CN202779462U

CN202779462U - Connector processing die

Info

Publication number: CN202779462U
Application number: CN 201220470459
Authority: CN
Inventors: 朱明�; 张煜; 张良会
Original assignee: ZHANGJIAGANG LONGJING AUTO PARTS CO Ltd
Current assignee: ZHANGJIAGANG LONGJING AUTO PARTS CO Ltd
Priority date: 2012-09-17
Filing date: 2012-09-17
Publication date: 2013-03-13
Anticipated expiration: 2022-09-17

Abstract

The utility model discloses a connector processing die. The connector processing die comprises an upper die holder, a lower die holder, a female die plate, a stretching male die and a pressure plate, wherein the female die plate is fixed inside the lower die holder and provided with a cavity in the middle; the stretching male die is fixed to the upper die holder and can extend into the cavity of the female die plate and the pressure plate can be in press fit with the female die plate. The pressure plate is connected with the upper die holder through a movable connection mechanism; a trimming male die with the outer edge of the bottom being a cutting edge is fixed between the upper die holder and the stretching male die; the upper edge of the cavity of the female die plate is provided with a chamfer; an inner stripper and a slope forming insert are movably arranged at the bottom of the cavity of the female die plate; the upper surface of the inner stripper, the upper surface of the slope forming insert and the inner wall of the cavity of the female die plate jointly form a forming die cavity in an enclosing way; when the stretching male die moves downwards into the forming die cavity and finishes stamping to a connector, the cutting edge of the trimming male die is justly tangent to the upper edge of the cavity; and the lower die holder is also provided with an upward movement mechanism for driving the inner stripper to move upwards. The connector processing die has the advantages that the operation procedure is shortened and meanwhile the whole processing accuracy of the connector can be enhanced.

Description

The processing mold of connector

Technical field

The utility model relates to a kind of processing mold of connector.

Background technology

Connector is the industries such as automobile, electric tool a kind of metallic elements commonly used, all be to adopt the punching stretch mould to produce connector at present, because traditional punching stretch mould can only carry out stretch forming to connector, can not cut edge to limit more than the binder around the connector after the stretch forming, so all be at present that the connector after the stretch forming is put into the excision that punch press carries out limit more than the binder again.The shortcoming of above-mentioned process is: people need to carry out four side cut operations with the connector after the stretch forming in punch press just can obtain final products, because four operations of cutting edge to connector in punch press all are independently, so not only be difficult to guarantee the side cut precision of each connector finished product, and increased the spillage of material that causes owing to workman's misoperation, increased the production cost of enterprise.

The utility model content

The purpose of this utility model provides and a kind ofly can increase work efficiency, when having shortened operational sequence, can improve again the processing mold of connector of the whole machining accuracy of connector.

For achieving the above object, the utility model has adopted following technical scheme: the processing mold of described connector, comprise: upper bolster, die shoe, be fixed in the concave template that die shoe top and middle part are provided with chamber, be fixed in upper bolster bottom and can stretch into stretching convex die in the concave template chamber, and can with the holding pad of concave template top surface phase pressing, described holding pad is flexibly connected by moving connecting mechanism and upper bolster, and being fixed with bottom outer edge between upper bolster and stretching convex die is the side cut punch of cutting edge; Upper edge at the chamber of concave template is provided with chamfering, be movably set with Nei Tuo in the bottom of the chamber of concave template and the inclined-plane moulding enters son, the upper surface that takes off in described, inclined-plane moulding enter son upper surface, jointly surround the shaping die cavity with the inwall of chamber, when stretching convex die came downwards to the punching press of finishing in the shaping die cavity connector, the cutting edge of side cut punch is cut relative with the upper edge of chamber just in time; On die shoe, also be provided with and take off the mechanism that moves up of vertically rising in making.

