CN214922445U

CN214922445U - Special clamp for oil baffle ring products

Info

Publication number: CN214922445U
Application number: CN202120942537.5U
Authority: CN
Inventors: 耿万龙; 周运波
Original assignee: Dalian Hengji Numerical Control Machine Tool Co ltd
Current assignee: Dalian Hengji Numerical Control Machine Tool Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-11-30
Anticipated expiration: 2031-05-06

Abstract

The utility model provides a keep off special fixture of oil lopps product, belongs to wind-powered electricity generation engineering technical field, a keep off special fixture of oil lopps product, includes position sleeve, locating pin, bottom plate, supporting shoe one, supporting shoe two, nut, clamp plate, screw rod, cushion, the fixed cushion that is equipped with on the bottom plate, be fixed with the locating pin and the position sleeve of mutual matching on the bottom plate, supporting shoe one and supporting shoe two are pressed the circumference equipartition respectively on the bottom plate, supporting shoe one and two upper portions of supporting shoe are equipped with the clamp plate, clamp plate and locating pin and position sleeve evenly distributed are at the work piece edge, support fixedly to the work piece. The utility model discloses pressing from both sides tightly to become with original circumference and compressing tightly, the deflection of greatly reduced thin wall work piece presss from both sides tightly to become eight points with original four points and compresses tightly, makes on the rigidity of frock can transmit the work piece, and the rigidity of greatly increased work piece increases process velocity, reduces processing secondary deformation. The clamp has the advantages that the original process which is difficult to process is changed into the process which is simple to operate, the working hours are reduced, and the quality is improved.

Description

Special clamp for oil baffle ring products

Technical Field

The utility model belongs to the technical field of wind-powered electricity generation engineering, concretely relates to keep off special fixture of oil lopps product.

Background

In the 21 st century, the demand for energy has risen dramatically, and people are faced with pollution and gradual depletion of fossil energy. Under the premise, in the century with the great progress of scientific technology, wind power generation becomes the most easily and fastest alternative energy for batch production besides hydroelectric power generation, and the wind power generation is also the cleanest energy without secondary pollution. The wind power generation equipment still has some problems to be solved, for example, the core component of the wind power generator has high manufacturing precision requirement, high cost, longer processing time and lower production efficiency, so that the threshold of the wind power generator is higher and the period is longer. For example, the oil deflector ring is the core component, and due to the structure of the oil deflector ring, the workpiece has the advantages of thin wall, large size, high precision, very weak rigidity, easy deformation and difficult precision guarantee. The conventional clamping method is used for processing, so that the clamping and processing time is over long, the rejection rate is over high, the workpiece cost is greatly improved, the production period is greatly prolonged, and the requirement of rapid batch production is difficult to meet.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a special fixture of oil scraper ring processing has solved that oil scraper ring class spare part rigidity is weak, and the precision is high, and difficult clamping hardly guarantees processingquality, the longer difficult problem of process time moreover. The clamping time is prolonged by using the clamp, the problem that the rigidity of the workpiece is weak is solved, the processing cost of the workpiece is reduced too much, and the processing quality of the workpiece is ensured.

The utility model adopts the following technical scheme:

the utility model provides a special fixture of fender oil lopps product, includes position sleeve, locating pin, bottom plate, supporting shoe one, supporting shoe two, nut, clamp plate, screw rod, cushion, the fixed cushion that is equipped with on the bottom plate, be fixed with the locating pin and the position sleeve of mutual matching on the bottom plate, supporting shoe one and supporting shoe two are according to the circumference equipartition on the bottom plate respectively, supporting shoe one and two upper portions of supporting shoe are equipped with the clamp plate, clamp plate and locating pin and position sleeve evenly distributed are at the work piece edge, support fixedly to the work piece.

Further, the bottom plate is fixed on the workbench.

Furthermore, eight equal-height cushion blocks are uniformly distributed on the bottom plate according to the circumference.

Furthermore, the positioning pin and the positioning sleeve are fixedly arranged on the bottom plate through an inner hexagon bolt.

Furthermore, the pressing plate is fixedly connected with the first supporting block, the second supporting block and the bottom plate through screw rods.

Furthermore, the bottom plate is provided with a first supporting block mounting hole on the inner side of the workpiece according to eight equal parts of the circumference, and is provided with a second supporting block mounting hole on the outer side of the workpiece according to four equal parts of the circumference.

Furthermore, a long hole is formed in the pressure plate.

The clamp is characterized in that: the original circumference is clamped to be compressed, the deformation of the thin-wall workpiece is greatly reduced, the original four-point clamping is changed to be eight-point compression, the rigidity of the tool can be transmitted to the workpiece, the rigidity of the workpiece is greatly increased, the processing speed is increased, and the secondary deformation during processing is reduced. The clamp has the advantages that the original process which is difficult to process is changed into the process which is simple to operate, the working hours are reduced, and the quality is improved.

The utility model discloses an advantage and effect do: the problems that the process is difficult to process, the quality is difficult to control, the processing cost is high, and the processing time is long are solved. The fixture has the advantages of improving the machining speed of the workpiece, improving the overall quality of the workpiece, reducing the single piece machining cost, reducing the skill level of clamping and machining of workers, being convenient and fast to operate on site and realizing the mass production of products, along with simple operation.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a sectional view A-A of FIG. 1;

FIG. 3 is an isometric view of the present invention;

the components in the figure: the positioning device comprises a positioning sleeve 1, a positioning pin 2, an inner hexagon bolt 3, a bottom plate 4, a first supporting block 5, a second supporting block 6, a hexagon nut 7, a pressing plate 8, a screw rod 9, a cushion block 10, a workpiece 11, a first supporting block mounting hole 12 and a second supporting block mounting hole 13.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and embodiments.

