CN219075078U

CN219075078U - Auxiliary balancing device of numerical control lathe

Info

Publication number: CN219075078U
Application number: CN202223542888.0U
Authority: CN
Inventors: 涂齐才; 白生文; 葛建伟
Original assignee: Headman Shanghai Automation Technology Co ltd
Current assignee: Headman Shanghai Automation Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-26
Anticipated expiration: 2032-12-29

Abstract

The utility model provides an auxiliary balancing device of a numerical control lathe, and belongs to the technical field of machine tools. The balance cylinder solves the problems that an existing balance cylinder is inconvenient to install on a spindle box and the like. This supplementary balancing unit of numerical control lathe sets up between numerical control lathe's headstock and saddle, including the balance cylinder, be fixed with the connecting block on the cylinder body of balance cylinder, the connecting block passes through fixing bolt fixed connection on the headstock, the through-hole has been seted up on the connecting block, fixing bolt's pole portion pass behind the through-hole with headstock threaded connection, have the locating surface on the side of headstock, it leans on the face to have on the connecting block to paste to lean on the locating surface, fixedly connected with convex location sand grip that is the horizontal extension on the face of leaning on, have the location bar groove that corresponds with the location sand grip on the locating surface, the location sand grip is embedded into in the location bar groove. The balance cylinder in the auxiliary balance device of the numerically controlled lathe is convenient to install on the spindle box.

Description

Auxiliary balancing device of numerical control lathe

Technical Field

The utility model belongs to the technical field of machine tools, and relates to an auxiliary balancing device of a numerical control lathe.

Background

The numerical control lathe can be divided into a horizontal lathe and a vertical lathe according to different positions of the main spindle box, the main spindle box of the horizontal lathe is transversely arranged, and the main spindle box of the vertical lathe is vertically arranged. The main spindle box of the vertical lathe can also ascend, descend and slide left and right, a stand column is fixed on the lathe bed of the vertical lathe, a saddle capable of moving left and right is arranged on the stand column, and the main spindle box capable of ascending and descending is arranged on the saddle. In order to improve the stability of the up-and-down lifting motion of the main spindle box, an auxiliary balancing device is arranged between the main spindle box and the saddle.

A nitrogen balancer for machine tool spindle assembly as disclosed in chinese patent literature [ application number: CN201621236544.9; bulletin number: CN 206253959U ] comprising a body with a cylinder structure, a gas filling port is provided at the top of the body, a sleeve is provided at the end of the body, a flange is provided on the sleeve in an integrated manner, a plurality of bolt holes penetrating the thickness direction of the flange are provided on the flange, the flange divides the sleeve into two sections, one section of sleeve is screwed into the end of the body, the other section of sleeve is used for installing a connecting block, the body is connected with a machine tool spindle assembly through the connecting block, and the body ascends or descends synchronously with the machine tool spindle. The piston rod is arranged in the body, the tail end of the piston rod penetrates through the sleeve to extend out of the tail end of the body, the tail end of the piston rod is provided with a floating support plate for preventing the piston rod from bearing eccentric load, and the tail end of the piston rod is fixed on a machine tool fixing piece through the floating support plate. The connecting block is provided with a connecting part fixed with the main shaft component of the machine tool, the connecting part is provided with a through hole, a fixing bolt is penetrated in the through hole, and the fixing bolt is in threaded connection with a bolt hole on the main shaft component after penetrating through the through hole.

In the balancer, the body and the piston rod form a balance cylinder, the spindle assembly is a spindle box, and the balance cylinder can be an air cylinder or a hydraulic cylinder. When the balance cylinder is installed, the balance cylinder needs to be lifted to a certain height position of the main shaft box, the through holes on the connecting block are aligned with the bolt holes on the main shaft box, and then the fixing bolts penetrate into the through holes and the bolt holes and are screwed down. The balance cylinder is required to be always kept in a vertical state in the process of lifting the balance cylinder, the balance cylinder is in a long cylinder shape, shaking easily occurs in the process of lifting, and therefore when the fixing bolt does not penetrate into the through hole and the bolt hole after the through hole and the bolt hole are aligned, the situation that the fixing bolt cannot be smoothly inserted into the bolt hole due to dislocation of the through hole and the bolt hole caused by shaking of the balance cylinder occurs easily, and the balance cylinder is inconvenient to install on a spindle box.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, provides an auxiliary balancing device for a numerical control lathe, and solves the technical problem that an existing balancing cylinder is inconvenient to install on a spindle box.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides an auxiliary balancing device of numerical control lathe, sets up between numerical control lathe's headstock and saddle, including the balance cylinder, be fixed with the connecting block on the cylinder body of balance cylinder, the connecting block passes through fixing bolt fixed connection on the headstock, the through-hole has been seted up on the connecting block, fixing bolt's pole portion pass behind the through-hole with headstock threaded connection, a serial communication port, have the locating surface on the side of headstock, it leans on the face to have on the connecting block to paste to lean on, fixedly connected with convex location sand grip that is the horizontal extension on the face of leaning on, have the location bar groove that corresponds with the location sand grip on the locating surface, the location sand grip is embedded into in the location bar groove.