Further, the processing mold of aforesaid connector, wherein: the structure of described moving connecting mechanism is: evenly be provided with at least three second-order trapezoidal holes that connect upper bolster on upper bolster, be fixed with the 2nd T shape guide rod at the top of holding pad, the second-order trapezoidal hole is passed in the 2nd T shape guide rod activity, under free state, the T shape head end of the 2nd T shape guide rod upper end is stuck on the cascaded surface in the second-order trapezoidal hole.

Further, the processing mold of aforesaid connector, wherein: the 2nd T shape guide rod between upper bolster and holding pad is set with Compress Spring, and Compress Spring makes holding pad have all the time the trend that moves downward.

Further, the processing mold of aforesaid connector, wherein: the structure of the described mechanism that moves up is: be fixed with vertical screw mandrel in the die shoe bottom, the outer end of vertical screw mandrel is provided with locking nut, on the vertical screw mandrel between locking nut and the die shoe, be movably set with successively from top to bottom upper plate, elastic force rubber and lower roof plate, the elastic force rubber was being pressed on clamping shape top about described upper plate and lower roof plate were, the top of upper plate is connected with an end of push rod, and the other end activity of push rod is fixed with interior out-of-phase after passing die shoe.

Further, the processing mold of aforesaid connector, wherein: also be provided with the introducing mechanism that stretching convex die can be imported smoothly the concave template chamber between upper bolster and the die shoe, the structure of described introducing mechanism is: be fixed with guide pillar in the upper bolster bottom, be fixed with guide pin bushing at die shoe, guide pillar just in time enters guide pin bushing downwards.

Further, the processing mold of aforesaid connector, wherein: on upper bolster, also be provided with the material removing mechanism that connector and stretching convex die can be separated, the structure of described material removing mechanism is: be provided with the first stairstepping through hole that connects simultaneously the three in the upper bolster that is mutually permanently connected, side cut punch, stretching convex die, be movably set with a T shape bar in the first stairstepping through hole, under free state, the stretching convex die bottom surface is passed in the lower end of the one T shape bar, and the T shape head end of described T shape bar upper end can be stuck on the cascaded surface in the first stairstepping through hole.

By the enforcement of technique scheme, the utlity model has when having shortened operational sequence, can improve again the advantage of the whole machining accuracy of connector.

Description of drawings

Fig. 1 is the structural representation of the processing mold of connector described in the utility model when being in die opening state.

Fig. 2 is the structural representation of the processing mold of connector described in the utility model when being in the mold closing state.