A special clamp for locking flange products, comprising: the positioning device comprises a positioning sleeve 1, a positioning pin 2, an inner hexagon bolt 3, a bottom plate 4, a first supporting block 5, a second supporting block 6, a hexagon nut 7, a pressing plate 8, a screw rod 9, a cushion block 10 and the like. The bottom plate 4 is fixed on a machine tool workbench, eight equal-height cushion blocks 10 are uniformly distributed on the bottom plate according to the circumference, and the cushion blocks are welded on the bottom plate 4; the positioning pin 2 and the positioning sleeve 1 are combined in pairs and are arranged on the bottom plate 4 through the hexagon socket head cap screw 3, so that the workpiece can be quickly clamped and positioned, and the alignment time is saved; the first supporting block 5 and the second supporting block 6 are uniformly distributed on the bottom plate 4 according to the circumference and are used for supporting the pressing plate 8 to fix a workpiece; the pressing plate 8 is respectively positioned above the first supporting block 5 and the second supporting block 6 and is connected with the bottom plate through the screw rod 9, so that the purpose of pressing the workpiece is achieved. The clamp plate 8 is provided with long holes which are mainly used for facilitating the disassembly and assembly of a workpiece and adjusting the contact area between the clamp plate and the workpiece, the clamps are distributed in an axial symmetry manner, and the clamps can realize the function of self-centering and quick clamping of the workpiece.

Example 1

A special fixture for wind power engineering products comprises: the positioning device comprises a positioning sleeve 1, a positioning pin 2, an inner hexagon bolt 3, a bottom plate 4, a first supporting block 5, a second supporting block 6, a hexagon nut 7, a pressing plate 8, a screw rod 9 and the like. The base plate 4 is fixed on a machine tool workbench, eight equal-height cushion blocks are uniformly distributed on the base plate according to the circumference, the cushion blocks are welded on the base plate, the base part of the clamp is formed, and the structure greatly enhances the overall rigidity of the workpiece so as to reduce deformation; the positioning pin 2 and the positioning sleeve 1 are combined in pairs and are arranged on the bottom plate 4 through the hexagon socket head cap screw 3, and the positioning pin and the positioning sleeve are used for quickly clamping and positioning a workpiece so as to save the workpiece alignment time; the first supporting block 5 and the second supporting block 6 are uniformly distributed on the bottom plate 4 according to the circumference and are used for supporting the pressing plate 8 to fix a workpiece; the pressing plate 8 is respectively positioned above the first supporting block 5 and the second supporting block 6 and is connected with the bottom plate through the screw rod 9, so that the purpose of pressing the workpiece is achieved.

When the device is used, a worker installs the bottom plate on the workbench, the center of the bottom plate is coincided with the rotation center of the workbench during installation, and after the bottom plate is fastened, 8 equal-height cushion blocks are arranged on the flat bottom plate of the vehicle; two groups of positioning pins and positioning sleeves are arranged on a bottom plate diagram and are fastened by bolts; according to the positions shown in the figure, if the inner diameter of the workpiece is processed, only 4 supporting blocks II are installed, and if the outer diameter of the workpiece is processed, only 8 supporting blocks I are installed; placing a workpiece on a bottom plate equal-height block, positioning the workpiece by using two groups of positioning pins, placing a pressing plate according to a drawing, pressing the pressing plate to a preset position of the workpiece, and fastening the pressing plate; and finishing the installation of the clamp.

The utility model provides a work piece wall thin, the rigidity is weak, is unfavorable for the structural shortcoming of clamping processing, becomes the anchor clamps clamping of simple easy operation with the general clamping of more complicacy originally through simple ingenious design. Greatly reduced skill level of operation has shortened clamping and process time, has ensured the processingquality and the stability of work piece, makes the batch production of work piece become the reality.

Claims

1. The utility model provides a keep off special fixture of oil ring class product which characterized in that: including position sleeve (1), locating pin (2), bottom plate (4), supporting shoe (5), supporting shoe two (6), nut (7), clamp plate (8), screw rod (9), cushion (10), fixed cushion (10) that is equipped with on bottom plate (4), be fixed with locating pin (2) and position sleeve (1) that match each other on bottom plate (4), supporting shoe one (5) and supporting shoe two (6) are according to the circumference equipartition respectively on bottom plate (4), supporting shoe one (5) and supporting shoe two (6) upper portion are equipped with clamp plate (8), clamp plate (8) and locating pin (2) and position sleeve (1) evenly distributed are at the work piece edge, support fixedly to the work piece.

2. The special fixture for oil-retaining ring products as claimed in claim 1, wherein: the bottom plate (4) is fixed on the workbench.

3. The special fixture for oil-retaining ring products as claimed in claim 1, wherein: eight equal-height cushion blocks (10) are uniformly distributed on the bottom plate (4) according to the circumference.

4. The special fixture for oil-retaining ring products as claimed in claim 1, wherein: the positioning pin (2) and the positioning sleeve (1) are fixedly arranged on the bottom plate (4) through the hexagon socket head cap screw (3).

5. The special fixture for oil-retaining ring products as claimed in claim 1, wherein: and the pressing plate (8) is fixedly connected with the first supporting block (5), the second supporting block (6) and the bottom plate (4) through a screw (9).

6. The special fixture for oil-retaining ring products as claimed in claim 1, wherein: and a first supporting block mounting hole (12) is formed in the inner side of the workpiece on the bottom plate (4) according to eight equal parts of the circumference, and a second supporting block mounting hole (13) is formed in the outer side of the workpiece according to four equal parts of the circumference.

7. The special fixture for oil-retaining ring products as claimed in claim 1, wherein: and a long hole is formed in the pressure plate (8).