When the balance cylinder is installed, the balance cylinder is vertically supported firstly, the abutting surface of the connecting block faces the positioning surface of the main shaft box, the positioning convex strips are aligned with the positioning strip grooves, then the balance cylinder is moved, the positioning convex strips are embedded into the positioning strip grooves, the abutting surface abuts against the positioning surface, the positioning of the balance cylinder in the vertical direction is realized through the matching of the positioning convex strips and the positioning strip grooves, then the balance cylinder is horizontally moved under the condition that the abutting surface abuts against the positioning surface, the through hole of the connecting block is aligned with the bolt hole on the main shaft box, at the moment, the balance cylinder is not easy to shake due to the positioning effect between the positioning convex strips and the positioning strip grooves, the through hole of the connecting block and the bolt hole of the main shaft box can be kept in an aligned state, and the fixing bolt smoothly passes through the through hole and is inserted into the bolt hole, so that the balance cylinder is convenient to install on the main shaft box.

In the auxiliary balancing device for the numerical control lathe, the upper end face and the lower end face of the connecting block are respectively provided with the convex upper lug and the convex lower lug, the upper lug and the lower lug are respectively provided with the through holes, the positioning convex strips are positioned between the upper lug and the lower lug, and the abutting face extends to the upper end face of the upper lug and the lower end face of the lower lug.

The arrangement of the upper lug and the lower lug can increase the contact area between the contact surface and the positioning surface, so that the connecting block is fixed and stable on the spindle box. The upper lug and the lower lug are positioned on the upper side and the lower side of the positioning raised line, so that the connecting block is uniformly stressed during installation and positioning, and stable positioning is convenient to form.

In the auxiliary balancing device for the numerical control lathe, the abutting surface is provided with the mounting strip groove, and the positioning convex strips are fixedly arranged in the mounting strip groove. The installation strip groove has a positioning effect on the positioning convex strips, and the installation of the positioning convex strips on the connecting block is facilitated by the installation of the installation strip groove.

In the auxiliary balancing device for the numerical control lathe, the saddle is fixedly provided with the mounting seat, the mounting seat is fixedly provided with the support, and the piston rod of the balancing cylinder extends downwards and abuts against the support. The setting of mount pad provides the support for the installation of support, makes support simple to operate.

In the auxiliary balancing device of the numerical control lathe, the mounting seat comprises a plate-shaped fixing plate, the fixing plate is vertically arranged and is fixed with the saddle, one end of the fixing plate extends out to the position right below the balancing cylinder and forms a suspension part, a supporting plate which is horizontally arranged is fixedly welded on the upper side edge of the suspension part, and the supporting seat is fixedly connected to the supporting plate. The installation seat composed of the fixing plate and the supporting plate realizes the conversion from the vertical installation position of the saddle to the horizontal installation position of the support, and is convenient for the installation of the support.

In the auxiliary balancing device for the numerical control lathe, one end of the fixed plate, which is far away from the support, and the middle position of the fixed plate are fixedly connected to the saddle through the mounting bolts. The fixing plate is fixedly connected at two positions, so that the fixing plate is fixedly and stably fixed on the saddle.

Compared with the prior art, the utility model has the following advantages:

set up the location sand grip on the face of leaning on of connecting block, set up the location strip groove on the locating surface of headstock, lean on and the location sand grip is embedded into the location strip groove through the face of leaning on with the locating surface and fix a position, make the balance jar be difficult for taking place to rock when the installation, make the through-hole on the connecting block and the quick stable alignment of bolt hole on the headstock, improved the convenience of balance jar installation.

Drawings

FIG. 1 is a perspective view of a first embodiment of an auxiliary balancing apparatus for a numerically controlled lathe;

fig. 2 is an enlarged view of a portion of the connection block of fig. 1.

