CN217728356U

CN217728356U - Edging frock clamp of wear-resisting steel casting

Info

Publication number: CN217728356U
Application number: CN202123272682.6U
Authority: CN
Inventors: 洪伟伦
Original assignee: Zhejiang Tianfa Precision Machinery Co ltd
Current assignee: Zhejiang Tianfa Precision Machinery Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-11-04
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses an edging tool clamp of a wear-resistant steel casting, which comprises a bottom plate, wherein a plurality of positioning mechanisms and a plurality of pressing mechanisms are arranged around the bottom plate; the positioning mechanism comprises a positioning block and a positioning push rod, the positioning block is connected with the bottom plate in a sliding mode, the positioning push rod is hinged with the bottom plate, a connecting rod is arranged between the positioning push rod and the positioning block and is respectively hinged with the positioning block and the positioning push rod, a clamping block is arranged on the bottom plate, and a clamping groove is formed in the clamping block; hold-down mechanism includes the support column, compress tightly pole and compress tightly the stay bolt, compress tightly the pole and rotate just vertical sliding connection with the support column, the top that compresses tightly the pole is provided with the pressure strip, compress tightly stay bolt and bottom plate threaded connection, can carry out the adjustment of machined surface to the cylinder cap on the bottom plate, can fix a position and press from both sides the clamp tightly to the cylinder cap again after the adjustment, the same anchor clamps that the processing of cylinder cap can use on the same lathe promptly carry out the clamping, need not to make the cylinder cap shift between the lathe, reduce its total clamping time, improve the machining efficiency of cylinder cap, save workman's physical power simultaneously.

Description

Edging tool clamp for wear-resistant steel casting

Technical Field

The utility model belongs to the technical field of foundry goods frock clamp, more specifically the edging frock clamp that relates to a wear-resisting steel casting that says so.

Background

The engine cylinder cover is an important component of an engine of a motor vehicle, the processing and manufacturing process of the engine cylinder cover is extremely important, and with the continuous improvement of the working strength, people also put forward higher requirements on the processing and manufacturing process of the engine cylinder cover.

In the existing engine cylinder cover machining and manufacturing process, a cylinder cover to be machined needs to be fixed on a machine tool workbench through a plurality of clamps, and then each working surface of the cylinder cover needs to be machined. However, although the existing processing mode can meet the basic processing requirements of the engine cylinder cover, different tool fixtures are needed to be used when processing each processing surface of a single cylinder cover, and different fixtures are installed on different machine tools, so that the cylinder cover needs to be transferred between the machine tools, the time for final assembly and clamping is long, the processing efficiency of the cylinder cover is low, the cylinder cover is heavy, and great physical power of workers is consumed during transferring.

Therefore, how to improve the clamping efficiency of the engine cylinder cover clamp and the machine tool utilization rate thereof is an important technical problem which needs to be solved by technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an edging frock clamp of wear-resisting steel casting, reducible clamping time improves machining efficiency, saves workman's physical power simultaneously.

In order to achieve the above purpose, the utility model provides a following technical scheme: an edging tool clamp for a wear-resistant steel casting comprises a bottom plate, wherein a plurality of positioning mechanisms and a plurality of pressing mechanisms are arranged on the periphery of the bottom plate;

the positioning mechanism comprises a positioning block and a positioning push rod, the positioning block is connected with the bottom plate in a sliding mode, one end of the positioning push rod is hinged to the bottom plate, a connecting rod is arranged between the positioning push rod and the positioning block, two ends of the connecting rod are respectively hinged to the positioning block and the positioning push rod, a clamping block corresponding to the positioning push rod is arranged on the bottom plate, and a clamping groove is formed in the clamping block;

the pressing mechanism comprises a supporting column, a pressing rod and a pressing long bolt, a through hole is formed in the supporting column, the pressing rod is located in the through hole, the pressing rod is connected with the supporting column in a rotating and vertical sliding mode, a pressing plate is arranged at the top end of the pressing rod, the pressing long bolt penetrates through the pressing plate, and the pressing long bolt is connected with the bottom plate in a threaded mode.

Further, be provided with first sliding tray and second sliding tray on the inner wall of through-hole, be provided with the spacing groove on the top surface of support column, first sliding tray and second sliding tray intercommunication spacing groove, be provided with the sliding block on the compression arm, sliding block and second sliding tray sliding connection.

Furthermore, the pressing rod penetrates through the bottom plate and is vertically and slidably connected with the bottom plate, a spring is arranged on the pressing rod, and two ends of the spring are respectively connected with the bottom ends of the bottom plate and the pressing rod.

Furthermore, a rubber pad is arranged on the positioning block.

Further, the top end of the pressing rod is provided with a convex plate, and the convex plate extends towards the direction away from the pressing plate.

