CN220388654U

CN220388654U - Lathe fixture for machining balance block groove

Info

Publication number: CN220388654U
Application number: CN202322082491.6U
Authority: CN
Inventors: 李文兵; 马金河; 陶文兵
Original assignee: ZHEJIANG BAIDA PRECISION MANUFACTURING CORP
Current assignee: ZHEJIANG BAIDA PRECISION MANUFACTURING CORP
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2024-01-26
Anticipated expiration: 2033-08-04

Abstract

The utility model provides a lathe fixture for machining a balancing block groove, and belongs to the technical field of fixtures. The problem that the machining efficiency is low when a milling machine is adopted to machine an existing balance block groove is solved. The lathe fixture for machining the balance block groove comprises a bottom plate and a cylinder pressing assembly, wherein a vertical plate which is vertically arranged is fixed on the bottom plate, and a positioning hole capable of positioning the balance block is formed in the vertical plate; the cylinder pressing assembly is fixed on the bottom plate and comprises a cylinder piston rod, the axial lead of the cylinder piston rod is parallel to the axial lead of the positioning hole, and the cylinder pressing assembly can press and fix the balance weight on the vertical plate. The utility model provides a fixture which is suitable for clamping a balance block and is suitable for being applied to a lathe, namely, a bottom plate is fixed on a horizontal slide carriage of a simple numerical control lathe, a cutter is arranged on a main shaft of the lathe, and a groove of the balance block is machined by adopting the simple numerical control lathe, so that the feeding speed of the lathe is higher, the machining efficiency of the groove in the balance block is improved, and the machining cost is reduced.

Description

Lathe fixture for machining balance block groove

Technical Field

The utility model belongs to the technical field of fixtures, and relates to a lathe fixture, in particular to a lathe fixture for machining a balancing block groove.

Background

The balance weight is a weight part mounted on the rotating element, so that the rotating element keeps dynamic balance under high-speed rotation. The compressor is the heart of the refrigeration system and the counterweight, which is a counterweight that maintains dynamic balance when the compressor motor rotor rotates at high speed, is typically mounted on the rotor end face.

The balance block shown in fig. 1 is provided with a groove, and the groove is milled by a milling machine at present. With the development of society, the output of air conditioners is larger and larger, and only China has over 20000 thousands; the improvement of the processing efficiency and the reduction of the production cost are always the beneficial effects pursued by manufacturers of spare parts of the air conditioner. For this reason, those skilled in the art want to further improve the processing efficiency and reduce the processing cost of the groove processing in the balance weight.

Disclosure of Invention

The utility model provides a lathe fixture for machining a groove of a balance block, and aims to solve the technical problems of improving machining efficiency and reducing machining cost of machining the groove in the balance block.

The technical problems to be solved by the utility model can be realized by the following technical proposal: the lathe fixture for machining the balance block groove is characterized by comprising a bottom plate and a cylinder pressing assembly, wherein a vertical plate which is vertically arranged is fixed on the bottom plate, and a positioning hole capable of positioning the balance block is formed in the vertical plate; the cylinder pressing assembly is fixed on the bottom plate and comprises a cylinder piston rod, the axial lead of the cylinder piston rod is parallel to the axial lead of the positioning hole, and the cylinder pressing assembly can press and fix the balance weight on the vertical plate.

Taking the balance block shown in fig. 1 as an example, the balance block is provided with an annular mounting part and a horseshoe-shaped balance weight part, and the groove is positioned on the side surface of the balance weight part. The shape of the positioning hole is matched with the shape of the counterweight part, namely the counterweight part is plugged into the positioning hole to realize the position of the pre-positioning counterweight; the cylinder pressing component generates axial thrust to the mounting part, so that the mounting part is abutted against the vertical plate, and the balance weight is clamped and fixed. When the balance weight is disassembled, the cylinder piston rod of the balance weight positioning assembly is controlled to retract, and then the balance weight is pulled out. The lathe fixture not only can quickly assemble and disassemble the balance weight and improve the processing efficiency, but also has the advantage of firm clamping.

Compared with the prior art, the fixture is suitable for clamping the balance weight and is suitable for being applied to a lathe, namely, the bottom plate is fixed on the transverse carriage of the simple numerical control lathe, the cutter is arranged on the main shaft of the lathe, the groove of the balance weight is machined by adopting the simple numerical control lathe, the feeding speed of the lathe is higher, and therefore the machining efficiency of the groove in the balance weight is improved, and the machining cost is reduced.

Preferably, the number of the vertical plates is two, the number of the cylinder pressing assemblies is two, and the two groups of cylinder pressing assemblies and the two vertical plates are arranged in a one-to-one correspondence manner.

