CN216940127U

CN216940127U - Clamp matched with polishing

Info

Publication number: CN216940127U
Application number: CN202220494103.8U
Authority: CN
Inventors: 卢清
Original assignee: Kunshan Dingzhijie Machinery Technology Co ltd
Current assignee: Kunshan Dingzhijie Machinery Technology Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-07-12
Anticipated expiration: 2032-03-07

Abstract

The utility model discloses a clamp matched with polishing, which comprises a clamp body, wherein the clamp body comprises symmetrically arranged fixing parts, and the two fixing parts are connected through a semicircular positioning part in a vertical plane; the distance between the two fixing parts is matched with the peripheral diameter of the product, the length of the two fixing parts in the Y direction is matched with the thickness of the product, and two ends of the two fixing parts are respectively provided with claw heads which extend along the X direction and are mutually corresponding, so that the product can be accommodated in a space formed by the four claw heads; the four-claw head is provided with a plurality of cylindrical first rollers which are abutted against the outer edge surface of the product, the side surfaces of the first rollers are tangent to the outer edge surface of the product, and is also provided with a plurality of cylindrical second rollers which are abutted against the inner edge surface of the product, and the side surfaces of the second rollers are tangent to the inner edge surface of the product; after being fixed, the product can be contacted with the side surfaces of the first roller and the second roller and can rotate around the central shaft of the product; the clamp body can be turned over around the first central shaft at the same time.

Description

Clamp matched with polishing

Technical Field

The utility model relates to the field of clamps, in particular to a clamp matched with polishing.

Background

Details of some product parts are particularly complicated as shown in fig. 1 and 2, and after casting by a grinding tool, details thereof need to be ground, and due to the complicated structure, grinding can be performed only by a manual method. To facilitate manual grinding, the product parts are positioned at different angles relative to the worker, and the common practice is to rotate or turn the product about its central axis, which requires a fixture to hold the product and to turn or rotate the product.

As shown in fig. 1 and 2, the torus which is in contact with the outside on both sides of the product is defined as an outer edge surface 101, and the surface which is adjacent to and perpendicular to the outer edge surface is defined as an inner edge surface 102.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a clamp which can clamp a product and can enable the product to turn over or rotate and is used for polishing in a matching way.

The technical scheme of the utility model is as follows:

a clamp matched with polishing comprises a clamp body, wherein the clamp body comprises fixing parts which are symmetrically arranged, and the two fixing parts are connected through a semicircular positioning part in a vertical plane; defining the direction of a central connecting line between the two fixed parts as a first central shaft, the direction of the first central shaft in the horizontal plane is an X direction, and the direction vertical to the X direction is a Y direction; the distance between the two fixing parts is matched with the peripheral diameter of a product, the length of the two fixing parts in the Y direction is matched with the thickness of the product, and two ends of the two fixing parts are respectively provided with claw heads which extend along the X direction and are mutually corresponding, so that the product can be accommodated in a space formed by the four claw heads;

the four claw heads are respectively provided with a plurality of cylindrical first rollers which are abutted against the outer edge surface of the product, the side surfaces of the first rollers are tangent to the outer edge surface of the product, and are respectively provided with a plurality of cylindrical second rollers which are abutted against the inner edge surface of the product, and the side surfaces of the second rollers are tangent to the inner edge surface of the product; after being fixed, the product can be contacted with the side surfaces of the first roller and the second roller and can rotate around the central shaft of the product; the clamp body can be turned over around the first central shaft at the same time.

Preferably, the fixing device further comprises a first column member and a second column member, the two fixing portions extend along the first central axis in the direction away from each other to form extending portions, and the two extending portions are respectively connected with the first column member and the second column member in a positioning and rotating mode.

Preferably, the top ends of the first column piece and the second column piece are provided with first grooves for the extension parts to be placed in, the extension parts are cylindrical, and the surfaces of the first grooves are flat, so that the first grooves are in line contact or surface contact with the extension parts, and the extension parts can rotate conveniently.

Preferably, the first column member and the second column member limit the extension part of the clamp body through a locking fastener.

Preferably, the lock catch piece comprises a pressing piece capable of rotating around the upper surface of the first column piece or the second column piece, and an arc-shaped second groove matched with the shape and size of the extension part is formed in the position, opposite to the first groove, of the pressing piece; the pressing piece is attached to the extending portion and then penetrates through the first positioning hole and the second positioning hole to lock the extending portion.

Preferably, the claw heads are provided with a plurality of first positioning shafts on the circumferential path of the outer edge surface of the product in a positioning manner, and the first positioning shafts are sleeved with the first rollers; the claw heads are all provided with a plurality of second positioning shafts on the circumferential path of the inner edge surface of the product in a positioning mode, and the second positioning shafts are sleeved with the second rollers.

