamp body, a connecting element and a tool setting element. During milling, the cutting force is large, intermittent cutting and vibration are large, so that the clamping force requirement of the milling machine clamp is large, and the rigidity and strength requirements of the clamp are high.

When milling the work piece, need fix the work piece centre gripping through the anchor clamps, in anchor clamps use, if the centre gripping effort of anchor clamps is too big, then cause the centre gripping damage of work piece easily, influence the use of work piece, reduced the life of work piece, and in milling, can produce more piece, and partial piece can remain on the work piece, leads to the mess of work piece, has reduced the cleanliness when the work piece was processed.

Disclosure of Invention

According to the shortcomings of the prior art, the utility model aims to provide a milling machine fixture for solving the problems described in the background art.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a milling machine fixture, includes hollow grip block, the both sides of grip block top slidable respectively are provided with the slide, two the top of slide is provided with the clamping component of liftable respectively, the middle part on grip block top is opened and is provided with the through-hole, be provided with in the through-hole and place the board, be located place and be provided with the filter screen in the through-hole of board both sides respectively.

Preferably, the clamping assembly comprises a screw rod which is arranged at the top end of the sliding plate in a threaded manner, a pressing plate is connected to the screw rod in an external threaded manner, and a clamping block is arranged below one end of the pressing plate, which is far away from the screw rod.

Preferably, the clamping assembly is provided with a protection assembly, the protection assembly comprises a side groove arranged on the clamping block and away from one side of the screw rod, a first spring is arranged at the bottom of the side groove, a buffer plate is arranged at one end of the first spring, away from the side groove, and a protection pad is arranged at one side of the buffer plate, away from the first spring.

Preferably, a first supporting rod is arranged at the bottom of the side groove, a second supporting rod is inserted into the first supporting rod at one end far away from the side groove, and one end far away from the first supporting rod is connected with the buffer plate; the first support rod and the second support rod support the buffer plate in an auxiliary mode, and stability of the buffer plate is kept.

Preferably, the size of the buffer plate is larger than that of the side groove, a limiting block made of soft materials is arranged on one side, away from the protection pad, of the buffer plate, and the limiting block is located between the buffer plate and the clamping block; the limiting block limits the movement range of the buffer plate.

Preferably, the placing plate is provided with a vibration component, the vibration component comprises a vertical plate which is longitudinally inserted into the placing plate, the upper end of the vertical plate is provided with a vibration plate, the lower end of the vertical plate is provided with a transverse plate, the vibration plate and the transverse plate are arranged on the upper side and the lower side of the placing plate, a second spring is arranged between the placing plate and the transverse plate, one end of the second spring is connected with the placing plate, the other end of the second spring is connected with the transverse plate, and a groove matched with the vibration plate in size is formed in the position of the placing plate, which corresponds to the upper side and the lower side of the vibration plate.

Preferably, the bottom ends of the two sliding plates are respectively provided with a sliding block, both sides of the top end of the clamping table are respectively provided with a sliding groove, and the two sliding blocks are respectively arranged in the two sliding grooves in a sliding way; the sliding block drives the sliding plate to move, so that the position of the clamping assembly can be conveniently adjusted.

Preferably, screw rods are rotatably arranged in the two sliding grooves respectively, the two sliding blocks are correspondingly connected to the screw rods through threads respectively, one ends, far away from the placing plates, of the two screw rods penetrate through the side walls of the sliding grooves and extend to the outside of the clamping table, and the end parts of the two screw rods are respectively provided with a shaking handle which is positioned at the outside of the clamping table; the rotation of the screw rod provides power for the movement of the sliding block.

Preferably, a collecting box is inserted at one side of the clamping table, and the collecting box is positioned below the two filter screens.

Preferably, a bolt is arranged on the inner wall of the outer end plate of the collecting box, and a bolt hole is arranged on the clamping table at a position corresponding to the bolt; the collecting box is fixed in the clamping table through the clamping of the bolt and the bolt hole, so that the chips can be collected and treated uniformly.

Wherein, clamping assembly is used for fixed to the work piece centre gripping, and protection component carries out buffer protection to the work piece at the centre gripping in-process, reduces the centre gripping damage of work piece, and vibration assembly drives the vibration of work piece, trembles the remaining piece on the work piece off, makes things convenient for the clearance of piece to collect.

