CN210649531U

CN210649531U - Electric spindle tool clamp

Info

Publication number: CN210649531U
Application number: CN202020654703.7U
Authority: CN
Inventors: 黄晓敏
Original assignee: Shandong Runde Precision Machine Tool Co ltd
Current assignee: Shandong Runde Precision Machine Tool Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-06-02
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses an electricity main shaft frock clamp, the utility model discloses an upper casing, under bracing seat and middle clamping device, middle clamping device includes first lead screw, second lead screw, goes up V type piece, lower V type piece and drive assembly, and first lead screw and second lead screw are located the both sides of V type piece respectively, goes up one side and the first lead screw spiro union that V type piece is close to first lead screw, goes up one side and the second lead screw sliding connection that is close to the second lead screw of V type piece, one side and the first lead screw spiro union that is close to first lead screw of lower V type piece, one side and the second lead screw spiro union that are close to the second lead screw of lower V type piece. The utility model discloses when using, through being connected outer sleeve with last casing through the spacing subassembly of second and the spacing subassembly of third, will go up V type piece and V type piece down and adjust respectively to contact with the electricity main shaft, then be connected outer sleeve with last casing through first spacing subassembly to V type piece presss from both sides tight electricity main shaft simultaneously with V type piece down in the drive.

Description

Electric spindle tool clamp

Technical Field

The utility model relates to a lathe frock clamp, concretely relates to electricity main shaft frock clamp.

Background

In the scrap collecting manufacturing process using the electric spindle, the clamp is a mechanical tool used for fixing the electric spindle to enable the electric spindle to occupy the correct position in the manufacturing process, the electric spindles with different diameters need to be used under different conditions, and therefore the corresponding clamping surfaces need to be replaced in the assembling process.

Chinese patent application No. 2020100088376 discloses an electricity main shaft frock clamp that adopts two linkage lead screws, and specifically disclose following technical content, transmission shaft middle part and shell upper end swivelling joint, the both sides of gear wheel are connected with two pinion engagement respectively, two pinion respectively with two lead screw fixed connection, two lead screws rotate with the shell and are connected, the V-arrangement piece and the lead screw spiro union that are located the upside, the inside downside at the shell is connected to the V-arrangement piece fixed connection that is located the downside, when rotating the transmission shaft, the gear wheel drives two pinion rotations, and rotate through two lead screws and drive the V-arrangement piece that is located the upside and reciprocate the purpose that realizes pressing from both sides tight electricity main shaft. Although the technical scheme can drive the V-shaped block positioned on the upper side to move up and down through the conveying shaft to adapt to the electric spindles with different diameters, the central axes of the electric spindles with different diameters are fixed in the replacement process, and the electric spindles with different diameters extend along the central axes to the upper side and the lower side, so that the technical scheme cannot meet the actual use condition.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides an electricity main shaft frock clamp suitable for changing the electricity main shaft of different diameters.

In order to solve the problems, the utility model comprises an upper shell, a lower supporting seat and a middle clamping device, wherein the middle clamping device comprises a first screw rod, a second screw rod, an upper V-shaped block, a lower V-shaped block and a driving component, the upper V-shaped block and the lower V-shaped block are arranged in parallel and in opposite directions, the first screw rod and the second screw rod are rotatably arranged in the upper shell, the first screw rod and the second screw rod are respectively positioned at two sides of the upper V-shaped block, one side of the upper V-shaped block close to the first screw rod is in threaded connection with the first screw rod, one side of the upper V-shaped block close to the second screw rod is in sliding connection with the second screw rod, one side of the lower V-shaped block close to the second screw rod is in sliding connection with the first screw rod, one side of the lower V-shaped block close to the second screw rod is in threaded connection with the second screw rod, when the driving component acts, three moving states of the upper V-shaped block and the lower V-shaped block exist, and when the upper V-shaped block and the lower V-shaped block move simultaneously, the moving directions of the upper V-shaped block and the lower V-shaped block are opposite or opposite.

As a further optimization, the driving assembly of the utility model comprises an outer sleeve and an inner rotating shaft, the outer sleeve is connected on the upper part of the upper shell in a sliding way along the axial direction of the outer sleeve, a first limit assembly, a second limit assembly and a third limit assembly are arranged on the outer sleeve at intervals, the inner rotating shaft is arranged in the outer sleeve in a rotating way, the lower end of the inner rotating shaft is fixedly provided with a driving gear, a first driven gear and a second driven gear are fixedly arranged on a first lead screw at intervals, a third driven gear and a fourth driven gear are fixedly arranged on a second lead screw at intervals, the second driven gear and the fourth driven gear are positioned on the same horizontal plane, when the outer sleeve is connected on the upper shell through the first limit assembly, the two sides of the driving gear are respectively meshed with the second driven gear and the fourth driven gear, when the outer sleeve is connected on the upper shell through the second limit assembly, the driving gear is meshed with the third driven gear, when the outer sleeve is connected to the upper shell through the third limiting assembly, the driving gear is meshed with the first driven gear.