The specific embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

Such as Fig. 1, shown in Figure 2, the processing mold of described connector, comprise: upper bolster 1, die shoe 2, be fixed in the concave template 3 that die shoe 2 tops and middle part are provided with chamber, be fixed in upper bolster 1 bottom and can stretch into stretching convex die 4 in the chamber of concave template 3, and can with the holding pad 5 of the top surface phase pressing of concave template 3, described holding pad 5 is flexibly connected by moving connecting mechanism and upper bolster 1, in the present embodiment, the structure of described moving connecting mechanism is: evenly be provided with at least three second-order trapezoidal holes 21 that connect upper bolster 1 on upper bolster 1, be fixed with the 2nd T shape guide rod 20 at the top of holding pad 5, second-order trapezoidal hole 21 is passed in 20 activities of the 2nd T shape guide rod, under free state, the T shape head end of the 2nd T shape guide rod 20 upper ends is stuck on the cascaded surface in the second-order trapezoidal hole 21, and on the 2nd T shape guide rod 20 between upper bolster 1 and the holding pad 5, also be set with Compress Spring 19, Compress Spring 19 makes holding pad 5 have all the time the trend that moves downward, and holding pad 5 more stably is fixed blank; Being fixed with bottom outer edge between upper bolster 1 and stretching convex die 4 is the side cut punch 6 of cutting edge; Upper edge at the chamber of concave template 3 is provided with chamfering, in the bottom of the chamber of concave template 3 is movably set with, take off 8 and enter son 9 with the inclined-plane moulding, take off upper surface that 8 upper surface, inclined-plane moulding enter son 9 in described, jointly surround the shaping die cavity with the inwall of chamber, when stretching convex die 4 came downwards to the punching press of finishing in the shaping die cavity connector, the cutting edge of side cut punch 6 is cut relative with the upper edge of chamber just in time; On die shoe 2, also be provided with and take off 8 mechanisms that move up of vertically rising in making, in the present embodiment, the structure of the described mechanism that moves up is: be fixed with vertical screw mandrel 10 in die shoe 2 bottoms, the outer end of vertical screw mandrel 10 is provided with locking nut 7, on the vertical screw mandrel 10 between locking nut 7 and the die shoe 2, be movably set with successively from top to bottom upper plate 13, elastic force rubber 12 and lower roof plate 11, elastic force rubber 12 was being pressed on clamping shape top about described upper plate 13 was with lower roof plate 11, the top of upper plate 13 is connected with an end of push rod 14, the other end activity of push rod 14 pass behind the die shoe 2 with in take off 8 and fix; When processing mold described in the utility model is in die opening state, in take off 8 at elastic force rubber 12 upwards under the effect of restoring force, its upper surface is in same plane with the upper surface of concave template 3 all the time, and since in take off 8 and enter son with the inclined-plane moulding and 9 be movably set in the concave template 3, when interior take off 8 with the inclined-plane moulding enter the son 9 in use deform after, can directly change it, and needn't change whole secondary mould, reduce enterprise's production cost; In the present embodiment, between upper bolster 1 and die shoe 2, also be provided with the introducing mechanism that stretching convex die 4 can be imported smoothly the chamber of concave template 3, the structure of described introducing mechanism is: be fixed with guide pillar 15 in upper bolster 1 bottom, be fixed with guide pin bushing 16 at die shoe 2, guide pillar 15 just in time enters guide pin bushing 16 downwards, can make like this stretching convex die 4 and concave template 3 have more accurate matched in clearance; In the present embodiment, also being provided with on upper bolster 1 can be with the connector of completion of processing and the material removing mechanism that stretching convex die 4 is separated, the structure of described material removing mechanism is: be provided with the first stairstepping through hole 17 that connects simultaneously the three in the upper bolster 1 that is mutually permanently connected, side cut punch 6, stretching convex die 4, be movably set with a T shape bar 18 in the first stairstepping through hole 17, under free state, stretching convex die 4 bottom surfaces are passed in the lower end of the one T shape bar 18, and the T shape head end of a T shape bar 18 upper ends can be stuck on the cascaded surface in the first stairstepping through hole 17.In actual applications, by driving air cylinder driven upper bolster 1, and driving synchronously stretching convex die 4 and enter or leave concave template 3.

Operation principle of the present utility model is as follows: blank is placed on the concave template 3, and it is descending then to start driving cylinder drive upper bolster 1, drives synchronously stretching convex die 4, side cut punch 6, holding pad 5 and moves to the chamber direction of concave template 3 together; In the descending process of stretching convex die 4, the lower end of a T shape bar 18 is first against the upper surface of blank, and moves up along the first stairstepping through hole 17, until the bottom surface of its bottom and stretching convex die 4 is positioned at same plane; After holding pad 5 is pushed down blank, upper bolster 1 can drive stretching convex die 4 and continue descending along the 2nd T shape guide rod 20, along with upper bolster 1 gradually near holding pad 5, so that the Compress Spring 19 between upper bolster 1 and holding pad 5 is progressively compressed, 5 pairs of blanks of holding pad further are fixed, simultaneously, stretching convex die 4 can head on blank with interior take off 8 descending, until finish stretch forming to blank, at this moment cut edge punch 6 cutting edge just in time with relative the cutting in upper edge of the chamber of concave template 3, the binder material of shaping connector is cut off; Take off in the 8 descending processes interior, in take off 8 to promote upper plates 13 by push rod 14 descending, elastic force rubber 12 is pushed, make it produce restoring force upwards; Then start driving cylinder, to drive synchronously upper bolster 1 up with stretching convex die 4, in take off 8 and under the upwards restoring force effect of elastic force rubber 12, be the clamping shape with stretching convex die 4 and promote connector and move up, until connector leaves concave template 3, along with upper bolster 1 continues up, the one T shape bar 18 moves downward under action of gravitation, connector is pushed up from stretching convex die 4, after the T shape head end of the 2nd T shape guide rod 20 on the holding pad 5 hangs over cascaded surface in the second-order trapezoidal hole 21, upper bolster 1 Timing Belt dynamic pressure flitch 5 is up, until get back to initial position, pass through aforesaid operations, namely finished the stretch forming to connector, cut edge, the operation of automatic discharging, not only shortened operational sequence, improve operating efficiency, and improved the whole machining accuracy of connector.