In summary, the utility model has the following beneficial technical effects:

1. when the milling machine fixture clamps a workpiece, the workpiece is placed on a placing plate, the workpiece is pressed and clamped through a pressing plate and a clamping block, in the clamping process, a protection pad is firstly in contact with the workpiece, the clamping block gradually approaches to the workpiece under the clamping acting force, the clamping block extrudes a first spring at the moment, and then the workpiece can be buffered and protected under the acting force of the first spring, so that the workpiece is prevented from being damaged due to overlarge clamping acting force of the clamping block;

2. this milling machine fixture, when the work piece is placed on placing the board, when the clamp plate compresses tightly the work piece, the clamp plate drives the vibrating plate and accomodates downwards in the recess, simultaneously the second spring is in tensile state under downward effort, will produce an upward force with the work piece tightly in the top, when milling the back of accomplishing, clamp plate and clamp splice withdraw from the work piece, at this moment under the second spring effect, drive the diaphragm and upwards move, thereby drive the vibration of vibrating plate, the vibrating plate drives the vibration of work piece promptly, shake remaining piece on the work piece off onto the filter screen, the rethread filter screen drops in the collecting box, thereby conveniently unified clearance is collected the piece, reduce the residue of piece, the cleanliness after the work piece processing has been improved.

Drawings

Fig. 1 is a schematic perspective view of the present embodiment;

FIG. 2 is a schematic perspective view of the clamping assembly in this embodiment;

fig. 3 is a schematic perspective view of a vibration assembly in the present embodiment;

fig. 4 is a schematic view showing a partial structure of the protection component in the present embodiment.

In the figure, 1, a clamping table; 2. a slide plate; 3. a clamping assembly; 31. a screw; 32. a pressing plate; 33. clamping blocks; 4. a protection component; 41. a first spring; 42. a buffer plate; 43. a protective pad; 44. a first support bar; 45. a second support bar; 46. a limiting block; 5. placing a plate; 6. a filter screen; 7. a vibration assembly; 71. a vibration plate; 72. a riser; 73. a cross plate; 74. a second spring; 8. a slide block; 9. a screw rod; 10. a collection box; 11. a bolt.

Detailed Description

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

Examples:

referring to fig. 1-4, the milling machine fixture disclosed by the utility model comprises a hollow clamping table 1, wherein sliding plates 2 are respectively slidably arranged at the left side and the right side of the top end of the clamping table 1, clamping assemblies 3 are respectively arranged at the front side and the rear side of the top ends of the two sliding plates 2 in a lifting manner, a protection assembly 4 is arranged on each clamping assembly 3, a through hole is formed in the middle of the top end of the clamping table 1, a placing plate 5 is arranged in each through hole, filter screens 6 are respectively arranged in the through holes at the left side and the right side of the placing plate 5, and a vibration assembly 7 is arranged on each placing plate 5;

the clamping assembly 3 comprises a screw rod 31 which is arranged at the top end of the sliding plate 2 in a threaded manner, a pressing plate 32 is connected to the outer thread of the screw rod 31, and a clamping block 33 is arranged below one end, far away from the screw rod 31, of the pressing plate 32;

screw rod 31 and slide plate 2's screw thread setting conveniently drives clamp plate 32's up-and-down motion, compresses tightly the work piece, and screw rod 31 and clamp plate 32's threaded connection simultaneously conveniently rotates the regulation to clamp plate 32's position, compresses tightly the back to the work piece at clamp plate 32, cooperates clamp splice 33 to carry out the interference clamp to the work piece and tightly fix, accomplishes the centre gripping of work piece.

The protection component 4 comprises a side groove arranged on the clamping block 33 and far away from one side of the screw rod 31, two first springs 41 which are distributed up and down are arranged at the bottom of the side groove, one ends of the two first springs 41 far away from the side groove are connected with a buffer plate 42, and a protection pad 43 is arranged on one side of the buffer plate 42 far away from the first springs 41;

the vibration assembly 7 comprises a vertical plate 72 longitudinally inserted in the placement plate 5, a vibration plate 71 is arranged at the upper end of the vertical plate 72, a transverse plate 73 is arranged at the lower end of the vertical plate 72, the vibration plate 71 and the transverse plate 73 are arranged on the upper side and the lower side of the placement plate 5, a second spring 74 is arranged between the placement plate 5 and the transverse plate 73, the upper end of the second spring 74 is connected with the placement plate 5, the lower end of the second spring is connected with the transverse plate 73, and grooves matched with the vibration plate 71 in size are formed in the position, corresponding to the vibration plate 71, on the placement plate 5.

