CN217667913U

CN217667913U - A anchor clamps for blank foundry goods adds

Info

Publication number: CN217667913U
Application number: CN202220777420.0U
Authority: CN
Inventors: 姜洪; 张舟; 包美超; 姜国安
Original assignee: Shanghai Haiyijiao Enterprise Development Co ltd
Current assignee: Shanghai Haiyijiao Enterprise Development Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-10-28
Anticipated expiration: 2032-03-31

Abstract

The utility model relates to the technical field of clamps, in particular to a clamp for precisely adding a blank casting, which comprises a first clamping mechanism and a second clamping mechanism; the first clamping mechanisms are arranged at the upper end and the lower end of the bridge plate, and the second clamping mechanisms are arranged at the left side and the right side of the bridge plate; the first clamping mechanism comprises a C-shaped plate, a threaded sleeve is arranged on one side of an inner cavity of the C-shaped plate, and a screw rod is arranged on the threaded sleeve in a threaded manner; the other side of the inner cavity of the C-shaped plate is provided with a positioning sleeve, a nut is arranged on the positioning sleeve, and the nut is connected with a taper pin through a spring; the second clamping mechanism comprises a first fixed jaw, a flat key, a positioning plate, a positioning pin and a second fixed jaw. The first clamping mechanism and the second clamping mechanism of the clamp are fixed on the same machining center, and complete machining is completed through twice clamping, so that the turnover time and the clamping time of a product during machining are reduced, the machining efficiency, the machine tool utilization rate and the labor utilization rate are improved, and the machining cost of the product is reduced.

Description

A anchor clamps for blank foundry goods adds

Technical Field

The utility model relates to an anchor clamps technical field specifically is an anchor clamps that is used for blank foundry goods essence to add.

Background

When a workpiece is machined on a machine tool, in order to enable the surface of the workpiece to meet the dimensional requirement, the geometric requirement and the position requirement of a machined hole and a non-machined surface specified by a drawing, accurate and stable positioning of the clamped blank must be ensured, and when a product is machined, the blank is prohibited from loosening, most of the existing clamps for machining a blank casting cannot meet the machining requirement, so that the existing clamps need to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anchor clamps that is used for blank foundry goods essence to add to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a clamp for finish machining of a blank casting comprises a first clamping mechanism and a second clamping mechanism; the first clamping mechanisms are arranged at the upper end and the lower end of the bridge plate, and the second clamping mechanisms are arranged at the left side and the right side of the bridge plate; the first clamping mechanism comprises a C-shaped plate, an opening of the C-shaped plate is arranged at one end far away from the bridge plate, a threaded sleeve is arranged on one side of an inner cavity of the C-shaped plate, a screw rod is arranged on the threaded sleeve in a threaded manner, and a rotating handle is arranged at the outer end part of the screw rod; the other side of the inner cavity of the C-shaped plate is provided with a positioning sleeve, a connecting chute is formed in the positioning sleeve, a nut is arranged inside the connecting chute, the nut is connected with a taper pin through a spring, the taper pin is slidably arranged in the connecting chute, and one end, away from the nut, of the taper pin is arranged on the outer side of the positioning sleeve;

the second clamping mechanism comprises a first fixed jaw, a flat key, a positioning plate, a positioning pin and a second fixed jaw, wherein the first fixed jaw and the second fixed jaw are both fixed on the outer side wall of the bridge plate, one end of the first fixed jaw close to the second fixed jaw is movably connected with the positioning plate, and the positioning plate is provided with the positioning pin; the bottom of the first fixed jaw is also provided with a flat key, and the flat key is connected with the positioning plate through a mortise and tenon structure.

Preferably, a connecting bump is arranged at the bottom of one end, close to the positioning plate, of the second fixed jaw, and a connecting groove matched with the connecting bump is formed in the position, corresponding to the connecting bump, of the positioning plate.

Preferably, the first clamping mechanisms are provided with four groups, and the four groups of first clamping mechanisms are respectively arranged on the left side and the right side of the upper surface and the lower surface of the bridge plate.

Preferably, the second clamping mechanisms are provided with four groups, and the four groups of second clamping mechanisms are respectively arranged on the left side and the right side of the left outer side wall and the right outer side wall of the bridge plate.

Preferably, the length of connecting the spout is unanimous with the length of position sleeve, and the inside nut position of connecting the spout is adjusted through interior hexagonal spanner to adjust spring elasticity size, change the deformation degree of taper pin and blank hole extrusion force.

