CN215546804U

CN215546804U - Clamp for numerical control lathe

Info

Publication number: CN215546804U
Application number: CN202120882487.6U
Authority: CN
Inventors: 陈羲; 冯富锋; 童显忠; 蔡启晶
Original assignee: Hubei Oulang Machinery Co ltd
Current assignee: Hubei Oulang Machinery Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2022-01-18
Anticipated expiration: 2031-04-27

Abstract

The utility model belongs to the field of numerical control machines, and particularly relates to a clamp for a numerical control lathe, which comprises a bottom plate, a fixed block, a supporting arc block, a supporting block, a pressure rod, a fastening bolt, a sliding block, a guide rod, a first rack, a second rack, a first spring, a limiting bolt, a T-shaped block, a T-shaped groove, a conical block, a second spring, a T-shaped round rod, a clamping block, a clamping groove, a cylinder, a torsion spring, a first magnetic block and a second magnetic block; the position of the supporting block is changed by pushing the pressing rod, the supporting block moves to drive the sliding block to move along the guide rod, and then the rack is extruded by the rack pair II, so that the rack pair II can be moved to extrude the spring pair I, when the rack pair I is aligned with the rack pair II, under the action of elastic force of the spring pair I, the rack pair I is moved to be meshed with the rack pair I, until the supporting block and the pressing rod are moved to proper positions, the limiting bolt is screwed, the limiting bolt is moved to be attached to the rack pair I, and then the position of the rack pair II is fixed, and the purpose of fixing the supporting block and the position of the pressing rod is achieved.

Description

Clamp for numerical control lathe

Technical Field

The utility model relates to the field of lathe fixtures, in particular to a fixture for a numerical control lathe.

Background

The lathe fixture is used for processing the inner and outer rotary surfaces and the end surface of a workpiece on a lathe. Most lathe fixtures are arranged on the main shaft; a few are mounted on saddles or bedbeds.

The clamp for the numerical control lathe is inconvenient for clamping and fixing parts with different sizes, and further the usability of the clamp is reduced.

The lathe fixture who uses at present has certain defect, lacks the supporting shoe and adjusts fixed establishment, causes the position of inconvenient fixed supporting shoe and depression bar according to the size of spare part, has reduced the application range of anchor clamps. Therefore, a jig for a numerically controlled lathe has been proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a clamp for a numerically controlled lathe, aiming at overcoming the defects of the prior art and solving the problems that the position of a supporting block and a pressure rod is inconvenient to fix according to the size of a part and the application range of the clamp is reduced due to the lack of a supporting block adjusting and fixing mechanism due to the fact that the currently used lathe clamp has certain defects.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the clamp for the numerical control lathe comprises a bottom plate, a fixed block, a supporting arc block, a supporting block, a pressure rod, a fastening bolt and an adjusting and fixing mechanism, wherein the fixed block is fixedly installed on the left side of the top end of the bottom plate, a supporting guard plate is slidably installed on the top end of the bottom plate, the supporting blocks are symmetrically slidably installed at the front end and the rear end of the bottom plate, the pressure rod is installed at the right end of the supporting block, the fastening bolt is rotatably installed at the right end of the supporting block, one end of the fastening bolt extends to the right side of the pressure rod, a nut is installed on the annular side face of the fastening bolt, and the outer side of the nut is fixedly installed inside the pressure rod;

the adjusting and fixing mechanism comprises a sliding block, a guide rod, a first rack, a second rack, a first spring and a limiting bolt, rectangular grooves are symmetrically formed in the front end and the rear end of the bottom plate, the guide rod is fixedly mounted inside the rectangular grooves, the sliding block is mounted on the annular side face of the guide rod, one end of the sliding block is fixedly mounted on the supporting block, the first rack is fixedly mounted on the annular side face of the guide rod, the first spring is fixedly mounted inside the sliding block, the one end of the first spring is fixedly mounted on the one end of the second spring, one end of the second rack is meshed with the first rack, the supporting block is far away from one end of the bottom plate, the limiting bolt extends to the inside of the sliding block and is aligned with the second rack, the second rack is convenient to move through the elastic force of the first spring and is meshed with the first rack, and the position of the supporting block is further fixed.

Preferably, two T-shaped blocks are symmetrically and fixedly installed at the bottom ends of the supporting arc blocks, two T-shaped grooves are symmetrically formed in the top end of the bottom plate, and the T-shaped blocks are installed inside the T-shaped grooves in a sliding mode; the design of the T-shaped groove and the T-shaped block is convenient for horizontally pushing the supporting arc block to move.