Furthermore, the positioning push rod is hinged with the bottom plate in a damping mode.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, a bottom plate is installed on a machine tool, a cylinder cover to be machined is roughly placed at the center position of the bottom plate, then a positioning push rod is rotated, a positioning block is driven by a connecting rod to move towards the cylinder cover, the cylinder cover can be pushed after the positioning block contacts the cylinder cover until the positioning push rod is clamped into a clamping groove, when all the positioning blocks around the bottom plate finish moving, the cylinder cover can finish positioning, then a pressing rod slides on a supporting column and rotates, the pressing plate is abutted to the cylinder cover, the pressing plate is pressed on the cylinder cover through a pressing long bolt, the pressing of the cylinder cover is finished, and the cylinder cover can be machined; after the processing of a face is accomplished to the cylinder cap, loosen hold-down mechanism and positioning mechanism, can adjust the machined surface of cylinder cap on the bottom plate, can fix a position and press from both sides tightly the cylinder cap again after the adjustment, the same anchor clamps on the same lathe of processing of cylinder cap can be used promptly and the clamping need not to make the cylinder cap shift between the lathe, reduces its total clamping time, improves the machining efficiency of cylinder cap, saves workman's physical power simultaneously.

Drawings

Fig. 1 is a schematic front structural view of a middle tool holder of the present invention;

FIG. 2 is a side cross-sectional view of the support post;

FIG. 3 is a top view of the support post;

FIG. 4 is a side cross-sectional view of the hold down bar;

FIG. 5 is a front view of the positioning mechanism;

fig. 6 is a plan view of the latch.

Reference numerals: 1. a base plate; 2. positioning blocks; 3. positioning the push rod; 4. a connecting rod; 5. a clamping block; 6. a card slot; 7. a support pillar; 8. a hold down bar; 9. pressing the long bolt; 10. a through hole; 11. a compression plate; 12. a first sliding groove; 13. a second sliding groove; 14. a limiting groove; 15. a spring; 16. a rubber pad; 17. a convex plate; 18. and a slider.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The present invention is further explained with reference to fig. 1 to 6.

An edging tool clamp for a wear-resistant steel casting comprises a bottom plate 1, wherein a plurality of positioning mechanisms and a plurality of pressing mechanisms are arranged on the periphery of the bottom plate 1;

the positioning mechanism comprises a positioning block 2 and a positioning push rod 3, the positioning block 2 is connected with a bottom plate 1 in a sliding mode, one end of the positioning push rod 3 is hinged to the bottom plate 1, a connecting rod 4 is arranged between the positioning push rod 3 and the positioning block 2, two ends of the connecting rod 4 are respectively hinged to the positioning block 2 and the positioning push rod 3, a clamping block 5 corresponding to the positioning push rod 3 is arranged on the bottom plate 1, and a clamping groove 6 is formed in the clamping block 5;

the pressing mechanism comprises a supporting column 7, a pressing rod 8 and a pressing long bolt 9, a through hole 10 is formed in the supporting column 7, the pressing rod 8 is located in the through hole 10, the pressing rod 8 is connected with the supporting column 7 in a rotating and vertical sliding mode, a pressing plate 11 is arranged at the top end of the pressing rod 8, the pressing long bolt 9 penetrates through the pressing plate 11, and the pressing long bolt 9 is connected with the bottom plate 1 in a threaded mode.

As shown in fig. 1 to 6, when using the clamp, firstly, the base plate 1 is installed on a machine tool, then the cylinder cover to be processed is roughly placed at the central position of the base plate 1, then the positioning push rod 3 is rotated to make the positioning block 2 move towards the side surface of the cylinder cover on the base plate 1 until the positioning push rod 3 contacts with the clamping block 5 and is clamped into the clamping groove 6, and in the moving process of the positioning block 2, the positioning block 2 can push the cylinder cover, after the positioning push rods 3 on all the positioning mechanisms around the base plate 1 are rotated into the corresponding clamping grooves 6, each positioning block 2 is abutted against the four side surfaces of the cylinder cover, and after the positioning block 2 is fixed, the distance between the two opposite positioning blocks 2 is equal to the distance between the two sides of the cylinder cover, so that the cylinder cover can be positioned on the base plate 1, then the pressing rod 8 on the supporting column 7 is moved to make the pressing plate 11 be positioned above the pressing position of the cylinder cover, then the pressing rod 8 is rotated to make the pressing plate 11 abutted against the cylinder cover, then the pressing long pressing bolt 9 is connected with the base plate 1, and the pressing bolt 9 is pressed on the pressing plate 11, and finally, the cylinder cover is processed; after the face processing of cylinder cap is accomplished, will compress tightly long bolt 9 and screw out from bottom plate 1, rotate compressing tightly pole 8, then reverse rotation location push rod 3, make it deviate from in draw-in groove 6, make locating piece 2 keep away from the cylinder cap and remove, can carry out the adjustment of machined face to the cylinder cap, after the adjustment, reuse positioning mechanism advances line location, compressing mechanism compresses tightly, the same anchor clamps that the processing of cylinder cap can use on the same lathe promptly carry out the clamping, need not to make the cylinder cap shift between the lathe, reduce its total clamping time, the machining efficiency of improvement cylinder cap, simultaneously save workman's physical power.

