CN212705511U

CN212705511U - Shaft hole processing mould for valve body production

Info

Publication number: CN212705511U
Application number: CN202021032403.1U
Authority: CN
Inventors: 史献东; 史甲
Original assignee: Ma'anshan Pangbo Casting Co ltd
Current assignee: Ma'anshan Pangbo Casting Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-03-16
Anticipated expiration: 2030-06-08

Abstract

The utility model relates to a valve body production technical field, and a shaft hole processing mould is used in valve body production is disclosed, including the plectane, the fixed axle that is equipped with in rear side of plectane, two U-shaped plates of the fixed symmetry that is equipped with in front side of plectane, both ends all are connected with the lead screw through first rotation bearing rotation about the internal surface of two U-shaped plates, the pole wall lower extreme of two lead screws is equipped with drive mechanism, the equal threaded connection of pole wall of two lead screws has the slider, the common fixed diaphragm that is equipped with in front side of two sliders, the spout has been seted up at the top of diaphragm, and the fixed two fixed plates that are equipped with the symmetry in bottom, the top of diaphragm is provided with two fan-shaped blocks of symmetry, the below of two fan-shaped blocks is provided with adjustment mechanism, the top fixed bolt that. The utility model discloses can carry out quick fastening to the valve body of different diameters size to the processing in shaft hole of being convenient for.

Description

Shaft hole processing mould for valve body production

Technical Field

The utility model relates to a valve body production technical field especially relates to a shaft hole processing mould is used in valve body production.

Background

The valve body is a main part in the valve, and the shaft hole processing is often required to be carried out on the valve body in the existing valve body production and manufacturing process, so that the follow-up valve body can be accurately matched with the valve conveniently.

Wherein patent number is CN110900273A discloses a valve body shaft hole processing mould, this equipment is fixed with the lathe chuck at the guide rail when using, recess on the T shape locating plate makes the relative guide rail of T shape locating plate removal adjusting position, when the valve body is packed into on the rolling disc, compress tightly the valve body on the rotor through valve body fixed plate and bolt, after one side shaft hole processing of valve body finishes, loosen the bolt on the valve body fixed plate, extract the locating pin, the rotor rotates, fix a position the rotor with the locating pin once more, and compress tightly through clamp bolt with the clamp plate, process the opposite side shaft hole, but the device has certain defect when using:

when the equipment is used for clamping and fixing the valve body, the valve body with a single diameter can only be clamped, the equipment cannot be applied to valve bodies with various valve hole diameters, and certain limitation exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the valve body of single diameter can only be clamped when the valve body is subjected to shaft hole processing in the prior art, and providing a shaft hole processing clamping fixture for valve body production.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a shaft hole processing mould is used in valve body production, includes the plectane, the fixed axle that is equipped with in rear side of plectane, two fixed two U-shaped plates that are equipped with the symmetry of front side of plectane, two both ends all are connected with the lead screw through first rotating bearing rotation about the internal surface of U-shaped plate, two the pole wall lower extreme of lead screw is equipped with drive mechanism, two the equal threaded connection of pole wall of lead screw has the slider, two the common fixed diaphragm that is equipped with of front side of slider, the spout has been seted up at the top of diaphragm, and two fixed plates that are equipped with the symmetry in bottom, the top of diaphragm is provided with two fan-shaped blocks of symmetry, two the below of fan-shaped block is provided with adjustment mechanism, two the fixed bolt that is equipped with in top between the fan-.

Preferably, the transmission mechanism comprises two belt pulleys, and the two belt pulleys are fixedly sleeved with the lower ends of the rod walls of the two lead screws respectively and are in transmission connection through belts.

Preferably, the adjusting mechanism comprises a bidirectional screw rod, the two ends of the bidirectional screw rod are rotatably connected with the two fixing plates through second rotating bearings, the rod wall is in threaded connection with two symmetrical supporting plates, and the upper ends of the two supporting plates penetrate through the sliding grooves and are fixedly connected with the bottoms of the two fan-shaped blocks respectively.

Preferably, the pressing mechanism comprises an internal thread sleeve and two pressing plates which are symmetrically arranged, the internal thread sleeve is in threaded connection with the bolt, two sides of the internal thread sleeve are rotatably connected with the two pressing plates through a shaft pin, the upper end of the outer side wall of the internal thread sleeve is provided with a first thread, the external side wall of the internal thread sleeve is in threaded connection with an annular plate, the inner surface of the annular plate is provided with a second thread, two symmetrical pressing rods are fixedly arranged at the bottom of the annular plate, and the pressing rods are in contact connection with the tops of the pressing.