Preferably, two limiting grooves are uniformly formed in the bottom end of the interior of the T-shaped groove, a groove is formed in the bottom end of the T-shaped block, a second spring is fixedly installed at the bottom end of the interior of the groove, a conical block is fixedly installed at the bottom end of the second spring, and the bottom end of the conical block extends into the limiting grooves; support the arc piece through the pulling and remove drive T type piece and remove along T type groove, and then T type inslot portion bottom extrudees the toper piece for the toper piece removes and extrudees spring two, when the toper piece aligns with another spacing groove, under the effect of spring two elasticity, the toper piece removes and gets into the spacing inslot portion, and then the position of fixed stay arc piece.

Preferably, two T-shaped round rods are symmetrically arranged at the top end of the supporting arc block, and the bottom ends of the T-shaped round rods extend into the groove and are rotatably connected with the top end of the conical block; the design of T type round bar is convenient for with the supplementary joint of toper piece in spacing inslot portion.

Preferably, two clamping grooves are symmetrically formed in the top end of the T-shaped round rod, two clamping blocks are symmetrically and fixedly mounted at the top end of the supporting arc block, and the top ends of the clamping blocks penetrate through the clamping grooves and are attached to the top end of the T-shaped round rod; the design of the clamping block and the clamping groove is convenient for fixing the position of the T-shaped round rod, and further convenient for clamping and fixing the vertical position of the T-shaped round rod.

Preferably, the clamping groove consists of rectangular through grooves and arc-shaped grooves, two rectangular through grooves and two arc-shaped grooves are symmetrically formed in the top end of the T-shaped round rod, and one end of each arc-shaped groove is communicated with the middle position of each rectangular through groove; the positions of the rectangular through groove and the arc groove are changed by rotating the T-shaped round rod, when one end of the T-shaped clamping block is located inside the rectangular through groove, the T-shaped round rod can move vertically conveniently, and the T-shaped round rod can be clamped and fixed vertically conveniently by the aid of the arc groove.

The utility model has the advantages that:

1. according to the utility model, through the structural design of adjustment and fixation, the functions of adjusting and fixing the supporting block and the pressing rod are realized, and the problems that the position of the supporting block and the position of the pressing rod are inconvenient to fix according to the size of a part due to the fact that a supporting block adjusting and fixing mechanism is lacked, the use range of the clamp is reduced and the practicability of the clamp is improved are solved;

2. according to the utility model, through the structural design of the T-shaped groove and the T-shaped block, the function of adjusting the position of the supporting arc block is realized, the problem that the supporting arc block is fixedly arranged on the bottom plate, so that the middle position of the bottom end of the part is inconvenient to support is solved, and the supporting effect of the part is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic overall structure diagram according to a first embodiment;

FIG. 2 is a schematic structural diagram of an adjusting and fixing mechanism according to a first embodiment;

FIG. 3 is a schematic view of an assembly structure of a support arc block and a base plate according to the first embodiment;

fig. 4 is a schematic view illustrating an assembly structure of a fixture block and a fixture groove according to the first embodiment;

fig. 5 is a schematic view of an assembly structure of the T-shaped round bar according to the second embodiment.

In the figure: 1. a base plate; 2. a fixed block; 3. supporting the arc block; 4. a support block; 5. a pressure lever; 6. fastening a bolt; 7. a slider; 8. a guide bar; 9. a first rack; 10. a second rack; 11. a first spring; 12. a limit bolt; 13. a T-shaped block; 14. a T-shaped groove; 15. a conical block; 16. a second spring; 17. a T-shaped round bar; 18. a clamping block; 19. a card slot; 20. a cylinder; 21. a torsion spring; 22. a first magnetic block; 23. and a second magnetic block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-4, a clamp for a numerically controlled lathe comprises a bottom plate 1, a fixed block 2, a support arc block 3, support blocks 4, a pressure rod 5, a fastening bolt 6 and an adjusting and fixing mechanism, wherein the fixed block 2 is fixedly installed on the left side of the top end of the bottom plate 1, a support guard plate is slidably installed on the top end of the bottom plate 1, the support blocks 4 are symmetrically slidably installed at the front end and the rear end of the bottom plate 1, the pressure rod 5 is installed at the right end of the support block 4, the fastening bolt 6 is rotatably installed at the right end of the support block 4, one end of the fastening bolt 6 extends to the right side of the pressure rod 5, a nut is installed on the annular side surface of the fastening bolt 6, and the outer side of the nut is fixedly installed inside the pressure rod 5;