In this embodiment, the workpiece is fixed by the pressing plate 32 and the clamping block 33 on the clamping assembly 3, the protection pad 43 on the clamping block 33 is firstly contacted with the workpiece in the clamping process of the clamping block 33, then under the clamping acting force, the protection pad 43 is driven to approach to one side of the clamping block 33, the protection pad 43 drives the buffer plate 42 to extrude the first spring 41, then under the acting force of the first spring 41, the workpiece can be buffered and protected, the damage to the workpiece caused by the overlarge clamping acting force of the clamping block 33 is avoided, the service life of the workpiece is prolonged, after the workpiece is processed, the pressing plate 32 and the clamping block 33 are evacuated from the workpiece, at the moment, under the action of the second spring 74, the transverse plate 73 drives the vertical plate 72 to vibrate, the vertical plate 72 drives the vibration of the vibration plate 71, thereby driving the vibration of the workpiece, the residual chips on the workpiece fall onto the filter screen 6, the filter screen 6 falls into the collecting box 10, the chips are uniformly collected by the collecting box 10, the residues are reduced, and the cleanliness after the processing is improved.

It should be noted that the top end of the placing plate 5 is provided with a groove for placing the vibration plate 71, the groove and the vertical plate 72 are matched with each other, when the workpiece is clamped, the workpiece is placed on the placing plate 5, then when the pressing plate 32 presses and fastens the workpiece, the workpiece drives the vibration plate 71 to move downwards, the vibration plate 71 is accommodated in the groove, and meanwhile, the second spring 74 is subjected to downward acting force, so that the second spring 74 is in a stretched state, and therefore an upward force is generated to jack the workpiece.

In a further preferred embodiment of the present utility model, as shown in fig. 1, the bottom ends of the two sliding plates 2 are respectively provided with a sliding block 8, the left side and the right side of the top end of the clamping table 1 are respectively provided with sliding grooves, the two sliding blocks 8 are respectively arranged in the two sliding grooves in a sliding manner, the two sliding grooves are respectively rotatably provided with a screw rod 9, the two sliding blocks 8 are respectively and correspondingly connected with the screw rods 9 in a threaded manner, one ends of the two screw rods 9, which are far away from the placing plate 5, penetrate through the side wall of the sliding grooves and extend to the outside of the clamping table 1, the end parts of the two screw rods 9 are respectively provided with a shaking handle, and the shaking handles are positioned at the outside of the clamping table 1.

The handle is rocked to drive the screw rod 9 to rotate, so that the sliding block 8 is driven to move, the sliding block 8 drives the sliding plate 2 to move, the sliding plate 2 drives the clamping assembly 3 to move, the clamping assembly 3 is close to a workpiece, and the workpiece is clamped and fixed.

In a further preferred embodiment of the present utility model, as shown in fig. 4, a first supporting rod 44 is disposed at the bottom of the side groove, a second supporting rod 45 is inserted into one end of the first supporting rod 44 away from the side groove, one end of the second supporting rod 45 away from the first supporting rod 44 is connected with the middle part of the buffer plate 42, the size of the buffer plate 42 is larger than that of the side groove, two limiting blocks 46 made of soft materials are respectively disposed at the upper and lower ends of one side of the buffer plate 42 away from the protection pad 43, and the two limiting blocks 46 are respectively located between the clamping block 33 and the buffer plate 42.

In the process of clamping the workpiece, the buffer plate 42 approaches the clamping block 33, the buffer plate 42 is supported in an auxiliary mode through the first supporting rod 44 and the second supporting rod 45, the stability of the movement of the buffer plate 42 is kept, when the buffer plate 42 drives the limiting block 46 to contact with the clamping block 33, the buffer plate 42 stops moving at the moment, the workpiece is protected, and overlarge impact force between the buffer plate 42 and the clamping block is avoided.