Preferably, the cross-section of the positioning pin is of a T-shaped structure, a positioning groove matched with the positioning pin structure is formed in the position, corresponding to the positioning pin, of the positioning plate, and the horizontal part of the positioning pin is horizontally installed in the positioning groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a pair of an anchor clamps that is used for blank foundry goods essence to add, the first clamping of this anchor clamps is constructed, second clamping is constructed and is fixed on same platform processing center, accomplishes whole processing through twice clamping, has reduced turnaround time, clamping time that the product adds man-hour, has improved machining efficiency, lathe utilization ratio and manual work utilization ratio to reduce the processing cost of product.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the specific structure of the present invention;

fig. 3 is a schematic structural diagram of the first clamping mechanism of the present invention;

fig. 4 is a schematic structural diagram of a second clamping mechanism of the present invention;

fig. 5 is a cross-sectional view of a second clamping mechanism of the present invention;

fig. 6 is a side view of the positioning plate and the first stationary jaw of the present invention.

In the figure: 1. a bridge plate; 2. c-shaped plates; 3. a threaded sleeve; 4. a screw; 5. a first fixed jaw; 6. a flat bond; 7. positioning a plate; 8. positioning pins; 9. a second fixed jaw; 10. a taper pin; 11. rotating the handle; 12. a positioning sleeve; 13. connecting the sliding chute; 14. a nut; 15. a connection bump; 16. a connecting groove; 17. a spring; 18. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-6, the present invention provides a technical solution: a clamp for finish machining of a blank casting comprises a first clamping mechanism and a second clamping mechanism; the first clamping mechanisms are arranged at the upper end and the lower end of the gap bridge plate 1, and the second clamping mechanisms are arranged at the left side and the right side of the gap bridge plate 1; the first clamping mechanism comprises a C-shaped plate 2,C, wherein an opening of the C-shaped plate 2 is formed in one end far away from the gap bridge plate 1, a threaded sleeve 3 is installed on one side of an inner cavity of the C-shaped plate 2, a screw rod 4 is installed on the threaded sleeve 3 in a threaded mode, and a rotating handle 11 is installed on the outer end portion of the screw rod 4; a positioning sleeve 12 is arranged on the other side of the inner cavity of the C-shaped plate 2, a connecting sliding chute 13 is formed in the positioning sleeve 12, a nut 14 is installed inside the connecting sliding chute 13, the nut 14 is connected with a taper pin 10 through a spring 15, the taper pin 10 is installed in the connecting sliding chute 13 in a sliding mode, and one end, far away from the nut 14, of the taper pin 10 is arranged on the outer side of the positioning sleeve 12;

the second clamping mechanism comprises a first fixed jaw 5, a flat key 6, a positioning plate 7, a positioning pin 8 and a second fixed jaw 9, wherein the first fixed jaw 5 and the second fixed jaw 9 are both fixed on the outer side wall of the bridge plate 1, one end of the first fixed jaw 5 close to the second fixed jaw 9 is movably connected with the positioning plate 7, and the positioning pin 8 is arranged on the positioning plate 7; the bottom of the first fixed jaw 5 is also provided with a flat key 6, and the flat key 6 is connected with the positioning plate 7 through a mortise and tenon joint structure.

Furthermore, a connecting bump 15 is disposed at the bottom of the end of the second fixed jaw 9 close to the positioning plate 7, and a connecting groove 16 used in cooperation with the connecting bump 15 is disposed at a position of the positioning plate 7 corresponding to the connecting bump 15.

Furthermore, four groups of first clamping mechanisms are arranged, and the four groups of first clamping mechanisms are respectively arranged on the left side and the right side of the upper surface and the lower surface of the gap bridge plate 1.

Furthermore, four groups of second clamping mechanisms are arranged, and the four groups of second clamping mechanisms are respectively arranged on the left side and the right side of the left outer side wall and the right outer side wall of the gap bridge plate 1.

Furthermore, the length of the connecting sliding chute 13 is consistent with that of the positioning sleeve 12, and the position of the nut 14 inside the connecting sliding chute 13 is adjusted through an inner hexagonal wrench, so that the elastic force of the spring 15 is adjusted, and the deformation degree of the conical pin 10 and the extrusion force of the blank hole is changed.

Furthermore, the cross section of the positioning pin 8 is of a T-shaped structure, a positioning groove matched with the positioning pin 8 in structure is formed in the position, corresponding to the positioning pin 8, of the positioning plate 7, and the horizontal part of the positioning pin 8 is horizontally installed in the positioning groove.

When the clamp is actually used, the bridge plate 1 can be used for connecting a four-axis turntable; the upper and lower four C-shaped plates 2 of the bridge plate 1 are used as a first clamping mechanism for processing three surfaces of a product; the second clamping mechanisms on the left and the right of the bridge plate 1 are used for clamping the rest three surfaces of the product.

