CN220498902U

CN220498902U - Centering and floating clamping mechanism for processing valve body

Info

Publication number: CN220498902U
Application number: CN202321305006.0U
Authority: CN
Inventors: 陈华平
Original assignee: Hangzhou Sufoor Machinery Technology Co ltd
Current assignee: Hangzhou Sufoor Machinery Technology Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2024-02-20
Anticipated expiration: 2033-05-26

Abstract

The utility model relates to the technical field of automobile part machining, in particular to a centering floating clamping mechanism for machining a valve body, which comprises a mounting plate and is characterized in that: the novel fixture is simple in structure and low in failure rate, the capability of loosening and clamping can be effectively realized by arranging the diagonal draw bar, the floating pull block, the butt clamp female claw and the matching of the butt clamp claw, the butt clamp female claw can be applied to bridge plates and bottom plates of various fixture clamps by arranging the mounting plate, the capability of floating up and down, left and right and rotating and floating is realized by force transmission of an inner structure, the adjustability is improved, and one-face two-pin precise positioning is provided for a workpiece product by arranging the workpiece support seat and the workpiece positioning pin.

Description

Centering and floating clamping mechanism for processing valve body

Technical Field

The utility model relates to the technical field of automobile part machining, in particular to a centering floating clamping mechanism for machining a valve body.

Background

The valve body is the part commonly used in mechanical equipment, when carrying out the processing operation to the valve body, often need carry out lathe work to two or three terminal surfaces of valve body, and the valve body product specification on the current market is more, and traditional fixture adjustability is lower, and adjustable range is comparatively limited, in addition, at the clamping in-process, is difficult to realize the accurate location to the valve body, very easily leads to clamping jaw one end to bring and adds holding force too big production eccentric phenomenon, has promoted the defective rate greatly, has increased manufacturing cost.

Chinese patent discloses a floating clamping fixture (publication No. CN 213561113U) comprising: at least one cylinder body, the cylinder body is provided with a piston chamber; at least two clamping mechanisms, wherein a clamping opening is formed between the tops of the clamping mechanisms, and at least one clamping mechanism is provided with an inclined waist hole; at least one fulcrum pin, wherein the fulcrum pin is secured to the cylinder through the waist hole; and a piston disposed in the piston chamber, the piston being driven to reciprocate in the piston chamber, wherein a bottom of the clamping mechanism provided with the waist hole is rotatably connected with the piston, but the clamping tool is not high in adjustability, loose easily, inaccurate in positioning, error easily occurs, and product quality is affected, so that a centering and floating clamping mechanism for machining the valve body is required.

Disclosure of Invention

The utility model aims to solve the problems of low adjustability, loose easily, inaccurate positioning, error easily and influence on product quality existing in the prior art, and provides a centering and floating clamping mechanism for a processing valve body.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a centering floating clamping mechanism for processing a valve body, which comprises a mounting plate and is characterized in that: the mounting plate top center is equipped with the mechanism main part, mechanism main part top center is equipped with the work piece supporting seat, work piece supporting part top is equipped with the work piece locating pin, mechanism main part internally mounted has drive assembly, the drive assembly top is equipped with clamping assembly.

Preferably, the center of the bottom of the mounting plate is provided with an oil cylinder shell, a hydraulic oil cylinder is arranged in the oil cylinder shell, one end of the top of the hydraulic oil cylinder is connected with an oil cylinder connecting rod, the oil cylinder connecting rod penetrates through the mounting plate and extends into the mechanism main body, one end of the top of the oil cylinder connecting rod is provided with a connecting shaft, and the connecting shaft is connected with the mechanism main body.

Preferably, the transmission assembly comprises a floating pull block, a pin shaft is arranged between the floating pull block and the oil cylinder connecting rod, and the floating pull block is conveniently and fixedly connected with the oil cylinder connecting rod through the pin shaft.

Preferably, the two ends of the floating pull blocks are connected with diagonal rods, the number of the diagonal rods is 2, one part of the diagonal rods is matched with the floating pull blocks, the other part of the diagonal rods extends to the outer side of the top of the mechanism main body and is connected with a butt-clamping female claw, an up-down floating gap and a left-right floating gap are arranged between the floating pull blocks and the diagonal rods, and the clamping mechanism can move up and down and left and right conveniently by arranging the up-down floating gap and the left-right floating gap.

