CN219901183U - Vertical machining device for stall control valve block - Google Patents

Abstract

The utility model relates to the technical field of part clamps, in particular to a vertical tool for a stall control valve block, which comprises a bottom plate, wherein a pressing assembly is arranged on the bottom plate; the pressing component comprises a positioning disc and a pressing block A and a pressing block B which can be pressed on the top end of the workpiece; the positioning disc is bolted on the bottom plate, and the pressing block A and the pressing block B are transversely and symmetrically arranged on two sides of the bottom plate; the top of the positioning disk is provided with a tool withdrawal groove and two positioning pins, and the two positioning pins are matched with the through holes on the workpiece. The workpiece can be quickly placed through the two positioning pins; the pressing blocks A and B can be pressed on the workpiece rapidly, so that the workpiece is clamped rapidly and reliably, the machining precision is ensured, and the production efficiency is improved; damage to the cutter can be avoided through the cutter retracting groove; the positions of the workpieces can be positioned through the two positioning pins, so that the consistency of the positions of the workpieces in batch processing is facilitated; the whole structure is simple, and the clamping is reliable.

Description

Vertical machining device for stall control valve block

Technical Field

The utility model relates to the technical field of part clamps, in particular to a vertical tool for a stall control valve block.

Background

As shown in fig. 1, the conventional rectangular stall control valve block is a key part of a tilt-axis motor, and has a largest piston hole in the center, and 4 through holes with the same size are formed in the periphery of the piston hole. However, the roundness and tolerance requirements of the piston bore are very stringent when it is machined. Therefore, a vertical machine tool machining tool which is reliable in clamping and capable of achieving batch machining needs to be designed for the stall control valve block.

Disclosure of Invention

The utility model aims to overcome the defects and shortcomings in the prior art, and provides an immediately adding tool for a stall control valve block, which can reliably fasten a workpiece, improve the machining precision of a piston hole on the workpiece and realize batch production.

In order to achieve the above purpose, the utility model provides an add frock immediately for stall control valve block, comprising a bottom plate, wherein a compressing component is arranged on the bottom plate; the pressing assembly comprises a positioning disc and a pressing block A and a pressing block B which can be pressed on the top end of the workpiece; the positioning disc is bolted on the bottom plate, and the pressing block A and the pressing block B are transversely and symmetrically arranged on two sides of the bottom plate; the top of the positioning disk is provided with a tool retracting groove and two positioning pins, and the two positioning pins are matched with the through holes on the workpiece.

Further, the positioning disks are arranged in a plurality along the transverse array, and a pressing block C capable of being pressed on the top end of the workpiece is arranged between two adjacent positioning disks.

Further, the pressing block A, the pressing block C and the pressing block B are all provided with the same locking unit, the locking unit comprises a screw, and the screw is sequentially and coaxially provided with a locking nut and a spring which are matched from top to bottom; the screw rod is vertically fixed on the bottom plate; the locking unit is configured to drive the press blocks A, C and B to slide along the screw rod by tightening the locking nut and compress the spring.

Further, step gaps are arranged at the contact positions of the pressing blocks A, C and B with the top end of the workpiece; the step notch is matched with the corner of the top end of the workpiece.

Furthermore, the bottoms of the pressing block A and the pressing block B are respectively provided with a limiting ejector rod, and the limiting ejector rods are vertically fixed on the bottom plate.

Further, the tool retracting groove is cross-shaped, a cylindrical groove is arranged in the middle of the tool retracting groove, the cylindrical groove corresponds to a piston hole in a workpiece, and the diameter of the cylindrical groove is larger than that of the piston hole.

Further, a positioning pin hole is formed in the positioning disc, a pin shaft is arranged on the bottom plate, and the pin shaft is matched with the positioning pin hole.

Further, the bottom plate is also provided with a plurality of hanging rings.

Compared with the prior art, the utility model has the beneficial effects that: the workpiece can be quickly placed through the two positioning pins; the pressing blocks A and B can be used for rapidly pressing the workpiece, so that the workpiece is rapidly and reliably clamped on the positioning disc, the machining precision is ensured, and the production efficiency is improved; damage to the cutter can be avoided through the cutter retracting groove; the positions of the workpieces can be positioned through the two positioning pins, so that the consistency of the positions of the workpieces in batch processing is facilitated; the whole structure is simple, the operation is convenient, and the manufacturing cost of the tool is saved.