The clamping method of the first clamping mechanism comprises the following specific steps: operating personnel is through rotatory corresponding twist grip 11, make twist grip 11 drive two screw rods 4 on first clamping machine structure right side and rotate, extrude the product through screw rod 4, make the product move left, make two taper pins 10 of 2 left ends of C template insert the downthehole that the product corresponds, screw rod 4 continues to be screwed up, make the product left end hug closely with position sleeve 12 right-hand member, two screw rods 4 and two taper pins 10 guarantee the repeated clamping of product, position sleeve 12 right-hand member plane is the position of guaranteeing the blank about reverse, both combine to guarantee the stability of repeated location. The taper pin 10 extrudes the corresponding trompil on the product under the effect of spring 17 for contact department produces and warp, and the unusual arch that produces when avoiding casting blank hole department casting influences the location, adjusts spring 17's elasticity size through nut 1, thereby changes the deformation degree of taper pin 10 and product trompil extrusion force.

The clamping method of the second clamping mechanism comprises the following specific steps: the positioning pin 8 on the positioning plate 7 is inserted into two holes of the first sequence of the product, the connecting groove 16 on the positioning plate 7 is placed on the connecting convex block 15 on the first fixed jaw, and then the flat key 6 is fixed at the bottom of the first fixed jaw 5 through screw matching, so that the workpiece is clamped.

It is worth noting that: the whole device realizes control to the device through the controller, and the controller is common equipment and belongs to the existing mature technology, and the electrical connection relation and the specific circuit structure of the controller are not repeated herein.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a anchor clamps that is used for blank foundry goods essence to add which characterized in that: the clamping device comprises a first clamping mechanism and a second clamping mechanism; the first clamping mechanisms are arranged at the upper end and the lower end of the gap bridge plate (1), and the second clamping mechanisms are arranged at the left side and the right side of the gap bridge plate (1); the first clamping mechanism comprises a C-shaped plate (2), an opening of the C-shaped plate (2) is arranged at one end far away from the bridge plate (1), a threaded sleeve (3) is installed on one side of an inner cavity of the C-shaped plate (2), a screw rod (4) is installed on the threaded sleeve (3) in a threaded mode, and a rotating handle (11) is installed on the outer end portion of the screw rod (4); the other side of the inner cavity of the C-shaped plate (2) is provided with a positioning sleeve (12), a connecting sliding groove (13) is formed in the positioning sleeve (12), a nut (14) is installed inside the connecting sliding groove (13), the nut (14) is connected with a taper pin (10) through a spring (17), the taper pin (10) is installed in the connecting sliding groove (13) in a sliding mode, and one end, far away from the nut (14), of the taper pin (10) is arranged on the outer side of the positioning sleeve (12);

the second clamping mechanism comprises a first fixed jaw (5), a flat key (6), a positioning plate (7), a positioning pin (8) and a second fixed jaw (9), wherein the first fixed jaw (5) and the second fixed jaw (9) are both fixed on the outer side wall of the bridge plate (1), one end, close to the second fixed jaw (9), of the first fixed jaw (5) is movably connected with the positioning plate (7), and the positioning pin (8) is arranged on the positioning plate (7); the bottom of the first fixed jaw (5) is also provided with a flat key (6), and the flat key (6) is connected with a positioning plate (7).

2. The jig for precision machining of green castings according to claim 1, wherein: a connecting convex block (15) is arranged at the bottom of one end, close to the positioning plate (7), of the second fixed jaw (9), and a connecting groove (16) matched with the connecting convex block (15) is formed in the position, corresponding to the connecting convex block (15), of the positioning plate (7).

3. A jig for rough casting finishing as defined in claim 1 wherein: the first clamping mechanisms are provided with four groups, and the four groups of first clamping mechanisms are respectively arranged on the left side and the right side of the upper surface and the lower surface of the bridge plate (1).

4. The jig for precision machining of green castings according to claim 1, wherein: the second clamping mechanisms are provided with four groups, and the four groups of second clamping mechanisms are respectively arranged on the left side and the right side of the left outer side wall and the right outer side wall of the bridge plate (1).

5. The jig for precision machining of green castings according to claim 1, wherein: the length of the connecting sliding chute (13) is consistent with that of the positioning sleeve (12), and the position of a nut (14) inside the connecting sliding chute (13) is adjusted through an inner hexagonal wrench.

6. The jig for precision machining of green castings according to claim 1, wherein: the cross-section of locating pin (8) is T shape structure, offers constant head tank (18) with locating pin (8) structure adaptation on locating plate (7) corresponds the position of locating pin (8), and the horizontal part horizontal installation of locating pin (8) is in constant head tank (18).