Preferably, the female claw quantity of butt clamp is 2, female claw one end of butt clamp all is connected with the clamp claw, the clamp claw is the concave structure, be equipped with the grip slot to clamp claw center, the grip slot both sides are equipped with anti-skidding line, make more firm when clamping the clamp claw through setting up anti-skidding line.

Preferably, the mechanism main part top both sides are equipped with the mounting hole, the mounting hole quantity is 2, the mounting hole size cooperatees with the diagonal draw bar, be equipped with rotatory floating clearance between mounting hole and the diagonal draw bar, be convenient for fixture's control through setting up rotatory floating clearance and remove.

The utility model has the advantages that:

the utility model has simple structure and low failure rate, can effectively realize the loosening and clamping capacity by arranging the diagonal draw bar, the floating draw block, the butt clamp female claw and the butt clamp claw, can be applied to bridge plates and bottom plates of various tool clamps by arranging the mounting plate, realizes the capacities of floating up and down, floating left and right and rotating and floating by the force transmission of the internal structure, improves the adjustability, and provides one-side two-pin precise positioning for workpiece products by arranging the workpiece supporting seat and the workpiece positioning pin.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a right side view of the structure of the present utility model.

Fig. 3 is a top view of the structure of the present utility model.

Fig. 4 is a schematic view of the internal structure of the present utility model.

In the figure: 1. a butt-clamping female claw; 2. a diagonal draw bar; 3. a floating slider; 4. a mechanism body; 5. a mounting plate; 6. a cylinder connecting rod; 7. a hydraulic cylinder; 8. an oil cylinder housing; 9. left and right floating gaps; 10. a connecting shaft; 11. a pair of clamp claws; 12. a workpiece positioning pin; 13. a workpiece support base; 14. anti-skid lines; 15. a clamping groove; 16. a floating gap up and down; 17. the floating gap is rotated.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, a centering and floating clamping mechanism for processing a valve body includes a mounting plate 5, and is characterized in that: the center of the top of the mounting plate 5 is provided with a mechanism main body 4, the center of the top of the mechanism main body 4 is provided with a workpiece supporting seat 13, the top of the workpiece supporting part is provided with a workpiece positioning pin 12, the workpiece supporting seat 13 and the workpiece positioning pin 12 provide one-side two-pin precise positioning for workpiece products, the inside of the mechanism main body 4 is provided with a transmission assembly, and the top of the driving assembly is provided with a clamping assembly.

In this embodiment, the mounting panel 5 bottom center is equipped with hydro-cylinder shell 8, hydro-cylinder shell 8 is fixed in mounting panel 5 bottom through spiro union or welded mode, the inside hydro-cylinder 7 that is equipped with of hydro-cylinder shell 8, hydro-cylinder 7 top one end is connected with hydro-cylinder connecting rod 6, hydro-cylinder connecting rod 6 runs through mounting panel 5 and extends to in the mechanism main part 4, hydro-cylinder connecting rod 6 top one end is equipped with connecting axle 10, the connecting axle 10 other end is connected with mechanism main part 4.

In this embodiment, the transmission subassembly includes floating slider 3, be equipped with the round pin axle between floating slider 3 and the hydro-cylinder connecting rod 6, the round pin axle quantity is 2, is convenient for with floating slider 3 and hydro-cylinder connecting rod 6 fixed connection through setting up the round pin axle, the epaxial swing of floating pull rod can provide the ability of floating from top to bottom for diagonal draw bar 2.

In this embodiment, the float pull block 3 both ends all are connected with diagonal draw bar 2, diagonal draw bar 2 quantity is 2, diagonal draw bar 2 partly cooperatees with float pull block 3, and another part extends to mechanism main part 4 top outside and is connected with the female claw 1 of butt clamp, be equipped with upper and lower floating gap 16 and left and right floating gap 9 between float pull block 3 and the diagonal draw bar 2, be convenient for fixture's upper and lower left and right movement through setting up upper and lower floating gap 16 and left and right floating gap 9.

In this embodiment, the female claw 1 quantity of butt clamp is 2, the female claw 1 of butt clamp passes through inner structure's power transmission, has realized the ability that floats from top to bottom, left and right sides is floated and rotatory floats, female claw 1 one end of butt clamp all is connected with the claw 11 of butt clamp, by the round pin hub connection between claw 11 of butt clamp and the claw 11 of butt clamp, the claw 11 quantity of butt clamp is 2, the claw 11 of butt clamp is concave structure, the claw 11 center of butt clamp is equipped with grip groove 15, grip groove 15 both sides are equipped with anti-skidding line 14, make more firm when the claw 11 of butt clamp centre gripping through setting up anti-skidding line 14.

