CN218874579U

CN218874579U - Positioning fixture for machine tool

Info

Publication number: CN218874579U
Application number: CN202320478399.9U
Authority: CN
Inventors: 商要祥; 李巍
Original assignee: Shenyang Hengshang Special Steel Co ltd
Current assignee: Shenyang Hengshang Special Steel Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-04-18
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses a positioning fixture for lathe, include: the top of the adjusting device is connected with clamping blocks, and the two clamping blocks are used for oppositely clamping the plate; the top end of the clamping block is provided with a pressing device, the pressing device is used for pressing the pipe, and two sides between the clamping block and the pressing device are both connected with mounting assemblies; the pressing device comprises a mounting plate and an elastic pressing mechanism, the mounting plate is arranged on the top end of the clamping block, a plurality of bearing grooves are formed in the top of the clamping block, and the elastic pressing mechanism and the bearing grooves are arranged oppositely. The utility model discloses a take inside the bearing groove of tubular part on two clamp splices to make two clamp splices can rationally bear the weight of the part according to the length of tubular part, then relax the external force of applying to the arm-tie, through the elastic support power of spring under the compression state, push down telescopic pressure material subassembly, thereby alright realize the fixed to tubular part, make the centre gripping of part more diversified, use more in a flexible way.

Description

Positioning fixture for machine tool

Technical Field

The utility model relates to a positioning fixture field, in particular to positioning fixture for lathe.

Background

In the prior art, the patent application No. CN202220403675.0 discloses a positioning fixture for a CNC numerical control machine, wherein a clamping arm is disposed above a clamping seat and at one end of a chute, a moving component is disposed between the clamping arm and the clamping seat, and the moving component drives the clamping arm to move relatively to clamp and fix a workpiece.

But through the relative motion of centre gripping arm, can only carry out the centre gripping to tubulose part, or cubic part and fix, but can not compress tightly fixedly to tubulose part, add man-hour to tubulose part as needs, need reuse pipe fitting anchor clamps, bear the back fixedly to the pipe fitting to the centre gripping that leads to the part is comparatively single, can not fix multiple type of part, makes the fixed not flexible enough of part.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioning fixture for lathe to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a positioning jig for a machine tool, comprising:

the top of the adjusting device is connected with clamping blocks, and the two clamping blocks are used for oppositely clamping the plate;

the top end of the clamping block is provided with a pressing device, the pressing device is used for pressing the pipe, and two sides between the clamping block and the pressing device are connected with mounting components;

the pressing device comprises an installation plate and an elastic pressing mechanism, the installation plate is arranged on the top end of the clamping block, a plurality of bearing grooves are formed in the top of the clamping block, and the elastic pressing mechanism and the bearing grooves are arranged oppositely.

Preferably, the bearing groove is V-shaped, the mounting plate is provided with a plurality of slots, and the bottom of the elastic pressing mechanism is in sliding connection with the inner cavities of the slots.

Preferably, the elasticity pushes down the mechanism and includes gag lever post, spring and telescopic material subassembly of pressing, the bottom and the telescopic material subassembly fixed connection of pressing of gag lever post, telescopic material subassembly and grooved inner chamber sliding connection of pressing, the outside of gag lever post is located to the spring movable sleeve, the top sliding interlude of gag lever post and mounting panel is connected.

Preferably, the elastic pressing mechanism further comprises a pulling plate, and the top end of the limiting rod is fixedly connected with the pulling plate.

Preferably, the telescopic material pressing assembly comprises a sleeve plate and a pressing plate, the sleeve plate is fixedly connected to the bottom end of the limiting rod, and the pressing plate is in sliding sleeve connection with an inner cavity of the sleeve plate.

Preferably, the mounting assembly comprises a fixing block, a threaded column and a nut, wherein one of the fixing block and the clamping block is fixedly connected, the top end of the threaded column is fixedly connected with the fixing block, the other threaded column is fixedly connected with the mounting plate, the threaded column is slidably inserted and connected with the fixing block, and the nut is sleeved outside the threaded column in a threaded manner.

Preferably, adjusting device includes base, two-way lead screw and slider, two-way lead screw rotates and sets up in the inside of base, two the slider is the symmetry and sets up in the inside of base, two-way lead screw and slider screw thread alternate and are connected, be connected with the connecting block between slider and the clamp splice, the top slip alternate of connecting block and base is connected, the slip alternate has the guide bar on the slider, guide bar fixed mounting is in the inside of base.

