CN201102037Y

CN201102037Y - Production mold for drill chuck gripping jaw seat

Info

Publication number: CN201102037Y
Application number: CNU2007201150124U
Authority: CN
Inventors: 游友民
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-09-21
Filing date: 2007-09-21
Publication date: 2008-08-20
Anticipated expiration: 2017-09-21

Abstract

The utility model provides a production die of a drill chuck gripping jaw seat and belongs to the technical field of machines. The production die solves the problems existing in the prior art that the current processing methods have great waste of raw materials and high cost. The production die of a drill chuck gripping jaw seat includes a female die and a male die which mutually match; the female die is provided with a shaping cavity which consists of a cylindrical first cavity chamber and a conical second cavity chamber; the first and the second cavity chambers are on the same axis; the end with large inside diameter of the second cavity chamber is connected with the first cavity chamber; the inner wall of the second cavity chamber is provided with three element rests which are evenly spread and extend from one end of the conical inner wall to the other end; the element rests are cylindrical and can be inserted into the female die from the first cavity chamber. The production mould of the drill chuck gripping jaw seat has the advantages of simple and reasonable structure, and convenience in operation.

Description

A kind of production mould of drill chuck clamping jaw seat

Technical field

The utility model relates to a kind of drill chuck clamping jaw seat, relates in particular to the production mould of drill chuck clamping jaw seat.

Background technology

In industries such as machine-building, electronic apparatus, weaving, medicine, on employed bench drill, electric hand drill or the lathe, often need with drill chuck clamping drilling cutlery or cutter.The drill chuck clamping jaw seat is the vitals in the drill chuck.The jaw seat is placed in outside the drill chuck main body usually, and the drill chuck main body is during with respect to the rotation of jaw seat, but the jaw of clamping cutlery or cutter inwardly shrink, gradually drill bit is clamped.Be disclosed a kind of structure improved self-tightening drill chuck in the Chinese patent literature of 200410017129.x as application number, make in this structure under the situation that jaw seat and overcoat be maintained fixed that rotate main body, main body will move down self-tightening screw nail by screw thread.Moving down of self-tightening screw nail driven the jaw that is socketed on the self-tightening screw nail head and moved down together, and three jaws are inwardly shunk simultaneously, clamps drill bit.

Existing drill chuck clamping jaw seat is normally by lathe and milling machine processing, working strength is big, works under hard conditions, and requires very high and production efficiency is low to workman's qualification, particularly the processing of three bar-shaped troughs on the jaw seat is particularly loaded down with trivial details, and the careless slightly entire product that will cause is scrapped.On the other hand, the processing method of existing this employing lathe and milling machine is big to waste of raw materials, cost is also high, thus people expected by mould, by adopting extrusion process, raise labour productivity, reduce labour intensity.

Summary of the invention

The purpose of this utility model is at the problems referred to above, and the production mould that a kind of production efficiency height, labour intensity are little, can one-shot forming produce the drill chuck clamping jaw seat of the higher drill chuck clamping jaw seat of quality is provided.

For achieving the above object, the utility model has adopted following technical proposal: a kind of production mould of drill chuck clamping jaw seat, comprise a die and a punch of cooperatively interacting, it is characterized in that, described die has a forming cavity, this forming cavity is to be made of cylindrical circular chamber one and the chamber two that is truncated cone, chamber one and chamber two are positioned on the same axis, and an end and chamber one that chamber two internal diameters are bigger join, the inwall of chamber two is provided with the convex tendons that three equally distributed ends from the truncated cone inwall extend to the other end, and above-mentioned punch is cylindrical and can insert in the die from chamber one.

This utility model employing is cold, warm, the hot extrusion technology is produced the drill chuck clamping jaw seat, material is placed in the die, because punch is cylindrical and can insert in the die from chamber one, so after punch pushes towards material, the material core is extruded in the forming cavity, and is compressed to the drill chuck clamping jaw seat that shape matches with the structure of forming cavity in the die.Above-mentioned chamber one play the guiding role.The extrusion process here can be cold extrusion, can be other fashion of extrusion such as temperature, hot extrusion also, also can be other pressure processing methods.Cold extrusion is meant at normal temperatures and pushes that its pressure size is generally about 315T; The warm extrusion pressure is meant at 300-600 degree centigrade pushes, and its pressure size is generally about 260T; Hot extrusion is meant is pushing more than 800 degrees centigrade, and its pressure size is generally about 200T.During heating, can adopt the intermediate frequency furnace heating.