In this embodiment, the both sides of mechanism main part 4 top are equipped with the mounting hole, mounting hole quantity is 2, the mounting hole size cooperatees with diagonal draw bar 2, be equipped with rotatory floating clearance 17 between mounting hole and the diagonal draw bar 2, diagonal draw bar 2 can rotate in the hole of its installation, provides rotatory floating ability, is convenient for fixture's rotary motion through setting up rotatory floating clearance 17.

The implementation principle of the embodiment is as follows: in the use process, the mechanism is firstly arranged on a bridge plate of the fixture through the mounting plate 5, a workpiece is placed on the workpiece supporting seat 13, the workpiece is positioned through the workpiece positioning pin 12, the hydraulic cylinder 7 is started, the power is upwards transmitted through the cylinder connecting rod 6, the floating pull block 3 is driven to move, the floating pull block 3 drives the diagonal draw rod 2 to move, the diagonal draw rod 2 drives the butt clamp female claw 1, the butt clamp female claw 1 drives the butt clamp claw 11 to clamp the workpiece, the back and forth movement of the cylinder connecting rod 6 is realized, the loosening and clamping capacity is realized, the floating pull block 3 is connected with the cylinder connecting rod 6 through a pin shaft, the floating pull block 3 swings on the pin shaft, the up and down floating capacity and the left and right floating capacity can be provided for the diagonal draw rod 2, and the diagonal draw rod 2 rotates in the mounting hole to provide the rotating floating capacity.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a centering fixture that floats of processing valve body, includes mounting panel (5), its characterized in that: the novel mechanism is characterized in that a mechanism main body (4) is arranged at the top center of the mounting plate (5), a workpiece supporting seat (13) is arranged at the top center of the mechanism main body (4), a workpiece positioning pin (12) is arranged at the top of the workpiece supporting seat, a transmission assembly is arranged in the mechanism main body (4), and a clamping assembly is arranged at the top of the transmission assembly.

2. The centering and floating clamping mechanism for machining a valve body as claimed in claim 1, wherein: the hydraulic oil cylinder is characterized in that an oil cylinder shell (8) is arranged at the center of the bottom of the mounting plate (5), a hydraulic oil cylinder (7) is arranged inside the oil cylinder shell (8), an oil cylinder connecting rod (6) is connected with one end of the top of the hydraulic oil cylinder (7), the oil cylinder connecting rod (6) penetrates through the mounting plate (5) and extends into the mechanism main body (4), a connecting shaft (10) is arranged at one end of the top of the oil cylinder connecting rod (6), and the connecting shaft (10) is connected with the mechanism main body (4).

3. The centering and floating clamping mechanism for machining a valve body as claimed in claim 1, wherein: the transmission assembly comprises floating pull blocks (3), pin shafts are arranged between the floating pull blocks (3) and oil cylinder connecting rods (6), and the number of the pin shafts is 2.

4. A centering and floating clamping mechanism for machining a valve body as claimed in claim 3, wherein: the floating pull block is characterized in that two ends of the floating pull block (3) are connected with diagonal draw bars (2), the number of the diagonal draw bars (2) is 2, one part of the diagonal draw bars (2) is matched with the floating pull block (3), the other part of the diagonal draw bars extends to the outer side of the top of the mechanism main body (4) and is connected with a butt-clamping female claw (1), and an up-down floating gap (16) and a left-right floating gap (9) are arranged between the floating pull block (3) and the diagonal draw bars (2).

5. The centering and floating clamping mechanism for machining a valve body as claimed in claim 4, wherein: the female claw (1) quantity of butt clamp is 2, female claw (1) one end of butt clamp all is connected with clamp claw (11), clamp claw (11) are concave structure, clamp groove (15) are equipped with at clamp claw (11) center, clamp groove (15) both sides are equipped with anti-skidding line (14).

6. The centering and floating clamping mechanism for machining a valve body as claimed in claim 1, wherein: the mechanism is characterized in that mounting holes are formed in two sides of the top of the mechanism main body (4), the number of the mounting holes is 2, the size of each mounting hole is matched with that of the diagonal draw bar (2), and a rotary floating gap (17) is formed between each mounting hole and the diagonal draw bar (2).