CN202017694U

CN202017694U - Bolt and screw cap for fixing fixture or die

Info

Publication number: CN202017694U
Application number: CN2011200457428U
Authority: CN
Inventors: 吴文忠
Original assignee: KUNG DEAN LI (BEQUTZ) CO Ltd
Current assignee: KUNG DEAN LI (BEQUTZ) CO Ltd
Priority date: 2011-02-24
Filing date: 2011-02-24
Publication date: 2011-10-26
Anticipated expiration: 2021-02-24

Abstract

The utility model discloses a bolt and a screw cap for fixing a fixture or a die. In the bolt and the screw cap, a rod body with a thread section is arranged on the bolt; a positioning part or a blocking fin is arranged at one end of the rod body; the blocking fin is positioned at the connected part between the bolt and the positioning part; the screw cap is screwed on the bolt and is provided with a body; a first contact surface is arranged on the body; a cap is relatively combined with the first contact surface of the body; a second contact surface is arranged at the position of the cap, which corresponds to the first contact surface; and more than one projecture is at least convexly arranged on the first contact surface or the second contact surface. With the bolt and screw cap structure, the bolt can be prevented from rotating, can be stably positioned and ensure that the force can be firmly applied when the fixture or the die is locked; and in addition, in the screwing process, the defect of tooth breaking or separating can be overcome.

Description

The bolt of fixed jig or mould and nut

Technical field

The utility model relates to the bolt and the nut of a kind of fixed jig or mould.

Background technique

The tool on the general common at present machine tool or the means of fixation of mould, main as Figure 6 and Figure 7, the board A of its machine tool is provided with the groove A1 that several sections are convex, place, these grooves A1 top forms the narrower opening A2 of a width, and then the flat positioning part B1 of a bolt B is placed in this groove A1, this bolt B is convexedly stretched on the board A, again will be in order to fixed jig C(or mould) pressing plate D be sheathed on this bolt B after, make two pressing plate D compress this tool C respectively by the both sides of tool C, place, this two pressing plate D opposite side below can be placed with a cushion block D1, make this two pressing plate D can balance and contour, give this pressing plate of packing D with a nut E again,, so construct for fixing this tool C, but since the diameter of this bolt B less than the opening A2 width of this groove A1, therefore meeting and its generation one gap when the machining operation application of force, can cause bolt B to tilt, it is as for making this positioning part B1 produce slippage in groove A1, so that influence machining accuracy.

Other has a bolt F who is convex shape to construct, as shown in Figure 8, it convexes with the less neck F2 of a width on a flat positioning part F1, on this neck F2, offer a screw F3 again, it is interior to a degree of depth that this bolt F is screwed into this screw F3, again this positioning part F1 is inserted in the groove A1 of this board A, then will be in order to fix this tool C(or tool) pressing plate D be sheathed on this bolt F after, a nut E again is spirally connected on bolt F, for this pressing plate of packing D, though can utilize the neck F2 on the F1 of this positioning part to match with the opening A2 of this groove A1, in groove A1, produce the shortcoming generation of slippage so as to preventing this bolt F inclination or positioning part F1 to remove the gap; But but because this bolt F is screwed into the interior degree of depth of screw F3 of positioning part F1, and can't judge by outward appearance with visual, therefore in case be screwed into the degree of depth of this screw F3 and cross when shallow, in the process that screws nut E, make bolt F collapse tooth easily or separate, will make that the operator is injured when serious with positioning part F1.

In view of this, the inventor is not at attaining perfect many disappearances and the inconvenience that causes in the design of above-mentioned bolt and nut structure, and deeply design, and the active research improvement has a fling at and development and Design goes out the utility model.

The model utility content

The purpose of this utility model is to provide the bolt and the nut of a kind of fixed jig or mould, to solve in the prior art when the machining operation application of force, can cause tilt bolt, make the positioning part in groove, produce slippage, so that influence machining accuracy, and in the process that screws, there is the shortcoming that collapses tooth or separation to produce.

In order to reach above-mentioned purpose, solution of the present utility model is:

The bolt of a kind of fixed jig or mould, this bolt are provided with the body of rod with thread section, and this body of rod is provided with two ends, and wherein an end is provided with a positioning part, and the connecting part of this body of rod and positioning part convexes with barrier flaps.

The cross section of above-mentioned bolt is inverted T shape.

Above-mentioned thread section is identical with the diameter of this body of rod.

A kind of fixed jig of the bolt that cooperates said fixing tool or mould or the nut of mould, this nut is provided with a body, this body is provided with first surface of contact, this body is combined with a cap relatively on its first surface of contact, this cap corresponds to this first surface of contact position and is provided with one second surface of contact, and convexes with more than one bump at least on this first surface of contact or second surface of contact.

Above-mentioned bump is the bulge loop of arc surfaced.

Above-mentioned bump is the protruding grain of arc surfaced.

After adopting said structure, the utlity model has following advantage:

1. after bolt of the present utility model is inserted in the groove on the board of machine tool, utilize its barrier flaps can with the opening of this groove about match, so as to preventing this bolt turn, but strong fix, the application of force in a down-to-earth manner in the time of can guaranteeing to lock tool or mould.

2. bolt of the present utility model is provided with a flat positioning part and a barrier flaps, and this barrier flaps then is located at the connecting part of this body of rod and positioning part, and its structure that is spirally connected whole and Nonseparation does not have the shortcoming that collapses tooth or separation and produces in the process that screws.