Preferably, the bottom of the screw rod on the right side penetrates through the U-shaped plate and is fixedly provided with a knob.

Preferably, the rotating block is fixedly sleeved on the rod wall of the bidirectional screw rod and positioned between the two supporting plates.

Compared with the prior art, the utility model provides a shaft hole processing mould is used in valve body production possesses following beneficial effect:

1. this shaft hole processing mould is used in valve body production through the U-shaped board, lead screw and slider and the diaphragm that are equipped with, adjusts the axle center position of valve body processing after the valve body centre gripping is ended, is convenient for carry out the shaft hole processing.

2. This shaft hole processing mould is used in valve body production can carry out effectual centre gripping to the valve body of different inside diameters size through fixed plate, diaphragm, segment and the adjustment mechanism that is equipped with.

3. This shaft hole processing mould is used in valve body production through the mechanism that pushes down that is equipped with, compresses tightly the top of valve body after valve body processing, prevents to produce in the valve body course of working and rocks.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses convenient operation can carry out effective and quick support centre gripping to the valve body of different inside diameters size, has increased the efficiency of valve body processing when having improved the use suitability.

Drawings

FIG. 1 is a schematic structural view of a shaft hole machining mold for valve body production according to the present invention;

FIG. 2 is a schematic side view of the structure of FIG. 1;

fig. 3 is an enlarged view of a portion a of fig. 1.

In the figure: the device comprises a circular plate 1, a fixed shaft 2, a U-shaped plate 3, a lead screw 4, a sliding block 5, a transverse plate 6, a fixed plate 7, a sector block 8, a bolt 9, a belt pulley 10, a belt 11, a bidirectional lead screw 12, a supporting plate 13, an internal thread sleeve 14, a pressing plate 15, an annular plate 16, a pressing rod 17, a knob 18 and a rotating block 19.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a shaft hole processing clamping fixture for valve body production, comprising a circular plate 1, a fixed shaft 2 is fixedly arranged at the rear side of the circular plate 1, the fixed shaft 2 is arranged to facilitate the fastening connection of a device with a chuck of a lathe, two symmetrical U-shaped plates 3 are fixedly arranged at the front side of the circular plate 1, the upper and lower ends of the inner surfaces of the two U-shaped plates 3 are rotatably connected with lead screws 4 through first rotating bearings, the lower ends of the rod walls of the two lead screws 4 are provided with transmission mechanisms, the rod walls of the two lead screws 4 are both in threaded connection with sliding blocks 5, the front sides of the two sliding blocks 5 are both fixedly provided with a transverse plate 6, the top of the transverse plate 6 is provided with a chute, the bottom is fixedly provided with two symmetrical fixing plates 7, the top of the transverse plate 6 is provided with two symmetrical sector blocks 8, the sector blocks 8 are arranged to support and fasten the inside of the valve body, an adjusting, the upper end of the rod wall of the bolt 9 is provided with a pressing mechanism.

Drive mechanism includes two belt pulleys 10, two belt pulleys 10 are fixed with the pole wall lower extreme of two lead screws 4 respectively and are cup jointed, and connect through belt 11 transmission, it can make two lead screws 4 rotate simultaneously to connect through the transmission of belt pulley 10 and belt 11, adjustment mechanism includes two-way lead screw 12, the both ends of two-way lead screw 12 all rotate with two fixed plates 7 through second rolling bearing and are connected, and pole wall threaded connection has two backup pads 13 of symmetry, the upper end of two backup pads 13 pass the spout and respectively with the bottom fixed connection of two segmental blocks 8.

The mechanism that pushes down includes the clamp plate 15 that internal thread sleeve pipe 14 and two symmetries set up, internal thread sleeve pipe 14 and bolt 9 threaded connection, and both sides all rotate through pivot and two clamp plates 15 and be connected, first screw thread has been seted up to internal thread sleeve pipe 14's lateral wall upper end, and threaded connection has the internal surface to set up the annular plate 16 of second screw thread, the fixed two depression bars 17 that are equipped with the symmetry in bottom of annular plate 16, set up depression bar 17 and compress tightly clamp plate 15, thereby compress tightly the top of valve body, prevent to produce during processing and rock, depression bar 17 is connected with the top contact of clamp plate 15, the bottom of right side lead screw 4 is passed U-shaped plate 3 and is fixed to be equipped with knob 18, it is convenient for rotate lead screw 4 to set up knob 18, the pole wall of two-way lead screw 12 just.