Fig. 3 is a cross-sectional view of the auxiliary balance device for the numerically controlled lathe at the fixing bolt in the first embodiment.

In the figure, 1, a main spindle box; 1a, bolt holes; 1b, positioning surfaces; 1c, positioning strip grooves; 2. a saddle; 3. a balancing cylinder; 4. a connecting block; 4a, through holes; 4b, an abutting surface; 4c, upper lugs; 4d, lower lugs; 4e, installing a strip groove; 5. a fixing bolt; 6. positioning convex strips; 7. a mounting base; 7a, a fixing plate; 7a1, a hanging part; 7b, a supporting plate; 8. a support; 9. and (5) installing a bolt.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

Example 1

As shown in fig. 1-3, an auxiliary balancing device of a numerically controlled lathe is arranged between a headstock 1 and a saddle 2 of the numerically controlled lathe and comprises a balancing cylinder 3, a connecting block 4 is fixed on a cylinder body of the balancing cylinder 3, and the connecting block 4 is fixedly connected to the headstock 1 through a fixing bolt 5. The connecting block 4 is provided with a through hole 4a, the spindle box 1 is provided with a bolt hole 1a corresponding to the through hole 4a, and the rod part of the fixing bolt 5 passes through the through hole 4a and is in threaded connection with the bolt hole 1a of the spindle box 1.

The side of the spindle box 1 is provided with a positioning surface 1b, the connecting block 4 is provided with an abutting surface 4b abutting against the positioning surface 1b, the abutting surface 4b is fixedly connected with a convex positioning convex strip 6 extending horizontally, the positioning surface 1b is provided with a positioning strip groove 1c corresponding to the positioning convex strip 6, and the positioning convex strip 6 is embedded into the positioning strip groove 1 c. The positioning convex strip 6 can slide in the positioning strip groove 1c, the upper surface of the positioning convex strip 6 is abutted against the upper side surface of the positioning strip groove 1c, and the lower surface of the positioning convex strip 6 is abutted against the lower side surface of the positioning strip groove 1 c. The positioning raised strips 6 are long-strip-shaped, the cross sections of the positioning raised strips 6 are rectangular, the positioning strip grooves 1c are long-strip-shaped, and the cross sections of the positioning strip grooves 1c are also rectangular.

The upper end face and the lower end face of the connecting block 4 are respectively provided with a convex upper lug 4c and a convex lower lug 4d, and the upper lug 4c and the lower lug 4d are respectively provided with two through holes 4a. The positioning rib 6 is located between the upper lug 4c and the lower lug 4d, and the abutment surface 4b extends to the upper end surface of the upper lug 4c and the lower end surface of the lower lug 4 d. The abutting surface 4b is provided with a mounting strip groove 4e, and the positioning convex strip 6 is fixedly arranged in the mounting strip groove 4 e. The mounting bar groove 4e is long, and the cross section of the mounting bar groove 4e is rectangular. The positioning convex strips 6 are fixedly connected to the connecting block 4 through screws, threaded holes are formed in the bottom surfaces of the mounting strip grooves 4e, and the screws penetrate through the positioning convex strips 6 and are in threaded connection with the threaded holes.

The saddle 2 is fixedly provided with a mounting seat 7, the mounting seat 7 is fixedly provided with a support 8, and a piston rod of the balance cylinder 3 extends downwards and abuts against the support 8. The mounting seat 7 comprises a plate-shaped fixing plate 7a, the fixing plate 7a is vertically arranged and is fixed with the saddle 2, one end of the fixing plate 7a extends out to the position right below the balance cylinder 3 and forms a suspension part 7a1, a support plate 7b which is horizontally arranged is fixedly welded on the upper side edge of the suspension part 7a1, and the support seat 8 is fixedly connected to the support plate 7 b. The support 8 is provided with a flange plate which is fixedly connected with the supporting plate 7b through bolts. The end of the fixed plate 7a far away from the support 8 and the middle position of the fixed plate 7a are fixedly connected to the saddle 2 through the mounting bolts 9, namely, the rod parts of the mounting bolts 9 penetrate through the fixed plate 7a and are in threaded connection with the saddle 2. The fixing plate 7a has two mounting bolts 9 arranged in the up-down direction at one end away from the support 8, and three mounting bolts 9 arranged in the up-down direction are provided at the intermediate position of the fixing plate 7 a.

