CN211161985U

CN211161985U - Spring chuck clamping mechanism of numerical control lathe

Info

Publication number: CN211161985U
Application number: CN201921826158.9U
Authority: CN
Inventors: 李振
Original assignee: Yancheng Intercontinental Precision Machinery Co ltd
Current assignee: Yancheng Intercontinental Precision Machinery Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-08-04
Anticipated expiration: 2029-10-25

Abstract

The utility model relates to the technical field of mechanical equipment, specifically be a numerical control lathe collet chuck clamping mechanism, including clamping mechanism and collet mechanism, clamping mechanism's inside is pegged graft and is had collet mechanism, clamping mechanism includes fixed block, draw runner, first connecting piece, spanner, pull rod, second connecting piece, splint, connecting plate, hole groove and arc necking plate, the inside fixedly connected with draw runner of fixed block. The utility model has the advantages that: the arc throat board compresses collet chuck, makes collet chuck centre gripping drill bit, and simple structure is reliable, does not have the potential safety hazard of electric leakage, has improved the device's security, when changing collet chuck, takes off fastening bolt and nut, makes two splint switch off alright take out collet chuck, has improved the device's practicality, and during high-speed rotatory, sliding connection's draw runner and spout can avoid collet chuck at the inside problem of skidding of fixed block, have reduced the inside wearing and tearing of fixed block, have prolonged the life of equipment.

Description

Spring chuck clamping mechanism of numerical control lathe

Technical Field

The utility model relates to the technical field of mechanical equipment, especially a numerical control lathe collet chuck clamping mechanism.

Background

A spring collet. Is a cylindrical fixture used for being arranged on a milling machine and used for restraining a drill bit or a milling cutter. The fixing device is used for fixing and reinforcing the part needing to be modified.

A numerical control lathe collet chuck clamping mechanism disclosed in chinese patent CN208592624U, this numerical control lathe collet chuck clamping mechanism, through the clamping holder, first spacing section of thick bamboo, connecting block and first thrust unit's setting, can realize pressing from both sides tightly for the first time to the holder, through the fixed column, the movable hole, the activity holder, the annular groove, the spacing section of thick bamboo of second, second thrust unit, the setting of slider and spout, can realize pressing from both sides tightly the second time to the holder, this device can realize simultaneously that the secondary to the holder presss from both sides tightly, it is effectual to press from both sides tightly, the fixity is good, be difficult to the pine takes off, the security is high, however, this numerical control lathe collet chuck clamping mechanism, when solving the problem, following shortcoming has:

this numerical control lathe collet chuck clamping mechanism is provided with first motor and second motor, drive the rotation of threaded rod through first motor and second motor for the spacing section of thick bamboo of first spacing and second presss from both sides tight fixedly to the holder, but first motor and second motor need use connection of electric lines, and clamping mechanism needs high-speed rotatory under the majority circumstances, and high-speed rotatory clamping mechanism easily leads to the electric wire fracture, when influencing equipment normal use, has the potential safety hazard of electric leakage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a numerical control lathe collet chuck clamping mechanism.

The purpose of the utility model is realized through the following technical scheme: a spring chuck clamping mechanism of a numerical control lathe comprises a clamping mechanism and a chuck mechanism, wherein the chuck mechanism is inserted in the clamping mechanism;

the clamping mechanism comprises a fixed block, a sliding strip, a first connecting piece, a wrench, a pull rod, a second connecting piece, a clamping plate, a connecting plate, a hole groove and an arc-shaped necking plate, wherein the sliding strip is fixedly connected inside the fixed block, the first connecting piece is fixedly connected to one side of the fixed block, the fixed block is movably connected with the wrench through the first connecting piece arranged on one side of the fixed block, the pull rod is movably connected to one side of the wrench, the second connecting piece is movably connected to one end, away from the wrench, of the pull rod, the clamping plate is fixedly connected to one side of the second connecting piece, the connecting plate is fixedly connected to both sides of the clamping plate, the hole groove is formed in one side of the connecting plate, and the arc-shaped necking plate is;

the chuck mechanism comprises a spring chuck, a sliding groove and a limiting hole, the sliding groove is formed in the outer surface of the spring chuck, and the limiting hole is formed in one side of the spring chuck.

Optionally, the inside of fixed block cup joints with collet chuck's surface, just the fixed block is through setting up the spout sliding connection that is equipped with at its inside draw runner and collet chuck surface.

Optionally, the number of the first connecting pieces, the number of the wrench, the number of the pull rod, the number of the second connecting pieces and the number of the clamping plates are the same, and the number of the first connecting pieces is two.

Optionally, the inner walls of the clamping plate and the arc-shaped necking plate are overlapped with the outer surface of the spring chuck.

Optionally, a first threaded hole is formed in one side of the fixing block, and a limiting bolt is connected to the first threaded hole in an internal thread mode.

Optionally, the limiting bolt penetrates through the first threaded hole and is inserted into a limiting hole formed in one side of the spring chuck.