As further optimization, the upper end of going up the casing is provided with spacing hole, the spacing subassembly of first spacing subassembly, second and the spacing subassembly of third are the spring catch, and when one of them spacing subassembly was connected on last casing, corresponding spring catch stretched into spacing downthehole.

As further optimization, the upper end of interior pivot is connected with the handle, the axial direction of the length direction perpendicular to adversion axle of handle.

As further optimization, the under bracing seat slides and sets up the lower extreme at last casing, and is provided with adjusting screw between under bracing seat and the last casing, and adjusting screw's tail end and under bracing seat rotate to be connected, adjusting screw's middle part and last casing spiro union.

As further optimization, go up the V type piece and be provided with the guide bar down between the V type piece, and the guide bar is provided with two, and two guide bars are fixed respectively in the both sides of last V type piece, and the both sides of V type piece all are provided with the guiding hole down, and the lower extreme of guide bar slides and stretches into in the guiding hole.

As further optimization, the outside upside of going up the casing is provided with operating handle.

The utility model has the advantages that:

1. when the utility model is used, the outer sleeve is connected with the upper shell through the second limiting component and the third limiting component, the upper V-shaped block and the lower V-shaped block are respectively adjusted to be in contact with the electric spindle, then the outer sleeve is connected with the upper shell through the first limiting component, and the upper V-shaped block and the lower V-shaped block are driven to simultaneously clamp the electric spindle; the centering treatment is carried out after the centering treatment is carried out for the first time, and even if the electric spindles with different diameters are replaced on the machine tool with the same specification, the upper V-shaped block and the lower V-shaped block do not need to be independently adjusted, and the upper V-shaped block and the lower V-shaped block are directly driven to simultaneously act and clamp;

2. the utility model discloses a lower support seat passes through adjusting screw and is connected with last casing, can adjust the whole height of anchor clamps through lower support seat, conveniently is suitable for the electricity main shaft of different specification lathe.

Drawings

Fig. 1 is a front view schematically illustrating the present invention;

3 fig. 3 2 3 is 3 a 3 schematic 3 sectional 3 view 3 in 3 the 3 direction 3 of 3 a 3- 3 a 3 in 3 fig. 3 1 3. 3

Wherein: 1. the device comprises an upper shell, 2, a second lead screw, 3, an operating handle, 4, a third driven gear, 5, a fourth driven gear, 6, an upper V-shaped block, 7, a guide rod, 8, a lower V-shaped block, 9, an adjusting screw rod, 10, a lower supporting seat, 11, a first lead screw, 12, a driving gear, 13, a second driven gear, 14, an inner rotating shaft, 15, a first driven gear, 16, a third spring pin, 17, a second spring pin, 18, a first spring pin, 19, an outer sleeve, 20 and a handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The embodiment provides an electric spindle tool clamp, as shown in fig. 1 and 2, which includes an upper housing 1, a lower supporting seat 10, and an intermediate clamping device, for facilitating the handling of the tool clamp, an operating handle 3 is disposed on an upper side of an exterior of the upper housing 1, the intermediate clamping device includes a first lead screw 11, a second lead screw 2, an upper V-shaped block 6, a lower V-shaped block 8, and a driving assembly, the upper V-shaped block 6 and the lower V-shaped block 8 are disposed in parallel and opposite to each other, the first lead screw 11 and the second lead screw 2 are rotatably disposed in the upper housing 1, the first lead screw 11 and the second lead screw 2 are respectively disposed on two sides of the upper V-shaped block 6 and two sides of the lower V-shaped block 8, one side of the upper V-shaped block 6 close to the first lead screw 11 is screwed to the first lead screw 11, one side of the upper V-shaped block 6 close to the second lead screw 2 is slidably connected to the second lead screw 2, that is one side of the upper V-shaped block, the other side of the upper V-shaped block 6 is connected with the second lead screw 2 in a sliding mode through a sliding block, and a sliding hole in the sliding block corresponds to the outer diameter of the second lead screw 2; one side of the lower V-shaped block 8, which is close to the first lead screw 11, is in sliding connection with the first lead screw 11, and one side of the lower V-shaped block 8, which is close to the second lead screw 2, is in threaded connection with the second lead screw 2. The driving assembly comprises an outer sleeve 19 and an inner rotating shaft 14, the outer sleeve 19 is connected to the upper part of the upper shell 1 in a sliding manner along the axial direction, a limit hole is arranged at the upper end of the upper shell 1, a first spring pin 18, a second spring pin 17 and a third spring pin 16 are arranged at intervals in the axial direction of the outer sleeve 19, the inner rotating shaft 14 is rotatably arranged in the outer sleeve 19, a handle 20 is arranged at the upper end of the inner rotating shaft 14, a driving gear 12 is fixedly arranged at the lower end of the inner rotating shaft 14, a first driven gear 15 and a second driven gear 13 are fixedly arranged on the first lead screw 11 at intervals, a third driven gear 4 and a fourth driven gear 5 are fixedly arranged on the second lead screw 2 at intervals, the second driven gear 13 and the fourth driven gear 5 are positioned on the same horizontal plane, when the first spring pin 18 on the outer sleeve 19 is inserted into the limit hole of the upper shell 1, two sides of the driving gear 12 are respectively engaged with the second driven gear 13 and the fourth, when the handle 20 drives the inner rotating shaft 14 to rotate, the upper V-shaped block 6 and the lower V-shaped block 8 move oppositely or oppositely; when the second spring pin 17 on the outer sleeve 19 is inserted into the limit hole of the upper shell 1, the driving gear 12 is meshed with the third driven gear 4, and the lower V-shaped block 8 moves up and down when the handle 20 drives the inner rotating shaft 14 to rotate; when the third spring pin 16 on the outer sleeve 19 is inserted into the limiting hole of the upper shell 1, the driving gear 12 is meshed with the first driven gear 15, and the upper V-shaped block 6 moves up and down when the handle 20 drives the inner rotating shaft 14 to rotate.