When the balance cylinder 3 is installed, firstly, the balance cylinder 3 is vertically supported, the abutting surface 4b of the connecting block 4 faces the positioning surface 1b of the spindle box 1, the positioning raised strips 6 are aligned with the positioning strip grooves 1c, then the balance cylinder 3 is moved, the positioning raised strips 6 are embedded into the positioning strip grooves 1c, the abutting surface 4b abuts against the positioning surface 1b, the balance cylinder 3 is positioned in the up-down direction and the left-right direction through the matching of the positioning raised strips 6 and the positioning strip grooves 1c and the matching of the abutting surface 4b and the positioning surface 1b, then the balance cylinder 3 is moved back and forth under the condition that the abutting surface 4b abuts against the positioning surface 1b, the through holes 4a of the connecting block 4 are aligned with the bolt holes 1a of the spindle box 1, at this time, the balance cylinder 3 is not easy to shake due to the positioning effect between the positioning raised strips and the positioning strip grooves 1c, the through holes 4a of the connecting block 4 and the bolt holes 1a of the spindle box 1 can be kept aligned, the fixing bolts 5 smoothly penetrate through the through holes 4a and are inserted into the bolt holes 1a, and the balance cylinder 3 is convenient to install on the spindle box 1.

Example two

The positioning convex strips 6 are integrally formed on the connecting block 4, and other structures are the same as those of the first embodiment.

Example III

The structure of the mounting seat 7 is different from that of the first embodiment, the mounting seat 7 is in a block shape, one end of the mounting seat 7 is attached to the side face of the saddle 2 and is fixed through a bolt, the other end of the mounting seat 7 is located under the balance cylinder 3, and the support 8 is fixedly connected to the upper surface of the other end of the mounting seat 7. The other structure is the same as that of the first embodiment.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides an auxiliary balancing device of numerical control lathe, sets up between headstock (1) and saddle (2) of numerical control lathe, including balance cylinder (3), be fixed with connecting block (4) on the cylinder body of balance cylinder (3), connecting block (4) are through fixing bolt (5) fixed connection on headstock (1), through-hole (4 a) have been seted up on connecting block (4), behind through-hole (4 a) passed in the pole portion of fixing bolt (5) with headstock (1) threaded connection, a serial communication port, have locating surface (1 b) on the side of headstock (1), have on connecting block (4) and paste and lean on face (4 b) on, fixedly connected with convex location sand grip (6) that are the level and extend on face (4 b), have on face (1 b) and fix a position sand grip (6) and correspond location sand grip (1 c), location sand grip (6) are embedded into in location sand grip (1 c).

2. The numerically controlled lathe auxiliary balancing device according to claim 1, wherein the upper end face and the lower end face of the connecting block (4) are respectively provided with a convex upper lug (4 c) and a convex lower lug (4 d), the upper lug (4 c) and the lower lug (4 d) are respectively provided with the through hole (4 a), the positioning convex strip (6) is positioned between the upper lug (4 c) and the lower lug (4 d), and the abutting face (4 b) extends to the upper end face of the upper lug (4 c) and the lower end face of the lower lug (4 d).

3. The auxiliary balancing device of the numerically controlled lathe according to claim 2, wherein the abutting surface (4 b) is provided with a mounting strip groove (4 e), and the positioning convex strip (6) is fixedly arranged in the mounting strip groove (4 e).

4. A numerically controlled lathe auxiliary balancing device according to any one of claims 1-3, wherein a mounting seat (7) is fixed on the saddle (2), a support (8) is fixed on the mounting seat (7), and a piston rod of the balancing cylinder (3) extends downwards and abuts against the support (8).

5. The numerically controlled lathe auxiliary balancing device according to claim 4, wherein the mounting base (7) comprises a plate-shaped fixing plate (7 a), the fixing plate (7 a) is vertically arranged and fixed with the saddle (2), one end of the fixing plate (7 a) extends out to the position right below the balancing cylinder (3) and forms a suspension part (7 a 1), a support plate (7 b) horizontally arranged is fixedly welded on the upper side edge of the suspension part (7 a 1), and the support seat (8) is fixedly connected to the support plate (7 b).

6. The auxiliary balancing device of the numerically controlled lathe according to claim 5, wherein one end of the fixing plate (7 a) far away from the support (8) and the middle position of the fixing plate (7 a) are fixedly connected to the saddle (2) through the mounting bolts (9).