Forming cavity inner cavity chamber one and chamber two are positioned on the same axis, and an end and chamber one that chamber two internal diameters are bigger join, the inwall of chamber two is provided with three equally distributed convex tendons that extend to the other end from an end of truncated cone inwall, and as seen the shape of the shape of this forming cavity and jaw seat just in time adapts.

In the production mould of above-mentioned drill chuck clamping jaw seat, the less end of chamber two internal diameters of described die can insert the discharge arm that a jaw seat that is used for machining ejects, and this discharge arm has the groove that three outer end shapes with above-mentioned three convex tendons adapt.

After the drill chuck clamping jaw seat is pressed moulding, it need be taken out.Obviously, product can't be taken out, can only it be taken out from chamber one from the less end of die chamber two internal diameters.Product can be ejected by inserting discharge arm at the less end of chamber two internal diameters.So since discharge arm have groove that three outer end shapes with above-mentioned three convex tendons adapt can be smoothly by the drill chuck clamping jaw seat jack-up of the gap between three convex tendons after with moulding, and disengaging die.The jaw seat of the mode that the utility model also can adopt other after with moulding takes out, for example the mode of magnetic, recoil mode etc.

In the production mould of above-mentioned drill chuck clamping jaw seat, the less end of chamber two internal diameters of described die is provided with a cushion block, and above-mentioned discharge arm can pass cushion block and enter in the chamber two.Cushion block has cushioned the extruding force in the pressing process and has protected mould; Can play guide effect to discharge arm in addition.

In the production mould of above-mentioned drill chuck clamping jaw seat, the outer end of the chamber one of described die is provided with a columniform material seat that is used to place material.Material seat handled easily personnel or machine attach other automation equipment fill materials.

In the production mould of above-mentioned drill chuck clamping jaw seat, an end that can insert die in the described punch is provided with the roof pressure head of an external diameter less than the die internal diameter.The shape of roof pressure head can be the shape that adapts with the roof pressure head with the material upper press on the one hand; The pressure of punch is concentrated pressed to material, avoided being pressed onto die top, improved operating efficiency.

Compared with prior art, advantage of the present utility model is: this mould itself structural design advantages of simple, easy to operate.

Description of drawings

Fig. 1 is the schematic top plan view of die in this drill chuck clamping jaw seat production mould.

Fig. 2 is the elevational schematic view of die in this drill chuck clamping jaw seat production mould.

Fig. 3 is the schematic perspective view of die in this drill chuck clamping jaw seat production mould.

Fig. 4 be in this drill chuck clamping jaw seat production mould die analyse and observe schematic perspective view.

Fig. 5 is the user mode schematic diagram of this drill chuck clamping jaw seat production mould.

Fig. 6 is this drill chuck clamping jaw seat structural representation after the compression moulding in above-mentioned mould.

Among the figure, 1, die; 11, forming cavity; 12, chamber one; 13, chamber two; 14, convex tendon; 2, punch; 21, roof pressure head; 3, discharge arm; 31, groove; 4, cushion block; 5, material seat; 6, material; 7, the jaw seat after the extrusion modling.

The specific embodiment

Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

As Fig. 1, Fig. 2, Fig. 3, Fig. 5 and shown in Figure 6, the production mould of this drill chuck clamping jaw seat, comprise a die 1 and a punch 2 of cooperatively interacting, die 1 has a forming cavity 11, this forming cavity 11 is to be made of cylindrical circular chamber 1 and the chamber 2 13 that is truncated cone, chamber 1 and chamber 2 13 are positioned on the same axis, and an end and chamber 1 that chamber 2 13 internal diameters are bigger join, the inwall of chamber 2 13 is provided with the convex tendons 14 that three equally distributed ends from the truncated cone inwall extend to the other end, and punch 2 is cylindrical and can insert in the dies 1 from chamber 1.