the adjusting and fixing mechanism comprises a sliding block 7, a guide rod 8, a first rack 9, a second rack 10, a first spring 11 and a limiting bolt 12, rectangular grooves are symmetrically formed in the front end and the rear end of the bottom plate 1, the guide rod 8 is fixedly installed in each rectangular groove, the sliding block 7 is installed on the annular side face of each guide rod 8, one end of each sliding block 7 is fixedly installed on the support block 4, the first rack 9 is fixedly installed on the annular side face of each guide rod 8, the first spring 11 is fixedly installed in each sliding block 7, the second rack 10 is fixedly installed at one end of each spring 11, one end of each second rack 10 is meshed with the first rack 9, the limiting bolt 12 is installed at one end, away from the bottom plate 1, of each support block 4, and one end of each limiting bolt 12 extends into the corresponding sliding block 7 and is aligned with the second rack 10; during operation, the user changes the position of supporting shoe 4 through promoting depression bar 5, supporting shoe 4 removes and drives slider 7 and remove along guide arm 8, and then rack 9 extrudes rack two 10, make rack two 10 remove and extrude spring one 11, when rack one 9 aligns with rack two 10, under the effect of spring one 11 elasticity, rack two 10 remove and rack one 9 meshes, move to suitable position until supporting shoe 4 and depression bar 5, twist stop bolt 12 after that, stop bolt 12 removes and laminates with rack two 10, and then the position of fixed rack two 10, play the mesh of fixed supporting shoe 4 and depression bar 5 position.

Two T-shaped blocks 13 are symmetrically and fixedly installed at the bottom ends of the supporting arc blocks 3, two T-shaped grooves 14 are symmetrically formed in the top end of the bottom plate 1, and the T-shaped blocks 13 are installed in the T-shaped grooves 14 in a sliding mode; in operation, the T-shaped groove 14 and the T-shaped block 13 are designed to horizontally push the support arc block 3 to move.

Two limiting grooves are uniformly formed in the bottom end of the interior of the T-shaped groove 14, a groove is formed in the bottom end of the T-shaped block 13, a second spring 16 is fixedly installed at the bottom end of the interior of the groove, a conical block 15 is fixedly installed at the bottom end of the second spring 16, and the bottom end of the conical block 15 extends into the limiting grooves; during operation, support arc piece 3 through the pulling and remove drive T type piece 13 and remove along T type groove 14, and then 14 inside bottom ends in T type groove extrude toper piece 15 for toper piece 15 removes and extrudees spring two 16, and when toper piece 15 aligns with another spacing groove, under the effect of spring two 16 elasticity, toper piece 15 removes and gets into the spacing inslot portion, and then the position of fixed stay arc piece 3.

Two T-shaped round rods 17 are symmetrically arranged at the top end of the supporting arc block 3, and the bottom ends of the T-shaped round rods 17 extend into the grooves and are rotatably connected with the top end of the conical block 15; during operation, the T-shaped round rod 17 is designed to facilitate the auxiliary clamping of the conical block 15 in the limiting groove.

Two clamping grooves 19 are symmetrically formed in the top end of the T-shaped round rod 17, two clamping blocks 18 are symmetrically and fixedly mounted at the top end of the supporting arc block 3, and the top ends of the clamping blocks 18 penetrate through the clamping grooves 19 and are attached to the top end of the T-shaped round rod 17; during operation, the design of the clamping block 18 and the clamping groove 19 is convenient for fixing the position of the T-shaped round rod 17, and further convenient for clamping and fixing the vertical position of the T-shaped round rod 17.

The clamping groove 19 consists of rectangular through grooves and arc-shaped grooves, two rectangular through grooves and two arc-shaped grooves are symmetrically formed in the top end of the T-shaped round rod 17, and one end of each arc-shaped groove is communicated with the middle position of each rectangular through groove; during operation, the positions of the rectangular through groove and the arc-shaped groove are changed by rotating the T-shaped round rod 17, when one end of the T-shaped fixture block 18 is located inside the rectangular through groove, the T-shaped round rod 17 can move vertically conveniently, and the T-shaped round rod 17 can be clamped and fixed vertically by the aid of the arc-shaped groove.

Example two

Referring to fig. 5, as another embodiment of the present invention, in a first comparative example, a cylinder 20 is installed on an annular side surface of a T-shaped round bar 17, a torsion spring 21 is fixedly installed on the annular side surface of the cylinder 20, an outer side of the torsion spring 21 is fixedly installed inside a support arc block 3, a first magnetic block 22 is fixedly installed on the annular side surface of the cylinder 20, a second magnetic block 23 is fixedly installed inside the support arc block 3, the first magnetic block 22 and the second magnetic block 23 are located on the same horizontal plane, two bar-shaped bars are symmetrically and fixedly installed on the annular side surface of the T-shaped round bar 17, two bar-shaped grooves are symmetrically formed inside the cylinder 20, and the bar-shaped bars are installed inside the bar-shaped grooves; during operation, the T-shaped round rod 17 is rotated to drive the cylinder 20 to rotate, the cylinder 20 rotates to extrude the torsion spring 21, the cylinder 20 rotates to drive the first magnetic block 22 to move and separate from the second magnetic block 23, the adsorption force between the first magnetic block 22 and the second magnetic block 23 is larger than the torque force of the torsion spring 21 to fix the position of the T-shaped round rod 17, and at the moment, the fixture block 18 is located inside the rectangular through groove, so that the T-shaped round rod 17 can move up and down conveniently.