Drawings

Fig. 1 is a schematic structural view of a conventional workpiece.

FIG. 2 is a schematic cross-sectional view of the present utility model.

Fig. 3 is a top view of fig. 2.

Fig. 4 is a use state diagram of the present utility model.

Wherein: 1. a bottom plate; 2. a positioning plate; 3. briquetting A; 4. briquetting C; 5. briquetting B; 6. a locking unit; 7. limiting ejector rod; 8. a common nut; 9. a hanging ring; 11. a pin shaft; 21. positioning the bulge; 22. a tool retracting groove; 23. a positioning pin; 61. a screw; 62. a lock nut; 63. and (3) a spring.

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.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples

Referring to fig. 2 and 4, the utility model provides an add frock for stall control valve block, which comprises a bottom plate 1, wherein a compacting component is arranged on the bottom plate 1; the pressing component comprises a positioning disc 2, and a pressing block A3 and a pressing block B5 which can be pressed on the top end of the workpiece; the positioning plate 2 is bolted on the bottom plate 1, and the pressing block A3 and the pressing block B5 are transversely and symmetrically arranged on two sides of the bottom plate 1; the top end of the positioning disk 2 is provided with a tool withdrawal groove 22 and two positioning pins 23, and the two positioning pins 23 are matched with through holes on a workpiece.

Preferably, as shown in fig. 3, the tool retracting groove 22 is cross-shaped, and a cylindrical groove is arranged in the middle of the tool retracting groove 22, and corresponds to a piston hole on a workpiece, and the diameter of the cylindrical groove is larger than that of the piston hole. The tool relief groove 22 here also prevents damage to the tool during machining.

Preferably, the bottom plate 1 is also provided with a plurality of hanging rings 9, which is convenient for hanging the utility model.

As one embodiment of the utility model, a plurality of positioning disks 2 are arranged along the transverse array, and a pressing block C4 capable of being pressed on the top end of a workpiece is arranged between two adjacent positioning disks 2, so that the clamping quantity of the workpiece is sequentially improved, and the production efficiency is improved.

As an embodiment of the present utility model, the same locking unit 6 is provided on each of the press pieces A3, C4 and B5. The locking unit 6 comprises a screw 61, and the screw 61 is sequentially and coaxially provided with a matched locking nut 62 and a spring 63 from top to bottom; the screw 61 is vertically fixed to the base plate 1.

The press blocks A3, C4 and B5 are driven to slide along the corresponding screw rods 61 by tightening the lock nuts 62 and the springs 63 are compressed, so that the press blocks A3, C4 and B5 are pressed on the top ends of the workpieces. When the lock nut 62 is released, the spring 63 pushes the corresponding press block A3, press block C4 and press block B5 to reset under the action of the spring 63, and then the machined workpiece is taken out.

The locking unit 6 here can also purchase a rotary clamping cylinder, and an air rod on the rotary clamping cylinder is connected with the corresponding pressing block A3, pressing block C4 and pressing block B5, so that the pressing block A3, pressing block C4 and pressing block B5 are driven to be pressed on the workpiece, and detailed description is omitted.

Preferably, the contact positions of the pressing blocks A3, C4 and B5 with the top end of the workpiece are provided with step gaps; the step gap is matched with the corner of the top end of the workpiece, so that the workpiece is ensured to be better pressed on the positioning disc 2.

As one embodiment of the utility model, the bottoms of the pressing block A3 and the pressing block B5 are respectively provided with a limiting ejector rod 7, and the limiting ejector rods 7 are vertically fixed on the bottom plate 1, so that the pressing block A3 and the pressing block B5 are supported and limited.

Preferably, the bottoms of the pressing block A3 and the pressing block B5 are provided with limit grooves, and the tops of the limit ejector rods 7 are slidably embedded into the limit grooves.

Preferably, the limiting ejector rod 7 is bolted to the bottom plate 1 and locked by the common nut 8, which is not described in detail.