Preferably, the bottom plate is horizontally arranged, and a plurality of mounting holes are formed in the bottom plate.

Preferably, the vertical plate is vertically arranged and is fixedly connected with one end part of the bottom plate; the cylinder pressing assembly comprises a cylinder and a pressing block, the cylinder body of the cylinder is fixed on the bottom plate, the pressing block is fixedly connected with a cylinder piston rod, and the cylinder piston rod is perpendicular to the vertical plate.

Preferably, the vertical plate comprises a vertical base plate and a sliding block, the vertical base plate is provided with a mounting groove, the sliding block is embedded in the mounting groove, and a positioning hole is formed between one end face of the sliding block and one end face of the mounting groove.

Preferably, the upper and lower sides of the mounting groove and the upper and lower sides of the slider form a guide structure, and the moving slider can adjust the interval between one end surface of the slider and one end surface of the mounting groove.

Preferably, the vertical base plate and the sliding block are connected through bolts.

Preferably, a first bolt in threaded connection with the sliding block is arranged on the vertical base plate in a penetrating mode, a second bolt propped against the other end face of the sliding block is connected to the vertical base plate in a threaded mode, and the position of the sliding block can be adjusted by screwing the first bolt.

Preferably, the mounting groove is arranged in a penetrating way, a baffle is overlapped on the outer side of the vertical base plate, and the baffle is fixedly connected with the vertical base plate through bolts; the vertical base plate is positioned between the cylinder pressing assembly and the baffle plate.

Drawings

Fig. 1 is a schematic perspective view of a weight.

Fig. 2 and 3 are schematic perspective views of different angles of view of the lathe fixture.

Fig. 4 is a schematic diagram of the front view of the lathe fixture.

Fig. 5 is a schematic cross-sectional view of A-A of fig. 4.

In the figure, 1, a bottom plate; 2. a riser; 2a, vertical base plates; 2b, a sliding block; 2c, positioning holes; 2d, a first bolt; 2e, a second bolt; 2f, a baffle; 3. a cylinder pressing assembly; 3a, a cylinder; 3b, briquetting; 4. a horizontal slide carriage; 5. a balance weight; 5a, an installation part; 5b, a counterweight part; 5c, grooves.

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.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

As shown in fig. 2 to 5, the lathe fixture for the weight groove processing includes a bottom plate 1, a riser 2, and a cylinder pressing assembly 3.

The bottom plate 1 is horizontally arranged, and a plurality of mounting holes are formed in the bottom plate 1, so that the lathe fixture is conveniently fixed on the horizontal slide carriage 4 of the lathe through bolts. The vertical plate 2 is vertically arranged, and the vertical plate 2 is fixedly connected with one end part of the bottom plate 1; the cylinder pressing assembly 3 comprises a cylinder 3a and a pressing block 3b, the cylinder body of the cylinder 3a is fixed on the bottom plate 1, and the pressing block 3b is fixedly connected with the piston rod of the cylinder 3 a; the cylinder pressing assembly 3 is arranged on the bottom plate 1, a piston rod of the cylinder 3a is perpendicular to the vertical plate 2, and the arrangement structure avoids interference between a cutter and lathe parts and the lathe fixture.

The vertical plate 2 comprises a vertical base plate 2a and a sliding block 2b, the vertical base plate 2a is provided with a through installation groove, the sliding block 2b is embedded in the installation groove, a positioning hole 2c capable of positioning the balance weight 5 is formed between one end face of the sliding block 2b and one end face of the installation groove, namely, one end face of the sliding block 2b and one end face of the installation groove are both provided with positioning areas which are matched with the side faces of the balance weight 5. The upper and lower side surfaces of the installation groove and the upper and lower side surfaces of the slider 2b form a guide structure, thereby the interval between one end surface of the slider 2b and one end surface of the installation groove can be adjusted, the smoothness of plugging the balance weight 5 into the positioning hole 2c and pulling out the balance weight 5 can be improved by adjusting the interval, and the interval can be also adjusted according to the abrasion amount of the slider 2b and the vertical substrate 2 a.

The vertical base plate 2a and the sliding block 2b are connected through bolts, specifically, a first bolt 2d in threaded connection with the sliding block 2b is arranged on the vertical base plate 2a in a penetrating mode, a second bolt 2e propped against the other end face of the sliding block 2b is connected on the vertical base plate 2a in a threaded mode, the sliding block 2b can be locked through screwing the first bolt 2d and the second bolt 2e, the position of the sliding block 2b can be finely adjusted, adjustment of the distance is facilitated, and accuracy of adjusting the distance is improved.