As shown in fig. 2 and fig. 3, in the present embodiment, preferably, a first sliding groove 12 and a second sliding groove 13 are provided on an inner wall of the through hole 10, a limit groove 14 is provided on a top surface of the support pillar 7, the first sliding groove 12 and the second sliding groove 13 communicate with the limit groove 14, a sliding block 18 is provided on the compression rod 8, the sliding block 18 and the second sliding groove 13 are slidably connected, when the cylinder head is not clamped, the sliding block 18 on the compression rod 8 is located in the second sliding groove 13, when the cylinder head is clamped, the sliding block 18 slides upwards in the second sliding groove 13, after the sliding block 18 extends out of the second sliding groove 13, the compression plate 11 is rotated, so that one side of the arc automatic block limit groove 14 abuts against and simultaneously aligns with the first sliding groove 12, then the compression rod 8 descends, so that the compression plate 11 abuts against the cylinder head, and the sliding block 18 extends into the first sliding groove 12, that the rotation of the compression rod 8 is limited by the limit groove 14 and the sliding block 18, so that the compression plate 11 can be accurately pressed on the cylinder head, and the compression efficiency can be improved.

As shown in fig. 3, preferably, the central angle of the limiting groove 14 is 90 °, that is, the limiting groove 14 has a sector of a quarter circle.

As shown in fig. 1, in this embodiment, it is preferable that the pressing rod 8 penetrates through the bottom plate 1 and is vertically slidably connected to the bottom plate 1, a spring 15 is disposed on the pressing rod 8, two ends of the spring 15 are respectively connected to the bottom ends of the bottom plate 1 and the pressing rod 8, when the pressing rod 8 ascends, the spring 15 is compressed to generate elastic force, and after the pressing rod 8 is rotated to enable the pressing plate 11 to abut against a cylinder cover, the pressing plate 11 can be preliminarily pressed against the cylinder cover through the elastic force of the spring 15, so that the pressing efficiency is improved.

As shown in fig. 5, in the preferred embodiment, a rubber pad 16 is disposed on the positioning block 2, and the rubber pad 16 prevents the positioning block 2 from causing wear on the surface of the cylinder head when the cylinder head is pushed.

As shown in fig. 4, in this embodiment, preferably, a protruding plate 17 is disposed at the top end of the pressing rod 8, the protruding plate 17 extends in a direction away from the pressing plate 11, and the pressing rod 8 is conveniently pulled up by the protruding plate 17.

In the embodiment, the preferred positioning push rod 3 is hinged with the bottom plate 1 in a damping mode, so that the fixing effect of the positioning block 2 is improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an edging frock clamp of wear-resisting steel casting which characterized in that: the clamping device comprises a bottom plate, wherein a plurality of positioning mechanisms and a plurality of pressing mechanisms are arranged on the periphery of the bottom plate;

the positioning mechanism comprises a positioning block and a positioning push rod, the positioning block is connected with the bottom plate in a sliding mode, one end of the positioning push rod is hinged to the bottom plate, a connecting rod is arranged between the positioning push rod and the positioning block, two ends of the connecting rod are hinged to the positioning block and the positioning push rod respectively, a clamping block corresponding to the positioning push rod is arranged on the bottom plate, and a clamping groove is formed in the clamping block;

2. An edging work fixture for wear-resistant steel castings according to claim 1, characterized in that: be provided with first sliding tray and second sliding tray on the inner wall of through-hole, be provided with the spacing groove on the top surface of support column, first sliding tray and second sliding tray intercommunication spacing groove, be provided with the sliding block on the compression arm, sliding block and second sliding tray sliding connection.

3. An edging work fixture for wear-resistant steel castings according to claim 2, characterized in that: the pressing rod penetrates through the bottom plate and is vertically and slidably connected with the bottom plate, a spring is arranged on the pressing rod, and two ends of the spring are respectively connected with the bottom ends of the bottom plate and the pressing rod.

4. An edging work fixture for wear-resistant steel castings according to claim 3, characterized in that: and a rubber pad is arranged on the positioning block.

5. An edging work fixture for wear-resistant steel castings according to claim 4, characterized in that: the top end of the pressing rod is provided with a convex plate, and the convex plate extends towards the direction far away from the pressing plate.

6. An edging work fixture for wear-resistant steel castings according to claim 5, characterized in that: the positioning push rod is hinged with the bottom plate in a damping mode.