Further, a collecting box 10 is inserted at one side of the clamping table 1, and the collecting box 10 is positioned below the two filter screens 6; the inner wall of the outer end plate of the collecting box 10 is provided with a bolt 11, and the clamping table 1 is provided with a bolt hole at a position corresponding to the bolt 11.

When moving the collecting box 10 to the inside of the clamping table 1, the collecting box 10 is located below the two filter screens 6, so that the scraps can fall into the collecting box 10 through the filter screens 6, the scraps can be collected and treated conveniently, and meanwhile, the collecting box 10 is fixed by utilizing the cooperation between the bolts 11 and the bolt holes.

The embodiments of the present utility model are respectively preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, so: equivalent changes in structure, shape and principle of the present utility model should be covered in the protection scope of the present utility model.

Claims

1. Milling machine fixture, including hollow grip block (1), its characterized in that: two sides of the top end of the clamping table (1) are respectively and slidably provided with sliding plates (2), the top ends of the two sliding plates (2) are respectively provided with a lifting clamping assembly (3), the middle part on clamping table (1) top is opened and is provided with the through-hole, be provided with in the through-hole and place board (5), be located in the through-hole of placing board (5) both sides is provided with filter screen (6) respectively.

2. A milling machine fixture as claimed in claim 1, wherein: the clamping assembly (3) comprises a screw rod (31) which is arranged at the top end of the sliding plate (2) in a threaded mode, a pressing plate (32) is connected to the screw rod (31) in an external threaded mode, and a clamping block (33) is arranged below one end, far away from the screw rod (31), of the pressing plate (32).

3. A milling machine fixture as claimed in claim 2, wherein: be provided with protection component (4) on clamping component (3), protection component (4) are kept away from including seting up on clamp splice (33) side groove in screw rod (31) one side, the bottom in side groove is provided with first spring (41), be provided with buffer board (42) on the one end of keeping away from on first spring (41) side groove, keep away from on buffer board (42) one side of first spring (41) is provided with protection pad (43).

4. A milling machine fixture as claimed in claim 3, wherein: the bottom of side tank is provided with first bracing piece (44), keep away from on first bracing piece (44) the inside cartridge of side tank one end has second bracing piece (45), keep away from on second bracing piece (45) first bracing piece (44) one end with buffer board (42) are connected.

5. A milling machine fixture as claimed in claim 4, wherein: the size of the buffer plate (42) is larger than that of the side groove, a limiting block (46) made of soft materials is arranged on one side, away from the protection pad (43), of the buffer plate (42), and the limiting block (46) is located between the buffer plate (42) and the clamping block (33).

6. A milling machine fixture as claimed in claim 1, wherein: be provided with vibration subassembly (7) on placing board (5), vibration subassembly (7) are in including vertical cartridge place inside riser (72) of board (5), the upper end of riser (72) is provided with vibrating plate (71), lower extreme and is provided with diaphragm (73), just vibrating plate (71) and diaphragm (73) set up the upper and lower both sides of placing board (5), be provided with second spring (74) between placing board (5) and diaphragm (73), one end of second spring (74) with place board (5) and be connected, the other end with diaphragm (73) are connected, place on board (5) with the position department that corresponds from top to bottom of vibrating plate (71) is provided with the recess that size and vibrating plate (71) match.

7. A milling machine fixture as claimed in claim 1, wherein: the bottom of two slide (2) is provided with slider (8) respectively, the both sides on centre gripping platform (1) top are provided with the spout respectively, and two slider (8) are sliding arrangement respectively in two spouts.

8. A milling machine fixture as claimed in claim 7, wherein: two respectively rotatable lead screw (9) are provided with in the spout, two threaded connection that slider (8) correspond respectively is in on lead screw (9), two keep away from on lead screw (9) place the one end of board (5) run through the lateral wall of spout and extend to the outside of gripping platform (1), two the tip of lead screw (9) is provided with the shake handle respectively, just shake the handle and be located the outside of gripping platform (1).

9. A milling machine fixture as claimed in claim 1, wherein: a collecting box (10) is inserted at one side of the clamping table (1), and the collecting box (10) is positioned below the two filter screens (6).

10. A milling machine fixture as claimed in claim 9, wherein: the inner wall of the outer end plate of the collecting box (10) is provided with a bolt (11), and a bolt hole is formed in the clamping table (1) at a position corresponding to the bolt (11).