The utility model discloses a technological effect and advantage:

the utility model discloses utilize two-way lead screw and slider matched with mode of setting, through driving two-way lead screw and carrying out the rotation in the inside of base, then through the slip interlude between guide bar and the slider, thereby be convenient for carry on spacingly to the motion of slider, make the linear motion of slider more stable, and then through the threaded interlude connection between two-way lead screw and the slider, thereby can be through the rotation of two-way lead screw, drive the relative motion or the back-to-back motion of two sliders, make clamp splice relative motion can carry out the centre gripping to plate-shaped part or cubic part and fix;

the utility model discloses utilize mounting panel and elasticity to push down mechanism matched with mode of setting, when needs are fixed to the tubular part, through shifting up the pulling plate, make the pulling plate drive the synchronous upward movement of two gag lever posts, thereby under the connection of gag lever post, make telescopic pressing material subassembly follow the pulling plate and move together, then place the tubular part in the inside of bearing groove, through the inside of bearing groove with the tubular part of taking on two clamp splices, thereby make two clamp splices can be according to the length of tubular part, rationally bear the weight of the part, then relax the external force of applying to the pulling plate, elastic support power through the spring under the compression state, push down telescopic pressing material subassembly, make telescopic pressing material subassembly compress tightly the tubular part after bearing, thereby alright realize the fixing to the tubular part, make the centre gripping of part more diversified, it is more nimble to use.

Drawings

Fig. 1 is a schematic front structural view of the present invention.

Fig. 2 is the schematic diagram of the internal structure of the adjusting device of the present invention.

Fig. 3 is a schematic view of the side internal structure of the present invention.

Fig. 4 is a schematic view of the side structure of the elastic pressing mechanism of the present invention.

Fig. 5 is the utility model discloses telescopic press material subassembly department spatial structure sketch map.

Fig. 6 is a schematic view of the three-dimensional structure of the installation component of the present invention.

In the figure: 1. an adjustment device; 11. a base; 12. a bidirectional screw rod; 13. a slider; 2. a clamping block; 3. a pressing device; 31. mounting a plate; 32. an elastic pressing mechanism; 321. a limiting rod; 322. a spring; 323. a telescopic material pressing component; 3231. sheathing; 3232. pressing a plate; 324. pulling a plate; 4. mounting the component; 41. a fixed block; 42. a threaded post; 43. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a positioning fixture for lathe as shown in fig. 1-6, include:

the top of the adjusting device 1 is connected with clamping blocks 2, and the two clamping blocks 2 are used for oppositely clamping the plate;

the top end of the clamping block 2 is provided with a pressing device 3, the pressing device 3 is used for pressing a pipe, two sides between the clamping block 2 and the pressing device 3 are both connected with mounting components 4, and the mounting components 4 are used for mounting the relative positions between the pressing device 3 and the clamping block 2;

the pressing device 3 comprises a mounting plate 31 and an elastic pressing mechanism 32, the mounting plate 31 is arranged at the top end of the clamping block 2, a plurality of bearing grooves are formed in the top of the clamping block 2, the elastic pressing mechanism 32 is arranged opposite to the bearing grooves, the bearing grooves are in a V shape, a plurality of grooves are formed in the mounting plate 31, the bottom of the elastic pressing mechanism 32 is in sliding connection with inner cavities of the grooves, the elastic pressing mechanism 32 comprises a limiting rod 321, a spring 322 and a telescopic pressing component 323, the bottom end of the limiting rod 321 is fixedly connected with the telescopic pressing component 323, the telescopic pressing component 323 is in sliding connection with the inner cavities of the grooves, the spring 322 is movably sleeved outside the limiting rod 321, the limiting rod 321 is in sliding penetrating connection with the top of the mounting plate 31, when the tubular part needs to be fixed, the pulling plate 324 is pulled upwards, make arm-tie 324 drive the synchronous upward movement of two gag lever posts 321, thereby under the connection of gag lever post 321, make telescopic press material subassembly 323 follow arm-tie 324 and move upward together, then place the tubular part in the inside of bearing groove, through taking the inside of bearing groove on two clamp splice 2 with the tubular part, thereby make two clamp splice 2 can be according to the length of tubular part, rationally bear the weight of the part, then relax the external force applied to arm-tie 324, through the elastic support power of spring 322 under the compression state, push down telescopic press material subassembly 323, make telescopic press material subassembly 323 compress tightly the tubular part after bearing, thereby alright realize fixing to the tubular part, make the centre gripping of part more diversified, it is more nimble to use.

The elastic pressing mechanism 32 further comprises a pulling plate 324, the top ends of the limiting rods 321 are fixedly connected with the pulling plate 324, the positions of the two limiting rods 321 are conveniently pulled through the pulling plate 324, downward movement of the telescopic material pressing assembly 323 is conveniently limited, excessive movement of the limiting rods 321 is prevented, and the telescopic material pressing assembly 323 is conveniently controlled through the pulling plate 324.

The telescopic material pressing assembly 323 comprises a sleeve plate 3231 and a pressing plate 3232, the sleeve plate 3231 is fixedly connected to the bottom end of the limiting rod 321, the pressing plate 3232 is in sliding sleeve connection with an inner cavity of the sleeve plate 3231, the sleeve plate 3231 is in sleeve connection with the pressing plate 3232, the sleeve plate 3231 is convenient to press a tubular part, the pressing plate 3232 is convenient to store, and the pressing plate 3232 is drawn out to press the plate part conveniently.