3. the utility model is on second surface of contact of first surface of contact of the body of nut or its cap, convexes with more than one through heat treated bump the resistance when screwing nut so as to reducing at least.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the present utility model;

Fig. 2 is the sectional view of the utility model nut;

Fig. 3 is the use schematic representation of the utility model fixed jig;

Fig. 4 is the G-G sectional view of the utility model Fig. 3;

Fig. 5 is the sectional view of another embodiment's nut of the utility model;

Fig. 6 is a schematic representation of commonly using bolt and fixed by nut tool;

Fig. 7 is the H-H sectional view of Fig. 6;

Fig. 8 is the assembled sectional view that another kind is commonly used bolt and nut structure.

The primary component symbol description

1 bolt, 11 bodies of rod

12 positioning parts, 13 barrier flaps

14 thread sections, 2 nuts

21 pedestals, 22 first surface of contact

23 bumps, 24 caps

25 second surface of contact, 3 nuts

31 bodies, 32 first surface of contact

33 caps, 34 second surface of contact

35 bump A boards

A1 groove A2 opening

C tool B bolt

B1 positioning part D pressing plate

D1 cushion block E nut

F bolt F1 positioning part

F2 neck F3 screw.

Embodiment

In order further to explain the technical solution of the utility model, the utility model is elaborated below by specific embodiment.

At first, see also Figure 1 and Figure 2, the utility model includes bolt 1 and nut 2, wherein:

Bolt 1, it is provided with the body of rod 11 of a tool suitable length thread section 14, and this thread section 14 is identical with the diameter of this body of rod 11, this body of rod 11 is provided with two ends, wherein an end is provided with a flat positioning part 12, this body of rod 11 convexes with a barrier flaps 13 with the connecting part of positioning part 12, makes the cross section of this bolt 1 be inverted T shape.

Nut 2, it is bolted on this bolt 1, this nut 2 is provided with a body 21, this body 21 is provided with one first surface of contact 22, at least convex with more than one bump 23 on this first surface of contact 22, the protruding grain of bulge loop that this bump 23 is an arc surfaced or arc surfaced, this bump 23 is through Overheating Treatment, has splendid wear resistance and hardness, this body 21 is combined with a cap 24 relatively on its first surface of contact 22, this cap 24 corresponds to these first surface of contact, 22 positions and is provided with one second surface of contact 25.

During use, as shown in Figures 3 and 4, its positioning part 12 with this bolt 1 is placed in the groove A1 on the board A of a machine tool, the body of rod 11 of this bolt 1 can be convexedly stretched on this board A, again will be in order to fixed jig C(or mould) pressing plate D be sheathed on this bolt 1 after, make two pressing plate D compress this tool C respectively downwards by the both sides of tool C, place, this two pressing plate D opposite side below can be placed with a cushion block D1, make this two pressing plate D can balance and contour, body 21 with this nut 2 is bolted on this bolt 1 again, screwed again, in the process that screws, utilize on this positioning part 12 barrier flaps 13 can with the opening A2 of this groove A1 about match to avoid turn, produce the illusion that screws so as to the body of rod 11 that prevents this bolt 1, being unlikely adding makes tool C get loose man-hour, guarantee that it locks fully, because the barrier flaps 13 of this bolt 1 and the body of rod 11 and positioning part 12 and Nonseparation are spirally connected, not having the shortcoming that collapses tooth or separation produces, and this nut 2 pastes to this pressing plate D with its cap 24, therefore when the body 21 of rotary nut 2, this body 21 sees also shown in Figure 2 with the bump 23(on its first surface of contact 22), second surface of contact 25 with respect to this cap 24 is rotated, can reduce the resistance that produces friction when screwing body 21, also can prevent simultaneously relative rotation between this cap 24 and the pressing plate D, to prevent to destroy the surface of this pressing plate D.

Another embodiment of the utility model, as shown in Figure 5, the body 31 of this nut 3 is provided with one first surface of contact 32, be combined with a cap 33 on this first surface of contact 32 relatively, be provided with one second surface of contact 34 and this cap 33 corresponds to these first surface of contact, 32 positions, be provided with more than one bump 35 on this second surface of contact 34 at least, this bump 35 is equally through Overheating Treatment, has splendid wear resistance and hardness, the resistance that is produced so as to can reduce the body 31 that screws nut 3 time.

The foregoing description and accompanying drawing and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present utility model to its suitable variation or modification of doing.

Claims

1. the bolt of fixed jig or mould is characterized in that: this bolt is provided with the body of rod with thread section, and this body of rod is provided with two ends, and wherein an end is provided with a positioning part, and the connecting part of this body of rod and positioning part convexes with barrier flaps.

2. the bolt of fixed jig or mould according to claim 1, it is characterized in that: the cross section of this bolt is inverted T shape.

3. the bolt of fixed jig or mould according to claim 1, it is characterized in that: this thread section is identical with the diameter of this body of rod.

4. the fixed jig of a bolt that cooperates described fixed jig of claim 1 or mould or the nut of mould, it is characterized in that: this nut is provided with a body, this body is provided with first surface of contact, this body is combined with a cap relatively on its first surface of contact, this cap corresponds to this first surface of contact position and is provided with one second surface of contact, and convexes with more than one bump at least on this first surface of contact or second surface of contact.

5. as the nut of fixed jig as described in the claim 4 or mould, it is characterized in that: this bump is the bulge loop of arc surfaced.

6. as the nut of fixed jig as described in the claim 4 or mould, it is characterized in that: this bump is the protruding grain of arc surfaced.