The theory of operation, change the position of supporting shoe 4 through promoting depression bar 5, supporting shoe 4 removes and drives slider 7 and remove along guide arm 8, and then rack 9 extrudes rack two 10, make rack two 10 remove and extrude spring one 11, when rack one 9 aligns with rack two 10, under the effect of spring one 11 elasticity, rack two 10 remove and rack one 9 meshes, move to suitable position until supporting shoe 4 and depression bar 5, twist spacing bolt 12 after that, spacing bolt 12 removes and laminates with rack two 10, and then the position of fixed rack two 10, play the mesh of fixed supporting shoe 4 and depression bar 5 position.

Support arc piece 3 through the pulling and remove drive T type piece 13 and remove along T type groove 14, and then 14 inside bottom ends in T type groove extrude toper piece 15 for toper piece 15 removes and extrudees spring two 16, when toper piece 15 aligns with another spacing groove, under the effect of spring two 16 elasticity, toper piece 15 removes and gets into the spacing inslot portion, and then the position of fixed stay arc piece 3.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a anchor clamps that numerical control lathe used which characterized in that: the adjustable support device comprises a bottom plate (1), a fixed block (2), a support arc block (3), a support block (4), a pressure rod (5), a fastening bolt (6) and an adjusting and fixing mechanism, wherein the fixed block (2) is fixedly installed on the left side of the top end of the bottom plate (1), a support guard plate is slidably installed on the top end of the bottom plate (1), the support block (4) is symmetrically and slidably installed at the front end and the rear end of the bottom plate (1), the pressure rod (5) is installed at the right end of the support block (4), the fastening bolt (6) is rotatably installed at the right end of the support block (4), one end of the fastening bolt (6) extends to the right side of the pressure rod (5), a nut is installed on the annular side face of the fastening bolt (6), and the outer side of the nut is fixedly installed inside the pressure rod (5);

the adjusting and fixing mechanism comprises a sliding block (7), a guide rod (8), a first rack (9), a second rack (10), a first spring (11) and a limiting bolt (12), rectangular grooves are symmetrically formed in the front end and the rear end of the bottom plate (1), guide rods (8) are fixedly arranged in the rectangular grooves, sliding blocks (7) are arranged on the annular side surfaces of the guide rods (8), one end of the sliding block (7) is fixedly arranged on the supporting block (4), a first rack (9) is fixedly arranged on the annular side surface of the guide rod (8), a first spring (11) is fixedly arranged in the sliding block (7), one end of the first spring (11) is fixedly provided with a second rack (10), one end of the second rack (10) is meshed with the first rack (9), one end of the supporting block (4) far away from the bottom plate (1) is provided with a limiting bolt (12), one end of the limiting bolt (12) extends into the sliding block (7) and is aligned with the second rack (10).

2. The jig for a numerically controlled lathe according to claim 1, characterized in that: the support arc block (3) bottom symmetry fixed mounting two T type blocks (13), two T type grooves (14) are seted up to bottom plate (1) top symmetry, T type block (13) are installed to T type groove (14) inside slidable.

3. The jig for a numerically controlled lathe according to claim 2, characterized in that: two spacing grooves are evenly seted up to the inside bottom in T type groove (14), the recess is seted up to T type piece (13) bottom, the inside bottom fixed mounting of recess has spring two (16), spring two (16) bottom fixed mounting has toper piece (15), toper piece (15) bottom extends to the spacing inslot portion.

4. The jig for a numerically controlled lathe according to claim 2, characterized in that: two T type round bars (17) are symmetrically installed at the top end of the supporting arc block (3), and the bottom end of the T type round bar (17) extends to the inside of the groove and is rotatably connected with the top end of the conical block (15).

5. The jig for a numerically controlled lathe according to claim 4, wherein: two clamping grooves (19) are symmetrically formed in the top end of the T-shaped round rod (17), two clamping blocks (18) are symmetrically and fixedly mounted at the top end of the supporting arc block (3), and the top ends of the clamping blocks (18) penetrate through the clamping grooves (19) and are attached to the top end of the T-shaped round rod (17).

6. The jig for a numerically controlled lathe according to claim 5, wherein: the clamping groove (19) is composed of a rectangular through groove and an arc-shaped groove, the two rectangular through grooves and the two arc-shaped grooves are symmetrically formed in the top end of the T-shaped round rod (17), and one end of each arc-shaped groove is communicated with the middle position of the corresponding rectangular through groove.