Installation component 4 includes fixed block 41, screw thread post 42 and nut 43, one of them fixed block 41 and clamp splice 2 fixed connection, screw thread post 42's top and this fixed block 41 fixed connection, wherein another screw thread post 42 and mounting panel 31 fixed connection, screw thread post 42 and this fixed block 41 slip alternate connection, the outside of screw thread post 42 is located to nut 43 thread bush, alternate between through fixed block 41 and screw thread post 42, thereby be convenient for carry on spacingly to the relative position between clamp splice 2 and the mounting panel 31, then screw up through nut 43, be convenient for fix the relative position between clamp splice 2 and the mounting panel 31.

Adjusting device 1 includes base 11, two-way lead screw 12 and slider 13, two-way lead screw 12 rotates and sets up in the inside of base 11, two sliders 13 are the symmetry and set up in the inside of base 11, two-way lead screw 12 and slider 13 threaded interpenetration are connected, be connected with the connecting block between slider 13 and the clamp splice 2, the connecting block is connected with the top sliding interpenetration of base 11, the guide bar has been worn to insert on the slider 13, guide bar fixed mounting is in the inside of base 11, carry out the rotation in the inside of base 11 through driving two-way lead screw 12, then pass through the sliding interpenetration between guide bar and slider 13, thereby be convenient for carry out spacingly to the motion of slider 13, make the rectilinear motion of slider 13 more stable, rethread threaded interpenetration between two-way lead screw 12 and the slider 13 is connected, thereby alright through the rotation of two-way lead screw 12, drive the relative motion or the back-to-on-back motion of two sliders 13, make clamp splice 2 relative motion can carry out the centre gripping fixed to plate form part or cubic part.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. A positioning jig for a machine tool, comprising:

the top of the adjusting device (1) is connected with a clamping block (2);

the method is characterized in that: the top end of the clamping block (2) is provided with a pressing device (3), and two sides between the clamping block (2) and the pressing device (3) are connected with mounting components (4);

closing device (3) include that mounting panel (31) and elasticity push down mechanism (32), mounting panel (31) set up in the top of clamp splice (2), a plurality of bearing grooves have been seted up at the top of clamp splice (2), the bearing groove is the V style of calligraphy, elasticity pushes down mechanism (32) and bearing groove and sets up relatively.

2. The positioning fixture for the machine tool according to claim 1, wherein a plurality of slots are formed in the mounting plate (31), and the bottom of the elastic pressing mechanism (32) is slidably connected with the inner cavity of the slots.

3. The positioning fixture for the machine tool according to claim 1, wherein the elastic pressing mechanism (32) comprises a limiting rod (321), a spring (322) and a telescopic pressing assembly (323), the bottom end of the limiting rod (321) is fixedly connected with the telescopic pressing assembly (323), the telescopic pressing assembly (323) is slidably connected with the slotted inner cavity, the spring (322) is movably sleeved outside the limiting rod (321), and the limiting rod (321) is slidably inserted into the top of the mounting plate (31).

4. The positioning clamp for the machine tool according to claim 3, wherein the elastic pressing mechanism (32) further comprises a pulling plate (324), and the top end of the limiting rod (321) is fixedly connected with the pulling plate (324).

5. The positioning clamp for the machine tool according to claim 3, wherein the telescopic pressing assembly (323) comprises a sleeve plate (3231) and a pressing plate (3232), the sleeve plate (3231) is fixedly connected to the bottom end of the limiting rod (321), and the pressing plate (3232) is slidably sleeved with an inner cavity of the sleeve plate (3231).

6. The positioning fixture for the machine tool according to claim 1, wherein the mounting assembly (4) comprises fixing blocks (41), threaded columns (42) and nuts (43), one of the fixing blocks (41) is fixedly connected with the clamping block (2), the top ends of the threaded columns (42) are fixedly connected with the fixing block (41), the other threaded column (42) is fixedly connected with the mounting plate (31), the threaded columns (42) are slidably inserted into the fixing block (41), and the nuts (43) are sleeved outside the threaded columns (42).

7. The positioning fixture for the machine tool is characterized in that the adjusting device (1) comprises a base (11), a bidirectional screw rod (12) and two sliding blocks (13), the bidirectional screw rod (12) is rotatably arranged inside the base (11), the two sliding blocks (13) are symmetrically arranged inside the base (11), the bidirectional screw rod (12) and the sliding blocks (13) are in threaded penetrating connection, a connecting block is connected between the sliding blocks (13) and the clamping block (2), the connecting block is in sliding penetrating connection with the top of the base (11), guide rods are slidably inserted on the sliding blocks (13), and the guide rods are fixedly arranged inside the base (11).