Preferably, at least two of the claw heads are detachably connected with the corresponding fixing parts; when only two claw heads are detachably connected with the corresponding fixing parts, the two claw heads are respectively positioned at the same ends of the two fixing parts.

Preferably, the claw head detachably connected with the corresponding fixing part is defined as a movable claw head, and the movable claw head is connected with the corresponding fixing part through a connecting piece; the movable claw heads comprise clamping parts and claw head parts;

the connecting piece is L-shaped and comprises a first connecting part extending along the X direction and a second connecting part extending along the Y direction, and a third groove matched with the second connecting part in shape and size is formed in the end part of the fixing part so that the second connecting part can be inserted into the third groove; the first connecting portion of connecting piece seted up with the shape size assorted fourth recess of joint portion makes in the joint portion can insert the fourth recess.

Preferably, the first roller and the second roller are both rubber rollers. The beneficial technical effects of the utility model are as follows:

1. the extension parts at the two ends of the clamp body are respectively placed in the grooves at the top ends of the first column piece and the second column piece, so that the clamp body can drive the product to turn around a first central shaft;

2. the clamp body comprises four claw heads, each claw head is provided with a plurality of cylindrical first rollers on the circumferential path of the outer edge surface of a product and a plurality of cylindrical second rollers on the circumferential path of the inner edge surface of the product, and the product is positioned and clamped by the first rollers and the second rollers and can rotate around the central shaft of the product;

3. at least two claw heads are detachably connected with the corresponding fixing parts, so that the product is convenient to disassemble and assemble.

Drawings

FIG. 1 is a schematic side view of a product;

FIG. 2 is another side view of the product;

FIG. 3 is a schematic view of the structure of the present invention 1;

FIG. 4 is a schematic structural diagram of the present invention 2;

FIG. 5 is a schematic view of the present invention in a product loading configuration;

FIG. 6 is a schematic view of a jig body;

fig. 7 is an exploded view of the catch member;

FIG. 8 is a schematic view of the claw head configuration of FIG. 1;

FIG. 9 is a schematic view of the claw head configuration of FIG. 2;

FIG. 10 is a schematic view of a connector configuration;

wherein:

1. a clamp body; 2. a fixed part; 3. a positioning part; 4. a claw head; 5. a first column member; 6. a second column member; 7. a fastener; 8. a connecting member; 9. an extension portion;

21. a third groove; 22. a first card slot;

41. a first drum; 42. a second drum; 43. a first positioning shaft; 44. a second positioning shaft; 45. a clamping part; 46. a claw portion;

51. a first groove; 52. a second positioning hole; 53. a rotating shaft;

71. a pressing part; 711. a second groove; 712. a first positioning hole;

81. a first connection portion; 82. a second connecting portion; 83. a fourth groove; 84. a second card slot;

101. an outer edge surface; 102. an inner edge surface.

Detailed Description

In order to make the technical means of the present invention clearer and to make the technical means of the present invention capable of being implemented according to the content of the specification, the following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples, which are provided for illustrating the present invention and are not intended to limit the scope of the present invention.

Referring to fig. 1 to 10, the present embodiment provides a clamp for polishing, as shown in fig. 3 to 5, including a clamp body 1, the clamp body includes symmetrically disposed fixing portions 2, and the two fixing portions are connected by a semicircular positioning portion 3 in a vertical plane; the two fixing portions and the positioning portion may be integrally formed, or may be fixedly connected by a fixing member such as a fixing screw.

A connecting line direction of centers between the two fixing parts is defined as a first central axis, a direction in which the first central axis is located in the horizontal plane is defined as an X direction, and a direction perpendicular to the X direction is defined as a Y direction. The distance between the two fixing parts is matched with the peripheral diameter of the product, and the partial length of the two fixing parts in the Y direction is matched with the thickness of the product. In order to stabilize the structure of the whole clamp, the two fixing parts are centrosymmetric along the first central shaft.

Two ends of the two fixing parts are respectively provided with a claw head 4 which extends along the X direction and corresponds to each other, so that a product can be accommodated in a space formed by the four claw heads; the four claw heads are respectively provided with a plurality of cylindrical first rollers 41 which are abutted against the outer edge surface 101 of the product, and the side surfaces of the first rollers are tangent to the outer edge surface of the product; the four claw heads are provided with a plurality of cylindrical second rollers 42 which are abutted with the inner edge surface 102 of the product, and the side surfaces of the second rollers are tangent with the inner edge surface of the product; the product clamp is positioned between the first rollers and the second rollers and can rotate around the central axis of the product. The anchor clamps body can be around the upset of first center pin simultaneously for each position homoenergetic of product is just so that polish each position of product to the workman.