The limiting ejector rod 7 can be an inner hexagonal countersunk head screw.

As one embodiment of the utility model, the positioning plate 2 is provided with the positioning pin holes, the bottom plate 1 is provided with the pin shafts 11, and the pin shafts 11 are matched with the positioning pin holes, so that the consistency of the positions of all the positioning plates 2 is ensured when the positioning plates 2 are processed in batches, and the batch production and processing are facilitated.

Preferably, the bottom of the positioning plate 2 is provided with a positioning protrusion 21, and the positioning protrusion 21 is slidably embedded into the bottom plate 1, so that the position accuracy of the positioning plate 2 is improved.

When the utility model is used, the bottom plate 1 is fixed on a workbench of a vertical machine tool, a workpiece is placed, the positioning pin 23 on the positioning disk 2 is slidably embedded into a through hole on the workpiece and is placed at the top end of the positioning disk 2, then the locking nut 62 is manually screwed down, the locking nut 62 pushes the corresponding pressing block A3, the pressing block C4 and the pressing block B5 to move downwards, the spring 63 is compressed until the bottoms of the pressing block A3 and the pressing block B5 are supported by the limiting ejector rod 7, and at the moment, the workpiece is pressed on the positioning disk 2.

In addition, as shown in fig. 4, the pressing assembly can be used along a plurality of longitudinal arrays, so that the production efficiency is further improved.

The present utility model may be summarized in other specific forms without departing from the spirit or essential characteristics thereof. The above-described embodiments of the utility model are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (8)

1. The vertical tool for the stall control valve block comprises a bottom plate (1), and is characterized in that a compression assembly is arranged on the bottom plate (1); the pressing assembly comprises a positioning disc (2), a pressing block A (3) and a pressing block B (5) which can be pressed on the top end of the workpiece; the positioning disc (2) is bolted on the bottom plate (1), and the pressing block A (3) and the pressing block B (5) are transversely and symmetrically arranged on two sides of the bottom plate (1); the top of the positioning disc (2) is provided with a tool withdrawal groove (22) and two positioning pins (23), and the two positioning pins (23) are matched with through holes in a workpiece.

2. The vertical tooling for stall control valve blocks according to claim 1, wherein the positioning disks (2) are arranged in a plurality along a transverse array, and a pressing block C (4) capable of being pressed on the top end of a workpiece is arranged between two adjacent positioning disks (2).

3. The vertical tool for stall control valve block of claim 2, wherein the same locking unit (6) is provided on each of the press block a (3), press block C (4) and press block B (5); the locking unit (6) comprises a screw (61), wherein the screw (61) is sequentially and coaxially provided with a locking nut (62) and a spring (63) which are matched with each other from top to bottom, and the screw (61) is vertically fixed on the bottom plate (1); the locking unit (6) is configured to drive the press block A (3), the press block C (4) and the press block B (5) to slide along the screw (61) by tightening the locking nut (62) and to compress the spring (63).

4. The vertical tool for stall control valve block of claim 3, wherein the press block a (3), press block C (4) and press block B (5) are provided with step notches at the contact positions with the top end of the workpiece; the step notch is matched with the corner of the top end of the workpiece.

5. The vertical tooling for stall control valve blocks of claim 4, wherein the bottoms of the pressing block A (3) and the pressing block B (5) are respectively provided with a limiting ejector rod (7), and the limiting ejector rods (7) are vertically fixed on the bottom plate (1).

6. The vertical tool for stall control valve block of claim 1, wherein the relief groove (22) is cross-shaped, a cylindrical groove is provided in the middle of the relief groove (22), the cylindrical groove corresponds to a piston hole in a workpiece, and the diameter of the cylindrical groove is larger than that of the piston hole.

7. The vertical tooling for stall control valve blocks according to any one of claims 1 to 6, wherein the positioning plate (2) is provided with positioning pin holes, the bottom plate (1) is provided with pin shafts (11), and the pin shafts (11) are matched with the positioning pin holes.

8. The vertical tooling for stall control valve blocks of claim 7, wherein the bottom plate (1) is further provided with a plurality of hanging rings (9).