The baffle plate 2f is overlapped on the outer side of the vertical substrate 2a, and the baffle plate 2f is fixedly connected with the vertical substrate 2a through bolts; the vertical base plate 2a is located between the pressing block 3b and the baffle plate 2f, and the baffle plate 2f is used for blocking the sliding block 2b from swinging along the axial line direction of the piston rod of the air cylinder 3 a.

The number of the vertical plates 2 is two, the number of the cylinder pressing assemblies 3 is two, the two groups of the cylinder pressing assemblies 3 and the two vertical plates 2 are arranged in a one-to-one correspondence mode, and therefore the lathe fixture is provided with two stations, one station is in a machining state in the machining process, the other station can be in a disassembling and assembling state, and the machining efficiency of the balancing block groove is further improved.

As shown in fig. 1, the weight 5 has an annular mounting portion 5a and a horseshoe-shaped weight portion 5b, and the shape of the positioning hole 2c matches the shape of the weight portion 5 b. When the balance weight 5 is installed, the balance weight 5 is firstly arranged between the vertical plate 2 and the pressing block 3b, and then the balance weight part 5b is plugged into the positioning hole 2 c; finally, the cylinder 3a is actuated, and the piston rod of the cylinder 3a is extended to automatically press the end face of the mounting portion 5a against the side face of the slider 2 b.

Claims

1. The lathe fixture for machining the balance block groove is characterized by comprising a bottom plate (1) and a cylinder pressing assembly (3), wherein a vertical plate (2) which is vertically arranged is fixed on the bottom plate (1), and a positioning hole (2 c) capable of positioning the balance block (5) is formed in the vertical plate (2); the cylinder pressing assembly (3) is fixed on the bottom plate (1), the cylinder pressing assembly (3) comprises a piston rod of a cylinder (3 a), the axial lead of the piston rod of the cylinder (3 a) is parallel to the axial lead of the positioning hole (2 c), and the cylinder pressing assembly (3) can press and fix the balance weight (5) on the vertical plate (2).

2. Lathe fixture for machining a recess of a balance block according to claim 1, characterized in that the number of the vertical plates (2) is two, the number of the cylinder pressing assemblies (3) is two, and the two groups of the cylinder pressing assemblies (3) and the two vertical plates (2) are arranged in a one-to-one correspondence.

3. The lathe fixture for machining the balance block groove according to claim 1, wherein the bottom plate (1) is horizontally arranged, and a plurality of mounting holes are formed in the bottom plate (1).

4. The lathe fixture for machining the balance block groove according to claim 1, wherein the vertical plate (2) is vertically arranged, and the vertical plate (2) is fixedly connected with one end part of the bottom plate (1); the cylinder pressing assembly (3) comprises a cylinder (3 a) and a pressing block (3 b), the cylinder body of the cylinder (3 a) is fixed on the bottom plate (1), the pressing block (3 b) is fixedly connected with a piston rod of the cylinder (3 a), and the piston rod of the cylinder (3 a) is perpendicular to the vertical plate (2).

5. The lathe fixture for machining the grooves of the balance blocks according to claim 1, 2, 3 or 4, wherein the vertical plate (2) comprises a vertical base plate (2 a) and a sliding block (2 b), a mounting groove is formed in the vertical base plate (2 a), the sliding block (2 b) is embedded in the mounting groove, and a positioning hole (2 c) is formed between one end face of the sliding block (2 b) and one end face of the mounting groove.

6. The lathe fixture for machining a recess of a balance weight according to claim 5, wherein the upper and lower sides of the installation groove and the upper and lower sides of the slider (2 b) form a guide structure, and the movement of the slider (2 b) adjusts a distance between one end surface of the slider (2 b) and one end surface of the installation groove.

7. Lathe fixture for the machining of counterweight grooves according to claim 5, characterized in that the vertical base plate (2 a) and the slide (2 b) are connected by means of bolts.

8. The lathe fixture for machining the balance block groove according to claim 7, wherein the vertical base plate (2 a) is provided with a first bolt (2 d) in threaded connection with the sliding block (2 b), the vertical base plate (2 a) is provided with a second bolt (2 e) in threaded connection with the other end face of the sliding block (2 b), and the position of the sliding block (2 b) can be adjusted by screwing the first bolt (2 d).

9. The lathe fixture for machining the balance block groove according to claim 5, wherein the mounting groove is arranged in a penetrating manner, a baffle plate (2 f) is overlapped on the outer side of the vertical base plate (2 a), and the baffle plate (2 f) is fixedly connected with the vertical base plate (2 a) through bolts; the vertical base plate (2 a) is positioned between the cylinder pressing assembly (3) and the baffle plate (2 f).