This embodiment still includes first post 5 and second post 6, and two fixed parts all extend along first central axis to the direction that deviates from each other and form extension 9, and two extensions are connected with first post and second post location rotation respectively. The connection form is various, and is not limited, for example, in fig. 7, the top ends of the first column member and the second column member are provided with a first groove 51 for the extension portion to be placed therein. The extension part is cylindrical, and the surface of the first groove is flat, so that the first groove is in line contact or surface contact with the extension part, and the rotation of the extension part is facilitated.

The first column piece and the second column piece limit the extension part of the clamp body through the locking fastener 7. The locking fastener can be arranged at the first column part, can also be arranged at the second column part, and can also be arranged at both sides.

The fastener comprises a pressing piece 71 capable of rotating around the upper surface of the first column piece or the second column piece, one end of the upper surface of the first column piece or the second column piece is provided with a rotating shaft 53, the pressing piece is provided with a through hole matched with the rotating shaft, is rotatably connected with the first column piece or the second column piece through the rotating shaft, and can press the extension part or keep away from the extension part. The pressing piece is provided with a circular arc-shaped second groove 711 which is matched with the shape and the size of the extending part and is opposite to the first groove. The end of the pressing piece far away from the rotating shaft is provided with a first positioning hole 712, the upper surface of the first column piece or the second column piece is provided with a second positioning hole 52 corresponding to the first positioning hole, and the pressing piece is attached to the extension part and then locked by penetrating through the first positioning hole and the second positioning hole by an external positioning piece.

The extension part and the first column part and the second column part can be connected in other forms, for example, the first column part and the second column part are respectively connected with a bearing outer ring in a positioning mode, and the two extension parts are respectively sleeved with bearing inner rings to enable the clamp body to drive the product to rotate relative to the first column part and the second column part.

As shown in fig. 8 and 9, the claw heads are respectively provided with a plurality of first positioning shafts 43 on the circumferential path of the outer edge surface of the product, and the first rollers are sleeved on the first positioning shafts and can rotate around the first positioning shafts; the claw heads are provided with a plurality of second positioning shafts 42 on the circumferential path of the inner edge surface of the product in a positioning manner, and the second rollers are sleeved on the second positioning shafts and can rotate around the second positioning shafts.

In this embodiment, each claw head is provided with two first positioning shafts and two second positioning shafts. Preferably, the first roller and the second roller are made of rubber, so that the surface abrasion of the product can be avoided.

At least two claw heads are detachably connected with the corresponding fixing parts; when only two claw heads are detachably connected with the corresponding fixing parts, the two claw heads are respectively positioned at the same end of the two fixing parts.

The claw head detachably connected with the corresponding fixing part is defined as a movable claw head, and the movable claw head is connected with the corresponding fixing part through a connecting piece 8; the movable claw heads comprise clamping parts 45 and claw head parts 46.

The form of the connecting member is various, and is not limited, for example, as shown in fig. 10, the connecting member is L-shaped, and includes a first connecting portion 81 extending along the X direction and a second connecting portion 82 extending along the Y direction, and the end of the fixing portion is opened with a third groove 21 matching with the shape and size of the second connecting portion, so that the second connecting portion can be inserted into the third groove; the surface of the fixing part is provided with a first clamping groove 22 corresponding to the third groove and communicated with the third groove, and a positioning screw can be arranged in the first clamping groove and is abutted against the surface of the second connecting part so as to be fixed with the fixing part.

The first connecting portion 81 of the connecting piece is provided with a fourth groove 83 matched with the shape and size of the clamping portion, so that the clamping portion can be inserted into the fourth groove. The surface of the first connecting part of the connecting piece is provided with a second clamping groove 84 communicated with the fourth groove at the position corresponding to the fourth groove, and a positioning screw can be arranged in the second clamping groove and is abutted against the surface of the clamping part to be fixed with the first connecting part.

The connecting piece can also be other forms, for example the joint portion is cylindricly and processing has the external screw thread, and the first connecting portion of connecting piece is inside hollow cylindricly, and inside processing has the internal thread that matches with the external screw thread of joint portion. The second connecting part of the connecting piece is cylindrical and is processed with external threads, the port of the fixing part connected with the second connecting part is cylindrical with a hollow inner part, and the inner part is processed with internal threads matched with the external threads of the second connecting part.

The use principle of the utility model is as follows: the jig body is connected with the first column piece and the second column piece, the movable claw heads on the same side of the two fixing parts are not installed, and a product is clamped between the first cylindrical barrel and the second cylindrical barrel of the other two claw heads; and then, installing a connecting piece, firstly adjusting the position of the connecting piece in the Y direction to fix the connecting piece with the fixing part, and then adjusting the position of the movable claw head in the X direction to enable the first cylinder and the second cylinder to be respectively contacted with the outer edge surface and the inner edge surface of the product.