Claims

1. the processing mold of connector, comprise: upper bolster, die shoe, be fixed in the concave template that die shoe top and middle part are provided with chamber, be fixed in upper bolster bottom and can stretch into stretching convex die in the concave template chamber, and can with the holding pad of concave template top surface phase pressing, described holding pad is flexibly connected by moving connecting mechanism and upper bolster, it is characterized in that: being fixed with bottom outer edge between upper bolster and stretching convex die is the side cut punch of cutting edge; Upper edge at the chamber of concave template is provided with chamfering, be movably set with Nei Tuo in the bottom of the chamber of concave template and the inclined-plane moulding enters son, the upper surface that takes off in described, inclined-plane moulding enter son upper surface, jointly surround the shaping die cavity with the inwall of chamber, when stretching convex die came downwards to the punching press of finishing in the shaping die cavity connector, the cutting edge of side cut punch is cut relative with the upper edge of chamber just in time; On die shoe, also be provided with and take off the mechanism that moves up of vertically rising in making.

2. the processing mold of connector according to claim 1, it is characterized in that: the structure of described moving connecting mechanism is: evenly be provided with at least three second-order trapezoidal holes that connect upper bolster on upper bolster, be fixed with the 2nd T shape guide rod at the top of holding pad, the second-order trapezoidal hole is passed in the 2nd T shape guide rod activity, under free state, the T shape head end of the 2nd T shape guide rod upper end is stuck on the cascaded surface in the second-order trapezoidal hole.

3. the processing mold of connector according to claim 2, it is characterized in that: the 2nd T shape guide rod between upper bolster and holding pad is set with Compress Spring, and Compress Spring makes holding pad have all the time the trend that moves downward.

4. the processing mold of connector according to claim 1 and 2, it is characterized in that: the structure of the described mechanism that moves up is: be fixed with vertical screw mandrel in the die shoe bottom, the outer end of vertical screw mandrel is provided with locking nut, on the vertical screw mandrel between locking nut and the die shoe, be movably set with successively from top to bottom upper plate, elastic force rubber and lower roof plate, the elastic force rubber was being pressed on clamping shape top about described upper plate and lower roof plate were, the top of upper plate is connected with an end of push rod, and the other end activity of push rod is fixed with interior out-of-phase after passing die shoe.

5. the processing mold of connector according to claim 1 and 2, it is characterized in that: also be provided with the introducing mechanism that stretching convex die can be imported smoothly the concave template chamber between upper bolster and the die shoe, the structure of described introducing mechanism is: be fixed with guide pillar in the upper bolster bottom, be fixed with guide pin bushing at die shoe, guide pillar just in time enters guide pin bushing downwards.

6. the processing mold of connector according to claim 1 and 2, it is characterized in that: on upper bolster, also be provided with the material removing mechanism that connector and stretching convex die can be separated, the structure of described material removing mechanism is: the upper bolster that is being mutually permanently connected, the side cut punch, be provided with the first stairstepping through hole that connects simultaneously the three on the stretching convex die, be movably set with a T shape bar in the first stairstepping through hole, under free state, the stretching convex die bottom surface is passed in the lower end of the one T shape bar, and the T shape head end of described T shape bar upper end can be stuck on the cascaded surface in the first stairstepping through hole.