Optionally, a through hole is formed in one side of the wrench, and a second threaded hole is formed in a position, corresponding to the through hole, of one side of the fixing block.

Optionally, the fastening bolt penetrates through the through hole and is in threaded connection with the second threaded hole.

The utility model has the advantages of it is following:

1. this numerical control lathe collet chuck clamping mechanism, through setting up the spanner, insert the drill bit in collet chuck, to the side push wrench of keeping away from splint, the spanner passes through the pull rod with splint to one side pulling of fixed block, arc throat board compression collet chuck to make collet chuck tightly centre gripping drill bit, simple structure is reliable, does not have the potential safety hazard of electric leakage, has improved the device's security.

2. This numerical control lathe collet chuck clamping mechanism, through setting up the hole groove, fastening bolt passes through the hole groove to use the nut to fix, thereby make up into a whole with two splint, when the collet chuck of different models need to be changed, take off fastening bolt and nut, make two splint switch alright take out collet chuck, reach the purpose of being convenient for change collet chuck mechanism, improved the device's practicality.

3. According to the spring chuck clamping mechanism of the numerical control lathe, the sliding strip and the sliding groove are arranged, so that when the mechanism rotates at a high speed, the sliding strip and the sliding groove are connected in a sliding mode, the problem that the spring chuck slips inside a fixed block can be solved, the abrasion inside the fixed block is reduced, and the service life of equipment is prolonged.

Drawings

Fig. 1 is a schematic view of a first form structure of the present invention;

fig. 2 is a schematic diagram of a second embodiment of the present invention;

FIG. 3 is a schematic sectional view of the present invention;

fig. 4 is a schematic structural view of the clamping mechanism of the present invention;

fig. 5 is an enlarged schematic view of the structure at a in fig. 4 according to the present invention;

fig. 6 is a schematic structural view of the chuck mechanism of the present invention.

In the figure: 1-clamping mechanism, 101-fixed block, 102-slide bar, 103-first connecting piece, 104-wrench, 105-pull rod, 106-second connecting piece, 107-clamping plate, 108-connecting plate, 109-hole groove, 110-arc-shaped necking plate, 2-chuck mechanism, 201-spring chuck, 202-sliding groove, 203-limiting hole, 3-first threaded hole, 4-through hole and 5-second threaded hole.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1-6, a spring chuck clamping mechanism of a numerical control lathe comprises a clamping mechanism 1 and a chuck mechanism 2, wherein the chuck mechanism 2 is inserted into the clamping mechanism 1;

the clamping mechanism 1 comprises a fixed block 101, a slide bar 102, a first connecting piece 103, a wrench 104, a pull rod 105, a second connecting piece 106, a clamping plate 107, a connecting plate 108, a hole groove 109 and an arc-shaped necking plate 110, wherein the slide bar 102 is fixedly connected inside the fixed block 101, the first connecting piece 103 is fixedly connected to one side of the fixed block 101, the fixed block 101 is movably connected with the wrench 104 through the first connecting piece 103 arranged on one side of the fixed block, the pull rod 105 is movably connected to one side of the wrench 104, the second connecting piece 106 is movably connected to one end, far away from the wrench 104, of the pull rod 105, one side of the second connecting piece 106 is fixedly connected with the clamping plate 107, the wrench 104 is pushed to one side, far away from the clamping plate 107, the wrench 104 pulls the clamping plate 107 to one side of the fixed block 101 through the pull rod 105, on the contrary, the clamping plate 107 is far away from the, the two clamping plates 107 are combined into a whole by penetrating the through hole 109 through a fastening bolt and fixing the clamping plates by using nuts, one side of each clamping plate 107, which is far away from the fixing block 101, is fixedly connected with an arc-shaped necking plate 110, and the elasticity of the end part of the spring chuck 201 is determined by the movement of the arc-shaped necking plate 110;

the chuck mechanism 2 comprises a collet 201, a sliding groove 202 and a limiting hole 203, wherein the sliding groove 202 is formed in the outer surface of the collet 201, and the limiting hole 203 is formed in one side of the collet 201.

The inside of the fixed block 101 is sleeved with the outer surface of the collet 201, and the fixed block 101 is slidably connected with the sliding groove 202 arranged on the outer surface of the collet 201 through the sliding strip 102 arranged inside the fixed block 101, when the mechanism rotates at a high speed, the sliding strip 102 and the sliding groove 202 which are slidably connected can avoid the problem that the collet 201 slips inside the fixed block 101, thereby reducing the abrasion inside the fixed block 101 and prolonging the service life of the equipment, the first connecting pieces 103, the wrench 104, the pull rod 105, the second connecting pieces 106 and the clamping plate 107 are the same in number and are two, the two first connecting pieces 103 are respectively arranged on two corresponding sides of the fixed block 101, the inner walls of the clamping plate 107 and the arc necking plate 110 are lapped with the outer surface of the collet 201, one side of the fixed block 101 is provided with a first threaded hole 3, the first threaded hole 3 is internally threaded with a limiting bolt, the limiting bolt penetrates through the first threaded hole 3 and is inserted into, spacing bolt is pegged graft with spacing hole 203, thereby fix chuck mechanism 2 in the inside of fixed block 101, avoid chuck mechanism 2 gliding problem in fixed block 101, through-hole 4 has been seted up to one side of spanner 104, and fixed block 101 one side has seted up second screw hole 5 with the corresponding position of through-hole 4, fastening bolt runs through-

hole

4 and 5 threaded connection of second screw hole, fix spanner 104 in the side of fixed block 101, avoid this mechanism when high-speed rotatory, spanner 104 is not hard up, lead to the problem that the drill bit in spring chuck 201 dropped.