In this embodiment, the lower support seat 10 is slidably disposed at the lower end of the upper casing 1, an adjusting screw 9 is disposed between the lower support seat 10 and the upper casing 1, the tail end of the adjusting screw 9 is rotatably connected to the lower support seat 10, and the middle of the adjusting screw 9 is screwed to the upper casing 1. The overall height of the clamp can be adjusted by adjusting the lower support seat, the heights of the central axes of the electric spindles are different in machine tools with different specifications, and the overall height of the clamp needs to be adjusted by adjusting the lower support seat.

In this embodiment, the guide rods 7 are arranged between the upper V-shaped block 6 and the lower V-shaped block 8, the two guide rods 7 are arranged, the two guide rods 7 are respectively fixed on two sides of the upper V-shaped block 6, guide holes are formed in two sides of the lower V-shaped block 8, and the lower end of each guide rod 7 extends into each guide hole in a sliding manner.

The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides an electricity main shaft frock clamp which characterized in that: the middle clamping device comprises a first lead screw, a second lead screw, an upper V-shaped block, a lower V-shaped block and a driving assembly, wherein the upper V-shaped block and the lower V-shaped block are arranged in parallel and opposite to each other, the first lead screw and the second lead screw are rotatably arranged in the upper shell, the first lead screw and the second lead screw are respectively positioned at two sides of the upper V-shaped block, one side of the upper V-shaped block close to the first lead screw is in threaded connection with the first lead screw, one side of the upper V-shaped block close to the second lead screw is in sliding connection with the second lead screw, one side of the lower V-shaped block close to the first lead screw is in sliding connection with the first lead screw, one side of the lower V-shaped block close to the second lead screw is in threaded connection with the second lead screw, when the driving assembly acts, three moving states of only the upper V-shaped block, only the lower V-shaped block and the upper V-shaped block and the lower V-shaped block exist, and when the upper V-shaped block and the lower V-shaped, the moving directions of the upper V-shaped block and the lower V-shaped block are opposite or opposite.

2. The motorized spindle tooling fixture of claim 1, wherein: the driving assembly comprises an outer sleeve and an inner rotating shaft, the outer sleeve is connected to the upper part of the upper shell in a sliding mode along the axial direction of the outer sleeve, a first limiting assembly, a second limiting assembly and a third limiting assembly are arranged on the outer sleeve at intervals, the inner rotating shaft is rotatably arranged in the outer sleeve, a driving gear is fixedly arranged at the lower end of the inner rotating shaft, a first driven gear and a second driven gear are fixedly arranged on a first lead screw at intervals, a third driven gear and a fourth driven gear are fixedly arranged on a second lead screw at intervals, the second driven gear and the fourth driven gear are positioned on the same horizontal plane, when the outer sleeve is connected to the upper shell through the first limiting assembly, two sides of the driving gear are respectively meshed with the second driven gear and the fourth driven gear, when the outer sleeve is connected to the upper shell through the second limiting assembly, the driving gear is meshed with the third driven gear, and when the outer sleeve is connected to the upper shell through the third limiting assembly, the driving gear is meshed with the first driven gear.

3. The motorized spindle tooling fixture of claim 2, wherein: the upper end of the upper shell is provided with a limiting hole, the first limiting assembly, the second limiting assembly and the third limiting assembly are spring pins, and when one of the limiting assemblies is connected to the upper shell, the corresponding spring pin extends into the limiting hole.

4. The motorized spindle tooling fixture of claim 2, wherein: the upper end of the inner rotating shaft is connected with a handle, and the length direction of the handle is perpendicular to the axial direction of the inner rotating shaft.

5. The motorized spindle tooling fixture of claim 1, wherein: the lower support seat is arranged at the lower end of the upper shell in a sliding mode, an adjusting screw rod is arranged between the lower support seat and the upper shell, the tail end of the adjusting screw rod is rotatably connected with the lower support seat, and the middle of the adjusting screw rod is in threaded connection with the upper shell.

6. The motorized spindle tooling fixture of claim 1, wherein: the guide rods are arranged between the upper V-shaped block and the lower V-shaped block and are respectively fixed on two sides of the upper V-shaped block, guide holes are formed in two sides of the lower V-shaped block, and the lower ends of the guide rods extend into the guide holes in a sliding mode.

7. The motorized spindle tooling fixture of claim 1, wherein: an operating handle is arranged on the upper side of the outer part of the upper shell.