This utility model adopts extrusion technique to produce the drill chuck clamping jaw seat, material 6 is placed in the die 1, because punch 2 is cylindrical and can insert in the die 1 from chamber one, so after punch 2 pushes towards material 6, the material of material 6 centers can be extruded in the forming cavity 11, and these materials are compressed to the drill chuck clamping jaw seat that shape matches with the structure of forming cavity 11 in the die 1.Forming cavity 11 inner cavity chamber 1 and chamber 2 13 are positioned on the same axis, and the structure that the bigger end of chamber 2 13 internal diameters and chamber 1 join is convenient to material 6 extrusion modling smoothly fast, also are convenient to the demoulding after the moulding.The front end of drill chuck clamping jaw seat needs three grooves that match with drill chuck clamping jaw, so the inwall of chamber 2 13 is provided with three equally distributed convex tendons 14 that extend to the other end from an end of truncated cone inwall, after punch 2 was pressed to material, the front end of drill chuck clamping jaw seat will be squeezed out the groove of moulding.

As Fig. 2, as Fig. 4, shown in Figure 5, the less end of chamber 2 13 internal diameters of die 1 can insert the discharge arm 3 that a jaw seat that is used for machining ejects, and this discharge arm 3 has the groove 31 that three outer end shapes with above-mentioned three convex tendons 14 adapt.The less end of chamber 2 13 internal diameters of die 1 is provided with a cushion block 4, and discharge arm 3 can pass cushion block 4 and enter in the chamber 2 13.The outer end of the chamber 1 of die 1 is provided with a columniform material seat 5 that is used to place material in addition.Material seat 5 handled easily personnel or machine attach other automation equipment fill materials 6.Cushion block 4 has cushioned the extruding force in the pressing process and has protected mould; Can play guide effect to discharge arm 3 in addition.

After the drill chuck clamping jaw seat is pressed moulding, it need be taken out, obviously, an end less from chamber 2 13 internal diameters can't take out the drill chuck clamping jaw seat after the moulding, can only take out from chamber 1.Eject from below the time do not need punch 2 to leave die 1 fully, so more convenient; So can be smoothly eject die 1 smoothly by the drill chuck clamping jaw seat of the gap between three convex tendons 14 after with moulding because discharge arm 3 has groove 31 that the outer end shape of three and above-mentioned three convex tendons 14 adapts.

As shown in Figure 4, an end that can insert die 1 in the punch 2 is provided with the roof pressure head 21 of an external diameter less than punch 2 external diameters.The shape of roof pressure head 21 can be the shape that adapts with roof pressure head 21 with material 6 upper press on the one hand; The pressure of punch 2 is concentrated pressed to material 6, avoided being pressed onto die 1 top, improved operating efficiency.

Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Although this paper has used the terms such as jaw seat 7 after die 1, forming cavity 11, chamber 1, chamber 2 13, convex tendon 14, punch 2, roof pressure head 21, discharge arm 3, groove 31, cushion block 4, material seat 5, material 6, the extrusion modling morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.

Claims

1, a kind of production mould of drill chuck clamping jaw seat, comprise the die (1) and the punch (2) that cooperatively interact, it is characterized in that, described die (1) has a forming cavity (11), this forming cavity (11) is to be made of cylindrical circular chamber one (12) and the chamber two (13) that is truncated cone, chamber one (12) and chamber two (13) are positioned on the same axis, and end that chamber two (13) internal diameters are bigger and chamber one (12) join, the inwall of chamber two (13) is provided with the convex tendons (14) that three equally distributed ends from the truncated cone inwall extend to the other end, and above-mentioned punch (2) is cylindrical and can insert in the die (1) from chamber one (12).

2, the production mould of drill chuck clamping jaw seat according to claim 1, it is characterized in that, the less end of chamber two (13) internal diameters of described die (1) can insert the discharge arm (3) that a jaw seat that is used for machining ejects, and this discharge arm (3) has the groove (31) that three outer end shapes with above-mentioned three convex tendons (14) adapt.

3, the production mould of drill chuck clamping jaw seat according to claim 2, it is characterized in that, the less end of chamber two (13) internal diameters of described die (1) is provided with a cushion block (4), and above-mentioned discharge arm (3) can pass cushion block (4) and enter in the chamber two (13).

According to the production mould of claim 1 or 2 or 3 described drill chuck clamping jaw seats, it is characterized in that 4, the outer end of the chamber one (12) of described die (1) is provided with a columniform material seat (5) that is used to place material (6).

5, the production mould of drill chuck clamping jaw seat according to claim 4 is characterized in that, an end that can insert die (1) in the described punch (2) is provided with the roof pressure head (21) of an external diameter less than die (1) internal diameter.