The working process of the utility model is as follows: the fixed block 101 is fixedly connected to a rotating machine of a numerically controlled lathe, a drill bit is inserted into the collet chuck 201, the wrench 104 is pushed to one side far away from the clamping plate 107, the wrench 104 pulls the clamping plate 107 to one side of the fixed block 101 through the pull rod 105, the arc-shaped necking plate 110 compresses the collet chuck 201, the collet chuck 201 tightly clamps the drill bit, then the wrench 104 is connected with the second threaded hole 5 in a threaded manner by penetrating through the through hole 4 through a fastening bolt, the wrench 104 is fixed on the side face of the fixed block 101, when the collet chucks 201 of different types need to be replaced, the limiting bolt in the first threaded hole 3 and the fastening bolt in the second threaded hole 5 are taken down, the wrench 104 is pushed, the collet chuck 201 is loosened by the arc-shaped necking plate 110, then the fastening bolt in the hole groove 109 is taken out, the two clamping plates 107 are forked, the collet chuck 201 can be taken out, and then.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a numerical control lathe collet chuck clamping mechanism, includes clamping mechanism (1) and chuck mechanism (2), its characterized in that: a chuck mechanism (2) is inserted in the clamping mechanism (1);

the clamping mechanism (1) comprises a fixing block (101), a sliding strip (102), a first connecting piece (103), a wrench (104), a pull rod (105), a second connecting piece (106), a clamping plate (107), a connecting plate (108), a hole groove (109) and an arc-shaped necking plate (110), wherein the sliding strip (102) is fixedly connected inside the fixing block (101), the first connecting piece (103) is fixedly connected to one side of the fixing block (101), the fixing block (101) is movably connected with the wrench (104) through the first connecting piece (103) arranged on one side of the fixing block, the pull rod (105) is movably connected to one side of the wrench (104), the second connecting piece (106) is movably connected to one end, far away from the wrench (104), of the pull rod (105), the clamping plate (107) is fixedly connected to one side of the second connecting piece (106), and the connecting plates (108) are fixedly connected to both sides of the clamping plate (107, a hole groove (109) is formed in one side of the connecting plate (108), and an arc-shaped necking plate (110) is fixedly connected to one side, far away from the fixing block (101), of the clamping plate (107);

the clamping head mechanism (2) comprises a spring clamping head (201), a sliding groove (202) and a limiting hole (203), the sliding groove (202) is formed in the outer surface of the spring clamping head (201), and the limiting hole (203) is formed in one side of the spring clamping head (201).

2. A numerically controlled lathe collet chuck clamping mechanism according to claim 1, wherein: the inside of fixed block (101) cup joints with the surface of collet chuck (201), just fixed block (101) are through setting up spout (202) sliding connection that is equipped with in its inside draw runner (102) and collet chuck (201) surface.

3. A numerically controlled lathe collet chuck clamping mechanism according to claim 1, wherein: the number of the first connecting pieces (103), the number of the wrenches (104), the number of the pull rods (105), the number of the second connecting pieces (106) and the number of the clamping plates (107) are the same, and the two first connecting pieces (103) are respectively located on two corresponding sides of the fixing block (101).

4. A numerically controlled lathe collet chuck clamping mechanism according to claim 1, wherein: the inner walls of the clamping plate (107) and the arc-shaped necking plate (110) are overlapped with the outer surface of the spring clamping head (201).

5. A numerically controlled lathe collet chuck clamping mechanism according to claim 1, wherein: first screw hole (3) have been seted up to one side of fixed block (101), just first screw hole (3) female connection has spacing bolt.

6. A numerically controlled lathe collet chuck clamping mechanism according to claim 5, wherein: the limiting bolt penetrates through the first threaded hole (3) and is inserted into a limiting hole (203) formed in one side of the spring chuck (201).

7. A numerically controlled lathe collet chuck clamping mechanism according to claim 1, wherein: one side of the wrench (104) is provided with a through hole (4), and a second threaded hole (5) is formed in a position, corresponding to the through hole (4), of one side of the fixing block (101).

8. A numerically controlled lathe collet chuck clamping mechanism according to claim 7, wherein: the fastening bolt penetrates through the through hole (4) and is in threaded connection with the second threaded hole (5).