In the utility model, when an operator processes the shaft hole of the valve body, firstly, the fixed shaft 2 is clamped with a chuck of a lathe, so that the internal thread sleeve 14 and the annular plate 16 are screwed out from the bolt 9, the valve body is placed on the transverse plate 6, the two fan-shaped blocks 8 are positioned inside the valve body, the rotating block 19 is rotated, the two supporting plates 13 are driven to move towards two sides when the two-way screw 12 rotates, the two supporting plates 13 are driven to contact with the inner surface of the valve body when moving, so as to fasten the valve body, then the internal thread sleeve 14 is matched with the bolt 9, so that the two pressing plates 15 contact with the top of the valve body, the annular plate 16 is continuously matched with the outer side wall of the internal thread sleeve 14, the pressing rod 17 at the bottom of the annular plate 16 extrudes the pressing plate 15, and the pressing plate 15 compresses the top of the valve, and finally, rotating the knob 18 and enabling the two screw rods 4 to rotate simultaneously under the transmission action of the two belt pulleys 10 and the belt 11, so that the sliding blocks 5 on the rod walls of the two screw rods 4 drive the transverse plate 6 to move up and down, the axis position of the valve body is adjusted, and subsequent shaft hole processing is facilitated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The shaft hole machining mold for valve body production comprises a circular plate (1) and is characterized in that a fixed shaft (2) is fixedly arranged on the rear side of the circular plate (1), two symmetrical U-shaped plates (3) are fixedly arranged on the front side of the circular plate (1), the upper end and the lower end of the inner surface of each of the two U-shaped plates (3) are rotatably connected with a lead screw (4) through a first rotating bearing, a transmission mechanism is arranged at the lower end of the rod wall of each of the two lead screws (4), a sliding block (5) is in threaded connection with the rod wall of each of the two lead screws (4), a transverse plate (6) is fixedly arranged on the front side of each of the two sliding blocks (5), a sliding groove is formed in the top of the transverse plate (6), two symmetrical fixing plates (7) are fixedly arranged at the bottom of the transverse plate (6), two symmetrical sector blocks (8) are arranged at the top of the, and a bolt (9) is fixedly arranged between the two fan-shaped blocks (8) and at the top of the transverse plate (6), and a pressing mechanism is arranged at the upper end of the rod wall of the bolt (9).

2. The shaft hole machining clamping fixture for the valve body production is characterized in that the transmission mechanism comprises two belt pulleys (10), and the two belt pulleys (10) are fixedly sleeved with the lower ends of the rod walls of the two lead screws (4) respectively and are in transmission connection through a belt (11).

3. A valve body production shaft hole machining clamping fixture according to claim 1, characterized in that the adjusting mechanism comprises a bidirectional screw rod (12), two ends of the bidirectional screw rod (12) are rotatably connected with the two fixing plates (7) through second rotating bearings, two symmetrical supporting plates (13) are in threaded connection with the rod wall, and the upper ends of the two supporting plates (13) penetrate through the sliding grooves and are fixedly connected with the bottoms of the two fan-shaped blocks (8) respectively.

4. The shaft hole machining clamping fixture for the valve body production is characterized in that the pressing mechanism comprises an internal thread sleeve (14) and two pressing plates (15) which are symmetrically arranged, the internal thread sleeve (14) is in threaded connection with a bolt (9), two sides of the internal thread sleeve are rotatably connected with the two pressing plates (15) through shaft pins, a first thread is formed in the upper end of the outer side wall of the internal thread sleeve (14), an annular plate (16) with a second thread formed in the inner surface is in threaded connection, two symmetrical pressing rods (17) are fixedly arranged at the bottom of the annular plate (16), and the pressing rods (17) are in contact connection with the tops of the pressing plates (15).

5. The axle hole processing clamping fixture for the valve body production as claimed in claim 1, wherein the bottom of the right screw rod (4) passes through the U-shaped plate (3) and is fixedly provided with a knob (18).

6. The axle hole machining clamping fixture for the valve body production as claimed in claim 3, wherein a rotating block (19) is fixedly sleeved on the rod wall of the bidirectional screw rod (12) and located between the two supporting plates (13).