The positioning part of the clamp body is shifted during polishing, so that the clamp body can drive the product to turn around the first central shaft. In addition, the product is manually stirred to enable the product to rotate around the central shaft of the product, so that all parts of the product can rotate to the position right facing a worker, and the product is convenient to polish.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a cooperation is polished and is used anchor clamps which characterized in that: the clamp comprises a clamp body (1), wherein the clamp body comprises fixing parts (2) which are symmetrically arranged, and the two fixing parts are connected through a semicircular positioning part (3) in a vertical plane; defining the direction of a central connecting line between the two fixed parts as a first central shaft, the direction of the first central shaft in the horizontal plane is an X direction, and the direction vertical to the X direction is a Y direction; the distance between the two fixing parts is matched with the peripheral diameter of a product, the length of the two fixing parts in the Y direction is matched with the thickness of the product, and two ends of the two fixing parts are respectively provided with claw heads (4) which extend along the X direction and are mutually corresponding, so that the product can be contained in a space formed by the four claw heads;

the four claw heads are respectively provided with a plurality of cylindrical first rollers (41) which are abutted against the outer edge surface (101) of the product, the side surfaces of the first rollers are tangent to the outer edge surface of the product, and are respectively provided with a plurality of cylindrical second rollers (42) which are abutted against the inner edge surface (102) of the product, and the side surfaces of the second rollers are tangent to the inner edge surface of the product; after being fixed, the product can be contacted with the side surfaces of the first roller and the second roller and can rotate around the central shaft of the product; the clamp body can be turned over around the first central shaft at the same time.

2. A jig for use in conjunction with grinding as defined in claim 1, wherein: the fixing part comprises a first column part (5) and a second column part (6), the fixing parts extend along the first central axis in the direction of deviating from each other to form extending parts (9), and the extending parts are respectively connected with the first column part and the second column part in a positioning and rotating mode.

3. A jig for use in conjunction with grinding as defined in claim 2, wherein: first recess (51) confession is seted up on first post spare and second post spare top for the extension is placed in, the extension is cylindric, first recess surfacing makes first recess and extension line contact or face contact be convenient for the rotation of extension.

4. A jig for use in conjunction with grinding as defined in claim 3, wherein: the first column piece and the second column piece limit the extension part of the clamp body through a locking piece (7).

5. A jig for use in conjunction with grinding according to claim 4, wherein: the lock catch piece comprises a pressing piece (71) capable of rotating around the upper surface of the first column piece or the second column piece, and an arc-shaped second groove (711) matched with the shape and the size of the extension part is formed in the position, opposite to the first groove, of the pressing piece; the pressing piece is far away from one end of the rotating shaft and is provided with a first positioning hole (712), a second positioning hole (52) is formed in the position, corresponding to the first positioning hole, of the upper surface of the first column piece or the second column piece, and the pressing piece is attached to the extending portion and then penetrates through the first positioning hole and the second positioning hole through an external positioning piece to lock the extending portion.

6. A jig for use in conjunction with grinding as defined in claim 1, wherein: the claw heads (4) are provided with a plurality of first positioning shafts (43) on the circumferential path of the outer edge surface of the product in a positioning mode, and the first rollers are sleeved on the first positioning shafts; the claw heads are all provided with a plurality of second positioning shafts (44) on the circumferential path of the inner edge surface of the product in a positioning mode, and the second positioning shafts are sleeved with the second rollers.

7. A jig for use in conjunction with grinding as defined in claim 1, wherein: at least two claw heads are detachably connected with the corresponding fixing parts; when only two claw heads are detachably connected with the corresponding fixing parts, the two claw heads are respectively positioned at the same ends of the two fixing parts.

8. The jig for mating grinding according to claim 7, wherein: the claw head detachably connected with the corresponding fixing part is defined as a movable claw head, and the movable claw head is connected with the corresponding fixing part through a connecting piece (8); the movable claw heads comprise clamping parts (45) and claw head parts (46);

the connecting piece (8) is L-shaped and comprises a first connecting part (81) extending along the X direction and a second connecting part (82) extending along the Y direction, and a third groove (21) matched with the second connecting part in shape and size is formed in the end part of the fixing part (2) so that the second connecting part can be inserted into the third groove; and a fourth groove (83) matched with the clamping part in shape and size is formed in the first connecting part of the connecting piece, so that the clamping part can be inserted into the fourth groove.

9. A jig for use in conjunction with grinding as defined in claim 1, wherein: the first roller and the second roller are both rubber rollers.